diff options
Diffstat (limited to 'arch')
532 files changed, 8553 insertions, 7900 deletions
diff --git a/arch/alpha/include/asm/posix_types.h b/arch/alpha/include/asm/posix_types.h index 24779fc9599..5a8a48320ef 100644 --- a/arch/alpha/include/asm/posix_types.h +++ b/arch/alpha/include/asm/posix_types.h @@ -10,9 +10,6 @@ typedef unsigned int __kernel_ino_t; #define __kernel_ino_t __kernel_ino_t -typedef unsigned int __kernel_nlink_t; -#define __kernel_nlink_t __kernel_nlink_t - typedef unsigned long __kernel_sigset_t; /* at least 32 bits */ #include <asm-generic/posix_types.h> diff --git a/arch/alpha/kernel/signal.c b/arch/alpha/kernel/signal.c index 10ab2d74ecb..a8c97d42ec8 100644 --- a/arch/alpha/kernel/signal.c +++ b/arch/alpha/kernel/signal.c @@ -226,7 +226,6 @@ do_sigreturn(struct sigcontext __user *sc, struct pt_regs *regs, if (__get_user(set.sig[0], &sc->sc_mask)) goto give_sigsegv; - sigdelsetmask(&set, ~_BLOCKABLE); set_current_blocked(&set); if (restore_sigcontext(sc, regs, sw)) @@ -261,7 +260,6 @@ do_rt_sigreturn(struct rt_sigframe __user *frame, struct pt_regs *regs, if (__copy_from_user(&set, &frame->uc.uc_sigmask, sizeof(set))) goto give_sigsegv; - sigdelsetmask(&set, ~_BLOCKABLE); set_current_blocked(&set); if (restore_sigcontext(&frame->uc.uc_mcontext, regs, sw)) @@ -468,12 +466,9 @@ static inline void handle_signal(int sig, struct k_sigaction *ka, siginfo_t *info, struct pt_regs * regs, struct switch_stack *sw) { - sigset_t *oldset = ¤t->blocked; + sigset_t *oldset = sigmask_to_save(); int ret; - if (test_thread_flag(TIF_RESTORE_SIGMASK)) - oldset = ¤t->saved_sigmask; - if (ka->sa.sa_flags & SA_SIGINFO) ret = setup_rt_frame(sig, ka, info, oldset, regs, sw); else @@ -483,12 +478,7 @@ handle_signal(int sig, struct k_sigaction *ka, siginfo_t *info, force_sigsegv(sig, current); return; } - block_sigmask(ka, sig); - /* A signal was successfully delivered, and the - saved sigmask was stored on the signal frame, - and will be restored by sigreturn. So we can - simply clear the restore sigmask flag. */ - clear_thread_flag(TIF_RESTORE_SIGMASK); + signal_delivered(sig, info, ka, regs, 0); } static inline void @@ -572,9 +562,7 @@ do_signal(struct pt_regs * regs, struct switch_stack * sw, } /* If there's no signal to deliver, we just restore the saved mask. */ - if (test_and_clear_thread_flag(TIF_RESTORE_SIGMASK)) - set_current_blocked(¤t->saved_sigmask); - + restore_saved_sigmask(); if (single_stepping) ptrace_set_bpt(current); /* re-set breakpoint */ } @@ -590,7 +578,5 @@ do_notify_resume(struct pt_regs *regs, struct switch_stack *sw, if (thread_info_flags & _TIF_NOTIFY_RESUME) { clear_thread_flag(TIF_NOTIFY_RESUME); tracehook_notify_resume(regs); - if (current->replacement_session_keyring) - key_replace_session_keyring(); } } diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 5e7601301b4..84449dd8f03 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -7,7 +7,6 @@ config ARM select HAVE_IDE if PCI || ISA || PCMCIA select HAVE_DMA_ATTRS select HAVE_DMA_CONTIGUOUS if (CPU_V6 || CPU_V6K || CPU_V7) - select CMA if (CPU_V6 || CPU_V6K || CPU_V7) select HAVE_MEMBLOCK select RTC_LIB select SYS_SUPPORTS_APM_EMULATION @@ -525,7 +524,7 @@ config ARCH_IXP4XX select ARCH_HAS_DMA_SET_COHERENT_MASK select CLKSRC_MMIO select CPU_XSCALE - select GENERIC_GPIO + select ARCH_REQUIRE_GPIOLIB select GENERIC_CLOCKEVENTS select MIGHT_HAVE_PCI select NEED_MACH_IO_H diff --git a/arch/arm/boot/dts/db8500.dtsi b/arch/arm/boot/dts/db8500.dtsi index 881bc398784..4ad5160018c 100644 --- a/arch/arm/boot/dts/db8500.dtsi +++ b/arch/arm/boot/dts/db8500.dtsi @@ -58,6 +58,8 @@ "st,nomadik-gpio"; reg = <0x8012e000 0x80>; interrupts = <0 119 0x4>; + interrupt-controller; + #interrupt-cells = <2>; supports-sleepmode; gpio-controller; #gpio-cells = <2>; @@ -69,6 +71,8 @@ "st,nomadik-gpio"; reg = <0x8012e080 0x80>; interrupts = <0 120 0x4>; + interrupt-controller; + #interrupt-cells = <2>; supports-sleepmode; gpio-controller; #gpio-cells = <2>; @@ -80,6 +84,8 @@ "st,nomadik-gpio"; reg = <0x8000e000 0x80>; interrupts = <0 121 0x4>; + interrupt-controller; + #interrupt-cells = <2>; supports-sleepmode; gpio-controller; #gpio-cells = <2>; @@ -91,6 +97,8 @@ "st,nomadik-gpio"; reg = <0x8000e080 0x80>; interrupts = <0 122 0x4>; + interrupt-controller; + #interrupt-cells = <2>; supports-sleepmode; gpio-controller; #gpio-cells = <2>; @@ -102,6 +110,8 @@ "st,nomadik-gpio"; reg = <0x8000e100 0x80>; interrupts = <0 123 0x4>; + interrupt-controller; + #interrupt-cells = <2>; supports-sleepmode; gpio-controller; #gpio-cells = <2>; @@ -113,6 +123,8 @@ "st,nomadik-gpio"; reg = <0x8000e180 0x80>; interrupts = <0 124 0x4>; + interrupt-controller; + #interrupt-cells = <2>; supports-sleepmode; gpio-controller; #gpio-cells = <2>; @@ -124,6 +136,8 @@ "st,nomadik-gpio"; reg = <0x8011e000 0x80>; interrupts = <0 125 0x4>; + interrupt-controller; + #interrupt-cells = <2>; supports-sleepmode; gpio-controller; #gpio-cells = <2>; @@ -135,6 +149,8 @@ "st,nomadik-gpio"; reg = <0x8011e080 0x80>; interrupts = <0 126 0x4>; + interrupt-controller; + #interrupt-cells = <2>; supports-sleepmode; gpio-controller; #gpio-cells = <2>; @@ -146,12 +162,18 @@ "st,nomadik-gpio"; reg = <0xa03fe000 0x80>; interrupts = <0 127 0x4>; + interrupt-controller; + #interrupt-cells = <2>; supports-sleepmode; gpio-controller; #gpio-cells = <2>; gpio-bank = <8>; }; + pinctrl { + compatible = "stericsson,nmk_pinctrl"; + }; + usb@a03e0000 { compatible = "stericsson,db8500-musb", "mentor,musb"; @@ -169,20 +191,195 @@ prcmu@80157000 { compatible = "stericsson,db8500-prcmu"; reg = <0x80157000 0x1000>; - interrupts = <46 47>; + interrupts = <0 47 0x4>; #address-cells = <1>; #size-cells = <1>; ranges; - prcmu-timer-4@80157450 { + prcmu-timer-4@80157450 { compatible = "stericsson,db8500-prcmu-timer-4"; reg = <0x80157450 0xC>; }; + db8500-prcmu-regulators { + compatible = "stericsson,db8500-prcmu-regulator"; + + // DB8500_REGULATOR_VAPE + db8500_vape_reg: db8500_vape { + regulator-name = "db8500-vape"; + regulator-always-on; + }; + + // DB8500_REGULATOR_VARM + db8500_varm_reg: db8500_varm { + regulator-name = "db8500-varm"; + }; + + // DB8500_REGULATOR_VMODEM + db8500_vmodem_reg: db8500_vmodem { + regulator-name = "db8500-vmodem"; + }; + + // DB8500_REGULATOR_VPLL + db8500_vpll_reg: db8500_vpll { + regulator-name = "db8500-vpll"; + }; + + // DB8500_REGULATOR_VSMPS1 + db8500_vsmps1_reg: db8500_vsmps1 { + regulator-name = "db8500-vsmps1"; + }; + + // DB8500_REGULATOR_VSMPS2 + db8500_vsmps2_reg: db8500_vsmps2 { + regulator-name = "db8500-vsmps2"; + }; + + // DB8500_REGULATOR_VSMPS3 + db8500_vsmps3_reg: db8500_vsmps3 { + regulator-name = "db8500-vsmps3"; + }; + + // DB8500_REGULATOR_VRF1 + db8500_vrf1_reg: db8500_vrf1 { + regulator-name = "db8500-vrf1"; + }; + + // DB8500_REGULATOR_SWITCH_SVAMMDSP + db8500_sva_mmdsp_reg: db8500_sva_mmdsp { + regulator-name = "db8500-sva-mmdsp"; + }; + + // DB8500_REGULATOR_SWITCH_SVAMMDSPRET + db8500_sva_mmdsp_ret_reg: db8500_sva_mmdsp_ret { + regulator-name = "db8500-sva-mmdsp-ret"; + }; + + // DB8500_REGULATOR_SWITCH_SVAPIPE + db8500_sva_pipe_reg: db8500_sva_pipe { + regulator-name = "db8500_sva_pipe"; + }; + + // DB8500_REGULATOR_SWITCH_SIAMMDSP + db8500_sia_mmdsp_reg: db8500_sia_mmdsp { + regulator-name = "db8500_sia_mmdsp"; + }; + + // DB8500_REGULATOR_SWITCH_SIAMMDSPRET + db8500_sia_mmdsp_ret_reg: db8500_sia_mmdsp_ret { + regulator-name = "db8500-sia-mmdsp-ret"; + }; + + // DB8500_REGULATOR_SWITCH_SIAPIPE + db8500_sia_pipe_reg: db8500_sia_pipe { + regulator-name = "db8500-sia-pipe"; + }; + + // DB8500_REGULATOR_SWITCH_SGA + db8500_sga_reg: db8500_sga { + regulator-name = "db8500-sga"; + vin-supply = <&db8500_vape_reg>; + }; + + // DB8500_REGULATOR_SWITCH_B2R2_MCDE + db8500_b2r2_mcde_reg: db8500_b2r2_mcde { + regulator-name = "db8500-b2r2-mcde"; + vin-supply = <&db8500_vape_reg>; + }; + + // DB8500_REGULATOR_SWITCH_ESRAM12 + db8500_esram12_reg: db8500_esram12 { + regulator-name = "db8500-esram12"; + }; + + // DB8500_REGULATOR_SWITCH_ESRAM12RET + db8500_esram12_ret_reg: db8500_esram12_ret { + regulator-name = "db8500-esram12-ret"; + }; + + // DB8500_REGULATOR_SWITCH_ESRAM34 + db8500_esram34_reg: db8500_esram34 { + regulator-name = "db8500-esram34"; + }; + + // DB8500_REGULATOR_SWITCH_ESRAM34RET + db8500_esram34_ret_reg: db8500_esram34_ret { + regulator-name = "db8500-esram34-ret"; + }; + }; + ab8500@5 { compatible = "stericsson,ab8500"; reg = <5>; /* mailbox 5 is i2c */ interrupts = <0 40 0x4>; + + ab8500-regulators { + compatible = "stericsson,ab8500-regulator"; + + // supplies to the display/camera + ab8500_ldo_aux1_reg: ab8500_ldo_aux1 { + regulator-name = "V-DISPLAY"; + regulator-min-microvolt = <2500000>; + regulator-max-microvolt = <2900000>; + regulator-boot-on; + /* BUG: If turned off MMC will be affected. */ + regulator-always-on; + }; + + // supplies to the on-board eMMC + ab8500_ldo_aux2_reg: ab8500_ldo_aux2 { + regulator-name = "V-eMMC1"; + regulator-min-microvolt = <1100000>; + regulator-max-microvolt = <3300000>; + }; + + // supply for VAUX3; SDcard slots + ab8500_ldo_aux3_reg: ab8500_ldo_aux3 { + regulator-name = "V-MMC-SD"; + regulator-min-microvolt = <1100000>; + regulator-max-microvolt = <3300000>; + }; + + // supply for v-intcore12; VINTCORE12 LDO + ab8500_ldo_initcore_reg: ab8500_ldo_initcore { + regulator-name = "V-INTCORE"; + }; + + // supply for tvout; gpadc; TVOUT LDO + ab8500_ldo_tvout_reg: ab8500_ldo_tvout { + regulator-name = "V-TVOUT"; + }; + + // supply for ab8500-usb; USB LDO + ab8500_ldo_usb_reg: ab8500_ldo_usb { + regulator-name = "dummy"; + }; + + // supply for ab8500-vaudio; VAUDIO LDO + ab8500_ldo_audio_reg: ab8500_ldo_audio { + regulator-name = "V-AUD"; + }; + + // supply for v-anamic1 VAMic1-LDO + ab8500_ldo_anamic1_reg: ab8500_ldo_anamic1 { + regulator-name = "V-AMIC1"; + }; + + // supply for v-amic2; VAMIC2 LDO; reuse constants for AMIC1 + ab8500_ldo_amamic2_reg: ab8500_ldo_amamic2 { + regulator-name = "V-AMIC2"; + }; + + // supply for v-dmic; VDMIC LDO + ab8500_ldo_dmic_reg: ab8500_ldo_dmic { + regulator-name = "V-DMIC"; + }; + + // supply for U8500 CSI/DSI; VANA LDO + ab8500_ldo_ana_reg: ab8500_ldo_ana { + regulator-name = "V-CSI/DSI"; + }; + }; }; }; @@ -235,7 +432,8 @@ status = "disabled"; // Add one of these for each child device - cs-gpios = <&gpio0 31 &gpio4 14 &gpio4 16 &gpio6 22 &gpio7 0>; + cs-gpios = <&gpio0 31 0x4 &gpio4 14 0x4 &gpio4 16 0x4 + &gpio6 22 0x4 &gpio7 0 0x4>; }; diff --git a/arch/arm/boot/dts/exynos5250.dtsi b/arch/arm/boot/dts/exynos5250.dtsi index 5ca0cdb7641..4272b294922 100644 --- a/arch/arm/boot/dts/exynos5250.dtsi +++ b/arch/arm/boot/dts/exynos5250.dtsi @@ -30,6 +30,22 @@ reg = <0x10481000 0x1000>, <0x10482000 0x2000>; }; + combiner:interrupt-controller@10440000 { + compatible = "samsung,exynos4210-combiner"; + #interrupt-cells = <2>; + interrupt-controller; + samsung,combiner-nr = <32>; + reg = <0x10440000 0x1000>; + interrupts = <0 0 0>, <0 1 0>, <0 2 0>, <0 3 0>, + <0 4 0>, <0 5 0>, <0 6 0>, <0 7 0>, + <0 8 0>, <0 9 0>, <0 10 0>, <0 11 0>, + <0 12 0>, <0 13 0>, <0 14 0>, <0 15 0>, + <0 16 0>, <0 17 0>, <0 18 0>, <0 19 0>, + <0 20 0>, <0 21 0>, <0 22 0>, <0 23 0>, + <0 24 0>, <0 25 0>, <0 26 0>, <0 27 0>, + <0 28 0>, <0 29 0>, <0 30 0>, <0 31 0>; + }; + watchdog { compatible = "samsung,s3c2410-wdt"; reg = <0x101D0000 0x100>; diff --git a/arch/arm/boot/dts/imx27.dtsi b/arch/arm/boot/dts/imx27.dtsi index 2b1a166d41f..386c769c38d 100644 --- a/arch/arm/boot/dts/imx27.dtsi +++ b/arch/arm/boot/dts/imx27.dtsi @@ -213,5 +213,14 @@ status = "disabled"; }; }; + nand@d8000000 { + #address-cells = <1>; + #size-cells = <1>; + + compatible = "fsl,imx27-nand"; + reg = <0xd8000000 0x1000>; + interrupts = <29>; + status = "disabled"; + }; }; }; diff --git a/arch/arm/boot/dts/lpc32xx.dtsi b/arch/arm/boot/dts/lpc32xx.dtsi index 2d696866f71..3f5dad801a9 100644 --- a/arch/arm/boot/dts/lpc32xx.dtsi +++ b/arch/arm/boot/dts/lpc32xx.dtsi @@ -215,45 +215,8 @@ gpio: gpio@40028000 { compatible = "nxp,lpc3220-gpio"; reg = <0x40028000 0x1000>; - /* create a private address space for enumeration */ - #address-cells = <1>; - #size-cells = <0>; - - gpio_p0: gpio-bank@0 { - gpio-controller; - #gpio-cells = <2>; - reg = <0>; - }; - - gpio_p1: gpio-bank@1 { - gpio-controller; - #gpio-cells = <2>; - reg = <1>; - }; - - gpio_p2: gpio-bank@2 { - gpio-controller; - #gpio-cells = <2>; - reg = <2>; - }; - - gpio_p3: gpio-bank@3 { - gpio-controller; - #gpio-cells = <2>; - reg = <3>; - }; - - gpi_p3: gpio-bank@4 { - gpio-controller; - #gpio-cells = <2>; - reg = <4>; - }; - - gpo_p3: gpio-bank@5 { - gpio-controller; - #gpio-cells = <2>; - reg = <5>; - }; + gpio-controller; + #gpio-cells = <3>; /* bank, pin, flags */ }; watchdog@4003C000 { diff --git a/arch/arm/boot/dts/phy3250.dts b/arch/arm/boot/dts/phy3250.dts index 0167e86314c..c4ff6d1a018 100644 --- a/arch/arm/boot/dts/phy3250.dts +++ b/arch/arm/boot/dts/phy3250.dts @@ -131,13 +131,13 @@ compatible = "gpio-leds"; led0 { - gpios = <&gpo_p3 1 1>; /* GPO_P3 1, GPIO 80, active low */ + gpios = <&gpio 5 1 1>; /* GPO_P3 1, GPIO 80, active low */ linux,default-trigger = "heartbeat"; default-state = "off"; }; led1 { - gpios = <&gpo_p3 14 1>; /* GPO_P3 14, GPIO 93, active low */ + gpios = <&gpio 5 14 1>; /* GPO_P3 14, GPIO 93, active low */ linux,default-trigger = "timer"; default-state = "off"; }; diff --git a/arch/arm/boot/dts/snowball.dts b/arch/arm/boot/dts/snowball.dts index d99dc04f0d9..ec3c3397511 100644 --- a/arch/arm/boot/dts/snowball.dts +++ b/arch/arm/boot/dts/snowball.dts @@ -20,6 +20,16 @@ reg = <0x00000000 0x20000000>; }; + en_3v3_reg: en_3v3 { + compatible = "regulator-fixed"; + regulator-name = "en-3v3-fixed-supply"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + gpios = <&gpio0 26 0x4>; // 26 + startup-delay-us = <5000>; + enable-active-high; + }; + gpio_keys { compatible = "gpio-keys"; #address-cells = <1>; @@ -30,35 +40,35 @@ wakeup = <1>; linux,code = <2>; label = "userpb"; - gpios = <&gpio1 0 0>; + gpios = <&gpio1 0 0x4>; }; button@2 { debounce_interval = <50>; wakeup = <1>; linux,code = <3>; label = "extkb1"; - gpios = <&gpio4 23 0>; + gpios = <&gpio4 23 0x4>; }; button@3 { debounce_interval = <50>; wakeup = <1>; linux,code = <4>; label = "extkb2"; - gpios = <&gpio4 24 0>; + gpios = <&gpio4 24 0x4>; }; button@4 { debounce_interval = <50>; wakeup = <1>; linux,code = <5>; label = "extkb3"; - gpios = <&gpio5 1 0>; + gpios = <&gpio5 1 0x4>; }; button@5 { debounce_interval = <50>; wakeup = <1>; linux,code = <6>; label = "extkb4"; - gpios = <&gpio5 2 0>; + gpios = <&gpio5 2 0x4>; }; }; @@ -66,12 +76,11 @@ compatible = "gpio-leds"; used-led { label = "user_led"; - gpios = <&gpio4 14>; + gpios = <&gpio4 14 0x4>; }; }; soc-u9500 { - external-bus@50000000 { status = "okay"; @@ -80,6 +89,9 @@ reg = <0 0x10000>; interrupts = <12 0x1>; interrupt-parent = <&gpio4>; + vdd33a-supply = <&en_3v3_reg>; + vddvario-supply = <&db8500_vape_reg>; + reg-shift = <1>; reg-io-width = <2>; @@ -91,11 +103,13 @@ sdi@80126000 { status = "enabled"; - cd-gpios = <&gpio6 26>; + vmmc-supply = <&ab8500_ldo_aux3_reg>; + cd-gpios = <&gpio6 26 0x4>; // 218 }; sdi@80114000 { status = "enabled"; + vmmc-supply = <&ab8500_ldo_aux2_reg>; }; uart@80120000 { @@ -114,7 +128,7 @@ tc3589x@42 { //compatible = "tc3589x"; reg = <0x42>; - interrupts = <25>; + gpios = <&gpio6 25 0x4>; interrupt-parent = <&gpio6>; }; tps61052@33 { diff --git a/arch/arm/boot/dts/vexpress-v2p-ca15-tc1.dts b/arch/arm/boot/dts/vexpress-v2p-ca15-tc1.dts index 941b161ab78..7e1091d91af 100644 --- a/arch/arm/boot/dts/vexpress-v2p-ca15-tc1.dts +++ b/arch/arm/boot/dts/vexpress-v2p-ca15-tc1.dts @@ -73,7 +73,10 @@ #address-cells = <0>; interrupt-controller; reg = <0x2c001000 0x1000>, - <0x2c002000 0x100>; + <0x2c002000 0x1000>, + <0x2c004000 0x2000>, + <0x2c006000 0x2000>; + interrupts = <1 9 0xf04>; }; memory-controller@7ffd0000 { @@ -93,6 +96,14 @@ <0 91 4>; }; + timer { + compatible = "arm,armv7-timer"; + interrupts = <1 13 0xf08>, + <1 14 0xf08>, + <1 11 0xf08>, + <1 10 0xf08>; + }; + pmu { compatible = "arm,cortex-a15-pmu", "arm,cortex-a9-pmu"; interrupts = <0 68 4>, diff --git a/arch/arm/boot/dts/vexpress-v2p-ca5s.dts b/arch/arm/boot/dts/vexpress-v2p-ca5s.dts index 6905e66d474..18917a0f860 100644 --- a/arch/arm/boot/dts/vexpress-v2p-ca5s.dts +++ b/arch/arm/boot/dts/vexpress-v2p-ca5s.dts @@ -77,13 +77,18 @@ timer@2c000600 { compatible = "arm,cortex-a5-twd-timer"; - reg = <0x2c000600 0x38>; - interrupts = <1 2 0x304>, - <1 3 0x304>; + reg = <0x2c000600 0x20>; + interrupts = <1 13 0x304>; + }; + + watchdog@2c000620 { + compatible = "arm,cortex-a5-twd-wdt"; + reg = <0x2c000620 0x20>; + interrupts = <1 14 0x304>; }; gic: interrupt-controller@2c001000 { - compatible = "arm,corex-a5-gic", "arm,cortex-a9-gic"; + compatible = "arm,cortex-a5-gic", "arm,cortex-a9-gic"; #interrupt-cells = <3>; #address-cells = <0>; interrupt-controller; diff --git a/arch/arm/boot/dts/vexpress-v2p-ca9.dts b/arch/arm/boot/dts/vexpress-v2p-ca9.dts index da778693be5..3f0c736d31d 100644 --- a/arch/arm/boot/dts/vexpress-v2p-ca9.dts +++ b/arch/arm/boot/dts/vexpress-v2p-ca9.dts @@ -105,8 +105,13 @@ timer@1e000600 { compatible = "arm,cortex-a9-twd-timer"; reg = <0x1e000600 0x20>; - interrupts = <1 2 0xf04>, - <1 3 0xf04>; + interrupts = <1 13 0xf04>; + }; + + watchdog@1e000620 { + compatible = "arm,cortex-a9-twd-wdt"; + reg = <0x1e000620 0x20>; + interrupts = <1 14 0xf04>; }; gic: interrupt-controller@1e001000 { diff --git a/arch/arm/configs/imx_v4_v5_defconfig b/arch/arm/configs/imx_v4_v5_defconfig index ebda45bd576..e05a2f1665a 100644 --- a/arch/arm/configs/imx_v4_v5_defconfig +++ b/arch/arm/configs/imx_v4_v5_defconfig @@ -173,7 +173,7 @@ CONFIG_LEDS_TRIGGER_DEFAULT_ON=y CONFIG_RTC_CLASS=y CONFIG_RTC_DRV_PCF8563=y CONFIG_RTC_DRV_IMXDI=y -CONFIG_RTC_MXC=y +CONFIG_RTC_DRV_MXC=y CONFIG_DMADEVICES=y CONFIG_IMX_SDMA=y CONFIG_IMX_DMA=y diff --git a/arch/arm/configs/imx_v6_v7_defconfig b/arch/arm/configs/imx_v6_v7_defconfig index 12617f7296e..b1d3675df72 100644 --- a/arch/arm/configs/imx_v6_v7_defconfig +++ b/arch/arm/configs/imx_v6_v7_defconfig @@ -178,7 +178,7 @@ CONFIG_NEW_LEDS=y CONFIG_LEDS_CLASS=y CONFIG_RTC_CLASS=y CONFIG_RTC_INTF_DEV_UIE_EMUL=y -CONFIG_RTC_MXC=y +CONFIG_RTC_DRV_MXC=y CONFIG_DMADEVICES=y CONFIG_IMX_SDMA=y CONFIG_EXT2_FS=y diff --git a/arch/arm/configs/u8500_defconfig b/arch/arm/configs/u8500_defconfig index 7e84f453e8a..2d4f661d1cf 100644 --- a/arch/arm/configs/u8500_defconfig +++ b/arch/arm/configs/u8500_defconfig @@ -75,6 +75,7 @@ CONFIG_AB5500_CORE=y CONFIG_AB8500_CORE=y CONFIG_REGULATOR=y CONFIG_REGULATOR_AB8500=y +CONFIG_REGULATOR_FIXED_VOLTAGE=y # CONFIG_HID_SUPPORT is not set CONFIG_USB_GADGET=y CONFIG_AB8500_USB=y diff --git a/arch/arm/include/asm/io.h b/arch/arm/include/asm/io.h index 9af5563dd3e..815c669fec0 100644 --- a/arch/arm/include/asm/io.h +++ b/arch/arm/include/asm/io.h @@ -47,9 +47,9 @@ extern void __raw_readsb(const void __iomem *addr, void *data, int bytelen); extern void __raw_readsw(const void __iomem *addr, void *data, int wordlen); extern void __raw_readsl(const void __iomem *addr, void *data, int longlen); -#define __raw_writeb(v,a) (__chk_io_ptr(a), *(volatile unsigned char __force *)(a) = (v)) -#define __raw_writew(v,a) (__chk_io_ptr(a), *(volatile unsigned short __force *)(a) = (v)) -#define __raw_writel(v,a) (__chk_io_ptr(a), *(volatile unsigned int __force *)(a) = (v)) +#define __raw_writeb(v,a) ((void)(__chk_io_ptr(a), *(volatile unsigned char __force *)(a) = (v))) +#define __raw_writew(v,a) ((void)(__chk_io_ptr(a), *(volatile unsigned short __force *)(a) = (v))) +#define __raw_writel(v,a) ((void)(__chk_io_ptr(a), *(volatile unsigned int __force *)(a) = (v))) #define __raw_readb(a) (__chk_io_ptr(a), *(volatile unsigned char __force *)(a)) #define __raw_readw(a) (__chk_io_ptr(a), *(volatile unsigned short __force *)(a)) @@ -229,11 +229,9 @@ extern void _memset_io(volatile void __iomem *, int, size_t); #define readl_relaxed(c) ({ u32 __r = le32_to_cpu((__force __le32) \ __raw_readl(c)); __r; }) -#define writeb_relaxed(v,c) ((void)__raw_writeb(v,c)) -#define writew_relaxed(v,c) ((void)__raw_writew((__force u16) \ - cpu_to_le16(v),c)) -#define writel_relaxed(v,c) ((void)__raw_writel((__force u32) \ - cpu_to_le32(v),c)) +#define writeb_relaxed(v,c) __raw_writeb(v,c) +#define writew_relaxed(v,c) __raw_writew((__force u16) cpu_to_le16(v),c) +#define writel_relaxed(v,c) __raw_writel((__force u32) cpu_to_le32(v),c) #define readb(c) ({ u8 __v = readb_relaxed(c); __iormb(); __v; }) #define readw(c) ({ u16 __v = readw_relaxed(c); __iormb(); __v; }) @@ -281,12 +279,12 @@ extern void _memset_io(volatile void __iomem *, int, size_t); #define ioread16be(p) ({ unsigned int __v = be16_to_cpu((__force __be16)__raw_readw(p)); __iormb(); __v; }) #define ioread32be(p) ({ unsigned int __v = be32_to_cpu((__force __be32)__raw_readl(p)); __iormb(); __v; }) -#define iowrite8(v,p) ({ __iowmb(); (void)__raw_writeb(v, p); }) -#define iowrite16(v,p) ({ __iowmb(); (void)__raw_writew((__force __u16)cpu_to_le16(v), p); }) -#define iowrite32(v,p) ({ __iowmb(); (void)__raw_writel((__force __u32)cpu_to_le32(v), p); }) +#define iowrite8(v,p) ({ __iowmb(); __raw_writeb(v, p); }) +#define iowrite16(v,p) ({ __iowmb(); __raw_writew((__force __u16)cpu_to_le16(v), p); }) +#define iowrite32(v,p) ({ __iowmb(); __raw_writel((__force __u32)cpu_to_le32(v), p); }) -#define iowrite16be(v,p) ({ __iowmb(); (void)__raw_writew((__force __u16)cpu_to_be16(v), p); }) -#define iowrite32be(v,p) ({ __iowmb(); (void)__raw_writel((__force __u32)cpu_to_be32(v), p); }) +#define iowrite16be(v,p) ({ __iowmb(); __raw_writew((__force __u16)cpu_to_be16(v), p); }) +#define iowrite32be(v,p) ({ __iowmb(); __raw_writel((__force __u32)cpu_to_be32(v), p); }) #define ioread8_rep(p,d,c) __raw_readsb(p,d,c) #define ioread16_rep(p,d,c) __raw_readsw(p,d,c) diff --git a/arch/arm/include/asm/posix_types.h b/arch/arm/include/asm/posix_types.h index efdf99045d8..d2de9cbbcd9 100644 --- a/arch/arm/include/asm/posix_types.h +++ b/arch/arm/include/asm/posix_types.h @@ -22,9 +22,6 @@ typedef unsigned short __kernel_mode_t; #define __kernel_mode_t __kernel_mode_t -typedef unsigned short __kernel_nlink_t; -#define __kernel_nlink_t __kernel_nlink_t - typedef unsigned short __kernel_ipc_pid_t; #define __kernel_ipc_pid_t __kernel_ipc_pid_t diff --git a/arch/arm/include/asm/thread_info.h b/arch/arm/include/asm/thread_info.h index 68388eb4946..b79f8e97f77 100644 --- a/arch/arm/include/asm/thread_info.h +++ b/arch/arm/include/asm/thread_info.h @@ -148,6 +148,7 @@ extern int vfp_restore_user_hwstate(struct user_vfp __user *, #define TIF_NOTIFY_RESUME 2 /* callback before returning to user */ #define TIF_SYSCALL_TRACE 8 #define TIF_SYSCALL_AUDIT 9 +#define TIF_SYSCALL_RESTARTSYS 10 #define TIF_POLLING_NRFLAG 16 #define TIF_USING_IWMMXT 17 #define TIF_MEMDIE 18 /* is terminating due to OOM killer */ @@ -162,16 +163,17 @@ extern int vfp_restore_user_hwstate(struct user_vfp __user *, #define _TIF_SYSCALL_AUDIT (1 << TIF_SYSCALL_AUDIT) #define _TIF_POLLING_NRFLAG (1 << TIF_POLLING_NRFLAG) #define _TIF_USING_IWMMXT (1 << TIF_USING_IWMMXT) -#define _TIF_RESTORE_SIGMASK (1 << TIF_RESTORE_SIGMASK) #define _TIF_SECCOMP (1 << TIF_SECCOMP) +#define _TIF_SYSCALL_RESTARTSYS (1 << TIF_SYSCALL_RESTARTSYS) /* Checks for any syscall work in entry-common.S */ -#define _TIF_SYSCALL_WORK (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT) +#define _TIF_SYSCALL_WORK (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT | \ + _TIF_SYSCALL_RESTARTSYS) /* * Change these and you break ASM code in entry-common.S */ -#define _TIF_WORK_MASK 0x000000ff +#define _TIF_WORK_MASK (_TIF_NEED_RESCHED | _TIF_SIGPENDING | _TIF_NOTIFY_RESUME) #endif /* __KERNEL__ */ #endif /* __ASM_ARM_THREAD_INFO_H */ diff --git a/arch/arm/kernel/entry-common.S b/arch/arm/kernel/entry-common.S index 7bd2d3cb895..4afed88d250 100644 --- a/arch/arm/kernel/entry-common.S +++ b/arch/arm/kernel/entry-common.S @@ -53,9 +53,13 @@ fast_work_pending: work_pending: tst r1, #_TIF_NEED_RESCHED bne work_resched - tst r1, #_TIF_SIGPENDING|_TIF_NOTIFY_RESUME - beq no_work_pending + /* + * TIF_SIGPENDING or TIF_NOTIFY_RESUME must've been set if we got here + */ + ldr r2, [sp, #S_PSR] mov r0, sp @ 'regs' + tst r2, #15 @ are we returning to user mode? + bne no_work_pending @ no? just leave, then... mov r2, why @ 'syscall' tst r1, #_TIF_SIGPENDING @ delivering a signal? movne why, #0 @ prevent further restarts diff --git a/arch/arm/kernel/ptrace.c b/arch/arm/kernel/ptrace.c index 14e38261cd3..5700a7ae7f0 100644 --- a/arch/arm/kernel/ptrace.c +++ b/arch/arm/kernel/ptrace.c @@ -25,6 +25,7 @@ #include <linux/regset.h> #include <linux/audit.h> #include <linux/tracehook.h> +#include <linux/unistd.h> #include <asm/pgtable.h> #include <asm/traps.h> @@ -917,6 +918,8 @@ asmlinkage int syscall_trace(int why, struct pt_regs *regs, int scno) audit_syscall_entry(AUDIT_ARCH_ARM, scno, regs->ARM_r0, regs->ARM_r1, regs->ARM_r2, regs->ARM_r3); + if (why == 0 && test_and_clear_thread_flag(TIF_SYSCALL_RESTARTSYS)) + scno = __NR_restart_syscall - __NR_SYSCALL_BASE; if (!test_thread_flag(TIF_SYSCALL_TRACE)) return scno; diff --git a/arch/arm/kernel/signal.c b/arch/arm/kernel/signal.c index 4e5fdd9bd9e..fd2392a17ac 100644 --- a/arch/arm/kernel/signal.c +++ b/arch/arm/kernel/signal.c @@ -22,14 +22,11 @@ #include "signal.h" -#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) - /* * For ARM syscalls, we encode the syscall number into the instruction. */ #define SWI_SYS_SIGRETURN (0xef000000|(__NR_sigreturn)|(__NR_OABI_SYSCALL_BASE)) #define SWI_SYS_RT_SIGRETURN (0xef000000|(__NR_rt_sigreturn)|(__NR_OABI_SYSCALL_BASE)) -#define SWI_SYS_RESTART (0xef000000|__NR_restart_syscall|__NR_OABI_SYSCALL_BASE) /* * With EABI, the syscall number has to be loaded into r7. @@ -50,18 +47,6 @@ const unsigned long sigreturn_codes[7] = { }; /* - * Either we support OABI only, or we have EABI with the OABI - * compat layer enabled. In the later case we don't know if - * user space is EABI or not, and if not we must not clobber r7. - * Always using the OABI syscall solves that issue and works for - * all those cases. - */ -const unsigned long syscall_restart_code[2] = { - SWI_SYS_RESTART, /* swi __NR_restart_syscall */ - 0xe49df004, /* ldr pc, [sp], #4 */ -}; - -/* * atomically swap in the new signal mask, and wait for a signal. */ asmlinkage int sys_sigsuspend(int restart, unsigned long oldmask, old_sigset_t mask) @@ -82,10 +67,10 @@ sys_sigaction(int sig, const struct old_sigaction __user *act, old_sigset_t mask; if (!access_ok(VERIFY_READ, act, sizeof(*act)) || __get_user(new_ka.sa.sa_handler, &act->sa_handler) || - __get_user(new_ka.sa.sa_restorer, &act->sa_restorer)) + __get_user(new_ka.sa.sa_restorer, &act->sa_restorer) || + __get_user(new_ka.sa.sa_flags, &act->sa_flags) || + __get_user(mask, &act->sa_mask)) return -EFAULT; - __get_user(new_ka.sa.sa_flags, &act->sa_flags); - __get_user(mask, &act->sa_mask); siginitset(&new_ka.sa.sa_mask, mask); } @@ -94,10 +79,10 @@ sys_sigaction(int sig, const struct old_sigaction __user *act, if (!ret && oact) { if (!access_ok(VERIFY_WRITE, oact, sizeof(*oact)) || __put_user(old_ka.sa.sa_handler, &oact->sa_handler) || - __put_user(old_ka.sa.sa_restorer, &oact->sa_restorer)) + __put_user(old_ka.sa.sa_restorer, &oact->sa_restorer) || + __put_user(old_ka.sa.sa_flags, &oact->sa_flags) || + __put_user(old_ka.sa.sa_mask.sig[0], &oact->sa_mask)) return -EFAULT; - __put_user(old_ka.sa.sa_flags, &oact->sa_flags); - __put_user(old_ka.sa.sa_mask.sig[0], &oact->sa_mask); } return ret; @@ -223,10 +208,8 @@ static int restore_sigframe(struct pt_regs *regs, struct sigframe __user *sf) int err; err = __copy_from_user(&set, &sf->uc.uc_sigmask, sizeof(set)); - if (err == 0) { - sigdelsetmask(&set, ~_BLOCKABLE); + if (err == 0) set_current_blocked(&set); - } __get_user_error(regs->ARM_r0, &sf->uc.uc_mcontext.arm_r0, err); __get_user_error(regs->ARM_r1, &sf->uc.uc_mcontext.arm_r1, err); @@ -541,13 +524,13 @@ setup_rt_frame(int usig, struct k_sigaction *ka, siginfo_t *info, /* * OK, we're invoking a handler */ -static int +static void handle_signal(unsigned long sig, struct k_sigaction *ka, - siginfo_t *info, sigset_t *oldset, - struct pt_regs * regs) + siginfo_t *info, struct pt_regs *regs) { struct thread_info *thread = current_thread_info(); struct task_struct *tsk = current; + sigset_t *oldset = sigmask_to_save(); int usig = sig; int ret; @@ -572,17 +555,9 @@ handle_signal(unsigned long sig, struct k_sigaction *ka, if (ret != 0) { force_sigsegv(sig, tsk); - return ret; + return; } - - /* - * Block the signal if we were successful. - */ - block_sigmask(ka, sig); - - tracehook_signal_handler(sig, info, ka, regs, 0); - - return 0; + signal_delivered(sig, info, ka, regs, 0); } /* @@ -602,15 +577,6 @@ static void do_signal(struct pt_regs *regs, int syscall) int signr; /* - * We want the common case to go fast, which - * is why we may in certain cases get here from - * kernel mode. Just return without doing anything - * if so. - */ - if (!user_mode(regs)) - return; - - /* * If we were from a system call, check for system call restarting... */ if (syscall) { @@ -626,58 +592,39 @@ static void do_signal(struct pt_regs *regs, int syscall) case -ERESTARTNOHAND: case -ERESTARTSYS: case -ERESTARTNOINTR: + case -ERESTART_RESTARTBLOCK: regs->ARM_r0 = regs->ARM_ORIG_r0; regs->ARM_pc = restart_addr; break; - case -ERESTART_RESTARTBLOCK: - regs->ARM_r0 = -EINTR; - break; } } - if (try_to_freeze()) - goto no_signal; - /* * Get the signal to deliver. When running under ptrace, at this * point the debugger may change all our registers ... */ signr = get_signal_to_deliver(&info, &ka, regs, NULL); if (signr > 0) { - sigset_t *oldset; - /* * Depending on the signal settings we may need to revert the * decision to restart the system call. But skip this if a * debugger has chosen to restart at a different PC. */ if (regs->ARM_pc == restart_addr) { - if (retval == -ERESTARTNOHAND + if (retval == -ERESTARTNOHAND || + retval == -ERESTART_RESTARTBLOCK || (retval == -ERESTARTSYS && !(ka.sa.sa_flags & SA_RESTART))) { regs->ARM_r0 = -EINTR; regs->ARM_pc = continue_addr; } + clear_thread_flag(TIF_SYSCALL_RESTARTSYS); } - if (test_thread_flag(TIF_RESTORE_SIGMASK)) - oldset = ¤t->saved_sigmask; - else - oldset = ¤t->blocked; - if (handle_signal(signr, &ka, &info, oldset, regs) == 0) { - /* - * A signal was successfully delivered; the saved - * sigmask will have been stored in the signal frame, - * and will be restored by sigreturn, so we can simply - * clear the TIF_RESTORE_SIGMASK flag. - */ - if (test_thread_flag(TIF_RESTORE_SIGMASK)) - clear_thread_flag(TIF_RESTORE_SIGMASK); - } + handle_signal(signr, &ka, &info, regs); return; } - no_signal: if (syscall) { /* * Handle restarting a different system call. As above, @@ -685,38 +632,11 @@ static void do_signal(struct pt_regs *regs, int syscall) * ignore the restart. */ if (retval == -ERESTART_RESTARTBLOCK - && regs->ARM_pc == continue_addr) { - if (thumb_mode(regs)) { - regs->ARM_r7 = __NR_restart_syscall - __NR_SYSCALL_BASE; - regs->ARM_pc -= 2; - } else { -#if defined(CONFIG_AEABI) && !defined(CONFIG_OABI_COMPAT) - regs->ARM_r7 = __NR_restart_syscall; - regs->ARM_pc -= 4; -#else - u32 __user *usp; - - regs->ARM_sp -= 4; - usp = (u32 __user *)regs->ARM_sp; - - if (put_user(regs->ARM_pc, usp) == 0) { - regs->ARM_pc = KERN_RESTART_CODE; - } else { - regs->ARM_sp += 4; - force_sigsegv(0, current); - } -#endif - } - } - - /* If there's no signal to deliver, we just put the saved sigmask - * back. - */ - if (test_thread_flag(TIF_RESTORE_SIGMASK)) { - clear_thread_flag(TIF_RESTORE_SIGMASK); - sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); - } + && regs->ARM_pc == restart_addr) + set_thread_flag(TIF_SYSCALL_RESTARTSYS); } + + restore_saved_sigmask(); } asmlinkage void @@ -728,7 +648,5 @@ do_notify_resume(struct pt_regs *regs, unsigned int thread_flags, int syscall) if (thread_flags & _TIF_NOTIFY_RESUME) { clear_thread_flag(TIF_NOTIFY_RESUME); tracehook_notify_resume(regs); - if (current->replacement_session_keyring) - key_replace_session_keyring(); } } diff --git a/arch/arm/kernel/signal.h b/arch/arm/kernel/signal.h index 6fcfe8398aa..5ff067b7c75 100644 --- a/arch/arm/kernel/signal.h +++ b/arch/arm/kernel/signal.h @@ -8,7 +8,5 @@ * published by the Free Software Foundation. */ #define KERN_SIGRETURN_CODE (CONFIG_VECTORS_BASE + 0x00000500) -#define KERN_RESTART_CODE (KERN_SIGRETURN_CODE + sizeof(sigreturn_codes)) extern const unsigned long sigreturn_codes[7]; -extern const unsigned long syscall_restart_code[2]; diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c index b735521a4a5..2c7217d971d 100644 --- a/arch/arm/kernel/smp.c +++ b/arch/arm/kernel/smp.c @@ -109,7 +109,6 @@ static void percpu_timer_stop(void); int __cpu_disable(void) { unsigned int cpu = smp_processor_id(); - struct task_struct *p; int ret; ret = platform_cpu_disable(cpu); @@ -139,12 +138,7 @@ int __cpu_disable(void) flush_cache_all(); local_flush_tlb_all(); - read_lock(&tasklist_lock); - for_each_process(p) { - if (p->mm) - cpumask_clear_cpu(cpu, mm_cpumask(p->mm)); - } - read_unlock(&tasklist_lock); + clear_tasks_mm_cpumask(cpu); return 0; } diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c index 3647170e9a1..4928d89758f 100644 --- a/arch/arm/kernel/traps.c +++ b/arch/arm/kernel/traps.c @@ -820,8 +820,6 @@ void __init early_trap_init(void *vectors_base) */ memcpy((void *)(vectors + KERN_SIGRETURN_CODE - CONFIG_VECTORS_BASE), sigreturn_codes, sizeof(sigreturn_codes)); - memcpy((void *)(vectors + KERN_RESTART_CODE - CONFIG_VECTORS_BASE), - syscall_restart_code, sizeof(syscall_restart_code)); flush_icache_range(vectors, vectors + PAGE_SIZE); modify_domain(DOMAIN_USER, DOMAIN_CLIENT); diff --git a/arch/arm/mach-ep93xx/snappercl15.c b/arch/arm/mach-ep93xx/snappercl15.c index eb282378fa7..01abd3516a7 100644 --- a/arch/arm/mach-ep93xx/snappercl15.c +++ b/arch/arm/mach-ep93xx/snappercl15.c @@ -82,8 +82,6 @@ static int snappercl15_nand_dev_ready(struct mtd_info *mtd) return !!(__raw_readw(NAND_CTRL_ADDR(chip)) & SNAPPERCL15_NAND_RDY); } -static const char *snappercl15_nand_part_probes[] = {"cmdlinepart", NULL}; - static struct mtd_partition snappercl15_nand_parts[] = { { .name = "Kernel", @@ -100,10 +98,8 @@ static struct mtd_partition snappercl15_nand_parts[] = { static struct platform_nand_data snappercl15_nand_data = { .chip = { .nr_chips = 1, - .part_probe_types = snappercl15_nand_part_probes, .partitions = snappercl15_nand_parts, .nr_partitions = ARRAY_SIZE(snappercl15_nand_parts), - .options = NAND_NO_AUTOINCR, .chip_delay = 25, }, .ctrl = { diff --git a/arch/arm/mach-ep93xx/ts72xx.c b/arch/arm/mach-ep93xx/ts72xx.c index d4ef339d961..75cab2d7ec7 100644 --- a/arch/arm/mach-ep93xx/ts72xx.c +++ b/arch/arm/mach-ep93xx/ts72xx.c @@ -105,8 +105,6 @@ static int ts72xx_nand_device_ready(struct mtd_info *mtd) return !!(__raw_readb(addr) & 0x20); } -static const char *ts72xx_nand_part_probes[] = { "cmdlinepart", NULL }; - #define TS72XX_BOOTROM_PART_SIZE (SZ_16K) #define TS72XX_REDBOOT_PART_SIZE (SZ_2M + SZ_1M) @@ -134,7 +132,6 @@ static struct platform_nand_data ts72xx_nand_data = { .nr_chips = 1, .chip_offset = 0, .chip_delay = 15, - .part_probe_types = ts72xx_nand_part_probes, .partitions = ts72xx_nand_parts, .nr_partitions = ARRAY_SIZE(ts72xx_nand_parts), }, diff --git a/arch/arm/mach-exynos/Kconfig b/arch/arm/mach-exynos/Kconfig index 43ebe909441..573be57d3d2 100644 --- a/arch/arm/mach-exynos/Kconfig +++ b/arch/arm/mach-exynos/Kconfig @@ -62,6 +62,8 @@ config SOC_EXYNOS5250 default y depends on ARCH_EXYNOS5 select SAMSUNG_DMADEV + select S5P_PM if PM + select S5P_SLEEP if PM help Enable EXYNOS5250 SoC support diff --git a/arch/arm/mach-exynos/Makefile b/arch/arm/mach-exynos/Makefile index 440a637c76f..9b58024f7d4 100644 --- a/arch/arm/mach-exynos/Makefile +++ b/arch/arm/mach-exynos/Makefile @@ -22,7 +22,7 @@ obj-$(CONFIG_PM) += pm.o obj-$(CONFIG_PM_GENERIC_DOMAINS) += pm_domains.o obj-$(CONFIG_CPU_IDLE) += cpuidle.o -obj-$(CONFIG_ARCH_EXYNOS4) += pmu.o +obj-$(CONFIG_ARCH_EXYNOS) += pmu.o obj-$(CONFIG_SMP) += platsmp.o headsmp.o diff --git a/arch/arm/mach-exynos/clock-exynos5.c b/arch/arm/mach-exynos/clock-exynos5.c index 5aa460b01fd..fefa336be2b 100644 --- a/arch/arm/mach-exynos/clock-exynos5.c +++ b/arch/arm/mach-exynos/clock-exynos5.c @@ -30,7 +30,56 @@ #ifdef CONFIG_PM_SLEEP static struct sleep_save exynos5_clock_save[] = { - /* will be implemented */ + SAVE_ITEM(EXYNOS5_CLKSRC_MASK_TOP), + SAVE_ITEM(EXYNOS5_CLKSRC_MASK_GSCL), + SAVE_ITEM(EXYNOS5_CLKSRC_MASK_DISP1_0), + SAVE_ITEM(EXYNOS5_CLKSRC_MASK_FSYS), + SAVE_ITEM(EXYNOS5_CLKSRC_MASK_MAUDIO), + SAVE_ITEM(EXYNOS5_CLKSRC_MASK_PERIC0), + SAVE_ITEM(EXYNOS5_CLKSRC_MASK_PERIC1), + SAVE_ITEM(EXYNOS5_CLKGATE_IP_GSCL), + SAVE_ITEM(EXYNOS5_CLKGATE_IP_DISP1), + SAVE_ITEM(EXYNOS5_CLKGATE_IP_MFC), + SAVE_ITEM(EXYNOS5_CLKGATE_IP_G3D), + SAVE_ITEM(EXYNOS5_CLKGATE_IP_GEN), + SAVE_ITEM(EXYNOS5_CLKGATE_IP_FSYS), + SAVE_ITEM(EXYNOS5_CLKGATE_IP_PERIC), + SAVE_ITEM(EXYNOS5_CLKGATE_IP_PERIS), + SAVE_ITEM(EXYNOS5_CLKGATE_BLOCK), + SAVE_ITEM(EXYNOS5_CLKDIV_TOP0), + SAVE_ITEM(EXYNOS5_CLKDIV_TOP1), + SAVE_ITEM(EXYNOS5_CLKDIV_GSCL), + SAVE_ITEM(EXYNOS5_CLKDIV_DISP1_0), + SAVE_ITEM(EXYNOS5_CLKDIV_GEN), + SAVE_ITEM(EXYNOS5_CLKDIV_MAUDIO), + SAVE_ITEM(EXYNOS5_CLKDIV_FSYS0), + SAVE_ITEM(EXYNOS5_CLKDIV_FSYS1), + SAVE_ITEM(EXYNOS5_CLKDIV_FSYS2), + SAVE_ITEM(EXYNOS5_CLKDIV_FSYS3), + SAVE_ITEM(EXYNOS5_CLKDIV_PERIC0), + SAVE_ITEM(EXYNOS5_CLKDIV_PERIC1), + SAVE_ITEM(EXYNOS5_CLKDIV_PERIC2), + SAVE_ITEM(EXYNOS5_CLKDIV_PERIC3), + SAVE_ITEM(EXYNOS5_CLKDIV_PERIC4), + SAVE_ITEM(EXYNOS5_CLKDIV_PERIC5), + SAVE_ITEM(EXYNOS5_SCLK_DIV_ISP), + SAVE_ITEM(EXYNOS5_CLKSRC_TOP0), + SAVE_ITEM(EXYNOS5_CLKSRC_TOP1), + SAVE_ITEM(EXYNOS5_CLKSRC_TOP2), + SAVE_ITEM(EXYNOS5_CLKSRC_TOP3), + SAVE_ITEM(EXYNOS5_CLKSRC_GSCL), + SAVE_ITEM(EXYNOS5_CLKSRC_DISP1_0), + SAVE_ITEM(EXYNOS5_CLKSRC_MAUDIO), + SAVE_ITEM(EXYNOS5_CLKSRC_FSYS), + SAVE_ITEM(EXYNOS5_CLKSRC_PERIC0), + SAVE_ITEM(EXYNOS5_CLKSRC_PERIC1), + SAVE_ITEM(EXYNOS5_SCLK_SRC_ISP), + SAVE_ITEM(EXYNOS5_EPLL_CON0), + SAVE_ITEM(EXYNOS5_EPLL_CON1), + SAVE_ITEM(EXYNOS5_EPLL_CON2), + SAVE_ITEM(EXYNOS5_VPLL_CON0), + SAVE_ITEM(EXYNOS5_VPLL_CON1), + SAVE_ITEM(EXYNOS5_VPLL_CON2), }; #endif diff --git a/arch/arm/mach-exynos/cpuidle.c b/arch/arm/mach-exynos/cpuidle.c index 26dac2893b8..cff0595d0d3 100644 --- a/arch/arm/mach-exynos/cpuidle.c +++ b/arch/arm/mach-exynos/cpuidle.c @@ -100,7 +100,7 @@ static int exynos4_enter_core0_aftr(struct cpuidle_device *dev, exynos4_set_wakeupmask(); /* Set value of power down register for aftr mode */ - exynos4_sys_powerdown_conf(SYS_AFTR); + exynos_sys_powerdown_conf(SYS_AFTR); __raw_writel(virt_to_phys(s3c_cpu_resume), REG_DIRECTGO_ADDR); __raw_writel(S5P_CHECK_AFTR, REG_DIRECTGO_FLAG); diff --git a/arch/arm/mach-exynos/include/mach/pm-core.h b/arch/arm/mach-exynos/include/mach/pm-core.h index 9d8da51e35c..a67ecfaf121 100644 --- a/arch/arm/mach-exynos/include/mach/pm-core.h +++ b/arch/arm/mach-exynos/include/mach/pm-core.h @@ -33,7 +33,7 @@ static inline void s3c_pm_arch_prepare_irqs(void) __raw_writel(tmp, S5P_WAKEUP_MASK); __raw_writel(s3c_irqwake_intmask, S5P_WAKEUP_MASK); - __raw_writel(s3c_irqwake_eintmask, S5P_EINT_WAKEUP_MASK); + __raw_writel(s3c_irqwake_eintmask & 0xFFFFFFFE, S5P_EINT_WAKEUP_MASK); } static inline void s3c_pm_arch_stop_clocks(void) diff --git a/arch/arm/mach-exynos/include/mach/pmu.h b/arch/arm/mach-exynos/include/mach/pmu.h index e76b7faba66..7c27c2d4bf4 100644 --- a/arch/arm/mach-exynos/include/mach/pmu.h +++ b/arch/arm/mach-exynos/include/mach/pmu.h @@ -23,12 +23,12 @@ enum sys_powerdown { }; extern unsigned long l2x0_regs_phys; -struct exynos4_pmu_conf { +struct exynos_pmu_conf { void __iomem *reg; unsigned int val[NUM_SYS_POWERDOWN]; }; -extern void exynos4_sys_powerdown_conf(enum sys_powerdown mode); +extern void exynos_sys_powerdown_conf(enum sys_powerdown mode); extern void s3c_cpu_resume(void); #endif /* __ASM_ARCH_PMU_H */ diff --git a/arch/arm/mach-exynos/include/mach/regs-clock.h b/arch/arm/mach-exynos/include/mach/regs-clock.h index b78b5f3ad9c..8c9b38c9c50 100644 --- a/arch/arm/mach-exynos/include/mach/regs-clock.h +++ b/arch/arm/mach-exynos/include/mach/regs-clock.h @@ -274,36 +274,51 @@ #define EXYNOS5_CLKDIV_ACP EXYNOS_CLKREG(0x08500) -#define EXYNOS5_CLKSRC_TOP2 EXYNOS_CLKREG(0x10218) #define EXYNOS5_EPLL_CON0 EXYNOS_CLKREG(0x10130) #define EXYNOS5_EPLL_CON1 EXYNOS_CLKREG(0x10134) +#define EXYNOS5_EPLL_CON2 EXYNOS_CLKREG(0x10138) #define EXYNOS5_VPLL_CON0 EXYNOS_CLKREG(0x10140) #define EXYNOS5_VPLL_CON1 EXYNOS_CLKREG(0x10144) +#define EXYNOS5_VPLL_CON2 EXYNOS_CLKREG(0x10148) #define EXYNOS5_CPLL_CON0 EXYNOS_CLKREG(0x10120) #define EXYNOS5_CLKSRC_TOP0 EXYNOS_CLKREG(0x10210) +#define EXYNOS5_CLKSRC_TOP1 EXYNOS_CLKREG(0x10214) +#define EXYNOS5_CLKSRC_TOP2 EXYNOS_CLKREG(0x10218) #define EXYNOS5_CLKSRC_TOP3 EXYNOS_CLKREG(0x1021C) #define EXYNOS5_CLKSRC_GSCL EXYNOS_CLKREG(0x10220) #define EXYNOS5_CLKSRC_DISP1_0 EXYNOS_CLKREG(0x1022C) +#define EXYNOS5_CLKSRC_MAUDIO EXYNOS_CLKREG(0x10240) #define EXYNOS5_CLKSRC_FSYS EXYNOS_CLKREG(0x10244) #define EXYNOS5_CLKSRC_PERIC0 EXYNOS_CLKREG(0x10250) +#define EXYNOS5_CLKSRC_PERIC1 EXYNOS_CLKREG(0x10254) +#define EXYNOS5_SCLK_SRC_ISP EXYNOS_CLKREG(0x10270) #define EXYNOS5_CLKSRC_MASK_TOP EXYNOS_CLKREG(0x10310) #define EXYNOS5_CLKSRC_MASK_GSCL EXYNOS_CLKREG(0x10320) #define EXYNOS5_CLKSRC_MASK_DISP1_0 EXYNOS_CLKREG(0x1032C) +#define EXYNOS5_CLKSRC_MASK_MAUDIO EXYNOS_CLKREG(0x10334) #define EXYNOS5_CLKSRC_MASK_FSYS EXYNOS_CLKREG(0x10340) #define EXYNOS5_CLKSRC_MASK_PERIC0 EXYNOS_CLKREG(0x10350) +#define EXYNOS5_CLKSRC_MASK_PERIC1 EXYNOS_CLKREG(0x10354) #define EXYNOS5_CLKDIV_TOP0 EXYNOS_CLKREG(0x10510) #define EXYNOS5_CLKDIV_TOP1 EXYNOS_CLKREG(0x10514) #define EXYNOS5_CLKDIV_GSCL EXYNOS_CLKREG(0x10520) #define EXYNOS5_CLKDIV_DISP1_0 EXYNOS_CLKREG(0x1052C) #define EXYNOS5_CLKDIV_GEN EXYNOS_CLKREG(0x1053C) +#define EXYNOS5_CLKDIV_MAUDIO EXYNOS_CLKREG(0x10544) #define EXYNOS5_CLKDIV_FSYS0 EXYNOS_CLKREG(0x10548) #define EXYNOS5_CLKDIV_FSYS1 EXYNOS_CLKREG(0x1054C) #define EXYNOS5_CLKDIV_FSYS2 EXYNOS_CLKREG(0x10550) #define EXYNOS5_CLKDIV_FSYS3 EXYNOS_CLKREG(0x10554) #define EXYNOS5_CLKDIV_PERIC0 EXYNOS_CLKREG(0x10558) +#define EXYNOS5_CLKDIV_PERIC1 EXYNOS_CLKREG(0x1055C) +#define EXYNOS5_CLKDIV_PERIC2 EXYNOS_CLKREG(0x10560) +#define EXYNOS5_CLKDIV_PERIC3 EXYNOS_CLKREG(0x10564) +#define EXYNOS5_CLKDIV_PERIC4 EXYNOS_CLKREG(0x10568) +#define EXYNOS5_CLKDIV_PERIC5 EXYNOS_CLKREG(0x1056C) +#define EXYNOS5_SCLK_DIV_ISP EXYNOS_CLKREG(0x10580) #define EXYNOS5_CLKGATE_IP_ACP EXYNOS_CLKREG(0x08800) #define EXYNOS5_CLKGATE_IP_ISP0 EXYNOS_CLKREG(0x0C800) @@ -311,6 +326,7 @@ #define EXYNOS5_CLKGATE_IP_GSCL EXYNOS_CLKREG(0x10920) #define EXYNOS5_CLKGATE_IP_DISP1 EXYNOS_CLKREG(0x10928) #define EXYNOS5_CLKGATE_IP_MFC EXYNOS_CLKREG(0x1092C) +#define EXYNOS5_CLKGATE_IP_G3D EXYNOS_CLKREG(0x10930) #define EXYNOS5_CLKGATE_IP_GEN EXYNOS_CLKREG(0x10934) #define EXYNOS5_CLKGATE_IP_FSYS EXYNOS_CLKREG(0x10944) #define EXYNOS5_CLKGATE_IP_GPS EXYNOS_CLKREG(0x1094C) diff --git a/arch/arm/mach-exynos/include/mach/regs-pmu.h b/arch/arm/mach-exynos/include/mach/regs-pmu.h index 4dbb8629b20..43a99e6f56a 100644 --- a/arch/arm/mach-exynos/include/mach/regs-pmu.h +++ b/arch/arm/mach-exynos/include/mach/regs-pmu.h @@ -1,9 +1,8 @@ -/* linux/arch/arm/mach-exynos4/include/mach/regs-pmu.h - * - * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd. +/* + * Copyright (c) 2010-2012 Samsung Electronics Co., Ltd. * http://www.samsung.com * - * EXYNOS4 - Power management unit definition + * EXYNOS - Power management unit definition * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as @@ -229,4 +228,138 @@ #define S5P_DIS_IRQ_CORE3 S5P_PMUREG(0x1034) #define S5P_DIS_IRQ_CENTRAL3 S5P_PMUREG(0x1038) +/* For EXYNOS5 */ + +#define EXYNOS5_USB_CFG S5P_PMUREG(0x0230) + +#define EXYNOS5_ARM_CORE0_SYS_PWR_REG S5P_PMUREG(0x1000) +#define EXYNOS5_DIS_IRQ_ARM_CORE0_LOCAL_SYS_PWR_REG S5P_PMUREG(0x1004) +#define EXYNOS5_DIS_IRQ_ARM_CORE0_CENTRAL_SYS_PWR_REG S5P_PMUREG(0x1008) +#define EXYNOS5_ARM_CORE1_SYS_PWR_REG S5P_PMUREG(0x1010) +#define EXYNOS5_DIS_IRQ_ARM_CORE1_LOCAL_SYS_PWR_REG S5P_PMUREG(0x1014) +#define EXYNOS5_DIS_IRQ_ARM_CORE1_CENTRAL_SYS_PWR_REG S5P_PMUREG(0x1018) +#define EXYNOS5_FSYS_ARM_SYS_PWR_REG S5P_PMUREG(0x1040) +#define EXYNOS5_DIS_IRQ_FSYS_ARM_CENTRAL_SYS_PWR_REG S5P_PMUREG(0x1048) +#define EXYNOS5_ISP_ARM_SYS_PWR_REG S5P_PMUREG(0x1050) +#define EXYNOS5_DIS_IRQ_ISP_ARM_LOCAL_SYS_PWR_REG S5P_PMUREG(0x1054) +#define EXYNOS5_DIS_IRQ_ISP_ARM_CENTRAL_SYS_PWR_REG S5P_PMUREG(0x1058) +#define EXYNOS5_ARM_COMMON_SYS_PWR_REG S5P_PMUREG(0x1080) +#define EXYNOS5_ARM_L2_SYS_PWR_REG S5P_PMUREG(0x10C0) +#define EXYNOS5_CMU_ACLKSTOP_SYS_PWR_REG S5P_PMUREG(0x1100) +#define EXYNOS5_CMU_SCLKSTOP_SYS_PWR_REG S5P_PMUREG(0x1104) +#define EXYNOS5_CMU_RESET_SYS_PWR_REG S5P_PMUREG(0x110C) +#define EXYNOS5_CMU_ACLKSTOP_SYSMEM_SYS_PWR_REG S5P_PMUREG(0x1120) +#define EXYNOS5_CMU_SCLKSTOP_SYSMEM_SYS_PWR_REG S5P_PMUREG(0x1124) +#define EXYNOS5_CMU_RESET_SYSMEM_SYS_PWR_REG S5P_PMUREG(0x112C) +#define EXYNOS5_DRAM_FREQ_DOWN_SYS_PWR_REG S5P_PMUREG(0x1130) +#define EXYNOS5_DDRPHY_DLLOFF_SYS_PWR_REG S5P_PMUREG(0x1134) +#define EXYNOS5_DDRPHY_DLLLOCK_SYS_PWR_REG S5P_PMUREG(0x1138) +#define EXYNOS5_APLL_SYSCLK_SYS_PWR_REG S5P_PMUREG(0x1140) +#define EXYNOS5_MPLL_SYSCLK_SYS_PWR_REG S5P_PMUREG(0x1144) +#define EXYNOS5_VPLL_SYSCLK_SYS_PWR_REG S5P_PMUREG(0x1148) +#define EXYNOS5_EPLL_SYSCLK_SYS_PWR_REG S5P_PMUREG(0x114C) +#define EXYNOS5_BPLL_SYSCLK_SYS_PWR_REG S5P_PMUREG(0x1150) +#define EXYNOS5_CPLL_SYSCLK_SYS_PWR_REG S5P_PMUREG(0x1154) +#define EXYNOS5_MPLLUSER_SYSCLK_SYS_PWR_REG S5P_PMUREG(0x1164) +#define EXYNOS5_BPLLUSER_SYSCLK_SYS_PWR_REG S5P_PMUREG(0x1170) +#define EXYNOS5_TOP_BUS_SYS_PWR_REG S5P_PMUREG(0x1180) +#define EXYNOS5_TOP_RETENTION_SYS_PWR_REG S5P_PMUREG(0x1184) +#define EXYNOS5_TOP_PWR_SYS_PWR_REG S5P_PMUREG(0x1188) +#define EXYNOS5_TOP_BUS_SYSMEM_SYS_PWR_REG S5P_PMUREG(0x1190) +#define EXYNOS5_TOP_RETENTION_SYSMEM_SYS_PWR_REG S5P_PMUREG(0x1194) +#define EXYNOS5_TOP_PWR_SYSMEM_SYS_PWR_REG S5P_PMUREG(0x1198) +#define EXYNOS5_LOGIC_RESET_SYS_PWR_REG S5P_PMUREG(0x11A0) +#define EXYNOS5_OSCCLK_GATE_SYS_PWR_REG S5P_PMUREG(0x11A4) +#define EXYNOS5_LOGIC_RESET_SYSMEM_SYS_PWR_REG S5P_PMUREG(0x11B0) +#define EXYNOS5_OSCCLK_GATE_SYSMEM_SYS_PWR_REG S5P_PMUREG(0x11B4) +#define EXYNOS5_USBOTG_MEM_SYS_PWR_REG S5P_PMUREG(0x11C0) +#define EXYNOS5_G2D_MEM_SYS_PWR_REG S5P_PMUREG(0x11C8) +#define EXYNOS5_USBDRD_MEM_SYS_PWR_REG S5P_PMUREG(0x11CC) +#define EXYNOS5_SDMMC_MEM_SYS_PWR_REG S5P_PMUREG(0x11D0) +#define EXYNOS5_CSSYS_MEM_SYS_PWR_REG S5P_PMUREG(0x11D4) +#define EXYNOS5_SECSS_MEM_SYS_PWR_REG S5P_PMUREG(0x11D8) +#define EXYNOS5_ROTATOR_MEM_SYS_PWR_REG S5P_PMUREG(0x11DC) +#define EXYNOS5_INTRAM_MEM_SYS_PWR_REG S5P_PMUREG(0x11E0) +#define EXYNOS5_INTROM_MEM_SYS_PWR_REG S5P_PMUREG(0x11E4) +#define EXYNOS5_JPEG_MEM_SYS_PWR_REG S5P_PMUREG(0x11E8) +#define EXYNOS5_HSI_MEM_SYS_PWR_REG S5P_PMUREG(0x11EC) +#define EXYNOS5_MCUIOP_MEM_SYS_PWR_REG S5P_PMUREG(0x11F4) +#define EXYNOS5_SATA_MEM_SYS_PWR_REG S5P_PMUREG(0x11FC) +#define EXYNOS5_PAD_RETENTION_DRAM_SYS_PWR_REG S5P_PMUREG(0x1200) +#define EXYNOS5_PAD_RETENTION_MAU_SYS_PWR_REG S5P_PMUREG(0x1204) +#define EXYNOS5_PAD_RETENTION_EFNAND_SYS_PWR_REG S5P_PMUREG(0x1208) +#define EXYNOS5_PAD_RETENTION_GPIO_SYS_PWR_REG S5P_PMUREG(0x1220) +#define EXYNOS5_PAD_RETENTION_UART_SYS_PWR_REG S5P_PMUREG(0x1224) +#define EXYNOS5_PAD_RETENTION_MMCA_SYS_PWR_REG S5P_PMUREG(0x1228) +#define EXYNOS5_PAD_RETENTION_MMCB_SYS_PWR_REG S5P_PMUREG(0x122C) +#define EXYNOS5_PAD_RETENTION_EBIA_SYS_PWR_REG S5P_PMUREG(0x1230) +#define EXYNOS5_PAD_RETENTION_EBIB_SYS_PWR_REG S5P_PMUREG(0x1234) +#define EXYNOS5_PAD_RETENTION_SPI_SYS_PWR_REG S5P_PMUREG(0x1238) +#define EXYNOS5_PAD_RETENTION_GPIO_SYSMEM_SYS_PWR_REG S5P_PMUREG(0x123C) +#define EXYNOS5_PAD_ISOLATION_SYS_PWR_REG S5P_PMUREG(0x1240) +#define EXYNOS5_PAD_ISOLATION_SYSMEM_SYS_PWR_REG S5P_PMUREG(0x1250) +#define EXYNOS5_PAD_ALV_SEL_SYS_PWR_REG S5P_PMUREG(0x1260) +#define EXYNOS5_XUSBXTI_SYS_PWR_REG S5P_PMUREG(0x1280) +#define EXYNOS5_XXTI_SYS_PWR_REG S5P_PMUREG(0x1284) +#define EXYNOS5_EXT_REGULATOR_SYS_PWR_REG S5P_PMUREG(0x12C0) +#define EXYNOS5_GPIO_MODE_SYS_PWR_REG S5P_PMUREG(0x1300) +#define EXYNOS5_GPIO_MODE_SYSMEM_SYS_PWR_REG S5P_PMUREG(0x1320) +#define EXYNOS5_GPIO_MODE_MAU_SYS_PWR_REG S5P_PMUREG(0x1340) +#define EXYNOS5_TOP_ASB_RESET_SYS_PWR_REG S5P_PMUREG(0x1344) +#define EXYNOS5_TOP_ASB_ISOLATION_SYS_PWR_REG S5P_PMUREG(0x1348) +#define EXYNOS5_GSCL_SYS_PWR_REG S5P_PMUREG(0x1400) +#define EXYNOS5_ISP_SYS_PWR_REG S5P_PMUREG(0x1404) +#define EXYNOS5_MFC_SYS_PWR_REG S5P_PMUREG(0x1408) +#define EXYNOS5_G3D_SYS_PWR_REG S5P_PMUREG(0x140C) +#define EXYNOS5_DISP1_SYS_PWR_REG S5P_PMUREG(0x1414) +#define EXYNOS5_MAU_SYS_PWR_REG S5P_PMUREG(0x1418) +#define EXYNOS5_CMU_CLKSTOP_GSCL_SYS_PWR_REG S5P_PMUREG(0x1480) +#define EXYNOS5_CMU_CLKSTOP_ISP_SYS_PWR_REG S5P_PMUREG(0x1484) +#define EXYNOS5_CMU_CLKSTOP_MFC_SYS_PWR_REG S5P_PMUREG(0x1488) +#define EXYNOS5_CMU_CLKSTOP_G3D_SYS_PWR_REG S5P_PMUREG(0x148C) +#define EXYNOS5_CMU_CLKSTOP_DISP1_SYS_PWR_REG S5P_PMUREG(0x1494) +#define EXYNOS5_CMU_CLKSTOP_MAU_SYS_PWR_REG S5P_PMUREG(0x1498) +#define EXYNOS5_CMU_SYSCLK_GSCL_SYS_PWR_REG S5P_PMUREG(0x14C0) +#define EXYNOS5_CMU_SYSCLK_ISP_SYS_PWR_REG S5P_PMUREG(0x14C4) +#define EXYNOS5_CMU_SYSCLK_MFC_SYS_PWR_REG S5P_PMUREG(0x14C8) +#define EXYNOS5_CMU_SYSCLK_G3D_SYS_PWR_REG S5P_PMUREG(0x14CC) +#define EXYNOS5_CMU_SYSCLK_DISP1_SYS_PWR_REG S5P_PMUREG(0x14D4) +#define EXYNOS5_CMU_SYSCLK_MAU_SYS_PWR_REG S5P_PMUREG(0x14D8) +#define EXYNOS5_CMU_RESET_GSCL_SYS_PWR_REG S5P_PMUREG(0x1580) +#define EXYNOS5_CMU_RESET_ISP_SYS_PWR_REG S5P_PMUREG(0x1584) +#define EXYNOS5_CMU_RESET_MFC_SYS_PWR_REG S5P_PMUREG(0x1588) +#define EXYNOS5_CMU_RESET_G3D_SYS_PWR_REG S5P_PMUREG(0x158C) +#define EXYNOS5_CMU_RESET_DISP1_SYS_PWR_REG S5P_PMUREG(0x1594) +#define EXYNOS5_CMU_RESET_MAU_SYS_PWR_REG S5P_PMUREG(0x1598) + +#define EXYNOS5_ARM_CORE0_OPTION S5P_PMUREG(0x2008) +#define EXYNOS5_ARM_CORE1_OPTION S5P_PMUREG(0x2088) +#define EXYNOS5_FSYS_ARM_OPTION S5P_PMUREG(0x2208) +#define EXYNOS5_ISP_ARM_OPTION S5P_PMUREG(0x2288) +#define EXYNOS5_ARM_COMMON_OPTION S5P_PMUREG(0x2408) +#define EXYNOS5_TOP_PWR_OPTION S5P_PMUREG(0x2C48) +#define EXYNOS5_TOP_PWR_SYSMEM_OPTION S5P_PMUREG(0x2CC8) +#define EXYNOS5_JPEG_MEM_OPTION S5P_PMUREG(0x2F48) +#define EXYNOS5_GSCL_STATUS S5P_PMUREG(0x4004) +#define EXYNOS5_ISP_STATUS S5P_PMUREG(0x4024) +#define EXYNOS5_GSCL_OPTION S5P_PMUREG(0x4008) +#define EXYNOS5_ISP_OPTION S5P_PMUREG(0x4028) +#define EXYNOS5_MFC_OPTION S5P_PMUREG(0x4048) +#define EXYNOS5_G3D_CONFIGURATION S5P_PMUREG(0x4060) +#define EXYNOS5_G3D_STATUS S5P_PMUREG(0x4064) +#define EXYNOS5_G3D_OPTION S5P_PMUREG(0x4068) +#define EXYNOS5_DISP1_OPTION S5P_PMUREG(0x40A8) +#define EXYNOS5_MAU_OPTION S5P_PMUREG(0x40C8) + +#define EXYNOS5_USE_SC_FEEDBACK (1 << 1) +#define EXYNOS5_USE_SC_COUNTER (1 << 0) + +#define EXYNOS5_MANUAL_L2RSTDISABLE_CONTROL (1 << 2) +#define EXYNOS5_SKIP_DEACTIVATE_ACEACP_IN_PWDN (1 << 7) + +#define EXYNOS5_OPTION_USE_STANDBYWFE (1 << 24) +#define EXYNOS5_OPTION_USE_STANDBYWFI (1 << 16) + +#define EXYNOS5_OPTION_USE_RETENTION (1 << 4) + #endif /* __ASM_ARCH_REGS_PMU_H */ diff --git a/arch/arm/mach-exynos/mach-nuri.c b/arch/arm/mach-exynos/mach-nuri.c index 972983e392b..656f8fc9add 100644 --- a/arch/arm/mach-exynos/mach-nuri.c +++ b/arch/arm/mach-exynos/mach-nuri.c @@ -237,25 +237,29 @@ static struct exynos_drm_fimd_pdata drm_fimd_pdata = { #else /* Frame Buffer */ static struct s3c_fb_pd_win nuri_fb_win0 = { - .win_mode = { - .left_margin = 64, - .right_margin = 16, - .upper_margin = 64, - .lower_margin = 1, - .hsync_len = 48, - .vsync_len = 3, - .xres = 1024, - .yres = 600, - .refresh = 60, - }, .max_bpp = 24, .default_bpp = 16, + .xres = 1024, + .yres = 600, .virtual_x = 1024, .virtual_y = 2 * 600, }; +static struct fb_videomode nuri_lcd_timing = { + .left_margin = 64, + .right_margin = 16, + .upper_margin = 64, + .lower_margin = 1, + .hsync_len = 48, + .vsync_len = 3, + .xres = 1024, + .yres = 600, + .refresh = 60, +}; + static struct s3c_fb_platdata nuri_fb_pdata __initdata = { .win[0] = &nuri_fb_win0, + .vtiming = &nuri_lcd_timing, .vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB | VIDCON0_CLKSEL_LCD, .vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC, diff --git a/arch/arm/mach-exynos/mach-origen.c b/arch/arm/mach-exynos/mach-origen.c index a7f7fd567dd..f5572be9d7b 100644 --- a/arch/arm/mach-exynos/mach-origen.c +++ b/arch/arm/mach-exynos/mach-origen.c @@ -604,24 +604,28 @@ static struct exynos_drm_fimd_pdata drm_fimd_pdata = { }; #else static struct s3c_fb_pd_win origen_fb_win0 = { - .win_mode = { - .left_margin = 64, - .right_margin = 16, - .upper_margin = 64, - .lower_margin = 16, - .hsync_len = 48, - .vsync_len = 3, - .xres = 1024, - .yres = 600, - }, + .xres = 1024, + .yres = 600, .max_bpp = 32, .default_bpp = 24, .virtual_x = 1024, .virtual_y = 2 * 600, }; +static struct fb_videomode origen_lcd_timing = { + .left_margin = 64, + .right_margin = 16, + .upper_margin = 64, + .lower_margin = 16, + .hsync_len = 48, + .vsync_len = 3, + .xres = 1024, + .yres = 600, +}; + static struct s3c_fb_platdata origen_lcd_pdata __initdata = { .win[0] = &origen_fb_win0, + .vtiming = &origen_lcd_timing, .vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB, .vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC | VIDCON1_INV_VCLK, diff --git a/arch/arm/mach-exynos/mach-smdkv310.c b/arch/arm/mach-exynos/mach-smdkv310.c index 70df1a0c211..262e9e446a9 100644 --- a/arch/arm/mach-exynos/mach-smdkv310.c +++ b/arch/arm/mach-exynos/mach-smdkv310.c @@ -178,22 +178,26 @@ static struct exynos_drm_fimd_pdata drm_fimd_pdata = { }; #else static struct s3c_fb_pd_win smdkv310_fb_win0 = { - .win_mode = { - .left_margin = 13, - .right_margin = 8, - .upper_margin = 7, - .lower_margin = 5, - .hsync_len = 3, - .vsync_len = 1, - .xres = 800, - .yres = 480, - }, - .max_bpp = 32, - .default_bpp = 24, + .max_bpp = 32, + .default_bpp = 24, + .xres = 800, + .yres = 480, +}; + +static struct fb_videomode smdkv310_lcd_timing = { + .left_margin = 13, + .right_margin = 8, + .upper_margin = 7, + .lower_margin = 5, + .hsync_len = 3, + .vsync_len = 1, + .xres = 800, + .yres = 480, }; static struct s3c_fb_platdata smdkv310_lcd0_pdata __initdata = { .win[0] = &smdkv310_fb_win0, + .vtiming = &smdkv310_lcd_timing, .vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB, .vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC, .setup_gpio = exynos4_fimd0_gpio_setup_24bpp, diff --git a/arch/arm/mach-exynos/mach-universal_c210.c b/arch/arm/mach-exynos/mach-universal_c210.c index 083b44de9c1..cd92fa86ba4 100644 --- a/arch/arm/mach-exynos/mach-universal_c210.c +++ b/arch/arm/mach-exynos/mach-universal_c210.c @@ -843,25 +843,29 @@ static struct exynos_drm_fimd_pdata drm_fimd_pdata = { #else /* Frame Buffer */ static struct s3c_fb_pd_win universal_fb_win0 = { - .win_mode = { - .left_margin = 16, - .right_margin = 16, - .upper_margin = 2, - .lower_margin = 28, - .hsync_len = 2, - .vsync_len = 1, - .xres = 480, - .yres = 800, - .refresh = 55, - }, .max_bpp = 32, .default_bpp = 16, + .xres = 480, + .yres = 800, .virtual_x = 480, .virtual_y = 2 * 800, }; +static struct fb_videomode universal_lcd_timing = { + .left_margin = 16, + .right_margin = 16, + .upper_margin = 2, + .lower_margin = 28, + .hsync_len = 2, + .vsync_len = 1, + .xres = 480, + .yres = 800, + .refresh = 55, +}; + static struct s3c_fb_platdata universal_lcd_pdata __initdata = { .win[0] = &universal_fb_win0, + .vtiming = &universal_lcd_timing, .vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB | VIDCON0_CLKSEL_LCD, .vidcon1 = VIDCON1_INV_VCLK | VIDCON1_INV_VDEN diff --git a/arch/arm/mach-exynos/pm.c b/arch/arm/mach-exynos/pm.c index 563dea9a6db..c06c992943a 100644 --- a/arch/arm/mach-exynos/pm.c +++ b/arch/arm/mach-exynos/pm.c @@ -1,9 +1,8 @@ -/* linux/arch/arm/mach-exynos4/pm.c - * - * Copyright (c) 2011 Samsung Electronics Co., Ltd. +/* + * Copyright (c) 2011-2012 Samsung Electronics Co., Ltd. * http://www.samsung.com * - * EXYNOS4210 - Power Management support + * EXYNOS - Power Management support * * Based on arch/arm/mach-s3c2410/pm.c * Copyright (c) 2006 Simtec Electronics @@ -63,90 +62,7 @@ static struct sleep_save exynos4_vpll_save[] = { SAVE_ITEM(EXYNOS4_VPLL_CON1), }; -static struct sleep_save exynos4_core_save[] = { - /* GIC side */ - SAVE_ITEM(S5P_VA_GIC_CPU + 0x000), - SAVE_ITEM(S5P_VA_GIC_CPU + 0x004), - SAVE_ITEM(S5P_VA_GIC_CPU + 0x008), - SAVE_ITEM(S5P_VA_GIC_CPU + 0x00C), - SAVE_ITEM(S5P_VA_GIC_CPU + 0x014), - SAVE_ITEM(S5P_VA_GIC_CPU + 0x018), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x000), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x004), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x100), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x104), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x108), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x300), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x304), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x308), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x400), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x404), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x408), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x40C), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x410), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x414), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x418), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x41C), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x420), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x424), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x428), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x42C), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x430), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x434), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x438), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x43C), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x440), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x444), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x448), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x44C), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x450), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x454), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x458), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x45C), - - SAVE_ITEM(S5P_VA_GIC_DIST + 0x800), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x804), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x808), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x80C), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x810), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x814), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x818), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x81C), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x820), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x824), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x828), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x82C), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x830), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x834), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x838), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x83C), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x840), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x844), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x848), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x84C), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x850), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x854), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x858), - SAVE_ITEM(S5P_VA_GIC_DIST + 0x85C), - - SAVE_ITEM(S5P_VA_GIC_DIST + 0xC00), - SAVE_ITEM(S5P_VA_GIC_DIST + 0xC04), - SAVE_ITEM(S5P_VA_GIC_DIST + 0xC08), - SAVE_ITEM(S5P_VA_GIC_DIST + 0xC0C), - SAVE_ITEM(S5P_VA_GIC_DIST + 0xC10), - SAVE_ITEM(S5P_VA_GIC_DIST + 0xC14), - - SAVE_ITEM(S5P_VA_COMBINER_BASE + 0x000), - SAVE_ITEM(S5P_VA_COMBINER_BASE + 0x010), - SAVE_ITEM(S5P_VA_COMBINER_BASE + 0x020), - SAVE_ITEM(S5P_VA_COMBINER_BASE + 0x030), - SAVE_ITEM(S5P_VA_COMBINER_BASE + 0x040), - SAVE_ITEM(S5P_VA_COMBINER_BASE + 0x050), - SAVE_ITEM(S5P_VA_COMBINER_BASE + 0x060), - SAVE_ITEM(S5P_VA_COMBINER_BASE + 0x070), - SAVE_ITEM(S5P_VA_COMBINER_BASE + 0x080), - SAVE_ITEM(S5P_VA_COMBINER_BASE + 0x090), - +static struct sleep_save exynos_core_save[] = { /* SROM side */ SAVE_ITEM(S5P_SROM_BW), SAVE_ITEM(S5P_SROM_BC0), @@ -159,9 +75,11 @@ static struct sleep_save exynos4_core_save[] = { /* For Cortex-A9 Diagnostic and Power control register */ static unsigned int save_arm_register[2]; -static int exynos4_cpu_suspend(unsigned long arg) +static int exynos_cpu_suspend(unsigned long arg) { +#ifdef CONFIG_CACHE_L2X0 outer_flush_all(); +#endif /* issue the standby signal into the pm unit. */ cpu_do_idle(); @@ -170,19 +88,25 @@ static int exynos4_cpu_suspend(unsigned long arg) panic("sleep resumed to originator?"); } -static void exynos4_pm_prepare(void) +static void exynos_pm_prepare(void) { - u32 tmp; + unsigned int tmp; - s3c_pm_do_save(exynos4_core_save, ARRAY_SIZE(exynos4_core_save)); - s3c_pm_do_save(exynos4_epll_save, ARRAY_SIZE(exynos4_epll_save)); - s3c_pm_do_save(exynos4_vpll_save, ARRAY_SIZE(exynos4_vpll_save)); + s3c_pm_do_save(exynos_core_save, ARRAY_SIZE(exynos_core_save)); - tmp = __raw_readl(S5P_INFORM1); + if (!soc_is_exynos5250()) { + s3c_pm_do_save(exynos4_epll_save, ARRAY_SIZE(exynos4_epll_save)); + s3c_pm_do_save(exynos4_vpll_save, ARRAY_SIZE(exynos4_vpll_save)); + } else { + /* Disable USE_RETENTION of JPEG_MEM_OPTION */ + tmp = __raw_readl(EXYNOS5_JPEG_MEM_OPTION); + tmp &= ~EXYNOS5_OPTION_USE_RETENTION; + __raw_writel(tmp, EXYNOS5_JPEG_MEM_OPTION); + } /* Set value of power down register for sleep mode */ - exynos4_sys_powerdown_conf(SYS_SLEEP); + exynos_sys_powerdown_conf(SYS_SLEEP); __raw_writel(S5P_CHECK_SLEEP, S5P_INFORM1); /* ensure at least INFORM0 has the resume address */ @@ -191,17 +115,18 @@ static void exynos4_pm_prepare(void) /* Before enter central sequence mode, clock src register have to set */ - s3c_pm_do_restore_core(exynos4_set_clksrc, ARRAY_SIZE(exynos4_set_clksrc)); + if (!soc_is_exynos5250()) + s3c_pm_do_restore_core(exynos4_set_clksrc, ARRAY_SIZE(exynos4_set_clksrc)); if (soc_is_exynos4210()) s3c_pm_do_restore_core(exynos4210_set_clksrc, ARRAY_SIZE(exynos4210_set_clksrc)); } -static int exynos4_pm_add(struct device *dev, struct subsys_interface *sif) +static int exynos_pm_add(struct device *dev, struct subsys_interface *sif) { - pm_cpu_prep = exynos4_pm_prepare; - pm_cpu_sleep = exynos4_cpu_suspend; + pm_cpu_prep = exynos_pm_prepare; + pm_cpu_sleep = exynos_cpu_suspend; return 0; } @@ -273,13 +198,13 @@ static void exynos4_restore_pll(void) } while (epll_wait || vpll_wait); } -static struct subsys_interface exynos4_pm_interface = { - .name = "exynos4_pm", +static struct subsys_interface exynos_pm_interface = { + .name = "exynos_pm", .subsys = &exynos_subsys, - .add_dev = exynos4_pm_add, + .add_dev = exynos_pm_add, }; -static __init int exynos4_pm_drvinit(void) +static __init int exynos_pm_drvinit(void) { struct clk *pll_base; unsigned int tmp; @@ -292,18 +217,20 @@ static __init int exynos4_pm_drvinit(void) tmp |= ((0xFF << 8) | (0x1F << 1)); __raw_writel(tmp, S5P_WAKEUP_MASK); - pll_base = clk_get(NULL, "xtal"); + if (!soc_is_exynos5250()) { + pll_base = clk_get(NULL, "xtal"); - if (!IS_ERR(pll_base)) { - pll_base_rate = clk_get_rate(pll_base); - clk_put(pll_base); + if (!IS_ERR(pll_base)) { + pll_base_rate = clk_get_rate(pll_base); + clk_put(pll_base); + } } - return subsys_interface_register(&exynos4_pm_interface); + return subsys_interface_register(&exynos_pm_interface); } -arch_initcall(exynos4_pm_drvinit); +arch_initcall(exynos_pm_drvinit); -static int exynos4_pm_suspend(void) +static int exynos_pm_suspend(void) { unsigned long tmp; @@ -313,27 +240,27 @@ static int exynos4_pm_suspend(void) tmp &= ~S5P_CENTRAL_LOWPWR_CFG; __raw_writel(tmp, S5P_CENTRAL_SEQ_CONFIGURATION); - if (soc_is_exynos4212() || soc_is_exynos4412()) { - tmp = __raw_readl(S5P_CENTRAL_SEQ_OPTION); - tmp &= ~(S5P_USE_STANDBYWFI_ISP_ARM | - S5P_USE_STANDBYWFE_ISP_ARM); - __raw_writel(tmp, S5P_CENTRAL_SEQ_OPTION); - } + /* Setting SEQ_OPTION register */ + + tmp = (S5P_USE_STANDBY_WFI0 | S5P_USE_STANDBY_WFE0); + __raw_writel(tmp, S5P_CENTRAL_SEQ_OPTION); - /* Save Power control register */ - asm ("mrc p15, 0, %0, c15, c0, 0" - : "=r" (tmp) : : "cc"); - save_arm_register[0] = tmp; + if (!soc_is_exynos5250()) { + /* Save Power control register */ + asm ("mrc p15, 0, %0, c15, c0, 0" + : "=r" (tmp) : : "cc"); + save_arm_register[0] = tmp; - /* Save Diagnostic register */ - asm ("mrc p15, 0, %0, c15, c0, 1" - : "=r" (tmp) : : "cc"); - save_arm_register[1] = tmp; + /* Save Diagnostic register */ + asm ("mrc p15, 0, %0, c15, c0, 1" + : "=r" (tmp) : : "cc"); + save_arm_register[1] = tmp; + } return 0; } -static void exynos4_pm_resume(void) +static void exynos_pm_resume(void) { unsigned long tmp; @@ -350,17 +277,19 @@ static void exynos4_pm_resume(void) /* No need to perform below restore code */ goto early_wakeup; } - /* Restore Power control register */ - tmp = save_arm_register[0]; - asm volatile ("mcr p15, 0, %0, c15, c0, 0" - : : "r" (tmp) - : "cc"); - - /* Restore Diagnostic register */ - tmp = save_arm_register[1]; - asm volatile ("mcr p15, 0, %0, c15, c0, 1" - : : "r" (tmp) - : "cc"); + if (!soc_is_exynos5250()) { + /* Restore Power control register */ + tmp = save_arm_register[0]; + asm volatile ("mcr p15, 0, %0, c15, c0, 0" + : : "r" (tmp) + : "cc"); + + /* Restore Diagnostic register */ + tmp = save_arm_register[1]; + asm volatile ("mcr p15, 0, %0, c15, c0, 1" + : : "r" (tmp) + : "cc"); + } /* For release retention */ @@ -372,26 +301,28 @@ static void exynos4_pm_resume(void) __raw_writel((1 << 28), S5P_PAD_RET_EBIA_OPTION); __raw_writel((1 << 28), S5P_PAD_RET_EBIB_OPTION); - s3c_pm_do_restore_core(exynos4_core_save, ARRAY_SIZE(exynos4_core_save)); + s3c_pm_do_restore_core(exynos_core_save, ARRAY_SIZE(exynos_core_save)); - exynos4_restore_pll(); + if (!soc_is_exynos5250()) { + exynos4_restore_pll(); #ifdef CONFIG_SMP - scu_enable(S5P_VA_SCU); + scu_enable(S5P_VA_SCU); #endif + } early_wakeup: return; } -static struct syscore_ops exynos4_pm_syscore_ops = { - .suspend = exynos4_pm_suspend, - .resume = exynos4_pm_resume, +static struct syscore_ops exynos_pm_syscore_ops = { + .suspend = exynos_pm_suspend, + .resume = exynos_pm_resume, }; -static __init int exynos4_pm_syscore_init(void) +static __init int exynos_pm_syscore_init(void) { - register_syscore_ops(&exynos4_pm_syscore_ops); + register_syscore_ops(&exynos_pm_syscore_ops); return 0; } -arch_initcall(exynos4_pm_syscore_init); +arch_initcall(exynos_pm_syscore_init); diff --git a/arch/arm/mach-exynos/pmu.c b/arch/arm/mach-exynos/pmu.c index 77c6815eebe..4aacb66f716 100644 --- a/arch/arm/mach-exynos/pmu.c +++ b/arch/arm/mach-exynos/pmu.c @@ -1,9 +1,8 @@ -/* linux/arch/arm/mach-exynos4/pmu.c - * - * Copyright (c) 2011 Samsung Electronics Co., Ltd. +/* + * Copyright (c) 2011-2012 Samsung Electronics Co., Ltd. * http://www.samsung.com/ * - * EXYNOS4210 - CPU PMU(Power Management Unit) support + * EXYNOS - CPU PMU(Power Management Unit) support * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as @@ -12,13 +11,14 @@ #include <linux/io.h> #include <linux/kernel.h> +#include <linux/bug.h> #include <mach/regs-clock.h> #include <mach/pmu.h> -static struct exynos4_pmu_conf *exynos4_pmu_config; +static struct exynos_pmu_conf *exynos_pmu_config; -static struct exynos4_pmu_conf exynos4210_pmu_config[] = { +static struct exynos_pmu_conf exynos4210_pmu_config[] = { /* { .reg = address, .val = { AFTR, LPA, SLEEP } */ { S5P_ARM_CORE0_LOWPWR, { 0x0, 0x0, 0x2 } }, { S5P_DIS_IRQ_CORE0, { 0x0, 0x0, 0x0 } }, @@ -94,7 +94,7 @@ static struct exynos4_pmu_conf exynos4210_pmu_config[] = { { PMU_TABLE_END,}, }; -static struct exynos4_pmu_conf exynos4x12_pmu_config[] = { +static struct exynos_pmu_conf exynos4x12_pmu_config[] = { { S5P_ARM_CORE0_LOWPWR, { 0x0, 0x0, 0x2 } }, { S5P_DIS_IRQ_CORE0, { 0x0, 0x0, 0x0 } }, { S5P_DIS_IRQ_CENTRAL0, { 0x0, 0x0, 0x0 } }, @@ -202,7 +202,7 @@ static struct exynos4_pmu_conf exynos4x12_pmu_config[] = { { PMU_TABLE_END,}, }; -static struct exynos4_pmu_conf exynos4412_pmu_config[] = { +static struct exynos_pmu_conf exynos4412_pmu_config[] = { { S5P_ARM_CORE2_LOWPWR, { 0x0, 0x0, 0x2 } }, { S5P_DIS_IRQ_CORE2, { 0x0, 0x0, 0x0 } }, { S5P_DIS_IRQ_CENTRAL2, { 0x0, 0x0, 0x0 } }, @@ -212,13 +212,174 @@ static struct exynos4_pmu_conf exynos4412_pmu_config[] = { { PMU_TABLE_END,}, }; -void exynos4_sys_powerdown_conf(enum sys_powerdown mode) +static struct exynos_pmu_conf exynos5250_pmu_config[] = { + /* { .reg = address, .val = { AFTR, LPA, SLEEP } */ + { EXYNOS5_ARM_CORE0_SYS_PWR_REG, { 0x0, 0x0, 0x2} }, + { EXYNOS5_DIS_IRQ_ARM_CORE0_LOCAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5_DIS_IRQ_ARM_CORE0_CENTRAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5_ARM_CORE1_SYS_PWR_REG, { 0x0, 0x0, 0x2} }, + { EXYNOS5_DIS_IRQ_ARM_CORE1_LOCAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5_DIS_IRQ_ARM_CORE1_CENTRAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5_FSYS_ARM_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_DIS_IRQ_FSYS_ARM_CENTRAL_SYS_PWR_REG, { 0x1, 0x1, 0x1} }, + { EXYNOS5_ISP_ARM_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_DIS_IRQ_ISP_ARM_LOCAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5_DIS_IRQ_ISP_ARM_CENTRAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS5_ARM_COMMON_SYS_PWR_REG, { 0x0, 0x0, 0x2} }, + { EXYNOS5_ARM_L2_SYS_PWR_REG, { 0x3, 0x3, 0x3} }, + { EXYNOS5_CMU_ACLKSTOP_SYS_PWR_REG, { 0x1, 0x0, 0x1} }, + { EXYNOS5_CMU_SCLKSTOP_SYS_PWR_REG, { 0x1, 0x0, 0x1} }, + { EXYNOS5_CMU_RESET_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS5_CMU_ACLKSTOP_SYSMEM_SYS_PWR_REG, { 0x1, 0x0, 0x1} }, + { EXYNOS5_CMU_SCLKSTOP_SYSMEM_SYS_PWR_REG, { 0x1, 0x0, 0x1} }, + { EXYNOS5_CMU_RESET_SYSMEM_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS5_DRAM_FREQ_DOWN_SYS_PWR_REG, { 0x1, 0x1, 0x1} }, + { EXYNOS5_DDRPHY_DLLOFF_SYS_PWR_REG, { 0x1, 0x1, 0x1} }, + { EXYNOS5_DDRPHY_DLLLOCK_SYS_PWR_REG, { 0x1, 0x1, 0x1} }, + { EXYNOS5_APLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_MPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_VPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_EPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS5_BPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_CPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_MPLLUSER_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_BPLLUSER_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_TOP_BUS_SYS_PWR_REG, { 0x3, 0x0, 0x0} }, + { EXYNOS5_TOP_RETENTION_SYS_PWR_REG, { 0x1, 0x0, 0x1} }, + { EXYNOS5_TOP_PWR_SYS_PWR_REG, { 0x3, 0x0, 0x3} }, + { EXYNOS5_TOP_BUS_SYSMEM_SYS_PWR_REG, { 0x3, 0x0, 0x0} }, + { EXYNOS5_TOP_RETENTION_SYSMEM_SYS_PWR_REG, { 0x1, 0x0, 0x1} }, + { EXYNOS5_TOP_PWR_SYSMEM_SYS_PWR_REG, { 0x3, 0x0, 0x3} }, + { EXYNOS5_LOGIC_RESET_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS5_OSCCLK_GATE_SYS_PWR_REG, { 0x1, 0x0, 0x1} }, + { EXYNOS5_LOGIC_RESET_SYSMEM_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS5_OSCCLK_GATE_SYSMEM_SYS_PWR_REG, { 0x1, 0x0, 0x1} }, + { EXYNOS5_USBOTG_MEM_SYS_PWR_REG, { 0x3, 0x0, 0x0} }, + { EXYNOS5_G2D_MEM_SYS_PWR_REG, { 0x3, 0x0, 0x0} }, + { EXYNOS5_USBDRD_MEM_SYS_PWR_REG, { 0x3, 0x0, 0x0} }, + { EXYNOS5_SDMMC_MEM_SYS_PWR_REG, { 0x3, 0x0, 0x0} }, + { EXYNOS5_CSSYS_MEM_SYS_PWR_REG, { 0x3, 0x0, 0x0} }, + { EXYNOS5_SECSS_MEM_SYS_PWR_REG, { 0x3, 0x0, 0x0} }, + { EXYNOS5_ROTATOR_MEM_SYS_PWR_REG, { 0x3, 0x0, 0x0} }, + { EXYNOS5_INTRAM_MEM_SYS_PWR_REG, { 0x3, 0x0, 0x0} }, + { EXYNOS5_INTROM_MEM_SYS_PWR_REG, { 0x3, 0x0, 0x0} }, + { EXYNOS5_JPEG_MEM_SYS_PWR_REG, { 0x3, 0x0, 0x0} }, + { EXYNOS5_HSI_MEM_SYS_PWR_REG, { 0x3, 0x0, 0x0} }, + { EXYNOS5_MCUIOP_MEM_SYS_PWR_REG, { 0x3, 0x0, 0x0} }, + { EXYNOS5_SATA_MEM_SYS_PWR_REG, { 0x3, 0x0, 0x0} }, + { EXYNOS5_PAD_RETENTION_DRAM_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_PAD_RETENTION_MAU_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS5_PAD_RETENTION_GPIO_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_PAD_RETENTION_UART_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_PAD_RETENTION_MMCA_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_PAD_RETENTION_MMCB_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_PAD_RETENTION_EBIA_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_PAD_RETENTION_EBIB_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_PAD_RETENTION_SPI_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_PAD_RETENTION_GPIO_SYSMEM_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_PAD_ISOLATION_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_PAD_ISOLATION_SYSMEM_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_PAD_ALV_SEL_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_XUSBXTI_SYS_PWR_REG, { 0x1, 0x1, 0x1} }, + { EXYNOS5_XXTI_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS5_EXT_REGULATOR_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS5_GPIO_MODE_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_GPIO_MODE_SYSMEM_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_GPIO_MODE_MAU_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS5_TOP_ASB_RESET_SYS_PWR_REG, { 0x1, 0x1, 0x1} }, + { EXYNOS5_TOP_ASB_ISOLATION_SYS_PWR_REG, { 0x1, 0x0, 0x1} }, + { EXYNOS5_GSCL_SYS_PWR_REG, { 0x7, 0x0, 0x0} }, + { EXYNOS5_ISP_SYS_PWR_REG, { 0x7, 0x0, 0x0} }, + { EXYNOS5_MFC_SYS_PWR_REG, { 0x7, 0x0, 0x0} }, + { EXYNOS5_G3D_SYS_PWR_REG, { 0x7, 0x0, 0x0} }, + { EXYNOS5_DISP1_SYS_PWR_REG, { 0x7, 0x0, 0x0} }, + { EXYNOS5_MAU_SYS_PWR_REG, { 0x7, 0x7, 0x0} }, + { EXYNOS5_CMU_CLKSTOP_GSCL_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_CMU_CLKSTOP_ISP_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_CMU_CLKSTOP_MFC_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_CMU_CLKSTOP_G3D_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_CMU_CLKSTOP_DISP1_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_CMU_CLKSTOP_MAU_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS5_CMU_SYSCLK_GSCL_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_CMU_SYSCLK_ISP_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_CMU_SYSCLK_MFC_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_CMU_SYSCLK_G3D_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_CMU_SYSCLK_DISP1_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_CMU_SYSCLK_MAU_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS5_CMU_RESET_GSCL_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_CMU_RESET_ISP_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_CMU_RESET_MFC_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_CMU_RESET_G3D_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_CMU_RESET_DISP1_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS5_CMU_RESET_MAU_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { PMU_TABLE_END,}, +}; + +void __iomem *exynos5_list_both_cnt_feed[] = { + EXYNOS5_ARM_CORE0_OPTION, + EXYNOS5_ARM_CORE1_OPTION, + EXYNOS5_ARM_COMMON_OPTION, + EXYNOS5_GSCL_OPTION, + EXYNOS5_ISP_OPTION, + EXYNOS5_MFC_OPTION, + EXYNOS5_G3D_OPTION, + EXYNOS5_DISP1_OPTION, + EXYNOS5_MAU_OPTION, + EXYNOS5_TOP_PWR_OPTION, + EXYNOS5_TOP_PWR_SYSMEM_OPTION, +}; + +void __iomem *exynos5_list_diable_wfi_wfe[] = { + EXYNOS5_ARM_CORE1_OPTION, + EXYNOS5_FSYS_ARM_OPTION, + EXYNOS5_ISP_ARM_OPTION, +}; + +static void exynos5_init_pmu(void) { unsigned int i; + unsigned int tmp; + + /* + * Enable both SC_FEEDBACK and SC_COUNTER + */ + for (i = 0 ; i < ARRAY_SIZE(exynos5_list_both_cnt_feed) ; i++) { + tmp = __raw_readl(exynos5_list_both_cnt_feed[i]); + tmp |= (EXYNOS5_USE_SC_FEEDBACK | + EXYNOS5_USE_SC_COUNTER); + __raw_writel(tmp, exynos5_list_both_cnt_feed[i]); + } + + /* + * SKIP_DEACTIVATE_ACEACP_IN_PWDN_BITFIELD Enable + * MANUAL_L2RSTDISABLE_CONTROL_BITFIELD Enable + */ + tmp = __raw_readl(EXYNOS5_ARM_COMMON_OPTION); + tmp |= (EXYNOS5_MANUAL_L2RSTDISABLE_CONTROL | + EXYNOS5_SKIP_DEACTIVATE_ACEACP_IN_PWDN); + __raw_writel(tmp, EXYNOS5_ARM_COMMON_OPTION); + + /* + * Disable WFI/WFE on XXX_OPTION + */ + for (i = 0 ; i < ARRAY_SIZE(exynos5_list_diable_wfi_wfe) ; i++) { + tmp = __raw_readl(exynos5_list_diable_wfi_wfe[i]); + tmp &= ~(EXYNOS5_OPTION_USE_STANDBYWFE | + EXYNOS5_OPTION_USE_STANDBYWFI); + __raw_writel(tmp, exynos5_list_diable_wfi_wfe[i]); + } +} + +void exynos_sys_powerdown_conf(enum sys_powerdown mode) +{ + unsigned int i; + + if (soc_is_exynos5250()) + exynos5_init_pmu(); - for (i = 0; (exynos4_pmu_config[i].reg != PMU_TABLE_END) ; i++) - __raw_writel(exynos4_pmu_config[i].val[mode], - exynos4_pmu_config[i].reg); + for (i = 0; (exynos_pmu_config[i].reg != PMU_TABLE_END) ; i++) + __raw_writel(exynos_pmu_config[i].val[mode], + exynos_pmu_config[i].reg); if (soc_is_exynos4412()) { for (i = 0; exynos4412_pmu_config[i].reg != PMU_TABLE_END ; i++) @@ -227,20 +388,23 @@ void exynos4_sys_powerdown_conf(enum sys_powerdown mode) } } -static int __init exynos4_pmu_init(void) +static int __init exynos_pmu_init(void) { - exynos4_pmu_config = exynos4210_pmu_config; + exynos_pmu_config = exynos4210_pmu_config; if (soc_is_exynos4210()) { - exynos4_pmu_config = exynos4210_pmu_config; + exynos_pmu_config = exynos4210_pmu_config; pr_info("EXYNOS4210 PMU Initialize\n"); } else if (soc_is_exynos4212() || soc_is_exynos4412()) { - exynos4_pmu_config = exynos4x12_pmu_config; + exynos_pmu_config = exynos4x12_pmu_config; pr_info("EXYNOS4x12 PMU Initialize\n"); + } else if (soc_is_exynos5250()) { + exynos_pmu_config = exynos5250_pmu_config; + pr_info("EXYNOS5250 PMU Initialize\n"); } else { - pr_info("EXYNOS4: PMU not supported\n"); + pr_info("EXYNOS: PMU not supported\n"); } return 0; } -arch_initcall(exynos4_pmu_init); +arch_initcall(exynos_pmu_init); diff --git a/arch/arm/mach-imx/imx27-dt.c b/arch/arm/mach-imx/imx27-dt.c index ed38d03c61f..eee0cc8d92a 100644 --- a/arch/arm/mach-imx/imx27-dt.c +++ b/arch/arm/mach-imx/imx27-dt.c @@ -29,6 +29,7 @@ static const struct of_dev_auxdata imx27_auxdata_lookup[] __initconst = { OF_DEV_AUXDATA("fsl,imx27-cspi", MX27_CSPI2_BASE_ADDR, "imx27-cspi.1", NULL), OF_DEV_AUXDATA("fsl,imx27-cspi", MX27_CSPI3_BASE_ADDR, "imx27-cspi.2", NULL), OF_DEV_AUXDATA("fsl,imx27-wdt", MX27_WDOG_BASE_ADDR, "imx2-wdt.0", NULL), + OF_DEV_AUXDATA("fsl,imx27-nand", MX27_NFC_BASE_ADDR, "mxc_nand.0", NULL), { /* sentinel */ } }; diff --git a/arch/arm/mach-ixp4xx/common.c b/arch/arm/mach-ixp4xx/common.c index ebbd7fc90eb..a9f80943d01 100644 --- a/arch/arm/mach-ixp4xx/common.c +++ b/arch/arm/mach-ixp4xx/common.c @@ -28,6 +28,7 @@ #include <linux/clockchips.h> #include <linux/io.h> #include <linux/export.h> +#include <linux/gpio.h> #include <mach/udc.h> #include <mach/hardware.h> @@ -107,7 +108,7 @@ static signed char irq2gpio[32] = { 7, 8, 9, 10, 11, 12, -1, -1, }; -int gpio_to_irq(int gpio) +static int ixp4xx_gpio_to_irq(struct gpio_chip *chip, unsigned gpio) { int irq; @@ -117,7 +118,6 @@ int gpio_to_irq(int gpio) } return -EINVAL; } -EXPORT_SYMBOL(gpio_to_irq); int irq_to_gpio(unsigned int irq) { @@ -383,12 +383,56 @@ static struct platform_device *ixp46x_devices[] __initdata = { unsigned long ixp4xx_exp_bus_size; EXPORT_SYMBOL(ixp4xx_exp_bus_size); +static int ixp4xx_gpio_direction_input(struct gpio_chip *chip, unsigned gpio) +{ + gpio_line_config(gpio, IXP4XX_GPIO_IN); + + return 0; +} + +static int ixp4xx_gpio_direction_output(struct gpio_chip *chip, unsigned gpio, + int level) +{ + gpio_line_set(gpio, level); + gpio_line_config(gpio, IXP4XX_GPIO_OUT); + + return 0; +} + +static int ixp4xx_gpio_get_value(struct gpio_chip *chip, unsigned gpio) +{ + int value; + + gpio_line_get(gpio, &value); + + return value; +} + +static void ixp4xx_gpio_set_value(struct gpio_chip *chip, unsigned gpio, + int value) +{ + gpio_line_set(gpio, value); +} + +static struct gpio_chip ixp4xx_gpio_chip = { + .label = "IXP4XX_GPIO_CHIP", + .direction_input = ixp4xx_gpio_direction_input, + .direction_output = ixp4xx_gpio_direction_output, + .get = ixp4xx_gpio_get_value, + .set = ixp4xx_gpio_set_value, + .to_irq = ixp4xx_gpio_to_irq, + .base = 0, + .ngpio = 16, +}; + void __init ixp4xx_sys_init(void) { ixp4xx_exp_bus_size = SZ_16M; platform_add_devices(ixp4xx_devices, ARRAY_SIZE(ixp4xx_devices)); + gpiochip_add(&ixp4xx_gpio_chip); + if (cpu_is_ixp46x()) { int region; diff --git a/arch/arm/mach-ixp4xx/include/mach/gpio.h b/arch/arm/mach-ixp4xx/include/mach/gpio.h index 83d6b4ed60b..ef37f2635b0 100644 --- a/arch/arm/mach-ixp4xx/include/mach/gpio.h +++ b/arch/arm/mach-ixp4xx/include/mach/gpio.h @@ -1,79 +1,2 @@ -/* - * arch/arm/mach-ixp4xx/include/mach/gpio.h - * - * IXP4XX GPIO wrappers for arch-neutral GPIO calls - * - * Written by Milan Svoboda <msvoboda@ra.rockwell.com> - * Based on PXA implementation by Philipp Zabel <philipp.zabel@gmail.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - */ - -#ifndef __ASM_ARCH_IXP4XX_GPIO_H -#define __ASM_ARCH_IXP4XX_GPIO_H - -#include <linux/kernel.h> -#include <mach/hardware.h> - -#define __ARM_GPIOLIB_COMPLEX - -static inline int gpio_request(unsigned gpio, const char *label) -{ - return 0; -} - -static inline void gpio_free(unsigned gpio) -{ - might_sleep(); - - return; -} - -static inline int gpio_direction_input(unsigned gpio) -{ - gpio_line_config(gpio, IXP4XX_GPIO_IN); - return 0; -} - -static inline int gpio_direction_output(unsigned gpio, int level) -{ - gpio_line_set(gpio, level); - gpio_line_config(gpio, IXP4XX_GPIO_OUT); - return 0; -} - -static inline int gpio_get_value(unsigned gpio) -{ - int value; - - gpio_line_get(gpio, &value); - - return value; -} - -static inline void gpio_set_value(unsigned gpio, int value) -{ - gpio_line_set(gpio, value); -} - -#include <asm-generic/gpio.h> /* cansleep wrappers */ - -extern int gpio_to_irq(int gpio); -#define gpio_to_irq gpio_to_irq -extern int irq_to_gpio(unsigned int irq); - -#endif +/* empty */ diff --git a/arch/arm/mach-ixp4xx/ixdp425-setup.c b/arch/arm/mach-ixp4xx/ixdp425-setup.c index 3d742aee177..108a9d3f382 100644 --- a/arch/arm/mach-ixp4xx/ixdp425-setup.c +++ b/arch/arm/mach-ixp4xx/ixdp425-setup.c @@ -60,8 +60,6 @@ static struct platform_device ixdp425_flash = { #if defined(CONFIG_MTD_NAND_PLATFORM) || \ defined(CONFIG_MTD_NAND_PLATFORM_MODULE) -const char *part_probes[] = { "cmdlinepart", NULL }; - static struct mtd_partition ixdp425_partitions[] = { { .name = "ixp400 NAND FS 0", @@ -100,8 +98,6 @@ static struct platform_nand_data ixdp425_flash_nand_data = { .chip = { .nr_chips = 1, .chip_delay = 30, - .options = NAND_NO_AUTOINCR, - .part_probe_types = part_probes, .partitions = ixdp425_partitions, .nr_partitions = ARRAY_SIZE(ixdp425_partitions), }, diff --git a/arch/arm/mach-nomadik/board-nhk8815.c b/arch/arm/mach-nomadik/board-nhk8815.c index 58cacafcf66..2e8d3e176bc 100644 --- a/arch/arm/mach-nomadik/board-nhk8815.c +++ b/arch/arm/mach-nomadik/board-nhk8815.c @@ -111,7 +111,7 @@ static struct nomadik_nand_platform_data nhk8815_nand_data = { .parts = nhk8815_partitions, .nparts = ARRAY_SIZE(nhk8815_partitions), .options = NAND_COPYBACK | NAND_CACHEPRG | NAND_NO_PADDING \ - | NAND_NO_READRDY | NAND_NO_AUTOINCR, + | NAND_NO_READRDY, .init = nhk8815_nand_init, }; diff --git a/arch/arm/mach-omap1/board-fsample.c b/arch/arm/mach-omap1/board-fsample.c index c7364fdbda0..6872f3fd400 100644 --- a/arch/arm/mach-omap1/board-fsample.c +++ b/arch/arm/mach-omap1/board-fsample.c @@ -192,14 +192,11 @@ static int nand_dev_ready(struct mtd_info *mtd) return gpio_get_value(FSAMPLE_NAND_RB_GPIO_PIN); } -static const char *part_probes[] = { "cmdlinepart", NULL }; - static struct platform_nand_data nand_data = { .chip = { .nr_chips = 1, .chip_offset = 0, .options = NAND_SAMSUNG_LP_OPTIONS, - .part_probe_types = part_probes, }, .ctrl = { .cmd_ctrl = omap1_nand_cmd_ctl, diff --git a/arch/arm/mach-omap1/board-h2.c b/arch/arm/mach-omap1/board-h2.c index 7e503686f7a..a28e989a63f 100644 --- a/arch/arm/mach-omap1/board-h2.c +++ b/arch/arm/mach-omap1/board-h2.c @@ -186,8 +186,6 @@ static int h2_nand_dev_ready(struct mtd_info *mtd) return gpio_get_value(H2_NAND_RB_GPIO_PIN); } -static const char *h2_part_probes[] = { "cmdlinepart", NULL }; - static struct platform_nand_data h2_nand_platdata = { .chip = { .nr_chips = 1, @@ -195,7 +193,6 @@ static struct platform_nand_data h2_nand_platdata = { .nr_partitions = ARRAY_SIZE(h2_nand_partitions), .partitions = h2_nand_partitions, .options = NAND_SAMSUNG_LP_OPTIONS, - .part_probe_types = h2_part_probes, }, .ctrl = { .cmd_ctrl = omap1_nand_cmd_ctl, diff --git a/arch/arm/mach-omap1/board-h3.c b/arch/arm/mach-omap1/board-h3.c index 9fb03f189d9..108a8640fc6 100644 --- a/arch/arm/mach-omap1/board-h3.c +++ b/arch/arm/mach-omap1/board-h3.c @@ -188,8 +188,6 @@ static int nand_dev_ready(struct mtd_info *mtd) return gpio_get_value(H3_NAND_RB_GPIO_PIN); } -static const char *part_probes[] = { "cmdlinepart", NULL }; - static struct platform_nand_data nand_platdata = { .chip = { .nr_chips = 1, @@ -197,7 +195,6 @@ static struct platform_nand_data nand_platdata = { .nr_partitions = ARRAY_SIZE(nand_partitions), .partitions = nand_partitions, .options = NAND_SAMSUNG_LP_OPTIONS, - .part_probe_types = part_probes, }, .ctrl = { .cmd_ctrl = omap1_nand_cmd_ctl, diff --git a/arch/arm/mach-omap1/board-perseus2.c b/arch/arm/mach-omap1/board-perseus2.c index f2cb24387c2..703d55ecffe 100644 --- a/arch/arm/mach-omap1/board-perseus2.c +++ b/arch/arm/mach-omap1/board-perseus2.c @@ -150,14 +150,11 @@ static int nand_dev_ready(struct mtd_info *mtd) return gpio_get_value(P2_NAND_RB_GPIO_PIN); } -static const char *part_probes[] = { "cmdlinepart", NULL }; - static struct platform_nand_data nand_data = { .chip = { .nr_chips = 1, .chip_offset = 0, .options = NAND_SAMSUNG_LP_OPTIONS, - .part_probe_types = part_probes, }, .ctrl = { .cmd_ctrl = omap1_nand_cmd_ctl, diff --git a/arch/arm/mach-omap2/display.c b/arch/arm/mach-omap2/display.c index db5a88a36c6..54d49ddb9b8 100644 --- a/arch/arm/mach-omap2/display.c +++ b/arch/arm/mach-omap2/display.c @@ -180,16 +180,133 @@ static void omap_dsi_disable_pads(int dsi_id, unsigned lane_mask) omap4_dsi_mux_pads(dsi_id, 0); } +static int omap_dss_set_min_bus_tput(struct device *dev, unsigned long tput) +{ + return omap_pm_set_min_bus_tput(dev, OCP_INITIATOR_AGENT, tput); +} + +static struct platform_device *create_dss_pdev(const char *pdev_name, + int pdev_id, const char *oh_name, void *pdata, int pdata_len, + struct platform_device *parent) +{ + struct platform_device *pdev; + struct omap_device *od; + struct omap_hwmod *ohs[1]; + struct omap_hwmod *oh; + int r; + + oh = omap_hwmod_lookup(oh_name); + if (!oh) { + pr_err("Could not look up %s\n", oh_name); + r = -ENODEV; + goto err; + } + + pdev = platform_device_alloc(pdev_name, pdev_id); + if (!pdev) { + pr_err("Could not create pdev for %s\n", pdev_name); + r = -ENOMEM; + goto err; + } + + if (parent != NULL) + pdev->dev.parent = &parent->dev; + + if (pdev->id != -1) + dev_set_name(&pdev->dev, "%s.%d", pdev->name, pdev->id); + else + dev_set_name(&pdev->dev, "%s", pdev->name); + + ohs[0] = oh; + od = omap_device_alloc(pdev, ohs, 1, NULL, 0); + if (!od) { + pr_err("Could not alloc omap_device for %s\n", pdev_name); + r = -ENOMEM; + goto err; + } + + r = platform_device_add_data(pdev, pdata, pdata_len); + if (r) { + pr_err("Could not set pdata for %s\n", pdev_name); + goto err; + } + + r = omap_device_register(pdev); + if (r) { + pr_err("Could not register omap_device for %s\n", pdev_name); + goto err; + } + + return pdev; + +err: + return ERR_PTR(r); +} + +static struct platform_device *create_simple_dss_pdev(const char *pdev_name, + int pdev_id, void *pdata, int pdata_len, + struct platform_device *parent) +{ + struct platform_device *pdev; + int r; + + pdev = platform_device_alloc(pdev_name, pdev_id); + if (!pdev) { + pr_err("Could not create pdev for %s\n", pdev_name); + r = -ENOMEM; + goto err; + } + + if (parent != NULL) + pdev->dev.parent = &parent->dev; + + if (pdev->id != -1) + dev_set_name(&pdev->dev, "%s.%d", pdev->name, pdev->id); + else + dev_set_name(&pdev->dev, "%s", pdev->name); + + r = platform_device_add_data(pdev, pdata, pdata_len); + if (r) { + pr_err("Could not set pdata for %s\n", pdev_name); + goto err; + } + + r = omap_device_register(pdev); + if (r) { + pr_err("Could not register omap_device for %s\n", pdev_name); + goto err; + } + + return pdev; + +err: + return ERR_PTR(r); +} + int __init omap_display_init(struct omap_dss_board_info *board_data) { int r = 0; - struct omap_hwmod *oh; struct platform_device *pdev; int i, oh_count; - struct omap_display_platform_data pdata; const struct omap_dss_hwmod_data *curr_dss_hwmod; + struct platform_device *dss_pdev; + + /* create omapdss device */ + + board_data->dsi_enable_pads = omap_dsi_enable_pads; + board_data->dsi_disable_pads = omap_dsi_disable_pads; + board_data->get_context_loss_count = omap_pm_get_dev_context_loss_count; + board_data->set_min_bus_tput = omap_dss_set_min_bus_tput; + + omap_display_device.dev.platform_data = board_data; + + r = platform_device_register(&omap_display_device); + if (r < 0) { + pr_err("Unable to register omapdss device\n"); + return r; + } - memset(&pdata, 0, sizeof(pdata)); + /* create devices for dss hwmods */ if (cpu_is_omap24xx()) { curr_dss_hwmod = omap2_dss_hwmod_data; @@ -202,39 +319,58 @@ int __init omap_display_init(struct omap_dss_board_info *board_data) oh_count = ARRAY_SIZE(omap4_dss_hwmod_data); } - if (board_data->dsi_enable_pads == NULL) - board_data->dsi_enable_pads = omap_dsi_enable_pads; - if (board_data->dsi_disable_pads == NULL) - board_data->dsi_disable_pads = omap_dsi_disable_pads; - - pdata.board_data = board_data; - pdata.board_data->get_context_loss_count = - omap_pm_get_dev_context_loss_count; - - for (i = 0; i < oh_count; i++) { - oh = omap_hwmod_lookup(curr_dss_hwmod[i].oh_name); - if (!oh) { - pr_err("Could not look up %s\n", - curr_dss_hwmod[i].oh_name); - return -ENODEV; + /* + * First create the pdev for dss_core, which is used as a parent device + * by the other dss pdevs. Note: dss_core has to be the first item in + * the hwmod list. + */ + dss_pdev = create_dss_pdev(curr_dss_hwmod[0].dev_name, + curr_dss_hwmod[0].id, + curr_dss_hwmod[0].oh_name, + board_data, sizeof(*board_data), + NULL); + + if (IS_ERR(dss_pdev)) { + pr_err("Could not build omap_device for %s\n", + curr_dss_hwmod[0].oh_name); + + return PTR_ERR(dss_pdev); + } + + for (i = 1; i < oh_count; i++) { + pdev = create_dss_pdev(curr_dss_hwmod[i].dev_name, + curr_dss_hwmod[i].id, + curr_dss_hwmod[i].oh_name, + board_data, sizeof(*board_data), + dss_pdev); + + if (IS_ERR(pdev)) { + pr_err("Could not build omap_device for %s\n", + curr_dss_hwmod[i].oh_name); + + return PTR_ERR(pdev); } + } - pdev = omap_device_build(curr_dss_hwmod[i].dev_name, - curr_dss_hwmod[i].id, oh, &pdata, - sizeof(struct omap_display_platform_data), - NULL, 0, 0); + /* Create devices for DPI and SDI */ - if (WARN((IS_ERR(pdev)), "Could not build omap_device for %s\n", - curr_dss_hwmod[i].oh_name)) - return -ENODEV; + pdev = create_simple_dss_pdev("omapdss_dpi", -1, + board_data, sizeof(*board_data), dss_pdev); + if (IS_ERR(pdev)) { + pr_err("Could not build platform_device for omapdss_dpi\n"); + return PTR_ERR(pdev); } - omap_display_device.dev.platform_data = board_data; - r = platform_device_register(&omap_display_device); - if (r < 0) - printk(KERN_ERR "Unable to register OMAP-Display device\n"); + if (cpu_is_omap34xx()) { + pdev = create_simple_dss_pdev("omapdss_sdi", -1, + board_data, sizeof(*board_data), dss_pdev); + if (IS_ERR(pdev)) { + pr_err("Could not build platform_device for omapdss_sdi\n"); + return PTR_ERR(pdev); + } + } - return r; + return 0; } static void dispc_disable_outputs(void) diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c index 46b09dae770..2286410671e 100644 --- a/arch/arm/mach-omap2/gpmc.c +++ b/arch/arm/mach-omap2/gpmc.c @@ -49,6 +49,7 @@ #define GPMC_ECC_CONTROL 0x1f8 #define GPMC_ECC_SIZE_CONFIG 0x1fc #define GPMC_ECC1_RESULT 0x200 +#define GPMC_ECC_BCH_RESULT_0 0x240 /* not available on OMAP2 */ /* GPMC ECC control settings */ #define GPMC_ECC_CTRL_ECCCLEAR 0x100 @@ -935,3 +936,186 @@ int gpmc_calculate_ecc(int cs, const u_char *dat, u_char *ecc_code) return 0; } EXPORT_SYMBOL_GPL(gpmc_calculate_ecc); + +#ifdef CONFIG_ARCH_OMAP3 + +/** + * gpmc_init_hwecc_bch - initialize hardware BCH ecc functionality + * @cs: chip select number + * @nsectors: how many 512-byte sectors to process + * @nerrors: how many errors to correct per sector (4 or 8) + * + * This function must be executed before any call to gpmc_enable_hwecc_bch. + */ +int gpmc_init_hwecc_bch(int cs, int nsectors, int nerrors) +{ + /* check if ecc module is in use */ + if (gpmc_ecc_used != -EINVAL) + return -EINVAL; + + /* support only OMAP3 class */ + if (!cpu_is_omap34xx()) { + printk(KERN_ERR "BCH ecc is not supported on this CPU\n"); + return -EINVAL; + } + + /* + * For now, assume 4-bit mode is only supported on OMAP3630 ES1.x, x>=1. + * Other chips may be added if confirmed to work. + */ + if ((nerrors == 4) && + (!cpu_is_omap3630() || (GET_OMAP_REVISION() == 0))) { + printk(KERN_ERR "BCH 4-bit mode is not supported on this CPU\n"); + return -EINVAL; + } + + /* sanity check */ + if (nsectors > 8) { + printk(KERN_ERR "BCH cannot process %d sectors (max is 8)\n", + nsectors); + return -EINVAL; + } + + return 0; +} +EXPORT_SYMBOL_GPL(gpmc_init_hwecc_bch); + +/** + * gpmc_enable_hwecc_bch - enable hardware BCH ecc functionality + * @cs: chip select number + * @mode: read/write mode + * @dev_width: device bus width(1 for x16, 0 for x8) + * @nsectors: how many 512-byte sectors to process + * @nerrors: how many errors to correct per sector (4 or 8) + */ +int gpmc_enable_hwecc_bch(int cs, int mode, int dev_width, int nsectors, + int nerrors) +{ + unsigned int val; + + /* check if ecc module is in use */ + if (gpmc_ecc_used != -EINVAL) + return -EINVAL; + + gpmc_ecc_used = cs; + + /* clear ecc and enable bits */ + gpmc_write_reg(GPMC_ECC_CONTROL, 0x1); + + /* + * When using BCH, sector size is hardcoded to 512 bytes. + * Here we are using wrapping mode 6 both for reading and writing, with: + * size0 = 0 (no additional protected byte in spare area) + * size1 = 32 (skip 32 nibbles = 16 bytes per sector in spare area) + */ + gpmc_write_reg(GPMC_ECC_SIZE_CONFIG, (32 << 22) | (0 << 12)); + + /* BCH configuration */ + val = ((1 << 16) | /* enable BCH */ + (((nerrors == 8) ? 1 : 0) << 12) | /* 8 or 4 bits */ + (0x06 << 8) | /* wrap mode = 6 */ + (dev_width << 7) | /* bus width */ + (((nsectors-1) & 0x7) << 4) | /* number of sectors */ + (cs << 1) | /* ECC CS */ + (0x1)); /* enable ECC */ + + gpmc_write_reg(GPMC_ECC_CONFIG, val); + gpmc_write_reg(GPMC_ECC_CONTROL, 0x101); + return 0; +} +EXPORT_SYMBOL_GPL(gpmc_enable_hwecc_bch); + +/** + * gpmc_calculate_ecc_bch4 - Generate 7 ecc bytes per sector of 512 data bytes + * @cs: chip select number + * @dat: The pointer to data on which ecc is computed + * @ecc: The ecc output buffer + */ +int gpmc_calculate_ecc_bch4(int cs, const u_char *dat, u_char *ecc) +{ + int i; + unsigned long nsectors, reg, val1, val2; + + if (gpmc_ecc_used != cs) + return -EINVAL; + + nsectors = ((gpmc_read_reg(GPMC_ECC_CONFIG) >> 4) & 0x7) + 1; + + for (i = 0; i < nsectors; i++) { + + reg = GPMC_ECC_BCH_RESULT_0 + 16*i; + + /* Read hw-computed remainder */ + val1 = gpmc_read_reg(reg + 0); + val2 = gpmc_read_reg(reg + 4); + + /* + * Add constant polynomial to remainder, in order to get an ecc + * sequence of 0xFFs for a buffer filled with 0xFFs; and + * left-justify the resulting polynomial. + */ + *ecc++ = 0x28 ^ ((val2 >> 12) & 0xFF); + *ecc++ = 0x13 ^ ((val2 >> 4) & 0xFF); + *ecc++ = 0xcc ^ (((val2 & 0xF) << 4)|((val1 >> 28) & 0xF)); + *ecc++ = 0x39 ^ ((val1 >> 20) & 0xFF); + *ecc++ = 0x96 ^ ((val1 >> 12) & 0xFF); + *ecc++ = 0xac ^ ((val1 >> 4) & 0xFF); + *ecc++ = 0x7f ^ ((val1 & 0xF) << 4); + } + + gpmc_ecc_used = -EINVAL; + return 0; +} +EXPORT_SYMBOL_GPL(gpmc_calculate_ecc_bch4); + +/** + * gpmc_calculate_ecc_bch8 - Generate 13 ecc bytes per block of 512 data bytes + * @cs: chip select number + * @dat: The pointer to data on which ecc is computed + * @ecc: The ecc output buffer + */ +int gpmc_calculate_ecc_bch8(int cs, const u_char *dat, u_char *ecc) +{ + int i; + unsigned long nsectors, reg, val1, val2, val3, val4; + + if (gpmc_ecc_used != cs) + return -EINVAL; + + nsectors = ((gpmc_read_reg(GPMC_ECC_CONFIG) >> 4) & 0x7) + 1; + + for (i = 0; i < nsectors; i++) { + + reg = GPMC_ECC_BCH_RESULT_0 + 16*i; + + /* Read hw-computed remainder */ + val1 = gpmc_read_reg(reg + 0); + val2 = gpmc_read_reg(reg + 4); + val3 = gpmc_read_reg(reg + 8); + val4 = gpmc_read_reg(reg + 12); + + /* + * Add constant polynomial to remainder, in order to get an ecc + * sequence of 0xFFs for a buffer filled with 0xFFs. + */ + *ecc++ = 0xef ^ (val4 & 0xFF); + *ecc++ = 0x51 ^ ((val3 >> 24) & 0xFF); + *ecc++ = 0x2e ^ ((val3 >> 16) & 0xFF); + *ecc++ = 0x09 ^ ((val3 >> 8) & 0xFF); + *ecc++ = 0xed ^ (val3 & 0xFF); + *ecc++ = 0x93 ^ ((val2 >> 24) & 0xFF); + *ecc++ = 0x9a ^ ((val2 >> 16) & 0xFF); + *ecc++ = 0xc2 ^ ((val2 >> 8) & 0xFF); + *ecc++ = 0x97 ^ (val2 & 0xFF); + *ecc++ = 0x79 ^ ((val1 >> 24) & 0xFF); + *ecc++ = 0xe5 ^ ((val1 >> 16) & 0xFF); + *ecc++ = 0x24 ^ ((val1 >> 8) & 0xFF); + *ecc++ = 0xb5 ^ (val1 & 0xFF); + } + + gpmc_ecc_used = -EINVAL; + return 0; +} +EXPORT_SYMBOL_GPL(gpmc_calculate_ecc_bch8); + +#endif /* CONFIG_ARCH_OMAP3 */ diff --git a/arch/arm/mach-orion5x/ts78xx-setup.c b/arch/arm/mach-orion5x/ts78xx-setup.c index a74f3cf54cc..b4203277f3c 100644 --- a/arch/arm/mach-orion5x/ts78xx-setup.c +++ b/arch/arm/mach-orion5x/ts78xx-setup.c @@ -251,8 +251,6 @@ static void ts78xx_ts_nand_read_buf(struct mtd_info *mtd, readsb(io_base, buf, len); } -const char *ts_nand_part_probes[] = { "cmdlinepart", NULL }; - static struct mtd_partition ts78xx_ts_nand_parts[] = { { .name = "mbr", @@ -277,7 +275,6 @@ static struct mtd_partition ts78xx_ts_nand_parts[] = { static struct platform_nand_data ts78xx_ts_nand_data = { .chip = { .nr_chips = 1, - .part_probe_types = ts_nand_part_probes, .partitions = ts78xx_ts_nand_parts, .nr_partitions = ARRAY_SIZE(ts78xx_ts_nand_parts), .chip_delay = 15, diff --git a/arch/arm/mach-pxa/balloon3.c b/arch/arm/mach-pxa/balloon3.c index 56e8cebeb7d..9244493dbcb 100644 --- a/arch/arm/mach-pxa/balloon3.c +++ b/arch/arm/mach-pxa/balloon3.c @@ -679,8 +679,6 @@ static struct mtd_partition balloon3_partition_info[] = { }, }; -static const char *balloon3_part_probes[] = { "cmdlinepart", NULL }; - struct platform_nand_data balloon3_nand_pdata = { .chip = { .nr_chips = 4, @@ -688,7 +686,6 @@ struct platform_nand_data balloon3_nand_pdata = { .nr_partitions = ARRAY_SIZE(balloon3_partition_info), .partitions = balloon3_partition_info, .chip_delay = 50, - .part_probe_types = balloon3_part_probes, }, .ctrl = { .hwcontrol = 0, diff --git a/arch/arm/mach-pxa/em-x270.c b/arch/arm/mach-pxa/em-x270.c index a3a4a38d497..97f82ad341b 100644 --- a/arch/arm/mach-pxa/em-x270.c +++ b/arch/arm/mach-pxa/em-x270.c @@ -338,8 +338,6 @@ static struct mtd_partition em_x270_partition_info[] = { }, }; -static const char *em_x270_part_probes[] = { "cmdlinepart", NULL }; - struct platform_nand_data em_x270_nand_platdata = { .chip = { .nr_chips = 1, @@ -347,7 +345,6 @@ struct platform_nand_data em_x270_nand_platdata = { .nr_partitions = ARRAY_SIZE(em_x270_partition_info), .partitions = em_x270_partition_info, .chip_delay = 20, - .part_probe_types = em_x270_part_probes, }, .ctrl = { .hwcontrol = 0, diff --git a/arch/arm/mach-pxa/palmtx.c b/arch/arm/mach-pxa/palmtx.c index 9507605ed54..0da35dccfd8 100644 --- a/arch/arm/mach-pxa/palmtx.c +++ b/arch/arm/mach-pxa/palmtx.c @@ -268,8 +268,6 @@ static struct mtd_partition palmtx_partition_info[] = { }, }; -static const char *palmtx_part_probes[] = { "cmdlinepart", NULL }; - struct platform_nand_data palmtx_nand_platdata = { .chip = { .nr_chips = 1, @@ -277,7 +275,6 @@ struct platform_nand_data palmtx_nand_platdata = { .nr_partitions = ARRAY_SIZE(palmtx_partition_info), .partitions = palmtx_partition_info, .chip_delay = 20, - .part_probe_types = palmtx_part_probes, }, .ctrl = { .cmd_ctrl = palmtx_nand_cmd_ctl, diff --git a/arch/arm/mach-s3c24xx/include/mach/irqs.h b/arch/arm/mach-s3c24xx/include/mach/irqs.h index e53b2177319..b7a9f4d469e 100644 --- a/arch/arm/mach-s3c24xx/include/mach/irqs.h +++ b/arch/arm/mach-s3c24xx/include/mach/irqs.h @@ -134,6 +134,17 @@ #define IRQ_S32416_WDT S3C2410_IRQSUB(27) #define IRQ_S32416_AC97 S3C2410_IRQSUB(28) +/* second interrupt-register of s3c2416/s3c2450 */ + +#define S3C2416_IRQ(x) S3C2410_IRQ((x) + 54 + 29) +#define IRQ_S3C2416_2D S3C2416_IRQ(0) +#define IRQ_S3C2416_IIC1 S3C2416_IRQ(1) +#define IRQ_S3C2416_RESERVED2 S3C2416_IRQ(2) +#define IRQ_S3C2416_RESERVED3 S3C2416_IRQ(3) +#define IRQ_S3C2416_PCM0 S3C2416_IRQ(4) +#define IRQ_S3C2416_PCM1 S3C2416_IRQ(5) +#define IRQ_S3C2416_I2S0 S3C2416_IRQ(6) +#define IRQ_S3C2416_I2S1 S3C2416_IRQ(7) /* extra irqs for s3c2440 */ @@ -175,7 +186,9 @@ #define IRQ_S3C2443_WDT S3C2410_IRQSUB(27) #define IRQ_S3C2443_AC97 S3C2410_IRQSUB(28) -#if defined(CONFIG_CPU_S3C2443) || defined(CONFIG_CPU_S3C2416) +#if defined(CONFIG_CPU_S3C2416) +#define NR_IRQS (IRQ_S3C2416_I2S1 + 1) +#elif defined(CONFIG_CPU_S3C2443) #define NR_IRQS (IRQ_S3C2443_AC97+1) #else #define NR_IRQS (IRQ_S3C2440_AC97+1) diff --git a/arch/arm/mach-s3c24xx/irq-s3c2416.c b/arch/arm/mach-s3c24xx/irq-s3c2416.c index fd49f35e448..23ec97370f3 100644 --- a/arch/arm/mach-s3c24xx/irq-s3c2416.c +++ b/arch/arm/mach-s3c24xx/irq-s3c2416.c @@ -27,6 +27,7 @@ #include <linux/ioport.h> #include <linux/device.h> #include <linux/io.h> +#include <linux/syscore_ops.h> #include <mach/hardware.h> #include <asm/irq.h> @@ -192,6 +193,43 @@ static struct irq_chip s3c2416_irq_uart3 = { .irq_ack = s3c2416_irq_uart3_ack, }; +/* second interrupt register */ + +static inline void s3c2416_irq_ack_second(struct irq_data *data) +{ + unsigned long bitval = 1UL << (data->irq - IRQ_S3C2416_2D); + + __raw_writel(bitval, S3C2416_SRCPND2); + __raw_writel(bitval, S3C2416_INTPND2); +} + +static void s3c2416_irq_mask_second(struct irq_data *data) +{ + unsigned long bitval = 1UL << (data->irq - IRQ_S3C2416_2D); + unsigned long mask; + + mask = __raw_readl(S3C2416_INTMSK2); + mask |= bitval; + __raw_writel(mask, S3C2416_INTMSK2); +} + +static void s3c2416_irq_unmask_second(struct irq_data *data) +{ + unsigned long bitval = 1UL << (data->irq - IRQ_S3C2416_2D); + unsigned long mask; + + mask = __raw_readl(S3C2416_INTMSK2); + mask &= ~bitval; + __raw_writel(mask, S3C2416_INTMSK2); +} + +struct irq_chip s3c2416_irq_second = { + .irq_ack = s3c2416_irq_ack_second, + .irq_mask = s3c2416_irq_mask_second, + .irq_unmask = s3c2416_irq_unmask_second, +}; + + /* IRQ initialisation code */ static int __init s3c2416_add_sub(unsigned int base, @@ -213,6 +251,42 @@ static int __init s3c2416_add_sub(unsigned int base, return 0; } +static void __init s3c2416_irq_add_second(void) +{ + unsigned long pend; + unsigned long last; + int irqno; + int i; + + /* first, clear all interrupts pending... */ + last = 0; + for (i = 0; i < 4; i++) { + pend = __raw_readl(S3C2416_INTPND2); + + if (pend == 0 || pend == last) + break; + + __raw_writel(pend, S3C2416_SRCPND2); + __raw_writel(pend, S3C2416_INTPND2); + printk(KERN_INFO "irq: clearing pending status %08x\n", + (int)pend); + last = pend; + } + + for (irqno = IRQ_S3C2416_2D; irqno <= IRQ_S3C2416_I2S1; irqno++) { + switch (irqno) { + case IRQ_S3C2416_RESERVED2: + case IRQ_S3C2416_RESERVED3: + /* no IRQ here */ + break; + default: + irq_set_chip_and_handler(irqno, &s3c2416_irq_second, + handle_edge_irq); + set_irq_flags(irqno, IRQF_VALID); + } + } +} + static int __init s3c2416_irq_add(struct device *dev, struct subsys_interface *sif) { @@ -232,6 +306,8 @@ static int __init s3c2416_irq_add(struct device *dev, &s3c2416_irq_wdtac97, IRQ_S3C2443_WDT, IRQ_S3C2443_AC97); + s3c2416_irq_add_second(); + return 0; } @@ -248,3 +324,25 @@ static int __init s3c2416_irq_init(void) arch_initcall(s3c2416_irq_init); +#ifdef CONFIG_PM +static struct sleep_save irq_save[] = { + SAVE_ITEM(S3C2416_INTMSK2), +}; + +int s3c2416_irq_suspend(void) +{ + s3c_pm_do_save(irq_save, ARRAY_SIZE(irq_save)); + + return 0; +} + +void s3c2416_irq_resume(void) +{ + s3c_pm_do_restore(irq_save, ARRAY_SIZE(irq_save)); +} + +struct syscore_ops s3c2416_irq_syscore_ops = { + .suspend = s3c2416_irq_suspend, + .resume = s3c2416_irq_resume, +}; +#endif diff --git a/arch/arm/mach-s3c24xx/mach-smdk2416.c b/arch/arm/mach-s3c24xx/mach-smdk2416.c index 30a44f806e0..c3100a044fb 100644 --- a/arch/arm/mach-s3c24xx/mach-smdk2416.c +++ b/arch/arm/mach-s3c24xx/mach-smdk2416.c @@ -148,23 +148,25 @@ static struct s3c24xx_hsudc_platdata smdk2416_hsudc_platdata = { static struct s3c_fb_pd_win smdk2416_fb_win[] = { [0] = { - /* think this is the same as the smdk6410 */ - .win_mode = { - .pixclock = 41094, - .left_margin = 8, - .right_margin = 13, - .upper_margin = 7, - .lower_margin = 5, - .hsync_len = 3, - .vsync_len = 1, - .xres = 800, - .yres = 480, - }, .default_bpp = 16, .max_bpp = 32, + .xres = 800, + .yres = 480, }, }; +static struct fb_videomode smdk2416_lcd_timing = { + .pixclock = 41094, + .left_margin = 8, + .right_margin = 13, + .upper_margin = 7, + .lower_margin = 5, + .hsync_len = 3, + .vsync_len = 1, + .xres = 800, + .yres = 480, +}; + static void s3c2416_fb_gpio_setup_24bpp(void) { unsigned int gpio; @@ -187,6 +189,7 @@ static void s3c2416_fb_gpio_setup_24bpp(void) static struct s3c_fb_platdata smdk2416_fb_platdata = { .win[0] = &smdk2416_fb_win[0], + .vtiming = &smdk2416_lcd_timing, .setup_gpio = s3c2416_fb_gpio_setup_24bpp, .vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB, .vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC, diff --git a/arch/arm/mach-s3c24xx/s3c2416.c b/arch/arm/mach-s3c24xx/s3c2416.c index 7743fade50d..ed5a95ece9e 100644 --- a/arch/arm/mach-s3c24xx/s3c2416.c +++ b/arch/arm/mach-s3c24xx/s3c2416.c @@ -106,6 +106,7 @@ int __init s3c2416_init(void) register_syscore_ops(&s3c2416_pm_syscore_ops); #endif register_syscore_ops(&s3c24xx_irq_syscore_ops); + register_syscore_ops(&s3c2416_irq_syscore_ops); return device_register(&s3c2416_dev); } diff --git a/arch/arm/mach-s3c64xx/cpuidle.c b/arch/arm/mach-s3c64xx/cpuidle.c index 179460f38db..acb197ccf3f 100644 --- a/arch/arm/mach-s3c64xx/cpuidle.c +++ b/arch/arm/mach-s3c64xx/cpuidle.c @@ -27,12 +27,7 @@ static int s3c64xx_enter_idle(struct cpuidle_device *dev, struct cpuidle_driver *drv, int index) { - struct timeval before, after; unsigned long tmp; - int idle_time; - - local_irq_disable(); - do_gettimeofday(&before); /* Setup PWRCFG to enter idle mode */ tmp = __raw_readl(S3C64XX_PWR_CFG); @@ -42,42 +37,32 @@ static int s3c64xx_enter_idle(struct cpuidle_device *dev, cpu_do_idle(); - do_gettimeofday(&after); - local_irq_enable(); - idle_time = (after.tv_sec - before.tv_sec) * USEC_PER_SEC + - (after.tv_usec - before.tv_usec); - - dev->last_residency = idle_time; return index; } -static struct cpuidle_state s3c64xx_cpuidle_set[] = { - [0] = { - .enter = s3c64xx_enter_idle, - .exit_latency = 1, - .target_residency = 1, - .flags = CPUIDLE_FLAG_TIME_VALID, - .name = "IDLE", - .desc = "System active, ARM gated", - }, -}; +static DEFINE_PER_CPU(struct cpuidle_device, s3c64xx_cpuidle_device); static struct cpuidle_driver s3c64xx_cpuidle_driver = { - .name = "s3c64xx_cpuidle", - .owner = THIS_MODULE, - .state_count = ARRAY_SIZE(s3c64xx_cpuidle_set), -}; - -static struct cpuidle_device s3c64xx_cpuidle_device = { - .state_count = ARRAY_SIZE(s3c64xx_cpuidle_set), + .name = "s3c64xx_cpuidle", + .owner = THIS_MODULE, + .en_core_tk_irqen = 1, + .states = { + { + .enter = s3c64xx_enter_idle, + .exit_latency = 1, + .target_residency = 1, + .flags = CPUIDLE_FLAG_TIME_VALID, + .name = "IDLE", + .desc = "System active, ARM gated", + }, + }, + .state_count = 1, }; static int __init s3c64xx_init_cpuidle(void) { int ret; - memcpy(s3c64xx_cpuidle_driver.states, s3c64xx_cpuidle_set, - sizeof(s3c64xx_cpuidle_set)); cpuidle_register_driver(&s3c64xx_cpuidle_driver); ret = cpuidle_register_device(&s3c64xx_cpuidle_device); diff --git a/arch/arm/mach-s3c64xx/mach-anw6410.c b/arch/arm/mach-s3c64xx/mach-anw6410.c index 314df0518af..ffa29ddfdfc 100644 --- a/arch/arm/mach-s3c64xx/mach-anw6410.c +++ b/arch/arm/mach-s3c64xx/mach-anw6410.c @@ -134,24 +134,27 @@ static struct platform_device anw6410_lcd_powerdev = { }; static struct s3c_fb_pd_win anw6410_fb_win0 = { - /* this is to ensure we use win0 */ - .win_mode = { - .left_margin = 8, - .right_margin = 13, - .upper_margin = 7, - .lower_margin = 5, - .hsync_len = 3, - .vsync_len = 1, - .xres = 800, - .yres = 480, - }, .max_bpp = 32, .default_bpp = 16, + .xres = 800, + .yres = 480, +}; + +static struct fb_videomode anw6410_lcd_timing = { + .left_margin = 8, + .right_margin = 13, + .upper_margin = 7, + .lower_margin = 5, + .hsync_len = 3, + .vsync_len = 1, + .xres = 800, + .yres = 480, }; /* 405566 clocks per frame => 60Hz refresh requires 24333960Hz clock */ static struct s3c_fb_platdata anw6410_lcd_pdata __initdata = { .setup_gpio = s3c64xx_fb_gpio_setup_24bpp, + .vtiming = &anw6410_lcd_timing, .win[0] = &anw6410_fb_win0, .vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB, .vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC, diff --git a/arch/arm/mach-s3c64xx/mach-crag6410-module.c b/arch/arm/mach-s3c64xx/mach-crag6410-module.c index 0ace108c3e3..7a27f5603c7 100644 --- a/arch/arm/mach-s3c64xx/mach-crag6410-module.c +++ b/arch/arm/mach-s3c64xx/mach-crag6410-module.c @@ -182,6 +182,11 @@ static const struct i2c_board_info wm1277_devs[] = { }, }; +static const struct i2c_board_info wm6230_i2c_devs[] = { + { I2C_BOARD_INFO("wm9081", 0x6c), + .platform_data = &wm9081_pdata, }, +}; + static __devinitdata const struct { u8 id; const char *name; @@ -195,7 +200,9 @@ static __devinitdata const struct { { .id = 0x03, .name = "1252-EV1 Glenlivet" }, { .id = 0x11, .name = "6249-EV2 Glenfarclas", }, { .id = 0x14, .name = "6271-EV1 Lochnagar" }, - { .id = 0x15, .name = "XXXX-EV1 Bells" }, + { .id = 0x15, .name = "6320-EV1 Bells", + .i2c_devs = wm6230_i2c_devs, + .num_i2c_devs = ARRAY_SIZE(wm6230_i2c_devs) }, { .id = 0x21, .name = "1275-EV1 Mortlach" }, { .id = 0x25, .name = "1274-EV1 Glencadam" }, { .id = 0x31, .name = "1253-EV1 Tomatin", diff --git a/arch/arm/mach-s3c64xx/mach-crag6410.c b/arch/arm/mach-s3c64xx/mach-crag6410.c index eda5e027b10..d0c352d861f 100644 --- a/arch/arm/mach-s3c64xx/mach-crag6410.c +++ b/arch/arm/mach-s3c64xx/mach-crag6410.c @@ -151,26 +151,29 @@ static struct platform_device crag6410_lcd_powerdev = { /* 640x480 URT */ static struct s3c_fb_pd_win crag6410_fb_win0 = { - /* this is to ensure we use win0 */ - .win_mode = { - .left_margin = 150, - .right_margin = 80, - .upper_margin = 40, - .lower_margin = 5, - .hsync_len = 40, - .vsync_len = 5, - .xres = 640, - .yres = 480, - }, .max_bpp = 32, .default_bpp = 16, + .xres = 640, + .yres = 480, .virtual_y = 480 * 2, .virtual_x = 640, }; +static struct fb_videomode crag6410_lcd_timing = { + .left_margin = 150, + .right_margin = 80, + .upper_margin = 40, + .lower_margin = 5, + .hsync_len = 40, + .vsync_len = 5, + .xres = 640, + .yres = 480, +}; + /* 405566 clocks per frame => 60Hz refresh requires 24333960Hz clock */ static struct s3c_fb_platdata crag6410_lcd_pdata __initdata = { .setup_gpio = s3c64xx_fb_gpio_setup_24bpp, + .vtiming = &crag6410_lcd_timing, .win[0] = &crag6410_fb_win0, .vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB, .vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC, @@ -671,6 +674,7 @@ static struct i2c_board_info i2c_devs1[] __initdata = { .irq = S3C_EINT(0), .platform_data = &glenfarclas_pmic_pdata }, + { I2C_BOARD_INFO("wlf-gf-module", 0x22) }, { I2C_BOARD_INFO("wlf-gf-module", 0x24) }, { I2C_BOARD_INFO("wlf-gf-module", 0x25) }, { I2C_BOARD_INFO("wlf-gf-module", 0x26) }, diff --git a/arch/arm/mach-s3c64xx/mach-hmt.c b/arch/arm/mach-s3c64xx/mach-hmt.c index 1bf6b9da20f..689088162f7 100644 --- a/arch/arm/mach-s3c64xx/mach-hmt.c +++ b/arch/arm/mach-s3c64xx/mach-hmt.c @@ -129,23 +129,27 @@ static struct platform_device hmt_backlight_device = { }; static struct s3c_fb_pd_win hmt_fb_win0 = { - .win_mode = { - .left_margin = 8, - .right_margin = 13, - .upper_margin = 7, - .lower_margin = 5, - .hsync_len = 3, - .vsync_len = 1, - .xres = 800, - .yres = 480, - }, .max_bpp = 32, .default_bpp = 16, + .xres = 800, + .yres = 480, +}; + +static struct fb_videomode hmt_lcd_timing = { + .left_margin = 8, + .right_margin = 13, + .upper_margin = 7, + .lower_margin = 5, + .hsync_len = 3, + .vsync_len = 1, + .xres = 800, + .yres = 480, }; /* 405566 clocks per frame => 60Hz refresh requires 24333960Hz clock */ static struct s3c_fb_platdata hmt_lcd_pdata __initdata = { .setup_gpio = s3c64xx_fb_gpio_setup_24bpp, + .vtiming = &hmt_lcd_timing, .win[0] = &hmt_fb_win0, .vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB, .vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC, diff --git a/arch/arm/mach-s3c64xx/mach-mini6410.c b/arch/arm/mach-s3c64xx/mach-mini6410.c index f8ea61ea3b3..5539a255a70 100644 --- a/arch/arm/mach-s3c64xx/mach-mini6410.c +++ b/arch/arm/mach-s3c64xx/mach-mini6410.c @@ -140,41 +140,59 @@ static struct s3c2410_platform_nand mini6410_nand_info = { .sets = mini6410_nand_sets, }; -static struct s3c_fb_pd_win mini6410_fb_win[] = { +static struct s3c_fb_pd_win mini6410_lcd_type0_fb_win = { + .max_bpp = 32, + .default_bpp = 16, + .xres = 480, + .yres = 272, +}; + +static struct fb_videomode mini6410_lcd_type0_timing = { + /* 4.3" 480x272 */ + .left_margin = 3, + .right_margin = 2, + .upper_margin = 1, + .lower_margin = 1, + .hsync_len = 40, + .vsync_len = 1, + .xres = 480, + .yres = 272, +}; + +static struct s3c_fb_pd_win mini6410_lcd_type1_fb_win = { + .max_bpp = 32, + .default_bpp = 16, + .xres = 800, + .yres = 480, +}; + +static struct fb_videomode mini6410_lcd_type1_timing = { + /* 7.0" 800x480 */ + .left_margin = 8, + .right_margin = 13, + .upper_margin = 7, + .lower_margin = 5, + .hsync_len = 3, + .vsync_len = 1, + .xres = 800, + .yres = 480, +}; + +static struct s3c_fb_platdata mini6410_lcd_pdata[] __initdata = { { - .win_mode = { /* 4.3" 480x272 */ - .left_margin = 3, - .right_margin = 2, - .upper_margin = 1, - .lower_margin = 1, - .hsync_len = 40, - .vsync_len = 1, - .xres = 480, - .yres = 272, - }, - .max_bpp = 32, - .default_bpp = 16, + .setup_gpio = s3c64xx_fb_gpio_setup_24bpp, + .vtiming = &mini6410_lcd_type0_timing, + .win[0] = &mini6410_lcd_type0_fb_win, + .vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB, + .vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC, }, { - .win_mode = { /* 7.0" 800x480 */ - .left_margin = 8, - .right_margin = 13, - .upper_margin = 7, - .lower_margin = 5, - .hsync_len = 3, - .vsync_len = 1, - .xres = 800, - .yres = 480, - }, - .max_bpp = 32, - .default_bpp = 16, + .setup_gpio = s3c64xx_fb_gpio_setup_24bpp, + .vtiming = &mini6410_lcd_type1_timing, + .win[0] = &mini6410_lcd_type1_fb_win, + .vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB, + .vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC, }, -}; - -static struct s3c_fb_platdata mini6410_lcd_pdata __initdata = { - .setup_gpio = s3c64xx_fb_gpio_setup_24bpp, - .win[0] = &mini6410_fb_win[0], - .vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB, - .vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC, + { }, }; static void mini6410_lcd_power_set(struct plat_lcd_data *pd, @@ -272,7 +290,7 @@ static void mini6410_parse_features( "screen type already set\n", f); } else { int li = f - '0'; - if (li >= ARRAY_SIZE(mini6410_fb_win)) + if (li >= ARRAY_SIZE(mini6410_lcd_pdata)) printk(KERN_INFO "MINI6410: '%c' out " "of range LCD mode\n", f); else { @@ -296,14 +314,12 @@ static void __init mini6410_machine_init(void) /* Parse the feature string */ mini6410_parse_features(&features, mini6410_features_str); - mini6410_lcd_pdata.win[0] = &mini6410_fb_win[features.lcd_index]; - printk(KERN_INFO "MINI6410: selected LCD display is %dx%d\n", - mini6410_lcd_pdata.win[0]->win_mode.xres, - mini6410_lcd_pdata.win[0]->win_mode.yres); + mini6410_lcd_pdata[features.lcd_index].win[0]->xres, + mini6410_lcd_pdata[features.lcd_index].win[0]->yres); s3c_nand_set_platdata(&mini6410_nand_info); - s3c_fb_set_platdata(&mini6410_lcd_pdata); + s3c_fb_set_platdata(&mini6410_lcd_pdata[features.lcd_index]); s3c24xx_ts_set_platdata(NULL); /* configure nCS1 width to 16 bits */ diff --git a/arch/arm/mach-s3c64xx/mach-real6410.c b/arch/arm/mach-s3c64xx/mach-real6410.c index b92d8e17d50..326b21604bc 100644 --- a/arch/arm/mach-s3c64xx/mach-real6410.c +++ b/arch/arm/mach-s3c64xx/mach-real6410.c @@ -106,41 +106,57 @@ static struct platform_device real6410_device_eth = { }, }; -static struct s3c_fb_pd_win real6410_fb_win[] = { +static struct s3c_fb_pd_win real6410_lcd_type0_fb_win = { + .max_bpp = 32, + .default_bpp = 16, + .xres = 480, + .yres = 272, +}; + +static struct fb_videomode real6410_lcd_type0_timing = { + /* 4.3" 480x272 */ + .left_margin = 3, + .right_margin = 2, + .upper_margin = 1, + .lower_margin = 1, + .hsync_len = 40, + .vsync_len = 1, +}; + +static struct s3c_fb_pd_win real6410_lcd_type1_fb_win = { + .max_bpp = 32, + .default_bpp = 16, + .xres = 800, + .yres = 480, +}; + +static struct fb_videomode real6410_lcd_type1_timing = { + /* 7.0" 800x480 */ + .left_margin = 8, + .right_margin = 13, + .upper_margin = 7, + .lower_margin = 5, + .hsync_len = 3, + .vsync_len = 1, + .xres = 800, + .yres = 480, +}; + +static struct s3c_fb_platdata real6410_lcd_pdata[] __initdata = { { - .win_mode = { /* 4.3" 480x272 */ - .left_margin = 3, - .right_margin = 2, - .upper_margin = 1, - .lower_margin = 1, - .hsync_len = 40, - .vsync_len = 1, - .xres = 480, - .yres = 272, - }, - .max_bpp = 32, - .default_bpp = 16, + .setup_gpio = s3c64xx_fb_gpio_setup_24bpp, + .vtiming = &real6410_lcd_type0_timing, + .win[0] = &real6410_lcd_type0_fb_win, + .vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB, + .vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC, }, { - .win_mode = { /* 7.0" 800x480 */ - .left_margin = 8, - .right_margin = 13, - .upper_margin = 7, - .lower_margin = 5, - .hsync_len = 3, - .vsync_len = 1, - .xres = 800, - .yres = 480, - }, - .max_bpp = 32, - .default_bpp = 16, + .setup_gpio = s3c64xx_fb_gpio_setup_24bpp, + .vtiming = &real6410_lcd_type1_timing, + .win[0] = &real6410_lcd_type1_fb_win, + .vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB, + .vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC, }, -}; - -static struct s3c_fb_platdata real6410_lcd_pdata __initdata = { - .setup_gpio = s3c64xx_fb_gpio_setup_24bpp, - .win[0] = &real6410_fb_win[0], - .vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB, - .vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC, + { }, }; static struct mtd_partition real6410_nand_part[] = { @@ -253,7 +269,7 @@ static void real6410_parse_features( "screen type already set\n", f); } else { int li = f - '0'; - if (li >= ARRAY_SIZE(real6410_fb_win)) + if (li >= ARRAY_SIZE(real6410_lcd_pdata)) printk(KERN_INFO "REAL6410: '%c' out " "of range LCD mode\n", f); else { @@ -277,13 +293,11 @@ static void __init real6410_machine_init(void) /* Parse the feature string */ real6410_parse_features(&features, real6410_features_str); - real6410_lcd_pdata.win[0] = &real6410_fb_win[features.lcd_index]; - printk(KERN_INFO "REAL6410: selected LCD display is %dx%d\n", - real6410_lcd_pdata.win[0]->win_mode.xres, - real6410_lcd_pdata.win[0]->win_mode.yres); + real6410_lcd_pdata[features.lcd_index].win[0]->xres, + real6410_lcd_pdata[features.lcd_index].win[0]->yres); - s3c_fb_set_platdata(&real6410_lcd_pdata); + s3c_fb_set_platdata(&real6410_lcd_pdata[features.lcd_index]); s3c_nand_set_platdata(&real6410_nand_info); s3c24xx_ts_set_platdata(NULL); diff --git a/arch/arm/mach-s3c64xx/mach-smartq5.c b/arch/arm/mach-s3c64xx/mach-smartq5.c index c5021d0335c..d6266d8b43c 100644 --- a/arch/arm/mach-s3c64xx/mach-smartq5.c +++ b/arch/arm/mach-s3c64xx/mach-smartq5.c @@ -108,23 +108,27 @@ static struct platform_device smartq5_buttons_device = { }; static struct s3c_fb_pd_win smartq5_fb_win0 = { - .win_mode = { - .left_margin = 216, - .right_margin = 40, - .upper_margin = 35, - .lower_margin = 10, - .hsync_len = 1, - .vsync_len = 1, - .xres = 800, - .yres = 480, - .refresh = 80, - }, .max_bpp = 32, .default_bpp = 16, + .xres = 800, + .yres = 480, +}; + +static struct fb_videomode smartq5_lcd_timing = { + .left_margin = 216, + .right_margin = 40, + .upper_margin = 35, + .lower_margin = 10, + .hsync_len = 1, + .vsync_len = 1, + .xres = 800, + .yres = 480, + .refresh = 80, }; static struct s3c_fb_platdata smartq5_lcd_pdata __initdata = { .setup_gpio = s3c64xx_fb_gpio_setup_24bpp, + .vtiming = &smartq5_lcd_timing, .win[0] = &smartq5_fb_win0, .vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB, .vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC | diff --git a/arch/arm/mach-s3c64xx/mach-smartq7.c b/arch/arm/mach-s3c64xx/mach-smartq7.c index aa9072a4cbe..0957d2a980e 100644 --- a/arch/arm/mach-s3c64xx/mach-smartq7.c +++ b/arch/arm/mach-s3c64xx/mach-smartq7.c @@ -124,23 +124,27 @@ static struct platform_device smartq7_buttons_device = { }; static struct s3c_fb_pd_win smartq7_fb_win0 = { - .win_mode = { - .left_margin = 3, - .right_margin = 5, - .upper_margin = 1, - .lower_margin = 20, - .hsync_len = 10, - .vsync_len = 3, - .xres = 800, - .yres = 480, - .refresh = 80, - }, .max_bpp = 32, .default_bpp = 16, + .xres = 800, + .yres = 480, +}; + +static struct fb_videomode smartq7_lcd_timing = { + .left_margin = 3, + .right_margin = 5, + .upper_margin = 1, + .lower_margin = 20, + .hsync_len = 10, + .vsync_len = 3, + .xres = 800, + .yres = 480, + .refresh = 80, }; static struct s3c_fb_platdata smartq7_lcd_pdata __initdata = { .setup_gpio = s3c64xx_fb_gpio_setup_24bpp, + .vtiming = &smartq7_lcd_timing, .win[0] = &smartq7_fb_win0, .vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB, .vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC | diff --git a/arch/arm/mach-s3c64xx/mach-smdk6410.c b/arch/arm/mach-s3c64xx/mach-smdk6410.c index d44319b0941..df3103d450e 100644 --- a/arch/arm/mach-s3c64xx/mach-smdk6410.c +++ b/arch/arm/mach-s3c64xx/mach-smdk6410.c @@ -146,26 +146,29 @@ static struct platform_device smdk6410_lcd_powerdev = { }; static struct s3c_fb_pd_win smdk6410_fb_win0 = { - /* this is to ensure we use win0 */ - .win_mode = { - .left_margin = 8, - .right_margin = 13, - .upper_margin = 7, - .lower_margin = 5, - .hsync_len = 3, - .vsync_len = 1, - .xres = 800, - .yres = 480, - }, .max_bpp = 32, .default_bpp = 16, + .xres = 800, + .yres = 480, .virtual_y = 480 * 2, .virtual_x = 800, }; +static struct fb_videomode smdk6410_lcd_timing = { + .left_margin = 8, + .right_margin = 13, + .upper_margin = 7, + .lower_margin = 5, + .hsync_len = 3, + .vsync_len = 1, + .xres = 800, + .yres = 480, +}; + /* 405566 clocks per frame => 60Hz refresh requires 24333960Hz clock */ static struct s3c_fb_platdata smdk6410_lcd_pdata __initdata = { .setup_gpio = s3c64xx_fb_gpio_setup_24bpp, + .vtiming = &smdk6410_lcd_timing, .win[0] = &smdk6410_fb_win0, .vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB, .vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC, diff --git a/arch/arm/mach-s5p64x0/mach-smdk6440.c b/arch/arm/mach-s5p64x0/mach-smdk6440.c index a40e325d62c..92fefad505c 100644 --- a/arch/arm/mach-s5p64x0/mach-smdk6440.c +++ b/arch/arm/mach-s5p64x0/mach-smdk6440.c @@ -103,22 +103,26 @@ static struct s3c2410_uartcfg smdk6440_uartcfgs[] __initdata = { /* Frame Buffer */ static struct s3c_fb_pd_win smdk6440_fb_win0 = { - .win_mode = { - .left_margin = 8, - .right_margin = 13, - .upper_margin = 7, - .lower_margin = 5, - .hsync_len = 3, - .vsync_len = 1, - .xres = 800, - .yres = 480, - }, .max_bpp = 32, .default_bpp = 24, + .xres = 800, + .yres = 480, +}; + +static struct fb_videomode smdk6440_lcd_timing = { + .left_margin = 8, + .right_margin = 13, + .upper_margin = 7, + .lower_margin = 5, + .hsync_len = 3, + .vsync_len = 1, + .xres = 800, + .yres = 480, }; static struct s3c_fb_platdata smdk6440_lcd_pdata __initdata = { .win[0] = &smdk6440_fb_win0, + .vtiming = &smdk6440_lcd_timing, .vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB, .vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC, .setup_gpio = s5p64x0_fb_gpio_setup_24bpp, diff --git a/arch/arm/mach-s5p64x0/mach-smdk6450.c b/arch/arm/mach-s5p64x0/mach-smdk6450.c index efb69e2f2af..e2335ecf6ea 100644 --- a/arch/arm/mach-s5p64x0/mach-smdk6450.c +++ b/arch/arm/mach-s5p64x0/mach-smdk6450.c @@ -121,22 +121,26 @@ static struct s3c2410_uartcfg smdk6450_uartcfgs[] __initdata = { /* Frame Buffer */ static struct s3c_fb_pd_win smdk6450_fb_win0 = { - .win_mode = { - .left_margin = 8, - .right_margin = 13, - .upper_margin = 7, - .lower_margin = 5, - .hsync_len = 3, - .vsync_len = 1, - .xres = 800, - .yres = 480, - }, .max_bpp = 32, .default_bpp = 24, + .xres = 800, + .yres = 480, +}; + +static struct fb_videomode smdk6450_lcd_timing = { + .left_margin = 8, + .right_margin = 13, + .upper_margin = 7, + .lower_margin = 5, + .hsync_len = 3, + .vsync_len = 1, + .xres = 800, + .yres = 480, }; static struct s3c_fb_platdata smdk6450_lcd_pdata __initdata = { .win[0] = &smdk6450_fb_win0, + .vtiming = &smdk6450_lcd_timing, .vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB, .vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC, .setup_gpio = s5p64x0_fb_gpio_setup_24bpp, diff --git a/arch/arm/mach-s5pc100/mach-smdkc100.c b/arch/arm/mach-s5pc100/mach-smdkc100.c index 674d22992f3..0c3ae38d27c 100644 --- a/arch/arm/mach-s5pc100/mach-smdkc100.c +++ b/arch/arm/mach-s5pc100/mach-smdkc100.c @@ -136,24 +136,27 @@ static struct platform_device smdkc100_lcd_powerdev = { /* Frame Buffer */ static struct s3c_fb_pd_win smdkc100_fb_win0 = { - /* this is to ensure we use win0 */ - .win_mode = { - .left_margin = 8, - .right_margin = 13, - .upper_margin = 7, - .lower_margin = 5, - .hsync_len = 3, - .vsync_len = 1, - .xres = 800, - .yres = 480, - .refresh = 80, - }, .max_bpp = 32, .default_bpp = 16, + .xres = 800, + .yres = 480, +}; + +static struct fb_videomode smdkc100_lcd_timing = { + .left_margin = 8, + .right_margin = 13, + .upper_margin = 7, + .lower_margin = 5, + .hsync_len = 3, + .vsync_len = 1, + .xres = 800, + .yres = 480, + .refresh = 80, }; static struct s3c_fb_platdata smdkc100_lcd_pdata __initdata = { .win[0] = &smdkc100_fb_win0, + .vtiming = &smdkc100_lcd_timing, .vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB, .vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC, .setup_gpio = s5pc100_fb_gpio_setup_24bpp, diff --git a/arch/arm/mach-s5pv210/mach-aquila.c b/arch/arm/mach-s5pv210/mach-aquila.c index 48d018f2332..af528f9e97f 100644 --- a/arch/arm/mach-s5pv210/mach-aquila.c +++ b/arch/arm/mach-s5pv210/mach-aquila.c @@ -96,38 +96,34 @@ static struct s3c2410_uartcfg aquila_uartcfgs[] __initdata = { /* Frame Buffer */ static struct s3c_fb_pd_win aquila_fb_win0 = { - .win_mode = { - .left_margin = 16, - .right_margin = 16, - .upper_margin = 3, - .lower_margin = 28, - .hsync_len = 2, - .vsync_len = 2, - .xres = 480, - .yres = 800, - }, .max_bpp = 32, .default_bpp = 16, + .xres = 480, + .yres = 800, }; static struct s3c_fb_pd_win aquila_fb_win1 = { - .win_mode = { - .left_margin = 16, - .right_margin = 16, - .upper_margin = 3, - .lower_margin = 28, - .hsync_len = 2, - .vsync_len = 2, - .xres = 480, - .yres = 800, - }, .max_bpp = 32, .default_bpp = 16, + .xres = 480, + .yres = 800, +}; + +static struct fb_videomode aquila_lcd_timing = { + .left_margin = 16, + .right_margin = 16, + .upper_margin = 3, + .lower_margin = 28, + .hsync_len = 2, + .vsync_len = 2, + .xres = 480, + .yres = 800, }; static struct s3c_fb_platdata aquila_lcd_pdata __initdata = { .win[0] = &aquila_fb_win0, .win[1] = &aquila_fb_win1, + .vtiming = &aquila_lcd_timing, .vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB, .vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC | VIDCON1_INV_VCLK | VIDCON1_INV_VDEN, diff --git a/arch/arm/mach-s5pv210/mach-goni.c b/arch/arm/mach-s5pv210/mach-goni.c index f20a97c8e41..bf5087c2b7f 100644 --- a/arch/arm/mach-s5pv210/mach-goni.c +++ b/arch/arm/mach-s5pv210/mach-goni.c @@ -107,25 +107,29 @@ static struct s3c2410_uartcfg goni_uartcfgs[] __initdata = { /* Frame Buffer */ static struct s3c_fb_pd_win goni_fb_win0 = { - .win_mode = { - .left_margin = 16, - .right_margin = 16, - .upper_margin = 2, - .lower_margin = 28, - .hsync_len = 2, - .vsync_len = 1, - .xres = 480, - .yres = 800, - .refresh = 55, - }, .max_bpp = 32, .default_bpp = 16, + .xres = 480, + .yres = 800, .virtual_x = 480, .virtual_y = 2 * 800, }; +static struct fb_videomode goni_lcd_timing = { + .left_margin = 16, + .right_margin = 16, + .upper_margin = 2, + .lower_margin = 28, + .hsync_len = 2, + .vsync_len = 1, + .xres = 480, + .yres = 800, + .refresh = 55, +}; + static struct s3c_fb_platdata goni_lcd_pdata __initdata = { .win[0] = &goni_fb_win0, + .vtiming = &goni_lcd_timing, .vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB | VIDCON0_CLKSEL_LCD, .vidcon1 = VIDCON1_INV_VCLK | VIDCON1_INV_VDEN diff --git a/arch/arm/mach-s5pv210/mach-smdkv210.c b/arch/arm/mach-s5pv210/mach-smdkv210.c index fa1b61209fd..0d7ddec88eb 100644 --- a/arch/arm/mach-s5pv210/mach-smdkv210.c +++ b/arch/arm/mach-s5pv210/mach-smdkv210.c @@ -178,22 +178,26 @@ static struct platform_device smdkv210_lcd_lte480wv = { }; static struct s3c_fb_pd_win smdkv210_fb_win0 = { - .win_mode = { - .left_margin = 13, - .right_margin = 8, - .upper_margin = 7, - .lower_margin = 5, - .hsync_len = 3, - .vsync_len = 1, - .xres = 800, - .yres = 480, - }, .max_bpp = 32, .default_bpp = 24, + .xres = 800, + .yres = 480, +}; + +static struct fb_videomode smdkv210_lcd_timing = { + .left_margin = 13, + .right_margin = 8, + .upper_margin = 7, + .lower_margin = 5, + .hsync_len = 3, + .vsync_len = 1, + .xres = 800, + .yres = 480, }; static struct s3c_fb_platdata smdkv210_lcd0_pdata __initdata = { .win[0] = &smdkv210_fb_win0, + .vtiming = &smdkv210_lcd_timing, .vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB, .vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC, .setup_gpio = s5pv210_fb_gpio_setup_24bpp, diff --git a/arch/arm/mach-sa1100/neponset.c b/arch/arm/mach-sa1100/neponset.c index 6c58f01b358..266db873a4e 100644 --- a/arch/arm/mach-sa1100/neponset.c +++ b/arch/arm/mach-sa1100/neponset.c @@ -89,6 +89,7 @@ void neponset_ncr_frob(unsigned int mask, unsigned int val) WARN(1, "nep_base unset\n"); } } +EXPORT_SYMBOL(neponset_ncr_frob); static void neponset_set_mctrl(struct uart_port *port, u_int mctrl) { diff --git a/arch/arm/mach-shmobile/Kconfig b/arch/arm/mach-shmobile/Kconfig index f31383c32f9..df33909205e 100644 --- a/arch/arm/mach-shmobile/Kconfig +++ b/arch/arm/mach-shmobile/Kconfig @@ -186,6 +186,12 @@ config SH_TIMER_TMU help This enables build of the TMU timer driver. +config EM_TIMER_STI + bool "STI timer driver" + default y + help + This enables build of the STI timer driver. + endmenu config SH_CLK_CPG diff --git a/arch/arm/mach-ux500/board-mop500-uib.c b/arch/arm/mach-ux500/board-mop500-uib.c index b29a788f498..1f47d962e3a 100644 --- a/arch/arm/mach-ux500/board-mop500-uib.c +++ b/arch/arm/mach-ux500/board-mop500-uib.c @@ -96,7 +96,7 @@ static void __init __mop500_uib_init(struct uib *uib, const char *why) /* * Detect the UIB attached based on the presence or absence of i2c devices. */ -static int __init mop500_uib_init(void) +int __init mop500_uib_init(void) { struct uib *uib = mop500_uib; struct i2c_adapter *i2c0; @@ -131,5 +131,3 @@ static int __init mop500_uib_init(void) return 0; } - -module_init(mop500_uib_init); diff --git a/arch/arm/mach-ux500/board-mop500.c b/arch/arm/mach-ux500/board-mop500.c index b23a643f03f..9c74ac54584 100644 --- a/arch/arm/mach-ux500/board-mop500.c +++ b/arch/arm/mach-ux500/board-mop500.c @@ -206,7 +206,7 @@ static struct resource ab8500_resources[] = { }; struct platform_device ab8500_device = { - .name = "ab8500-i2c", + .name = "ab8500-core", .id = 0, .dev = { .platform_data = &ab8500_platdata, @@ -673,9 +673,15 @@ static void __init u8500_cryp1_hash1_init(struct device *parent) static struct platform_device *snowball_platform_devs[] __initdata = { &snowball_led_dev, &snowball_key_dev, + &snowball_sbnet_dev, &ab8500_device, }; +static struct platform_device *snowball_of_platform_devs[] __initdata = { + &snowball_led_dev, + &snowball_key_dev, +}; + static void __init mop500_init_machine(void) { struct device *parent = NULL; @@ -710,6 +716,8 @@ static void __init mop500_init_machine(void) /* This board has full regulator constraints */ regulator_has_full_constraints(); + + mop500_uib_init(); } static void __init snowball_init_machine(void) @@ -774,6 +782,8 @@ static void __init hrefv60_init_machine(void) /* This board has full regulator constraints */ regulator_has_full_constraints(); + + mop500_uib_init(); } MACHINE_START(U8500, "ST-Ericsson MOP500 platform") @@ -834,6 +844,10 @@ struct of_dev_auxdata u8500_auxdata_lookup[] __initdata = { static const struct of_device_id u8500_local_bus_nodes[] = { /* only create devices below soc node */ { .compatible = "stericsson,db8500", }, + { .compatible = "stericsson,db8500-prcmu", }, + { .compatible = "stericsson,db8500-prcmu-regulator", }, + { .compatible = "stericsson,ab8500", }, + { .compatible = "stericsson,ab8500-regulator", }, { .compatible = "simple-bus"}, { }, }; @@ -852,7 +866,7 @@ static void __init u8500_init_machine(void) else if (of_machine_is_compatible("st-ericsson,hrefv60+")) hrefv60_pinmaps_init(); - parent = u8500_init_devices(); + parent = u8500_of_init_devices(); for (i = 0; i < ARRAY_SIZE(mop500_platform_devs); i++) mop500_platform_devs[i]->dev.parent = parent; @@ -869,15 +883,23 @@ static void __init u8500_init_machine(void) ARRAY_SIZE(mop500_platform_devs)); mop500_sdi_init(parent); - i2c0_devs = ARRAY_SIZE(mop500_i2c0_devices); i2c_register_board_info(0, mop500_i2c0_devices, i2c0_devs); i2c_register_board_info(2, mop500_i2c2_devices, ARRAY_SIZE(mop500_i2c2_devices)); + mop500_uib_init(); + } else if (of_machine_is_compatible("calaosystems,snowball-a9500")) { - platform_add_devices(snowball_platform_devs, - ARRAY_SIZE(snowball_platform_devs)); + /* + * Devices to be DT:ed: + * snowball_led_dev = todo + * snowball_key_dev = todo + * snowball_sbnet_dev = done + * ab8500_device = done + */ + platform_add_devices(snowball_of_platform_devs, + ARRAY_SIZE(snowball_of_platform_devs)); snowball_sdi_init(parent); } else if (of_machine_is_compatible("st-ericsson,hrefv60+")) { @@ -898,6 +920,8 @@ static void __init u8500_init_machine(void) i2c_register_board_info(0, mop500_i2c0_devices, i2c0_devs); i2c_register_board_info(2, mop500_i2c2_devices, ARRAY_SIZE(mop500_i2c2_devices)); + + mop500_uib_init(); } mop500_i2c_init(parent); diff --git a/arch/arm/mach-ux500/board-mop500.h b/arch/arm/mach-ux500/board-mop500.h index bc44c07c71a..2f87b25a908 100644 --- a/arch/arm/mach-ux500/board-mop500.h +++ b/arch/arm/mach-ux500/board-mop500.h @@ -89,7 +89,11 @@ void __init mop500_pinmaps_init(void); void __init snowball_pinmaps_init(void); void __init hrefv60_pinmaps_init(void); +int __init mop500_uib_init(void); void mop500_uib_i2c_add(int busnum, struct i2c_board_info *info, unsigned n); +/* TODO: Once all pieces are DT:ed, remove completely. */ +struct device * __init u8500_of_init_devices(void); + #endif diff --git a/arch/arm/mach-ux500/cpu-db8500.c b/arch/arm/mach-ux500/cpu-db8500.c index 16169c4bf6c..33275eb4c68 100644 --- a/arch/arm/mach-ux500/cpu-db8500.c +++ b/arch/arm/mach-ux500/cpu-db8500.c @@ -140,7 +140,6 @@ static struct platform_device *platform_devs[] __initdata = { static struct platform_device *of_platform_devs[] __initdata = { &u8500_dma40_device, &db8500_pmu_device, - &db8500_prcmu_device, }; static resource_size_t __initdata db8500_gpio_base[] = { @@ -222,6 +221,28 @@ struct device * __init u8500_init_devices(void) platform_device_register_data(parent, "cpufreq-u8500", -1, NULL, 0); + for (i = 0; i < ARRAY_SIZE(platform_devs); i++) + platform_devs[i]->dev.parent = parent; + + platform_add_devices(platform_devs, ARRAY_SIZE(platform_devs)); + + return parent; +} + +/* TODO: Once all pieces are DT:ed, remove completely. */ +struct device * __init u8500_of_init_devices(void) +{ + struct device *parent; + int i; + + parent = db8500_soc_device_init(); + + db8500_add_rtc(parent); + db8500_add_usb(parent, usb_db8500_rx_dma_cfg, usb_db8500_tx_dma_cfg); + + platform_device_register_data(parent, + "cpufreq-u8500", -1, NULL, 0); + for (i = 0; i < ARRAY_SIZE(of_platform_devs); i++) of_platform_devs[i]->dev.parent = parent; @@ -229,7 +250,7 @@ struct device * __init u8500_init_devices(void) * Devices to be DT:ed: * u8500_dma40_device = todo * db8500_pmu_device = todo - * db8500_prcmu_device = todo + * db8500_prcmu_device = done */ platform_add_devices(of_platform_devs, ARRAY_SIZE(of_platform_devs)); diff --git a/arch/arm/mach-vexpress/v2m.c b/arch/arm/mach-vexpress/v2m.c index 04dd092211b..fde26adaef3 100644 --- a/arch/arm/mach-vexpress/v2m.c +++ b/arch/arm/mach-vexpress/v2m.c @@ -14,7 +14,6 @@ #include <linux/ata_platform.h> #include <linux/smsc911x.h> #include <linux/spinlock.h> -#include <linux/device.h> #include <linux/usb/isp1760.h> #include <linux/clkdev.h> #include <linux/mtd/physmap.h> @@ -31,7 +30,6 @@ #include <asm/hardware/gic.h> #include <asm/hardware/timer-sp.h> #include <asm/hardware/sp810.h> -#include <asm/hardware/gic.h> #include <mach/ct-ca9x4.h> #include <mach/motherboard.h> diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c index ea6b4315409..106c4c0ebcc 100644 --- a/arch/arm/mm/dma-mapping.c +++ b/arch/arm/mm/dma-mapping.c @@ -268,10 +268,8 @@ static int __init consistent_init(void) unsigned long base = consistent_base; unsigned long num_ptes = (CONSISTENT_END - base) >> PMD_SHIFT; -#ifndef CONFIG_ARM_DMA_USE_IOMMU - if (cpu_architecture() >= CPU_ARCH_ARMv6) + if (IS_ENABLED(CONFIG_CMA) && !IS_ENABLED(CONFIG_ARM_DMA_USE_IOMMU)) return 0; -#endif consistent_pte = kmalloc(num_ptes * sizeof(pte_t), GFP_KERNEL); if (!consistent_pte) { @@ -342,7 +340,7 @@ static int __init coherent_init(void) struct page *page; void *ptr; - if (cpu_architecture() < CPU_ARCH_ARMv6) + if (!IS_ENABLED(CONFIG_CMA)) return 0; ptr = __alloc_from_contiguous(NULL, size, prot, &page); @@ -704,7 +702,7 @@ static void *__dma_alloc(struct device *dev, size_t size, dma_addr_t *handle, if (arch_is_coherent() || nommu()) addr = __alloc_simple_buffer(dev, size, gfp, &page); - else if (cpu_architecture() < CPU_ARCH_ARMv6) + else if (!IS_ENABLED(CONFIG_CMA)) addr = __alloc_remap_buffer(dev, size, gfp, prot, &page, caller); else if (gfp & GFP_ATOMIC) addr = __alloc_from_pool(dev, size, &page, caller); @@ -773,7 +771,7 @@ void arm_dma_free(struct device *dev, size_t size, void *cpu_addr, if (arch_is_coherent() || nommu()) { __dma_free_buffer(page, size); - } else if (cpu_architecture() < CPU_ARCH_ARMv6) { + } else if (!IS_ENABLED(CONFIG_CMA)) { __dma_free_remap(cpu_addr, size); __dma_free_buffer(page, size); } else { diff --git a/arch/arm/plat-omap/include/plat/gpmc.h b/arch/arm/plat-omap/include/plat/gpmc.h index 1527929b445..f37764a3607 100644 --- a/arch/arm/plat-omap/include/plat/gpmc.h +++ b/arch/arm/plat-omap/include/plat/gpmc.h @@ -92,6 +92,8 @@ enum omap_ecc { OMAP_ECC_HAMMING_CODE_HW, /* gpmc to detect the error */ /* 1-bit ecc: stored at beginning of spare area as romcode */ OMAP_ECC_HAMMING_CODE_HW_ROMCODE, /* gpmc method & romcode layout */ + OMAP_ECC_BCH4_CODE_HW, /* 4-bit BCH ecc code */ + OMAP_ECC_BCH8_CODE_HW, /* 8-bit BCH ecc code */ }; /* @@ -157,4 +159,13 @@ extern int gpmc_nand_write(int cs, int cmd, int wval); int gpmc_enable_hwecc(int cs, int mode, int dev_width, int ecc_size); int gpmc_calculate_ecc(int cs, const u_char *dat, u_char *ecc_code); + +#ifdef CONFIG_ARCH_OMAP3 +int gpmc_init_hwecc_bch(int cs, int nsectors, int nerrors); +int gpmc_enable_hwecc_bch(int cs, int mode, int dev_width, int nsectors, + int nerrors); +int gpmc_calculate_ecc_bch4(int cs, const u_char *dat, u_char *ecc); +int gpmc_calculate_ecc_bch8(int cs, const u_char *dat, u_char *ecc); +#endif /* CONFIG_ARCH_OMAP3 */ + #endif diff --git a/arch/arm/plat-samsung/include/plat/fb.h b/arch/arm/plat-samsung/include/plat/fb.h index 0fedf47fa50..536002ff2ab 100644 --- a/arch/arm/plat-samsung/include/plat/fb.h +++ b/arch/arm/plat-samsung/include/plat/fb.h @@ -24,15 +24,16 @@ /** * struct s3c_fb_pd_win - per window setup data - * @win_mode: The display parameters to initialise (not for window 0) + * @xres : The window X size. + * @yres : The window Y size. * @virtual_x: The virtual X size. * @virtual_y: The virtual Y size. */ struct s3c_fb_pd_win { - struct fb_videomode win_mode; - unsigned short default_bpp; unsigned short max_bpp; + unsigned short xres; + unsigned short yres; unsigned short virtual_x; unsigned short virtual_y; }; @@ -45,6 +46,7 @@ struct s3c_fb_pd_win { * @default_win: default window layer number to be used for UI layer. * @vidcon0: The base vidcon0 values to control the panel data format. * @vidcon1: The base vidcon1 values to control the panel data output. + * @vtiming: Video timing when connected to a RGB type panel. * @win: The setup data for each hardware window, or NULL for unused. * @display_mode: The LCD output display mode. * @@ -58,8 +60,7 @@ struct s3c_fb_platdata { void (*setup_gpio)(void); struct s3c_fb_pd_win *win[S3C_FB_MAX_WIN]; - - u32 default_win; + struct fb_videomode *vtiming; u32 vidcon0; u32 vidcon1; diff --git a/arch/arm/plat-samsung/include/plat/s3c2416.h b/arch/arm/plat-samsung/include/plat/s3c2416.h index de2b5bdc5eb..7178e338e25 100644 --- a/arch/arm/plat-samsung/include/plat/s3c2416.h +++ b/arch/arm/plat-samsung/include/plat/s3c2416.h @@ -24,6 +24,9 @@ extern void s3c2416_init_clocks(int xtal); extern int s3c2416_baseclk_add(void); extern void s3c2416_restart(char mode, const char *cmd); + +extern struct syscore_ops s3c2416_irq_syscore_ops; + #else #define s3c2416_init_clocks NULL #define s3c2416_init_uarts NULL diff --git a/arch/avr32/include/asm/posix_types.h b/arch/avr32/include/asm/posix_types.h index 74667bfc88c..9ba9e749b3f 100644 --- a/arch/avr32/include/asm/posix_types.h +++ b/arch/avr32/include/asm/posix_types.h @@ -17,9 +17,6 @@ typedef unsigned short __kernel_mode_t; #define __kernel_mode_t __kernel_mode_t -typedef unsigned short __kernel_nlink_t; -#define __kernel_nlink_t __kernel_nlink_t - typedef unsigned short __kernel_ipc_pid_t; #define __kernel_ipc_pid_t __kernel_ipc_pid_t diff --git a/arch/avr32/kernel/entry-avr32b.S b/arch/avr32/kernel/entry-avr32b.S index 169268c40ae..df288418131 100644 --- a/arch/avr32/kernel/entry-avr32b.S +++ b/arch/avr32/kernel/entry-avr32b.S @@ -281,7 +281,7 @@ syscall_exit_work: ld.w r1, r0[TI_flags] rjmp 1b -2: mov r2, _TIF_SIGPENDING | _TIF_RESTORE_SIGMASK | _TIF_NOTIFY_RESUME +2: mov r2, _TIF_SIGPENDING | _TIF_NOTIFY_RESUME tst r1, r2 breq 3f unmask_interrupts @@ -587,7 +587,7 @@ fault_exit_work: ld.w r1, r0[TI_flags] rjmp fault_exit_work -1: mov r2, _TIF_SIGPENDING | _TIF_RESTORE_SIGMASK +1: mov r2, _TIF_SIGPENDING | _TIF_NOTIFY_RESUME tst r1, r2 breq 2f unmask_interrupts diff --git a/arch/avr32/kernel/signal.c b/arch/avr32/kernel/signal.c index ae386c304be..d552a854dac 100644 --- a/arch/avr32/kernel/signal.c +++ b/arch/avr32/kernel/signal.c @@ -22,8 +22,6 @@ #include <asm/ucontext.h> #include <asm/syscalls.h> -#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) - asmlinkage int sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss, struct pt_regs *regs) { @@ -89,7 +87,6 @@ asmlinkage int sys_rt_sigreturn(struct pt_regs *regs) if (__copy_from_user(&set, &frame->uc.uc_sigmask, sizeof(set))) goto badframe; - sigdelsetmask(&set, ~_BLOCKABLE); set_current_blocked(&set); if (restore_sigcontext(regs, &frame->uc.uc_mcontext)) @@ -224,30 +221,27 @@ static inline void setup_syscall_restart(struct pt_regs *regs) static inline void handle_signal(unsigned long sig, struct k_sigaction *ka, siginfo_t *info, - sigset_t *oldset, struct pt_regs *regs, int syscall) + struct pt_regs *regs, int syscall) { int ret; /* * Set up the stack frame */ - ret = setup_rt_frame(sig, ka, info, oldset, regs); + ret = setup_rt_frame(sig, ka, info, sigmask_to_save(), regs); /* * Check that the resulting registers are sane */ ret |= !valid_user_regs(regs); - if (ret != 0) { - force_sigsegv(sig, current); - return; - } - /* * Block the signal if we were successful. */ - block_sigmask(ka, sig); - clear_thread_flag(TIF_RESTORE_SIGMASK); + if (ret != 0) + force_sigsegv(sig, current); + else + signal_delivered(sig, info, ka, regs, 0); } /* @@ -255,7 +249,7 @@ handle_signal(unsigned long sig, struct k_sigaction *ka, siginfo_t *info, * doesn't want to handle. Thus you cannot kill init even with a * SIGKILL even by mistake. */ -int do_signal(struct pt_regs *regs, sigset_t *oldset, int syscall) +static void do_signal(struct pt_regs *regs, int syscall) { siginfo_t info; int signr; @@ -267,12 +261,7 @@ int do_signal(struct pt_regs *regs, sigset_t *oldset, int syscall) * without doing anything if so. */ if (!user_mode(regs)) - return 0; - - if (test_thread_flag(TIF_RESTORE_SIGMASK)) - oldset = ¤t->saved_sigmask; - else if (!oldset) - oldset = ¤t->blocked; + return; signr = get_signal_to_deliver(&info, &ka, regs, NULL); if (syscall) { @@ -297,15 +286,11 @@ int do_signal(struct pt_regs *regs, sigset_t *oldset, int syscall) if (signr == 0) { /* No signal to deliver -- put the saved sigmask back */ - if (test_thread_flag(TIF_RESTORE_SIGMASK)) { - clear_thread_flag(TIF_RESTORE_SIGMASK); - sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); - } - return 0; + restore_saved_sigmask(); + return; } - handle_signal(signr, &ka, &info, oldset, regs, syscall); - return 1; + handle_signal(signr, &ka, &info, regs, syscall); } asmlinkage void do_notify_resume(struct pt_regs *regs, struct thread_info *ti) @@ -315,13 +300,11 @@ asmlinkage void do_notify_resume(struct pt_regs *regs, struct thread_info *ti) if ((sysreg_read(SR) & MODE_MASK) == MODE_SUPERVISOR) syscall = 1; - if (ti->flags & (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK)) - do_signal(regs, ¤t->blocked, syscall); + if (ti->flags & _TIF_SIGPENDING) + do_signal(regs, syscall); if (ti->flags & _TIF_NOTIFY_RESUME) { clear_thread_flag(TIF_NOTIFY_RESUME); tracehook_notify_resume(regs); - if (current->replacement_session_keyring) - key_replace_session_keyring(); } } diff --git a/arch/blackfin/include/asm/posix_types.h b/arch/blackfin/include/asm/posix_types.h index 41bc1875c4d..1bd3436db6a 100644 --- a/arch/blackfin/include/asm/posix_types.h +++ b/arch/blackfin/include/asm/posix_types.h @@ -10,9 +10,6 @@ typedef unsigned short __kernel_mode_t; #define __kernel_mode_t __kernel_mode_t -typedef unsigned short __kernel_nlink_t; -#define __kernel_nlink_t __kernel_nlink_t - typedef unsigned int __kernel_ipc_pid_t; #define __kernel_ipc_pid_t __kernel_ipc_pid_t diff --git a/arch/blackfin/include/asm/thread_info.h b/arch/blackfin/include/asm/thread_info.h index 02560fd8a12..53ad10005ae 100644 --- a/arch/blackfin/include/asm/thread_info.h +++ b/arch/blackfin/include/asm/thread_info.h @@ -100,7 +100,6 @@ static inline struct thread_info *current_thread_info(void) TIF_NEED_RESCHED */ #define TIF_MEMDIE 4 /* is terminating due to OOM killer */ #define TIF_RESTORE_SIGMASK 5 /* restore signal mask in do_signal() */ -#define TIF_FREEZE 6 /* is freezing for suspend */ #define TIF_IRQ_SYNC 7 /* sync pipeline stage */ #define TIF_NOTIFY_RESUME 8 /* callback before returning to user */ #define TIF_SINGLESTEP 9 @@ -111,7 +110,6 @@ static inline struct thread_info *current_thread_info(void) #define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED) #define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG) #define _TIF_RESTORE_SIGMASK (1<<TIF_RESTORE_SIGMASK) -#define _TIF_FREEZE (1<<TIF_FREEZE) #define _TIF_IRQ_SYNC (1<<TIF_IRQ_SYNC) #define _TIF_NOTIFY_RESUME (1<<TIF_NOTIFY_RESUME) #define _TIF_SINGLESTEP (1<<TIF_SINGLESTEP) diff --git a/arch/blackfin/kernel/process.c b/arch/blackfin/kernel/process.c index 2e3994b2016..62bcea7dcc6 100644 --- a/arch/blackfin/kernel/process.c +++ b/arch/blackfin/kernel/process.c @@ -173,7 +173,7 @@ asmlinkage int bfin_clone(struct pt_regs *regs) unsigned long newsp; #ifdef __ARCH_SYNC_CORE_DCACHE - if (current->rt.nr_cpus_allowed == num_possible_cpus()) + if (current->nr_cpus_allowed == num_possible_cpus()) set_cpus_allowed_ptr(current, cpumask_of(smp_processor_id())); #endif diff --git a/arch/blackfin/kernel/signal.c b/arch/blackfin/kernel/signal.c index e5bbc1a5edc..6682b73a852 100644 --- a/arch/blackfin/kernel/signal.c +++ b/arch/blackfin/kernel/signal.c @@ -19,8 +19,6 @@ #include <asm/fixed_code.h> #include <asm/syscall.h> -#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) - /* Location of the trace bit in SYSCFG. */ #define TRACE_BITS 0x0001 @@ -98,7 +96,6 @@ asmlinkage int do_rt_sigreturn(unsigned long __unused) if (__copy_from_user(&set, &frame->uc.uc_sigmask, sizeof(set))) goto badframe; - sigdelsetmask(&set, ~_BLOCKABLE); set_current_blocked(&set); if (rt_restore_sigcontext(regs, &frame->uc.uc_mcontext, &r0)) @@ -190,17 +187,22 @@ setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t * info, err |= copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set)); if (err) - goto give_sigsegv; + return -EFAULT; /* Set up registers for signal handler */ - wrusp((unsigned long)frame); if (current->personality & FDPIC_FUNCPTRS) { struct fdpic_func_descriptor __user *funcptr = (struct fdpic_func_descriptor *) ka->sa.sa_handler; - __get_user(regs->pc, &funcptr->text); - __get_user(regs->p3, &funcptr->GOT); + u32 pc, p3; + err |= __get_user(pc, &funcptr->text); + err |= __get_user(p3, &funcptr->GOT); + if (err) + return -EFAULT; + regs->pc = pc; + regs->p3 = p3; } else regs->pc = (unsigned long)ka->sa.sa_handler; + wrusp((unsigned long)frame); regs->rets = SIGRETURN_STUB; regs->r0 = frame->sig; @@ -208,10 +210,6 @@ setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t * info, regs->r2 = (unsigned long)(&frame->uc); return 0; - - give_sigsegv: - force_sigsegv(sig, current); - return -EFAULT; } static inline void @@ -247,24 +245,21 @@ handle_restart(struct pt_regs *regs, struct k_sigaction *ka, int has_handler) /* * OK, we're invoking a handler */ -static int +static void handle_signal(int sig, siginfo_t *info, struct k_sigaction *ka, - sigset_t *oldset, struct pt_regs *regs) + struct pt_regs *regs) { - int ret; - /* are we from a system call? to see pt_regs->orig_p0 */ if (regs->orig_p0 >= 0) /* If so, check system call restarting.. */ handle_restart(regs, ka, 1); /* set up the stack frame */ - ret = setup_rt_frame(sig, ka, info, oldset, regs); - - if (ret == 0) - block_sigmask(ka, sig); - - return ret; + if (setup_rt_frame(sig, ka, info, sigmask_to_save(), regs) < 0) + force_sigsegv(sig, current); + else + signal_delivered(sig, info, ka, regs, + test_thread_flag(TIF_SINGLESTEP)); } /* @@ -281,37 +276,16 @@ asmlinkage void do_signal(struct pt_regs *regs) siginfo_t info; int signr; struct k_sigaction ka; - sigset_t *oldset; current->thread.esp0 = (unsigned long)regs; - if (try_to_freeze()) - goto no_signal; - - if (test_thread_flag(TIF_RESTORE_SIGMASK)) - oldset = ¤t->saved_sigmask; - else - oldset = ¤t->blocked; - signr = get_signal_to_deliver(&info, &ka, regs, NULL); if (signr > 0) { /* Whee! Actually deliver the signal. */ - if (handle_signal(signr, &info, &ka, oldset, regs) == 0) { - /* a signal was successfully delivered; the saved - * sigmask will have been stored in the signal frame, - * and will be restored by sigreturn, so we can simply - * clear the TIF_RESTORE_SIGMASK flag */ - if (test_thread_flag(TIF_RESTORE_SIGMASK)) - clear_thread_flag(TIF_RESTORE_SIGMASK); - - tracehook_signal_handler(signr, &info, &ka, regs, - test_thread_flag(TIF_SINGLESTEP)); - } - + handle_signal(signr, &info, &ka, regs); return; } - no_signal: /* Did we come from a system call? */ if (regs->orig_p0 >= 0) /* Restart the system call - no handlers present */ @@ -319,10 +293,7 @@ asmlinkage void do_signal(struct pt_regs *regs) /* if there's no signal to deliver, we just put the saved sigmask * back */ - if (test_thread_flag(TIF_RESTORE_SIGMASK)) { - clear_thread_flag(TIF_RESTORE_SIGMASK); - sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); - } + restore_saved_sigmask(); } /* @@ -330,14 +301,12 @@ asmlinkage void do_signal(struct pt_regs *regs) */ asmlinkage void do_notify_resume(struct pt_regs *regs) { - if (test_thread_flag(TIF_SIGPENDING) || test_thread_flag(TIF_RESTORE_SIGMASK)) + if (test_thread_flag(TIF_SIGPENDING)) do_signal(regs); if (test_thread_flag(TIF_NOTIFY_RESUME)) { clear_thread_flag(TIF_NOTIFY_RESUME); tracehook_notify_resume(regs); - if (current->replacement_session_keyring) - key_replace_session_keyring(); } } diff --git a/arch/blackfin/kernel/trace.c b/arch/blackfin/kernel/trace.c index 44bbf2f564c..f7f7a18abca 100644 --- a/arch/blackfin/kernel/trace.c +++ b/arch/blackfin/kernel/trace.c @@ -10,6 +10,8 @@ #include <linux/hardirq.h> #include <linux/thread_info.h> #include <linux/mm.h> +#include <linux/oom.h> +#include <linux/sched.h> #include <linux/uaccess.h> #include <linux/module.h> #include <linux/kallsyms.h> @@ -27,8 +29,7 @@ void decode_address(char *buf, unsigned long address) { struct task_struct *p; struct mm_struct *mm; - unsigned long flags, offset; - unsigned char in_atomic = (bfin_read_IPEND() & 0x10) || in_atomic(); + unsigned long offset; struct rb_node *n; #ifdef CONFIG_KALLSYMS @@ -112,17 +113,17 @@ void decode_address(char *buf, unsigned long address) * mappings of all our processes and see if we can't be a whee * bit more specific */ - write_lock_irqsave(&tasklist_lock, flags); + read_lock(&tasklist_lock); for_each_process(p) { - mm = (in_atomic ? p->mm : get_task_mm(p)); - if (!mm) - continue; + struct task_struct *t; - if (!down_read_trylock(&mm->mmap_sem)) { - if (!in_atomic) - mmput(mm); + t = find_lock_task_mm(p); + if (!t) continue; - } + + mm = t->mm; + if (!down_read_trylock(&mm->mmap_sem)) + goto __continue; for (n = rb_first(&mm->mm_rb); n; n = rb_next(n)) { struct vm_area_struct *vma; @@ -131,7 +132,7 @@ void decode_address(char *buf, unsigned long address) if (address >= vma->vm_start && address < vma->vm_end) { char _tmpbuf[256]; - char *name = p->comm; + char *name = t->comm; struct file *file = vma->vm_file; if (file) { @@ -164,8 +165,7 @@ void decode_address(char *buf, unsigned long address) name, vma->vm_start, vma->vm_end); up_read(&mm->mmap_sem); - if (!in_atomic) - mmput(mm); + task_unlock(t); if (buf[0] == '\0') sprintf(buf, "[ %s ] dynamic memory", name); @@ -175,8 +175,8 @@ void decode_address(char *buf, unsigned long address) } up_read(&mm->mmap_sem); - if (!in_atomic) - mmput(mm); +__continue: + task_unlock(t); } /* @@ -186,7 +186,7 @@ void decode_address(char *buf, unsigned long address) sprintf(buf, "/* kernel dynamic memory */"); done: - write_unlock_irqrestore(&tasklist_lock, flags); + read_unlock(&tasklist_lock); } #define EXPAND_LEN ((1 << CONFIG_DEBUG_BFIN_HWTRACE_EXPAND_LEN) * 256 - 1) diff --git a/arch/blackfin/mach-bf561/boards/acvilon.c b/arch/blackfin/mach-bf561/boards/acvilon.c index f6ffd6f054c..0b74218fdd3 100644 --- a/arch/blackfin/mach-bf561/boards/acvilon.c +++ b/arch/blackfin/mach-bf561/boards/acvilon.c @@ -248,8 +248,6 @@ static struct platform_device bfin_uart0_device = { #if defined(CONFIG_MTD_NAND_PLATFORM) || defined(CONFIG_MTD_NAND_PLATFORM_MODULE) -const char *part_probes[] = { "cmdlinepart", NULL }; - static struct mtd_partition bfin_plat_nand_partitions[] = { { .name = "params(nand)", @@ -289,7 +287,6 @@ static struct platform_nand_data bfin_plat_nand_data = { .chip = { .nr_chips = 1, .chip_delay = 30, - .part_probe_types = part_probes, .partitions = bfin_plat_nand_partitions, .nr_partitions = ARRAY_SIZE(bfin_plat_nand_partitions), }, diff --git a/arch/blackfin/mach-common/entry.S b/arch/blackfin/mach-common/entry.S index 80aa2535e2c..04c2fbe41a7 100644 --- a/arch/blackfin/mach-common/entry.S +++ b/arch/blackfin/mach-common/entry.S @@ -711,8 +711,6 @@ ENTRY(_system_call) jump .Lresume_userspace_1; .Lsyscall_sigpending: - cc = BITTST(r7, TIF_RESTORE_SIGMASK); - if cc jump .Lsyscall_do_signals; cc = BITTST(r7, TIF_SIGPENDING); if cc jump .Lsyscall_do_signals; cc = BITTST(r7, TIF_NOTIFY_RESUME); diff --git a/arch/c6x/kernel/signal.c b/arch/c6x/kernel/signal.c index cf37478c116..3d8f3c22a94 100644 --- a/arch/c6x/kernel/signal.c +++ b/arch/c6x/kernel/signal.c @@ -20,8 +20,6 @@ #include <asm/cacheflush.h> -#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) - /* * Do a signal return, undo the signal stack. */ @@ -87,7 +85,6 @@ asmlinkage int do_rt_sigreturn(struct pt_regs *regs) if (__copy_from_user(&set, &frame->uc.uc_sigmask, sizeof(set))) goto badframe; - sigdelsetmask(&set, ~_BLOCKABLE); set_current_blocked(&set); if (restore_sigcontext(regs, &frame->uc.uc_mcontext)) @@ -248,10 +245,9 @@ do_restart: /* * handle the actual delivery of a signal to userspace */ -static int handle_signal(int sig, +static void handle_signal(int sig, siginfo_t *info, struct k_sigaction *ka, - sigset_t *oldset, struct pt_regs *regs, - int syscall) + struct pt_regs *regs, int syscall) { int ret; @@ -278,11 +274,9 @@ static int handle_signal(int sig, } /* Set up the stack frame */ - ret = setup_rt_frame(sig, ka, info, oldset, regs); - if (ret == 0) - block_sigmask(ka, sig); - - return ret; + if (setup_rt_frame(sig, ka, info, sigmask_to_save(), regs) < 0) + return; + signal_delivered(sig, info, ka, regs, 0); } /* @@ -292,7 +286,6 @@ static void do_signal(struct pt_regs *regs, int syscall) { struct k_sigaction ka; siginfo_t info; - sigset_t *oldset; int signr; /* we want the common case to go fast, which is why we may in certain @@ -300,25 +293,9 @@ static void do_signal(struct pt_regs *regs, int syscall) if (!user_mode(regs)) return; - if (test_thread_flag(TIF_RESTORE_SIGMASK)) - oldset = ¤t->saved_sigmask; - else - oldset = ¤t->blocked; - signr = get_signal_to_deliver(&info, &ka, regs, NULL); if (signr > 0) { - if (handle_signal(signr, &info, &ka, oldset, - regs, syscall) == 0) { - /* a signal was successfully delivered; the saved - * sigmask will have been stored in the signal frame, - * and will be restored by sigreturn, so we can simply - * clear the TIF_RESTORE_SIGMASK flag */ - if (test_thread_flag(TIF_RESTORE_SIGMASK)) - clear_thread_flag(TIF_RESTORE_SIGMASK); - - tracehook_signal_handler(signr, &info, &ka, regs, 0); - } - + handle_signal(signr, &info, &ka, regs, syscall); return; } @@ -343,10 +320,7 @@ static void do_signal(struct pt_regs *regs, int syscall) /* if there's no signal to deliver, we just put the saved sigmask * back */ - if (test_thread_flag(TIF_RESTORE_SIGMASK)) { - clear_thread_flag(TIF_RESTORE_SIGMASK); - sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); - } + restore_saved_sigmask(); } /* @@ -357,14 +331,11 @@ asmlinkage void do_notify_resume(struct pt_regs *regs, u32 thread_info_flags, int syscall) { /* deal with pending signal delivery */ - if (thread_info_flags & ((1 << TIF_SIGPENDING) | - (1 << TIF_RESTORE_SIGMASK))) + if (thread_info_flags & (1 << TIF_SIGPENDING)) do_signal(regs, syscall); if (thread_info_flags & (1 << TIF_NOTIFY_RESUME)) { clear_thread_flag(TIF_NOTIFY_RESUME); tracehook_notify_resume(regs); - if (current->replacement_session_keyring) - key_replace_session_keyring(); } } diff --git a/arch/cris/Kconfig b/arch/cris/Kconfig index 22d34d64cc8..bb344650a14 100644 --- a/arch/cris/Kconfig +++ b/arch/cris/Kconfig @@ -40,6 +40,7 @@ config CRIS bool default y select HAVE_IDE + select GENERIC_ATOMIC64 select HAVE_GENERIC_HARDIRQS select GENERIC_IRQ_SHOW select GENERIC_IOMAP diff --git a/arch/cris/arch-v10/kernel/signal.c b/arch/cris/arch-v10/kernel/signal.c index e16f8f297f6..0bb477c13a4 100644 --- a/arch/cris/arch-v10/kernel/signal.c +++ b/arch/cris/arch-v10/kernel/signal.c @@ -31,8 +31,6 @@ #define DEBUG_SIG 0 -#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) - /* a syscall in Linux/CRIS is a break 13 instruction which is 2 bytes */ /* manipulate regs so that upon return, it will be re-executed */ @@ -176,7 +174,6 @@ asmlinkage int sys_sigreturn(long r10, long r11, long r12, long r13, long mof, sizeof(frame->extramask)))) goto badframe; - sigdelsetmask(&set, ~_BLOCKABLE); set_current_blocked(&set); if (restore_sigcontext(regs, &frame->sc)) @@ -212,7 +209,6 @@ asmlinkage int sys_rt_sigreturn(long r10, long r11, long r12, long r13, if (__copy_from_user(&set, &frame->uc.uc_sigmask, sizeof(set))) goto badframe; - sigdelsetmask(&set, ~_BLOCKABLE); set_current_blocked(&set); if (restore_sigcontext(regs, &frame->uc.uc_mcontext)) @@ -415,10 +411,11 @@ give_sigsegv: * OK, we're invoking a handler */ -static inline int handle_signal(int canrestart, unsigned long sig, +static inline void handle_signal(int canrestart, unsigned long sig, siginfo_t *info, struct k_sigaction *ka, - sigset_t *oldset, struct pt_regs *regs) + struct pt_regs *regs) { + sigset_t *oldset = sigmask_to_save(); int ret; /* Are we from a system call? */ @@ -456,9 +453,7 @@ static inline int handle_signal(int canrestart, unsigned long sig, ret = setup_frame(sig, ka, oldset, regs); if (ret == 0) - block_sigmask(ka, sig); - - return ret; + signal_delivered(sig, info, ka, regs, 0); } /* @@ -478,7 +473,6 @@ void do_signal(int canrestart, struct pt_regs *regs) siginfo_t info; int signr; struct k_sigaction ka; - sigset_t *oldset; /* * We want the common case to go fast, which @@ -489,23 +483,10 @@ void do_signal(int canrestart, struct pt_regs *regs) if (!user_mode(regs)) return; - if (test_thread_flag(TIF_RESTORE_SIGMASK)) - oldset = ¤t->saved_sigmask; - else - oldset = ¤t->blocked; - signr = get_signal_to_deliver(&info, &ka, regs, NULL); if (signr > 0) { /* Whee! Actually deliver the signal. */ - if (handle_signal(canrestart, signr, &info, &ka, - oldset, regs)) { - /* a signal was successfully delivered; the saved - * sigmask will have been stored in the signal frame, - * and will be restored by sigreturn, so we can simply - * clear the TIF_RESTORE_SIGMASK flag */ - if (test_thread_flag(TIF_RESTORE_SIGMASK)) - clear_thread_flag(TIF_RESTORE_SIGMASK); - } + handle_signal(canrestart, signr, &info, &ka, regs); return; } @@ -525,8 +506,5 @@ void do_signal(int canrestart, struct pt_regs *regs) /* if there's no signal to deliver, we just put the saved sigmask * back */ - if (test_thread_flag(TIF_RESTORE_SIGMASK)) { - clear_thread_flag(TIF_RESTORE_SIGMASK); - sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); - } + restore_saved_sigmask(); } diff --git a/arch/cris/arch-v32/kernel/signal.c b/arch/cris/arch-v32/kernel/signal.c index b338d8fc0c1..b60d1b65a42 100644 --- a/arch/cris/arch-v32/kernel/signal.c +++ b/arch/cris/arch-v32/kernel/signal.c @@ -24,9 +24,6 @@ extern unsigned long cris_signal_return_page; -/* Flag to check if a signal is blockable. */ -#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) - /* * A syscall in CRIS is really a "break 13" instruction, which is 2 * bytes. The registers is manipulated so upon return the instruction @@ -167,7 +164,6 @@ sys_sigreturn(long r10, long r11, long r12, long r13, long mof, long srp, sizeof(frame->extramask)))) goto badframe; - sigdelsetmask(&set, ~_BLOCKABLE); set_current_blocked(&set); if (restore_sigcontext(regs, &frame->sc)) @@ -208,7 +204,6 @@ sys_rt_sigreturn(long r10, long r11, long r12, long r13, long mof, long srp, if (__copy_from_user(&set, &frame->uc.uc_sigmask, sizeof(set))) goto badframe; - sigdelsetmask(&set, ~_BLOCKABLE); set_current_blocked(&set); if (restore_sigcontext(regs, &frame->uc.uc_mcontext)) @@ -434,11 +429,12 @@ give_sigsegv: } /* Invoke a signal handler to, well, handle the signal. */ -static inline int +static inline void handle_signal(int canrestart, unsigned long sig, siginfo_t *info, struct k_sigaction *ka, - sigset_t *oldset, struct pt_regs * regs) + struct pt_regs * regs) { + sigset_t *oldset = sigmask_to_save(); int ret; /* Check if this got called from a system call. */ @@ -489,9 +485,7 @@ handle_signal(int canrestart, unsigned long sig, ret = setup_frame(sig, ka, oldset, regs); if (ret == 0) - block_sigmask(ka, sig); - - return ret; + signal_delivered(sig, info, ka, regs, 0); } /* @@ -511,7 +505,6 @@ do_signal(int canrestart, struct pt_regs *regs) int signr; siginfo_t info; struct k_sigaction ka; - sigset_t *oldset; /* * The common case should go fast, which is why this point is @@ -521,25 +514,11 @@ do_signal(int canrestart, struct pt_regs *regs) if (!user_mode(regs)) return; - if (test_thread_flag(TIF_RESTORE_SIGMASK)) - oldset = ¤t->saved_sigmask; - else - oldset = ¤t->blocked; - signr = get_signal_to_deliver(&info, &ka, regs, NULL); if (signr > 0) { /* Whee! Actually deliver the signal. */ - if (handle_signal(canrestart, signr, &info, &ka, - oldset, regs)) { - /* a signal was successfully delivered; the saved - * sigmask will have been stored in the signal frame, - * and will be restored by sigreturn, so we can simply - * clear the TIF_RESTORE_SIGMASK flag */ - if (test_thread_flag(TIF_RESTORE_SIGMASK)) - clear_thread_flag(TIF_RESTORE_SIGMASK); - } - + handle_signal(canrestart, signr, &info, &ka, regs); return; } @@ -560,10 +539,7 @@ do_signal(int canrestart, struct pt_regs *regs) /* if there's no signal to deliver, we just put the saved sigmask * back */ - if (test_thread_flag(TIF_RESTORE_SIGMASK)) { - clear_thread_flag(TIF_RESTORE_SIGMASK); - sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); - } + restore_saved_sigmask(); } asmlinkage void diff --git a/arch/cris/include/asm/posix_types.h b/arch/cris/include/asm/posix_types.h index 234891c74e2..ce4e5179315 100644 --- a/arch/cris/include/asm/posix_types.h +++ b/arch/cris/include/asm/posix_types.h @@ -15,9 +15,6 @@ typedef unsigned short __kernel_mode_t; #define __kernel_mode_t __kernel_mode_t -typedef unsigned short __kernel_nlink_t; -#define __kernel_nlink_t __kernel_nlink_t - typedef unsigned short __kernel_ipc_pid_t; #define __kernel_ipc_pid_t __kernel_ipc_pid_t diff --git a/arch/cris/kernel/ptrace.c b/arch/cris/kernel/ptrace.c index d114ad3da9b..58d44ee1a71 100644 --- a/arch/cris/kernel/ptrace.c +++ b/arch/cris/kernel/ptrace.c @@ -40,7 +40,5 @@ void do_notify_resume(int canrestart, struct pt_regs *regs, if (thread_info_flags & _TIF_NOTIFY_RESUME) { clear_thread_flag(TIF_NOTIFY_RESUME); tracehook_notify_resume(regs); - if (current->replacement_session_keyring) - key_replace_session_keyring(); } } diff --git a/arch/frv/include/asm/posix_types.h b/arch/frv/include/asm/posix_types.h index 3f34cb45fbb..fe512af74a5 100644 --- a/arch/frv/include/asm/posix_types.h +++ b/arch/frv/include/asm/posix_types.h @@ -10,9 +10,6 @@ typedef unsigned short __kernel_mode_t; #define __kernel_mode_t __kernel_mode_t -typedef unsigned short __kernel_nlink_t; -#define __kernel_nlink_t __kernel_nlink_t - typedef unsigned short __kernel_ipc_pid_t; #define __kernel_ipc_pid_t __kernel_ipc_pid_t diff --git a/arch/frv/include/asm/thread_info.h b/arch/frv/include/asm/thread_info.h index 54ab13a0de4..0ff03a33c81 100644 --- a/arch/frv/include/asm/thread_info.h +++ b/arch/frv/include/asm/thread_info.h @@ -94,8 +94,8 @@ register struct thread_info *__current_thread_info asm("gr15"); #define TIF_NEED_RESCHED 3 /* rescheduling necessary */ #define TIF_SINGLESTEP 4 /* restore singlestep on return to user mode */ #define TIF_RESTORE_SIGMASK 5 /* restore signal mask in do_signal() */ -#define TIF_POLLING_NRFLAG 16 /* true if poll_idle() is polling TIF_NEED_RESCHED */ -#define TIF_MEMDIE 17 /* is terminating due to OOM killer */ +#define TIF_POLLING_NRFLAG 6 /* true if poll_idle() is polling TIF_NEED_RESCHED */ +#define TIF_MEMDIE 7 /* is terminating due to OOM killer */ #define _TIF_SYSCALL_TRACE (1 << TIF_SYSCALL_TRACE) #define _TIF_NOTIFY_RESUME (1 << TIF_NOTIFY_RESUME) @@ -105,8 +105,16 @@ register struct thread_info *__current_thread_info asm("gr15"); #define _TIF_RESTORE_SIGMASK (1 << TIF_RESTORE_SIGMASK) #define _TIF_POLLING_NRFLAG (1 << TIF_POLLING_NRFLAG) -#define _TIF_WORK_MASK 0x0000FFFE /* work to do on interrupt/exception return */ -#define _TIF_ALLWORK_MASK 0x0000FFFF /* work to do on any return to u-space */ +/* work to do on interrupt/exception return */ +#define _TIF_WORK_MASK \ + (_TIF_NOTIFY_RESUME | _TIF_SIGPENDING | _TIF_NEED_RESCHED | _TIF_SINGLESTEP) + +/* work to do on any return to u-space */ +#define _TIF_ALLWORK_MASK (_TIF_WORK_MASK | _TIF_SYSCALL_TRACE) + +#if _TIF_ALLWORK_MASK >= 0x2000 +#error "_TIF_ALLWORK_MASK won't fit in an ANDI now (see entry.S)" +#endif /* * Thread-synchronous status. diff --git a/arch/frv/kernel/entry.S b/arch/frv/kernel/entry.S index 5ba23f715ea..7d5e000fd32 100644 --- a/arch/frv/kernel/entry.S +++ b/arch/frv/kernel/entry.S @@ -905,18 +905,19 @@ __syscall_call: __syscall_exit: LEDS 0x6300 - sti gr8,@(gr28,#REG_GR(8)) ; save return value + # keep current PSR in GR23 + movsg psr,gr23 - # rebuild saved psr - execve will change it for init/main.c ldi @(gr28,#REG_PSR),gr22 + + sti.p gr8,@(gr28,#REG_GR(8)) ; save return value + + # rebuild saved psr - execve will change it for init/main.c srli gr22,#1,gr5 andi.p gr22,#~PSR_PS,gr22 andi gr5,#PSR_PS,gr5 or gr5,gr22,gr22 - ori gr22,#PSR_S,gr22 - - # keep current PSR in GR23 - movsg psr,gr23 + ori.p gr22,#PSR_S,gr22 # make sure we don't miss an interrupt setting need_resched or sigpending between # sampling and the RETT @@ -924,9 +925,7 @@ __syscall_exit: movgs gr23,psr ldi @(gr15,#TI_FLAGS),gr4 - sethi.p %hi(_TIF_ALLWORK_MASK),gr5 - setlo %lo(_TIF_ALLWORK_MASK),gr5 - andcc gr4,gr5,gr0,icc0 + andicc gr4,#_TIF_ALLWORK_MASK,gr0,icc0 bne icc0,#0,__syscall_exit_work # restore all registers and return @@ -1111,9 +1110,7 @@ __entry_resume_userspace: __entry_return_from_user_interrupt: LEDS 0x6402 ldi @(gr15,#TI_FLAGS),gr4 - sethi.p %hi(_TIF_WORK_MASK),gr5 - setlo %lo(_TIF_WORK_MASK),gr5 - andcc gr4,gr5,gr0,icc0 + andicc gr4,#_TIF_WORK_MASK,gr0,icc0 beq icc0,#1,__entry_return_direct __entry_work_pending: @@ -1133,9 +1130,7 @@ __entry_work_resched: LEDS 0x6401 ldi @(gr15,#TI_FLAGS),gr4 - sethi.p %hi(_TIF_WORK_MASK),gr5 - setlo %lo(_TIF_WORK_MASK),gr5 - andcc gr4,gr5,gr0,icc0 + andicc gr4,#_TIF_WORK_MASK,gr0,icc0 beq icc0,#1,__entry_return_direct andicc gr4,#_TIF_NEED_RESCHED,gr0,icc0 bne icc0,#1,__entry_work_resched @@ -1163,7 +1158,9 @@ __syscall_trace_entry: # perform syscall exit tracing __syscall_exit_work: LEDS 0x6340 - andicc gr4,#_TIF_SYSCALL_TRACE,gr0,icc0 + andicc gr22,#PSR_PS,gr0,icc1 ; don't handle on return to kernel mode + andicc.p gr4,#_TIF_SYSCALL_TRACE,gr0,icc0 + bne icc1,#0,__entry_return_direct beq icc0,#1,__entry_work_pending movsg psr,gr23 diff --git a/arch/frv/kernel/signal.c b/arch/frv/kernel/signal.c index 8cf5dca0175..864c2f0d497 100644 --- a/arch/frv/kernel/signal.c +++ b/arch/frv/kernel/signal.c @@ -28,8 +28,6 @@ #define DEBUG_SIG 0 -#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) - struct fdpic_func_descriptor { unsigned long text; unsigned long GOT; @@ -149,7 +147,6 @@ asmlinkage int sys_sigreturn(void) __copy_from_user(&set.sig[1], &frame->extramask, sizeof(frame->extramask))) goto badframe; - sigdelsetmask(&set, ~_BLOCKABLE); set_current_blocked(&set); if (restore_sigcontext(&frame->sc, &gr8)) @@ -172,7 +169,6 @@ asmlinkage int sys_rt_sigreturn(void) if (__copy_from_user(&set, &frame->uc.uc_sigmask, sizeof(set))) goto badframe; - sigdelsetmask(&set, ~_BLOCKABLE); set_current_blocked(&set); if (restore_sigcontext(&frame->uc.uc_mcontext, &gr8)) @@ -426,9 +422,10 @@ give_sigsegv: /* * OK, we're invoking a handler */ -static int handle_signal(unsigned long sig, siginfo_t *info, - struct k_sigaction *ka, sigset_t *oldset) +static void handle_signal(unsigned long sig, siginfo_t *info, + struct k_sigaction *ka) { + sigset_t *oldset = sigmask_to_save(); int ret; /* Are we from a system call? */ @@ -460,11 +457,11 @@ static int handle_signal(unsigned long sig, siginfo_t *info, else ret = setup_frame(sig, ka, oldset); - if (ret == 0) - block_sigmask(ka, sig); - - return ret; + if (ret) + return; + signal_delivered(sig, info, ka, __frame, + test_thread_flag(TIF_SINGLESTEP)); } /* end handle_signal() */ /*****************************************************************************/ @@ -477,44 +474,14 @@ static void do_signal(void) { struct k_sigaction ka; siginfo_t info; - sigset_t *oldset; int signr; - /* - * We want the common case to go fast, which - * is why we may in certain cases get here from - * kernel mode. Just return without doing anything - * if so. - */ - if (!user_mode(__frame)) - return; - - if (try_to_freeze()) - goto no_signal; - - if (test_thread_flag(TIF_RESTORE_SIGMASK)) - oldset = ¤t->saved_sigmask; - else - oldset = ¤t->blocked; - signr = get_signal_to_deliver(&info, &ka, __frame, NULL); if (signr > 0) { - if (handle_signal(signr, &info, &ka, oldset) == 0) { - /* a signal was successfully delivered; the saved - * sigmask will have been stored in the signal frame, - * and will be restored by sigreturn, so we can simply - * clear the TIF_RESTORE_SIGMASK flag */ - if (test_thread_flag(TIF_RESTORE_SIGMASK)) - clear_thread_flag(TIF_RESTORE_SIGMASK); - - tracehook_signal_handler(signr, &info, &ka, __frame, - test_thread_flag(TIF_SINGLESTEP)); - } - + handle_signal(signr, &info, &ka); return; } -no_signal: /* Did we come from a system call? */ if (__frame->syscallno != -1) { /* Restart the system call - no handlers present */ @@ -536,11 +503,7 @@ no_signal: /* if there's no signal to deliver, we just put the saved sigmask * back */ - if (test_thread_flag(TIF_RESTORE_SIGMASK)) { - clear_thread_flag(TIF_RESTORE_SIGMASK); - sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); - } - + restore_saved_sigmask(); } /* end do_signal() */ /*****************************************************************************/ @@ -555,15 +518,13 @@ asmlinkage void do_notify_resume(__u32 thread_info_flags) clear_thread_flag(TIF_SINGLESTEP); /* deal with pending signal delivery */ - if (thread_info_flags & (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK)) + if (thread_info_flags & _TIF_SIGPENDING) do_signal(); /* deal with notification on about to resume userspace execution */ if (thread_info_flags & _TIF_NOTIFY_RESUME) { clear_thread_flag(TIF_NOTIFY_RESUME); tracehook_notify_resume(__frame); - if (current->replacement_session_keyring) - key_replace_session_keyring(); } } /* end do_notify_resume() */ diff --git a/arch/h8300/include/asm/posix_types.h b/arch/h8300/include/asm/posix_types.h index bc4c34efb1a..91e62ba4c7b 100644 --- a/arch/h8300/include/asm/posix_types.h +++ b/arch/h8300/include/asm/posix_types.h @@ -10,9 +10,6 @@ typedef unsigned short __kernel_mode_t; #define __kernel_mode_t __kernel_mode_t -typedef unsigned short __kernel_nlink_t; -#define __kernel_nlink_t __kernel_nlink_t - typedef unsigned short __kernel_ipc_pid_t; #define __kernel_ipc_pid_t __kernel_ipc_pid_t diff --git a/arch/h8300/kernel/signal.c b/arch/h8300/kernel/signal.c index d4b0555d290..fca10378701 100644 --- a/arch/h8300/kernel/signal.c +++ b/arch/h8300/kernel/signal.c @@ -47,8 +47,6 @@ #include <asm/traps.h> #include <asm/ucontext.h> -#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) - /* * Atomically swap in the new signal mask, and wait for a signal. */ @@ -186,7 +184,6 @@ asmlinkage int do_sigreturn(unsigned long __unused,...) sizeof(frame->extramask)))) goto badframe; - sigdelsetmask(&set, ~_BLOCKABLE); set_current_blocked(&set); if (restore_sigcontext(regs, &frame->sc, &er0)) @@ -211,7 +208,6 @@ asmlinkage int do_rt_sigreturn(unsigned long __unused,...) if (__copy_from_user(&set, &frame->uc.uc_sigmask, sizeof(set))) goto badframe; - sigdelsetmask(&set, ~_BLOCKABLE); set_current_blocked(&set); if (restore_sigcontext(regs, &frame->uc.uc_mcontext, &er0)) @@ -412,8 +408,9 @@ give_sigsegv: */ static void handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka, - sigset_t *oldset, struct pt_regs * regs) + struct pt_regs * regs) { + sigset_t *oldset = sigmask_to_save(); int ret; /* are we from a system call? */ if (regs->orig_er0 >= 0) { @@ -441,10 +438,8 @@ handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka, else ret = setup_frame(sig, ka, oldset, regs); - if (!ret) { - block_sigmask(ka, sig); - clear_thread_flag(TIF_RESTORE_SIGMASK); - } + if (!ret) + signal_delivered(sig, info, ka, regs, 0); } /* @@ -457,7 +452,6 @@ statis void do_signal(struct pt_regs *regs) siginfo_t info; int signr; struct k_sigaction ka; - sigset_t *oldset; /* * We want the common case to go fast, which @@ -468,23 +462,14 @@ statis void do_signal(struct pt_regs *regs) if ((regs->ccr & 0x10)) return; - if (try_to_freeze()) - goto no_signal; - current->thread.esp0 = (unsigned long) regs; - if (test_thread_flag(TIF_RESTORE_SIGMASK)) - oldset = ¤t->saved_sigmask; - else - oldset = ¤t->blocked; - signr = get_signal_to_deliver(&info, &ka, regs, NULL); if (signr > 0) { /* Whee! Actually deliver the signal. */ - handle_signal(signr, &info, &ka, oldset, regs); + handle_signal(signr, &info, &ka, regs); return; } - no_signal: /* Did we come from a system call? */ if (regs->orig_er0 >= 0) { /* Restart the system call - no handlers present */ @@ -501,8 +486,7 @@ statis void do_signal(struct pt_regs *regs) } /* If there's no signal to deliver, we just restore the saved mask. */ - if (test_and_clear_thread_flag(TIF_RESTORE_SIGMASK)) - set_current_blocked(¤t->saved_sigmask); + restore_saved_sigmask(); } asmlinkage void do_notify_resume(struct pt_regs *regs, u32 thread_info_flags) @@ -513,7 +497,5 @@ asmlinkage void do_notify_resume(struct pt_regs *regs, u32 thread_info_flags) if (thread_info_flags & _TIF_NOTIFY_RESUME) { clear_thread_flag(TIF_NOTIFY_RESUME); tracehook_notify_resume(regs); - if (current->replacement_session_keyring) - key_replace_session_keyring(); } } diff --git a/arch/hexagon/kernel/signal.c b/arch/hexagon/kernel/signal.c index 434866eb0f1..304b0808d07 100644 --- a/arch/hexagon/kernel/signal.c +++ b/arch/hexagon/kernel/signal.c @@ -31,8 +31,6 @@ #include <asm/signal.h> #include <asm/vdso.h> -#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) - struct rt_sigframe { unsigned long tramp[2]; struct siginfo info; @@ -149,11 +147,9 @@ sigsegv: /* * Setup invocation of signal handler */ -static int handle_signal(int sig, siginfo_t *info, struct k_sigaction *ka, - sigset_t *oldset, struct pt_regs *regs) +static void handle_signal(int sig, siginfo_t *info, struct k_sigaction *ka, + struct pt_regs *regs) { - int rc; - /* * If we're handling a signal that aborted a system call, * set up the error return value before adding the signal @@ -186,15 +182,12 @@ static int handle_signal(int sig, siginfo_t *info, struct k_sigaction *ka, * Set up the stack frame; not doing the SA_SIGINFO thing. We * only set up the rt_frame flavor. */ - rc = setup_rt_frame(sig, ka, info, oldset, regs); - /* If there was an error on setup, no signal was delivered. */ - if (rc) - return rc; - - block_sigmask(ka, sig); + if (setup_rt_frame(sig, ka, info, sigmask_to_save(), regs) < 0) + return; - return 0; + signal_delivered(sig, info, ka, regs, + test_thread_flag(TIF_SINGLESTEP)); } /* @@ -209,34 +202,13 @@ static void do_signal(struct pt_regs *regs) if (!user_mode(regs)) return; - if (try_to_freeze()) - goto no_signal; - signo = get_signal_to_deliver(&info, &sigact, regs, NULL); if (signo > 0) { - sigset_t *oldset; - - if (test_thread_flag(TIF_RESTORE_SIGMASK)) - oldset = ¤t->saved_sigmask; - else - oldset = ¤t->blocked; - - if (handle_signal(signo, &info, &sigact, oldset, regs) == 0) { - /* - * Successful delivery case. The saved sigmask is - * stored in the signal frame, and will be restored - * by sigreturn. We can clear the TIF flag. - */ - clear_thread_flag(TIF_RESTORE_SIGMASK); - - tracehook_signal_handler(signo, &info, &sigact, regs, - test_thread_flag(TIF_SINGLESTEP)); - } + handle_signal(signo, &info, &sigact, regs); return; } -no_signal: /* * If we came from a system call, handle the restart. */ @@ -259,10 +231,7 @@ no_signal: no_restart: /* If there's no signal to deliver, put the saved sigmask back */ - if (test_thread_flag(TIF_RESTORE_SIGMASK)) { - clear_thread_flag(TIF_RESTORE_SIGMASK); - sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); - } + restore_saved_sigmask(); } void do_notify_resume(struct pt_regs *regs, unsigned long thread_info_flags) @@ -273,8 +242,6 @@ void do_notify_resume(struct pt_regs *regs, unsigned long thread_info_flags) if (thread_info_flags & _TIF_NOTIFY_RESUME) { clear_thread_flag(TIF_NOTIFY_RESUME); tracehook_notify_resume(regs); - if (current->replacement_session_keyring) - key_replace_session_keyring(); } } @@ -303,7 +270,6 @@ asmlinkage int sys_rt_sigreturn(void) if (__copy_from_user(&blocked, &frame->uc.uc_sigmask, sizeof(blocked))) goto badframe; - sigdelsetmask(&blocked, ~_BLOCKABLE); set_current_blocked(&blocked); if (restore_sigcontext(regs, &frame->uc.uc_mcontext)) diff --git a/arch/ia64/include/asm/posix_types.h b/arch/ia64/include/asm/posix_types.h index 7323ab9467e..99ee1d6510c 100644 --- a/arch/ia64/include/asm/posix_types.h +++ b/arch/ia64/include/asm/posix_types.h @@ -1,9 +1,6 @@ #ifndef _ASM_IA64_POSIX_TYPES_H #define _ASM_IA64_POSIX_TYPES_H -typedef unsigned int __kernel_nlink_t; -#define __kernel_nlink_t __kernel_nlink_t - typedef unsigned long __kernel_sigset_t; /* at least 32 bits */ #include <asm-generic/posix_types.h> diff --git a/arch/ia64/include/asm/thread_info.h b/arch/ia64/include/asm/thread_info.h index 310d9734f02..f7ee8537831 100644 --- a/arch/ia64/include/asm/thread_info.h +++ b/arch/ia64/include/asm/thread_info.h @@ -141,7 +141,23 @@ static inline void set_restore_sigmask(void) { struct thread_info *ti = current_thread_info(); ti->status |= TS_RESTORE_SIGMASK; - set_bit(TIF_SIGPENDING, &ti->flags); + WARN_ON(!test_bit(TIF_SIGPENDING, &ti->flags)); +} +static inline void clear_restore_sigmask(void) +{ + current_thread_info()->status &= ~TS_RESTORE_SIGMASK; +} +static inline bool test_restore_sigmask(void) +{ + return current_thread_info()->status & TS_RESTORE_SIGMASK; +} +static inline bool test_and_clear_restore_sigmask(void) +{ + struct thread_info *ti = current_thread_info(); + if (!(ti->status & TS_RESTORE_SIGMASK)) + return false; + ti->status &= ~TS_RESTORE_SIGMASK; + return true; } #endif /* !__ASSEMBLY__ */ diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c index f00ba025375..d7f558c1e71 100644 --- a/arch/ia64/kernel/perfmon.c +++ b/arch/ia64/kernel/perfmon.c @@ -604,12 +604,6 @@ pfm_unprotect_ctx_ctxsw(pfm_context_t *x, unsigned long f) spin_unlock(&(x)->ctx_lock); } -static inline unsigned long -pfm_get_unmapped_area(struct file *file, unsigned long addr, unsigned long len, unsigned long pgoff, unsigned long flags, unsigned long exec) -{ - return get_unmapped_area(file, addr, len, pgoff, flags); -} - /* forward declaration */ static const struct dentry_operations pfmfs_dentry_operations; @@ -2333,8 +2327,8 @@ pfm_smpl_buffer_alloc(struct task_struct *task, struct file *filp, pfm_context_t down_write(&task->mm->mmap_sem); /* find some free area in address space, must have mmap sem held */ - vma->vm_start = pfm_get_unmapped_area(NULL, 0, size, 0, MAP_PRIVATE|MAP_ANONYMOUS, 0); - if (vma->vm_start == 0UL) { + vma->vm_start = get_unmapped_area(NULL, 0, size, 0, MAP_PRIVATE|MAP_ANONYMOUS); + if (IS_ERR_VALUE(vma->vm_start)) { DPRINT(("Cannot find unmapped area for size %ld\n", size)); up_write(&task->mm->mmap_sem); goto error; diff --git a/arch/ia64/kernel/process.c b/arch/ia64/kernel/process.c index 5e0e86ddb12..dd6fc144974 100644 --- a/arch/ia64/kernel/process.c +++ b/arch/ia64/kernel/process.c @@ -199,8 +199,6 @@ do_notify_resume_user(sigset_t *unused, struct sigscratch *scr, long in_syscall) if (test_thread_flag(TIF_NOTIFY_RESUME)) { clear_thread_flag(TIF_NOTIFY_RESUME); tracehook_notify_resume(&scr->pt); - if (current->replacement_session_keyring) - key_replace_session_keyring(); } /* copy user rbs to kernel rbs */ diff --git a/arch/ia64/kernel/signal.c b/arch/ia64/kernel/signal.c index 7523501d3bc..a199be1fe61 100644 --- a/arch/ia64/kernel/signal.c +++ b/arch/ia64/kernel/signal.c @@ -30,7 +30,6 @@ #define DEBUG_SIG 0 #define STACK_ALIGN 16 /* minimal alignment for stack pointer */ -#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) #if _NSIG_WORDS > 1 # define PUT_SIGSET(k,u) __copy_to_user((u)->sig, (k)->sig, sizeof(sigset_t)) @@ -200,7 +199,6 @@ ia64_rt_sigreturn (struct sigscratch *scr) if (GET_SIGSET(&set, &sc->sc_mask)) goto give_sigsegv; - sigdelsetmask(&set, ~_BLOCKABLE); set_current_blocked(&set); if (restore_sigcontext(sc, scr)) @@ -415,18 +413,13 @@ setup_frame (int sig, struct k_sigaction *ka, siginfo_t *info, sigset_t *set, } static long -handle_signal (unsigned long sig, struct k_sigaction *ka, siginfo_t *info, sigset_t *oldset, +handle_signal (unsigned long sig, struct k_sigaction *ka, siginfo_t *info, struct sigscratch *scr) { - if (!setup_frame(sig, ka, info, oldset, scr)) + if (!setup_frame(sig, ka, info, sigmask_to_save(), scr)) return 0; - block_sigmask(ka, sig); - - /* - * Let tracing know that we've done the handler setup. - */ - tracehook_signal_handler(sig, info, ka, &scr->pt, + signal_delivered(sig, info, ka, &scr->pt, test_thread_flag(TIF_SINGLESTEP)); return 1; @@ -440,7 +433,6 @@ void ia64_do_signal (struct sigscratch *scr, long in_syscall) { struct k_sigaction ka; - sigset_t *oldset; siginfo_t info; long restart = in_syscall; long errno = scr->pt.r8; @@ -453,11 +445,6 @@ ia64_do_signal (struct sigscratch *scr, long in_syscall) if (!user_mode(&scr->pt)) return; - if (current_thread_info()->status & TS_RESTORE_SIGMASK) - oldset = ¤t->saved_sigmask; - else - oldset = ¤t->blocked; - /* * This only loops in the rare cases of handle_signal() failing, in which case we * need to push through a forced SIGSEGV. @@ -507,16 +494,8 @@ ia64_do_signal (struct sigscratch *scr, long in_syscall) * Whee! Actually deliver the signal. If the delivery failed, we need to * continue to iterate in this loop so we can deliver the SIGSEGV... */ - if (handle_signal(signr, &ka, &info, oldset, scr)) { - /* - * A signal was successfully delivered; the saved - * sigmask will have been stored in the signal frame, - * and will be restored by sigreturn, so we can simply - * clear the TS_RESTORE_SIGMASK flag. - */ - current_thread_info()->status &= ~TS_RESTORE_SIGMASK; + if (handle_signal(signr, &ka, &info, scr)) return; - } } /* Did we come from a system call? */ @@ -538,8 +517,5 @@ ia64_do_signal (struct sigscratch *scr, long in_syscall) /* if there's no signal to deliver, we just put the saved sigmask * back */ - if (current_thread_info()->status & TS_RESTORE_SIGMASK) { - current_thread_info()->status &= ~TS_RESTORE_SIGMASK; - sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); - } + restore_saved_sigmask(); } diff --git a/arch/ia64/kernel/sys_ia64.c b/arch/ia64/kernel/sys_ia64.c index 609d50056a6..d9439ef2f66 100644 --- a/arch/ia64/kernel/sys_ia64.c +++ b/arch/ia64/kernel/sys_ia64.c @@ -171,22 +171,9 @@ asmlinkage unsigned long ia64_mremap (unsigned long addr, unsigned long old_len, unsigned long new_len, unsigned long flags, unsigned long new_addr) { - extern unsigned long do_mremap (unsigned long addr, - unsigned long old_len, - unsigned long new_len, - unsigned long flags, - unsigned long new_addr); - - down_write(¤t->mm->mmap_sem); - { - addr = do_mremap(addr, old_len, new_len, flags, new_addr); - } - up_write(¤t->mm->mmap_sem); - - if (IS_ERR((void *) addr)) - return addr; - - force_successful_syscall_return(); + addr = sys_mremap(addr, old_len, new_len, flags, new_addr); + if (!IS_ERR((void *) addr)) + force_successful_syscall_return(); return addr; } diff --git a/arch/m32r/include/asm/posix_types.h b/arch/m32r/include/asm/posix_types.h index 0195850e1f8..236de26a409 100644 --- a/arch/m32r/include/asm/posix_types.h +++ b/arch/m32r/include/asm/posix_types.h @@ -10,9 +10,6 @@ typedef unsigned short __kernel_mode_t; #define __kernel_mode_t __kernel_mode_t -typedef unsigned short __kernel_nlink_t; -#define __kernel_nlink_t __kernel_nlink_t - typedef unsigned short __kernel_ipc_pid_t; #define __kernel_ipc_pid_t __kernel_ipc_pid_t diff --git a/arch/m32r/kernel/signal.c b/arch/m32r/kernel/signal.c index f54d96993ea..f3fb2c029cf 100644 --- a/arch/m32r/kernel/signal.c +++ b/arch/m32r/kernel/signal.c @@ -28,8 +28,6 @@ #define DEBUG_SIG 0 -#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) - asmlinkage int sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss, unsigned long r2, unsigned long r3, unsigned long r4, @@ -111,7 +109,6 @@ sys_rt_sigreturn(unsigned long r0, unsigned long r1, if (__copy_from_user(&set, &frame->uc.uc_sigmask, sizeof(set))) goto badframe; - sigdelsetmask(&set, ~_BLOCKABLE); set_current_blocked(&set); if (restore_sigcontext(regs, &frame->uc.uc_mcontext, &result)) @@ -267,9 +264,9 @@ static int prev_insn(struct pt_regs *regs) * OK, we're invoking a handler */ -static int +static void handle_signal(unsigned long sig, struct k_sigaction *ka, siginfo_t *info, - sigset_t *oldset, struct pt_regs *regs) + struct pt_regs *regs) { /* Are we from a system call? */ if (regs->syscall_nr >= 0) { @@ -294,11 +291,10 @@ handle_signal(unsigned long sig, struct k_sigaction *ka, siginfo_t *info, } /* Set up the stack frame */ - if (setup_rt_frame(sig, ka, info, oldset, regs)) - return -EFAULT; + if (setup_rt_frame(sig, ka, info, sigmask_to_save(), regs)) + return; - block_sigmask(ka, sig); - return 0; + signal_delivered(sig, info, ka, regs, 0); } /* @@ -311,7 +307,6 @@ static void do_signal(struct pt_regs *regs) siginfo_t info; int signr; struct k_sigaction ka; - sigset_t *oldset; /* * We want the common case to go fast, which @@ -322,14 +317,6 @@ static void do_signal(struct pt_regs *regs) if (!user_mode(regs)) return; - if (try_to_freeze()) - goto no_signal; - - if (test_thread_flag(TIF_RESTORE_SIGMASK)) - oldset = ¤t->saved_sigmask; - else - oldset = ¤t->blocked; - signr = get_signal_to_deliver(&info, &ka, regs, NULL); if (signr > 0) { /* Re-enable any watchpoints before delivering the @@ -339,13 +326,11 @@ static void do_signal(struct pt_regs *regs) */ /* Whee! Actually deliver the signal. */ - if (handle_signal(signr, &ka, &info, oldset, regs) == 0) - clear_thread_flag(TIF_RESTORE_SIGMASK); + handle_signal(signr, &ka, &info, regs); return; } - no_signal: /* Did we come from a system call? */ if (regs->syscall_nr >= 0) { /* Restart the system call - no handlers present */ @@ -360,10 +345,7 @@ static void do_signal(struct pt_regs *regs) prev_insn(regs); } } - if (test_thread_flag(TIF_RESTORE_SIGMASK)) { - clear_thread_flag(TIF_RESTORE_SIGMASK); - sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); - } + restore_saved_sigmask(); } /* @@ -383,8 +365,6 @@ void do_notify_resume(struct pt_regs *regs, __u32 thread_info_flags) if (thread_info_flags & _TIF_NOTIFY_RESUME) { clear_thread_flag(TIF_NOTIFY_RESUME); tracehook_notify_resume(regs); - if (current->replacement_session_keyring) - key_replace_session_keyring(); } clear_thread_flag(TIF_IRET); diff --git a/arch/m68k/include/asm/m528xsim.h b/arch/m68k/include/asm/m528xsim.h index d63b99ff7ff..497c31c803f 100644 --- a/arch/m68k/include/asm/m528xsim.h +++ b/arch/m68k/include/asm/m528xsim.h @@ -86,7 +86,7 @@ /* * QSPI module. */ -#define MCFQSPI_IOBASE (MCF_IPSBAR + 0x340) +#define MCFQSPI_BASE (MCF_IPSBAR + 0x340) #define MCFQSPI_SIZE 0x40 #define MCFQSPI_CS0 147 diff --git a/arch/m68k/include/asm/posix_types.h b/arch/m68k/include/asm/posix_types.h index 6373093be72..cf4dbf70fdc 100644 --- a/arch/m68k/include/asm/posix_types.h +++ b/arch/m68k/include/asm/posix_types.h @@ -10,9 +10,6 @@ typedef unsigned short __kernel_mode_t; #define __kernel_mode_t __kernel_mode_t -typedef unsigned short __kernel_nlink_t; -#define __kernel_nlink_t __kernel_nlink_t - typedef unsigned short __kernel_ipc_pid_t; #define __kernel_ipc_pid_t __kernel_ipc_pid_t diff --git a/arch/m68k/kernel/ptrace.c b/arch/m68k/kernel/ptrace.c index 8b4a2222e65..1bc10e62b9a 100644 --- a/arch/m68k/kernel/ptrace.c +++ b/arch/m68k/kernel/ptrace.c @@ -286,7 +286,7 @@ asmlinkage void syscall_trace(void) } } -#ifdef CONFIG_COLDFIRE +#if defined(CONFIG_COLDFIRE) || !defined(CONFIG_MMU) asmlinkage int syscall_trace_enter(void) { int ret = 0; diff --git a/arch/m68k/kernel/signal.c b/arch/m68k/kernel/signal.c index d9f3d1900ee..710a528b928 100644 --- a/arch/m68k/kernel/signal.c +++ b/arch/m68k/kernel/signal.c @@ -51,8 +51,6 @@ #include <asm/traps.h> #include <asm/ucontext.h> -#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) - #ifdef CONFIG_MMU /* @@ -795,7 +793,6 @@ asmlinkage int do_sigreturn(unsigned long __unused) sizeof(frame->extramask)))) goto badframe; - sigdelsetmask(&set, ~_BLOCKABLE); set_current_blocked(&set); if (restore_sigcontext(regs, &frame->sc, frame + 1)) @@ -820,7 +817,6 @@ asmlinkage int do_rt_sigreturn(unsigned long __unused) if (__copy_from_user(&set, &frame->uc.uc_sigmask, sizeof(set))) goto badframe; - sigdelsetmask(&set, ~_BLOCKABLE); set_current_blocked(&set); if (rt_restore_ucontext(regs, sw, &frame->uc)) @@ -1123,8 +1119,9 @@ handle_restart(struct pt_regs *regs, struct k_sigaction *ka, int has_handler) */ static void handle_signal(int sig, struct k_sigaction *ka, siginfo_t *info, - sigset_t *oldset, struct pt_regs *regs) + struct pt_regs *regs) { + sigset_t *oldset = sigmask_to_save(); int err; /* are we from a system call? */ if (regs->orig_d0 >= 0) @@ -1140,14 +1137,12 @@ handle_signal(int sig, struct k_sigaction *ka, siginfo_t *info, if (err) return; - block_sigmask(ka, sig); + signal_delivered(sig, info, ka, regs, 0); if (test_thread_flag(TIF_DELAYED_TRACE)) { regs->sr &= ~0x8000; send_sig(SIGTRAP, current, 1); } - - clear_thread_flag(TIF_RESTORE_SIGMASK); } /* @@ -1160,19 +1155,13 @@ static void do_signal(struct pt_regs *regs) siginfo_t info; struct k_sigaction ka; int signr; - sigset_t *oldset; current->thread.esp0 = (unsigned long) regs; - if (test_thread_flag(TIF_RESTORE_SIGMASK)) - oldset = ¤t->saved_sigmask; - else - oldset = ¤t->blocked; - signr = get_signal_to_deliver(&info, &ka, regs, NULL); if (signr > 0) { /* Whee! Actually deliver the signal. */ - handle_signal(signr, &ka, &info, oldset, regs); + handle_signal(signr, &ka, &info, regs); return; } @@ -1182,10 +1171,7 @@ static void do_signal(struct pt_regs *regs) handle_restart(regs, NULL, 0); /* If there's no signal to deliver, we just restore the saved mask. */ - if (test_thread_flag(TIF_RESTORE_SIGMASK)) { - clear_thread_flag(TIF_RESTORE_SIGMASK); - sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); - } + restore_saved_sigmask(); } void do_notify_resume(struct pt_regs *regs) @@ -1193,9 +1179,6 @@ void do_notify_resume(struct pt_regs *regs) if (test_thread_flag(TIF_SIGPENDING)) do_signal(regs); - if (test_and_clear_thread_flag(TIF_NOTIFY_RESUME)) { + if (test_and_clear_thread_flag(TIF_NOTIFY_RESUME)) tracehook_notify_resume(regs); - if (current->replacement_session_keyring) - key_replace_session_keyring(); - } } diff --git a/arch/m68k/kernel/time.c b/arch/m68k/kernel/time.c index d7deb7fc7eb..707f0573ec6 100644 --- a/arch/m68k/kernel/time.c +++ b/arch/m68k/kernel/time.c @@ -85,7 +85,7 @@ void __init time_init(void) mach_sched_init(timer_interrupt); } -#ifdef CONFIG_M68KCLASSIC +#ifdef CONFIG_ARCH_USES_GETTIMEOFFSET u32 arch_gettimeoffset(void) { @@ -108,4 +108,4 @@ static int __init rtc_init(void) module_init(rtc_init); -#endif /* CONFIG_M68KCLASSIC */ +#endif /* CONFIG_ARCH_USES_GETTIMEOFFSET */ diff --git a/arch/m68k/platform/68328/timers.c b/arch/m68k/platform/68328/timers.c index c801c172b82..f4dc9b29560 100644 --- a/arch/m68k/platform/68328/timers.c +++ b/arch/m68k/platform/68328/timers.c @@ -53,6 +53,7 @@ #endif static u32 m68328_tick_cnt; +static irq_handler_t timer_interrupt; /***************************************************************************/ @@ -62,7 +63,7 @@ static irqreturn_t hw_tick(int irq, void *dummy) TSTAT &= 0; m68328_tick_cnt += TICKS_PER_JIFFY; - return arch_timer_interrupt(irq, dummy); + return timer_interrupt(irq, dummy); } /***************************************************************************/ @@ -99,7 +100,7 @@ static struct clocksource m68328_clk = { /***************************************************************************/ -void hw_timer_init(void) +void hw_timer_init(irq_handler_t handler) { /* disable timer 1 */ TCTL = 0; @@ -115,6 +116,7 @@ void hw_timer_init(void) /* Enable timer 1 */ TCTL |= TCTL_TEN; clocksource_register_hz(&m68328_clk, TICKS_PER_JIFFY*HZ); + timer_interrupt = handler; } /***************************************************************************/ diff --git a/arch/m68k/platform/68360/config.c b/arch/m68k/platform/68360/config.c index 255fc03913e..9877cefad1e 100644 --- a/arch/m68k/platform/68360/config.c +++ b/arch/m68k/platform/68360/config.c @@ -35,6 +35,7 @@ extern void m360_cpm_reset(void); #define OSCILLATOR (unsigned long int)33000000 #endif +static irq_handler_t timer_interrupt; unsigned long int system_clock; extern QUICC *pquicc; @@ -52,7 +53,7 @@ static irqreturn_t hw_tick(int irq, void *dummy) pquicc->timer_ter1 = 0x0002; /* clear timer event */ - return arch_timer_interrupt(irq, dummy); + return timer_interrupt(irq, dummy); } static struct irqaction m68360_timer_irq = { @@ -61,7 +62,7 @@ static struct irqaction m68360_timer_irq = { .handler = hw_tick, }; -void hw_timer_init(void) +void hw_timer_init(irq_handler_t handler) { unsigned char prescaler; unsigned short tgcr_save; @@ -94,6 +95,8 @@ void hw_timer_init(void) pquicc->timer_ter1 = 0x0003; /* clear timer events */ + timer_interrupt = handler; + /* enable timer 1 interrupt in CIMR */ setup_irq(CPMVEC_TIMER1, &m68360_timer_irq); diff --git a/arch/microblaze/Kconfig b/arch/microblaze/Kconfig index 83460468998..0bf44231aaf 100644 --- a/arch/microblaze/Kconfig +++ b/arch/microblaze/Kconfig @@ -52,7 +52,7 @@ config GENERIC_CALIBRATE_DELAY def_bool y config GENERIC_GPIO - def_bool y + bool config GENERIC_CSUM def_bool y diff --git a/arch/microblaze/include/asm/thread_info.h b/arch/microblaze/include/asm/thread_info.h index 1a8ab6a5c03..6c610234ffa 100644 --- a/arch/microblaze/include/asm/thread_info.h +++ b/arch/microblaze/include/asm/thread_info.h @@ -166,7 +166,23 @@ static inline void set_restore_sigmask(void) { struct thread_info *ti = current_thread_info(); ti->status |= TS_RESTORE_SIGMASK; - set_bit(TIF_SIGPENDING, (unsigned long *)&ti->flags); + WARN_ON(!test_bit(TIF_SIGPENDING, (unsigned long *)&ti->flags)); +} +static inline void clear_restore_sigmask(void) +{ + current_thread_info()->status &= ~TS_RESTORE_SIGMASK; +} +static inline bool test_restore_sigmask(void) +{ + return current_thread_info()->status & TS_RESTORE_SIGMASK; +} +static inline bool test_and_clear_restore_sigmask(void) +{ + struct thread_info *ti = current_thread_info(); + if (!(ti->status & TS_RESTORE_SIGMASK)) + return false; + ti->status &= ~TS_RESTORE_SIGMASK; + return true; } #endif diff --git a/arch/microblaze/kernel/entry.S b/arch/microblaze/kernel/entry.S index daff9e5e4a1..03f7b8ce6b6 100644 --- a/arch/microblaze/kernel/entry.S +++ b/arch/microblaze/kernel/entry.S @@ -492,10 +492,11 @@ C_ENTRY(sys_clone): bnei r6, 1f; /* See if child SP arg (arg 1) is 0. */ lwi r6, r1, PT_R1; /* If so, use paret's stack ptr */ 1: addik r7, r1, 0; /* Arg 2: parent context */ - add r8, r0, r0; /* Arg 3: (unused) */ - add r9, r0, r0; /* Arg 4: (unused) */ + lwi r9, r1, PT_R8; /* parent tid. */ + lwi r10, r1, PT_R9; /* child tid. */ + /* do_fork will pick up TLS from regs->r10. */ brid do_fork /* Do real work (tail-call) */ - add r10, r0, r0; /* Arg 5: (unused) */ + add r8, r0, r0; /* Arg 3: (unused) */ C_ENTRY(sys_execve): brid microblaze_execve; /* Do real work (tail-call).*/ diff --git a/arch/microblaze/kernel/mcount.S b/arch/microblaze/kernel/mcount.S index e7eaa7a8cbd..fc1e1322ce4 100644 --- a/arch/microblaze/kernel/mcount.S +++ b/arch/microblaze/kernel/mcount.S @@ -138,7 +138,7 @@ NOALIGN_ENTRY(ftrace_call) #endif /* CONFIG_DYNAMIC_FTRACE */ /* static normal trace */ lwi r6, r1, 120; /* MS: load parent addr */ - addik r5, r15, 0; /* MS: load current function addr */ + addik r5, r15, -4; /* MS: load current function addr */ /* MS: here is dependency on previous code */ brald r15, r20; /* MS: jump to ftrace handler */ nop; diff --git a/arch/microblaze/kernel/process.c b/arch/microblaze/kernel/process.c index 883b92789cd..1944e00f07e 100644 --- a/arch/microblaze/kernel/process.c +++ b/arch/microblaze/kernel/process.c @@ -182,8 +182,12 @@ int copy_thread(unsigned long clone_flags, unsigned long usp, #endif ti->cpu_context.r15 = (unsigned long)ret_from_fork - 8; + /* + * r21 is the thread reg, r10 is 6th arg to clone + * which contains TLS area + */ if (clone_flags & CLONE_SETTLS) - ; + childregs->r21 = childregs->r10; return 0; } diff --git a/arch/microblaze/kernel/signal.c b/arch/microblaze/kernel/signal.c index 7f4c7bef164..76b9722557d 100644 --- a/arch/microblaze/kernel/signal.c +++ b/arch/microblaze/kernel/signal.c @@ -41,8 +41,6 @@ #include <asm/cacheflush.h> #include <asm/syscalls.h> -#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) - asmlinkage long sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss, struct pt_regs *regs) @@ -106,7 +104,6 @@ asmlinkage long sys_rt_sigreturn(struct pt_regs *regs) if (__copy_from_user(&set, &frame->uc.uc_sigmask, sizeof(set))) goto badframe; - sigdelsetmask(&set, ~_BLOCKABLE); set_current_blocked(&set); if (restore_sigcontext(regs, &frame->uc.uc_mcontext, &rval)) @@ -310,10 +307,11 @@ do_restart: * OK, we're invoking a handler */ -static int +static void handle_signal(unsigned long sig, struct k_sigaction *ka, - siginfo_t *info, sigset_t *oldset, struct pt_regs *regs) + siginfo_t *info, struct pt_regs *regs) { + sigset_t *oldset = sigmask_to_save(); int ret; /* Set up the stack frame */ @@ -323,11 +321,9 @@ handle_signal(unsigned long sig, struct k_sigaction *ka, ret = setup_rt_frame(sig, ka, NULL, oldset, regs); if (ret) - return ret; - - block_sigmask(ka, sig); + return; - return 0; + signal_delivered(sig, info, ka, regs, 0); } /* @@ -344,33 +340,18 @@ static void do_signal(struct pt_regs *regs, int in_syscall) siginfo_t info; int signr; struct k_sigaction ka; - sigset_t *oldset; #ifdef DEBUG_SIG printk(KERN_INFO "do signal: %p %d\n", regs, in_syscall); printk(KERN_INFO "do signal2: %lx %lx %ld [%lx]\n", regs->pc, regs->r1, regs->r12, current_thread_info()->flags); #endif - if (current_thread_info()->status & TS_RESTORE_SIGMASK) - oldset = ¤t->saved_sigmask; - else - oldset = ¤t->blocked; - signr = get_signal_to_deliver(&info, &ka, regs, NULL); if (signr > 0) { /* Whee! Actually deliver the signal. */ if (in_syscall) handle_restart(regs, &ka, 1); - if (!handle_signal(signr, &ka, &info, oldset, regs)) { - /* - * A signal was successfully delivered; the saved - * sigmask will have been stored in the signal frame, - * and will be restored by sigreturn, so we can simply - * clear the TS_RESTORE_SIGMASK flag. - */ - current_thread_info()->status &= - ~TS_RESTORE_SIGMASK; - } + handle_signal(signr, &ka, &info, regs); return; } @@ -381,10 +362,7 @@ static void do_signal(struct pt_regs *regs, int in_syscall) * If there's no signal to deliver, we just put the saved sigmask * back. */ - if (current_thread_info()->status & TS_RESTORE_SIGMASK) { - current_thread_info()->status &= ~TS_RESTORE_SIGMASK; - sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); - } + restore_saved_sigmask(); } void do_notify_resume(struct pt_regs *regs, int in_syscall) @@ -401,9 +379,6 @@ void do_notify_resume(struct pt_regs *regs, int in_syscall) if (test_thread_flag(TIF_SIGPENDING)) do_signal(regs, in_syscall); - if (test_and_clear_thread_flag(TIF_NOTIFY_RESUME)) { + if (test_and_clear_thread_flag(TIF_NOTIFY_RESUME)) tracehook_notify_resume(regs); - if (current->replacement_session_keyring) - key_replace_session_keyring(); - } } diff --git a/arch/microblaze/mm/fault.c b/arch/microblaze/mm/fault.c index c38a265846d..eb365d6795f 100644 --- a/arch/microblaze/mm/fault.c +++ b/arch/microblaze/mm/fault.c @@ -92,6 +92,8 @@ void do_page_fault(struct pt_regs *regs, unsigned long address, int code = SEGV_MAPERR; int is_write = error_code & ESR_S; int fault; + unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE | + (is_write ? FAULT_FLAG_WRITE : 0); regs->ear = address; regs->esr = error_code; @@ -138,6 +140,7 @@ void do_page_fault(struct pt_regs *regs, unsigned long address, if (kernel_mode(regs) && !search_exception_tables(regs->pc)) goto bad_area_nosemaphore; +retry: down_read(&mm->mmap_sem); } @@ -210,7 +213,11 @@ good_area: * make sure we exit gracefully rather than endlessly redo * the fault. */ - fault = handle_mm_fault(mm, vma, address, is_write ? FAULT_FLAG_WRITE : 0); + fault = handle_mm_fault(mm, vma, address, flags); + + if ((fault & VM_FAULT_RETRY) && fatal_signal_pending(current)) + return; + if (unlikely(fault & VM_FAULT_ERROR)) { if (fault & VM_FAULT_OOM) goto out_of_memory; @@ -218,11 +225,27 @@ good_area: goto do_sigbus; BUG(); } - if (unlikely(fault & VM_FAULT_MAJOR)) - current->maj_flt++; - else - current->min_flt++; + + if (flags & FAULT_FLAG_ALLOW_RETRY) { + if (unlikely(fault & VM_FAULT_MAJOR)) + current->maj_flt++; + else + current->min_flt++; + if (fault & VM_FAULT_RETRY) { + flags &= ~FAULT_FLAG_ALLOW_RETRY; + + /* + * No need to up_read(&mm->mmap_sem) as we would + * have already released it in __lock_page_or_retry + * in mm/filemap.c. + */ + + goto retry; + } + } + up_read(&mm->mmap_sem); + /* * keep track of tlb+htab misses that are good addrs but * just need pte's created via handle_mm_fault() diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 77050671eee..09ab87ee6fe 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -233,8 +233,9 @@ config LANTIQ select ARCH_REQUIRE_GPIOLIB select SWAP_IO_SPACE select BOOT_RAW - select HAVE_CLK - select MIPS_MACHINE + select HAVE_MACH_CLKDEV + select CLKDEV_LOOKUP + select USE_OF config LASAT bool "LASAT Networks platforms" @@ -1783,10 +1784,12 @@ endchoice config FORCE_MAX_ZONEORDER int "Maximum zone order" - range 13 64 if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_32KB - default "13" if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_32KB - range 12 64 if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_16KB - default "12" if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_16KB + range 14 64 if HUGETLB_PAGE && PAGE_SIZE_64KB + default "14" if HUGETLB_PAGE && PAGE_SIZE_64KB + range 13 64 if HUGETLB_PAGE && PAGE_SIZE_32KB + default "13" if HUGETLB_PAGE && PAGE_SIZE_32KB + range 12 64 if HUGETLB_PAGE && PAGE_SIZE_16KB + default "12" if HUGETLB_PAGE && PAGE_SIZE_16KB range 11 64 default "11" help diff --git a/arch/mips/Makefile b/arch/mips/Makefile index 76017c25a9e..764e37a9dbb 100644 --- a/arch/mips/Makefile +++ b/arch/mips/Makefile @@ -219,8 +219,8 @@ endif KBUILD_AFLAGS += $(cflags-y) KBUILD_CFLAGS += $(cflags-y) -KBUILD_CPPFLAGS += -D"VMLINUX_LOAD_ADDRESS=$(load-y)" -KBUILD_CPPFLAGS += -D"DATAOFFSET=$(if $(dataoffset-y),$(dataoffset-y),0)" +KBUILD_CPPFLAGS += -DVMLINUX_LOAD_ADDRESS=$(load-y) +KBUILD_CPPFLAGS += -DDATAOFFSET=$(if $(dataoffset-y),$(dataoffset-y),0) LDFLAGS += -m $(ld-emul) diff --git a/arch/mips/alchemy/devboards/db1200.c b/arch/mips/alchemy/devboards/db1200.c index a83302b96c0..bf2248474fa 100644 --- a/arch/mips/alchemy/devboards/db1200.c +++ b/arch/mips/alchemy/devboards/db1200.c @@ -22,6 +22,7 @@ #include <linux/gpio.h> #include <linux/i2c.h> #include <linux/init.h> +#include <linux/module.h> #include <linux/interrupt.h> #include <linux/io.h> #include <linux/leds.h> @@ -212,8 +213,6 @@ static int au1200_nand_device_ready(struct mtd_info *mtd) return __raw_readl((void __iomem *)MEM_STSTAT) & 1; } -static const char *db1200_part_probes[] = { "cmdlinepart", NULL }; - static struct mtd_partition db1200_nand_parts[] = { { .name = "NAND FS 0", @@ -234,7 +233,6 @@ struct platform_nand_data db1200_nand_platdata = { .nr_partitions = ARRAY_SIZE(db1200_nand_parts), .partitions = db1200_nand_parts, .chip_delay = 20, - .part_probe_types = db1200_part_probes, }, .ctrl = { .dev_ready = au1200_nand_device_ready, diff --git a/arch/mips/alchemy/devboards/db1300.c b/arch/mips/alchemy/devboards/db1300.c index 0893f2af0d0..c56e0246694 100644 --- a/arch/mips/alchemy/devboards/db1300.c +++ b/arch/mips/alchemy/devboards/db1300.c @@ -145,8 +145,6 @@ static int au1300_nand_device_ready(struct mtd_info *mtd) return __raw_readl((void __iomem *)MEM_STSTAT) & 1; } -static const char *db1300_part_probes[] = { "cmdlinepart", NULL }; - static struct mtd_partition db1300_nand_parts[] = { { .name = "NAND FS 0", @@ -167,7 +165,6 @@ struct platform_nand_data db1300_nand_platdata = { .nr_partitions = ARRAY_SIZE(db1300_nand_parts), .partitions = db1300_nand_parts, .chip_delay = 20, - .part_probe_types = db1300_part_probes, }, .ctrl = { .dev_ready = au1300_nand_device_ready, diff --git a/arch/mips/alchemy/devboards/db1550.c b/arch/mips/alchemy/devboards/db1550.c index 6815d0783cd..9eb79062f46 100644 --- a/arch/mips/alchemy/devboards/db1550.c +++ b/arch/mips/alchemy/devboards/db1550.c @@ -149,8 +149,6 @@ static int au1550_nand_device_ready(struct mtd_info *mtd) return __raw_readl((void __iomem *)MEM_STSTAT) & 1; } -static const char *db1550_part_probes[] = { "cmdlinepart", NULL }; - static struct mtd_partition db1550_nand_parts[] = { { .name = "NAND FS 0", @@ -171,7 +169,6 @@ struct platform_nand_data db1550_nand_platdata = { .nr_partitions = ARRAY_SIZE(db1550_nand_parts), .partitions = db1550_nand_parts, .chip_delay = 20, - .part_probe_types = db1550_part_probes, }, .ctrl = { .dev_ready = au1550_nand_device_ready, diff --git a/arch/mips/ath79/Kconfig b/arch/mips/ath79/Kconfig index e0fae8f4442..f44feee2d67 100644 --- a/arch/mips/ath79/Kconfig +++ b/arch/mips/ath79/Kconfig @@ -26,6 +26,18 @@ config ATH79_MACH_AP81 Say 'Y' here if you want your kernel to support the Atheros AP81 reference board. +config ATH79_MACH_DB120 + bool "Atheros DB120 reference board" + select SOC_AR934X + select ATH79_DEV_GPIO_BUTTONS + select ATH79_DEV_LEDS_GPIO + select ATH79_DEV_SPI + select ATH79_DEV_USB + select ATH79_DEV_WMAC + help + Say 'Y' here if you want your kernel to support the + Atheros DB120 reference board. + config ATH79_MACH_PB44 bool "Atheros PB44 reference board" select SOC_AR71XX @@ -52,12 +64,14 @@ endmenu config SOC_AR71XX select USB_ARCH_HAS_EHCI select USB_ARCH_HAS_OHCI + select HW_HAS_PCI def_bool n config SOC_AR724X select USB_ARCH_HAS_EHCI select USB_ARCH_HAS_OHCI select HW_HAS_PCI + select PCI_AR724X if PCI def_bool n config SOC_AR913X @@ -68,6 +82,15 @@ config SOC_AR933X select USB_ARCH_HAS_EHCI def_bool n +config SOC_AR934X + select USB_ARCH_HAS_EHCI + select HW_HAS_PCI + select PCI_AR724X if PCI + def_bool n + +config PCI_AR724X + def_bool n + config ATH79_DEV_GPIO_BUTTONS def_bool n @@ -81,7 +104,7 @@ config ATH79_DEV_USB def_bool n config ATH79_DEV_WMAC - depends on (SOC_AR913X || SOC_AR933X) + depends on (SOC_AR913X || SOC_AR933X || SOC_AR934X) def_bool n endif diff --git a/arch/mips/ath79/Makefile b/arch/mips/ath79/Makefile index 3b911e09dbe..2b54d98263f 100644 --- a/arch/mips/ath79/Makefile +++ b/arch/mips/ath79/Makefile @@ -11,6 +11,7 @@ obj-y := prom.o setup.o irq.o common.o clock.o gpio.o obj-$(CONFIG_EARLY_PRINTK) += early_printk.o +obj-$(CONFIG_PCI) += pci.o # # Devices @@ -27,5 +28,6 @@ obj-$(CONFIG_ATH79_DEV_WMAC) += dev-wmac.o # obj-$(CONFIG_ATH79_MACH_AP121) += mach-ap121.o obj-$(CONFIG_ATH79_MACH_AP81) += mach-ap81.o +obj-$(CONFIG_ATH79_MACH_DB120) += mach-db120.o obj-$(CONFIG_ATH79_MACH_PB44) += mach-pb44.o obj-$(CONFIG_ATH79_MACH_UBNT_XM) += mach-ubnt-xm.o diff --git a/arch/mips/ath79/clock.c b/arch/mips/ath79/clock.c index 54d0eb4db98..b91ad3efe29 100644 --- a/arch/mips/ath79/clock.c +++ b/arch/mips/ath79/clock.c @@ -1,8 +1,11 @@ /* * Atheros AR71XX/AR724X/AR913X common routines * + * Copyright (C) 2010-2011 Jaiganesh Narayanan <jnarayanan@atheros.com> * Copyright (C) 2011 Gabor Juhos <juhosg@openwrt.org> * + * Parts of this file are based on Atheros' 2.6.15/2.6.31 BSP + * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 as published * by the Free Software Foundation. @@ -163,6 +166,82 @@ static void __init ar933x_clocks_init(void) ath79_uart_clk.rate = ath79_ref_clk.rate; } +static void __init ar934x_clocks_init(void) +{ + u32 pll, out_div, ref_div, nint, frac, clk_ctrl, postdiv; + u32 cpu_pll, ddr_pll; + u32 bootstrap; + + bootstrap = ath79_reset_rr(AR934X_RESET_REG_BOOTSTRAP); + if (bootstrap & AR934X_BOOTSTRAP_REF_CLK_40) + ath79_ref_clk.rate = 40 * 1000 * 1000; + else + ath79_ref_clk.rate = 25 * 1000 * 1000; + + pll = ath79_pll_rr(AR934X_PLL_CPU_CONFIG_REG); + out_div = (pll >> AR934X_PLL_CPU_CONFIG_OUTDIV_SHIFT) & + AR934X_PLL_CPU_CONFIG_OUTDIV_MASK; + ref_div = (pll >> AR934X_PLL_CPU_CONFIG_REFDIV_SHIFT) & + AR934X_PLL_CPU_CONFIG_REFDIV_MASK; + nint = (pll >> AR934X_PLL_CPU_CONFIG_NINT_SHIFT) & + AR934X_PLL_CPU_CONFIG_NINT_MASK; + frac = (pll >> AR934X_PLL_CPU_CONFIG_NFRAC_SHIFT) & + AR934X_PLL_CPU_CONFIG_NFRAC_MASK; + + cpu_pll = nint * ath79_ref_clk.rate / ref_div; + cpu_pll += frac * ath79_ref_clk.rate / (ref_div * (2 << 6)); + cpu_pll /= (1 << out_div); + + pll = ath79_pll_rr(AR934X_PLL_DDR_CONFIG_REG); + out_div = (pll >> AR934X_PLL_DDR_CONFIG_OUTDIV_SHIFT) & + AR934X_PLL_DDR_CONFIG_OUTDIV_MASK; + ref_div = (pll >> AR934X_PLL_DDR_CONFIG_REFDIV_SHIFT) & + AR934X_PLL_DDR_CONFIG_REFDIV_MASK; + nint = (pll >> AR934X_PLL_DDR_CONFIG_NINT_SHIFT) & + AR934X_PLL_DDR_CONFIG_NINT_MASK; + frac = (pll >> AR934X_PLL_DDR_CONFIG_NFRAC_SHIFT) & + AR934X_PLL_DDR_CONFIG_NFRAC_MASK; + + ddr_pll = nint * ath79_ref_clk.rate / ref_div; + ddr_pll += frac * ath79_ref_clk.rate / (ref_div * (2 << 10)); + ddr_pll /= (1 << out_div); + + clk_ctrl = ath79_pll_rr(AR934X_PLL_CPU_DDR_CLK_CTRL_REG); + + postdiv = (clk_ctrl >> AR934X_PLL_CPU_DDR_CLK_CTRL_CPU_POST_DIV_SHIFT) & + AR934X_PLL_CPU_DDR_CLK_CTRL_CPU_POST_DIV_MASK; + + if (clk_ctrl & AR934X_PLL_CPU_DDR_CLK_CTRL_CPU_PLL_BYPASS) + ath79_cpu_clk.rate = ath79_ref_clk.rate; + else if (clk_ctrl & AR934X_PLL_CPU_DDR_CLK_CTRL_CPUCLK_FROM_CPUPLL) + ath79_cpu_clk.rate = cpu_pll / (postdiv + 1); + else + ath79_cpu_clk.rate = ddr_pll / (postdiv + 1); + + postdiv = (clk_ctrl >> AR934X_PLL_CPU_DDR_CLK_CTRL_DDR_POST_DIV_SHIFT) & + AR934X_PLL_CPU_DDR_CLK_CTRL_DDR_POST_DIV_MASK; + + if (clk_ctrl & AR934X_PLL_CPU_DDR_CLK_CTRL_DDR_PLL_BYPASS) + ath79_ddr_clk.rate = ath79_ref_clk.rate; + else if (clk_ctrl & AR934X_PLL_CPU_DDR_CLK_CTRL_DDRCLK_FROM_DDRPLL) + ath79_ddr_clk.rate = ddr_pll / (postdiv + 1); + else + ath79_ddr_clk.rate = cpu_pll / (postdiv + 1); + + postdiv = (clk_ctrl >> AR934X_PLL_CPU_DDR_CLK_CTRL_AHB_POST_DIV_SHIFT) & + AR934X_PLL_CPU_DDR_CLK_CTRL_AHB_POST_DIV_MASK; + + if (clk_ctrl & AR934X_PLL_CPU_DDR_CLK_CTRL_AHB_PLL_BYPASS) + ath79_ahb_clk.rate = ath79_ref_clk.rate; + else if (clk_ctrl & AR934X_PLL_CPU_DDR_CLK_CTRL_AHBCLK_FROM_DDRPLL) + ath79_ahb_clk.rate = ddr_pll / (postdiv + 1); + else + ath79_ahb_clk.rate = cpu_pll / (postdiv + 1); + + ath79_wdt_clk.rate = ath79_ref_clk.rate; + ath79_uart_clk.rate = ath79_ref_clk.rate; +} + void __init ath79_clocks_init(void) { if (soc_is_ar71xx()) @@ -173,6 +252,8 @@ void __init ath79_clocks_init(void) ar913x_clocks_init(); else if (soc_is_ar933x()) ar933x_clocks_init(); + else if (soc_is_ar934x()) + ar934x_clocks_init(); else BUG(); diff --git a/arch/mips/ath79/common.c b/arch/mips/ath79/common.c index f0fda982b96..5a4adfc9d79 100644 --- a/arch/mips/ath79/common.c +++ b/arch/mips/ath79/common.c @@ -1,9 +1,12 @@ /* * Atheros AR71XX/AR724X/AR913X common routines * - * Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org> + * Copyright (C) 2010-2011 Jaiganesh Narayanan <jnarayanan@atheros.com> + * Copyright (C) 2008-2011 Gabor Juhos <juhosg@openwrt.org> * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org> * + * Parts of this file are based on Atheros' 2.6.15/2.6.31 BSP + * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 as published * by the Free Software Foundation. @@ -67,6 +70,8 @@ void ath79_device_reset_set(u32 mask) reg = AR913X_RESET_REG_RESET_MODULE; else if (soc_is_ar933x()) reg = AR933X_RESET_REG_RESET_MODULE; + else if (soc_is_ar934x()) + reg = AR934X_RESET_REG_RESET_MODULE; else BUG(); @@ -91,6 +96,8 @@ void ath79_device_reset_clear(u32 mask) reg = AR913X_RESET_REG_RESET_MODULE; else if (soc_is_ar933x()) reg = AR933X_RESET_REG_RESET_MODULE; + else if (soc_is_ar934x()) + reg = AR934X_RESET_REG_RESET_MODULE; else BUG(); diff --git a/arch/mips/ath79/dev-common.c b/arch/mips/ath79/dev-common.c index f4956f80907..45efc63b08b 100644 --- a/arch/mips/ath79/dev-common.c +++ b/arch/mips/ath79/dev-common.c @@ -89,7 +89,8 @@ void __init ath79_register_uart(void) if (soc_is_ar71xx() || soc_is_ar724x() || - soc_is_ar913x()) { + soc_is_ar913x() || + soc_is_ar934x()) { ath79_uart_data[0].uartclk = clk_get_rate(clk); platform_device_register(&ath79_uart_device); } else if (soc_is_ar933x()) { diff --git a/arch/mips/ath79/dev-gpio-buttons.c b/arch/mips/ath79/dev-gpio-buttons.c index 4b0168a11c0..366b35fb164 100644 --- a/arch/mips/ath79/dev-gpio-buttons.c +++ b/arch/mips/ath79/dev-gpio-buttons.c @@ -25,12 +25,10 @@ void __init ath79_register_gpio_keys_polled(int id, struct gpio_keys_button *p; int err; - p = kmalloc(nbuttons * sizeof(*p), GFP_KERNEL); + p = kmemdup(buttons, nbuttons * sizeof(*p), GFP_KERNEL); if (!p) return; - memcpy(p, buttons, nbuttons * sizeof(*p)); - pdev = platform_device_alloc("gpio-keys-polled", id); if (!pdev) goto err_free_buttons; diff --git a/arch/mips/ath79/dev-leds-gpio.c b/arch/mips/ath79/dev-leds-gpio.c index cdade68dcd1..dcb1debcefb 100644 --- a/arch/mips/ath79/dev-leds-gpio.c +++ b/arch/mips/ath79/dev-leds-gpio.c @@ -24,12 +24,10 @@ void __init ath79_register_leds_gpio(int id, struct gpio_led *p; int err; - p = kmalloc(num_leds * sizeof(*p), GFP_KERNEL); + p = kmemdup(leds, num_leds * sizeof(*p), GFP_KERNEL); if (!p) return; - memcpy(p, leds, num_leds * sizeof(*p)); - pdev = platform_device_alloc("leds-gpio", id); if (!pdev) goto err_free_leds; diff --git a/arch/mips/ath79/dev-wmac.c b/arch/mips/ath79/dev-wmac.c index 9c717bf98ff..d6d893c16ad 100644 --- a/arch/mips/ath79/dev-wmac.c +++ b/arch/mips/ath79/dev-wmac.c @@ -1,9 +1,12 @@ /* * Atheros AR913X/AR933X SoC built-in WMAC device support * + * Copyright (C) 2010-2011 Jaiganesh Narayanan <jnarayanan@atheros.com> * Copyright (C) 2008-2011 Gabor Juhos <juhosg@openwrt.org> * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org> * + * Parts of this file are based on Atheros 2.6.15/2.6.31 BSP + * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 as published * by the Free Software Foundation. @@ -26,8 +29,7 @@ static struct resource ath79_wmac_resources[] = { /* .start and .end fields are filled dynamically */ .flags = IORESOURCE_MEM, }, { - .start = ATH79_CPU_IRQ_IP2, - .end = ATH79_CPU_IRQ_IP2, + /* .start and .end fields are filled dynamically */ .flags = IORESOURCE_IRQ, }, }; @@ -53,6 +55,8 @@ static void __init ar913x_wmac_setup(void) ath79_wmac_resources[0].start = AR913X_WMAC_BASE; ath79_wmac_resources[0].end = AR913X_WMAC_BASE + AR913X_WMAC_SIZE - 1; + ath79_wmac_resources[1].start = ATH79_CPU_IRQ_IP2; + ath79_wmac_resources[1].end = ATH79_CPU_IRQ_IP2; } @@ -79,6 +83,8 @@ static void __init ar933x_wmac_setup(void) ath79_wmac_resources[0].start = AR933X_WMAC_BASE; ath79_wmac_resources[0].end = AR933X_WMAC_BASE + AR933X_WMAC_SIZE - 1; + ath79_wmac_resources[1].start = ATH79_CPU_IRQ_IP2; + ath79_wmac_resources[1].end = ATH79_CPU_IRQ_IP2; t = ath79_reset_rr(AR933X_RESET_REG_BOOTSTRAP); if (t & AR933X_BOOTSTRAP_REF_CLK_40) @@ -92,12 +98,32 @@ static void __init ar933x_wmac_setup(void) ath79_wmac_data.external_reset = ar933x_wmac_reset; } +static void ar934x_wmac_setup(void) +{ + u32 t; + + ath79_wmac_device.name = "ar934x_wmac"; + + ath79_wmac_resources[0].start = AR934X_WMAC_BASE; + ath79_wmac_resources[0].end = AR934X_WMAC_BASE + AR934X_WMAC_SIZE - 1; + ath79_wmac_resources[1].start = ATH79_IP2_IRQ(1); + ath79_wmac_resources[1].start = ATH79_IP2_IRQ(1); + + t = ath79_reset_rr(AR934X_RESET_REG_BOOTSTRAP); + if (t & AR934X_BOOTSTRAP_REF_CLK_40) + ath79_wmac_data.is_clk_25mhz = false; + else + ath79_wmac_data.is_clk_25mhz = true; +} + void __init ath79_register_wmac(u8 *cal_data) { if (soc_is_ar913x()) ar913x_wmac_setup(); else if (soc_is_ar933x()) ar933x_wmac_setup(); + else if (soc_is_ar934x()) + ar934x_wmac_setup(); else BUG(); diff --git a/arch/mips/ath79/early_printk.c b/arch/mips/ath79/early_printk.c index 6a51ced7a29..dc938cb2ba5 100644 --- a/arch/mips/ath79/early_printk.c +++ b/arch/mips/ath79/early_printk.c @@ -71,6 +71,9 @@ static void prom_putchar_init(void) case REV_ID_MAJOR_AR7241: case REV_ID_MAJOR_AR7242: case REV_ID_MAJOR_AR913X: + case REV_ID_MAJOR_AR9341: + case REV_ID_MAJOR_AR9342: + case REV_ID_MAJOR_AR9344: _prom_putchar = prom_putchar_ar71xx; break; diff --git a/arch/mips/ath79/gpio.c b/arch/mips/ath79/gpio.c index a2f8ca630ed..29054f21183 100644 --- a/arch/mips/ath79/gpio.c +++ b/arch/mips/ath79/gpio.c @@ -1,9 +1,12 @@ /* * Atheros AR71XX/AR724X/AR913X GPIO API support * - * Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org> + * Copyright (C) 2010-2011 Jaiganesh Narayanan <jnarayanan@atheros.com> + * Copyright (C) 2008-2011 Gabor Juhos <juhosg@openwrt.org> * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org> * + * Parts of this file are based on Atheros' 2.6.15/2.6.31 BSP + * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 as published * by the Free Software Foundation. @@ -89,6 +92,42 @@ static int ath79_gpio_direction_output(struct gpio_chip *chip, return 0; } +static int ar934x_gpio_direction_input(struct gpio_chip *chip, unsigned offset) +{ + void __iomem *base = ath79_gpio_base; + unsigned long flags; + + spin_lock_irqsave(&ath79_gpio_lock, flags); + + __raw_writel(__raw_readl(base + AR71XX_GPIO_REG_OE) | (1 << offset), + base + AR71XX_GPIO_REG_OE); + + spin_unlock_irqrestore(&ath79_gpio_lock, flags); + + return 0; +} + +static int ar934x_gpio_direction_output(struct gpio_chip *chip, unsigned offset, + int value) +{ + void __iomem *base = ath79_gpio_base; + unsigned long flags; + + spin_lock_irqsave(&ath79_gpio_lock, flags); + + if (value) + __raw_writel(1 << offset, base + AR71XX_GPIO_REG_SET); + else + __raw_writel(1 << offset, base + AR71XX_GPIO_REG_CLEAR); + + __raw_writel(__raw_readl(base + AR71XX_GPIO_REG_OE) & ~(1 << offset), + base + AR71XX_GPIO_REG_OE); + + spin_unlock_irqrestore(&ath79_gpio_lock, flags); + + return 0; +} + static struct gpio_chip ath79_gpio_chip = { .label = "ath79", .get = ath79_gpio_get_value, @@ -155,11 +194,17 @@ void __init ath79_gpio_init(void) ath79_gpio_count = AR913X_GPIO_COUNT; else if (soc_is_ar933x()) ath79_gpio_count = AR933X_GPIO_COUNT; + else if (soc_is_ar934x()) + ath79_gpio_count = AR934X_GPIO_COUNT; else BUG(); ath79_gpio_base = ioremap_nocache(AR71XX_GPIO_BASE, AR71XX_GPIO_SIZE); ath79_gpio_chip.ngpio = ath79_gpio_count; + if (soc_is_ar934x()) { + ath79_gpio_chip.direction_input = ar934x_gpio_direction_input; + ath79_gpio_chip.direction_output = ar934x_gpio_direction_output; + } err = gpiochip_add(&ath79_gpio_chip); if (err) diff --git a/arch/mips/ath79/irq.c b/arch/mips/ath79/irq.c index 1b073de4468..90d09fc1539 100644 --- a/arch/mips/ath79/irq.c +++ b/arch/mips/ath79/irq.c @@ -1,10 +1,11 @@ /* * Atheros AR71xx/AR724x/AR913x specific interrupt handling * - * Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org> + * Copyright (C) 2010-2011 Jaiganesh Narayanan <jnarayanan@atheros.com> + * Copyright (C) 2008-2011 Gabor Juhos <juhosg@openwrt.org> * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org> * - * Parts of this file are based on Atheros' 2.6.15 BSP + * Parts of this file are based on Atheros' 2.6.15/2.6.31 BSP * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 as published @@ -23,8 +24,8 @@ #include <asm/mach-ath79/ar71xx_regs.h> #include "common.h" -static unsigned int ath79_ip2_flush_reg; -static unsigned int ath79_ip3_flush_reg; +static void (*ath79_ip2_handler)(void); +static void (*ath79_ip3_handler)(void); static void ath79_misc_irq_handler(unsigned int irq, struct irq_desc *desc) { @@ -129,7 +130,7 @@ static void __init ath79_misc_irq_init(void) if (soc_is_ar71xx() || soc_is_ar913x()) ath79_misc_irq_chip.irq_mask_ack = ar71xx_misc_irq_mask; - else if (soc_is_ar724x() || soc_is_ar933x()) + else if (soc_is_ar724x() || soc_is_ar933x() || soc_is_ar934x()) ath79_misc_irq_chip.irq_ack = ar724x_misc_irq_ack; else BUG(); @@ -143,6 +144,39 @@ static void __init ath79_misc_irq_init(void) irq_set_chained_handler(ATH79_CPU_IRQ_MISC, ath79_misc_irq_handler); } +static void ar934x_ip2_irq_dispatch(unsigned int irq, struct irq_desc *desc) +{ + u32 status; + + disable_irq_nosync(irq); + + status = ath79_reset_rr(AR934X_RESET_REG_PCIE_WMAC_INT_STATUS); + + if (status & AR934X_PCIE_WMAC_INT_PCIE_ALL) { + ath79_ddr_wb_flush(AR934X_DDR_REG_FLUSH_PCIE); + generic_handle_irq(ATH79_IP2_IRQ(0)); + } else if (status & AR934X_PCIE_WMAC_INT_WMAC_ALL) { + ath79_ddr_wb_flush(AR934X_DDR_REG_FLUSH_WMAC); + generic_handle_irq(ATH79_IP2_IRQ(1)); + } else { + spurious_interrupt(); + } + + enable_irq(irq); +} + +static void ar934x_ip2_irq_init(void) +{ + int i; + + for (i = ATH79_IP2_IRQ_BASE; + i < ATH79_IP2_IRQ_BASE + ATH79_IP2_IRQ_COUNT; i++) + irq_set_chip_and_handler(i, &dummy_irq_chip, + handle_level_irq); + + irq_set_chained_handler(ATH79_CPU_IRQ_IP2, ar934x_ip2_irq_dispatch); +} + asmlinkage void plat_irq_dispatch(void) { unsigned long pending; @@ -152,10 +186,8 @@ asmlinkage void plat_irq_dispatch(void) if (pending & STATUSF_IP7) do_IRQ(ATH79_CPU_IRQ_TIMER); - else if (pending & STATUSF_IP2) { - ath79_ddr_wb_flush(ath79_ip2_flush_reg); - do_IRQ(ATH79_CPU_IRQ_IP2); - } + else if (pending & STATUSF_IP2) + ath79_ip2_handler(); else if (pending & STATUSF_IP4) do_IRQ(ATH79_CPU_IRQ_GE0); @@ -163,10 +195,8 @@ asmlinkage void plat_irq_dispatch(void) else if (pending & STATUSF_IP5) do_IRQ(ATH79_CPU_IRQ_GE1); - else if (pending & STATUSF_IP3) { - ath79_ddr_wb_flush(ath79_ip3_flush_reg); - do_IRQ(ATH79_CPU_IRQ_USB); - } + else if (pending & STATUSF_IP3) + ath79_ip3_handler(); else if (pending & STATUSF_IP6) do_IRQ(ATH79_CPU_IRQ_MISC); @@ -175,24 +205,97 @@ asmlinkage void plat_irq_dispatch(void) spurious_interrupt(); } +/* + * The IP2/IP3 lines are tied to a PCI/WMAC/USB device. Drivers for + * these devices typically allocate coherent DMA memory, however the + * DMA controller may still have some unsynchronized data in the FIFO. + * Issue a flush in the handlers to ensure that the driver sees + * the update. + */ +static void ar71xx_ip2_handler(void) +{ + ath79_ddr_wb_flush(AR71XX_DDR_REG_FLUSH_PCI); + do_IRQ(ATH79_CPU_IRQ_IP2); +} + +static void ar724x_ip2_handler(void) +{ + ath79_ddr_wb_flush(AR724X_DDR_REG_FLUSH_PCIE); + do_IRQ(ATH79_CPU_IRQ_IP2); +} + +static void ar913x_ip2_handler(void) +{ + ath79_ddr_wb_flush(AR913X_DDR_REG_FLUSH_WMAC); + do_IRQ(ATH79_CPU_IRQ_IP2); +} + +static void ar933x_ip2_handler(void) +{ + ath79_ddr_wb_flush(AR933X_DDR_REG_FLUSH_WMAC); + do_IRQ(ATH79_CPU_IRQ_IP2); +} + +static void ar934x_ip2_handler(void) +{ + do_IRQ(ATH79_CPU_IRQ_IP2); +} + +static void ar71xx_ip3_handler(void) +{ + ath79_ddr_wb_flush(AR71XX_DDR_REG_FLUSH_USB); + do_IRQ(ATH79_CPU_IRQ_USB); +} + +static void ar724x_ip3_handler(void) +{ + ath79_ddr_wb_flush(AR724X_DDR_REG_FLUSH_USB); + do_IRQ(ATH79_CPU_IRQ_USB); +} + +static void ar913x_ip3_handler(void) +{ + ath79_ddr_wb_flush(AR913X_DDR_REG_FLUSH_USB); + do_IRQ(ATH79_CPU_IRQ_USB); +} + +static void ar933x_ip3_handler(void) +{ + ath79_ddr_wb_flush(AR933X_DDR_REG_FLUSH_USB); + do_IRQ(ATH79_CPU_IRQ_USB); +} + +static void ar934x_ip3_handler(void) +{ + ath79_ddr_wb_flush(AR934X_DDR_REG_FLUSH_USB); + do_IRQ(ATH79_CPU_IRQ_USB); +} + void __init arch_init_irq(void) { if (soc_is_ar71xx()) { - ath79_ip2_flush_reg = AR71XX_DDR_REG_FLUSH_PCI; - ath79_ip3_flush_reg = AR71XX_DDR_REG_FLUSH_USB; + ath79_ip2_handler = ar71xx_ip2_handler; + ath79_ip3_handler = ar71xx_ip3_handler; } else if (soc_is_ar724x()) { - ath79_ip2_flush_reg = AR724X_DDR_REG_FLUSH_PCIE; - ath79_ip3_flush_reg = AR724X_DDR_REG_FLUSH_USB; + ath79_ip2_handler = ar724x_ip2_handler; + ath79_ip3_handler = ar724x_ip3_handler; } else if (soc_is_ar913x()) { - ath79_ip2_flush_reg = AR913X_DDR_REG_FLUSH_WMAC; - ath79_ip3_flush_reg = AR913X_DDR_REG_FLUSH_USB; + ath79_ip2_handler = ar913x_ip2_handler; + ath79_ip3_handler = ar913x_ip3_handler; } else if (soc_is_ar933x()) { - ath79_ip2_flush_reg = AR933X_DDR_REG_FLUSH_WMAC; - ath79_ip3_flush_reg = AR933X_DDR_REG_FLUSH_USB; - } else + ath79_ip2_handler = ar933x_ip2_handler; + ath79_ip3_handler = ar933x_ip3_handler; + } else if (soc_is_ar934x()) { + ath79_ip2_handler = ar934x_ip2_handler; + ath79_ip3_handler = ar934x_ip3_handler; + } else { BUG(); + } cp0_perfcount_irq = ATH79_MISC_IRQ_PERFC; mips_cpu_irq_init(); ath79_misc_irq_init(); + + if (soc_is_ar934x()) + ar934x_ip2_irq_init(); } diff --git a/arch/mips/ath79/mach-db120.c b/arch/mips/ath79/mach-db120.c new file mode 100644 index 00000000000..1983e4d2af4 --- /dev/null +++ b/arch/mips/ath79/mach-db120.c @@ -0,0 +1,134 @@ +/* + * Atheros DB120 reference board support + * + * Copyright (c) 2011 Qualcomm Atheros + * Copyright (c) 2011 Gabor Juhos <juhosg@openwrt.org> + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + */ + +#include <linux/pci.h> +#include <linux/ath9k_platform.h> + +#include "machtypes.h" +#include "dev-gpio-buttons.h" +#include "dev-leds-gpio.h" +#include "dev-spi.h" +#include "dev-wmac.h" +#include "pci.h" + +#define DB120_GPIO_LED_WLAN_5G 12 +#define DB120_GPIO_LED_WLAN_2G 13 +#define DB120_GPIO_LED_STATUS 14 +#define DB120_GPIO_LED_WPS 15 + +#define DB120_GPIO_BTN_WPS 16 + +#define DB120_KEYS_POLL_INTERVAL 20 /* msecs */ +#define DB120_KEYS_DEBOUNCE_INTERVAL (3 * DB120_KEYS_POLL_INTERVAL) + +#define DB120_WMAC_CALDATA_OFFSET 0x1000 +#define DB120_PCIE_CALDATA_OFFSET 0x5000 + +static struct gpio_led db120_leds_gpio[] __initdata = { + { + .name = "db120:green:status", + .gpio = DB120_GPIO_LED_STATUS, + .active_low = 1, + }, + { + .name = "db120:green:wps", + .gpio = DB120_GPIO_LED_WPS, + .active_low = 1, + }, + { + .name = "db120:green:wlan-5g", + .gpio = DB120_GPIO_LED_WLAN_5G, + .active_low = 1, + }, + { + .name = "db120:green:wlan-2g", + .gpio = DB120_GPIO_LED_WLAN_2G, + .active_low = 1, + }, +}; + +static struct gpio_keys_button db120_gpio_keys[] __initdata = { + { + .desc = "WPS button", + .type = EV_KEY, + .code = KEY_WPS_BUTTON, + .debounce_interval = DB120_KEYS_DEBOUNCE_INTERVAL, + .gpio = DB120_GPIO_BTN_WPS, + .active_low = 1, + }, +}; + +static struct spi_board_info db120_spi_info[] = { + { + .bus_num = 0, + .chip_select = 0, + .max_speed_hz = 25000000, + .modalias = "s25sl064a", + } +}; + +static struct ath79_spi_platform_data db120_spi_data = { + .bus_num = 0, + .num_chipselect = 1, +}; + +#ifdef CONFIG_PCI +static struct ath9k_platform_data db120_ath9k_data; + +static int db120_pci_plat_dev_init(struct pci_dev *dev) +{ + switch (PCI_SLOT(dev->devfn)) { + case 0: + dev->dev.platform_data = &db120_ath9k_data; + break; + } + + return 0; +} + +static void __init db120_pci_init(u8 *eeprom) +{ + memcpy(db120_ath9k_data.eeprom_data, eeprom, + sizeof(db120_ath9k_data.eeprom_data)); + + ath79_pci_set_plat_dev_init(db120_pci_plat_dev_init); + ath79_register_pci(); +} +#else +static inline void db120_pci_init(void) {} +#endif /* CONFIG_PCI */ + +static void __init db120_setup(void) +{ + u8 *art = (u8 *) KSEG1ADDR(0x1fff0000); + + ath79_register_leds_gpio(-1, ARRAY_SIZE(db120_leds_gpio), + db120_leds_gpio); + ath79_register_gpio_keys_polled(-1, DB120_KEYS_POLL_INTERVAL, + ARRAY_SIZE(db120_gpio_keys), + db120_gpio_keys); + ath79_register_spi(&db120_spi_data, db120_spi_info, + ARRAY_SIZE(db120_spi_info)); + ath79_register_wmac(art + DB120_WMAC_CALDATA_OFFSET); + db120_pci_init(art + DB120_PCIE_CALDATA_OFFSET); +} + +MIPS_MACHINE(ATH79_MACH_DB120, "DB120", "Atheros DB120 reference board", + db120_setup); diff --git a/arch/mips/ath79/mach-pb44.c b/arch/mips/ath79/mach-pb44.c index fe9701a3229..c5f0ea5e00c 100644 --- a/arch/mips/ath79/mach-pb44.c +++ b/arch/mips/ath79/mach-pb44.c @@ -19,6 +19,7 @@ #include "dev-leds-gpio.h" #include "dev-spi.h" #include "dev-usb.h" +#include "pci.h" #define PB44_GPIO_I2C_SCL 0 #define PB44_GPIO_I2C_SDA 1 @@ -114,6 +115,7 @@ static void __init pb44_init(void) ath79_register_spi(&pb44_spi_data, pb44_spi_info, ARRAY_SIZE(pb44_spi_info)); ath79_register_usb(); + ath79_register_pci(); } MIPS_MACHINE(ATH79_MACH_PB44, "PB44", "Atheros PB44 reference board", diff --git a/arch/mips/ath79/mach-ubnt-xm.c b/arch/mips/ath79/mach-ubnt-xm.c index 3c311a53934..4a3c60694c7 100644 --- a/arch/mips/ath79/mach-ubnt-xm.c +++ b/arch/mips/ath79/mach-ubnt-xm.c @@ -12,16 +12,15 @@ #include <linux/init.h> #include <linux/pci.h> - -#ifdef CONFIG_PCI #include <linux/ath9k_platform.h> -#include <asm/mach-ath79/pci-ath724x.h> -#endif /* CONFIG_PCI */ + +#include <asm/mach-ath79/irq.h> #include "machtypes.h" #include "dev-gpio-buttons.h" #include "dev-leds-gpio.h" #include "dev-spi.h" +#include "pci.h" #define UBNT_XM_GPIO_LED_L1 0 #define UBNT_XM_GPIO_LED_L2 1 @@ -33,7 +32,6 @@ #define UBNT_XM_KEYS_POLL_INTERVAL 20 #define UBNT_XM_KEYS_DEBOUNCE_INTERVAL (3 * UBNT_XM_KEYS_POLL_INTERVAL) -#define UBNT_XM_PCI_IRQ 48 #define UBNT_XM_EEPROM_ADDR (u8 *) KSEG1ADDR(0x1fff1000) static struct gpio_led ubnt_xm_leds_gpio[] __initdata = { @@ -84,12 +82,27 @@ static struct ath79_spi_platform_data ubnt_xm_spi_data = { #ifdef CONFIG_PCI static struct ath9k_platform_data ubnt_xm_eeprom_data; -static struct ath724x_pci_data ubnt_xm_pci_data[] = { - { - .irq = UBNT_XM_PCI_IRQ, - .pdata = &ubnt_xm_eeprom_data, - }, -}; +static int ubnt_xm_pci_plat_dev_init(struct pci_dev *dev) +{ + switch (PCI_SLOT(dev->devfn)) { + case 0: + dev->dev.platform_data = &ubnt_xm_eeprom_data; + break; + } + + return 0; +} + +static void __init ubnt_xm_pci_init(void) +{ + memcpy(ubnt_xm_eeprom_data.eeprom_data, UBNT_XM_EEPROM_ADDR, + sizeof(ubnt_xm_eeprom_data.eeprom_data)); + + ath79_pci_set_plat_dev_init(ubnt_xm_pci_plat_dev_init); + ath79_register_pci(); +} +#else +static inline void ubnt_xm_pci_init(void) {} #endif /* CONFIG_PCI */ static void __init ubnt_xm_init(void) @@ -104,13 +117,7 @@ static void __init ubnt_xm_init(void) ath79_register_spi(&ubnt_xm_spi_data, ubnt_xm_spi_info, ARRAY_SIZE(ubnt_xm_spi_info)); -#ifdef CONFIG_PCI - memcpy(ubnt_xm_eeprom_data.eeprom_data, UBNT_XM_EEPROM_ADDR, - sizeof(ubnt_xm_eeprom_data.eeprom_data)); - - ath724x_pci_add_data(ubnt_xm_pci_data, ARRAY_SIZE(ubnt_xm_pci_data)); -#endif /* CONFIG_PCI */ - + ubnt_xm_pci_init(); } MIPS_MACHINE(ATH79_MACH_UBNT_XM, diff --git a/arch/mips/ath79/machtypes.h b/arch/mips/ath79/machtypes.h index 9a1f3826626..af92e5c30d6 100644 --- a/arch/mips/ath79/machtypes.h +++ b/arch/mips/ath79/machtypes.h @@ -18,6 +18,7 @@ enum ath79_mach_type { ATH79_MACH_GENERIC = 0, ATH79_MACH_AP121, /* Atheros AP121 reference board */ ATH79_MACH_AP81, /* Atheros AP81 reference board */ + ATH79_MACH_DB120, /* Atheros DB120 reference board */ ATH79_MACH_PB44, /* Atheros PB44 reference board */ ATH79_MACH_UBNT_XM, /* Ubiquiti Networks XM board rev 1.0 */ }; diff --git a/arch/mips/ath79/pci.c b/arch/mips/ath79/pci.c new file mode 100644 index 00000000000..ca83abd9d31 --- /dev/null +++ b/arch/mips/ath79/pci.c @@ -0,0 +1,130 @@ +/* + * Atheros AR71XX/AR724X specific PCI setup code + * + * Copyright (C) 2011 René Bolldorf <xsecute@googlemail.com> + * Copyright (C) 2008-2011 Gabor Juhos <juhosg@openwrt.org> + * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org> + * + * Parts of this file are based on Atheros' 2.6.15 BSP + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation. + */ + +#include <linux/init.h> +#include <linux/pci.h> +#include <asm/mach-ath79/ar71xx_regs.h> +#include <asm/mach-ath79/ath79.h> +#include <asm/mach-ath79/irq.h> +#include <asm/mach-ath79/pci.h> +#include "pci.h" + +static int (*ath79_pci_plat_dev_init)(struct pci_dev *dev); +static const struct ath79_pci_irq *ath79_pci_irq_map __initdata; +static unsigned ath79_pci_nr_irqs __initdata; + +static const struct ath79_pci_irq ar71xx_pci_irq_map[] __initconst = { + { + .slot = 17, + .pin = 1, + .irq = ATH79_PCI_IRQ(0), + }, { + .slot = 18, + .pin = 1, + .irq = ATH79_PCI_IRQ(1), + }, { + .slot = 19, + .pin = 1, + .irq = ATH79_PCI_IRQ(2), + } +}; + +static const struct ath79_pci_irq ar724x_pci_irq_map[] __initconst = { + { + .slot = 0, + .pin = 1, + .irq = ATH79_PCI_IRQ(0), + } +}; + +int __init pcibios_map_irq(const struct pci_dev *dev, uint8_t slot, uint8_t pin) +{ + int irq = -1; + int i; + + if (ath79_pci_nr_irqs == 0 || + ath79_pci_irq_map == NULL) { + if (soc_is_ar71xx()) { + ath79_pci_irq_map = ar71xx_pci_irq_map; + ath79_pci_nr_irqs = ARRAY_SIZE(ar71xx_pci_irq_map); + } else if (soc_is_ar724x() || + soc_is_ar9342() || + soc_is_ar9344()) { + ath79_pci_irq_map = ar724x_pci_irq_map; + ath79_pci_nr_irqs = ARRAY_SIZE(ar724x_pci_irq_map); + } else { + pr_crit("pci %s: invalid irq map\n", + pci_name((struct pci_dev *) dev)); + return irq; + } + } + + for (i = 0; i < ath79_pci_nr_irqs; i++) { + const struct ath79_pci_irq *entry; + + entry = &ath79_pci_irq_map[i]; + if (entry->slot == slot && entry->pin == pin) { + irq = entry->irq; + break; + } + } + + if (irq < 0) + pr_crit("pci %s: no irq found for pin %u\n", + pci_name((struct pci_dev *) dev), pin); + else + pr_info("pci %s: using irq %d for pin %u\n", + pci_name((struct pci_dev *) dev), irq, pin); + + return irq; +} + +int pcibios_plat_dev_init(struct pci_dev *dev) +{ + if (ath79_pci_plat_dev_init) + return ath79_pci_plat_dev_init(dev); + + return 0; +} + +void __init ath79_pci_set_irq_map(unsigned nr_irqs, + const struct ath79_pci_irq *map) +{ + ath79_pci_nr_irqs = nr_irqs; + ath79_pci_irq_map = map; +} + +void __init ath79_pci_set_plat_dev_init(int (*func)(struct pci_dev *dev)) +{ + ath79_pci_plat_dev_init = func; +} + +int __init ath79_register_pci(void) +{ + if (soc_is_ar71xx()) + return ar71xx_pcibios_init(); + + if (soc_is_ar724x()) + return ar724x_pcibios_init(ATH79_CPU_IRQ_IP2); + + if (soc_is_ar9342() || soc_is_ar9344()) { + u32 bootstrap; + + bootstrap = ath79_reset_rr(AR934X_RESET_REG_BOOTSTRAP); + if (bootstrap & AR934X_BOOTSTRAP_PCIE_RC) + return ar724x_pcibios_init(ATH79_IP2_IRQ(0)); + } + + return -ENODEV; +} diff --git a/arch/mips/ath79/pci.h b/arch/mips/ath79/pci.h new file mode 100644 index 00000000000..51c6625dcc6 --- /dev/null +++ b/arch/mips/ath79/pci.h @@ -0,0 +1,34 @@ +/* + * Atheros AR71XX/AR724X PCI support + * + * Copyright (C) 2011 René Bolldorf <xsecute@googlemail.com> + * Copyright (C) 2008-2011 Gabor Juhos <juhosg@openwrt.org> + * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation. + */ + +#ifndef _ATH79_PCI_H +#define _ATH79_PCI_H + +struct ath79_pci_irq { + u8 slot; + u8 pin; + int irq; +}; + +#ifdef CONFIG_PCI +void ath79_pci_set_irq_map(unsigned nr_irqs, const struct ath79_pci_irq *map); +void ath79_pci_set_plat_dev_init(int (*func)(struct pci_dev *dev)); +int ath79_register_pci(void); +#else +static inline void +ath79_pci_set_irq_map(unsigned nr_irqs, const struct ath79_pci_irq *map) {} +static inline void +ath79_pci_set_plat_dev_init(int (*func)(struct pci_dev *)) {} +static inline int ath79_register_pci(void) { return 0; } +#endif + +#endif /* _ATH79_PCI_H */ diff --git a/arch/mips/ath79/setup.c b/arch/mips/ath79/setup.c index 80a7d4023d7..60d212ef862 100644 --- a/arch/mips/ath79/setup.c +++ b/arch/mips/ath79/setup.c @@ -1,10 +1,11 @@ /* * Atheros AR71XX/AR724X/AR913X specific setup * + * Copyright (C) 2010-2011 Jaiganesh Narayanan <jnarayanan@atheros.com> * Copyright (C) 2008-2011 Gabor Juhos <juhosg@openwrt.org> * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org> * - * Parts of this file are based on Atheros' 2.6.15 BSP + * Parts of this file are based on Atheros' 2.6.15/2.6.31 BSP * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 as published @@ -116,18 +117,6 @@ static void __init ath79_detect_sys_type(void) rev = id & AR724X_REV_ID_REVISION_MASK; break; - case REV_ID_MAJOR_AR9330: - ath79_soc = ATH79_SOC_AR9330; - chip = "9330"; - rev = id & AR933X_REV_ID_REVISION_MASK; - break; - - case REV_ID_MAJOR_AR9331: - ath79_soc = ATH79_SOC_AR9331; - chip = "9331"; - rev = id & AR933X_REV_ID_REVISION_MASK; - break; - case REV_ID_MAJOR_AR913X: minor = id & AR913X_REV_ID_MINOR_MASK; rev = id >> AR913X_REV_ID_REVISION_SHIFT; @@ -145,6 +134,36 @@ static void __init ath79_detect_sys_type(void) } break; + case REV_ID_MAJOR_AR9330: + ath79_soc = ATH79_SOC_AR9330; + chip = "9330"; + rev = id & AR933X_REV_ID_REVISION_MASK; + break; + + case REV_ID_MAJOR_AR9331: + ath79_soc = ATH79_SOC_AR9331; + chip = "9331"; + rev = id & AR933X_REV_ID_REVISION_MASK; + break; + + case REV_ID_MAJOR_AR9341: + ath79_soc = ATH79_SOC_AR9341; + chip = "9341"; + rev = id & AR934X_REV_ID_REVISION_MASK; + break; + + case REV_ID_MAJOR_AR9342: + ath79_soc = ATH79_SOC_AR9342; + chip = "9342"; + rev = id & AR934X_REV_ID_REVISION_MASK; + break; + + case REV_ID_MAJOR_AR9344: + ath79_soc = ATH79_SOC_AR9344; + chip = "9344"; + rev = id & AR934X_REV_ID_REVISION_MASK; + break; + default: panic("ath79: unknown SoC, id:0x%08x", id); } diff --git a/arch/mips/bcm63xx/boards/Makefile b/arch/mips/bcm63xx/boards/Makefile index 9f64fb41407..af07c1aa202 100644 --- a/arch/mips/bcm63xx/boards/Makefile +++ b/arch/mips/bcm63xx/boards/Makefile @@ -1,3 +1 @@ obj-$(CONFIG_BOARD_BCM963XX) += board_bcm963xx.o - -ccflags-y := -Werror diff --git a/arch/mips/cavium-octeon/setup.c b/arch/mips/cavium-octeon/setup.c index d3a9f012aa0..260dc247c05 100644 --- a/arch/mips/cavium-octeon/setup.c +++ b/arch/mips/cavium-octeon/setup.c @@ -9,6 +9,7 @@ #include <linux/init.h> #include <linux/console.h> #include <linux/delay.h> +#include <linux/export.h> #include <linux/interrupt.h> #include <linux/io.h> #include <linux/serial.h> diff --git a/arch/mips/cavium-octeon/smp.c b/arch/mips/cavium-octeon/smp.c index 97e7ce9b50e..4b93048044e 100644 --- a/arch/mips/cavium-octeon/smp.c +++ b/arch/mips/cavium-octeon/smp.c @@ -257,8 +257,6 @@ DEFINE_PER_CPU(int, cpu_state); extern void fixup_irqs(void); -static DEFINE_SPINLOCK(smp_reserve_lock); - static int octeon_cpu_disable(void) { unsigned int cpu = smp_processor_id(); @@ -266,8 +264,6 @@ static int octeon_cpu_disable(void) if (cpu == 0) return -EBUSY; - spin_lock(&smp_reserve_lock); - set_cpu_online(cpu, false); cpu_clear(cpu, cpu_callin_map); local_irq_disable(); @@ -277,8 +273,6 @@ static int octeon_cpu_disable(void) flush_cache_all(); local_flush_tlb_all(); - spin_unlock(&smp_reserve_lock); - return 0; } diff --git a/arch/mips/fw/arc/Makefile b/arch/mips/fw/arc/Makefile index 5314b37aff2..4f349ec1ea2 100644 --- a/arch/mips/fw/arc/Makefile +++ b/arch/mips/fw/arc/Makefile @@ -8,5 +8,3 @@ lib-y += cmdline.o env.o file.o identify.o init.o \ lib-$(CONFIG_ARC_MEMORY) += memory.o lib-$(CONFIG_ARC_CONSOLE) += arc_con.o lib-$(CONFIG_ARC_PROMLIB) += promlib.o - -ccflags-y := -Werror diff --git a/arch/mips/include/asm/clkdev.h b/arch/mips/include/asm/clkdev.h new file mode 100644 index 00000000000..262475414e5 --- /dev/null +++ b/arch/mips/include/asm/clkdev.h @@ -0,0 +1,25 @@ +/* + * based on arch/arm/include/asm/clkdev.h + * + * Copyright (C) 2008 Russell King. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * Helper for the clk API to assist looking up a struct clk. + */ +#ifndef __ASM_CLKDEV_H +#define __ASM_CLKDEV_H + +#include <linux/slab.h> + +#define __clk_get(clk) ({ 1; }) +#define __clk_put(clk) do { } while (0) + +static inline struct clk_lookup_alloc *__clkdev_alloc(size_t size) +{ + return kzalloc(size, GFP_KERNEL); +} + +#endif diff --git a/arch/mips/include/asm/mach-ath79/ar71xx_regs.h b/arch/mips/include/asm/mach-ath79/ar71xx_regs.h index 2f0becb4ec8..1caa78ad06d 100644 --- a/arch/mips/include/asm/mach-ath79/ar71xx_regs.h +++ b/arch/mips/include/asm/mach-ath79/ar71xx_regs.h @@ -1,10 +1,11 @@ /* * Atheros AR71XX/AR724X/AR913X SoC register definitions * + * Copyright (C) 2010-2011 Jaiganesh Narayanan <jnarayanan@atheros.com> * Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org> * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org> * - * Parts of this file are based on Atheros' 2.6.15 BSP + * Parts of this file are based on Atheros' 2.6.15/2.6.31 BSP * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 as published @@ -60,6 +61,9 @@ #define AR933X_EHCI_BASE 0x1b000000 #define AR933X_EHCI_SIZE 0x1000 +#define AR934X_WMAC_BASE (AR71XX_APB_BASE + 0x00100000) +#define AR934X_WMAC_SIZE 0x20000 + /* * DDR_CTRL block */ @@ -91,6 +95,12 @@ #define AR933X_DDR_REG_FLUSH_USB 0x84 #define AR933X_DDR_REG_FLUSH_WMAC 0x88 +#define AR934X_DDR_REG_FLUSH_GE0 0x9c +#define AR934X_DDR_REG_FLUSH_GE1 0xa0 +#define AR934X_DDR_REG_FLUSH_USB 0xa4 +#define AR934X_DDR_REG_FLUSH_PCIE 0xa8 +#define AR934X_DDR_REG_FLUSH_WMAC 0xac + /* * PLL block */ @@ -150,6 +160,41 @@ #define AR933X_PLL_CLOCK_CTRL_AHB_DIV_SHIFT 15 #define AR933X_PLL_CLOCK_CTRL_AHB_DIV_MASK 0x7 +#define AR934X_PLL_CPU_CONFIG_REG 0x00 +#define AR934X_PLL_DDR_CONFIG_REG 0x04 +#define AR934X_PLL_CPU_DDR_CLK_CTRL_REG 0x08 + +#define AR934X_PLL_CPU_CONFIG_NFRAC_SHIFT 0 +#define AR934X_PLL_CPU_CONFIG_NFRAC_MASK 0x3f +#define AR934X_PLL_CPU_CONFIG_NINT_SHIFT 6 +#define AR934X_PLL_CPU_CONFIG_NINT_MASK 0x3f +#define AR934X_PLL_CPU_CONFIG_REFDIV_SHIFT 12 +#define AR934X_PLL_CPU_CONFIG_REFDIV_MASK 0x1f +#define AR934X_PLL_CPU_CONFIG_OUTDIV_SHIFT 19 +#define AR934X_PLL_CPU_CONFIG_OUTDIV_MASK 0x3 + +#define AR934X_PLL_DDR_CONFIG_NFRAC_SHIFT 0 +#define AR934X_PLL_DDR_CONFIG_NFRAC_MASK 0x3ff +#define AR934X_PLL_DDR_CONFIG_NINT_SHIFT 10 +#define AR934X_PLL_DDR_CONFIG_NINT_MASK 0x3f +#define AR934X_PLL_DDR_CONFIG_REFDIV_SHIFT 16 +#define AR934X_PLL_DDR_CONFIG_REFDIV_MASK 0x1f +#define AR934X_PLL_DDR_CONFIG_OUTDIV_SHIFT 23 +#define AR934X_PLL_DDR_CONFIG_OUTDIV_MASK 0x7 + +#define AR934X_PLL_CPU_DDR_CLK_CTRL_CPU_PLL_BYPASS BIT(2) +#define AR934X_PLL_CPU_DDR_CLK_CTRL_DDR_PLL_BYPASS BIT(3) +#define AR934X_PLL_CPU_DDR_CLK_CTRL_AHB_PLL_BYPASS BIT(4) +#define AR934X_PLL_CPU_DDR_CLK_CTRL_CPU_POST_DIV_SHIFT 5 +#define AR934X_PLL_CPU_DDR_CLK_CTRL_CPU_POST_DIV_MASK 0x1f +#define AR934X_PLL_CPU_DDR_CLK_CTRL_DDR_POST_DIV_SHIFT 10 +#define AR934X_PLL_CPU_DDR_CLK_CTRL_DDR_POST_DIV_MASK 0x1f +#define AR934X_PLL_CPU_DDR_CLK_CTRL_AHB_POST_DIV_SHIFT 15 +#define AR934X_PLL_CPU_DDR_CLK_CTRL_AHB_POST_DIV_MASK 0x1f +#define AR934X_PLL_CPU_DDR_CLK_CTRL_CPUCLK_FROM_CPUPLL BIT(20) +#define AR934X_PLL_CPU_DDR_CLK_CTRL_DDRCLK_FROM_DDRPLL BIT(21) +#define AR934X_PLL_CPU_DDR_CLK_CTRL_AHBCLK_FROM_DDRPLL BIT(24) + /* * USB_CONFIG block */ @@ -185,6 +230,10 @@ #define AR933X_RESET_REG_RESET_MODULE 0x1c #define AR933X_RESET_REG_BOOTSTRAP 0xac +#define AR934X_RESET_REG_RESET_MODULE 0x1c +#define AR934X_RESET_REG_BOOTSTRAP 0xb0 +#define AR934X_RESET_REG_PCIE_WMAC_INT_STATUS 0xac + #define MISC_INT_ETHSW BIT(12) #define MISC_INT_TIMER4 BIT(10) #define MISC_INT_TIMER3 BIT(9) @@ -241,6 +290,40 @@ #define AR933X_BOOTSTRAP_REF_CLK_40 BIT(0) +#define AR934X_BOOTSTRAP_SW_OPTION8 BIT(23) +#define AR934X_BOOTSTRAP_SW_OPTION7 BIT(22) +#define AR934X_BOOTSTRAP_SW_OPTION6 BIT(21) +#define AR934X_BOOTSTRAP_SW_OPTION5 BIT(20) +#define AR934X_BOOTSTRAP_SW_OPTION4 BIT(19) +#define AR934X_BOOTSTRAP_SW_OPTION3 BIT(18) +#define AR934X_BOOTSTRAP_SW_OPTION2 BIT(17) +#define AR934X_BOOTSTRAP_SW_OPTION1 BIT(16) +#define AR934X_BOOTSTRAP_USB_MODE_DEVICE BIT(7) +#define AR934X_BOOTSTRAP_PCIE_RC BIT(6) +#define AR934X_BOOTSTRAP_EJTAG_MODE BIT(5) +#define AR934X_BOOTSTRAP_REF_CLK_40 BIT(4) +#define AR934X_BOOTSTRAP_BOOT_FROM_SPI BIT(2) +#define AR934X_BOOTSTRAP_SDRAM_DISABLED BIT(1) +#define AR934X_BOOTSTRAP_DDR1 BIT(0) + +#define AR934X_PCIE_WMAC_INT_WMAC_MISC BIT(0) +#define AR934X_PCIE_WMAC_INT_WMAC_TX BIT(1) +#define AR934X_PCIE_WMAC_INT_WMAC_RXLP BIT(2) +#define AR934X_PCIE_WMAC_INT_WMAC_RXHP BIT(3) +#define AR934X_PCIE_WMAC_INT_PCIE_RC BIT(4) +#define AR934X_PCIE_WMAC_INT_PCIE_RC0 BIT(5) +#define AR934X_PCIE_WMAC_INT_PCIE_RC1 BIT(6) +#define AR934X_PCIE_WMAC_INT_PCIE_RC2 BIT(7) +#define AR934X_PCIE_WMAC_INT_PCIE_RC3 BIT(8) +#define AR934X_PCIE_WMAC_INT_WMAC_ALL \ + (AR934X_PCIE_WMAC_INT_WMAC_MISC | AR934X_PCIE_WMAC_INT_WMAC_TX | \ + AR934X_PCIE_WMAC_INT_WMAC_RXLP | AR934X_PCIE_WMAC_INT_WMAC_RXHP) + +#define AR934X_PCIE_WMAC_INT_PCIE_ALL \ + (AR934X_PCIE_WMAC_INT_PCIE_RC | AR934X_PCIE_WMAC_INT_PCIE_RC0 | \ + AR934X_PCIE_WMAC_INT_PCIE_RC1 | AR934X_PCIE_WMAC_INT_PCIE_RC2 | \ + AR934X_PCIE_WMAC_INT_PCIE_RC3) + #define REV_ID_MAJOR_MASK 0xfff0 #define REV_ID_MAJOR_AR71XX 0x00a0 #define REV_ID_MAJOR_AR913X 0x00b0 @@ -249,6 +332,9 @@ #define REV_ID_MAJOR_AR7242 0x1100 #define REV_ID_MAJOR_AR9330 0x0110 #define REV_ID_MAJOR_AR9331 0x1110 +#define REV_ID_MAJOR_AR9341 0x0120 +#define REV_ID_MAJOR_AR9342 0x1120 +#define REV_ID_MAJOR_AR9344 0x2120 #define AR71XX_REV_ID_MINOR_MASK 0x3 #define AR71XX_REV_ID_MINOR_AR7130 0x0 @@ -267,6 +353,8 @@ #define AR724X_REV_ID_REVISION_MASK 0x3 +#define AR934X_REV_ID_REVISION_MASK 0xf + /* * SPI block */ @@ -308,5 +396,6 @@ #define AR724X_GPIO_COUNT 18 #define AR913X_GPIO_COUNT 22 #define AR933X_GPIO_COUNT 30 +#define AR934X_GPIO_COUNT 23 #endif /* __ASM_MACH_AR71XX_REGS_H */ diff --git a/arch/mips/include/asm/mach-ath79/ath79.h b/arch/mips/include/asm/mach-ath79/ath79.h index 6d0c6c9d562..4f248c3d7b2 100644 --- a/arch/mips/include/asm/mach-ath79/ath79.h +++ b/arch/mips/include/asm/mach-ath79/ath79.h @@ -29,6 +29,9 @@ enum ath79_soc_type { ATH79_SOC_AR9132, ATH79_SOC_AR9330, ATH79_SOC_AR9331, + ATH79_SOC_AR9341, + ATH79_SOC_AR9342, + ATH79_SOC_AR9344, }; extern enum ath79_soc_type ath79_soc; @@ -75,6 +78,26 @@ static inline int soc_is_ar933x(void) ath79_soc == ATH79_SOC_AR9331); } +static inline int soc_is_ar9341(void) +{ + return (ath79_soc == ATH79_SOC_AR9341); +} + +static inline int soc_is_ar9342(void) +{ + return (ath79_soc == ATH79_SOC_AR9342); +} + +static inline int soc_is_ar9344(void) +{ + return (ath79_soc == ATH79_SOC_AR9344); +} + +static inline int soc_is_ar934x(void) +{ + return soc_is_ar9341() || soc_is_ar9342() || soc_is_ar9344(); +} + extern void __iomem *ath79_ddr_base; extern void __iomem *ath79_pll_base; extern void __iomem *ath79_reset_base; diff --git a/arch/mips/include/asm/mach-ath79/irq.h b/arch/mips/include/asm/mach-ath79/irq.h index 519958fe4e3..0968f69e201 100644 --- a/arch/mips/include/asm/mach-ath79/irq.h +++ b/arch/mips/include/asm/mach-ath79/irq.h @@ -10,11 +10,19 @@ #define __ASM_MACH_ATH79_IRQ_H #define MIPS_CPU_IRQ_BASE 0 -#define NR_IRQS 40 +#define NR_IRQS 48 #define ATH79_MISC_IRQ_BASE 8 #define ATH79_MISC_IRQ_COUNT 32 +#define ATH79_PCI_IRQ_BASE (ATH79_MISC_IRQ_BASE + ATH79_MISC_IRQ_COUNT) +#define ATH79_PCI_IRQ_COUNT 6 +#define ATH79_PCI_IRQ(_x) (ATH79_PCI_IRQ_BASE + (_x)) + +#define ATH79_IP2_IRQ_BASE (ATH79_PCI_IRQ_BASE + ATH79_PCI_IRQ_COUNT) +#define ATH79_IP2_IRQ_COUNT 2 +#define ATH79_IP2_IRQ(_x) (ATH79_IP2_IRQ_BASE + (_x)) + #define ATH79_CPU_IRQ_IP2 (MIPS_CPU_IRQ_BASE + 2) #define ATH79_CPU_IRQ_USB (MIPS_CPU_IRQ_BASE + 3) #define ATH79_CPU_IRQ_GE0 (MIPS_CPU_IRQ_BASE + 4) diff --git a/arch/mips/include/asm/mach-ath79/pci-ath724x.h b/arch/mips/include/asm/mach-ath79/pci-ath724x.h deleted file mode 100644 index 454885fa30c..00000000000 --- a/arch/mips/include/asm/mach-ath79/pci-ath724x.h +++ /dev/null @@ -1,21 +0,0 @@ -/* - * Atheros 724x PCI support - * - * Copyright (C) 2011 René Bolldorf <xsecute@googlemail.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published - * by the Free Software Foundation. - */ - -#ifndef __ASM_MACH_ATH79_PCI_ATH724X_H -#define __ASM_MACH_ATH79_PCI_ATH724X_H - -struct ath724x_pci_data { - int irq; - void *pdata; -}; - -void ath724x_pci_add_data(struct ath724x_pci_data *data, int size); - -#endif /* __ASM_MACH_ATH79_PCI_ATH724X_H */ diff --git a/arch/mips/include/asm/mach-ath79/pci.h b/arch/mips/include/asm/mach-ath79/pci.h new file mode 100644 index 00000000000..7868f7fa028 --- /dev/null +++ b/arch/mips/include/asm/mach-ath79/pci.h @@ -0,0 +1,28 @@ +/* + * Atheros AR71XX/AR724X PCI support + * + * Copyright (C) 2011 René Bolldorf <xsecute@googlemail.com> + * Copyright (C) 2008-2011 Gabor Juhos <juhosg@openwrt.org> + * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation. + */ + +#ifndef __ASM_MACH_ATH79_PCI_H +#define __ASM_MACH_ATH79_PCI_H + +#if defined(CONFIG_PCI) && defined(CONFIG_SOC_AR71XX) +int ar71xx_pcibios_init(void); +#else +static inline int ar71xx_pcibios_init(void) { return 0; } +#endif + +#if defined(CONFIG_PCI_AR724X) +int ar724x_pcibios_init(int irq); +#else +static inline int ar724x_pcibios_init(int irq) { return 0; } +#endif + +#endif /* __ASM_MACH_ATH79_PCI_H */ diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_gpio.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_gpio.h index 3d5de96d403..1d7dd96aa46 100644 --- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_gpio.h +++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_gpio.h @@ -2,6 +2,7 @@ #define BCM63XX_GPIO_H #include <linux/init.h> +#include <bcm63xx_cpu.h> int __init bcm63xx_gpio_init(void); diff --git a/arch/mips/include/asm/mach-lantiq/falcon/falcon_irq.h b/arch/mips/include/asm/mach-lantiq/falcon/falcon_irq.h new file mode 100644 index 00000000000..318f982f04f --- /dev/null +++ b/arch/mips/include/asm/mach-lantiq/falcon/falcon_irq.h @@ -0,0 +1,23 @@ +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation. + * + * Copyright (C) 2010 Thomas Langer <thomas.langer@lantiq.com> + */ + +#ifndef _FALCON_IRQ__ +#define _FALCON_IRQ__ + +#define INT_NUM_IRQ0 8 +#define INT_NUM_IM0_IRL0 (INT_NUM_IRQ0 + 0) +#define INT_NUM_IM1_IRL0 (INT_NUM_IM0_IRL0 + 32) +#define INT_NUM_IM2_IRL0 (INT_NUM_IM1_IRL0 + 32) +#define INT_NUM_IM3_IRL0 (INT_NUM_IM2_IRL0 + 32) +#define INT_NUM_IM4_IRL0 (INT_NUM_IM3_IRL0 + 32) +#define INT_NUM_EXTRA_START (INT_NUM_IM4_IRL0 + 32) +#define INT_NUM_IM_OFFSET (INT_NUM_IM1_IRL0 - INT_NUM_IM0_IRL0) + +#define MIPS_CPU_TIMER_IRQ 7 + +#endif /* _FALCON_IRQ__ */ diff --git a/arch/mips/include/asm/mach-lantiq/falcon/irq.h b/arch/mips/include/asm/mach-lantiq/falcon/irq.h new file mode 100644 index 00000000000..2caccd9f9db --- /dev/null +++ b/arch/mips/include/asm/mach-lantiq/falcon/irq.h @@ -0,0 +1,18 @@ +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation. + * + * Copyright (C) 2011 Thomas Langer <thomas.langer@lantiq.com> + */ + +#ifndef __FALCON_IRQ_H +#define __FALCON_IRQ_H + +#include <falcon_irq.h> + +#define NR_IRQS 328 + +#include_next <irq.h> + +#endif diff --git a/arch/mips/include/asm/mach-lantiq/falcon/lantiq_soc.h b/arch/mips/include/asm/mach-lantiq/falcon/lantiq_soc.h new file mode 100644 index 00000000000..b385252584e --- /dev/null +++ b/arch/mips/include/asm/mach-lantiq/falcon/lantiq_soc.h @@ -0,0 +1,67 @@ +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation. + * + * Copyright (C) 2010 John Crispin <blogic@openwrt.org> + */ + +#ifndef _LTQ_FALCON_H__ +#define _LTQ_FALCON_H__ + +#ifdef CONFIG_SOC_FALCON + +#include <linux/pinctrl/pinctrl.h> +#include <lantiq.h> + +/* Chip IDs */ +#define SOC_ID_FALCON 0x01B8 + +/* SoC Types */ +#define SOC_TYPE_FALCON 0x01 + +/* + * during early_printk no ioremap possible at this early stage + * lets use KSEG1 instead + */ +#define LTQ_ASC0_BASE_ADDR 0x1E100C00 +#define LTQ_EARLY_ASC KSEG1ADDR(LTQ_ASC0_BASE_ADDR) + +/* WDT */ +#define LTQ_RST_CAUSE_WDTRST 0x0002 + +/* CHIP ID */ +#define LTQ_STATUS_BASE_ADDR 0x1E802000 + +#define FALCON_CHIPID ((u32 *)(KSEG1 + LTQ_STATUS_BASE_ADDR + 0x0c)) +#define FALCON_CHIPTYPE ((u32 *)(KSEG1 + LTQ_STATUS_BASE_ADDR + 0x38)) +#define FALCON_CHIPCONF ((u32 *)(KSEG1 + LTQ_STATUS_BASE_ADDR + 0x40)) + +/* SYSCTL - start/stop/restart/configure/... different parts of the Soc */ +#define SYSCTL_SYS1 0 +#define SYSCTL_SYSETH 1 +#define SYSCTL_SYSGPE 2 + +/* BOOT_SEL - find what boot media we have */ +#define BS_FLASH 0x1 +#define BS_SPI 0x4 + +/* global register ranges */ +extern __iomem void *ltq_ebu_membase; +extern __iomem void *ltq_sys1_membase; +#define ltq_ebu_w32(x, y) ltq_w32((x), ltq_ebu_membase + (y)) +#define ltq_ebu_r32(x) ltq_r32(ltq_ebu_membase + (x)) + +#define ltq_sys1_w32(x, y) ltq_w32((x), ltq_sys1_membase + (y)) +#define ltq_sys1_r32(x) ltq_r32(ltq_sys1_membase + (x)) +#define ltq_sys1_w32_mask(clear, set, reg) \ + ltq_sys1_w32((ltq_sys1_r32(reg) & ~(clear)) | (set), reg) + +/* + * to keep the irq code generic we need to define this to 0 as falcon + * has no EIU/EBU + */ +#define LTQ_EBU_PCC_ISTAT 0 + +#endif /* CONFIG_SOC_FALCON */ +#endif /* _LTQ_XWAY_H__ */ diff --git a/arch/mips/include/asm/mach-lantiq/gpio.h b/arch/mips/include/asm/mach-lantiq/gpio.h new file mode 100644 index 00000000000..f79505b4360 --- /dev/null +++ b/arch/mips/include/asm/mach-lantiq/gpio.h @@ -0,0 +1,16 @@ +#ifndef __ASM_MIPS_MACH_LANTIQ_GPIO_H +#define __ASM_MIPS_MACH_LANTIQ_GPIO_H + +static inline int gpio_to_irq(unsigned int gpio) +{ + return -1; +} + +#define gpio_get_value __gpio_get_value +#define gpio_set_value __gpio_set_value + +#define gpio_cansleep __gpio_cansleep + +#include <asm-generic/gpio.h> + +#endif diff --git a/arch/mips/include/asm/mach-lantiq/lantiq.h b/arch/mips/include/asm/mach-lantiq/lantiq.h index ce2f02929d2..5e8a6e96575 100644 --- a/arch/mips/include/asm/mach-lantiq/lantiq.h +++ b/arch/mips/include/asm/mach-lantiq/lantiq.h @@ -9,6 +9,8 @@ #define _LANTIQ_H__ #include <linux/irq.h> +#include <linux/device.h> +#include <linux/clk.h> /* generic reg access functions */ #define ltq_r32(reg) __raw_readl(reg) @@ -21,25 +23,9 @@ /* register access macros for EBU and CGU */ #define ltq_ebu_w32(x, y) ltq_w32((x), ltq_ebu_membase + (y)) #define ltq_ebu_r32(x) ltq_r32(ltq_ebu_membase + (x)) -#define ltq_cgu_w32(x, y) ltq_w32((x), ltq_cgu_membase + (y)) -#define ltq_cgu_r32(x) ltq_r32(ltq_cgu_membase + (x)) - +#define ltq_ebu_w32_mask(x, y, z) \ + ltq_w32_mask(x, y, ltq_ebu_membase + (z)) extern __iomem void *ltq_ebu_membase; -extern __iomem void *ltq_cgu_membase; - -extern unsigned int ltq_get_cpu_ver(void); -extern unsigned int ltq_get_soc_type(void); - -/* clock speeds */ -#define CLOCK_60M 60000000 -#define CLOCK_83M 83333333 -#define CLOCK_111M 111111111 -#define CLOCK_133M 133333333 -#define CLOCK_167M 166666667 -#define CLOCK_200M 200000000 -#define CLOCK_266M 266666666 -#define CLOCK_333M 333333333 -#define CLOCK_400M 400000000 /* spinlock all ebu i/o */ extern spinlock_t ebu_lock; @@ -49,15 +35,21 @@ extern void ltq_disable_irq(struct irq_data *data); extern void ltq_mask_and_ack_irq(struct irq_data *data); extern void ltq_enable_irq(struct irq_data *data); +/* clock handling */ +extern int clk_activate(struct clk *clk); +extern void clk_deactivate(struct clk *clk); +extern struct clk *clk_get_cpu(void); +extern struct clk *clk_get_fpi(void); +extern struct clk *clk_get_io(void); + +/* find out what bootsource we have */ +extern unsigned char ltq_boot_select(void); /* find out what caused the last cpu reset */ extern int ltq_reset_cause(void); -#define LTQ_RST_CAUSE_WDTRST 0x20 #define IOPORT_RESOURCE_START 0x10000000 #define IOPORT_RESOURCE_END 0xffffffff #define IOMEM_RESOURCE_START 0x10000000 #define IOMEM_RESOURCE_END 0xffffffff -#define LTQ_FLASH_START 0x10000000 -#define LTQ_FLASH_MAX 0x04000000 #endif diff --git a/arch/mips/include/asm/mach-lantiq/lantiq_platform.h b/arch/mips/include/asm/mach-lantiq/lantiq_platform.h index a305f1d0259..e23bf7c9a2d 100644 --- a/arch/mips/include/asm/mach-lantiq/lantiq_platform.h +++ b/arch/mips/include/asm/mach-lantiq/lantiq_platform.h @@ -9,41 +9,8 @@ #ifndef _LANTIQ_PLATFORM_H__ #define _LANTIQ_PLATFORM_H__ -#include <linux/mtd/partitions.h> #include <linux/socket.h> -/* struct used to pass info to the pci core */ -enum { - PCI_CLOCK_INT = 0, - PCI_CLOCK_EXT -}; - -#define PCI_EXIN0 0x0001 -#define PCI_EXIN1 0x0002 -#define PCI_EXIN2 0x0004 -#define PCI_EXIN3 0x0008 -#define PCI_EXIN4 0x0010 -#define PCI_EXIN5 0x0020 -#define PCI_EXIN_MAX 6 - -#define PCI_GNT1 0x0040 -#define PCI_GNT2 0x0080 -#define PCI_GNT3 0x0100 -#define PCI_GNT4 0x0200 - -#define PCI_REQ1 0x0400 -#define PCI_REQ2 0x0800 -#define PCI_REQ3 0x1000 -#define PCI_REQ4 0x2000 -#define PCI_REQ_SHIFT 10 -#define PCI_REQ_MASK 0xf - -struct ltq_pci_data { - int clock; - int gpio; - int irq[16]; -}; - /* struct used to pass info to network drivers */ struct ltq_eth_data { struct sockaddr mac; diff --git a/arch/mips/include/asm/mach-lantiq/xway/lantiq_irq.h b/arch/mips/include/asm/mach-lantiq/xway/lantiq_irq.h index b4465a888e2..aa0b3b866f8 100644 --- a/arch/mips/include/asm/mach-lantiq/xway/lantiq_irq.h +++ b/arch/mips/include/asm/mach-lantiq/xway/lantiq_irq.h @@ -17,50 +17,8 @@ #define INT_NUM_IM4_IRL0 (INT_NUM_IRQ0 + 128) #define INT_NUM_IM_OFFSET (INT_NUM_IM1_IRL0 - INT_NUM_IM0_IRL0) -#define LTQ_ASC_TIR(x) (INT_NUM_IM3_IRL0 + (x * 8)) -#define LTQ_ASC_RIR(x) (INT_NUM_IM3_IRL0 + (x * 8) + 1) -#define LTQ_ASC_EIR(x) (INT_NUM_IM3_IRL0 + (x * 8) + 2) - -#define LTQ_ASC_ASE_TIR INT_NUM_IM2_IRL0 -#define LTQ_ASC_ASE_RIR (INT_NUM_IM2_IRL0 + 2) -#define LTQ_ASC_ASE_EIR (INT_NUM_IM2_IRL0 + 3) - -#define LTQ_SSC_TIR (INT_NUM_IM0_IRL0 + 15) -#define LTQ_SSC_RIR (INT_NUM_IM0_IRL0 + 14) -#define LTQ_SSC_EIR (INT_NUM_IM0_IRL0 + 16) - -#define LTQ_MEI_DYING_GASP_INT (INT_NUM_IM1_IRL0 + 21) -#define LTQ_MEI_INT (INT_NUM_IM1_IRL0 + 23) - -#define LTQ_TIMER6_INT (INT_NUM_IM1_IRL0 + 23) -#define LTQ_USB_INT (INT_NUM_IM1_IRL0 + 22) -#define LTQ_USB_OC_INT (INT_NUM_IM4_IRL0 + 23) - -#define MIPS_CPU_TIMER_IRQ 7 - #define LTQ_DMA_CH0_INT (INT_NUM_IM2_IRL0) -#define LTQ_DMA_CH1_INT (INT_NUM_IM2_IRL0 + 1) -#define LTQ_DMA_CH2_INT (INT_NUM_IM2_IRL0 + 2) -#define LTQ_DMA_CH3_INT (INT_NUM_IM2_IRL0 + 3) -#define LTQ_DMA_CH4_INT (INT_NUM_IM2_IRL0 + 4) -#define LTQ_DMA_CH5_INT (INT_NUM_IM2_IRL0 + 5) -#define LTQ_DMA_CH6_INT (INT_NUM_IM2_IRL0 + 6) -#define LTQ_DMA_CH7_INT (INT_NUM_IM2_IRL0 + 7) -#define LTQ_DMA_CH8_INT (INT_NUM_IM2_IRL0 + 8) -#define LTQ_DMA_CH9_INT (INT_NUM_IM2_IRL0 + 9) -#define LTQ_DMA_CH10_INT (INT_NUM_IM2_IRL0 + 10) -#define LTQ_DMA_CH11_INT (INT_NUM_IM2_IRL0 + 11) -#define LTQ_DMA_CH12_INT (INT_NUM_IM2_IRL0 + 25) -#define LTQ_DMA_CH13_INT (INT_NUM_IM2_IRL0 + 26) -#define LTQ_DMA_CH14_INT (INT_NUM_IM2_IRL0 + 27) -#define LTQ_DMA_CH15_INT (INT_NUM_IM2_IRL0 + 28) -#define LTQ_DMA_CH16_INT (INT_NUM_IM2_IRL0 + 29) -#define LTQ_DMA_CH17_INT (INT_NUM_IM2_IRL0 + 30) -#define LTQ_DMA_CH18_INT (INT_NUM_IM2_IRL0 + 16) -#define LTQ_DMA_CH19_INT (INT_NUM_IM2_IRL0 + 21) - -#define LTQ_PPE_MBOX_INT (INT_NUM_IM2_IRL0 + 24) -#define INT_NUM_IM4_IRL14 (INT_NUM_IM4_IRL0 + 14) +#define MIPS_CPU_TIMER_IRQ 7 #endif diff --git a/arch/mips/include/asm/mach-lantiq/xway/lantiq_soc.h b/arch/mips/include/asm/mach-lantiq/xway/lantiq_soc.h index 8a3c6be669d..6a2df709c57 100644 --- a/arch/mips/include/asm/mach-lantiq/xway/lantiq_soc.h +++ b/arch/mips/include/asm/mach-lantiq/xway/lantiq_soc.h @@ -17,38 +17,56 @@ #define SOC_ID_DANUBE1 0x129 #define SOC_ID_DANUBE2 0x12B #define SOC_ID_TWINPASS 0x12D -#define SOC_ID_AMAZON_SE 0x152 +#define SOC_ID_AMAZON_SE_1 0x152 /* 50601 */ +#define SOC_ID_AMAZON_SE_2 0x153 /* 50600 */ #define SOC_ID_ARX188 0x16C -#define SOC_ID_ARX168 0x16D +#define SOC_ID_ARX168_1 0x16D +#define SOC_ID_ARX168_2 0x16E #define SOC_ID_ARX182 0x16F - -/* SoC Types */ +#define SOC_ID_GRX188 0x170 +#define SOC_ID_GRX168 0x171 + +#define SOC_ID_VRX288 0x1C0 /* v1.1 */ +#define SOC_ID_VRX282 0x1C1 /* v1.1 */ +#define SOC_ID_VRX268 0x1C2 /* v1.1 */ +#define SOC_ID_GRX268 0x1C8 /* v1.1 */ +#define SOC_ID_GRX288 0x1C9 /* v1.1 */ +#define SOC_ID_VRX288_2 0x00B /* v1.2 */ +#define SOC_ID_VRX268_2 0x00C /* v1.2 */ +#define SOC_ID_GRX288_2 0x00D /* v1.2 */ +#define SOC_ID_GRX282_2 0x00E /* v1.2 */ + + /* SoC Types */ #define SOC_TYPE_DANUBE 0x01 #define SOC_TYPE_TWINPASS 0x02 #define SOC_TYPE_AR9 0x03 -#define SOC_TYPE_VR9 0x04 -#define SOC_TYPE_AMAZON_SE 0x05 +#define SOC_TYPE_VR9 0x04 /* v1.1 */ +#define SOC_TYPE_VR9_2 0x05 /* v1.2 */ +#define SOC_TYPE_AMAZON_SE 0x06 + +/* BOOT_SEL - find what boot media we have */ +#define BS_EXT_ROM 0x0 +#define BS_FLASH 0x1 +#define BS_MII0 0x2 +#define BS_PCI 0x3 +#define BS_UART1 0x4 +#define BS_SPI 0x5 +#define BS_NAND 0x6 +#define BS_RMII0 0x7 + +/* helpers used to access the cgu */ +#define ltq_cgu_w32(x, y) ltq_w32((x), ltq_cgu_membase + (y)) +#define ltq_cgu_r32(x) ltq_r32(ltq_cgu_membase + (x)) +extern __iomem void *ltq_cgu_membase; -/* ASC0/1 - serial port */ -#define LTQ_ASC0_BASE_ADDR 0x1E100400 +/* + * during early_printk no ioremap is possible + * lets use KSEG1 instead + */ #define LTQ_ASC1_BASE_ADDR 0x1E100C00 -#define LTQ_ASC_SIZE 0x400 - -/* RCU - reset control unit */ -#define LTQ_RCU_BASE_ADDR 0x1F203000 -#define LTQ_RCU_SIZE 0x1000 - -/* GPTU - general purpose timer unit */ -#define LTQ_GPTU_BASE_ADDR 0x18000300 -#define LTQ_GPTU_SIZE 0x100 +#define LTQ_EARLY_ASC KSEG1ADDR(LTQ_ASC1_BASE_ADDR) /* EBU - external bus unit */ -#define LTQ_EBU_GPIO_START 0x14000000 -#define LTQ_EBU_GPIO_SIZE 0x1000 - -#define LTQ_EBU_BASE_ADDR 0x1E105300 -#define LTQ_EBU_SIZE 0x100 - #define LTQ_EBU_BUSCON0 0x0060 #define LTQ_EBU_PCC_CON 0x0090 #define LTQ_EBU_PCC_IEN 0x00A4 @@ -57,85 +75,17 @@ #define LTQ_EBU_ADDRSEL1 0x0024 #define EBU_WRDIS 0x80000000 -/* CGU - clock generation unit */ -#define LTQ_CGU_BASE_ADDR 0x1F103000 -#define LTQ_CGU_SIZE 0x1000 - -/* ICU - interrupt control unit */ -#define LTQ_ICU_BASE_ADDR 0x1F880200 -#define LTQ_ICU_SIZE 0x100 - -/* EIU - external interrupt unit */ -#define LTQ_EIU_BASE_ADDR 0x1F101000 -#define LTQ_EIU_SIZE 0x1000 - -/* PMU - power management unit */ -#define LTQ_PMU_BASE_ADDR 0x1F102000 -#define LTQ_PMU_SIZE 0x1000 - -#define PMU_DMA 0x0020 -#define PMU_USB 0x8041 -#define PMU_LED 0x0800 -#define PMU_GPT 0x1000 -#define PMU_PPE 0x2000 -#define PMU_FPI 0x4000 -#define PMU_SWITCH 0x10000000 - -/* ETOP - ethernet */ -#define LTQ_ETOP_BASE_ADDR 0x1E180000 -#define LTQ_ETOP_SIZE 0x40000 - -/* DMA */ -#define LTQ_DMA_BASE_ADDR 0x1E104100 -#define LTQ_DMA_SIZE 0x800 - -/* PCI */ -#define PCI_CR_BASE_ADDR 0x1E105400 -#define PCI_CR_SIZE 0x400 - /* WDT */ -#define LTQ_WDT_BASE_ADDR 0x1F8803F0 -#define LTQ_WDT_SIZE 0x10 - -/* STP - serial to parallel conversion unit */ -#define LTQ_STP_BASE_ADDR 0x1E100BB0 -#define LTQ_STP_SIZE 0x40 - -/* GPIO */ -#define LTQ_GPIO0_BASE_ADDR 0x1E100B10 -#define LTQ_GPIO1_BASE_ADDR 0x1E100B40 -#define LTQ_GPIO2_BASE_ADDR 0x1E100B70 -#define LTQ_GPIO_SIZE 0x30 - -/* SSC */ -#define LTQ_SSC_BASE_ADDR 0x1e100800 -#define LTQ_SSC_SIZE 0x100 - -/* MEI - dsl core */ -#define LTQ_MEI_BASE_ADDR 0x1E116000 - -/* DEU - data encryption unit */ -#define LTQ_DEU_BASE_ADDR 0x1E103100 +#define LTQ_RST_CAUSE_WDTRST 0x20 /* MPS - multi processor unit (voice) */ #define LTQ_MPS_BASE_ADDR (KSEG1 + 0x1F107000) #define LTQ_MPS_CHIPID ((u32 *)(LTQ_MPS_BASE_ADDR + 0x0344)) /* request a non-gpio and set the PIO config */ -extern int ltq_gpio_request(unsigned int pin, unsigned int alt0, - unsigned int alt1, unsigned int dir, const char *name); +#define PMU_PPE BIT(13) extern void ltq_pmu_enable(unsigned int module); extern void ltq_pmu_disable(unsigned int module); -static inline int ltq_is_ar9(void) -{ - return (ltq_get_soc_type() == SOC_TYPE_AR9); -} - -static inline int ltq_is_vr9(void) -{ - return (ltq_get_soc_type() == SOC_TYPE_VR9); -} - #endif /* CONFIG_SOC_TYPE_XWAY */ #endif /* _LTQ_XWAY_H__ */ diff --git a/arch/mips/include/asm/mips-boards/generic.h b/arch/mips/include/asm/mips-boards/generic.h index 46c08563e53..6e23ceb0ba8 100644 --- a/arch/mips/include/asm/mips-boards/generic.h +++ b/arch/mips/include/asm/mips-boards/generic.h @@ -93,8 +93,4 @@ extern void mips_pcibios_init(void); #define mips_pcibios_init() do { } while (0) #endif -#ifdef CONFIG_KGDB -extern void kgdb_config(void); -#endif - #endif /* __ASM_MIPS_BOARDS_GENERIC_H */ diff --git a/arch/mips/include/asm/module.h b/arch/mips/include/asm/module.h index 7467d1d933d..530008048c6 100644 --- a/arch/mips/include/asm/module.h +++ b/arch/mips/include/asm/module.h @@ -2,6 +2,7 @@ #define _ASM_MODULE_H #include <linux/list.h> +#include <linux/elf.h> #include <asm/uaccess.h> struct mod_arch_specific { diff --git a/arch/mips/include/asm/octeon/cvmx-pcieep-defs.h b/arch/mips/include/asm/octeon/cvmx-pcieep-defs.h deleted file mode 100644 index d553f8e88df..00000000000 --- a/arch/mips/include/asm/octeon/cvmx-pcieep-defs.h +++ /dev/null @@ -1,1365 +0,0 @@ -/***********************license start*************** - * Author: Cavium Networks - * - * Contact: support@caviumnetworks.com - * This file is part of the OCTEON SDK - * - * Copyright (c) 2003-2008 Cavium Networks - * - * This file is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License, Version 2, as - * published by the Free Software Foundation. - * - * This file is distributed in the hope that it will be useful, but - * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty - * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or - * NONINFRINGEMENT. See the GNU General Public License for more - * details. - * - * You should have received a copy of the GNU General Public License - * along with this file; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - * or visit http://www.gnu.org/licenses/. - * - * This file may also be available under a different license from Cavium. - * Contact Cavium Networks for more information - ***********************license end**************************************/ - -#ifndef __CVMX_PCIEEP_DEFS_H__ -#define __CVMX_PCIEEP_DEFS_H__ - -#define CVMX_PCIEEP_CFG000 \ - (0x0000000000000000ull) -#define CVMX_PCIEEP_CFG001 \ - (0x0000000000000004ull) -#define CVMX_PCIEEP_CFG002 \ - (0x0000000000000008ull) -#define CVMX_PCIEEP_CFG003 \ - (0x000000000000000Cull) -#define CVMX_PCIEEP_CFG004 \ - (0x0000000000000010ull) -#define CVMX_PCIEEP_CFG004_MASK \ - (0x0000000080000010ull) -#define CVMX_PCIEEP_CFG005 \ - (0x0000000000000014ull) -#define CVMX_PCIEEP_CFG005_MASK \ - (0x0000000080000014ull) -#define CVMX_PCIEEP_CFG006 \ - (0x0000000000000018ull) -#define CVMX_PCIEEP_CFG006_MASK \ - (0x0000000080000018ull) -#define CVMX_PCIEEP_CFG007 \ - (0x000000000000001Cull) -#define CVMX_PCIEEP_CFG007_MASK \ - (0x000000008000001Cull) -#define CVMX_PCIEEP_CFG008 \ - (0x0000000000000020ull) -#define CVMX_PCIEEP_CFG008_MASK \ - (0x0000000080000020ull) -#define CVMX_PCIEEP_CFG009 \ - (0x0000000000000024ull) -#define CVMX_PCIEEP_CFG009_MASK \ - (0x0000000080000024ull) -#define CVMX_PCIEEP_CFG010 \ - (0x0000000000000028ull) -#define CVMX_PCIEEP_CFG011 \ - (0x000000000000002Cull) -#define CVMX_PCIEEP_CFG012 \ - (0x0000000000000030ull) -#define CVMX_PCIEEP_CFG012_MASK \ - (0x0000000080000030ull) -#define CVMX_PCIEEP_CFG013 \ - (0x0000000000000034ull) -#define CVMX_PCIEEP_CFG015 \ - (0x000000000000003Cull) -#define CVMX_PCIEEP_CFG016 \ - (0x0000000000000040ull) -#define CVMX_PCIEEP_CFG017 \ - (0x0000000000000044ull) -#define CVMX_PCIEEP_CFG020 \ - (0x0000000000000050ull) -#define CVMX_PCIEEP_CFG021 \ - (0x0000000000000054ull) -#define CVMX_PCIEEP_CFG022 \ - (0x0000000000000058ull) -#define CVMX_PCIEEP_CFG023 \ - (0x000000000000005Cull) -#define CVMX_PCIEEP_CFG028 \ - (0x0000000000000070ull) -#define CVMX_PCIEEP_CFG029 \ - (0x0000000000000074ull) -#define CVMX_PCIEEP_CFG030 \ - (0x0000000000000078ull) -#define CVMX_PCIEEP_CFG031 \ - (0x000000000000007Cull) -#define CVMX_PCIEEP_CFG032 \ - (0x0000000000000080ull) -#define CVMX_PCIEEP_CFG033 \ - (0x0000000000000084ull) -#define CVMX_PCIEEP_CFG034 \ - (0x0000000000000088ull) -#define CVMX_PCIEEP_CFG037 \ - (0x0000000000000094ull) -#define CVMX_PCIEEP_CFG038 \ - (0x0000000000000098ull) -#define CVMX_PCIEEP_CFG039 \ - (0x000000000000009Cull) -#define CVMX_PCIEEP_CFG040 \ - (0x00000000000000A0ull) -#define CVMX_PCIEEP_CFG041 \ - (0x00000000000000A4ull) -#define CVMX_PCIEEP_CFG042 \ - (0x00000000000000A8ull) -#define CVMX_PCIEEP_CFG064 \ - (0x0000000000000100ull) -#define CVMX_PCIEEP_CFG065 \ - (0x0000000000000104ull) -#define CVMX_PCIEEP_CFG066 \ - (0x0000000000000108ull) -#define CVMX_PCIEEP_CFG067 \ - (0x000000000000010Cull) -#define CVMX_PCIEEP_CFG068 \ - (0x0000000000000110ull) -#define CVMX_PCIEEP_CFG069 \ - (0x0000000000000114ull) -#define CVMX_PCIEEP_CFG070 \ - (0x0000000000000118ull) -#define CVMX_PCIEEP_CFG071 \ - (0x000000000000011Cull) -#define CVMX_PCIEEP_CFG072 \ - (0x0000000000000120ull) -#define CVMX_PCIEEP_CFG073 \ - (0x0000000000000124ull) -#define CVMX_PCIEEP_CFG074 \ - (0x0000000000000128ull) -#define CVMX_PCIEEP_CFG448 \ - (0x0000000000000700ull) -#define CVMX_PCIEEP_CFG449 \ - (0x0000000000000704ull) -#define CVMX_PCIEEP_CFG450 \ - (0x0000000000000708ull) -#define CVMX_PCIEEP_CFG451 \ - (0x000000000000070Cull) -#define CVMX_PCIEEP_CFG452 \ - (0x0000000000000710ull) -#define CVMX_PCIEEP_CFG453 \ - (0x0000000000000714ull) -#define CVMX_PCIEEP_CFG454 \ - (0x0000000000000718ull) -#define CVMX_PCIEEP_CFG455 \ - (0x000000000000071Cull) -#define CVMX_PCIEEP_CFG456 \ - (0x0000000000000720ull) -#define CVMX_PCIEEP_CFG458 \ - (0x0000000000000728ull) -#define CVMX_PCIEEP_CFG459 \ - (0x000000000000072Cull) -#define CVMX_PCIEEP_CFG460 \ - (0x0000000000000730ull) -#define CVMX_PCIEEP_CFG461 \ - (0x0000000000000734ull) -#define CVMX_PCIEEP_CFG462 \ - (0x0000000000000738ull) -#define CVMX_PCIEEP_CFG463 \ - (0x000000000000073Cull) -#define CVMX_PCIEEP_CFG464 \ - (0x0000000000000740ull) -#define CVMX_PCIEEP_CFG465 \ - (0x0000000000000744ull) -#define CVMX_PCIEEP_CFG466 \ - (0x0000000000000748ull) -#define CVMX_PCIEEP_CFG467 \ - (0x000000000000074Cull) -#define CVMX_PCIEEP_CFG468 \ - (0x0000000000000750ull) -#define CVMX_PCIEEP_CFG490 \ - (0x00000000000007A8ull) -#define CVMX_PCIEEP_CFG491 \ - (0x00000000000007ACull) -#define CVMX_PCIEEP_CFG492 \ - (0x00000000000007B0ull) -#define CVMX_PCIEEP_CFG516 \ - (0x0000000000000810ull) -#define CVMX_PCIEEP_CFG517 \ - (0x0000000000000814ull) - -union cvmx_pcieep_cfg000 { - uint32_t u32; - struct cvmx_pcieep_cfg000_s { - uint32_t devid:16; - uint32_t vendid:16; - } s; - struct cvmx_pcieep_cfg000_s cn52xx; - struct cvmx_pcieep_cfg000_s cn52xxp1; - struct cvmx_pcieep_cfg000_s cn56xx; - struct cvmx_pcieep_cfg000_s cn56xxp1; -}; - -union cvmx_pcieep_cfg001 { - uint32_t u32; - struct cvmx_pcieep_cfg001_s { - uint32_t dpe:1; - uint32_t sse:1; - uint32_t rma:1; - uint32_t rta:1; - uint32_t sta:1; - uint32_t devt:2; - uint32_t mdpe:1; - uint32_t fbb:1; - uint32_t reserved_22_22:1; - uint32_t m66:1; - uint32_t cl:1; - uint32_t i_stat:1; - uint32_t reserved_11_18:8; - uint32_t i_dis:1; - uint32_t fbbe:1; - uint32_t see:1; - uint32_t ids_wcc:1; - uint32_t per:1; - uint32_t vps:1; - uint32_t mwice:1; - uint32_t scse:1; - uint32_t me:1; - uint32_t msae:1; - uint32_t isae:1; - } s; - struct cvmx_pcieep_cfg001_s cn52xx; - struct cvmx_pcieep_cfg001_s cn52xxp1; - struct cvmx_pcieep_cfg001_s cn56xx; - struct cvmx_pcieep_cfg001_s cn56xxp1; -}; - -union cvmx_pcieep_cfg002 { - uint32_t u32; - struct cvmx_pcieep_cfg002_s { - uint32_t bcc:8; - uint32_t sc:8; - uint32_t pi:8; - uint32_t rid:8; - } s; - struct cvmx_pcieep_cfg002_s cn52xx; - struct cvmx_pcieep_cfg002_s cn52xxp1; - struct cvmx_pcieep_cfg002_s cn56xx; - struct cvmx_pcieep_cfg002_s cn56xxp1; -}; - -union cvmx_pcieep_cfg003 { - uint32_t u32; - struct cvmx_pcieep_cfg003_s { - uint32_t bist:8; - uint32_t mfd:1; - uint32_t chf:7; - uint32_t lt:8; - uint32_t cls:8; - } s; - struct cvmx_pcieep_cfg003_s cn52xx; - struct cvmx_pcieep_cfg003_s cn52xxp1; - struct cvmx_pcieep_cfg003_s cn56xx; - struct cvmx_pcieep_cfg003_s cn56xxp1; -}; - -union cvmx_pcieep_cfg004 { - uint32_t u32; - struct cvmx_pcieep_cfg004_s { - uint32_t lbab:18; - uint32_t reserved_4_13:10; - uint32_t pf:1; - uint32_t typ:2; - uint32_t mspc:1; - } s; - struct cvmx_pcieep_cfg004_s cn52xx; - struct cvmx_pcieep_cfg004_s cn52xxp1; - struct cvmx_pcieep_cfg004_s cn56xx; - struct cvmx_pcieep_cfg004_s cn56xxp1; -}; - -union cvmx_pcieep_cfg004_mask { - uint32_t u32; - struct cvmx_pcieep_cfg004_mask_s { - uint32_t lmask:31; - uint32_t enb:1; - } s; - struct cvmx_pcieep_cfg004_mask_s cn52xx; - struct cvmx_pcieep_cfg004_mask_s cn52xxp1; - struct cvmx_pcieep_cfg004_mask_s cn56xx; - struct cvmx_pcieep_cfg004_mask_s cn56xxp1; -}; - -union cvmx_pcieep_cfg005 { - uint32_t u32; - struct cvmx_pcieep_cfg005_s { - uint32_t ubab:32; - } s; - struct cvmx_pcieep_cfg005_s cn52xx; - struct cvmx_pcieep_cfg005_s cn52xxp1; - struct cvmx_pcieep_cfg005_s cn56xx; - struct cvmx_pcieep_cfg005_s cn56xxp1; -}; - -union cvmx_pcieep_cfg005_mask { - uint32_t u32; - struct cvmx_pcieep_cfg005_mask_s { - uint32_t umask:32; - } s; - struct cvmx_pcieep_cfg005_mask_s cn52xx; - struct cvmx_pcieep_cfg005_mask_s cn52xxp1; - struct cvmx_pcieep_cfg005_mask_s cn56xx; - struct cvmx_pcieep_cfg005_mask_s cn56xxp1; -}; - -union cvmx_pcieep_cfg006 { - uint32_t u32; - struct cvmx_pcieep_cfg006_s { - uint32_t lbab:6; - uint32_t reserved_4_25:22; - uint32_t pf:1; - uint32_t typ:2; - uint32_t mspc:1; - } s; - struct cvmx_pcieep_cfg006_s cn52xx; - struct cvmx_pcieep_cfg006_s cn52xxp1; - struct cvmx_pcieep_cfg006_s cn56xx; - struct cvmx_pcieep_cfg006_s cn56xxp1; -}; - -union cvmx_pcieep_cfg006_mask { - uint32_t u32; - struct cvmx_pcieep_cfg006_mask_s { - uint32_t lmask:31; - uint32_t enb:1; - } s; - struct cvmx_pcieep_cfg006_mask_s cn52xx; - struct cvmx_pcieep_cfg006_mask_s cn52xxp1; - struct cvmx_pcieep_cfg006_mask_s cn56xx; - struct cvmx_pcieep_cfg006_mask_s cn56xxp1; -}; - -union cvmx_pcieep_cfg007 { - uint32_t u32; - struct cvmx_pcieep_cfg007_s { - uint32_t ubab:32; - } s; - struct cvmx_pcieep_cfg007_s cn52xx; - struct cvmx_pcieep_cfg007_s cn52xxp1; - struct cvmx_pcieep_cfg007_s cn56xx; - struct cvmx_pcieep_cfg007_s cn56xxp1; -}; - -union cvmx_pcieep_cfg007_mask { - uint32_t u32; - struct cvmx_pcieep_cfg007_mask_s { - uint32_t umask:32; - } s; - struct cvmx_pcieep_cfg007_mask_s cn52xx; - struct cvmx_pcieep_cfg007_mask_s cn52xxp1; - struct cvmx_pcieep_cfg007_mask_s cn56xx; - struct cvmx_pcieep_cfg007_mask_s cn56xxp1; -}; - -union cvmx_pcieep_cfg008 { - uint32_t u32; - struct cvmx_pcieep_cfg008_s { - uint32_t reserved_4_31:28; - uint32_t pf:1; - uint32_t typ:2; - uint32_t mspc:1; - } s; - struct cvmx_pcieep_cfg008_s cn52xx; - struct cvmx_pcieep_cfg008_s cn52xxp1; - struct cvmx_pcieep_cfg008_s cn56xx; - struct cvmx_pcieep_cfg008_s cn56xxp1; -}; - -union cvmx_pcieep_cfg008_mask { - uint32_t u32; - struct cvmx_pcieep_cfg008_mask_s { - uint32_t lmask:31; - uint32_t enb:1; - } s; - struct cvmx_pcieep_cfg008_mask_s cn52xx; - struct cvmx_pcieep_cfg008_mask_s cn52xxp1; - struct cvmx_pcieep_cfg008_mask_s cn56xx; - struct cvmx_pcieep_cfg008_mask_s cn56xxp1; -}; - -union cvmx_pcieep_cfg009 { - uint32_t u32; - struct cvmx_pcieep_cfg009_s { - uint32_t ubab:25; - uint32_t reserved_0_6:7; - } s; - struct cvmx_pcieep_cfg009_s cn52xx; - struct cvmx_pcieep_cfg009_s cn52xxp1; - struct cvmx_pcieep_cfg009_s cn56xx; - struct cvmx_pcieep_cfg009_s cn56xxp1; -}; - -union cvmx_pcieep_cfg009_mask { - uint32_t u32; - struct cvmx_pcieep_cfg009_mask_s { - uint32_t umask:32; - } s; - struct cvmx_pcieep_cfg009_mask_s cn52xx; - struct cvmx_pcieep_cfg009_mask_s cn52xxp1; - struct cvmx_pcieep_cfg009_mask_s cn56xx; - struct cvmx_pcieep_cfg009_mask_s cn56xxp1; -}; - -union cvmx_pcieep_cfg010 { - uint32_t u32; - struct cvmx_pcieep_cfg010_s { - uint32_t cisp:32; - } s; - struct cvmx_pcieep_cfg010_s cn52xx; - struct cvmx_pcieep_cfg010_s cn52xxp1; - struct cvmx_pcieep_cfg010_s cn56xx; - struct cvmx_pcieep_cfg010_s cn56xxp1; -}; - -union cvmx_pcieep_cfg011 { - uint32_t u32; - struct cvmx_pcieep_cfg011_s { - uint32_t ssid:16; - uint32_t ssvid:16; - } s; - struct cvmx_pcieep_cfg011_s cn52xx; - struct cvmx_pcieep_cfg011_s cn52xxp1; - struct cvmx_pcieep_cfg011_s cn56xx; - struct cvmx_pcieep_cfg011_s cn56xxp1; -}; - -union cvmx_pcieep_cfg012 { - uint32_t u32; - struct cvmx_pcieep_cfg012_s { - uint32_t eraddr:16; - uint32_t reserved_1_15:15; - uint32_t er_en:1; - } s; - struct cvmx_pcieep_cfg012_s cn52xx; - struct cvmx_pcieep_cfg012_s cn52xxp1; - struct cvmx_pcieep_cfg012_s cn56xx; - struct cvmx_pcieep_cfg012_s cn56xxp1; -}; - -union cvmx_pcieep_cfg012_mask { - uint32_t u32; - struct cvmx_pcieep_cfg012_mask_s { - uint32_t mask:31; - uint32_t enb:1; - } s; - struct cvmx_pcieep_cfg012_mask_s cn52xx; - struct cvmx_pcieep_cfg012_mask_s cn52xxp1; - struct cvmx_pcieep_cfg012_mask_s cn56xx; - struct cvmx_pcieep_cfg012_mask_s cn56xxp1; -}; - -union cvmx_pcieep_cfg013 { - uint32_t u32; - struct cvmx_pcieep_cfg013_s { - uint32_t reserved_8_31:24; - uint32_t cp:8; - } s; - struct cvmx_pcieep_cfg013_s cn52xx; - struct cvmx_pcieep_cfg013_s cn52xxp1; - struct cvmx_pcieep_cfg013_s cn56xx; - struct cvmx_pcieep_cfg013_s cn56xxp1; -}; - -union cvmx_pcieep_cfg015 { - uint32_t u32; - struct cvmx_pcieep_cfg015_s { - uint32_t ml:8; - uint32_t mg:8; - uint32_t inta:8; - uint32_t il:8; - } s; - struct cvmx_pcieep_cfg015_s cn52xx; - struct cvmx_pcieep_cfg015_s cn52xxp1; - struct cvmx_pcieep_cfg015_s cn56xx; - struct cvmx_pcieep_cfg015_s cn56xxp1; -}; - -union cvmx_pcieep_cfg016 { - uint32_t u32; - struct cvmx_pcieep_cfg016_s { - uint32_t pmes:5; - uint32_t d2s:1; - uint32_t d1s:1; - uint32_t auxc:3; - uint32_t dsi:1; - uint32_t reserved_20_20:1; - uint32_t pme_clock:1; - uint32_t pmsv:3; - uint32_t ncp:8; - uint32_t pmcid:8; - } s; - struct cvmx_pcieep_cfg016_s cn52xx; - struct cvmx_pcieep_cfg016_s cn52xxp1; - struct cvmx_pcieep_cfg016_s cn56xx; - struct cvmx_pcieep_cfg016_s cn56xxp1; -}; - -union cvmx_pcieep_cfg017 { - uint32_t u32; - struct cvmx_pcieep_cfg017_s { - uint32_t pmdia:8; - uint32_t bpccee:1; - uint32_t bd3h:1; - uint32_t reserved_16_21:6; - uint32_t pmess:1; - uint32_t pmedsia:2; - uint32_t pmds:4; - uint32_t pmeens:1; - uint32_t reserved_4_7:4; - uint32_t nsr:1; - uint32_t reserved_2_2:1; - uint32_t ps:2; - } s; - struct cvmx_pcieep_cfg017_s cn52xx; - struct cvmx_pcieep_cfg017_s cn52xxp1; - struct cvmx_pcieep_cfg017_s cn56xx; - struct cvmx_pcieep_cfg017_s cn56xxp1; -}; - -union cvmx_pcieep_cfg020 { - uint32_t u32; - struct cvmx_pcieep_cfg020_s { - uint32_t reserved_24_31:8; - uint32_t m64:1; - uint32_t mme:3; - uint32_t mmc:3; - uint32_t msien:1; - uint32_t ncp:8; - uint32_t msicid:8; - } s; - struct cvmx_pcieep_cfg020_s cn52xx; - struct cvmx_pcieep_cfg020_s cn52xxp1; - struct cvmx_pcieep_cfg020_s cn56xx; - struct cvmx_pcieep_cfg020_s cn56xxp1; -}; - -union cvmx_pcieep_cfg021 { - uint32_t u32; - struct cvmx_pcieep_cfg021_s { - uint32_t lmsi:30; - uint32_t reserved_0_1:2; - } s; - struct cvmx_pcieep_cfg021_s cn52xx; - struct cvmx_pcieep_cfg021_s cn52xxp1; - struct cvmx_pcieep_cfg021_s cn56xx; - struct cvmx_pcieep_cfg021_s cn56xxp1; -}; - -union cvmx_pcieep_cfg022 { - uint32_t u32; - struct cvmx_pcieep_cfg022_s { - uint32_t umsi:32; - } s; - struct cvmx_pcieep_cfg022_s cn52xx; - struct cvmx_pcieep_cfg022_s cn52xxp1; - struct cvmx_pcieep_cfg022_s cn56xx; - struct cvmx_pcieep_cfg022_s cn56xxp1; -}; - -union cvmx_pcieep_cfg023 { - uint32_t u32; - struct cvmx_pcieep_cfg023_s { - uint32_t reserved_16_31:16; - uint32_t msimd:16; - } s; - struct cvmx_pcieep_cfg023_s cn52xx; - struct cvmx_pcieep_cfg023_s cn52xxp1; - struct cvmx_pcieep_cfg023_s cn56xx; - struct cvmx_pcieep_cfg023_s cn56xxp1; -}; - -union cvmx_pcieep_cfg028 { - uint32_t u32; - struct cvmx_pcieep_cfg028_s { - uint32_t reserved_30_31:2; - uint32_t imn:5; - uint32_t si:1; - uint32_t dpt:4; - uint32_t pciecv:4; - uint32_t ncp:8; - uint32_t pcieid:8; - } s; - struct cvmx_pcieep_cfg028_s cn52xx; - struct cvmx_pcieep_cfg028_s cn52xxp1; - struct cvmx_pcieep_cfg028_s cn56xx; - struct cvmx_pcieep_cfg028_s cn56xxp1; -}; - -union cvmx_pcieep_cfg029 { - uint32_t u32; - struct cvmx_pcieep_cfg029_s { - uint32_t reserved_28_31:4; - uint32_t cspls:2; - uint32_t csplv:8; - uint32_t reserved_16_17:2; - uint32_t rber:1; - uint32_t reserved_12_14:3; - uint32_t el1al:3; - uint32_t el0al:3; - uint32_t etfs:1; - uint32_t pfs:2; - uint32_t mpss:3; - } s; - struct cvmx_pcieep_cfg029_s cn52xx; - struct cvmx_pcieep_cfg029_s cn52xxp1; - struct cvmx_pcieep_cfg029_s cn56xx; - struct cvmx_pcieep_cfg029_s cn56xxp1; -}; - -union cvmx_pcieep_cfg030 { - uint32_t u32; - struct cvmx_pcieep_cfg030_s { - uint32_t reserved_22_31:10; - uint32_t tp:1; - uint32_t ap_d:1; - uint32_t ur_d:1; - uint32_t fe_d:1; - uint32_t nfe_d:1; - uint32_t ce_d:1; - uint32_t reserved_15_15:1; - uint32_t mrrs:3; - uint32_t ns_en:1; - uint32_t ap_en:1; - uint32_t pf_en:1; - uint32_t etf_en:1; - uint32_t mps:3; - uint32_t ro_en:1; - uint32_t ur_en:1; - uint32_t fe_en:1; - uint32_t nfe_en:1; - uint32_t ce_en:1; - } s; - struct cvmx_pcieep_cfg030_s cn52xx; - struct cvmx_pcieep_cfg030_s cn52xxp1; - struct cvmx_pcieep_cfg030_s cn56xx; - struct cvmx_pcieep_cfg030_s cn56xxp1; -}; - -union cvmx_pcieep_cfg031 { - uint32_t u32; - struct cvmx_pcieep_cfg031_s { - uint32_t pnum:8; - uint32_t reserved_22_23:2; - uint32_t lbnc:1; - uint32_t dllarc:1; - uint32_t sderc:1; - uint32_t cpm:1; - uint32_t l1el:3; - uint32_t l0el:3; - uint32_t aslpms:2; - uint32_t mlw:6; - uint32_t mls:4; - } s; - struct cvmx_pcieep_cfg031_s cn52xx; - struct cvmx_pcieep_cfg031_s cn52xxp1; - struct cvmx_pcieep_cfg031_s cn56xx; - struct cvmx_pcieep_cfg031_s cn56xxp1; -}; - -union cvmx_pcieep_cfg032 { - uint32_t u32; - struct cvmx_pcieep_cfg032_s { - uint32_t reserved_30_31:2; - uint32_t dlla:1; - uint32_t scc:1; - uint32_t lt:1; - uint32_t reserved_26_26:1; - uint32_t nlw:6; - uint32_t ls:4; - uint32_t reserved_10_15:6; - uint32_t hawd:1; - uint32_t ecpm:1; - uint32_t es:1; - uint32_t ccc:1; - uint32_t rl:1; - uint32_t ld:1; - uint32_t rcb:1; - uint32_t reserved_2_2:1; - uint32_t aslpc:2; - } s; - struct cvmx_pcieep_cfg032_s cn52xx; - struct cvmx_pcieep_cfg032_s cn52xxp1; - struct cvmx_pcieep_cfg032_s cn56xx; - struct cvmx_pcieep_cfg032_s cn56xxp1; -}; - -union cvmx_pcieep_cfg033 { - uint32_t u32; - struct cvmx_pcieep_cfg033_s { - uint32_t ps_num:13; - uint32_t nccs:1; - uint32_t emip:1; - uint32_t sp_ls:2; - uint32_t sp_lv:8; - uint32_t hp_c:1; - uint32_t hp_s:1; - uint32_t pip:1; - uint32_t aip:1; - uint32_t mrlsp:1; - uint32_t pcp:1; - uint32_t abp:1; - } s; - struct cvmx_pcieep_cfg033_s cn52xx; - struct cvmx_pcieep_cfg033_s cn52xxp1; - struct cvmx_pcieep_cfg033_s cn56xx; - struct cvmx_pcieep_cfg033_s cn56xxp1; -}; - -union cvmx_pcieep_cfg034 { - uint32_t u32; - struct cvmx_pcieep_cfg034_s { - uint32_t reserved_25_31:7; - uint32_t dlls_c:1; - uint32_t emis:1; - uint32_t pds:1; - uint32_t mrlss:1; - uint32_t ccint_d:1; - uint32_t pd_c:1; - uint32_t mrls_c:1; - uint32_t pf_d:1; - uint32_t abp_d:1; - uint32_t reserved_13_15:3; - uint32_t dlls_en:1; - uint32_t emic:1; - uint32_t pcc:1; - uint32_t pic:2; - uint32_t aic:2; - uint32_t hpint_en:1; - uint32_t ccint_en:1; - uint32_t pd_en:1; - uint32_t mrls_en:1; - uint32_t pf_en:1; - uint32_t abp_en:1; - } s; - struct cvmx_pcieep_cfg034_s cn52xx; - struct cvmx_pcieep_cfg034_s cn52xxp1; - struct cvmx_pcieep_cfg034_s cn56xx; - struct cvmx_pcieep_cfg034_s cn56xxp1; -}; - -union cvmx_pcieep_cfg037 { - uint32_t u32; - struct cvmx_pcieep_cfg037_s { - uint32_t reserved_5_31:27; - uint32_t ctds:1; - uint32_t ctrs:4; - } s; - struct cvmx_pcieep_cfg037_s cn52xx; - struct cvmx_pcieep_cfg037_s cn52xxp1; - struct cvmx_pcieep_cfg037_s cn56xx; - struct cvmx_pcieep_cfg037_s cn56xxp1; -}; - -union cvmx_pcieep_cfg038 { - uint32_t u32; - struct cvmx_pcieep_cfg038_s { - uint32_t reserved_5_31:27; - uint32_t ctd:1; - uint32_t ctv:4; - } s; - struct cvmx_pcieep_cfg038_s cn52xx; - struct cvmx_pcieep_cfg038_s cn52xxp1; - struct cvmx_pcieep_cfg038_s cn56xx; - struct cvmx_pcieep_cfg038_s cn56xxp1; -}; - -union cvmx_pcieep_cfg039 { - uint32_t u32; - struct cvmx_pcieep_cfg039_s { - uint32_t reserved_0_31:32; - } s; - struct cvmx_pcieep_cfg039_s cn52xx; - struct cvmx_pcieep_cfg039_s cn52xxp1; - struct cvmx_pcieep_cfg039_s cn56xx; - struct cvmx_pcieep_cfg039_s cn56xxp1; -}; - -union cvmx_pcieep_cfg040 { - uint32_t u32; - struct cvmx_pcieep_cfg040_s { - uint32_t reserved_0_31:32; - } s; - struct cvmx_pcieep_cfg040_s cn52xx; - struct cvmx_pcieep_cfg040_s cn52xxp1; - struct cvmx_pcieep_cfg040_s cn56xx; - struct cvmx_pcieep_cfg040_s cn56xxp1; -}; - -union cvmx_pcieep_cfg041 { - uint32_t u32; - struct cvmx_pcieep_cfg041_s { - uint32_t reserved_0_31:32; - } s; - struct cvmx_pcieep_cfg041_s cn52xx; - struct cvmx_pcieep_cfg041_s cn52xxp1; - struct cvmx_pcieep_cfg041_s cn56xx; - struct cvmx_pcieep_cfg041_s cn56xxp1; -}; - -union cvmx_pcieep_cfg042 { - uint32_t u32; - struct cvmx_pcieep_cfg042_s { - uint32_t reserved_0_31:32; - } s; - struct cvmx_pcieep_cfg042_s cn52xx; - struct cvmx_pcieep_cfg042_s cn52xxp1; - struct cvmx_pcieep_cfg042_s cn56xx; - struct cvmx_pcieep_cfg042_s cn56xxp1; -}; - -union cvmx_pcieep_cfg064 { - uint32_t u32; - struct cvmx_pcieep_cfg064_s { - uint32_t nco:12; - uint32_t cv:4; - uint32_t pcieec:16; - } s; - struct cvmx_pcieep_cfg064_s cn52xx; - struct cvmx_pcieep_cfg064_s cn52xxp1; - struct cvmx_pcieep_cfg064_s cn56xx; - struct cvmx_pcieep_cfg064_s cn56xxp1; -}; - -union cvmx_pcieep_cfg065 { - uint32_t u32; - struct cvmx_pcieep_cfg065_s { - uint32_t reserved_21_31:11; - uint32_t ures:1; - uint32_t ecrces:1; - uint32_t mtlps:1; - uint32_t ros:1; - uint32_t ucs:1; - uint32_t cas:1; - uint32_t cts:1; - uint32_t fcpes:1; - uint32_t ptlps:1; - uint32_t reserved_6_11:6; - uint32_t sdes:1; - uint32_t dlpes:1; - uint32_t reserved_0_3:4; - } s; - struct cvmx_pcieep_cfg065_s cn52xx; - struct cvmx_pcieep_cfg065_s cn52xxp1; - struct cvmx_pcieep_cfg065_s cn56xx; - struct cvmx_pcieep_cfg065_s cn56xxp1; -}; - -union cvmx_pcieep_cfg066 { - uint32_t u32; - struct cvmx_pcieep_cfg066_s { - uint32_t reserved_21_31:11; - uint32_t urem:1; - uint32_t ecrcem:1; - uint32_t mtlpm:1; - uint32_t rom:1; - uint32_t ucm:1; - uint32_t cam:1; - uint32_t ctm:1; - uint32_t fcpem:1; - uint32_t ptlpm:1; - uint32_t reserved_6_11:6; - uint32_t sdem:1; - uint32_t dlpem:1; - uint32_t reserved_0_3:4; - } s; - struct cvmx_pcieep_cfg066_s cn52xx; - struct cvmx_pcieep_cfg066_s cn52xxp1; - struct cvmx_pcieep_cfg066_s cn56xx; - struct cvmx_pcieep_cfg066_s cn56xxp1; -}; - -union cvmx_pcieep_cfg067 { - uint32_t u32; - struct cvmx_pcieep_cfg067_s { - uint32_t reserved_21_31:11; - uint32_t ures:1; - uint32_t ecrces:1; - uint32_t mtlps:1; - uint32_t ros:1; - uint32_t ucs:1; - uint32_t cas:1; - uint32_t cts:1; - uint32_t fcpes:1; - uint32_t ptlps:1; - uint32_t reserved_6_11:6; - uint32_t sdes:1; - uint32_t dlpes:1; - uint32_t reserved_0_3:4; - } s; - struct cvmx_pcieep_cfg067_s cn52xx; - struct cvmx_pcieep_cfg067_s cn52xxp1; - struct cvmx_pcieep_cfg067_s cn56xx; - struct cvmx_pcieep_cfg067_s cn56xxp1; -}; - -union cvmx_pcieep_cfg068 { - uint32_t u32; - struct cvmx_pcieep_cfg068_s { - uint32_t reserved_14_31:18; - uint32_t anfes:1; - uint32_t rtts:1; - uint32_t reserved_9_11:3; - uint32_t rnrs:1; - uint32_t bdllps:1; - uint32_t btlps:1; - uint32_t reserved_1_5:5; - uint32_t res:1; - } s; - struct cvmx_pcieep_cfg068_s cn52xx; - struct cvmx_pcieep_cfg068_s cn52xxp1; - struct cvmx_pcieep_cfg068_s cn56xx; - struct cvmx_pcieep_cfg068_s cn56xxp1; -}; - -union cvmx_pcieep_cfg069 { - uint32_t u32; - struct cvmx_pcieep_cfg069_s { - uint32_t reserved_14_31:18; - uint32_t anfem:1; - uint32_t rttm:1; - uint32_t reserved_9_11:3; - uint32_t rnrm:1; - uint32_t bdllpm:1; - uint32_t btlpm:1; - uint32_t reserved_1_5:5; - uint32_t rem:1; - } s; - struct cvmx_pcieep_cfg069_s cn52xx; - struct cvmx_pcieep_cfg069_s cn52xxp1; - struct cvmx_pcieep_cfg069_s cn56xx; - struct cvmx_pcieep_cfg069_s cn56xxp1; -}; - -union cvmx_pcieep_cfg070 { - uint32_t u32; - struct cvmx_pcieep_cfg070_s { - uint32_t reserved_9_31:23; - uint32_t ce:1; - uint32_t cc:1; - uint32_t ge:1; - uint32_t gc:1; - uint32_t fep:5; - } s; - struct cvmx_pcieep_cfg070_s cn52xx; - struct cvmx_pcieep_cfg070_s cn52xxp1; - struct cvmx_pcieep_cfg070_s cn56xx; - struct cvmx_pcieep_cfg070_s cn56xxp1; -}; - -union cvmx_pcieep_cfg071 { - uint32_t u32; - struct cvmx_pcieep_cfg071_s { - uint32_t dword1:32; - } s; - struct cvmx_pcieep_cfg071_s cn52xx; - struct cvmx_pcieep_cfg071_s cn52xxp1; - struct cvmx_pcieep_cfg071_s cn56xx; - struct cvmx_pcieep_cfg071_s cn56xxp1; -}; - -union cvmx_pcieep_cfg072 { - uint32_t u32; - struct cvmx_pcieep_cfg072_s { - uint32_t dword2:32; - } s; - struct cvmx_pcieep_cfg072_s cn52xx; - struct cvmx_pcieep_cfg072_s cn52xxp1; - struct cvmx_pcieep_cfg072_s cn56xx; - struct cvmx_pcieep_cfg072_s cn56xxp1; -}; - -union cvmx_pcieep_cfg073 { - uint32_t u32; - struct cvmx_pcieep_cfg073_s { - uint32_t dword3:32; - } s; - struct cvmx_pcieep_cfg073_s cn52xx; - struct cvmx_pcieep_cfg073_s cn52xxp1; - struct cvmx_pcieep_cfg073_s cn56xx; - struct cvmx_pcieep_cfg073_s cn56xxp1; -}; - -union cvmx_pcieep_cfg074 { - uint32_t u32; - struct cvmx_pcieep_cfg074_s { - uint32_t dword4:32; - } s; - struct cvmx_pcieep_cfg074_s cn52xx; - struct cvmx_pcieep_cfg074_s cn52xxp1; - struct cvmx_pcieep_cfg074_s cn56xx; - struct cvmx_pcieep_cfg074_s cn56xxp1; -}; - -union cvmx_pcieep_cfg448 { - uint32_t u32; - struct cvmx_pcieep_cfg448_s { - uint32_t rtl:16; - uint32_t rtltl:16; - } s; - struct cvmx_pcieep_cfg448_s cn52xx; - struct cvmx_pcieep_cfg448_s cn52xxp1; - struct cvmx_pcieep_cfg448_s cn56xx; - struct cvmx_pcieep_cfg448_s cn56xxp1; -}; - -union cvmx_pcieep_cfg449 { - uint32_t u32; - struct cvmx_pcieep_cfg449_s { - uint32_t omr:32; - } s; - struct cvmx_pcieep_cfg449_s cn52xx; - struct cvmx_pcieep_cfg449_s cn52xxp1; - struct cvmx_pcieep_cfg449_s cn56xx; - struct cvmx_pcieep_cfg449_s cn56xxp1; -}; - -union cvmx_pcieep_cfg450 { - uint32_t u32; - struct cvmx_pcieep_cfg450_s { - uint32_t lpec:8; - uint32_t reserved_22_23:2; - uint32_t link_state:6; - uint32_t force_link:1; - uint32_t reserved_8_14:7; - uint32_t link_num:8; - } s; - struct cvmx_pcieep_cfg450_s cn52xx; - struct cvmx_pcieep_cfg450_s cn52xxp1; - struct cvmx_pcieep_cfg450_s cn56xx; - struct cvmx_pcieep_cfg450_s cn56xxp1; -}; - -union cvmx_pcieep_cfg451 { - uint32_t u32; - struct cvmx_pcieep_cfg451_s { - uint32_t reserved_30_31:2; - uint32_t l1el:3; - uint32_t l0el:3; - uint32_t n_fts_cc:8; - uint32_t n_fts:8; - uint32_t ack_freq:8; - } s; - struct cvmx_pcieep_cfg451_s cn52xx; - struct cvmx_pcieep_cfg451_s cn52xxp1; - struct cvmx_pcieep_cfg451_s cn56xx; - struct cvmx_pcieep_cfg451_s cn56xxp1; -}; - -union cvmx_pcieep_cfg452 { - uint32_t u32; - struct cvmx_pcieep_cfg452_s { - uint32_t reserved_26_31:6; - uint32_t eccrc:1; - uint32_t reserved_22_24:3; - uint32_t lme:6; - uint32_t reserved_8_15:8; - uint32_t flm:1; - uint32_t reserved_6_6:1; - uint32_t dllle:1; - uint32_t reserved_4_4:1; - uint32_t ra:1; - uint32_t le:1; - uint32_t sd:1; - uint32_t omr:1; - } s; - struct cvmx_pcieep_cfg452_s cn52xx; - struct cvmx_pcieep_cfg452_s cn52xxp1; - struct cvmx_pcieep_cfg452_s cn56xx; - struct cvmx_pcieep_cfg452_s cn56xxp1; -}; - -union cvmx_pcieep_cfg453 { - uint32_t u32; - struct cvmx_pcieep_cfg453_s { - uint32_t dlld:1; - uint32_t reserved_26_30:5; - uint32_t ack_nak:1; - uint32_t fcd:1; - uint32_t ilst:24; - } s; - struct cvmx_pcieep_cfg453_s cn52xx; - struct cvmx_pcieep_cfg453_s cn52xxp1; - struct cvmx_pcieep_cfg453_s cn56xx; - struct cvmx_pcieep_cfg453_s cn56xxp1; -}; - -union cvmx_pcieep_cfg454 { - uint32_t u32; - struct cvmx_pcieep_cfg454_s { - uint32_t reserved_29_31:3; - uint32_t tmfcwt:5; - uint32_t tmanlt:5; - uint32_t tmrt:5; - uint32_t reserved_11_13:3; - uint32_t nskps:3; - uint32_t reserved_4_7:4; - uint32_t ntss:4; - } s; - struct cvmx_pcieep_cfg454_s cn52xx; - struct cvmx_pcieep_cfg454_s cn52xxp1; - struct cvmx_pcieep_cfg454_s cn56xx; - struct cvmx_pcieep_cfg454_s cn56xxp1; -}; - -union cvmx_pcieep_cfg455 { - uint32_t u32; - struct cvmx_pcieep_cfg455_s { - uint32_t m_cfg0_filt:1; - uint32_t m_io_filt:1; - uint32_t msg_ctrl:1; - uint32_t m_cpl_ecrc_filt:1; - uint32_t m_ecrc_filt:1; - uint32_t m_cpl_len_err:1; - uint32_t m_cpl_attr_err:1; - uint32_t m_cpl_tc_err:1; - uint32_t m_cpl_fun_err:1; - uint32_t m_cpl_rid_err:1; - uint32_t m_cpl_tag_err:1; - uint32_t m_lk_filt:1; - uint32_t m_cfg1_filt:1; - uint32_t m_bar_match:1; - uint32_t m_pois_filt:1; - uint32_t m_fun:1; - uint32_t dfcwt:1; - uint32_t reserved_11_14:4; - uint32_t skpiv:11; - } s; - struct cvmx_pcieep_cfg455_s cn52xx; - struct cvmx_pcieep_cfg455_s cn52xxp1; - struct cvmx_pcieep_cfg455_s cn56xx; - struct cvmx_pcieep_cfg455_s cn56xxp1; -}; - -union cvmx_pcieep_cfg456 { - uint32_t u32; - struct cvmx_pcieep_cfg456_s { - uint32_t reserved_2_31:30; - uint32_t m_vend1_drp:1; - uint32_t m_vend0_drp:1; - } s; - struct cvmx_pcieep_cfg456_s cn52xx; - struct cvmx_pcieep_cfg456_s cn52xxp1; - struct cvmx_pcieep_cfg456_s cn56xx; - struct cvmx_pcieep_cfg456_s cn56xxp1; -}; - -union cvmx_pcieep_cfg458 { - uint32_t u32; - struct cvmx_pcieep_cfg458_s { - uint32_t dbg_info_l32:32; - } s; - struct cvmx_pcieep_cfg458_s cn52xx; - struct cvmx_pcieep_cfg458_s cn52xxp1; - struct cvmx_pcieep_cfg458_s cn56xx; - struct cvmx_pcieep_cfg458_s cn56xxp1; -}; - -union cvmx_pcieep_cfg459 { - uint32_t u32; - struct cvmx_pcieep_cfg459_s { - uint32_t dbg_info_u32:32; - } s; - struct cvmx_pcieep_cfg459_s cn52xx; - struct cvmx_pcieep_cfg459_s cn52xxp1; - struct cvmx_pcieep_cfg459_s cn56xx; - struct cvmx_pcieep_cfg459_s cn56xxp1; -}; - -union cvmx_pcieep_cfg460 { - uint32_t u32; - struct cvmx_pcieep_cfg460_s { - uint32_t reserved_20_31:12; - uint32_t tphfcc:8; - uint32_t tpdfcc:12; - } s; - struct cvmx_pcieep_cfg460_s cn52xx; - struct cvmx_pcieep_cfg460_s cn52xxp1; - struct cvmx_pcieep_cfg460_s cn56xx; - struct cvmx_pcieep_cfg460_s cn56xxp1; -}; - -union cvmx_pcieep_cfg461 { - uint32_t u32; - struct cvmx_pcieep_cfg461_s { - uint32_t reserved_20_31:12; - uint32_t tchfcc:8; - uint32_t tcdfcc:12; - } s; - struct cvmx_pcieep_cfg461_s cn52xx; - struct cvmx_pcieep_cfg461_s cn52xxp1; - struct cvmx_pcieep_cfg461_s cn56xx; - struct cvmx_pcieep_cfg461_s cn56xxp1; -}; - -union cvmx_pcieep_cfg462 { - uint32_t u32; - struct cvmx_pcieep_cfg462_s { - uint32_t reserved_20_31:12; - uint32_t tchfcc:8; - uint32_t tcdfcc:12; - } s; - struct cvmx_pcieep_cfg462_s cn52xx; - struct cvmx_pcieep_cfg462_s cn52xxp1; - struct cvmx_pcieep_cfg462_s cn56xx; - struct cvmx_pcieep_cfg462_s cn56xxp1; -}; - -union cvmx_pcieep_cfg463 { - uint32_t u32; - struct cvmx_pcieep_cfg463_s { - uint32_t reserved_3_31:29; - uint32_t rqne:1; - uint32_t trbne:1; - uint32_t rtlpfccnr:1; - } s; - struct cvmx_pcieep_cfg463_s cn52xx; - struct cvmx_pcieep_cfg463_s cn52xxp1; - struct cvmx_pcieep_cfg463_s cn56xx; - struct cvmx_pcieep_cfg463_s cn56xxp1; -}; - -union cvmx_pcieep_cfg464 { - uint32_t u32; - struct cvmx_pcieep_cfg464_s { - uint32_t wrr_vc3:8; - uint32_t wrr_vc2:8; - uint32_t wrr_vc1:8; - uint32_t wrr_vc0:8; - } s; - struct cvmx_pcieep_cfg464_s cn52xx; - struct cvmx_pcieep_cfg464_s cn52xxp1; - struct cvmx_pcieep_cfg464_s cn56xx; - struct cvmx_pcieep_cfg464_s cn56xxp1; -}; - -union cvmx_pcieep_cfg465 { - uint32_t u32; - struct cvmx_pcieep_cfg465_s { - uint32_t wrr_vc7:8; - uint32_t wrr_vc6:8; - uint32_t wrr_vc5:8; - uint32_t wrr_vc4:8; - } s; - struct cvmx_pcieep_cfg465_s cn52xx; - struct cvmx_pcieep_cfg465_s cn52xxp1; - struct cvmx_pcieep_cfg465_s cn56xx; - struct cvmx_pcieep_cfg465_s cn56xxp1; -}; - -union cvmx_pcieep_cfg466 { - uint32_t u32; - struct cvmx_pcieep_cfg466_s { - uint32_t rx_queue_order:1; - uint32_t type_ordering:1; - uint32_t reserved_24_29:6; - uint32_t queue_mode:3; - uint32_t reserved_20_20:1; - uint32_t header_credits:8; - uint32_t data_credits:12; - } s; - struct cvmx_pcieep_cfg466_s cn52xx; - struct cvmx_pcieep_cfg466_s cn52xxp1; - struct cvmx_pcieep_cfg466_s cn56xx; - struct cvmx_pcieep_cfg466_s cn56xxp1; -}; - -union cvmx_pcieep_cfg467 { - uint32_t u32; - struct cvmx_pcieep_cfg467_s { - uint32_t reserved_24_31:8; - uint32_t queue_mode:3; - uint32_t reserved_20_20:1; - uint32_t header_credits:8; - uint32_t data_credits:12; - } s; - struct cvmx_pcieep_cfg467_s cn52xx; - struct cvmx_pcieep_cfg467_s cn52xxp1; - struct cvmx_pcieep_cfg467_s cn56xx; - struct cvmx_pcieep_cfg467_s cn56xxp1; -}; - -union cvmx_pcieep_cfg468 { - uint32_t u32; - struct cvmx_pcieep_cfg468_s { - uint32_t reserved_24_31:8; - uint32_t queue_mode:3; - uint32_t reserved_20_20:1; - uint32_t header_credits:8; - uint32_t data_credits:12; - } s; - struct cvmx_pcieep_cfg468_s cn52xx; - struct cvmx_pcieep_cfg468_s cn52xxp1; - struct cvmx_pcieep_cfg468_s cn56xx; - struct cvmx_pcieep_cfg468_s cn56xxp1; -}; - -union cvmx_pcieep_cfg490 { - uint32_t u32; - struct cvmx_pcieep_cfg490_s { - uint32_t reserved_26_31:6; - uint32_t header_depth:10; - uint32_t reserved_14_15:2; - uint32_t data_depth:14; - } s; - struct cvmx_pcieep_cfg490_s cn52xx; - struct cvmx_pcieep_cfg490_s cn52xxp1; - struct cvmx_pcieep_cfg490_s cn56xx; - struct cvmx_pcieep_cfg490_s cn56xxp1; -}; - -union cvmx_pcieep_cfg491 { - uint32_t u32; - struct cvmx_pcieep_cfg491_s { - uint32_t reserved_26_31:6; - uint32_t header_depth:10; - uint32_t reserved_14_15:2; - uint32_t data_depth:14; - } s; - struct cvmx_pcieep_cfg491_s cn52xx; - struct cvmx_pcieep_cfg491_s cn52xxp1; - struct cvmx_pcieep_cfg491_s cn56xx; - struct cvmx_pcieep_cfg491_s cn56xxp1; -}; - -union cvmx_pcieep_cfg492 { - uint32_t u32; - struct cvmx_pcieep_cfg492_s { - uint32_t reserved_26_31:6; - uint32_t header_depth:10; - uint32_t reserved_14_15:2; - uint32_t data_depth:14; - } s; - struct cvmx_pcieep_cfg492_s cn52xx; - struct cvmx_pcieep_cfg492_s cn52xxp1; - struct cvmx_pcieep_cfg492_s cn56xx; - struct cvmx_pcieep_cfg492_s cn56xxp1; -}; - -union cvmx_pcieep_cfg516 { - uint32_t u32; - struct cvmx_pcieep_cfg516_s { - uint32_t phy_stat:32; - } s; - struct cvmx_pcieep_cfg516_s cn52xx; - struct cvmx_pcieep_cfg516_s cn52xxp1; - struct cvmx_pcieep_cfg516_s cn56xx; - struct cvmx_pcieep_cfg516_s cn56xxp1; -}; - -union cvmx_pcieep_cfg517 { - uint32_t u32; - struct cvmx_pcieep_cfg517_s { - uint32_t phy_ctrl:32; - } s; - struct cvmx_pcieep_cfg517_s cn52xx; - struct cvmx_pcieep_cfg517_s cn52xxp1; - struct cvmx_pcieep_cfg517_s cn56xx; - struct cvmx_pcieep_cfg517_s cn56xxp1; -}; - -#endif diff --git a/arch/mips/include/asm/pci.h b/arch/mips/include/asm/pci.h index fcd4060f642..90bf3b3fce1 100644 --- a/arch/mips/include/asm/pci.h +++ b/arch/mips/include/asm/pci.h @@ -17,6 +17,7 @@ */ #include <linux/ioport.h> +#include <linux/of.h> /* * Each pci channel is a top-level PCI bus seem by CPU. A machine with @@ -26,6 +27,7 @@ struct pci_controller { struct pci_controller *next; struct pci_bus *bus; + struct device_node *of_node; struct pci_ops *pci_ops; struct resource *mem_resource; @@ -142,4 +144,8 @@ static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) extern char * (*pcibios_plat_setup)(char *str); +/* this function parses memory ranges from a device node */ +extern void __devinit pci_load_of_ranges(struct pci_controller *hose, + struct device_node *node); + #endif /* _ASM_PCI_H */ diff --git a/arch/mips/include/asm/posix_types.h b/arch/mips/include/asm/posix_types.h index e0308dcca13..fa03ec3fbf8 100644 --- a/arch/mips/include/asm/posix_types.h +++ b/arch/mips/include/asm/posix_types.h @@ -17,11 +17,6 @@ * assume GCC is being used. */ -#if (_MIPS_SZLONG == 64) -typedef unsigned int __kernel_nlink_t; -#define __kernel_nlink_t __kernel_nlink_t -#endif - typedef long __kernel_daddr_t; #define __kernel_daddr_t __kernel_daddr_t diff --git a/arch/mips/include/asm/prom.h b/arch/mips/include/asm/prom.h index 7a6e82ef449..7206d445bab 100644 --- a/arch/mips/include/asm/prom.h +++ b/arch/mips/include/asm/prom.h @@ -12,6 +12,9 @@ #define __ASM_PROM_H #ifdef CONFIG_OF +#include <linux/bug.h> +#include <linux/io.h> +#include <linux/types.h> #include <asm/bootinfo.h> extern int early_init_dt_scan_memory_arch(unsigned long node, @@ -21,6 +24,29 @@ extern int reserve_mem_mach(unsigned long addr, unsigned long size); extern void free_mem_mach(unsigned long addr, unsigned long size); extern void device_tree_init(void); + +static inline unsigned long pci_address_to_pio(phys_addr_t address) +{ + /* + * The ioport address can be directly used by inX() / outX() + */ + BUG_ON(address > IO_SPACE_LIMIT); + + return (unsigned long) address; +} +#define pci_address_to_pio pci_address_to_pio + +struct boot_param_header; + +extern void __dt_setup_arch(struct boot_param_header *bph); + +#define dt_setup_arch(sym) \ +({ \ + extern struct boot_param_header __dtb_##sym##_begin; \ + \ + __dt_setup_arch(&__dtb_##sym##_begin); \ +}) + #else /* CONFIG_OF */ static inline void device_tree_init(void) { } #endif /* CONFIG_OF */ diff --git a/arch/mips/include/asm/setup.h b/arch/mips/include/asm/setup.h index 6dce6d8d09a..2560b6b6a7d 100644 --- a/arch/mips/include/asm/setup.h +++ b/arch/mips/include/asm/setup.h @@ -14,7 +14,8 @@ extern void *set_vi_handler(int n, vi_handler_t addr); extern void *set_except_vector(int n, void *addr); extern unsigned long ebase; -extern void per_cpu_trap_init(void); +extern void per_cpu_trap_init(bool); +extern void cpu_cache_init(void); #endif /* __KERNEL__ */ diff --git a/arch/mips/include/asm/sparsemem.h b/arch/mips/include/asm/sparsemem.h index 7165333ad04..4461198361c 100644 --- a/arch/mips/include/asm/sparsemem.h +++ b/arch/mips/include/asm/sparsemem.h @@ -6,7 +6,11 @@ * SECTION_SIZE_BITS 2^N: how big each section will be * MAX_PHYSMEM_BITS 2^N: how much memory we can have in that space */ -#define SECTION_SIZE_BITS 28 +#if defined(CONFIG_HUGETLB_PAGE) && defined(CONFIG_PAGE_SIZE_64KB) +# define SECTION_SIZE_BITS 29 +#else +# define SECTION_SIZE_BITS 28 +#endif #define MAX_PHYSMEM_BITS 35 #endif /* CONFIG_SPARSEMEM */ diff --git a/arch/mips/include/asm/stat.h b/arch/mips/include/asm/stat.h index 6e00f751ab6..fe9a4c3ec5a 100644 --- a/arch/mips/include/asm/stat.h +++ b/arch/mips/include/asm/stat.h @@ -20,7 +20,7 @@ struct stat { long st_pad1[3]; /* Reserved for network id */ ino_t st_ino; mode_t st_mode; - nlink_t st_nlink; + __u32 st_nlink; uid_t st_uid; gid_t st_gid; unsigned st_rdev; @@ -55,7 +55,7 @@ struct stat64 { unsigned long long st_ino; mode_t st_mode; - nlink_t st_nlink; + __u32 st_nlink; uid_t st_uid; gid_t st_gid; @@ -96,7 +96,7 @@ struct stat { unsigned long st_ino; mode_t st_mode; - nlink_t st_nlink; + __u32 st_nlink; uid_t st_uid; gid_t st_gid; diff --git a/arch/mips/include/asm/termios.h b/arch/mips/include/asm/termios.h index 8f77f774a2a..abdd87aaf60 100644 --- a/arch/mips/include/asm/termios.h +++ b/arch/mips/include/asm/termios.h @@ -60,7 +60,7 @@ struct termio { }; #ifdef __KERNEL__ -#include <linux/module.h> +#include <asm/uaccess.h> /* * intr=^C quit=^\ erase=del kill=^U diff --git a/arch/mips/include/asm/traps.h b/arch/mips/include/asm/traps.h index ff74aec3561..420ca06b2f4 100644 --- a/arch/mips/include/asm/traps.h +++ b/arch/mips/include/asm/traps.h @@ -25,6 +25,7 @@ extern void (*board_nmi_handler_setup)(void); extern void (*board_ejtag_handler_setup)(void); extern void (*board_bind_eic_interrupt)(int irq, int regset); extern void (*board_ebase_setup)(void); +extern void (*board_cache_error_setup)(void); extern int register_nmi_notifier(struct notifier_block *nb); diff --git a/arch/mips/include/asm/uasm.h b/arch/mips/include/asm/uasm.h index 504d40aedfa..440a21dab57 100644 --- a/arch/mips/include/asm/uasm.h +++ b/arch/mips/include/asm/uasm.h @@ -11,7 +11,7 @@ #include <linux/types.h> #ifdef CONFIG_EXPORT_UASM -#include <linux/module.h> +#include <linux/export.h> #define __uasminit #define __uasminitdata #define UASM_EXPORT_SYMBOL(sym) EXPORT_SYMBOL(sym) diff --git a/arch/mips/jz4740/Makefile b/arch/mips/jz4740/Makefile index a9dff332125..e44abea9c20 100644 --- a/arch/mips/jz4740/Makefile +++ b/arch/mips/jz4740/Makefile @@ -16,5 +16,3 @@ obj-$(CONFIG_JZ4740_QI_LB60) += board-qi_lb60.o # PM support obj-$(CONFIG_PM) += pm.o - -ccflags-y := -Werror -Wall diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c index 5099201fb7b..6ae7ce4ac63 100644 --- a/arch/mips/kernel/cpu-probe.c +++ b/arch/mips/kernel/cpu-probe.c @@ -340,7 +340,7 @@ static inline void cpu_probe_legacy(struct cpuinfo_mips *c, unsigned int cpu) __cpu_name[cpu] = "R2000"; c->isa_level = MIPS_CPU_ISA_I; c->options = MIPS_CPU_TLB | MIPS_CPU_3K_CACHE | - MIPS_CPU_NOFPUEX; + MIPS_CPU_NOFPUEX; if (__cpu_has_fpu()) c->options |= MIPS_CPU_FPU; c->tlbsize = 64; @@ -361,7 +361,7 @@ static inline void cpu_probe_legacy(struct cpuinfo_mips *c, unsigned int cpu) } c->isa_level = MIPS_CPU_ISA_I; c->options = MIPS_CPU_TLB | MIPS_CPU_3K_CACHE | - MIPS_CPU_NOFPUEX; + MIPS_CPU_NOFPUEX; if (__cpu_has_fpu()) c->options |= MIPS_CPU_FPU; c->tlbsize = 64; @@ -387,8 +387,8 @@ static inline void cpu_probe_legacy(struct cpuinfo_mips *c, unsigned int cpu) c->isa_level = MIPS_CPU_ISA_III; c->options = R4K_OPTS | MIPS_CPU_FPU | MIPS_CPU_32FPR | - MIPS_CPU_WATCH | MIPS_CPU_VCE | - MIPS_CPU_LLSC; + MIPS_CPU_WATCH | MIPS_CPU_VCE | + MIPS_CPU_LLSC; c->tlbsize = 48; break; case PRID_IMP_VR41XX: @@ -434,7 +434,7 @@ static inline void cpu_probe_legacy(struct cpuinfo_mips *c, unsigned int cpu) __cpu_name[cpu] = "R4300"; c->isa_level = MIPS_CPU_ISA_III; c->options = R4K_OPTS | MIPS_CPU_FPU | MIPS_CPU_32FPR | - MIPS_CPU_LLSC; + MIPS_CPU_LLSC; c->tlbsize = 32; break; case PRID_IMP_R4600: @@ -446,7 +446,7 @@ static inline void cpu_probe_legacy(struct cpuinfo_mips *c, unsigned int cpu) c->tlbsize = 48; break; #if 0 - case PRID_IMP_R4650: + case PRID_IMP_R4650: /* * This processor doesn't have an MMU, so it's not * "real easy" to run Linux on it. It is left purely @@ -455,9 +455,9 @@ static inline void cpu_probe_legacy(struct cpuinfo_mips *c, unsigned int cpu) */ c->cputype = CPU_R4650; __cpu_name[cpu] = "R4650"; - c->isa_level = MIPS_CPU_ISA_III; + c->isa_level = MIPS_CPU_ISA_III; c->options = R4K_OPTS | MIPS_CPU_FPU | MIPS_CPU_LLSC; - c->tlbsize = 48; + c->tlbsize = 48; break; #endif case PRID_IMP_TX39: @@ -488,7 +488,7 @@ static inline void cpu_probe_legacy(struct cpuinfo_mips *c, unsigned int cpu) __cpu_name[cpu] = "R4700"; c->isa_level = MIPS_CPU_ISA_III; c->options = R4K_OPTS | MIPS_CPU_FPU | MIPS_CPU_32FPR | - MIPS_CPU_LLSC; + MIPS_CPU_LLSC; c->tlbsize = 48; break; case PRID_IMP_TX49: @@ -505,7 +505,7 @@ static inline void cpu_probe_legacy(struct cpuinfo_mips *c, unsigned int cpu) __cpu_name[cpu] = "R5000"; c->isa_level = MIPS_CPU_ISA_IV; c->options = R4K_OPTS | MIPS_CPU_FPU | MIPS_CPU_32FPR | - MIPS_CPU_LLSC; + MIPS_CPU_LLSC; c->tlbsize = 48; break; case PRID_IMP_R5432: @@ -513,7 +513,7 @@ static inline void cpu_probe_legacy(struct cpuinfo_mips *c, unsigned int cpu) __cpu_name[cpu] = "R5432"; c->isa_level = MIPS_CPU_ISA_IV; c->options = R4K_OPTS | MIPS_CPU_FPU | MIPS_CPU_32FPR | - MIPS_CPU_WATCH | MIPS_CPU_LLSC; + MIPS_CPU_WATCH | MIPS_CPU_LLSC; c->tlbsize = 48; break; case PRID_IMP_R5500: @@ -521,7 +521,7 @@ static inline void cpu_probe_legacy(struct cpuinfo_mips *c, unsigned int cpu) __cpu_name[cpu] = "R5500"; c->isa_level = MIPS_CPU_ISA_IV; c->options = R4K_OPTS | MIPS_CPU_FPU | MIPS_CPU_32FPR | - MIPS_CPU_WATCH | MIPS_CPU_LLSC; + MIPS_CPU_WATCH | MIPS_CPU_LLSC; c->tlbsize = 48; break; case PRID_IMP_NEVADA: @@ -529,7 +529,7 @@ static inline void cpu_probe_legacy(struct cpuinfo_mips *c, unsigned int cpu) __cpu_name[cpu] = "Nevada"; c->isa_level = MIPS_CPU_ISA_IV; c->options = R4K_OPTS | MIPS_CPU_FPU | MIPS_CPU_32FPR | - MIPS_CPU_DIVEC | MIPS_CPU_LLSC; + MIPS_CPU_DIVEC | MIPS_CPU_LLSC; c->tlbsize = 48; break; case PRID_IMP_R6000: @@ -537,7 +537,7 @@ static inline void cpu_probe_legacy(struct cpuinfo_mips *c, unsigned int cpu) __cpu_name[cpu] = "R6000"; c->isa_level = MIPS_CPU_ISA_II; c->options = MIPS_CPU_TLB | MIPS_CPU_FPU | - MIPS_CPU_LLSC; + MIPS_CPU_LLSC; c->tlbsize = 32; break; case PRID_IMP_R6000A: @@ -545,7 +545,7 @@ static inline void cpu_probe_legacy(struct cpuinfo_mips *c, unsigned int cpu) __cpu_name[cpu] = "R6000A"; c->isa_level = MIPS_CPU_ISA_II; c->options = MIPS_CPU_TLB | MIPS_CPU_FPU | - MIPS_CPU_LLSC; + MIPS_CPU_LLSC; c->tlbsize = 32; break; case PRID_IMP_RM7000: @@ -553,7 +553,7 @@ static inline void cpu_probe_legacy(struct cpuinfo_mips *c, unsigned int cpu) __cpu_name[cpu] = "RM7000"; c->isa_level = MIPS_CPU_ISA_IV; c->options = R4K_OPTS | MIPS_CPU_FPU | MIPS_CPU_32FPR | - MIPS_CPU_LLSC; + MIPS_CPU_LLSC; /* * Undocumented RM7000: Bit 29 in the info register of * the RM7000 v2.0 indicates if the TLB has 48 or 64 @@ -569,7 +569,7 @@ static inline void cpu_probe_legacy(struct cpuinfo_mips *c, unsigned int cpu) __cpu_name[cpu] = "RM9000"; c->isa_level = MIPS_CPU_ISA_IV; c->options = R4K_OPTS | MIPS_CPU_FPU | MIPS_CPU_32FPR | - MIPS_CPU_LLSC; + MIPS_CPU_LLSC; /* * Bit 29 in the info register of the RM9000 * indicates if the TLB has 48 or 64 entries. @@ -584,8 +584,8 @@ static inline void cpu_probe_legacy(struct cpuinfo_mips *c, unsigned int cpu) __cpu_name[cpu] = "RM8000"; c->isa_level = MIPS_CPU_ISA_IV; c->options = MIPS_CPU_TLB | MIPS_CPU_4KEX | - MIPS_CPU_FPU | MIPS_CPU_32FPR | - MIPS_CPU_LLSC; + MIPS_CPU_FPU | MIPS_CPU_32FPR | + MIPS_CPU_LLSC; c->tlbsize = 384; /* has weird TLB: 3-way x 128 */ break; case PRID_IMP_R10000: @@ -593,9 +593,9 @@ static inline void cpu_probe_legacy(struct cpuinfo_mips *c, unsigned int cpu) __cpu_name[cpu] = "R10000"; c->isa_level = MIPS_CPU_ISA_IV; c->options = MIPS_CPU_TLB | MIPS_CPU_4K_CACHE | MIPS_CPU_4KEX | - MIPS_CPU_FPU | MIPS_CPU_32FPR | + MIPS_CPU_FPU | MIPS_CPU_32FPR | MIPS_CPU_COUNTER | MIPS_CPU_WATCH | - MIPS_CPU_LLSC; + MIPS_CPU_LLSC; c->tlbsize = 64; break; case PRID_IMP_R12000: @@ -603,9 +603,9 @@ static inline void cpu_probe_legacy(struct cpuinfo_mips *c, unsigned int cpu) __cpu_name[cpu] = "R12000"; c->isa_level = MIPS_CPU_ISA_IV; c->options = MIPS_CPU_TLB | MIPS_CPU_4K_CACHE | MIPS_CPU_4KEX | - MIPS_CPU_FPU | MIPS_CPU_32FPR | + MIPS_CPU_FPU | MIPS_CPU_32FPR | MIPS_CPU_COUNTER | MIPS_CPU_WATCH | - MIPS_CPU_LLSC; + MIPS_CPU_LLSC; c->tlbsize = 64; break; case PRID_IMP_R14000: @@ -613,9 +613,9 @@ static inline void cpu_probe_legacy(struct cpuinfo_mips *c, unsigned int cpu) __cpu_name[cpu] = "R14000"; c->isa_level = MIPS_CPU_ISA_IV; c->options = MIPS_CPU_TLB | MIPS_CPU_4K_CACHE | MIPS_CPU_4KEX | - MIPS_CPU_FPU | MIPS_CPU_32FPR | + MIPS_CPU_FPU | MIPS_CPU_32FPR | MIPS_CPU_COUNTER | MIPS_CPU_WATCH | - MIPS_CPU_LLSC; + MIPS_CPU_LLSC; c->tlbsize = 64; break; case PRID_IMP_LOONGSON2: @@ -739,7 +739,7 @@ static inline unsigned int decode_config3(struct cpuinfo_mips *c) if (config3 & MIPS_CONF3_VEIC) c->options |= MIPS_CPU_VEIC; if (config3 & MIPS_CONF3_MT) - c->ases |= MIPS_ASE_MIPSMT; + c->ases |= MIPS_ASE_MIPSMT; if (config3 & MIPS_CONF3_ULRI) c->options |= MIPS_CPU_ULRI; @@ -767,7 +767,7 @@ static void __cpuinit decode_configs(struct cpuinfo_mips *c) /* MIPS32 or MIPS64 compliant CPU. */ c->options = MIPS_CPU_4KEX | MIPS_CPU_4K_CACHE | MIPS_CPU_COUNTER | - MIPS_CPU_DIVEC | MIPS_CPU_LLSC | MIPS_CPU_MCHECK; + MIPS_CPU_DIVEC | MIPS_CPU_LLSC | MIPS_CPU_MCHECK; c->scache.flags = MIPS_CACHE_NOT_PRESENT; diff --git a/arch/mips/kernel/perf_event_mipsxx.c b/arch/mips/kernel/perf_event_mipsxx.c index ab73fa2fb9b..f29099b104c 100644 --- a/arch/mips/kernel/perf_event_mipsxx.c +++ b/arch/mips/kernel/perf_event_mipsxx.c @@ -1532,7 +1532,8 @@ init_hw_perf_events(void) irq = MSC01E_INT_BASE + MSC01E_INT_PERFCTR; } else { #endif - if (cp0_perfcount_irq >= 0) + if ((cp0_perfcount_irq >= 0) && + (cp0_compare_irq != cp0_perfcount_irq)) irq = MIPS_CPU_IRQ_BASE + cp0_perfcount_irq; else irq = -1; diff --git a/arch/mips/kernel/proc.c b/arch/mips/kernel/proc.c index f8b2c592514..5542817c1b4 100644 --- a/arch/mips/kernel/proc.c +++ b/arch/mips/kernel/proc.c @@ -41,27 +41,27 @@ static int show_cpuinfo(struct seq_file *m, void *v) seq_printf(m, "processor\t\t: %ld\n", n); sprintf(fmt, "cpu model\t\t: %%s V%%d.%%d%s\n", - cpu_data[n].options & MIPS_CPU_FPU ? " FPU V%d.%d" : ""); + cpu_data[n].options & MIPS_CPU_FPU ? " FPU V%d.%d" : ""); seq_printf(m, fmt, __cpu_name[n], - (version >> 4) & 0x0f, version & 0x0f, - (fp_vers >> 4) & 0x0f, fp_vers & 0x0f); + (version >> 4) & 0x0f, version & 0x0f, + (fp_vers >> 4) & 0x0f, fp_vers & 0x0f); seq_printf(m, "BogoMIPS\t\t: %u.%02u\n", - cpu_data[n].udelay_val / (500000/HZ), - (cpu_data[n].udelay_val / (5000/HZ)) % 100); + cpu_data[n].udelay_val / (500000/HZ), + (cpu_data[n].udelay_val / (5000/HZ)) % 100); seq_printf(m, "wait instruction\t: %s\n", cpu_wait ? "yes" : "no"); seq_printf(m, "microsecond timers\t: %s\n", - cpu_has_counter ? "yes" : "no"); + cpu_has_counter ? "yes" : "no"); seq_printf(m, "tlb_entries\t\t: %d\n", cpu_data[n].tlbsize); seq_printf(m, "extra interrupt vector\t: %s\n", - cpu_has_divec ? "yes" : "no"); + cpu_has_divec ? "yes" : "no"); seq_printf(m, "hardware watchpoint\t: %s", - cpu_has_watch ? "yes, " : "no\n"); + cpu_has_watch ? "yes, " : "no\n"); if (cpu_has_watch) { seq_printf(m, "count: %d, address/irw mask: [", - cpu_data[n].watch_reg_count); + cpu_data[n].watch_reg_count); for (i = 0; i < cpu_data[n].watch_reg_count; i++) seq_printf(m, "%s0x%04x", i ? ", " : "" , - cpu_data[n].watch_reg_masks[i]); + cpu_data[n].watch_reg_masks[i]); seq_printf(m, "]\n"); } seq_printf(m, "ASEs implemented\t:%s%s%s%s%s%s\n", @@ -73,13 +73,13 @@ static int show_cpuinfo(struct seq_file *m, void *v) cpu_has_mipsmt ? " mt" : "" ); seq_printf(m, "shadow register sets\t: %d\n", - cpu_data[n].srsets); + cpu_data[n].srsets); seq_printf(m, "kscratch registers\t: %d\n", - hweight8(cpu_data[n].kscratch_mask)); + hweight8(cpu_data[n].kscratch_mask)); seq_printf(m, "core\t\t\t: %d\n", cpu_data[n].core); sprintf(fmt, "VCE%%c exceptions\t\t: %s\n", - cpu_has_vce ? "%u" : "not available"); + cpu_has_vce ? "%u" : "not available"); seq_printf(m, fmt, 'D', vced_count); seq_printf(m, fmt, 'I', vcei_count); seq_printf(m, "\n"); diff --git a/arch/mips/kernel/prom.c b/arch/mips/kernel/prom.c index 558b5395795..f11b2bbb826 100644 --- a/arch/mips/kernel/prom.c +++ b/arch/mips/kernel/prom.c @@ -95,3 +95,16 @@ void __init device_tree_init(void) /* free the space reserved for the dt blob */ free_mem_mach(base, size); } + +void __init __dt_setup_arch(struct boot_param_header *bph) +{ + if (be32_to_cpu(bph->magic) != OF_DT_HEADER) { + pr_err("DTB has bad magic, ignoring builtin OF DTB\n"); + + return; + } + + initial_boot_params = bph; + + early_init_devtree(initial_boot_params); +} diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c index c504b212f8f..a53f8ec37aa 100644 --- a/arch/mips/kernel/setup.c +++ b/arch/mips/kernel/setup.c @@ -605,6 +605,8 @@ void __init setup_arch(char **cmdline_p) resource_init(); plat_smp_setup(); + + cpu_cache_init(); } unsigned long kernelsp[NR_CPUS]; diff --git a/arch/mips/kernel/signal-common.h b/arch/mips/kernel/signal-common.h index 10263b40598..9c60d09e62a 100644 --- a/arch/mips/kernel/signal-common.h +++ b/arch/mips/kernel/signal-common.h @@ -19,8 +19,6 @@ # define DEBUGP(fmt, args...) #endif -#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) - /* * Determine which stack to use.. */ diff --git a/arch/mips/kernel/signal.c b/arch/mips/kernel/signal.c index 17f6ee30ad0..f2c09cfc60a 100644 --- a/arch/mips/kernel/signal.c +++ b/arch/mips/kernel/signal.c @@ -339,7 +339,6 @@ asmlinkage void sys_sigreturn(nabi_no_regargs struct pt_regs regs) if (__copy_from_user(&blocked, &frame->sf_mask, sizeof(blocked))) goto badframe; - sigdelsetmask(&blocked, ~_BLOCKABLE); set_current_blocked(&blocked); sig = restore_sigcontext(®s, &frame->sf_sc); @@ -375,7 +374,6 @@ asmlinkage void sys_rt_sigreturn(nabi_no_regargs struct pt_regs regs) if (__copy_from_user(&set, &frame->rs_uc.uc_sigmask, sizeof(set))) goto badframe; - sigdelsetmask(&set, ~_BLOCKABLE); set_current_blocked(&set); sig = restore_sigcontext(®s, &frame->rs_uc.uc_mcontext); @@ -514,9 +512,10 @@ struct mips_abi mips_abi = { .restart = __NR_restart_syscall }; -static int handle_signal(unsigned long sig, siginfo_t *info, - struct k_sigaction *ka, sigset_t *oldset, struct pt_regs *regs) +static void handle_signal(unsigned long sig, siginfo_t *info, + struct k_sigaction *ka, struct pt_regs *regs) { + sigset_t *oldset = sigmask_to_save(); int ret; struct mips_abi *abi = current->thread.abi; void *vdso = current->mm->context.vdso; @@ -550,17 +549,14 @@ static int handle_signal(unsigned long sig, siginfo_t *info, ka, regs, sig, oldset); if (ret) - return ret; - - block_sigmask(ka, sig); + return; - return ret; + signal_delivered(sig, info, ka, regs, 0); } static void do_signal(struct pt_regs *regs) { struct k_sigaction ka; - sigset_t *oldset; siginfo_t info; int signr; @@ -572,25 +568,10 @@ static void do_signal(struct pt_regs *regs) if (!user_mode(regs)) return; - if (test_thread_flag(TIF_RESTORE_SIGMASK)) - oldset = ¤t->saved_sigmask; - else - oldset = ¤t->blocked; - signr = get_signal_to_deliver(&info, &ka, regs, NULL); if (signr > 0) { /* Whee! Actually deliver the signal. */ - if (handle_signal(signr, &info, &ka, oldset, regs) == 0) { - /* - * A signal was successfully delivered; the saved - * sigmask will have been stored in the signal frame, - * and will be restored by sigreturn, so we can simply - * clear the TIF_RESTORE_SIGMASK flag. - */ - if (test_thread_flag(TIF_RESTORE_SIGMASK)) - clear_thread_flag(TIF_RESTORE_SIGMASK); - } - + handle_signal(signr, &info, &ka, regs); return; } @@ -614,10 +595,7 @@ static void do_signal(struct pt_regs *regs) * If there's no signal to deliver, we just put the saved sigmask * back */ - if (test_thread_flag(TIF_RESTORE_SIGMASK)) { - clear_thread_flag(TIF_RESTORE_SIGMASK); - sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); - } + restore_saved_sigmask(); } /* @@ -630,14 +608,12 @@ asmlinkage void do_notify_resume(struct pt_regs *regs, void *unused, local_irq_enable(); /* deal with pending signal delivery */ - if (thread_info_flags & (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK)) + if (thread_info_flags & _TIF_SIGPENDING) do_signal(regs); if (thread_info_flags & _TIF_NOTIFY_RESUME) { clear_thread_flag(TIF_NOTIFY_RESUME); tracehook_notify_resume(regs); - if (current->replacement_session_keyring) - key_replace_session_keyring(); } } diff --git a/arch/mips/kernel/signal32.c b/arch/mips/kernel/signal32.c index b4fe2eacbd5..da1b56a39ac 100644 --- a/arch/mips/kernel/signal32.c +++ b/arch/mips/kernel/signal32.c @@ -465,7 +465,6 @@ asmlinkage void sys32_sigreturn(nabi_no_regargs struct pt_regs regs) if (__copy_conv_sigset_from_user(&blocked, &frame->sf_mask)) goto badframe; - sigdelsetmask(&blocked, ~_BLOCKABLE); set_current_blocked(&blocked); sig = restore_sigcontext32(®s, &frame->sf_sc); @@ -503,7 +502,6 @@ asmlinkage void sys32_rt_sigreturn(nabi_no_regargs struct pt_regs regs) if (__copy_conv_sigset_from_user(&set, &frame->rs_uc.uc_sigmask)) goto badframe; - sigdelsetmask(&set, ~_BLOCKABLE); set_current_blocked(&set); sig = restore_sigcontext32(®s, &frame->rs_uc.uc_mcontext); diff --git a/arch/mips/kernel/signal_n32.c b/arch/mips/kernel/signal_n32.c index 63ffac9af7c..3574c145511 100644 --- a/arch/mips/kernel/signal_n32.c +++ b/arch/mips/kernel/signal_n32.c @@ -109,7 +109,6 @@ asmlinkage void sysn32_rt_sigreturn(nabi_no_regargs struct pt_regs regs) if (__copy_conv_sigset_from_user(&set, &frame->rs_uc.uc_sigmask)) goto badframe; - sigdelsetmask(&set, ~_BLOCKABLE); set_current_blocked(&set); sig = restore_sigcontext(®s, &frame->rs_uc.uc_mcontext); diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c index 71a95f55a64..48650c81804 100644 --- a/arch/mips/kernel/smp.c +++ b/arch/mips/kernel/smp.c @@ -106,7 +106,7 @@ asmlinkage __cpuinit void start_secondary(void) #endif /* CONFIG_MIPS_MT_SMTC */ cpu_probe(); cpu_report(); - per_cpu_trap_init(); + per_cpu_trap_init(false); mips_clockevent_init(); mp_ops->init_secondary(); diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c index cfdaaa4cffc..2d0c2a277f5 100644 --- a/arch/mips/kernel/traps.c +++ b/arch/mips/kernel/traps.c @@ -15,6 +15,7 @@ #include <linux/compiler.h> #include <linux/init.h> #include <linux/kernel.h> +#include <linux/module.h> #include <linux/mm.h> #include <linux/sched.h> #include <linux/smp.h> @@ -91,7 +92,7 @@ void (*board_nmi_handler_setup)(void); void (*board_ejtag_handler_setup)(void); void (*board_bind_eic_interrupt)(int irq, int regset); void (*board_ebase_setup)(void); - +void __cpuinitdata(*board_cache_error_setup)(void); static void show_raw_backtrace(unsigned long reg29) { @@ -1490,7 +1491,6 @@ void *set_vi_handler(int n, vi_handler_t addr) return set_vi_srs_handler(n, addr, 0); } -extern void cpu_cache_init(void); extern void tlb_init(void); extern void flush_tlb_handlers(void); @@ -1517,7 +1517,7 @@ static int __init ulri_disable(char *s) } __setup("noulri", ulri_disable); -void __cpuinit per_cpu_trap_init(void) +void __cpuinit per_cpu_trap_init(bool is_boot_cpu) { unsigned int cpu = smp_processor_id(); unsigned int status_set = ST0_CU0; @@ -1616,7 +1616,9 @@ void __cpuinit per_cpu_trap_init(void) #ifdef CONFIG_MIPS_MT_SMTC if (bootTC) { #endif /* CONFIG_MIPS_MT_SMTC */ - cpu_cache_init(); + /* Boot CPU's cache setup in setup_arch(). */ + if (!is_boot_cpu) + cpu_cache_init(); tlb_init(); #ifdef CONFIG_MIPS_MT_SMTC } else if (!secondaryTC) { @@ -1632,7 +1634,7 @@ void __cpuinit per_cpu_trap_init(void) } /* Install CPU exception handler */ -void __init set_handler(unsigned long offset, void *addr, unsigned long size) +void __cpuinit set_handler(unsigned long offset, void *addr, unsigned long size) { memcpy((void *)(ebase + offset), addr, size); local_flush_icache_range(ebase + offset, ebase + offset + size); @@ -1693,7 +1695,7 @@ void __init trap_init(void) if (board_ebase_setup) board_ebase_setup(); - per_cpu_trap_init(); + per_cpu_trap_init(true); /* * Copy the generic exception handlers to their final destination. @@ -1797,6 +1799,9 @@ void __init trap_init(void) set_except_vector(26, handle_dsp); + if (board_cache_error_setup) + board_cache_error_setup(); + if (cpu_has_vce) /* Special exception: R4[04]00 uses also the divec space. */ memcpy((void *)(ebase + 0x180), &except_vec3_r4000, 0x100); diff --git a/arch/mips/lantiq/Kconfig b/arch/mips/lantiq/Kconfig index 3fccf210451..20bdf40b3ef 100644 --- a/arch/mips/lantiq/Kconfig +++ b/arch/mips/lantiq/Kconfig @@ -16,8 +16,22 @@ config SOC_XWAY bool "XWAY" select SOC_TYPE_XWAY select HW_HAS_PCI + +config SOC_FALCON + bool "FALCON" + +endchoice + +choice + prompt "Devicetree" + +config DT_EASY50712 + bool "Easy50712" + depends on SOC_XWAY endchoice -source "arch/mips/lantiq/xway/Kconfig" +config PCI_LANTIQ + bool "PCI Support" + depends on SOC_XWAY && PCI endif diff --git a/arch/mips/lantiq/Makefile b/arch/mips/lantiq/Makefile index e5dae0e24b0..d6bdc579419 100644 --- a/arch/mips/lantiq/Makefile +++ b/arch/mips/lantiq/Makefile @@ -4,8 +4,11 @@ # under the terms of the GNU General Public License version 2 as published # by the Free Software Foundation. -obj-y := irq.o setup.o clk.o prom.o devices.o +obj-y := irq.o clk.o prom.o + +obj-y += dts/ obj-$(CONFIG_EARLY_PRINTK) += early_printk.o obj-$(CONFIG_SOC_TYPE_XWAY) += xway/ +obj-$(CONFIG_SOC_FALCON) += falcon/ diff --git a/arch/mips/lantiq/Platform b/arch/mips/lantiq/Platform index f3dff05722d..b3ec49838fd 100644 --- a/arch/mips/lantiq/Platform +++ b/arch/mips/lantiq/Platform @@ -6,3 +6,4 @@ platform-$(CONFIG_LANTIQ) += lantiq/ cflags-$(CONFIG_LANTIQ) += -I$(srctree)/arch/mips/include/asm/mach-lantiq load-$(CONFIG_LANTIQ) = 0xffffffff80002000 cflags-$(CONFIG_SOC_TYPE_XWAY) += -I$(srctree)/arch/mips/include/asm/mach-lantiq/xway +cflags-$(CONFIG_SOC_FALCON) += -I$(srctree)/arch/mips/include/asm/mach-lantiq/falcon diff --git a/arch/mips/lantiq/clk.c b/arch/mips/lantiq/clk.c index 412814fdd3e..d3bcc33f469 100644 --- a/arch/mips/lantiq/clk.c +++ b/arch/mips/lantiq/clk.c @@ -12,6 +12,7 @@ #include <linux/kernel.h> #include <linux/types.h> #include <linux/clk.h> +#include <linux/clkdev.h> #include <linux/err.h> #include <linux/list.h> @@ -22,44 +23,32 @@ #include <lantiq_soc.h> #include "clk.h" +#include "prom.h" -struct clk { - const char *name; - unsigned long rate; - unsigned long (*get_rate) (void); -}; +/* lantiq socs have 3 static clocks */ +static struct clk cpu_clk_generic[3]; -static struct clk *cpu_clk; -static int cpu_clk_cnt; +void clkdev_add_static(unsigned long cpu, unsigned long fpi, unsigned long io) +{ + cpu_clk_generic[0].rate = cpu; + cpu_clk_generic[1].rate = fpi; + cpu_clk_generic[2].rate = io; +} -/* lantiq socs have 3 static clocks */ -static struct clk cpu_clk_generic[] = { - { - .name = "cpu", - .get_rate = ltq_get_cpu_hz, - }, { - .name = "fpi", - .get_rate = ltq_get_fpi_hz, - }, { - .name = "io", - .get_rate = ltq_get_io_region_clock, - }, -}; - -static struct resource ltq_cgu_resource = { - .name = "cgu", - .start = LTQ_CGU_BASE_ADDR, - .end = LTQ_CGU_BASE_ADDR + LTQ_CGU_SIZE - 1, - .flags = IORESOURCE_MEM, -}; - -/* remapped clock register range */ -void __iomem *ltq_cgu_membase; - -void clk_init(void) +struct clk *clk_get_cpu(void) +{ + return &cpu_clk_generic[0]; +} + +struct clk *clk_get_fpi(void) +{ + return &cpu_clk_generic[1]; +} +EXPORT_SYMBOL_GPL(clk_get_fpi); + +struct clk *clk_get_io(void) { - cpu_clk = cpu_clk_generic; - cpu_clk_cnt = ARRAY_SIZE(cpu_clk_generic); + return &cpu_clk_generic[2]; } static inline int clk_good(struct clk *clk) @@ -82,38 +71,71 @@ unsigned long clk_get_rate(struct clk *clk) } EXPORT_SYMBOL(clk_get_rate); -struct clk *clk_get(struct device *dev, const char *id) +int clk_set_rate(struct clk *clk, unsigned long rate) { - int i; - - for (i = 0; i < cpu_clk_cnt; i++) - if (!strcmp(id, cpu_clk[i].name)) - return &cpu_clk[i]; - BUG(); - return ERR_PTR(-ENOENT); -} -EXPORT_SYMBOL(clk_get); - -void clk_put(struct clk *clk) -{ - /* not used */ + if (unlikely(!clk_good(clk))) + return 0; + if (clk->rates && *clk->rates) { + unsigned long *r = clk->rates; + + while (*r && (*r != rate)) + r++; + if (!*r) { + pr_err("clk %s.%s: trying to set invalid rate %ld\n", + clk->cl.dev_id, clk->cl.con_id, rate); + return -1; + } + } + clk->rate = rate; + return 0; } -EXPORT_SYMBOL(clk_put); +EXPORT_SYMBOL(clk_set_rate); int clk_enable(struct clk *clk) { - /* not used */ - return 0; + if (unlikely(!clk_good(clk))) + return -1; + + if (clk->enable) + return clk->enable(clk); + + return -1; } EXPORT_SYMBOL(clk_enable); void clk_disable(struct clk *clk) { - /* not used */ + if (unlikely(!clk_good(clk))) + return; + + if (clk->disable) + clk->disable(clk); } EXPORT_SYMBOL(clk_disable); -static inline u32 ltq_get_counter_resolution(void) +int clk_activate(struct clk *clk) +{ + if (unlikely(!clk_good(clk))) + return -1; + + if (clk->activate) + return clk->activate(clk); + + return -1; +} +EXPORT_SYMBOL(clk_activate); + +void clk_deactivate(struct clk *clk) +{ + if (unlikely(!clk_good(clk))) + return; + + if (clk->deactivate) + clk->deactivate(clk); +} +EXPORT_SYMBOL(clk_deactivate); + +static inline u32 get_counter_resolution(void) { u32 res; @@ -133,21 +155,11 @@ void __init plat_time_init(void) { struct clk *clk; - if (insert_resource(&iomem_resource, <q_cgu_resource) < 0) - panic("Failed to insert cgu memory"); + ltq_soc_init(); - if (request_mem_region(ltq_cgu_resource.start, - resource_size(<q_cgu_resource), "cgu") < 0) - panic("Failed to request cgu memory"); - - ltq_cgu_membase = ioremap_nocache(ltq_cgu_resource.start, - resource_size(<q_cgu_resource)); - if (!ltq_cgu_membase) { - pr_err("Failed to remap cgu memory\n"); - unreachable(); - } - clk = clk_get(0, "cpu"); - mips_hpt_frequency = clk_get_rate(clk) / ltq_get_counter_resolution(); + clk = clk_get_cpu(); + mips_hpt_frequency = clk_get_rate(clk) / get_counter_resolution(); write_c0_compare(read_c0_count()); + pr_info("CPU Clock: %ldMHz\n", clk_get_rate(clk) / 1000000); clk_put(clk); } diff --git a/arch/mips/lantiq/clk.h b/arch/mips/lantiq/clk.h index 3328925f2c3..fa670602b91 100644 --- a/arch/mips/lantiq/clk.h +++ b/arch/mips/lantiq/clk.h @@ -9,10 +9,70 @@ #ifndef _LTQ_CLK_H__ #define _LTQ_CLK_H__ -extern void clk_init(void); +#include <linux/clkdev.h> -extern unsigned long ltq_get_cpu_hz(void); -extern unsigned long ltq_get_fpi_hz(void); -extern unsigned long ltq_get_io_region_clock(void); +/* clock speeds */ +#define CLOCK_33M 33333333 +#define CLOCK_60M 60000000 +#define CLOCK_62_5M 62500000 +#define CLOCK_83M 83333333 +#define CLOCK_83_5M 83500000 +#define CLOCK_98_304M 98304000 +#define CLOCK_100M 100000000 +#define CLOCK_111M 111111111 +#define CLOCK_125M 125000000 +#define CLOCK_133M 133333333 +#define CLOCK_150M 150000000 +#define CLOCK_166M 166666666 +#define CLOCK_167M 166666667 +#define CLOCK_196_608M 196608000 +#define CLOCK_200M 200000000 +#define CLOCK_250M 250000000 +#define CLOCK_266M 266666666 +#define CLOCK_300M 300000000 +#define CLOCK_333M 333333333 +#define CLOCK_393M 393215332 +#define CLOCK_400M 400000000 +#define CLOCK_500M 500000000 +#define CLOCK_600M 600000000 + +/* clock out speeds */ +#define CLOCK_32_768K 32768 +#define CLOCK_1_536M 1536000 +#define CLOCK_2_5M 2500000 +#define CLOCK_12M 12000000 +#define CLOCK_24M 24000000 +#define CLOCK_25M 25000000 +#define CLOCK_30M 30000000 +#define CLOCK_40M 40000000 +#define CLOCK_48M 48000000 +#define CLOCK_50M 50000000 +#define CLOCK_60M 60000000 + +struct clk { + struct clk_lookup cl; + unsigned long rate; + unsigned long *rates; + unsigned int module; + unsigned int bits; + unsigned long (*get_rate) (void); + int (*enable) (struct clk *clk); + void (*disable) (struct clk *clk); + int (*activate) (struct clk *clk); + void (*deactivate) (struct clk *clk); + void (*reboot) (struct clk *clk); +}; + +extern void clkdev_add_static(unsigned long cpu, unsigned long fpi, + unsigned long io); + +extern unsigned long ltq_danube_cpu_hz(void); +extern unsigned long ltq_danube_fpi_hz(void); + +extern unsigned long ltq_ar9_cpu_hz(void); +extern unsigned long ltq_ar9_fpi_hz(void); + +extern unsigned long ltq_vr9_cpu_hz(void); +extern unsigned long ltq_vr9_fpi_hz(void); #endif diff --git a/arch/mips/lantiq/devices.c b/arch/mips/lantiq/devices.c deleted file mode 100644 index de1cb2bcd79..00000000000 --- a/arch/mips/lantiq/devices.c +++ /dev/null @@ -1,120 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published - * by the Free Software Foundation. - * - * Copyright (C) 2010 John Crispin <blogic@openwrt.org> - */ - -#include <linux/init.h> -#include <linux/export.h> -#include <linux/types.h> -#include <linux/string.h> -#include <linux/kernel.h> -#include <linux/reboot.h> -#include <linux/platform_device.h> -#include <linux/leds.h> -#include <linux/etherdevice.h> -#include <linux/time.h> -#include <linux/io.h> -#include <linux/gpio.h> - -#include <asm/bootinfo.h> -#include <asm/irq.h> - -#include <lantiq_soc.h> - -#include "devices.h" - -/* nor flash */ -static struct resource ltq_nor_resource = { - .name = "nor", - .start = LTQ_FLASH_START, - .end = LTQ_FLASH_START + LTQ_FLASH_MAX - 1, - .flags = IORESOURCE_MEM, -}; - -static struct platform_device ltq_nor = { - .name = "ltq_nor", - .resource = <q_nor_resource, - .num_resources = 1, -}; - -void __init ltq_register_nor(struct physmap_flash_data *data) -{ - ltq_nor.dev.platform_data = data; - platform_device_register(<q_nor); -} - -/* watchdog */ -static struct resource ltq_wdt_resource = { - .name = "watchdog", - .start = LTQ_WDT_BASE_ADDR, - .end = LTQ_WDT_BASE_ADDR + LTQ_WDT_SIZE - 1, - .flags = IORESOURCE_MEM, -}; - -void __init ltq_register_wdt(void) -{ - platform_device_register_simple("ltq_wdt", 0, <q_wdt_resource, 1); -} - -/* asc ports */ -static struct resource ltq_asc0_resources[] = { - { - .name = "asc0", - .start = LTQ_ASC0_BASE_ADDR, - .end = LTQ_ASC0_BASE_ADDR + LTQ_ASC_SIZE - 1, - .flags = IORESOURCE_MEM, - }, - IRQ_RES(tx, LTQ_ASC_TIR(0)), - IRQ_RES(rx, LTQ_ASC_RIR(0)), - IRQ_RES(err, LTQ_ASC_EIR(0)), -}; - -static struct resource ltq_asc1_resources[] = { - { - .name = "asc1", - .start = LTQ_ASC1_BASE_ADDR, - .end = LTQ_ASC1_BASE_ADDR + LTQ_ASC_SIZE - 1, - .flags = IORESOURCE_MEM, - }, - IRQ_RES(tx, LTQ_ASC_TIR(1)), - IRQ_RES(rx, LTQ_ASC_RIR(1)), - IRQ_RES(err, LTQ_ASC_EIR(1)), -}; - -void __init ltq_register_asc(int port) -{ - switch (port) { - case 0: - platform_device_register_simple("ltq_asc", 0, - ltq_asc0_resources, ARRAY_SIZE(ltq_asc0_resources)); - break; - case 1: - platform_device_register_simple("ltq_asc", 1, - ltq_asc1_resources, ARRAY_SIZE(ltq_asc1_resources)); - break; - default: - break; - } -} - -#ifdef CONFIG_PCI -/* pci */ -static struct platform_device ltq_pci = { - .name = "ltq_pci", - .num_resources = 0, -}; - -void __init ltq_register_pci(struct ltq_pci_data *data) -{ - ltq_pci.dev.platform_data = data; - platform_device_register(<q_pci); -} -#else -void __init ltq_register_pci(struct ltq_pci_data *data) -{ - pr_err("kernel is compiled without PCI support\n"); -} -#endif diff --git a/arch/mips/lantiq/devices.h b/arch/mips/lantiq/devices.h deleted file mode 100644 index 2947bb19a52..00000000000 --- a/arch/mips/lantiq/devices.h +++ /dev/null @@ -1,23 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published - * by the Free Software Foundation. - * - * Copyright (C) 2010 John Crispin <blogic@openwrt.org> - */ - -#ifndef _LTQ_DEVICES_H__ -#define _LTQ_DEVICES_H__ - -#include <lantiq_platform.h> -#include <linux/mtd/physmap.h> - -#define IRQ_RES(resname, irq) \ - {.name = #resname, .start = (irq), .flags = IORESOURCE_IRQ} - -extern void ltq_register_nor(struct physmap_flash_data *data); -extern void ltq_register_wdt(void); -extern void ltq_register_asc(int port); -extern void ltq_register_pci(struct ltq_pci_data *data); - -#endif diff --git a/arch/mips/lantiq/dts/Makefile b/arch/mips/lantiq/dts/Makefile new file mode 100644 index 00000000000..674fca45f72 --- /dev/null +++ b/arch/mips/lantiq/dts/Makefile @@ -0,0 +1,4 @@ +obj-$(CONFIG_DT_EASY50712) := easy50712.dtb.o + +$(obj)/%.dtb: $(obj)/%.dts + $(call if_changed,dtc) diff --git a/arch/mips/lantiq/dts/danube.dtsi b/arch/mips/lantiq/dts/danube.dtsi new file mode 100644 index 00000000000..3a4520f009c --- /dev/null +++ b/arch/mips/lantiq/dts/danube.dtsi @@ -0,0 +1,105 @@ +/ { + #address-cells = <1>; + #size-cells = <1>; + compatible = "lantiq,xway", "lantiq,danube"; + + cpus { + cpu@0 { + compatible = "mips,mips24Kc"; + }; + }; + + biu@1F800000 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "lantiq,biu", "simple-bus"; + reg = <0x1F800000 0x800000>; + ranges = <0x0 0x1F800000 0x7FFFFF>; + + icu0: icu@80200 { + #interrupt-cells = <1>; + interrupt-controller; + compatible = "lantiq,icu"; + reg = <0x80200 0x120>; + }; + + watchdog@803F0 { + compatible = "lantiq,wdt"; + reg = <0x803F0 0x10>; + }; + }; + + sram@1F000000 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "lantiq,sram"; + reg = <0x1F000000 0x800000>; + ranges = <0x0 0x1F000000 0x7FFFFF>; + + eiu0: eiu@101000 { + #interrupt-cells = <1>; + interrupt-controller; + interrupt-parent; + compatible = "lantiq,eiu-xway"; + reg = <0x101000 0x1000>; + }; + + pmu0: pmu@102000 { + compatible = "lantiq,pmu-xway"; + reg = <0x102000 0x1000>; + }; + + cgu0: cgu@103000 { + compatible = "lantiq,cgu-xway"; + reg = <0x103000 0x1000>; + #clock-cells = <1>; + }; + + rcu0: rcu@203000 { + compatible = "lantiq,rcu-xway"; + reg = <0x203000 0x1000>; + }; + }; + + fpi@10000000 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "lantiq,fpi", "simple-bus"; + ranges = <0x0 0x10000000 0xEEFFFFF>; + reg = <0x10000000 0xEF00000>; + + gptu@E100A00 { + compatible = "lantiq,gptu-xway"; + reg = <0xE100A00 0x100>; + }; + + serial@E100C00 { + compatible = "lantiq,asc"; + reg = <0xE100C00 0x400>; + interrupt-parent = <&icu0>; + interrupts = <112 113 114>; + }; + + dma0: dma@E104100 { + compatible = "lantiq,dma-xway"; + reg = <0xE104100 0x800>; + }; + + ebu0: ebu@E105300 { + compatible = "lantiq,ebu-xway"; + reg = <0xE105300 0x100>; + }; + + pci0: pci@E105400 { + #address-cells = <3>; + #size-cells = <2>; + #interrupt-cells = <1>; + compatible = "lantiq,pci-xway"; + bus-range = <0x0 0x0>; + ranges = <0x2000000 0 0x8000000 0x8000000 0 0x2000000 /* pci memory */ + 0x1000000 0 0x00000000 0xAE00000 0 0x200000>; /* io space */ + reg = <0x7000000 0x8000 /* config space */ + 0xE105400 0x400>; /* pci bridge */ + }; + }; +}; diff --git a/arch/mips/lantiq/dts/easy50712.dts b/arch/mips/lantiq/dts/easy50712.dts new file mode 100644 index 00000000000..68c17310bc8 --- /dev/null +++ b/arch/mips/lantiq/dts/easy50712.dts @@ -0,0 +1,113 @@ +/dts-v1/; + +/include/ "danube.dtsi" + +/ { + chosen { + bootargs = "console=ttyLTQ0,115200 init=/etc/preinit"; + }; + + memory@0 { + reg = <0x0 0x2000000>; + }; + + fpi@10000000 { + #address-cells = <1>; + #size-cells = <1>; + localbus@0 { + #address-cells = <2>; + #size-cells = <1>; + ranges = <0 0 0x0 0x3ffffff /* addrsel0 */ + 1 0 0x4000000 0x4000010>; /* addsel1 */ + compatible = "lantiq,localbus", "simple-bus"; + + nor-boot@0 { + compatible = "lantiq,nor"; + bank-width = <2>; + reg = <0 0x0 0x2000000>; + #address-cells = <1>; + #size-cells = <1>; + + partition@0 { + label = "uboot"; + reg = <0x00000 0x10000>; /* 64 KB */ + }; + + partition@10000 { + label = "uboot_env"; + reg = <0x10000 0x10000>; /* 64 KB */ + }; + + partition@20000 { + label = "linux"; + reg = <0x20000 0x3d0000>; + }; + + partition@400000 { + label = "rootfs"; + reg = <0x400000 0x400000>; + }; + }; + }; + + gpio: pinmux@E100B10 { + compatible = "lantiq,pinctrl-xway"; + pinctrl-names = "default"; + pinctrl-0 = <&state_default>; + + #gpio-cells = <2>; + gpio-controller; + reg = <0xE100B10 0xA0>; + + state_default: pinmux { + stp { + lantiq,groups = "stp"; + lantiq,function = "stp"; + }; + exin { + lantiq,groups = "exin1"; + lantiq,function = "exin"; + }; + pci { + lantiq,groups = "gnt1"; + lantiq,function = "pci"; + }; + conf_out { + lantiq,pins = "io4", "io5", "io6"; /* stp */ + lantiq,open-drain; + lantiq,pull = <0>; + }; + }; + }; + + etop@E180000 { + compatible = "lantiq,etop-xway"; + reg = <0xE180000 0x40000>; + interrupt-parent = <&icu0>; + interrupts = <73 78>; + phy-mode = "rmii"; + mac-address = [ 00 11 22 33 44 55 ]; + }; + + stp0: stp@E100BB0 { + #gpio-cells = <2>; + compatible = "lantiq,gpio-stp-xway"; + gpio-controller; + reg = <0xE100BB0 0x40>; + + lantiq,shadow = <0xfff>; + lantiq,groups = <0x3>; + }; + + pci@E105400 { + lantiq,bus-clock = <33333333>; + interrupt-map-mask = <0xf800 0x0 0x0 0x7>; + interrupt-map = < + 0x7000 0 0 1 &icu0 29 1 // slot 14, irq 29 + >; + gpios-reset = <&gpio 21 0>; + req-mask = <0x1>; /* GNT1 */ + }; + + }; +}; diff --git a/arch/mips/lantiq/early_printk.c b/arch/mips/lantiq/early_printk.c index 972e05f8763..9b28d0940ef 100644 --- a/arch/mips/lantiq/early_printk.c +++ b/arch/mips/lantiq/early_printk.c @@ -6,17 +6,16 @@ * Copyright (C) 2010 John Crispin <blogic@openwrt.org> */ -#include <linux/init.h> #include <linux/cpu.h> - -#include <lantiq.h> #include <lantiq_soc.h> -/* no ioremap possible at this early stage, lets use KSEG1 instead */ -#define LTQ_ASC_BASE KSEG1ADDR(LTQ_ASC1_BASE_ADDR) #define ASC_BUF 1024 -#define LTQ_ASC_FSTAT ((u32 *)(LTQ_ASC_BASE + 0x0048)) -#define LTQ_ASC_TBUF ((u32 *)(LTQ_ASC_BASE + 0x0020)) +#define LTQ_ASC_FSTAT ((u32 *)(LTQ_EARLY_ASC + 0x0048)) +#ifdef __BIG_ENDIAN +#define LTQ_ASC_TBUF ((u32 *)(LTQ_EARLY_ASC + 0x0020 + 3)) +#else +#define LTQ_ASC_TBUF ((u32 *)(LTQ_EARLY_ASC + 0x0020)) +#endif #define TXMASK 0x3F00 #define TXOFFSET 8 @@ -27,7 +26,7 @@ void prom_putchar(char c) local_irq_save(flags); do { } while ((ltq_r32(LTQ_ASC_FSTAT) & TXMASK) >> TXOFFSET); if (c == '\n') - ltq_w32('\r', LTQ_ASC_TBUF); - ltq_w32(c, LTQ_ASC_TBUF); + ltq_w8('\r', LTQ_ASC_TBUF); + ltq_w8(c, LTQ_ASC_TBUF); local_irq_restore(flags); } diff --git a/arch/mips/lantiq/falcon/Makefile b/arch/mips/lantiq/falcon/Makefile new file mode 100644 index 00000000000..ff220f97693 --- /dev/null +++ b/arch/mips/lantiq/falcon/Makefile @@ -0,0 +1 @@ +obj-y := prom.o reset.o sysctrl.o diff --git a/arch/mips/lantiq/falcon/prom.c b/arch/mips/lantiq/falcon/prom.c new file mode 100644 index 00000000000..c1d278f05a3 --- /dev/null +++ b/arch/mips/lantiq/falcon/prom.c @@ -0,0 +1,87 @@ +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation. + * + * Copyright (C) 2012 Thomas Langer <thomas.langer@lantiq.com> + * Copyright (C) 2012 John Crispin <blogic@openwrt.org> + */ + +#include <linux/kernel.h> +#include <asm/io.h> + +#include <lantiq_soc.h> + +#include "../prom.h" + +#define SOC_FALCON "Falcon" +#define SOC_FALCON_D "Falcon-D" +#define SOC_FALCON_V "Falcon-V" +#define SOC_FALCON_M "Falcon-M" + +#define COMP_FALCON "lantiq,falcon" + +#define PART_SHIFT 12 +#define PART_MASK 0x0FFFF000 +#define REV_SHIFT 28 +#define REV_MASK 0xF0000000 +#define SREV_SHIFT 22 +#define SREV_MASK 0x03C00000 +#define TYPE_SHIFT 26 +#define TYPE_MASK 0x3C000000 + +/* reset, nmi and ejtag exception vectors */ +#define BOOT_REG_BASE (KSEG1 | 0x1F200000) +#define BOOT_RVEC (BOOT_REG_BASE | 0x00) +#define BOOT_NVEC (BOOT_REG_BASE | 0x04) +#define BOOT_EVEC (BOOT_REG_BASE | 0x08) + +void __init ltq_soc_nmi_setup(void) +{ + extern void (*nmi_handler)(void); + + ltq_w32((unsigned long)&nmi_handler, (void *)BOOT_NVEC); +} + +void __init ltq_soc_ejtag_setup(void) +{ + extern void (*ejtag_debug_handler)(void); + + ltq_w32((unsigned long)&ejtag_debug_handler, (void *)BOOT_EVEC); +} + +void __init ltq_soc_detect(struct ltq_soc_info *i) +{ + u32 type; + i->partnum = (ltq_r32(FALCON_CHIPID) & PART_MASK) >> PART_SHIFT; + i->rev = (ltq_r32(FALCON_CHIPID) & REV_MASK) >> REV_SHIFT; + i->srev = ((ltq_r32(FALCON_CHIPCONF) & SREV_MASK) >> SREV_SHIFT); + i->compatible = COMP_FALCON; + i->type = SOC_TYPE_FALCON; + sprintf(i->rev_type, "%c%d%d", (i->srev & 0x4) ? ('B') : ('A'), + i->rev & 0x7, (i->srev & 0x3) + 1); + + switch (i->partnum) { + case SOC_ID_FALCON: + type = (ltq_r32(FALCON_CHIPTYPE) & TYPE_MASK) >> TYPE_SHIFT; + switch (type) { + case 0: + i->name = SOC_FALCON_D; + break; + case 1: + i->name = SOC_FALCON_V; + break; + case 2: + i->name = SOC_FALCON_M; + break; + default: + i->name = SOC_FALCON; + break; + } + break; + + default: + unreachable(); + break; + } +} diff --git a/arch/mips/lantiq/falcon/reset.c b/arch/mips/lantiq/falcon/reset.c new file mode 100644 index 00000000000..56824825342 --- /dev/null +++ b/arch/mips/lantiq/falcon/reset.c @@ -0,0 +1,90 @@ +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation. + * + * Copyright (C) 2012 Thomas Langer <thomas.langer@lantiq.com> + * Copyright (C) 2012 John Crispin <blogic@openwrt.org> + */ + +#include <linux/init.h> +#include <linux/io.h> +#include <linux/pm.h> +#include <asm/reboot.h> +#include <linux/export.h> + +#include <lantiq_soc.h> + +/* CPU0 Reset Source Register */ +#define SYS1_CPU0RS 0x0040 +/* reset cause mask */ +#define CPU0RS_MASK 0x0003 +/* CPU0 Boot Mode Register */ +#define SYS1_BM 0x00a0 +/* boot mode mask */ +#define BM_MASK 0x0005 + +/* allow platform code to find out what surce we booted from */ +unsigned char ltq_boot_select(void) +{ + return ltq_sys1_r32(SYS1_BM) & BM_MASK; +} + +/* allow the watchdog driver to find out what the boot reason was */ +int ltq_reset_cause(void) +{ + return ltq_sys1_r32(SYS1_CPU0RS) & CPU0RS_MASK; +} +EXPORT_SYMBOL_GPL(ltq_reset_cause); + +#define BOOT_REG_BASE (KSEG1 | 0x1F200000) +#define BOOT_PW1_REG (BOOT_REG_BASE | 0x20) +#define BOOT_PW2_REG (BOOT_REG_BASE | 0x24) +#define BOOT_PW1 0x4C545100 +#define BOOT_PW2 0x0051544C + +#define WDT_REG_BASE (KSEG1 | 0x1F8803F0) +#define WDT_PW1 0x00BE0000 +#define WDT_PW2 0x00DC0000 + +static void machine_restart(char *command) +{ + local_irq_disable(); + + /* reboot magic */ + ltq_w32(BOOT_PW1, (void *)BOOT_PW1_REG); /* 'LTQ\0' */ + ltq_w32(BOOT_PW2, (void *)BOOT_PW2_REG); /* '\0QTL' */ + ltq_w32(0, (void *)BOOT_REG_BASE); /* reset Bootreg RVEC */ + + /* watchdog magic */ + ltq_w32(WDT_PW1, (void *)WDT_REG_BASE); + ltq_w32(WDT_PW2 | + (0x3 << 26) | /* PWL */ + (0x2 << 24) | /* CLKDIV */ + (0x1 << 31) | /* enable */ + (1), /* reload */ + (void *)WDT_REG_BASE); + unreachable(); +} + +static void machine_halt(void) +{ + local_irq_disable(); + unreachable(); +} + +static void machine_power_off(void) +{ + local_irq_disable(); + unreachable(); +} + +static int __init mips_reboot_setup(void) +{ + _machine_restart = machine_restart; + _machine_halt = machine_halt; + pm_power_off = machine_power_off; + return 0; +} + +arch_initcall(mips_reboot_setup); diff --git a/arch/mips/lantiq/falcon/sysctrl.c b/arch/mips/lantiq/falcon/sysctrl.c new file mode 100644 index 00000000000..ba0123d13d4 --- /dev/null +++ b/arch/mips/lantiq/falcon/sysctrl.c @@ -0,0 +1,260 @@ +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation. + * + * Copyright (C) 2011 Thomas Langer <thomas.langer@lantiq.com> + * Copyright (C) 2011 John Crispin <blogic@openwrt.org> + */ + +#include <linux/ioport.h> +#include <linux/export.h> +#include <linux/clkdev.h> +#include <linux/of_address.h> +#include <asm/delay.h> + +#include <lantiq_soc.h> + +#include "../clk.h" + +/* infrastructure control register */ +#define SYS1_INFRAC 0x00bc +/* Configuration fuses for drivers and pll */ +#define STATUS_CONFIG 0x0040 + +/* GPE frequency selection */ +#define GPPC_OFFSET 24 +#define GPEFREQ_MASK 0x00000C0 +#define GPEFREQ_OFFSET 10 +/* Clock status register */ +#define SYSCTL_CLKS 0x0000 +/* Clock enable register */ +#define SYSCTL_CLKEN 0x0004 +/* Clock clear register */ +#define SYSCTL_CLKCLR 0x0008 +/* Activation Status Register */ +#define SYSCTL_ACTS 0x0020 +/* Activation Register */ +#define SYSCTL_ACT 0x0024 +/* Deactivation Register */ +#define SYSCTL_DEACT 0x0028 +/* reboot Register */ +#define SYSCTL_RBT 0x002c +/* CPU0 Clock Control Register */ +#define SYS1_CPU0CC 0x0040 +/* HRST_OUT_N Control Register */ +#define SYS1_HRSTOUTC 0x00c0 +/* clock divider bit */ +#define CPU0CC_CPUDIV 0x0001 + +/* Activation Status Register */ +#define ACTS_ASC1_ACT 0x00000800 +#define ACTS_I2C_ACT 0x00004000 +#define ACTS_P0 0x00010000 +#define ACTS_P1 0x00010000 +#define ACTS_P2 0x00020000 +#define ACTS_P3 0x00020000 +#define ACTS_P4 0x00040000 +#define ACTS_PADCTRL0 0x00100000 +#define ACTS_PADCTRL1 0x00100000 +#define ACTS_PADCTRL2 0x00200000 +#define ACTS_PADCTRL3 0x00200000 +#define ACTS_PADCTRL4 0x00400000 + +#define sysctl_w32(m, x, y) ltq_w32((x), sysctl_membase[m] + (y)) +#define sysctl_r32(m, x) ltq_r32(sysctl_membase[m] + (x)) +#define sysctl_w32_mask(m, clear, set, reg) \ + sysctl_w32(m, (sysctl_r32(m, reg) & ~(clear)) | (set), reg) + +#define status_w32(x, y) ltq_w32((x), status_membase + (y)) +#define status_r32(x) ltq_r32(status_membase + (x)) + +static void __iomem *sysctl_membase[3], *status_membase; +void __iomem *ltq_sys1_membase, *ltq_ebu_membase; + +void falcon_trigger_hrst(int level) +{ + sysctl_w32(SYSCTL_SYS1, level & 1, SYS1_HRSTOUTC); +} + +static inline void sysctl_wait(struct clk *clk, + unsigned int test, unsigned int reg) +{ + int err = 1000000; + + do {} while (--err && ((sysctl_r32(clk->module, reg) + & clk->bits) != test)); + if (!err) + pr_err("module de/activation failed %d %08X %08X %08X\n", + clk->module, clk->bits, test, + sysctl_r32(clk->module, reg) & clk->bits); +} + +static int sysctl_activate(struct clk *clk) +{ + sysctl_w32(clk->module, clk->bits, SYSCTL_CLKEN); + sysctl_w32(clk->module, clk->bits, SYSCTL_ACT); + sysctl_wait(clk, clk->bits, SYSCTL_ACTS); + return 0; +} + +static void sysctl_deactivate(struct clk *clk) +{ + sysctl_w32(clk->module, clk->bits, SYSCTL_CLKCLR); + sysctl_w32(clk->module, clk->bits, SYSCTL_DEACT); + sysctl_wait(clk, 0, SYSCTL_ACTS); +} + +static int sysctl_clken(struct clk *clk) +{ + sysctl_w32(clk->module, clk->bits, SYSCTL_CLKEN); + sysctl_wait(clk, clk->bits, SYSCTL_CLKS); + return 0; +} + +static void sysctl_clkdis(struct clk *clk) +{ + sysctl_w32(clk->module, clk->bits, SYSCTL_CLKCLR); + sysctl_wait(clk, 0, SYSCTL_CLKS); +} + +static void sysctl_reboot(struct clk *clk) +{ + unsigned int act; + unsigned int bits; + + act = sysctl_r32(clk->module, SYSCTL_ACT); + bits = ~act & clk->bits; + if (bits != 0) { + sysctl_w32(clk->module, bits, SYSCTL_CLKEN); + sysctl_w32(clk->module, bits, SYSCTL_ACT); + sysctl_wait(clk, bits, SYSCTL_ACTS); + } + sysctl_w32(clk->module, act & clk->bits, SYSCTL_RBT); + sysctl_wait(clk, clk->bits, SYSCTL_ACTS); +} + +/* enable the ONU core */ +static void falcon_gpe_enable(void) +{ + unsigned int freq; + unsigned int status; + + /* if if the clock is already enabled */ + status = sysctl_r32(SYSCTL_SYS1, SYS1_INFRAC); + if (status & (1 << (GPPC_OFFSET + 1))) + return; + + if (status_r32(STATUS_CONFIG) == 0) + freq = 1; /* use 625MHz on unfused chip */ + else + freq = (status_r32(STATUS_CONFIG) & + GPEFREQ_MASK) >> + GPEFREQ_OFFSET; + + /* apply new frequency */ + sysctl_w32_mask(SYSCTL_SYS1, 7 << (GPPC_OFFSET + 1), + freq << (GPPC_OFFSET + 2) , SYS1_INFRAC); + udelay(1); + + /* enable new frequency */ + sysctl_w32_mask(SYSCTL_SYS1, 0, 1 << (GPPC_OFFSET + 1), SYS1_INFRAC); + udelay(1); +} + +static inline void clkdev_add_sys(const char *dev, unsigned int module, + unsigned int bits) +{ + struct clk *clk = kzalloc(sizeof(struct clk), GFP_KERNEL); + + clk->cl.dev_id = dev; + clk->cl.con_id = NULL; + clk->cl.clk = clk; + clk->module = module; + clk->activate = sysctl_activate; + clk->deactivate = sysctl_deactivate; + clk->enable = sysctl_clken; + clk->disable = sysctl_clkdis; + clk->reboot = sysctl_reboot; + clkdev_add(&clk->cl); +} + +void __init ltq_soc_init(void) +{ + struct device_node *np_status = + of_find_compatible_node(NULL, NULL, "lantiq,status-falcon"); + struct device_node *np_ebu = + of_find_compatible_node(NULL, NULL, "lantiq,ebu-falcon"); + struct device_node *np_sys1 = + of_find_compatible_node(NULL, NULL, "lantiq,sys1-falcon"); + struct device_node *np_syseth = + of_find_compatible_node(NULL, NULL, "lantiq,syseth-falcon"); + struct device_node *np_sysgpe = + of_find_compatible_node(NULL, NULL, "lantiq,sysgpe-falcon"); + struct resource res_status, res_ebu, res_sys[3]; + int i; + + /* check if all the core register ranges are available */ + if (!np_status || !np_ebu || !np_sys1 || !np_syseth || !np_sysgpe) + panic("Failed to load core nodes from devicetree"); + + if (of_address_to_resource(np_status, 0, &res_status) || + of_address_to_resource(np_ebu, 0, &res_ebu) || + of_address_to_resource(np_sys1, 0, &res_sys[0]) || + of_address_to_resource(np_syseth, 0, &res_sys[1]) || + of_address_to_resource(np_sysgpe, 0, &res_sys[2])) + panic("Failed to get core resources"); + + if ((request_mem_region(res_status.start, resource_size(&res_status), + res_status.name) < 0) || + (request_mem_region(res_ebu.start, resource_size(&res_ebu), + res_ebu.name) < 0) || + (request_mem_region(res_sys[0].start, + resource_size(&res_sys[0]), + res_sys[0].name) < 0) || + (request_mem_region(res_sys[1].start, + resource_size(&res_sys[1]), + res_sys[1].name) < 0) || + (request_mem_region(res_sys[2].start, + resource_size(&res_sys[2]), + res_sys[2].name) < 0)) + pr_err("Failed to request core reources"); + + status_membase = ioremap_nocache(res_status.start, + resource_size(&res_status)); + ltq_ebu_membase = ioremap_nocache(res_ebu.start, + resource_size(&res_ebu)); + + if (!status_membase || !ltq_ebu_membase) + panic("Failed to remap core resources"); + + for (i = 0; i < 3; i++) { + sysctl_membase[i] = ioremap_nocache(res_sys[i].start, + resource_size(&res_sys[i])); + if (!sysctl_membase[i]) + panic("Failed to remap sysctrl resources"); + } + ltq_sys1_membase = sysctl_membase[0]; + + falcon_gpe_enable(); + + /* get our 3 static rates for cpu, fpi and io clocks */ + if (ltq_sys1_r32(SYS1_CPU0CC) & CPU0CC_CPUDIV) + clkdev_add_static(CLOCK_200M, CLOCK_100M, CLOCK_200M); + else + clkdev_add_static(CLOCK_400M, CLOCK_100M, CLOCK_200M); + + /* add our clock domains */ + clkdev_add_sys("1d810000.gpio", SYSCTL_SYSETH, ACTS_P0); + clkdev_add_sys("1d810100.gpio", SYSCTL_SYSETH, ACTS_P2); + clkdev_add_sys("1e800100.gpio", SYSCTL_SYS1, ACTS_P1); + clkdev_add_sys("1e800200.gpio", SYSCTL_SYS1, ACTS_P3); + clkdev_add_sys("1e800300.gpio", SYSCTL_SYS1, ACTS_P4); + clkdev_add_sys("1db01000.pad", SYSCTL_SYSETH, ACTS_PADCTRL0); + clkdev_add_sys("1db02000.pad", SYSCTL_SYSETH, ACTS_PADCTRL2); + clkdev_add_sys("1e800400.pad", SYSCTL_SYS1, ACTS_PADCTRL1); + clkdev_add_sys("1e800500.pad", SYSCTL_SYS1, ACTS_PADCTRL3); + clkdev_add_sys("1e800600.pad", SYSCTL_SYS1, ACTS_PADCTRL4); + clkdev_add_sys("1e100C00.serial", SYSCTL_SYS1, ACTS_ASC1_ACT); + clkdev_add_sys("1e200000.i2c", SYSCTL_SYS1, ACTS_I2C_ACT); +} diff --git a/arch/mips/lantiq/irq.c b/arch/mips/lantiq/irq.c index d673731c538..57c1a4e5140 100644 --- a/arch/mips/lantiq/irq.c +++ b/arch/mips/lantiq/irq.c @@ -9,6 +9,11 @@ #include <linux/interrupt.h> #include <linux/ioport.h> +#include <linux/sched.h> +#include <linux/irqdomain.h> +#include <linux/of_platform.h> +#include <linux/of_address.h> +#include <linux/of_irq.h> #include <asm/bootinfo.h> #include <asm/irq_cpu.h> @@ -16,7 +21,7 @@ #include <lantiq_soc.h> #include <irq.h> -/* register definitions */ +/* register definitions - internal irqs */ #define LTQ_ICU_IM0_ISR 0x0000 #define LTQ_ICU_IM0_IER 0x0008 #define LTQ_ICU_IM0_IOSR 0x0010 @@ -25,6 +30,7 @@ #define LTQ_ICU_IM1_ISR 0x0028 #define LTQ_ICU_OFFSET (LTQ_ICU_IM1_ISR - LTQ_ICU_IM0_ISR) +/* register definitions - external irqs */ #define LTQ_EIU_EXIN_C 0x0000 #define LTQ_EIU_EXIN_INIC 0x0004 #define LTQ_EIU_EXIN_INEN 0x000C @@ -37,10 +43,14 @@ #define LTQ_EIU_IR4 (INT_NUM_IM1_IRL0 + 1) #define LTQ_EIU_IR5 (INT_NUM_IM1_IRL0 + 2) #define LTQ_EIU_IR6 (INT_NUM_IM2_IRL0 + 30) - +#define XWAY_EXIN_COUNT 3 #define MAX_EIU 6 -/* irqs generated by device attached to the EBU need to be acked in +/* the performance counter */ +#define LTQ_PERF_IRQ (INT_NUM_IM4_IRL0 + 31) + +/* + * irqs generated by devices attached to the EBU need to be acked in * a special manner */ #define LTQ_ICU_EBU_IRQ 22 @@ -51,6 +61,17 @@ #define ltq_eiu_w32(x, y) ltq_w32((x), ltq_eiu_membase + (y)) #define ltq_eiu_r32(x) ltq_r32(ltq_eiu_membase + (x)) +/* our 2 ipi interrupts for VSMP */ +#define MIPS_CPU_IPI_RESCHED_IRQ 0 +#define MIPS_CPU_IPI_CALL_IRQ 1 + +/* we have a cascade of 8 irqs */ +#define MIPS_CPU_IRQ_CASCADE 8 + +#if defined(CONFIG_MIPS_MT_SMP) || defined(CONFIG_MIPS_MT_SMTC) +int gic_present; +#endif + static unsigned short ltq_eiu_irq[MAX_EIU] = { LTQ_EIU_IR0, LTQ_EIU_IR1, @@ -60,64 +81,51 @@ static unsigned short ltq_eiu_irq[MAX_EIU] = { LTQ_EIU_IR5, }; -static struct resource ltq_icu_resource = { - .name = "icu", - .start = LTQ_ICU_BASE_ADDR, - .end = LTQ_ICU_BASE_ADDR + LTQ_ICU_SIZE - 1, - .flags = IORESOURCE_MEM, -}; - -static struct resource ltq_eiu_resource = { - .name = "eiu", - .start = LTQ_EIU_BASE_ADDR, - .end = LTQ_EIU_BASE_ADDR + LTQ_ICU_SIZE - 1, - .flags = IORESOURCE_MEM, -}; - +static int exin_avail; static void __iomem *ltq_icu_membase; static void __iomem *ltq_eiu_membase; void ltq_disable_irq(struct irq_data *d) { u32 ier = LTQ_ICU_IM0_IER; - int irq_nr = d->irq - INT_NUM_IRQ0; + int offset = d->hwirq - MIPS_CPU_IRQ_CASCADE; - ier += LTQ_ICU_OFFSET * (irq_nr / INT_NUM_IM_OFFSET); - irq_nr %= INT_NUM_IM_OFFSET; - ltq_icu_w32(ltq_icu_r32(ier) & ~(1 << irq_nr), ier); + ier += LTQ_ICU_OFFSET * (offset / INT_NUM_IM_OFFSET); + offset %= INT_NUM_IM_OFFSET; + ltq_icu_w32(ltq_icu_r32(ier) & ~BIT(offset), ier); } void ltq_mask_and_ack_irq(struct irq_data *d) { u32 ier = LTQ_ICU_IM0_IER; u32 isr = LTQ_ICU_IM0_ISR; - int irq_nr = d->irq - INT_NUM_IRQ0; + int offset = d->hwirq - MIPS_CPU_IRQ_CASCADE; - ier += LTQ_ICU_OFFSET * (irq_nr / INT_NUM_IM_OFFSET); - isr += LTQ_ICU_OFFSET * (irq_nr / INT_NUM_IM_OFFSET); - irq_nr %= INT_NUM_IM_OFFSET; - ltq_icu_w32(ltq_icu_r32(ier) & ~(1 << irq_nr), ier); - ltq_icu_w32((1 << irq_nr), isr); + ier += LTQ_ICU_OFFSET * (offset / INT_NUM_IM_OFFSET); + isr += LTQ_ICU_OFFSET * (offset / INT_NUM_IM_OFFSET); + offset %= INT_NUM_IM_OFFSET; + ltq_icu_w32(ltq_icu_r32(ier) & ~BIT(offset), ier); + ltq_icu_w32(BIT(offset), isr); } static void ltq_ack_irq(struct irq_data *d) { u32 isr = LTQ_ICU_IM0_ISR; - int irq_nr = d->irq - INT_NUM_IRQ0; + int offset = d->hwirq - MIPS_CPU_IRQ_CASCADE; - isr += LTQ_ICU_OFFSET * (irq_nr / INT_NUM_IM_OFFSET); - irq_nr %= INT_NUM_IM_OFFSET; - ltq_icu_w32((1 << irq_nr), isr); + isr += LTQ_ICU_OFFSET * (offset / INT_NUM_IM_OFFSET); + offset %= INT_NUM_IM_OFFSET; + ltq_icu_w32(BIT(offset), isr); } void ltq_enable_irq(struct irq_data *d) { u32 ier = LTQ_ICU_IM0_IER; - int irq_nr = d->irq - INT_NUM_IRQ0; + int offset = d->hwirq - MIPS_CPU_IRQ_CASCADE; - ier += LTQ_ICU_OFFSET * (irq_nr / INT_NUM_IM_OFFSET); - irq_nr %= INT_NUM_IM_OFFSET; - ltq_icu_w32(ltq_icu_r32(ier) | (1 << irq_nr), ier); + ier += LTQ_ICU_OFFSET * (offset / INT_NUM_IM_OFFSET); + offset %= INT_NUM_IM_OFFSET; + ltq_icu_w32(ltq_icu_r32(ier) | BIT(offset), ier); } static unsigned int ltq_startup_eiu_irq(struct irq_data *d) @@ -126,15 +134,15 @@ static unsigned int ltq_startup_eiu_irq(struct irq_data *d) ltq_enable_irq(d); for (i = 0; i < MAX_EIU; i++) { - if (d->irq == ltq_eiu_irq[i]) { + if (d->hwirq == ltq_eiu_irq[i]) { /* low level - we should really handle set_type */ ltq_eiu_w32(ltq_eiu_r32(LTQ_EIU_EXIN_C) | (0x6 << (i * 4)), LTQ_EIU_EXIN_C); /* clear all pending */ - ltq_eiu_w32(ltq_eiu_r32(LTQ_EIU_EXIN_INIC) & ~(1 << i), + ltq_eiu_w32(ltq_eiu_r32(LTQ_EIU_EXIN_INIC) & ~BIT(i), LTQ_EIU_EXIN_INIC); /* enable */ - ltq_eiu_w32(ltq_eiu_r32(LTQ_EIU_EXIN_INEN) | (1 << i), + ltq_eiu_w32(ltq_eiu_r32(LTQ_EIU_EXIN_INEN) | BIT(i), LTQ_EIU_EXIN_INEN); break; } @@ -149,9 +157,9 @@ static void ltq_shutdown_eiu_irq(struct irq_data *d) ltq_disable_irq(d); for (i = 0; i < MAX_EIU; i++) { - if (d->irq == ltq_eiu_irq[i]) { + if (d->hwirq == ltq_eiu_irq[i]) { /* disable */ - ltq_eiu_w32(ltq_eiu_r32(LTQ_EIU_EXIN_INEN) & ~(1 << i), + ltq_eiu_w32(ltq_eiu_r32(LTQ_EIU_EXIN_INEN) & ~BIT(i), LTQ_EIU_EXIN_INEN); break; } @@ -188,14 +196,15 @@ static void ltq_hw_irqdispatch(int module) if (irq == 0) return; - /* silicon bug causes only the msb set to 1 to be valid. all + /* + * silicon bug causes only the msb set to 1 to be valid. all * other bits might be bogus */ irq = __fls(irq); - do_IRQ((int)irq + INT_NUM_IM0_IRL0 + (INT_NUM_IM_OFFSET * module)); + do_IRQ((int)irq + MIPS_CPU_IRQ_CASCADE + (INT_NUM_IM_OFFSET * module)); /* if this is a EBU irq, we need to ack it or get a deadlock */ - if ((irq == LTQ_ICU_EBU_IRQ) && (module == 0)) + if ((irq == LTQ_ICU_EBU_IRQ) && (module == 0) && LTQ_EBU_PCC_ISTAT) ltq_ebu_w32(ltq_ebu_r32(LTQ_EBU_PCC_ISTAT) | 0x10, LTQ_EBU_PCC_ISTAT); } @@ -216,6 +225,47 @@ static void ltq_hw5_irqdispatch(void) do_IRQ(MIPS_CPU_TIMER_IRQ); } +#ifdef CONFIG_MIPS_MT_SMP +void __init arch_init_ipiirq(int irq, struct irqaction *action) +{ + setup_irq(irq, action); + irq_set_handler(irq, handle_percpu_irq); +} + +static void ltq_sw0_irqdispatch(void) +{ + do_IRQ(MIPS_CPU_IRQ_BASE + MIPS_CPU_IPI_RESCHED_IRQ); +} + +static void ltq_sw1_irqdispatch(void) +{ + do_IRQ(MIPS_CPU_IRQ_BASE + MIPS_CPU_IPI_CALL_IRQ); +} +static irqreturn_t ipi_resched_interrupt(int irq, void *dev_id) +{ + scheduler_ipi(); + return IRQ_HANDLED; +} + +static irqreturn_t ipi_call_interrupt(int irq, void *dev_id) +{ + smp_call_function_interrupt(); + return IRQ_HANDLED; +} + +static struct irqaction irq_resched = { + .handler = ipi_resched_interrupt, + .flags = IRQF_PERCPU, + .name = "IPI_resched" +}; + +static struct irqaction irq_call = { + .handler = ipi_call_interrupt, + .flags = IRQF_PERCPU, + .name = "IPI_call" +}; +#endif + asmlinkage void plat_irq_dispatch(void) { unsigned int pending = read_c0_status() & read_c0_cause() & ST0_IM; @@ -238,45 +288,75 @@ out: return; } +static int icu_map(struct irq_domain *d, unsigned int irq, irq_hw_number_t hw) +{ + struct irq_chip *chip = <q_irq_type; + int i; + + for (i = 0; i < exin_avail; i++) + if (hw == ltq_eiu_irq[i]) + chip = <q_eiu_type; + + irq_set_chip_and_handler(hw, chip, handle_level_irq); + + return 0; +} + +static const struct irq_domain_ops irq_domain_ops = { + .xlate = irq_domain_xlate_onetwocell, + .map = icu_map, +}; + static struct irqaction cascade = { .handler = no_action, .name = "cascade", }; -void __init arch_init_irq(void) +int __init icu_of_init(struct device_node *node, struct device_node *parent) { + struct device_node *eiu_node; + struct resource res; int i; - if (insert_resource(&iomem_resource, <q_icu_resource) < 0) - panic("Failed to insert icu memory"); + if (of_address_to_resource(node, 0, &res)) + panic("Failed to get icu memory range"); - if (request_mem_region(ltq_icu_resource.start, - resource_size(<q_icu_resource), "icu") < 0) - panic("Failed to request icu memory"); + if (request_mem_region(res.start, resource_size(&res), res.name) < 0) + pr_err("Failed to request icu memory"); - ltq_icu_membase = ioremap_nocache(ltq_icu_resource.start, - resource_size(<q_icu_resource)); + ltq_icu_membase = ioremap_nocache(res.start, resource_size(&res)); if (!ltq_icu_membase) panic("Failed to remap icu memory"); - if (insert_resource(&iomem_resource, <q_eiu_resource) < 0) - panic("Failed to insert eiu memory"); - - if (request_mem_region(ltq_eiu_resource.start, - resource_size(<q_eiu_resource), "eiu") < 0) - panic("Failed to request eiu memory"); - - ltq_eiu_membase = ioremap_nocache(ltq_eiu_resource.start, - resource_size(<q_eiu_resource)); - if (!ltq_eiu_membase) - panic("Failed to remap eiu memory"); + /* the external interrupts are optional and xway only */ + eiu_node = of_find_compatible_node(NULL, NULL, "lantiq,eiu"); + if (eiu_node && of_address_to_resource(eiu_node, 0, &res)) { + /* find out how many external irq sources we have */ + const __be32 *count = of_get_property(node, + "lantiq,count", NULL); + + if (count) + exin_avail = *count; + if (exin_avail > MAX_EIU) + exin_avail = MAX_EIU; + + if (request_mem_region(res.start, resource_size(&res), + res.name) < 0) + pr_err("Failed to request eiu memory"); + + ltq_eiu_membase = ioremap_nocache(res.start, + resource_size(&res)); + if (!ltq_eiu_membase) + panic("Failed to remap eiu memory"); + } - /* make sure all irqs are turned off by default */ - for (i = 0; i < 5; i++) + /* turn off all irqs by default */ + for (i = 0; i < 5; i++) { + /* make sure all irqs are turned off by default */ ltq_icu_w32(0, LTQ_ICU_IM0_IER + (i * LTQ_ICU_OFFSET)); - - /* clear all possibly pending interrupts */ - ltq_icu_w32(~0, LTQ_ICU_IM0_ISR + (i * LTQ_ICU_OFFSET)); + /* clear all possibly pending interrupts */ + ltq_icu_w32(~0, LTQ_ICU_IM0_ISR + (i * LTQ_ICU_OFFSET)); + } mips_cpu_irq_init(); @@ -293,20 +373,19 @@ void __init arch_init_irq(void) set_vi_handler(7, ltq_hw5_irqdispatch); } - for (i = INT_NUM_IRQ0; - i <= (INT_NUM_IRQ0 + (5 * INT_NUM_IM_OFFSET)); i++) - if ((i == LTQ_EIU_IR0) || (i == LTQ_EIU_IR1) || - (i == LTQ_EIU_IR2)) - irq_set_chip_and_handler(i, <q_eiu_type, - handle_level_irq); - /* EIU3-5 only exist on ar9 and vr9 */ - else if (((i == LTQ_EIU_IR3) || (i == LTQ_EIU_IR4) || - (i == LTQ_EIU_IR5)) && (ltq_is_ar9() || ltq_is_vr9())) - irq_set_chip_and_handler(i, <q_eiu_type, - handle_level_irq); - else - irq_set_chip_and_handler(i, <q_irq_type, - handle_level_irq); + irq_domain_add_linear(node, 6 * INT_NUM_IM_OFFSET, + &irq_domain_ops, 0); + +#if defined(CONFIG_MIPS_MT_SMP) + if (cpu_has_vint) { + pr_info("Setting up IPI vectored interrupts\n"); + set_vi_handler(MIPS_CPU_IPI_RESCHED_IRQ, ltq_sw0_irqdispatch); + set_vi_handler(MIPS_CPU_IPI_CALL_IRQ, ltq_sw1_irqdispatch); + } + arch_init_ipiirq(MIPS_CPU_IRQ_BASE + MIPS_CPU_IPI_RESCHED_IRQ, + &irq_resched); + arch_init_ipiirq(MIPS_CPU_IRQ_BASE + MIPS_CPU_IPI_CALL_IRQ, &irq_call); +#endif #if !defined(CONFIG_MIPS_MT_SMP) && !defined(CONFIG_MIPS_MT_SMTC) set_c0_status(IE_IRQ0 | IE_IRQ1 | IE_IRQ2 | @@ -315,9 +394,23 @@ void __init arch_init_irq(void) set_c0_status(IE_SW0 | IE_SW1 | IE_IRQ0 | IE_IRQ1 | IE_IRQ2 | IE_IRQ3 | IE_IRQ4 | IE_IRQ5); #endif + + /* tell oprofile which irq to use */ + cp0_perfcount_irq = LTQ_PERF_IRQ; + return 0; } unsigned int __cpuinit get_c0_compare_int(void) { return CP0_LEGACY_COMPARE_IRQ; } + +static struct of_device_id __initdata of_irq_ids[] = { + { .compatible = "lantiq,icu", .data = icu_of_init }, + {}, +}; + +void __init arch_init_irq(void) +{ + of_irq_init(of_irq_ids); +} diff --git a/arch/mips/lantiq/machtypes.h b/arch/mips/lantiq/machtypes.h deleted file mode 100644 index 7e01b8c484e..00000000000 --- a/arch/mips/lantiq/machtypes.h +++ /dev/null @@ -1,20 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published - * by the Free Software Foundation. - * - * Copyright (C) 2010 John Crispin <blogic@openwrt.org> - */ - -#ifndef _LANTIQ_MACH_H__ -#define _LANTIQ_MACH_H__ - -#include <asm/mips_machine.h> - -enum lantiq_mach_type { - LTQ_MACH_GENERIC = 0, - LTQ_MACH_EASY50712, /* Danube evaluation board */ - LTQ_MACH_EASY50601, /* Amazon SE evaluation board */ -}; - -#endif diff --git a/arch/mips/lantiq/prom.c b/arch/mips/lantiq/prom.c index e34fcfd0d5c..d185e8477fd 100644 --- a/arch/mips/lantiq/prom.c +++ b/arch/mips/lantiq/prom.c @@ -8,6 +8,7 @@ #include <linux/export.h> #include <linux/clk.h> +#include <linux/of_platform.h> #include <asm/bootinfo.h> #include <asm/time.h> @@ -16,19 +17,15 @@ #include "prom.h" #include "clk.h" -static struct ltq_soc_info soc_info; - -unsigned int ltq_get_cpu_ver(void) -{ - return soc_info.rev; -} -EXPORT_SYMBOL(ltq_get_cpu_ver); +/* access to the ebu needs to be locked between different drivers */ +DEFINE_SPINLOCK(ebu_lock); +EXPORT_SYMBOL_GPL(ebu_lock); -unsigned int ltq_get_soc_type(void) -{ - return soc_info.type; -} -EXPORT_SYMBOL(ltq_get_soc_type); +/* + * this struct is filled by the soc specific detection code and holds + * information about the specific soc type, revision and name + */ +static struct ltq_soc_info soc_info; const char *get_system_type(void) { @@ -45,27 +42,62 @@ static void __init prom_init_cmdline(void) char **argv = (char **) KSEG1ADDR(fw_arg1); int i; + arcs_cmdline[0] = '\0'; + for (i = 0; i < argc; i++) { - char *p = (char *) KSEG1ADDR(argv[i]); + char *p = (char *) KSEG1ADDR(argv[i]); - if (p && *p) { + if (CPHYSADDR(p) && *p) { strlcat(arcs_cmdline, p, sizeof(arcs_cmdline)); strlcat(arcs_cmdline, " ", sizeof(arcs_cmdline)); } } } -void __init prom_init(void) +void __init plat_mem_setup(void) { - struct clk *clk; + ioport_resource.start = IOPORT_RESOURCE_START; + ioport_resource.end = IOPORT_RESOURCE_END; + iomem_resource.start = IOMEM_RESOURCE_START; + iomem_resource.end = IOMEM_RESOURCE_END; + + set_io_port_base((unsigned long) KSEG1); + /* + * Load the builtin devicetree. This causes the chosen node to be + * parsed resulting in our memory appearing + */ + __dt_setup_arch(&__dtb_start); +} + +void __init prom_init(void) +{ + /* call the soc specific detetcion code and get it to fill soc_info */ ltq_soc_detect(&soc_info); - clk_init(); - clk = clk_get(0, "cpu"); - snprintf(soc_info.sys_type, LTQ_SYS_TYPE_LEN - 1, "%s rev1.%d", - soc_info.name, soc_info.rev); - clk_put(clk); + snprintf(soc_info.sys_type, LTQ_SYS_TYPE_LEN - 1, "%s rev %s", + soc_info.name, soc_info.rev_type); soc_info.sys_type[LTQ_SYS_TYPE_LEN - 1] = '\0'; pr_info("SoC: %s\n", soc_info.sys_type); prom_init_cmdline(); + +#if defined(CONFIG_MIPS_MT_SMP) + if (register_vsmp_smp_ops()) + panic("failed to register_vsmp_smp_ops()"); +#endif } + +int __init plat_of_setup(void) +{ + static struct of_device_id of_ids[3]; + + if (!of_have_populated_dt()) + panic("device tree not present"); + + strncpy(of_ids[0].compatible, soc_info.compatible, + sizeof(of_ids[0].compatible)); + strncpy(of_ids[1].compatible, "simple-bus", + sizeof(of_ids[1].compatible)); + return of_platform_bus_probe(NULL, of_ids, NULL); +} + +arch_initcall(plat_of_setup); diff --git a/arch/mips/lantiq/prom.h b/arch/mips/lantiq/prom.h index b4229d94280..a3fa1a2bfaa 100644 --- a/arch/mips/lantiq/prom.h +++ b/arch/mips/lantiq/prom.h @@ -10,16 +10,22 @@ #define _LTQ_PROM_H__ #define LTQ_SYS_TYPE_LEN 0x100 +#define LTQ_SYS_REV_LEN 0x10 struct ltq_soc_info { unsigned char *name; unsigned int rev; + unsigned char rev_type[LTQ_SYS_REV_LEN]; + unsigned int srev; unsigned int partnum; unsigned int type; unsigned char sys_type[LTQ_SYS_TYPE_LEN]; + unsigned char *compatible; }; extern void ltq_soc_detect(struct ltq_soc_info *i); -extern void ltq_soc_setup(void); +extern void ltq_soc_init(void); + +extern struct boot_param_header __dtb_start; #endif diff --git a/arch/mips/lantiq/setup.c b/arch/mips/lantiq/setup.c deleted file mode 100644 index 1ff6c9d6cb9..00000000000 --- a/arch/mips/lantiq/setup.c +++ /dev/null @@ -1,66 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published - * by the Free Software Foundation. - * - * Copyright (C) 2010 John Crispin <blogic@openwrt.org> - */ - -#include <linux/kernel.h> -#include <linux/export.h> -#include <linux/io.h> -#include <linux/ioport.h> -#include <asm/bootinfo.h> - -#include <lantiq_soc.h> - -#include "machtypes.h" -#include "devices.h" -#include "prom.h" - -void __init plat_mem_setup(void) -{ - /* assume 16M as default incase uboot fails to pass proper ramsize */ - unsigned long memsize = 16; - char **envp = (char **) KSEG1ADDR(fw_arg2); - - ioport_resource.start = IOPORT_RESOURCE_START; - ioport_resource.end = IOPORT_RESOURCE_END; - iomem_resource.start = IOMEM_RESOURCE_START; - iomem_resource.end = IOMEM_RESOURCE_END; - - set_io_port_base((unsigned long) KSEG1); - - while (*envp) { - char *e = (char *)KSEG1ADDR(*envp); - if (!strncmp(e, "memsize=", 8)) { - e += 8; - if (strict_strtoul(e, 0, &memsize)) - pr_warn("bad memsize specified\n"); - } - envp++; - } - memsize *= 1024 * 1024; - add_memory_region(0x00000000, memsize, BOOT_MEM_RAM); -} - -static int __init -lantiq_setup(void) -{ - ltq_soc_setup(); - mips_machine_setup(); - return 0; -} - -arch_initcall(lantiq_setup); - -static void __init -lantiq_generic_init(void) -{ - /* Nothing to do */ -} - -MIPS_MACHINE(LTQ_MACH_GENERIC, - "Generic", - "Generic Lantiq based board", - lantiq_generic_init); diff --git a/arch/mips/lantiq/xway/Kconfig b/arch/mips/lantiq/xway/Kconfig deleted file mode 100644 index 2b857de3662..00000000000 --- a/arch/mips/lantiq/xway/Kconfig +++ /dev/null @@ -1,23 +0,0 @@ -if SOC_XWAY - -menu "MIPS Machine" - -config LANTIQ_MACH_EASY50712 - bool "Easy50712 - Danube" - default y - -endmenu - -endif - -if SOC_AMAZON_SE - -menu "MIPS Machine" - -config LANTIQ_MACH_EASY50601 - bool "Easy50601 - Amazon SE" - default y - -endmenu - -endif diff --git a/arch/mips/lantiq/xway/Makefile b/arch/mips/lantiq/xway/Makefile index c517f2e7756..dc3194f6ee4 100644 --- a/arch/mips/lantiq/xway/Makefile +++ b/arch/mips/lantiq/xway/Makefile @@ -1,7 +1 @@ -obj-y := pmu.o ebu.o reset.o gpio.o gpio_stp.o gpio_ebu.o devices.o dma.o - -obj-$(CONFIG_SOC_XWAY) += clk-xway.o prom-xway.o setup-xway.o -obj-$(CONFIG_SOC_AMAZON_SE) += clk-ase.o prom-ase.o setup-ase.o - -obj-$(CONFIG_LANTIQ_MACH_EASY50712) += mach-easy50712.o -obj-$(CONFIG_LANTIQ_MACH_EASY50601) += mach-easy50601.o +obj-y := prom.o sysctrl.o clk.o reset.o gpio.o dma.o diff --git a/arch/mips/lantiq/xway/clk-ase.c b/arch/mips/lantiq/xway/clk-ase.c deleted file mode 100644 index 652258309c9..00000000000 --- a/arch/mips/lantiq/xway/clk-ase.c +++ /dev/null @@ -1,48 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published - * by the Free Software Foundation. - * - * Copyright (C) 2011 John Crispin <blogic@openwrt.org> - */ - -#include <linux/io.h> -#include <linux/export.h> -#include <linux/init.h> -#include <linux/clk.h> - -#include <asm/time.h> -#include <asm/irq.h> -#include <asm/div64.h> - -#include <lantiq_soc.h> - -/* cgu registers */ -#define LTQ_CGU_SYS 0x0010 - -unsigned int ltq_get_io_region_clock(void) -{ - return CLOCK_133M; -} -EXPORT_SYMBOL(ltq_get_io_region_clock); - -unsigned int ltq_get_fpi_bus_clock(int fpi) -{ - return CLOCK_133M; -} -EXPORT_SYMBOL(ltq_get_fpi_bus_clock); - -unsigned int ltq_get_cpu_hz(void) -{ - if (ltq_cgu_r32(LTQ_CGU_SYS) & (1 << 5)) - return CLOCK_266M; - else - return CLOCK_133M; -} -EXPORT_SYMBOL(ltq_get_cpu_hz); - -unsigned int ltq_get_fpi_hz(void) -{ - return CLOCK_133M; -} -EXPORT_SYMBOL(ltq_get_fpi_hz); diff --git a/arch/mips/lantiq/xway/clk-xway.c b/arch/mips/lantiq/xway/clk-xway.c deleted file mode 100644 index 696b1a3e064..00000000000 --- a/arch/mips/lantiq/xway/clk-xway.c +++ /dev/null @@ -1,223 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published - * by the Free Software Foundation. - * - * Copyright (C) 2010 John Crispin <blogic@openwrt.org> - */ - -#include <linux/io.h> -#include <linux/export.h> -#include <linux/init.h> -#include <linux/clk.h> - -#include <asm/time.h> -#include <asm/irq.h> -#include <asm/div64.h> - -#include <lantiq_soc.h> - -static unsigned int ltq_ram_clocks[] = { - CLOCK_167M, CLOCK_133M, CLOCK_111M, CLOCK_83M }; -#define DDR_HZ ltq_ram_clocks[ltq_cgu_r32(LTQ_CGU_SYS) & 0x3] - -#define BASIC_FREQUENCY_1 35328000 -#define BASIC_FREQUENCY_2 36000000 -#define BASIS_REQUENCY_USB 12000000 - -#define GET_BITS(x, msb, lsb) \ - (((x) & ((1 << ((msb) + 1)) - 1)) >> (lsb)) - -#define LTQ_CGU_PLL0_CFG 0x0004 -#define LTQ_CGU_PLL1_CFG 0x0008 -#define LTQ_CGU_PLL2_CFG 0x000C -#define LTQ_CGU_SYS 0x0010 -#define LTQ_CGU_UPDATE 0x0014 -#define LTQ_CGU_IF_CLK 0x0018 -#define LTQ_CGU_OSC_CON 0x001C -#define LTQ_CGU_SMD 0x0020 -#define LTQ_CGU_CT1SR 0x0028 -#define LTQ_CGU_CT2SR 0x002C -#define LTQ_CGU_PCMCR 0x0030 -#define LTQ_CGU_PCI_CR 0x0034 -#define LTQ_CGU_PD_PC 0x0038 -#define LTQ_CGU_FMR 0x003C - -#define CGU_PLL0_PHASE_DIVIDER_ENABLE \ - (ltq_cgu_r32(LTQ_CGU_PLL0_CFG) & (1 << 31)) -#define CGU_PLL0_BYPASS \ - (ltq_cgu_r32(LTQ_CGU_PLL0_CFG) & (1 << 30)) -#define CGU_PLL0_CFG_DSMSEL \ - (ltq_cgu_r32(LTQ_CGU_PLL0_CFG) & (1 << 28)) -#define CGU_PLL0_CFG_FRAC_EN \ - (ltq_cgu_r32(LTQ_CGU_PLL0_CFG) & (1 << 27)) -#define CGU_PLL1_SRC \ - (ltq_cgu_r32(LTQ_CGU_PLL1_CFG) & (1 << 31)) -#define CGU_PLL2_PHASE_DIVIDER_ENABLE \ - (ltq_cgu_r32(LTQ_CGU_PLL2_CFG) & (1 << 20)) -#define CGU_SYS_FPI_SEL (1 << 6) -#define CGU_SYS_DDR_SEL 0x3 -#define CGU_PLL0_SRC (1 << 29) - -#define CGU_PLL0_CFG_PLLK GET_BITS(ltq_cgu_r32(LTQ_CGU_PLL0_CFG), 26, 17) -#define CGU_PLL0_CFG_PLLN GET_BITS(ltq_cgu_r32(LTQ_CGU_PLL0_CFG), 12, 6) -#define CGU_PLL0_CFG_PLLM GET_BITS(ltq_cgu_r32(LTQ_CGU_PLL0_CFG), 5, 2) -#define CGU_PLL2_SRC GET_BITS(ltq_cgu_r32(LTQ_CGU_PLL2_CFG), 18, 17) -#define CGU_PLL2_CFG_INPUT_DIV GET_BITS(ltq_cgu_r32(LTQ_CGU_PLL2_CFG), 16, 13) - -static unsigned int ltq_get_pll0_fdiv(void); - -static inline unsigned int get_input_clock(int pll) -{ - switch (pll) { - case 0: - if (ltq_cgu_r32(LTQ_CGU_PLL0_CFG) & CGU_PLL0_SRC) - return BASIS_REQUENCY_USB; - else if (CGU_PLL0_PHASE_DIVIDER_ENABLE) - return BASIC_FREQUENCY_1; - else - return BASIC_FREQUENCY_2; - case 1: - if (CGU_PLL1_SRC) - return BASIS_REQUENCY_USB; - else if (CGU_PLL0_PHASE_DIVIDER_ENABLE) - return BASIC_FREQUENCY_1; - else - return BASIC_FREQUENCY_2; - case 2: - switch (CGU_PLL2_SRC) { - case 0: - return ltq_get_pll0_fdiv(); - case 1: - return CGU_PLL2_PHASE_DIVIDER_ENABLE ? - BASIC_FREQUENCY_1 : - BASIC_FREQUENCY_2; - case 2: - return BASIS_REQUENCY_USB; - } - default: - return 0; - } -} - -static inline unsigned int cal_dsm(int pll, unsigned int num, unsigned int den) -{ - u64 res, clock = get_input_clock(pll); - - res = num * clock; - do_div(res, den); - return res; -} - -static inline unsigned int mash_dsm(int pll, unsigned int M, unsigned int N, - unsigned int K) -{ - unsigned int num = ((N + 1) << 10) + K; - unsigned int den = (M + 1) << 10; - - return cal_dsm(pll, num, den); -} - -static inline unsigned int ssff_dsm_1(int pll, unsigned int M, unsigned int N, - unsigned int K) -{ - unsigned int num = ((N + 1) << 11) + K + 512; - unsigned int den = (M + 1) << 11; - - return cal_dsm(pll, num, den); -} - -static inline unsigned int ssff_dsm_2(int pll, unsigned int M, unsigned int N, - unsigned int K) -{ - unsigned int num = K >= 512 ? - ((N + 1) << 12) + K - 512 : ((N + 1) << 12) + K + 3584; - unsigned int den = (M + 1) << 12; - - return cal_dsm(pll, num, den); -} - -static inline unsigned int dsm(int pll, unsigned int M, unsigned int N, - unsigned int K, unsigned int dsmsel, unsigned int phase_div_en) -{ - if (!dsmsel) - return mash_dsm(pll, M, N, K); - else if (!phase_div_en) - return mash_dsm(pll, M, N, K); - else - return ssff_dsm_2(pll, M, N, K); -} - -static inline unsigned int ltq_get_pll0_fosc(void) -{ - if (CGU_PLL0_BYPASS) - return get_input_clock(0); - else - return !CGU_PLL0_CFG_FRAC_EN - ? dsm(0, CGU_PLL0_CFG_PLLM, CGU_PLL0_CFG_PLLN, 0, - CGU_PLL0_CFG_DSMSEL, - CGU_PLL0_PHASE_DIVIDER_ENABLE) - : dsm(0, CGU_PLL0_CFG_PLLM, CGU_PLL0_CFG_PLLN, - CGU_PLL0_CFG_PLLK, CGU_PLL0_CFG_DSMSEL, - CGU_PLL0_PHASE_DIVIDER_ENABLE); -} - -static unsigned int ltq_get_pll0_fdiv(void) -{ - unsigned int div = CGU_PLL2_CFG_INPUT_DIV + 1; - - return (ltq_get_pll0_fosc() + (div >> 1)) / div; -} - -unsigned int ltq_get_io_region_clock(void) -{ - unsigned int ret = ltq_get_pll0_fosc(); - - switch (ltq_cgu_r32(LTQ_CGU_PLL2_CFG) & CGU_SYS_DDR_SEL) { - default: - case 0: - return (ret + 1) / 2; - case 1: - return (ret * 2 + 2) / 5; - case 2: - return (ret + 1) / 3; - case 3: - return (ret + 2) / 4; - } -} -EXPORT_SYMBOL(ltq_get_io_region_clock); - -unsigned int ltq_get_fpi_bus_clock(int fpi) -{ - unsigned int ret = ltq_get_io_region_clock(); - - if ((fpi == 2) && (ltq_cgu_r32(LTQ_CGU_SYS) & CGU_SYS_FPI_SEL)) - ret >>= 1; - return ret; -} -EXPORT_SYMBOL(ltq_get_fpi_bus_clock); - -unsigned int ltq_get_cpu_hz(void) -{ - switch (ltq_cgu_r32(LTQ_CGU_SYS) & 0xc) { - case 0: - return CLOCK_333M; - case 4: - return DDR_HZ; - case 8: - return DDR_HZ << 1; - default: - return DDR_HZ >> 1; - } -} -EXPORT_SYMBOL(ltq_get_cpu_hz); - -unsigned int ltq_get_fpi_hz(void) -{ - unsigned int ddr_clock = DDR_HZ; - - if (ltq_cgu_r32(LTQ_CGU_SYS) & 0x40) - return ddr_clock >> 1; - return ddr_clock; -} -EXPORT_SYMBOL(ltq_get_fpi_hz); diff --git a/arch/mips/lantiq/xway/clk.c b/arch/mips/lantiq/xway/clk.c new file mode 100644 index 00000000000..9aa17f79a74 --- /dev/null +++ b/arch/mips/lantiq/xway/clk.c @@ -0,0 +1,151 @@ +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation. + * + * Copyright (C) 2010 John Crispin <blogic@openwrt.org> + */ + +#include <linux/io.h> +#include <linux/export.h> +#include <linux/init.h> +#include <linux/clk.h> + +#include <asm/time.h> +#include <asm/irq.h> +#include <asm/div64.h> + +#include <lantiq_soc.h> + +#include "../clk.h" + +static unsigned int ram_clocks[] = { + CLOCK_167M, CLOCK_133M, CLOCK_111M, CLOCK_83M }; +#define DDR_HZ ram_clocks[ltq_cgu_r32(CGU_SYS) & 0x3] + +/* legacy xway clock */ +#define CGU_SYS 0x10 + +/* vr9 clock */ +#define CGU_SYS_VR9 0x0c +#define CGU_IF_CLK_VR9 0x24 + +unsigned long ltq_danube_fpi_hz(void) +{ + unsigned long ddr_clock = DDR_HZ; + + if (ltq_cgu_r32(CGU_SYS) & 0x40) + return ddr_clock >> 1; + return ddr_clock; +} + +unsigned long ltq_danube_cpu_hz(void) +{ + switch (ltq_cgu_r32(CGU_SYS) & 0xc) { + case 0: + return CLOCK_333M; + case 4: + return DDR_HZ; + case 8: + return DDR_HZ << 1; + default: + return DDR_HZ >> 1; + } +} + +unsigned long ltq_ar9_sys_hz(void) +{ + if (((ltq_cgu_r32(CGU_SYS) >> 3) & 0x3) == 0x2) + return CLOCK_393M; + return CLOCK_333M; +} + +unsigned long ltq_ar9_fpi_hz(void) +{ + unsigned long sys = ltq_ar9_sys_hz(); + + if (ltq_cgu_r32(CGU_SYS) & BIT(0)) + return sys; + return sys >> 1; +} + +unsigned long ltq_ar9_cpu_hz(void) +{ + if (ltq_cgu_r32(CGU_SYS) & BIT(2)) + return ltq_ar9_fpi_hz(); + else + return ltq_ar9_sys_hz(); +} + +unsigned long ltq_vr9_cpu_hz(void) +{ + unsigned int cpu_sel; + unsigned long clk; + + cpu_sel = (ltq_cgu_r32(CGU_SYS_VR9) >> 4) & 0xf; + + switch (cpu_sel) { + case 0: + clk = CLOCK_600M; + break; + case 1: + clk = CLOCK_500M; + break; + case 2: + clk = CLOCK_393M; + break; + case 3: + clk = CLOCK_333M; + break; + case 5: + case 6: + clk = CLOCK_196_608M; + break; + case 7: + clk = CLOCK_167M; + break; + case 4: + case 8: + case 9: + clk = CLOCK_125M; + break; + default: + clk = 0; + break; + } + + return clk; +} + +unsigned long ltq_vr9_fpi_hz(void) +{ + unsigned int ocp_sel, cpu_clk; + unsigned long clk; + + cpu_clk = ltq_vr9_cpu_hz(); + ocp_sel = ltq_cgu_r32(CGU_SYS_VR9) & 0x3; + + switch (ocp_sel) { + case 0: + /* OCP ratio 1 */ + clk = cpu_clk; + break; + case 2: + /* OCP ratio 2 */ + clk = cpu_clk / 2; + break; + case 3: + /* OCP ratio 2.5 */ + clk = (cpu_clk * 2) / 5; + break; + case 4: + /* OCP ratio 3 */ + clk = cpu_clk / 3; + break; + default: + clk = 0; + break; + } + + return clk; +} diff --git a/arch/mips/lantiq/xway/devices.c b/arch/mips/lantiq/xway/devices.c deleted file mode 100644 index d614aa7ff07..00000000000 --- a/arch/mips/lantiq/xway/devices.c +++ /dev/null @@ -1,119 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published - * by the Free Software Foundation. - * - * Copyright (C) 2010 John Crispin <blogic@openwrt.org> - */ - -#include <linux/init.h> -#include <linux/export.h> -#include <linux/types.h> -#include <linux/string.h> -#include <linux/mtd/physmap.h> -#include <linux/kernel.h> -#include <linux/reboot.h> -#include <linux/platform_device.h> -#include <linux/leds.h> -#include <linux/etherdevice.h> -#include <linux/time.h> -#include <linux/io.h> -#include <linux/gpio.h> - -#include <asm/bootinfo.h> -#include <asm/irq.h> - -#include <lantiq_soc.h> -#include <lantiq_irq.h> -#include <lantiq_platform.h> - -#include "devices.h" - -/* gpio */ -static struct resource ltq_gpio_resource[] = { - { - .name = "gpio0", - .start = LTQ_GPIO0_BASE_ADDR, - .end = LTQ_GPIO0_BASE_ADDR + LTQ_GPIO_SIZE - 1, - .flags = IORESOURCE_MEM, - }, { - .name = "gpio1", - .start = LTQ_GPIO1_BASE_ADDR, - .end = LTQ_GPIO1_BASE_ADDR + LTQ_GPIO_SIZE - 1, - .flags = IORESOURCE_MEM, - }, { - .name = "gpio2", - .start = LTQ_GPIO2_BASE_ADDR, - .end = LTQ_GPIO2_BASE_ADDR + LTQ_GPIO_SIZE - 1, - .flags = IORESOURCE_MEM, - } -}; - -void __init ltq_register_gpio(void) -{ - platform_device_register_simple("ltq_gpio", 0, - <q_gpio_resource[0], 1); - platform_device_register_simple("ltq_gpio", 1, - <q_gpio_resource[1], 1); - - /* AR9 and VR9 have an extra gpio block */ - if (ltq_is_ar9() || ltq_is_vr9()) { - platform_device_register_simple("ltq_gpio", 2, - <q_gpio_resource[2], 1); - } -} - -/* serial to parallel conversion */ -static struct resource ltq_stp_resource = { - .name = "stp", - .start = LTQ_STP_BASE_ADDR, - .end = LTQ_STP_BASE_ADDR + LTQ_STP_SIZE - 1, - .flags = IORESOURCE_MEM, -}; - -void __init ltq_register_gpio_stp(void) -{ - platform_device_register_simple("ltq_stp", 0, <q_stp_resource, 1); -} - -/* asc ports - amazon se has its own serial mapping */ -static struct resource ltq_ase_asc_resources[] = { - { - .name = "asc0", - .start = LTQ_ASC1_BASE_ADDR, - .end = LTQ_ASC1_BASE_ADDR + LTQ_ASC_SIZE - 1, - .flags = IORESOURCE_MEM, - }, - IRQ_RES(tx, LTQ_ASC_ASE_TIR), - IRQ_RES(rx, LTQ_ASC_ASE_RIR), - IRQ_RES(err, LTQ_ASC_ASE_EIR), -}; - -void __init ltq_register_ase_asc(void) -{ - platform_device_register_simple("ltq_asc", 0, - ltq_ase_asc_resources, ARRAY_SIZE(ltq_ase_asc_resources)); -} - -/* ethernet */ -static struct resource ltq_etop_resources = { - .name = "etop", - .start = LTQ_ETOP_BASE_ADDR, - .end = LTQ_ETOP_BASE_ADDR + LTQ_ETOP_SIZE - 1, - .flags = IORESOURCE_MEM, -}; - -static struct platform_device ltq_etop = { - .name = "ltq_etop", - .resource = <q_etop_resources, - .num_resources = 1, -}; - -void __init -ltq_register_etop(struct ltq_eth_data *eth) -{ - if (eth) { - ltq_etop.dev.platform_data = eth; - platform_device_register(<q_etop); - } -} diff --git a/arch/mips/lantiq/xway/devices.h b/arch/mips/lantiq/xway/devices.h deleted file mode 100644 index e90493471bc..00000000000 --- a/arch/mips/lantiq/xway/devices.h +++ /dev/null @@ -1,20 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published - * by the Free Software Foundation. - * - * Copyright (C) 2010 John Crispin <blogic@openwrt.org> - */ - -#ifndef _LTQ_DEVICES_XWAY_H__ -#define _LTQ_DEVICES_XWAY_H__ - -#include "../devices.h" -#include <linux/phy.h> - -extern void ltq_register_gpio(void); -extern void ltq_register_gpio_stp(void); -extern void ltq_register_ase_asc(void); -extern void ltq_register_etop(struct ltq_eth_data *eth); - -#endif diff --git a/arch/mips/lantiq/xway/dma.c b/arch/mips/lantiq/xway/dma.c index b210e936c7c..55d2c4fa471 100644 --- a/arch/mips/lantiq/xway/dma.c +++ b/arch/mips/lantiq/xway/dma.c @@ -19,7 +19,8 @@ #include <linux/platform_device.h> #include <linux/io.h> #include <linux/dma-mapping.h> -#include <linux/export.h> +#include <linux/module.h> +#include <linux/clk.h> #include <lantiq_soc.h> #include <xway_dma.h> @@ -55,13 +56,6 @@ #define ltq_dma_w32_mask(x, y, z) ltq_w32_mask(x, y, \ ltq_dma_membase + (z)) -static struct resource ltq_dma_resource = { - .name = "dma", - .start = LTQ_DMA_BASE_ADDR, - .end = LTQ_DMA_BASE_ADDR + LTQ_DMA_SIZE - 1, - .flags = IORESOURCE_MEM, -}; - static void __iomem *ltq_dma_membase; void @@ -215,27 +209,28 @@ ltq_dma_init_port(int p) } EXPORT_SYMBOL_GPL(ltq_dma_init_port); -int __init -ltq_dma_init(void) +static int __devinit +ltq_dma_init(struct platform_device *pdev) { + struct clk *clk; + struct resource *res; int i; - /* insert and request the memory region */ - if (insert_resource(&iomem_resource, <q_dma_resource) < 0) - panic("Failed to insert dma memory"); - - if (request_mem_region(ltq_dma_resource.start, - resource_size(<q_dma_resource), "dma") < 0) - panic("Failed to request dma memory"); + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) + panic("Failed to get dma resource"); /* remap dma register range */ - ltq_dma_membase = ioremap_nocache(ltq_dma_resource.start, - resource_size(<q_dma_resource)); + ltq_dma_membase = devm_request_and_ioremap(&pdev->dev, res); if (!ltq_dma_membase) - panic("Failed to remap dma memory"); + panic("Failed to remap dma resource"); /* power up and reset the dma engine */ - ltq_pmu_enable(PMU_DMA); + clk = clk_get(&pdev->dev, NULL); + if (IS_ERR(clk)) + panic("Failed to get dma clock"); + + clk_enable(clk); ltq_dma_w32_mask(0, DMA_RESET, LTQ_DMA_CTRL); /* disable all interrupts */ @@ -248,7 +243,29 @@ ltq_dma_init(void) ltq_dma_w32(DMA_POLL | DMA_CLK_DIV4, LTQ_DMA_CPOLL); ltq_dma_w32_mask(DMA_CHAN_ON, 0, LTQ_DMA_CCTRL); } + dev_info(&pdev->dev, "init done\n"); return 0; } -postcore_initcall(ltq_dma_init); +static const struct of_device_id dma_match[] = { + { .compatible = "lantiq,dma-xway" }, + {}, +}; +MODULE_DEVICE_TABLE(of, dma_match); + +static struct platform_driver dma_driver = { + .probe = ltq_dma_init, + .driver = { + .name = "dma-xway", + .owner = THIS_MODULE, + .of_match_table = dma_match, + }, +}; + +int __init +dma_init(void) +{ + return platform_driver_register(&dma_driver); +} + +postcore_initcall(dma_init); diff --git a/arch/mips/lantiq/xway/ebu.c b/arch/mips/lantiq/xway/ebu.c deleted file mode 100644 index 862e3e83068..00000000000 --- a/arch/mips/lantiq/xway/ebu.c +++ /dev/null @@ -1,52 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published - * by the Free Software Foundation. - * - * EBU - the external bus unit attaches PCI, NOR and NAND - * - * Copyright (C) 2010 John Crispin <blogic@openwrt.org> - */ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/ioport.h> - -#include <lantiq_soc.h> - -/* all access to the ebu must be locked */ -DEFINE_SPINLOCK(ebu_lock); -EXPORT_SYMBOL_GPL(ebu_lock); - -static struct resource ltq_ebu_resource = { - .name = "ebu", - .start = LTQ_EBU_BASE_ADDR, - .end = LTQ_EBU_BASE_ADDR + LTQ_EBU_SIZE - 1, - .flags = IORESOURCE_MEM, -}; - -/* remapped base addr of the clock unit and external bus unit */ -void __iomem *ltq_ebu_membase; - -static int __init lantiq_ebu_init(void) -{ - /* insert and request the memory region */ - if (insert_resource(&iomem_resource, <q_ebu_resource) < 0) - panic("Failed to insert ebu memory"); - - if (request_mem_region(ltq_ebu_resource.start, - resource_size(<q_ebu_resource), "ebu") < 0) - panic("Failed to request ebu memory"); - - /* remap ebu register range */ - ltq_ebu_membase = ioremap_nocache(ltq_ebu_resource.start, - resource_size(<q_ebu_resource)); - if (!ltq_ebu_membase) - panic("Failed to remap ebu memory"); - - /* make sure to unprotect the memory region where flash is located */ - ltq_ebu_w32(ltq_ebu_r32(LTQ_EBU_BUSCON0) & ~EBU_WRDIS, LTQ_EBU_BUSCON0); - return 0; -} - -postcore_initcall(lantiq_ebu_init); diff --git a/arch/mips/lantiq/xway/gpio.c b/arch/mips/lantiq/xway/gpio.c index c429a5bc080..2ab39e93d9b 100644 --- a/arch/mips/lantiq/xway/gpio.c +++ b/arch/mips/lantiq/xway/gpio.c @@ -36,18 +36,6 @@ struct ltq_gpio { static struct ltq_gpio ltq_gpio_port[MAX_PORTS]; -int gpio_to_irq(unsigned int gpio) -{ - return -EINVAL; -} -EXPORT_SYMBOL(gpio_to_irq); - -int irq_to_gpio(unsigned int gpio) -{ - return -EINVAL; -} -EXPORT_SYMBOL(irq_to_gpio); - int ltq_gpio_request(unsigned int pin, unsigned int alt0, unsigned int alt1, unsigned int dir, const char *name) { diff --git a/arch/mips/lantiq/xway/gpio_ebu.c b/arch/mips/lantiq/xway/gpio_ebu.c deleted file mode 100644 index aae17170472..00000000000 --- a/arch/mips/lantiq/xway/gpio_ebu.c +++ /dev/null @@ -1,126 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published - * by the Free Software Foundation. - * - * Copyright (C) 2010 John Crispin <blogic@openwrt.org> - */ - -#include <linux/init.h> -#include <linux/export.h> -#include <linux/types.h> -#include <linux/platform_device.h> -#include <linux/mutex.h> -#include <linux/gpio.h> -#include <linux/io.h> - -#include <lantiq_soc.h> - -/* - * By attaching hardware latches to the EBU it is possible to create output - * only gpios. This driver configures a special memory address, which when - * written to outputs 16 bit to the latches. - */ - -#define LTQ_EBU_BUSCON 0x1e7ff /* 16 bit access, slowest timing */ -#define LTQ_EBU_WP 0x80000000 /* write protect bit */ - -/* we keep a shadow value of the last value written to the ebu */ -static int ltq_ebu_gpio_shadow = 0x0; -static void __iomem *ltq_ebu_gpio_membase; - -static void ltq_ebu_apply(void) -{ - unsigned long flags; - - spin_lock_irqsave(&ebu_lock, flags); - ltq_ebu_w32(LTQ_EBU_BUSCON, LTQ_EBU_BUSCON1); - *((__u16 *)ltq_ebu_gpio_membase) = ltq_ebu_gpio_shadow; - ltq_ebu_w32(LTQ_EBU_BUSCON | LTQ_EBU_WP, LTQ_EBU_BUSCON1); - spin_unlock_irqrestore(&ebu_lock, flags); -} - -static void ltq_ebu_set(struct gpio_chip *chip, unsigned offset, int value) -{ - if (value) - ltq_ebu_gpio_shadow |= (1 << offset); - else - ltq_ebu_gpio_shadow &= ~(1 << offset); - ltq_ebu_apply(); -} - -static int ltq_ebu_direction_output(struct gpio_chip *chip, unsigned offset, - int value) -{ - ltq_ebu_set(chip, offset, value); - - return 0; -} - -static struct gpio_chip ltq_ebu_chip = { - .label = "ltq_ebu", - .direction_output = ltq_ebu_direction_output, - .set = ltq_ebu_set, - .base = 72, - .ngpio = 16, - .can_sleep = 1, - .owner = THIS_MODULE, -}; - -static int ltq_ebu_probe(struct platform_device *pdev) -{ - int ret = 0; - struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - - if (!res) { - dev_err(&pdev->dev, "failed to get memory resource\n"); - return -ENOENT; - } - - res = devm_request_mem_region(&pdev->dev, res->start, - resource_size(res), dev_name(&pdev->dev)); - if (!res) { - dev_err(&pdev->dev, "failed to request memory resource\n"); - return -EBUSY; - } - - ltq_ebu_gpio_membase = devm_ioremap_nocache(&pdev->dev, res->start, - resource_size(res)); - if (!ltq_ebu_gpio_membase) { - dev_err(&pdev->dev, "Failed to ioremap mem region\n"); - return -ENOMEM; - } - - /* grab the default shadow value passed form the platform code */ - ltq_ebu_gpio_shadow = (unsigned int) pdev->dev.platform_data; - - /* tell the ebu controller which memory address we will be using */ - ltq_ebu_w32(pdev->resource->start | 0x1, LTQ_EBU_ADDRSEL1); - - /* write protect the region */ - ltq_ebu_w32(LTQ_EBU_BUSCON | LTQ_EBU_WP, LTQ_EBU_BUSCON1); - - ret = gpiochip_add(<q_ebu_chip); - if (!ret) - ltq_ebu_apply(); - return ret; -} - -static struct platform_driver ltq_ebu_driver = { - .probe = ltq_ebu_probe, - .driver = { - .name = "ltq_ebu", - .owner = THIS_MODULE, - }, -}; - -static int __init ltq_ebu_init(void) -{ - int ret = platform_driver_register(<q_ebu_driver); - - if (ret) - pr_info("ltq_ebu : Error registering platform driver!"); - return ret; -} - -postcore_initcall(ltq_ebu_init); diff --git a/arch/mips/lantiq/xway/gpio_stp.c b/arch/mips/lantiq/xway/gpio_stp.c deleted file mode 100644 index fd07d87adaa..00000000000 --- a/arch/mips/lantiq/xway/gpio_stp.c +++ /dev/null @@ -1,157 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published - * by the Free Software Foundation. - * - * Copyright (C) 2007 John Crispin <blogic@openwrt.org> - * - */ - -#include <linux/slab.h> -#include <linux/init.h> -#include <linux/export.h> -#include <linux/types.h> -#include <linux/platform_device.h> -#include <linux/mutex.h> -#include <linux/io.h> -#include <linux/gpio.h> - -#include <lantiq_soc.h> - -#define LTQ_STP_CON0 0x00 -#define LTQ_STP_CON1 0x04 -#define LTQ_STP_CPU0 0x08 -#define LTQ_STP_CPU1 0x0C -#define LTQ_STP_AR 0x10 - -#define LTQ_STP_CON_SWU (1 << 31) -#define LTQ_STP_2HZ 0 -#define LTQ_STP_4HZ (1 << 23) -#define LTQ_STP_8HZ (2 << 23) -#define LTQ_STP_10HZ (3 << 23) -#define LTQ_STP_SPEED_MASK (0xf << 23) -#define LTQ_STP_UPD_FPI (1 << 31) -#define LTQ_STP_UPD_MASK (3 << 30) -#define LTQ_STP_ADSL_SRC (3 << 24) - -#define LTQ_STP_GROUP0 (1 << 0) - -#define LTQ_STP_RISING 0 -#define LTQ_STP_FALLING (1 << 26) -#define LTQ_STP_EDGE_MASK (1 << 26) - -#define ltq_stp_r32(reg) __raw_readl(ltq_stp_membase + reg) -#define ltq_stp_w32(val, reg) __raw_writel(val, ltq_stp_membase + reg) -#define ltq_stp_w32_mask(clear, set, reg) \ - ltq_w32((ltq_r32(ltq_stp_membase + reg) & ~(clear)) | (set), \ - ltq_stp_membase + (reg)) - -static int ltq_stp_shadow = 0xffff; -static void __iomem *ltq_stp_membase; - -static void ltq_stp_set(struct gpio_chip *chip, unsigned offset, int value) -{ - if (value) - ltq_stp_shadow |= (1 << offset); - else - ltq_stp_shadow &= ~(1 << offset); - ltq_stp_w32(ltq_stp_shadow, LTQ_STP_CPU0); -} - -static int ltq_stp_direction_output(struct gpio_chip *chip, unsigned offset, - int value) -{ - ltq_stp_set(chip, offset, value); - - return 0; -} - -static struct gpio_chip ltq_stp_chip = { - .label = "ltq_stp", - .direction_output = ltq_stp_direction_output, - .set = ltq_stp_set, - .base = 48, - .ngpio = 24, - .can_sleep = 1, - .owner = THIS_MODULE, -}; - -static int ltq_stp_hw_init(void) -{ - /* the 3 pins used to control the external stp */ - ltq_gpio_request(4, 1, 0, 1, "stp-st"); - ltq_gpio_request(5, 1, 0, 1, "stp-d"); - ltq_gpio_request(6, 1, 0, 1, "stp-sh"); - - /* sane defaults */ - ltq_stp_w32(0, LTQ_STP_AR); - ltq_stp_w32(0, LTQ_STP_CPU0); - ltq_stp_w32(0, LTQ_STP_CPU1); - ltq_stp_w32(LTQ_STP_CON_SWU, LTQ_STP_CON0); - ltq_stp_w32(0, LTQ_STP_CON1); - - /* rising or falling edge */ - ltq_stp_w32_mask(LTQ_STP_EDGE_MASK, LTQ_STP_FALLING, LTQ_STP_CON0); - - /* per default stp 15-0 are set */ - ltq_stp_w32_mask(0, LTQ_STP_GROUP0, LTQ_STP_CON1); - - /* stp are update periodically by the FPI bus */ - ltq_stp_w32_mask(LTQ_STP_UPD_MASK, LTQ_STP_UPD_FPI, LTQ_STP_CON1); - - /* set stp update speed */ - ltq_stp_w32_mask(LTQ_STP_SPEED_MASK, LTQ_STP_8HZ, LTQ_STP_CON1); - - /* tell the hardware that pin (led) 0 and 1 are controlled - * by the dsl arc - */ - ltq_stp_w32_mask(0, LTQ_STP_ADSL_SRC, LTQ_STP_CON0); - - ltq_pmu_enable(PMU_LED); - return 0; -} - -static int __devinit ltq_stp_probe(struct platform_device *pdev) -{ - struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - int ret = 0; - - if (!res) - return -ENOENT; - res = devm_request_mem_region(&pdev->dev, res->start, - resource_size(res), dev_name(&pdev->dev)); - if (!res) { - dev_err(&pdev->dev, "failed to request STP memory\n"); - return -EBUSY; - } - ltq_stp_membase = devm_ioremap_nocache(&pdev->dev, res->start, - resource_size(res)); - if (!ltq_stp_membase) { - dev_err(&pdev->dev, "failed to remap STP memory\n"); - return -ENOMEM; - } - ret = gpiochip_add(<q_stp_chip); - if (!ret) - ret = ltq_stp_hw_init(); - - return ret; -} - -static struct platform_driver ltq_stp_driver = { - .probe = ltq_stp_probe, - .driver = { - .name = "ltq_stp", - .owner = THIS_MODULE, - }, -}; - -int __init ltq_stp_init(void) -{ - int ret = platform_driver_register(<q_stp_driver); - - if (ret) - pr_info("ltq_stp: error registering platform driver"); - return ret; -} - -postcore_initcall(ltq_stp_init); diff --git a/arch/mips/lantiq/xway/mach-easy50601.c b/arch/mips/lantiq/xway/mach-easy50601.c deleted file mode 100644 index d5aaf637ab1..00000000000 --- a/arch/mips/lantiq/xway/mach-easy50601.c +++ /dev/null @@ -1,57 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published - * by the Free Software Foundation. - * - * Copyright (C) 2010 John Crispin <blogic@openwrt.org> - */ - -#include <linux/init.h> -#include <linux/platform_device.h> -#include <linux/mtd/mtd.h> -#include <linux/mtd/partitions.h> -#include <linux/mtd/physmap.h> -#include <linux/input.h> - -#include <lantiq.h> - -#include "../machtypes.h" -#include "devices.h" - -static struct mtd_partition easy50601_partitions[] = { - { - .name = "uboot", - .offset = 0x0, - .size = 0x10000, - }, - { - .name = "uboot_env", - .offset = 0x10000, - .size = 0x10000, - }, - { - .name = "linux", - .offset = 0x20000, - .size = 0xE0000, - }, - { - .name = "rootfs", - .offset = 0x100000, - .size = 0x300000, - }, -}; - -static struct physmap_flash_data easy50601_flash_data = { - .nr_parts = ARRAY_SIZE(easy50601_partitions), - .parts = easy50601_partitions, -}; - -static void __init easy50601_init(void) -{ - ltq_register_nor(&easy50601_flash_data); -} - -MIPS_MACHINE(LTQ_MACH_EASY50601, - "EASY50601", - "EASY50601 Eval Board", - easy50601_init); diff --git a/arch/mips/lantiq/xway/mach-easy50712.c b/arch/mips/lantiq/xway/mach-easy50712.c deleted file mode 100644 index ea5027b3239..00000000000 --- a/arch/mips/lantiq/xway/mach-easy50712.c +++ /dev/null @@ -1,74 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published - * by the Free Software Foundation. - * - * Copyright (C) 2010 John Crispin <blogic@openwrt.org> - */ - -#include <linux/init.h> -#include <linux/platform_device.h> -#include <linux/mtd/mtd.h> -#include <linux/mtd/partitions.h> -#include <linux/mtd/physmap.h> -#include <linux/input.h> -#include <linux/phy.h> - -#include <lantiq_soc.h> -#include <irq.h> - -#include "../machtypes.h" -#include "devices.h" - -static struct mtd_partition easy50712_partitions[] = { - { - .name = "uboot", - .offset = 0x0, - .size = 0x10000, - }, - { - .name = "uboot_env", - .offset = 0x10000, - .size = 0x10000, - }, - { - .name = "linux", - .offset = 0x20000, - .size = 0xe0000, - }, - { - .name = "rootfs", - .offset = 0x100000, - .size = 0x300000, - }, -}; - -static struct physmap_flash_data easy50712_flash_data = { - .nr_parts = ARRAY_SIZE(easy50712_partitions), - .parts = easy50712_partitions, -}; - -static struct ltq_pci_data ltq_pci_data = { - .clock = PCI_CLOCK_INT, - .gpio = PCI_GNT1 | PCI_REQ1, - .irq = { - [14] = INT_NUM_IM0_IRL0 + 22, - }, -}; - -static struct ltq_eth_data ltq_eth_data = { - .mii_mode = PHY_INTERFACE_MODE_MII, -}; - -static void __init easy50712_init(void) -{ - ltq_register_gpio_stp(); - ltq_register_nor(&easy50712_flash_data); - ltq_register_pci(<q_pci_data); - ltq_register_etop(<q_eth_data); -} - -MIPS_MACHINE(LTQ_MACH_EASY50712, - "EASY50712", - "EASY50712 Eval Board", - easy50712_init); diff --git a/arch/mips/lantiq/xway/pmu.c b/arch/mips/lantiq/xway/pmu.c deleted file mode 100644 index fe85361e032..00000000000 --- a/arch/mips/lantiq/xway/pmu.c +++ /dev/null @@ -1,69 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published - * by the Free Software Foundation. - * - * Copyright (C) 2010 John Crispin <blogic@openwrt.org> - */ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/ioport.h> - -#include <lantiq_soc.h> - -/* PMU - the power management unit allows us to turn part of the core - * on and off - */ - -/* the enable / disable registers */ -#define LTQ_PMU_PWDCR 0x1C -#define LTQ_PMU_PWDSR 0x20 - -#define ltq_pmu_w32(x, y) ltq_w32((x), ltq_pmu_membase + (y)) -#define ltq_pmu_r32(x) ltq_r32(ltq_pmu_membase + (x)) - -static struct resource ltq_pmu_resource = { - .name = "pmu", - .start = LTQ_PMU_BASE_ADDR, - .end = LTQ_PMU_BASE_ADDR + LTQ_PMU_SIZE - 1, - .flags = IORESOURCE_MEM, -}; - -static void __iomem *ltq_pmu_membase; - -void ltq_pmu_enable(unsigned int module) -{ - int err = 1000000; - - ltq_pmu_w32(ltq_pmu_r32(LTQ_PMU_PWDCR) & ~module, LTQ_PMU_PWDCR); - do {} while (--err && (ltq_pmu_r32(LTQ_PMU_PWDSR) & module)); - - if (!err) - panic("activating PMU module failed!"); -} -EXPORT_SYMBOL(ltq_pmu_enable); - -void ltq_pmu_disable(unsigned int module) -{ - ltq_pmu_w32(ltq_pmu_r32(LTQ_PMU_PWDCR) | module, LTQ_PMU_PWDCR); -} -EXPORT_SYMBOL(ltq_pmu_disable); - -int __init ltq_pmu_init(void) -{ - if (insert_resource(&iomem_resource, <q_pmu_resource) < 0) - panic("Failed to insert pmu memory"); - - if (request_mem_region(ltq_pmu_resource.start, - resource_size(<q_pmu_resource), "pmu") < 0) - panic("Failed to request pmu memory"); - - ltq_pmu_membase = ioremap_nocache(ltq_pmu_resource.start, - resource_size(<q_pmu_resource)); - if (!ltq_pmu_membase) - panic("Failed to remap pmu memory"); - return 0; -} - -core_initcall(ltq_pmu_init); diff --git a/arch/mips/lantiq/xway/prom-ase.c b/arch/mips/lantiq/xway/prom-ase.c deleted file mode 100644 index ae4959ae865..00000000000 --- a/arch/mips/lantiq/xway/prom-ase.c +++ /dev/null @@ -1,39 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published - * by the Free Software Foundation. - * - * Copyright (C) 2010 John Crispin <blogic@openwrt.org> - */ - -#include <linux/export.h> -#include <linux/clk.h> -#include <asm/bootinfo.h> -#include <asm/time.h> - -#include <lantiq_soc.h> - -#include "../prom.h" - -#define SOC_AMAZON_SE "Amazon_SE" - -#define PART_SHIFT 12 -#define PART_MASK 0x0FFFFFFF -#define REV_SHIFT 28 -#define REV_MASK 0xF0000000 - -void __init ltq_soc_detect(struct ltq_soc_info *i) -{ - i->partnum = (ltq_r32(LTQ_MPS_CHIPID) & PART_MASK) >> PART_SHIFT; - i->rev = (ltq_r32(LTQ_MPS_CHIPID) & REV_MASK) >> REV_SHIFT; - switch (i->partnum) { - case SOC_ID_AMAZON_SE: - i->name = SOC_AMAZON_SE; - i->type = SOC_TYPE_AMAZON_SE; - break; - - default: - unreachable(); - break; - } -} diff --git a/arch/mips/lantiq/xway/prom-xway.c b/arch/mips/lantiq/xway/prom-xway.c deleted file mode 100644 index 2228133ca35..00000000000 --- a/arch/mips/lantiq/xway/prom-xway.c +++ /dev/null @@ -1,54 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published - * by the Free Software Foundation. - * - * Copyright (C) 2010 John Crispin <blogic@openwrt.org> - */ - -#include <linux/export.h> -#include <linux/clk.h> -#include <asm/bootinfo.h> -#include <asm/time.h> - -#include <lantiq_soc.h> - -#include "../prom.h" - -#define SOC_DANUBE "Danube" -#define SOC_TWINPASS "Twinpass" -#define SOC_AR9 "AR9" - -#define PART_SHIFT 12 -#define PART_MASK 0x0FFFFFFF -#define REV_SHIFT 28 -#define REV_MASK 0xF0000000 - -void __init ltq_soc_detect(struct ltq_soc_info *i) -{ - i->partnum = (ltq_r32(LTQ_MPS_CHIPID) & PART_MASK) >> PART_SHIFT; - i->rev = (ltq_r32(LTQ_MPS_CHIPID) & REV_MASK) >> REV_SHIFT; - switch (i->partnum) { - case SOC_ID_DANUBE1: - case SOC_ID_DANUBE2: - i->name = SOC_DANUBE; - i->type = SOC_TYPE_DANUBE; - break; - - case SOC_ID_TWINPASS: - i->name = SOC_TWINPASS; - i->type = SOC_TYPE_DANUBE; - break; - - case SOC_ID_ARX188: - case SOC_ID_ARX168: - case SOC_ID_ARX182: - i->name = SOC_AR9; - i->type = SOC_TYPE_AR9; - break; - - default: - unreachable(); - break; - } -} diff --git a/arch/mips/lantiq/xway/prom.c b/arch/mips/lantiq/xway/prom.c new file mode 100644 index 00000000000..248429ab262 --- /dev/null +++ b/arch/mips/lantiq/xway/prom.c @@ -0,0 +1,115 @@ +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation. + * + * Copyright (C) 2010 John Crispin <blogic@openwrt.org> + */ + +#include <linux/export.h> +#include <linux/clk.h> +#include <asm/bootinfo.h> +#include <asm/time.h> + +#include <lantiq_soc.h> + +#include "../prom.h" + +#define SOC_DANUBE "Danube" +#define SOC_TWINPASS "Twinpass" +#define SOC_AMAZON_SE "Amazon_SE" +#define SOC_AR9 "AR9" +#define SOC_GR9 "GR9" +#define SOC_VR9 "VR9" + +#define COMP_DANUBE "lantiq,danube" +#define COMP_TWINPASS "lantiq,twinpass" +#define COMP_AMAZON_SE "lantiq,ase" +#define COMP_AR9 "lantiq,ar9" +#define COMP_GR9 "lantiq,gr9" +#define COMP_VR9 "lantiq,vr9" + +#define PART_SHIFT 12 +#define PART_MASK 0x0FFFFFFF +#define REV_SHIFT 28 +#define REV_MASK 0xF0000000 + +void __init ltq_soc_detect(struct ltq_soc_info *i) +{ + i->partnum = (ltq_r32(LTQ_MPS_CHIPID) & PART_MASK) >> PART_SHIFT; + i->rev = (ltq_r32(LTQ_MPS_CHIPID) & REV_MASK) >> REV_SHIFT; + sprintf(i->rev_type, "1.%d", i->rev); + switch (i->partnum) { + case SOC_ID_DANUBE1: + case SOC_ID_DANUBE2: + i->name = SOC_DANUBE; + i->type = SOC_TYPE_DANUBE; + i->compatible = COMP_DANUBE; + break; + + case SOC_ID_TWINPASS: + i->name = SOC_TWINPASS; + i->type = SOC_TYPE_DANUBE; + i->compatible = COMP_TWINPASS; + break; + + case SOC_ID_ARX188: + case SOC_ID_ARX168_1: + case SOC_ID_ARX168_2: + case SOC_ID_ARX182: + i->name = SOC_AR9; + i->type = SOC_TYPE_AR9; + i->compatible = COMP_AR9; + break; + + case SOC_ID_GRX188: + case SOC_ID_GRX168: + i->name = SOC_GR9; + i->type = SOC_TYPE_AR9; + i->compatible = COMP_GR9; + break; + + case SOC_ID_AMAZON_SE_1: + case SOC_ID_AMAZON_SE_2: +#ifdef CONFIG_PCI + panic("ase is only supported for non pci kernels"); +#endif + i->name = SOC_AMAZON_SE; + i->type = SOC_TYPE_AMAZON_SE; + i->compatible = COMP_AMAZON_SE; + break; + + case SOC_ID_VRX282: + case SOC_ID_VRX268: + case SOC_ID_VRX288: + i->name = SOC_VR9; + i->type = SOC_TYPE_VR9; + i->compatible = COMP_VR9; + break; + + case SOC_ID_GRX268: + case SOC_ID_GRX288: + i->name = SOC_GR9; + i->type = SOC_TYPE_VR9; + i->compatible = COMP_GR9; + break; + + case SOC_ID_VRX268_2: + case SOC_ID_VRX288_2: + i->name = SOC_VR9; + i->type = SOC_TYPE_VR9_2; + i->compatible = COMP_VR9; + break; + + case SOC_ID_GRX282_2: + case SOC_ID_GRX288_2: + i->name = SOC_GR9; + i->type = SOC_TYPE_VR9_2; + i->compatible = COMP_GR9; + break; + + default: + unreachable(); + break; + } +} diff --git a/arch/mips/lantiq/xway/reset.c b/arch/mips/lantiq/xway/reset.c index 8b66bd87f0c..22c55f73aa9 100644 --- a/arch/mips/lantiq/xway/reset.c +++ b/arch/mips/lantiq/xway/reset.c @@ -11,26 +11,31 @@ #include <linux/ioport.h> #include <linux/pm.h> #include <linux/export.h> +#include <linux/delay.h> +#include <linux/of_address.h> +#include <linux/of_platform.h> + #include <asm/reboot.h> #include <lantiq_soc.h> +#include "../prom.h" + #define ltq_rcu_w32(x, y) ltq_w32((x), ltq_rcu_membase + (y)) #define ltq_rcu_r32(x) ltq_r32(ltq_rcu_membase + (x)) -/* register definitions */ -#define LTQ_RCU_RST 0x0010 -#define LTQ_RCU_RST_ALL 0x40000000 - -#define LTQ_RCU_RST_STAT 0x0014 -#define LTQ_RCU_STAT_SHIFT 26 +/* reset request register */ +#define RCU_RST_REQ 0x0010 +/* reset status register */ +#define RCU_RST_STAT 0x0014 -static struct resource ltq_rcu_resource = { - .name = "rcu", - .start = LTQ_RCU_BASE_ADDR, - .end = LTQ_RCU_BASE_ADDR + LTQ_RCU_SIZE - 1, - .flags = IORESOURCE_MEM, -}; +/* reboot bit */ +#define RCU_RD_SRST BIT(30) +/* reset cause */ +#define RCU_STAT_SHIFT 26 +/* boot selection */ +#define RCU_BOOT_SEL_SHIFT 26 +#define RCU_BOOT_SEL_MASK 0x7 /* remapped base addr of the reset control unit */ static void __iomem *ltq_rcu_membase; @@ -38,48 +43,64 @@ static void __iomem *ltq_rcu_membase; /* This function is used by the watchdog driver */ int ltq_reset_cause(void) { - u32 val = ltq_rcu_r32(LTQ_RCU_RST_STAT); - return val >> LTQ_RCU_STAT_SHIFT; + u32 val = ltq_rcu_r32(RCU_RST_STAT); + return val >> RCU_STAT_SHIFT; } EXPORT_SYMBOL_GPL(ltq_reset_cause); +/* allow platform code to find out what source we booted from */ +unsigned char ltq_boot_select(void) +{ + u32 val = ltq_rcu_r32(RCU_RST_STAT); + return (val >> RCU_BOOT_SEL_SHIFT) & RCU_BOOT_SEL_MASK; +} + +/* reset a io domain for u micro seconds */ +void ltq_reset_once(unsigned int module, ulong u) +{ + ltq_rcu_w32(ltq_rcu_r32(RCU_RST_REQ) | module, RCU_RST_REQ); + udelay(u); + ltq_rcu_w32(ltq_rcu_r32(RCU_RST_REQ) & ~module, RCU_RST_REQ); +} + static void ltq_machine_restart(char *command) { - pr_notice("System restart\n"); local_irq_disable(); - ltq_rcu_w32(ltq_rcu_r32(LTQ_RCU_RST) | LTQ_RCU_RST_ALL, LTQ_RCU_RST); + ltq_rcu_w32(ltq_rcu_r32(RCU_RST_REQ) | RCU_RD_SRST, RCU_RST_REQ); unreachable(); } static void ltq_machine_halt(void) { - pr_notice("System halted.\n"); local_irq_disable(); unreachable(); } static void ltq_machine_power_off(void) { - pr_notice("Please turn off the power now.\n"); local_irq_disable(); unreachable(); } static int __init mips_reboot_setup(void) { - /* insert and request the memory region */ - if (insert_resource(&iomem_resource, <q_rcu_resource) < 0) - panic("Failed to insert rcu memory"); + struct resource res; + struct device_node *np = + of_find_compatible_node(NULL, NULL, "lantiq,rcu-xway"); + + /* check if all the reset register range is available */ + if (!np) + panic("Failed to load reset resources from devicetree"); + + if (of_address_to_resource(np, 0, &res)) + panic("Failed to get rcu memory range"); - if (request_mem_region(ltq_rcu_resource.start, - resource_size(<q_rcu_resource), "rcu") < 0) - panic("Failed to request rcu memory"); + if (request_mem_region(res.start, resource_size(&res), res.name) < 0) + pr_err("Failed to request rcu memory"); - /* remap rcu register range */ - ltq_rcu_membase = ioremap_nocache(ltq_rcu_resource.start, - resource_size(<q_rcu_resource)); + ltq_rcu_membase = ioremap_nocache(res.start, resource_size(&res)); if (!ltq_rcu_membase) - panic("Failed to remap rcu memory"); + panic("Failed to remap core memory"); _machine_restart = ltq_machine_restart; _machine_halt = ltq_machine_halt; diff --git a/arch/mips/lantiq/xway/setup-ase.c b/arch/mips/lantiq/xway/setup-ase.c deleted file mode 100644 index f6f326798a3..00000000000 --- a/arch/mips/lantiq/xway/setup-ase.c +++ /dev/null @@ -1,19 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published - * by the Free Software Foundation. - * - * Copyright (C) 2011 John Crispin <blogic@openwrt.org> - */ - -#include <lantiq_soc.h> - -#include "../prom.h" -#include "devices.h" - -void __init ltq_soc_setup(void) -{ - ltq_register_ase_asc(); - ltq_register_gpio(); - ltq_register_wdt(); -} diff --git a/arch/mips/lantiq/xway/setup-xway.c b/arch/mips/lantiq/xway/setup-xway.c deleted file mode 100644 index c292f643a85..00000000000 --- a/arch/mips/lantiq/xway/setup-xway.c +++ /dev/null @@ -1,20 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published - * by the Free Software Foundation. - * - * Copyright (C) 2011 John Crispin <blogic@openwrt.org> - */ - -#include <lantiq_soc.h> - -#include "../prom.h" -#include "devices.h" - -void __init ltq_soc_setup(void) -{ - ltq_register_asc(0); - ltq_register_asc(1); - ltq_register_gpio(); - ltq_register_wdt(); -} diff --git a/arch/mips/lantiq/xway/sysctrl.c b/arch/mips/lantiq/xway/sysctrl.c new file mode 100644 index 00000000000..83780f7c842 --- /dev/null +++ b/arch/mips/lantiq/xway/sysctrl.c @@ -0,0 +1,371 @@ +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation. + * + * Copyright (C) 2011-2012 John Crispin <blogic@openwrt.org> + */ + +#include <linux/ioport.h> +#include <linux/export.h> +#include <linux/clkdev.h> +#include <linux/of.h> +#include <linux/of_platform.h> +#include <linux/of_address.h> + +#include <lantiq_soc.h> + +#include "../clk.h" +#include "../prom.h" + +/* clock control register */ +#define CGU_IFCCR 0x0018 +/* system clock register */ +#define CGU_SYS 0x0010 +/* pci control register */ +#define CGU_PCICR 0x0034 +/* ephy configuration register */ +#define CGU_EPHY 0x10 +/* power control register */ +#define PMU_PWDCR 0x1C +/* power status register */ +#define PMU_PWDSR 0x20 +/* power control register */ +#define PMU_PWDCR1 0x24 +/* power status register */ +#define PMU_PWDSR1 0x28 +/* power control register */ +#define PWDCR(x) ((x) ? (PMU_PWDCR1) : (PMU_PWDCR)) +/* power status register */ +#define PWDSR(x) ((x) ? (PMU_PWDSR1) : (PMU_PWDSR)) + +/* clock gates that we can en/disable */ +#define PMU_USB0_P BIT(0) +#define PMU_PCI BIT(4) +#define PMU_DMA BIT(5) +#define PMU_USB0 BIT(6) +#define PMU_ASC0 BIT(7) +#define PMU_EPHY BIT(7) /* ase */ +#define PMU_SPI BIT(8) +#define PMU_DFE BIT(9) +#define PMU_EBU BIT(10) +#define PMU_STP BIT(11) +#define PMU_GPT BIT(12) +#define PMU_AHBS BIT(13) /* vr9 */ +#define PMU_FPI BIT(14) +#define PMU_AHBM BIT(15) +#define PMU_ASC1 BIT(17) +#define PMU_PPE_QSB BIT(18) +#define PMU_PPE_SLL01 BIT(19) +#define PMU_PPE_TC BIT(21) +#define PMU_PPE_EMA BIT(22) +#define PMU_PPE_DPLUM BIT(23) +#define PMU_PPE_DPLUS BIT(24) +#define PMU_USB1_P BIT(26) +#define PMU_USB1 BIT(27) +#define PMU_SWITCH BIT(28) +#define PMU_PPE_TOP BIT(29) +#define PMU_GPHY BIT(30) +#define PMU_PCIE_CLK BIT(31) + +#define PMU1_PCIE_PHY BIT(0) +#define PMU1_PCIE_CTL BIT(1) +#define PMU1_PCIE_PDI BIT(4) +#define PMU1_PCIE_MSI BIT(5) + +#define pmu_w32(x, y) ltq_w32((x), pmu_membase + (y)) +#define pmu_r32(x) ltq_r32(pmu_membase + (x)) + +static void __iomem *pmu_membase; +void __iomem *ltq_cgu_membase; +void __iomem *ltq_ebu_membase; + +/* legacy function kept alive to ease clkdev transition */ +void ltq_pmu_enable(unsigned int module) +{ + int err = 1000000; + + pmu_w32(pmu_r32(PMU_PWDCR) & ~module, PMU_PWDCR); + do {} while (--err && (pmu_r32(PMU_PWDSR) & module)); + + if (!err) + panic("activating PMU module failed!"); +} +EXPORT_SYMBOL(ltq_pmu_enable); + +/* legacy function kept alive to ease clkdev transition */ +void ltq_pmu_disable(unsigned int module) +{ + pmu_w32(pmu_r32(PMU_PWDCR) | module, PMU_PWDCR); +} +EXPORT_SYMBOL(ltq_pmu_disable); + +/* enable a hw clock */ +static int cgu_enable(struct clk *clk) +{ + ltq_cgu_w32(ltq_cgu_r32(CGU_IFCCR) | clk->bits, CGU_IFCCR); + return 0; +} + +/* disable a hw clock */ +static void cgu_disable(struct clk *clk) +{ + ltq_cgu_w32(ltq_cgu_r32(CGU_IFCCR) & ~clk->bits, CGU_IFCCR); +} + +/* enable a clock gate */ +static int pmu_enable(struct clk *clk) +{ + int retry = 1000000; + + pmu_w32(pmu_r32(PWDCR(clk->module)) & ~clk->bits, + PWDCR(clk->module)); + do {} while (--retry && (pmu_r32(PWDSR(clk->module)) & clk->bits)); + + if (!retry) + panic("activating PMU module failed!\n"); + + return 0; +} + +/* disable a clock gate */ +static void pmu_disable(struct clk *clk) +{ + pmu_w32(pmu_r32(PWDCR(clk->module)) | clk->bits, + PWDCR(clk->module)); +} + +/* the pci enable helper */ +static int pci_enable(struct clk *clk) +{ + unsigned int ifccr = ltq_cgu_r32(CGU_IFCCR); + /* set bus clock speed */ + if (of_machine_is_compatible("lantiq,ar9")) { + ifccr &= ~0x1f00000; + if (clk->rate == CLOCK_33M) + ifccr |= 0xe00000; + else + ifccr |= 0x700000; /* 62.5M */ + } else { + ifccr &= ~0xf00000; + if (clk->rate == CLOCK_33M) + ifccr |= 0x800000; + else + ifccr |= 0x400000; /* 62.5M */ + } + ltq_cgu_w32(ifccr, CGU_IFCCR); + pmu_enable(clk); + return 0; +} + +/* enable the external clock as a source */ +static int pci_ext_enable(struct clk *clk) +{ + ltq_cgu_w32(ltq_cgu_r32(CGU_IFCCR) & ~(1 << 16), + CGU_IFCCR); + ltq_cgu_w32((1 << 30), CGU_PCICR); + return 0; +} + +/* disable the external clock as a source */ +static void pci_ext_disable(struct clk *clk) +{ + ltq_cgu_w32(ltq_cgu_r32(CGU_IFCCR) | (1 << 16), + CGU_IFCCR); + ltq_cgu_w32((1 << 31) | (1 << 30), CGU_PCICR); +} + +/* enable a clockout source */ +static int clkout_enable(struct clk *clk) +{ + int i; + + /* get the correct rate */ + for (i = 0; i < 4; i++) { + if (clk->rates[i] == clk->rate) { + int shift = 14 - (2 * clk->module); + unsigned int ifccr = ltq_cgu_r32(CGU_IFCCR); + + ifccr &= ~(3 << shift); + ifccr |= i << shift; + ltq_cgu_w32(ifccr, CGU_IFCCR); + return 0; + } + } + return -1; +} + +/* manage the clock gates via PMU */ +static void clkdev_add_pmu(const char *dev, const char *con, + unsigned int module, unsigned int bits) +{ + struct clk *clk = kzalloc(sizeof(struct clk), GFP_KERNEL); + + clk->cl.dev_id = dev; + clk->cl.con_id = con; + clk->cl.clk = clk; + clk->enable = pmu_enable; + clk->disable = pmu_disable; + clk->module = module; + clk->bits = bits; + clkdev_add(&clk->cl); +} + +/* manage the clock generator */ +static void clkdev_add_cgu(const char *dev, const char *con, + unsigned int bits) +{ + struct clk *clk = kzalloc(sizeof(struct clk), GFP_KERNEL); + + clk->cl.dev_id = dev; + clk->cl.con_id = con; + clk->cl.clk = clk; + clk->enable = cgu_enable; + clk->disable = cgu_disable; + clk->bits = bits; + clkdev_add(&clk->cl); +} + +/* pci needs its own enable function as the setup is a bit more complex */ +static unsigned long valid_pci_rates[] = {CLOCK_33M, CLOCK_62_5M, 0}; + +static void clkdev_add_pci(void) +{ + struct clk *clk = kzalloc(sizeof(struct clk), GFP_KERNEL); + struct clk *clk_ext = kzalloc(sizeof(struct clk), GFP_KERNEL); + + /* main pci clock */ + clk->cl.dev_id = "17000000.pci"; + clk->cl.con_id = NULL; + clk->cl.clk = clk; + clk->rate = CLOCK_33M; + clk->rates = valid_pci_rates; + clk->enable = pci_enable; + clk->disable = pmu_disable; + clk->module = 0; + clk->bits = PMU_PCI; + clkdev_add(&clk->cl); + + /* use internal/external bus clock */ + clk_ext->cl.dev_id = "17000000.pci"; + clk_ext->cl.con_id = "external"; + clk_ext->cl.clk = clk_ext; + clk_ext->enable = pci_ext_enable; + clk_ext->disable = pci_ext_disable; + clkdev_add(&clk_ext->cl); +} + +/* xway socs can generate clocks on gpio pins */ +static unsigned long valid_clkout_rates[4][5] = { + {CLOCK_32_768K, CLOCK_1_536M, CLOCK_2_5M, CLOCK_12M, 0}, + {CLOCK_40M, CLOCK_12M, CLOCK_24M, CLOCK_48M, 0}, + {CLOCK_25M, CLOCK_40M, CLOCK_30M, CLOCK_60M, 0}, + {CLOCK_12M, CLOCK_50M, CLOCK_32_768K, CLOCK_25M, 0}, +}; + +static void clkdev_add_clkout(void) +{ + int i; + + for (i = 0; i < 4; i++) { + struct clk *clk; + char *name; + + name = kzalloc(sizeof("clkout0"), GFP_KERNEL); + sprintf(name, "clkout%d", i); + + clk = kzalloc(sizeof(struct clk), GFP_KERNEL); + clk->cl.dev_id = "1f103000.cgu"; + clk->cl.con_id = name; + clk->cl.clk = clk; + clk->rate = 0; + clk->rates = valid_clkout_rates[i]; + clk->enable = clkout_enable; + clk->module = i; + clkdev_add(&clk->cl); + } +} + +/* bring up all register ranges that we need for basic system control */ +void __init ltq_soc_init(void) +{ + struct resource res_pmu, res_cgu, res_ebu; + struct device_node *np_pmu = + of_find_compatible_node(NULL, NULL, "lantiq,pmu-xway"); + struct device_node *np_cgu = + of_find_compatible_node(NULL, NULL, "lantiq,cgu-xway"); + struct device_node *np_ebu = + of_find_compatible_node(NULL, NULL, "lantiq,ebu-xway"); + + /* check if all the core register ranges are available */ + if (!np_pmu || !np_cgu || !np_ebu) + panic("Failed to load core nodess from devicetree"); + + if (of_address_to_resource(np_pmu, 0, &res_pmu) || + of_address_to_resource(np_cgu, 0, &res_cgu) || + of_address_to_resource(np_ebu, 0, &res_ebu)) + panic("Failed to get core resources"); + + if ((request_mem_region(res_pmu.start, resource_size(&res_pmu), + res_pmu.name) < 0) || + (request_mem_region(res_cgu.start, resource_size(&res_cgu), + res_cgu.name) < 0) || + (request_mem_region(res_ebu.start, resource_size(&res_ebu), + res_ebu.name) < 0)) + pr_err("Failed to request core reources"); + + pmu_membase = ioremap_nocache(res_pmu.start, resource_size(&res_pmu)); + ltq_cgu_membase = ioremap_nocache(res_cgu.start, + resource_size(&res_cgu)); + ltq_ebu_membase = ioremap_nocache(res_ebu.start, + resource_size(&res_ebu)); + if (!pmu_membase || !ltq_cgu_membase || !ltq_ebu_membase) + panic("Failed to remap core resources"); + + /* make sure to unprotect the memory region where flash is located */ + ltq_ebu_w32(ltq_ebu_r32(LTQ_EBU_BUSCON0) & ~EBU_WRDIS, LTQ_EBU_BUSCON0); + + /* add our generic xway clocks */ + clkdev_add_pmu("10000000.fpi", NULL, 0, PMU_FPI); + clkdev_add_pmu("1e100400.serial", NULL, 0, PMU_ASC0); + clkdev_add_pmu("1e100a00.gptu", NULL, 0, PMU_GPT); + clkdev_add_pmu("1e100bb0.stp", NULL, 0, PMU_STP); + clkdev_add_pmu("1e104100.dma", NULL, 0, PMU_DMA); + clkdev_add_pmu("1e100800.spi", NULL, 0, PMU_SPI); + clkdev_add_pmu("1e105300.ebu", NULL, 0, PMU_EBU); + clkdev_add_clkout(); + + /* add the soc dependent clocks */ + if (!of_machine_is_compatible("lantiq,vr9")) + clkdev_add_pmu("1e180000.etop", NULL, 0, PMU_PPE); + + if (!of_machine_is_compatible("lantiq,ase")) { + clkdev_add_pmu("1e100c00.serial", NULL, 0, PMU_ASC1); + clkdev_add_pci(); + } + + if (of_machine_is_compatible("lantiq,ase")) { + if (ltq_cgu_r32(CGU_SYS) & (1 << 5)) + clkdev_add_static(CLOCK_266M, CLOCK_133M, CLOCK_133M); + else + clkdev_add_static(CLOCK_133M, CLOCK_133M, CLOCK_133M); + clkdev_add_cgu("1e180000.etop", "ephycgu", CGU_EPHY), + clkdev_add_pmu("1e180000.etop", "ephy", 0, PMU_EPHY); + } else if (of_machine_is_compatible("lantiq,vr9")) { + clkdev_add_static(ltq_vr9_cpu_hz(), ltq_vr9_fpi_hz(), + ltq_vr9_fpi_hz()); + clkdev_add_pmu("1d900000.pcie", "phy", 1, PMU1_PCIE_PHY); + clkdev_add_pmu("1d900000.pcie", "bus", 0, PMU_PCIE_CLK); + clkdev_add_pmu("1d900000.pcie", "msi", 1, PMU1_PCIE_MSI); + clkdev_add_pmu("1d900000.pcie", "pdi", 1, PMU1_PCIE_PDI); + clkdev_add_pmu("1d900000.pcie", "ctl", 1, PMU1_PCIE_CTL); + clkdev_add_pmu("1d900000.pcie", "ahb", 0, PMU_AHBM | PMU_AHBS); + } else if (of_machine_is_compatible("lantiq,ar9")) { + clkdev_add_static(ltq_ar9_cpu_hz(), ltq_ar9_fpi_hz(), + ltq_ar9_fpi_hz()); + clkdev_add_pmu("1e180000.etop", "switch", 0, PMU_SWITCH); + } else { + clkdev_add_static(ltq_danube_cpu_hz(), ltq_danube_fpi_hz(), + ltq_danube_fpi_hz()); + } +} diff --git a/arch/mips/mm/c-octeon.c b/arch/mips/mm/c-octeon.c index 47037ec5589..44e69e7a451 100644 --- a/arch/mips/mm/c-octeon.c +++ b/arch/mips/mm/c-octeon.c @@ -21,6 +21,7 @@ #include <asm/page.h> #include <asm/pgtable.h> #include <asm/r4kcache.h> +#include <asm/traps.h> #include <asm/mmu_context.h> #include <asm/war.h> @@ -248,6 +249,11 @@ static void __cpuinit probe_octeon(void) } } +static void __cpuinit octeon_cache_error_setup(void) +{ + extern char except_vec2_octeon; + set_handler(0x100, &except_vec2_octeon, 0x80); +} /** * Setup the Octeon cache flush routines @@ -255,12 +261,6 @@ static void __cpuinit probe_octeon(void) */ void __cpuinit octeon_cache_init(void) { - extern unsigned long ebase; - extern char except_vec2_octeon; - - memcpy((void *)(ebase + 0x100), &except_vec2_octeon, 0x80); - octeon_flush_cache_sigtramp(ebase + 0x100); - probe_octeon(); shm_align_mask = PAGE_SIZE - 1; @@ -280,6 +280,8 @@ void __cpuinit octeon_cache_init(void) build_clear_page(); build_copy_page(); + + board_cache_error_setup = octeon_cache_error_setup; } /** diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c index bda8eb26ece..5109be96d98 100644 --- a/arch/mips/mm/c-r4k.c +++ b/arch/mips/mm/c-r4k.c @@ -32,7 +32,7 @@ #include <asm/mmu_context.h> #include <asm/war.h> #include <asm/cacheflush.h> /* for run_uncached() */ - +#include <asm/traps.h> /* * Special Variant of smp_call_function for use by cache functions: @@ -1385,10 +1385,8 @@ static int __init setcoherentio(char *str) __setup("coherentio", setcoherentio); #endif -void __cpuinit r4k_cache_init(void) +static void __cpuinit r4k_cache_error_setup(void) { - extern void build_clear_page(void); - extern void build_copy_page(void); extern char __weak except_vec2_generic; extern char __weak except_vec2_sb1; struct cpuinfo_mips *c = ¤t_cpu_data; @@ -1403,6 +1401,13 @@ void __cpuinit r4k_cache_init(void) set_uncached_handler(0x100, &except_vec2_generic, 0x80); break; } +} + +void __cpuinit r4k_cache_init(void) +{ + extern void build_clear_page(void); + extern void build_copy_page(void); + struct cpuinfo_mips *c = ¤t_cpu_data; probe_pcache(); setup_scache(); @@ -1465,4 +1470,5 @@ void __cpuinit r4k_cache_init(void) local_r4k___flush_cache_all(NULL); #endif coherency_setup(); + board_cache_error_setup = r4k_cache_error_setup; } diff --git a/arch/mips/oprofile/Makefile b/arch/mips/oprofile/Makefile index 29f2f13eb31..1208c280f77 100644 --- a/arch/mips/oprofile/Makefile +++ b/arch/mips/oprofile/Makefile @@ -1,5 +1,3 @@ -ccflags-y := -Werror - obj-$(CONFIG_OPROFILE) += oprofile.o DRIVER_OBJS = $(addprefix ../../../drivers/oprofile/, \ diff --git a/arch/mips/oprofile/op_model_mipsxx.c b/arch/mips/oprofile/op_model_mipsxx.c index 54759f1669d..baba3bcaa3c 100644 --- a/arch/mips/oprofile/op_model_mipsxx.c +++ b/arch/mips/oprofile/op_model_mipsxx.c @@ -298,6 +298,11 @@ static void reset_counters(void *arg) } } +static irqreturn_t mipsxx_perfcount_int(int irq, void *dev_id) +{ + return mipsxx_perfcount_handler(); +} + static int __init mipsxx_init(void) { int counters; @@ -374,6 +379,10 @@ static int __init mipsxx_init(void) save_perf_irq = perf_irq; perf_irq = mipsxx_perfcount_handler; + if ((cp0_perfcount_irq >= 0) && (cp0_compare_irq != cp0_perfcount_irq)) + return request_irq(cp0_perfcount_irq, mipsxx_perfcount_int, + 0, "Perfcounter", save_perf_irq); + return 0; } @@ -381,6 +390,9 @@ static void mipsxx_exit(void) { int counters = op_model_mipsxx_ops.num_counters; + if ((cp0_perfcount_irq >= 0) && (cp0_compare_irq != cp0_perfcount_irq)) + free_irq(cp0_perfcount_irq, save_perf_irq); + counters = counters_per_cpu_to_total(counters); on_each_cpu(reset_counters, (void *)(long)counters, 1); diff --git a/arch/mips/pci/Makefile b/arch/mips/pci/Makefile index c3ac4b086eb..c703f43a991 100644 --- a/arch/mips/pci/Makefile +++ b/arch/mips/pci/Makefile @@ -19,7 +19,8 @@ obj-$(CONFIG_BCM47XX) += pci-bcm47xx.o obj-$(CONFIG_BCM63XX) += pci-bcm63xx.o fixup-bcm63xx.o \ ops-bcm63xx.o obj-$(CONFIG_MIPS_ALCHEMY) += pci-alchemy.o -obj-$(CONFIG_SOC_AR724X) += pci-ath724x.o +obj-$(CONFIG_SOC_AR71XX) += pci-ar71xx.o +obj-$(CONFIG_PCI_AR724X) += pci-ar724x.o # # These are still pretty much in the old state, watch, go blind. @@ -41,7 +42,8 @@ obj-$(CONFIG_SIBYTE_SB1250) += fixup-sb1250.o pci-sb1250.o obj-$(CONFIG_SIBYTE_BCM112X) += fixup-sb1250.o pci-sb1250.o obj-$(CONFIG_SIBYTE_BCM1x80) += pci-bcm1480.o pci-bcm1480ht.o obj-$(CONFIG_SNI_RM) += fixup-sni.o ops-sni.o -obj-$(CONFIG_SOC_XWAY) += pci-lantiq.o ops-lantiq.o +obj-$(CONFIG_LANTIQ) += fixup-lantiq.o +obj-$(CONFIG_PCI_LANTIQ) += pci-lantiq.o ops-lantiq.o obj-$(CONFIG_TANBAC_TB0219) += fixup-tb0219.o obj-$(CONFIG_TANBAC_TB0226) += fixup-tb0226.o obj-$(CONFIG_TANBAC_TB0287) += fixup-tb0287.o diff --git a/arch/mips/pci/fixup-lantiq.c b/arch/mips/pci/fixup-lantiq.c new file mode 100644 index 00000000000..6c829df28dc --- /dev/null +++ b/arch/mips/pci/fixup-lantiq.c @@ -0,0 +1,40 @@ +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation. + * + * Copyright (C) 2012 John Crispin <blogic@openwrt.org> + */ + +#include <linux/of_irq.h> +#include <linux/of_pci.h> + +int (*ltq_pci_plat_arch_init)(struct pci_dev *dev) = NULL; +int (*ltq_pci_plat_dev_init)(struct pci_dev *dev) = NULL; + +int pcibios_plat_dev_init(struct pci_dev *dev) +{ + if (ltq_pci_plat_arch_init) + return ltq_pci_plat_arch_init(dev); + + if (ltq_pci_plat_dev_init) + return ltq_pci_plat_dev_init(dev); + + return 0; +} + +int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) +{ + struct of_irq dev_irq; + int irq; + + if (of_irq_map_pci(dev, &dev_irq)) { + dev_err(&dev->dev, "trying to map irq for unknown slot:%d pin:%d\n", + slot, pin); + return 0; + } + irq = irq_create_of_mapping(dev_irq.controller, dev_irq.specifier, + dev_irq.size); + dev_info(&dev->dev, "SLOT:%d PIN:%d IRQ:%d\n", slot, pin, irq); + return irq; +} diff --git a/arch/mips/pci/ops-loongson2.c b/arch/mips/pci/ops-loongson2.c index d657ee0bc13..afd221122d2 100644 --- a/arch/mips/pci/ops-loongson2.c +++ b/arch/mips/pci/ops-loongson2.c @@ -15,6 +15,7 @@ #include <linux/pci.h> #include <linux/kernel.h> #include <linux/init.h> +#include <linux/export.h> #include <loongson.h> diff --git a/arch/mips/pci/pci-ar71xx.c b/arch/mips/pci/pci-ar71xx.c new file mode 100644 index 00000000000..1552522b871 --- /dev/null +++ b/arch/mips/pci/pci-ar71xx.c @@ -0,0 +1,375 @@ +/* + * Atheros AR71xx PCI host controller driver + * + * Copyright (C) 2008-2011 Gabor Juhos <juhosg@openwrt.org> + * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org> + * + * Parts of this file are based on Atheros' 2.6.15 BSP + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation. + */ + +#include <linux/resource.h> +#include <linux/types.h> +#include <linux/delay.h> +#include <linux/bitops.h> +#include <linux/pci.h> +#include <linux/pci_regs.h> +#include <linux/interrupt.h> + +#include <asm/mach-ath79/ar71xx_regs.h> +#include <asm/mach-ath79/ath79.h> +#include <asm/mach-ath79/pci.h> + +#define AR71XX_PCI_MEM_BASE 0x10000000 +#define AR71XX_PCI_MEM_SIZE 0x08000000 + +#define AR71XX_PCI_WIN0_OFFS 0x10000000 +#define AR71XX_PCI_WIN1_OFFS 0x11000000 +#define AR71XX_PCI_WIN2_OFFS 0x12000000 +#define AR71XX_PCI_WIN3_OFFS 0x13000000 +#define AR71XX_PCI_WIN4_OFFS 0x14000000 +#define AR71XX_PCI_WIN5_OFFS 0x15000000 +#define AR71XX_PCI_WIN6_OFFS 0x16000000 +#define AR71XX_PCI_WIN7_OFFS 0x07000000 + +#define AR71XX_PCI_CFG_BASE \ + (AR71XX_PCI_MEM_BASE + AR71XX_PCI_WIN7_OFFS + 0x10000) +#define AR71XX_PCI_CFG_SIZE 0x100 + +#define AR71XX_PCI_REG_CRP_AD_CBE 0x00 +#define AR71XX_PCI_REG_CRP_WRDATA 0x04 +#define AR71XX_PCI_REG_CRP_RDDATA 0x08 +#define AR71XX_PCI_REG_CFG_AD 0x0c +#define AR71XX_PCI_REG_CFG_CBE 0x10 +#define AR71XX_PCI_REG_CFG_WRDATA 0x14 +#define AR71XX_PCI_REG_CFG_RDDATA 0x18 +#define AR71XX_PCI_REG_PCI_ERR 0x1c +#define AR71XX_PCI_REG_PCI_ERR_ADDR 0x20 +#define AR71XX_PCI_REG_AHB_ERR 0x24 +#define AR71XX_PCI_REG_AHB_ERR_ADDR 0x28 + +#define AR71XX_PCI_CRP_CMD_WRITE 0x00010000 +#define AR71XX_PCI_CRP_CMD_READ 0x00000000 +#define AR71XX_PCI_CFG_CMD_READ 0x0000000a +#define AR71XX_PCI_CFG_CMD_WRITE 0x0000000b + +#define AR71XX_PCI_INT_CORE BIT(4) +#define AR71XX_PCI_INT_DEV2 BIT(2) +#define AR71XX_PCI_INT_DEV1 BIT(1) +#define AR71XX_PCI_INT_DEV0 BIT(0) + +#define AR71XX_PCI_IRQ_COUNT 5 + +static DEFINE_SPINLOCK(ar71xx_pci_lock); +static void __iomem *ar71xx_pcicfg_base; + +/* Byte lane enable bits */ +static const u8 ar71xx_pci_ble_table[4][4] = { + {0x0, 0xf, 0xf, 0xf}, + {0xe, 0xd, 0xb, 0x7}, + {0xc, 0xf, 0x3, 0xf}, + {0xf, 0xf, 0xf, 0xf}, +}; + +static const u32 ar71xx_pci_read_mask[8] = { + 0, 0xff, 0xffff, 0, 0xffffffff, 0, 0, 0 +}; + +static inline u32 ar71xx_pci_get_ble(int where, int size, int local) +{ + u32 t; + + t = ar71xx_pci_ble_table[size & 3][where & 3]; + BUG_ON(t == 0xf); + t <<= (local) ? 20 : 4; + + return t; +} + +static inline u32 ar71xx_pci_bus_addr(struct pci_bus *bus, unsigned int devfn, + int where) +{ + u32 ret; + + if (!bus->number) { + /* type 0 */ + ret = (1 << PCI_SLOT(devfn)) | (PCI_FUNC(devfn) << 8) | + (where & ~3); + } else { + /* type 1 */ + ret = (bus->number << 16) | (PCI_SLOT(devfn) << 11) | + (PCI_FUNC(devfn) << 8) | (where & ~3) | 1; + } + + return ret; +} + +static int ar71xx_pci_check_error(int quiet) +{ + void __iomem *base = ar71xx_pcicfg_base; + u32 pci_err; + u32 ahb_err; + + pci_err = __raw_readl(base + AR71XX_PCI_REG_PCI_ERR) & 3; + if (pci_err) { + if (!quiet) { + u32 addr; + + addr = __raw_readl(base + AR71XX_PCI_REG_PCI_ERR_ADDR); + pr_crit("ar71xx: %s bus error %d at addr 0x%x\n", + "PCI", pci_err, addr); + } + + /* clear PCI error status */ + __raw_writel(pci_err, base + AR71XX_PCI_REG_PCI_ERR); + } + + ahb_err = __raw_readl(base + AR71XX_PCI_REG_AHB_ERR) & 1; + if (ahb_err) { + if (!quiet) { + u32 addr; + + addr = __raw_readl(base + AR71XX_PCI_REG_AHB_ERR_ADDR); + pr_crit("ar71xx: %s bus error %d at addr 0x%x\n", + "AHB", ahb_err, addr); + } + + /* clear AHB error status */ + __raw_writel(ahb_err, base + AR71XX_PCI_REG_AHB_ERR); + } + + return !!(ahb_err | pci_err); +} + +static inline void ar71xx_pci_local_write(int where, int size, u32 value) +{ + void __iomem *base = ar71xx_pcicfg_base; + u32 ad_cbe; + + value = value << (8 * (where & 3)); + + ad_cbe = AR71XX_PCI_CRP_CMD_WRITE | (where & ~3); + ad_cbe |= ar71xx_pci_get_ble(where, size, 1); + + __raw_writel(ad_cbe, base + AR71XX_PCI_REG_CRP_AD_CBE); + __raw_writel(value, base + AR71XX_PCI_REG_CRP_WRDATA); +} + +static inline int ar71xx_pci_set_cfgaddr(struct pci_bus *bus, + unsigned int devfn, + int where, int size, u32 cmd) +{ + void __iomem *base = ar71xx_pcicfg_base; + u32 addr; + + addr = ar71xx_pci_bus_addr(bus, devfn, where); + + __raw_writel(addr, base + AR71XX_PCI_REG_CFG_AD); + __raw_writel(cmd | ar71xx_pci_get_ble(where, size, 0), + base + AR71XX_PCI_REG_CFG_CBE); + + return ar71xx_pci_check_error(1); +} + +static int ar71xx_pci_read_config(struct pci_bus *bus, unsigned int devfn, + int where, int size, u32 *value) +{ + void __iomem *base = ar71xx_pcicfg_base; + unsigned long flags; + u32 data; + int err; + int ret; + + ret = PCIBIOS_SUCCESSFUL; + data = ~0; + + spin_lock_irqsave(&ar71xx_pci_lock, flags); + + err = ar71xx_pci_set_cfgaddr(bus, devfn, where, size, + AR71XX_PCI_CFG_CMD_READ); + if (err) + ret = PCIBIOS_DEVICE_NOT_FOUND; + else + data = __raw_readl(base + AR71XX_PCI_REG_CFG_RDDATA); + + spin_unlock_irqrestore(&ar71xx_pci_lock, flags); + + *value = (data >> (8 * (where & 3))) & ar71xx_pci_read_mask[size & 7]; + + return ret; +} + +static int ar71xx_pci_write_config(struct pci_bus *bus, unsigned int devfn, + int where, int size, u32 value) +{ + void __iomem *base = ar71xx_pcicfg_base; + unsigned long flags; + int err; + int ret; + + value = value << (8 * (where & 3)); + ret = PCIBIOS_SUCCESSFUL; + + spin_lock_irqsave(&ar71xx_pci_lock, flags); + + err = ar71xx_pci_set_cfgaddr(bus, devfn, where, size, + AR71XX_PCI_CFG_CMD_WRITE); + if (err) + ret = PCIBIOS_DEVICE_NOT_FOUND; + else + __raw_writel(value, base + AR71XX_PCI_REG_CFG_WRDATA); + + spin_unlock_irqrestore(&ar71xx_pci_lock, flags); + + return ret; +} + +static struct pci_ops ar71xx_pci_ops = { + .read = ar71xx_pci_read_config, + .write = ar71xx_pci_write_config, +}; + +static struct resource ar71xx_pci_io_resource = { + .name = "PCI IO space", + .start = 0, + .end = 0, + .flags = IORESOURCE_IO, +}; + +static struct resource ar71xx_pci_mem_resource = { + .name = "PCI memory space", + .start = AR71XX_PCI_MEM_BASE, + .end = AR71XX_PCI_MEM_BASE + AR71XX_PCI_MEM_SIZE - 1, + .flags = IORESOURCE_MEM +}; + +static struct pci_controller ar71xx_pci_controller = { + .pci_ops = &ar71xx_pci_ops, + .mem_resource = &ar71xx_pci_mem_resource, + .io_resource = &ar71xx_pci_io_resource, +}; + +static void ar71xx_pci_irq_handler(unsigned int irq, struct irq_desc *desc) +{ + void __iomem *base = ath79_reset_base; + u32 pending; + + pending = __raw_readl(base + AR71XX_RESET_REG_PCI_INT_STATUS) & + __raw_readl(base + AR71XX_RESET_REG_PCI_INT_ENABLE); + + if (pending & AR71XX_PCI_INT_DEV0) + generic_handle_irq(ATH79_PCI_IRQ(0)); + + else if (pending & AR71XX_PCI_INT_DEV1) + generic_handle_irq(ATH79_PCI_IRQ(1)); + + else if (pending & AR71XX_PCI_INT_DEV2) + generic_handle_irq(ATH79_PCI_IRQ(2)); + + else if (pending & AR71XX_PCI_INT_CORE) + generic_handle_irq(ATH79_PCI_IRQ(4)); + + else + spurious_interrupt(); +} + +static void ar71xx_pci_irq_unmask(struct irq_data *d) +{ + unsigned int irq = d->irq - ATH79_PCI_IRQ_BASE; + void __iomem *base = ath79_reset_base; + u32 t; + + t = __raw_readl(base + AR71XX_RESET_REG_PCI_INT_ENABLE); + __raw_writel(t | (1 << irq), base + AR71XX_RESET_REG_PCI_INT_ENABLE); + + /* flush write */ + __raw_readl(base + AR71XX_RESET_REG_PCI_INT_ENABLE); +} + +static void ar71xx_pci_irq_mask(struct irq_data *d) +{ + unsigned int irq = d->irq - ATH79_PCI_IRQ_BASE; + void __iomem *base = ath79_reset_base; + u32 t; + + t = __raw_readl(base + AR71XX_RESET_REG_PCI_INT_ENABLE); + __raw_writel(t & ~(1 << irq), base + AR71XX_RESET_REG_PCI_INT_ENABLE); + + /* flush write */ + __raw_readl(base + AR71XX_RESET_REG_PCI_INT_ENABLE); +} + +static struct irq_chip ar71xx_pci_irq_chip = { + .name = "AR71XX PCI", + .irq_mask = ar71xx_pci_irq_mask, + .irq_unmask = ar71xx_pci_irq_unmask, + .irq_mask_ack = ar71xx_pci_irq_mask, +}; + +static __init void ar71xx_pci_irq_init(void) +{ + void __iomem *base = ath79_reset_base; + int i; + + __raw_writel(0, base + AR71XX_RESET_REG_PCI_INT_ENABLE); + __raw_writel(0, base + AR71XX_RESET_REG_PCI_INT_STATUS); + + BUILD_BUG_ON(ATH79_PCI_IRQ_COUNT < AR71XX_PCI_IRQ_COUNT); + + for (i = ATH79_PCI_IRQ_BASE; + i < ATH79_PCI_IRQ_BASE + AR71XX_PCI_IRQ_COUNT; i++) + irq_set_chip_and_handler(i, &ar71xx_pci_irq_chip, + handle_level_irq); + + irq_set_chained_handler(ATH79_CPU_IRQ_IP2, ar71xx_pci_irq_handler); +} + +static __init void ar71xx_pci_reset(void) +{ + void __iomem *ddr_base = ath79_ddr_base; + + ath79_device_reset_set(AR71XX_RESET_PCI_BUS | AR71XX_RESET_PCI_CORE); + mdelay(100); + + ath79_device_reset_clear(AR71XX_RESET_PCI_BUS | AR71XX_RESET_PCI_CORE); + mdelay(100); + + __raw_writel(AR71XX_PCI_WIN0_OFFS, ddr_base + AR71XX_DDR_REG_PCI_WIN0); + __raw_writel(AR71XX_PCI_WIN1_OFFS, ddr_base + AR71XX_DDR_REG_PCI_WIN1); + __raw_writel(AR71XX_PCI_WIN2_OFFS, ddr_base + AR71XX_DDR_REG_PCI_WIN2); + __raw_writel(AR71XX_PCI_WIN3_OFFS, ddr_base + AR71XX_DDR_REG_PCI_WIN3); + __raw_writel(AR71XX_PCI_WIN4_OFFS, ddr_base + AR71XX_DDR_REG_PCI_WIN4); + __raw_writel(AR71XX_PCI_WIN5_OFFS, ddr_base + AR71XX_DDR_REG_PCI_WIN5); + __raw_writel(AR71XX_PCI_WIN6_OFFS, ddr_base + AR71XX_DDR_REG_PCI_WIN6); + __raw_writel(AR71XX_PCI_WIN7_OFFS, ddr_base + AR71XX_DDR_REG_PCI_WIN7); + + mdelay(100); +} + +__init int ar71xx_pcibios_init(void) +{ + u32 t; + + ar71xx_pcicfg_base = ioremap(AR71XX_PCI_CFG_BASE, AR71XX_PCI_CFG_SIZE); + if (ar71xx_pcicfg_base == NULL) + return -ENOMEM; + + ar71xx_pci_reset(); + + /* setup COMMAND register */ + t = PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER | PCI_COMMAND_INVALIDATE + | PCI_COMMAND_PARITY | PCI_COMMAND_SERR | PCI_COMMAND_FAST_BACK; + ar71xx_pci_local_write(PCI_COMMAND, 4, t); + + /* clear bus errors */ + ar71xx_pci_check_error(1); + + ar71xx_pci_irq_init(); + + register_pci_controller(&ar71xx_pci_controller); + + return 0; +} diff --git a/arch/mips/pci/pci-ar724x.c b/arch/mips/pci/pci-ar724x.c new file mode 100644 index 00000000000..414a7459858 --- /dev/null +++ b/arch/mips/pci/pci-ar724x.c @@ -0,0 +1,292 @@ +/* + * Atheros AR724X PCI host controller driver + * + * Copyright (C) 2011 René Bolldorf <xsecute@googlemail.com> + * Copyright (C) 2009-2011 Gabor Juhos <juhosg@openwrt.org> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation. + */ + +#include <linux/irq.h> +#include <linux/pci.h> +#include <asm/mach-ath79/ath79.h> +#include <asm/mach-ath79/ar71xx_regs.h> +#include <asm/mach-ath79/pci.h> + +#define AR724X_PCI_CFG_BASE 0x14000000 +#define AR724X_PCI_CFG_SIZE 0x1000 +#define AR724X_PCI_CTRL_BASE (AR71XX_APB_BASE + 0x000f0000) +#define AR724X_PCI_CTRL_SIZE 0x100 + +#define AR724X_PCI_MEM_BASE 0x10000000 +#define AR724X_PCI_MEM_SIZE 0x08000000 + +#define AR724X_PCI_REG_INT_STATUS 0x4c +#define AR724X_PCI_REG_INT_MASK 0x50 + +#define AR724X_PCI_INT_DEV0 BIT(14) + +#define AR724X_PCI_IRQ_COUNT 1 + +#define AR7240_BAR0_WAR_VALUE 0xffff + +static DEFINE_SPINLOCK(ar724x_pci_lock); +static void __iomem *ar724x_pci_devcfg_base; +static void __iomem *ar724x_pci_ctrl_base; + +static u32 ar724x_pci_bar0_value; +static bool ar724x_pci_bar0_is_cached; + +static int ar724x_pci_read(struct pci_bus *bus, unsigned int devfn, int where, + int size, uint32_t *value) +{ + unsigned long flags; + void __iomem *base; + u32 data; + + if (devfn) + return PCIBIOS_DEVICE_NOT_FOUND; + + base = ar724x_pci_devcfg_base; + + spin_lock_irqsave(&ar724x_pci_lock, flags); + data = __raw_readl(base + (where & ~3)); + + switch (size) { + case 1: + if (where & 1) + data >>= 8; + if (where & 2) + data >>= 16; + data &= 0xff; + break; + case 2: + if (where & 2) + data >>= 16; + data &= 0xffff; + break; + case 4: + break; + default: + spin_unlock_irqrestore(&ar724x_pci_lock, flags); + + return PCIBIOS_BAD_REGISTER_NUMBER; + } + + spin_unlock_irqrestore(&ar724x_pci_lock, flags); + + if (where == PCI_BASE_ADDRESS_0 && size == 4 && + ar724x_pci_bar0_is_cached) { + /* use the cached value */ + *value = ar724x_pci_bar0_value; + } else { + *value = data; + } + + return PCIBIOS_SUCCESSFUL; +} + +static int ar724x_pci_write(struct pci_bus *bus, unsigned int devfn, int where, + int size, uint32_t value) +{ + unsigned long flags; + void __iomem *base; + u32 data; + int s; + + if (devfn) + return PCIBIOS_DEVICE_NOT_FOUND; + + if (soc_is_ar7240() && where == PCI_BASE_ADDRESS_0 && size == 4) { + if (value != 0xffffffff) { + /* + * WAR for a hw issue. If the BAR0 register of the + * device is set to the proper base address, the + * memory space of the device is not accessible. + * + * Cache the intended value so it can be read back, + * and write a SoC specific constant value to the + * BAR0 register in order to make the device memory + * accessible. + */ + ar724x_pci_bar0_is_cached = true; + ar724x_pci_bar0_value = value; + + value = AR7240_BAR0_WAR_VALUE; + } else { + ar724x_pci_bar0_is_cached = false; + } + } + + base = ar724x_pci_devcfg_base; + + spin_lock_irqsave(&ar724x_pci_lock, flags); + data = __raw_readl(base + (where & ~3)); + + switch (size) { + case 1: + s = ((where & 3) * 8); + data &= ~(0xff << s); + data |= ((value & 0xff) << s); + break; + case 2: + s = ((where & 2) * 8); + data &= ~(0xffff << s); + data |= ((value & 0xffff) << s); + break; + case 4: + data = value; + break; + default: + spin_unlock_irqrestore(&ar724x_pci_lock, flags); + + return PCIBIOS_BAD_REGISTER_NUMBER; + } + + __raw_writel(data, base + (where & ~3)); + /* flush write */ + __raw_readl(base + (where & ~3)); + spin_unlock_irqrestore(&ar724x_pci_lock, flags); + + return PCIBIOS_SUCCESSFUL; +} + +static struct pci_ops ar724x_pci_ops = { + .read = ar724x_pci_read, + .write = ar724x_pci_write, +}; + +static struct resource ar724x_io_resource = { + .name = "PCI IO space", + .start = 0, + .end = 0, + .flags = IORESOURCE_IO, +}; + +static struct resource ar724x_mem_resource = { + .name = "PCI memory space", + .start = AR724X_PCI_MEM_BASE, + .end = AR724X_PCI_MEM_BASE + AR724X_PCI_MEM_SIZE - 1, + .flags = IORESOURCE_MEM, +}; + +static struct pci_controller ar724x_pci_controller = { + .pci_ops = &ar724x_pci_ops, + .io_resource = &ar724x_io_resource, + .mem_resource = &ar724x_mem_resource, +}; + +static void ar724x_pci_irq_handler(unsigned int irq, struct irq_desc *desc) +{ + void __iomem *base; + u32 pending; + + base = ar724x_pci_ctrl_base; + + pending = __raw_readl(base + AR724X_PCI_REG_INT_STATUS) & + __raw_readl(base + AR724X_PCI_REG_INT_MASK); + + if (pending & AR724X_PCI_INT_DEV0) + generic_handle_irq(ATH79_PCI_IRQ(0)); + + else + spurious_interrupt(); +} + +static void ar724x_pci_irq_unmask(struct irq_data *d) +{ + void __iomem *base; + u32 t; + + base = ar724x_pci_ctrl_base; + + switch (d->irq) { + case ATH79_PCI_IRQ(0): + t = __raw_readl(base + AR724X_PCI_REG_INT_MASK); + __raw_writel(t | AR724X_PCI_INT_DEV0, + base + AR724X_PCI_REG_INT_MASK); + /* flush write */ + __raw_readl(base + AR724X_PCI_REG_INT_MASK); + } +} + +static void ar724x_pci_irq_mask(struct irq_data *d) +{ + void __iomem *base; + u32 t; + + base = ar724x_pci_ctrl_base; + + switch (d->irq) { + case ATH79_PCI_IRQ(0): + t = __raw_readl(base + AR724X_PCI_REG_INT_MASK); + __raw_writel(t & ~AR724X_PCI_INT_DEV0, + base + AR724X_PCI_REG_INT_MASK); + + /* flush write */ + __raw_readl(base + AR724X_PCI_REG_INT_MASK); + + t = __raw_readl(base + AR724X_PCI_REG_INT_STATUS); + __raw_writel(t | AR724X_PCI_INT_DEV0, + base + AR724X_PCI_REG_INT_STATUS); + + /* flush write */ + __raw_readl(base + AR724X_PCI_REG_INT_STATUS); + } +} + +static struct irq_chip ar724x_pci_irq_chip = { + .name = "AR724X PCI ", + .irq_mask = ar724x_pci_irq_mask, + .irq_unmask = ar724x_pci_irq_unmask, + .irq_mask_ack = ar724x_pci_irq_mask, +}; + +static void __init ar724x_pci_irq_init(int irq) +{ + void __iomem *base; + int i; + + base = ar724x_pci_ctrl_base; + + __raw_writel(0, base + AR724X_PCI_REG_INT_MASK); + __raw_writel(0, base + AR724X_PCI_REG_INT_STATUS); + + BUILD_BUG_ON(ATH79_PCI_IRQ_COUNT < AR724X_PCI_IRQ_COUNT); + + for (i = ATH79_PCI_IRQ_BASE; + i < ATH79_PCI_IRQ_BASE + AR724X_PCI_IRQ_COUNT; i++) + irq_set_chip_and_handler(i, &ar724x_pci_irq_chip, + handle_level_irq); + + irq_set_chained_handler(irq, ar724x_pci_irq_handler); +} + +int __init ar724x_pcibios_init(int irq) +{ + int ret; + + ret = -ENOMEM; + + ar724x_pci_devcfg_base = ioremap(AR724X_PCI_CFG_BASE, + AR724X_PCI_CFG_SIZE); + if (ar724x_pci_devcfg_base == NULL) + goto err; + + ar724x_pci_ctrl_base = ioremap(AR724X_PCI_CTRL_BASE, + AR724X_PCI_CTRL_SIZE); + if (ar724x_pci_ctrl_base == NULL) + goto err_unmap_devcfg; + + ar724x_pci_irq_init(irq); + register_pci_controller(&ar724x_pci_controller); + + return PCIBIOS_SUCCESSFUL; + +err_unmap_devcfg: + iounmap(ar724x_pci_devcfg_base); +err: + return ret; +} diff --git a/arch/mips/pci/pci-ath724x.c b/arch/mips/pci/pci-ath724x.c deleted file mode 100644 index a4dd24a4130..00000000000 --- a/arch/mips/pci/pci-ath724x.c +++ /dev/null @@ -1,174 +0,0 @@ -/* - * Atheros 724x PCI support - * - * Copyright (C) 2011 René Bolldorf <xsecute@googlemail.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published - * by the Free Software Foundation. - */ - -#include <linux/pci.h> -#include <asm/mach-ath79/pci-ath724x.h> - -#define reg_read(_phys) (*(unsigned int *) KSEG1ADDR(_phys)) -#define reg_write(_phys, _val) ((*(unsigned int *) KSEG1ADDR(_phys)) = (_val)) - -#define ATH724X_PCI_DEV_BASE 0x14000000 -#define ATH724X_PCI_MEM_BASE 0x10000000 -#define ATH724X_PCI_MEM_SIZE 0x08000000 - -static DEFINE_SPINLOCK(ath724x_pci_lock); -static struct ath724x_pci_data *pci_data; -static int pci_data_size; - -static int ath724x_pci_read(struct pci_bus *bus, unsigned int devfn, int where, - int size, uint32_t *value) -{ - unsigned long flags, addr, tval, mask; - - if (devfn) - return PCIBIOS_DEVICE_NOT_FOUND; - - if (where & (size - 1)) - return PCIBIOS_BAD_REGISTER_NUMBER; - - spin_lock_irqsave(&ath724x_pci_lock, flags); - - switch (size) { - case 1: - addr = where & ~3; - mask = 0xff000000 >> ((where % 4) * 8); - tval = reg_read(ATH724X_PCI_DEV_BASE + addr); - tval = tval & ~mask; - *value = (tval >> ((4 - (where % 4))*8)); - break; - case 2: - addr = where & ~3; - mask = 0xffff0000 >> ((where % 4)*8); - tval = reg_read(ATH724X_PCI_DEV_BASE + addr); - tval = tval & ~mask; - *value = (tval >> ((4 - (where % 4))*8)); - break; - case 4: - *value = reg_read(ATH724X_PCI_DEV_BASE + where); - break; - default: - spin_unlock_irqrestore(&ath724x_pci_lock, flags); - - return PCIBIOS_BAD_REGISTER_NUMBER; - } - - spin_unlock_irqrestore(&ath724x_pci_lock, flags); - - return PCIBIOS_SUCCESSFUL; -} - -static int ath724x_pci_write(struct pci_bus *bus, unsigned int devfn, int where, - int size, uint32_t value) -{ - unsigned long flags, tval, addr, mask; - - if (devfn) - return PCIBIOS_DEVICE_NOT_FOUND; - - if (where & (size - 1)) - return PCIBIOS_BAD_REGISTER_NUMBER; - - spin_lock_irqsave(&ath724x_pci_lock, flags); - - switch (size) { - case 1: - addr = (ATH724X_PCI_DEV_BASE + where) & ~3; - mask = 0xff000000 >> ((where % 4)*8); - tval = reg_read(addr); - tval = tval & ~mask; - tval |= (value << ((4 - (where % 4))*8)) & mask; - reg_write(addr, tval); - break; - case 2: - addr = (ATH724X_PCI_DEV_BASE + where) & ~3; - mask = 0xffff0000 >> ((where % 4)*8); - tval = reg_read(addr); - tval = tval & ~mask; - tval |= (value << ((4 - (where % 4))*8)) & mask; - reg_write(addr, tval); - break; - case 4: - reg_write((ATH724X_PCI_DEV_BASE + where), value); - break; - default: - spin_unlock_irqrestore(&ath724x_pci_lock, flags); - - return PCIBIOS_BAD_REGISTER_NUMBER; - } - - spin_unlock_irqrestore(&ath724x_pci_lock, flags); - - return PCIBIOS_SUCCESSFUL; -} - -static struct pci_ops ath724x_pci_ops = { - .read = ath724x_pci_read, - .write = ath724x_pci_write, -}; - -static struct resource ath724x_io_resource = { - .name = "PCI IO space", - .start = 0, - .end = 0, - .flags = IORESOURCE_IO, -}; - -static struct resource ath724x_mem_resource = { - .name = "PCI memory space", - .start = ATH724X_PCI_MEM_BASE, - .end = ATH724X_PCI_MEM_BASE + ATH724X_PCI_MEM_SIZE - 1, - .flags = IORESOURCE_MEM, -}; - -static struct pci_controller ath724x_pci_controller = { - .pci_ops = &ath724x_pci_ops, - .io_resource = &ath724x_io_resource, - .mem_resource = &ath724x_mem_resource, -}; - -void ath724x_pci_add_data(struct ath724x_pci_data *data, int size) -{ - pci_data = data; - pci_data_size = size; -} - -int __init pcibios_map_irq(const struct pci_dev *dev, uint8_t slot, uint8_t pin) -{ - unsigned int devfn = dev->devfn; - int irq = -1; - - if (devfn > pci_data_size - 1) - return irq; - - irq = pci_data[devfn].irq; - - return irq; -} - -int pcibios_plat_dev_init(struct pci_dev *dev) -{ - unsigned int devfn = dev->devfn; - - if (devfn > pci_data_size - 1) - return PCIBIOS_DEVICE_NOT_FOUND; - - dev->dev.platform_data = pci_data[devfn].pdata; - - return PCIBIOS_SUCCESSFUL; -} - -static int __init ath724x_pcibios_init(void) -{ - register_pci_controller(&ath724x_pci_controller); - - return PCIBIOS_SUCCESSFUL; -} - -arch_initcall(ath724x_pcibios_init); diff --git a/arch/mips/pci/pci-lantiq.c b/arch/mips/pci/pci-lantiq.c index 030c77e7926..ea453532a33 100644 --- a/arch/mips/pci/pci-lantiq.c +++ b/arch/mips/pci/pci-lantiq.c @@ -13,8 +13,12 @@ #include <linux/delay.h> #include <linux/mm.h> #include <linux/vmalloc.h> -#include <linux/export.h> -#include <linux/platform_device.h> +#include <linux/module.h> +#include <linux/clk.h> +#include <linux/of_platform.h> +#include <linux/of_gpio.h> +#include <linux/of_irq.h> +#include <linux/of_pci.h> #include <asm/pci.h> #include <asm/gpio.h> @@ -22,17 +26,9 @@ #include <lantiq_soc.h> #include <lantiq_irq.h> -#include <lantiq_platform.h> #include "pci-lantiq.h" -#define LTQ_PCI_CFG_BASE 0x17000000 -#define LTQ_PCI_CFG_SIZE 0x00008000 -#define LTQ_PCI_MEM_BASE 0x18000000 -#define LTQ_PCI_MEM_SIZE 0x02000000 -#define LTQ_PCI_IO_BASE 0x1AE00000 -#define LTQ_PCI_IO_SIZE 0x00200000 - #define PCI_CR_FCI_ADDR_MAP0 0x00C0 #define PCI_CR_FCI_ADDR_MAP1 0x00C4 #define PCI_CR_FCI_ADDR_MAP2 0x00C8 @@ -68,79 +64,27 @@ #define ltq_pci_cfg_w32(x, y) ltq_w32((x), ltq_pci_mapped_cfg + (y)) #define ltq_pci_cfg_r32(x) ltq_r32(ltq_pci_mapped_cfg + (x)) -struct ltq_pci_gpio_map { - int pin; - int alt0; - int alt1; - int dir; - char *name; -}; - -/* the pci core can make use of the following gpios */ -static struct ltq_pci_gpio_map ltq_pci_gpio_map[] = { - { 0, 1, 0, 0, "pci-exin0" }, - { 1, 1, 0, 0, "pci-exin1" }, - { 2, 1, 0, 0, "pci-exin2" }, - { 39, 1, 0, 0, "pci-exin3" }, - { 10, 1, 0, 0, "pci-exin4" }, - { 9, 1, 0, 0, "pci-exin5" }, - { 30, 1, 0, 1, "pci-gnt1" }, - { 23, 1, 0, 1, "pci-gnt2" }, - { 19, 1, 0, 1, "pci-gnt3" }, - { 38, 1, 0, 1, "pci-gnt4" }, - { 29, 1, 0, 0, "pci-req1" }, - { 31, 1, 0, 0, "pci-req2" }, - { 3, 1, 0, 0, "pci-req3" }, - { 37, 1, 0, 0, "pci-req4" }, -}; - __iomem void *ltq_pci_mapped_cfg; static __iomem void *ltq_pci_membase; -int (*ltqpci_plat_dev_init)(struct pci_dev *dev) = NULL; - -/* Since the PCI REQ pins can be reused for other functionality, make it - possible to exclude those from interpretation by the PCI controller */ -static int ltq_pci_req_mask = 0xf; - -static int *ltq_pci_irq_map; - -struct pci_ops ltq_pci_ops = { +static int reset_gpio; +static struct clk *clk_pci, *clk_external; +static struct resource pci_io_resource; +static struct resource pci_mem_resource; +static struct pci_ops pci_ops = { .read = ltq_pci_read_config_dword, .write = ltq_pci_write_config_dword }; -static struct resource pci_io_resource = { - .name = "pci io space", - .start = LTQ_PCI_IO_BASE, - .end = LTQ_PCI_IO_BASE + LTQ_PCI_IO_SIZE - 1, - .flags = IORESOURCE_IO -}; - -static struct resource pci_mem_resource = { - .name = "pci memory space", - .start = LTQ_PCI_MEM_BASE, - .end = LTQ_PCI_MEM_BASE + LTQ_PCI_MEM_SIZE - 1, - .flags = IORESOURCE_MEM -}; - -static struct pci_controller ltq_pci_controller = { - .pci_ops = <q_pci_ops, +static struct pci_controller pci_controller = { + .pci_ops = &pci_ops, .mem_resource = &pci_mem_resource, .mem_offset = 0x00000000UL, .io_resource = &pci_io_resource, .io_offset = 0x00000000UL, }; -int pcibios_plat_dev_init(struct pci_dev *dev) -{ - if (ltqpci_plat_dev_init) - return ltqpci_plat_dev_init(dev); - - return 0; -} - -static u32 ltq_calc_bar11mask(void) +static inline u32 ltq_calc_bar11mask(void) { u32 mem, bar11mask; @@ -151,48 +95,42 @@ static u32 ltq_calc_bar11mask(void) return bar11mask; } -static void ltq_pci_setup_gpio(int gpio) -{ - int i; - for (i = 0; i < ARRAY_SIZE(ltq_pci_gpio_map); i++) { - if (gpio & (1 << i)) { - ltq_gpio_request(ltq_pci_gpio_map[i].pin, - ltq_pci_gpio_map[i].alt0, - ltq_pci_gpio_map[i].alt1, - ltq_pci_gpio_map[i].dir, - ltq_pci_gpio_map[i].name); - } - } - ltq_gpio_request(21, 0, 0, 1, "pci-reset"); - ltq_pci_req_mask = (gpio >> PCI_REQ_SHIFT) & PCI_REQ_MASK; -} - -static int __devinit ltq_pci_startup(struct ltq_pci_data *conf) +static int __devinit ltq_pci_startup(struct platform_device *pdev) { + struct device_node *node = pdev->dev.of_node; + const __be32 *req_mask, *bus_clk; u32 temp_buffer; - /* set clock to 33Mhz */ - if (ltq_is_ar9()) { - ltq_cgu_w32(ltq_cgu_r32(LTQ_CGU_IFCCR) & ~0x1f00000, LTQ_CGU_IFCCR); - ltq_cgu_w32(ltq_cgu_r32(LTQ_CGU_IFCCR) | 0xe00000, LTQ_CGU_IFCCR); - } else { - ltq_cgu_w32(ltq_cgu_r32(LTQ_CGU_IFCCR) & ~0xf00000, LTQ_CGU_IFCCR); - ltq_cgu_w32(ltq_cgu_r32(LTQ_CGU_IFCCR) | 0x800000, LTQ_CGU_IFCCR); + /* get our clocks */ + clk_pci = clk_get(&pdev->dev, NULL); + if (IS_ERR(clk_pci)) { + dev_err(&pdev->dev, "failed to get pci clock\n"); + return PTR_ERR(clk_pci); } - /* external or internal clock ? */ - if (conf->clock) { - ltq_cgu_w32(ltq_cgu_r32(LTQ_CGU_IFCCR) & ~(1 << 16), - LTQ_CGU_IFCCR); - ltq_cgu_w32((1 << 30), LTQ_CGU_PCICR); - } else { - ltq_cgu_w32(ltq_cgu_r32(LTQ_CGU_IFCCR) | (1 << 16), - LTQ_CGU_IFCCR); - ltq_cgu_w32((1 << 31) | (1 << 30), LTQ_CGU_PCICR); + clk_external = clk_get(&pdev->dev, "external"); + if (IS_ERR(clk_external)) { + clk_put(clk_pci); + dev_err(&pdev->dev, "failed to get external pci clock\n"); + return PTR_ERR(clk_external); } - /* setup pci clock and gpis used by pci */ - ltq_pci_setup_gpio(conf->gpio); + /* read the bus speed that we want */ + bus_clk = of_get_property(node, "lantiq,bus-clock", NULL); + if (bus_clk) + clk_set_rate(clk_pci, *bus_clk); + + /* and enable the clocks */ + clk_enable(clk_pci); + if (of_find_property(node, "lantiq,external-clock", NULL)) + clk_enable(clk_external); + else + clk_disable(clk_external); + + /* setup reset gpio used by pci */ + reset_gpio = of_get_named_gpio(node, "gpio-reset", 0); + if (reset_gpio > 0) + devm_gpio_request(&pdev->dev, reset_gpio, "pci-reset"); /* enable auto-switching between PCI and EBU */ ltq_pci_w32(0xa, PCI_CR_CLK_CTRL); @@ -205,7 +143,12 @@ static int __devinit ltq_pci_startup(struct ltq_pci_data *conf) /* enable external 2 PCI masters */ temp_buffer = ltq_pci_r32(PCI_CR_PC_ARB); - temp_buffer &= (~(ltq_pci_req_mask << 16)); + /* setup the request mask */ + req_mask = of_get_property(node, "req-mask", NULL); + if (req_mask) + temp_buffer &= ~((*req_mask & 0xf) << 16); + else + temp_buffer &= ~0xf0000; /* enable internal arbiter */ temp_buffer |= (1 << INTERNAL_ARB_ENABLE_BIT); /* enable internal PCI master reqest */ @@ -249,47 +192,55 @@ static int __devinit ltq_pci_startup(struct ltq_pci_data *conf) ltq_ebu_w32(ltq_ebu_r32(LTQ_EBU_PCC_IEN) | 0x10, LTQ_EBU_PCC_IEN); /* toggle reset pin */ - __gpio_set_value(21, 0); - wmb(); - mdelay(1); - __gpio_set_value(21, 1); - return 0; -} - -int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) -{ - if (ltq_pci_irq_map[slot]) - return ltq_pci_irq_map[slot]; - printk(KERN_ERR "lq_pci: trying to map irq for unknown slot %d\n", - slot); - + if (reset_gpio > 0) { + __gpio_set_value(reset_gpio, 0); + wmb(); + mdelay(1); + __gpio_set_value(reset_gpio, 1); + } return 0; } static int __devinit ltq_pci_probe(struct platform_device *pdev) { - struct ltq_pci_data *ltq_pci_data = - (struct ltq_pci_data *) pdev->dev.platform_data; + struct resource *res_cfg, *res_bridge; pci_clear_flags(PCI_PROBE_ONLY); - ltq_pci_irq_map = ltq_pci_data->irq; - ltq_pci_membase = ioremap_nocache(PCI_CR_BASE_ADDR, PCI_CR_SIZE); - ltq_pci_mapped_cfg = - ioremap_nocache(LTQ_PCI_CFG_BASE, LTQ_PCI_CFG_BASE); - ltq_pci_controller.io_map_base = - (unsigned long)ioremap(LTQ_PCI_IO_BASE, LTQ_PCI_IO_SIZE - 1); - ltq_pci_startup(ltq_pci_data); - register_pci_controller(<q_pci_controller); + res_cfg = platform_get_resource(pdev, IORESOURCE_MEM, 0); + res_bridge = platform_get_resource(pdev, IORESOURCE_MEM, 1); + if (!res_cfg || !res_bridge) { + dev_err(&pdev->dev, "missing memory reources\n"); + return -EINVAL; + } + + ltq_pci_membase = devm_request_and_ioremap(&pdev->dev, res_bridge); + ltq_pci_mapped_cfg = devm_request_and_ioremap(&pdev->dev, res_cfg); + + if (!ltq_pci_membase || !ltq_pci_mapped_cfg) { + dev_err(&pdev->dev, "failed to remap resources\n"); + return -ENOMEM; + } + + ltq_pci_startup(pdev); + + pci_load_of_ranges(&pci_controller, pdev->dev.of_node); + register_pci_controller(&pci_controller); return 0; } -static struct platform_driver -ltq_pci_driver = { +static const struct of_device_id ltq_pci_match[] = { + { .compatible = "lantiq,pci-xway" }, + {}, +}; +MODULE_DEVICE_TABLE(of, ltq_pci_match); + +static struct platform_driver ltq_pci_driver = { .probe = ltq_pci_probe, .driver = { - .name = "ltq_pci", + .name = "pci-xway", .owner = THIS_MODULE, + .of_match_table = ltq_pci_match, }, }; @@ -297,7 +248,7 @@ int __init pcibios_init(void) { int ret = platform_driver_register(<q_pci_driver); if (ret) - printk(KERN_INFO "ltq_pci: Error registering platfom driver!"); + pr_info("pci-xway: Error registering platform driver!"); return ret; } diff --git a/arch/mips/pci/pci.c b/arch/mips/pci/pci.c index 0514866fa92..271e8c4a54c 100644 --- a/arch/mips/pci/pci.c +++ b/arch/mips/pci/pci.c @@ -16,6 +16,7 @@ #include <linux/init.h> #include <linux/types.h> #include <linux/pci.h> +#include <linux/of_address.h> #include <asm/cpu-info.h> @@ -114,9 +115,63 @@ static void __devinit pcibios_scanbus(struct pci_controller *hose) pci_bus_assign_resources(bus); pci_enable_bridges(bus); } + bus->dev.of_node = hose->of_node; } } +#ifdef CONFIG_OF +void __devinit pci_load_of_ranges(struct pci_controller *hose, + struct device_node *node) +{ + const __be32 *ranges; + int rlen; + int pna = of_n_addr_cells(node); + int np = pna + 5; + + pr_info("PCI host bridge %s ranges:\n", node->full_name); + ranges = of_get_property(node, "ranges", &rlen); + if (ranges == NULL) + return; + hose->of_node = node; + + while ((rlen -= np * 4) >= 0) { + u32 pci_space; + struct resource *res = NULL; + u64 addr, size; + + pci_space = be32_to_cpup(&ranges[0]); + addr = of_translate_address(node, ranges + 3); + size = of_read_number(ranges + pna + 3, 2); + ranges += np; + switch ((pci_space >> 24) & 0x3) { + case 1: /* PCI IO space */ + pr_info(" IO 0x%016llx..0x%016llx\n", + addr, addr + size - 1); + hose->io_map_base = + (unsigned long)ioremap(addr, size); + res = hose->io_resource; + res->flags = IORESOURCE_IO; + break; + case 2: /* PCI Memory space */ + case 3: /* PCI 64 bits Memory space */ + pr_info(" MEM 0x%016llx..0x%016llx\n", + addr, addr + size - 1); + res = hose->mem_resource; + res->flags = IORESOURCE_MEM; + break; + } + if (res != NULL) { + res->start = addr; + res->name = node->full_name; + res->end = res->start + size - 1; + res->parent = NULL; + res->sibling = NULL; + res->child = NULL; + } + } +} +#endif + static DEFINE_MUTEX(pci_scan_mutex); void __devinit register_pci_controller(struct pci_controller *hose) diff --git a/arch/mips/pmc-sierra/yosemite/Makefile b/arch/mips/pmc-sierra/yosemite/Makefile index 02f5fb94ea2..5af95ec3319 100644 --- a/arch/mips/pmc-sierra/yosemite/Makefile +++ b/arch/mips/pmc-sierra/yosemite/Makefile @@ -5,5 +5,3 @@ obj-y += irq.o prom.o py-console.o setup.o obj-$(CONFIG_SMP) += smp.o - -ccflags-y := -Werror diff --git a/arch/mips/pmc-sierra/yosemite/setup.c b/arch/mips/pmc-sierra/yosemite/setup.c index 3498ac9c35a..b6472fc88a9 100644 --- a/arch/mips/pmc-sierra/yosemite/setup.c +++ b/arch/mips/pmc-sierra/yosemite/setup.c @@ -27,6 +27,7 @@ #include <linux/bcd.h> #include <linux/init.h> #include <linux/kernel.h> +#include <linux/export.h> #include <linux/types.h> #include <linux/mm.h> #include <linux/bootmem.h> diff --git a/arch/mips/pnx833x/common/platform.c b/arch/mips/pnx833x/common/platform.c index 87167dcc79f..05a1d922cd6 100644 --- a/arch/mips/pnx833x/common/platform.c +++ b/arch/mips/pnx833x/common/platform.c @@ -244,11 +244,6 @@ static struct platform_device pnx833x_sata_device = { .resource = pnx833x_sata_resources, }; -static const char *part_probes[] = { - "cmdlinepart", - NULL -}; - static void pnx833x_flash_nand_cmd_ctrl(struct mtd_info *mtd, int cmd, unsigned int ctrl) { @@ -268,7 +263,6 @@ static struct platform_nand_data pnx833x_flash_nand_data = { .chip = { .nr_chips = 1, .chip_delay = 25, - .part_probe_types = part_probes, }, .ctrl = { .cmd_ctrl = pnx833x_flash_nand_cmd_ctrl diff --git a/arch/mips/powertv/Makefile b/arch/mips/powertv/Makefile index 348d2e850ef..39ca9f8d63a 100644 --- a/arch/mips/powertv/Makefile +++ b/arch/mips/powertv/Makefile @@ -27,5 +27,3 @@ obj-y += init.o ioremap.o memory.o powertv_setup.o reset.o time.o \ asic/ pci/ obj-$(CONFIG_USB) += powertv-usb.o - -ccflags-y := -Wall diff --git a/arch/mips/powertv/asic/Makefile b/arch/mips/powertv/asic/Makefile index d810a33182a..35dcc53eb25 100644 --- a/arch/mips/powertv/asic/Makefile +++ b/arch/mips/powertv/asic/Makefile @@ -19,5 +19,3 @@ obj-y += asic-calliope.o asic-cronus.o asic-gaia.o asic-zeus.o \ asic_devices.o asic_int.o irq_asic.o prealloc-calliope.o \ prealloc-cronus.o prealloc-cronuslite.o prealloc-gaia.o prealloc-zeus.o - -ccflags-y := -Wall -Werror diff --git a/arch/mips/powertv/pci/Makefile b/arch/mips/powertv/pci/Makefile index 5783201cd2c..2610a6af5b2 100644 --- a/arch/mips/powertv/pci/Makefile +++ b/arch/mips/powertv/pci/Makefile @@ -17,5 +17,3 @@ # obj-$(CONFIG_PCI) += fixup-powertv.o - -ccflags-y := -Wall -Werror diff --git a/arch/mips/rb532/devices.c b/arch/mips/rb532/devices.c index a969eb82663..716e9a12f0e 100644 --- a/arch/mips/rb532/devices.c +++ b/arch/mips/rb532/devices.c @@ -15,6 +15,7 @@ * GNU General Public License for more details. */ #include <linux/kernel.h> +#include <linux/export.h> #include <linux/init.h> #include <linux/ctype.h> #include <linux/string.h> @@ -292,7 +293,6 @@ static void __init rb532_nand_setup(void) rb532_nand_data.chip.nr_partitions = ARRAY_SIZE(rb532_partition_info); rb532_nand_data.chip.partitions = rb532_partition_info; rb532_nand_data.chip.chip_delay = NAND_CHIP_DELAY; - rb532_nand_data.chip.options = NAND_NO_AUTOINCR; } diff --git a/arch/mips/sni/setup.c b/arch/mips/sni/setup.c index d16b462154c..413f17f8e89 100644 --- a/arch/mips/sni/setup.c +++ b/arch/mips/sni/setup.c @@ -10,6 +10,7 @@ */ #include <linux/eisa.h> #include <linux/init.h> +#include <linux/export.h> #include <linux/console.h> #include <linux/fb.h> #include <linux/screen_info.h> diff --git a/arch/mn10300/include/asm/posix_types.h b/arch/mn10300/include/asm/posix_types.h index ab506181ec3..d31eeea480c 100644 --- a/arch/mn10300/include/asm/posix_types.h +++ b/arch/mn10300/include/asm/posix_types.h @@ -20,9 +20,6 @@ typedef unsigned short __kernel_mode_t; #define __kernel_mode_t __kernel_mode_t -typedef unsigned short __kernel_nlink_t; -#define __kernel_nlink_t __kernel_nlink_t - typedef unsigned short __kernel_ipc_pid_t; #define __kernel_ipc_pid_t __kernel_ipc_pid_t diff --git a/arch/mn10300/kernel/signal.c b/arch/mn10300/kernel/signal.c index 890cf91767c..6ab0bee2a54 100644 --- a/arch/mn10300/kernel/signal.c +++ b/arch/mn10300/kernel/signal.c @@ -31,8 +31,6 @@ #define DEBUG_SIG 0 -#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) - /* * atomically swap in the new signal mask, and wait for a signal. */ @@ -163,7 +161,6 @@ asmlinkage long sys_sigreturn(void) sizeof(frame->extramask))) goto badframe; - sigdelsetmask(&set, ~_BLOCKABLE); set_current_blocked(&set); if (restore_sigcontext(current_frame(), &frame->sc, &d0)) @@ -191,7 +188,6 @@ asmlinkage long sys_rt_sigreturn(void) if (__copy_from_user(&set, &frame->uc.uc_sigmask, sizeof(set))) goto badframe; - sigdelsetmask(&set, ~_BLOCKABLE); set_current_blocked(&set); if (restore_sigcontext(current_frame(), &frame->uc.uc_mcontext, &d0)) @@ -430,8 +426,9 @@ static inline void stepback(struct pt_regs *regs) */ static int handle_signal(int sig, siginfo_t *info, struct k_sigaction *ka, - sigset_t *oldset, struct pt_regs *regs) + struct pt_regs *regs) { + sigset_t *oldset = sigmask_to_save(); int ret; /* Are we from a system call? */ @@ -461,11 +458,11 @@ static int handle_signal(int sig, ret = setup_rt_frame(sig, ka, info, oldset, regs); else ret = setup_frame(sig, ka, oldset, regs); + if (ret) + return; - if (ret == 0) - block_sigmask(ka, sig); - - return ret; + signal_delivered(sig, info, ka, regs, + test_thread_flag(TIF_SINGLESTEP)); } /* @@ -475,7 +472,6 @@ static void do_signal(struct pt_regs *regs) { struct k_sigaction ka; siginfo_t info; - sigset_t *oldset; int signr; /* we want the common case to go fast, which is why we may in certain @@ -483,23 +479,9 @@ static void do_signal(struct pt_regs *regs) if (!user_mode(regs)) return; - if (test_thread_flag(TIF_RESTORE_SIGMASK)) - oldset = ¤t->saved_sigmask; - else - oldset = ¤t->blocked; - signr = get_signal_to_deliver(&info, &ka, regs, NULL); if (signr > 0) { - if (handle_signal(signr, &info, &ka, oldset, regs) == 0) { - /* a signal was successfully delivered; the saved - * sigmask will have been stored in the signal frame, - * and will be restored by sigreturn, so we can simply - * clear the TIF_RESTORE_SIGMASK flag */ - if (test_thread_flag(TIF_RESTORE_SIGMASK)) - clear_thread_flag(TIF_RESTORE_SIGMASK); - - tracehook_signal_handler(signr, &info, &ka, regs, - test_thread_flag(TIF_SINGLESTEP)); + if (handle_signal(signr, &info, &ka, regs) == 0) { } return; @@ -525,10 +507,7 @@ static void do_signal(struct pt_regs *regs) /* if there's no signal to deliver, we just put the saved sigmask * back */ - if (test_thread_flag(TIF_RESTORE_SIGMASK)) { - clear_thread_flag(TIF_RESTORE_SIGMASK); - sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); - } + restore_saved_sigmask(); } /* @@ -548,13 +527,11 @@ asmlinkage void do_notify_resume(struct pt_regs *regs, u32 thread_info_flags) } /* deal with pending signal delivery */ - if (thread_info_flags & (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK)) + if (thread_info_flags & _TIF_SIGPENDING) do_signal(regs); if (thread_info_flags & _TIF_NOTIFY_RESUME) { clear_thread_flag(TIF_NOTIFY_RESUME); tracehook_notify_resume(current_frame()); - if (current->replacement_session_keyring) - key_replace_session_keyring(); } } diff --git a/arch/openrisc/Kconfig b/arch/openrisc/Kconfig index 065623215c5..49765b53f63 100644 --- a/arch/openrisc/Kconfig +++ b/arch/openrisc/Kconfig @@ -20,6 +20,7 @@ config OPENRISC select GENERIC_ATOMIC64 select GENERIC_CLOCKEVENTS select GENERIC_STRNCPY_FROM_USER + select GENERIC_STRNLEN_USER config MMU def_bool y diff --git a/arch/openrisc/include/asm/uaccess.h b/arch/openrisc/include/asm/uaccess.h index 04b93de9263..ab2e7a198a4 100644 --- a/arch/openrisc/include/asm/uaccess.h +++ b/arch/openrisc/include/asm/uaccess.h @@ -318,33 +318,7 @@ clear_user(void *addr, unsigned long size) extern long strncpy_from_user(char *dest, const char __user *src, long count); -/* - * Return the size of a string (including the ending 0) - * - * Return 0 for error - */ - -extern int __strnlen_user(const char *str, long len, unsigned long top); - -/* - * Returns the length of the string at str (including the null byte), - * or 0 if we hit a page we can't access, - * or something > len if we didn't find a null byte. - * - * The `top' parameter to __strnlen_user is to make sure that - * we can never overflow from the user area into kernel space. - */ -static inline long strnlen_user(const char __user *str, long len) -{ - unsigned long top = (unsigned long)get_fs(); - unsigned long res = 0; - - if (__addr_ok(str)) - res = __strnlen_user(str, len, top); - - return res; -} - -#define strlen_user(str) strnlen_user(str, TASK_SIZE-1) +extern __must_check long strlen_user(const char __user *str); +extern __must_check long strnlen_user(const char __user *str, long n); #endif /* __ASM_OPENRISC_UACCESS_H */ diff --git a/arch/openrisc/kernel/signal.c b/arch/openrisc/kernel/signal.c index e970743251a..30110297f4f 100644 --- a/arch/openrisc/kernel/signal.c +++ b/arch/openrisc/kernel/signal.c @@ -33,8 +33,6 @@ #define DEBUG_SIG 0 -#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) - asmlinkage long _sys_sigaltstack(const stack_t *uss, stack_t *uoss, struct pt_regs *regs) { @@ -101,7 +99,6 @@ asmlinkage long _sys_rt_sigreturn(struct pt_regs *regs) if (__copy_from_user(&set, &frame->uc.uc_sigmask, sizeof(set))) goto badframe; - sigdelsetmask(&set, ~_BLOCKABLE); set_current_blocked(&set); if (restore_sigcontext(regs, &frame->uc.uc_mcontext)) @@ -251,20 +248,19 @@ give_sigsegv: return -EFAULT; } -static inline int +static inline void handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka, - sigset_t *oldset, struct pt_regs *regs) + struct pt_regs *regs) { int ret; - ret = setup_rt_frame(sig, ka, info, oldset, regs); + ret = setup_rt_frame(sig, ka, info, sigmask_to_save(), regs); if (ret) - return ret; - - block_sigmask(ka, sig); + return; - return 0; + signal_delivered(sig, info, ka, regs, + test_thread_flag(TIF_SINGLESTEP)); } /* @@ -339,30 +335,10 @@ void do_signal(struct pt_regs *regs) if (signr <= 0) { /* no signal to deliver so we just put the saved sigmask * back */ - if (test_thread_flag(TIF_RESTORE_SIGMASK)) { - clear_thread_flag(TIF_RESTORE_SIGMASK); - sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); - } - + restore_saved_sigmask(); } else { /* signr > 0 */ - sigset_t *oldset; - - if (current_thread_info()->flags & _TIF_RESTORE_SIGMASK) - oldset = ¤t->saved_sigmask; - else - oldset = ¤t->blocked; - /* Whee! Actually deliver the signal. */ - if (!handle_signal(signr, &info, &ka, oldset, regs)) { - /* a signal was successfully delivered; the saved - * sigmask will have been stored in the signal frame, - * and will be restored by sigreturn, so we can simply - * clear the TIF_RESTORE_SIGMASK flag */ - clear_thread_flag(TIF_RESTORE_SIGMASK); - } - - tracehook_signal_handler(signr, &info, &ka, regs, - test_thread_flag(TIF_SINGLESTEP)); + handle_signal(signr, &info, &ka, regs); } return; @@ -376,7 +352,5 @@ asmlinkage void do_notify_resume(struct pt_regs *regs) if (current_thread_info()->flags & _TIF_NOTIFY_RESUME) { clear_thread_flag(TIF_NOTIFY_RESUME); tracehook_notify_resume(regs); - if (current->replacement_session_keyring) - key_replace_session_keyring(); } } diff --git a/arch/openrisc/lib/string.S b/arch/openrisc/lib/string.S index 8ceb11ebafb..c09fee7dec1 100644 --- a/arch/openrisc/lib/string.S +++ b/arch/openrisc/lib/string.S @@ -103,50 +103,3 @@ __clear_user: .section __ex_table, "a" .long 9b, 99b // write fault .previous - - -/* - * extern int __strnlen_user(const char *str, long len, unsigned long top); - * - * - * RTRN: - length of a string including NUL termination character - * - on page fault 0 - */ - - .global __strnlen_user -__strnlen_user: - l.addi r1,r1,-8 - l.sw 0(r1),r6 - l.sw 4(r1),r3 - - l.addi r11,r0,0 -2: l.sfeq r11,r4 - l.bf 1f - l.addi r11,r11,1 -8: l.lbz r6,0(r3) - l.sfeq r6,r0 - l.bf 1f - l.sfgeu r3,r5 // are we over the top ? - l.bf 99f - l.j 2b - l.addi r3,r3,1 - -1: - l.lwz r6,0(r1) - l.lwz r3,4(r1) - l.jr r9 - l.addi r1,r1,8 - - .section .fixup, "ax" -99: - l.addi r11,r0,0 - - l.lwz r6,0(r1) - l.lwz r3,4(r1) - l.jr r9 - l.addi r1,r1,8 - .previous - - .section __ex_table, "a" - .long 8b, 99b // read fault - .previous diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig index ddb8b24b823..3ff21b536f2 100644 --- a/arch/parisc/Kconfig +++ b/arch/parisc/Kconfig @@ -18,6 +18,7 @@ config PARISC select IRQ_PER_CPU select ARCH_HAVE_NMI_SAFE_CMPXCHG select GENERIC_SMP_IDLE_THREAD + select GENERIC_STRNCPY_FROM_USER help The PA-RISC microprocessor is designed by Hewlett-Packard and used diff --git a/arch/parisc/Makefile b/arch/parisc/Makefile index dbc3850b1d0..5707f1a6234 100644 --- a/arch/parisc/Makefile +++ b/arch/parisc/Makefile @@ -21,6 +21,7 @@ KBUILD_DEFCONFIG := default_defconfig NM = sh $(srctree)/arch/parisc/nm CHECKFLAGS += -D__hppa__=1 +LIBGCC = $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name) MACHINE := $(shell uname -m) ifeq ($(MACHINE),parisc*) @@ -79,7 +80,7 @@ kernel-y := mm/ kernel/ math-emu/ kernel-$(CONFIG_HPUX) += hpux/ core-y += $(addprefix arch/parisc/, $(kernel-y)) -libs-y += arch/parisc/lib/ `$(CC) -print-libgcc-file-name` +libs-y += arch/parisc/lib/ $(LIBGCC) drivers-$(CONFIG_OPROFILE) += arch/parisc/oprofile/ diff --git a/arch/parisc/include/asm/Kbuild b/arch/parisc/include/asm/Kbuild index 19a434f5505..4383707d980 100644 --- a/arch/parisc/include/asm/Kbuild +++ b/arch/parisc/include/asm/Kbuild @@ -1,3 +1,4 @@ include include/asm-generic/Kbuild.asm header-y += pdc.h +generic-y += word-at-a-time.h diff --git a/arch/parisc/include/asm/bug.h b/arch/parisc/include/asm/bug.h index 72cfdb0cfdd..62a33338549 100644 --- a/arch/parisc/include/asm/bug.h +++ b/arch/parisc/include/asm/bug.h @@ -1,6 +1,8 @@ #ifndef _PARISC_BUG_H #define _PARISC_BUG_H +#include <linux/kernel.h> /* for BUGFLAG_TAINT */ + /* * Tell the user there is some problem. * The offending file and line are encoded in the __bug_table section. diff --git a/arch/parisc/include/asm/posix_types.h b/arch/parisc/include/asm/posix_types.h index 5212b0357da..b9344256f76 100644 --- a/arch/parisc/include/asm/posix_types.h +++ b/arch/parisc/include/asm/posix_types.h @@ -10,9 +10,6 @@ typedef unsigned short __kernel_mode_t; #define __kernel_mode_t __kernel_mode_t -typedef unsigned short __kernel_nlink_t; -#define __kernel_nlink_t __kernel_nlink_t - typedef unsigned short __kernel_ipc_pid_t; #define __kernel_ipc_pid_t __kernel_ipc_pid_t diff --git a/arch/parisc/include/asm/smp.h b/arch/parisc/include/asm/smp.h index e8f8037d872..a5dc9066c6d 100644 --- a/arch/parisc/include/asm/smp.h +++ b/arch/parisc/include/asm/smp.h @@ -25,7 +25,6 @@ typedef unsigned long address_t; #define cpu_number_map(cpu) (cpu) #define cpu_logical_map(cpu) (cpu) -extern void smp_send_reschedule(int cpu); extern void smp_send_all_nop(void); extern void arch_send_call_function_single_ipi(int cpu); @@ -50,6 +49,5 @@ static inline void __cpu_die (unsigned int cpu) { while(1) ; } -extern int __cpu_up (unsigned int cpu); #endif /* __ASM_SMP_H */ diff --git a/arch/parisc/include/asm/stat.h b/arch/parisc/include/asm/stat.h index 9d5fbbc5c31..d76fbda5d62 100644 --- a/arch/parisc/include/asm/stat.h +++ b/arch/parisc/include/asm/stat.h @@ -7,7 +7,7 @@ struct stat { unsigned int st_dev; /* dev_t is 32 bits on parisc */ ino_t st_ino; /* 32 bits */ mode_t st_mode; /* 16 bits */ - nlink_t st_nlink; /* 16 bits */ + unsigned short st_nlink; /* 16 bits */ unsigned short st_reserved1; /* old st_uid */ unsigned short st_reserved2; /* old st_gid */ unsigned int st_rdev; @@ -42,7 +42,7 @@ struct hpux_stat64 { unsigned int st_dev; /* dev_t is 32 bits on parisc */ ino_t st_ino; /* 32 bits */ mode_t st_mode; /* 16 bits */ - nlink_t st_nlink; /* 16 bits */ + unsigned short st_nlink; /* 16 bits */ unsigned short st_reserved1; /* old st_uid */ unsigned short st_reserved2; /* old st_gid */ unsigned int st_rdev; diff --git a/arch/parisc/include/asm/thread_info.h b/arch/parisc/include/asm/thread_info.h index 83ae7dd4d99..22b4726dee4 100644 --- a/arch/parisc/include/asm/thread_info.h +++ b/arch/parisc/include/asm/thread_info.h @@ -74,7 +74,7 @@ struct thread_info { #define _TIF_BLOCKSTEP (1 << TIF_BLOCKSTEP) #define _TIF_USER_WORK_MASK (_TIF_SIGPENDING | _TIF_NOTIFY_RESUME | \ - _TIF_NEED_RESCHED | _TIF_RESTORE_SIGMASK) + _TIF_NEED_RESCHED) #endif /* __KERNEL__ */ diff --git a/arch/parisc/include/asm/uaccess.h b/arch/parisc/include/asm/uaccess.h index 9ac066086f0..4ba2c93770f 100644 --- a/arch/parisc/include/asm/uaccess.h +++ b/arch/parisc/include/asm/uaccess.h @@ -218,15 +218,14 @@ struct exception_data { extern unsigned long lcopy_to_user(void __user *, const void *, unsigned long); extern unsigned long lcopy_from_user(void *, const void __user *, unsigned long); extern unsigned long lcopy_in_user(void __user *, const void __user *, unsigned long); -extern long lstrncpy_from_user(char *, const char __user *, long); +extern long strncpy_from_user(char *, const char __user *, long); extern unsigned lclear_user(void __user *,unsigned long); extern long lstrnlen_user(const char __user *,long); - /* * Complex access routines -- macros */ +#define user_addr_max() (~0UL) -#define strncpy_from_user lstrncpy_from_user #define strnlen_user lstrnlen_user #define strlen_user(str) lstrnlen_user(str, 0x7fffffffL) #define clear_user lclear_user diff --git a/arch/parisc/kernel/entry.S b/arch/parisc/kernel/entry.S index 53503421702..18670a07884 100644 --- a/arch/parisc/kernel/entry.S +++ b/arch/parisc/kernel/entry.S @@ -552,7 +552,7 @@ * entry (identifying the physical page) and %r23 up with * the from tlb entry (or nothing if only a to entry---for * clear_user_page_asm) */ - .macro do_alias spc,tmp,tmp1,va,pte,prot,fault + .macro do_alias spc,tmp,tmp1,va,pte,prot,fault,patype cmpib,COND(<>),n 0,\spc,\fault ldil L%(TMPALIAS_MAP_START),\tmp #if defined(CONFIG_64BIT) && (TMPALIAS_MAP_START >= 0x80000000) @@ -581,11 +581,15 @@ */ cmpiclr,= 0x01,\tmp,%r0 ldi (_PAGE_DIRTY|_PAGE_READ|_PAGE_WRITE),\prot -#ifdef CONFIG_64BIT +.ifc \patype,20 depd,z \prot,8,7,\prot -#else +.else +.ifc \patype,11 depw,z \prot,8,7,\prot -#endif +.else + .error "undefined PA type to do_alias" +.endif +.endif /* * OK, it is in the temp alias region, check whether "from" or "to". * Check "subtle" note in pacache.S re: r23/r26. @@ -920,7 +924,7 @@ intr_check_sig: /* As above */ mfctl %cr30,%r1 LDREG TI_FLAGS(%r1),%r19 - ldi (_TIF_SIGPENDING|_TIF_RESTORE_SIGMASK|_TIF_NOTIFY_RESUME), %r20 + ldi (_TIF_SIGPENDING|_TIF_NOTIFY_RESUME), %r20 and,COND(<>) %r19, %r20, %r0 b,n intr_restore /* skip past if we've nothing to do */ @@ -1189,7 +1193,7 @@ dtlb_miss_20w: nop dtlb_check_alias_20w: - do_alias spc,t0,t1,va,pte,prot,dtlb_fault + do_alias spc,t0,t1,va,pte,prot,dtlb_fault,20 idtlbt pte,prot @@ -1213,7 +1217,7 @@ nadtlb_miss_20w: nop nadtlb_check_alias_20w: - do_alias spc,t0,t1,va,pte,prot,nadtlb_emulate + do_alias spc,t0,t1,va,pte,prot,nadtlb_emulate,20 idtlbt pte,prot @@ -1245,7 +1249,7 @@ dtlb_miss_11: nop dtlb_check_alias_11: - do_alias spc,t0,t1,va,pte,prot,dtlb_fault + do_alias spc,t0,t1,va,pte,prot,dtlb_fault,11 idtlba pte,(va) idtlbp prot,(va) @@ -1277,7 +1281,7 @@ nadtlb_miss_11: nop nadtlb_check_alias_11: - do_alias spc,t0,t1,va,pte,prot,nadtlb_emulate + do_alias spc,t0,t1,va,pte,prot,nadtlb_emulate,11 idtlba pte,(va) idtlbp prot,(va) @@ -1304,7 +1308,7 @@ dtlb_miss_20: nop dtlb_check_alias_20: - do_alias spc,t0,t1,va,pte,prot,dtlb_fault + do_alias spc,t0,t1,va,pte,prot,dtlb_fault,20 idtlbt pte,prot @@ -1330,7 +1334,7 @@ nadtlb_miss_20: nop nadtlb_check_alias_20: - do_alias spc,t0,t1,va,pte,prot,nadtlb_emulate + do_alias spc,t0,t1,va,pte,prot,nadtlb_emulate,20 idtlbt pte,prot @@ -1457,7 +1461,7 @@ naitlb_miss_20w: nop naitlb_check_alias_20w: - do_alias spc,t0,t1,va,pte,prot,naitlb_fault + do_alias spc,t0,t1,va,pte,prot,naitlb_fault,20 iitlbt pte,prot @@ -1511,7 +1515,7 @@ naitlb_miss_11: nop naitlb_check_alias_11: - do_alias spc,t0,t1,va,pte,prot,itlb_fault + do_alias spc,t0,t1,va,pte,prot,itlb_fault,11 iitlba pte,(%sr0, va) iitlbp prot,(%sr0, va) @@ -1557,7 +1561,7 @@ naitlb_miss_20: nop naitlb_check_alias_20: - do_alias spc,t0,t1,va,pte,prot,naitlb_fault + do_alias spc,t0,t1,va,pte,prot,naitlb_fault,20 iitlbt pte,prot @@ -2028,7 +2032,7 @@ syscall_check_resched: .import do_signal,code syscall_check_sig: LDREG TI_FLAGS-THREAD_SZ_ALGN-FRAME_SIZE(%r30),%r19 - ldi (_TIF_SIGPENDING|_TIF_RESTORE_SIGMASK), %r26 + ldi (_TIF_SIGPENDING|_TIF_NOTIFY_RESUME), %r26 and,COND(<>) %r19, %r26, %r0 b,n syscall_restore /* skip past if we've nothing to do */ diff --git a/arch/parisc/kernel/parisc_ksyms.c b/arch/parisc/kernel/parisc_ksyms.c index a7bb757a549..ceec85de629 100644 --- a/arch/parisc/kernel/parisc_ksyms.c +++ b/arch/parisc/kernel/parisc_ksyms.c @@ -44,7 +44,6 @@ EXPORT_SYMBOL(__cmpxchg_u64); #endif #include <asm/uaccess.h> -EXPORT_SYMBOL(lstrncpy_from_user); EXPORT_SYMBOL(lclear_user); EXPORT_SYMBOL(lstrnlen_user); diff --git a/arch/parisc/kernel/signal.c b/arch/parisc/kernel/signal.c index 4b9cb0d546d..594459bde14 100644 --- a/arch/parisc/kernel/signal.c +++ b/arch/parisc/kernel/signal.c @@ -48,9 +48,6 @@ #define DBG(LEVEL, ...) #endif - -#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) - /* gcc will complain if a pointer is cast to an integer of different * size. If you really need to do this (and we do for an ELF32 user * application in an ELF64 kernel) then you have to do a cast to an @@ -131,7 +128,6 @@ sys_rt_sigreturn(struct pt_regs *regs, int in_syscall) goto give_sigsegv; } - sigdelsetmask(&set, ~_BLOCKABLE); set_current_blocked(&set); /* Good thing we saved the old gr[30], eh? */ @@ -443,8 +439,9 @@ give_sigsegv: static long handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka, - sigset_t *oldset, struct pt_regs *regs, int in_syscall) + struct pt_regs *regs, int in_syscall) { + sigset_t *oldset = sigmask_to_save(); DBG(1,"handle_signal: sig=%ld, ka=%p, info=%p, oldset=%p, regs=%p\n", sig, ka, info, oldset, regs); @@ -452,12 +449,13 @@ handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka, if (!setup_rt_frame(sig, ka, info, oldset, regs, in_syscall)) return 0; - block_sigmask(ka, sig); - - tracehook_signal_handler(sig, info, ka, regs, + signal_delivered(sig, info, ka, regs, test_thread_flag(TIF_SINGLESTEP) || test_thread_flag(TIF_BLOCKSTEP)); + DBG(1,KERN_DEBUG "do_signal: Exit (success), regs->gr[28] = %ld\n", + regs->gr[28]); + return 1; } @@ -568,28 +566,17 @@ do_signal(struct pt_regs *regs, long in_syscall) siginfo_t info; struct k_sigaction ka; int signr; - sigset_t *oldset; - DBG(1,"\ndo_signal: oldset=0x%p, regs=0x%p, sr7 %#lx, in_syscall=%d\n", - oldset, regs, regs->sr[7], in_syscall); + DBG(1,"\ndo_signal: regs=0x%p, sr7 %#lx, in_syscall=%d\n", + regs, regs->sr[7], in_syscall); /* Everyone else checks to see if they are in kernel mode at this point and exits if that's the case. I'm not sure why we would be called in that case, but for some reason we are. */ - if (test_thread_flag(TIF_RESTORE_SIGMASK)) - oldset = ¤t->saved_sigmask; - else - oldset = ¤t->blocked; - - DBG(1,"do_signal: oldset %08lx / %08lx\n", - oldset->sig[0], oldset->sig[1]); - - /* May need to force signal if handle_signal failed to deliver */ while (1) { - signr = get_signal_to_deliver(&info, &ka, regs, NULL); DBG(3,"do_signal: signr = %d, regs->gr[28] = %ld\n", signr, regs->gr[28]); @@ -603,14 +590,8 @@ do_signal(struct pt_regs *regs, long in_syscall) /* Whee! Actually deliver the signal. If the delivery failed, we need to continue to iterate in this loop so we can deliver the SIGSEGV... */ - if (handle_signal(signr, &info, &ka, oldset, - regs, in_syscall)) { - DBG(1,KERN_DEBUG "do_signal: Exit (success), regs->gr[28] = %ld\n", - regs->gr[28]); - if (test_thread_flag(TIF_RESTORE_SIGMASK)) - clear_thread_flag(TIF_RESTORE_SIGMASK); + if (handle_signal(signr, &info, &ka, regs, in_syscall)) return; - } } /* end of while(1) looping forever if we can't force a signal */ @@ -621,24 +602,16 @@ do_signal(struct pt_regs *regs, long in_syscall) DBG(1,"do_signal: Exit (not delivered), regs->gr[28] = %ld\n", regs->gr[28]); - if (test_thread_flag(TIF_RESTORE_SIGMASK)) { - clear_thread_flag(TIF_RESTORE_SIGMASK); - sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); - } - - return; + restore_saved_sigmask(); } void do_notify_resume(struct pt_regs *regs, long in_syscall) { - if (test_thread_flag(TIF_SIGPENDING) || - test_thread_flag(TIF_RESTORE_SIGMASK)) + if (test_thread_flag(TIF_SIGPENDING)) do_signal(regs, in_syscall); if (test_thread_flag(TIF_NOTIFY_RESUME)) { clear_thread_flag(TIF_NOTIFY_RESUME); tracehook_notify_resume(regs); - if (current->replacement_session_keyring) - key_replace_session_keyring(); } } diff --git a/arch/parisc/kernel/signal32.c b/arch/parisc/kernel/signal32.c index e1413243076..fd49aeda9eb 100644 --- a/arch/parisc/kernel/signal32.c +++ b/arch/parisc/kernel/signal32.c @@ -47,8 +47,6 @@ #define DBG(LEVEL, ...) #endif -#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) - inline void sigset_32to64(sigset_t *s64, compat_sigset_t *s32) { diff --git a/arch/parisc/kernel/vmlinux.lds.S b/arch/parisc/kernel/vmlinux.lds.S index fa6f2b8163e..64a999882e4 100644 --- a/arch/parisc/kernel/vmlinux.lds.S +++ b/arch/parisc/kernel/vmlinux.lds.S @@ -50,8 +50,10 @@ SECTIONS . = KERNEL_BINARY_TEXT_START; _text = .; /* Text and read-only data */ - .text ALIGN(16) : { + .head ALIGN(16) : { HEAD_TEXT + } = 0 + .text ALIGN(16) : { TEXT_TEXT SCHED_TEXT LOCK_TEXT @@ -65,7 +67,7 @@ SECTIONS *(.fixup) *(.lock.text) /* out-of-line lock text */ *(.gnu.warning) - } = 0 + } /* End of text section */ _etext = .; diff --git a/arch/parisc/lib/lusercopy.S b/arch/parisc/lib/lusercopy.S index 1bd23ccec17..6f2d9355efe 100644 --- a/arch/parisc/lib/lusercopy.S +++ b/arch/parisc/lib/lusercopy.S @@ -61,47 +61,6 @@ .endm /* - * long lstrncpy_from_user(char *dst, const char *src, long n) - * - * Returns -EFAULT if exception before terminator, - * N if the entire buffer filled, - * otherwise strlen (i.e. excludes zero byte) - */ - -ENTRY(lstrncpy_from_user) - .proc - .callinfo NO_CALLS - .entry - comib,= 0,%r24,$lsfu_done - copy %r24,%r23 - get_sr -1: ldbs,ma 1(%sr1,%r25),%r1 -$lsfu_loop: - stbs,ma %r1,1(%r26) - comib,=,n 0,%r1,$lsfu_done - addib,<>,n -1,%r24,$lsfu_loop -2: ldbs,ma 1(%sr1,%r25),%r1 -$lsfu_done: - sub %r23,%r24,%r28 -$lsfu_exit: - bv %r0(%r2) - nop - .exit -ENDPROC(lstrncpy_from_user) - - .section .fixup,"ax" -3: fixup_branch $lsfu_exit - ldi -EFAULT,%r28 - .previous - - .section __ex_table,"aw" - ASM_ULONG_INSN 1b,3b - ASM_ULONG_INSN 2b,3b - .previous - - .procend - - /* * unsigned long lclear_user(void *to, unsigned long n) * * Returns 0 for success. diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 00b9874e224..050cb371a69 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -135,6 +135,8 @@ config PPC select GENERIC_CMOS_UPDATE select GENERIC_TIME_VSYSCALL select GENERIC_CLOCKEVENTS + select GENERIC_STRNCPY_FROM_USER + select GENERIC_STRNLEN_USER config EARLY_PRINTK bool diff --git a/arch/powerpc/include/asm/posix_types.h b/arch/powerpc/include/asm/posix_types.h index f1393252bbd..2958c5b97b2 100644 --- a/arch/powerpc/include/asm/posix_types.h +++ b/arch/powerpc/include/asm/posix_types.h @@ -16,9 +16,6 @@ typedef int __kernel_ssize_t; typedef long __kernel_ptrdiff_t; #define __kernel_size_t __kernel_size_t -typedef unsigned short __kernel_nlink_t; -#define __kernel_nlink_t __kernel_nlink_t - typedef short __kernel_ipc_pid_t; #define __kernel_ipc_pid_t __kernel_ipc_pid_t #endif diff --git a/arch/powerpc/include/asm/stat.h b/arch/powerpc/include/asm/stat.h index e4edc510b53..84880b80cc1 100644 --- a/arch/powerpc/include/asm/stat.h +++ b/arch/powerpc/include/asm/stat.h @@ -30,11 +30,11 @@ struct stat { unsigned long st_dev; ino_t st_ino; #ifdef __powerpc64__ - nlink_t st_nlink; + unsigned long st_nlink; mode_t st_mode; #else mode_t st_mode; - nlink_t st_nlink; + unsigned short st_nlink; #endif uid_t st_uid; gid_t st_gid; diff --git a/arch/powerpc/include/asm/thread_info.h b/arch/powerpc/include/asm/thread_info.h index a556ccc16b5..68831e9cf82 100644 --- a/arch/powerpc/include/asm/thread_info.h +++ b/arch/powerpc/include/asm/thread_info.h @@ -140,7 +140,23 @@ static inline void set_restore_sigmask(void) { struct thread_info *ti = current_thread_info(); ti->local_flags |= _TLF_RESTORE_SIGMASK; - set_bit(TIF_SIGPENDING, &ti->flags); + WARN_ON(!test_bit(TIF_SIGPENDING, &ti->flags)); +} +static inline void clear_restore_sigmask(void) +{ + current_thread_info()->local_flags &= ~_TLF_RESTORE_SIGMASK; +} +static inline bool test_restore_sigmask(void) +{ + return current_thread_info()->local_flags & _TLF_RESTORE_SIGMASK; +} +static inline bool test_and_clear_restore_sigmask(void) +{ + struct thread_info *ti = current_thread_info(); + if (!(ti->local_flags & _TLF_RESTORE_SIGMASK)) + return false; + ti->local_flags &= ~_TLF_RESTORE_SIGMASK; + return true; } static inline bool test_thread_local_flags(unsigned int flags) diff --git a/arch/powerpc/include/asm/uaccess.h b/arch/powerpc/include/asm/uaccess.h index bd0fb849515..17bb40cad5b 100644 --- a/arch/powerpc/include/asm/uaccess.h +++ b/arch/powerpc/include/asm/uaccess.h @@ -40,6 +40,8 @@ #define segment_eq(a, b) ((a).seg == (b).seg) +#define user_addr_max() (get_fs().seg) + #ifdef __powerpc64__ /* * This check is sufficient because there is a large enough @@ -453,42 +455,9 @@ static inline unsigned long clear_user(void __user *addr, unsigned long size) return size; } -extern int __strncpy_from_user(char *dst, const char __user *src, long count); - -static inline long strncpy_from_user(char *dst, const char __user *src, - long count) -{ - might_sleep(); - if (likely(access_ok(VERIFY_READ, src, 1))) - return __strncpy_from_user(dst, src, count); - return -EFAULT; -} - -/* - * Return the size of a string (including the ending 0) - * - * Return 0 for error - */ -extern int __strnlen_user(const char __user *str, long len, unsigned long top); - -/* - * Returns the length of the string at str (including the null byte), - * or 0 if we hit a page we can't access, - * or something > len if we didn't find a null byte. - * - * The `top' parameter to __strnlen_user is to make sure that - * we can never overflow from the user area into kernel space. - */ -static inline int strnlen_user(const char __user *str, long len) -{ - unsigned long top = current->thread.fs.seg; - - if ((unsigned long)str > top) - return 0; - return __strnlen_user(str, len, top); -} - -#define strlen_user(str) strnlen_user((str), 0x7ffffffe) +extern long strncpy_from_user(char *dst, const char __user *src, long count); +extern __must_check long strlen_user(const char __user *str); +extern __must_check long strnlen_user(const char __user *str, long n); #endif /* __ASSEMBLY__ */ #endif /* __KERNEL__ */ diff --git a/arch/powerpc/include/asm/word-at-a-time.h b/arch/powerpc/include/asm/word-at-a-time.h new file mode 100644 index 00000000000..d0b6d4ac6dd --- /dev/null +++ b/arch/powerpc/include/asm/word-at-a-time.h @@ -0,0 +1,41 @@ +#ifndef _ASM_WORD_AT_A_TIME_H +#define _ASM_WORD_AT_A_TIME_H + +/* + * Word-at-a-time interfaces for PowerPC. + */ + +#include <linux/kernel.h> +#include <asm/asm-compat.h> + +struct word_at_a_time { + const unsigned long high_bits, low_bits; +}; + +#define WORD_AT_A_TIME_CONSTANTS { REPEAT_BYTE(0xfe) + 1, REPEAT_BYTE(0x7f) } + +/* Bit set in the bytes that have a zero */ +static inline long prep_zero_mask(unsigned long val, unsigned long rhs, const struct word_at_a_time *c) +{ + unsigned long mask = (val & c->low_bits) + c->low_bits; + return ~(mask | rhs); +} + +#define create_zero_mask(mask) (mask) + +static inline long find_zero(unsigned long mask) +{ + long leading_zero_bits; + + asm (PPC_CNTLZL "%0,%1" : "=r" (leading_zero_bits) : "r" (mask)); + return leading_zero_bits >> 3; +} + +static inline bool has_zero(unsigned long val, unsigned long *data, const struct word_at_a_time *c) +{ + unsigned long rhs = val | c->low_bits; + *data = rhs; + return (val + c->high_bits) & ~rhs; +} + +#endif /* _ASM_WORD_AT_A_TIME_H */ diff --git a/arch/powerpc/kernel/module_32.c b/arch/powerpc/kernel/module_32.c index 0b6d79617d7..2e3200ca485 100644 --- a/arch/powerpc/kernel/module_32.c +++ b/arch/powerpc/kernel/module_32.c @@ -176,8 +176,8 @@ int module_frob_arch_sections(Elf32_Ehdr *hdr, static inline int entry_matches(struct ppc_plt_entry *entry, Elf32_Addr val) { - if (entry->jump[0] == 0x3d600000 + ((val + 0x8000) >> 16) - && entry->jump[1] == 0x396b0000 + (val & 0xffff)) + if (entry->jump[0] == 0x3d800000 + ((val + 0x8000) >> 16) + && entry->jump[1] == 0x398c0000 + (val & 0xffff)) return 1; return 0; } @@ -204,10 +204,9 @@ static uint32_t do_plt_call(void *location, entry++; } - /* Stolen from Paul Mackerras as well... */ - entry->jump[0] = 0x3d600000+((val+0x8000)>>16); /* lis r11,sym@ha */ - entry->jump[1] = 0x396b0000 + (val&0xffff); /* addi r11,r11,sym@l*/ - entry->jump[2] = 0x7d6903a6; /* mtctr r11 */ + entry->jump[0] = 0x3d800000+((val+0x8000)>>16); /* lis r12,sym@ha */ + entry->jump[1] = 0x398c0000 + (val&0xffff); /* addi r12,r12,sym@l*/ + entry->jump[2] = 0x7d8903a6; /* mtctr r12 */ entry->jump[3] = 0x4e800420; /* bctr */ DEBUGP("Initialized plt for 0x%x at %p\n", val, entry); diff --git a/arch/powerpc/kernel/ppc_ksyms.c b/arch/powerpc/kernel/ppc_ksyms.c index d1f2aafcbe8..3e4031581c6 100644 --- a/arch/powerpc/kernel/ppc_ksyms.c +++ b/arch/powerpc/kernel/ppc_ksyms.c @@ -85,8 +85,6 @@ EXPORT_SYMBOL(csum_tcpudp_magic); EXPORT_SYMBOL(__copy_tofrom_user); EXPORT_SYMBOL(__clear_user); -EXPORT_SYMBOL(__strncpy_from_user); -EXPORT_SYMBOL(__strnlen_user); EXPORT_SYMBOL(copy_page); #if defined(CONFIG_PCI) && defined(CONFIG_PPC32) diff --git a/arch/powerpc/kernel/signal.c b/arch/powerpc/kernel/signal.c index 651c5963662..5c023c9cf16 100644 --- a/arch/powerpc/kernel/signal.c +++ b/arch/powerpc/kernel/signal.c @@ -51,16 +51,6 @@ void __user * get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, return (void __user *)newsp; } - -/* - * Restore the user process's signal mask - */ -void restore_sigmask(sigset_t *set) -{ - sigdelsetmask(set, ~_BLOCKABLE); - set_current_blocked(set); -} - static void check_syscall_restart(struct pt_regs *regs, struct k_sigaction *ka, int has_handler) { @@ -114,30 +104,21 @@ static void check_syscall_restart(struct pt_regs *regs, struct k_sigaction *ka, static int do_signal(struct pt_regs *regs) { - sigset_t *oldset; + sigset_t *oldset = sigmask_to_save(); siginfo_t info; int signr; struct k_sigaction ka; int ret; int is32 = is_32bit_task(); - if (current_thread_info()->local_flags & _TLF_RESTORE_SIGMASK) - oldset = ¤t->saved_sigmask; - else - oldset = ¤t->blocked; - signr = get_signal_to_deliver(&info, &ka, regs, NULL); /* Is there any syscall restart business here ? */ check_syscall_restart(regs, &ka, signr > 0); if (signr <= 0) { - struct thread_info *ti = current_thread_info(); /* No signal to deliver -- put the saved sigmask back */ - if (ti->local_flags & _TLF_RESTORE_SIGMASK) { - ti->local_flags &= ~_TLF_RESTORE_SIGMASK; - sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); - } + restore_saved_sigmask(); regs->trap = 0; return 0; /* no signals delivered */ } @@ -167,18 +148,7 @@ static int do_signal(struct pt_regs *regs) regs->trap = 0; if (ret) { - block_sigmask(&ka, signr); - - /* - * A signal was successfully delivered; the saved sigmask is in - * its frame, and we can clear the TLF_RESTORE_SIGMASK flag. - */ - current_thread_info()->local_flags &= ~_TLF_RESTORE_SIGMASK; - - /* - * Let tracing know that we've done the handler setup. - */ - tracehook_signal_handler(signr, &info, &ka, regs, + signal_delivered(signr, &info, &ka, regs, test_thread_flag(TIF_SINGLESTEP)); } @@ -193,8 +163,6 @@ void do_notify_resume(struct pt_regs *regs, unsigned long thread_info_flags) if (thread_info_flags & _TIF_NOTIFY_RESUME) { clear_thread_flag(TIF_NOTIFY_RESUME); tracehook_notify_resume(regs); - if (current->replacement_session_keyring) - key_replace_session_keyring(); } } diff --git a/arch/powerpc/kernel/signal.h b/arch/powerpc/kernel/signal.h index 8dde973aaaf..e00acb41393 100644 --- a/arch/powerpc/kernel/signal.h +++ b/arch/powerpc/kernel/signal.h @@ -10,13 +10,10 @@ #ifndef _POWERPC_ARCH_SIGNAL_H #define _POWERPC_ARCH_SIGNAL_H -#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) - extern void do_notify_resume(struct pt_regs *regs, unsigned long thread_info_flags); extern void __user * get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, size_t frame_size, int is_32); -extern void restore_sigmask(sigset_t *set); extern int handle_signal32(unsigned long sig, struct k_sigaction *ka, siginfo_t *info, sigset_t *oldset, diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c index 61f6aff25ed..8b4c049aee2 100644 --- a/arch/powerpc/kernel/signal_32.c +++ b/arch/powerpc/kernel/signal_32.c @@ -919,7 +919,7 @@ static int do_setcontext(struct ucontext __user *ucp, struct pt_regs *regs, int if (!access_ok(VERIFY_READ, mcp, sizeof(*mcp))) return -EFAULT; #endif - restore_sigmask(&set); + set_current_blocked(&set); if (restore_user_regs(regs, mcp, sig)) return -EFAULT; @@ -1273,7 +1273,7 @@ long sys_sigreturn(int r3, int r4, int r5, int r6, int r7, int r8, set.sig[0] = sigctx.oldmask; set.sig[1] = sigctx._unused[3]; #endif - restore_sigmask(&set); + set_current_blocked(&set); sr = (struct mcontext __user *)from_user_ptr(sigctx.regs); addr = sr; diff --git a/arch/powerpc/kernel/signal_64.c b/arch/powerpc/kernel/signal_64.c index 2692efdb154..d183f8719a5 100644 --- a/arch/powerpc/kernel/signal_64.c +++ b/arch/powerpc/kernel/signal_64.c @@ -335,7 +335,7 @@ int sys_swapcontext(struct ucontext __user *old_ctx, if (__copy_from_user(&set, &new_ctx->uc_sigmask, sizeof(set))) do_exit(SIGSEGV); - restore_sigmask(&set); + set_current_blocked(&set); if (restore_sigcontext(regs, NULL, 0, &new_ctx->uc_mcontext)) do_exit(SIGSEGV); @@ -364,7 +364,7 @@ int sys_rt_sigreturn(unsigned long r3, unsigned long r4, unsigned long r5, if (__copy_from_user(&set, &uc->uc_sigmask, sizeof(set))) goto badframe; - restore_sigmask(&set); + set_current_blocked(&set); if (restore_sigcontext(regs, NULL, 1, &uc->uc_mcontext)) goto badframe; diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c index 99a995c2a3f..be171ee73bf 100644 --- a/arch/powerpc/kernel/time.c +++ b/arch/powerpc/kernel/time.c @@ -475,6 +475,7 @@ void timer_interrupt(struct pt_regs * regs) struct pt_regs *old_regs; u64 *next_tb = &__get_cpu_var(decrementers_next_tb); struct clock_event_device *evt = &__get_cpu_var(decrementers); + u64 now; /* Ensure a positive value is written to the decrementer, or else * some CPUs will continue to take decrementer exceptions. @@ -509,9 +510,16 @@ void timer_interrupt(struct pt_regs * regs) irq_work_run(); } - *next_tb = ~(u64)0; - if (evt->event_handler) - evt->event_handler(evt); + now = get_tb_or_rtc(); + if (now >= *next_tb) { + *next_tb = ~(u64)0; + if (evt->event_handler) + evt->event_handler(evt); + } else { + now = *next_tb - now; + if (now <= DECREMENTER_MAX) + set_dec((int)now); + } #ifdef CONFIG_PPC64 /* collect purr register values often, for accurate calculations */ diff --git a/arch/powerpc/lib/string.S b/arch/powerpc/lib/string.S index 455881a5563..093d6316435 100644 --- a/arch/powerpc/lib/string.S +++ b/arch/powerpc/lib/string.S @@ -160,48 +160,3 @@ _GLOBAL(__clear_user) PPC_LONG 1b,91b PPC_LONG 8b,92b .text - -_GLOBAL(__strncpy_from_user) - addi r6,r3,-1 - addi r4,r4,-1 - cmpwi 0,r5,0 - beq 2f - mtctr r5 -1: lbzu r0,1(r4) - cmpwi 0,r0,0 - stbu r0,1(r6) - bdnzf 2,1b /* dec ctr, branch if ctr != 0 && !cr0.eq */ - beq 3f -2: addi r6,r6,1 -3: subf r3,r3,r6 - blr -99: li r3,-EFAULT - blr - - .section __ex_table,"a" - PPC_LONG 1b,99b - .text - -/* r3 = str, r4 = len (> 0), r5 = top (highest addr) */ -_GLOBAL(__strnlen_user) - addi r7,r3,-1 - subf r6,r7,r5 /* top+1 - str */ - cmplw 0,r4,r6 - bge 0f - mr r6,r4 -0: mtctr r6 /* ctr = min(len, top - str) */ -1: lbzu r0,1(r7) /* get next byte */ - cmpwi 0,r0,0 - bdnzf 2,1b /* loop if --ctr != 0 && byte != 0 */ - addi r7,r7,1 - subf r3,r3,r7 /* number of bytes we have looked at */ - beqlr /* return if we found a 0 byte */ - cmpw 0,r3,r4 /* did we look at all len bytes? */ - blt 99f /* if not, must have hit top */ - addi r3,r4,1 /* return len + 1 to indicate no null found */ - blr -99: li r3,0 /* bad address, return 0 */ - blr - - .section __ex_table,"a" - PPC_LONG 1b,99b diff --git a/arch/powerpc/mm/mmu_context_nohash.c b/arch/powerpc/mm/mmu_context_nohash.c index 5b63bd3da4a..e779642c25e 100644 --- a/arch/powerpc/mm/mmu_context_nohash.c +++ b/arch/powerpc/mm/mmu_context_nohash.c @@ -333,9 +333,7 @@ static int __cpuinit mmu_context_cpu_notify(struct notifier_block *self, unsigned long action, void *hcpu) { unsigned int cpu = (unsigned int)(long)hcpu; -#ifdef CONFIG_HOTPLUG_CPU - struct task_struct *p; -#endif + /* We don't touch CPU 0 map, it's allocated at aboot and kept * around forever */ @@ -358,12 +356,7 @@ static int __cpuinit mmu_context_cpu_notify(struct notifier_block *self, stale_map[cpu] = NULL; /* We also clear the cpu_vm_mask bits of CPUs going away */ - read_lock(&tasklist_lock); - for_each_process(p) { - if (p->mm) - cpumask_clear_cpu(cpu, mm_cpumask(p->mm)); - } - read_unlock(&tasklist_lock); + clear_tasks_mm_cpumask(cpu); break; #endif /* CONFIG_HOTPLUG_CPU */ } diff --git a/arch/powerpc/platforms/cell/spufs/inode.c b/arch/powerpc/platforms/cell/spufs/inode.c index 1d75c92ea8f..66519d263da 100644 --- a/arch/powerpc/platforms/cell/spufs/inode.c +++ b/arch/powerpc/platforms/cell/spufs/inode.c @@ -151,7 +151,7 @@ static void spufs_evict_inode(struct inode *inode) { struct spufs_inode_info *ei = SPUFS_I(inode); - end_writeback(inode); + clear_inode(inode); if (ei->i_ctx) put_spu_context(ei->i_ctx); if (ei->i_gang) diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index b403c533432..a39b4690c17 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -87,6 +87,7 @@ config S390 select ARCH_SAVE_PAGE_KEYS if HIBERNATION select HAVE_MEMBLOCK select HAVE_MEMBLOCK_NODE_MAP + select HAVE_CMPXCHG_LOCAL select ARCH_DISCARD_MEMBLOCK select ARCH_INLINE_SPIN_TRYLOCK select ARCH_INLINE_SPIN_TRYLOCK_BH diff --git a/arch/s390/hypfs/inode.c b/arch/s390/hypfs/inode.c index 6a2cb560e96..73dae8b9b77 100644 --- a/arch/s390/hypfs/inode.c +++ b/arch/s390/hypfs/inode.c @@ -115,7 +115,7 @@ static struct inode *hypfs_make_inode(struct super_block *sb, umode_t mode) static void hypfs_evict_inode(struct inode *inode) { - end_writeback(inode); + clear_inode(inode); kfree(inode->i_private); } diff --git a/arch/s390/include/asm/bitops.h b/arch/s390/include/asm/bitops.h index e5beb490959..a6ff5a83e22 100644 --- a/arch/s390/include/asm/bitops.h +++ b/arch/s390/include/asm/bitops.h @@ -13,8 +13,6 @@ * */ -#ifdef __KERNEL__ - #ifndef _LINUX_BITOPS_H #error only <linux/bitops.h> can be included directly #endif @@ -63,7 +61,7 @@ extern const char _ni_bitmap[]; extern const char _zb_findmap[]; extern const char _sb_findmap[]; -#ifndef __s390x__ +#ifndef CONFIG_64BIT #define __BITOPS_ALIGN 3 #define __BITOPS_WORDSIZE 32 @@ -83,7 +81,7 @@ extern const char _sb_findmap[]; : "d" (__val), "Q" (*(unsigned long *) __addr) \ : "cc"); -#else /* __s390x__ */ +#else /* CONFIG_64BIT */ #define __BITOPS_ALIGN 7 #define __BITOPS_WORDSIZE 64 @@ -103,7 +101,7 @@ extern const char _sb_findmap[]; : "d" (__val), "Q" (*(unsigned long *) __addr) \ : "cc"); -#endif /* __s390x__ */ +#endif /* CONFIG_64BIT */ #define __BITOPS_WORDS(bits) (((bits)+__BITOPS_WORDSIZE-1)/__BITOPS_WORDSIZE) #define __BITOPS_BARRIER() asm volatile("" : : : "memory") @@ -412,7 +410,7 @@ static inline unsigned long __ffz_word_loop(const unsigned long *addr, unsigned long bytes = 0; asm volatile( -#ifndef __s390x__ +#ifndef CONFIG_64BIT " ahi %1,-1\n" " sra %1,5\n" " jz 1f\n" @@ -449,7 +447,7 @@ static inline unsigned long __ffs_word_loop(const unsigned long *addr, unsigned long bytes = 0; asm volatile( -#ifndef __s390x__ +#ifndef CONFIG_64BIT " ahi %1,-1\n" " sra %1,5\n" " jz 1f\n" @@ -481,7 +479,7 @@ static inline unsigned long __ffs_word_loop(const unsigned long *addr, */ static inline unsigned long __ffz_word(unsigned long nr, unsigned long word) { -#ifdef __s390x__ +#ifdef CONFIG_64BIT if ((word & 0xffffffff) == 0xffffffff) { word >>= 32; nr += 32; @@ -505,7 +503,7 @@ static inline unsigned long __ffz_word(unsigned long nr, unsigned long word) */ static inline unsigned long __ffs_word(unsigned long nr, unsigned long word) { -#ifdef __s390x__ +#ifdef CONFIG_64BIT if ((word & 0xffffffff) == 0) { word >>= 32; nr += 32; @@ -546,7 +544,7 @@ static inline unsigned long __load_ulong_le(const unsigned long *p, unsigned long word; p = (unsigned long *)((unsigned long) p + offset); -#ifndef __s390x__ +#ifndef CONFIG_64BIT asm volatile( " ic %0,%O1(%R1)\n" " icm %0,2,%O1+1(%R1)\n" @@ -834,7 +832,4 @@ static inline int find_next_bit_le(void *vaddr, unsigned long size, #include <asm-generic/bitops/ext2-atomic-setbit.h> - -#endif /* __KERNEL__ */ - #endif /* _S390_BITOPS_H */ diff --git a/arch/s390/include/asm/cio.h b/arch/s390/include/asm/cio.h index fc50a3342da..4c8d4d5b8bd 100644 --- a/arch/s390/include/asm/cio.h +++ b/arch/s390/include/asm/cio.h @@ -10,8 +10,6 @@ #include <linux/spinlock.h> #include <asm/types.h> -#ifdef __KERNEL__ - #define LPM_ANYPATH 0xff #define __MAX_CSSID 0 @@ -291,5 +289,3 @@ int chsc_sstpc(void *page, unsigned int op, u16 ctrl); int chsc_sstpi(void *page, void *result, size_t size); #endif - -#endif diff --git a/arch/s390/include/asm/cmpxchg.h b/arch/s390/include/asm/cmpxchg.h index 81d7908416c..8d798e962b6 100644 --- a/arch/s390/include/asm/cmpxchg.h +++ b/arch/s390/include/asm/cmpxchg.h @@ -29,7 +29,7 @@ static inline unsigned long __xchg(unsigned long x, void *ptr, int size) " cs %0,0,%4\n" " jl 0b\n" : "=&d" (old), "=Q" (*(int *) addr) - : "d" (x << shift), "d" (~(255 << shift)), + : "d" ((x & 0xff) << shift), "d" (~(0xff << shift)), "Q" (*(int *) addr) : "memory", "cc", "0"); return old >> shift; case 2: @@ -44,7 +44,7 @@ static inline unsigned long __xchg(unsigned long x, void *ptr, int size) " cs %0,0,%4\n" " jl 0b\n" : "=&d" (old), "=Q" (*(int *) addr) - : "d" (x << shift), "d" (~(65535 << shift)), + : "d" ((x & 0xffff) << shift), "d" (~(0xffff << shift)), "Q" (*(int *) addr) : "memory", "cc", "0"); return old >> shift; case 4: @@ -113,9 +113,10 @@ static inline unsigned long __cmpxchg(void *ptr, unsigned long old, " nr %1,%5\n" " jnz 0b\n" "1:" - : "=&d" (prev), "=&d" (tmp), "=Q" (*(int *) ptr) - : "d" (old << shift), "d" (new << shift), - "d" (~(255 << shift)), "Q" (*(int *) ptr) + : "=&d" (prev), "=&d" (tmp), "+Q" (*(int *) addr) + : "d" ((old & 0xff) << shift), + "d" ((new & 0xff) << shift), + "d" (~(0xff << shift)) : "memory", "cc"); return prev >> shift; case 2: @@ -134,9 +135,10 @@ static inline unsigned long __cmpxchg(void *ptr, unsigned long old, " nr %1,%5\n" " jnz 0b\n" "1:" - : "=&d" (prev), "=&d" (tmp), "=Q" (*(int *) ptr) - : "d" (old << shift), "d" (new << shift), - "d" (~(65535 << shift)), "Q" (*(int *) ptr) + : "=&d" (prev), "=&d" (tmp), "+Q" (*(int *) addr) + : "d" ((old & 0xffff) << shift), + "d" ((new & 0xffff) << shift), + "d" (~(0xffff << shift)) : "memory", "cc"); return prev >> shift; case 4: @@ -160,9 +162,14 @@ static inline unsigned long __cmpxchg(void *ptr, unsigned long old, return old; } -#define cmpxchg(ptr, o, n) \ - ((__typeof__(*(ptr)))__cmpxchg((ptr), (unsigned long)(o), \ - (unsigned long)(n), sizeof(*(ptr)))) +#define cmpxchg(ptr, o, n) \ +({ \ + __typeof__(*(ptr)) __ret; \ + __ret = (__typeof__(*(ptr))) \ + __cmpxchg((ptr), (unsigned long)(o), (unsigned long)(n), \ + sizeof(*(ptr))); \ + __ret; \ +}) #ifdef CONFIG_64BIT #define cmpxchg64(ptr, o, n) \ @@ -181,13 +188,19 @@ static inline unsigned long long __cmpxchg64(void *ptr, " cds %0,%2,%1" : "+&d" (rp_old), "=Q" (ptr) : "d" (rp_new), "Q" (ptr) - : "cc"); + : "memory", "cc"); return rp_old.pair; } -#define cmpxchg64(ptr, o, n) \ - ((__typeof__(*(ptr)))__cmpxchg64((ptr), \ - (unsigned long long)(o), \ - (unsigned long long)(n))) + +#define cmpxchg64(ptr, o, n) \ +({ \ + __typeof__(*(ptr)) __ret; \ + __ret = (__typeof__(*(ptr))) \ + __cmpxchg64((ptr), \ + (unsigned long long)(o), \ + (unsigned long long)(n)); \ + __ret; \ +}) #endif /* CONFIG_64BIT */ #include <asm-generic/cmpxchg-local.h> @@ -216,8 +229,13 @@ static inline unsigned long __cmpxchg_local(void *ptr, * them available. */ #define cmpxchg_local(ptr, o, n) \ - ((__typeof__(*(ptr)))__cmpxchg_local((ptr), (unsigned long)(o), \ - (unsigned long)(n), sizeof(*(ptr)))) +({ \ + __typeof__(*(ptr)) __ret; \ + __ret = (__typeof__(*(ptr))) \ + __cmpxchg_local((ptr), (unsigned long)(o), \ + (unsigned long)(n), sizeof(*(ptr))); \ + __ret; \ +}) #define cmpxchg64_local(ptr, o, n) cmpxchg64((ptr), (o), (n)) diff --git a/arch/s390/include/asm/cputime.h b/arch/s390/include/asm/cputime.h index 24ef186a1c4..718374de9c7 100644 --- a/arch/s390/include/asm/cputime.h +++ b/arch/s390/include/asm/cputime.h @@ -21,15 +21,15 @@ typedef unsigned long long __nocast cputime64_t; static inline unsigned long __div(unsigned long long n, unsigned long base) { -#ifndef __s390x__ +#ifndef CONFIG_64BIT register_pair rp; rp.pair = n >> 1; asm ("dr %0,%1" : "+d" (rp) : "d" (base >> 1)); return rp.subreg.odd; -#else /* __s390x__ */ +#else /* CONFIG_64BIT */ return n / base; -#endif /* __s390x__ */ +#endif /* CONFIG_64BIT */ } #define cputime_one_jiffy jiffies_to_cputime(1) @@ -100,7 +100,7 @@ static inline void cputime_to_timespec(const cputime_t cputime, struct timespec *value) { unsigned long long __cputime = (__force unsigned long long) cputime; -#ifndef __s390x__ +#ifndef CONFIG_64BIT register_pair rp; rp.pair = __cputime >> 1; @@ -128,7 +128,7 @@ static inline void cputime_to_timeval(const cputime_t cputime, struct timeval *value) { unsigned long long __cputime = (__force unsigned long long) cputime; -#ifndef __s390x__ +#ifndef CONFIG_64BIT register_pair rp; rp.pair = __cputime >> 1; diff --git a/arch/s390/include/asm/ctl_reg.h b/arch/s390/include/asm/ctl_reg.h index ecde9417d66..debfda33d1f 100644 --- a/arch/s390/include/asm/ctl_reg.h +++ b/arch/s390/include/asm/ctl_reg.h @@ -7,7 +7,7 @@ #ifndef __ASM_CTL_REG_H #define __ASM_CTL_REG_H -#ifdef __s390x__ +#ifdef CONFIG_64BIT #define __ctl_load(array, low, high) ({ \ typedef struct { char _[sizeof(array)]; } addrtype; \ @@ -25,7 +25,7 @@ : "i" (low), "i" (high)); \ }) -#else /* __s390x__ */ +#else /* CONFIG_64BIT */ #define __ctl_load(array, low, high) ({ \ typedef struct { char _[sizeof(array)]; } addrtype; \ @@ -43,7 +43,7 @@ : "i" (low), "i" (high)); \ }) -#endif /* __s390x__ */ +#endif /* CONFIG_64BIT */ #define __ctl_set_bit(cr, bit) ({ \ unsigned long __dummy; \ diff --git a/arch/s390/include/asm/current.h b/arch/s390/include/asm/current.h index 83cf36cde2d..7a68084ec2f 100644 --- a/arch/s390/include/asm/current.h +++ b/arch/s390/include/asm/current.h @@ -11,13 +11,10 @@ #ifndef _S390_CURRENT_H #define _S390_CURRENT_H -#ifdef __KERNEL__ #include <asm/lowcore.h> struct task_struct; #define current ((struct task_struct *const)S390_lowcore.current_task) -#endif - #endif /* !(_S390_CURRENT_H) */ diff --git a/arch/s390/include/asm/elf.h b/arch/s390/include/asm/elf.h index c4ee39f7a4d..06151e6a309 100644 --- a/arch/s390/include/asm/elf.h +++ b/arch/s390/include/asm/elf.h @@ -107,11 +107,11 @@ /* * These are used to set parameters in the core dumps. */ -#ifndef __s390x__ +#ifndef CONFIG_64BIT #define ELF_CLASS ELFCLASS32 -#else /* __s390x__ */ +#else /* CONFIG_64BIT */ #define ELF_CLASS ELFCLASS64 -#endif /* __s390x__ */ +#endif /* CONFIG_64BIT */ #define ELF_DATA ELFDATA2MSB #define ELF_ARCH EM_S390 @@ -181,9 +181,9 @@ extern unsigned long elf_hwcap; extern char elf_platform[]; #define ELF_PLATFORM (elf_platform) -#ifndef __s390x__ +#ifndef CONFIG_64BIT #define SET_PERSONALITY(ex) set_personality(PER_LINUX) -#else /* __s390x__ */ +#else /* CONFIG_64BIT */ #define SET_PERSONALITY(ex) \ do { \ if (personality(current->personality) != PER_LINUX32) \ @@ -194,7 +194,7 @@ do { \ else \ clear_thread_flag(TIF_31BIT); \ } while (0) -#endif /* __s390x__ */ +#endif /* CONFIG_64BIT */ #define STACK_RND_MASK 0x7ffUL diff --git a/arch/s390/include/asm/futex.h b/arch/s390/include/asm/futex.h index 81cf36b691f..96bc83ea5c9 100644 --- a/arch/s390/include/asm/futex.h +++ b/arch/s390/include/asm/futex.h @@ -1,8 +1,6 @@ #ifndef _ASM_S390_FUTEX_H #define _ASM_S390_FUTEX_H -#ifdef __KERNEL__ - #include <linux/futex.h> #include <linux/uaccess.h> #include <asm/errno.h> @@ -48,5 +46,4 @@ static inline int futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr, return uaccess.futex_atomic_cmpxchg(uval, uaddr, oldval, newval); } -#endif /* __KERNEL__ */ #endif /* _ASM_S390_FUTEX_H */ diff --git a/arch/s390/include/asm/idals.h b/arch/s390/include/asm/idals.h index aae276d0038..aef0dde340d 100644 --- a/arch/s390/include/asm/idals.h +++ b/arch/s390/include/asm/idals.h @@ -20,7 +20,7 @@ #include <asm/cio.h> #include <asm/uaccess.h> -#ifdef __s390x__ +#ifdef CONFIG_64BIT #define IDA_SIZE_LOG 12 /* 11 for 2k , 12 for 4k */ #else #define IDA_SIZE_LOG 11 /* 11 for 2k , 12 for 4k */ @@ -33,7 +33,7 @@ static inline int idal_is_needed(void *vaddr, unsigned int length) { -#ifdef __s390x__ +#ifdef CONFIG_64BIT return ((__pa(vaddr) + length - 1) >> 31) != 0; #else return 0; @@ -78,7 +78,7 @@ static inline unsigned long *idal_create_words(unsigned long *idaws, static inline int set_normalized_cda(struct ccw1 * ccw, void *vaddr) { -#ifdef __s390x__ +#ifdef CONFIG_64BIT unsigned int nridaws; unsigned long *idal; @@ -105,7 +105,7 @@ set_normalized_cda(struct ccw1 * ccw, void *vaddr) static inline void clear_normalized_cda(struct ccw1 * ccw) { -#ifdef __s390x__ +#ifdef CONFIG_64BIT if (ccw->flags & CCW_FLAG_IDA) { kfree((void *)(unsigned long) ccw->cda); ccw->flags &= ~CCW_FLAG_IDA; @@ -182,7 +182,7 @@ idal_buffer_free(struct idal_buffer *ib) static inline int __idal_buffer_is_needed(struct idal_buffer *ib) { -#ifdef __s390x__ +#ifdef CONFIG_64BIT return ib->size > (4096ul << ib->page_order) || idal_is_needed(ib->data[0], ib->size); #else diff --git a/arch/s390/include/asm/io.h b/arch/s390/include/asm/io.h index 27216d31799..f81a0975cbe 100644 --- a/arch/s390/include/asm/io.h +++ b/arch/s390/include/asm/io.h @@ -11,8 +11,6 @@ #ifndef _S390_IO_H #define _S390_IO_H -#ifdef __KERNEL__ - #include <asm/page.h> #define IO_SPACE_LIMIT 0xffffffff @@ -46,6 +44,4 @@ void unxlate_dev_mem_ptr(unsigned long phys, void *addr); */ #define xlate_dev_kmem_ptr(p) p -#endif /* __KERNEL__ */ - #endif diff --git a/arch/s390/include/asm/irq.h b/arch/s390/include/asm/irq.h index 5289cacd486..2b9d41899d2 100644 --- a/arch/s390/include/asm/irq.h +++ b/arch/s390/include/asm/irq.h @@ -17,7 +17,8 @@ enum interruption_class { EXTINT_VRT, EXTINT_SCP, EXTINT_IUC, - EXTINT_CPM, + EXTINT_CMS, + EXTINT_CMC, IOINT_CIO, IOINT_QAI, IOINT_DAS, diff --git a/arch/s390/include/asm/kexec.h b/arch/s390/include/asm/kexec.h index 3f30dac804e..f4f38826eeb 100644 --- a/arch/s390/include/asm/kexec.h +++ b/arch/s390/include/asm/kexec.h @@ -10,10 +10,8 @@ #ifndef _S390_KEXEC_H #define _S390_KEXEC_H -#ifdef __KERNEL__ -#include <asm/page.h> -#endif #include <asm/processor.h> +#include <asm/page.h> /* * KEXEC_SOURCE_MEMORY_LIMIT maximum page get_free_page can return. * I.e. Maximum page that is mapped directly into kernel memory, diff --git a/arch/s390/include/asm/kmap_types.h b/arch/s390/include/asm/kmap_types.h index 94ec3ee0798..0a88622339e 100644 --- a/arch/s390/include/asm/kmap_types.h +++ b/arch/s390/include/asm/kmap_types.h @@ -1,8 +1,6 @@ -#ifdef __KERNEL__ #ifndef _ASM_KMAP_TYPES_H #define _ASM_KMAP_TYPES_H #include <asm-generic/kmap_types.h> #endif -#endif /* __KERNEL__ */ diff --git a/arch/s390/include/asm/mmu_context.h b/arch/s390/include/asm/mmu_context.h index 5d09e405c54..69bdf72e95e 100644 --- a/arch/s390/include/asm/mmu_context.h +++ b/arch/s390/include/asm/mmu_context.h @@ -49,7 +49,7 @@ static inline int init_new_context(struct task_struct *tsk, #define destroy_context(mm) do { } while (0) -#ifndef __s390x__ +#ifndef CONFIG_64BIT #define LCTL_OPCODE "lctl" #else #define LCTL_OPCODE "lctlg" diff --git a/arch/s390/include/asm/module.h b/arch/s390/include/asm/module.h index 1cc1c5af705..f0b6b26b6e5 100644 --- a/arch/s390/include/asm/module.h +++ b/arch/s390/include/asm/module.h @@ -28,7 +28,7 @@ struct mod_arch_specific struct mod_arch_syminfo *syminfo; }; -#ifdef __s390x__ +#ifdef CONFIG_64BIT #define ElfW(x) Elf64_ ## x #define ELFW(x) ELF64_ ## x #else diff --git a/arch/s390/include/asm/os_info.h b/arch/s390/include/asm/os_info.h index d07518af09e..295f2c4f1c9 100644 --- a/arch/s390/include/asm/os_info.h +++ b/arch/s390/include/asm/os_info.h @@ -13,7 +13,6 @@ #define OS_INFO_VMCOREINFO 0 #define OS_INFO_REIPL_BLOCK 1 -#define OS_INFO_INIT_FN 2 struct os_info_entry { u64 addr; @@ -28,8 +27,8 @@ struct os_info { u16 version_minor; u64 crashkernel_addr; u64 crashkernel_size; - struct os_info_entry entry[3]; - u8 reserved[4004]; + struct os_info_entry entry[2]; + u8 reserved[4024]; } __packed; void os_info_init(void); diff --git a/arch/s390/include/asm/percpu.h b/arch/s390/include/asm/percpu.h index 0fbd1899c7b..6537e72e085 100644 --- a/arch/s390/include/asm/percpu.h +++ b/arch/s390/include/asm/percpu.h @@ -15,7 +15,7 @@ * per cpu area, use weak definitions to force the compiler to * generate external references. */ -#if defined(CONFIG_SMP) && defined(__s390x__) && defined(MODULE) +#if defined(CONFIG_SMP) && defined(CONFIG_64BIT) && defined(MODULE) #define ARCH_NEEDS_WEAK_PER_CPU #endif diff --git a/arch/s390/include/asm/pgalloc.h b/arch/s390/include/asm/pgalloc.h index 78e3041919d..43078c19439 100644 --- a/arch/s390/include/asm/pgalloc.h +++ b/arch/s390/include/asm/pgalloc.h @@ -48,7 +48,7 @@ static inline void crst_table_init(unsigned long *crst, unsigned long entry) clear_table(crst, entry, sizeof(unsigned long)*2048); } -#ifndef __s390x__ +#ifndef CONFIG_64BIT static inline unsigned long pgd_entry_type(struct mm_struct *mm) { @@ -64,7 +64,7 @@ static inline unsigned long pgd_entry_type(struct mm_struct *mm) #define pgd_populate(mm, pgd, pud) BUG() #define pud_populate(mm, pud, pmd) BUG() -#else /* __s390x__ */ +#else /* CONFIG_64BIT */ static inline unsigned long pgd_entry_type(struct mm_struct *mm) { @@ -106,7 +106,7 @@ static inline void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd) pud_val(*pud) = _REGION3_ENTRY | __pa(pmd); } -#endif /* __s390x__ */ +#endif /* CONFIG_64BIT */ static inline pgd_t *pgd_alloc(struct mm_struct *mm) { diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h index 011358c1b18..b3227415abd 100644 --- a/arch/s390/include/asm/pgtable.h +++ b/arch/s390/include/asm/pgtable.h @@ -74,15 +74,15 @@ static inline int is_zero_pfn(unsigned long pfn) * table can map * PGDIR_SHIFT determines what a third-level page table entry can map */ -#ifndef __s390x__ +#ifndef CONFIG_64BIT # define PMD_SHIFT 20 # define PUD_SHIFT 20 # define PGDIR_SHIFT 20 -#else /* __s390x__ */ +#else /* CONFIG_64BIT */ # define PMD_SHIFT 20 # define PUD_SHIFT 31 # define PGDIR_SHIFT 42 -#endif /* __s390x__ */ +#endif /* CONFIG_64BIT */ #define PMD_SIZE (1UL << PMD_SHIFT) #define PMD_MASK (~(PMD_SIZE-1)) @@ -98,13 +98,13 @@ static inline int is_zero_pfn(unsigned long pfn) * that leads to 1024 pte per pgd */ #define PTRS_PER_PTE 256 -#ifndef __s390x__ +#ifndef CONFIG_64BIT #define PTRS_PER_PMD 1 #define PTRS_PER_PUD 1 -#else /* __s390x__ */ +#else /* CONFIG_64BIT */ #define PTRS_PER_PMD 2048 #define PTRS_PER_PUD 2048 -#endif /* __s390x__ */ +#endif /* CONFIG_64BIT */ #define PTRS_PER_PGD 2048 #define FIRST_USER_ADDRESS 0 @@ -276,7 +276,7 @@ extern struct page *vmemmap; * swap pte is 1011 and 0001, 0011, 0101, 0111 are invalid. */ -#ifndef __s390x__ +#ifndef CONFIG_64BIT /* Bits in the segment table address-space-control-element */ #define _ASCE_SPACE_SWITCH 0x80000000UL /* space switch event */ @@ -308,7 +308,7 @@ extern struct page *vmemmap; #define KVM_UR_BIT 0x00008000UL #define KVM_UC_BIT 0x00004000UL -#else /* __s390x__ */ +#else /* CONFIG_64BIT */ /* Bits in the segment/region table address-space-control-element */ #define _ASCE_ORIGIN ~0xfffUL/* segment table origin */ @@ -363,7 +363,7 @@ extern struct page *vmemmap; #define KVM_UR_BIT 0x0000800000000000UL #define KVM_UC_BIT 0x0000400000000000UL -#endif /* __s390x__ */ +#endif /* CONFIG_64BIT */ /* * A user page table pointer has the space-switch-event bit, the @@ -424,7 +424,7 @@ static inline int mm_has_pgste(struct mm_struct *mm) /* * pgd/pmd/pte query functions */ -#ifndef __s390x__ +#ifndef CONFIG_64BIT static inline int pgd_present(pgd_t pgd) { return 1; } static inline int pgd_none(pgd_t pgd) { return 0; } @@ -434,7 +434,7 @@ static inline int pud_present(pud_t pud) { return 1; } static inline int pud_none(pud_t pud) { return 0; } static inline int pud_bad(pud_t pud) { return 0; } -#else /* __s390x__ */ +#else /* CONFIG_64BIT */ static inline int pgd_present(pgd_t pgd) { @@ -490,7 +490,7 @@ static inline int pud_bad(pud_t pud) return (pud_val(pud) & mask) != 0; } -#endif /* __s390x__ */ +#endif /* CONFIG_64BIT */ static inline int pmd_present(pmd_t pmd) { @@ -741,7 +741,7 @@ static inline int pte_young(pte_t pte) static inline void pgd_clear(pgd_t *pgd) { -#ifdef __s390x__ +#ifdef CONFIG_64BIT if ((pgd_val(*pgd) & _REGION_ENTRY_TYPE_MASK) == _REGION_ENTRY_TYPE_R2) pgd_val(*pgd) = _REGION2_ENTRY_EMPTY; #endif @@ -749,7 +749,7 @@ static inline void pgd_clear(pgd_t *pgd) static inline void pud_clear(pud_t *pud) { -#ifdef __s390x__ +#ifdef CONFIG_64BIT if ((pud_val(*pud) & _REGION_ENTRY_TYPE_MASK) == _REGION_ENTRY_TYPE_R3) pud_val(*pud) = _REGION3_ENTRY_EMPTY; #endif @@ -921,7 +921,7 @@ static inline int ptep_clear_flush_young(struct vm_area_struct *vma, static inline void __ptep_ipte(unsigned long address, pte_t *ptep) { if (!(pte_val(*ptep) & _PAGE_INVALID)) { -#ifndef __s390x__ +#ifndef CONFIG_64BIT /* pto must point to the start of the segment table */ pte_t *pto = (pte_t *) (((unsigned long) ptep) & 0x7ffffc00); #else @@ -1116,7 +1116,7 @@ static inline pte_t mk_pte(struct page *page, pgprot_t pgprot) #define pgd_offset(mm, address) ((mm)->pgd + pgd_index(address)) #define pgd_offset_k(address) pgd_offset(&init_mm, address) -#ifndef __s390x__ +#ifndef CONFIG_64BIT #define pmd_deref(pmd) (pmd_val(pmd) & _SEGMENT_ENTRY_ORIGIN) #define pud_deref(pmd) ({ BUG(); 0UL; }) @@ -1125,7 +1125,7 @@ static inline pte_t mk_pte(struct page *page, pgprot_t pgprot) #define pud_offset(pgd, address) ((pud_t *) pgd) #define pmd_offset(pud, address) ((pmd_t *) pud + pmd_index(address)) -#else /* __s390x__ */ +#else /* CONFIG_64BIT */ #define pmd_deref(pmd) (pmd_val(pmd) & _SEGMENT_ENTRY_ORIGIN) #define pud_deref(pud) (pud_val(pud) & _REGION_ENTRY_ORIGIN) @@ -1147,7 +1147,7 @@ static inline pmd_t *pmd_offset(pud_t *pud, unsigned long address) return pmd + pmd_index(address); } -#endif /* __s390x__ */ +#endif /* CONFIG_64BIT */ #define pfn_pte(pfn,pgprot) mk_pte_phys(__pa((pfn) << PAGE_SHIFT),(pgprot)) #define pte_pfn(x) (pte_val(x) >> PAGE_SHIFT) @@ -1196,7 +1196,7 @@ static inline pmd_t *pmd_offset(pud_t *pud, unsigned long address) * 0000000000111111111122222222223333333333444444444455 5555 5 55566 66 * 0123456789012345678901234567890123456789012345678901 2345 6 78901 23 */ -#ifndef __s390x__ +#ifndef CONFIG_64BIT #define __SWP_OFFSET_MASK (~0UL >> 12) #else #define __SWP_OFFSET_MASK (~0UL >> 11) @@ -1217,11 +1217,11 @@ static inline pte_t mk_swap_pte(unsigned long type, unsigned long offset) #define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) }) #define __swp_entry_to_pte(x) ((pte_t) { (x).val }) -#ifndef __s390x__ +#ifndef CONFIG_64BIT # define PTE_FILE_MAX_BITS 26 -#else /* __s390x__ */ +#else /* CONFIG_64BIT */ # define PTE_FILE_MAX_BITS 59 -#endif /* __s390x__ */ +#endif /* CONFIG_64BIT */ #define pte_to_pgoff(__pte) \ ((((__pte).pte >> 12) << 7) + (((__pte).pte >> 1) & 0x7f)) diff --git a/arch/s390/include/asm/posix_types.h b/arch/s390/include/asm/posix_types.h index edf8527ff08..7be104c0f19 100644 --- a/arch/s390/include/asm/posix_types.h +++ b/arch/s390/include/asm/posix_types.h @@ -24,7 +24,6 @@ typedef unsigned short __kernel_old_dev_t; typedef unsigned long __kernel_ino_t; typedef unsigned short __kernel_mode_t; -typedef unsigned short __kernel_nlink_t; typedef unsigned short __kernel_ipc_pid_t; typedef unsigned short __kernel_uid_t; typedef unsigned short __kernel_gid_t; @@ -35,7 +34,6 @@ typedef int __kernel_ptrdiff_t; typedef unsigned int __kernel_ino_t; typedef unsigned int __kernel_mode_t; -typedef unsigned int __kernel_nlink_t; typedef int __kernel_ipc_pid_t; typedef unsigned int __kernel_uid_t; typedef unsigned int __kernel_gid_t; @@ -47,7 +45,6 @@ typedef unsigned long __kernel_sigset_t; /* at least 32 bits */ #define __kernel_ino_t __kernel_ino_t #define __kernel_mode_t __kernel_mode_t -#define __kernel_nlink_t __kernel_nlink_t #define __kernel_ipc_pid_t __kernel_ipc_pid_t #define __kernel_uid_t __kernel_uid_t #define __kernel_gid_t __kernel_gid_t diff --git a/arch/s390/include/asm/processor.h b/arch/s390/include/asm/processor.h index 6cbf3131167..20d0585cf90 100644 --- a/arch/s390/include/asm/processor.h +++ b/arch/s390/include/asm/processor.h @@ -20,7 +20,6 @@ #include <asm/ptrace.h> #include <asm/setup.h> -#ifdef __KERNEL__ /* * Default implementation of macro that returns current * instruction pointer ("program counter"). @@ -33,39 +32,33 @@ static inline void get_cpu_id(struct cpuid *ptr) } extern void s390_adjust_jiffies(void); -extern int get_cpu_capability(unsigned int *); extern const struct seq_operations cpuinfo_op; extern int sysctl_ieee_emulation_warnings; /* * User space process size: 2GB for 31 bit, 4TB or 8PT for 64 bit. */ -#ifndef __s390x__ +#ifndef CONFIG_64BIT #define TASK_SIZE (1UL << 31) #define TASK_UNMAPPED_BASE (1UL << 30) -#else /* __s390x__ */ +#else /* CONFIG_64BIT */ #define TASK_SIZE_OF(tsk) ((tsk)->mm->context.asce_limit) #define TASK_UNMAPPED_BASE (test_thread_flag(TIF_31BIT) ? \ (1UL << 30) : (1UL << 41)) #define TASK_SIZE TASK_SIZE_OF(current) -#endif /* __s390x__ */ +#endif /* CONFIG_64BIT */ -#ifdef __KERNEL__ - -#ifndef __s390x__ +#ifndef CONFIG_64BIT #define STACK_TOP (1UL << 31) #define STACK_TOP_MAX (1UL << 31) -#else /* __s390x__ */ +#else /* CONFIG_64BIT */ #define STACK_TOP (1UL << (test_thread_flag(TIF_31BIT) ? 31:42)) #define STACK_TOP_MAX (1UL << 42) -#endif /* __s390x__ */ - - -#endif +#endif /* CONFIG_64BIT */ #define HAVE_ARCH_PICK_MMAP_LAYOUT @@ -182,7 +175,7 @@ static inline void psw_set_key(unsigned int key) */ static inline void __load_psw(psw_t psw) { -#ifndef __s390x__ +#ifndef CONFIG_64BIT asm volatile("lpsw %0" : : "Q" (psw) : "cc"); #else asm volatile("lpswe %0" : : "Q" (psw) : "cc"); @@ -200,7 +193,7 @@ static inline void __load_psw_mask (unsigned long mask) psw.mask = mask; -#ifndef __s390x__ +#ifndef CONFIG_64BIT asm volatile( " basr %0,0\n" "0: ahi %0,1f-0b\n" @@ -208,14 +201,14 @@ static inline void __load_psw_mask (unsigned long mask) " lpsw %1\n" "1:" : "=&d" (addr), "=Q" (psw) : "Q" (psw) : "memory", "cc"); -#else /* __s390x__ */ +#else /* CONFIG_64BIT */ asm volatile( " larl %0,1f\n" " stg %0,%O1+8(%R1)\n" " lpswe %1\n" "1:" : "=&d" (addr), "=Q" (psw) : "Q" (psw) : "memory", "cc"); -#endif /* __s390x__ */ +#endif /* CONFIG_64BIT */ } /* @@ -223,7 +216,7 @@ static inline void __load_psw_mask (unsigned long mask) */ static inline unsigned long __rewind_psw(psw_t psw, unsigned long ilc) { -#ifndef __s390x__ +#ifndef CONFIG_64BIT if (psw.addr & PSW_ADDR_AMODE) /* 31 bit mode */ return (psw.addr - ilc) | PSW_ADDR_AMODE; @@ -253,7 +246,7 @@ static inline void __noreturn disabled_wait(unsigned long code) * Store status and then load disabled wait psw, * the processor is dead afterwards */ -#ifndef __s390x__ +#ifndef CONFIG_64BIT asm volatile( " stctl 0,0,0(%2)\n" " ni 0(%2),0xef\n" /* switch off protection */ @@ -272,7 +265,7 @@ static inline void __noreturn disabled_wait(unsigned long code) " lpsw 0(%1)" : "=m" (ctl_buf) : "a" (&dw_psw), "a" (&ctl_buf), "m" (dw_psw) : "cc"); -#else /* __s390x__ */ +#else /* CONFIG_64BIT */ asm volatile( " stctg 0,0,0(%2)\n" " ni 4(%2),0xef\n" /* switch off protection */ @@ -305,7 +298,7 @@ static inline void __noreturn disabled_wait(unsigned long code) " lpswe 0(%1)" : "=m" (ctl_buf) : "a" (&dw_psw), "a" (&ctl_buf), "m" (dw_psw) : "cc", "0", "1"); -#endif /* __s390x__ */ +#endif /* CONFIG_64BIT */ while (1); } @@ -338,12 +331,10 @@ extern void (*s390_base_ext_handler_fn)(void); #define ARCH_LOW_ADDRESS_LIMIT 0x7fffffffUL -#endif - /* * Helper macro for exception table entries */ -#ifndef __s390x__ +#ifndef CONFIG_64BIT #define EX_TABLE(_fault,_target) \ ".section __ex_table,\"a\"\n" \ " .align 4\n" \ diff --git a/arch/s390/include/asm/rwsem.h b/arch/s390/include/asm/rwsem.h index d0eb4653ceb..1ceee10264c 100644 --- a/arch/s390/include/asm/rwsem.h +++ b/arch/s390/include/asm/rwsem.h @@ -41,19 +41,17 @@ #error "please don't include asm/rwsem.h directly, use linux/rwsem.h instead" #endif -#ifdef __KERNEL__ - -#ifndef __s390x__ +#ifndef CONFIG_64BIT #define RWSEM_UNLOCKED_VALUE 0x00000000 #define RWSEM_ACTIVE_BIAS 0x00000001 #define RWSEM_ACTIVE_MASK 0x0000ffff #define RWSEM_WAITING_BIAS (-0x00010000) -#else /* __s390x__ */ +#else /* CONFIG_64BIT */ #define RWSEM_UNLOCKED_VALUE 0x0000000000000000L #define RWSEM_ACTIVE_BIAS 0x0000000000000001L #define RWSEM_ACTIVE_MASK 0x00000000ffffffffL #define RWSEM_WAITING_BIAS (-0x0000000100000000L) -#endif /* __s390x__ */ +#endif /* CONFIG_64BIT */ #define RWSEM_ACTIVE_READ_BIAS RWSEM_ACTIVE_BIAS #define RWSEM_ACTIVE_WRITE_BIAS (RWSEM_WAITING_BIAS + RWSEM_ACTIVE_BIAS) @@ -65,19 +63,19 @@ static inline void __down_read(struct rw_semaphore *sem) signed long old, new; asm volatile( -#ifndef __s390x__ +#ifndef CONFIG_64BIT " l %0,%2\n" "0: lr %1,%0\n" " ahi %1,%4\n" " cs %0,%1,%2\n" " jl 0b" -#else /* __s390x__ */ +#else /* CONFIG_64BIT */ " lg %0,%2\n" "0: lgr %1,%0\n" " aghi %1,%4\n" " csg %0,%1,%2\n" " jl 0b" -#endif /* __s390x__ */ +#endif /* CONFIG_64BIT */ : "=&d" (old), "=&d" (new), "=Q" (sem->count) : "Q" (sem->count), "i" (RWSEM_ACTIVE_READ_BIAS) : "cc", "memory"); @@ -93,7 +91,7 @@ static inline int __down_read_trylock(struct rw_semaphore *sem) signed long old, new; asm volatile( -#ifndef __s390x__ +#ifndef CONFIG_64BIT " l %0,%2\n" "0: ltr %1,%0\n" " jm 1f\n" @@ -101,7 +99,7 @@ static inline int __down_read_trylock(struct rw_semaphore *sem) " cs %0,%1,%2\n" " jl 0b\n" "1:" -#else /* __s390x__ */ +#else /* CONFIG_64BIT */ " lg %0,%2\n" "0: ltgr %1,%0\n" " jm 1f\n" @@ -109,7 +107,7 @@ static inline int __down_read_trylock(struct rw_semaphore *sem) " csg %0,%1,%2\n" " jl 0b\n" "1:" -#endif /* __s390x__ */ +#endif /* CONFIG_64BIT */ : "=&d" (old), "=&d" (new), "=Q" (sem->count) : "Q" (sem->count), "i" (RWSEM_ACTIVE_READ_BIAS) : "cc", "memory"); @@ -125,19 +123,19 @@ static inline void __down_write_nested(struct rw_semaphore *sem, int subclass) tmp = RWSEM_ACTIVE_WRITE_BIAS; asm volatile( -#ifndef __s390x__ +#ifndef CONFIG_64BIT " l %0,%2\n" "0: lr %1,%0\n" " a %1,%4\n" " cs %0,%1,%2\n" " jl 0b" -#else /* __s390x__ */ +#else /* CONFIG_64BIT */ " lg %0,%2\n" "0: lgr %1,%0\n" " ag %1,%4\n" " csg %0,%1,%2\n" " jl 0b" -#endif /* __s390x__ */ +#endif /* CONFIG_64BIT */ : "=&d" (old), "=&d" (new), "=Q" (sem->count) : "Q" (sem->count), "m" (tmp) : "cc", "memory"); @@ -158,19 +156,19 @@ static inline int __down_write_trylock(struct rw_semaphore *sem) signed long old; asm volatile( -#ifndef __s390x__ +#ifndef CONFIG_64BIT " l %0,%1\n" "0: ltr %0,%0\n" " jnz 1f\n" " cs %0,%3,%1\n" " jl 0b\n" -#else /* __s390x__ */ +#else /* CONFIG_64BIT */ " lg %0,%1\n" "0: ltgr %0,%0\n" " jnz 1f\n" " csg %0,%3,%1\n" " jl 0b\n" -#endif /* __s390x__ */ +#endif /* CONFIG_64BIT */ "1:" : "=&d" (old), "=Q" (sem->count) : "Q" (sem->count), "d" (RWSEM_ACTIVE_WRITE_BIAS) @@ -186,19 +184,19 @@ static inline void __up_read(struct rw_semaphore *sem) signed long old, new; asm volatile( -#ifndef __s390x__ +#ifndef CONFIG_64BIT " l %0,%2\n" "0: lr %1,%0\n" " ahi %1,%4\n" " cs %0,%1,%2\n" " jl 0b" -#else /* __s390x__ */ +#else /* CONFIG_64BIT */ " lg %0,%2\n" "0: lgr %1,%0\n" " aghi %1,%4\n" " csg %0,%1,%2\n" " jl 0b" -#endif /* __s390x__ */ +#endif /* CONFIG_64BIT */ : "=&d" (old), "=&d" (new), "=Q" (sem->count) : "Q" (sem->count), "i" (-RWSEM_ACTIVE_READ_BIAS) : "cc", "memory"); @@ -216,19 +214,19 @@ static inline void __up_write(struct rw_semaphore *sem) tmp = -RWSEM_ACTIVE_WRITE_BIAS; asm volatile( -#ifndef __s390x__ +#ifndef CONFIG_64BIT " l %0,%2\n" "0: lr %1,%0\n" " a %1,%4\n" " cs %0,%1,%2\n" " jl 0b" -#else /* __s390x__ */ +#else /* CONFIG_64BIT */ " lg %0,%2\n" "0: lgr %1,%0\n" " ag %1,%4\n" " csg %0,%1,%2\n" " jl 0b" -#endif /* __s390x__ */ +#endif /* CONFIG_64BIT */ : "=&d" (old), "=&d" (new), "=Q" (sem->count) : "Q" (sem->count), "m" (tmp) : "cc", "memory"); @@ -246,19 +244,19 @@ static inline void __downgrade_write(struct rw_semaphore *sem) tmp = -RWSEM_WAITING_BIAS; asm volatile( -#ifndef __s390x__ +#ifndef CONFIG_64BIT " l %0,%2\n" "0: lr %1,%0\n" " a %1,%4\n" " cs %0,%1,%2\n" " jl 0b" -#else /* __s390x__ */ +#else /* CONFIG_64BIT */ " lg %0,%2\n" "0: lgr %1,%0\n" " ag %1,%4\n" " csg %0,%1,%2\n" " jl 0b" -#endif /* __s390x__ */ +#endif /* CONFIG_64BIT */ : "=&d" (old), "=&d" (new), "=Q" (sem->count) : "Q" (sem->count), "m" (tmp) : "cc", "memory"); @@ -274,19 +272,19 @@ static inline void rwsem_atomic_add(long delta, struct rw_semaphore *sem) signed long old, new; asm volatile( -#ifndef __s390x__ +#ifndef CONFIG_64BIT " l %0,%2\n" "0: lr %1,%0\n" " ar %1,%4\n" " cs %0,%1,%2\n" " jl 0b" -#else /* __s390x__ */ +#else /* CONFIG_64BIT */ " lg %0,%2\n" "0: lgr %1,%0\n" " agr %1,%4\n" " csg %0,%1,%2\n" " jl 0b" -#endif /* __s390x__ */ +#endif /* CONFIG_64BIT */ : "=&d" (old), "=&d" (new), "=Q" (sem->count) : "Q" (sem->count), "d" (delta) : "cc", "memory"); @@ -300,24 +298,23 @@ static inline long rwsem_atomic_update(long delta, struct rw_semaphore *sem) signed long old, new; asm volatile( -#ifndef __s390x__ +#ifndef CONFIG_64BIT " l %0,%2\n" "0: lr %1,%0\n" " ar %1,%4\n" " cs %0,%1,%2\n" " jl 0b" -#else /* __s390x__ */ +#else /* CONFIG_64BIT */ " lg %0,%2\n" "0: lgr %1,%0\n" " agr %1,%4\n" " csg %0,%1,%2\n" " jl 0b" -#endif /* __s390x__ */ +#endif /* CONFIG_64BIT */ : "=&d" (old), "=&d" (new), "=Q" (sem->count) : "Q" (sem->count), "d" (delta) : "cc", "memory"); return new; } -#endif /* __KERNEL__ */ #endif /* _S390_RWSEM_H */ diff --git a/arch/s390/include/asm/setup.h b/arch/s390/include/asm/setup.h index 7244e1f6412..40eb2ff88e9 100644 --- a/arch/s390/include/asm/setup.h +++ b/arch/s390/include/asm/setup.h @@ -22,19 +22,19 @@ #include <asm/lowcore.h> #include <asm/types.h> -#ifndef __s390x__ +#ifndef CONFIG_64BIT #define IPL_DEVICE (*(unsigned long *) (0x10404)) #define INITRD_START (*(unsigned long *) (0x1040C)) #define INITRD_SIZE (*(unsigned long *) (0x10414)) #define OLDMEM_BASE (*(unsigned long *) (0x1041C)) #define OLDMEM_SIZE (*(unsigned long *) (0x10424)) -#else /* __s390x__ */ +#else /* CONFIG_64BIT */ #define IPL_DEVICE (*(unsigned long *) (0x10400)) #define INITRD_START (*(unsigned long *) (0x10408)) #define INITRD_SIZE (*(unsigned long *) (0x10410)) #define OLDMEM_BASE (*(unsigned long *) (0x10418)) #define OLDMEM_SIZE (*(unsigned long *) (0x10420)) -#endif /* __s390x__ */ +#endif /* CONFIG_64BIT */ #define COMMAND_LINE ((char *) (0x10480)) #define CHUNK_READ_WRITE 0 @@ -89,7 +89,7 @@ extern unsigned int user_mode; #define MACHINE_HAS_DIAG9C (S390_lowcore.machine_flags & MACHINE_FLAG_DIAG9C) -#ifndef __s390x__ +#ifndef CONFIG_64BIT #define MACHINE_HAS_IEEE (S390_lowcore.machine_flags & MACHINE_FLAG_IEEE) #define MACHINE_HAS_CSP (S390_lowcore.machine_flags & MACHINE_FLAG_CSP) #define MACHINE_HAS_IDTE (0) @@ -100,7 +100,7 @@ extern unsigned int user_mode; #define MACHINE_HAS_PFMF (0) #define MACHINE_HAS_SPP (0) #define MACHINE_HAS_TOPOLOGY (0) -#else /* __s390x__ */ +#else /* CONFIG_64BIT */ #define MACHINE_HAS_IEEE (1) #define MACHINE_HAS_CSP (1) #define MACHINE_HAS_IDTE (S390_lowcore.machine_flags & MACHINE_FLAG_IDTE) @@ -111,7 +111,7 @@ extern unsigned int user_mode; #define MACHINE_HAS_PFMF (S390_lowcore.machine_flags & MACHINE_FLAG_PFMF) #define MACHINE_HAS_SPP (S390_lowcore.machine_flags & MACHINE_FLAG_SPP) #define MACHINE_HAS_TOPOLOGY (S390_lowcore.machine_flags & MACHINE_FLAG_TOPOLOGY) -#endif /* __s390x__ */ +#endif /* CONFIG_64BIT */ #define ZFCPDUMP_HSA_SIZE (32UL<<20) #define ZFCPDUMP_HSA_SIZE_MAX (64UL<<20) @@ -153,19 +153,19 @@ extern void (*_machine_power_off)(void); #else /* __ASSEMBLY__ */ -#ifndef __s390x__ +#ifndef CONFIG_64BIT #define IPL_DEVICE 0x10404 #define INITRD_START 0x1040C #define INITRD_SIZE 0x10414 #define OLDMEM_BASE 0x1041C #define OLDMEM_SIZE 0x10424 -#else /* __s390x__ */ +#else /* CONFIG_64BIT */ #define IPL_DEVICE 0x10400 #define INITRD_START 0x10408 #define INITRD_SIZE 0x10410 #define OLDMEM_BASE 0x10418 #define OLDMEM_SIZE 0x10420 -#endif /* __s390x__ */ +#endif /* CONFIG_64BIT */ #define COMMAND_LINE 0x10480 #endif /* __ASSEMBLY__ */ diff --git a/arch/s390/include/asm/sfp-util.h b/arch/s390/include/asm/sfp-util.h index ca3f8814e36..5959bfb3b69 100644 --- a/arch/s390/include/asm/sfp-util.h +++ b/arch/s390/include/asm/sfp-util.h @@ -51,7 +51,7 @@ wl = __wl; \ }) -#ifdef __s390x__ +#ifdef CONFIG_64BIT #define udiv_qrnnd(q, r, n1, n0, d) \ do { unsigned long __n; \ unsigned int __r, __d; \ diff --git a/arch/s390/include/asm/string.h b/arch/s390/include/asm/string.h index cd0241db5a4..8cc160c9e1c 100644 --- a/arch/s390/include/asm/string.h +++ b/arch/s390/include/asm/string.h @@ -9,8 +9,6 @@ #ifndef _S390_STRING_H_ #define _S390_STRING_H_ -#ifdef __KERNEL__ - #ifndef _LINUX_TYPES_H #include <linux/types.h> #endif @@ -152,6 +150,4 @@ size_t strlen(const char *s); size_t strnlen(const char * s, size_t n); #endif /* !IN_ARCH_STRING_C */ -#endif /* __KERNEL__ */ - #endif /* __S390_STRING_H_ */ diff --git a/arch/s390/include/asm/thread_info.h b/arch/s390/include/asm/thread_info.h index 003b04edcff..4e40b25cd06 100644 --- a/arch/s390/include/asm/thread_info.h +++ b/arch/s390/include/asm/thread_info.h @@ -9,15 +9,13 @@ #ifndef _ASM_THREAD_INFO_H #define _ASM_THREAD_INFO_H -#ifdef __KERNEL__ - /* * Size of kernel stack for each process */ -#ifndef __s390x__ +#ifndef CONFIG_64BIT #define THREAD_ORDER 1 #define ASYNC_ORDER 1 -#else /* __s390x__ */ +#else /* CONFIG_64BIT */ #ifndef __SMALL_STACK #define THREAD_ORDER 2 #define ASYNC_ORDER 2 @@ -25,7 +23,7 @@ #define THREAD_ORDER 1 #define ASYNC_ORDER 1 #endif -#endif /* __s390x__ */ +#endif /* CONFIG_64BIT */ #define THREAD_SIZE (PAGE_SIZE << THREAD_ORDER) #define ASYNC_SIZE (PAGE_SIZE << ASYNC_ORDER) @@ -123,8 +121,6 @@ static inline struct thread_info *current_thread_info(void) #define is_32bit_task() (1) #endif -#endif /* __KERNEL__ */ - #define PREEMPT_ACTIVE 0x4000000 #endif /* _ASM_THREAD_INFO_H */ diff --git a/arch/s390/include/asm/timer.h b/arch/s390/include/asm/timer.h index e63069ba39e..15d647901e5 100644 --- a/arch/s390/include/asm/timer.h +++ b/arch/s390/include/asm/timer.h @@ -10,8 +10,6 @@ #ifndef _ASM_S390_TIMER_H #define _ASM_S390_TIMER_H -#ifdef __KERNEL__ - #include <linux/timer.h> #define VTIMER_MAX_SLICE (0x7ffffffffffff000LL) @@ -50,6 +48,4 @@ extern void vtime_init(void); extern void vtime_stop_cpu(void); extern void vtime_start_leave(void); -#endif /* __KERNEL__ */ - #endif /* _ASM_S390_TIMER_H */ diff --git a/arch/s390/include/asm/tlb.h b/arch/s390/include/asm/tlb.h index 775a5eea8f9..06e5acbc84b 100644 --- a/arch/s390/include/asm/tlb.h +++ b/arch/s390/include/asm/tlb.h @@ -106,7 +106,7 @@ static inline void pte_free_tlb(struct mmu_gather *tlb, pgtable_t pte, static inline void pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmd, unsigned long address) { -#ifdef __s390x__ +#ifdef CONFIG_64BIT if (tlb->mm->context.asce_limit <= (1UL << 31)) return; if (!tlb->fullmm) @@ -125,7 +125,7 @@ static inline void pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmd, static inline void pud_free_tlb(struct mmu_gather *tlb, pud_t *pud, unsigned long address) { -#ifdef __s390x__ +#ifdef CONFIG_64BIT if (tlb->mm->context.asce_limit <= (1UL << 42)) return; if (!tlb->fullmm) diff --git a/arch/s390/include/asm/tlbflush.h b/arch/s390/include/asm/tlbflush.h index 1d8648cf2fe..9fde315f3a7 100644 --- a/arch/s390/include/asm/tlbflush.h +++ b/arch/s390/include/asm/tlbflush.h @@ -27,12 +27,12 @@ static inline void __tlb_flush_global(void) register unsigned long reg4 asm("4"); long dummy; -#ifndef __s390x__ +#ifndef CONFIG_64BIT if (!MACHINE_HAS_CSP) { smp_ptlb_all(); return; } -#endif /* __s390x__ */ +#endif /* CONFIG_64BIT */ dummy = 0; reg2 = reg3 = 0; diff --git a/arch/s390/include/asm/types.h b/arch/s390/include/asm/types.h index 05ebbcdbbf6..6c8c35f8df1 100644 --- a/arch/s390/include/asm/types.h +++ b/arch/s390/include/asm/types.h @@ -28,7 +28,7 @@ typedef __signed__ long saddr_t; #ifndef __ASSEMBLY__ -#ifndef __s390x__ +#ifndef CONFIG_64BIT typedef union { unsigned long long pair; struct { @@ -37,7 +37,7 @@ typedef union { } subreg; } register_pair; -#endif /* ! __s390x__ */ +#endif /* ! CONFIG_64BIT */ #endif /* __ASSEMBLY__ */ #endif /* __KERNEL__ */ #endif /* _S390_TYPES_H */ diff --git a/arch/s390/include/asm/uaccess.h b/arch/s390/include/asm/uaccess.h index 8f2cada4f7c..1f3a79bcd26 100644 --- a/arch/s390/include/asm/uaccess.h +++ b/arch/s390/include/asm/uaccess.h @@ -50,10 +50,15 @@ #define segment_eq(a,b) ((a).ar4 == (b).ar4) -#define __access_ok(addr, size) \ -({ \ - __chk_user_ptr(addr); \ - 1; \ +static inline int __range_ok(unsigned long addr, unsigned long size) +{ + return 1; +} + +#define __access_ok(addr, size) \ +({ \ + __chk_user_ptr(addr); \ + __range_ok((unsigned long)(addr), (size)); \ }) #define access_ok(type, addr, size) __access_ok(addr, size) @@ -377,7 +382,7 @@ clear_user(void __user *to, unsigned long n) } extern int memcpy_real(void *, void *, size_t); -extern void copy_to_absolute_zero(void *dest, void *src, size_t count); +extern void memcpy_absolute(void *, void *, size_t); extern int copy_to_user_real(void __user *dest, void *src, size_t count); extern int copy_from_user_real(void *dest, void __user *src, size_t count); diff --git a/arch/s390/include/asm/vdso.h b/arch/s390/include/asm/vdso.h index c4a11cfad3c..a73eb2e1e91 100644 --- a/arch/s390/include/asm/vdso.h +++ b/arch/s390/include/asm/vdso.h @@ -1,8 +1,6 @@ #ifndef __S390_VDSO_H__ #define __S390_VDSO_H__ -#ifdef __KERNEL__ - /* Default link addresses for the vDSOs */ #define VDSO32_LBASE 0 #define VDSO64_LBASE 0 @@ -45,7 +43,4 @@ void vdso_free_per_cpu(struct _lowcore *lowcore); #endif #endif /* __ASSEMBLY__ */ - -#endif /* __KERNEL__ */ - #endif /* __S390_VDSO_H__ */ diff --git a/arch/s390/kernel/base.S b/arch/s390/kernel/base.S index 3aa4d00aaf5..c880ff72db4 100644 --- a/arch/s390/kernel/base.S +++ b/arch/s390/kernel/base.S @@ -88,6 +88,9 @@ ENTRY(diag308_reset) stctg %c0,%c15,0(%r4) larl %r4,.Lfpctl # Floating point control register stfpc 0(%r4) + larl %r4,.Lcontinue_psw # Save PSW flags + epsw %r2,%r3 + stm %r2,%r3,0(%r4) larl %r4,.Lrestart_psw # Setup restart PSW at absolute 0 lghi %r3,0 lg %r4,0(%r4) # Save PSW @@ -103,11 +106,20 @@ ENTRY(diag308_reset) lctlg %c0,%c15,0(%r4) larl %r4,.Lfpctl # Restore floating point ctl register lfpc 0(%r4) + larl %r4,.Lcontinue_psw # Restore PSW flags + lpswe 0(%r4) +.Lcontinue: br %r14 .align 16 .Lrestart_psw: .long 0x00080000,0x80000000 + .Lrestart_part2 + .section .data..nosave,"aw",@progbits +.align 8 +.Lcontinue_psw: + .quad 0,.Lcontinue + .previous + .section .bss .align 8 .Lctlregs: diff --git a/arch/s390/kernel/compat_signal.c b/arch/s390/kernel/compat_signal.c index 377c096ca4a..3c0c19830c3 100644 --- a/arch/s390/kernel/compat_signal.c +++ b/arch/s390/kernel/compat_signal.c @@ -32,8 +32,6 @@ #include "compat_ptrace.h" #include "entry.h" -#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) - typedef struct { __u8 callee_used_stack[__SIGNAL_FRAMESIZE32]; @@ -364,7 +362,6 @@ asmlinkage long sys32_sigreturn(void) goto badframe; if (__copy_from_user(&set.sig, &frame->sc.oldmask, _SIGMASK_COPY_SIZE32)) goto badframe; - sigdelsetmask(&set, ~_BLOCKABLE); set_current_blocked(&set); if (restore_sigregs32(regs, &frame->sregs)) goto badframe; @@ -390,7 +387,6 @@ asmlinkage long sys32_rt_sigreturn(void) goto badframe; if (__copy_from_user(&set, &frame->uc.uc_sigmask, sizeof(set))) goto badframe; - sigdelsetmask(&set, ~_BLOCKABLE); set_current_blocked(&set); if (restore_sigregs32(regs, &frame->uc.uc_mcontext)) goto badframe; @@ -572,7 +568,7 @@ give_sigsegv: * OK, we're invoking a handler */ -int handle_signal32(unsigned long sig, struct k_sigaction *ka, +void handle_signal32(unsigned long sig, struct k_sigaction *ka, siginfo_t *info, sigset_t *oldset, struct pt_regs *regs) { int ret; @@ -583,8 +579,8 @@ int handle_signal32(unsigned long sig, struct k_sigaction *ka, else ret = setup_frame32(sig, ka, oldset, regs); if (ret) - return ret; - block_sigmask(ka, sig); - return 0; + return; + signal_delivered(sig, info, ka, regs, + test_thread_flag(TIF_SINGLE_STEP)); } diff --git a/arch/s390/kernel/early.c b/arch/s390/kernel/early.c index d84181f1f5e..6684fff1755 100644 --- a/arch/s390/kernel/early.c +++ b/arch/s390/kernel/early.c @@ -237,7 +237,7 @@ static noinline __init void detect_machine_type(void) S390_lowcore.machine_flags |= MACHINE_FLAG_VM; } -static __init void early_pgm_check_handler(void) +static void early_pgm_check_handler(void) { unsigned long addr; const struct exception_table_entry *fixup; diff --git a/arch/s390/kernel/entry.h b/arch/s390/kernel/entry.h index 6cdddac93a2..f66a229ab0b 100644 --- a/arch/s390/kernel/entry.h +++ b/arch/s390/kernel/entry.h @@ -31,7 +31,7 @@ void do_per_trap(struct pt_regs *regs); void syscall_trace(struct pt_regs *regs, int entryexit); void kernel_stack_overflow(struct pt_regs * regs); void do_signal(struct pt_regs *regs); -int handle_signal32(unsigned long sig, struct k_sigaction *ka, +void handle_signal32(unsigned long sig, struct k_sigaction *ka, siginfo_t *info, sigset_t *oldset, struct pt_regs *regs); void do_notify_resume(struct pt_regs *regs); diff --git a/arch/s390/kernel/head_kdump.S b/arch/s390/kernel/head_kdump.S index e1ac3893e97..796c976b5fd 100644 --- a/arch/s390/kernel/head_kdump.S +++ b/arch/s390/kernel/head_kdump.S @@ -85,11 +85,6 @@ startup_kdump_relocated: basr %r13,0 0: mvc 0(8,%r0),.Lrestart_psw-0b(%r13) # Setup restart PSW - mvc 464(16,%r0),.Lpgm_psw-0b(%r13) # Setup pgm check PSW - lhi %r1,1 # Start new kernel - diag %r1,%r1,0x308 # with diag 308 - -.Lno_diag308: # No diag 308 sam31 # Switch to 31 bit addr mode sr %r1,%r1 # Erase register r1 sr %r2,%r2 # Erase register r2 @@ -98,8 +93,6 @@ startup_kdump_relocated: .align 8 .Lrestart_psw: .long 0x00080000,0x80000000 + startup -.Lpgm_psw: - .quad 0x0000000180000000,0x0000000000000000 + .Lno_diag308 #else .align 2 .Lep_startup_kdump: diff --git a/arch/s390/kernel/ipl.c b/arch/s390/kernel/ipl.c index 8342e65a140..2f6cfd460cb 100644 --- a/arch/s390/kernel/ipl.c +++ b/arch/s390/kernel/ipl.c @@ -1528,12 +1528,15 @@ static struct shutdown_action __refdata dump_action = { static void dump_reipl_run(struct shutdown_trigger *trigger) { - u32 csum; - - csum = csum_partial(reipl_block_actual, reipl_block_actual->hdr.len, 0); - copy_to_absolute_zero(&S390_lowcore.ipib_checksum, &csum, sizeof(csum)); - copy_to_absolute_zero(&S390_lowcore.ipib, &reipl_block_actual, - sizeof(reipl_block_actual)); + struct { + void *addr; + __u32 csum; + } __packed ipib; + + ipib.csum = csum_partial(reipl_block_actual, + reipl_block_actual->hdr.len, 0); + ipib.addr = reipl_block_actual; + memcpy_absolute(&S390_lowcore.ipib, &ipib, sizeof(ipib)); dump_run(trigger); } @@ -1750,6 +1753,7 @@ static struct kobj_attribute on_restart_attr = static void __do_restart(void *ignore) { + __arch_local_irq_stosm(0x04); /* enable DAT */ smp_send_stop(); #ifdef CONFIG_CRASH_DUMP crash_kexec(NULL); diff --git a/arch/s390/kernel/irq.c b/arch/s390/kernel/irq.c index 8a22c27219d..b4f4a7133fa 100644 --- a/arch/s390/kernel/irq.c +++ b/arch/s390/kernel/irq.c @@ -42,7 +42,8 @@ static const struct irq_class intrclass_names[] = { {.name = "VRT", .desc = "[EXT] Virtio" }, {.name = "SCP", .desc = "[EXT] Service Call" }, {.name = "IUC", .desc = "[EXT] IUCV" }, - {.name = "CPM", .desc = "[EXT] CPU Measurement" }, + {.name = "CMS", .desc = "[EXT] CPU-Measurement: Sampling" }, + {.name = "CMC", .desc = "[EXT] CPU-Measurement: Counter" }, {.name = "CIO", .desc = "[I/O] Common I/O Layer Interrupt" }, {.name = "QAI", .desc = "[I/O] QDIO Adapter Interrupt" }, {.name = "DAS", .desc = "[I/O] DASD" }, diff --git a/arch/s390/kernel/machine_kexec.c b/arch/s390/kernel/machine_kexec.c index bdad47d5447..cdacf8f91b2 100644 --- a/arch/s390/kernel/machine_kexec.c +++ b/arch/s390/kernel/machine_kexec.c @@ -24,6 +24,7 @@ #include <asm/ipl.h> #include <asm/diag.h> #include <asm/asm-offsets.h> +#include <asm/os_info.h> typedef void (*relocate_kernel_t)(kimage_entry_t *, unsigned long); @@ -79,8 +80,8 @@ static void __do_machine_kdump(void *image) #ifdef CONFIG_CRASH_DUMP int (*start_kdump)(int) = (void *)((struct kimage *) image)->start; - __load_psw_mask(PSW_MASK_BASE | PSW_DEFAULT_KEY | PSW_MASK_EA | PSW_MASK_BA); setup_regs(); + __load_psw_mask(PSW_MASK_BASE | PSW_DEFAULT_KEY | PSW_MASK_EA | PSW_MASK_BA); start_kdump(1); #endif } @@ -114,8 +115,13 @@ static void crash_map_pages(int enable) size % KEXEC_CRASH_MEM_ALIGN); if (enable) vmem_add_mapping(crashk_res.start, size); - else + else { vmem_remove_mapping(crashk_res.start, size); + if (size) + os_info_crashkernel_add(crashk_res.start, size); + else + os_info_crashkernel_add(0, 0); + } } /* @@ -208,6 +214,7 @@ static void __machine_kexec(void *data) { struct kimage *image = data; + __arch_local_irq_stosm(0x04); /* enable DAT */ pfault_fini(); tracing_off(); debug_locks_off(); diff --git a/arch/s390/kernel/os_info.c b/arch/s390/kernel/os_info.c index e8d6c214d49..95fa5ac6c4c 100644 --- a/arch/s390/kernel/os_info.c +++ b/arch/s390/kernel/os_info.c @@ -60,7 +60,7 @@ void __init os_info_init(void) os_info.version_minor = OS_INFO_VERSION_MINOR; os_info.magic = OS_INFO_MAGIC; os_info.csum = os_info_csum(&os_info); - copy_to_absolute_zero(&S390_lowcore.os_info, &ptr, sizeof(ptr)); + memcpy_absolute(&S390_lowcore.os_info, &ptr, sizeof(ptr)); } #ifdef CONFIG_CRASH_DUMP @@ -138,7 +138,6 @@ static void os_info_old_init(void) goto fail_free; os_info_old_alloc(OS_INFO_VMCOREINFO, 1); os_info_old_alloc(OS_INFO_REIPL_BLOCK, 1); - os_info_old_alloc(OS_INFO_INIT_FN, PAGE_SIZE); pr_info("crashkernel: addr=0x%lx size=%lu\n", (unsigned long) os_info_old->crashkernel_addr, (unsigned long) os_info_old->crashkernel_size); diff --git a/arch/s390/kernel/perf_cpum_cf.c b/arch/s390/kernel/perf_cpum_cf.c index cb019f429e8..9871b1971ed 100644 --- a/arch/s390/kernel/perf_cpum_cf.c +++ b/arch/s390/kernel/perf_cpum_cf.c @@ -225,7 +225,7 @@ static void cpumf_measurement_alert(struct ext_code ext_code, if (!(alert & CPU_MF_INT_CF_MASK)) return; - kstat_cpu(smp_processor_id()).irqs[EXTINT_CPM]++; + kstat_cpu(smp_processor_id()).irqs[EXTINT_CMC]++; cpuhw = &__get_cpu_var(cpu_hw_events); /* Measurement alerts are shared and might happen when the PMU diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c index 06264ae8ccd..489d1d8d96b 100644 --- a/arch/s390/kernel/setup.c +++ b/arch/s390/kernel/setup.c @@ -428,10 +428,12 @@ static void __init setup_lowcore(void) lc->restart_fn = (unsigned long) do_restart; lc->restart_data = 0; lc->restart_source = -1UL; - memcpy(&S390_lowcore.restart_stack, &lc->restart_stack, - 4*sizeof(unsigned long)); - copy_to_absolute_zero(&S390_lowcore.restart_psw, - &lc->restart_psw, sizeof(psw_t)); + + /* Setup absolute zero lowcore */ + memcpy_absolute(&S390_lowcore.restart_stack, &lc->restart_stack, + 4 * sizeof(unsigned long)); + memcpy_absolute(&S390_lowcore.restart_psw, &lc->restart_psw, + sizeof(lc->restart_psw)); set_prefix((u32)(unsigned long) lc); lowcore_ptr[0] = lc; @@ -598,7 +600,7 @@ static void __init setup_vmcoreinfo(void) #ifdef CONFIG_KEXEC unsigned long ptr = paddr_vmcoreinfo_note(); - copy_to_absolute_zero(&S390_lowcore.vmcore_info, &ptr, sizeof(ptr)); + memcpy_absolute(&S390_lowcore.vmcore_info, &ptr, sizeof(ptr)); #endif } diff --git a/arch/s390/kernel/signal.c b/arch/s390/kernel/signal.c index f626232e216..ac565b44aab 100644 --- a/arch/s390/kernel/signal.c +++ b/arch/s390/kernel/signal.c @@ -33,9 +33,6 @@ #include <asm/switch_to.h> #include "entry.h" -#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) - - typedef struct { __u8 callee_used_stack[__SIGNAL_FRAMESIZE]; @@ -169,7 +166,6 @@ SYSCALL_DEFINE0(sigreturn) goto badframe; if (__copy_from_user(&set.sig, &frame->sc.oldmask, _SIGMASK_COPY_SIZE)) goto badframe; - sigdelsetmask(&set, ~_BLOCKABLE); set_current_blocked(&set); if (restore_sigregs(regs, &frame->sregs)) goto badframe; @@ -189,7 +185,6 @@ SYSCALL_DEFINE0(rt_sigreturn) goto badframe; if (__copy_from_user(&set.sig, &frame->uc.uc_sigmask, sizeof(set))) goto badframe; - sigdelsetmask(&set, ~_BLOCKABLE); set_current_blocked(&set); if (restore_sigregs(regs, &frame->uc.uc_mcontext)) goto badframe; @@ -367,7 +362,7 @@ give_sigsegv: return -EFAULT; } -static int handle_signal(unsigned long sig, struct k_sigaction *ka, +static void handle_signal(unsigned long sig, struct k_sigaction *ka, siginfo_t *info, sigset_t *oldset, struct pt_regs *regs) { @@ -379,9 +374,9 @@ static int handle_signal(unsigned long sig, struct k_sigaction *ka, else ret = setup_frame(sig, ka, oldset, regs); if (ret) - return ret; - block_sigmask(ka, sig); - return 0; + return; + signal_delivered(sig, info, ka, regs, + test_thread_flag(TIF_SINGLE_STEP)); } /* @@ -398,12 +393,7 @@ void do_signal(struct pt_regs *regs) siginfo_t info; int signr; struct k_sigaction ka; - sigset_t *oldset; - - if (test_thread_flag(TIF_RESTORE_SIGMASK)) - oldset = ¤t->saved_sigmask; - else - oldset = ¤t->blocked; + sigset_t *oldset = sigmask_to_save(); /* * Get signal to deliver. When running under ptrace, at this point @@ -441,24 +431,10 @@ void do_signal(struct pt_regs *regs) /* No longer in a system call */ clear_thread_flag(TIF_SYSCALL); - if ((is_compat_task() ? - handle_signal32(signr, &ka, &info, oldset, regs) : - handle_signal(signr, &ka, &info, oldset, regs)) == 0) { - /* - * A signal was successfully delivered; the saved - * sigmask will have been stored in the signal frame, - * and will be restored by sigreturn, so we can simply - * clear the TIF_RESTORE_SIGMASK flag. - */ - if (test_thread_flag(TIF_RESTORE_SIGMASK)) - clear_thread_flag(TIF_RESTORE_SIGMASK); - - /* - * Let tracing know that we've done the handler setup. - */ - tracehook_signal_handler(signr, &info, &ka, regs, - test_thread_flag(TIF_SINGLE_STEP)); - } + if (is_compat_task()) + handle_signal32(signr, &ka, &info, oldset, regs); + else + handle_signal(signr, &ka, &info, oldset, regs); return; } @@ -484,16 +460,11 @@ void do_signal(struct pt_regs *regs) /* * If there's no signal to deliver, we just put the saved sigmask back. */ - if (test_thread_flag(TIF_RESTORE_SIGMASK)) { - clear_thread_flag(TIF_RESTORE_SIGMASK); - sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); - } + restore_saved_sigmask(); } void do_notify_resume(struct pt_regs *regs) { clear_thread_flag(TIF_NOTIFY_RESUME); tracehook_notify_resume(regs); - if (current->replacement_session_keyring) - key_replace_session_keyring(); } diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c index 647ba942589..15cca26ccb6 100644 --- a/arch/s390/kernel/smp.c +++ b/arch/s390/kernel/smp.c @@ -297,26 +297,27 @@ static void pcpu_start_fn(struct pcpu *pcpu, void (*func)(void *), void *data) static void pcpu_delegate(struct pcpu *pcpu, void (*func)(void *), void *data, unsigned long stack) { - struct _lowcore *lc = pcpu->lowcore; - unsigned short this_cpu; + struct _lowcore *lc = lowcore_ptr[pcpu - pcpu_devices]; + struct { + unsigned long stack; + void *func; + void *data; + unsigned long source; + } restart = { stack, func, data, stap() }; __load_psw_mask(psw_kernel_bits); - this_cpu = stap(); - if (pcpu->address == this_cpu) + if (pcpu->address == restart.source) func(data); /* should not return */ /* Stop target cpu (if func returns this stops the current cpu). */ pcpu_sigp_retry(pcpu, sigp_stop, 0); /* Restart func on the target cpu and stop the current cpu. */ - lc->restart_stack = stack; - lc->restart_fn = (unsigned long) func; - lc->restart_data = (unsigned long) data; - lc->restart_source = (unsigned long) this_cpu; + memcpy_absolute(&lc->restart_stack, &restart, sizeof(restart)); asm volatile( "0: sigp 0,%0,6 # sigp restart to target cpu\n" " brc 2,0b # busy, try again\n" "1: sigp 0,%1,5 # sigp stop to current cpu\n" " brc 2,1b # busy, try again\n" - : : "d" (pcpu->address), "d" (this_cpu) : "0", "1", "cc"); + : : "d" (pcpu->address), "d" (restart.source) : "0", "1", "cc"); for (;;) ; } @@ -800,17 +801,6 @@ void __noreturn cpu_die(void) #endif /* CONFIG_HOTPLUG_CPU */ -static void smp_call_os_info_init_fn(void) -{ - int (*init_fn)(void); - unsigned long size; - - init_fn = os_info_old_entry(OS_INFO_INIT_FN, &size); - if (!init_fn) - return; - init_fn(); -} - void __init smp_prepare_cpus(unsigned int max_cpus) { /* request the 0x1201 emergency signal external interrupt */ @@ -819,7 +809,6 @@ void __init smp_prepare_cpus(unsigned int max_cpus) /* request the 0x1202 external call external interrupt */ if (register_external_interrupt(0x1202, do_ext_call_interrupt) != 0) panic("Couldn't request external interrupt 0x1202"); - smp_call_os_info_init_fn(); smp_detect_cpus(); } @@ -943,19 +932,6 @@ static struct attribute_group cpu_common_attr_group = { .attrs = cpu_common_attrs, }; -static ssize_t show_capability(struct device *dev, - struct device_attribute *attr, char *buf) -{ - unsigned int capability; - int rc; - - rc = get_cpu_capability(&capability); - if (rc) - return rc; - return sprintf(buf, "%u\n", capability); -} -static DEVICE_ATTR(capability, 0444, show_capability, NULL); - static ssize_t show_idle_count(struct device *dev, struct device_attribute *attr, char *buf) { @@ -993,7 +969,6 @@ static ssize_t show_idle_time(struct device *dev, static DEVICE_ATTR(idle_time_us, 0444, show_idle_time, NULL); static struct attribute *cpu_online_attrs[] = { - &dev_attr_capability.attr, &dev_attr_idle_count.attr, &dev_attr_idle_time_us.attr, NULL, diff --git a/arch/s390/kernel/sysinfo.c b/arch/s390/kernel/sysinfo.c index 2a94b774695..fa0eb238dac 100644 --- a/arch/s390/kernel/sysinfo.c +++ b/arch/s390/kernel/sysinfo.c @@ -393,27 +393,6 @@ static __init int create_proc_service_level(void) subsys_initcall(create_proc_service_level); /* - * Bogomips calculation based on cpu capability. - */ -int get_cpu_capability(unsigned int *capability) -{ - struct sysinfo_1_2_2 *info; - int rc; - - info = (void *) get_zeroed_page(GFP_KERNEL); - if (!info) - return -ENOMEM; - rc = stsi(info, 1, 2, 2); - if (rc == -ENOSYS) - goto out; - rc = 0; - *capability = info->capability; -out: - free_page((unsigned long) info); - return rc; -} - -/* * CPU capability might have changed. Therefore recalculate loops_per_jiffy. */ void s390_adjust_jiffies(void) diff --git a/arch/s390/lib/uaccess_mvcos.c b/arch/s390/lib/uaccess_mvcos.c index 60455f104ea..58a75a8ae90 100644 --- a/arch/s390/lib/uaccess_mvcos.c +++ b/arch/s390/lib/uaccess_mvcos.c @@ -14,7 +14,7 @@ #include <asm/futex.h> #include "uaccess.h" -#ifndef __s390x__ +#ifndef CONFIG_64BIT #define AHI "ahi" #define ALR "alr" #define CLR "clr" diff --git a/arch/s390/lib/uaccess_std.c b/arch/s390/lib/uaccess_std.c index bb1a7eed42c..57e94298539 100644 --- a/arch/s390/lib/uaccess_std.c +++ b/arch/s390/lib/uaccess_std.c @@ -15,7 +15,7 @@ #include <asm/futex.h> #include "uaccess.h" -#ifndef __s390x__ +#ifndef CONFIG_64BIT #define AHI "ahi" #define ALR "alr" #define CLR "clr" diff --git a/arch/s390/mm/maccess.c b/arch/s390/mm/maccess.c index 795a0a9bb2e..921fa541dc0 100644 --- a/arch/s390/mm/maccess.c +++ b/arch/s390/mm/maccess.c @@ -101,19 +101,27 @@ int memcpy_real(void *dest, void *src, size_t count) } /* - * Copy memory to absolute zero + * Copy memory in absolute mode (kernel to kernel) */ -void copy_to_absolute_zero(void *dest, void *src, size_t count) +void memcpy_absolute(void *dest, void *src, size_t count) { - unsigned long cr0; + unsigned long cr0, flags, prefix; - BUG_ON((unsigned long) dest + count >= sizeof(struct _lowcore)); - preempt_disable(); + flags = arch_local_irq_save(); __ctl_store(cr0, 0, 0); __ctl_clear_bit(0, 28); /* disable lowcore protection */ - memcpy_real(dest + store_prefix(), src, count); + prefix = store_prefix(); + if (prefix) { + local_mcck_disable(); + set_prefix(0); + memcpy(dest, src, count); + set_prefix(prefix); + local_mcck_enable(); + } else { + memcpy(dest, src, count); + } __ctl_load(cr0, 0, 0); - preempt_enable(); + arch_local_irq_restore(flags); } /* @@ -188,20 +196,6 @@ static int is_swapped(unsigned long addr) } /* - * Return swapped prefix or zero page address - */ -static unsigned long get_swapped(unsigned long addr) -{ - unsigned long prefix = store_prefix(); - - if (addr < sizeof(struct _lowcore)) - return addr + prefix; - if (addr >= prefix && addr < prefix + sizeof(struct _lowcore)) - return addr - prefix; - return addr; -} - -/* * Convert a physical pointer for /dev/mem access * * For swapped prefix pages a new buffer is returned that contains a copy of @@ -218,7 +212,7 @@ void *xlate_dev_mem_ptr(unsigned long addr) size = PAGE_SIZE - (addr & ~PAGE_MASK); bounce = (void *) __get_free_page(GFP_ATOMIC); if (bounce) - memcpy_real(bounce, (void *) get_swapped(addr), size); + memcpy_absolute(bounce, (void *) addr, size); } preempt_enable(); put_online_cpus(); diff --git a/arch/s390/mm/vmem.c b/arch/s390/mm/vmem.c index 4799383e2df..71ae20df674 100644 --- a/arch/s390/mm/vmem.c +++ b/arch/s390/mm/vmem.c @@ -109,7 +109,7 @@ static int vmem_add_mem(unsigned long start, unsigned long size, int ro) pte = mk_pte_phys(address, __pgprot(ro ? _PAGE_RO : 0)); pm_dir = pmd_offset(pu_dir, address); -#ifdef __s390x__ +#ifdef CONFIG_64BIT if (MACHINE_HAS_HPAGE && !(address & ~HPAGE_MASK) && (address + HPAGE_SIZE <= start + size) && (address >= HPAGE_SIZE)) { diff --git a/arch/s390/oprofile/hwsampler.c b/arch/s390/oprofile/hwsampler.c index c6646de07bf..a4a89fa980d 100644 --- a/arch/s390/oprofile/hwsampler.c +++ b/arch/s390/oprofile/hwsampler.c @@ -235,7 +235,7 @@ static void hws_ext_handler(struct ext_code ext_code, if (!(param32 & CPU_MF_INT_SF_MASK)) return; - kstat_cpu(smp_processor_id()).irqs[EXTINT_CPM]++; + kstat_cpu(smp_processor_id()).irqs[EXTINT_CMS]++; atomic_xchg(&cb->ext_params, atomic_read(&cb->ext_params) | param32); if (hws_wq) diff --git a/arch/score/kernel/signal.c b/arch/score/kernel/signal.c index d4a49011c48..e382c52ca0d 100644 --- a/arch/score/kernel/signal.c +++ b/arch/score/kernel/signal.c @@ -34,8 +34,6 @@ #include <asm/syscalls.h> #include <asm/ucontext.h> -#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) - struct rt_sigframe { u32 rs_ass[4]; /* argument save space */ u32 rs_code[2]; /* signal trampoline */ @@ -162,7 +160,6 @@ score_rt_sigreturn(struct pt_regs *regs) if (__copy_from_user(&set, &frame->rs_uc.uc_sigmask, sizeof(set))) goto badframe; - sigdelsetmask(&set, ~_BLOCKABLE); set_current_blocked(&set); sig = restore_sigcontext(regs, &frame->rs_uc.uc_mcontext); @@ -241,11 +238,9 @@ give_sigsegv: return -EFAULT; } -static int handle_signal(unsigned long sig, siginfo_t *info, - struct k_sigaction *ka, sigset_t *oldset, struct pt_regs *regs) +static void handle_signal(unsigned long sig, siginfo_t *info, + struct k_sigaction *ka, struct pt_regs *regs) { - int ret; - if (regs->is_syscall) { switch (regs->regs[4]) { case ERESTART_RESTARTBLOCK: @@ -269,18 +264,15 @@ static int handle_signal(unsigned long sig, siginfo_t *info, /* * Set up the stack frame */ - ret = setup_rt_frame(ka, regs, sig, oldset, info); - - if (ret == 0) - block_sigmask(ka, sig); + if (setup_rt_frame(ka, regs, sig, sigmask_to_save(), info) < 0) + return; - return ret; + signal_delivered(sig, info, ka, regs, 0); } static void do_signal(struct pt_regs *regs) { struct k_sigaction ka; - sigset_t *oldset; siginfo_t info; int signr; @@ -292,25 +284,10 @@ static void do_signal(struct pt_regs *regs) if (!user_mode(regs)) return; - if (test_thread_flag(TIF_RESTORE_SIGMASK)) - oldset = ¤t->saved_sigmask; - else - oldset = ¤t->blocked; - signr = get_signal_to_deliver(&info, &ka, regs, NULL); if (signr > 0) { /* Actually deliver the signal. */ - if (handle_signal(signr, &info, &ka, oldset, regs) == 0) { - /* - * A signal was successfully delivered; the saved - * sigmask will have been stored in the signal frame, - * and will be restored by sigreturn, so we can simply - * clear the TIF_RESTORE_SIGMASK flag. - */ - if (test_thread_flag(TIF_RESTORE_SIGMASK)) - clear_thread_flag(TIF_RESTORE_SIGMASK); - } - + handle_signal(signr, &info, &ka, regs); return; } @@ -337,10 +314,7 @@ static void do_signal(struct pt_regs *regs) * If there's no signal to deliver, we just put the saved sigmask * back */ - if (test_thread_flag(TIF_RESTORE_SIGMASK)) { - clear_thread_flag(TIF_RESTORE_SIGMASK); - sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); - } + restore_saved_sigmask(); } /* @@ -356,7 +330,5 @@ asmlinkage void do_notify_resume(struct pt_regs *regs, void *unused, if (thread_info_flags & _TIF_NOTIFY_RESUME) { clear_thread_flag(TIF_NOTIFY_RESUME); tracehook_notify_resume(regs); - if (current->replacement_session_keyring) - key_replace_session_keyring(); } } diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig index 99bcd0ee838..31d9db7913e 100644 --- a/arch/sh/Kconfig +++ b/arch/sh/Kconfig @@ -32,6 +32,8 @@ config SUPERH select GENERIC_SMP_IDLE_THREAD select GENERIC_CLOCKEVENTS select GENERIC_CMOS_UPDATE if SH_SH03 || SH_DREAMCAST + select GENERIC_STRNCPY_FROM_USER + select GENERIC_STRNLEN_USER help The SuperH is a RISC processor targeted for use in embedded systems and consumer electronics; it was also used in the Sega Dreamcast diff --git a/arch/sh/Makefile b/arch/sh/Makefile index 46edf070da1..aed701c7b11 100644 --- a/arch/sh/Makefile +++ b/arch/sh/Makefile @@ -9,6 +9,12 @@ # License. See the file "COPYING" in the main directory of this archive # for more details. # +ifneq ($(SUBARCH),$(ARCH)) + ifeq ($(CROSS_COMPILE),) + CROSS_COMPILE := $(call cc-cross-prefix, $(UTS_MACHINE)-linux- $(UTS_MACHINE)-linux-gnu- $(UTS_MACHINE)-unknown-linux-gnu-) + endif +endif + isa-y := any isa-$(CONFIG_SH_DSP) := sh isa-$(CONFIG_CPU_SH2) := sh2 @@ -106,19 +112,13 @@ LDFLAGS_vmlinux += --defsym phys_stext=_stext-$(CONFIG_PAGE_OFFSET) \ KBUILD_DEFCONFIG := cayman_defconfig endif -ifneq ($(SUBARCH),$(ARCH)) - ifeq ($(CROSS_COMPILE),) - CROSS_COMPILE := $(call cc-cross-prefix, $(UTS_MACHINE)-linux- $(UTS_MACHINE)-linux-gnu- $(UTS_MACHINE)-unknown-linux-gnu-) - endif -endif - ifdef CONFIG_CPU_LITTLE_ENDIAN ld-bfd := elf32-$(UTS_MACHINE)-linux -LDFLAGS_vmlinux += --defsym 'jiffies=jiffies_64' --oformat $(ld-bfd) +LDFLAGS_vmlinux += --defsym jiffies=jiffies_64 --oformat $(ld-bfd) LDFLAGS += -EL else ld-bfd := elf32-$(UTS_MACHINE)big-linux -LDFLAGS_vmlinux += --defsym 'jiffies=jiffies_64+4' --oformat $(ld-bfd) +LDFLAGS_vmlinux += --defsym jiffies=jiffies_64+4 --oformat $(ld-bfd) LDFLAGS += -EB endif diff --git a/arch/sh/boards/mach-migor/setup.c b/arch/sh/boards/mach-migor/setup.c index 34cd0c5ff2e..a8a1ca741c8 100644 --- a/arch/sh/boards/mach-migor/setup.c +++ b/arch/sh/boards/mach-migor/setup.c @@ -188,7 +188,6 @@ static struct platform_nand_data migor_nand_flash_data = { .partitions = migor_nand_flash_partitions, .nr_partitions = ARRAY_SIZE(migor_nand_flash_partitions), .chip_delay = 20, - .part_probe_types = (const char *[]) { "cmdlinepart", NULL }, }, .ctrl = { .dev_ready = migor_nand_flash_ready, diff --git a/arch/sh/include/asm/posix_types_32.h b/arch/sh/include/asm/posix_types_32.h index abda58467ec..ba0bdc423b0 100644 --- a/arch/sh/include/asm/posix_types_32.h +++ b/arch/sh/include/asm/posix_types_32.h @@ -3,8 +3,6 @@ typedef unsigned short __kernel_mode_t; #define __kernel_mode_t __kernel_mode_t -typedef unsigned short __kernel_nlink_t; -#define __kernel_nlink_t __kernel_nlink_t typedef unsigned short __kernel_ipc_pid_t; #define __kernel_ipc_pid_t __kernel_ipc_pid_t typedef unsigned short __kernel_uid_t; diff --git a/arch/sh/include/asm/posix_types_64.h b/arch/sh/include/asm/posix_types_64.h index fcda07b4a61..244f7e950e1 100644 --- a/arch/sh/include/asm/posix_types_64.h +++ b/arch/sh/include/asm/posix_types_64.h @@ -3,8 +3,6 @@ typedef unsigned short __kernel_mode_t; #define __kernel_mode_t __kernel_mode_t -typedef unsigned short __kernel_nlink_t; -#define __kernel_nlink_t __kernel_nlink_t typedef unsigned short __kernel_ipc_pid_t; #define __kernel_ipc_pid_t __kernel_ipc_pid_t typedef unsigned short __kernel_uid_t; diff --git a/arch/sh/include/asm/thread_info.h b/arch/sh/include/asm/thread_info.h index 0c04ffc4f12..bc13b57cdc8 100644 --- a/arch/sh/include/asm/thread_info.h +++ b/arch/sh/include/asm/thread_info.h @@ -169,7 +169,7 @@ static inline void set_restore_sigmask(void) { struct thread_info *ti = current_thread_info(); ti->status |= TS_RESTORE_SIGMASK; - set_bit(TIF_SIGPENDING, (unsigned long *)&ti->flags); + WARN_ON(!test_bit(TIF_SIGPENDING, (unsigned long *)&ti->flags)); } #define TI_FLAG_FAULT_CODE_SHIFT 24 @@ -189,6 +189,23 @@ static inline unsigned int get_thread_fault_code(void) struct thread_info *ti = current_thread_info(); return ti->flags >> TI_FLAG_FAULT_CODE_SHIFT; } + +static inline void clear_restore_sigmask(void) +{ + current_thread_info()->status &= ~TS_RESTORE_SIGMASK; +} +static inline bool test_restore_sigmask(void) +{ + return current_thread_info()->status & TS_RESTORE_SIGMASK; +} +static inline bool test_and_clear_restore_sigmask(void) +{ + struct thread_info *ti = current_thread_info(); + if (!(ti->status & TS_RESTORE_SIGMASK)) + return false; + ti->status &= ~TS_RESTORE_SIGMASK; + return true; +} #endif /* !__ASSEMBLY__ */ #endif /* __KERNEL__ */ diff --git a/arch/sh/include/asm/uaccess.h b/arch/sh/include/asm/uaccess.h index 050f221fa89..8698a80ed00 100644 --- a/arch/sh/include/asm/uaccess.h +++ b/arch/sh/include/asm/uaccess.h @@ -25,6 +25,8 @@ (__chk_user_ptr(addr), \ __access_ok((unsigned long __force)(addr), (size))) +#define user_addr_max() (current_thread_info()->addr_limit.seg) + /* * Uh, these should become the main single-value transfer routines ... * They automatically use the right size if we just have the right @@ -100,6 +102,11 @@ struct __large_struct { unsigned long buf[100]; }; # include "uaccess_64.h" #endif +extern long strncpy_from_user(char *dest, const char __user *src, long count); + +extern __must_check long strlen_user(const char __user *str); +extern __must_check long strnlen_user(const char __user *str, long n); + /* Generic arbitrary sized copy. */ /* Return the number of bytes NOT copied */ __kernel_size_t __copy_user(void *to, const void *from, __kernel_size_t n); @@ -137,37 +144,6 @@ __kernel_size_t __clear_user(void *addr, __kernel_size_t size); __cl_size; \ }) -/** - * strncpy_from_user: - Copy a NUL terminated string from userspace. - * @dst: Destination address, in kernel space. This buffer must be at - * least @count bytes long. - * @src: Source address, in user space. - * @count: Maximum number of bytes to copy, including the trailing NUL. - * - * Copies a NUL-terminated string from userspace to kernel space. - * - * On success, returns the length of the string (not including the trailing - * NUL). - * - * If access to userspace fails, returns -EFAULT (some data may have been - * copied). - * - * If @count is smaller than the length of the string, copies @count bytes - * and returns @count. - */ -#define strncpy_from_user(dest,src,count) \ -({ \ - unsigned long __sfu_src = (unsigned long)(src); \ - int __sfu_count = (int)(count); \ - long __sfu_res = -EFAULT; \ - \ - if (__access_ok(__sfu_src, __sfu_count)) \ - __sfu_res = __strncpy_from_user((unsigned long)(dest), \ - __sfu_src, __sfu_count); \ - \ - __sfu_res; \ -}) - static inline unsigned long copy_from_user(void *to, const void __user *from, unsigned long n) { @@ -192,43 +168,6 @@ copy_to_user(void __user *to, const void *from, unsigned long n) return __copy_size; } -/** - * strnlen_user: - Get the size of a string in user space. - * @s: The string to measure. - * @n: The maximum valid length - * - * Context: User context only. This function may sleep. - * - * Get the size of a NUL-terminated string in user space. - * - * Returns the size of the string INCLUDING the terminating NUL. - * On exception, returns 0. - * If the string is too long, returns a value greater than @n. - */ -static inline long strnlen_user(const char __user *s, long n) -{ - if (!__addr_ok(s)) - return 0; - else - return __strnlen_user(s, n); -} - -/** - * strlen_user: - Get the size of a string in user space. - * @str: The string to measure. - * - * Context: User context only. This function may sleep. - * - * Get the size of a NUL-terminated string in user space. - * - * Returns the size of the string INCLUDING the terminating NUL. - * On exception, returns 0. - * - * If there is a limit on the length of a valid string, you may wish to - * consider using strnlen_user() instead. - */ -#define strlen_user(str) strnlen_user(str, ~0UL >> 1) - /* * The exception table consists of pairs of addresses: the first is the * address of an instruction that is allowed to fault, and the second is diff --git a/arch/sh/include/asm/uaccess_32.h b/arch/sh/include/asm/uaccess_32.h index ae0d24f6653..c0de7ee35ab 100644 --- a/arch/sh/include/asm/uaccess_32.h +++ b/arch/sh/include/asm/uaccess_32.h @@ -170,79 +170,4 @@ __asm__ __volatile__( \ extern void __put_user_unknown(void); -static inline int -__strncpy_from_user(unsigned long __dest, unsigned long __user __src, int __count) -{ - __kernel_size_t res; - unsigned long __dummy, _d, _s, _c; - - __asm__ __volatile__( - "9:\n" - "mov.b @%2+, %1\n\t" - "cmp/eq #0, %1\n\t" - "bt/s 2f\n" - "1:\n" - "mov.b %1, @%3\n\t" - "dt %4\n\t" - "bf/s 9b\n\t" - " add #1, %3\n\t" - "2:\n\t" - "sub %4, %0\n" - "3:\n" - ".section .fixup,\"ax\"\n" - "4:\n\t" - "mov.l 5f, %1\n\t" - "jmp @%1\n\t" - " mov %9, %0\n\t" - ".balign 4\n" - "5: .long 3b\n" - ".previous\n" - ".section __ex_table,\"a\"\n" - " .balign 4\n" - " .long 9b,4b\n" - ".previous" - : "=r" (res), "=&z" (__dummy), "=r" (_s), "=r" (_d), "=r"(_c) - : "0" (__count), "2" (__src), "3" (__dest), "4" (__count), - "i" (-EFAULT) - : "memory", "t"); - - return res; -} - -/* - * Return the size of a string (including the ending 0 even when we have - * exceeded the maximum string length). - */ -static inline long __strnlen_user(const char __user *__s, long __n) -{ - unsigned long res; - unsigned long __dummy; - - __asm__ __volatile__( - "1:\t" - "mov.b @(%0,%3), %1\n\t" - "cmp/eq %4, %0\n\t" - "bt/s 2f\n\t" - " add #1, %0\n\t" - "tst %1, %1\n\t" - "bf 1b\n\t" - "2:\n" - ".section .fixup,\"ax\"\n" - "3:\n\t" - "mov.l 4f, %1\n\t" - "jmp @%1\n\t" - " mov #0, %0\n" - ".balign 4\n" - "4: .long 2b\n" - ".previous\n" - ".section __ex_table,\"a\"\n" - " .balign 4\n" - " .long 1b,3b\n" - ".previous" - : "=z" (res), "=&r" (__dummy) - : "0" (0), "r" (__s), "r" (__n) - : "t"); - return res; -} - #endif /* __ASM_SH_UACCESS_32_H */ diff --git a/arch/sh/include/asm/uaccess_64.h b/arch/sh/include/asm/uaccess_64.h index 56fd20b8cdc..2e07e0f40c6 100644 --- a/arch/sh/include/asm/uaccess_64.h +++ b/arch/sh/include/asm/uaccess_64.h @@ -84,8 +84,4 @@ extern long __put_user_asm_l(void *, long); extern long __put_user_asm_q(void *, long); extern void __put_user_unknown(void); -extern long __strnlen_user(const char *__s, long __n); -extern int __strncpy_from_user(unsigned long __dest, - unsigned long __user __src, int __count); - #endif /* __ASM_SH_UACCESS_64_H */ diff --git a/arch/sh/include/asm/word-at-a-time.h b/arch/sh/include/asm/word-at-a-time.h new file mode 100644 index 00000000000..6e38953ff7f --- /dev/null +++ b/arch/sh/include/asm/word-at-a-time.h @@ -0,0 +1,53 @@ +#ifndef __ASM_SH_WORD_AT_A_TIME_H +#define __ASM_SH_WORD_AT_A_TIME_H + +#ifdef CONFIG_CPU_BIG_ENDIAN +# include <asm-generic/word-at-a-time.h> +#else +/* + * Little-endian version cribbed from x86. + */ +struct word_at_a_time { + const unsigned long one_bits, high_bits; +}; + +#define WORD_AT_A_TIME_CONSTANTS { REPEAT_BYTE(0x01), REPEAT_BYTE(0x80) } + +/* Carl Chatfield / Jan Achrenius G+ version for 32-bit */ +static inline long count_masked_bytes(long mask) +{ + /* (000000 0000ff 00ffff ffffff) -> ( 1 1 2 3 ) */ + long a = (0x0ff0001+mask) >> 23; + /* Fix the 1 for 00 case */ + return a & mask; +} + +/* Return nonzero if it has a zero */ +static inline unsigned long has_zero(unsigned long a, unsigned long *bits, const struct word_at_a_time *c) +{ + unsigned long mask = ((a - c->one_bits) & ~a) & c->high_bits; + *bits = mask; + return mask; +} + +static inline unsigned long prep_zero_mask(unsigned long a, unsigned long bits, const struct word_at_a_time *c) +{ + return bits; +} + +static inline unsigned long create_zero_mask(unsigned long bits) +{ + bits = (bits - 1) & ~bits; + return bits >> 7; +} + +/* The mask we created is directly usable as a bytemask */ +#define zero_bytemask(mask) (mask) + +static inline unsigned long find_zero(unsigned long mask) +{ + return count_masked_bytes(mask); +} +#endif + +#endif diff --git a/arch/sh/include/cpu-sh2a/cpu/ubc.h b/arch/sh/include/cpu-sh2a/cpu/ubc.h deleted file mode 100644 index 1192e1c761a..00000000000 --- a/arch/sh/include/cpu-sh2a/cpu/ubc.h +++ /dev/null @@ -1,28 +0,0 @@ -/* - * SH-2A UBC definitions - * - * Copyright (C) 2008 Kieran Bingham - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#ifndef __ASM_CPU_SH2A_UBC_H -#define __ASM_CPU_SH2A_UBC_H - -#define UBC_BARA 0xfffc0400 -#define UBC_BAMRA 0xfffc0404 -#define UBC_BBRA 0xfffc04a0 /* 16 bit access */ -#define UBC_BDRA 0xfffc0408 -#define UBC_BDMRA 0xfffc040c - -#define UBC_BARB 0xfffc0410 -#define UBC_BAMRB 0xfffc0414 -#define UBC_BBRB 0xfffc04b0 /* 16 bit access */ -#define UBC_BDRB 0xfffc0418 -#define UBC_BDMRB 0xfffc041c - -#define UBC_BRCR 0xfffc04c0 - -#endif /* __ASM_CPU_SH2A_UBC_H */ diff --git a/arch/sh/kernel/cpu/sh5/entry.S b/arch/sh/kernel/cpu/sh5/entry.S index ff1f0e6e9be..b7cf6a547f1 100644 --- a/arch/sh/kernel/cpu/sh5/entry.S +++ b/arch/sh/kernel/cpu/sh5/entry.S @@ -1569,86 +1569,6 @@ ___clear_user_exit: #endif /* CONFIG_MMU */ /* - * int __strncpy_from_user(unsigned long __dest, unsigned long __src, - * int __count) - * - * Inputs: - * (r2) target address - * (r3) source address - * (r4) maximum size in bytes - * - * Ouputs: - * (*r2) copied data - * (r2) -EFAULT (in case of faulting) - * copied data (otherwise) - */ - .global __strncpy_from_user -__strncpy_from_user: - pta ___strncpy_from_user1, tr0 - pta ___strncpy_from_user_done, tr1 - or r4, ZERO, r5 /* r5 = original count */ - beq/u r4, r63, tr1 /* early exit if r4==0 */ - movi -(EFAULT), r6 /* r6 = reply, no real fixup */ - or ZERO, ZERO, r7 /* r7 = data, clear top byte of data */ - -___strncpy_from_user1: - ld.b r3, 0, r7 /* Fault address: only in reading */ - st.b r2, 0, r7 - addi r2, 1, r2 - addi r3, 1, r3 - beq/u ZERO, r7, tr1 - addi r4, -1, r4 /* return real number of copied bytes */ - bne/l ZERO, r4, tr0 - -___strncpy_from_user_done: - sub r5, r4, r6 /* If done, return copied */ - -___strncpy_from_user_exit: - or r6, ZERO, r2 - ptabs LINK, tr0 - blink tr0, ZERO - -/* - * extern long __strnlen_user(const char *__s, long __n) - * - * Inputs: - * (r2) source address - * (r3) source size in bytes - * - * Ouputs: - * (r2) -EFAULT (in case of faulting) - * string length (otherwise) - */ - .global __strnlen_user -__strnlen_user: - pta ___strnlen_user_set_reply, tr0 - pta ___strnlen_user1, tr1 - or ZERO, ZERO, r5 /* r5 = counter */ - movi -(EFAULT), r6 /* r6 = reply, no real fixup */ - or ZERO, ZERO, r7 /* r7 = data, clear top byte of data */ - beq r3, ZERO, tr0 - -___strnlen_user1: - ldx.b r2, r5, r7 /* Fault address: only in reading */ - addi r3, -1, r3 /* No real fixup */ - addi r5, 1, r5 - beq r3, ZERO, tr0 - bne r7, ZERO, tr1 -! The line below used to be active. This meant led to a junk byte lying between each pair -! of entries in the argv & envp structures in memory. Whilst the program saw the right data -! via the argv and envp arguments to main, it meant the 'flat' representation visible through -! /proc/$pid/cmdline was corrupt, causing trouble with ps, for example. -! addi r5, 1, r5 /* Include '\0' */ - -___strnlen_user_set_reply: - or r5, ZERO, r6 /* If done, return counter */ - -___strnlen_user_exit: - or r6, ZERO, r2 - ptabs LINK, tr0 - blink tr0, ZERO - -/* * extern long __get_user_asm_?(void *val, long addr) * * Inputs: @@ -1982,8 +1902,6 @@ asm_uaccess_start: .long ___copy_user2, ___copy_user_exit .long ___clear_user1, ___clear_user_exit #endif - .long ___strncpy_from_user1, ___strncpy_from_user_exit - .long ___strnlen_user1, ___strnlen_user_exit .long ___get_user_asm_b1, ___get_user_asm_b_exit .long ___get_user_asm_w1, ___get_user_asm_w_exit .long ___get_user_asm_l1, ___get_user_asm_l_exit diff --git a/arch/sh/kernel/process.c b/arch/sh/kernel/process.c index 9b7a459a461..055d91b7030 100644 --- a/arch/sh/kernel/process.c +++ b/arch/sh/kernel/process.c @@ -4,6 +4,7 @@ #include <linux/sched.h> #include <linux/export.h> #include <linux/stackprotector.h> +#include <asm/fpu.h> struct kmem_cache *task_xstate_cachep = NULL; unsigned int xstate_size; diff --git a/arch/sh/kernel/process_64.c b/arch/sh/kernel/process_64.c index 4264583eaba..602545b12a8 100644 --- a/arch/sh/kernel/process_64.c +++ b/arch/sh/kernel/process_64.c @@ -33,6 +33,7 @@ #include <asm/switch_to.h> struct task_struct *last_task_used_math = NULL; +struct pt_regs fake_swapper_regs = { 0, }; void show_regs(struct pt_regs *regs) { diff --git a/arch/sh/kernel/sh_ksyms_64.c b/arch/sh/kernel/sh_ksyms_64.c index 45afa5c51f6..26a0774f527 100644 --- a/arch/sh/kernel/sh_ksyms_64.c +++ b/arch/sh/kernel/sh_ksyms_64.c @@ -32,8 +32,6 @@ EXPORT_SYMBOL(__get_user_asm_b); EXPORT_SYMBOL(__get_user_asm_w); EXPORT_SYMBOL(__get_user_asm_l); EXPORT_SYMBOL(__get_user_asm_q); -EXPORT_SYMBOL(__strnlen_user); -EXPORT_SYMBOL(__strncpy_from_user); EXPORT_SYMBOL(__clear_user); EXPORT_SYMBOL(copy_page); EXPORT_SYMBOL(__copy_user); diff --git a/arch/sh/kernel/signal_32.c b/arch/sh/kernel/signal_32.c index cb4172c8af7..d6b7b6154f8 100644 --- a/arch/sh/kernel/signal_32.c +++ b/arch/sh/kernel/signal_32.c @@ -32,8 +32,6 @@ #include <asm/syscalls.h> #include <asm/fpu.h> -#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) - struct fdpic_func_descriptor { unsigned long text; unsigned long GOT; @@ -226,7 +224,6 @@ asmlinkage int sys_sigreturn(unsigned long r4, unsigned long r5, sizeof(frame->extramask)))) goto badframe; - sigdelsetmask(&set, ~_BLOCKABLE); set_current_blocked(&set); if (restore_sigcontext(regs, &frame->sc, &r0)) @@ -256,7 +253,6 @@ asmlinkage int sys_rt_sigreturn(unsigned long r4, unsigned long r5, if (__copy_from_user(&set, &frame->uc.uc_sigmask, sizeof(set))) goto badframe; - sigdelsetmask(&set, ~_BLOCKABLE); set_current_blocked(&set); if (restore_sigcontext(regs, &frame->uc.uc_mcontext, &r0)) @@ -522,10 +518,11 @@ handle_syscall_restart(unsigned long save_r0, struct pt_regs *regs, /* * OK, we're invoking a handler */ -static int +static void handle_signal(unsigned long sig, struct k_sigaction *ka, siginfo_t *info, - sigset_t *oldset, struct pt_regs *regs, unsigned int save_r0) + struct pt_regs *regs, unsigned int save_r0) { + sigset_t *oldset = sigmask_to_save(); int ret; /* Set up the stack frame */ @@ -534,10 +531,10 @@ handle_signal(unsigned long sig, struct k_sigaction *ka, siginfo_t *info, else ret = setup_frame(sig, ka, oldset, regs); - if (ret == 0) - block_sigmask(ka, sig); - - return ret; + if (ret) + return; + signal_delivered(sig, info, ka, regs, + test_thread_flag(TIF_SINGLESTEP)); } /* @@ -554,7 +551,6 @@ static void do_signal(struct pt_regs *regs, unsigned int save_r0) siginfo_t info; int signr; struct k_sigaction ka; - sigset_t *oldset; /* * We want the common case to go fast, which @@ -565,30 +561,12 @@ static void do_signal(struct pt_regs *regs, unsigned int save_r0) if (!user_mode(regs)) return; - if (current_thread_info()->status & TS_RESTORE_SIGMASK) - oldset = ¤t->saved_sigmask; - else - oldset = ¤t->blocked; - signr = get_signal_to_deliver(&info, &ka, regs, NULL); if (signr > 0) { handle_syscall_restart(save_r0, regs, &ka.sa); /* Whee! Actually deliver the signal. */ - if (handle_signal(signr, &ka, &info, oldset, - regs, save_r0) == 0) { - /* - * A signal was successfully delivered; the saved - * sigmask will have been stored in the signal frame, - * and will be restored by sigreturn, so we can simply - * clear the TS_RESTORE_SIGMASK flag - */ - current_thread_info()->status &= ~TS_RESTORE_SIGMASK; - - tracehook_signal_handler(signr, &info, &ka, regs, - test_thread_flag(TIF_SINGLESTEP)); - } - + handle_signal(signr, &ka, &info, regs, save_r0); return; } @@ -610,10 +588,7 @@ static void do_signal(struct pt_regs *regs, unsigned int save_r0) * If there's no signal to deliver, we just put the saved sigmask * back. */ - if (current_thread_info()->status & TS_RESTORE_SIGMASK) { - current_thread_info()->status &= ~TS_RESTORE_SIGMASK; - sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); - } + restore_saved_sigmask(); } asmlinkage void do_notify_resume(struct pt_regs *regs, unsigned int save_r0, @@ -626,7 +601,5 @@ asmlinkage void do_notify_resume(struct pt_regs *regs, unsigned int save_r0, if (thread_info_flags & _TIF_NOTIFY_RESUME) { clear_thread_flag(TIF_NOTIFY_RESUME); tracehook_notify_resume(regs); - if (current->replacement_session_keyring) - key_replace_session_keyring(); } } diff --git a/arch/sh/kernel/signal_64.c b/arch/sh/kernel/signal_64.c index b589a354c06..6b5b3dfe886 100644 --- a/arch/sh/kernel/signal_64.c +++ b/arch/sh/kernel/signal_64.c @@ -41,11 +41,9 @@ #define DEBUG_SIG 0 -#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) - -static int +static void handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka, - sigset_t *oldset, struct pt_regs * regs); + struct pt_regs * regs); static inline void handle_syscall_restart(struct pt_regs *regs, struct sigaction *sa) @@ -88,7 +86,6 @@ static void do_signal(struct pt_regs *regs) siginfo_t info; int signr; struct k_sigaction ka; - sigset_t *oldset; /* * We want the common case to go fast, which @@ -99,28 +96,13 @@ static void do_signal(struct pt_regs *regs) if (!user_mode(regs)) return; - if (current_thread_info()->status & TS_RESTORE_SIGMASK) - oldset = ¤t->saved_sigmask; - else - oldset = ¤t->blocked; - signr = get_signal_to_deliver(&info, &ka, regs, 0); if (signr > 0) { handle_syscall_restart(regs, &ka.sa); /* Whee! Actually deliver the signal. */ - if (handle_signal(signr, &info, &ka, oldset, regs) == 0) { - /* - * If a signal was successfully delivered, the - * saved sigmask is in its frame, and we can - * clear the TS_RESTORE_SIGMASK flag. - */ - current_thread_info()->status &= ~TS_RESTORE_SIGMASK; - - tracehook_signal_handler(signr, &info, &ka, regs, - test_thread_flag(TIF_SINGLESTEP)); - return; - } + handle_signal(signr, &info, &ka, regs); + return; } /* Did we come from a system call? */ @@ -143,12 +125,7 @@ static void do_signal(struct pt_regs *regs) } /* No signal to deliver -- put the saved sigmask back */ - if (current_thread_info()->status & TS_RESTORE_SIGMASK) { - current_thread_info()->status &= ~TS_RESTORE_SIGMASK; - sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); - } - - return; + restore_saved_sigmask(); } /* @@ -351,7 +328,6 @@ asmlinkage int sys_sigreturn(unsigned long r2, unsigned long r3, sizeof(frame->extramask)))) goto badframe; - sigdelsetmask(&set, ~_BLOCKABLE); set_current_blocked(&set); if (restore_sigcontext(regs, &frame->sc, &ret)) @@ -384,7 +360,6 @@ asmlinkage int sys_rt_sigreturn(unsigned long r2, unsigned long r3, if (__copy_from_user(&set, &frame->uc.uc_sigmask, sizeof(set))) goto badframe; - sigdelsetmask(&set, ~_BLOCKABLE); set_current_blocked(&set); if (restore_sigcontext(regs, &frame->uc.uc_mcontext, &ret)) @@ -659,10 +634,11 @@ give_sigsegv: /* * OK, we're invoking a handler */ -static int +static void handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka, - sigset_t *oldset, struct pt_regs * regs) + struct pt_regs * regs) { + sigset_t *oldset = sigmask_to_save(); int ret; /* Set up the stack frame */ @@ -671,10 +647,11 @@ handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka, else ret = setup_frame(sig, ka, oldset, regs); - if (ret == 0) - block_sigmask(ka, sig); + if (ret) + return; - return ret; + signal_delivered(sig, info, ka, regs, + test_thread_flag(TIF_SINGLESTEP)); } asmlinkage void do_notify_resume(struct pt_regs *regs, unsigned long thread_info_flags) @@ -685,7 +662,5 @@ asmlinkage void do_notify_resume(struct pt_regs *regs, unsigned long thread_info if (thread_info_flags & _TIF_NOTIFY_RESUME) { clear_thread_flag(TIF_NOTIFY_RESUME); tracehook_notify_resume(regs); - if (current->replacement_session_keyring) - key_replace_session_keyring(); } } diff --git a/arch/sh/kernel/smp.c b/arch/sh/kernel/smp.c index b86e9ca7945..2062aa88af4 100644 --- a/arch/sh/kernel/smp.c +++ b/arch/sh/kernel/smp.c @@ -123,7 +123,6 @@ void native_play_dead(void) int __cpu_disable(void) { unsigned int cpu = smp_processor_id(); - struct task_struct *p; int ret; ret = mp_ops->cpu_disable(cpu); @@ -153,11 +152,7 @@ int __cpu_disable(void) flush_cache_all(); local_flush_tlb_all(); - read_lock(&tasklist_lock); - for_each_process(p) - if (p->mm) - cpumask_clear_cpu(cpu, mm_cpumask(p->mm)); - read_unlock(&tasklist_lock); + clear_tasks_mm_cpumask(cpu); return 0; } diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig index 83bd051754e..e74ff137762 100644 --- a/arch/sparc/Kconfig +++ b/arch/sparc/Kconfig @@ -41,7 +41,6 @@ config SPARC32 def_bool !64BIT select GENERIC_ATOMIC64 select CLZ_TAB - select ARCH_USES_GETTIMEOFFSET config SPARC64 def_bool 64BIT diff --git a/arch/sparc/include/asm/asi.h b/arch/sparc/include/asm/asi.h index cbb93e5141d..61ebe7411ce 100644 --- a/arch/sparc/include/asm/asi.h +++ b/arch/sparc/include/asm/asi.h @@ -40,11 +40,7 @@ #define ASI_M_UNA01 0x01 /* Same here... */ #define ASI_M_MXCC 0x02 /* Access to TI VIKING MXCC registers */ #define ASI_M_FLUSH_PROBE 0x03 /* Reference MMU Flush/Probe; rw, ss */ -#ifndef CONFIG_SPARC_LEON #define ASI_M_MMUREGS 0x04 /* MMU Registers; rw, ss */ -#else -#define ASI_M_MMUREGS 0x19 -#endif /* CONFIG_SPARC_LEON */ #define ASI_M_TLBDIAG 0x05 /* MMU TLB only Diagnostics */ #define ASI_M_DIAGS 0x06 /* Reference MMU Diagnostics */ #define ASI_M_IODIAG 0x07 /* MMU I/O TLB only Diagnostics */ diff --git a/arch/sparc/include/asm/asmmacro.h b/arch/sparc/include/asm/asmmacro.h index 02a172fb193..a0e28ef0255 100644 --- a/arch/sparc/include/asm/asmmacro.h +++ b/arch/sparc/include/asm/asmmacro.h @@ -20,4 +20,26 @@ /* All traps low-level code here must end with this macro. */ #define RESTORE_ALL b ret_trap_entry; clr %l6; +/* Support for run-time patching of single instructions. + * This is used to handle the differences in the ASI for + * MMUREGS for LEON and SUN. + * + * Sample: + * LEON_PI(lda [%g0] ASI_LEON_MMUREGS, %o0 + * SUN_PI_(lda [%g0] ASI_M_MMUREGS, %o0 + * PI == Patch Instruction + * + * For LEON we will use the first variant, + * and for all other we will use the SUN variant. + * The order is important. + */ +#define LEON_PI(...) \ +662: __VA_ARGS__ + +#define SUN_PI_(...) \ + .section .leon_1insn_patch, "ax"; \ + .word 662b; \ + __VA_ARGS__; \ + .previous + #endif /* !(_SPARC_ASMMACRO_H) */ diff --git a/arch/sparc/include/asm/dma-mapping.h b/arch/sparc/include/asm/dma-mapping.h index 48a7c65731d..8493fd3c7ba 100644 --- a/arch/sparc/include/asm/dma-mapping.h +++ b/arch/sparc/include/asm/dma-mapping.h @@ -12,13 +12,18 @@ extern int dma_supported(struct device *dev, u64 mask); #define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f) #define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h) -extern struct dma_map_ops *dma_ops, pci32_dma_ops; +extern struct dma_map_ops *dma_ops; +extern struct dma_map_ops *leon_dma_ops; +extern struct dma_map_ops pci32_dma_ops; + extern struct bus_type pci_bus_type; static inline struct dma_map_ops *get_dma_ops(struct device *dev) { #if defined(CONFIG_SPARC32) && defined(CONFIG_PCI) - if (dev->bus == &pci_bus_type) + if (sparc_cpu_model == sparc_leon) + return leon_dma_ops; + else if (dev->bus == &pci_bus_type) return &pci32_dma_ops; #endif return dma_ops; diff --git a/arch/sparc/include/asm/leon.h b/arch/sparc/include/asm/leon.h index 07659124c14..3375c629389 100644 --- a/arch/sparc/include/asm/leon.h +++ b/arch/sparc/include/asm/leon.h @@ -8,8 +8,6 @@ #ifndef LEON_H_INCLUDE #define LEON_H_INCLUDE -#ifdef CONFIG_SPARC_LEON - /* mmu register access, ASI_LEON_MMUREGS */ #define LEON_CNR_CTRL 0x000 #define LEON_CNR_CTXP 0x100 @@ -62,15 +60,6 @@ #ifndef __ASSEMBLY__ -/* do a virtual address read without cache */ -static inline unsigned long leon_readnobuffer_reg(unsigned long paddr) -{ - unsigned long retval; - __asm__ __volatile__("lda [%1] %2, %0\n\t" : - "=r"(retval) : "r"(paddr), "i"(ASI_LEON_NOCACHE)); - return retval; -} - /* do a physical address bypass write, i.e. for 0x80000000 */ static inline void leon_store_reg(unsigned long paddr, unsigned long value) { @@ -87,47 +76,16 @@ static inline unsigned long leon_load_reg(unsigned long paddr) return retval; } -static inline void leon_srmmu_disabletlb(void) -{ - unsigned int retval; - __asm__ __volatile__("lda [%%g0] %2, %0\n\t" : "=r"(retval) : "r"(0), - "i"(ASI_LEON_MMUREGS)); - retval |= LEON_CNR_CTRL_TLBDIS; - __asm__ __volatile__("sta %0, [%%g0] %2\n\t" : : "r"(retval), "r"(0), - "i"(ASI_LEON_MMUREGS) : "memory"); -} - -static inline void leon_srmmu_enabletlb(void) -{ - unsigned int retval; - __asm__ __volatile__("lda [%%g0] %2, %0\n\t" : "=r"(retval) : "r"(0), - "i"(ASI_LEON_MMUREGS)); - retval = retval & ~LEON_CNR_CTRL_TLBDIS; - __asm__ __volatile__("sta %0, [%%g0] %2\n\t" : : "r"(retval), "r"(0), - "i"(ASI_LEON_MMUREGS) : "memory"); -} - /* macro access for leon_load_reg() and leon_store_reg() */ #define LEON3_BYPASS_LOAD_PA(x) (leon_load_reg((unsigned long)(x))) #define LEON3_BYPASS_STORE_PA(x, v) (leon_store_reg((unsigned long)(x), (unsigned long)(v))) -#define LEON3_BYPASS_ANDIN_PA(x, v) LEON3_BYPASS_STORE_PA(x, LEON3_BYPASS_LOAD_PA(x) & v) -#define LEON3_BYPASS_ORIN_PA(x, v) LEON3_BYPASS_STORE_PA(x, LEON3_BYPASS_LOAD_PA(x) | v) #define LEON_BYPASS_LOAD_PA(x) leon_load_reg((unsigned long)(x)) #define LEON_BYPASS_STORE_PA(x, v) leon_store_reg((unsigned long)(x), (unsigned long)(v)) -#define LEON_REGLOAD_PA(x) leon_load_reg((unsigned long)(x)+LEON_PREGS) -#define LEON_REGSTORE_PA(x, v) leon_store_reg((unsigned long)(x)+LEON_PREGS, (unsigned long)(v)) -#define LEON_REGSTORE_OR_PA(x, v) LEON_REGSTORE_PA(x, LEON_REGLOAD_PA(x) | (unsigned long)(v)) -#define LEON_REGSTORE_AND_PA(x, v) LEON_REGSTORE_PA(x, LEON_REGLOAD_PA(x) & (unsigned long)(v)) - -/* macro access for leon_readnobuffer_reg() */ -#define LEON_BYPASSCACHE_LOAD_VA(x) leon_readnobuffer_reg((unsigned long)(x)) extern void leon_init(void); extern void leon_switch_mm(void); extern void leon_init_IRQ(void); -extern unsigned long last_valid_pfn; - static inline unsigned long sparc_leon3_get_dcachecfg(void) { unsigned int retval; @@ -230,9 +188,6 @@ static inline int sparc_leon3_cpuid(void) #error cannot determine LEON_PAGE_SIZE_LEON #endif -#define PAGE_MIN_SHIFT (12) -#define PAGE_MIN_SIZE (1UL << PAGE_MIN_SHIFT) - #define LEON3_XCCR_SETS_MASK 0x07000000UL #define LEON3_XCCR_SSIZE_MASK 0x00f00000UL @@ -242,7 +197,7 @@ static inline int sparc_leon3_cpuid(void) #ifndef __ASSEMBLY__ struct vm_area_struct; -extern unsigned long srmmu_swprobe(unsigned long vaddr, unsigned long *paddr); +extern unsigned long leon_swprobe(unsigned long vaddr, unsigned long *paddr); extern void leon_flush_icache_all(void); extern void leon_flush_dcache_all(void); extern void leon_flush_cache_all(void); @@ -258,15 +213,7 @@ struct leon3_cacheregs { unsigned long dccr; /* 0x0c - Data Cache Configuration Register */ }; -/* struct that hold LEON2 cache configuration register - * & configuration register - */ -struct leon2_cacheregs { - unsigned long ccr, cfg; -}; - -#ifdef __KERNEL__ - +#include <linux/irq.h> #include <linux/interrupt.h> struct device_node; @@ -292,24 +239,15 @@ extern void leon_smp_done(void); extern void leon_boot_cpus(void); extern int leon_boot_one_cpu(int i, struct task_struct *); void leon_init_smp(void); -extern void cpu_idle(void); -extern void init_IRQ(void); -extern void cpu_panic(void); -extern int __leon_processor_id(void); void leon_enable_irq_cpu(unsigned int irq_nr, unsigned int cpu); extern irqreturn_t leon_percpu_timer_interrupt(int irq, void *unused); -extern unsigned int real_irq_entry[]; extern unsigned int smpleon_ipi[]; -extern unsigned int patchme_maybe_smp_msg[]; -extern unsigned int t_nmi[], linux_trap_ipi15_leon[]; -extern unsigned int linux_trap_ipi15_sun4m[]; +extern unsigned int linux_trap_ipi15_leon[]; extern int leon_ipi_irq; #endif /* CONFIG_SMP */ -#endif /* __KERNEL__ */ - #endif /* __ASSEMBLY__ */ /* macros used in leon_mm.c */ @@ -317,18 +255,4 @@ extern int leon_ipi_irq; #define _pfn_valid(pfn) ((pfn < last_valid_pfn) && (pfn >= PFN(phys_base))) #define _SRMMU_PTE_PMASK_LEON 0xffffffff -#else /* defined(CONFIG_SPARC_LEON) */ - -/* nop definitions for !LEON case */ -#define leon_init() do {} while (0) -#define leon_switch_mm() do {} while (0) -#define leon_init_IRQ() do {} while (0) -#define init_leon() do {} while (0) -#define leon_smp_done() do {} while (0) -#define leon_boot_cpus() do {} while (0) -#define leon_boot_one_cpu(i, t) 1 -#define leon_init_smp() do {} while (0) - -#endif /* !defined(CONFIG_SPARC_LEON) */ - #endif diff --git a/arch/sparc/include/asm/leon_amba.h b/arch/sparc/include/asm/leon_amba.h index e50f326e71b..f3034eddf46 100644 --- a/arch/sparc/include/asm/leon_amba.h +++ b/arch/sparc/include/asm/leon_amba.h @@ -87,8 +87,6 @@ struct amba_prom_registers { #define LEON3_GPTIMER_CONFIG_NRTIMERS(c) ((c)->config & 0x7) #define LEON3_GPTIMER_CTRL_ISPENDING(r) (((r)&LEON3_GPTIMER_CTRL_PENDING) ? 1 : 0) -#ifdef CONFIG_SPARC_LEON - #ifndef __ASSEMBLY__ struct leon3_irqctrl_regs_map { @@ -264,6 +262,4 @@ extern unsigned int sparc_leon_eirq; #define amba_device(x) (((x) >> 12) & 0xfff) -#endif /* !defined(CONFIG_SPARC_LEON) */ - #endif diff --git a/arch/sparc/include/asm/pgtsrmmu.h b/arch/sparc/include/asm/pgtsrmmu.h index cb828703a63..79da17866fa 100644 --- a/arch/sparc/include/asm/pgtsrmmu.h +++ b/arch/sparc/include/asm/pgtsrmmu.h @@ -139,6 +139,7 @@ restore %g0, %g0, %g0; #ifndef __ASSEMBLY__ +extern unsigned long last_valid_pfn; /* This makes sense. Honest it does - Anton */ /* XXX Yes but it's ugly as sin. FIXME. -KMW */ @@ -148,67 +149,13 @@ extern void *srmmu_nocache_pool; #define __nocache_fix(VADDR) __va(__nocache_pa(VADDR)) /* Accessing the MMU control register. */ -static inline unsigned int srmmu_get_mmureg(void) -{ - unsigned int retval; - __asm__ __volatile__("lda [%%g0] %1, %0\n\t" : - "=r" (retval) : - "i" (ASI_M_MMUREGS)); - return retval; -} - -static inline void srmmu_set_mmureg(unsigned long regval) -{ - __asm__ __volatile__("sta %0, [%%g0] %1\n\t" : : - "r" (regval), "i" (ASI_M_MMUREGS) : "memory"); - -} - -static inline void srmmu_set_ctable_ptr(unsigned long paddr) -{ - paddr = ((paddr >> 4) & SRMMU_CTX_PMASK); - __asm__ __volatile__("sta %0, [%1] %2\n\t" : : - "r" (paddr), "r" (SRMMU_CTXTBL_PTR), - "i" (ASI_M_MMUREGS) : - "memory"); -} - -static inline void srmmu_set_context(int context) -{ - __asm__ __volatile__("sta %0, [%1] %2\n\t" : : - "r" (context), "r" (SRMMU_CTX_REG), - "i" (ASI_M_MMUREGS) : "memory"); -} - -static inline int srmmu_get_context(void) -{ - register int retval; - __asm__ __volatile__("lda [%1] %2, %0\n\t" : - "=r" (retval) : - "r" (SRMMU_CTX_REG), - "i" (ASI_M_MMUREGS)); - return retval; -} - -static inline unsigned int srmmu_get_fstatus(void) -{ - unsigned int retval; - - __asm__ __volatile__("lda [%1] %2, %0\n\t" : - "=r" (retval) : - "r" (SRMMU_FAULT_STATUS), "i" (ASI_M_MMUREGS)); - return retval; -} - -static inline unsigned int srmmu_get_faddr(void) -{ - unsigned int retval; - - __asm__ __volatile__("lda [%1] %2, %0\n\t" : - "=r" (retval) : - "r" (SRMMU_FAULT_ADDR), "i" (ASI_M_MMUREGS)); - return retval; -} +unsigned int srmmu_get_mmureg(void); +void srmmu_set_mmureg(unsigned long regval); +void srmmu_set_ctable_ptr(unsigned long paddr); +void srmmu_set_context(int context); +int srmmu_get_context(void); +unsigned int srmmu_get_fstatus(void); +unsigned int srmmu_get_faddr(void); /* This is guaranteed on all SRMMU's. */ static inline void srmmu_flush_whole_tlb(void) @@ -219,23 +166,6 @@ static inline void srmmu_flush_whole_tlb(void) } -/* These flush types are not available on all chips... */ -#ifndef CONFIG_SPARC_LEON -static inline unsigned long srmmu_hwprobe(unsigned long vaddr) -{ - unsigned long retval; - - vaddr &= PAGE_MASK; - __asm__ __volatile__("lda [%1] %2, %0\n\t" : - "=r" (retval) : - "r" (vaddr | 0x400), "i" (ASI_M_FLUSH_PROBE)); - - return retval; -} -#else -#define srmmu_hwprobe(addr) srmmu_swprobe(addr, 0) -#endif - static inline int srmmu_get_pte (unsigned long addr) { diff --git a/arch/sparc/include/asm/posix_types.h b/arch/sparc/include/asm/posix_types.h index 3070f25ae90..156220ed99e 100644 --- a/arch/sparc/include/asm/posix_types.h +++ b/arch/sparc/include/asm/posix_types.h @@ -9,8 +9,6 @@ #if defined(__sparc__) && defined(__arch64__) /* sparc 64 bit */ -typedef unsigned int __kernel_nlink_t; -#define __kernel_nlink_t __kernel_nlink_t typedef unsigned short __kernel_old_uid_t; typedef unsigned short __kernel_old_gid_t; @@ -38,9 +36,6 @@ typedef unsigned short __kernel_gid_t; typedef unsigned short __kernel_mode_t; #define __kernel_mode_t __kernel_mode_t -typedef short __kernel_nlink_t; -#define __kernel_nlink_t __kernel_nlink_t - typedef long __kernel_daddr_t; #define __kernel_daddr_t __kernel_daddr_t diff --git a/arch/sparc/include/asm/psr.h b/arch/sparc/include/asm/psr.h index b8c0e5f0a66..cee7ed9c927 100644 --- a/arch/sparc/include/asm/psr.h +++ b/arch/sparc/include/asm/psr.h @@ -35,6 +35,14 @@ #define PSR_VERS 0x0f000000 /* cpu-version field */ #define PSR_IMPL 0xf0000000 /* cpu-implementation field */ +#define PSR_VERS_SHIFT 24 +#define PSR_IMPL_SHIFT 28 +#define PSR_VERS_SHIFTED_MASK 0xf +#define PSR_IMPL_SHIFTED_MASK 0xf + +#define PSR_IMPL_TI 0x4 +#define PSR_IMPL_LEON 0xf + #ifdef __KERNEL__ #ifndef __ASSEMBLY__ diff --git a/arch/sparc/include/asm/sections.h b/arch/sparc/include/asm/sections.h index 0b0553bbd8a..f300d1a9b2b 100644 --- a/arch/sparc/include/asm/sections.h +++ b/arch/sparc/include/asm/sections.h @@ -7,4 +7,7 @@ /* sparc entry point */ extern char _start[]; +extern char __leon_1insn_patch[]; +extern char __leon_1insn_patch_end[]; + #endif diff --git a/arch/sparc/include/asm/thread_info_32.h b/arch/sparc/include/asm/thread_info_32.h index 5af66493245..e6cd224506a 100644 --- a/arch/sparc/include/asm/thread_info_32.h +++ b/arch/sparc/include/asm/thread_info_32.h @@ -131,8 +131,7 @@ register struct thread_info *current_thread_info_reg asm("g6"); #define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG) #define _TIF_DO_NOTIFY_RESUME_MASK (_TIF_NOTIFY_RESUME | \ - _TIF_SIGPENDING | \ - _TIF_RESTORE_SIGMASK) + _TIF_SIGPENDING) #endif /* __KERNEL__ */ diff --git a/arch/sparc/include/asm/thread_info_64.h b/arch/sparc/include/asm/thread_info_64.h index 7f0981b0945..cfa8c38fb9c 100644 --- a/arch/sparc/include/asm/thread_info_64.h +++ b/arch/sparc/include/asm/thread_info_64.h @@ -238,7 +238,23 @@ static inline void set_restore_sigmask(void) { struct thread_info *ti = current_thread_info(); ti->status |= TS_RESTORE_SIGMASK; - set_bit(TIF_SIGPENDING, &ti->flags); + WARN_ON(!test_bit(TIF_SIGPENDING, &ti->flags)); +} +static inline void clear_restore_sigmask(void) +{ + current_thread_info()->status &= ~TS_RESTORE_SIGMASK; +} +static inline bool test_restore_sigmask(void) +{ + return current_thread_info()->status & TS_RESTORE_SIGMASK; +} +static inline bool test_and_clear_restore_sigmask(void) +{ + struct thread_info *ti = current_thread_info(); + if (!(ti->status & TS_RESTORE_SIGMASK)) + return false; + ti->status &= ~TS_RESTORE_SIGMASK; + return true; } #endif /* !__ASSEMBLY__ */ diff --git a/arch/sparc/kernel/Makefile b/arch/sparc/kernel/Makefile index 72308f9b009..6cf591b7e1c 100644 --- a/arch/sparc/kernel/Makefile +++ b/arch/sparc/kernel/Makefile @@ -51,8 +51,8 @@ obj-y += of_device_common.o obj-y += of_device_$(BITS).o obj-$(CONFIG_SPARC64) += prom_irqtrans.o -obj-$(CONFIG_SPARC_LEON)+= leon_kernel.o -obj-$(CONFIG_SPARC_LEON)+= leon_pmc.o +obj-$(CONFIG_SPARC32) += leon_kernel.o +obj-$(CONFIG_SPARC32) += leon_pmc.o obj-$(CONFIG_SPARC64) += reboot.o obj-$(CONFIG_SPARC64) += sysfs.o diff --git a/arch/sparc/kernel/cpu.c b/arch/sparc/kernel/cpu.c index 2d181964176..a6c94a2bf9d 100644 --- a/arch/sparc/kernel/cpu.c +++ b/arch/sparc/kernel/cpu.c @@ -121,7 +121,7 @@ static const struct manufacturer_info __initconst manufacturer_info[] = { FPU(-1, NULL) } },{ - 4, + PSR_IMPL_TI, .cpu_info = { CPU(0, "Texas Instruments, Inc. - SuperSparc-(II)"), /* SparcClassic -- borned STP1010TAB-50*/ @@ -191,7 +191,7 @@ static const struct manufacturer_info __initconst manufacturer_info[] = { FPU(-1, NULL) } },{ - 0xF, /* Aeroflex Gaisler */ + PSR_IMPL_LEON, /* Aeroflex Gaisler */ .cpu_info = { CPU(3, "LEON"), CPU(-1, NULL) @@ -440,16 +440,16 @@ static int __init cpu_type_probe(void) int psr_impl, psr_vers, fpu_vers; int psr; - psr_impl = ((get_psr() >> 28) & 0xf); - psr_vers = ((get_psr() >> 24) & 0xf); + psr_impl = ((get_psr() >> PSR_IMPL_SHIFT) & PSR_IMPL_SHIFTED_MASK); + psr_vers = ((get_psr() >> PSR_VERS_SHIFT) & PSR_VERS_SHIFTED_MASK); psr = get_psr(); put_psr(psr | PSR_EF); -#ifdef CONFIG_SPARC_LEON - fpu_vers = get_psr() & PSR_EF ? ((get_fsr() >> 17) & 0x7) : 7; -#else - fpu_vers = ((get_fsr() >> 17) & 0x7); -#endif + + if (psr_impl == PSR_IMPL_LEON) + fpu_vers = get_psr() & PSR_EF ? ((get_fsr() >> 17) & 0x7) : 7; + else + fpu_vers = ((get_fsr() >> 17) & 0x7); put_psr(psr); diff --git a/arch/sparc/kernel/entry.S b/arch/sparc/kernel/entry.S index 2dbe1806e53..dcaa1cf0de4 100644 --- a/arch/sparc/kernel/entry.S +++ b/arch/sparc/kernel/entry.S @@ -393,7 +393,6 @@ linux_trap_ipi15_sun4d: /* FIXME */ 1: b,a 1b -#ifdef CONFIG_SPARC_LEON .globl smpleon_ipi .extern leon_ipi_interrupt /* SMP per-cpu IPI interrupts are handled specially. */ @@ -424,8 +423,6 @@ linux_trap_ipi15_leon: b ret_trap_lockless_ipi clr %l6 -#endif /* CONFIG_SPARC_LEON */ - #endif /* CONFIG_SMP */ /* This routine handles illegal instructions and privileged @@ -770,8 +767,11 @@ srmmu_fault: mov 0x400, %l5 mov 0x300, %l4 - lda [%l5] ASI_M_MMUREGS, %l6 ! read sfar first - lda [%l4] ASI_M_MMUREGS, %l5 ! read sfsr last +LEON_PI(lda [%l5] ASI_LEON_MMUREGS, %l6) ! read sfar first +SUN_PI_(lda [%l5] ASI_M_MMUREGS, %l6) ! read sfar first + +LEON_PI(lda [%l4] ASI_LEON_MMUREGS, %l5) ! read sfsr last +SUN_PI_(lda [%l4] ASI_M_MMUREGS, %l5) ! read sfsr last andn %l6, 0xfff, %l6 srl %l5, 6, %l5 ! and encode all info into l7 diff --git a/arch/sparc/kernel/etrap_32.S b/arch/sparc/kernel/etrap_32.S index 84b5f0d2afd..e3e80d65e39 100644 --- a/arch/sparc/kernel/etrap_32.S +++ b/arch/sparc/kernel/etrap_32.S @@ -234,7 +234,8 @@ tsetup_srmmu_stackchk: cmp %glob_tmp, %sp bleu,a 1f - lda [%g0] ASI_M_MMUREGS, %glob_tmp ! read MMU control +LEON_PI( lda [%g0] ASI_LEON_MMUREGS, %glob_tmp) ! read MMU control +SUN_PI_( lda [%g0] ASI_M_MMUREGS, %glob_tmp) ! read MMU control trap_setup_user_stack_is_bolixed: /* From user/kernel into invalid window w/bad user @@ -249,18 +250,25 @@ trap_setup_user_stack_is_bolixed: 1: /* Clear the fault status and turn on the no_fault bit. */ or %glob_tmp, 0x2, %glob_tmp ! or in no_fault bit - sta %glob_tmp, [%g0] ASI_M_MMUREGS ! set it +LEON_PI(sta %glob_tmp, [%g0] ASI_LEON_MMUREGS) ! set it +SUN_PI_(sta %glob_tmp, [%g0] ASI_M_MMUREGS) ! set it /* Dump the registers and cross fingers. */ STORE_WINDOW(sp) /* Clear the no_fault bit and check the status. */ andn %glob_tmp, 0x2, %glob_tmp - sta %glob_tmp, [%g0] ASI_M_MMUREGS +LEON_PI(sta %glob_tmp, [%g0] ASI_LEON_MMUREGS) +SUN_PI_(sta %glob_tmp, [%g0] ASI_M_MMUREGS) + mov AC_M_SFAR, %glob_tmp - lda [%glob_tmp] ASI_M_MMUREGS, %g0 +LEON_PI(lda [%glob_tmp] ASI_LEON_MMUREGS, %g0) +SUN_PI_(lda [%glob_tmp] ASI_M_MMUREGS, %g0) + mov AC_M_SFSR, %glob_tmp - lda [%glob_tmp] ASI_M_MMUREGS, %glob_tmp ! save away status of winstore +LEON_PI(lda [%glob_tmp] ASI_LEON_MMUREGS, %glob_tmp)! save away status of winstore +SUN_PI_(lda [%glob_tmp] ASI_M_MMUREGS, %glob_tmp) ! save away status of winstore + andcc %glob_tmp, 0x2, %g0 ! did we fault? bne trap_setup_user_stack_is_bolixed ! failure nop diff --git a/arch/sparc/kernel/head_32.S b/arch/sparc/kernel/head_32.S index a0f5c20e4b9..afeb1d77030 100644 --- a/arch/sparc/kernel/head_32.S +++ b/arch/sparc/kernel/head_32.S @@ -30,10 +30,6 @@ * the cpu-type */ .align 4 -cputyp: - .word 1 - - .align 4 .globl cputypval cputypval: .asciz "sun4m" @@ -46,8 +42,8 @@ cputypvar: .align 4 -sun4c_notsup: - .asciz "Sparc-Linux sun4/sun4c support does no longer exist.\n\n" +notsup: + .asciz "Sparc-Linux sun4/sun4c or MMU-less not supported\n\n" .align 4 sun4e_notsup: @@ -123,7 +119,7 @@ current_pc: tst %o0 be no_sun4u_here mov %g4, %o7 /* Previous %o7. */ - + mov %o0, %l0 ! stash away romvec mov %o0, %g7 ! put it here too mov %o1, %l1 ! stash away debug_vec too @@ -132,7 +128,7 @@ current_pc: set current_pc, %g5 cmp %g3, %g5 be already_mapped - nop + nop /* %l6 will hold the offset we have to subtract * from absolute symbols in order to access areas @@ -192,9 +188,9 @@ copy_prom_done: bne not_a_sun4 nop -halt_sun4_or_sun4c: +halt_notsup: ld [%g7 + 0x68], %o1 - set sun4c_notsup, %o0 + set notsup, %o0 sub %o0, %l6, %o0 call %o1 nop @@ -202,18 +198,31 @@ halt_sun4_or_sun4c: nop not_a_sun4: + /* It looks like this is a machine we support. + * Now find out what MMU we are dealing with + * LEON - identified by the psr.impl field + * Viking - identified by the psr.impl field + * In all other cases a sun4m srmmu. + * We check that the MMU is enabled in all cases. + */ + + /* Check if this is a LEON CPU */ + rd %psr, %g3 + srl %g3, PSR_IMPL_SHIFT, %g3 + and %g3, PSR_IMPL_SHIFTED_MASK, %g3 + cmp %g3, PSR_IMPL_LEON + be leon_remap /* It is a LEON - jump */ + nop + + /* Sanity-check, is MMU enabled */ lda [%g0] ASI_M_MMUREGS, %g1 andcc %g1, 1, %g0 - be halt_sun4_or_sun4c + be halt_notsup nop -srmmu_remap: - /* First, check for a viking (TI) module. */ - set 0x40000000, %g2 - rd %psr, %g3 - and %g2, %g3, %g3 - subcc %g3, 0x0, %g0 - bz srmmu_nviking + /* Check for a viking (TI) module. */ + cmp %g3, PSR_IMPL_TI + bne srmmu_not_viking nop /* Figure out what kind of viking we are on. @@ -228,14 +237,14 @@ srmmu_remap: lda [%g0] ASI_M_MMUREGS, %g3 ! peek in the control reg and %g2, %g3, %g3 subcc %g3, 0x0, %g0 - bnz srmmu_nviking ! is in mbus mode + bnz srmmu_not_viking ! is in mbus mode nop - + rd %psr, %g3 ! DO NOT TOUCH %g3 andn %g3, PSR_ET, %g2 wr %g2, 0x0, %psr WRITE_PAUSE - + /* Get context table pointer, then convert to * a physical address, which is 36 bits. */ @@ -258,12 +267,12 @@ srmmu_remap: lda [%g4] ASI_M_BYPASS, %o1 ! This is a level 1 ptr srl %o1, 0x4, %o1 ! Clear low 4 bits sll %o1, 0x8, %o1 ! Make physical - + /* Ok, pull in the PTD. */ lda [%o1] ASI_M_BYPASS, %o2 ! This is the 0x0 16MB pgd /* Calculate to KERNBASE entry. */ - add %o1, KERNBASE >> (SRMMU_PGDIR_SHIFT - 2), %o3 + add %o1, KERNBASE >> (SRMMU_PGDIR_SHIFT - 2), %o3 /* Poke the entry into the calculated address. */ sta %o2, [%o3] ASI_M_BYPASS @@ -293,12 +302,12 @@ srmmu_remap: b go_to_highmem nop +srmmu_not_viking: /* This works on viking's in Mbus mode and all * other MBUS modules. It is virtually the same as * the above madness sans turning traps off and flipping * the AC bit. */ -srmmu_nviking: set AC_M_CTPR, %g1 lda [%g1] ASI_M_MMUREGS, %g1 ! get ctx table ptr sll %g1, 0x4, %g1 ! make physical addr @@ -313,6 +322,29 @@ srmmu_nviking: nop ! wheee.... +leon_remap: + /* Sanity-check, is MMU enabled */ + lda [%g0] ASI_LEON_MMUREGS, %g1 + andcc %g1, 1, %g0 + be halt_notsup + nop + + /* Same code as in the srmmu_not_viking case, + * with the LEON ASI for mmuregs + */ + set AC_M_CTPR, %g1 + lda [%g1] ASI_LEON_MMUREGS, %g1 ! get ctx table ptr + sll %g1, 0x4, %g1 ! make physical addr + lda [%g1] ASI_M_BYPASS, %g1 ! ptr to level 1 pg_table + srl %g1, 0x4, %g1 + sll %g1, 0x8, %g1 ! make phys addr for l1 tbl + + lda [%g1] ASI_M_BYPASS, %g2 ! get level1 entry for 0x0 + add %g1, KERNBASE >> (SRMMU_PGDIR_SHIFT - 2), %g3 + sta %g2, [%g3] ASI_M_BYPASS ! place at KERNBASE entry + b go_to_highmem + nop ! wheee.... + /* Now do a non-relative jump so that PC is in high-memory */ go_to_highmem: set execute_in_high_mem, %g1 @@ -336,8 +368,9 @@ execute_in_high_mem: sethi %hi(linux_dbvec), %g1 st %o1, [%g1 + %lo(linux_dbvec)] -/* Get the machine type via the mysterious romvec node operations. */ - + /* Get the machine type via the romvec + * getprops node operation + */ add %g7, 0x1c, %l1 ld [%l1], %l0 ld [%l0], %l0 @@ -356,9 +389,42 @@ execute_in_high_mem: ! to a buf where above string ! will get stored by the prom. -#ifdef CONFIG_SPARC_LEON - /* no cpu-type check is needed, it is a SPARC-LEON */ + /* Check value of "compatible" property. + * "value" => "model" + * leon => sparc_leon + * sun4m => sun4m + * sun4s => sun4m + * sun4d => sun4d + * sun4e => "no_sun4e_here" + * '*' => "no_sun4u_here" + * Check single letters only + */ + + set cputypval, %o2 + /* If cputypval[0] == 'l' (lower case letter L) this is leon */ + ldub [%o2], %l1 + cmp %l1, 'l' + be leon_init + nop + + /* Check cputypval[4] to find the sun model */ + ldub [%o2 + 0x4], %l1 + + cmp %l1, 'm' + be sun4m_init + cmp %l1, 's' + be sun4m_init + cmp %l1, 'd' + be sun4d_init + cmp %l1, 'e' + be no_sun4e_here ! Could be a sun4e. + nop + b no_sun4u_here ! AIEEE, a V9 sun4u... Get our BIG BROTHER kernel :)) + nop + +leon_init: + /* LEON CPU - set boot_cpu_id */ sethi %hi(boot_cpu_id), %g2 ! boot-cpu index #ifdef CONFIG_SMP @@ -376,26 +442,6 @@ execute_in_high_mem: ba continue_boot nop -#endif - -/* Check to cputype. We may be booted on a sun4u (64 bit box), - * and sun4d needs special treatment. - */ - - set cputypval, %o2 - ldub [%o2 + 0x4], %l1 - - cmp %l1, 'm' - be sun4m_init - cmp %l1, 's' - be sun4m_init - cmp %l1, 'd' - be sun4d_init - cmp %l1, 'e' - be no_sun4e_here ! Could be a sun4e. - nop - b no_sun4u_here ! AIEEE, a V9 sun4u... Get our BIG BROTHER kernel :)) - nop /* CPUID in bootbus can be found at PA 0xff0140000 */ #define SUN4D_BOOTBUS_CPUID 0xf0140000 @@ -431,9 +477,9 @@ sun4m_init: /* This sucks, apparently this makes Vikings call prom panic, will fix later */ 2: rd %psr, %o1 - srl %o1, 28, %o1 ! Get a type of the CPU + srl %o1, PSR_IMPL_SHIFT, %o1 ! Get a type of the CPU - subcc %o1, 4, %g0 ! TI: Viking or MicroSPARC + subcc %o1, PSR_IMPL_TI, %g0 ! TI: Viking or MicroSPARC be continue_boot nop @@ -459,10 +505,6 @@ continue_boot: /* Aieee, now set PC and nPC, enable traps, give ourselves a stack and it's * show-time! */ - - sethi %hi(cputyp), %o0 - st %g4, [%o0 + %lo(cputyp)] - /* Turn on Supervisor, EnableFloating, and all the PIL bits. * Also puts us in register window zero with traps off. */ @@ -480,7 +522,7 @@ continue_boot: set __bss_start , %o0 ! First address of BSS set _end , %o1 ! Last address of BSS add %o0, 0x1, %o0 -1: +1: stb %g0, [%o0] subcc %o0, %o1, %g0 bl 1b @@ -546,7 +588,7 @@ continue_boot: set dest, %g2; \ ld [%g5], %g4; \ st %g4, [%g2]; - + /* Patch for window spills... */ PATCH_INSN(spnwin_patch1_7win, spnwin_patch1) PATCH_INSN(spnwin_patch2_7win, spnwin_patch2) @@ -597,7 +639,7 @@ continue_boot: st %g4, [%g5 + 0x18] st %g4, [%g5 + 0x1c] -2: +2: sethi %hi(nwindows), %g4 st %g3, [%g4 + %lo(nwindows)] ! store final value sub %g3, 0x1, %g3 @@ -617,18 +659,12 @@ continue_boot: wr %g3, PSR_ET, %psr WRITE_PAUSE - /* First we call prom_init() to set up PROMLIB, then - * off to start_kernel(). - */ - + /* Call sparc32_start_kernel(struct linux_romvec *rp) */ sethi %hi(prom_vector_p), %g5 ld [%g5 + %lo(prom_vector_p)], %o0 - call prom_init + call sparc32_start_kernel nop - call start_kernel - nop - /* We should not get here. */ call halt_me nop @@ -659,7 +695,7 @@ sun4u_5: .asciz "write" .align 4 sun4u_6: - .asciz "\n\rOn sun4u you have to use UltraLinux (64bit) kernel\n\rand not a 32bit sun4[cdem] version\n\r\n\r" + .asciz "\n\rOn sun4u you have to use sparc64 kernel\n\rand not a sparc32 version\n\r\n\r" sun4u_6e: .align 4 sun4u_7: diff --git a/arch/sparc/kernel/ioport.c b/arch/sparc/kernel/ioport.c index a2846f5e32d..0f094db918c 100644 --- a/arch/sparc/kernel/ioport.c +++ b/arch/sparc/kernel/ioport.c @@ -55,17 +55,13 @@ const struct sparc32_dma_ops *sparc32_dma_ops; /* This function must make sure that caches and memory are coherent after DMA * On LEON systems without cache snooping it flushes the entire D-CACHE. */ -#ifndef CONFIG_SPARC_LEON static inline void dma_make_coherent(unsigned long pa, unsigned long len) { + if (sparc_cpu_model == sparc_leon) { + if (!sparc_leon3_snooping_enabled()) + leon_flush_dcache_all(); + } } -#else -static inline void dma_make_coherent(unsigned long pa, unsigned long len) -{ - if (!sparc_leon3_snooping_enabled()) - leon_flush_dcache_all(); -} -#endif static void __iomem *_sparc_ioremap(struct resource *res, u32 bus, u32 pa, int sz); static void __iomem *_sparc_alloc_io(unsigned int busno, unsigned long phys, @@ -427,9 +423,6 @@ arch_initcall(sparc_register_ioport); #endif /* CONFIG_SBUS */ -/* LEON reuses PCI DMA ops */ -#if defined(CONFIG_PCI) || defined(CONFIG_SPARC_LEON) - /* Allocate and map kernel buffer using consistent mode DMA for a device. * hwdev should be valid struct pci_dev pointer for PCI devices. */ @@ -657,14 +650,11 @@ struct dma_map_ops pci32_dma_ops = { }; EXPORT_SYMBOL(pci32_dma_ops); -#endif /* CONFIG_PCI || CONFIG_SPARC_LEON */ +/* leon re-uses pci32_dma_ops */ +struct dma_map_ops *leon_dma_ops = &pci32_dma_ops; +EXPORT_SYMBOL(leon_dma_ops); -#ifdef CONFIG_SPARC_LEON -struct dma_map_ops *dma_ops = &pci32_dma_ops; -#elif defined(CONFIG_SBUS) struct dma_map_ops *dma_ops = &sbus_dma_ops; -#endif - EXPORT_SYMBOL(dma_ops); diff --git a/arch/sparc/kernel/irq_32.c b/arch/sparc/kernel/irq_32.c index ae04914f777..c145f6fd123 100644 --- a/arch/sparc/kernel/irq_32.c +++ b/arch/sparc/kernel/irq_32.c @@ -241,9 +241,6 @@ int sparc_floppy_request_irq(unsigned int irq, irq_handler_t irq_handler) unsigned int cpu_irq; int err; -#if defined CONFIG_SMP && !defined CONFIG_SPARC_LEON - struct tt_entry *trap_table; -#endif err = request_irq(irq, irq_handler, 0, "floppy", NULL); if (err) @@ -264,13 +261,18 @@ int sparc_floppy_request_irq(unsigned int irq, irq_handler_t irq_handler) table[SP_TRAP_IRQ1+(cpu_irq-1)].inst_four = SPARC_NOP; INSTANTIATE(sparc_ttable) -#if defined CONFIG_SMP && !defined CONFIG_SPARC_LEON - trap_table = &trapbase_cpu1; - INSTANTIATE(trap_table) - trap_table = &trapbase_cpu2; - INSTANTIATE(trap_table) - trap_table = &trapbase_cpu3; - INSTANTIATE(trap_table) + +#if defined CONFIG_SMP + if (sparc_cpu_model != sparc_leon) { + struct tt_entry *trap_table; + + trap_table = &trapbase_cpu1; + INSTANTIATE(trap_table) + trap_table = &trapbase_cpu2; + INSTANTIATE(trap_table) + trap_table = &trapbase_cpu3; + INSTANTIATE(trap_table) + } #endif #undef INSTANTIATE /* diff --git a/arch/sparc/kernel/kernel.h b/arch/sparc/kernel/kernel.h index a86372d3458..291bb5de9ce 100644 --- a/arch/sparc/kernel/kernel.h +++ b/arch/sparc/kernel/kernel.h @@ -26,6 +26,9 @@ static inline unsigned long kimage_addr_to_ra(const char *p) #endif #ifdef CONFIG_SPARC32 +/* setup_32.c */ +void sparc32_start_kernel(struct linux_romvec *rp); + /* cpu.c */ extern void cpu_probe(void); diff --git a/arch/sparc/kernel/leon_kernel.c b/arch/sparc/kernel/leon_kernel.c index 77c1b916e4d..e34e2c40c06 100644 --- a/arch/sparc/kernel/leon_kernel.c +++ b/arch/sparc/kernel/leon_kernel.c @@ -23,6 +23,7 @@ #include <asm/smp.h> #include <asm/setup.h> +#include "kernel.h" #include "prom.h" #include "irq.h" diff --git a/arch/sparc/kernel/leon_pmc.c b/arch/sparc/kernel/leon_pmc.c index 519ca923f59..4e174321097 100644 --- a/arch/sparc/kernel/leon_pmc.c +++ b/arch/sparc/kernel/leon_pmc.c @@ -7,6 +7,7 @@ #include <linux/pm.h> #include <asm/leon_amba.h> +#include <asm/cpu_type.h> #include <asm/leon.h> /* List of Systems that need fixup instructions around power-down instruction */ @@ -65,13 +66,15 @@ void pmc_leon_idle(void) /* Install LEON Power Down function */ static int __init leon_pmc_install(void) { - /* Assign power management IDLE handler */ - if (pmc_leon_need_fixup()) - pm_idle = pmc_leon_idle_fixup; - else - pm_idle = pmc_leon_idle; + if (sparc_cpu_model == sparc_leon) { + /* Assign power management IDLE handler */ + if (pmc_leon_need_fixup()) + pm_idle = pmc_leon_idle_fixup; + else + pm_idle = pmc_leon_idle; - printk(KERN_INFO "leon: power management initialized\n"); + printk(KERN_INFO "leon: power management initialized\n"); + } return 0; } diff --git a/arch/sparc/kernel/leon_smp.c b/arch/sparc/kernel/leon_smp.c index a469090faf9..0f3fb6d9c8e 100644 --- a/arch/sparc/kernel/leon_smp.c +++ b/arch/sparc/kernel/leon_smp.c @@ -48,15 +48,13 @@ #include "kernel.h" -#ifdef CONFIG_SPARC_LEON - #include "irq.h" extern ctxd_t *srmmu_ctx_table_phys; static int smp_processors_ready; extern volatile unsigned long cpu_callin_map[NR_CPUS]; extern cpumask_t smp_commenced_mask; -void __init leon_configure_cache_smp(void); +void __cpuinit leon_configure_cache_smp(void); static void leon_ipi_init(void); /* IRQ number of LEON IPIs */ @@ -123,7 +121,7 @@ void __cpuinit leon_callin(void) extern struct linux_prom_registers smp_penguin_ctable; -void __init leon_configure_cache_smp(void) +void __cpuinit leon_configure_cache_smp(void) { unsigned long cfg = sparc_leon3_get_dcachecfg(); int me = smp_processor_id(); @@ -507,5 +505,3 @@ void __init leon_init_smp(void) sparc32_ipi_ops = &leon_ipi_ops; } - -#endif /* CONFIG_SPARC_LEON */ diff --git a/arch/sparc/kernel/process_32.c b/arch/sparc/kernel/process_32.c index fe6787cc62f..cb36e82dcd5 100644 --- a/arch/sparc/kernel/process_32.c +++ b/arch/sparc/kernel/process_32.c @@ -65,50 +65,25 @@ extern void fpsave(unsigned long *, unsigned long *, void *, unsigned long *); struct task_struct *last_task_used_math = NULL; struct thread_info *current_set[NR_CPUS]; -#ifndef CONFIG_SMP - /* * the idle loop on a Sparc... ;) */ void cpu_idle(void) { - /* endless idle loop with no priority at all */ - for (;;) { - if (pm_idle) { - while (!need_resched()) - (*pm_idle)(); - } else { - while (!need_resched()) - cpu_relax(); - } - schedule_preempt_disabled(); - } -} - -#else + set_thread_flag(TIF_POLLING_NRFLAG); -/* This is being executed in task 0 'user space'. */ -void cpu_idle(void) -{ - set_thread_flag(TIF_POLLING_NRFLAG); /* endless idle loop with no priority at all */ - while(1) { -#ifdef CONFIG_SPARC_LEON - if (pm_idle) { - while (!need_resched()) + for (;;) { + while (!need_resched()) { + if (pm_idle) (*pm_idle)(); - } else -#endif - { - while (!need_resched()) + else cpu_relax(); } schedule_preempt_disabled(); } } -#endif - /* XXX cli/sti -> local_irq_xxx here, check this works once SMP is fixed. */ void machine_halt(void) { diff --git a/arch/sparc/kernel/prom_common.c b/arch/sparc/kernel/prom_common.c index 741df916c12..1303021748c 100644 --- a/arch/sparc/kernel/prom_common.c +++ b/arch/sparc/kernel/prom_common.c @@ -23,7 +23,6 @@ #include <linux/of_pdt.h> #include <asm/prom.h> #include <asm/oplib.h> -#include <asm/leon.h> #include "prom.h" diff --git a/arch/sparc/kernel/rtrap_32.S b/arch/sparc/kernel/rtrap_32.S index 7abc24e2bf1..6c34de0c2ab 100644 --- a/arch/sparc/kernel/rtrap_32.S +++ b/arch/sparc/kernel/rtrap_32.S @@ -231,11 +231,14 @@ srmmu_rett_stackchk: cmp %g1, %fp bleu ret_trap_user_stack_is_bolixed mov AC_M_SFSR, %g1 - lda [%g1] ASI_M_MMUREGS, %g0 +LEON_PI(lda [%g1] ASI_LEON_MMUREGS, %g0) +SUN_PI_(lda [%g1] ASI_M_MMUREGS, %g0) - lda [%g0] ASI_M_MMUREGS, %g1 +LEON_PI(lda [%g0] ASI_LEON_MMUREGS, %g1) +SUN_PI_(lda [%g0] ASI_M_MMUREGS, %g1) or %g1, 0x2, %g1 - sta %g1, [%g0] ASI_M_MMUREGS +LEON_PI(sta %g1, [%g0] ASI_LEON_MMUREGS) +SUN_PI_(sta %g1, [%g0] ASI_M_MMUREGS) restore %g0, %g0, %g0 @@ -244,13 +247,16 @@ srmmu_rett_stackchk: save %g0, %g0, %g0 andn %g1, 0x2, %g1 - sta %g1, [%g0] ASI_M_MMUREGS +LEON_PI(sta %g1, [%g0] ASI_LEON_MMUREGS) +SUN_PI_(sta %g1, [%g0] ASI_M_MMUREGS) mov AC_M_SFAR, %g2 - lda [%g2] ASI_M_MMUREGS, %g2 +LEON_PI(lda [%g2] ASI_LEON_MMUREGS, %g2) +SUN_PI_(lda [%g2] ASI_M_MMUREGS, %g2) mov AC_M_SFSR, %g1 - lda [%g1] ASI_M_MMUREGS, %g1 +LEON_PI(lda [%g1] ASI_LEON_MMUREGS, %g1) +SUN_PI_(lda [%g1] ASI_M_MMUREGS, %g1) andcc %g1, 0x2, %g0 be ret_trap_userwins_ok nop diff --git a/arch/sparc/kernel/setup_32.c b/arch/sparc/kernel/setup_32.c index c052313f4dc..efe3e64bba3 100644 --- a/arch/sparc/kernel/setup_32.c +++ b/arch/sparc/kernel/setup_32.c @@ -32,6 +32,7 @@ #include <linux/cpu.h> #include <linux/kdebug.h> #include <linux/export.h> +#include <linux/start_kernel.h> #include <asm/io.h> #include <asm/processor.h> @@ -45,6 +46,7 @@ #include <asm/cpudata.h> #include <asm/setup.h> #include <asm/cacheflush.h> +#include <asm/sections.h> #include "kernel.h" @@ -237,28 +239,42 @@ static void __init per_cpu_patch(void) } } +struct leon_1insn_patch_entry { + unsigned int addr; + unsigned int insn; +}; + enum sparc_cpu sparc_cpu_model; EXPORT_SYMBOL(sparc_cpu_model); -struct tt_entry *sparc_ttable; +static __init void leon_patch(void) +{ + struct leon_1insn_patch_entry *start = (void *)__leon_1insn_patch; + struct leon_1insn_patch_entry *end = (void *)__leon_1insn_patch_end; -struct pt_regs fake_swapper_regs; + /* Default instruction is leon - no patching */ + if (sparc_cpu_model == sparc_leon) + return; -void __init setup_arch(char **cmdline_p) -{ - int i; - unsigned long highest_paddr; + while (start < end) { + unsigned long addr = start->addr; - sparc_ttable = (struct tt_entry *) &trapbase; + *(unsigned int *)(addr) = start->insn; + flushi(addr); - /* Initialize PROM console and command line. */ - *cmdline_p = prom_getbootargs(); - strcpy(boot_command_line, *cmdline_p); - parse_early_param(); + start++; + } +} - boot_flags_init(*cmdline_p); +struct tt_entry *sparc_ttable; +struct pt_regs fake_swapper_regs; - register_console(&prom_early_console); +/* Called from head_32.S - before we have setup anything + * in the kernel. Be very careful with what you do here. + */ +void __init sparc32_start_kernel(struct linux_romvec *rp) +{ + prom_init(rp); /* Set sparc_cpu_model */ sparc_cpu_model = sun_unknown; @@ -275,6 +291,26 @@ void __init setup_arch(char **cmdline_p) if (!strncmp(&cputypval[0], "leon" , 4)) sparc_cpu_model = sparc_leon; + leon_patch(); + start_kernel(); +} + +void __init setup_arch(char **cmdline_p) +{ + int i; + unsigned long highest_paddr; + + sparc_ttable = (struct tt_entry *) &trapbase; + + /* Initialize PROM console and command line. */ + *cmdline_p = prom_getbootargs(); + strcpy(boot_command_line, *cmdline_p); + parse_early_param(); + + boot_flags_init(*cmdline_p); + + register_console(&prom_early_console); + printk("ARCH: "); switch(sparc_cpu_model) { case sun4m: diff --git a/arch/sparc/kernel/signal32.c b/arch/sparc/kernel/signal32.c index bb1513e45f1..a53e0a5fd3a 100644 --- a/arch/sparc/kernel/signal32.c +++ b/arch/sparc/kernel/signal32.c @@ -32,8 +32,6 @@ #include "sigutil.h" -#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) - /* This magic should be in g_upper[0] for all upper parts * to be valid. */ @@ -274,7 +272,6 @@ void do_sigreturn32(struct pt_regs *regs) case 2: set.sig[1] = seta[2] + (((long)seta[3]) << 32); case 1: set.sig[0] = seta[0] + (((long)seta[1]) << 32); } - sigdelsetmask(&set, ~_BLOCKABLE); set_current_blocked(&set); return; @@ -376,7 +373,6 @@ asmlinkage void do_rt_sigreturn32(struct pt_regs *regs) case 2: set.sig[1] = seta.sig[2] + (((long)seta.sig[3]) << 32); case 1: set.sig[0] = seta.sig[0] + (((long)seta.sig[1]) << 32); } - sigdelsetmask(&set, ~_BLOCKABLE); set_current_blocked(&set); return; segv: @@ -775,7 +771,7 @@ sigsegv: return -EFAULT; } -static inline int handle_signal32(unsigned long signr, struct k_sigaction *ka, +static inline void handle_signal32(unsigned long signr, struct k_sigaction *ka, siginfo_t *info, sigset_t *oldset, struct pt_regs *regs) { @@ -787,12 +783,9 @@ static inline int handle_signal32(unsigned long signr, struct k_sigaction *ka, err = setup_frame32(ka, regs, signr, oldset); if (err) - return err; - - block_sigmask(ka, signr); - tracehook_signal_handler(signr, info, ka, regs, 0); + return; - return 0; + signal_delivered(signr, info, ka, regs, 0); } static inline void syscall_restart32(unsigned long orig_i0, struct pt_regs *regs, @@ -841,14 +834,7 @@ void do_signal32(sigset_t *oldset, struct pt_regs * regs) if (signr > 0) { if (restart_syscall) syscall_restart32(orig_i0, regs, &ka.sa); - if (handle_signal32(signr, &ka, &info, oldset, regs) == 0) { - /* A signal was successfully delivered; the saved - * sigmask will have been stored in the signal frame, - * and will be restored by sigreturn, so we can simply - * clear the TS_RESTORE_SIGMASK flag. - */ - current_thread_info()->status &= ~TS_RESTORE_SIGMASK; - } + handle_signal32(signr, &ka, &info, oldset, regs); return; } if (restart_syscall && @@ -872,10 +858,7 @@ void do_signal32(sigset_t *oldset, struct pt_regs * regs) /* If there's no signal to deliver, we just put the saved sigmask * back */ - if (current_thread_info()->status & TS_RESTORE_SIGMASK) { - current_thread_info()->status &= ~TS_RESTORE_SIGMASK; - set_current_blocked(¤t->saved_sigmask); - } + restore_saved_sigmask(); } struct sigstack32 { diff --git a/arch/sparc/kernel/signal_32.c b/arch/sparc/kernel/signal_32.c index 2b7e849f7c6..68f9c8650af 100644 --- a/arch/sparc/kernel/signal_32.c +++ b/arch/sparc/kernel/signal_32.c @@ -29,8 +29,6 @@ #include "sigutil.h" -#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) - extern void fpsave(unsigned long *fpregs, unsigned long *fsr, void *fpqueue, unsigned long *fpqdepth); extern void fpload(unsigned long *fpregs, unsigned long *fsr); @@ -130,7 +128,6 @@ asmlinkage void do_sigreturn(struct pt_regs *regs) if (err) goto segv_and_exit; - sigdelsetmask(&set, ~_BLOCKABLE); set_current_blocked(&set); return; @@ -197,7 +194,6 @@ asmlinkage void do_rt_sigreturn(struct pt_regs *regs) goto segv; } - sigdelsetmask(&set, ~_BLOCKABLE); set_current_blocked(&set); return; segv: @@ -449,10 +445,11 @@ sigsegv: return -EFAULT; } -static inline int +static inline void handle_signal(unsigned long signr, struct k_sigaction *ka, - siginfo_t *info, sigset_t *oldset, struct pt_regs *regs) + siginfo_t *info, struct pt_regs *regs) { + sigset_t *oldset = sigmask_to_save(); int err; if (ka->sa.sa_flags & SA_SIGINFO) @@ -461,12 +458,9 @@ handle_signal(unsigned long signr, struct k_sigaction *ka, err = setup_frame(ka, regs, signr, oldset); if (err) - return err; - - block_sigmask(ka, signr); - tracehook_signal_handler(signr, info, ka, regs, 0); + return; - return 0; + signal_delivered(signr, info, ka, regs, 0); } static inline void syscall_restart(unsigned long orig_i0, struct pt_regs *regs, @@ -498,7 +492,6 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0) { struct k_sigaction ka; int restart_syscall; - sigset_t *oldset; siginfo_t info; int signr; @@ -523,11 +516,6 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0) if (pt_regs_is_syscall(regs) && (regs->psr & PSR_C)) regs->u_regs[UREG_G6] = orig_i0; - if (test_thread_flag(TIF_RESTORE_SIGMASK)) - oldset = ¤t->saved_sigmask; - else - oldset = ¤t->blocked; - signr = get_signal_to_deliver(&info, &ka, regs, NULL); /* If the debugger messes with the program counter, it clears @@ -544,15 +532,7 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0) if (signr > 0) { if (restart_syscall) syscall_restart(orig_i0, regs, &ka.sa); - if (handle_signal(signr, &ka, &info, oldset, regs) == 0) { - /* a signal was successfully delivered; the saved - * sigmask will have been stored in the signal frame, - * and will be restored by sigreturn, so we can simply - * clear the TIF_RESTORE_SIGMASK flag. - */ - if (test_thread_flag(TIF_RESTORE_SIGMASK)) - clear_thread_flag(TIF_RESTORE_SIGMASK); - } + handle_signal(signr, &ka, &info, regs); return; } if (restart_syscall && @@ -576,22 +556,17 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0) /* if there's no signal to deliver, we just put the saved sigmask * back */ - if (test_thread_flag(TIF_RESTORE_SIGMASK)) { - clear_thread_flag(TIF_RESTORE_SIGMASK); - set_current_blocked(¤t->saved_sigmask); - } + restore_saved_sigmask(); } void do_notify_resume(struct pt_regs *regs, unsigned long orig_i0, unsigned long thread_info_flags) { - if (thread_info_flags & (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK)) + if (thread_info_flags & _TIF_SIGPENDING) do_signal(regs, orig_i0); if (thread_info_flags & _TIF_NOTIFY_RESUME) { clear_thread_flag(TIF_NOTIFY_RESUME); tracehook_notify_resume(regs); - if (current->replacement_session_keyring) - key_replace_session_keyring(); } } diff --git a/arch/sparc/kernel/signal_64.c b/arch/sparc/kernel/signal_64.c index eafaab486b2..867de2f8189 100644 --- a/arch/sparc/kernel/signal_64.c +++ b/arch/sparc/kernel/signal_64.c @@ -38,8 +38,6 @@ #include "systbls.h" #include "sigutil.h" -#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) - /* {set, get}context() needed for 64-bit SparcLinux userland. */ asmlinkage void sparc64_set_context(struct pt_regs *regs) { @@ -71,7 +69,6 @@ asmlinkage void sparc64_set_context(struct pt_regs *regs) if (__copy_from_user(&set, &ucp->uc_sigmask, sizeof(sigset_t))) goto do_sigsegv; } - sigdelsetmask(&set, ~_BLOCKABLE); set_current_blocked(&set); } if (test_thread_flag(TIF_32BIT)) { @@ -315,7 +312,6 @@ void do_rt_sigreturn(struct pt_regs *regs) /* Prevent syscall restart. */ pt_regs_clear_syscall(regs); - sigdelsetmask(&set, ~_BLOCKABLE); set_current_blocked(&set); return; segv: @@ -466,7 +462,7 @@ sigsegv: return -EFAULT; } -static inline int handle_signal(unsigned long signr, struct k_sigaction *ka, +static inline void handle_signal(unsigned long signr, struct k_sigaction *ka, siginfo_t *info, sigset_t *oldset, struct pt_regs *regs) { @@ -475,12 +471,9 @@ static inline int handle_signal(unsigned long signr, struct k_sigaction *ka, err = setup_rt_frame(ka, regs, signr, oldset, (ka->sa.sa_flags & SA_SIGINFO) ? info : NULL); if (err) - return err; - - block_sigmask(ka, signr); - tracehook_signal_handler(signr, info, ka, regs, 0); + return; - return 0; + signal_delivered(signr, info, ka, regs, 0); } static inline void syscall_restart(unsigned long orig_i0, struct pt_regs *regs, @@ -512,7 +505,7 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0) { struct k_sigaction ka; int restart_syscall; - sigset_t *oldset; + sigset_t *oldset = sigmask_to_save(); siginfo_t info; int signr; @@ -538,11 +531,6 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0) (regs->tstate & (TSTATE_XCARRY | TSTATE_ICARRY))) regs->u_regs[UREG_G6] = orig_i0; - if (current_thread_info()->status & TS_RESTORE_SIGMASK) - oldset = ¤t->saved_sigmask; - else - oldset = ¤t->blocked; - #ifdef CONFIG_COMPAT if (test_thread_flag(TIF_32BIT)) { extern void do_signal32(sigset_t *, struct pt_regs *); @@ -563,14 +551,7 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0) if (signr > 0) { if (restart_syscall) syscall_restart(orig_i0, regs, &ka.sa); - if (handle_signal(signr, &ka, &info, oldset, regs) == 0) { - /* A signal was successfully delivered; the saved - * sigmask will have been stored in the signal frame, - * and will be restored by sigreturn, so we can simply - * clear the TS_RESTORE_SIGMASK flag. - */ - current_thread_info()->status &= ~TS_RESTORE_SIGMASK; - } + handle_signal(signr, &ka, &info, oldset, regs); return; } if (restart_syscall && @@ -594,10 +575,7 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0) /* If there's no signal to deliver, we just put the saved sigmask * back */ - if (current_thread_info()->status & TS_RESTORE_SIGMASK) { - current_thread_info()->status &= ~TS_RESTORE_SIGMASK; - set_current_blocked(¤t->saved_sigmask); - } + restore_saved_sigmask(); } void do_notify_resume(struct pt_regs *regs, unsigned long orig_i0, unsigned long thread_info_flags) @@ -607,8 +585,6 @@ void do_notify_resume(struct pt_regs *regs, unsigned long orig_i0, unsigned long if (thread_info_flags & _TIF_NOTIFY_RESUME) { clear_thread_flag(TIF_NOTIFY_RESUME); tracehook_notify_resume(regs); - if (current->replacement_session_keyring) - key_replace_session_keyring(); } } diff --git a/arch/sparc/kernel/sys_sparc_64.c b/arch/sparc/kernel/sys_sparc_64.c index 3ee51f189a5..275f74fd6f6 100644 --- a/arch/sparc/kernel/sys_sparc_64.c +++ b/arch/sparc/kernel/sys_sparc_64.c @@ -580,16 +580,9 @@ SYSCALL_DEFINE5(64_mremap, unsigned long, addr, unsigned long, old_len, unsigned long, new_len, unsigned long, flags, unsigned long, new_addr) { - unsigned long ret = -EINVAL; - if (test_thread_flag(TIF_32BIT)) - goto out; - - down_write(¤t->mm->mmap_sem); - ret = do_mremap(addr, old_len, new_len, flags, new_addr); - up_write(¤t->mm->mmap_sem); -out: - return ret; + return -EINVAL; + return sys_mremap(addr, old_len, new_len, flags, new_addr); } /* we come to here via sys_nis_syscall so it can setup the regs argument */ diff --git a/arch/sparc/kernel/trampoline_32.S b/arch/sparc/kernel/trampoline_32.S index 7364ddc9e5a..af27acab448 100644 --- a/arch/sparc/kernel/trampoline_32.S +++ b/arch/sparc/kernel/trampoline_32.S @@ -149,8 +149,6 @@ sun4d_cpu_startup: b,a smp_do_cpu_idle -#ifdef CONFIG_SPARC_LEON - __CPUINIT .align 4 .global leon_smp_cpu_startup, smp_penguin_ctable @@ -161,7 +159,7 @@ leon_smp_cpu_startup: ld [%g1+4],%g1 srl %g1,4,%g1 set 0x00000100,%g5 /* SRMMU_CTXTBL_PTR */ - sta %g1, [%g5] ASI_M_MMUREGS + sta %g1, [%g5] ASI_LEON_MMUREGS /* Set up a sane %psr -- PIL<0xf> S<0x1> PS<0x1> CWP<0x0> */ set (PSR_PIL | PSR_S | PSR_PS), %g1 @@ -207,5 +205,3 @@ leon_smp_cpu_startup: nop b,a smp_do_cpu_idle - -#endif diff --git a/arch/sparc/kernel/traps_64.c b/arch/sparc/kernel/traps_64.c index c72fdf55e1c..3b05e669771 100644 --- a/arch/sparc/kernel/traps_64.c +++ b/arch/sparc/kernel/traps_64.c @@ -2054,7 +2054,7 @@ void do_fpieee(struct pt_regs *regs) do_fpe_common(regs); } -extern int do_mathemu(struct pt_regs *, struct fpustate *); +extern int do_mathemu(struct pt_regs *, struct fpustate *, bool); void do_fpother(struct pt_regs *regs) { @@ -2068,7 +2068,7 @@ void do_fpother(struct pt_regs *regs) switch ((current_thread_info()->xfsr[0] & 0x1c000)) { case (2 << 14): /* unfinished_FPop */ case (3 << 14): /* unimplemented_FPop */ - ret = do_mathemu(regs, f); + ret = do_mathemu(regs, f, false); break; } if (ret) @@ -2308,10 +2308,12 @@ void do_illegal_instruction(struct pt_regs *regs) } else { struct fpustate *f = FPUSTATE; - /* XXX maybe verify XFSR bits like - * XXX do_fpother() does? + /* On UltraSPARC T2 and later, FPU insns which + * are not implemented in HW signal an illegal + * instruction trap and do not set the FP Trap + * Trap in the %fsr to unimplemented_FPop. */ - if (do_mathemu(regs, f)) + if (do_mathemu(regs, f, true)) return; } } diff --git a/arch/sparc/kernel/vmlinux.lds.S b/arch/sparc/kernel/vmlinux.lds.S index 0e1605697b4..89c2c29f154 100644 --- a/arch/sparc/kernel/vmlinux.lds.S +++ b/arch/sparc/kernel/vmlinux.lds.S @@ -107,6 +107,11 @@ SECTIONS *(.sun4v_2insn_patch) __sun4v_2insn_patch_end = .; } + .leon_1insn_patch : { + __leon_1insn_patch = .; + *(.leon_1insn_patch) + __leon_1insn_patch_end = .; + } .swapper_tsb_phys_patch : { __swapper_tsb_phys_patch = .; *(.swapper_tsb_phys_patch) diff --git a/arch/sparc/kernel/wof.S b/arch/sparc/kernel/wof.S index 4c2de3cf309..28a7bc69f82 100644 --- a/arch/sparc/kernel/wof.S +++ b/arch/sparc/kernel/wof.S @@ -332,24 +332,30 @@ spwin_srmmu_stackchk: mov AC_M_SFSR, %glob_tmp /* Clear the fault status and turn on the no_fault bit. */ - lda [%glob_tmp] ASI_M_MMUREGS, %g0 ! eat SFSR +LEON_PI(lda [%glob_tmp] ASI_LEON_MMUREGS, %g0) ! eat SFSR +SUN_PI_(lda [%glob_tmp] ASI_M_MMUREGS, %g0) ! eat SFSR - lda [%g0] ASI_M_MMUREGS, %glob_tmp ! read MMU control +LEON_PI(lda [%g0] ASI_LEON_MMUREGS, %glob_tmp) ! read MMU control +SUN_PI_(lda [%g0] ASI_M_MMUREGS, %glob_tmp) ! read MMU control or %glob_tmp, 0x2, %glob_tmp ! or in no_fault bit - sta %glob_tmp, [%g0] ASI_M_MMUREGS ! set it +LEON_PI(sta %glob_tmp, [%g0] ASI_LEON_MMUREGS) ! set it +SUN_PI_(sta %glob_tmp, [%g0] ASI_M_MMUREGS) ! set it /* Dump the registers and cross fingers. */ STORE_WINDOW(sp) /* Clear the no_fault bit and check the status. */ andn %glob_tmp, 0x2, %glob_tmp - sta %glob_tmp, [%g0] ASI_M_MMUREGS +LEON_PI(sta %glob_tmp, [%g0] ASI_LEON_MMUREGS) +SUN_PI_(sta %glob_tmp, [%g0] ASI_M_MMUREGS) mov AC_M_SFAR, %glob_tmp - lda [%glob_tmp] ASI_M_MMUREGS, %g0 +LEON_PI(lda [%glob_tmp] ASI_LEON_MMUREGS, %g0) +SUN_PI_(lda [%glob_tmp] ASI_M_MMUREGS, %g0) mov AC_M_SFSR, %glob_tmp - lda [%glob_tmp] ASI_M_MMUREGS, %glob_tmp +LEON_PI(lda [%glob_tmp] ASI_LEON_MMUREGS, %glob_tmp) +SUN_PI_(lda [%glob_tmp] ASI_M_MMUREGS, %glob_tmp) andcc %glob_tmp, 0x2, %g0 ! did we fault? be,a spwin_finish_up + 0x4 ! cool beans, success restore %g0, %g0, %g0 diff --git a/arch/sparc/kernel/wuf.S b/arch/sparc/kernel/wuf.S index 9fde91a249e..2c21cc59683 100644 --- a/arch/sparc/kernel/wuf.S +++ b/arch/sparc/kernel/wuf.S @@ -254,16 +254,19 @@ srmmu_fwin_stackchk: mov AC_M_SFSR, %l4 cmp %l5, %sp bleu fwin_user_stack_is_bolixed - lda [%l4] ASI_M_MMUREGS, %g0 ! clear fault status +LEON_PI( lda [%l4] ASI_LEON_MMUREGS, %g0) ! clear fault status +SUN_PI_( lda [%l4] ASI_M_MMUREGS, %g0) ! clear fault status /* The technique is, turn off faults on this processor, * just let the load rip, then check the sfsr to see if * a fault did occur. Then we turn on fault traps again * and branch conditionally based upon what happened. */ - lda [%g0] ASI_M_MMUREGS, %l5 ! read mmu-ctrl reg +LEON_PI(lda [%g0] ASI_LEON_MMUREGS, %l5) ! read mmu-ctrl reg +SUN_PI_(lda [%g0] ASI_M_MMUREGS, %l5) ! read mmu-ctrl reg or %l5, 0x2, %l5 ! turn on no-fault bit - sta %l5, [%g0] ASI_M_MMUREGS ! store it +LEON_PI(sta %l5, [%g0] ASI_LEON_MMUREGS) ! store it +SUN_PI_(sta %l5, [%g0] ASI_M_MMUREGS) ! store it /* Cross fingers and go for it. */ LOAD_WINDOW(sp) @@ -275,18 +278,22 @@ srmmu_fwin_stackchk: /* LOCATION: Window 'T' */ - lda [%g0] ASI_M_MMUREGS, %twin_tmp1 ! load mmu-ctrl again - andn %twin_tmp1, 0x2, %twin_tmp1 ! clear no-fault bit - sta %twin_tmp1, [%g0] ASI_M_MMUREGS ! store it +LEON_PI(lda [%g0] ASI_LEON_MMUREGS, %twin_tmp1) ! load mmu-ctrl again +SUN_PI_(lda [%g0] ASI_M_MMUREGS, %twin_tmp1) ! load mmu-ctrl again + andn %twin_tmp1, 0x2, %twin_tmp1 ! clear no-fault bit +LEON_PI(sta %twin_tmp1, [%g0] ASI_LEON_MMUREGS) ! store it +SUN_PI_(sta %twin_tmp1, [%g0] ASI_M_MMUREGS) ! store it mov AC_M_SFAR, %twin_tmp2 - lda [%twin_tmp2] ASI_M_MMUREGS, %g0 ! read fault address +LEON_PI(lda [%twin_tmp2] ASI_LEON_MMUREGS, %g0) ! read fault address +SUN_PI_(lda [%twin_tmp2] ASI_M_MMUREGS, %g0) ! read fault address mov AC_M_SFSR, %twin_tmp2 - lda [%twin_tmp2] ASI_M_MMUREGS, %twin_tmp2 ! read fault status - andcc %twin_tmp2, 0x2, %g0 ! did fault occur? +LEON_PI(lda [%twin_tmp2] ASI_LEON_MMUREGS, %twin_tmp2) ! read fault status +SUN_PI_(lda [%twin_tmp2] ASI_M_MMUREGS, %twin_tmp2) ! read fault status + andcc %twin_tmp2, 0x2, %g0 ! did fault occur? - bne 1f ! yep, cleanup + bne 1f ! yep, cleanup nop wr %t_psr, 0x0, %psr diff --git a/arch/sparc/math-emu/math_64.c b/arch/sparc/math-emu/math_64.c index 2bbe2f28ad2..1704068da92 100644 --- a/arch/sparc/math-emu/math_64.c +++ b/arch/sparc/math-emu/math_64.c @@ -163,7 +163,7 @@ typedef union { u64 q[2]; } *argp; -int do_mathemu(struct pt_regs *regs, struct fpustate *f) +int do_mathemu(struct pt_regs *regs, struct fpustate *f, bool illegal_insn_trap) { unsigned long pc = regs->tpc; unsigned long tstate = regs->tstate; @@ -218,7 +218,7 @@ int do_mathemu(struct pt_regs *regs, struct fpustate *f) case FSQRTS: { unsigned long x = current_thread_info()->xfsr[0]; - x = (x >> 14) & 0xf; + x = (x >> 14) & 0x7; TYPE(x,1,1,1,1,0,0); break; } @@ -226,7 +226,7 @@ int do_mathemu(struct pt_regs *regs, struct fpustate *f) case FSQRTD: { unsigned long x = current_thread_info()->xfsr[0]; - x = (x >> 14) & 0xf; + x = (x >> 14) & 0x7; TYPE(x,2,1,2,1,0,0); break; } @@ -357,9 +357,17 @@ int do_mathemu(struct pt_regs *regs, struct fpustate *f) if (type) { argp rs1 = NULL, rs2 = NULL, rd = NULL; - freg = (current_thread_info()->xfsr[0] >> 14) & 0xf; - if (freg != (type >> 9)) - goto err; + /* Starting with UltraSPARC-T2, the cpu does not set the FP Trap + * Type field in the %fsr to unimplemented_FPop. Nor does it + * use the fp_exception_other trap. Instead it signals an + * illegal instruction and leaves the FP trap type field of + * the %fsr unchanged. + */ + if (!illegal_insn_trap) { + int ftt = (current_thread_info()->xfsr[0] >> 14) & 0x7; + if (ftt != (type >> 9)) + goto err; + } current_thread_info()->xfsr[0] &= ~0x1c000; freg = ((insn >> 14) & 0x1f); switch (type & 0x3) { diff --git a/arch/sparc/mm/Makefile b/arch/sparc/mm/Makefile index 69ffd3112fe..30c3eccfdf5 100644 --- a/arch/sparc/mm/Makefile +++ b/arch/sparc/mm/Makefile @@ -8,8 +8,9 @@ obj-$(CONFIG_SPARC64) += ultra.o tlb.o tsb.o gup.o obj-y += fault_$(BITS).o obj-y += init_$(BITS).o obj-$(CONFIG_SPARC32) += extable.o srmmu.o iommu.o io-unit.o +obj-$(CONFIG_SPARC32) += srmmu_access.o obj-$(CONFIG_SPARC32) += hypersparc.o viking.o tsunami.o swift.o -obj-$(CONFIG_SPARC_LEON)+= leon_mm.o +obj-$(CONFIG_SPARC32) += leon_mm.o # Only used by sparc64 obj-$(CONFIG_HUGETLB_PAGE) += hugetlbpage.o diff --git a/arch/sparc/mm/leon_mm.c b/arch/sparc/mm/leon_mm.c index 4c67ae6e502..5bed085a2c1 100644 --- a/arch/sparc/mm/leon_mm.c +++ b/arch/sparc/mm/leon_mm.c @@ -32,7 +32,7 @@ static inline unsigned long leon_get_ctable_ptr(void) } -unsigned long srmmu_swprobe(unsigned long vaddr, unsigned long *paddr) +unsigned long leon_swprobe(unsigned long vaddr, unsigned long *paddr) { unsigned int ctxtbl; diff --git a/arch/sparc/mm/srmmu.c b/arch/sparc/mm/srmmu.c index 256db6b22c5..62e3f577330 100644 --- a/arch/sparc/mm/srmmu.c +++ b/arch/sparc/mm/srmmu.c @@ -646,6 +646,23 @@ static void __init srmmu_allocate_ptable_skeleton(unsigned long start, } } +/* These flush types are not available on all chips... */ +static inline unsigned long srmmu_probe(unsigned long vaddr) +{ + unsigned long retval; + + if (sparc_cpu_model != sparc_leon) { + + vaddr &= PAGE_MASK; + __asm__ __volatile__("lda [%1] %2, %0\n\t" : + "=r" (retval) : + "r" (vaddr | 0x400), "i" (ASI_M_FLUSH_PROBE)); + } else { + retval = leon_swprobe(vaddr, 0); + } + return retval; +} + /* * This is much cleaner than poking around physical address space * looking at the prom's page table directly which is what most @@ -665,7 +682,7 @@ static void __init srmmu_inherit_prom_mappings(unsigned long start, break; /* probably wrap around */ if(start == 0xfef00000) start = KADB_DEBUGGER_BEGVM; - if(!(prompte = srmmu_hwprobe(start))) { + if(!(prompte = srmmu_probe(start))) { start += PAGE_SIZE; continue; } @@ -674,12 +691,12 @@ static void __init srmmu_inherit_prom_mappings(unsigned long start, what = 0; if(!(start & ~(SRMMU_REAL_PMD_MASK))) { - if(srmmu_hwprobe((start-PAGE_SIZE) + SRMMU_REAL_PMD_SIZE) == prompte) + if(srmmu_probe((start-PAGE_SIZE) + SRMMU_REAL_PMD_SIZE) == prompte) what = 1; } if(!(start & ~(SRMMU_PGDIR_MASK))) { - if(srmmu_hwprobe((start-PAGE_SIZE) + SRMMU_PGDIR_SIZE) == + if(srmmu_probe((start-PAGE_SIZE) + SRMMU_PGDIR_SIZE) == prompte) what = 2; } @@ -1156,7 +1173,7 @@ static void turbosparc_flush_page_to_ram(unsigned long page) #ifdef TURBOSPARC_WRITEBACK volatile unsigned long clear; - if (srmmu_hwprobe(page)) + if (srmmu_probe(page)) turbosparc_flush_page_cache(page); clear = srmmu_get_fstatus(); #endif diff --git a/arch/sparc/mm/srmmu_access.S b/arch/sparc/mm/srmmu_access.S new file mode 100644 index 00000000000..d0a67b2c238 --- /dev/null +++ b/arch/sparc/mm/srmmu_access.S @@ -0,0 +1,82 @@ +/* Assembler variants of srmmu access functions. + * Implemented in assembler to allow run-time patching. + * LEON uses a different ASI for MMUREGS than SUN. + * + * The leon_1insn_patch infrastructure is used + * for the run-time patching. + */ + +#include <linux/linkage.h> + +#include <asm/asmmacro.h> +#include <asm/pgtsrmmu.h> +#include <asm/asi.h> + +/* unsigned int srmmu_get_mmureg(void) */ +ENTRY(srmmu_get_mmureg) +LEON_PI(lda [%g0] ASI_LEON_MMUREGS, %o0) +SUN_PI_(lda [%g0] ASI_M_MMUREGS, %o0) + retl + nop +ENDPROC(srmmu_get_mmureg) + +/* void srmmu_set_mmureg(unsigned long regval) */ +ENTRY(srmmu_set_mmureg) +LEON_PI(sta %o0, [%g0] ASI_LEON_MMUREGS) +SUN_PI_(sta %o0, [%g0] ASI_M_MMUREGS) + retl + nop +ENDPROC(srmmu_set_mmureg) + +/* void srmmu_set_ctable_ptr(unsigned long paddr) */ +ENTRY(srmmu_set_ctable_ptr) + /* paddr = ((paddr >> 4) & SRMMU_CTX_PMASK); */ + srl %o0, 4, %g1 + and %g1, SRMMU_CTX_PMASK, %g1 + + mov SRMMU_CTXTBL_PTR, %g2 +LEON_PI(sta %g1, [%g2] ASI_LEON_MMUREGS) +SUN_PI_(sta %g1, [%g2] ASI_M_MMUREGS) + retl + nop +ENDPROC(srmmu_set_ctable_ptr) + + +/* void srmmu_set_context(int context) */ +ENTRY(srmmu_set_context) + mov SRMMU_CTX_REG, %g1 +LEON_PI(sta %o0, [%g1] ASI_LEON_MMUREGS) +SUN_PI_(sta %o0, [%g1] ASI_M_MMUREGS) + retl + nop +ENDPROC(srmmu_set_context) + + +/* int srmmu_get_context(void) */ +ENTRY(srmmu_get_context) + mov SRMMU_CTX_REG, %o0 +LEON_PI(lda [%o0] ASI_LEON_MMUREGS, %o0) +SUN_PI_(lda [%o0] ASI_M_MMUREGS, %o0) + retl + nop +ENDPROC(srmmu_get_context) + + +/* unsigned int srmmu_get_fstatus(void) */ +ENTRY(srmmu_get_fstatus) + mov SRMMU_FAULT_STATUS, %o0 +LEON_PI(lda [%o0] ASI_LEON_MMUREGS, %o0) +SUN_PI_(lda [%o0] ASI_M_MMUREGS, %o0) + retl + nop +ENDPROC(srmmu_get_fstatus) + + +/* unsigned int srmmu_get_faddr(void) */ +ENTRY(srmmu_get_faddr) + mov SRMMU_FAULT_ADDR, %o0 +LEON_PI(lda [%o0] ASI_LEON_MMUREGS, %o0) +SUN_PI_(lda [%o0] ASI_M_MMUREGS, %o0) + retl + nop +ENDPROC(srmmu_get_faddr) diff --git a/arch/tile/include/asm/compat.h b/arch/tile/include/asm/compat.h index 69adc08d36a..6e74450ff0a 100644 --- a/arch/tile/include/asm/compat.h +++ b/arch/tile/include/asm/compat.h @@ -44,7 +44,6 @@ typedef __kernel_uid32_t __compat_gid32_t; typedef __kernel_mode_t compat_mode_t; typedef __kernel_dev_t compat_dev_t; typedef __kernel_loff_t compat_loff_t; -typedef __kernel_nlink_t compat_nlink_t; typedef __kernel_ipc_pid_t compat_ipc_pid_t; typedef __kernel_daddr_t compat_daddr_t; typedef __kernel_fsid_t compat_fsid_t; diff --git a/arch/tile/include/asm/thread_info.h b/arch/tile/include/asm/thread_info.h index 656c486e64f..e9c670d7a7f 100644 --- a/arch/tile/include/asm/thread_info.h +++ b/arch/tile/include/asm/thread_info.h @@ -91,11 +91,6 @@ extern void smp_nap(void); /* Enable interrupts racelessly and nap forever: helper for cpu_idle(). */ extern void _cpu_idle(void); -/* Switch boot idle thread to a freshly-allocated stack and free old stack. */ -extern void cpu_idle_on_new_stack(struct thread_info *old_ti, - unsigned long new_sp, - unsigned long new_ss10); - #else /* __ASSEMBLY__ */ /* @@ -166,7 +161,23 @@ static inline void set_restore_sigmask(void) { struct thread_info *ti = current_thread_info(); ti->status |= TS_RESTORE_SIGMASK; - set_bit(TIF_SIGPENDING, &ti->flags); + WARN_ON(!test_bit(TIF_SIGPENDING, &ti->flags)); +} +static inline void clear_restore_sigmask(void) +{ + current_thread_info()->status &= ~TS_RESTORE_SIGMASK; +} +static inline bool test_restore_sigmask(void) +{ + return current_thread_info()->status & TS_RESTORE_SIGMASK; +} +static inline bool test_and_clear_restore_sigmask(void) +{ + struct thread_info *ti = current_thread_info(); + if (!(ti->status & TS_RESTORE_SIGMASK)) + return false; + ti->status &= ~TS_RESTORE_SIGMASK; + return true; } #endif /* !__ASSEMBLY__ */ diff --git a/arch/tile/kernel/compat_signal.c b/arch/tile/kernel/compat_signal.c index cdef6e5ec02..474571b8408 100644 --- a/arch/tile/kernel/compat_signal.c +++ b/arch/tile/kernel/compat_signal.c @@ -118,8 +118,6 @@ struct compat_rt_sigframe { struct compat_ucontext uc; }; -#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) - long compat_sys_rt_sigaction(int sig, struct compat_sigaction __user *act, struct compat_sigaction __user *oact, size_t sigsetsize) @@ -302,7 +300,6 @@ long compat_sys_rt_sigreturn(struct pt_regs *regs) if (__copy_from_user(&set, &frame->uc.uc_sigmask, sizeof(set))) goto badframe; - sigdelsetmask(&set, ~_BLOCKABLE); set_current_blocked(&set); if (restore_sigcontext(regs, &frame->uc.uc_mcontext)) diff --git a/arch/tile/kernel/entry.S b/arch/tile/kernel/entry.S index 133c4b56a99..c31637baff2 100644 --- a/arch/tile/kernel/entry.S +++ b/arch/tile/kernel/entry.S @@ -68,20 +68,6 @@ STD_ENTRY(KBacktraceIterator_init_current) jrp lr /* keep backtracer happy */ STD_ENDPROC(KBacktraceIterator_init_current) -/* - * Reset our stack to r1/r2 (sp and ksp0+cpu respectively), then - * free the old stack (passed in r0) and re-invoke cpu_idle(). - * We update sp and ksp0 simultaneously to avoid backtracer warnings. - */ -STD_ENTRY(cpu_idle_on_new_stack) - { - move sp, r1 - mtspr SPR_SYSTEM_SAVE_K_0, r2 - } - jal free_thread_info - j cpu_idle - STD_ENDPROC(cpu_idle_on_new_stack) - /* Loop forever on a nap during SMP boot. */ STD_ENTRY(smp_nap) nap diff --git a/arch/tile/kernel/process.c b/arch/tile/kernel/process.c index ba1023d8a02..6be79915050 100644 --- a/arch/tile/kernel/process.c +++ b/arch/tile/kernel/process.c @@ -565,8 +565,6 @@ int do_work_pending(struct pt_regs *regs, u32 thread_info_flags) if (thread_info_flags & _TIF_NOTIFY_RESUME) { clear_thread_flag(TIF_NOTIFY_RESUME); tracehook_notify_resume(regs); - if (current->replacement_session_keyring) - key_replace_session_keyring(); return 1; } if (thread_info_flags & _TIF_SINGLESTEP) { diff --git a/arch/tile/kernel/setup.c b/arch/tile/kernel/setup.c index 6098ccc59be..dd87f342039 100644 --- a/arch/tile/kernel/setup.c +++ b/arch/tile/kernel/setup.c @@ -29,6 +29,7 @@ #include <linux/smp.h> #include <linux/timex.h> #include <linux/hugetlb.h> +#include <linux/start_kernel.h> #include <asm/setup.h> #include <asm/sections.h> #include <asm/cacheflush.h> diff --git a/arch/tile/kernel/signal.c b/arch/tile/kernel/signal.c index f79d4b88c74..e29b0553211 100644 --- a/arch/tile/kernel/signal.c +++ b/arch/tile/kernel/signal.c @@ -37,8 +37,6 @@ #define DEBUG_SIG 0 -#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) - SYSCALL_DEFINE3(sigaltstack, const stack_t __user *, uss, stack_t __user *, uoss, struct pt_regs *, regs) { @@ -96,7 +94,6 @@ SYSCALL_DEFINE1(rt_sigreturn, struct pt_regs *, regs) if (__copy_from_user(&set, &frame->uc.uc_sigmask, sizeof(set))) goto badframe; - sigdelsetmask(&set, ~_BLOCKABLE); set_current_blocked(&set); if (restore_sigcontext(regs, &frame->uc.uc_mcontext)) @@ -242,10 +239,11 @@ give_sigsegv: * OK, we're invoking a handler */ -static int handle_signal(unsigned long sig, siginfo_t *info, - struct k_sigaction *ka, sigset_t *oldset, +static void handle_signal(unsigned long sig, siginfo_t *info, + struct k_sigaction *ka, struct pt_regs *regs) { + sigset_t *oldset = sigmask_to_save(); int ret; /* Are we from a system call? */ @@ -278,15 +276,9 @@ static int handle_signal(unsigned long sig, siginfo_t *info, else #endif ret = setup_rt_frame(sig, ka, info, oldset, regs); - if (ret == 0) { - /* This code is only called from system calls or from - * the work_pending path in the return-to-user code, and - * either way we can re-enable interrupts unconditionally. - */ - block_sigmask(ka, sig); - } - - return ret; + if (ret) + return; + signal_delivered(sig, info, ka, regs, 0); } /* @@ -299,7 +291,6 @@ void do_signal(struct pt_regs *regs) siginfo_t info; int signr; struct k_sigaction ka; - sigset_t *oldset; /* * i386 will check if we're coming from kernel mode and bail out @@ -308,24 +299,10 @@ void do_signal(struct pt_regs *regs) * helpful, we can reinstate the check on "!user_mode(regs)". */ - if (current_thread_info()->status & TS_RESTORE_SIGMASK) - oldset = ¤t->saved_sigmask; - else - oldset = ¤t->blocked; - signr = get_signal_to_deliver(&info, &ka, regs, NULL); if (signr > 0) { /* Whee! Actually deliver the signal. */ - if (handle_signal(signr, &info, &ka, oldset, regs) == 0) { - /* - * A signal was successfully delivered; the saved - * sigmask will have been stored in the signal frame, - * and will be restored by sigreturn, so we can simply - * clear the TS_RESTORE_SIGMASK flag. - */ - current_thread_info()->status &= ~TS_RESTORE_SIGMASK; - } - + handle_signal(signr, &info, &ka, regs); goto done; } @@ -350,10 +327,7 @@ void do_signal(struct pt_regs *regs) } /* If there's no signal to deliver, just put the saved sigmask back. */ - if (current_thread_info()->status & TS_RESTORE_SIGMASK) { - current_thread_info()->status &= ~TS_RESTORE_SIGMASK; - sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); - } + restore_saved_sigmask(); done: /* Avoid double syscall restart if there are nested signals. */ diff --git a/arch/um/Makefile b/arch/um/Makefile index 55c0661e2b5..097091059aa 100644 --- a/arch/um/Makefile +++ b/arch/um/Makefile @@ -121,15 +121,8 @@ LINK_WRAPS = -Wl,--wrap,malloc -Wl,--wrap,free -Wl,--wrap,calloc LD_FLAGS_CMDLINE = $(foreach opt,$(LDFLAGS),-Wl,$(opt)) -CFLAGS_vmlinux := $(LINK-y) $(LINK_WRAPS) $(LD_FLAGS_CMDLINE) -define cmd_vmlinux__ - $(CC) $(CFLAGS_vmlinux) -o $@ \ - -Wl,-T,$(vmlinux-lds) $(vmlinux-init) \ - -Wl,--start-group $(vmlinux-main) -Wl,--end-group \ - -lutil \ - $(filter-out $(vmlinux-lds) $(vmlinux-init) $(vmlinux-main) vmlinux.o \ - FORCE ,$^) ; rm -f linux -endef +# Used by link-vmlinux.sh which has special support for um link +export CFLAGS_vmlinux := $(LINK-y) $(LINK_WRAPS) $(LD_FLAGS_CMDLINE) # When cleaning we don't include .config, so we don't include # TT or skas makefiles and don't clean skas_ptregs.h. diff --git a/arch/um/include/shared/frame_kern.h b/arch/um/include/shared/frame_kern.h index 76078490c25..e584e40ee83 100644 --- a/arch/um/include/shared/frame_kern.h +++ b/arch/um/include/shared/frame_kern.h @@ -6,9 +6,6 @@ #ifndef __FRAME_KERN_H_ #define __FRAME_KERN_H_ -#define _S(nr) (1<<((nr)-1)) -#define _BLOCKABLE (~(_S(SIGKILL) | _S(SIGSTOP))) - extern int setup_signal_stack_sc(unsigned long stack_top, int sig, struct k_sigaction *ka, struct pt_regs *regs, diff --git a/arch/um/kernel/process.c b/arch/um/kernel/process.c index 3a2235e0abc..ccb9a9d283f 100644 --- a/arch/um/kernel/process.c +++ b/arch/um/kernel/process.c @@ -117,11 +117,8 @@ void interrupt_end(void) schedule(); if (test_thread_flag(TIF_SIGPENDING)) do_signal(); - if (test_and_clear_thread_flag(TIF_NOTIFY_RESUME)) { + if (test_and_clear_thread_flag(TIF_NOTIFY_RESUME)) tracehook_notify_resume(¤t->thread.regs); - if (current->replacement_session_keyring) - key_replace_session_keyring(); - } } void exit_thread(void) diff --git a/arch/um/kernel/reboot.c b/arch/um/kernel/reboot.c index 4d93dff6b37..3d15243ce69 100644 --- a/arch/um/kernel/reboot.c +++ b/arch/um/kernel/reboot.c @@ -4,7 +4,9 @@ */ #include "linux/sched.h" +#include "linux/spinlock.h" #include "linux/slab.h" +#include "linux/oom.h" #include "kern_util.h" #include "os.h" #include "skas.h" @@ -22,13 +24,18 @@ static void kill_off_processes(void) struct task_struct *p; int pid; + read_lock(&tasklist_lock); for_each_process(p) { - if (p->mm == NULL) - continue; + struct task_struct *t; - pid = p->mm->context.id.u.pid; + t = find_lock_task_mm(p); + if (!t) + continue; + pid = t->mm->context.id.u.pid; + task_unlock(t); os_kill_ptraced_process(pid, 1); } + read_unlock(&tasklist_lock); } } diff --git a/arch/um/kernel/signal.c b/arch/um/kernel/signal.c index 292e706016c..7362d58efc2 100644 --- a/arch/um/kernel/signal.c +++ b/arch/um/kernel/signal.c @@ -15,17 +15,13 @@ EXPORT_SYMBOL(block_signals); EXPORT_SYMBOL(unblock_signals); -#define _S(nr) (1<<((nr)-1)) - -#define _BLOCKABLE (~(_S(SIGKILL) | _S(SIGSTOP))) - /* * OK, we're invoking a handler */ -static int handle_signal(struct pt_regs *regs, unsigned long signr, - struct k_sigaction *ka, siginfo_t *info, - sigset_t *oldset) +static void handle_signal(struct pt_regs *regs, unsigned long signr, + struct k_sigaction *ka, siginfo_t *info) { + sigset_t *oldset = sigmask_to_save(); unsigned long sp; int err; @@ -65,9 +61,7 @@ static int handle_signal(struct pt_regs *regs, unsigned long signr, if (err) force_sigsegv(signr, current); else - block_sigmask(ka, signr); - - return err; + signal_delivered(signr, info, ka, regs, 0); } static int kern_do_signal(struct pt_regs *regs) @@ -77,24 +71,9 @@ static int kern_do_signal(struct pt_regs *regs) int sig, handled_sig = 0; while ((sig = get_signal_to_deliver(&info, &ka_copy, regs, NULL)) > 0) { - sigset_t *oldset; - if (test_thread_flag(TIF_RESTORE_SIGMASK)) - oldset = ¤t->saved_sigmask; - else - oldset = ¤t->blocked; handled_sig = 1; /* Whee! Actually deliver the signal. */ - if (!handle_signal(regs, sig, &ka_copy, &info, oldset)) { - /* - * a signal was successfully delivered; the saved - * sigmask will have been stored in the signal frame, - * and will be restored by sigreturn, so we can simply - * clear the TIF_RESTORE_SIGMASK flag - */ - if (test_thread_flag(TIF_RESTORE_SIGMASK)) - clear_thread_flag(TIF_RESTORE_SIGMASK); - break; - } + handle_signal(regs, sig, &ka_copy, &info); } /* Did we come from a system call? */ @@ -130,10 +109,8 @@ static int kern_do_signal(struct pt_regs *regs) * if there's no signal to deliver, we just put the saved sigmask * back */ - if (!handled_sig && test_thread_flag(TIF_RESTORE_SIGMASK)) { - clear_thread_flag(TIF_RESTORE_SIGMASK); - sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); - } + if (!handled_sig) + restore_saved_sigmask(); return handled_sig; } diff --git a/arch/um/kernel/trap.c b/arch/um/kernel/trap.c index dafc9471595..3be60765c0e 100644 --- a/arch/um/kernel/trap.c +++ b/arch/um/kernel/trap.c @@ -30,6 +30,8 @@ int handle_page_fault(unsigned long address, unsigned long ip, pmd_t *pmd; pte_t *pte; int err = -EFAULT; + unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE | + (is_write ? FAULT_FLAG_WRITE : 0); *code_out = SEGV_MAPERR; @@ -40,6 +42,7 @@ int handle_page_fault(unsigned long address, unsigned long ip, if (in_atomic()) goto out_nosemaphore; +retry: down_read(&mm->mmap_sem); vma = find_vma(mm, address); if (!vma) @@ -65,7 +68,11 @@ good_area: do { int fault; - fault = handle_mm_fault(mm, vma, address, is_write ? FAULT_FLAG_WRITE : 0); + fault = handle_mm_fault(mm, vma, address, flags); + + if ((fault & VM_FAULT_RETRY) && fatal_signal_pending(current)) + goto out_nosemaphore; + if (unlikely(fault & VM_FAULT_ERROR)) { if (fault & VM_FAULT_OOM) { goto out_of_memory; @@ -75,10 +82,17 @@ good_area: } BUG(); } - if (fault & VM_FAULT_MAJOR) - current->maj_flt++; - else - current->min_flt++; + if (flags & FAULT_FLAG_ALLOW_RETRY) { + if (fault & VM_FAULT_MAJOR) + current->maj_flt++; + else + current->min_flt++; + if (fault & VM_FAULT_RETRY) { + flags &= ~FAULT_FLAG_ALLOW_RETRY; + + goto retry; + } + } pgd = pgd_offset(mm, address); pud = pud_offset(pgd, address); diff --git a/arch/unicore32/kernel/signal.c b/arch/unicore32/kernel/signal.c index 7754df6ef7d..8adedb37720 100644 --- a/arch/unicore32/kernel/signal.c +++ b/arch/unicore32/kernel/signal.c @@ -21,8 +21,6 @@ #include <asm/cacheflush.h> #include <asm/ucontext.h> -#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) - /* * For UniCore syscalls, we encode the syscall number into the instruction. */ @@ -61,10 +59,8 @@ static int restore_sigframe(struct pt_regs *regs, struct sigframe __user *sf) int err; err = __copy_from_user(&set, &sf->uc.uc_sigmask, sizeof(set)); - if (err == 0) { - sigdelsetmask(&set, ~_BLOCKABLE); + if (err == 0) set_current_blocked(&set); - } err |= __get_user(regs->UCreg_00, &sf->uc.uc_mcontext.regs.UCreg_00); err |= __get_user(regs->UCreg_01, &sf->uc.uc_mcontext.regs.UCreg_01); @@ -312,13 +308,12 @@ static inline void setup_syscall_restart(struct pt_regs *regs) /* * OK, we're invoking a handler */ -static int handle_signal(unsigned long sig, struct k_sigaction *ka, - siginfo_t *info, sigset_t *oldset, - struct pt_regs *regs, int syscall) +static void handle_signal(unsigned long sig, struct k_sigaction *ka, + siginfo_t *info, struct pt_regs *regs, int syscall) { struct thread_info *thread = current_thread_info(); struct task_struct *tsk = current; - sigset_t blocked; + sigset_t *oldset = sigmask_to_save(); int usig = sig; int ret; @@ -364,15 +359,10 @@ static int handle_signal(unsigned long sig, struct k_sigaction *ka, if (ret != 0) { force_sigsegv(sig, tsk); - return ret; + return; } - /* - * Block the signal if we were successful. - */ - block_sigmask(ka, sig); - - return 0; + signal_delivered(sig, info, ka, regs, 0); } /* @@ -399,32 +389,12 @@ static void do_signal(struct pt_regs *regs, int syscall) if (!user_mode(regs)) return; - if (try_to_freeze()) - goto no_signal; - signr = get_signal_to_deliver(&info, &ka, regs, NULL); if (signr > 0) { - sigset_t *oldset; - - if (test_thread_flag(TIF_RESTORE_SIGMASK)) - oldset = ¤t->saved_sigmask; - else - oldset = ¤t->blocked; - if (handle_signal(signr, &ka, &info, oldset, regs, syscall) - == 0) { - /* - * A signal was successfully delivered; the saved - * sigmask will have been stored in the signal frame, - * and will be restored by sigreturn, so we can simply - * clear the TIF_RESTORE_SIGMASK flag. - */ - if (test_thread_flag(TIF_RESTORE_SIGMASK)) - clear_thread_flag(TIF_RESTORE_SIGMASK); - } + handle_signal(signr, &ka, &info, regs, syscall); return; } - no_signal: /* * No signal to deliver to the process - restart the syscall. */ @@ -451,8 +421,7 @@ static void do_signal(struct pt_regs *regs, int syscall) /* If there's no signal to deliver, we just put the saved * sigmask back. */ - if (test_and_clear_thread_flag(TIF_RESTORE_SIGMASK)) - set_current_blocked(¤t->saved_sigmask); + restore_saved_sigmask(); } asmlinkage void do_notify_resume(struct pt_regs *regs, @@ -464,8 +433,6 @@ asmlinkage void do_notify_resume(struct pt_regs *regs, if (thread_flags & _TIF_NOTIFY_RESUME) { clear_thread_flag(TIF_NOTIFY_RESUME); tracehook_notify_resume(regs); - if (current->replacement_session_keyring) - key_replace_session_keyring(); } } diff --git a/arch/x86/Kbuild b/arch/x86/Kbuild index 0e9dec6cadd..e5287d8517a 100644 --- a/arch/x86/Kbuild +++ b/arch/x86/Kbuild @@ -1,4 +1,3 @@ - obj-$(CONFIG_KVM) += kvm/ # Xen paravirtualization support @@ -7,6 +6,7 @@ obj-$(CONFIG_XEN) += xen/ # lguest paravirtualization support obj-$(CONFIG_LGUEST_GUEST) += lguest/ +obj-y += realmode/ obj-y += kernel/ obj-y += mm/ diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index d700811785e..c70684f859e 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -1506,6 +1506,8 @@ config EFI_STUB This kernel feature allows a bzImage to be loaded directly by EFI firmware without the use of a bootloader. + See Documentation/x86/efi-stub.txt for more information. + config SECCOMP def_bool y prompt "Enable seccomp to safely compute untrusted bytecode" diff --git a/arch/x86/boot/compressed/eboot.c b/arch/x86/boot/compressed/eboot.c index 2c14e76bb4c..4e85f5f8583 100644 --- a/arch/x86/boot/compressed/eboot.c +++ b/arch/x86/boot/compressed/eboot.c @@ -16,6 +16,26 @@ static efi_system_table_t *sys_table; +static void efi_printk(char *str) +{ + char *s8; + + for (s8 = str; *s8; s8++) { + struct efi_simple_text_output_protocol *out; + efi_char16_t ch[2] = { 0 }; + + ch[0] = *s8; + out = (struct efi_simple_text_output_protocol *)sys_table->con_out; + + if (*s8 == '\n') { + efi_char16_t nl[2] = { '\r', 0 }; + efi_call_phys2(out->output_string, out, nl); + } + + efi_call_phys2(out->output_string, out, ch); + } +} + static efi_status_t __get_map(efi_memory_desc_t **map, unsigned long *map_size, unsigned long *desc_size) { @@ -531,8 +551,10 @@ static efi_status_t handle_ramdisks(efi_loaded_image_t *image, EFI_LOADER_DATA, nr_initrds * sizeof(*initrds), &initrds); - if (status != EFI_SUCCESS) + if (status != EFI_SUCCESS) { + efi_printk("Failed to alloc mem for initrds\n"); goto fail; + } str = (char *)(unsigned long)hdr->cmd_line_ptr; for (i = 0; i < nr_initrds; i++) { @@ -575,32 +597,42 @@ static efi_status_t handle_ramdisks(efi_loaded_image_t *image, status = efi_call_phys3(boottime->handle_protocol, image->device_handle, &fs_proto, &io); - if (status != EFI_SUCCESS) + if (status != EFI_SUCCESS) { + efi_printk("Failed to handle fs_proto\n"); goto free_initrds; + } status = efi_call_phys2(io->open_volume, io, &fh); - if (status != EFI_SUCCESS) + if (status != EFI_SUCCESS) { + efi_printk("Failed to open volume\n"); goto free_initrds; + } } status = efi_call_phys5(fh->open, fh, &h, filename_16, EFI_FILE_MODE_READ, (u64)0); - if (status != EFI_SUCCESS) + if (status != EFI_SUCCESS) { + efi_printk("Failed to open initrd file\n"); goto close_handles; + } initrd->handle = h; info_sz = 0; status = efi_call_phys4(h->get_info, h, &info_guid, &info_sz, NULL); - if (status != EFI_BUFFER_TOO_SMALL) + if (status != EFI_BUFFER_TOO_SMALL) { + efi_printk("Failed to get initrd info size\n"); goto close_handles; + } grow: status = efi_call_phys3(sys_table->boottime->allocate_pool, EFI_LOADER_DATA, info_sz, &info); - if (status != EFI_SUCCESS) + if (status != EFI_SUCCESS) { + efi_printk("Failed to alloc mem for initrd info\n"); goto close_handles; + } status = efi_call_phys4(h->get_info, h, &info_guid, &info_sz, info); @@ -612,8 +644,10 @@ grow: file_sz = info->file_size; efi_call_phys1(sys_table->boottime->free_pool, info); - if (status != EFI_SUCCESS) + if (status != EFI_SUCCESS) { + efi_printk("Failed to get initrd info\n"); goto close_handles; + } initrd->size = file_sz; initrd_total += file_sz; @@ -629,11 +663,14 @@ grow: */ status = high_alloc(initrd_total, 0x1000, &initrd_addr, hdr->initrd_addr_max); - if (status != EFI_SUCCESS) + if (status != EFI_SUCCESS) { + efi_printk("Failed to alloc highmem for initrds\n"); goto close_handles; + } /* We've run out of free low memory. */ if (initrd_addr > hdr->initrd_addr_max) { + efi_printk("We've run out of free low memory\n"); status = EFI_INVALID_PARAMETER; goto free_initrd_total; } @@ -652,8 +689,10 @@ grow: status = efi_call_phys3(fh->read, initrds[j].handle, &chunksize, addr); - if (status != EFI_SUCCESS) + if (status != EFI_SUCCESS) { + efi_printk("Failed to read initrd\n"); goto free_initrd_total; + } addr += chunksize; size -= chunksize; } @@ -674,7 +713,7 @@ free_initrd_total: low_free(initrd_total, initrd_addr); close_handles: - for (k = j; k < nr_initrds; k++) + for (k = j; k < i; k++) efi_call_phys1(fh->close, initrds[k].handle); free_initrds: efi_call_phys1(sys_table->boottime->free_pool, initrds); @@ -732,8 +771,10 @@ static efi_status_t make_boot_params(struct boot_params *boot_params, options_size++; /* NUL termination */ status = low_alloc(options_size, 1, &cmdline); - if (status != EFI_SUCCESS) + if (status != EFI_SUCCESS) { + efi_printk("Failed to alloc mem for cmdline\n"); goto fail; + } s1 = (u8 *)(unsigned long)cmdline; s2 = (u16 *)options; @@ -895,12 +936,16 @@ struct boot_params *efi_main(void *handle, efi_system_table_t *_table) status = efi_call_phys3(sys_table->boottime->handle_protocol, handle, &proto, (void *)&image); - if (status != EFI_SUCCESS) + if (status != EFI_SUCCESS) { + efi_printk("Failed to get handle for LOADED_IMAGE_PROTOCOL\n"); goto fail; + } status = low_alloc(0x4000, 1, (unsigned long *)&boot_params); - if (status != EFI_SUCCESS) + if (status != EFI_SUCCESS) { + efi_printk("Failed to alloc lowmem for boot params\n"); goto fail; + } memset(boot_params, 0x0, 0x4000); @@ -933,8 +978,10 @@ struct boot_params *efi_main(void *handle, efi_system_table_t *_table) if (status != EFI_SUCCESS) { status = low_alloc(hdr->init_size, hdr->kernel_alignment, &start); - if (status != EFI_SUCCESS) + if (status != EFI_SUCCESS) { + efi_printk("Failed to alloc mem for kernel\n"); goto fail; + } } hdr->code32_start = (__u32)start; @@ -945,19 +992,25 @@ struct boot_params *efi_main(void *handle, efi_system_table_t *_table) status = efi_call_phys3(sys_table->boottime->allocate_pool, EFI_LOADER_DATA, sizeof(*gdt), (void **)&gdt); - if (status != EFI_SUCCESS) + if (status != EFI_SUCCESS) { + efi_printk("Failed to alloc mem for gdt structure\n"); goto fail; + } gdt->size = 0x800; status = low_alloc(gdt->size, 8, (unsigned long *)&gdt->address); - if (status != EFI_SUCCESS) + if (status != EFI_SUCCESS) { + efi_printk("Failed to alloc mem for gdt\n"); goto fail; + } status = efi_call_phys3(sys_table->boottime->allocate_pool, EFI_LOADER_DATA, sizeof(*idt), (void **)&idt); - if (status != EFI_SUCCESS) + if (status != EFI_SUCCESS) { + efi_printk("Failed to alloc mem for idt structure\n"); goto fail; + } idt->size = 0; idt->address = 0; diff --git a/arch/x86/boot/compressed/eboot.h b/arch/x86/boot/compressed/eboot.h index 39251663e65..3b6e15627c5 100644 --- a/arch/x86/boot/compressed/eboot.h +++ b/arch/x86/boot/compressed/eboot.h @@ -58,4 +58,10 @@ struct efi_uga_draw_protocol { void *blt; }; +struct efi_simple_text_output_protocol { + void *reset; + void *output_string; + void *test_string; +}; + #endif /* BOOT_COMPRESSED_EBOOT_H */ diff --git a/arch/x86/boot/header.S b/arch/x86/boot/header.S index 8bbea6aa40d..efe5acfc79c 100644 --- a/arch/x86/boot/header.S +++ b/arch/x86/boot/header.S @@ -94,10 +94,10 @@ bs_die: .section ".bsdata", "a" bugger_off_msg: - .ascii "Direct booting from floppy is no longer supported.\r\n" - .ascii "Please use a boot loader program instead.\r\n" + .ascii "Direct floppy boot is not supported. " + .ascii "Use a boot loader program instead.\r\n" .ascii "\n" - .ascii "Remove disk and press any key to reboot . . .\r\n" + .ascii "Remove disk and press any key to reboot ...\r\n" .byte 0 #ifdef CONFIG_EFI_STUB @@ -111,7 +111,7 @@ coff_header: #else .word 0x8664 # x86-64 #endif - .word 2 # nr_sections + .word 3 # nr_sections .long 0 # TimeDateStamp .long 0 # PointerToSymbolTable .long 1 # NumberOfSymbols @@ -158,8 +158,8 @@ extra_header_fields: #else .quad 0 # ImageBase #endif - .long 0x1000 # SectionAlignment - .long 0x200 # FileAlignment + .long 0x20 # SectionAlignment + .long 0x20 # FileAlignment .word 0 # MajorOperatingSystemVersion .word 0 # MinorOperatingSystemVersion .word 0 # MajorImageVersion @@ -200,8 +200,10 @@ extra_header_fields: # Section table section_table: - .ascii ".text" - .byte 0 + # + # The offset & size fields are filled in by build.c. + # + .ascii ".setup" .byte 0 .byte 0 .long 0 @@ -217,9 +219,8 @@ section_table: # # The EFI application loader requires a relocation section - # because EFI applications must be relocatable. But since - # we don't need the loader to fixup any relocs for us, we - # just create an empty (zero-length) .reloc section header. + # because EFI applications must be relocatable. The .reloc + # offset & size fields are filled in by build.c. # .ascii ".reloc" .byte 0 @@ -233,6 +234,25 @@ section_table: .word 0 # NumberOfRelocations .word 0 # NumberOfLineNumbers .long 0x42100040 # Characteristics (section flags) + + # + # The offset & size fields are filled in by build.c. + # + .ascii ".text" + .byte 0 + .byte 0 + .byte 0 + .long 0 + .long 0x0 # startup_{32,64} + .long 0 # Size of initialized data + # on disk + .long 0x0 # startup_{32,64} + .long 0 # PointerToRelocations + .long 0 # PointerToLineNumbers + .word 0 # NumberOfRelocations + .word 0 # NumberOfLineNumbers + .long 0x60500020 # Characteristics (section flags) + #endif /* CONFIG_EFI_STUB */ # Kernel attributes; used by setup. This is part 1 of the diff --git a/arch/x86/boot/tools/build.c b/arch/x86/boot/tools/build.c index 3f61f6e2b46..4b8e165ee57 100644 --- a/arch/x86/boot/tools/build.c +++ b/arch/x86/boot/tools/build.c @@ -50,6 +50,8 @@ typedef unsigned int u32; u8 buf[SETUP_SECT_MAX*512]; int is_big_kernel; +#define PECOFF_RELOC_RESERVE 0x20 + /*----------------------------------------------------------------------*/ static const u32 crctab32[] = { @@ -133,11 +135,103 @@ static void usage(void) die("Usage: build setup system [> image]"); } -int main(int argc, char ** argv) -{ #ifdef CONFIG_EFI_STUB - unsigned int file_sz, pe_header; + +static void update_pecoff_section_header(char *section_name, u32 offset, u32 size) +{ + unsigned int pe_header; + unsigned short num_sections; + u8 *section; + + pe_header = get_unaligned_le32(&buf[0x3c]); + num_sections = get_unaligned_le16(&buf[pe_header + 6]); + +#ifdef CONFIG_X86_32 + section = &buf[pe_header + 0xa8]; +#else + section = &buf[pe_header + 0xb8]; #endif + + while (num_sections > 0) { + if (strncmp((char*)section, section_name, 8) == 0) { + /* section header size field */ + put_unaligned_le32(size, section + 0x8); + + /* section header vma field */ + put_unaligned_le32(offset, section + 0xc); + + /* section header 'size of initialised data' field */ + put_unaligned_le32(size, section + 0x10); + + /* section header 'file offset' field */ + put_unaligned_le32(offset, section + 0x14); + + break; + } + section += 0x28; + num_sections--; + } +} + +static void update_pecoff_setup_and_reloc(unsigned int size) +{ + u32 setup_offset = 0x200; + u32 reloc_offset = size - PECOFF_RELOC_RESERVE; + u32 setup_size = reloc_offset - setup_offset; + + update_pecoff_section_header(".setup", setup_offset, setup_size); + update_pecoff_section_header(".reloc", reloc_offset, PECOFF_RELOC_RESERVE); + + /* + * Modify .reloc section contents with a single entry. The + * relocation is applied to offset 10 of the relocation section. + */ + put_unaligned_le32(reloc_offset + 10, &buf[reloc_offset]); + put_unaligned_le32(10, &buf[reloc_offset + 4]); +} + +static void update_pecoff_text(unsigned int text_start, unsigned int file_sz) +{ + unsigned int pe_header; + unsigned int text_sz = file_sz - text_start; + + pe_header = get_unaligned_le32(&buf[0x3c]); + + /* Size of image */ + put_unaligned_le32(file_sz, &buf[pe_header + 0x50]); + + /* + * Size of code: Subtract the size of the first sector (512 bytes) + * which includes the header. + */ + put_unaligned_le32(file_sz - 512, &buf[pe_header + 0x1c]); + +#ifdef CONFIG_X86_32 + /* + * Address of entry point. + * + * The EFI stub entry point is +16 bytes from the start of + * the .text section. + */ + put_unaligned_le32(text_start + 16, &buf[pe_header + 0x28]); +#else + /* + * Address of entry point. startup_32 is at the beginning and + * the 64-bit entry point (startup_64) is always 512 bytes + * after. The EFI stub entry point is 16 bytes after that, as + * the first instruction allows legacy loaders to jump over + * the EFI stub initialisation + */ + put_unaligned_le32(text_start + 528, &buf[pe_header + 0x28]); +#endif /* CONFIG_X86_32 */ + + update_pecoff_section_header(".text", text_start, text_sz); +} + +#endif /* CONFIG_EFI_STUB */ + +int main(int argc, char ** argv) +{ unsigned int i, sz, setup_sectors; int c; u32 sys_size; @@ -163,6 +257,12 @@ int main(int argc, char ** argv) die("Boot block hasn't got boot flag (0xAA55)"); fclose(file); +#ifdef CONFIG_EFI_STUB + /* Reserve 0x20 bytes for .reloc section */ + memset(buf+c, 0, PECOFF_RELOC_RESERVE); + c += PECOFF_RELOC_RESERVE; +#endif + /* Pad unused space with zeros */ setup_sectors = (c + 511) / 512; if (setup_sectors < SETUP_SECT_MIN) @@ -170,6 +270,10 @@ int main(int argc, char ** argv) i = setup_sectors*512; memset(buf+c, 0, i-c); +#ifdef CONFIG_EFI_STUB + update_pecoff_setup_and_reloc(i); +#endif + /* Set the default root device */ put_unaligned_le16(DEFAULT_ROOT_DEV, &buf[508]); @@ -194,66 +298,8 @@ int main(int argc, char ** argv) put_unaligned_le32(sys_size, &buf[0x1f4]); #ifdef CONFIG_EFI_STUB - file_sz = sz + i + ((sys_size * 16) - sz); - - pe_header = get_unaligned_le32(&buf[0x3c]); - - /* Size of image */ - put_unaligned_le32(file_sz, &buf[pe_header + 0x50]); - - /* - * Subtract the size of the first section (512 bytes) which - * includes the header and .reloc section. The remaining size - * is that of the .text section. - */ - file_sz -= 512; - - /* Size of code */ - put_unaligned_le32(file_sz, &buf[pe_header + 0x1c]); - -#ifdef CONFIG_X86_32 - /* - * Address of entry point. - * - * The EFI stub entry point is +16 bytes from the start of - * the .text section. - */ - put_unaligned_le32(i + 16, &buf[pe_header + 0x28]); - - /* .text size */ - put_unaligned_le32(file_sz, &buf[pe_header + 0xb0]); - - /* .text vma */ - put_unaligned_le32(0x200, &buf[pe_header + 0xb4]); - - /* .text size of initialised data */ - put_unaligned_le32(file_sz, &buf[pe_header + 0xb8]); - - /* .text file offset */ - put_unaligned_le32(0x200, &buf[pe_header + 0xbc]); -#else - /* - * Address of entry point. startup_32 is at the beginning and - * the 64-bit entry point (startup_64) is always 512 bytes - * after. The EFI stub entry point is 16 bytes after that, as - * the first instruction allows legacy loaders to jump over - * the EFI stub initialisation - */ - put_unaligned_le32(i + 528, &buf[pe_header + 0x28]); - - /* .text size */ - put_unaligned_le32(file_sz, &buf[pe_header + 0xc0]); - - /* .text vma */ - put_unaligned_le32(0x200, &buf[pe_header + 0xc4]); - - /* .text size of initialised data */ - put_unaligned_le32(file_sz, &buf[pe_header + 0xc8]); - - /* .text file offset */ - put_unaligned_le32(0x200, &buf[pe_header + 0xcc]); -#endif /* CONFIG_X86_32 */ -#endif /* CONFIG_EFI_STUB */ + update_pecoff_text(setup_sectors * 512, sz + i + ((sys_size * 16) - sz)); +#endif crc = partial_crc32(buf, i, crc); if (fwrite(buf, 1, i, stdout) != i) diff --git a/arch/x86/crypto/aesni-intel_asm.S b/arch/x86/crypto/aesni-intel_asm.S index be6d9e365a8..3470624d783 100644 --- a/arch/x86/crypto/aesni-intel_asm.S +++ b/arch/x86/crypto/aesni-intel_asm.S @@ -2460,10 +2460,12 @@ ENTRY(aesni_cbc_dec) pxor IN3, STATE4 movaps IN4, IV #else - pxor (INP), STATE2 - pxor 0x10(INP), STATE3 pxor IN1, STATE4 movaps IN2, IV + movups (INP), IN1 + pxor IN1, STATE2 + movups 0x10(INP), IN2 + pxor IN2, STATE3 #endif movups STATE1, (OUTP) movups STATE2, 0x10(OUTP) diff --git a/arch/x86/ia32/ia32_signal.c b/arch/x86/ia32/ia32_signal.c index 98bd70faccc..daeca56211e 100644 --- a/arch/x86/ia32/ia32_signal.c +++ b/arch/x86/ia32/ia32_signal.c @@ -273,7 +273,6 @@ asmlinkage long sys32_sigreturn(struct pt_regs *regs) sizeof(frame->extramask)))) goto badframe; - sigdelsetmask(&set, ~_BLOCKABLE); set_current_blocked(&set); if (ia32_restore_sigcontext(regs, &frame->sc, &ax)) @@ -299,7 +298,6 @@ asmlinkage long sys32_rt_sigreturn(struct pt_regs *regs) if (__copy_from_user(&set, &frame->uc.uc_sigmask, sizeof(set))) goto badframe; - sigdelsetmask(&set, ~_BLOCKABLE); set_current_blocked(&set); if (ia32_restore_sigcontext(regs, &frame->uc.uc_mcontext, &ax)) diff --git a/arch/x86/include/asm/acpi.h b/arch/x86/include/asm/acpi.h index 610001d385d..0c44630d178 100644 --- a/arch/x86/include/asm/acpi.h +++ b/arch/x86/include/asm/acpi.h @@ -29,7 +29,7 @@ #include <asm/processor.h> #include <asm/mmu.h> #include <asm/mpspec.h> -#include <asm/trampoline.h> +#include <asm/realmode.h> #define COMPILER_DEPENDENT_INT64 long long #define COMPILER_DEPENDENT_UINT64 unsigned long long @@ -117,11 +117,8 @@ static inline void acpi_disable_pci(void) /* Low-level suspend routine. */ extern int acpi_suspend_lowlevel(void); -extern const unsigned char acpi_wakeup_code[]; -#define acpi_wakeup_address (__pa(TRAMPOLINE_SYM(acpi_wakeup_code))) - -/* early initialization routine */ -extern void acpi_reserve_wakeup_memory(void); +/* Physical address to resume after wakeup */ +#define acpi_wakeup_address ((unsigned long)(real_mode_header->wakeup_start)) /* * Check if the CPU can handle C2 and deeper diff --git a/arch/x86/include/asm/bitops.h b/arch/x86/include/asm/bitops.h index b97596e2b68..a6983b27722 100644 --- a/arch/x86/include/asm/bitops.h +++ b/arch/x86/include/asm/bitops.h @@ -15,6 +15,8 @@ #include <linux/compiler.h> #include <asm/alternative.h> +#define BIT_64(n) (U64_C(1) << (n)) + /* * These have to be done with inline assembly: that way the bit-setting * is guaranteed to be atomic. All bit operations return 0 if the bit diff --git a/arch/x86/include/asm/ftrace.h b/arch/x86/include/asm/ftrace.h index 18d9005d9e4..b0767bc0874 100644 --- a/arch/x86/include/asm/ftrace.h +++ b/arch/x86/include/asm/ftrace.h @@ -34,7 +34,7 @@ #ifndef __ASSEMBLY__ extern void mcount(void); -extern int modifying_ftrace_code; +extern atomic_t modifying_ftrace_code; static inline unsigned long ftrace_call_adjust(unsigned long addr) { diff --git a/arch/x86/include/asm/nmi.h b/arch/x86/include/asm/nmi.h index 0e3793b821e..dc580c42851 100644 --- a/arch/x86/include/asm/nmi.h +++ b/arch/x86/include/asm/nmi.h @@ -54,6 +54,20 @@ struct nmiaction { __register_nmi_handler((t), &fn##_na); \ }) +/* + * For special handlers that register/unregister in the + * init section only. This should be considered rare. + */ +#define register_nmi_handler_initonly(t, fn, fg, n) \ +({ \ + static struct nmiaction fn##_na __initdata = { \ + .handler = (fn), \ + .name = (n), \ + .flags = (fg), \ + }; \ + __register_nmi_handler((t), &fn##_na); \ +}) + int __register_nmi_handler(unsigned int, struct nmiaction *); void unregister_nmi_handler(unsigned int, const char *); diff --git a/arch/x86/include/asm/pgtable-3level.h b/arch/x86/include/asm/pgtable-3level.h index effff47a3c8..43876f16caf 100644 --- a/arch/x86/include/asm/pgtable-3level.h +++ b/arch/x86/include/asm/pgtable-3level.h @@ -31,6 +31,56 @@ static inline void native_set_pte(pte_t *ptep, pte_t pte) ptep->pte_low = pte.pte_low; } +#define pmd_read_atomic pmd_read_atomic +/* + * pte_offset_map_lock on 32bit PAE kernels was reading the pmd_t with + * a "*pmdp" dereference done by gcc. Problem is, in certain places + * where pte_offset_map_lock is called, concurrent page faults are + * allowed, if the mmap_sem is hold for reading. An example is mincore + * vs page faults vs MADV_DONTNEED. On the page fault side + * pmd_populate rightfully does a set_64bit, but if we're reading the + * pmd_t with a "*pmdp" on the mincore side, a SMP race can happen + * because gcc will not read the 64bit of the pmd atomically. To fix + * this all places running pmd_offset_map_lock() while holding the + * mmap_sem in read mode, shall read the pmdp pointer using this + * function to know if the pmd is null nor not, and in turn to know if + * they can run pmd_offset_map_lock or pmd_trans_huge or other pmd + * operations. + * + * Without THP if the mmap_sem is hold for reading, the + * pmd can only transition from null to not null while pmd_read_atomic runs. + * So there's no need of literally reading it atomically. + * + * With THP if the mmap_sem is hold for reading, the pmd can become + * THP or null or point to a pte (and in turn become "stable") at any + * time under pmd_read_atomic, so it's mandatory to read it atomically + * with cmpxchg8b. + */ +#ifndef CONFIG_TRANSPARENT_HUGEPAGE +static inline pmd_t pmd_read_atomic(pmd_t *pmdp) +{ + pmdval_t ret; + u32 *tmp = (u32 *)pmdp; + + ret = (pmdval_t) (*tmp); + if (ret) { + /* + * If the low part is null, we must not read the high part + * or we can end up with a partial pmd. + */ + smp_rmb(); + ret |= ((pmdval_t)*(tmp + 1)) << 32; + } + + return (pmd_t) { ret }; +} +#else /* CONFIG_TRANSPARENT_HUGEPAGE */ +static inline pmd_t pmd_read_atomic(pmd_t *pmdp) +{ + return (pmd_t) { atomic64_read((atomic64_t *)pmdp) }; +} +#endif /* CONFIG_TRANSPARENT_HUGEPAGE */ + static inline void native_set_pte_atomic(pte_t *ptep, pte_t pte) { set_64bit((unsigned long long *)(ptep), native_pte_val(pte)); diff --git a/arch/x86/include/asm/posix_types_32.h b/arch/x86/include/asm/posix_types_32.h index 99f262e04b9..8e525059e7d 100644 --- a/arch/x86/include/asm/posix_types_32.h +++ b/arch/x86/include/asm/posix_types_32.h @@ -10,9 +10,6 @@ typedef unsigned short __kernel_mode_t; #define __kernel_mode_t __kernel_mode_t -typedef unsigned short __kernel_nlink_t; -#define __kernel_nlink_t __kernel_nlink_t - typedef unsigned short __kernel_ipc_pid_t; #define __kernel_ipc_pid_t __kernel_ipc_pid_t diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h index 7745b257f03..39bc5777211 100644 --- a/arch/x86/include/asm/processor.h +++ b/arch/x86/include/asm/processor.h @@ -544,13 +544,16 @@ static inline void load_sp0(struct tss_struct *tss, * enable), so that any CPU's that boot up * after us can get the correct flags. */ -extern unsigned long mmu_cr4_features; +extern unsigned long mmu_cr4_features; +extern u32 *trampoline_cr4_features; static inline void set_in_cr4(unsigned long mask) { unsigned long cr4; mmu_cr4_features |= mask; + if (trampoline_cr4_features) + *trampoline_cr4_features = mmu_cr4_features; cr4 = read_cr4(); cr4 |= mask; write_cr4(cr4); @@ -561,6 +564,8 @@ static inline void clear_in_cr4(unsigned long mask) unsigned long cr4; mmu_cr4_features &= ~mask; + if (trampoline_cr4_features) + *trampoline_cr4_features = mmu_cr4_features; cr4 = read_cr4(); cr4 &= ~mask; write_cr4(cr4); diff --git a/arch/x86/include/asm/realmode.h b/arch/x86/include/asm/realmode.h new file mode 100644 index 00000000000..fce3f4ae5bd --- /dev/null +++ b/arch/x86/include/asm/realmode.h @@ -0,0 +1,62 @@ +#ifndef _ARCH_X86_REALMODE_H +#define _ARCH_X86_REALMODE_H + +#include <linux/types.h> +#include <asm/io.h> + +/* This must match data at realmode.S */ +struct real_mode_header { + u32 text_start; + u32 ro_end; + /* SMP trampoline */ + u32 trampoline_start; + u32 trampoline_status; + u32 trampoline_header; +#ifdef CONFIG_X86_64 + u32 trampoline_pgd; +#endif + /* ACPI S3 wakeup */ +#ifdef CONFIG_ACPI_SLEEP + u32 wakeup_start; + u32 wakeup_header; +#endif + /* APM/BIOS reboot */ +#ifdef CONFIG_X86_32 + u32 machine_real_restart_asm; +#endif +}; + +/* This must match data at trampoline_32/64.S */ +struct trampoline_header { +#ifdef CONFIG_X86_32 + u32 start; + u16 gdt_pad; + u16 gdt_limit; + u32 gdt_base; +#else + u64 start; + u64 efer; + u32 cr4; +#endif +}; + +extern struct real_mode_header *real_mode_header; +extern unsigned char real_mode_blob_end[]; + +extern unsigned long init_rsp; +extern unsigned long initial_code; +extern unsigned long initial_gs; + +extern unsigned char real_mode_blob[]; +extern unsigned char real_mode_relocs[]; + +#ifdef CONFIG_X86_32 +extern unsigned char startup_32_smp[]; +extern unsigned char boot_gdt[]; +#else +extern unsigned char secondary_startup_64[]; +#endif + +extern void __init setup_real_mode(void); + +#endif /* _ARCH_X86_REALMODE_H */ diff --git a/arch/x86/include/asm/sighandling.h b/arch/x86/include/asm/sighandling.h index ada93b3b8c6..beff97f7df3 100644 --- a/arch/x86/include/asm/sighandling.h +++ b/arch/x86/include/asm/sighandling.h @@ -7,8 +7,6 @@ #include <asm/processor-flags.h> -#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) - #define __FIX_EFLAGS (X86_EFLAGS_AC | X86_EFLAGS_OF | \ X86_EFLAGS_DF | X86_EFLAGS_TF | X86_EFLAGS_SF | \ X86_EFLAGS_ZF | X86_EFLAGS_AF | X86_EFLAGS_PF | \ diff --git a/arch/x86/include/asm/sta2x11.h b/arch/x86/include/asm/sta2x11.h new file mode 100644 index 00000000000..e9d32df89cc --- /dev/null +++ b/arch/x86/include/asm/sta2x11.h @@ -0,0 +1,12 @@ +/* + * Header file for STMicroelectronics ConneXt (STA2X11) IOHub + */ +#ifndef __ASM_STA2X11_H +#define __ASM_STA2X11_H + +#include <linux/pci.h> + +/* This needs to be called from the MFD to configure its sub-devices */ +struct sta2x11_instance *sta2x11_get_instance(struct pci_dev *pdev); + +#endif /* __ASM_STA2X11_H */ diff --git a/arch/x86/include/asm/thread_info.h b/arch/x86/include/asm/thread_info.h index 5c25de07cba..89f794f007e 100644 --- a/arch/x86/include/asm/thread_info.h +++ b/arch/x86/include/asm/thread_info.h @@ -248,7 +248,23 @@ static inline void set_restore_sigmask(void) { struct thread_info *ti = current_thread_info(); ti->status |= TS_RESTORE_SIGMASK; - set_bit(TIF_SIGPENDING, (unsigned long *)&ti->flags); + WARN_ON(!test_bit(TIF_SIGPENDING, (unsigned long *)&ti->flags)); +} +static inline void clear_restore_sigmask(void) +{ + current_thread_info()->status &= ~TS_RESTORE_SIGMASK; +} +static inline bool test_restore_sigmask(void) +{ + return current_thread_info()->status & TS_RESTORE_SIGMASK; +} +static inline bool test_and_clear_restore_sigmask(void) +{ + struct thread_info *ti = current_thread_info(); + if (!(ti->status & TS_RESTORE_SIGMASK)) + return false; + ti->status &= ~TS_RESTORE_SIGMASK; + return true; } static inline bool is_ia32_task(void) diff --git a/arch/x86/include/asm/trampoline.h b/arch/x86/include/asm/trampoline.h deleted file mode 100644 index feca3118a73..00000000000 --- a/arch/x86/include/asm/trampoline.h +++ /dev/null @@ -1,39 +0,0 @@ -#ifndef _ASM_X86_TRAMPOLINE_H -#define _ASM_X86_TRAMPOLINE_H - -#ifndef __ASSEMBLY__ - -#include <linux/types.h> -#include <asm/io.h> - -/* - * Trampoline 80x86 program as an array. These are in the init rodata - * segment, but that's okay, because we only care about the relative - * addresses of the symbols. - */ -extern const unsigned char x86_trampoline_start []; -extern const unsigned char x86_trampoline_end []; -extern unsigned char *x86_trampoline_base; - -extern unsigned long init_rsp; -extern unsigned long initial_code; -extern unsigned long initial_gs; - -extern void __init setup_trampolines(void); - -extern const unsigned char trampoline_data[]; -extern const unsigned char trampoline_status[]; - -#define TRAMPOLINE_SYM(x) \ - ((void *)(x86_trampoline_base + \ - ((const unsigned char *)(x) - x86_trampoline_start))) - -/* Address of the SMP trampoline */ -static inline unsigned long trampoline_address(void) -{ - return virt_to_phys(TRAMPOLINE_SYM(trampoline_data)); -} - -#endif /* __ASSEMBLY__ */ - -#endif /* _ASM_X86_TRAMPOLINE_H */ diff --git a/arch/x86/include/asm/uaccess.h b/arch/x86/include/asm/uaccess.h index 04cd6882308..e1f3a17034f 100644 --- a/arch/x86/include/asm/uaccess.h +++ b/arch/x86/include/asm/uaccess.h @@ -33,9 +33,8 @@ #define segment_eq(a, b) ((a).seg == (b).seg) #define user_addr_max() (current_thread_info()->addr_limit.seg) -#define __addr_ok(addr) \ - ((unsigned long __force)(addr) < \ - (current_thread_info()->addr_limit.seg)) +#define __addr_ok(addr) \ + ((unsigned long __force)(addr) < user_addr_max()) /* * Test whether a block of memory is a valid user space address. @@ -47,14 +46,14 @@ * This needs 33-bit (65-bit for x86_64) arithmetic. We have a carry... */ -#define __range_not_ok(addr, size) \ +#define __range_not_ok(addr, size, limit) \ ({ \ unsigned long flag, roksum; \ __chk_user_ptr(addr); \ asm("add %3,%1 ; sbb %0,%0 ; cmp %1,%4 ; sbb $0,%0" \ : "=&r" (flag), "=r" (roksum) \ : "1" (addr), "g" ((long)(size)), \ - "rm" (current_thread_info()->addr_limit.seg)); \ + "rm" (limit)); \ flag; \ }) @@ -77,7 +76,8 @@ * checks that the pointer is in the user space range - after calling * this function, memory access functions may still return -EFAULT. */ -#define access_ok(type, addr, size) (likely(__range_not_ok(addr, size) == 0)) +#define access_ok(type, addr, size) \ + (likely(__range_not_ok(addr, size, user_addr_max()) == 0)) /* * The exception table consists of pairs of addresses relative to the diff --git a/arch/x86/include/asm/uv/uv_bau.h b/arch/x86/include/asm/uv/uv_bau.h index becf47b8173..6149b476d9d 100644 --- a/arch/x86/include/asm/uv/uv_bau.h +++ b/arch/x86/include/asm/uv/uv_bau.h @@ -149,7 +149,6 @@ /* 4 bits of software ack period */ #define UV2_ACK_MASK 0x7UL #define UV2_ACK_UNITS_SHFT 3 -#define UV2_LEG_SHFT UV2H_LB_BAU_MISC_CONTROL_USE_LEGACY_DESCRIPTOR_FORMATS_SHFT #define UV2_EXT_SHFT UV2H_LB_BAU_MISC_CONTROL_ENABLE_EXTENDED_SB_STATUS_SHFT /* diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile index 9bba5b79902..8215e5652d9 100644 --- a/arch/x86/kernel/Makefile +++ b/arch/x86/kernel/Makefile @@ -35,7 +35,6 @@ obj-y += tsc.o io_delay.o rtc.o obj-y += pci-iommu_table.o obj-y += resource.o -obj-y += trampoline.o trampoline_$(BITS).o obj-y += process.o obj-y += i387.o xsave.o obj-y += ptrace.o @@ -48,7 +47,6 @@ obj-$(CONFIG_STACKTRACE) += stacktrace.o obj-y += cpu/ obj-y += acpi/ obj-y += reboot.o -obj-$(CONFIG_X86_32) += reboot_32.o obj-$(CONFIG_X86_MSR) += msr.o obj-$(CONFIG_X86_CPUID) += cpuid.o obj-$(CONFIG_PCI) += early-quirks.o diff --git a/arch/x86/kernel/acpi/Makefile b/arch/x86/kernel/acpi/Makefile index 6f35260bb3e..163b2258147 100644 --- a/arch/x86/kernel/acpi/Makefile +++ b/arch/x86/kernel/acpi/Makefile @@ -1,14 +1,7 @@ -subdir- := realmode - obj-$(CONFIG_ACPI) += boot.o -obj-$(CONFIG_ACPI_SLEEP) += sleep.o wakeup_rm.o wakeup_$(BITS).o +obj-$(CONFIG_ACPI_SLEEP) += sleep.o wakeup_$(BITS).o ifneq ($(CONFIG_ACPI_PROCESSOR),) obj-y += cstate.o endif -$(obj)/wakeup_rm.o: $(obj)/realmode/wakeup.bin - -$(obj)/realmode/wakeup.bin: FORCE - $(Q)$(MAKE) $(build)=$(obj)/realmode - diff --git a/arch/x86/kernel/acpi/realmode/.gitignore b/arch/x86/kernel/acpi/realmode/.gitignore deleted file mode 100644 index 58f1f48a58f..00000000000 --- a/arch/x86/kernel/acpi/realmode/.gitignore +++ /dev/null @@ -1,3 +0,0 @@ -wakeup.bin -wakeup.elf -wakeup.lds diff --git a/arch/x86/kernel/acpi/realmode/Makefile b/arch/x86/kernel/acpi/realmode/Makefile deleted file mode 100644 index 6a564ac67ef..00000000000 --- a/arch/x86/kernel/acpi/realmode/Makefile +++ /dev/null @@ -1,59 +0,0 @@ -# -# arch/x86/kernel/acpi/realmode/Makefile -# -# This file is subject to the terms and conditions of the GNU General Public -# License. See the file "COPYING" in the main directory of this archive -# for more details. -# - -always := wakeup.bin -targets := wakeup.elf wakeup.lds - -wakeup-y += wakeup.o wakemain.o video-mode.o copy.o bioscall.o regs.o - -# The link order of the video-*.o modules can matter. In particular, -# video-vga.o *must* be listed first, followed by video-vesa.o. -# Hardware-specific drivers should follow in the order they should be -# probed, and video-bios.o should typically be last. -wakeup-y += video-vga.o -wakeup-y += video-vesa.o -wakeup-y += video-bios.o - -targets += $(wakeup-y) - -bootsrc := $(src)/../../../boot - -# --------------------------------------------------------------------------- - -# How to compile the 16-bit code. Note we always compile for -march=i386, -# that way we can complain to the user if the CPU is insufficient. -# Compile with _SETUP since this is similar to the boot-time setup code. -KBUILD_CFLAGS := $(LINUXINCLUDE) -g -Os -D_SETUP -D_WAKEUP -D__KERNEL__ \ - -I$(srctree)/$(bootsrc) \ - $(cflags-y) \ - -Wall -Wstrict-prototypes \ - -march=i386 -mregparm=3 \ - -include $(srctree)/$(bootsrc)/code16gcc.h \ - -fno-strict-aliasing -fomit-frame-pointer \ - $(call cc-option, -ffreestanding) \ - $(call cc-option, -fno-toplevel-reorder,\ - $(call cc-option, -fno-unit-at-a-time)) \ - $(call cc-option, -fno-stack-protector) \ - $(call cc-option, -mpreferred-stack-boundary=2) -KBUILD_CFLAGS += $(call cc-option, -m32) -KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__ -GCOV_PROFILE := n - -WAKEUP_OBJS = $(addprefix $(obj)/,$(wakeup-y)) - -LDFLAGS_wakeup.elf := -T - -CPPFLAGS_wakeup.lds += -P -C - -$(obj)/wakeup.elf: $(obj)/wakeup.lds $(WAKEUP_OBJS) FORCE - $(call if_changed,ld) - -OBJCOPYFLAGS_wakeup.bin := -O binary - -$(obj)/wakeup.bin: $(obj)/wakeup.elf FORCE - $(call if_changed,objcopy) diff --git a/arch/x86/kernel/acpi/realmode/bioscall.S b/arch/x86/kernel/acpi/realmode/bioscall.S deleted file mode 100644 index f51eb0bb56c..00000000000 --- a/arch/x86/kernel/acpi/realmode/bioscall.S +++ /dev/null @@ -1 +0,0 @@ -#include "../../../boot/bioscall.S" diff --git a/arch/x86/kernel/acpi/realmode/copy.S b/arch/x86/kernel/acpi/realmode/copy.S deleted file mode 100644 index dc59ebee69d..00000000000 --- a/arch/x86/kernel/acpi/realmode/copy.S +++ /dev/null @@ -1 +0,0 @@ -#include "../../../boot/copy.S" diff --git a/arch/x86/kernel/acpi/realmode/regs.c b/arch/x86/kernel/acpi/realmode/regs.c deleted file mode 100644 index 6206033ba20..00000000000 --- a/arch/x86/kernel/acpi/realmode/regs.c +++ /dev/null @@ -1 +0,0 @@ -#include "../../../boot/regs.c" diff --git a/arch/x86/kernel/acpi/realmode/video-bios.c b/arch/x86/kernel/acpi/realmode/video-bios.c deleted file mode 100644 index 7deabc144a2..00000000000 --- a/arch/x86/kernel/acpi/realmode/video-bios.c +++ /dev/null @@ -1 +0,0 @@ -#include "../../../boot/video-bios.c" diff --git a/arch/x86/kernel/acpi/realmode/video-mode.c b/arch/x86/kernel/acpi/realmode/video-mode.c deleted file mode 100644 index 328ad209f11..00000000000 --- a/arch/x86/kernel/acpi/realmode/video-mode.c +++ /dev/null @@ -1 +0,0 @@ -#include "../../../boot/video-mode.c" diff --git a/arch/x86/kernel/acpi/realmode/video-vesa.c b/arch/x86/kernel/acpi/realmode/video-vesa.c deleted file mode 100644 index 9dbb9672226..00000000000 --- a/arch/x86/kernel/acpi/realmode/video-vesa.c +++ /dev/null @@ -1 +0,0 @@ -#include "../../../boot/video-vesa.c" diff --git a/arch/x86/kernel/acpi/realmode/video-vga.c b/arch/x86/kernel/acpi/realmode/video-vga.c deleted file mode 100644 index bcc81255f37..00000000000 --- a/arch/x86/kernel/acpi/realmode/video-vga.c +++ /dev/null @@ -1 +0,0 @@ -#include "../../../boot/video-vga.c" diff --git a/arch/x86/kernel/acpi/realmode/wakeup.lds.S b/arch/x86/kernel/acpi/realmode/wakeup.lds.S deleted file mode 100644 index d4f8010a5b1..00000000000 --- a/arch/x86/kernel/acpi/realmode/wakeup.lds.S +++ /dev/null @@ -1,62 +0,0 @@ -/* - * wakeup.ld - * - * Linker script for the real-mode wakeup code - */ -#undef i386 -#include "wakeup.h" - -OUTPUT_FORMAT("elf32-i386", "elf32-i386", "elf32-i386") -OUTPUT_ARCH(i386) -ENTRY(_start) - -SECTIONS -{ - . = 0; - .jump : { - *(.jump) - } = 0x90909090 - - . = WAKEUP_HEADER_OFFSET; - .header : { - *(.header) - } - - . = ALIGN(16); - .text : { - *(.text*) - } = 0x90909090 - - . = ALIGN(16); - .rodata : { - *(.rodata*) - } - - .videocards : { - video_cards = .; - *(.videocards) - video_cards_end = .; - } - - . = ALIGN(16); - .data : { - *(.data*) - } - - . = ALIGN(16); - .bss : { - __bss_start = .; - *(.bss) - __bss_end = .; - } - - .signature : { - *(.signature) - } - - _end = .; - - /DISCARD/ : { - *(.note*) - } -} diff --git a/arch/x86/kernel/acpi/sleep.c b/arch/x86/kernel/acpi/sleep.c index 146a49c763a..95bf99de905 100644 --- a/arch/x86/kernel/acpi/sleep.c +++ b/arch/x86/kernel/acpi/sleep.c @@ -14,8 +14,9 @@ #include <asm/desc.h> #include <asm/pgtable.h> #include <asm/cacheflush.h> +#include <asm/realmode.h> -#include "realmode/wakeup.h" +#include "../../realmode/rm/wakeup.h" #include "sleep.h" unsigned long acpi_realmode_flags; @@ -36,13 +37,9 @@ asmlinkage void acpi_enter_s3(void) */ int acpi_suspend_lowlevel(void) { - struct wakeup_header *header; - /* address in low memory of the wakeup routine. */ - char *acpi_realmode; + struct wakeup_header *header = + (struct wakeup_header *) __va(real_mode_header->wakeup_header); - acpi_realmode = TRAMPOLINE_SYM(acpi_wakeup_code); - - header = (struct wakeup_header *)(acpi_realmode + WAKEUP_HEADER_OFFSET); if (header->signature != WAKEUP_HEADER_SIGNATURE) { printk(KERN_ERR "wakeup header does not match\n"); return -EINVAL; @@ -50,27 +47,6 @@ int acpi_suspend_lowlevel(void) header->video_mode = saved_video_mode; - header->wakeup_jmp_seg = acpi_wakeup_address >> 4; - - /* - * Set up the wakeup GDT. We set these up as Big Real Mode, - * that is, with limits set to 4 GB. At least the Lenovo - * Thinkpad X61 is known to need this for the video BIOS - * initialization quirk to work; this is likely to also - * be the case for other laptops or integrated video devices. - */ - - /* GDT[0]: GDT self-pointer */ - header->wakeup_gdt[0] = - (u64)(sizeof(header->wakeup_gdt) - 1) + - ((u64)__pa(&header->wakeup_gdt) << 16); - /* GDT[1]: big real mode-like code segment */ - header->wakeup_gdt[1] = - GDT_ENTRY(0x809b, acpi_wakeup_address, 0xfffff); - /* GDT[2]: big real mode-like data segment */ - header->wakeup_gdt[2] = - GDT_ENTRY(0x8093, acpi_wakeup_address, 0xfffff); - #ifndef CONFIG_64BIT store_gdt((struct desc_ptr *)&header->pmode_gdt); @@ -95,7 +71,6 @@ int acpi_suspend_lowlevel(void) header->pmode_cr3 = (u32)__pa(&initial_page_table); saved_magic = 0x12345678; #else /* CONFIG_64BIT */ - header->trampoline_segment = trampoline_address() >> 4; #ifdef CONFIG_SMP stack_start = (unsigned long)temp_stack + sizeof(temp_stack); early_gdt_descr.address = diff --git a/arch/x86/kernel/acpi/sleep.h b/arch/x86/kernel/acpi/sleep.h index d68677a2a01..5653a5791ec 100644 --- a/arch/x86/kernel/acpi/sleep.h +++ b/arch/x86/kernel/acpi/sleep.h @@ -2,8 +2,8 @@ * Variables and functions used by the code in sleep.c */ -#include <asm/trampoline.h> #include <linux/linkage.h> +#include <asm/realmode.h> extern unsigned long saved_video_mode; extern long saved_magic; diff --git a/arch/x86/kernel/acpi/wakeup_rm.S b/arch/x86/kernel/acpi/wakeup_rm.S deleted file mode 100644 index 63b8ab524f2..00000000000 --- a/arch/x86/kernel/acpi/wakeup_rm.S +++ /dev/null @@ -1,12 +0,0 @@ -/* - * Wrapper script for the realmode binary as a transport object - * before copying to low memory. - */ -#include <asm/page_types.h> - - .section ".x86_trampoline","a" - .balign PAGE_SIZE - .globl acpi_wakeup_code -acpi_wakeup_code: - .incbin "arch/x86/kernel/acpi/realmode/wakeup.bin" - .size acpi_wakeup_code, .-acpi_wakeup_code diff --git a/arch/x86/kernel/aperture_64.c b/arch/x86/kernel/aperture_64.c index 6e76c191a83..d5fd66f0d4c 100644 --- a/arch/x86/kernel/aperture_64.c +++ b/arch/x86/kernel/aperture_64.c @@ -20,7 +20,6 @@ #include <linux/bitops.h> #include <linux/ioport.h> #include <linux/suspend.h> -#include <linux/kmemleak.h> #include <asm/e820.h> #include <asm/io.h> #include <asm/iommu.h> @@ -95,11 +94,6 @@ static u32 __init allocate_aperture(void) return 0; } memblock_reserve(addr, aper_size); - /* - * Kmemleak should not scan this block as it may not be mapped via the - * kernel direct mapping. - */ - kmemleak_ignore(phys_to_virt(addr)); printk(KERN_INFO "Mapping aperture over %d KB of RAM @ %lx\n", aper_size >> 10, addr); insert_aperture_resource((u32)addr, aper_size); diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c index ac96561d1a9..5f0ff597437 100644 --- a/arch/x86/kernel/apic/io_apic.c +++ b/arch/x86/kernel/apic/io_apic.c @@ -1195,7 +1195,7 @@ static void __clear_irq_vector(int irq, struct irq_cfg *cfg) BUG_ON(!cfg->vector); vector = cfg->vector; - for_each_cpu_and(cpu, cfg->domain, cpu_online_mask) + for_each_cpu(cpu, cfg->domain) per_cpu(vector_irq, cpu)[vector] = -1; cfg->vector = 0; @@ -1203,7 +1203,7 @@ static void __clear_irq_vector(int irq, struct irq_cfg *cfg) if (likely(!cfg->move_in_progress)) return; - for_each_cpu_and(cpu, cfg->old_domain, cpu_online_mask) { + for_each_cpu(cpu, cfg->old_domain) { for (vector = FIRST_EXTERNAL_VECTOR; vector < NR_VECTORS; vector++) { if (per_cpu(vector_irq, cpu)[vector] != irq) diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c index 82f29e70d05..6b9333b429b 100644 --- a/arch/x86/kernel/cpu/common.c +++ b/arch/x86/kernel/cpu/common.c @@ -1101,14 +1101,20 @@ int is_debug_stack(unsigned long addr) addr > (__get_cpu_var(debug_stack_addr) - DEBUG_STKSZ)); } +static DEFINE_PER_CPU(u32, debug_stack_use_ctr); + void debug_stack_set_zero(void) { + this_cpu_inc(debug_stack_use_ctr); load_idt((const struct desc_ptr *)&nmi_idt_descr); } void debug_stack_reset(void) { - load_idt((const struct desc_ptr *)&idt_descr); + if (WARN_ON(!this_cpu_read(debug_stack_use_ctr))) + return; + if (this_cpu_dec_return(debug_stack_use_ctr) == 0) + load_idt((const struct desc_ptr *)&idt_descr); } #else /* CONFIG_X86_64 */ diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c index b772dd6ad45..da27c5d2168 100644 --- a/arch/x86/kernel/cpu/mcheck/mce.c +++ b/arch/x86/kernel/cpu/mcheck/mce.c @@ -1251,15 +1251,15 @@ void mce_log_therm_throt_event(__u64 status) * poller finds an MCE, poll 2x faster. When the poller finds no more * errors, poll 2x slower (up to check_interval seconds). */ -static int check_interval = 5 * 60; /* 5 minutes */ +static unsigned long check_interval = 5 * 60; /* 5 minutes */ -static DEFINE_PER_CPU(int, mce_next_interval); /* in jiffies */ +static DEFINE_PER_CPU(unsigned long, mce_next_interval); /* in jiffies */ static DEFINE_PER_CPU(struct timer_list, mce_timer); -static void mce_start_timer(unsigned long data) +static void mce_timer_fn(unsigned long data) { - struct timer_list *t = &per_cpu(mce_timer, data); - int *n; + struct timer_list *t = &__get_cpu_var(mce_timer); + unsigned long iv; WARN_ON(smp_processor_id() != data); @@ -1272,13 +1272,14 @@ static void mce_start_timer(unsigned long data) * Alert userspace if needed. If we logged an MCE, reduce the * polling interval, otherwise increase the polling interval. */ - n = &__get_cpu_var(mce_next_interval); + iv = __this_cpu_read(mce_next_interval); if (mce_notify_irq()) - *n = max(*n/2, HZ/100); + iv = max(iv / 2, (unsigned long) HZ/100); else - *n = min(*n*2, (int)round_jiffies_relative(check_interval*HZ)); + iv = min(iv * 2, round_jiffies_relative(check_interval * HZ)); + __this_cpu_write(mce_next_interval, iv); - t->expires = jiffies + *n; + t->expires = jiffies + iv; add_timer_on(t, smp_processor_id()); } @@ -1472,9 +1473,9 @@ static int __cpuinit __mcheck_cpu_apply_quirks(struct cpuinfo_x86 *c) rdmsrl(msrs[i], val); /* CntP bit set? */ - if (val & BIT(62)) { - val &= ~BIT(62); - wrmsrl(msrs[i], val); + if (val & BIT_64(62)) { + val &= ~BIT_64(62); + wrmsrl(msrs[i], val); } } @@ -1556,17 +1557,17 @@ static void __mcheck_cpu_init_vendor(struct cpuinfo_x86 *c) static void __mcheck_cpu_init_timer(void) { struct timer_list *t = &__get_cpu_var(mce_timer); - int *n = &__get_cpu_var(mce_next_interval); + unsigned long iv = check_interval * HZ; - setup_timer(t, mce_start_timer, smp_processor_id()); + setup_timer(t, mce_timer_fn, smp_processor_id()); if (mce_ignore_ce) return; - *n = check_interval * HZ; - if (!*n) + __this_cpu_write(mce_next_interval, iv); + if (!iv) return; - t->expires = round_jiffies(jiffies + *n); + t->expires = round_jiffies(jiffies + iv); add_timer_on(t, smp_processor_id()); } @@ -2276,7 +2277,7 @@ mce_cpu_callback(struct notifier_block *nfb, unsigned long action, void *hcpu) case CPU_DOWN_FAILED_FROZEN: if (!mce_ignore_ce && check_interval) { t->expires = round_jiffies(jiffies + - __get_cpu_var(mce_next_interval)); + per_cpu(mce_next_interval, cpu)); add_timer_on(t, cpu); } smp_call_function_single(cpu, mce_reenable_cpu, &action, 1); diff --git a/arch/x86/kernel/cpu/mtrr/cleanup.c b/arch/x86/kernel/cpu/mtrr/cleanup.c index ac140c7be39..bdda2e6c673 100644 --- a/arch/x86/kernel/cpu/mtrr/cleanup.c +++ b/arch/x86/kernel/cpu/mtrr/cleanup.c @@ -266,7 +266,7 @@ range_to_mtrr(unsigned int reg, unsigned long range_startk, if (align > max_align) align = max_align; - sizek = 1 << align; + sizek = 1UL << align; if (debug_print) { char start_factor = 'K', size_factor = 'K'; unsigned long start_base, size_base; diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c index e049d6da018..c4706cf9c01 100644 --- a/arch/x86/kernel/cpu/perf_event.c +++ b/arch/x86/kernel/cpu/perf_event.c @@ -1496,6 +1496,7 @@ static struct cpu_hw_events *allocate_fake_cpuc(void) if (!cpuc->shared_regs) goto error; } + cpuc->is_fake = 1; return cpuc; error: free_fake_cpuc(cpuc); @@ -1756,6 +1757,12 @@ perf_callchain_kernel(struct perf_callchain_entry *entry, struct pt_regs *regs) dump_trace(NULL, regs, NULL, 0, &backtrace_ops, entry); } +static inline int +valid_user_frame(const void __user *fp, unsigned long size) +{ + return (__range_not_ok(fp, size, TASK_SIZE) == 0); +} + #ifdef CONFIG_COMPAT #include <asm/compat.h> @@ -1780,7 +1787,7 @@ perf_callchain_user32(struct pt_regs *regs, struct perf_callchain_entry *entry) if (bytes != sizeof(frame)) break; - if (fp < compat_ptr(regs->sp)) + if (!valid_user_frame(fp, sizeof(frame))) break; perf_callchain_store(entry, frame.return_address); @@ -1826,7 +1833,7 @@ perf_callchain_user(struct perf_callchain_entry *entry, struct pt_regs *regs) if (bytes != sizeof(frame)) break; - if ((unsigned long)fp < regs->sp) + if (!valid_user_frame(fp, sizeof(frame))) break; perf_callchain_store(entry, frame.return_address); diff --git a/arch/x86/kernel/cpu/perf_event.h b/arch/x86/kernel/cpu/perf_event.h index 6638aaf5449..7241e2fc3c1 100644 --- a/arch/x86/kernel/cpu/perf_event.h +++ b/arch/x86/kernel/cpu/perf_event.h @@ -117,6 +117,7 @@ struct cpu_hw_events { struct perf_event *event_list[X86_PMC_IDX_MAX]; /* in enabled order */ unsigned int group_flag; + int is_fake; /* * Intel DebugStore bits @@ -364,6 +365,7 @@ struct x86_pmu { int pebs_record_size; void (*drain_pebs)(struct pt_regs *regs); struct event_constraint *pebs_constraints; + void (*pebs_aliases)(struct perf_event *event); /* * Intel LBR diff --git a/arch/x86/kernel/cpu/perf_event_intel.c b/arch/x86/kernel/cpu/perf_event_intel.c index 166546ec6ae..187c294bc65 100644 --- a/arch/x86/kernel/cpu/perf_event_intel.c +++ b/arch/x86/kernel/cpu/perf_event_intel.c @@ -1119,27 +1119,33 @@ intel_bts_constraints(struct perf_event *event) return NULL; } -static bool intel_try_alt_er(struct perf_event *event, int orig_idx) +static int intel_alt_er(int idx) { if (!(x86_pmu.er_flags & ERF_HAS_RSP_1)) - return false; + return idx; - if (event->hw.extra_reg.idx == EXTRA_REG_RSP_0) { - event->hw.config &= ~INTEL_ARCH_EVENT_MASK; - event->hw.config |= 0x01bb; - event->hw.extra_reg.idx = EXTRA_REG_RSP_1; - event->hw.extra_reg.reg = MSR_OFFCORE_RSP_1; - } else if (event->hw.extra_reg.idx == EXTRA_REG_RSP_1) { + if (idx == EXTRA_REG_RSP_0) + return EXTRA_REG_RSP_1; + + if (idx == EXTRA_REG_RSP_1) + return EXTRA_REG_RSP_0; + + return idx; +} + +static void intel_fixup_er(struct perf_event *event, int idx) +{ + event->hw.extra_reg.idx = idx; + + if (idx == EXTRA_REG_RSP_0) { event->hw.config &= ~INTEL_ARCH_EVENT_MASK; event->hw.config |= 0x01b7; - event->hw.extra_reg.idx = EXTRA_REG_RSP_0; event->hw.extra_reg.reg = MSR_OFFCORE_RSP_0; + } else if (idx == EXTRA_REG_RSP_1) { + event->hw.config &= ~INTEL_ARCH_EVENT_MASK; + event->hw.config |= 0x01bb; + event->hw.extra_reg.reg = MSR_OFFCORE_RSP_1; } - - if (event->hw.extra_reg.idx == orig_idx) - return false; - - return true; } /* @@ -1157,14 +1163,18 @@ __intel_shared_reg_get_constraints(struct cpu_hw_events *cpuc, struct event_constraint *c = &emptyconstraint; struct er_account *era; unsigned long flags; - int orig_idx = reg->idx; + int idx = reg->idx; - /* already allocated shared msr */ - if (reg->alloc) + /* + * reg->alloc can be set due to existing state, so for fake cpuc we + * need to ignore this, otherwise we might fail to allocate proper fake + * state for this extra reg constraint. Also see the comment below. + */ + if (reg->alloc && !cpuc->is_fake) return NULL; /* call x86_get_event_constraint() */ again: - era = &cpuc->shared_regs->regs[reg->idx]; + era = &cpuc->shared_regs->regs[idx]; /* * we use spin_lock_irqsave() to avoid lockdep issues when * passing a fake cpuc @@ -1173,6 +1183,29 @@ again: if (!atomic_read(&era->ref) || era->config == reg->config) { + /* + * If its a fake cpuc -- as per validate_{group,event}() we + * shouldn't touch event state and we can avoid doing so + * since both will only call get_event_constraints() once + * on each event, this avoids the need for reg->alloc. + * + * Not doing the ER fixup will only result in era->reg being + * wrong, but since we won't actually try and program hardware + * this isn't a problem either. + */ + if (!cpuc->is_fake) { + if (idx != reg->idx) + intel_fixup_er(event, idx); + + /* + * x86_schedule_events() can call get_event_constraints() + * multiple times on events in the case of incremental + * scheduling(). reg->alloc ensures we only do the ER + * allocation once. + */ + reg->alloc = 1; + } + /* lock in msr value */ era->config = reg->config; era->reg = reg->reg; @@ -1180,17 +1213,17 @@ again: /* one more user */ atomic_inc(&era->ref); - /* no need to reallocate during incremental event scheduling */ - reg->alloc = 1; - /* * need to call x86_get_event_constraint() * to check if associated event has constraints */ c = NULL; - } else if (intel_try_alt_er(event, orig_idx)) { - raw_spin_unlock_irqrestore(&era->lock, flags); - goto again; + } else { + idx = intel_alt_er(idx); + if (idx != reg->idx) { + raw_spin_unlock_irqrestore(&era->lock, flags); + goto again; + } } raw_spin_unlock_irqrestore(&era->lock, flags); @@ -1204,11 +1237,14 @@ __intel_shared_reg_put_constraints(struct cpu_hw_events *cpuc, struct er_account *era; /* - * only put constraint if extra reg was actually - * allocated. Also takes care of event which do - * not use an extra shared reg + * Only put constraint if extra reg was actually allocated. Also takes + * care of event which do not use an extra shared reg. + * + * Also, if this is a fake cpuc we shouldn't touch any event state + * (reg->alloc) and we don't care about leaving inconsistent cpuc state + * either since it'll be thrown out. */ - if (!reg->alloc) + if (!reg->alloc || cpuc->is_fake) return; era = &cpuc->shared_regs->regs[reg->idx]; @@ -1300,15 +1336,9 @@ static void intel_put_event_constraints(struct cpu_hw_events *cpuc, intel_put_shared_regs_event_constraints(cpuc, event); } -static int intel_pmu_hw_config(struct perf_event *event) +static void intel_pebs_aliases_core2(struct perf_event *event) { - int ret = x86_pmu_hw_config(event); - - if (ret) - return ret; - - if (event->attr.precise_ip && - (event->hw.config & X86_RAW_EVENT_MASK) == 0x003c) { + if ((event->hw.config & X86_RAW_EVENT_MASK) == 0x003c) { /* * Use an alternative encoding for CPU_CLK_UNHALTED.THREAD_P * (0x003c) so that we can use it with PEBS. @@ -1329,10 +1359,48 @@ static int intel_pmu_hw_config(struct perf_event *event) */ u64 alt_config = X86_CONFIG(.event=0xc0, .inv=1, .cmask=16); + alt_config |= (event->hw.config & ~X86_RAW_EVENT_MASK); + event->hw.config = alt_config; + } +} + +static void intel_pebs_aliases_snb(struct perf_event *event) +{ + if ((event->hw.config & X86_RAW_EVENT_MASK) == 0x003c) { + /* + * Use an alternative encoding for CPU_CLK_UNHALTED.THREAD_P + * (0x003c) so that we can use it with PEBS. + * + * The regular CPU_CLK_UNHALTED.THREAD_P event (0x003c) isn't + * PEBS capable. However we can use UOPS_RETIRED.ALL + * (0x01c2), which is a PEBS capable event, to get the same + * count. + * + * UOPS_RETIRED.ALL counts the number of cycles that retires + * CNTMASK micro-ops. By setting CNTMASK to a value (16) + * larger than the maximum number of micro-ops that can be + * retired per cycle (4) and then inverting the condition, we + * count all cycles that retire 16 or less micro-ops, which + * is every cycle. + * + * Thereby we gain a PEBS capable cycle counter. + */ + u64 alt_config = X86_CONFIG(.event=0xc2, .umask=0x01, .inv=1, .cmask=16); alt_config |= (event->hw.config & ~X86_RAW_EVENT_MASK); event->hw.config = alt_config; } +} + +static int intel_pmu_hw_config(struct perf_event *event) +{ + int ret = x86_pmu_hw_config(event); + + if (ret) + return ret; + + if (event->attr.precise_ip && x86_pmu.pebs_aliases) + x86_pmu.pebs_aliases(event); if (intel_pmu_needs_lbr_smpl(event)) { ret = intel_pmu_setup_lbr_filter(event); @@ -1607,6 +1675,7 @@ static __initconst const struct x86_pmu intel_pmu = { .max_period = (1ULL << 31) - 1, .get_event_constraints = intel_get_event_constraints, .put_event_constraints = intel_put_event_constraints, + .pebs_aliases = intel_pebs_aliases_core2, .format_attrs = intel_arch3_formats_attr, @@ -1840,8 +1909,9 @@ __init int intel_pmu_init(void) break; case 42: /* SandyBridge */ - x86_add_quirk(intel_sandybridge_quirk); case 45: /* SandyBridge, "Romely-EP" */ + x86_add_quirk(intel_sandybridge_quirk); + case 58: /* IvyBridge */ memcpy(hw_cache_event_ids, snb_hw_cache_event_ids, sizeof(hw_cache_event_ids)); @@ -1849,6 +1919,7 @@ __init int intel_pmu_init(void) x86_pmu.event_constraints = intel_snb_event_constraints; x86_pmu.pebs_constraints = intel_snb_pebs_event_constraints; + x86_pmu.pebs_aliases = intel_pebs_aliases_snb; x86_pmu.extra_regs = intel_snb_extra_regs; /* all extra regs are per-cpu when HT is on */ x86_pmu.er_flags |= ERF_HAS_RSP_1; diff --git a/arch/x86/kernel/cpu/perf_event_intel_ds.c b/arch/x86/kernel/cpu/perf_event_intel_ds.c index 5a3edc27f6e..35e2192df9f 100644 --- a/arch/x86/kernel/cpu/perf_event_intel_ds.c +++ b/arch/x86/kernel/cpu/perf_event_intel_ds.c @@ -400,14 +400,7 @@ struct event_constraint intel_snb_pebs_event_constraints[] = { INTEL_EVENT_CONSTRAINT(0xc4, 0xf), /* BR_INST_RETIRED.* */ INTEL_EVENT_CONSTRAINT(0xc5, 0xf), /* BR_MISP_RETIRED.* */ INTEL_EVENT_CONSTRAINT(0xcd, 0x8), /* MEM_TRANS_RETIRED.* */ - INTEL_UEVENT_CONSTRAINT(0x11d0, 0xf), /* MEM_UOP_RETIRED.STLB_MISS_LOADS */ - INTEL_UEVENT_CONSTRAINT(0x12d0, 0xf), /* MEM_UOP_RETIRED.STLB_MISS_STORES */ - INTEL_UEVENT_CONSTRAINT(0x21d0, 0xf), /* MEM_UOP_RETIRED.LOCK_LOADS */ - INTEL_UEVENT_CONSTRAINT(0x22d0, 0xf), /* MEM_UOP_RETIRED.LOCK_STORES */ - INTEL_UEVENT_CONSTRAINT(0x41d0, 0xf), /* MEM_UOP_RETIRED.SPLIT_LOADS */ - INTEL_UEVENT_CONSTRAINT(0x42d0, 0xf), /* MEM_UOP_RETIRED.SPLIT_STORES */ - INTEL_UEVENT_CONSTRAINT(0x81d0, 0xf), /* MEM_UOP_RETIRED.ANY_LOADS */ - INTEL_UEVENT_CONSTRAINT(0x82d0, 0xf), /* MEM_UOP_RETIRED.ANY_STORES */ + INTEL_EVENT_CONSTRAINT(0xd0, 0xf), /* MEM_UOP_RETIRED.* */ INTEL_EVENT_CONSTRAINT(0xd1, 0xf), /* MEM_LOAD_UOPS_RETIRED.* */ INTEL_EVENT_CONSTRAINT(0xd2, 0xf), /* MEM_LOAD_UOPS_LLC_HIT_RETIRED.* */ INTEL_UEVENT_CONSTRAINT(0x02d4, 0xf), /* MEM_LOAD_UOPS_MISC_RETIRED.LLC_MISS */ diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c index 62d61e9976e..41857970517 100644 --- a/arch/x86/kernel/e820.c +++ b/arch/x86/kernel/e820.c @@ -113,7 +113,9 @@ static void __init __e820_add_region(struct e820map *e820x, u64 start, u64 size, int x = e820x->nr_map; if (x >= ARRAY_SIZE(e820x->map)) { - printk(KERN_ERR "Ooops! Too many entries in the memory map!\n"); + printk(KERN_ERR "e820: too many entries; ignoring [mem %#010llx-%#010llx]\n", + (unsigned long long) start, + (unsigned long long) (start + size - 1)); return; } @@ -133,19 +135,19 @@ static void __init e820_print_type(u32 type) switch (type) { case E820_RAM: case E820_RESERVED_KERN: - printk(KERN_CONT "(usable)"); + printk(KERN_CONT "usable"); break; case E820_RESERVED: - printk(KERN_CONT "(reserved)"); + printk(KERN_CONT "reserved"); break; case E820_ACPI: - printk(KERN_CONT "(ACPI data)"); + printk(KERN_CONT "ACPI data"); break; case E820_NVS: - printk(KERN_CONT "(ACPI NVS)"); + printk(KERN_CONT "ACPI NVS"); break; case E820_UNUSABLE: - printk(KERN_CONT "(unusable)"); + printk(KERN_CONT "unusable"); break; default: printk(KERN_CONT "type %u", type); @@ -158,10 +160,10 @@ void __init e820_print_map(char *who) int i; for (i = 0; i < e820.nr_map; i++) { - printk(KERN_INFO " %s: %016Lx - %016Lx ", who, + printk(KERN_INFO "%s: [mem %#018Lx-%#018Lx] ", who, (unsigned long long) e820.map[i].addr, (unsigned long long) - (e820.map[i].addr + e820.map[i].size)); + (e820.map[i].addr + e820.map[i].size - 1)); e820_print_type(e820.map[i].type); printk(KERN_CONT "\n"); } @@ -428,9 +430,8 @@ static u64 __init __e820_update_range(struct e820map *e820x, u64 start, size = ULLONG_MAX - start; end = start + size; - printk(KERN_DEBUG "e820 update range: %016Lx - %016Lx ", - (unsigned long long) start, - (unsigned long long) end); + printk(KERN_DEBUG "e820: update [mem %#010Lx-%#010Lx] ", + (unsigned long long) start, (unsigned long long) (end - 1)); e820_print_type(old_type); printk(KERN_CONT " ==> "); e820_print_type(new_type); @@ -509,9 +510,8 @@ u64 __init e820_remove_range(u64 start, u64 size, unsigned old_type, size = ULLONG_MAX - start; end = start + size; - printk(KERN_DEBUG "e820 remove range: %016Lx - %016Lx ", - (unsigned long long) start, - (unsigned long long) end); + printk(KERN_DEBUG "e820: remove [mem %#010Lx-%#010Lx] ", + (unsigned long long) start, (unsigned long long) (end - 1)); if (checktype) e820_print_type(old_type); printk(KERN_CONT "\n"); @@ -567,7 +567,7 @@ void __init update_e820(void) if (sanitize_e820_map(e820.map, ARRAY_SIZE(e820.map), &nr_map)) return; e820.nr_map = nr_map; - printk(KERN_INFO "modified physical RAM map:\n"); + printk(KERN_INFO "e820: modified physical RAM map:\n"); e820_print_map("modified"); } static void __init update_e820_saved(void) @@ -637,8 +637,8 @@ __init void e820_setup_gap(void) if (!found) { gapstart = (max_pfn << PAGE_SHIFT) + 1024*1024; printk(KERN_ERR - "PCI: Warning: Cannot find a gap in the 32bit address range\n" - "PCI: Unassigned devices with 32bit resource registers may break!\n"); + "e820: cannot find a gap in the 32bit address range\n" + "e820: PCI devices with unassigned 32bit BARs may break!\n"); } #endif @@ -648,8 +648,8 @@ __init void e820_setup_gap(void) pci_mem_start = gapstart; printk(KERN_INFO - "Allocating PCI resources starting at %lx (gap: %lx:%lx)\n", - pci_mem_start, gapstart, gapsize); + "e820: [mem %#010lx-%#010lx] available for PCI devices\n", + gapstart, gapstart + gapsize - 1); } /** @@ -667,7 +667,7 @@ void __init parse_e820_ext(struct setup_data *sdata) extmap = (struct e820entry *)(sdata->data); __append_e820_map(extmap, entries); sanitize_e820_map(e820.map, ARRAY_SIZE(e820.map), &e820.nr_map); - printk(KERN_INFO "extended physical RAM map:\n"); + printk(KERN_INFO "e820: extended physical RAM map:\n"); e820_print_map("extended"); } @@ -734,7 +734,7 @@ u64 __init early_reserve_e820(u64 size, u64 align) addr = __memblock_alloc_base(size, align, MEMBLOCK_ALLOC_ACCESSIBLE); if (addr) { e820_update_range_saved(addr, size, E820_RAM, E820_RESERVED); - printk(KERN_INFO "update e820_saved for early_reserve_e820\n"); + printk(KERN_INFO "e820: update e820_saved for early_reserve_e820\n"); update_e820_saved(); } @@ -784,7 +784,7 @@ static unsigned long __init e820_end_pfn(unsigned long limit_pfn, unsigned type) if (last_pfn > max_arch_pfn) last_pfn = max_arch_pfn; - printk(KERN_INFO "last_pfn = %#lx max_arch_pfn = %#lx\n", + printk(KERN_INFO "e820: last_pfn = %#lx max_arch_pfn = %#lx\n", last_pfn, max_arch_pfn); return last_pfn; } @@ -888,7 +888,7 @@ void __init finish_e820_parsing(void) early_panic("Invalid user supplied memory map"); e820.nr_map = nr; - printk(KERN_INFO "user-defined physical RAM map:\n"); + printk(KERN_INFO "e820: user-defined physical RAM map:\n"); e820_print_map("user"); } } @@ -996,8 +996,9 @@ void __init e820_reserve_resources_late(void) end = MAX_RESOURCE_SIZE; if (start >= end) continue; - printk(KERN_DEBUG "reserve RAM buffer: %016llx - %016llx ", - start, end); + printk(KERN_DEBUG + "e820: reserve RAM buffer [mem %#010llx-%#010llx]\n", + start, end); reserve_region_with_split(&iomem_resource, start, end, "RAM buffer"); } @@ -1047,7 +1048,7 @@ void __init setup_memory_map(void) who = x86_init.resources.memory_setup(); memcpy(&e820_saved, &e820, sizeof(struct e820map)); - printk(KERN_INFO "BIOS-provided physical RAM map:\n"); + printk(KERN_INFO "e820: BIOS-provided physical RAM map:\n"); e820_print_map(who); } diff --git a/arch/x86/kernel/entry_32.S b/arch/x86/kernel/entry_32.S index 01ccf9b7147..623f2883747 100644 --- a/arch/x86/kernel/entry_32.S +++ b/arch/x86/kernel/entry_32.S @@ -316,7 +316,6 @@ ret_from_exception: preempt_stop(CLBR_ANY) ret_from_intr: GET_THREAD_INFO(%ebp) -resume_userspace_sig: #ifdef CONFIG_VM86 movl PT_EFLAGS(%esp), %eax # mix EFLAGS and CS movb PT_CS(%esp), %al @@ -615,9 +614,13 @@ work_notifysig: # deal with pending signals and # vm86-space TRACE_IRQS_ON ENABLE_INTERRUPTS(CLBR_NONE) + movb PT_CS(%esp), %bl + andb $SEGMENT_RPL_MASK, %bl + cmpb $USER_RPL, %bl + jb resume_kernel xorl %edx, %edx call do_notify_resume - jmp resume_userspace_sig + jmp resume_userspace ALIGN work_notifysig_v86: @@ -630,9 +633,13 @@ work_notifysig_v86: #endif TRACE_IRQS_ON ENABLE_INTERRUPTS(CLBR_NONE) + movb PT_CS(%esp), %bl + andb $SEGMENT_RPL_MASK, %bl + cmpb $USER_RPL, %bl + jb resume_kernel xorl %edx, %edx call do_notify_resume - jmp resume_userspace_sig + jmp resume_userspace END(work_pending) # perform syscall exit tracing diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S index 320852d0202..7d65133b51b 100644 --- a/arch/x86/kernel/entry_64.S +++ b/arch/x86/kernel/entry_64.S @@ -191,6 +191,44 @@ ENDPROC(native_usergs_sysret64) .endm /* + * When dynamic function tracer is enabled it will add a breakpoint + * to all locations that it is about to modify, sync CPUs, update + * all the code, sync CPUs, then remove the breakpoints. In this time + * if lockdep is enabled, it might jump back into the debug handler + * outside the updating of the IST protection. (TRACE_IRQS_ON/OFF). + * + * We need to change the IDT table before calling TRACE_IRQS_ON/OFF to + * make sure the stack pointer does not get reset back to the top + * of the debug stack, and instead just reuses the current stack. + */ +#if defined(CONFIG_DYNAMIC_FTRACE) && defined(CONFIG_TRACE_IRQFLAGS) + +.macro TRACE_IRQS_OFF_DEBUG + call debug_stack_set_zero + TRACE_IRQS_OFF + call debug_stack_reset +.endm + +.macro TRACE_IRQS_ON_DEBUG + call debug_stack_set_zero + TRACE_IRQS_ON + call debug_stack_reset +.endm + +.macro TRACE_IRQS_IRETQ_DEBUG offset=ARGOFFSET + bt $9,EFLAGS-\offset(%rsp) /* interrupts off? */ + jnc 1f + TRACE_IRQS_ON_DEBUG +1: +.endm + +#else +# define TRACE_IRQS_OFF_DEBUG TRACE_IRQS_OFF +# define TRACE_IRQS_ON_DEBUG TRACE_IRQS_ON +# define TRACE_IRQS_IRETQ_DEBUG TRACE_IRQS_IRETQ +#endif + +/* * C code is not supposed to know about undefined top of stack. Every time * a C function with an pt_regs argument is called from the SYSCALL based * fast path FIXUP_TOP_OF_STACK is needed. @@ -1098,7 +1136,7 @@ ENTRY(\sym) subq $ORIG_RAX-R15, %rsp CFI_ADJUST_CFA_OFFSET ORIG_RAX-R15 call save_paranoid - TRACE_IRQS_OFF + TRACE_IRQS_OFF_DEBUG movq %rsp,%rdi /* pt_regs pointer */ xorl %esi,%esi /* no error code */ subq $EXCEPTION_STKSZ, INIT_TSS_IST(\ist) @@ -1393,7 +1431,7 @@ paranoidzeroentry machine_check *machine_check_vector(%rip) ENTRY(paranoid_exit) DEFAULT_FRAME DISABLE_INTERRUPTS(CLBR_NONE) - TRACE_IRQS_OFF + TRACE_IRQS_OFF_DEBUG testl %ebx,%ebx /* swapgs needed? */ jnz paranoid_restore testl $3,CS(%rsp) @@ -1404,7 +1442,7 @@ paranoid_swapgs: RESTORE_ALL 8 jmp irq_return paranoid_restore: - TRACE_IRQS_IRETQ 0 + TRACE_IRQS_IRETQ_DEBUG 0 RESTORE_ALL 8 jmp irq_return paranoid_userspace: diff --git a/arch/x86/kernel/ftrace.c b/arch/x86/kernel/ftrace.c index 32ff36596ab..c3a7cb4bf6e 100644 --- a/arch/x86/kernel/ftrace.c +++ b/arch/x86/kernel/ftrace.c @@ -100,7 +100,7 @@ static const unsigned char *ftrace_nop_replace(void) } static int -ftrace_modify_code(unsigned long ip, unsigned const char *old_code, +ftrace_modify_code_direct(unsigned long ip, unsigned const char *old_code, unsigned const char *new_code) { unsigned char replaced[MCOUNT_INSN_SIZE]; @@ -141,7 +141,20 @@ int ftrace_make_nop(struct module *mod, old = ftrace_call_replace(ip, addr); new = ftrace_nop_replace(); - return ftrace_modify_code(rec->ip, old, new); + /* + * On boot up, and when modules are loaded, the MCOUNT_ADDR + * is converted to a nop, and will never become MCOUNT_ADDR + * again. This code is either running before SMP (on boot up) + * or before the code will ever be executed (module load). + * We do not want to use the breakpoint version in this case, + * just modify the code directly. + */ + if (addr == MCOUNT_ADDR) + return ftrace_modify_code_direct(rec->ip, old, new); + + /* Normal cases use add_brk_on_nop */ + WARN_ONCE(1, "invalid use of ftrace_make_nop"); + return -EINVAL; } int ftrace_make_call(struct dyn_ftrace *rec, unsigned long addr) @@ -152,9 +165,47 @@ int ftrace_make_call(struct dyn_ftrace *rec, unsigned long addr) old = ftrace_nop_replace(); new = ftrace_call_replace(ip, addr); - return ftrace_modify_code(rec->ip, old, new); + /* Should only be called when module is loaded */ + return ftrace_modify_code_direct(rec->ip, old, new); } +/* + * The modifying_ftrace_code is used to tell the breakpoint + * handler to call ftrace_int3_handler(). If it fails to + * call this handler for a breakpoint added by ftrace, then + * the kernel may crash. + * + * As atomic_writes on x86 do not need a barrier, we do not + * need to add smp_mb()s for this to work. It is also considered + * that we can not read the modifying_ftrace_code before + * executing the breakpoint. That would be quite remarkable if + * it could do that. Here's the flow that is required: + * + * CPU-0 CPU-1 + * + * atomic_inc(mfc); + * write int3s + * <trap-int3> // implicit (r)mb + * if (atomic_read(mfc)) + * call ftrace_int3_handler() + * + * Then when we are finished: + * + * atomic_dec(mfc); + * + * If we hit a breakpoint that was not set by ftrace, it does not + * matter if ftrace_int3_handler() is called or not. It will + * simply be ignored. But it is crucial that a ftrace nop/caller + * breakpoint is handled. No other user should ever place a + * breakpoint on an ftrace nop/caller location. It must only + * be done by this code. + */ +atomic_t modifying_ftrace_code __read_mostly; + +static int +ftrace_modify_code(unsigned long ip, unsigned const char *old_code, + unsigned const char *new_code); + int ftrace_update_ftrace_func(ftrace_func_t func) { unsigned long ip = (unsigned long)(&ftrace_call); @@ -163,13 +214,17 @@ int ftrace_update_ftrace_func(ftrace_func_t func) memcpy(old, &ftrace_call, MCOUNT_INSN_SIZE); new = ftrace_call_replace(ip, (unsigned long)func); + + /* See comment above by declaration of modifying_ftrace_code */ + atomic_inc(&modifying_ftrace_code); + ret = ftrace_modify_code(ip, old, new); + atomic_dec(&modifying_ftrace_code); + return ret; } -int modifying_ftrace_code __read_mostly; - /* * A breakpoint was added to the code address we are about to * modify, and this is the handle that will just skip over it. @@ -489,13 +544,46 @@ void ftrace_replace_code(int enable) } } +static int +ftrace_modify_code(unsigned long ip, unsigned const char *old_code, + unsigned const char *new_code) +{ + int ret; + + ret = add_break(ip, old_code); + if (ret) + goto out; + + run_sync(); + + ret = add_update_code(ip, new_code); + if (ret) + goto fail_update; + + run_sync(); + + ret = ftrace_write(ip, new_code, 1); + if (ret) { + ret = -EPERM; + goto out; + } + run_sync(); + out: + return ret; + + fail_update: + probe_kernel_write((void *)ip, &old_code[0], 1); + goto out; +} + void arch_ftrace_update_code(int command) { - modifying_ftrace_code++; + /* See comment above by declaration of modifying_ftrace_code */ + atomic_inc(&modifying_ftrace_code); ftrace_modify_all_code(command); - modifying_ftrace_code--; + atomic_dec(&modifying_ftrace_code); } int __init ftrace_dyn_arch_init(void *data) diff --git a/arch/x86/kernel/head32.c b/arch/x86/kernel/head32.c index 51ff18616d5..c18f59d1010 100644 --- a/arch/x86/kernel/head32.c +++ b/arch/x86/kernel/head32.c @@ -14,7 +14,6 @@ #include <asm/sections.h> #include <asm/e820.h> #include <asm/page.h> -#include <asm/trampoline.h> #include <asm/apic.h> #include <asm/io_apic.h> #include <asm/bios_ebda.h> diff --git a/arch/x86/kernel/head64.c b/arch/x86/kernel/head64.c index 3a3b779f41d..037df57a99a 100644 --- a/arch/x86/kernel/head64.c +++ b/arch/x86/kernel/head64.c @@ -24,7 +24,6 @@ #include <asm/sections.h> #include <asm/kdebug.h> #include <asm/e820.h> -#include <asm/trampoline.h> #include <asm/bios_ebda.h> static void __init zap_identity_mappings(void) diff --git a/arch/x86/kernel/head_32.S b/arch/x86/kernel/head_32.S index 463c9797ca6..d42ab17b739 100644 --- a/arch/x86/kernel/head_32.S +++ b/arch/x86/kernel/head_32.S @@ -274,10 +274,7 @@ num_subarch_entries = (. - subarch_entries) / 4 * If cpu hotplug is not supported then this code can go in init section * which will be freed later */ - __CPUINIT - -#ifdef CONFIG_SMP ENTRY(startup_32_smp) cld movl $(__BOOT_DS),%eax @@ -288,7 +285,7 @@ ENTRY(startup_32_smp) movl pa(stack_start),%ecx movl %eax,%ss leal -__PAGE_OFFSET(%ecx),%esp -#endif /* CONFIG_SMP */ + default_entry: /* diff --git a/arch/x86/kernel/head_64.S b/arch/x86/kernel/head_64.S index 7a40f244732..94bf9cc2c7e 100644 --- a/arch/x86/kernel/head_64.S +++ b/arch/x86/kernel/head_64.S @@ -139,10 +139,6 @@ ident_complete: /* Fixup phys_base */ addq %rbp, phys_base(%rip) - /* Fixup trampoline */ - addq %rbp, trampoline_level4_pgt + 0(%rip) - addq %rbp, trampoline_level4_pgt + (511*8)(%rip) - /* Due to ENTRY(), sometimes the empty space gets filled with * zeros. Better take a jmp than relying on empty space being * filled with 0x90 (nop) diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c index 9cc7b4392f7..1460a5df92f 100644 --- a/arch/x86/kernel/hpet.c +++ b/arch/x86/kernel/hpet.c @@ -870,7 +870,7 @@ int __init hpet_enable(void) else pr_warn("HPET initial state will not be saved\n"); cfg &= ~(HPET_CFG_ENABLE | HPET_CFG_LEGACY); - hpet_writel(cfg, HPET_Tn_CFG(i)); + hpet_writel(cfg, HPET_CFG); if (cfg) pr_warn("HPET: Unrecognized bits %#x set in global cfg\n", cfg); diff --git a/arch/x86/kernel/mpparse.c b/arch/x86/kernel/mpparse.c index b02d4dd6b8a..d2b56489d70 100644 --- a/arch/x86/kernel/mpparse.c +++ b/arch/x86/kernel/mpparse.c @@ -27,7 +27,6 @@ #include <asm/proto.h> #include <asm/bios_ebda.h> #include <asm/e820.h> -#include <asm/trampoline.h> #include <asm/setup.h> #include <asm/smp.h> @@ -568,8 +567,8 @@ static int __init smp_scan_config(unsigned long base, unsigned long length) struct mpf_intel *mpf; unsigned long mem; - apic_printk(APIC_VERBOSE, "Scan SMP from %p for %ld bytes.\n", - bp, length); + apic_printk(APIC_VERBOSE, "Scan for SMP in [mem %#010lx-%#010lx]\n", + base, base + length - 1); BUILD_BUG_ON(sizeof(*mpf) != 16); while (length > 0) { @@ -584,8 +583,10 @@ static int __init smp_scan_config(unsigned long base, unsigned long length) #endif mpf_found = mpf; - printk(KERN_INFO "found SMP MP-table at [%p] %llx\n", - mpf, (u64)virt_to_phys(mpf)); + printk(KERN_INFO "found SMP MP-table at [mem %#010llx-%#010llx] mapped at [%p]\n", + (unsigned long long) virt_to_phys(mpf), + (unsigned long long) virt_to_phys(mpf) + + sizeof(*mpf) - 1, mpf); mem = virt_to_phys(mpf); memblock_reserve(mem, sizeof(*mpf)); diff --git a/arch/x86/kernel/nmi.c b/arch/x86/kernel/nmi.c index 90875279ef3..a0b2f84457b 100644 --- a/arch/x86/kernel/nmi.c +++ b/arch/x86/kernel/nmi.c @@ -444,14 +444,16 @@ static inline void nmi_nesting_preprocess(struct pt_regs *regs) */ if (unlikely(is_debug_stack(regs->sp))) { debug_stack_set_zero(); - __get_cpu_var(update_debug_stack) = 1; + this_cpu_write(update_debug_stack, 1); } } static inline void nmi_nesting_postprocess(void) { - if (unlikely(__get_cpu_var(update_debug_stack))) + if (unlikely(this_cpu_read(update_debug_stack))) { debug_stack_reset(); + this_cpu_write(update_debug_stack, 0); + } } #endif diff --git a/arch/x86/kernel/nmi_selftest.c b/arch/x86/kernel/nmi_selftest.c index e31bf8d5c4d..149b8d9c6ad 100644 --- a/arch/x86/kernel/nmi_selftest.c +++ b/arch/x86/kernel/nmi_selftest.c @@ -42,7 +42,7 @@ static int __init nmi_unk_cb(unsigned int val, struct pt_regs *regs) static void __init init_nmi_testsuite(void) { /* trap all the unknown NMIs we may generate */ - register_nmi_handler(NMI_UNKNOWN, nmi_unk_cb, 0, "nmi_selftest_unk"); + register_nmi_handler_initonly(NMI_UNKNOWN, nmi_unk_cb, 0, "nmi_selftest_unk"); } static void __init cleanup_nmi_testsuite(void) @@ -64,7 +64,7 @@ static void __init test_nmi_ipi(struct cpumask *mask) { unsigned long timeout; - if (register_nmi_handler(NMI_LOCAL, test_nmi_ipi_callback, + if (register_nmi_handler_initonly(NMI_LOCAL, test_nmi_ipi_callback, NMI_FLAG_FIRST, "nmi_selftest")) { nmi_fail = FAILURE; return; diff --git a/arch/x86/kernel/ptrace.c b/arch/x86/kernel/ptrace.c index 13b1990c7c5..c4c6a5c2bf0 100644 --- a/arch/x86/kernel/ptrace.c +++ b/arch/x86/kernel/ptrace.c @@ -1211,12 +1211,6 @@ static long x32_arch_ptrace(struct task_struct *child, 0, sizeof(struct user_i387_struct), datap); - /* normal 64bit interface to access TLS data. - Works just like arch_prctl, except that the arguments - are reversed. */ - case PTRACE_ARCH_PRCTL: - return do_arch_prctl(child, data, addr); - default: return compat_ptrace_request(child, request, addr, data); } diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c index 77215c23fba..25b48edb847 100644 --- a/arch/x86/kernel/reboot.c +++ b/arch/x86/kernel/reboot.c @@ -24,6 +24,7 @@ #ifdef CONFIG_X86_32 # include <linux/ctype.h> # include <linux/mc146818rtc.h> +# include <asm/realmode.h> #else # include <asm/x86_init.h> #endif @@ -156,15 +157,10 @@ static int __init set_bios_reboot(const struct dmi_system_id *d) return 0; } -extern const unsigned char machine_real_restart_asm[]; -extern const u64 machine_real_restart_gdt[3]; - void machine_real_restart(unsigned int type) { - void *restart_va; - unsigned long restart_pa; - void (*restart_lowmem)(unsigned int); - u64 *lowmem_gdt; + void (*restart_lowmem)(unsigned int) = (void (*)(unsigned int)) + real_mode_header->machine_real_restart_asm; local_irq_disable(); @@ -195,21 +191,6 @@ void machine_real_restart(unsigned int type) * too. */ *((unsigned short *)0x472) = reboot_mode; - /* Patch the GDT in the low memory trampoline */ - lowmem_gdt = TRAMPOLINE_SYM(machine_real_restart_gdt); - - restart_va = TRAMPOLINE_SYM(machine_real_restart_asm); - restart_pa = virt_to_phys(restart_va); - restart_lowmem = (void (*)(unsigned int))restart_pa; - - /* GDT[0]: GDT self-pointer */ - lowmem_gdt[0] = - (u64)(sizeof(machine_real_restart_gdt) - 1) + - ((u64)virt_to_phys(lowmem_gdt) << 16); - /* GDT[1]: 64K real mode code segment */ - lowmem_gdt[1] = - GDT_ENTRY(0x009b, restart_pa, 0xffff); - /* Jump to the identity-mapped low memory code */ restart_lowmem(type); } @@ -658,9 +639,11 @@ void native_machine_shutdown(void) set_cpus_allowed_ptr(current, cpumask_of(reboot_cpu_id)); /* - * O.K Now that I'm on the appropriate processor, - * stop all of the others. + * O.K Now that I'm on the appropriate processor, stop all of the + * others. Also disable the local irq to not receive the per-cpu + * timer interrupt which may trigger scheduler's load balance. */ + local_irq_disable(); stop_other_cpus(); #endif diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index f2afee6a19c..16be6dc14db 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -73,7 +73,7 @@ #include <asm/mtrr.h> #include <asm/apic.h> -#include <asm/trampoline.h> +#include <asm/realmode.h> #include <asm/e820.h> #include <asm/mpspec.h> #include <asm/setup.h> @@ -334,8 +334,8 @@ static void __init relocate_initrd(void) memblock_reserve(ramdisk_here, area_size); initrd_start = ramdisk_here + PAGE_OFFSET; initrd_end = initrd_start + ramdisk_size; - printk(KERN_INFO "Allocated new RAMDISK: %08llx - %08llx\n", - ramdisk_here, ramdisk_here + ramdisk_size); + printk(KERN_INFO "Allocated new RAMDISK: [mem %#010llx-%#010llx]\n", + ramdisk_here, ramdisk_here + ramdisk_size - 1); q = (char *)initrd_start; @@ -366,8 +366,8 @@ static void __init relocate_initrd(void) /* high pages is not converted by early_res_to_bootmem */ ramdisk_image = boot_params.hdr.ramdisk_image; ramdisk_size = boot_params.hdr.ramdisk_size; - printk(KERN_INFO "Move RAMDISK from %016llx - %016llx to" - " %08llx - %08llx\n", + printk(KERN_INFO "Move RAMDISK from [mem %#010llx-%#010llx] to" + " [mem %#010llx-%#010llx]\n", ramdisk_image, ramdisk_image + ramdisk_size - 1, ramdisk_here, ramdisk_here + ramdisk_size - 1); } @@ -392,8 +392,8 @@ static void __init reserve_initrd(void) ramdisk_size, end_of_lowmem>>1); } - printk(KERN_INFO "RAMDISK: %08llx - %08llx\n", ramdisk_image, - ramdisk_end); + printk(KERN_INFO "RAMDISK: [mem %#010llx-%#010llx]\n", ramdisk_image, + ramdisk_end - 1); if (ramdisk_end <= end_of_lowmem) { @@ -906,10 +906,10 @@ void __init setup_arch(char **cmdline_p) setup_bios_corruption_check(); #endif - printk(KERN_DEBUG "initial memory mapped : 0 - %08lx\n", - max_pfn_mapped<<PAGE_SHIFT); + printk(KERN_DEBUG "initial memory mapped: [mem 0x00000000-%#010lx]\n", + (max_pfn_mapped<<PAGE_SHIFT) - 1); - setup_trampolines(); + setup_real_mode(); init_gbpages(); @@ -968,6 +968,8 @@ void __init setup_arch(char **cmdline_p) if (boot_cpu_data.cpuid_level >= 0) { /* A CPU has %cr4 if and only if it has CPUID */ mmu_cr4_features = read_cr4(); + if (trampoline_cr4_features) + *trampoline_cr4_features = mmu_cr4_features; } #ifdef CONFIG_X86_32 diff --git a/arch/x86/kernel/signal.c b/arch/x86/kernel/signal.c index 965dfda0fd5..21af737053a 100644 --- a/arch/x86/kernel/signal.c +++ b/arch/x86/kernel/signal.c @@ -555,7 +555,6 @@ unsigned long sys_sigreturn(struct pt_regs *regs) sizeof(frame->extramask)))) goto badframe; - sigdelsetmask(&set, ~_BLOCKABLE); set_current_blocked(&set); if (restore_sigcontext(regs, &frame->sc, &ax)) @@ -581,7 +580,6 @@ long sys_rt_sigreturn(struct pt_regs *regs) if (__copy_from_user(&set, &frame->uc.uc_sigmask, sizeof(set))) goto badframe; - sigdelsetmask(&set, ~_BLOCKABLE); set_current_blocked(&set); if (restore_sigcontext(regs, &frame->uc.uc_mcontext, &ax)) @@ -647,42 +645,28 @@ setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, struct pt_regs *regs) { int usig = signr_convert(sig); - sigset_t *set = ¤t->blocked; - int ret; - - if (current_thread_info()->status & TS_RESTORE_SIGMASK) - set = ¤t->saved_sigmask; + sigset_t *set = sigmask_to_save(); /* Set up the stack frame */ if (is_ia32) { if (ka->sa.sa_flags & SA_SIGINFO) - ret = ia32_setup_rt_frame(usig, ka, info, set, regs); + return ia32_setup_rt_frame(usig, ka, info, set, regs); else - ret = ia32_setup_frame(usig, ka, set, regs); + return ia32_setup_frame(usig, ka, set, regs); #ifdef CONFIG_X86_X32_ABI } else if (is_x32) { - ret = x32_setup_rt_frame(usig, ka, info, + return x32_setup_rt_frame(usig, ka, info, (compat_sigset_t *)set, regs); #endif } else { - ret = __setup_rt_frame(sig, ka, info, set, regs); - } - - if (ret) { - force_sigsegv(sig, current); - return -EFAULT; + return __setup_rt_frame(sig, ka, info, set, regs); } - - current_thread_info()->status &= ~TS_RESTORE_SIGMASK; - return ret; } -static int +static void handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka, struct pt_regs *regs) { - int ret; - /* Are we from a system call? */ if (syscall_get_nr(current, regs) >= 0) { /* If so, check system call restarting.. */ @@ -713,10 +697,10 @@ handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka, likely(test_and_clear_thread_flag(TIF_FORCED_TF))) regs->flags &= ~X86_EFLAGS_TF; - ret = setup_rt_frame(sig, ka, info, regs); - - if (ret) - return ret; + if (setup_rt_frame(sig, ka, info, regs) < 0) { + force_sigsegv(sig, current); + return; + } /* * Clear the direction flag as per the ABI for function entry. @@ -731,12 +715,8 @@ handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka, */ regs->flags &= ~X86_EFLAGS_TF; - block_sigmask(ka, sig); - - tracehook_signal_handler(sig, info, ka, regs, - test_thread_flag(TIF_SINGLESTEP)); - - return 0; + signal_delivered(sig, info, ka, regs, + test_thread_flag(TIF_SINGLESTEP)); } #ifdef CONFIG_X86_32 @@ -757,16 +737,6 @@ static void do_signal(struct pt_regs *regs) siginfo_t info; int signr; - /* - * We want the common case to go fast, which is why we may in certain - * cases get here from kernel mode. Just return without doing anything - * if so. - * X86_32: vm86 regs switched out by assembly code before reaching - * here, so testing against kernel CS suffices. - */ - if (!user_mode(regs)) - return; - signr = get_signal_to_deliver(&info, &ka, regs, NULL); if (signr > 0) { /* Whee! Actually deliver the signal. */ @@ -796,10 +766,7 @@ static void do_signal(struct pt_regs *regs) * If there's no signal to deliver, we just put the saved sigmask * back. */ - if (current_thread_info()->status & TS_RESTORE_SIGMASK) { - current_thread_info()->status &= ~TS_RESTORE_SIGMASK; - set_current_blocked(¤t->saved_sigmask); - } + restore_saved_sigmask(); } /* @@ -827,8 +794,6 @@ do_notify_resume(struct pt_regs *regs, void *unused, __u32 thread_info_flags) if (thread_info_flags & _TIF_NOTIFY_RESUME) { clear_thread_flag(TIF_NOTIFY_RESUME); tracehook_notify_resume(regs); - if (current->replacement_session_keyring) - key_replace_session_keyring(); } if (thread_info_flags & _TIF_USER_RETURN_NOTIFY) fire_user_return_notifiers(); @@ -936,7 +901,6 @@ asmlinkage long sys32_x32_rt_sigreturn(struct pt_regs *regs) if (__copy_from_user(&set, &frame->uc.uc_sigmask, sizeof(set))) goto badframe; - sigdelsetmask(&set, ~_BLOCKABLE); set_current_blocked(&set); if (restore_sigcontext(regs, &frame->uc.uc_mcontext, &ax)) diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index 433529e29be..3fab55bea29 100644 --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c @@ -57,7 +57,7 @@ #include <asm/nmi.h> #include <asm/irq.h> #include <asm/idle.h> -#include <asm/trampoline.h> +#include <asm/realmode.h> #include <asm/cpu.h> #include <asm/numa.h> #include <asm/pgtable.h> @@ -73,6 +73,8 @@ #include <asm/smpboot_hooks.h> #include <asm/i8259.h> +#include <asm/realmode.h> + /* State of each CPU */ DEFINE_PER_CPU(int, cpu_state) = { 0 }; @@ -380,6 +382,15 @@ void __cpuinit set_cpu_sibling_map(int cpu) if ((i == cpu) || (has_mc && match_llc(c, o))) link_mask(llc_shared, cpu, i); + } + + /* + * This needs a separate iteration over the cpus because we rely on all + * cpu_sibling_mask links to be set-up. + */ + for_each_cpu(i, cpu_sibling_setup_mask) { + o = &cpu_data(i); + if ((i == cpu) || (has_mc && match_mc(c, o))) { link_mask(core, cpu, i); @@ -408,15 +419,7 @@ void __cpuinit set_cpu_sibling_map(int cpu) /* maps the cpu to the sched domain representing multi-core */ const struct cpumask *cpu_coregroup_mask(int cpu) { - struct cpuinfo_x86 *c = &cpu_data(cpu); - /* - * For perf, we return last level cache shared map. - * And for power savings, we return cpu_core_map - */ - if (!(cpu_has(c, X86_FEATURE_AMD_DCM))) - return cpu_core_mask(cpu); - else - return cpu_llc_shared_mask(cpu); + return cpu_llc_shared_mask(cpu); } static void impress_friends(void) @@ -660,8 +663,12 @@ static void __cpuinit announce_cpu(int cpu, int apicid) */ static int __cpuinit do_boot_cpu(int apicid, int cpu, struct task_struct *idle) { + volatile u32 *trampoline_status = + (volatile u32 *) __va(real_mode_header->trampoline_status); + /* start_ip had better be page-aligned! */ + unsigned long start_ip = real_mode_header->trampoline_start; + unsigned long boot_error = 0; - unsigned long start_ip; int timeout; alternatives_smp_switch(1); @@ -684,9 +691,6 @@ static int __cpuinit do_boot_cpu(int apicid, int cpu, struct task_struct *idle) initial_code = (unsigned long)start_secondary; stack_start = idle->thread.sp; - /* start_ip had better be page-aligned! */ - start_ip = trampoline_address(); - /* So we see what's up */ announce_cpu(cpu, apicid); @@ -749,8 +753,7 @@ static int __cpuinit do_boot_cpu(int apicid, int cpu, struct task_struct *idle) pr_debug("CPU%d: has booted.\n", cpu); } else { boot_error = 1; - if (*(volatile u32 *)TRAMPOLINE_SYM(trampoline_status) - == 0xA5A5A5A5) + if (*trampoline_status == 0xA5A5A5A5) /* trampoline started but...? */ pr_err("CPU%d: Stuck ??\n", cpu); else @@ -776,7 +779,7 @@ static int __cpuinit do_boot_cpu(int apicid, int cpu, struct task_struct *idle) } /* mark "stuck" area as not stuck */ - *(volatile u32 *)TRAMPOLINE_SYM(trampoline_status) = 0; + *trampoline_status = 0; if (get_uv_system_type() != UV_NON_UNIQUE_APIC) { /* diff --git a/arch/x86/kernel/tboot.c b/arch/x86/kernel/tboot.c index 6410744ac5c..f84fe00fad4 100644 --- a/arch/x86/kernel/tboot.c +++ b/arch/x86/kernel/tboot.c @@ -32,7 +32,7 @@ #include <linux/mm.h> #include <linux/tboot.h> -#include <asm/trampoline.h> +#include <asm/realmode.h> #include <asm/processor.h> #include <asm/bootparam.h> #include <asm/pgtable.h> @@ -44,7 +44,7 @@ #include <asm/e820.h> #include <asm/io.h> -#include "acpi/realmode/wakeup.h" +#include "../realmode/rm/wakeup.h" /* Global pointer to shared data; NULL means no measured launch. */ struct tboot *tboot __read_mostly; @@ -201,7 +201,8 @@ static int tboot_setup_sleep(void) add_mac_region(e820.map[i].addr, e820.map[i].size); } - tboot->acpi_sinfo.kernel_s3_resume_vector = acpi_wakeup_address; + tboot->acpi_sinfo.kernel_s3_resume_vector = + real_mode_header->wakeup_start; return 0; } diff --git a/arch/x86/kernel/trampoline.c b/arch/x86/kernel/trampoline.c deleted file mode 100644 index a73b61055ad..00000000000 --- a/arch/x86/kernel/trampoline.c +++ /dev/null @@ -1,42 +0,0 @@ -#include <linux/io.h> -#include <linux/memblock.h> - -#include <asm/trampoline.h> -#include <asm/cacheflush.h> -#include <asm/pgtable.h> - -unsigned char *x86_trampoline_base; - -void __init setup_trampolines(void) -{ - phys_addr_t mem; - size_t size = PAGE_ALIGN(x86_trampoline_end - x86_trampoline_start); - - /* Has to be in very low memory so we can execute real-mode AP code. */ - mem = memblock_find_in_range(0, 1<<20, size, PAGE_SIZE); - if (!mem) - panic("Cannot allocate trampoline\n"); - - x86_trampoline_base = __va(mem); - memblock_reserve(mem, size); - - printk(KERN_DEBUG "Base memory trampoline at [%p] %llx size %zu\n", - x86_trampoline_base, (unsigned long long)mem, size); - - memcpy(x86_trampoline_base, x86_trampoline_start, size); -} - -/* - * setup_trampolines() gets called very early, to guarantee the - * availability of low memory. This is before the proper kernel page - * tables are set up, so we cannot set page permissions in that - * function. Thus, we use an arch_initcall instead. - */ -static int __init configure_trampolines(void) -{ - size_t size = PAGE_ALIGN(x86_trampoline_end - x86_trampoline_start); - - set_memory_x((unsigned long)x86_trampoline_base, size >> PAGE_SHIFT); - return 0; -} -arch_initcall(configure_trampolines); diff --git a/arch/x86/kernel/trampoline_32.S b/arch/x86/kernel/trampoline_32.S deleted file mode 100644 index 451c0a7ef7f..00000000000 --- a/arch/x86/kernel/trampoline_32.S +++ /dev/null @@ -1,83 +0,0 @@ -/* - * - * Trampoline.S Derived from Setup.S by Linus Torvalds - * - * 4 Jan 1997 Michael Chastain: changed to gnu as. - * - * This is only used for booting secondary CPUs in SMP machine - * - * Entry: CS:IP point to the start of our code, we are - * in real mode with no stack, but the rest of the - * trampoline page to make our stack and everything else - * is a mystery. - * - * We jump into arch/x86/kernel/head_32.S. - * - * On entry to trampoline_data, the processor is in real mode - * with 16-bit addressing and 16-bit data. CS has some value - * and IP is zero. Thus, data addresses need to be absolute - * (no relocation) and are taken with regard to r_base. - * - * If you work on this file, check the object module with - * objdump --reloc to make sure there are no relocation - * entries except for: - * - * TYPE VALUE - * R_386_32 startup_32_smp - * R_386_32 boot_gdt - */ - -#include <linux/linkage.h> -#include <linux/init.h> -#include <asm/segment.h> -#include <asm/page_types.h> - -#ifdef CONFIG_SMP - - .section ".x86_trampoline","a" - .balign PAGE_SIZE - .code16 - -ENTRY(trampoline_data) -r_base = . - wbinvd # Needed for NUMA-Q should be harmless for others - mov %cs, %ax # Code and data in the same place - mov %ax, %ds - - cli # We should be safe anyway - - movl $0xA5A5A5A5, trampoline_status - r_base - # write marker for master knows we're running - - /* GDT tables in non default location kernel can be beyond 16MB and - * lgdt will not be able to load the address as in real mode default - * operand size is 16bit. Use lgdtl instead to force operand size - * to 32 bit. - */ - - lidtl boot_idt_descr - r_base # load idt with 0, 0 - lgdtl boot_gdt_descr - r_base # load gdt with whatever is appropriate - - xor %ax, %ax - inc %ax # protected mode (PE) bit - lmsw %ax # into protected mode - # flush prefetch and jump to startup_32_smp in arch/i386/kernel/head.S - ljmpl $__BOOT_CS, $(startup_32_smp-__PAGE_OFFSET) - - # These need to be in the same 64K segment as the above; - # hence we don't use the boot_gdt_descr defined in head.S -boot_gdt_descr: - .word __BOOT_DS + 7 # gdt limit - .long boot_gdt - __PAGE_OFFSET # gdt base - -boot_idt_descr: - .word 0 # idt limit = 0 - .long 0 # idt base = 0L - -ENTRY(trampoline_status) - .long 0 - -.globl trampoline_end -trampoline_end: - -#endif /* CONFIG_SMP */ diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c index ff08457a025..05b31d92f69 100644 --- a/arch/x86/kernel/traps.c +++ b/arch/x86/kernel/traps.c @@ -303,8 +303,12 @@ gp_in_kernel: dotraplinkage void __kprobes notrace do_int3(struct pt_regs *regs, long error_code) { #ifdef CONFIG_DYNAMIC_FTRACE - /* ftrace must be first, everything else may cause a recursive crash */ - if (unlikely(modifying_ftrace_code) && ftrace_int3_handler(regs)) + /* + * ftrace must be first, everything else may cause a recursive crash. + * See note by declaration of modifying_ftrace_code in ftrace.c + */ + if (unlikely(atomic_read(&modifying_ftrace_code)) && + ftrace_int3_handler(regs)) return; #endif #ifdef CONFIG_KGDB_LOW_LEVEL_TRAP diff --git a/arch/x86/kernel/vmlinux.lds.S b/arch/x86/kernel/vmlinux.lds.S index 0f703f10901..22a1530146a 100644 --- a/arch/x86/kernel/vmlinux.lds.S +++ b/arch/x86/kernel/vmlinux.lds.S @@ -197,18 +197,6 @@ SECTIONS INIT_DATA_SECTION(16) - /* - * Code and data for a variety of lowlevel trampolines, to be - * copied into base memory (< 1 MiB) during initialization. - * Since it is copied early, the main copy can be discarded - * afterwards. - */ - .x86_trampoline : AT(ADDR(.x86_trampoline) - LOAD_OFFSET) { - x86_trampoline_start = .; - *(.x86_trampoline) - x86_trampoline_end = .; - } - .x86_cpu_dev.init : AT(ADDR(.x86_cpu_dev.init) - LOAD_OFFSET) { __x86_cpu_dev_start = .; *(.x86_cpu_dev.init) diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index 72102e0ab7c..be3cea4407f 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -2595,8 +2595,7 @@ static void transparent_hugepage_adjust(struct kvm_vcpu *vcpu, *gfnp = gfn; kvm_release_pfn_clean(pfn); pfn &= ~mask; - if (!get_page_unless_zero(pfn_to_page(pfn))) - BUG(); + kvm_get_pfn(pfn); *pfnp = pfn; } } diff --git a/arch/x86/lib/usercopy.c b/arch/x86/lib/usercopy.c index f61ee67ec00..677b1ed184c 100644 --- a/arch/x86/lib/usercopy.c +++ b/arch/x86/lib/usercopy.c @@ -8,6 +8,7 @@ #include <linux/module.h> #include <asm/word-at-a-time.h> +#include <linux/sched.h> /* * best effort, GUP based copy_from_user() that is NMI-safe @@ -21,6 +22,9 @@ copy_from_user_nmi(void *to, const void __user *from, unsigned long n) void *map; int ret; + if (__range_not_ok(from, n, TASK_SIZE) == 0) + return len; + do { ret = __get_user_pages_fast(addr, 1, 0, &page); if (!ret) diff --git a/arch/x86/lib/x86-opcode-map.txt b/arch/x86/lib/x86-opcode-map.txt index 81913790442..5d7e51f3fd2 100644 --- a/arch/x86/lib/x86-opcode-map.txt +++ b/arch/x86/lib/x86-opcode-map.txt @@ -28,7 +28,7 @@ # - (66): the last prefix is 0x66 # - (F3): the last prefix is 0xF3 # - (F2): the last prefix is 0xF2 -# +# - (!F3) : the last prefix is not 0xF3 (including non-last prefix case) Table: one byte opcode Referrer: @@ -515,12 +515,12 @@ b4: LFS Gv,Mp b5: LGS Gv,Mp b6: MOVZX Gv,Eb b7: MOVZX Gv,Ew -b8: JMPE | POPCNT Gv,Ev (F3) +b8: JMPE (!F3) | POPCNT Gv,Ev (F3) b9: Grp10 (1A) ba: Grp8 Ev,Ib (1A) bb: BTC Ev,Gv -bc: BSF Gv,Ev | TZCNT Gv,Ev (F3) -bd: BSR Gv,Ev | LZCNT Gv,Ev (F3) +bc: BSF Gv,Ev (!F3) | TZCNT Gv,Ev (F3) +bd: BSR Gv,Ev (!F3) | LZCNT Gv,Ev (F3) be: MOVSX Gv,Eb bf: MOVSX Gv,Ew # 0x0f 0xc0-0xcf diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c index 319b6f2fb8b..bc4e9d84157 100644 --- a/arch/x86/mm/init.c +++ b/arch/x86/mm/init.c @@ -62,7 +62,8 @@ static void __init find_early_table_space(struct map_range *mr, unsigned long en extra += PMD_SIZE; #endif /* The first 2/4M doesn't use large pages. */ - extra += mr->end - mr->start; + if (mr->start < PMD_SIZE) + extra += mr->end - mr->start; ptes = (extra + PAGE_SIZE - 1) >> PAGE_SHIFT; } else @@ -84,8 +85,9 @@ static void __init find_early_table_space(struct map_range *mr, unsigned long en pgt_buf_end = pgt_buf_start; pgt_buf_top = pgt_buf_start + (tables >> PAGE_SHIFT); - printk(KERN_DEBUG "kernel direct mapping tables up to %lx @ %lx-%lx\n", - end, pgt_buf_start << PAGE_SHIFT, pgt_buf_top << PAGE_SHIFT); + printk(KERN_DEBUG "kernel direct mapping tables up to %#lx @ [mem %#010lx-%#010lx]\n", + end - 1, pgt_buf_start << PAGE_SHIFT, + (pgt_buf_top << PAGE_SHIFT) - 1); } void __init native_pagetable_reserve(u64 start, u64 end) @@ -132,7 +134,8 @@ unsigned long __init_refok init_memory_mapping(unsigned long start, int nr_range, i; int use_pse, use_gbpages; - printk(KERN_INFO "init_memory_mapping: %016lx-%016lx\n", start, end); + printk(KERN_INFO "init_memory_mapping: [mem %#010lx-%#010lx]\n", + start, end - 1); #if defined(CONFIG_DEBUG_PAGEALLOC) || defined(CONFIG_KMEMCHECK) /* @@ -251,8 +254,8 @@ unsigned long __init_refok init_memory_mapping(unsigned long start, } for (i = 0; i < nr_range; i++) - printk(KERN_DEBUG " %010lx - %010lx page %s\n", - mr[i].start, mr[i].end, + printk(KERN_DEBUG " [mem %#010lx-%#010lx] page %s\n", + mr[i].start, mr[i].end - 1, (mr[i].page_size_mask & (1<<PG_LEVEL_1G))?"1G":( (mr[i].page_size_mask & (1<<PG_LEVEL_2M))?"2M":"4k")); @@ -350,8 +353,8 @@ void free_init_pages(char *what, unsigned long begin, unsigned long end) * create a kernel page fault: */ #ifdef CONFIG_DEBUG_PAGEALLOC - printk(KERN_INFO "debug: unmapping init memory %08lx..%08lx\n", - begin, end); + printk(KERN_INFO "debug: unmapping init [mem %#010lx-%#010lx]\n", + begin, end - 1); set_memory_np(begin, (end - begin) >> PAGE_SHIFT); #else /* diff --git a/arch/x86/mm/numa.c b/arch/x86/mm/numa.c index 19d3fa08b11..2d125be1bae 100644 --- a/arch/x86/mm/numa.c +++ b/arch/x86/mm/numa.c @@ -141,8 +141,8 @@ static int __init numa_add_memblk_to(int nid, u64 start, u64 end, /* whine about and ignore invalid blks */ if (start > end || nid < 0 || nid >= MAX_NUMNODES) { - pr_warning("NUMA: Warning: invalid memblk node %d (%Lx-%Lx)\n", - nid, start, end); + pr_warning("NUMA: Warning: invalid memblk node %d [mem %#010Lx-%#010Lx]\n", + nid, start, end - 1); return 0; } @@ -210,8 +210,8 @@ static void __init setup_node_data(int nid, u64 start, u64 end) start = roundup(start, ZONE_ALIGN); - printk(KERN_INFO "Initmem setup node %d %016Lx-%016Lx\n", - nid, start, end); + printk(KERN_INFO "Initmem setup node %d [mem %#010Lx-%#010Lx]\n", + nid, start, end - 1); /* * Allocate node data. Try remap allocator first, node-local @@ -232,7 +232,7 @@ static void __init setup_node_data(int nid, u64 start, u64 end) } /* report and initialize */ - printk(KERN_INFO " NODE_DATA [%016Lx - %016Lx]%s\n", + printk(KERN_INFO " NODE_DATA [mem %#010Lx-%#010Lx]%s\n", nd_pa, nd_pa + nd_size - 1, remapped ? " (remapped)" : ""); tnid = early_pfn_to_nid(nd_pa >> PAGE_SHIFT); if (!remapped && tnid != nid) @@ -291,14 +291,14 @@ int __init numa_cleanup_meminfo(struct numa_meminfo *mi) */ if (bi->end > bj->start && bi->start < bj->end) { if (bi->nid != bj->nid) { - pr_err("NUMA: node %d (%Lx-%Lx) overlaps with node %d (%Lx-%Lx)\n", - bi->nid, bi->start, bi->end, - bj->nid, bj->start, bj->end); + pr_err("NUMA: node %d [mem %#010Lx-%#010Lx] overlaps with node %d [mem %#010Lx-%#010Lx]\n", + bi->nid, bi->start, bi->end - 1, + bj->nid, bj->start, bj->end - 1); return -EINVAL; } - pr_warning("NUMA: Warning: node %d (%Lx-%Lx) overlaps with itself (%Lx-%Lx)\n", - bi->nid, bi->start, bi->end, - bj->start, bj->end); + pr_warning("NUMA: Warning: node %d [mem %#010Lx-%#010Lx] overlaps with itself [mem %#010Lx-%#010Lx]\n", + bi->nid, bi->start, bi->end - 1, + bj->start, bj->end - 1); } /* @@ -320,9 +320,9 @@ int __init numa_cleanup_meminfo(struct numa_meminfo *mi) } if (k < mi->nr_blks) continue; - printk(KERN_INFO "NUMA: Node %d [%Lx,%Lx) + [%Lx,%Lx) -> [%Lx,%Lx)\n", - bi->nid, bi->start, bi->end, bj->start, bj->end, - start, end); + printk(KERN_INFO "NUMA: Node %d [mem %#010Lx-%#010Lx] + [mem %#010Lx-%#010Lx] -> [mem %#010Lx-%#010Lx]\n", + bi->nid, bi->start, bi->end - 1, bj->start, + bj->end - 1, start, end - 1); bi->start = start; bi->end = end; numa_remove_memblk_from(j--, mi); @@ -616,8 +616,8 @@ static int __init dummy_numa_init(void) { printk(KERN_INFO "%s\n", numa_off ? "NUMA turned off" : "No NUMA configuration found"); - printk(KERN_INFO "Faking a node at %016Lx-%016Lx\n", - 0LLU, PFN_PHYS(max_pfn)); + printk(KERN_INFO "Faking a node at [mem %#018Lx-%#018Lx]\n", + 0LLU, PFN_PHYS(max_pfn) - 1); node_set(0, numa_nodes_parsed); numa_add_memblk(0, 0, PFN_PHYS(max_pfn)); diff --git a/arch/x86/mm/numa_emulation.c b/arch/x86/mm/numa_emulation.c index 871dd886817..dbbbb47260c 100644 --- a/arch/x86/mm/numa_emulation.c +++ b/arch/x86/mm/numa_emulation.c @@ -68,8 +68,8 @@ static int __init emu_setup_memblk(struct numa_meminfo *ei, numa_remove_memblk_from(phys_blk, pi); } - printk(KERN_INFO "Faking node %d at %016Lx-%016Lx (%LuMB)\n", nid, - eb->start, eb->end, (eb->end - eb->start) >> 20); + printk(KERN_INFO "Faking node %d at [mem %#018Lx-%#018Lx] (%LuMB)\n", + nid, eb->start, eb->end - 1, (eb->end - eb->start) >> 20); return 0; } diff --git a/arch/x86/mm/pat.c b/arch/x86/mm/pat.c index f6ff57b7efa..3d68ef6d226 100644 --- a/arch/x86/mm/pat.c +++ b/arch/x86/mm/pat.c @@ -158,31 +158,47 @@ static unsigned long pat_x_mtrr_type(u64 start, u64 end, unsigned long req_type) return req_type; } +struct pagerange_state { + unsigned long cur_pfn; + int ram; + int not_ram; +}; + +static int +pagerange_is_ram_callback(unsigned long initial_pfn, unsigned long total_nr_pages, void *arg) +{ + struct pagerange_state *state = arg; + + state->not_ram |= initial_pfn > state->cur_pfn; + state->ram |= total_nr_pages > 0; + state->cur_pfn = initial_pfn + total_nr_pages; + + return state->ram && state->not_ram; +} + static int pat_pagerange_is_ram(resource_size_t start, resource_size_t end) { - int ram_page = 0, not_rampage = 0; - unsigned long page_nr; + int ret = 0; + unsigned long start_pfn = start >> PAGE_SHIFT; + unsigned long end_pfn = (end + PAGE_SIZE - 1) >> PAGE_SHIFT; + struct pagerange_state state = {start_pfn, 0, 0}; - for (page_nr = (start >> PAGE_SHIFT); page_nr < (end >> PAGE_SHIFT); - ++page_nr) { - /* - * For legacy reasons, physical address range in the legacy ISA - * region is tracked as non-RAM. This will allow users of - * /dev/mem to map portions of legacy ISA region, even when - * some of those portions are listed(or not even listed) with - * different e820 types(RAM/reserved/..) - */ - if (page_nr >= (ISA_END_ADDRESS >> PAGE_SHIFT) && - page_is_ram(page_nr)) - ram_page = 1; - else - not_rampage = 1; - - if (ram_page == not_rampage) - return -1; + /* + * For legacy reasons, physical address range in the legacy ISA + * region is tracked as non-RAM. This will allow users of + * /dev/mem to map portions of legacy ISA region, even when + * some of those portions are listed(or not even listed) with + * different e820 types(RAM/reserved/..) + */ + if (start_pfn < ISA_END_ADDRESS >> PAGE_SHIFT) + start_pfn = ISA_END_ADDRESS >> PAGE_SHIFT; + + if (start_pfn < end_pfn) { + ret = walk_system_ram_range(start_pfn, end_pfn - start_pfn, + &state, pagerange_is_ram_callback); } - return ram_page; + return (ret > 0) ? -1 : (state.ram ? 1 : 0); } /* @@ -209,9 +225,8 @@ static int reserve_ram_pages_type(u64 start, u64 end, unsigned long req_type, page = pfn_to_page(pfn); type = get_page_memtype(page); if (type != -1) { - printk(KERN_INFO "reserve_ram_pages_type failed " - "0x%Lx-0x%Lx, track 0x%lx, req 0x%lx\n", - start, end, type, req_type); + printk(KERN_INFO "reserve_ram_pages_type failed [mem %#010Lx-%#010Lx], track 0x%lx, req 0x%lx\n", + start, end - 1, type, req_type); if (new_type) *new_type = type; @@ -314,9 +329,9 @@ int reserve_memtype(u64 start, u64 end, unsigned long req_type, err = rbt_memtype_check_insert(new, new_type); if (err) { - printk(KERN_INFO "reserve_memtype failed 0x%Lx-0x%Lx, " - "track %s, req %s\n", - start, end, cattr_name(new->type), cattr_name(req_type)); + printk(KERN_INFO "reserve_memtype failed [mem %#010Lx-%#010Lx], track %s, req %s\n", + start, end - 1, + cattr_name(new->type), cattr_name(req_type)); kfree(new); spin_unlock(&memtype_lock); @@ -325,8 +340,8 @@ int reserve_memtype(u64 start, u64 end, unsigned long req_type, spin_unlock(&memtype_lock); - dprintk("reserve_memtype added 0x%Lx-0x%Lx, track %s, req %s, ret %s\n", - start, end, cattr_name(new->type), cattr_name(req_type), + dprintk("reserve_memtype added [mem %#010Lx-%#010Lx], track %s, req %s, ret %s\n", + start, end - 1, cattr_name(new->type), cattr_name(req_type), new_type ? cattr_name(*new_type) : "-"); return err; @@ -360,14 +375,14 @@ int free_memtype(u64 start, u64 end) spin_unlock(&memtype_lock); if (!entry) { - printk(KERN_INFO "%s:%d freeing invalid memtype %Lx-%Lx\n", - current->comm, current->pid, start, end); + printk(KERN_INFO "%s:%d freeing invalid memtype [mem %#010Lx-%#010Lx]\n", + current->comm, current->pid, start, end - 1); return -EINVAL; } kfree(entry); - dprintk("free_memtype request 0x%Lx-0x%Lx\n", start, end); + dprintk("free_memtype request [mem %#010Lx-%#010Lx]\n", start, end - 1); return 0; } @@ -491,9 +506,8 @@ static inline int range_is_allowed(unsigned long pfn, unsigned long size) while (cursor < to) { if (!devmem_is_allowed(pfn)) { - printk(KERN_INFO - "Program %s tried to access /dev/mem between %Lx->%Lx.\n", - current->comm, from, to); + printk(KERN_INFO "Program %s tried to access /dev/mem between [mem %#010Lx-%#010Lx]\n", + current->comm, from, to - 1); return 0; } cursor += PAGE_SIZE; @@ -554,12 +568,11 @@ int kernel_map_sync_memtype(u64 base, unsigned long size, unsigned long flags) size; if (ioremap_change_attr((unsigned long)__va(base), id_sz, flags) < 0) { - printk(KERN_INFO - "%s:%d ioremap_change_attr failed %s " - "for %Lx-%Lx\n", + printk(KERN_INFO "%s:%d ioremap_change_attr failed %s " + "for [mem %#010Lx-%#010Lx]\n", current->comm, current->pid, cattr_name(flags), - base, (unsigned long long)(base + size)); + base, (unsigned long long)(base + size-1)); return -EINVAL; } return 0; @@ -591,12 +604,11 @@ static int reserve_pfn_range(u64 paddr, unsigned long size, pgprot_t *vma_prot, flags = lookup_memtype(paddr); if (want_flags != flags) { - printk(KERN_WARNING - "%s:%d map pfn RAM range req %s for %Lx-%Lx, got %s\n", + printk(KERN_WARNING "%s:%d map pfn RAM range req %s for [mem %#010Lx-%#010Lx], got %s\n", current->comm, current->pid, cattr_name(want_flags), (unsigned long long)paddr, - (unsigned long long)(paddr + size), + (unsigned long long)(paddr + size - 1), cattr_name(flags)); *vma_prot = __pgprot((pgprot_val(*vma_prot) & (~_PAGE_CACHE_MASK)) | @@ -614,11 +626,11 @@ static int reserve_pfn_range(u64 paddr, unsigned long size, pgprot_t *vma_prot, !is_new_memtype_allowed(paddr, size, want_flags, flags)) { free_memtype(paddr, paddr + size); printk(KERN_ERR "%s:%d map pfn expected mapping type %s" - " for %Lx-%Lx, got %s\n", + " for [mem %#010Lx-%#010Lx], got %s\n", current->comm, current->pid, cattr_name(want_flags), (unsigned long long)paddr, - (unsigned long long)(paddr + size), + (unsigned long long)(paddr + size - 1), cattr_name(flags)); return -EINVAL; } diff --git a/arch/x86/mm/srat.c b/arch/x86/mm/srat.c index efb5b4b9371..4599c3e8bcb 100644 --- a/arch/x86/mm/srat.c +++ b/arch/x86/mm/srat.c @@ -176,8 +176,11 @@ acpi_numa_memory_affinity_init(struct acpi_srat_mem_affinity *ma) return; } - printk(KERN_INFO "SRAT: Node %u PXM %u %Lx-%Lx\n", node, pxm, - start, end); + node_set(node, numa_nodes_parsed); + + printk(KERN_INFO "SRAT: Node %u PXM %u [mem %#010Lx-%#010Lx]\n", + node, pxm, + (unsigned long long) start, (unsigned long long) end - 1); } void __init acpi_numa_arch_fixup(void) {} diff --git a/arch/x86/platform/mrst/mrst.c b/arch/x86/platform/mrst/mrst.c index e31bcd8f2ee..fd41a9262d6 100644 --- a/arch/x86/platform/mrst/mrst.c +++ b/arch/x86/platform/mrst/mrst.c @@ -782,7 +782,7 @@ BLOCKING_NOTIFIER_HEAD(intel_scu_notifier); EXPORT_SYMBOL_GPL(intel_scu_notifier); /* Called by IPC driver */ -void intel_scu_devices_create(void) +void __devinit intel_scu_devices_create(void) { int i; diff --git a/arch/x86/platform/uv/tlb_uv.c b/arch/x86/platform/uv/tlb_uv.c index 3ae0e61abd2..59880afa851 100644 --- a/arch/x86/platform/uv/tlb_uv.c +++ b/arch/x86/platform/uv/tlb_uv.c @@ -1295,7 +1295,6 @@ static void __init enable_timeouts(void) */ mmr_image |= (1L << SOFTACK_MSHIFT); if (is_uv2_hub()) { - mmr_image &= ~(1L << UV2_LEG_SHFT); mmr_image |= (1L << UV2_EXT_SHFT); } write_mmr_misc_control(pnode, mmr_image); diff --git a/arch/x86/realmode/Makefile b/arch/x86/realmode/Makefile new file mode 100644 index 00000000000..94f7fbe97b0 --- /dev/null +++ b/arch/x86/realmode/Makefile @@ -0,0 +1,18 @@ +# +# arch/x86/realmode/Makefile +# +# This file is subject to the terms and conditions of the GNU General Public +# License. See the file "COPYING" in the main directory of this archive +# for more details. +# +# + +subdir- := rm + +obj-y += init.o +obj-y += rmpiggy.o + +$(obj)/rmpiggy.o: $(obj)/rm/realmode.bin + +$(obj)/rm/realmode.bin: FORCE + $(Q)$(MAKE) $(build)=$(obj)/rm $@ diff --git a/arch/x86/realmode/init.c b/arch/x86/realmode/init.c new file mode 100644 index 00000000000..cbca565af5b --- /dev/null +++ b/arch/x86/realmode/init.c @@ -0,0 +1,115 @@ +#include <linux/io.h> +#include <linux/memblock.h> + +#include <asm/cacheflush.h> +#include <asm/pgtable.h> +#include <asm/realmode.h> + +struct real_mode_header *real_mode_header; +u32 *trampoline_cr4_features; + +void __init setup_real_mode(void) +{ + phys_addr_t mem; + u16 real_mode_seg; + u32 *rel; + u32 count; + u32 *ptr; + u16 *seg; + int i; + unsigned char *base; + struct trampoline_header *trampoline_header; + size_t size = PAGE_ALIGN(real_mode_blob_end - real_mode_blob); +#ifdef CONFIG_X86_64 + u64 *trampoline_pgd; + u64 efer; +#endif + + /* Has to be in very low memory so we can execute real-mode AP code. */ + mem = memblock_find_in_range(0, 1<<20, size, PAGE_SIZE); + if (!mem) + panic("Cannot allocate trampoline\n"); + + base = __va(mem); + memblock_reserve(mem, size); + real_mode_header = (struct real_mode_header *) base; + printk(KERN_DEBUG "Base memory trampoline at [%p] %llx size %zu\n", + base, (unsigned long long)mem, size); + + memcpy(base, real_mode_blob, size); + + real_mode_seg = __pa(base) >> 4; + rel = (u32 *) real_mode_relocs; + + /* 16-bit segment relocations. */ + count = rel[0]; + rel = &rel[1]; + for (i = 0; i < count; i++) { + seg = (u16 *) (base + rel[i]); + *seg = real_mode_seg; + } + + /* 32-bit linear relocations. */ + count = rel[i]; + rel = &rel[i + 1]; + for (i = 0; i < count; i++) { + ptr = (u32 *) (base + rel[i]); + *ptr += __pa(base); + } + + /* Must be perfomed *after* relocation. */ + trampoline_header = (struct trampoline_header *) + __va(real_mode_header->trampoline_header); + +#ifdef CONFIG_X86_32 + trampoline_header->start = __pa(startup_32_smp); + trampoline_header->gdt_limit = __BOOT_DS + 7; + trampoline_header->gdt_base = __pa(boot_gdt); +#else + /* + * Some AMD processors will #GP(0) if EFER.LMA is set in WRMSR + * so we need to mask it out. + */ + rdmsrl(MSR_EFER, efer); + trampoline_header->efer = efer & ~EFER_LMA; + + trampoline_header->start = (u64) secondary_startup_64; + trampoline_cr4_features = &trampoline_header->cr4; + *trampoline_cr4_features = read_cr4(); + + trampoline_pgd = (u64 *) __va(real_mode_header->trampoline_pgd); + trampoline_pgd[0] = __pa(level3_ident_pgt) + _KERNPG_TABLE; + trampoline_pgd[511] = __pa(level3_kernel_pgt) + _KERNPG_TABLE; +#endif +} + +/* + * set_real_mode_permissions() gets called very early, to guarantee the + * availability of low memory. This is before the proper kernel page + * tables are set up, so we cannot set page permissions in that + * function. Thus, we use an arch_initcall instead. + */ +static int __init set_real_mode_permissions(void) +{ + unsigned char *base = (unsigned char *) real_mode_header; + size_t size = PAGE_ALIGN(real_mode_blob_end - real_mode_blob); + + size_t ro_size = + PAGE_ALIGN(real_mode_header->ro_end) - + __pa(base); + + size_t text_size = + PAGE_ALIGN(real_mode_header->ro_end) - + real_mode_header->text_start; + + unsigned long text_start = + (unsigned long) __va(real_mode_header->text_start); + + set_memory_nx((unsigned long) base, size >> PAGE_SHIFT); + set_memory_ro((unsigned long) base, ro_size >> PAGE_SHIFT); + set_memory_x((unsigned long) text_start, text_size >> PAGE_SHIFT); + + return 0; +} + +arch_initcall(set_real_mode_permissions); diff --git a/arch/x86/realmode/rm/.gitignore b/arch/x86/realmode/rm/.gitignore new file mode 100644 index 00000000000..b6ed3a2555c --- /dev/null +++ b/arch/x86/realmode/rm/.gitignore @@ -0,0 +1,3 @@ +pasyms.h +realmode.lds +realmode.relocs diff --git a/arch/x86/realmode/rm/Makefile b/arch/x86/realmode/rm/Makefile new file mode 100644 index 00000000000..5b84a2d3088 --- /dev/null +++ b/arch/x86/realmode/rm/Makefile @@ -0,0 +1,82 @@ +# +# arch/x86/realmode/Makefile +# +# This file is subject to the terms and conditions of the GNU General Public +# License. See the file "COPYING" in the main directory of this archive +# for more details. +# +# + +always := realmode.bin realmode.relocs + +wakeup-objs := wakeup_asm.o wakemain.o video-mode.o +wakeup-objs += copy.o bioscall.o regs.o +# The link order of the video-*.o modules can matter. In particular, +# video-vga.o *must* be listed first, followed by video-vesa.o. +# Hardware-specific drivers should follow in the order they should be +# probed, and video-bios.o should typically be last. +wakeup-objs += video-vga.o +wakeup-objs += video-vesa.o +wakeup-objs += video-bios.o + +realmode-y += header.o +realmode-y += trampoline_$(BITS).o +realmode-y += stack.o +realmode-$(CONFIG_X86_32) += reboot_32.o +realmode-$(CONFIG_ACPI_SLEEP) += $(wakeup-objs) + +targets += $(realmode-y) + +REALMODE_OBJS = $(addprefix $(obj)/,$(realmode-y)) + +sed-pasyms := -n -r -e 's/^([0-9a-fA-F]+) [ABCDGRSTVW] (.+)$$/pa_\2 = \2;/p' + +quiet_cmd_pasyms = PASYMS $@ + cmd_pasyms = $(NM) $(filter-out FORCE,$^) | \ + sed $(sed-pasyms) | sort | uniq > $@ + +targets += pasyms.h +$(obj)/pasyms.h: $(REALMODE_OBJS) FORCE + $(call if_changed,pasyms) + +targets += realmode.lds +$(obj)/realmode.lds: $(obj)/pasyms.h + +LDFLAGS_realmode.elf := --emit-relocs -T +CPPFLAGS_realmode.lds += -P -C -I$(obj) + +targets += realmode.elf +$(obj)/realmode.elf: $(obj)/realmode.lds $(REALMODE_OBJS) FORCE + $(call if_changed,ld) + +OBJCOPYFLAGS_realmode.bin := -O binary + +targets += realmode.bin +$(obj)/realmode.bin: $(obj)/realmode.elf $(obj)/realmode.relocs + $(call if_changed,objcopy) + +quiet_cmd_relocs = RELOCS $@ + cmd_relocs = arch/x86/tools/relocs --realmode $< > $@ + +targets += realmode.relocs +$(obj)/realmode.relocs: $(obj)/realmode.elf FORCE + $(call if_changed,relocs) + +# --------------------------------------------------------------------------- + +# How to compile the 16-bit code. Note we always compile for -march=i386, +# that way we can complain to the user if the CPU is insufficient. +KBUILD_CFLAGS := $(LINUXINCLUDE) -m32 -g -Os -D_SETUP -D__KERNEL__ -D_WAKEUP \ + -I$(srctree)/arch/x86/boot \ + -DDISABLE_BRANCH_PROFILING \ + -Wall -Wstrict-prototypes \ + -march=i386 -mregparm=3 \ + -include $(srctree)/$(src)/../../boot/code16gcc.h \ + -fno-strict-aliasing -fomit-frame-pointer \ + $(call cc-option, -ffreestanding) \ + $(call cc-option, -fno-toplevel-reorder,\ + $(call cc-option, -fno-unit-at-a-time)) \ + $(call cc-option, -fno-stack-protector) \ + $(call cc-option, -mpreferred-stack-boundary=2) +KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__ +GCOV_PROFILE := n diff --git a/arch/x86/realmode/rm/bioscall.S b/arch/x86/realmode/rm/bioscall.S new file mode 100644 index 00000000000..16162d19791 --- /dev/null +++ b/arch/x86/realmode/rm/bioscall.S @@ -0,0 +1 @@ +#include "../../boot/bioscall.S" diff --git a/arch/x86/realmode/rm/copy.S b/arch/x86/realmode/rm/copy.S new file mode 100644 index 00000000000..b785e6f38fd --- /dev/null +++ b/arch/x86/realmode/rm/copy.S @@ -0,0 +1 @@ +#include "../../boot/copy.S" diff --git a/arch/x86/realmode/rm/header.S b/arch/x86/realmode/rm/header.S new file mode 100644 index 00000000000..fadf48378ad --- /dev/null +++ b/arch/x86/realmode/rm/header.S @@ -0,0 +1,41 @@ +/* + * Real-mode blob header; this should match realmode.h and be + * readonly; for mutable data instead add pointers into the .data + * or .bss sections as appropriate. + */ + +#include <linux/linkage.h> +#include <asm/page_types.h> + +#include "realmode.h" + + .section ".header", "a" + + .balign 16 +GLOBAL(real_mode_header) + .long pa_text_start + .long pa_ro_end + /* SMP trampoline */ + .long pa_trampoline_start + .long pa_trampoline_status + .long pa_trampoline_header +#ifdef CONFIG_X86_64 + .long pa_trampoline_pgd; +#endif + /* ACPI S3 wakeup */ +#ifdef CONFIG_ACPI_SLEEP + .long pa_wakeup_start + .long pa_wakeup_header +#endif + /* APM/BIOS reboot */ +#ifdef CONFIG_X86_32 + .long pa_machine_real_restart_asm +#endif +END(real_mode_header) + + /* End signature, used to verify integrity */ + .section ".signature","a" + .balign 4 +GLOBAL(end_signature) + .long REALMODE_END_SIGNATURE +END(end_signature) diff --git a/arch/x86/realmode/rm/realmode.h b/arch/x86/realmode/rm/realmode.h new file mode 100644 index 00000000000..d74cff6350e --- /dev/null +++ b/arch/x86/realmode/rm/realmode.h @@ -0,0 +1,21 @@ +#ifndef ARCH_X86_REALMODE_RM_REALMODE_H +#define ARCH_X86_REALMODE_RM_REALMODE_H + +#ifdef __ASSEMBLY__ + +/* + * 16-bit ljmpw to the real_mode_seg + * + * This must be open-coded since gas will choke on using a + * relocatable symbol for the segment portion. + */ +#define LJMPW_RM(to) .byte 0xea ; .word (to), real_mode_seg + +#endif /* __ASSEMBLY__ */ + +/* + * Signature at the end of the realmode region + */ +#define REALMODE_END_SIGNATURE 0x65a22c82 + +#endif /* ARCH_X86_REALMODE_RM_REALMODE_H */ diff --git a/arch/x86/realmode/rm/realmode.lds.S b/arch/x86/realmode/rm/realmode.lds.S new file mode 100644 index 00000000000..86b2e8d6b1f --- /dev/null +++ b/arch/x86/realmode/rm/realmode.lds.S @@ -0,0 +1,76 @@ +/* + * realmode.lds.S + * + * Linker script for the real-mode code + */ + +#include <asm/page_types.h> + +#undef i386 + +OUTPUT_FORMAT("elf32-i386", "elf32-i386", "elf32-i386") +OUTPUT_ARCH(i386) + +SECTIONS +{ + real_mode_seg = 0; + + . = 0; + .header : { + pa_real_mode_base = .; + *(.header) + } + + . = ALIGN(4); + .rodata : { + *(.rodata) + *(.rodata.*) + . = ALIGN(16); + video_cards = .; + *(.videocards) + video_cards_end = .; + } + + . = ALIGN(PAGE_SIZE); + pa_text_start = .; + .text : { + *(.text) + *(.text.*) + } + + .text32 : { + *(.text32) + *(.text32.*) + } + + .text64 : { + *(.text64) + *(.text64.*) + } + pa_ro_end = .; + + . = ALIGN(PAGE_SIZE); + .data : { + *(.data) + *(.data.*) + } + + . = ALIGN(128); + .bss : { + *(.bss*) + } + + /* End signature for integrity checking */ + . = ALIGN(4); + .signature : { + *(.signature) + } + + /DISCARD/ : { + *(.note*) + *(.debug*) + *(.eh_frame*) + } + +#include "pasyms.h" +} diff --git a/arch/x86/kernel/reboot_32.S b/arch/x86/realmode/rm/reboot_32.S index 1d5c46df0d7..114044876b3 100644 --- a/arch/x86/kernel/reboot_32.S +++ b/arch/x86/realmode/rm/reboot_32.S @@ -2,6 +2,7 @@ #include <linux/init.h> #include <asm/segment.h> #include <asm/page_types.h> +#include "realmode.h" /* * The following code and data reboots the machine by switching to real @@ -13,34 +14,20 @@ * * This code is called with the restart type (0 = BIOS, 1 = APM) in %eax. */ - .section ".x86_trampoline","a" - .balign 16 + .section ".text32", "ax" .code32 -ENTRY(machine_real_restart_asm) -r_base = . - /* Get our own relocated address */ - call 1f -1: popl %ebx - subl $(1b - r_base), %ebx - - /* Compute the equivalent real-mode segment */ - movl %ebx, %ecx - shrl $4, %ecx - - /* Patch post-real-mode segment jump */ - movw (dispatch_table - r_base)(%ebx,%eax,2),%ax - movw %ax, (101f - r_base)(%ebx) - movw %cx, (102f - r_base)(%ebx) + .balign 16 +ENTRY(machine_real_restart_asm) /* Set up the IDT for real mode. */ - lidtl (machine_real_restart_idt - r_base)(%ebx) + lidtl pa_machine_real_restart_idt /* * Set up a GDT from which we can load segment descriptors for real * mode. The GDT is not used in real mode; it is just needed here to * prepare the descriptors. */ - lgdtl (machine_real_restart_gdt - r_base)(%ebx) + lgdtl pa_machine_real_restart_gdt /* * Load the data segment registers with 16-bit compatible values @@ -51,7 +38,7 @@ r_base = . movl %ecx, %fs movl %ecx, %gs movl %ecx, %ss - ljmpl $8, $1f - r_base + ljmpw $8, $1f /* * This is 16-bit protected mode code to disable paging and the cache, @@ -76,27 +63,29 @@ r_base = . * * Most of this work is probably excessive, but it is what is tested. */ + .text .code16 + + .balign 16 +machine_real_restart_asm16: 1: xorl %ecx, %ecx - movl %cr0, %eax - andl $0x00000011, %eax - orl $0x60000000, %eax - movl %eax, %cr0 + movl %cr0, %edx + andl $0x00000011, %edx + orl $0x60000000, %edx + movl %edx, %cr0 movl %ecx, %cr3 movl %cr0, %edx - andl $0x60000000, %edx /* If no cache bits -> no wbinvd */ + testl $0x60000000, %edx /* If no cache bits -> no wbinvd */ jz 2f wbinvd 2: - andb $0x10, %al - movl %eax, %cr0 - .byte 0xea /* ljmpw */ -101: .word 0 /* Offset */ -102: .word 0 /* Segment */ - -bios: - ljmpw $0xf000, $0xfff0 + andb $0x10, %dl + movl %edx, %cr0 + LJMPW_RM(3f) +3: + andw %ax, %ax + jz bios apm: movw $0x1000, %ax @@ -106,26 +95,34 @@ apm: movw $0x0001, %bx movw $0x0003, %cx int $0x15 + /* This should never return... */ -END(machine_real_restart_asm) +bios: + ljmpw $0xf000, $0xfff0 - .balign 16 - /* These must match <asm/reboot.h */ -dispatch_table: - .word bios - r_base - .word apm - r_base -END(dispatch_table) + .section ".rodata", "a" - .balign 16 -machine_real_restart_idt: + .balign 16 +GLOBAL(machine_real_restart_idt) .word 0xffff /* Length - real mode default value */ .long 0 /* Base - real mode default value */ END(machine_real_restart_idt) - .balign 16 -ENTRY(machine_real_restart_gdt) - .quad 0 /* Self-pointer, filled in by PM code */ - .quad 0 /* 16-bit code segment, filled in by PM code */ + .balign 16 +GLOBAL(machine_real_restart_gdt) + /* Self-pointer */ + .word 0xffff /* Length - real mode default value */ + .long pa_machine_real_restart_gdt + .word 0 + + /* + * 16-bit code segment pointing to real_mode_seg + * Selector value 8 + */ + .word 0xffff /* Limit */ + .long 0x9b000000 + pa_real_mode_base + .word 0 + /* * 16-bit data segment with the selector value 16 = 0x10 and * base value 0x100; since this is consistent with real mode diff --git a/arch/x86/realmode/rm/regs.c b/arch/x86/realmode/rm/regs.c new file mode 100644 index 00000000000..fbb15b9f9ca --- /dev/null +++ b/arch/x86/realmode/rm/regs.c @@ -0,0 +1 @@ +#include "../../boot/regs.c" diff --git a/arch/x86/realmode/rm/stack.S b/arch/x86/realmode/rm/stack.S new file mode 100644 index 00000000000..867ae87adfa --- /dev/null +++ b/arch/x86/realmode/rm/stack.S @@ -0,0 +1,19 @@ +/* + * Common heap and stack allocations + */ + +#include <linux/linkage.h> + + .data +GLOBAL(HEAP) + .long rm_heap +GLOBAL(heap_end) + .long rm_stack + + .bss + .balign 16 +GLOBAL(rm_heap) + .space 2048 +GLOBAL(rm_stack) + .space 2048 +GLOBAL(rm_stack_end) diff --git a/arch/x86/realmode/rm/trampoline_32.S b/arch/x86/realmode/rm/trampoline_32.S new file mode 100644 index 00000000000..c1b2791183e --- /dev/null +++ b/arch/x86/realmode/rm/trampoline_32.S @@ -0,0 +1,74 @@ +/* + * + * Trampoline.S Derived from Setup.S by Linus Torvalds + * + * 4 Jan 1997 Michael Chastain: changed to gnu as. + * + * This is only used for booting secondary CPUs in SMP machine + * + * Entry: CS:IP point to the start of our code, we are + * in real mode with no stack, but the rest of the + * trampoline page to make our stack and everything else + * is a mystery. + * + * We jump into arch/x86/kernel/head_32.S. + * + * On entry to trampoline_start, the processor is in real mode + * with 16-bit addressing and 16-bit data. CS has some value + * and IP is zero. Thus, we load CS to the physical segment + * of the real mode code before doing anything further. + */ + +#include <linux/linkage.h> +#include <linux/init.h> +#include <asm/segment.h> +#include <asm/page_types.h> +#include "realmode.h" + + .text + .code16 + + .balign PAGE_SIZE +ENTRY(trampoline_start) + wbinvd # Needed for NUMA-Q should be harmless for others + + LJMPW_RM(1f) +1: + mov %cs, %ax # Code and data in the same place + mov %ax, %ds + + cli # We should be safe anyway + + movl tr_start, %eax # where we need to go + + movl $0xA5A5A5A5, trampoline_status + # write marker for master knows we're running + + /* + * GDT tables in non default location kernel can be beyond 16MB and + * lgdt will not be able to load the address as in real mode default + * operand size is 16bit. Use lgdtl instead to force operand size + * to 32 bit. + */ + lidtl tr_idt # load idt with 0, 0 + lgdtl tr_gdt # load gdt with whatever is appropriate + + movw $1, %dx # protected mode (PE) bit + lmsw %dx # into protected mode + + ljmpl $__BOOT_CS, $pa_startup_32 + + .section ".text32","ax" + .code32 +ENTRY(startup_32) # note: also used from wakeup_asm.S + jmp *%eax + + .bss + .balign 8 +GLOBAL(trampoline_header) + tr_start: .space 4 + tr_gdt_pad: .space 2 + tr_gdt: .space 6 +END(trampoline_header) + +#include "trampoline_common.S" diff --git a/arch/x86/kernel/trampoline_64.S b/arch/x86/realmode/rm/trampoline_64.S index 09ff51799e9..bb360dc39d2 100644 --- a/arch/x86/kernel/trampoline_64.S +++ b/arch/x86/realmode/rm/trampoline_64.S @@ -5,12 +5,12 @@ * 4 Jan 1997 Michael Chastain: changed to gnu as. * 15 Sept 2005 Eric Biederman: 64bit PIC support * - * Entry: CS:IP point to the start of our code, we are - * in real mode with no stack, but the rest of the + * Entry: CS:IP point to the start of our code, we are + * in real mode with no stack, but the rest of the * trampoline page to make our stack and everything else * is a mystery. * - * On entry to trampoline_data, the processor is in real mode + * On entry to trampoline_start, the processor is in real mode * with 16-bit addressing and 16-bit data. CS has some value * and IP is zero. Thus, data addresses need to be absolute * (no relocation) and are taken with regard to r_base. @@ -31,43 +31,33 @@ #include <asm/msr.h> #include <asm/segment.h> #include <asm/processor-flags.h> +#include "realmode.h" - .section ".x86_trampoline","a" - .balign PAGE_SIZE + .text .code16 -ENTRY(trampoline_data) -r_base = . + .balign PAGE_SIZE +ENTRY(trampoline_start) cli # We should be safe anyway wbinvd + + LJMPW_RM(1f) +1: mov %cs, %ax # Code and data in the same place mov %ax, %ds mov %ax, %es mov %ax, %ss + movl $0xA5A5A5A5, trampoline_status + # write marker for master knows we're running - movl $0xA5A5A5A5, trampoline_status - r_base - # write marker for master knows we're running - - # Setup stack - movw $(trampoline_stack_end - r_base), %sp + # Setup stack + movl $rm_stack_end, %esp call verify_cpu # Verify the cpu supports long mode testl %eax, %eax # Check for return code jnz no_longmode - mov %cs, %ax - movzx %ax, %esi # Find the 32bit trampoline location - shll $4, %esi - - # Fixup the absolute vectors - leal (startup_32 - r_base)(%esi), %eax - movl %eax, startup_32_vector - r_base - leal (startup_64 - r_base)(%esi), %eax - movl %eax, startup_64_vector - r_base - leal (tgdt - r_base)(%esi), %eax - movl %eax, (tgdt + 2 - r_base) - /* * GDT tables in non default location kernel can be beyond 16MB and * lgdt will not be able to load the address as in real mode default @@ -75,36 +65,49 @@ r_base = . * to 32 bit. */ - lidtl tidt - r_base # load idt with 0, 0 - lgdtl tgdt - r_base # load gdt with whatever is appropriate + lidtl tr_idt # load idt with 0, 0 + lgdtl tr_gdt # load gdt with whatever is appropriate + + movw $__KERNEL_DS, %dx # Data segment descriptor - mov $X86_CR0_PE, %ax # protected mode (PE) bit - lmsw %ax # into protected mode + # Enable protected mode + movl $X86_CR0_PE, %eax # protected mode (PE) bit + movl %eax, %cr0 # into protected mode # flush prefetch and jump to startup_32 - ljmpl *(startup_32_vector - r_base) + ljmpl $__KERNEL32_CS, $pa_startup_32 +no_longmode: + hlt + jmp no_longmode +#include "../kernel/verify_cpu.S" + + .section ".text32","ax" .code32 .balign 4 -startup_32: - movl $__KERNEL_DS, %eax # Initialize the %ds segment register - movl %eax, %ds - - movl $X86_CR4_PAE, %eax +ENTRY(startup_32) + movl %edx, %ss + addl $pa_real_mode_base, %esp + movl %edx, %ds + movl %edx, %es + movl %edx, %fs + movl %edx, %gs + + movl pa_tr_cr4, %eax movl %eax, %cr4 # Enable PAE mode - # Setup trampoline 4 level pagetables - leal (trampoline_level4_pgt - r_base)(%esi), %eax + # Setup trampoline 4 level pagetables + movl $pa_trampoline_pgd, %eax movl %eax, %cr3 + # Set up EFER + movl pa_tr_efer, %eax + movl pa_tr_efer + 4, %edx movl $MSR_EFER, %ecx - movl $(1 << _EFER_LME), %eax # Enable Long Mode - xorl %edx, %edx wrmsr # Enable paging and in turn activate Long Mode - # Enable protected mode - movl $(X86_CR0_PG | X86_CR0_PE), %eax + movl $(X86_CR0_PG | X86_CR0_WP | X86_CR0_PE), %eax movl %eax, %cr0 /* @@ -113,59 +116,38 @@ startup_32: * EFER.LMA = 1). Now we want to jump in 64bit mode, to do that we use * the new gdt/idt that has __KERNEL_CS with CS.L = 1. */ - ljmp *(startup_64_vector - r_base)(%esi) + ljmpl $__KERNEL_CS, $pa_startup_64 + .section ".text64","ax" .code64 .balign 4 -startup_64: +ENTRY(startup_64) # Now jump into the kernel using virtual addresses - movq $secondary_startup_64, %rax - jmp *%rax - - .code16 -no_longmode: - hlt - jmp no_longmode -#include "verify_cpu.S" - - .balign 4 - # Careful these need to be in the same 64K segment as the above; -tidt: - .word 0 # idt limit = 0 - .word 0, 0 # idt base = 0L + jmpq *tr_start(%rip) + .section ".rodata","a" # Duplicate the global descriptor table # so the kernel can live anywhere - .balign 4 -tgdt: - .short tgdt_end - tgdt # gdt limit - .long tgdt - r_base - .short 0 + .balign 16 + .globl tr_gdt +tr_gdt: + .short tr_gdt_end - tr_gdt - 1 # gdt limit + .long pa_tr_gdt + .short 0 .quad 0x00cf9b000000ffff # __KERNEL32_CS .quad 0x00af9b000000ffff # __KERNEL_CS .quad 0x00cf93000000ffff # __KERNEL_DS -tgdt_end: +tr_gdt_end: - .balign 4 -startup_32_vector: - .long startup_32 - r_base - .word __KERNEL32_CS, 0 + .bss + .balign PAGE_SIZE +GLOBAL(trampoline_pgd) .space PAGE_SIZE - .balign 4 -startup_64_vector: - .long startup_64 - r_base - .word __KERNEL_CS, 0 + .balign 8 +GLOBAL(trampoline_header) + tr_start: .space 8 + GLOBAL(tr_efer) .space 8 + GLOBAL(tr_cr4) .space 4 +END(trampoline_header) - .balign 4 -ENTRY(trampoline_status) - .long 0 - -trampoline_stack: - .org 0x1000 -trampoline_stack_end: -ENTRY(trampoline_level4_pgt) - .quad level3_ident_pgt - __START_KERNEL_map + _KERNPG_TABLE - .fill 510,8,0 - .quad level3_kernel_pgt - __START_KERNEL_map + _KERNPG_TABLE - -ENTRY(trampoline_end) +#include "trampoline_common.S" diff --git a/arch/x86/realmode/rm/trampoline_common.S b/arch/x86/realmode/rm/trampoline_common.S new file mode 100644 index 00000000000..b1ecdb9692a --- /dev/null +++ b/arch/x86/realmode/rm/trampoline_common.S @@ -0,0 +1,7 @@ + .section ".rodata","a" + .balign 16 +tr_idt: .fill 1, 6, 0 + + .bss + .balign 4 +GLOBAL(trampoline_status) .space 4 diff --git a/arch/x86/realmode/rm/video-bios.c b/arch/x86/realmode/rm/video-bios.c new file mode 100644 index 00000000000..848b25aaf11 --- /dev/null +++ b/arch/x86/realmode/rm/video-bios.c @@ -0,0 +1 @@ +#include "../../boot/video-bios.c" diff --git a/arch/x86/realmode/rm/video-mode.c b/arch/x86/realmode/rm/video-mode.c new file mode 100644 index 00000000000..2a98b7e2368 --- /dev/null +++ b/arch/x86/realmode/rm/video-mode.c @@ -0,0 +1 @@ +#include "../../boot/video-mode.c" diff --git a/arch/x86/realmode/rm/video-vesa.c b/arch/x86/realmode/rm/video-vesa.c new file mode 100644 index 00000000000..413edddb51e --- /dev/null +++ b/arch/x86/realmode/rm/video-vesa.c @@ -0,0 +1 @@ +#include "../../boot/video-vesa.c" diff --git a/arch/x86/realmode/rm/video-vga.c b/arch/x86/realmode/rm/video-vga.c new file mode 100644 index 00000000000..3085f5c9d28 --- /dev/null +++ b/arch/x86/realmode/rm/video-vga.c @@ -0,0 +1 @@ +#include "../../boot/video-vga.c" diff --git a/arch/x86/kernel/acpi/realmode/wakemain.c b/arch/x86/realmode/rm/wakemain.c index 883962d9eef..91405d515ec 100644 --- a/arch/x86/kernel/acpi/realmode/wakemain.c +++ b/arch/x86/realmode/rm/wakemain.c @@ -65,7 +65,8 @@ void main(void) { /* Kill machine if structures are wrong */ if (wakeup_header.real_magic != 0x12345678) - while (1); + while (1) + ; if (wakeup_header.realmode_flags & 4) send_morse("...-"); diff --git a/arch/x86/kernel/acpi/realmode/wakeup.h b/arch/x86/realmode/rm/wakeup.h index 97a29e1430e..9317e0042f2 100644 --- a/arch/x86/kernel/acpi/realmode/wakeup.h +++ b/arch/x86/realmode/rm/wakeup.h @@ -12,9 +12,8 @@ /* This must match data at wakeup.S */ struct wakeup_header { u16 video_mode; /* Video mode number */ - u16 _jmp1; /* ljmpl opcode, 32-bit only */ u32 pmode_entry; /* Protected mode resume point, 32-bit only */ - u16 _jmp2; /* CS value, 32-bit only */ + u16 pmode_cs; u32 pmode_cr0; /* Protected mode cr0 */ u32 pmode_cr3; /* Protected mode cr3 */ u32 pmode_cr4; /* Protected mode cr4 */ @@ -26,12 +25,6 @@ struct wakeup_header { u32 pmode_behavior; /* Wakeup routine behavior flags */ u32 realmode_flags; u32 real_magic; - u16 trampoline_segment; /* segment with trampoline code, 64-bit only */ - u8 _pad1; - u8 wakeup_jmp; - u16 wakeup_jmp_off; - u16 wakeup_jmp_seg; - u64 wakeup_gdt[3]; u32 signature; /* To check we have correct structure */ } __attribute__((__packed__)); @@ -40,7 +33,6 @@ extern struct wakeup_header wakeup_header; #define WAKEUP_HEADER_OFFSET 8 #define WAKEUP_HEADER_SIGNATURE 0x51ee1111 -#define WAKEUP_END_SIGNATURE 0x65a22c82 /* Wakeup behavior bits */ #define WAKEUP_BEHAVIOR_RESTORE_MISC_ENABLE 0 diff --git a/arch/x86/kernel/acpi/realmode/wakeup.S b/arch/x86/realmode/rm/wakeup_asm.S index b4fd836e405..8905166b0bb 100644 --- a/arch/x86/kernel/acpi/realmode/wakeup.S +++ b/arch/x86/realmode/rm/wakeup_asm.S @@ -1,50 +1,47 @@ /* * ACPI wakeup real mode startup stub */ +#include <linux/linkage.h> #include <asm/segment.h> #include <asm/msr-index.h> #include <asm/page_types.h> #include <asm/pgtable_types.h> #include <asm/processor-flags.h> +#include "realmode.h" #include "wakeup.h" .code16 - .section ".jump", "ax" - .globl _start -_start: - cli - jmp wakeup_code /* This should match the structure in wakeup.h */ - .section ".header", "a" - .globl wakeup_header -wakeup_header: -video_mode: .short 0 /* Video mode number */ -pmode_return: .byte 0x66, 0xea /* ljmpl */ - .long 0 /* offset goes here */ - .short __KERNEL_CS -pmode_cr0: .long 0 /* Saved %cr0 */ -pmode_cr3: .long 0 /* Saved %cr3 */ -pmode_cr4: .long 0 /* Saved %cr4 */ -pmode_efer: .quad 0 /* Saved EFER */ -pmode_gdt: .quad 0 -pmode_misc_en: .quad 0 /* Saved MISC_ENABLE MSR */ -pmode_behavior: .long 0 /* Wakeup behavior flags */ -realmode_flags: .long 0 -real_magic: .long 0 -trampoline_segment: .word 0 -_pad1: .byte 0 -wakeup_jmp: .byte 0xea /* ljmpw */ -wakeup_jmp_off: .word 3f -wakeup_jmp_seg: .word 0 -wakeup_gdt: .quad 0, 0, 0 -signature: .long WAKEUP_HEADER_SIGNATURE + .section ".data", "aw" + + .balign 16 +GLOBAL(wakeup_header) + video_mode: .short 0 /* Video mode number */ + pmode_entry: .long 0 + pmode_cs: .short __KERNEL_CS + pmode_cr0: .long 0 /* Saved %cr0 */ + pmode_cr3: .long 0 /* Saved %cr3 */ + pmode_cr4: .long 0 /* Saved %cr4 */ + pmode_efer: .quad 0 /* Saved EFER */ + pmode_gdt: .quad 0 + pmode_misc_en: .quad 0 /* Saved MISC_ENABLE MSR */ + pmode_behavior: .long 0 /* Wakeup behavior flags */ + realmode_flags: .long 0 + real_magic: .long 0 + signature: .long WAKEUP_HEADER_SIGNATURE +END(wakeup_header) .text .code16 -wakeup_code: + + .balign 16 +ENTRY(wakeup_start) + cli cld + LJMPW_RM(3f) +3: /* Apparently some dimwit BIOS programmers don't know how to program a PM to RM transition, and we might end up here with junk in the data segment descriptor registers. The only way @@ -54,8 +51,7 @@ wakeup_code: movl %cr0, %eax orb $X86_CR0_PE, %al movl %eax, %cr0 - jmp 1f -1: ljmpw $8, $2f + ljmpw $8, $2f 2: movw %cx, %ds movw %cx, %es @@ -65,16 +61,18 @@ wakeup_code: andb $~X86_CR0_PE, %al movl %eax, %cr0 - jmp wakeup_jmp + LJMPW_RM(3f) 3: /* Set up segments */ movw %cs, %ax + movw %ax, %ss + movl $rm_stack_end, %esp movw %ax, %ds movw %ax, %es - movw %ax, %ss - lidtl wakeup_idt + movw %ax, %fs + movw %ax, %gs - movl $wakeup_stack_end, %esp + lidtl wakeup_idt /* Clear the EFLAGS */ pushl $0 @@ -87,7 +85,7 @@ wakeup_code: /* Check we really have everything... */ movl end_signature, %eax - cmpl $WAKEUP_END_SIGNATURE, %eax + cmpl $REALMODE_END_SIGNATURE, %eax jne bogus_real_magic /* Call the C code */ @@ -128,14 +126,13 @@ wakeup_code: lgdtl pmode_gdt /* This really couldn't... */ - movl pmode_cr0, %eax - movl %eax, %cr0 - jmp pmode_return + movl pmode_entry, %eax + movl pmode_cr0, %ecx + movl %ecx, %cr0 + ljmpl $__KERNEL_CS, $pa_startup_32 + /* -> jmp *%eax in trampoline_32.S */ #else - pushw $0 - pushw trampoline_segment - pushw $0 - lret + jmp trampoline_start #endif bogus_real_magic: @@ -143,28 +140,38 @@ bogus_real_magic: hlt jmp 1b - .data + .section ".rodata","a" + + /* + * Set up the wakeup GDT. We set these up as Big Real Mode, + * that is, with limits set to 4 GB. At least the Lenovo + * Thinkpad X61 is known to need this for the video BIOS + * initialization quirk to work; this is likely to also + * be the case for other laptops or integrated video devices. + */ + + .balign 16 +GLOBAL(wakeup_gdt) + .word 3*8-1 /* Self-descriptor */ + .long pa_wakeup_gdt + .word 0 + + .word 0xffff /* 16-bit code segment @ real_mode_base */ + .long 0x9b000000 + pa_real_mode_base + .word 0x008f /* big real mode */ + + .word 0xffff /* 16-bit data segment @ real_mode_base */ + .long 0x93000000 + pa_real_mode_base + .word 0x008f /* big real mode */ +END(wakeup_gdt) + + .section ".rodata","a" .balign 8 /* This is the standard real-mode IDT */ -wakeup_idt: + .balign 16 +GLOBAL(wakeup_idt) .word 0xffff /* limit */ .long 0 /* address */ .word 0 - - .globl HEAP, heap_end -HEAP: - .long wakeup_heap -heap_end: - .long wakeup_stack - - .bss -wakeup_heap: - .space 2048 -wakeup_stack: - .space 2048 -wakeup_stack_end: - - .section ".signature","a" -end_signature: - .long WAKEUP_END_SIGNATURE +END(wakeup_idt) diff --git a/arch/x86/realmode/rmpiggy.S b/arch/x86/realmode/rmpiggy.S new file mode 100644 index 00000000000..204c6ece0e9 --- /dev/null +++ b/arch/x86/realmode/rmpiggy.S @@ -0,0 +1,20 @@ +/* + * Wrapper script for the realmode binary as a transport object + * before copying to low memory. + */ +#include <linux/linkage.h> +#include <asm/page_types.h> + + .section ".init.data","aw" + + .balign PAGE_SIZE + +GLOBAL(real_mode_blob) + .incbin "arch/x86/realmode/rm/realmode.bin" +END(real_mode_blob) + +GLOBAL(real_mode_blob_end); + +GLOBAL(real_mode_relocs) + .incbin "arch/x86/realmode/rm/realmode.relocs" +END(real_mode_relocs) diff --git a/arch/x86/syscalls/syscall_32.tbl b/arch/x86/syscalls/syscall_32.tbl index 29f9f0554f7..7a35a6e71d4 100644 --- a/arch/x86/syscalls/syscall_32.tbl +++ b/arch/x86/syscalls/syscall_32.tbl @@ -355,3 +355,4 @@ 346 i386 setns sys_setns 347 i386 process_vm_readv sys_process_vm_readv compat_sys_process_vm_readv 348 i386 process_vm_writev sys_process_vm_writev compat_sys_process_vm_writev +349 i386 kcmp sys_kcmp diff --git a/arch/x86/syscalls/syscall_64.tbl b/arch/x86/syscalls/syscall_64.tbl index dd29a9ea27c..51171aeff0d 100644 --- a/arch/x86/syscalls/syscall_64.tbl +++ b/arch/x86/syscalls/syscall_64.tbl @@ -318,6 +318,8 @@ 309 common getcpu sys_getcpu 310 64 process_vm_readv sys_process_vm_readv 311 64 process_vm_writev sys_process_vm_writev +312 64 kcmp sys_kcmp + # # x32-specific system call numbers start at 512 to avoid cache impact # for native 64-bit operation. diff --git a/arch/x86/tools/gen-insn-attr-x86.awk b/arch/x86/tools/gen-insn-attr-x86.awk index 5f6a5b6c3a1..ddcf39b1a18 100644 --- a/arch/x86/tools/gen-insn-attr-x86.awk +++ b/arch/x86/tools/gen-insn-attr-x86.awk @@ -66,9 +66,10 @@ BEGIN { rex_expr = "^REX(\\.[XRWB]+)*" fpu_expr = "^ESC" # TODO - lprefix1_expr = "\\(66\\)" + lprefix1_expr = "\\((66|!F3)\\)" lprefix2_expr = "\\(F3\\)" - lprefix3_expr = "\\(F2\\)" + lprefix3_expr = "\\((F2|!F3)\\)" + lprefix_expr = "\\((66|F2|F3)\\)" max_lprefix = 4 # All opcodes starting with lower-case 'v' or with (v1) superscript @@ -333,13 +334,16 @@ function convert_operands(count,opnd, i,j,imm,mod) if (match(ext, lprefix1_expr)) { lptable1[idx] = add_flags(lptable1[idx],flags) variant = "INAT_VARIANT" - } else if (match(ext, lprefix2_expr)) { + } + if (match(ext, lprefix2_expr)) { lptable2[idx] = add_flags(lptable2[idx],flags) variant = "INAT_VARIANT" - } else if (match(ext, lprefix3_expr)) { + } + if (match(ext, lprefix3_expr)) { lptable3[idx] = add_flags(lptable3[idx],flags) variant = "INAT_VARIANT" - } else { + } + if (!match(ext, lprefix_expr)){ table[idx] = add_flags(table[idx],flags) } } diff --git a/arch/x86/tools/relocs.c b/arch/x86/tools/relocs.c index b685296d446..5a1847d6193 100644 --- a/arch/x86/tools/relocs.c +++ b/arch/x86/tools/relocs.c @@ -78,6 +78,13 @@ static const char * const sym_regex_kernel[S_NSYMTYPES] = { static const char * const sym_regex_realmode[S_NSYMTYPES] = { /* + * These symbols are known to be relative, even if the linker marks them + * as absolute (typically defined outside any section in the linker script.) + */ + [S_REL] = + "^pa_", + +/* * These are 16-bit segment symbols when compiling 16-bit code. */ [S_SEG] = diff --git a/arch/x86/um/signal.c b/arch/x86/um/signal.c index bb0fb03b9f8..a508cea1350 100644 --- a/arch/x86/um/signal.c +++ b/arch/x86/um/signal.c @@ -486,7 +486,6 @@ long sys_sigreturn(struct pt_regs *regs) copy_from_user(&set.sig[1], extramask, sig_size)) goto segfault; - sigdelsetmask(&set, ~_BLOCKABLE); set_current_blocked(&set); if (copy_sc_from_user(¤t->thread.regs, sc)) @@ -600,7 +599,6 @@ long sys_rt_sigreturn(struct pt_regs *regs) if (copy_from_user(&set, &uc->uc_sigmask, sizeof(set))) goto segfault; - sigdelsetmask(&set, ~_BLOCKABLE); set_current_blocked(&set); if (copy_sc_from_user(¤t->thread.regs, &uc->uc_mcontext)) diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c index 75f33b2a593..e74df9548a0 100644 --- a/arch/x86/xen/enlighten.c +++ b/arch/x86/xen/enlighten.c @@ -1116,7 +1116,10 @@ static const struct pv_cpu_ops xen_cpu_ops __initconst = { .wbinvd = native_wbinvd, .read_msr = native_read_msr_safe, + .rdmsr_regs = native_rdmsr_safe_regs, .write_msr = xen_write_msr_safe, + .wrmsr_regs = native_wrmsr_safe_regs, + .read_tsc = native_read_tsc, .read_pmc = native_read_pmc, diff --git a/arch/xtensa/include/asm/syscall.h b/arch/xtensa/include/asm/syscall.h index 0b9f2e13c78..c1dacca312f 100644 --- a/arch/xtensa/include/asm/syscall.h +++ b/arch/xtensa/include/asm/syscall.h @@ -31,5 +31,5 @@ asmlinkage long sys_pselect6(int n, fd_set __user *inp, fd_set __user *outp, asmlinkage long sys_ppoll(struct pollfd __user *ufds, unsigned int nfds, struct timespec __user *tsp, const sigset_t __user *sigmask, size_t sigsetsize); - - +asmlinkage long sys_rt_sigsuspend(sigset_t __user *unewset, + size_t sigsetsize); diff --git a/arch/xtensa/kernel/signal.c b/arch/xtensa/kernel/signal.c index c5e4ec0598d..efe4e854b3c 100644 --- a/arch/xtensa/kernel/signal.c +++ b/arch/xtensa/kernel/signal.c @@ -30,8 +30,6 @@ #define DEBUG_SIG 0 -#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) - extern struct task_struct *coproc_owners[]; struct rt_sigframe @@ -261,7 +259,6 @@ asmlinkage long xtensa_rt_sigreturn(long a0, long a1, long a2, long a3, if (__copy_from_user(&set, &frame->uc.uc_sigmask, sizeof(set))) goto badframe; - sigdelsetmask(&set, ~_BLOCKABLE); set_current_blocked(&set); if (restore_sigcontext(regs, frame)) @@ -452,15 +449,6 @@ static void do_signal(struct pt_regs *regs) siginfo_t info; int signr; struct k_sigaction ka; - sigset_t oldset; - - if (try_to_freeze()) - goto no_signal; - - if (test_thread_flag(TIF_RESTORE_SIGMASK)) - oldset = ¤t->saved_sigmask; - else - oldset = ¤t->blocked; task_pt_regs(current)->icountlevel = 0; @@ -501,19 +489,17 @@ static void do_signal(struct pt_regs *regs) /* Whee! Actually deliver the signal. */ /* Set up the stack frame */ - ret = setup_frame(signr, &ka, &info, oldset, regs); + ret = setup_frame(signr, &ka, &info, sigmask_to_save(), regs); if (ret) return; - clear_thread_flag(TIF_RESTORE_SIGMASK); - block_sigmask(&ka, signr); + signal_delivered(signr, &info, &ka, regs, 0); if (current->ptrace & PT_SINGLESTEP) task_pt_regs(current)->icountlevel = 1; return; } -no_signal: /* Did we come from a system call? */ if ((signed) regs->syscall >= 0) { /* Restart the system call - no handlers present */ @@ -532,8 +518,7 @@ no_signal: } /* If there's no signal to deliver, we just restore the saved mask. */ - if (test_and_clear_thread_flag(TIF_RESTORE_SIGMASK)) - set_current_blocked(¤t->saved_sigmask); + restore_saved_sigmask(); if (current->ptrace & PT_SINGLESTEP) task_pt_regs(current)->icountlevel = 1; @@ -548,9 +533,6 @@ void do_notify_resume(struct pt_regs *regs) if (test_thread_flag(TIF_SIGPENDING)) do_signal(regs); - if (test_and_clear_thread_flag(TIF_NOTIFY_RESUME)) { + if (test_and_clear_thread_flag(TIF_NOTIFY_RESUME)) tracehook_notify_resume(regs); - if (current->replacement_session_keyring) - key_replace_session_keyring(); - } } |