diff options
25 files changed, 4582 insertions, 220 deletions
diff --git a/arch/arm/configs/kota2_defconfig b/arch/arm/configs/kota2_defconfig new file mode 100644 index 00000000000..b7735d6347a --- /dev/null +++ b/arch/arm/configs/kota2_defconfig @@ -0,0 +1,122 @@ +# CONFIG_ARM_PATCH_PHYS_VIRT is not set +CONFIG_EXPERIMENTAL=y +CONFIG_SYSVIPC=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_LOG_BUF_SHIFT=16 +CONFIG_CGROUPS=y +CONFIG_CPUSETS=y +CONFIG_NAMESPACES=y +# CONFIG_UTS_NS is not set +# CONFIG_IPC_NS is not set +# CONFIG_USER_NS is not set +# CONFIG_PID_NS is not set +CONFIG_SYSCTL_SYSCALL=y +CONFIG_EMBEDDED=y +CONFIG_SLAB=y +# CONFIG_BLK_DEV_BSG is not set +# CONFIG_IOSCHED_DEADLINE is not set +# CONFIG_IOSCHED_CFQ is not set +CONFIG_ARCH_SHMOBILE=y +CONFIG_KEYBOARD_GPIO_POLLED=y +CONFIG_ARCH_SH73A0=y +CONFIG_MACH_KOTA2=y +CONFIG_MEMORY_SIZE=0x1e0000000 +# CONFIG_SH_TIMER_TMU is not set +# CONFIG_SWP_EMULATE is not set +CONFIG_CPU_BPREDICT_DISABLE=y +CONFIG_ARM_ERRATA_460075=y +CONFIG_ARM_ERRATA_742230=y +CONFIG_ARM_ERRATA_742231=y +CONFIG_PL310_ERRATA_588369=y +CONFIG_ARM_ERRATA_720789=y +CONFIG_PL310_ERRATA_727915=y +CONFIG_ARM_ERRATA_743622=y +CONFIG_ARM_ERRATA_751472=y +CONFIG_PL310_ERRATA_753970=y +CONFIG_ARM_ERRATA_754322=y +CONFIG_PL310_ERRATA_769419=y +CONFIG_NO_HZ=y +CONFIG_SMP=y +CONFIG_AEABI=y +# CONFIG_OABI_COMPAT is not set +CONFIG_HIGHMEM=y +CONFIG_ZBOOT_ROM_TEXT=0x0 +CONFIG_ZBOOT_ROM_BSS=0x0 +CONFIG_CMDLINE="console=ttySC2,115200 earlyprintk=sh-sci.2,115200 ignore_loglevel" +CONFIG_CMDLINE_FORCE=y +CONFIG_KEXEC=y +CONFIG_CPU_IDLE=y +# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set +CONFIG_PM_RUNTIME=y +CONFIG_NET=y +CONFIG_PACKET=y +CONFIG_UNIX=y +CONFIG_INET=y +CONFIG_IP_PNP=y +CONFIG_IP_PNP_DHCP=y +# CONFIG_INET_XFRM_MODE_TRANSPORT is not set +# CONFIG_INET_XFRM_MODE_TUNNEL is not set +# CONFIG_INET_XFRM_MODE_BEET is not set +# CONFIG_INET_LRO is not set +# CONFIG_INET_DIAG is not set +# CONFIG_IPV6 is not set +CONFIG_CFG80211=y +CONFIG_WIRELESS_EXT_SYSFS=y +CONFIG_MAC80211=y +CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" +# CONFIG_BLK_DEV is not set +CONFIG_NETDEVICES=y +# CONFIG_NET_VENDOR_BROADCOM is not set +# CONFIG_NET_VENDOR_CHELSIO is not set +# CONFIG_NET_VENDOR_FARADAY is not set +# CONFIG_NET_VENDOR_INTEL is not set +# CONFIG_NET_VENDOR_MARVELL is not set +# CONFIG_NET_VENDOR_MICREL is not set +# CONFIG_NET_VENDOR_NATSEMI is not set +# CONFIG_NET_VENDOR_SEEQ is not set +CONFIG_SMSC911X=y +# CONFIG_NET_VENDOR_STMICRO is not set +CONFIG_B43=y +CONFIG_B43_PHY_N=y +CONFIG_B43_DEBUG=y +CONFIG_INPUT_SPARSEKMAP=y +# CONFIG_INPUT_MOUSEDEV_PSAUX is not set +CONFIG_INPUT_EVDEV=y +# CONFIG_KEYBOARD_ATKBD is not set +CONFIG_KEYBOARD_GPIO=y +CONFIG_KEYBOARD_SH_KEYSC=y +# CONFIG_INPUT_MOUSE is not set +# CONFIG_LEGACY_PTYS is not set +CONFIG_SERIAL_SH_SCI=y +CONFIG_SERIAL_SH_SCI_NR_UARTS=9 +CONFIG_SERIAL_SH_SCI_CONSOLE=y +# CONFIG_HW_RANDOM is not set +CONFIG_I2C_SH_MOBILE=y +# CONFIG_HWMON is not set +CONFIG_BCMA=y +CONFIG_BCMA_DEBUG=y +CONFIG_FB=y +CONFIG_FB_SH_MOBILE_LCDC=y +CONFIG_LCD_PLATFORM=y +CONFIG_FRAMEBUFFER_CONSOLE=y +CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY=y +# CONFIG_HID_SUPPORT is not set +# CONFIG_USB_SUPPORT is not set +CONFIG_MMC=y +CONFIG_MMC_SDHI=y +CONFIG_MMC_SH_MMCIF=y +CONFIG_NEW_LEDS=y +CONFIG_LEDS_CLASS=y +CONFIG_LEDS_GPIO=y +CONFIG_LEDS_RENESAS_TPU=y +CONFIG_LEDS_TRIGGERS=y +# CONFIG_DNOTIFY is not set +# CONFIG_INOTIFY_USER is not set +CONFIG_TMPFS=y +# CONFIG_MISC_FILESYSTEMS is not set +CONFIG_MAGIC_SYSRQ=y +CONFIG_DEBUG_INFO=y +CONFIG_DEBUG_INFO_REDUCED=y +# CONFIG_FTRACE is not set +CONFIG_DEBUG_USER=y diff --git a/arch/arm/configs/marzen_defconfig b/arch/arm/configs/marzen_defconfig new file mode 100644 index 00000000000..864f9a5c39d --- /dev/null +++ b/arch/arm/configs/marzen_defconfig @@ -0,0 +1,87 @@ +# CONFIG_ARM_PATCH_PHYS_VIRT is not set +CONFIG_EXPERIMENTAL=y +CONFIG_KERNEL_LZMA=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_LOG_BUF_SHIFT=16 +CONFIG_SYSCTL_SYSCALL=y +CONFIG_EMBEDDED=y +CONFIG_SLAB=y +# CONFIG_BLOCK is not set +CONFIG_ARCH_SHMOBILE=y +CONFIG_ARCH_R8A7779=y +CONFIG_MACH_MARZEN=y +CONFIG_MEMORY_START=0x60000000 +CONFIG_MEMORY_SIZE=0x10000000 +CONFIG_SHMOBILE_TIMER_HZ=1024 +# CONFIG_SH_TIMER_CMT is not set +# CONFIG_SWP_EMULATE is not set +CONFIG_ARM_ERRATA_430973=y +CONFIG_ARM_ERRATA_458693=y +CONFIG_ARM_ERRATA_460075=y +CONFIG_ARM_ERRATA_743622=y +CONFIG_ARM_ERRATA_754322=y +CONFIG_NO_HZ=y +CONFIG_SMP=y +# CONFIG_ARM_CPU_TOPOLOGY is not set +CONFIG_AEABI=y +# CONFIG_OABI_COMPAT is not set +CONFIG_HIGHMEM=y +CONFIG_ZBOOT_ROM_TEXT=0x0 +CONFIG_ZBOOT_ROM_BSS=0x0 +CONFIG_CMDLINE="console=ttySC2,115200 earlyprintk=sh-sci.2,115200 ignore_loglevel" +CONFIG_CMDLINE_FORCE=y +CONFIG_KEXEC=y +# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set +CONFIG_PM_RUNTIME=y +CONFIG_NET=y +CONFIG_INET=y +# CONFIG_IPV6 is not set +# CONFIG_WIRELESS is not set +CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" +CONFIG_DEVTMPFS=y +CONFIG_DEVTMPFS_MOUNT=y +# CONFIG_STANDALONE is not set +# CONFIG_PREVENT_FIRMWARE_BUILD is not set +# CONFIG_FW_LOADER is not set +CONFIG_NETDEVICES=y +# CONFIG_NET_VENDOR_BROADCOM is not set +# CONFIG_NET_VENDOR_FARADAY is not set +# CONFIG_NET_VENDOR_INTEL is not set +# CONFIG_NET_VENDOR_MICREL is not set +# CONFIG_NET_VENDOR_NATSEMI is not set +# CONFIG_NET_VENDOR_SEEQ is not set +CONFIG_SMC911X=y +CONFIG_SMSC911X=y +# CONFIG_NET_VENDOR_STMICRO is not set +# CONFIG_WLAN is not set +# CONFIG_INPUT_MOUSEDEV is not set +# CONFIG_INPUT_KEYBOARD is not set +# CONFIG_INPUT_MOUSE is not set +# CONFIG_SERIO is not set +# CONFIG_VT is not set +# CONFIG_LEGACY_PTYS is not set +# CONFIG_DEVKMEM is not set +CONFIG_SERIAL_SH_SCI=y +CONFIG_SERIAL_SH_SCI_NR_UARTS=6 +CONFIG_SERIAL_SH_SCI_CONSOLE=y +# CONFIG_HW_RANDOM is not set +CONFIG_GPIO_SYSFS=y +# CONFIG_HWMON is not set +CONFIG_SSB=y +# CONFIG_HID_SUPPORT is not set +# CONFIG_USB_SUPPORT is not set +CONFIG_UIO=y +CONFIG_UIO_PDRV_GENIRQ=y +# CONFIG_IOMMU_SUPPORT is not set +# CONFIG_FILE_LOCKING is not set +# CONFIG_DNOTIFY is not set +# CONFIG_INOTIFY_USER is not set +CONFIG_TMPFS=y +# CONFIG_MISC_FILESYSTEMS is not set +CONFIG_MAGIC_SYSRQ=y +CONFIG_DEBUG_INFO=y +CONFIG_DEBUG_INFO_REDUCED=y +# CONFIG_FTRACE is not set +CONFIG_DEBUG_USER=y +CONFIG_AVERAGE=y diff --git a/arch/arm/mach-shmobile/Kconfig b/arch/arm/mach-shmobile/Kconfig index ef0077e8771..060e5644c49 100644 --- a/arch/arm/mach-shmobile/Kconfig +++ b/arch/arm/mach-shmobile/Kconfig @@ -34,6 +34,13 @@ config ARCH_R8A7740 select SH_CLK_CPG select ARCH_WANT_OPTIONAL_GPIOLIB +config ARCH_R8A7779 + bool "R-Car H1 (R8A77790)" + select CPU_V7 + select SH_CLK_CPG + select ARM_GIC + select ARCH_WANT_OPTIONAL_GPIOLIB + comment "SH-Mobile Board Type" config MACH_G3EVM @@ -86,6 +93,11 @@ config MACH_BONITO select ARCH_REQUIRE_GPIOLIB depends on ARCH_R8A7740 +config MACH_MARZEN + bool "MARZEN board" + depends on ARCH_R8A7779 + select ARCH_REQUIRE_GPIOLIB + comment "SH-Mobile System Configuration" menu "Memory configuration" diff --git a/arch/arm/mach-shmobile/Makefile b/arch/arm/mach-shmobile/Makefile index 957e5c7a38f..997bd2bcd5f 100644 --- a/arch/arm/mach-shmobile/Makefile +++ b/arch/arm/mach-shmobile/Makefile @@ -11,6 +11,7 @@ obj-$(CONFIG_ARCH_SH7377) += setup-sh7377.o clock-sh7377.o intc-sh7377.o obj-$(CONFIG_ARCH_SH7372) += setup-sh7372.o clock-sh7372.o intc-sh7372.o obj-$(CONFIG_ARCH_SH73A0) += setup-sh73a0.o clock-sh73a0.o intc-sh73a0.o obj-$(CONFIG_ARCH_R8A7740) += setup-r8a7740.o clock-r8a7740.o intc-r8a7740.o +obj-$(CONFIG_ARCH_R8A7779) += setup-r8a7779.o clock-r8a7779.o intc-r8a7779.o # SMP objects smp-y := platsmp.o headsmp.o @@ -25,6 +26,7 @@ pfc-$(CONFIG_ARCH_SH7377) += pfc-sh7377.o pfc-$(CONFIG_ARCH_SH7372) += pfc-sh7372.o pfc-$(CONFIG_ARCH_SH73A0) += pfc-sh73a0.o pfc-$(CONFIG_ARCH_R8A7740) += pfc-r8a7740.o +pfc-$(CONFIG_ARCH_R8A7779) += pfc-r8a7779.o # IRQ objects obj-$(CONFIG_ARCH_SH7367) += entry-intc.o @@ -36,6 +38,7 @@ obj-$(CONFIG_ARCH_R8A7740) += entry-intc.o obj-$(CONFIG_SUSPEND) += suspend.o obj-$(CONFIG_CPU_IDLE) += cpuidle.o obj-$(CONFIG_ARCH_SH7372) += pm-sh7372.o sleep-sh7372.o +obj-$(CONFIG_ARCH_R8A7779) += pm-r8a7779.o # Board objects obj-$(CONFIG_MACH_G3EVM) += board-g3evm.o @@ -45,6 +48,7 @@ obj-$(CONFIG_MACH_AG5EVM) += board-ag5evm.o obj-$(CONFIG_MACH_MACKEREL) += board-mackerel.o obj-$(CONFIG_MACH_KOTA2) += board-kota2.o obj-$(CONFIG_MACH_BONITO) += board-bonito.o +obj-$(CONFIG_MACH_MARZEN) += board-marzen.o # Framework support obj-$(CONFIG_SMP) += $(smp-y) diff --git a/arch/arm/mach-shmobile/board-marzen.c b/arch/arm/mach-shmobile/board-marzen.c new file mode 100644 index 00000000000..f0e02c0ce99 --- /dev/null +++ b/arch/arm/mach-shmobile/board-marzen.c @@ -0,0 +1,157 @@ +/* + * marzen board support + * + * Copyright (C) 2011 Renesas Solutions Corp. + * Copyright (C) 2011 Magnus Damm + * + * 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; version 2 of the License. + * + * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/interrupt.h> +#include <linux/irq.h> +#include <linux/platform_device.h> +#include <linux/delay.h> +#include <linux/io.h> +#include <linux/gpio.h> +#include <linux/dma-mapping.h> +#include <linux/smsc911x.h> +#include <mach/hardware.h> +#include <mach/r8a7779.h> +#include <mach/common.h> +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/time.h> +#include <asm/hardware/gic.h> +#include <asm/traps.h> + +/* SMSC LAN89218 */ +static struct resource smsc911x_resources[] = { + [0] = { + .start = 0x18000000, /* ExCS0 */ + .end = 0x180000ff, /* A1->A7 */ + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = gic_spi(28), /* IRQ 1 */ + .flags = IORESOURCE_IRQ, + }, +}; + +static struct smsc911x_platform_config smsc911x_platdata = { + .flags = SMSC911X_USE_32BIT, /* 32-bit SW on 16-bit HW bus */ + .phy_interface = PHY_INTERFACE_MODE_MII, + .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW, + .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL, +}; + +static struct platform_device eth_device = { + .name = "smsc911x", + .id = 0, + .dev = { + .platform_data = &smsc911x_platdata, + }, + .resource = smsc911x_resources, + .num_resources = ARRAY_SIZE(smsc911x_resources), +}; + +static struct platform_device *marzen_devices[] __initdata = { + ð_device, +}; + +static struct map_desc marzen_io_desc[] __initdata = { + /* 2M entity map for 0xf0000000 (MPCORE) */ + { + .virtual = 0xf0000000, + .pfn = __phys_to_pfn(0xf0000000), + .length = SZ_2M, + .type = MT_DEVICE_NONSHARED + }, + /* 16M entity map for 0xfexxxxxx (DMAC-S/HPBREG/INTC2/LRAM/DBSC) */ + { + .virtual = 0xfe000000, + .pfn = __phys_to_pfn(0xfe000000), + .length = SZ_16M, + .type = MT_DEVICE_NONSHARED + }, +}; + +static void __init marzen_map_io(void) +{ + iotable_init(marzen_io_desc, ARRAY_SIZE(marzen_io_desc)); +} + +static void __init marzen_init_early(void) +{ + r8a7779_add_early_devices(); + + /* Early serial console setup is not included here due to + * memory map collisions. The SCIF serial ports in r8a7779 + * are difficult to entity map 1:1 due to collision with the + * virtual memory range used by the coherent DMA code on ARM. + * + * Anyone wanting to debug early can remove UPF_IOREMAP from + * the sh-sci serial console platform data, adjust mapbase + * to a static M:N virt:phys mapping that needs to be added to + * the mappings passed with iotable_init() above. + * + * Then add a call to shmobile_setup_console() from this function. + * + * As a final step pass earlyprint=sh-sci.2,115200 on the kernel + * command line. + */ +} + +static void __init marzen_init(void) +{ + r8a7779_pinmux_init(); + + /* SCIF2 (CN18: DEBUG0) */ + gpio_request(GPIO_FN_TX2_C, NULL); + gpio_request(GPIO_FN_RX2_C, NULL); + + /* SCIF4 (CN19: DEBUG1) */ + gpio_request(GPIO_FN_TX4, NULL); + gpio_request(GPIO_FN_RX4, NULL); + + /* LAN89218 */ + gpio_request(GPIO_FN_EX_CS0, NULL); /* nCS */ + gpio_request(GPIO_FN_IRQ1_B, NULL); /* IRQ + PME */ + + r8a7779_add_standard_devices(); + platform_add_devices(marzen_devices, ARRAY_SIZE(marzen_devices)); +} + +static void __init marzen_timer_init(void) +{ + r8a7779_clock_init(); + shmobile_timer.init(); + return; +} + +struct sys_timer marzen_timer = { + .init = marzen_timer_init, +}; + +MACHINE_START(MARZEN, "marzen") + .map_io = marzen_map_io, + .init_early = marzen_init_early, + .nr_irqs = NR_IRQS_LEGACY, + .init_irq = r8a7779_init_irq, + .handle_irq = gic_handle_irq, + .init_machine = marzen_init, + .timer = &marzen_timer, +MACHINE_END diff --git a/arch/arm/mach-shmobile/clock-r8a7779.c b/arch/arm/mach-shmobile/clock-r8a7779.c new file mode 100644 index 00000000000..b4b0e8cd096 --- /dev/null +++ b/arch/arm/mach-shmobile/clock-r8a7779.c @@ -0,0 +1,176 @@ +/* + * r8a7779 clock framework support + * + * Copyright (C) 2011 Renesas Solutions Corp. + * Copyright (C) 2011 Magnus Damm + * + * 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 + * + * 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 + */ +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/io.h> +#include <linux/sh_clk.h> +#include <linux/clkdev.h> +#include <mach/common.h> + +#define FRQMR 0xffc80014 +#define MSTPCR0 0xffc80030 +#define MSTPCR1 0xffc80034 +#define MSTPCR3 0xffc8003c +#define MSTPSR1 0xffc80044 +#define MSTPSR4 0xffc80048 +#define MSTPSR6 0xffc8004c +#define MSTPCR4 0xffc80050 +#define MSTPCR5 0xffc80054 +#define MSTPCR6 0xffc80058 +#define MSTPCR7 0xffc80040 + +/* ioremap() through clock mapping mandatory to avoid + * collision with ARM coherent DMA virtual memory range. + */ + +static struct clk_mapping cpg_mapping = { + .phys = 0xffc80000, + .len = 0x80, +}; + +/* + * Default rate for the root input clock, reset this with clk_set_rate() + * from the platform code. + */ +static struct clk plla_clk = { + .rate = 1500000000, + .mapping = &cpg_mapping, +}; + +static struct clk *main_clks[] = { + &plla_clk, +}; + +static int divisors[] = { 0, 0, 0, 6, 8, 12, 16, 0, 24, 32, 36, 0, 0, 0, 0, 0 }; + +static struct clk_div_mult_table div4_div_mult_table = { + .divisors = divisors, + .nr_divisors = ARRAY_SIZE(divisors), +}; + +static struct clk_div4_table div4_table = { + .div_mult_table = &div4_div_mult_table, +}; + +enum { DIV4_S, DIV4_OUT, DIV4_S4, DIV4_S3, DIV4_S1, DIV4_P, DIV4_NR }; + +static struct clk div4_clks[DIV4_NR] = { + [DIV4_S] = SH_CLK_DIV4(&plla_clk, FRQMR, 20, + 0x0018, CLK_ENABLE_ON_INIT), + [DIV4_OUT] = SH_CLK_DIV4(&plla_clk, FRQMR, 16, + 0x0700, CLK_ENABLE_ON_INIT), + [DIV4_S4] = SH_CLK_DIV4(&plla_clk, FRQMR, 12, + 0x0040, CLK_ENABLE_ON_INIT), + [DIV4_S3] = SH_CLK_DIV4(&plla_clk, FRQMR, 8, + 0x0010, CLK_ENABLE_ON_INIT), + [DIV4_S1] = SH_CLK_DIV4(&plla_clk, FRQMR, 4, + 0x0060, CLK_ENABLE_ON_INIT), + [DIV4_P] = SH_CLK_DIV4(&plla_clk, FRQMR, 0, + 0x0300, CLK_ENABLE_ON_INIT), +}; + +enum { MSTP026, MSTP025, MSTP024, MSTP023, MSTP022, MSTP021, + MSTP016, MSTP015, MSTP014, + MSTP_NR }; + +static struct clk mstp_clks[MSTP_NR] = { + [MSTP026] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 26, 0), /* SCIF0 */ + [MSTP025] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 25, 0), /* SCIF1 */ + [MSTP024] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 24, 0), /* SCIF2 */ + [MSTP023] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 23, 0), /* SCIF3 */ + [MSTP022] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 22, 0), /* SCIF4 */ + [MSTP021] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 21, 0), /* SCIF5 */ + [MSTP016] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 16, 0), /* TMU0 */ + [MSTP015] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 15, 0), /* TMU1 */ + [MSTP014] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 14, 0), /* TMU2 */ +}; + +static unsigned long mul4_recalc(struct clk *clk) +{ + return clk->parent->rate * 4; +} + +static struct clk_ops mul4_clk_ops = { + .recalc = mul4_recalc, +}; + +struct clk clkz_clk = { + .ops = &mul4_clk_ops, + .parent = &div4_clks[DIV4_S], +}; + +struct clk clkzs_clk = { + /* clks x 4 / 4 = clks */ + .parent = &div4_clks[DIV4_S], +}; + +static struct clk *late_main_clks[] = { + &clkz_clk, + &clkzs_clk, +}; + +static struct clk_lookup lookups[] = { + /* main clocks */ + CLKDEV_CON_ID("plla_clk", &plla_clk), + CLKDEV_CON_ID("clkz_clk", &clkz_clk), + CLKDEV_CON_ID("clkzs_clk", &clkzs_clk), + + /* DIV4 clocks */ + CLKDEV_CON_ID("shyway_clk", &div4_clks[DIV4_S]), + CLKDEV_CON_ID("bus_clk", &div4_clks[DIV4_OUT]), + CLKDEV_CON_ID("shyway4_clk", &div4_clks[DIV4_S4]), + CLKDEV_CON_ID("shyway3_clk", &div4_clks[DIV4_S3]), + CLKDEV_CON_ID("shyway1_clk", &div4_clks[DIV4_S1]), + CLKDEV_CON_ID("peripheral_clk", &div4_clks[DIV4_P]), + + /* MSTP32 clocks */ + CLKDEV_DEV_ID("sh_tmu.0", &mstp_clks[MSTP016]), /* TMU00 */ + CLKDEV_DEV_ID("sh_tmu.1", &mstp_clks[MSTP016]), /* TMU01 */ + CLKDEV_DEV_ID("sh-sci.0", &mstp_clks[MSTP026]), /* SCIF0 */ + CLKDEV_DEV_ID("sh-sci.1", &mstp_clks[MSTP025]), /* SCIF1 */ + CLKDEV_DEV_ID("sh-sci.2", &mstp_clks[MSTP024]), /* SCIF2 */ + CLKDEV_DEV_ID("sh-sci.3", &mstp_clks[MSTP023]), /* SCIF3 */ + CLKDEV_DEV_ID("sh-sci.4", &mstp_clks[MSTP022]), /* SCIF4 */ + CLKDEV_DEV_ID("sh-sci.5", &mstp_clks[MSTP021]), /* SCIF6 */ +}; + +void __init r8a7779_clock_init(void) +{ + int k, ret = 0; + + for (k = 0; !ret && (k < ARRAY_SIZE(main_clks)); k++) + ret = clk_register(main_clks[k]); + + if (!ret) + ret = sh_clk_div4_register(div4_clks, DIV4_NR, &div4_table); + + if (!ret) + ret = sh_clk_mstp32_register(mstp_clks, MSTP_NR); + + for (k = 0; !ret && (k < ARRAY_SIZE(late_main_clks)); k++) + ret = clk_register(late_main_clks[k]); + + clkdev_add_table(lookups, ARRAY_SIZE(lookups)); + + if (!ret) + clk_init(); + else + panic("failed to setup r8a7779 clocks\n"); +} diff --git a/arch/arm/mach-shmobile/clock-sh7372.c b/arch/arm/mach-shmobile/clock-sh7372.c index 995a9c3aec8..e349c22a0d7 100644 --- a/arch/arm/mach-shmobile/clock-sh7372.c +++ b/arch/arm/mach-shmobile/clock-sh7372.c @@ -411,11 +411,11 @@ static struct clk *fsibckcr_parent[] = { }; static struct clk div6_reparent_clks[DIV6_REPARENT_NR] = { - [DIV6_HDMI] = SH_CLK_DIV6_EXT(&pllc1_div2_clk, HDMICKCR, 0, + [DIV6_HDMI] = SH_CLK_DIV6_EXT(HDMICKCR, 0, hdmi_parent, ARRAY_SIZE(hdmi_parent), 6, 2), - [DIV6_FSIA] = SH_CLK_DIV6_EXT(&pllc1_div2_clk, FSIACKCR, 0, + [DIV6_FSIA] = SH_CLK_DIV6_EXT(FSIACKCR, 0, fsiackcr_parent, ARRAY_SIZE(fsiackcr_parent), 6, 2), - [DIV6_FSIB] = SH_CLK_DIV6_EXT(&pllc1_div2_clk, FSIBCKCR, 0, + [DIV6_FSIB] = SH_CLK_DIV6_EXT(FSIBCKCR, 0, fsibckcr_parent, ARRAY_SIZE(fsibckcr_parent), 6, 2), }; diff --git a/arch/arm/mach-shmobile/clock-sh73a0.c b/arch/arm/mach-shmobile/clock-sh73a0.c index 1370a89ca35..34944d01bf1 100644 --- a/arch/arm/mach-shmobile/clock-sh73a0.c +++ b/arch/arm/mach-shmobile/clock-sh73a0.c @@ -92,6 +92,24 @@ static struct clk_ops div2_clk_ops = { .recalc = div2_recalc, }; +static unsigned long div7_recalc(struct clk *clk) +{ + return clk->parent->rate / 7; +} + +static struct clk_ops div7_clk_ops = { + .recalc = div7_recalc, +}; + +static unsigned long div13_recalc(struct clk *clk) +{ + return clk->parent->rate / 13; +} + +static struct clk_ops div13_clk_ops = { + .recalc = div13_recalc, +}; + /* Divide extal1 by two */ static struct clk extal1_div2_clk = { .ops = &div2_clk_ops, @@ -174,12 +192,29 @@ static struct clk pll3_clk = { .enable_bit = 3, }; -/* Divide PLL1 by two */ +/* Divide PLL */ static struct clk pll1_div2_clk = { .ops = &div2_clk_ops, .parent = &pll1_clk, }; +static struct clk pll1_div7_clk = { + .ops = &div7_clk_ops, + .parent = &pll1_clk, +}; + +static struct clk pll1_div13_clk = { + .ops = &div13_clk_ops, + .parent = &pll1_clk, +}; + +/* External input clock */ +struct clk sh73a0_extcki_clk = { +}; + +struct clk sh73a0_extalr_clk = { +}; + static struct clk *main_clks[] = { &r_clk, &sh73a0_extal1_clk, @@ -193,6 +228,10 @@ static struct clk *main_clks[] = { &pll2_clk, &pll3_clk, &pll1_div2_clk, + &pll1_div7_clk, + &pll1_div13_clk, + &sh73a0_extcki_clk, + &sh73a0_extalr_clk, }; static void div4_kick(struct clk *clk) @@ -246,27 +285,84 @@ enum { DIV6_VCK1, DIV6_VCK2, DIV6_VCK3, DIV6_ZB1, DIV6_DSIT, DIV6_DSI0P, DIV6_DSI1P, DIV6_NR }; +static struct clk *vck_parent[8] = { + [0] = &pll1_div2_clk, + [1] = &pll2_clk, + [2] = &sh73a0_extcki_clk, + [3] = &sh73a0_extal2_clk, + [4] = &main_div2_clk, + [5] = &sh73a0_extalr_clk, + [6] = &main_clk, +}; + +static struct clk *pll_parent[4] = { + [0] = &pll1_div2_clk, + [1] = &pll2_clk, + [2] = &pll1_div13_clk, +}; + +static struct clk *hsi_parent[4] = { + [0] = &pll1_div2_clk, + [1] = &pll2_clk, + [2] = &pll1_div7_clk, +}; + +static struct clk *pll_extal2_parent[] = { + [0] = &pll1_div2_clk, + [1] = &pll2_clk, + [2] = &sh73a0_extal2_clk, + [3] = &sh73a0_extal2_clk, +}; + +static struct clk *dsi_parent[8] = { + [0] = &pll1_div2_clk, + [1] = &pll2_clk, + [2] = &main_clk, + [3] = &sh73a0_extal2_clk, + [4] = &sh73a0_extcki_clk, +}; + static struct clk div6_clks[DIV6_NR] = { - [DIV6_VCK1] = SH_CLK_DIV6(&pll1_div2_clk, VCLKCR1, 0), - [DIV6_VCK2] = SH_CLK_DIV6(&pll1_div2_clk, VCLKCR2, 0), - [DIV6_VCK3] = SH_CLK_DIV6(&pll1_div2_clk, VCLKCR3, 0), - [DIV6_ZB1] = SH_CLK_DIV6(&pll1_div2_clk, ZBCKCR, CLK_ENABLE_ON_INIT), - [DIV6_FLCTL] = SH_CLK_DIV6(&pll1_div2_clk, FLCKCR, 0), - [DIV6_SDHI0] = SH_CLK_DIV6(&pll1_div2_clk, SD0CKCR, 0), - [DIV6_SDHI1] = SH_CLK_DIV6(&pll1_div2_clk, SD1CKCR, 0), - [DIV6_SDHI2] = SH_CLK_DIV6(&pll1_div2_clk, SD2CKCR, 0), - [DIV6_FSIA] = SH_CLK_DIV6(&pll1_div2_clk, FSIACKCR, 0), - [DIV6_FSIB] = SH_CLK_DIV6(&pll1_div2_clk, FSIBCKCR, 0), - [DIV6_SUB] = SH_CLK_DIV6(&sh73a0_extal2_clk, SUBCKCR, 0), - [DIV6_SPUA] = SH_CLK_DIV6(&pll1_div2_clk, SPUACKCR, 0), - [DIV6_SPUV] = SH_CLK_DIV6(&pll1_div2_clk, SPUVCKCR, 0), - [DIV6_MSU] = SH_CLK_DIV6(&pll1_div2_clk, MSUCKCR, 0), - [DIV6_HSI] = SH_CLK_DIV6(&pll1_div2_clk, HSICKCR, 0), - [DIV6_MFG1] = SH_CLK_DIV6(&pll1_div2_clk, MFCK1CR, 0), - [DIV6_MFG2] = SH_CLK_DIV6(&pll1_div2_clk, MFCK2CR, 0), - [DIV6_DSIT] = SH_CLK_DIV6(&pll1_div2_clk, DSITCKCR, 0), - [DIV6_DSI0P] = SH_CLK_DIV6(&pll1_div2_clk, DSI0PCKCR, 0), - [DIV6_DSI1P] = SH_CLK_DIV6(&pll1_div2_clk, DSI1PCKCR, 0), + [DIV6_VCK1] = SH_CLK_DIV6_EXT(VCLKCR1, 0, + vck_parent, ARRAY_SIZE(vck_parent), 12, 3), + [DIV6_VCK2] = SH_CLK_DIV6_EXT(VCLKCR2, 0, + vck_parent, ARRAY_SIZE(vck_parent), 12, 3), + [DIV6_VCK3] = SH_CLK_DIV6_EXT(VCLKCR3, 0, + vck_parent, ARRAY_SIZE(vck_parent), 12, 3), + [DIV6_ZB1] = SH_CLK_DIV6_EXT(ZBCKCR, CLK_ENABLE_ON_INIT, + pll_parent, ARRAY_SIZE(pll_parent), 7, 1), + [DIV6_FLCTL] = SH_CLK_DIV6_EXT(FLCKCR, 0, + pll_parent, ARRAY_SIZE(pll_parent), 7, 1), + [DIV6_SDHI0] = SH_CLK_DIV6_EXT(SD0CKCR, 0, + pll_parent, ARRAY_SIZE(pll_parent), 6, 2), + [DIV6_SDHI1] = SH_CLK_DIV6_EXT(SD1CKCR, 0, + pll_parent, ARRAY_SIZE(pll_parent), 6, 2), + [DIV6_SDHI2] = SH_CLK_DIV6_EXT(SD2CKCR, 0, + pll_parent, ARRAY_SIZE(pll_parent), 6, 2), + [DIV6_FSIA] = SH_CLK_DIV6_EXT(FSIACKCR, 0, + pll_parent, ARRAY_SIZE(pll_parent), 6, 1), + [DIV6_FSIB] = SH_CLK_DIV6_EXT(FSIBCKCR, 0, + pll_parent, ARRAY_SIZE(pll_parent), 6, 1), + [DIV6_SUB] = SH_CLK_DIV6_EXT(SUBCKCR, 0, + pll_extal2_parent, ARRAY_SIZE(pll_extal2_parent), 6, 2), + [DIV6_SPUA] = SH_CLK_DIV6_EXT(SPUACKCR, 0, + pll_extal2_parent, ARRAY_SIZE(pll_extal2_parent), 6, 2), + [DIV6_SPUV] = SH_CLK_DIV6_EXT(SPUVCKCR, 0, + pll_extal2_parent, ARRAY_SIZE(pll_extal2_parent), 6, 2), + [DIV6_MSU] = SH_CLK_DIV6_EXT(MSUCKCR, 0, + pll_parent, ARRAY_SIZE(pll_parent), 7, 1), + [DIV6_HSI] = SH_CLK_DIV6_EXT(HSICKCR, 0, + hsi_parent, ARRAY_SIZE(hsi_parent), 6, 2), + [DIV6_MFG1] = SH_CLK_DIV6_EXT(MFCK1CR, 0, + pll_parent, ARRAY_SIZE(pll_parent), 7, 1), + [DIV6_MFG2] = SH_CLK_DIV6_EXT(MFCK2CR, 0, + pll_parent, ARRAY_SIZE(pll_parent), 7, 1), + [DIV6_DSIT] = SH_CLK_DIV6_EXT(DSITCKCR, 0, + pll_parent, ARRAY_SIZE(pll_parent), 7, 1), + [DIV6_DSI0P] = SH_CLK_DIV6_EXT(DSI0PCKCR, 0, + dsi_parent, ARRAY_SIZE(dsi_parent), 12, 3), + [DIV6_DSI1P] = SH_CLK_DIV6_EXT(DSI1PCKCR, 0, + dsi_parent, ARRAY_SIZE(dsi_parent), 12, 3), }; enum { MSTP001, @@ -403,7 +499,7 @@ void __init sh73a0_clock_init(void) ret = sh_clk_div4_register(div4_clks, DIV4_NR, &div4_table); if (!ret) - ret = sh_clk_div6_register(div6_clks, DIV6_NR); + ret = sh_clk_div6_reparent_register(div6_clks, DIV6_NR); if (!ret) ret = sh_clk_mstp32_register(mstp_clks, MSTP_NR); diff --git a/arch/arm/mach-shmobile/headsmp.S b/arch/arm/mach-shmobile/headsmp.S index 26079d933d9..6ac015c8920 100644 --- a/arch/arm/mach-shmobile/headsmp.S +++ b/arch/arm/mach-shmobile/headsmp.S @@ -14,7 +14,7 @@ #include <linux/init.h> #include <asm/memory.h> - __INIT + __CPUINIT /* * Reset vector for secondary CPUs. diff --git a/arch/arm/mach-shmobile/hotplug.c b/arch/arm/mach-shmobile/hotplug.c index 238a0d97d2d..828d22f3af5 100644 --- a/arch/arm/mach-shmobile/hotplug.c +++ b/arch/arm/mach-shmobile/hotplug.c @@ -12,14 +12,43 @@ #include <linux/kernel.h> #include <linux/errno.h> #include <linux/smp.h> +#include <linux/cpumask.h> +#include <linux/delay.h> +#include <mach/common.h> +#include <asm/cacheflush.h> + +static cpumask_t dead_cpus; int platform_cpu_kill(unsigned int cpu) { - return 1; + int k; + + /* this function is running on another CPU than the offline target, + * here we need wait for shutdown code in platform_cpu_die() to + * finish before asking SoC-specific code to power off the CPU core. + */ + for (k = 0; k < 1000; k++) { + if (cpumask_test_cpu(cpu, &dead_cpus)) + return shmobile_platform_cpu_kill(cpu); + + mdelay(1); + } + + return 0; } void platform_cpu_die(unsigned int cpu) { + /* hardware shutdown code running on the CPU that is being offlined */ + flush_cache_all(); + dsb(); + + /* notify platform_cpu_kill() that hardware shutdown is finished */ + cpumask_set_cpu(cpu, &dead_cpus); + + /* wait for SoC code in platform_cpu_kill() to shut off CPU core + * power. CPU bring up starts from the reset vector. + */ while (1) { /* * here's the WFI @@ -33,6 +62,7 @@ void platform_cpu_die(unsigned int cpu) int platform_cpu_disable(unsigned int cpu) { + cpumask_clear_cpu(cpu, &dead_cpus); /* * we don't allow CPU 0 to be shutdown (it is still too special * e.g. clock tick interrupts) diff --git a/arch/arm/mach-shmobile/include/mach/common.h b/arch/arm/mach-shmobile/include/mach/common.h index 3a9250bb |