diff options
| -rw-r--r-- | arch/mips/alchemy/common/Makefile | 3 | ||||
| -rw-r--r-- | arch/mips/alchemy/common/reset.c | 185 | ||||
| -rw-r--r-- | arch/mips/alchemy/common/setup.c | 9 | ||||
| -rw-r--r-- | arch/mips/alchemy/devboards/db1200/setup.c | 19 | ||||
| -rw-r--r-- | arch/mips/alchemy/devboards/db1x00/board_setup.c | 49 | ||||
| -rw-r--r-- | arch/mips/alchemy/devboards/platform.c | 29 | ||||
| -rw-r--r-- | arch/mips/alchemy/mtx-1/board_setup.c | 15 | ||||
| -rw-r--r-- | arch/mips/alchemy/xxs1500/board_setup.c | 15 |
8 files changed, 99 insertions, 225 deletions
diff --git a/arch/mips/alchemy/common/Makefile b/arch/mips/alchemy/common/Makefile index f46b351a961..06c0e65a54b 100644 --- a/arch/mips/alchemy/common/Makefile +++ b/arch/mips/alchemy/common/Makefile @@ -5,8 +5,7 @@ # Makefile for the Alchemy Au1xx0 CPUs, generic files. # -obj-y += prom.o time.o reset.o \ - clocks.o platform.o power.o setup.o \ +obj-y += prom.o time.o clocks.o platform.o power.o setup.o \ sleeper.o dma.o dbdma.o obj-$(CONFIG_ALCHEMY_GPIOINT_AU1000) += irq.o diff --git a/arch/mips/alchemy/common/reset.c b/arch/mips/alchemy/common/reset.c deleted file mode 100644 index 266afd48c19..00000000000 --- a/arch/mips/alchemy/common/reset.c +++ /dev/null @@ -1,185 +0,0 @@ -/* - * - * BRIEF MODULE DESCRIPTION - * Au1xx0 reset routines. - * - * Copyright 2001, 2006, 2008 MontaVista Software Inc. - * Author: MontaVista Software, Inc. <source@mvista.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 SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN - * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF - * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON - * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * 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., - * 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#include <linux/gpio.h> - -#include <asm/cacheflush.h> -#include <asm/mach-au1x00/au1000.h> - -void au1000_restart(char *command) -{ - /* Set all integrated peripherals to disabled states */ - extern void board_reset(void); - u32 prid = read_c0_prid(); - - printk(KERN_NOTICE "\n** Resetting Integrated Peripherals\n"); - - switch (prid & 0xFF000000) { - case 0x00000000: /* Au1000 */ - au_writel(0x02, 0xb0000010); /* ac97_enable */ - au_writel(0x08, 0xb017fffc); /* usbh_enable - early errata */ - asm("sync"); - au_writel(0x00, 0xb017fffc); /* usbh_enable */ - au_writel(0x00, 0xb0200058); /* usbd_enable */ - au_writel(0x00, 0xb0300040); /* ir_enable */ - au_writel(0x00, 0xb4004104); /* mac dma */ - au_writel(0x00, 0xb4004114); /* mac dma */ - au_writel(0x00, 0xb4004124); /* mac dma */ - au_writel(0x00, 0xb4004134); /* mac dma */ - au_writel(0x00, 0xb0520000); /* macen0 */ - au_writel(0x00, 0xb0520004); /* macen1 */ - au_writel(0x00, 0xb1000008); /* i2s_enable */ - au_writel(0x00, 0xb1100100); /* uart0_enable */ - au_writel(0x00, 0xb1200100); /* uart1_enable */ - au_writel(0x00, 0xb1300100); /* uart2_enable */ - au_writel(0x00, 0xb1400100); /* uart3_enable */ - au_writel(0x02, 0xb1600100); /* ssi0_enable */ - au_writel(0x02, 0xb1680100); /* ssi1_enable */ - au_writel(0x00, 0xb1900020); /* sys_freqctrl0 */ - au_writel(0x00, 0xb1900024); /* sys_freqctrl1 */ - au_writel(0x00, 0xb1900028); /* sys_clksrc */ - au_writel(0x10, 0xb1900060); /* sys_cpupll */ - au_writel(0x00, 0xb1900064); /* sys_auxpll */ - au_writel(0x00, 0xb1900100); /* sys_pininputen */ - break; - case 0x01000000: /* Au1500 */ - au_writel(0x02, 0xb0000010); /* ac97_enable */ - au_writel(0x08, 0xb017fffc); /* usbh_enable - early errata */ - asm("sync"); - au_writel(0x00, 0xb017fffc); /* usbh_enable */ - au_writel(0x00, 0xb0200058); /* usbd_enable */ - au_writel(0x00, 0xb4004104); /* mac dma */ - au_writel(0x00, 0xb4004114); /* mac dma */ - au_writel(0x00, 0xb4004124); /* mac dma */ - au_writel(0x00, 0xb4004134); /* mac dma */ - au_writel(0x00, 0xb1520000); /* macen0 */ - au_writel(0x00, 0xb1520004); /* macen1 */ - au_writel(0x00, 0xb1100100); /* uart0_enable */ - au_writel(0x00, 0xb1400100); /* uart3_enable */ - au_writel(0x00, 0xb1900020); /* sys_freqctrl0 */ - au_writel(0x00, 0xb1900024); /* sys_freqctrl1 */ - au_writel(0x00, 0xb1900028); /* sys_clksrc */ - au_writel(0x10, 0xb1900060); /* sys_cpupll */ - au_writel(0x00, 0xb1900064); /* sys_auxpll */ - au_writel(0x00, 0xb1900100); /* sys_pininputen */ - break; - case 0x02000000: /* Au1100 */ - au_writel(0x02, 0xb0000010); /* ac97_enable */ - au_writel(0x08, 0xb017fffc); /* usbh_enable - early errata */ - asm("sync"); - au_writel(0x00, 0xb017fffc); /* usbh_enable */ - au_writel(0x00, 0xb0200058); /* usbd_enable */ - au_writel(0x00, 0xb0300040); /* ir_enable */ - au_writel(0x00, 0xb4004104); /* mac dma */ - au_writel(0x00, 0xb4004114); /* mac dma */ - au_writel(0x00, 0xb4004124); /* mac dma */ - au_writel(0x00, 0xb4004134); /* mac dma */ - au_writel(0x00, 0xb0520000); /* macen0 */ - au_writel(0x00, 0xb1000008); /* i2s_enable */ - au_writel(0x00, 0xb1100100); /* uart0_enable */ - au_writel(0x00, 0xb1200100); /* uart1_enable */ - au_writel(0x00, 0xb1400100); /* uart3_enable */ - au_writel(0x02, 0xb1600100); /* ssi0_enable */ - au_writel(0x02, 0xb1680100); /* ssi1_enable */ - au_writel(0x00, 0xb1900020); /* sys_freqctrl0 */ - au_writel(0x00, 0xb1900024); /* sys_freqctrl1 */ - au_writel(0x00, 0xb1900028); /* sys_clksrc */ - au_writel(0x10, 0xb1900060); /* sys_cpupll */ - au_writel(0x00, 0xb1900064); /* sys_auxpll */ - au_writel(0x00, 0xb1900100); /* sys_pininputen */ - break; - case 0x03000000: /* Au1550 */ - au_writel(0x00, 0xb1a00004); /* psc 0 */ - au_writel(0x00, 0xb1b00004); /* psc 1 */ - au_writel(0x00, 0xb0a00004); /* psc 2 */ - au_writel(0x00, 0xb0b00004); /* psc 3 */ - au_writel(0x00, 0xb017fffc); /* usbh_enable */ - au_writel(0x00, 0xb0200058); /* usbd_enable */ - au_writel(0x00, 0xb4004104); /* mac dma */ - au_writel(0x00, 0xb4004114); /* mac dma */ - au_writel(0x00, 0xb4004124); /* mac dma */ - au_writel(0x00, 0xb4004134); /* mac dma */ - au_writel(0x00, 0xb1520000); /* macen0 */ - au_writel(0x00, 0xb1520004); /* macen1 */ - au_writel(0x00, 0xb1100100); /* uart0_enable */ - au_writel(0x00, 0xb1200100); /* uart1_enable */ - au_writel(0x00, 0xb1400100); /* uart3_enable */ - au_writel(0x00, 0xb1900020); /* sys_freqctrl0 */ - au_writel(0x00, 0xb1900024); /* sys_freqctrl1 */ - au_writel(0x00, 0xb1900028); /* sys_clksrc */ - au_writel(0x10, 0xb1900060); /* sys_cpupll */ - au_writel(0x00, 0xb1900064); /* sys_auxpll */ - au_writel(0x00, 0xb1900100); /* sys_pininputen */ - break; - } - - set_c0_status(ST0_BEV | ST0_ERL); - change_c0_config(CONF_CM_CMASK, CONF_CM_UNCACHED); - flush_cache_all(); - write_c0_wired(0); - - /* Give board a chance to do a hardware reset */ - board_reset(); - - /* Jump to the beggining in case board_reset() is empty */ - __asm__ __volatile__("jr\t%0"::"r"(0xbfc00000)); -} - -void au1000_halt(void) -{ -#if defined(CONFIG_MIPS_PB1550) || defined(CONFIG_MIPS_DB1550) - /* Power off system */ - printk(KERN_NOTICE "\n** Powering off...\n"); - au_writew(au_readw(0xAF00001C) | (3 << 14), 0xAF00001C); - au_sync(); - while (1); /* should not get here */ -#else - printk(KERN_NOTICE "\n** You can safely turn off the power\n"); -#ifdef CONFIG_MIPS_MIRAGE - gpio_direction_output(210, 1); -#endif -#ifdef CONFIG_PM - au_sleep(); - - /* Should not get here */ - printk(KERN_ERR "Unable to put CPU in sleep mode\n"); - while (1); -#else - while (1) - __asm__(".set\tmips3\n\t" - "wait\n\t" - ".set\tmips0"); -#endif -#endif /* defined(CONFIG_MIPS_PB1550) || defined(CONFIG_MIPS_DB1550) */ -} - -void au1000_power_off(void) -{ - au1000_halt(); -} diff --git a/arch/mips/alchemy/common/setup.c b/arch/mips/alchemy/common/setup.c index 375984e5c2e..193ba166aff 100644 --- a/arch/mips/alchemy/common/setup.c +++ b/arch/mips/alchemy/common/setup.c @@ -29,18 +29,13 @@ #include <linux/ioport.h> #include <linux/jiffies.h> #include <linux/module.h> -#include <linux/pm.h> #include <asm/mipsregs.h> -#include <asm/reboot.h> #include <asm/time.h> #include <au1000.h> extern void __init board_setup(void); -extern void au1000_restart(char *); -extern void au1000_halt(void); -extern void au1000_power_off(void); extern void set_cpuspec(void); void __init plat_mem_setup(void) @@ -57,10 +52,6 @@ void __init plat_mem_setup(void) /* this is faster than wasting cycles trying to approximate it */ preset_lpj = (est_freq >> 1) / HZ; - _machine_restart = au1000_restart; - _machine_halt = au1000_halt; - pm_power_off = au1000_power_off; - board_setup(); /* board specific setup */ if (au1xxx_cpu_needs_config_od()) diff --git a/arch/mips/alchemy/devboards/db1200/setup.c b/arch/mips/alchemy/devboards/db1200/setup.c index a3458c0e405..379536e3abd 100644 --- a/arch/mips/alchemy/devboards/db1200/setup.c +++ b/arch/mips/alchemy/devboards/db1200/setup.c @@ -9,30 +9,15 @@ #include <linux/interrupt.h> #include <linux/io.h> #include <linux/kernel.h> -#include <linux/pm.h> #include <asm/mach-au1x00/au1000.h> #include <asm/mach-db1x00/bcsr.h> #include <asm/mach-db1x00/db1200.h> -#include <asm/processor.h> -#include <asm/reboot.h> const char *get_system_type(void) { return "Alchemy Db1200"; } -static void board_power_off(void) -{ - bcsr_write(BCSR_RESETS, 0); - bcsr_write(BCSR_SYSTEM, BCSR_SYSTEM_PWROFF | BCSR_SYSTEM_RESET); -} - -void board_reset(void) -{ - bcsr_write(BCSR_RESETS, 0); - bcsr_write(BCSR_SYSTEM, 0); -} - void __init board_setup(void) { unsigned long freq0, clksrc, div, pfc; @@ -73,10 +58,6 @@ void __init board_setup(void) clksrc = SYS_CS_MUX_FQ0 << SYS_CS_ME0_BIT; __raw_writel(clksrc, (void __iomem *)SYS_CLKSRC); wmb(); - - pm_power_off = board_power_off; - _machine_halt = board_power_off; - _machine_restart = (void(*)(char *))board_reset; } /* use the hexleds to count the number of times the cpu has entered diff --git a/arch/mips/alchemy/devboards/db1x00/board_setup.c b/arch/mips/alchemy/devboards/db1x00/board_setup.c index b490efff4dc..56c541d0c55 100644 --- a/arch/mips/alchemy/devboards/db1x00/board_setup.c +++ b/arch/mips/alchemy/devboards/db1x00/board_setup.c @@ -30,11 +30,13 @@ #include <linux/gpio.h> #include <linux/init.h> #include <linux/interrupt.h> +#include <linux/pm.h> #include <asm/mach-au1x00/au1000.h> #include <asm/mach-au1x00/au1xxx_eth.h> #include <asm/mach-db1x00/db1x00.h> #include <asm/mach-db1x00/bcsr.h> +#include <asm/reboot.h> #include <prom.h> @@ -43,6 +45,18 @@ char irq_tab_alchemy[][5] __initdata = { [12] = { -1, AU1500_PCI_INTA, 0xff, 0xff, 0xff }, /* IDSEL 12 - HPT371 */ [13] = { -1, AU1500_PCI_INTA, AU1500_PCI_INTB, AU1500_PCI_INTC, AU1500_PCI_INTD }, /* IDSEL 13 - PCI slot */ }; + +static void bosporus_power_off(void) +{ + printk(KERN_INFO "It's now safe to turn off power\n"); + while (1) + asm volatile (".set mips3 ; wait ; .set mips0"); +} + +const char *get_system_type(void) +{ + return "Alchemy Bosporus Gateway Reference"; +} #endif /* @@ -73,6 +87,16 @@ char irq_tab_alchemy[][5] __initdata = { [12] = { -1, 0xff, 0xff, AU1500_PCI_INTC, 0xff }, /* IDSEL 12 - PNX1300 */ [13] = { -1, AU1500_PCI_INTA, AU1500_PCI_INTB, 0xff, 0xff }, /* IDSEL 13 - miniPCI */ }; + +static void mirage_power_off(void) +{ + alchemy_gpio_direction_output(210, 1); +} + +const char *get_system_type(void) +{ + return "Alchemy Mirage"; +} #endif #ifdef CONFIG_MIPS_DB1550 @@ -83,19 +107,19 @@ char irq_tab_alchemy[][5] __initdata = { }; #endif -const char *get_system_type(void) +#if defined(CONFIG_MIPS_BOSPORUS) || defined(CONFIG_MIPS_MIRAGE) +static void mips_softreset(void) { -#ifdef CONFIG_MIPS_BOSPORUS - return "Alchemy Bosporus Gateway Reference"; -#else - return "Alchemy Db1x00"; -#endif + asm volatile ("jr\t%0" : : "r"(0xbfc00000)); } -void board_reset(void) +#else + +const char *get_system_type(void) { - bcsr_write(BCSR_SYSTEM, 0); + return "Alchemy Db1x00"; } +#endif void __init board_setup(void) { @@ -196,8 +220,17 @@ void __init board_setup(void) * be part of the audio driver. */ alchemy_gpio_direction_output(209, 1); + + pm_power_off = mirage_power_off; + _machine_halt = mirage_power_off; + _machine_restart = (void(*)(char *))mips_softreset; #endif +#ifdef CONFIG_MIPS_BOSPORUS + pm_power_off = bosporus_power_off; + _machine_halt = bosporus_power_off; + _machine_restart = (void(*)(char *))mips_softreset; +#endif au_sync(); } diff --git a/arch/mips/alchemy/devboards/platform.c b/arch/mips/alchemy/devboards/platform.c index 7f2bcee7ac3..febf4e04234 100644 --- a/arch/mips/alchemy/devboards/platform.c +++ b/arch/mips/alchemy/devboards/platform.c @@ -8,6 +8,35 @@ #include <linux/mtd/physmap.h> #include <linux/slab.h> #include <linux/platform_device.h> +#include <linux/pm.h> + +#include <asm/reboot.h> +#include <asm/mach-db1x00/bcsr.h> + +static void db1x_power_off(void) +{ + bcsr_write(BCSR_RESETS, 0); + bcsr_write(BCSR_SYSTEM, BCSR_SYSTEM_PWROFF | BCSR_SYSTEM_RESET); +} + +static void db1x_reset(char *c) +{ + bcsr_write(BCSR_RESETS, 0); + bcsr_write(BCSR_SYSTEM, 0); +} + +static int __init db1x_poweroff_setup(void) +{ + if (!pm_power_off) + pm_power_off = db1x_power_off; + if (!_machine_halt) + _machine_halt = db1x_power_off; + if (!_machine_restart) + _machine_restart = db1x_reset; + + return 0; +} +late_initcall(db1x_poweroff_setup); /* register a pcmcia socket */ int __init db1x_register_pcmcia_socket(unsigned long pseudo_attr_start, diff --git a/arch/mips/alchemy/mtx-1/board_setup.c b/arch/mips/alchemy/mtx-1/board_setup.c index 13577eec8b4..e2838c6185d 100644 --- a/arch/mips/alchemy/mtx-1/board_setup.c +++ b/arch/mips/alchemy/mtx-1/board_setup.c @@ -31,7 +31,9 @@ #include <linux/gpio.h> #include <linux/init.h> #include <linux/interrupt.h> +#include <linux/pm.h> +#include <asm/reboot.h> #include <asm/mach-au1x00/au1000.h> #include <prom.h> @@ -50,12 +52,19 @@ char irq_tab_alchemy[][5] __initdata = { extern int (*board_pci_idsel)(unsigned int devsel, int assert); int mtx1_pci_idsel(unsigned int devsel, int assert); -void board_reset(void) +static void mtx1_reset(char *c) { /* Hit BCSR.SYSTEM_CONTROL[SW_RST] */ au_writel(0x00000000, 0xAE00001C); } +static void mtx1_power_off(void) +{ + printk(KERN_ALERT "It's now safe to remove power\n"); + while (1) + asm volatile (".set mips3 ; wait ; .set mips1"); +} + void __init board_setup(void) { #ifdef CONFIG_SERIAL_8250_CONSOLE @@ -98,6 +107,10 @@ void __init board_setup(void) alchemy_gpio_direction_output(211, 1); /* green on */ alchemy_gpio_direction_output(212, 0); /* red off */ + pm_power_off = mtx1_power_off; + _machine_halt = mtx1_power_off; + _machine_restart = mtx1_reset; + printk(KERN_INFO "4G Systems MTX-1 Board\n"); } diff --git a/arch/mips/alchemy/xxs1500/board_setup.c b/arch/mips/alchemy/xxs1500/board_setup.c index 21bef8dc088..7956afa78c4 100644 --- a/arch/mips/alchemy/xxs1500/board_setup.c +++ b/arch/mips/alchemy/xxs1500/board_setup.c @@ -27,17 +27,26 @@ #include <linux/init.h> #include <linux/interrupt.h> #include <linux/delay.h> +#include <linux/pm.h> +#include <asm/reboot.h> #include <asm/mach-au1x00/au1000.h> #include <prom.h> -void board_reset(void) +static void xxs1500_reset(char *c) { /* Hit BCSR.SYSTEM_CONTROL[SW_RST] */ au_writel(0x00000000, 0xAE00001C); } +static void xxs1500_power_off(void) +{ + printk(KERN_ALERT "It's now safe to remove power\n"); + while (1) + asm volatile (".set mips3 ; wait ; .set mips1"); +} + void __init board_setup(void) { u32 pin_func; @@ -52,6 +61,10 @@ void __init board_setup(void) } #endif + pm_power_off = xxs1500_power_off; + _machine_halt = xxs1500_power_off; + _machine_restart = xxs1500_reset; + alchemy_gpio1_input_enable(); alchemy_gpio2_enable(); |