diff options
| -rw-r--r-- | arch/arm/mach-s5pc100/cpu.c | 22 | ||||
| -rw-r--r-- | arch/arm/mach-s5pc100/include/mach/system.h | 13 | ||||
| -rw-r--r-- | arch/arm/plat-s3c/include/plat/cpu.h | 6 | ||||
| -rw-r--r-- | arch/arm/plat-s5pc1xx/include/plat/regs-power.h | 84 |
4 files changed, 122 insertions, 3 deletions
diff --git a/arch/arm/mach-s5pc100/cpu.c b/arch/arm/mach-s5pc100/cpu.c index 0e718890da3..a23ca5795bc 100644 --- a/arch/arm/mach-s5pc100/cpu.c +++ b/arch/arm/mach-s5pc100/cpu.c @@ -22,6 +22,8 @@ #include <linux/serial_core.h> #include <linux/platform_device.h> +#include <asm/proc-fns.h> + #include <asm/mach/arch.h> #include <asm/mach/map.h> #include <asm/mach/irq.h> @@ -32,6 +34,7 @@ #include <plat/cpu-freq.h> #include <plat/regs-serial.h> +#include <plat/regs-power.h> #include <plat/cpu.h> #include <plat/devs.h> @@ -45,6 +48,23 @@ static struct map_desc s5pc100_iodesc[] __initdata = { }; +static void s5pc100_idle(void) +{ + unsigned long tmp; + + tmp = __raw_readl(S5PC100_PWR_CFG); + tmp &= ~S5PC100_PWRCFG_CFG_DEEP_IDLE; + tmp &= ~S5PC100_PWRCFG_CFG_WFI_MASK; + tmp |= S5PC100_PWRCFG_CFG_WFI_DEEP_IDLE; + __raw_writel(tmp, S5PC100_PWR_CFG); + + tmp = __raw_readl(S5PC100_OTHERS); + tmp |= S5PC100_PMU_INT_DISABLE; + __raw_writel(tmp, S5PC100_OTHERS); + + cpu_do_idle(); +} + /* s5pc100_map_io * * register the standard cpu IO areas @@ -93,5 +113,7 @@ int __init s5pc100_init(void) { printk(KERN_DEBUG "S5PC100: Initialising architecture\n"); + s5pc1xx_idle = s5pc100_idle; + return sysdev_register(&s5pc100_sysdev); } diff --git a/arch/arm/mach-s5pc100/include/mach/system.h b/arch/arm/mach-s5pc100/include/mach/system.h index e3901437547..f0d31a2a598 100644 --- a/arch/arm/mach-s5pc100/include/mach/system.h +++ b/arch/arm/mach-s5pc100/include/mach/system.h @@ -11,14 +11,21 @@ #ifndef __ASM_ARCH_SYSTEM_H #define __ASM_ARCH_SYSTEM_H __FILE__ +#include <linux/io.h> +#include <mach/map.h> +#include <plat/regs-clock.h> + +void (*s5pc1xx_idle)(void); + static void arch_idle(void) { - /* nothing here yet */ + if (s5pc1xx_idle) + s5pc1xx_idle(); } static void arch_reset(char mode, const char *cmd) { - /* nothing here yet */ + __raw_writel(S5PC100_SWRESET_RESETVAL, S5PC100_SWRESET); + return; } - #endif /* __ASM_ARCH_IRQ_H */ diff --git a/arch/arm/plat-s3c/include/plat/cpu.h b/arch/arm/plat-s3c/include/plat/cpu.h index fbc3d498e02..d1131ca11e9 100644 --- a/arch/arm/plat-s3c/include/plat/cpu.h +++ b/arch/arm/plat-s3c/include/plat/cpu.h @@ -12,6 +12,9 @@ /* todo - fix when rmk changes iodescs to use `void __iomem *` */ +#ifndef __SAMSUNG_PLAT_CPU_H +#define __SAMSUNG_PLAT_CPU_H + #define IODESC_ENT(x) { (unsigned long)S3C24XX_VA_##x, __phys_to_pfn(S3C24XX_PA_##x), S3C24XX_SZ_##x, MT_DEVICE } #ifndef MHZ @@ -73,3 +76,6 @@ extern struct sysdev_class s3c2443_sysclass; extern struct sysdev_class s3c6410_sysclass; extern struct sysdev_class s3c64xx_sysclass; +extern void (*s5pc1xx_idle)(void); + +#endif diff --git a/arch/arm/plat-s5pc1xx/include/plat/regs-power.h b/arch/arm/plat-s5pc1xx/include/plat/regs-power.h new file mode 100644 index 00000000000..02ffa491b53 --- /dev/null +++ b/arch/arm/plat-s5pc1xx/include/plat/regs-power.h @@ -0,0 +1,84 @@ +/* arch/arm/plat-s5pc1xx/include/plat/regs-clock.h + * + * Copyright 2009 Samsung Electronics Co. + * Jongse Won <jongse.won@samsung.com> + * + * S5PC1XX clock register definitions + * + * 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_ARM_REGS_PWR +#define __ASM_ARM_REGS_PWR __FILE__ + +#define S5PC1XX_PWRREG(x) (S5PC1XX_VA_PWR + (x)) + +/* s5pc100 (0xE0108000) register for power management */ +#define S5PC100_PWR_CFG S5PC1XX_PWRREG(0x0) +#define S5PC100_EINT_WAKEUP_MASK S5PC1XX_PWRREG(0x4) +#define S5PC100_NORMAL_CFG S5PC1XX_PWRREG(0x10) +#define S5PC100_STOP_CFG S5PC1XX_PWRREG(0x14) +#define S5PC100_SLEEP_CFG S5PC1XX_PWRREG(0x18) +#define S5PC100_STOP_MEM_CFG S5PC1XX_PWRREG(0x1C) +#define S5PC100_OSC_FREQ S5PC1XX_PWRREG(0x100) +#define S5PC100_OSC_STABLE S5PC1XX_PWRREG(0x104) +#define S5PC100_PWR_STABLE S5PC1XX_PWRREG(0x108) +#define S5PC100_MTC_STABLE S5PC1XX_PWRREG(0x110) +#define S5PC100_CLAMP_STABLE S5PC1XX_PWRREG(0x114) +#define S5PC100_OTHERS S5PC1XX_PWRREG(0x200) +#define S5PC100_RST_STAT S5PC1XX_PWRREG(0x300) +#define S5PC100_WAKEUP_STAT S5PC1XX_PWRREG(0x304) +#define S5PC100_BLK_PWR_STAT S5PC1XX_PWRREG(0x308) +#define S5PC100_INFORM0 S5PC1XX_PWRREG(0x400) +#define S5PC100_INFORM1 S5PC1XX_PWRREG(0x404) +#define S5PC100_INFORM2 S5PC1XX_PWRREG(0x408) +#define S5PC100_INFORM3 S5PC1XX_PWRREG(0x40C) +#define S5PC100_INFORM4 S5PC1XX_PWRREG(0x410) +#define S5PC100_INFORM5 S5PC1XX_PWRREG(0x414) +#define S5PC100_INFORM6 S5PC1XX_PWRREG(0x418) +#define S5PC100_INFORM7 S5PC1XX_PWRREG(0x41C) +#define S5PC100_DCGIDX_MAP0 S5PC1XX_PWRREG(0x500) +#define S5PC100_DCGIDX_MAP1 S5PC1XX_PWRREG(0x504) +#define S5PC100_DCGIDX_MAP2 S5PC1XX_PWRREG(0x508) +#define S5PC100_DCGPERF_MAP0 S5PC1XX_PWRREG(0x50C) +#define S5PC100_DCGPERF_MAP1 S5PC1XX_PWRREG(0x510) +#define S5PC100_DVCIDX_MAP S5PC1XX_PWRREG(0x514) +#define S5PC100_FREQ_CPU S5PC1XX_PWRREG(0x518) +#define S5PC100_FREQ_DPM S5PC1XX_PWRREG(0x51C) +#define S5PC100_DVSEMCLK_EN S5PC1XX_PWRREG(0x520) +#define S5PC100_APLL_CON_L8 S5PC1XX_PWRREG(0x600) +#define S5PC100_APLL_CON_L7 S5PC1XX_PWRREG(0x604) +#define S5PC100_APLL_CON_L6 S5PC1XX_PWRREG(0x608) +#define S5PC100_APLL_CON_L5 S5PC1XX_PWRREG(0x60C) +#define S5PC100_APLL_CON_L4 S5PC1XX_PWRREG(0x610) +#define S5PC100_APLL_CON_L3 S5PC1XX_PWRREG(0x614) +#define S5PC100_APLL_CON_L2 S5PC1XX_PWRREG(0x618) +#define S5PC100_APLL_CON_L1 S5PC1XX_PWRREG(0x61C) +#define S5PC100_IEM_CONTROL S5PC1XX_PWRREG(0x620) +#define S5PC100_CLKDIV_IEM_L8 S5PC1XX_PWRREG(0x700) +#define S5PC100_CLKDIV_IEM_L7 S5PC1XX_PWRREG(0x704) +#define S5PC100_CLKDIV_IEM_L6 S5PC1XX_PWRREG(0x708) +#define S5PC100_CLKDIV_IEM_L5 S5PC1XX_PWRREG(0x70C) +#define S5PC100_CLKDIV_IEM_L4 S5PC1XX_PWRREG(0x710) +#define S5PC100_CLKDIV_IEM_L3 S5PC1XX_PWRREG(0x714) +#define S5PC100_CLKDIV_IEM_L2 S5PC1XX_PWRREG(0x718) +#define S5PC100_CLKDIV_IEM_L1 S5PC1XX_PWRREG(0x71C) +#define S5PC100_IEM_HPMCLK_DIV S5PC1XX_PWRREG(0x724) + +/* PWR_CFG */ +#define S5PC100_PWRCFG_CFG_DEEP_IDLE (1 << 31) +#define S5PC100_PWRCFG_CFG_WFI_MASK (3 << 5) +#define S5PC100_PWRCFG_CFG_WFI_IDLE (0 << 5) +#define S5PC100_PWRCFG_CFG_WFI_DEEP_IDLE (1 << 5) +#define S5PC100_PWRCFG_CFG_WFI_STOP (2 << 5) +#define S5PC100_PWRCFG_CFG_WFI_SLEEP (3 << 5) + +/* SLEEP_CFG */ +#define S5PC100_SLEEP_OSC_EN_SLEEP (1 << 0) + +/* OTHERS */ +#define S5PC100_PMU_INT_DISABLE (1 << 24) + +#endif /* __ASM_ARM_REGS_PWR */ |