diff options
Diffstat (limited to 'arch/arm/mach-exynos/cpuidle.c')
| -rw-r--r-- | arch/arm/mach-exynos/cpuidle.c | 33 |
1 files changed, 25 insertions, 8 deletions
diff --git a/arch/arm/mach-exynos/cpuidle.c b/arch/arm/mach-exynos/cpuidle.c index ddbfe8709fe7..f57cb91f02aa 100644 --- a/arch/arm/mach-exynos/cpuidle.c +++ b/arch/arm/mach-exynos/cpuidle.c @@ -22,13 +22,15 @@ #include <asm/suspend.h> #include <asm/unified.h> #include <asm/cpuidle.h> -#include <mach/regs-clock.h> -#include <mach/regs-pmu.h> #include <plat/cpu.h> #include <plat/pm.h> +#include <mach/pm-core.h> +#include <mach/map.h> + #include "common.h" +#include "regs-pmu.h" #define REG_DIRECTGO_ADDR (samsung_rev() == EXYNOS4210_REV_1_1 ? \ S5P_INFORM7 : (samsung_rev() == EXYNOS4210_REV_1_0 ? \ @@ -39,6 +41,25 @@ #define S5P_CHECK_AFTR 0xFCBA0D10 +#define EXYNOS5_PWR_CTRL1 (S5P_VA_CMU + 0x01020) +#define EXYNOS5_PWR_CTRL2 (S5P_VA_CMU + 0x01024) + +#define PWR_CTRL1_CORE2_DOWN_RATIO (7 << 28) +#define PWR_CTRL1_CORE1_DOWN_RATIO (7 << 16) +#define PWR_CTRL1_DIV2_DOWN_EN (1 << 9) +#define PWR_CTRL1_DIV1_DOWN_EN (1 << 8) +#define PWR_CTRL1_USE_CORE1_WFE (1 << 5) +#define PWR_CTRL1_USE_CORE0_WFE (1 << 4) +#define PWR_CTRL1_USE_CORE1_WFI (1 << 1) +#define PWR_CTRL1_USE_CORE0_WFI (1 << 0) + +#define PWR_CTRL2_DIV2_UP_EN (1 << 25) +#define PWR_CTRL2_DIV1_UP_EN (1 << 24) +#define PWR_CTRL2_DUR_STANDBY2_VAL (1 << 16) +#define PWR_CTRL2_DUR_STANDBY1_VAL (1 << 8) +#define PWR_CTRL2_CORE2_UP_RATIO (1 << 4) +#define PWR_CTRL2_CORE1_UP_RATIO (1 << 0) + static int exynos4_enter_lowpower(struct cpuidle_device *dev, struct cpuidle_driver *drv, int index); @@ -151,8 +172,8 @@ static int exynos4_enter_lowpower(struct cpuidle_device *dev, { int new_index = index; - /* This mode only can be entered when other core's are offline */ - if (num_online_cpus() > 1) + /* AFTR can only be entered when cores other than CPU0 are offline */ + if (num_online_cpus() > 1 || dev->cpu != 0) new_index = drv->safe_state_index; if (new_index == 0) @@ -214,10 +235,6 @@ static int exynos_cpuidle_probe(struct platform_device *pdev) device = &per_cpu(exynos4_cpuidle_device, cpu_id); device->cpu = cpu_id; - /* Support IDLE only */ - if (cpu_id != 0) - device->state_count = 1; - ret = cpuidle_register_device(device); if (ret) { dev_err(&pdev->dev, "failed to register cpuidle device\n"); |
