diff options
Diffstat (limited to 'arch/arm/mach-exynos/pm.c')
-rw-r--r-- | arch/arm/mach-exynos/pm.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/arm/mach-exynos/pm.c b/arch/arm/mach-exynos/pm.c index c06c992943a..b9b539cac81 100644 --- a/arch/arm/mach-exynos/pm.c +++ b/arch/arm/mach-exynos/pm.c @@ -62,6 +62,10 @@ static struct sleep_save exynos4_vpll_save[] = { SAVE_ITEM(EXYNOS4_VPLL_CON1), }; +static struct sleep_save exynos5_sys_save[] = { + SAVE_ITEM(EXYNOS5_SYS_I2C_CFG), +}; + static struct sleep_save exynos_core_save[] = { /* SROM side */ SAVE_ITEM(S5P_SROM_BW), @@ -81,6 +85,9 @@ static int exynos_cpu_suspend(unsigned long arg) outer_flush_all(); #endif + if (soc_is_exynos5250()) + flush_cache_all(); + /* issue the standby signal into the pm unit. */ cpu_do_idle(); @@ -98,6 +105,7 @@ static void exynos_pm_prepare(void) 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 { + s3c_pm_do_save(exynos5_sys_save, ARRAY_SIZE(exynos5_sys_save)); /* Disable USE_RETENTION of JPEG_MEM_OPTION */ tmp = __raw_readl(EXYNOS5_JPEG_MEM_OPTION); tmp &= ~EXYNOS5_OPTION_USE_RETENTION; @@ -301,6 +309,10 @@ static void exynos_pm_resume(void) __raw_writel((1 << 28), S5P_PAD_RET_EBIA_OPTION); __raw_writel((1 << 28), S5P_PAD_RET_EBIB_OPTION); + if (soc_is_exynos5250()) + s3c_pm_do_restore(exynos5_sys_save, + ARRAY_SIZE(exynos5_sys_save)); + s3c_pm_do_restore_core(exynos_core_save, ARRAY_SIZE(exynos_core_save)); if (!soc_is_exynos5250()) { @@ -312,6 +324,10 @@ static void exynos_pm_resume(void) } early_wakeup: + + /* Clear SLEEP mode set in INFORM1 */ + __raw_writel(0x0, S5P_INFORM1); + return; } |