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-rw-r--r--arch/arm/mach-exynos/pm.c16
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;
}