ARM: EXYNOS4: Add more registers to be saved and restored for PM

We need more registers to be saved and restored for PM of EXYNOS4210.
Otherwise, with additional drivers running, suspend-to-RAM fails to
wake up properly. This patch adds registers omitted in the initial PM
patches.

Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

diff --git a/arch/arm/mach-exynos4/pm.c b/arch/arm/mach-exynos4/pm.c
index 3da1716afc5cf76cd0269771c1a522eb7e597642..9ef2e99fb8b6fb5ff2add3aa638b097772cc49d3 100644 (file)
--- a/arch/arm/mach-exynos4/pm.c
+++ b/arch/arm/mach-exynos4/pm.c
@@ -27,6 +27,7 @@
 #include <plat/cpu.h>
 #include <plat/pm.h>
 #include <plat/pll.h>
+#include <plat/regs-srom.h>
 
 #include <mach/regs-irq.h>
 #include <mach/regs-gpio.h>
@@ -67,7 +68,9 @@ static struct sleep_save exynos4_core_save[] = {
        SAVE_ITEM(S5P_CLKSRC_TOP0),
        SAVE_ITEM(S5P_CLKSRC_TOP1),
        SAVE_ITEM(S5P_CLKSRC_CAM),
+       SAVE_ITEM(S5P_CLKSRC_TV),
        SAVE_ITEM(S5P_CLKSRC_MFC),
+       SAVE_ITEM(S5P_CLKSRC_G3D),
        SAVE_ITEM(S5P_CLKSRC_IMAGE),
        SAVE_ITEM(S5P_CLKSRC_LCD0),
        SAVE_ITEM(S5P_CLKSRC_LCD1),
@@ -94,6 +97,7 @@ static struct sleep_save exynos4_core_save[] = {
        SAVE_ITEM(S5P_CLKDIV_PERIL4),
        SAVE_ITEM(S5P_CLKDIV_PERIL5),
        SAVE_ITEM(S5P_CLKDIV_TOP),
+       SAVE_ITEM(S5P_CLKSRC_MASK_TOP),
        SAVE_ITEM(S5P_CLKSRC_MASK_CAM),
        SAVE_ITEM(S5P_CLKSRC_MASK_TV),
        SAVE_ITEM(S5P_CLKSRC_MASK_LCD0),
@@ -102,6 +106,7 @@ static struct sleep_save exynos4_core_save[] = {
        SAVE_ITEM(S5P_CLKSRC_MASK_FSYS),
        SAVE_ITEM(S5P_CLKSRC_MASK_PERIL0),
        SAVE_ITEM(S5P_CLKSRC_MASK_PERIL1),
+       SAVE_ITEM(S5P_CLKDIV2_RATIO),
        SAVE_ITEM(S5P_CLKGATE_SCLKCAM),
        SAVE_ITEM(S5P_CLKGATE_IP_CAM),
        SAVE_ITEM(S5P_CLKGATE_IP_TV),
@@ -122,8 +127,10 @@ static struct sleep_save exynos4_core_save[] = {
        SAVE_ITEM(S5P_CLKGATE_IP_DMC),
        SAVE_ITEM(S5P_CLKSRC_CPU),
        SAVE_ITEM(S5P_CLKDIV_CPU),
+       SAVE_ITEM(S5P_CLKDIV_CPU + 0x4),
        SAVE_ITEM(S5P_CLKGATE_SCLKCPU),
        SAVE_ITEM(S5P_CLKGATE_IP_CPU),
+
        /* GIC side */
        SAVE_ITEM(S5P_VA_GIC_CPU + 0x000),
        SAVE_ITEM(S5P_VA_GIC_CPU + 0x004),
@@ -206,6 +213,13 @@ static struct sleep_save exynos4_core_save[] = {
        SAVE_ITEM(S5P_VA_COMBINER_BASE + 0x070),
        SAVE_ITEM(S5P_VA_COMBINER_BASE + 0x080),
        SAVE_ITEM(S5P_VA_COMBINER_BASE + 0x090),
+
+       /* SROM side */
+       SAVE_ITEM(S5P_SROM_BW),
+       SAVE_ITEM(S5P_SROM_BC0),
+       SAVE_ITEM(S5P_SROM_BC1),
+       SAVE_ITEM(S5P_SROM_BC2),
+       SAVE_ITEM(S5P_SROM_BC3),
 };
 
 static struct sleep_save exynos4_l2cc_save[] = {