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Commit b93cb91b authored by MyungJoo Ham's avatar MyungJoo Ham Committed by Kukjin Kim
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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: default avatarMyungJoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: default avatarKyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: default avatarKukjin Kim <kgene.kim@samsung.com>
parent d40474c8

arch/arm/mach-exynos4/pm.c

+14 −0
Original line number Diff line number Diff line
@@ -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[] = {