Revert "ARM: exynos4: remove useless code to save/restore L2 and GIC state"

This reverts commit 8fd58dae73909854c3c24ab3b8935f19a53b65eb.

1 files changed, 87 insertions, 0 deletions

diff --git a/arch/arm/mach-exynos/pm.c b/arch/arm/mach-exynos/pm.c
index c472701a6638..08ae385a65ce 100644
--- a/arch/arm/mach-exynos/pm.c
+++ b/arch/arm/mach-exynos/pm.c
@@ -63,6 +63,77 @@ static struct sleep_save exynos4_vpll_save[] = {
 };
 
 static struct sleep_save exynos4_core_save[] = {
+	/* GIC side */
+	SAVE_ITEM(S5P_VA_GIC_CPU + 0x000),
+	SAVE_ITEM(S5P_VA_GIC_CPU + 0x004),
+	SAVE_ITEM(S5P_VA_GIC_CPU + 0x008),
+	SAVE_ITEM(S5P_VA_GIC_CPU + 0x00C),
+	SAVE_ITEM(S5P_VA_GIC_CPU + 0x014),
+	SAVE_ITEM(S5P_VA_GIC_CPU + 0x018),
+	SAVE_ITEM(S5P_VA_GIC_DIST + 0x000),
+	SAVE_ITEM(S5P_VA_GIC_DIST + 0x004),
+	SAVE_ITEM(S5P_VA_GIC_DIST + 0x100),
+	SAVE_ITEM(S5P_VA_GIC_DIST + 0x104),
+	SAVE_ITEM(S5P_VA_GIC_DIST + 0x108),
+	SAVE_ITEM(S5P_VA_GIC_DIST + 0x300),
+	SAVE_ITEM(S5P_VA_GIC_DIST + 0x304),
+	SAVE_ITEM(S5P_VA_GIC_DIST + 0x308),
+	SAVE_ITEM(S5P_VA_GIC_DIST + 0x400),
+	SAVE_ITEM(S5P_VA_GIC_DIST + 0x404),
+	SAVE_ITEM(S5P_VA_GIC_DIST + 0x408),
+	SAVE_ITEM(S5P_VA_GIC_DIST + 0x40C),
+	SAVE_ITEM(S5P_VA_GIC_DIST + 0x410),
+	SAVE_ITEM(S5P_VA_GIC_DIST + 0x414),
+	SAVE_ITEM(S5P_VA_GIC_DIST + 0x418),
+	SAVE_ITEM(S5P_VA_GIC_DIST + 0x41C),
+	SAVE_ITEM(S5P_VA_GIC_DIST + 0x420),
+	SAVE_ITEM(S5P_VA_GIC_DIST + 0x424),
+	SAVE_ITEM(S5P_VA_GIC_DIST + 0x428),
+	SAVE_ITEM(S5P_VA_GIC_DIST + 0x42C),
+	SAVE_ITEM(S5P_VA_GIC_DIST + 0x430),
+	SAVE_ITEM(S5P_VA_GIC_DIST + 0x434),
+	SAVE_ITEM(S5P_VA_GIC_DIST + 0x438),
+	SAVE_ITEM(S5P_VA_GIC_DIST + 0x43C),
+	SAVE_ITEM(S5P_VA_GIC_DIST + 0x440),
+	SAVE_ITEM(S5P_VA_GIC_DIST + 0x444),
+	SAVE_ITEM(S5P_VA_GIC_DIST + 0x448),
+	SAVE_ITEM(S5P_VA_GIC_DIST + 0x44C),
+	SAVE_ITEM(S5P_VA_GIC_DIST + 0x450),
+	SAVE_ITEM(S5P_VA_GIC_DIST + 0x454),
+	SAVE_ITEM(S5P_VA_GIC_DIST + 0x458),
+	SAVE_ITEM(S5P_VA_GIC_DIST + 0x45C),
+
+	SAVE_ITEM(S5P_VA_GIC_DIST + 0x800),
+	SAVE_ITEM(S5P_VA_GIC_DIST + 0x804),
+	SAVE_ITEM(S5P_VA_GIC_DIST + 0x808),
+	SAVE_ITEM(S5P_VA_GIC_DIST + 0x80C),
+	SAVE_ITEM(S5P_VA_GIC_DIST + 0x810),
+	SAVE_ITEM(S5P_VA_GIC_DIST + 0x814),
+	SAVE_ITEM(S5P_VA_GIC_DIST + 0x818),
+	SAVE_ITEM(S5P_VA_GIC_DIST + 0x81C),
+	SAVE_ITEM(S5P_VA_GIC_DIST + 0x820),
+	SAVE_ITEM(S5P_VA_GIC_DIST + 0x824),
+	SAVE_ITEM(S5P_VA_GIC_DIST + 0x828),
+	SAVE_ITEM(S5P_VA_GIC_DIST + 0x82C),
+	SAVE_ITEM(S5P_VA_GIC_DIST + 0x830),
+	SAVE_ITEM(S5P_VA_GIC_DIST + 0x834),
+	SAVE_ITEM(S5P_VA_GIC_DIST + 0x838),
+	SAVE_ITEM(S5P_VA_GIC_DIST + 0x83C),
+	SAVE_ITEM(S5P_VA_GIC_DIST + 0x840),
+	SAVE_ITEM(S5P_VA_GIC_DIST + 0x844),
+	SAVE_ITEM(S5P_VA_GIC_DIST + 0x848),
+	SAVE_ITEM(S5P_VA_GIC_DIST + 0x84C),
+	SAVE_ITEM(S5P_VA_GIC_DIST + 0x850),
+	SAVE_ITEM(S5P_VA_GIC_DIST + 0x854),
+	SAVE_ITEM(S5P_VA_GIC_DIST + 0x858),
+	SAVE_ITEM(S5P_VA_GIC_DIST + 0x85C),
+
+	SAVE_ITEM(S5P_VA_GIC_DIST + 0xC00),
+	SAVE_ITEM(S5P_VA_GIC_DIST + 0xC04),
+	SAVE_ITEM(S5P_VA_GIC_DIST + 0xC08),
+	SAVE_ITEM(S5P_VA_GIC_DIST + 0xC0C),
+	SAVE_ITEM(S5P_VA_GIC_DIST + 0xC10),
+	SAVE_ITEM(S5P_VA_GIC_DIST + 0xC14),
 
 	SAVE_ITEM(S5P_VA_COMBINER_BASE + 0x000),
 	SAVE_ITEM(S5P_VA_COMBINER_BASE + 0x010),
@@ -83,6 +154,14 @@ static struct sleep_save exynos4_core_save[] = {
 	SAVE_ITEM(S5P_SROM_BC3),
 };
 
+static struct sleep_save exynos4_l2cc_save[] = {
+	SAVE_ITEM(S5P_VA_L2CC + L2X0_TAG_LATENCY_CTRL),
+	SAVE_ITEM(S5P_VA_L2CC + L2X0_DATA_LATENCY_CTRL),
+	SAVE_ITEM(S5P_VA_L2CC + L2X0_PREFETCH_CTRL),
+	SAVE_ITEM(S5P_VA_L2CC + L2X0_POWER_CTRL),
+	SAVE_ITEM(S5P_VA_L2CC + L2X0_AUX_CTRL),
+};
+
 /* For Cortex-A9 Diagnostic and Power control register */
 static unsigned int save_arm_register[2];
 
@@ -102,6 +181,7 @@ static void exynos4_pm_prepare(void)
 	u32 tmp;
 
 	s3c_pm_do_save(exynos4_core_save, ARRAY_SIZE(exynos4_core_save));
+	s3c_pm_do_save(exynos4_l2cc_save, ARRAY_SIZE(exynos4_l2cc_save));
 	s3c_pm_do_save(exynos4_epll_save, ARRAY_SIZE(exynos4_epll_save));
 	s3c_pm_do_save(exynos4_vpll_save, ARRAY_SIZE(exynos4_vpll_save));
 
@@ -324,6 +404,13 @@ static void exynos4_pm_resume(void)
 
 	exynos4_scu_enable(S5P_VA_SCU);
 
+#ifdef CONFIG_CACHE_L2X0
+	s3c_pm_do_restore_core(exynos4_l2cc_save, ARRAY_SIZE(exynos4_l2cc_save));
+	outer_inv_all();
+	/* enable L2X0*/
+	writel_relaxed(1, S5P_VA_L2CC + L2X0_CTRL);
+#endif
+
 early_wakeup:
 	/* Clear INFORM Register */
 	__raw_writel(0, S5P_INFORM1);