1 files changed, 53 insertions, 0 deletions
diff --git a/patches.tizen/0341-ARM-EXYNOS-firmware-Implement-l2x0_resume-operation.patch b/patches.tizen/0341-ARM-EXYNOS-firmware-Implement-l2x0_resume-operation.patch
new file mode 100644
index 00000000000..32ee4158b9a
--- /dev/null
+++ b/patches.tizen/0341-ARM-EXYNOS-firmware-Implement-l2x0_resume-operation.patch
@@ -0,0 +1,53 @@
+From 325da1189ff8c8da69704ccec9f573c268300ef2 Mon Sep 17 00:00:00 2001
+From: Tomasz Figa <t.figa@samsung.com>
+Date: Wed, 5 Jun 2013 17:38:51 +0200
+Subject: [PATCH 0341/1302] ARM: EXYNOS: firmware: Implement l2x0_resume
+ operation
+
+Signed-off-by: Tomasz Figa <t.figa@samsung.com>
+Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
+---
+ arch/arm/mach-exynos/firmware.c | 13 +++++++++++++
+ 1 file changed, 13 insertions(+)
+
+diff --git a/arch/arm/mach-exynos/firmware.c b/arch/arm/mach-exynos/firmware.c
+index 3f98bf7..bce0b97 100644
+--- a/arch/arm/mach-exynos/firmware.c
++++ b/arch/arm/mach-exynos/firmware.c
+@@ -15,6 +15,7 @@
+ #include <linux/of_address.h>
+ 
+ #include <asm/firmware.h>
++#include <asm/hardware/cache-l2x0.h>
+ 
+ #include <mach/map.h>
+ 
+@@ -49,6 +50,17 @@ static int exynos_l2x0_init(void)
+ 	return 0;
+ }
+ 
++static int exynos_l2x0_resume(void)
++{
++	exynos_smc(SMC_CMD_L2X0SETUP1, l2x0_saved_regs.tag_latency,
++		   l2x0_saved_regs.data_latency, l2x0_saved_regs.prefetch_ctrl);
++	exynos_smc(SMC_CMD_L2X0SETUP2, 0x3, 0x7C470001, 0xC200FFFF);
++	exynos_smc(SMC_CMD_L2X0INVALL, 0, 0, 0);
++	exynos_smc(SMC_CMD_L2X0CTRL, 1, 0, 0);
++
++	return 0;
++}
++
+ static int exynos_suspend(unsigned long resume_addr)
+ {
+ 	writel(EXYNOS_SLEEP_MAGIC, S5P_VA_SYSRAM_NS + 0xC);
+@@ -77,6 +89,7 @@ static const struct firmware_ops exynos_firmware_ops = {
+ 	.set_cpu_boot_addr	= exynos_set_cpu_boot_addr,
+ 	.cpu_boot		= exynos_cpu_boot,
+ 	.l2x0_init	= exynos_l2x0_init,
++	.l2x0_resume	= exynos_l2x0_resume,
+ 	.suspend	= exynos_suspend,
+ 	.resume		= exynos_resume,
+ 	.c15resume	= exynos_c15resume,
+-- 
+1.8.3.2
+