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authorLee Jones <lee.jones@linaro.org>2012-01-12 12:50:11 +0000
committerLee Jones <lee.jones@linaro.org>2012-01-12 12:50:11 +0000
commit72108d578689febd3579bf16be470328ded6c6d9 (patch)
treecc36ad5306ce823f8e98956c8f048f48017be3cc /arch/arm/mach-exynos4/sleep.S
parent330f78a83c1f47055427e10a68733af77b2cbac8 (diff)
parent2150f72fe35397cc6d6ce39866bd0462cfbcc916 (diff)
Automatically merging tracking-igloo_kernel-other into merging-stable-linaro-ux500-3.1stable-linaro-ux500-3.1
Conflicting files:
Diffstat (limited to 'arch/arm/mach-exynos4/sleep.S')
-rw-r--r--arch/arm/mach-exynos4/sleep.S29
1 files changed, 27 insertions, 2 deletions
diff --git a/arch/arm/mach-exynos4/sleep.S b/arch/arm/mach-exynos4/sleep.S
index 0984078f1eb..3284213a1a3 100644
--- a/arch/arm/mach-exynos4/sleep.S
+++ b/arch/arm/mach-exynos4/sleep.S
@@ -27,8 +27,8 @@
*/
#include <linux/linkage.h>
-#include <asm/assembler.h>
-#include <asm/memory.h>
+#include <asm/asm-offsets.h>
+#include <asm/hardware/cache-l2x0.h>
.text
@@ -49,6 +49,31 @@
* other way of restoring the stack pointer after sleep, and we
* must not write to the code segment (code is read-only)
*/
+ .align
+ .data
ENTRY(s3c_cpu_resume)
+ adr r0, l2x0_regs_phys
+ ldr r0, [r0]
+ ldr r1, [r0, #L2X0_R_PHY_BASE]
+ ldr r2, [r1, #L2X0_CTRL]
+ tst r2, #0x1
+ bne resume_l2on
+ ldr r2, [r0, #L2X0_R_AUX_CTRL]
+ str r2, [r1, #L2X0_AUX_CTRL]
+ ldr r2, [r0, #L2X0_R_TAG_LATENCY]
+ str r2, [r1, #L2X0_TAG_LATENCY_CTRL]
+ ldr r2, [r0, #L2X0_R_DATA_LATENCY]
+ str r2, [r1, #L2X0_DATA_LATENCY_CTRL]
+ ldr r2, [r0, #L2X0_R_PREFETCH_CTRL]
+ str r2, [r1, #L2X0_PREFETCH_CTRL]
+ ldr r2, [r0, #L2X0_R_PWR_CTRL]
+ str r2, [r1, #L2X0_POWER_CTRL]
+ mov r2, #1
+ str r2, [r1, #L2X0_CTRL]
+resume_l2on:
b cpu_resume
+ENDPROC(s3c_cpu_resume)
+ .globl l2x0_regs_phys
+l2x0_regs_phys:
+ .long 0