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authorRussell King <rmk+kernel@arm.linux.org.uk>2014-04-05 11:45:34 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2014-05-30 00:49:12 +0100
commit25a9ef63cd2beb248e51bd192df19fbe5cf20545 (patch)
tree994becfba0c4e538b21c4a8f5fadf485502e94fc /arch/arm
parentARM: l2c: exynos: remove cache size override (diff)
downloadlinux-dev-25a9ef63cd2beb248e51bd192df19fbe5cf20545.tar.xz
linux-dev-25a9ef63cd2beb248e51bd192df19fbe5cf20545.zip
ARM: l2c: exynos: convert to common l2c310 early resume functionality
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/mach-exynos/common.h1
-rw-r--r--arch/arm/mach-exynos/exynos.c12
-rw-r--r--arch/arm/mach-exynos/sleep.S30
-rw-r--r--arch/arm/plat-samsung/s5p-sleep.S1
4 files changed, 2 insertions, 42 deletions
diff --git a/arch/arm/mach-exynos/common.h b/arch/arm/mach-exynos/common.h
index 9ef3f83efaff..88c619d1e145 100644
--- a/arch/arm/mach-exynos/common.h
+++ b/arch/arm/mach-exynos/common.h
@@ -55,7 +55,6 @@ enum sys_powerdown {
NUM_SYS_POWERDOWN,
};
-extern unsigned long l2x0_regs_phys;
struct exynos_pmu_conf {
void __iomem *reg;
unsigned int val[NUM_SYS_POWERDOWN];
diff --git a/arch/arm/mach-exynos/exynos.c b/arch/arm/mach-exynos/exynos.c
index a51bf25e7523..fbfc29df3299 100644
--- a/arch/arm/mach-exynos/exynos.c
+++ b/arch/arm/mach-exynos/exynos.c
@@ -318,17 +318,7 @@ core_initcall(exynos_core_init);
static int __init exynos4_l2x0_cache_init(void)
{
- int ret;
-
- ret = l2x0_of_init(0x3c400001, 0xc20fffff);
- if (ret)
- return ret;
-
- if (IS_ENABLED(CONFIG_S5P_SLEEP)) {
- l2x0_regs_phys = virt_to_phys(&l2x0_saved_regs);
- clean_dcache_area(&l2x0_regs_phys, sizeof(unsigned long));
- }
- return 0;
+ return l2x0_of_init(0x3c400001, 0xc20fffff);
}
early_initcall(exynos4_l2x0_cache_init);
diff --git a/arch/arm/mach-exynos/sleep.S b/arch/arm/mach-exynos/sleep.S
index 7e0af530511e..108a45f4bb62 100644
--- a/arch/arm/mach-exynos/sleep.S
+++ b/arch/arm/mach-exynos/sleep.S
@@ -16,8 +16,6 @@
*/
#include <linux/linkage.h>
-#include <asm/asm-offsets.h>
-#include <asm/hardware/cache-l2x0.h>
#define CPU_MASK 0xff0ffff0
#define CPU_CORTEX_A9 0x410fc090
@@ -53,33 +51,7 @@ ENTRY(exynos_cpu_resume)
and r0, r0, r1
ldr r1, =CPU_CORTEX_A9
cmp r0, r1
- bne skip_l2_resume
- adr r0, l2x0_regs_phys
- ldr r0, [r0]
- cmp r0, #0
- beq skip_l2_resume
- ldr r1, [r0, #L2X0_R_PHY_BASE]
- ldr r2, [r1, #L2X0_CTRL]
- tst r2, #0x1
- bne skip_l2_resume
- ldr r2, [r0, #L2X0_R_AUX_CTRL]
- str r2, [r1, #L2X0_AUX_CTRL]
- ldr r2, [r0, #L2X0_R_TAG_LATENCY]
- str r2, [r1, #L310_TAG_LATENCY_CTRL]
- ldr r2, [r0, #L2X0_R_DATA_LATENCY]
- str r2, [r1, #L310_DATA_LATENCY_CTRL]
- ldr r2, [r0, #L2X0_R_PREFETCH_CTRL]
- str r2, [r1, #L310_PREFETCH_CTRL]
- ldr r2, [r0, #L2X0_R_PWR_CTRL]
- str r2, [r1, #L310_POWER_CTRL]
- mov r2, #1
- str r2, [r1, #L2X0_CTRL]
-skip_l2_resume:
+ bleq l2c310_early_resume
#endif
b cpu_resume
ENDPROC(exynos_cpu_resume)
-#ifdef CONFIG_CACHE_L2X0
- .globl l2x0_regs_phys
-l2x0_regs_phys:
- .long 0
-#endif
diff --git a/arch/arm/plat-samsung/s5p-sleep.S b/arch/arm/plat-samsung/s5p-sleep.S
index c5001659bdf8..25c68ceb9e2b 100644
--- a/arch/arm/plat-samsung/s5p-sleep.S
+++ b/arch/arm/plat-samsung/s5p-sleep.S
@@ -22,7 +22,6 @@
*/
#include <linux/linkage.h>
-#include <asm/asm-offsets.h>
.data
.align