summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-exynos/cpuidle.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-exynos/cpuidle.c')
-rw-r--r--arch/arm/mach-exynos/cpuidle.c33
1 files changed, 25 insertions, 8 deletions
diff --git a/arch/arm/mach-exynos/cpuidle.c b/arch/arm/mach-exynos/cpuidle.c
index ddbfe8709fe7..f57cb91f02aa 100644
--- a/arch/arm/mach-exynos/cpuidle.c
+++ b/arch/arm/mach-exynos/cpuidle.c
@@ -22,13 +22,15 @@
#include <asm/suspend.h>
#include <asm/unified.h>
#include <asm/cpuidle.h>
-#include <mach/regs-clock.h>
-#include <mach/regs-pmu.h>
#include <plat/cpu.h>
#include <plat/pm.h>
+#include <mach/pm-core.h>
+#include <mach/map.h>
+
#include "common.h"
+#include "regs-pmu.h"
#define REG_DIRECTGO_ADDR (samsung_rev() == EXYNOS4210_REV_1_1 ? \
S5P_INFORM7 : (samsung_rev() == EXYNOS4210_REV_1_0 ? \
@@ -39,6 +41,25 @@
#define S5P_CHECK_AFTR 0xFCBA0D10
+#define EXYNOS5_PWR_CTRL1 (S5P_VA_CMU + 0x01020)
+#define EXYNOS5_PWR_CTRL2 (S5P_VA_CMU + 0x01024)
+
+#define PWR_CTRL1_CORE2_DOWN_RATIO (7 << 28)
+#define PWR_CTRL1_CORE1_DOWN_RATIO (7 << 16)
+#define PWR_CTRL1_DIV2_DOWN_EN (1 << 9)
+#define PWR_CTRL1_DIV1_DOWN_EN (1 << 8)
+#define PWR_CTRL1_USE_CORE1_WFE (1 << 5)
+#define PWR_CTRL1_USE_CORE0_WFE (1 << 4)
+#define PWR_CTRL1_USE_CORE1_WFI (1 << 1)
+#define PWR_CTRL1_USE_CORE0_WFI (1 << 0)
+
+#define PWR_CTRL2_DIV2_UP_EN (1 << 25)
+#define PWR_CTRL2_DIV1_UP_EN (1 << 24)
+#define PWR_CTRL2_DUR_STANDBY2_VAL (1 << 16)
+#define PWR_CTRL2_DUR_STANDBY1_VAL (1 << 8)
+#define PWR_CTRL2_CORE2_UP_RATIO (1 << 4)
+#define PWR_CTRL2_CORE1_UP_RATIO (1 << 0)
+
static int exynos4_enter_lowpower(struct cpuidle_device *dev,
struct cpuidle_driver *drv,
int index);
@@ -151,8 +172,8 @@ static int exynos4_enter_lowpower(struct cpuidle_device *dev,
{
int new_index = index;
- /* This mode only can be entered when other core's are offline */
- if (num_online_cpus() > 1)
+ /* AFTR can only be entered when cores other than CPU0 are offline */
+ if (num_online_cpus() > 1 || dev->cpu != 0)
new_index = drv->safe_state_index;
if (new_index == 0)
@@ -214,10 +235,6 @@ static int exynos_cpuidle_probe(struct platform_device *pdev)
device = &per_cpu(exynos4_cpuidle_device, cpu_id);
device->cpu = cpu_id;
- /* Support IDLE only */
- if (cpu_id != 0)
- device->state_count = 1;
-
ret = cpuidle_register_device(device);
if (ret) {
dev_err(&pdev->dev, "failed to register cpuidle device\n");
OpenPOWER on IntegriCloud