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Diffstat (limited to 'arch/arm/mach-exynos/suspend.c')
-rw-r--r--arch/arm/mach-exynos/suspend.c79
1 files changed, 7 insertions, 72 deletions
diff --git a/arch/arm/mach-exynos/suspend.c b/arch/arm/mach-exynos/suspend.c
index 06332f626565..748cfb8d5212 100644
--- a/arch/arm/mach-exynos/suspend.c
+++ b/arch/arm/mach-exynos/suspend.c
@@ -57,7 +57,6 @@ struct exynos_wkup_irq {
struct exynos_pm_data {
const struct exynos_wkup_irq *wkup_irq;
unsigned int wake_disable_mask;
- unsigned int *release_ret_regs;
void (*pm_prepare)(void);
void (*pm_resume_prepare)(void);
@@ -66,7 +65,7 @@ struct exynos_pm_data {
int (*cpu_suspend)(unsigned long);
};
-static const struct exynos_pm_data *pm_data;
+static const struct exynos_pm_data *pm_data __ro_after_init;
static int exynos5420_cpu_state;
static unsigned int exynos_pmu_spare3;
@@ -95,47 +94,6 @@ static const struct exynos_wkup_irq exynos5250_wkup_irq[] = {
{ /* sentinel */ },
};
-static unsigned int exynos_release_ret_regs[] = {
- S5P_PAD_RET_MAUDIO_OPTION,
- S5P_PAD_RET_GPIO_OPTION,
- S5P_PAD_RET_UART_OPTION,
- S5P_PAD_RET_MMCA_OPTION,
- S5P_PAD_RET_MMCB_OPTION,
- S5P_PAD_RET_EBIA_OPTION,
- S5P_PAD_RET_EBIB_OPTION,
- REG_TABLE_END,
-};
-
-static unsigned int exynos3250_release_ret_regs[] = {
- S5P_PAD_RET_MAUDIO_OPTION,
- S5P_PAD_RET_GPIO_OPTION,
- S5P_PAD_RET_UART_OPTION,
- S5P_PAD_RET_MMCA_OPTION,
- S5P_PAD_RET_MMCB_OPTION,
- S5P_PAD_RET_EBIA_OPTION,
- S5P_PAD_RET_EBIB_OPTION,
- S5P_PAD_RET_MMC2_OPTION,
- S5P_PAD_RET_SPI_OPTION,
- REG_TABLE_END,
-};
-
-static unsigned int exynos5420_release_ret_regs[] = {
- EXYNOS_PAD_RET_DRAM_OPTION,
- EXYNOS_PAD_RET_MAUDIO_OPTION,
- EXYNOS_PAD_RET_JTAG_OPTION,
- EXYNOS5420_PAD_RET_GPIO_OPTION,
- EXYNOS5420_PAD_RET_UART_OPTION,
- EXYNOS5420_PAD_RET_MMCA_OPTION,
- EXYNOS5420_PAD_RET_MMCB_OPTION,
- EXYNOS5420_PAD_RET_MMCC_OPTION,
- EXYNOS5420_PAD_RET_HSI_OPTION,
- EXYNOS_PAD_RET_EBIA_OPTION,
- EXYNOS_PAD_RET_EBIB_OPTION,
- EXYNOS5420_PAD_RET_SPI_OPTION,
- EXYNOS5420_PAD_RET_DRAM_COREBLK_OPTION,
- REG_TABLE_END,
-};
-
static int exynos_irq_set_wake(struct irq_data *data, unsigned int state)
{
const struct exynos_wkup_irq *wkup_irq;
@@ -270,7 +228,6 @@ EXYNOS_PMU_IRQ(exynos3250_pmu_irq, "samsung,exynos3250-pmu");
EXYNOS_PMU_IRQ(exynos4210_pmu_irq, "samsung,exynos4210-pmu");
EXYNOS_PMU_IRQ(exynos4212_pmu_irq, "samsung,exynos4212-pmu");
EXYNOS_PMU_IRQ(exynos4412_pmu_irq, "samsung,exynos4412-pmu");
-EXYNOS_PMU_IRQ(exynos4415_pmu_irq, "samsung,exynos4415-pmu");
EXYNOS_PMU_IRQ(exynos5250_pmu_irq, "samsung,exynos5250-pmu");
EXYNOS_PMU_IRQ(exynos5420_pmu_irq, "samsung,exynos5420-pmu");
@@ -344,7 +301,7 @@ static void exynos_pm_prepare(void)
exynos_pm_enter_sleep_mode();
/* ensure at least INFORM0 has the resume address */
- pmu_raw_writel(virt_to_phys(exynos_cpu_resume), S5P_INFORM0);
+ pmu_raw_writel(__pa_symbol(exynos_cpu_resume), S5P_INFORM0);
}
static void exynos3250_pm_prepare(void)
@@ -361,7 +318,7 @@ static void exynos3250_pm_prepare(void)
exynos_pm_enter_sleep_mode();
/* ensure at least INFORM0 has the resume address */
- pmu_raw_writel(virt_to_phys(exynos_cpu_resume), S5P_INFORM0);
+ pmu_raw_writel(__pa_symbol(exynos_cpu_resume), S5P_INFORM0);
}
static void exynos5420_pm_prepare(void)
@@ -386,11 +343,11 @@ static void exynos5420_pm_prepare(void)
/* ensure at least INFORM0 has the resume address */
if (IS_ENABLED(CONFIG_EXYNOS5420_MCPM))
- pmu_raw_writel(virt_to_phys(mcpm_entry_point), S5P_INFORM0);
+ pmu_raw_writel(__pa_symbol(mcpm_entry_point), S5P_INFORM0);
- tmp = pmu_raw_readl(EXYNOS5_ARM_L2_OPTION);
- tmp &= ~EXYNOS5_USE_RETENTION;
- pmu_raw_writel(tmp, EXYNOS5_ARM_L2_OPTION);
+ tmp = pmu_raw_readl(EXYNOS_L2_OPTION(0));
+ tmp &= ~EXYNOS_L2_USE_RETENTION;
+ pmu_raw_writel(tmp, EXYNOS_L2_OPTION(0));
tmp = pmu_raw_readl(EXYNOS5420_SFR_AXI_CGDIS1);
tmp |= EXYNOS5420_UFS;
@@ -442,15 +399,6 @@ static int exynos5420_pm_suspend(void)
return 0;
}
-static void exynos_pm_release_retention(void)
-{
- unsigned int i;
-
- for (i = 0; (pm_data->release_ret_regs[i] != REG_TABLE_END); i++)
- pmu_raw_writel(EXYNOS_WAKEUP_FROM_LOWPWR,
- pm_data->release_ret_regs[i]);
-}
-
static void exynos_pm_resume(void)
{
u32 cpuid = read_cpuid_part();
@@ -458,9 +406,6 @@ static void exynos_pm_resume(void)
if (exynos_pm_central_resume())
goto early_wakeup;
- /* For release retention */
- exynos_pm_release_retention();
-
if (cpuid == ARM_CPU_PART_CORTEX_A9)
scu_enable(S5P_VA_SCU);
@@ -482,9 +427,6 @@ static void exynos3250_pm_resume(void)
if (exynos_pm_central_resume())
goto early_wakeup;
- /* For release retention */
- exynos_pm_release_retention();
-
pmu_raw_writel(S5P_USE_STANDBY_WFI_ALL, S5P_CENTRAL_SEQ_OPTION);
if (call_firmware_op(resume) == -ENOSYS
@@ -522,9 +464,6 @@ static void exynos5420_pm_resume(void)
if (exynos_pm_central_resume())
goto early_wakeup;
- /* For release retention */
- exynos_pm_release_retention();
-
pmu_raw_writel(exynos_pmu_spare3, S5P_PMU_SPARE3);
early_wakeup:
@@ -637,7 +576,6 @@ static const struct platform_suspend_ops exynos_suspend_ops = {
static const struct exynos_pm_data exynos3250_pm_data = {
.wkup_irq = exynos3250_wkup_irq,
.wake_disable_mask = ((0xFF << 8) | (0x1F << 1)),
- .release_ret_regs = exynos3250_release_ret_regs,
.pm_suspend = exynos_pm_suspend,
.pm_resume = exynos3250_pm_resume,
.pm_prepare = exynos3250_pm_prepare,
@@ -647,7 +585,6 @@ static const struct exynos_pm_data exynos3250_pm_data = {
static const struct exynos_pm_data exynos4_pm_data = {
.wkup_irq = exynos4_wkup_irq,
.wake_disable_mask = ((0xFF << 8) | (0x1F << 1)),
- .release_ret_regs = exynos_release_ret_regs,
.pm_suspend = exynos_pm_suspend,
.pm_resume = exynos_pm_resume,
.pm_prepare = exynos_pm_prepare,
@@ -657,7 +594,6 @@ static const struct exynos_pm_data exynos4_pm_data = {
static const struct exynos_pm_data exynos5250_pm_data = {
.wkup_irq = exynos5250_wkup_irq,
.wake_disable_mask = ((0xFF << 8) | (0x1F << 1)),
- .release_ret_regs = exynos_release_ret_regs,
.pm_suspend = exynos_pm_suspend,
.pm_resume = exynos_pm_resume,
.pm_prepare = exynos_pm_prepare,
@@ -667,7 +603,6 @@ static const struct exynos_pm_data exynos5250_pm_data = {
static const struct exynos_pm_data exynos5420_pm_data = {
.wkup_irq = exynos5250_wkup_irq,
.wake_disable_mask = (0x7F << 7) | (0x1F << 1),
- .release_ret_regs = exynos5420_release_ret_regs,
.pm_resume_prepare = exynos5420_prepare_pm_resume,
.pm_resume = exynos5420_pm_resume,
.pm_suspend = exynos5420_pm_suspend,