diff options
Diffstat (limited to 'arch/arm/mach-exynos')
| -rw-r--r-- | arch/arm/mach-exynos/Kconfig | 5 | ||||
| -rw-r--r-- | arch/arm/mach-exynos/exynos.c | 5 | ||||
| -rw-r--r-- | arch/arm/mach-exynos/mcpm-exynos.c | 2 | ||||
| -rw-r--r-- | arch/arm/mach-exynos/platsmp.c | 31 | ||||
| -rw-r--r-- | arch/arm/mach-exynos/suspend.c | 73 |
5 files changed, 7 insertions, 109 deletions
diff --git a/arch/arm/mach-exynos/Kconfig b/arch/arm/mach-exynos/Kconfig index 0bb63b8d21e7..0a99140b6ba2 100644 --- a/arch/arm/mach-exynos/Kconfig +++ b/arch/arm/mach-exynos/Kconfig @@ -95,11 +95,6 @@ config SOC_EXYNOS4412 default y depends on ARCH_EXYNOS4 -config SOC_EXYNOS4415 - bool "SAMSUNG EXYNOS4415" - default y - depends on ARCH_EXYNOS4 - config SOC_EXYNOS5250 bool "SAMSUNG EXYNOS5250" default y diff --git a/arch/arm/mach-exynos/exynos.c b/arch/arm/mach-exynos/exynos.c index 757fc11de30d..c404c15ad07f 100644 --- a/arch/arm/mach-exynos/exynos.c +++ b/arch/arm/mach-exynos/exynos.c @@ -45,8 +45,8 @@ static struct platform_device exynos_cpuidle = { .id = -1, }; -void __iomem *sysram_base_addr; -void __iomem *sysram_ns_base_addr; +void __iomem *sysram_base_addr __ro_after_init; +void __iomem *sysram_ns_base_addr __ro_after_init; void __init exynos_sysram_init(void) { @@ -210,7 +210,6 @@ static char const *const exynos_dt_compat[] __initconst = { "samsung,exynos4210", "samsung,exynos4212", "samsung,exynos4412", - "samsung,exynos4415", "samsung,exynos5", "samsung,exynos5250", "samsung,exynos5260", diff --git a/arch/arm/mach-exynos/mcpm-exynos.c b/arch/arm/mach-exynos/mcpm-exynos.c index 214a9cfa92e9..b42622562ea7 100644 --- a/arch/arm/mach-exynos/mcpm-exynos.c +++ b/arch/arm/mach-exynos/mcpm-exynos.c @@ -32,7 +32,7 @@ #define EXYNOS5420_USE_ARM_CORE_DOWN_STATE BIT(29) #define EXYNOS5420_USE_L2_COMMON_UP_STATE BIT(30) -static void __iomem *ns_sram_base_addr; +static void __iomem *ns_sram_base_addr __ro_after_init; /* * The common v7_exit_coherency_flush API could not be used because of the diff --git a/arch/arm/mach-exynos/platsmp.c b/arch/arm/mach-exynos/platsmp.c index 9f4949f7ed88..5a03bffe7226 100644 --- a/arch/arm/mach-exynos/platsmp.c +++ b/arch/arm/mach-exynos/platsmp.c @@ -385,36 +385,6 @@ fail: return pen_release != -1 ? ret : 0; } -/* - * Initialise the CPU possible map early - this describes the CPUs - * which may be present or become present in the system. - */ - -static void __init exynos_smp_init_cpus(void) -{ - void __iomem *scu_base = scu_base_addr(); - unsigned int i, ncores; - - if (read_cpuid_part() == ARM_CPU_PART_CORTEX_A9) - ncores = scu_base ? scu_get_core_count(scu_base) : 1; - else - /* - * CPU Nodes are passed thru DT and set_cpu_possible - * is set by "arm_dt_init_cpu_maps". - */ - return; - - /* sanity check */ - if (ncores > nr_cpu_ids) { - pr_warn("SMP: %u cores greater than maximum (%u), clipping\n", - ncores, nr_cpu_ids); - ncores = nr_cpu_ids; - } - - for (i = 0; i < ncores; i++) - set_cpu_possible(i, true); -} - static void __init exynos_smp_prepare_cpus(unsigned int max_cpus) { int i; @@ -479,7 +449,6 @@ static void exynos_cpu_die(unsigned int cpu) #endif /* CONFIG_HOTPLUG_CPU */ const struct smp_operations exynos_smp_ops __initconst = { - .smp_init_cpus = exynos_smp_init_cpus, .smp_prepare_cpus = exynos_smp_prepare_cpus, .smp_secondary_init = exynos_secondary_init, .smp_boot_secondary = exynos_boot_secondary, diff --git a/arch/arm/mach-exynos/suspend.c b/arch/arm/mach-exynos/suspend.c index 97765be2cc12..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"); @@ -388,9 +345,9 @@ static void exynos5420_pm_prepare(void) if (IS_ENABLED(CONFIG_EXYNOS5420_MCPM)) 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, |