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author | Artur Weber <aweber.kernel@gmail.com> | 2023-05-01 22:55:15 +0300 |
---|---|---|
committer | Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> | 2023-05-09 20:44:30 +0300 |
commit | 4e486a650162a20e5c3c7987715f8297c84c85f4 (patch) | |
tree | e08f6f7caf6ffb245e226674d4ff31e3e84d9dce | |
parent | 9d2edccb154bd98baf7f1e21d23f799e4f5e8359 (diff) | |
download | linux-4e486a650162a20e5c3c7987715f8297c84c85f4.tar.xz |
ARM: exynos: Re-introduce Exynos4212 support
Support for the Exynos4212 SoC was originally dropped as there were
no boards using it. We will be adding a device that uses it, so add
back the relevant code.
This reverts commit 9e43eca3c87476f75680f472ff3ebcd85f357b86.
Signed-off-by: Artur Weber <aweber.kernel@gmail.com>
Link: https://lore.kernel.org/r/20230501195525.6268-4-aweber.kernel@gmail.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
-rw-r--r-- | arch/arm/mach-exynos/Kconfig | 5 | ||||
-rw-r--r-- | arch/arm/mach-exynos/common.h | 8 | ||||
-rw-r--r-- | arch/arm/mach-exynos/exynos.c | 2 | ||||
-rw-r--r-- | arch/arm/mach-exynos/firmware.c | 8 | ||||
-rw-r--r-- | arch/arm/mach-exynos/pm.c | 2 | ||||
-rw-r--r-- | arch/arm/mach-exynos/suspend.c | 4 |
6 files changed, 27 insertions, 2 deletions
diff --git a/arch/arm/mach-exynos/Kconfig b/arch/arm/mach-exynos/Kconfig index 4d3b40e4049a..b3d5df5225fe 100644 --- a/arch/arm/mach-exynos/Kconfig +++ b/arch/arm/mach-exynos/Kconfig @@ -78,6 +78,11 @@ config CPU_EXYNOS4210 default y depends on ARCH_EXYNOS4 +config SOC_EXYNOS4212 + bool "Samsung Exynos4212" + default y + depends on ARCH_EXYNOS4 + config SOC_EXYNOS4412 bool "Samsung Exynos4412" default y diff --git a/arch/arm/mach-exynos/common.h b/arch/arm/mach-exynos/common.h index 29eb075b24a4..c9e85d33c309 100644 --- a/arch/arm/mach-exynos/common.h +++ b/arch/arm/mach-exynos/common.h @@ -15,6 +15,7 @@ #define EXYNOS3_SOC_MASK 0xFFFFF000 #define EXYNOS4210_CPU_ID 0x43210000 +#define EXYNOS4212_CPU_ID 0x43220000 #define EXYNOS4412_CPU_ID 0xE4412200 #define EXYNOS4_CPU_MASK 0xFFFE0000 @@ -34,6 +35,7 @@ static inline int is_samsung_##name(void) \ IS_SAMSUNG_CPU(exynos3250, EXYNOS3250_SOC_ID, EXYNOS3_SOC_MASK) IS_SAMSUNG_CPU(exynos4210, EXYNOS4210_CPU_ID, EXYNOS4_CPU_MASK) +IS_SAMSUNG_CPU(exynos4212, EXYNOS4212_CPU_ID, EXYNOS4_CPU_MASK) IS_SAMSUNG_CPU(exynos4412, EXYNOS4412_CPU_ID, EXYNOS4_CPU_MASK) IS_SAMSUNG_CPU(exynos5250, EXYNOS5250_SOC_ID, EXYNOS5_SOC_MASK) IS_SAMSUNG_CPU(exynos5410, EXYNOS5410_SOC_ID, EXYNOS5_SOC_MASK) @@ -52,6 +54,12 @@ IS_SAMSUNG_CPU(exynos5800, EXYNOS5800_SOC_ID, EXYNOS5_SOC_MASK) # define soc_is_exynos4210() 0 #endif +#if defined(CONFIG_SOC_EXYNOS4212) +# define soc_is_exynos4212() is_samsung_exynos4212() +#else +# define soc_is_exynos4212() 0 +#endif + #if defined(CONFIG_SOC_EXYNOS4412) # define soc_is_exynos4412() is_samsung_exynos4412() #else diff --git a/arch/arm/mach-exynos/exynos.c b/arch/arm/mach-exynos/exynos.c index 966a0995e047..2e8099479ffa 100644 --- a/arch/arm/mach-exynos/exynos.c +++ b/arch/arm/mach-exynos/exynos.c @@ -180,6 +180,7 @@ static void __init exynos_dt_machine_init(void) exynos_cpuidle.dev.platform_data = &cpuidle_coupled_exynos_data; #endif if (of_machine_is_compatible("samsung,exynos4210") || + of_machine_is_compatible("samsung,exynos4212") || (of_machine_is_compatible("samsung,exynos4412") && (of_machine_is_compatible("samsung,trats2") || of_machine_is_compatible("samsung,midas") || @@ -194,6 +195,7 @@ static char const *const exynos_dt_compat[] __initconst = { "samsung,exynos3250", "samsung,exynos4", "samsung,exynos4210", + "samsung,exynos4212", "samsung,exynos4412", "samsung,exynos5", "samsung,exynos5250", diff --git a/arch/arm/mach-exynos/firmware.c b/arch/arm/mach-exynos/firmware.c index 2da5b60b59e2..a5e22678e27b 100644 --- a/arch/arm/mach-exynos/firmware.c +++ b/arch/arm/mach-exynos/firmware.c @@ -63,12 +63,18 @@ static int exynos_cpu_boot(int cpu) * * On Exynos5 devices the call is ignored by trustzone firmware. */ - if (!soc_is_exynos4210() && !soc_is_exynos4412()) + if (!soc_is_exynos4210() && !soc_is_exynos4212() && + !soc_is_exynos4412()) return 0; /* * The second parameter of SMC_CMD_CPU1BOOT command means CPU id. + * But, Exynos4212 has only one secondary CPU so second parameter + * isn't used for informing secure firmware about CPU id. */ + if (soc_is_exynos4212()) + cpu = 0; + exynos_smc(SMC_CMD_CPU1BOOT, cpu, 0, 0); return 0; } diff --git a/arch/arm/mach-exynos/pm.c b/arch/arm/mach-exynos/pm.c index 30f4e55bf39e..0019d21bff90 100644 --- a/arch/arm/mach-exynos/pm.c +++ b/arch/arm/mach-exynos/pm.c @@ -161,7 +161,7 @@ void exynos_enter_aftr(void) exynos_pm_central_suspend(); - if (soc_is_exynos4412()) { + if (soc_is_exynos4212() || soc_is_exynos4412()) { /* Setting SEQ_OPTION register */ pmu_raw_writel(S5P_USE_STANDBY_WFI0 | S5P_USE_STANDBY_WFE0, S5P_CENTRAL_SEQ_OPTION); diff --git a/arch/arm/mach-exynos/suspend.c b/arch/arm/mach-exynos/suspend.c index 6d5d7696aaf7..cac4e82f6c82 100644 --- a/arch/arm/mach-exynos/suspend.c +++ b/arch/arm/mach-exynos/suspend.c @@ -231,6 +231,7 @@ static int __init exynos_pmu_irq_init(struct device_node *node, 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(exynos5250_pmu_irq, "samsung,exynos5250-pmu"); EXYNOS_PMU_IRQ(exynos5420_pmu_irq, "samsung,exynos5420-pmu"); @@ -641,6 +642,9 @@ static const struct of_device_id exynos_pmu_of_device_ids[] __initconst = { .compatible = "samsung,exynos4210-pmu", .data = &exynos4_pm_data, }, { + .compatible = "samsung,exynos4212-pmu", + .data = &exynos4_pm_data, + }, { .compatible = "samsung,exynos4412-pmu", .data = &exynos4_pm_data, }, { |