This patch adds Samsung EXYNOS4212 SoC support. The EXYNOS4212 integrates a ARM Cortex A9 multi-core.
Signed-off-by: Kukjin Kim <[email protected]> --- arch/arm/mach-exynos4/Kconfig | 5 +++++ arch/arm/mach-exynos4/Makefile | 6 ++++-- arch/arm/mach-exynos4/cpu.c | 6 +++++- arch/arm/plat-s5p/cpu.c | 9 +++++++++ arch/arm/plat-s5p/include/plat/exynos4.h | 3 +-- arch/arm/plat-samsung/include/plat/cpu.h | 8 ++++++++ 6 files changed, 32 insertions(+), 5 deletions(-) diff --git a/arch/arm/mach-exynos4/Kconfig b/arch/arm/mach-exynos4/Kconfig index bee8f77..0b40289 100644 --- a/arch/arm/mach-exynos4/Kconfig +++ b/arch/arm/mach-exynos4/Kconfig @@ -15,6 +15,11 @@ config CPU_EXYNOS4210 help Enable EXYNOS4210 CPU support +config SOC_EXYNOS4212 + bool + help + Enable EXYNOS4212 SoC support + config EXYNOS4_MCT bool default y diff --git a/arch/arm/mach-exynos4/Makefile b/arch/arm/mach-exynos4/Makefile index e3e93ea..4624457 100644 --- a/arch/arm/mach-exynos4/Makefile +++ b/arch/arm/mach-exynos4/Makefile @@ -12,8 +12,10 @@ obj- := # Core support for EXYNOS4 system -obj-$(CONFIG_CPU_EXYNOS4210) += cpu.o init.o clock.o irq-combiner.o -obj-$(CONFIG_CPU_EXYNOS4210) += setup-i2c0.o irq-eint.o dma.o pmu.o +obj-$(CONFIG_ARCH_EXYNOS4) += cpu.o init.o clock.o irq-combiner.o +obj-$(CONFIG_ARCH_EXYNOS4) += setup-i2c0.o irq-eint.o dma.o pmu.o +obj-$(CONFIG_CPU_EXYNOS4210) += clock-exynos4210.o +obj-$(CONFIG_SOC_EXYNOS4212) += clock-exynos4212.o obj-$(CONFIG_PM) += pm.o sleep.o obj-$(CONFIG_CPU_IDLE) += cpuidle.o diff --git a/arch/arm/mach-exynos4/cpu.c b/arch/arm/mach-exynos4/cpu.c index 0d281bb..1e1a7a9 100644 --- a/arch/arm/mach-exynos4/cpu.c +++ b/arch/arm/mach-exynos4/cpu.c @@ -241,7 +241,11 @@ static int __init exynos4_l2x0_cache_init(void) { /* TAG, Data Latency Control: 2cycle */ __raw_writel(0x110, S5P_VA_L2CC + L2X0_TAG_LATENCY_CTRL); - __raw_writel(0x110, S5P_VA_L2CC + L2X0_DATA_LATENCY_CTRL); + + if (soc_is_exynos4210()) + __raw_writel(0x110, S5P_VA_L2CC + L2X0_DATA_LATENCY_CTRL); + else if (soc_is_exynos4212()) + __raw_writel(0x120, S5P_VA_L2CC + L2X0_DATA_LATENCY_CTRL); /* L2X0 Prefetch Control */ __raw_writel(0x30000007, S5P_VA_L2CC + L2X0_PREFETCH_CTRL); diff --git a/arch/arm/plat-s5p/cpu.c b/arch/arm/plat-s5p/cpu.c index 04392c7..909507b 100644 --- a/arch/arm/plat-s5p/cpu.c +++ b/arch/arm/plat-s5p/cpu.c @@ -33,6 +33,7 @@ static const char name_s5p6450[] = "S5P6450"; static const char name_s5pc100[] = "S5PC100"; static const char name_s5pv210[] = "S5PV210/S5PC110"; static const char name_exynos4210[] = "EXYNOS4210"; +static const char name_exynos4212[] = "EXYNOS4212"; static struct cpu_table cpu_ids[] __initdata = { { @@ -75,6 +76,14 @@ static struct cpu_table cpu_ids[] __initdata = { .init_uarts = exynos4_init_uarts, .init = exynos4_init, .name = name_exynos4210, + }, { + .idcode = EXYNOS4212_CPU_ID, + .idmask = EXYNOS4_CPU_MASK, + .map_io = exynos4_map_io, + .init_clocks = exynos4_init_clocks, + .init_uarts = exynos4_init_uarts, + .init = exynos4_init, + .name = name_exynos4212, }, }; diff --git a/arch/arm/plat-s5p/include/plat/exynos4.h b/arch/arm/plat-s5p/include/plat/exynos4.h index 907caab..4aed130 100644 --- a/arch/arm/plat-s5p/include/plat/exynos4.h +++ b/arch/arm/plat-s5p/include/plat/exynos4.h @@ -16,8 +16,7 @@ extern void exynos4_common_init_uarts(struct s3c2410_uartcfg *cfg, int no); extern void exynos4_register_clocks(void); extern void exynos4_setup_clocks(void); -#ifdef CONFIG_CPU_EXYNOS4210 - +#ifdef CONFIG_ARCH_EXYNOS4 extern int exynos4_init(void); extern void exynos4_init_irq(void); extern void exynos4_map_io(void); diff --git a/arch/arm/plat-samsung/include/plat/cpu.h b/arch/arm/plat-samsung/include/plat/cpu.h index 6fdd5ef..aa1f69b 100644 --- a/arch/arm/plat-samsung/include/plat/cpu.h +++ b/arch/arm/plat-samsung/include/plat/cpu.h @@ -39,6 +39,7 @@ extern unsigned long samsung_cpu_id; #define S5PV210_CPU_MASK 0xFFFFF000 #define EXYNOS4210_CPU_ID 0x43210000 +#define EXYNOS4212_CPU_ID 0x43220000 #define EXYNOS4_CPU_MASK 0xFFFE0000 #define IS_SAMSUNG_CPU(name, id, mask) \ @@ -54,6 +55,7 @@ IS_SAMSUNG_CPU(s5p6450, S5P6450_CPU_ID, S5P64XX_CPU_MASK) IS_SAMSUNG_CPU(s5pc100, S5PC100_CPU_ID, S5PC100_CPU_MASK) IS_SAMSUNG_CPU(s5pv210, S5PV210_CPU_ID, S5PV210_CPU_MASK) IS_SAMSUNG_CPU(exynos4210, EXYNOS4210_CPU_ID, EXYNOS4_CPU_MASK) +IS_SAMSUNG_CPU(exynos4212, EXYNOS4212_CPU_ID, EXYNOS4_CPU_MASK) #if defined(CONFIG_CPU_S3C2410) || defined(CONFIG_CPU_S3C2412) || \ defined(CONFIG_CPU_S3C2416) || defined(CONFIG_CPU_S3C2440) || \ @@ -100,6 +102,12 @@ IS_SAMSUNG_CPU(exynos4210, EXYNOS4210_CPU_ID, EXYNOS4_CPU_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 + #define EXYNOS4210_REV_0 (0x0) #define EXYNOS4210_REV_1_0 (0x10) #define EXYNOS4210_REV_1_1 (0x11) -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
