This patch adds Samsung EXYNOS4212 SoC support.
The EXYNOS4212 integrates a ARM Cortex A9 multi-core.
Signed-off-by: Kukjin Kim <kgene.kim@xxxxxxxxxxx>
---
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 majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
