ARM: EXYNOS: Add support for EXYNOS5420 SoC

EXYNOS5420 is new SoC in Samsung's Exynos5 SoC series. Add
initial support for this new SoC.

Signed-off-by: Chander Kashyap <chander.kashyap@linaro.org>
Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org>
Reviewed-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

diff --git a/arch/arm/mach-exynos/Kconfig b/arch/arm/mach-exynos/Kconfig
index ff18fc2..5ae41ec 100644 (file)
--- a/arch/arm/mach-exynos/Kconfig
+++ b/arch/arm/mach-exynos/Kconfig
@@ -71,6 +71,16 @@ config SOC_EXYNOS5250
        help
          Enable EXYNOS5250 SoC support
 
+config SOC_EXYNOS5420
+       bool "SAMSUNG EXYNOS5420"
+       default y
+       depends on ARCH_EXYNOS5
+       select PM_GENERIC_DOMAINS if PM
+       select S5P_PM if PM
+       select S5P_SLEEP if PM
+       help
+         Enable EXYNOS5420 SoC support
+
 config SOC_EXYNOS5440
        bool "SAMSUNG EXYNOS5440"
        default y

diff --git a/arch/arm/mach-exynos/common.c b/arch/arm/mach-exynos/common.c
index f7e504b..f323655 100644 (file)
--- a/arch/arm/mach-exynos/common.c
+++ b/arch/arm/mach-exynos/common.c
@@ -64,6 +64,7 @@ static const char name_exynos4210[] = "EXYNOS4210";
 static const char name_exynos4212[] = "EXYNOS4212";
 static const char name_exynos4412[] = "EXYNOS4412";
 static const char name_exynos5250[] = "EXYNOS5250";
+static const char name_exynos5420[] = "EXYNOS5420";
 static const char name_exynos5440[] = "EXYNOS5440";
 
 static void exynos4_map_io(void);
@@ -103,6 +104,12 @@ static struct cpu_table cpu_ids[] __initdata = {
                .init           = exynos_init,
                .name           = name_exynos5250,
        }, {
+               .idcode         = EXYNOS5420_SOC_ID,
+               .idmask         = EXYNOS5_SOC_MASK,
+               .map_io         = exynos5_map_io,
+               .init           = exynos_init,
+               .name           = name_exynos5420,
+       }, {
                .idcode         = EXYNOS5440_SOC_ID,
                .idmask         = EXYNOS5_SOC_MASK,
                .map_io         = exynos5440_map_io,

diff --git a/arch/arm/mach-exynos/mach-exynos5-dt.c b/arch/arm/mach-exynos/mach-exynos5-dt.c
index 753b94f..050a5b1 100644 (file)
--- a/arch/arm/mach-exynos/mach-exynos5-dt.c
+++ b/arch/arm/mach-exynos/mach-exynos5-dt.c
@@ -57,6 +57,7 @@ static void __init exynos5_dt_machine_init(void)
 
 static char const *exynos5_dt_compat[] __initdata = {
        "samsung,exynos5250",
+       "samsung,exynos5420",
        "samsung,exynos5440",
        NULL
 };

diff --git a/arch/arm/plat-samsung/include/plat/cpu.h b/arch/arm/plat-samsung/include/plat/cpu.h
index 989fefe..4fb1f03 100644 (file)
--- a/arch/arm/plat-samsung/include/plat/cpu.h
+++ b/arch/arm/plat-samsung/include/plat/cpu.h
@@ -46,6 +46,7 @@ extern unsigned long samsung_cpu_id;
 #define EXYNOS4_CPU_MASK       0xFFFE0000
 
 #define EXYNOS5250_SOC_ID      0x43520000
+#define EXYNOS5420_SOC_ID      0xE5420000
 #define EXYNOS5440_SOC_ID      0xE5440000
 #define EXYNOS5_SOC_MASK       0xFFFFF000
 
@@ -67,6 +68,7 @@ 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(exynos5420, EXYNOS5420_SOC_ID, EXYNOS5_SOC_MASK)
 IS_SAMSUNG_CPU(exynos5440, EXYNOS5440_SOC_ID, EXYNOS5_SOC_MASK)
 
 #if defined(CONFIG_CPU_S3C2410) || defined(CONFIG_CPU_S3C2412) || \
@@ -142,6 +144,12 @@ IS_SAMSUNG_CPU(exynos5440, EXYNOS5440_SOC_ID, EXYNOS5_SOC_MASK)
 # define soc_is_exynos5250()   0
 #endif
 
+#if defined(CONFIG_SOC_EXYNOS5420)
+# define soc_is_exynos5420()   is_samsung_exynos5420()
+#else
+# define soc_is_exynos5420()   0
+#endif
+
 #if defined(CONFIG_SOC_EXYNOS5440)
 # define soc_is_exynos5440()   is_samsung_exynos5440()
 #else