From 41de89860baf8e62fd74e83338058575398ad21f Mon Sep 17 00:00:00 2001 From: Tomasz Figa Date: Tue, 11 Dec 2012 13:58:43 +0900 Subject: [PATCH] ARM: EXYNOS: Add IO mapping for non-secure SYSRAM. On TrustZone-enabled boards the non-secure SYSRAM is used for secondary CPU bring-up, so add a mapping for it. Signed-off-by: Kyungmin Park Signed-off-by: Tomasz Figa Signed-off-by: Kukjin Kim --- arch/arm/mach-exynos/common.c | 35 ++++++++++++++++++++ arch/arm/mach-exynos/include/mach/map.h | 3 ++ arch/arm/plat-samsung/include/plat/map-s5p.h | 1 + 3 files changed, 39 insertions(+) diff --git a/arch/arm/mach-exynos/common.c b/arch/arm/mach-exynos/common.c index 02e35abd136b..b2bb2b70832b 100644 --- a/arch/arm/mach-exynos/common.c +++ b/arch/arm/mach-exynos/common.c @@ -232,6 +232,33 @@ static struct map_desc exynos4_iodesc1[] __initdata = { }, }; +static struct map_desc exynos4210_iodesc[] __initdata = { + { + .virtual = (unsigned long)S5P_VA_SYSRAM_NS, + .pfn = __phys_to_pfn(EXYNOS4210_PA_SYSRAM_NS), + .length = SZ_4K, + .type = MT_DEVICE, + }, +}; + +static struct map_desc exynos4x12_iodesc[] __initdata = { + { + .virtual = (unsigned long)S5P_VA_SYSRAM_NS, + .pfn = __phys_to_pfn(EXYNOS4x12_PA_SYSRAM_NS), + .length = SZ_4K, + .type = MT_DEVICE, + }, +}; + +static struct map_desc exynos5250_iodesc[] __initdata = { + { + .virtual = (unsigned long)S5P_VA_SYSRAM_NS, + .pfn = __phys_to_pfn(EXYNOS5250_PA_SYSRAM_NS), + .length = SZ_4K, + .type = MT_DEVICE, + }, +}; + static struct map_desc exynos5_iodesc[] __initdata = { { .virtual = (unsigned long)S3C_VA_SYS, @@ -360,6 +387,11 @@ static void __init exynos4_map_io(void) else iotable_init(exynos4_iodesc1, ARRAY_SIZE(exynos4_iodesc1)); + if (soc_is_exynos4210()) + iotable_init(exynos4210_iodesc, ARRAY_SIZE(exynos4210_iodesc)); + if (soc_is_exynos4212() || soc_is_exynos4412()) + iotable_init(exynos4x12_iodesc, ARRAY_SIZE(exynos4x12_iodesc)); + /* initialize device information early */ exynos4_default_sdhci0(); exynos4_default_sdhci1(); @@ -392,6 +424,9 @@ static void __init exynos4_map_io(void) static void __init exynos5_map_io(void) { iotable_init(exynos5_iodesc, ARRAY_SIZE(exynos5_iodesc)); + + if (soc_is_exynos5250()) + iotable_init(exynos5250_iodesc, ARRAY_SIZE(exynos5250_iodesc)); } static void __init exynos5440_map_io(void) diff --git a/arch/arm/mach-exynos/include/mach/map.h b/arch/arm/mach-exynos/include/mach/map.h index 7f99b7b187d6..99e0a79f3b1f 100644 --- a/arch/arm/mach-exynos/include/mach/map.h +++ b/arch/arm/mach-exynos/include/mach/map.h @@ -26,6 +26,9 @@ #define EXYNOS4_PA_SYSRAM0 0x02025000 #define EXYNOS4_PA_SYSRAM1 0x02020000 #define EXYNOS5_PA_SYSRAM 0x02020000 +#define EXYNOS4210_PA_SYSRAM_NS 0x0203F000 +#define EXYNOS4x12_PA_SYSRAM_NS 0x0204F000 +#define EXYNOS5250_PA_SYSRAM_NS 0x0204F000 #define EXYNOS4_PA_FIMC0 0x11800000 #define EXYNOS4_PA_FIMC1 0x11810000 diff --git a/arch/arm/plat-samsung/include/plat/map-s5p.h b/arch/arm/plat-samsung/include/plat/map-s5p.h index c2d7bdae5891..c18678610bc0 100644 --- a/arch/arm/plat-samsung/include/plat/map-s5p.h +++ b/arch/arm/plat-samsung/include/plat/map-s5p.h @@ -22,6 +22,7 @@ #define S5P_VA_GPIO3 S3C_ADDR(0x02280000) #define S5P_VA_SYSRAM S3C_ADDR(0x02400000) +#define S5P_VA_SYSRAM_NS S3C_ADDR(0x02410000) #define S5P_VA_DMC0 S3C_ADDR(0x02440000) #define S5P_VA_DMC1 S3C_ADDR(0x02480000) #define S5P_VA_SROMC S3C_ADDR(0x024C0000) -- GitLab