[PATCH v4 4/5] ARM: EXYNOS: Add IO mapping for non-secure SYSRAM.

[t.figa@samsung.com (Tomasz Figa)]

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 <kyungmin.park@samsung.com>
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
---
 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 95c0882..e984546 100644
--- a/arch/arm/mach-exynos/common.c
+++ b/arch/arm/mach-exynos/common.c
@@ -231,6 +231,33 @@ 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,
@@ -354,6 +381,11 @@ 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();
@@ -386,6 +418,9 @@ 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 exynos4_init_clocks(int xtal)
diff --git a/arch/arm/mach-exynos/include/mach/map.h b/arch/arm/mach-exynos/include/mach/map.h
index 1df6abb..b8ea67e 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 c2d7bda..c186786 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)
-- 
1.8.0