[PATCH v4 5/7] ARM: S5PV210: Access for DMCx registers

MyungJoo Ham myungjoo.ham at samsung.com
Thu Jul 22 05:22:51 EDT 2010


	The CPUFREQ driver requires an access to DMCx registers. We
define physical addresses and mapping between physical and virtual
addresses of DMCx registers.

Signed-off-by: MyungJoo Ham <myungjoo.ham at samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park at samsung.com>
---
 arch/arm/mach-s5pv210/cpu.c              |   12 +++++++++++-
 arch/arm/mach-s5pv210/include/mach/map.h |    4 ++++
 2 files changed, 15 insertions(+), 1 deletions(-)

diff --git a/arch/arm/mach-s5pv210/cpu.c b/arch/arm/mach-s5pv210/cpu.c
index b9fe38e..633ca8f 100644
--- a/arch/arm/mach-s5pv210/cpu.c
+++ b/arch/arm/mach-s5pv210/cpu.c
@@ -60,7 +60,17 @@ static struct map_desc s5pv210_iodesc[] __initdata = {
 		.pfn		= __phys_to_pfn(S5PV210_PA_SROMC),
 		.length		= SZ_4K,
 		.type		= MT_DEVICE,
-	}
+	}, {
+		.virtual	= (unsigned long)S5P_VA_DMC0,
+		.pfn		= __phys_to_pfn(S5PV210_PA_DMC0),
+		.length		= SZ_4K,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= (unsigned long)S5P_VA_DMC1,
+		.pfn		= __phys_to_pfn(S5PV210_PA_DMC1),
+		.length		= SZ_4K,
+		.type		= MT_DEVICE,
+	},
 };
 
 static void s5pv210_idle(void)
diff --git a/arch/arm/mach-s5pv210/include/mach/map.h b/arch/arm/mach-s5pv210/include/mach/map.h
index 17687f0..daf6456 100644
--- a/arch/arm/mach-s5pv210/include/mach/map.h
+++ b/arch/arm/mach-s5pv210/include/mach/map.h
@@ -108,4 +108,8 @@
 #define SAMSUNG_PA_ADC		S5PV210_PA_ADC
 #define SAMSUNG_PA_KEYPAD	S5PV210_PA_KEYPAD
 
+/* DMC */
+#define S5PV210_PA_DMC0		(0xF0000000)
+#define S5PV210_PA_DMC1		(0xF1400000)
+
 #endif /* __ASM_ARCH_MAP_H */
-- 
1.6.3.3




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