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....@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.p...@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

--
To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to