[PATCH 1/4] ARM: EXYNOS4: Add DMC1, allow PPMU access for DMC.
Kukjin Kim
kgene.kim at samsung.com
Fri Dec 2 04:01:40 EST 2011
MyungJoo Ham wrote:
>
> - Add DMC1
> - Enlarge address space for DMC from 4k to 64k so that PPMU registers
> may be accessed.
>
> Signed-off-by: MyungJoo Ham <myungjoo.ham at samsung.com>
> Signed-off-by: Kyungmin Park <kyungmin.park at samsung.com>
> ---
> arch/arm/mach-exynos/cpu.c | 7 ++++++-
> arch/arm/mach-exynos/include/mach/map.h | 1 +
> 2 files changed, 7 insertions(+), 1 deletions(-)
>
> diff --git a/arch/arm/mach-exynos/cpu.c b/arch/arm/mach-exynos/cpu.c
> index 90ec247..8bdcba9 100644
> --- a/arch/arm/mach-exynos/cpu.c
> +++ b/arch/arm/mach-exynos/cpu.c
> @@ -108,7 +108,12 @@ static struct map_desc exynos4_iodesc[] __initdata =
> {
> }, {
> .virtual = (unsigned long)S5P_VA_DMC0,
> .pfn = __phys_to_pfn(EXYNOS4_PA_DMC0),
> - .length = SZ_4K,
> + .length = SZ_64K,
> + .type = MT_DEVICE,
> + }, {
> + .virtual = (unsigned long)S5P_VA_DMC1,
> + .pfn = __phys_to_pfn(EXYNOS4_PA_DMC1),
> + .length = SZ_64K,
> .type = MT_DEVICE,
> }, {
> .virtual = (unsigned long)S5P_VA_SROMC,
> diff --git a/arch/arm/mach-exynos/include/mach/map.h b/arch/arm/mach-
> exynos/include/mach/map.h
> index 058541d..870a980 100644
> --- a/arch/arm/mach-exynos/include/mach/map.h
> +++ b/arch/arm/mach-exynos/include/mach/map.h
> @@ -57,6 +57,7 @@
> #define EXYNOS4_PA_KEYPAD 0x100A0000
>
> #define EXYNOS4_PA_DMC0 0x10400000
> +#define EXYNOS4_PA_DMC1 0x10410000
If required, so just '.length = SZ_128K'?...
Thanks.
Best regards,
Kgene.
--
Kukjin Kim <kgene.kim at samsung.com>, Senior Engineer,
SW Solution Development Team, Samsung Electronics Co., Ltd.
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