[PATCH] ARM: EXYNOS: Add static mapping for EXYNOS Audio Subsystem
Kukjin Kim
kgene.kim at samsung.com
Tue Jul 31 23:26:15 EDT 2012
Padmavathi Venna wrote:
>
> The CMU of EXYNOS can't control Audio Subsystem's clocks because
> AUDSS SFRs aren't located in CMU. But AUDSS is a kind of CMU for
> Audio Subsystem and need to use clock framework. This mapping
> address will be used for AUDSS clock control.
>
> Signed-off-by: sangsu4u.park <sangsu4u.park at samsung.com>
Maybe Sangsu Park?
> Signed-off-by: Padmavathi Venna <padma.v at samsung.com>
> ---
> arch/arm/mach-exynos/common.c | 5 +++++
> arch/arm/mach-exynos/include/mach/map.h | 1 +
> arch/arm/plat-samsung/include/plat/map-s5p.h | 2 ++
> 3 files changed, 8 insertions(+), 0 deletions(-)
>
> diff --git a/arch/arm/mach-exynos/common.c b/arch/arm/mach-exynos/common.c
> index 4eb39cd..4070c79 100644
> --- a/arch/arm/mach-exynos/common.c
> +++ b/arch/arm/mach-exynos/common.c
> @@ -109,6 +109,11 @@ static struct map_desc exynos_iodesc[] __initdata = {
> .pfn = __phys_to_pfn(EXYNOS_PA_CHIPID),
> .length = SZ_4K,
> .type = MT_DEVICE,
> + }, {
> + .virtual = (unsigned long)S5P_VA_AUDSS,
> + .pfn = __phys_to_pfn(EXYNOS_PA_AUDSS),
> + .length = SZ_4K,
> + .type = MT_DEVICE,
> },
> };
>
> diff --git a/arch/arm/mach-exynos/include/mach/map.h b/arch/arm/mach-
> exynos/include/mach/map.h
> index 5cf7d91..9c044a0 100644
> --- a/arch/arm/mach-exynos/include/mach/map.h
> +++ b/arch/arm/mach-exynos/include/mach/map.h
> @@ -39,6 +39,7 @@
>
> #define EXYNOS4_PA_G2D 0x12800000
>
> +#define EXYNOS_PA_AUDSS 0x03810000
> #define EXYNOS_PA_I2S0 0x03830000
> #define EXYNOS4_PA_I2S1 0xE2100000
> #define EXYNOS4_PA_I2S2 0xE2A00000
> diff --git a/arch/arm/plat-samsung/include/plat/map-s5p.h b/arch/arm/plat-
> samsung/include/plat/map-s5p.h
> index c2d7bda..3558277 100644
> --- a/arch/arm/plat-samsung/include/plat/map-s5p.h
> +++ b/arch/arm/plat-samsung/include/plat/map-s5p.h
> @@ -40,6 +40,8 @@
> #define S5P_VA_GIC_CPU S3C_ADDR(0x02810000)
> #define S5P_VA_GIC_DIST S3C_ADDR(0x02820000)
>
> +#define S5P_VA_AUDSS S3C_ADDR(0x02910000)
Is there any reason to use the offset, 0x02910000?
[...]
And I think, this patch should be patch-set with your '[PATCH] ARM: EXYNOS:
Add clocks for EXYNOS Audio Subsystem.'
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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