[PATCH 1/7] ARM: EXYNOS4: Add external GIC io memory mapping

[MyungJoo Ham]

On Mon, Jun 20, 2011 at 4:34 PM, Changhwan Youn <chaos.youn at samsung.com> wrote:
> This patch adds external GIC io memory mapping
> to support external GIC on EXYNOS4.
>
> Signed-off-by: Changhwan Youn <chaos.youn at samsung.com>
> ---
>  arch/arm/mach-exynos4/cpu.c              |   10 ++++++++++
>  arch/arm/mach-exynos4/include/mach/map.h |    5 +++--
>  arch/arm/plat-s5p/include/plat/map-s5p.h |    5 +++--
>  3 files changed, 16 insertions(+), 4 deletions(-)
>
> diff --git a/arch/arm/mach-exynos4/cpu.c b/arch/arm/mach-exynos4/cpu.c
> index 1196f39..6a1ed74 100644
> --- a/arch/arm/mach-exynos4/cpu.c
> +++ b/arch/arm/mach-exynos4/cpu.c
> @@ -107,6 +107,16 @@ static struct map_desc exynos4_iodesc[] __initdata = {
>                .pfn            = __phys_to_pfn(EXYNOS4_PA_AUDSS),
>                .length         = SZ_1K,
>                .type           = MT_DEVICE,
> +       }, {
> +               .virtual        = (unsigned long)S5P_VA_GIC_CPU,
> +               .pfn            = __phys_to_pfn(EXYNOS4_PA_GIC_CPU),
> +               .length         = SZ_64K,
> +               .type           = MT_DEVICE,
> +       }, {
> +               .virtual        = (unsigned long)S5P_VA_GIC_DIST,
> +               .pfn            = __phys_to_pfn(EXYNOS4_PA_GIC_DIST),
> +               .length         = SZ_64K,
> +               .type           = MT_DEVICE,
>        },
>  };
>
> diff --git a/arch/arm/mach-exynos4/include/mach/map.h b/arch/arm/mach-exynos4/include/mach/map.h
> index 57d8074..9d5d797 100644
> --- a/arch/arm/mach-exynos4/include/mach/map.h
> +++ b/arch/arm/mach-exynos4/include/mach/map.h
> @@ -61,10 +61,11 @@
>
>  #define EXYNOS4_PA_COMBINER            0x10448000

Isn't this 0x10440000 if we are going to use External GIC?

The user manual says it's 0x10440000 for Ext-GIC and 0x10448000 for
Internal-GIC.


-- 
MyungJoo Ham, Ph.D.
Mobile Software Platform Lab,
Digital Media and Communications (DMC) Business
Samsung Electronics
cell: 82-10-6714-2858