On Mon, Jun 20, 2011 at 4:34 PM, Changhwan Youn <chaos.youn@xxxxxxxxxxx> wrote:
> This patch adds external GIC io memory mapping
> to support external GIC on EXYNOS4.
>
> Signed-off-by: Changhwan Youn <chaos.youn@xxxxxxxxxxx>
> ---
> 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
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