[U-Boot] [PATCH V4 2/4] ARM: arm1176: enable instruction cache in arch_cpu_init()

Simon Glass sjg at chromium.org
Tue Oct 2 02:15:14 EDT 2012


On Sun, Aug 5, 2012 at 7:07 PM, Stephen Warren <swarren at wwwdotorg.org> wrote:
> Note that this affects all users of the ARM1176 CPU that enable
> CONFIG_ARCH_CPU_INIT, not just the BCM2835 SoC, potentially such as
> tnetv107x.
>
> Cc: Cyril Chemparathy <cyril at ti.com>
> Signed-off-by: Stephen Warren <swarren at wwwdotorg.org>

Acked-by: Simon Glass <sjg at chromium.org>

> ---
> v4: No change
> v3: No change, re-ordered patch
> v2: No change
> ---
>  arch/arm/cpu/arm1176/cpu.c |    7 +++++++
>  1 file changed, 7 insertions(+)
>
> diff --git a/arch/arm/cpu/arm1176/cpu.c b/arch/arm/cpu/arm1176/cpu.c
> index c0fd114..532a90b 100644
> --- a/arch/arm/cpu/arm1176/cpu.c
> +++ b/arch/arm/cpu/arm1176/cpu.c
> @@ -65,3 +65,10 @@ static void cache_flush (void)
>         /* mem barrier to sync things */
>         asm ("mcr p15, 0, %0, c7, c10, 4": :"r" (0));
>  }
> +
> +int arch_cpu_init(void)
> +{
> +       icache_enable();
> +
> +       return 0;
> +}
> --
> 1.7.9.5
>
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