[PATCH V5 REPOST 4/7] ARM: rpi_b: disable rpi_b dcache explicitly

Albert ARIBAUD albert.u.boot at aribaud.net
Wed Mar 20 11:31:18 EDT 2013


Hi Stephen,

On Tue, 15 Jan 2013 19:26:56 -0700, Stephen Warren
<swarren at wwwdotorg.org> wrote:

> There appears to be no implementation of flush_dcache_range() for
> ARM1176, so explicitly disable dcache support to avoid references to
> that function from the LCD core in the next patch. This was presumably
> not noticed before simply because no drivers for the rpi_b were
> attempting DMA.
> 
> Signed-off-by: Stephen Warren <swarren at wwwdotorg.org>
> ---
> v5: No change; merged patch series.
> v4: New patch.
> ---
>  include/configs/rpi_b.h |    1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/include/configs/rpi_b.h b/include/configs/rpi_b.h
> index cf62e45..5db31f5 100644
> --- a/include/configs/rpi_b.h
> +++ b/include/configs/rpi_b.h
> @@ -23,6 +23,7 @@
>  #define CONFIG_ARM1176
>  #define CONFIG_BCM2835
>  #define CONFIG_ARCH_CPU_INIT
> +#define CONFIG_SYS_DCACHE_OFF
>  /*
>   * 2835 is a SKU in a series for which the 2708 is the first or primary SoC,
>   * so 2708 has historically been used rather than a dedicated 2835 ID.

Applied to u-boot-arm/master, thanks!

Amicalement,
-- 
Albert.



More information about the linux-rpi-kernel mailing list