[PATCH] ARM: BCM5301X: activate some additional options in pl310 cache controller

Rafał Miłecki zajec5 at gmail.com
Sun May 24 11:54:01 PDT 2015


On 24 May 2015 at 20:50, Hauke Mehrtens <hauke at hauke-m.de> wrote:
> In the default Broadcom SDK the shared override is activated for this
> cache controller, do the same in the upstream code. Data and
> instruction prefetching is not activated by default for this cache
> controller on the bcm53xx SoC, do it manually like it is done in the
> vendor SDK.
>
> Signed-off-by: Hauke Mehrtens <hauke at hauke-m.de>
> ---
>  arch/arm/boot/dts/bcm5301x.dtsi | 3 +++
>  1 file changed, 3 insertions(+)
>
> diff --git a/arch/arm/boot/dts/bcm5301x.dtsi b/arch/arm/boot/dts/bcm5301x.dtsi
> index 78aec62..7d1578a 100644
> --- a/arch/arm/boot/dts/bcm5301x.dtsi
> +++ b/arch/arm/boot/dts/bcm5301x.dtsi
> @@ -78,6 +78,9 @@
>                         compatible = "arm,pl310-cache";
>                         reg = <0x2000 0x1000>;
>                         cache-unified;
> +                       arm,shared-override;
> +                       arm,prefetch-data = <1>;
> +                       arm,prefetch-instr = <1>;
>                         cache-level = <2>;
>                 };
>         };
> --
> 2.1.4

Fwd-ing to Felix, who was also looking at this I believe.

-- 
Rafał



More information about the linux-arm-kernel mailing list