[PATCH v2] arm64: dts: r8a7795: Add L2 cache-controller nodes
Dirk Behme
dirk.behme at gmail.com
Wed Feb 3 09:21:17 PST 2016
On 16.01.2016 15:17, Dirk Behme wrote:
> From: Geert Uytterhoeven <geert+renesas at glider.be>
>
> Add device nodes for the L2 caches, and link the CPU node to its L2
> cache node.
>
> The L2 cache for the Cortex-A57 CPU cores is 2 MiB large (organized as
> 128 KiB x 16 ways).
>
> Signed-off-by: Geert Uytterhoeven <geert+renesas at glider.be>
> Signed-off-by: Dirk Behme <dirk.behme at gmail.com>
> ---
> Changes in v2: Dropped the not yet merged Cortex A53 part.
>
> arch/arm64/boot/dts/renesas/r8a7795.dtsi | 8 ++++++++
> 1 file changed, 8 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/renesas/r8a7795.dtsi b/arch/arm64/boot/dts/renesas/r8a7795.dtsi
> index a82bce8..a22ae65 100644
> --- a/arch/arm64/boot/dts/renesas/r8a7795.dtsi
> +++ b/arch/arm64/boot/dts/renesas/r8a7795.dtsi
> @@ -39,6 +39,7 @@
> compatible = "arm,cortex-a57", "arm,armv8";
> reg = <0x0>;
> device_type = "cpu";
> + next-level-cache = <&L2_CA57>;
> enable-method = "psci";
> };
>
> @@ -46,22 +47,29 @@
> compatible = "arm,cortex-a57","arm,armv8";
> reg = <0x1>;
> device_type = "cpu";
> + next-level-cache = <&L2_CA57>;
> enable-method = "psci";
> };
> a57_2: cpu at 2 {
> compatible = "arm,cortex-a57","arm,armv8";
> reg = <0x2>;
> device_type = "cpu";
> + next-level-cache = <&L2_CA57>;
> enable-method = "psci";
> };
> a57_3: cpu at 3 {
> compatible = "arm,cortex-a57","arm,armv8";
> reg = <0x3>;
> device_type = "cpu";
> + next-level-cache = <&L2_CA57>;
> enable-method = "psci";
> };
> };
>
> + L2_CA57: cache-controller at 0 {
> + compatible = "cache";
> + };
> +
> extal_clk: extal {
> compatible = "fixed-clock";
> #clock-cells = <0>;
>
Any further comments to this? If not, could this be applied?
Best regards
Dirk
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