| Message ID | 1433444021-22167-5-git-send-email-geert+renesas@glider.be (mailing list archive) |
|---|---|
| State | RFC |
| Delegated to: | Simon Horman |
| Headers | show |
diff --git a/arch/arm/boot/dts/r8a7791.dtsi b/arch/arm/boot/dts/r8a7791.dtsi index b657c7e7363e3d99..8013223448b5b464 100644 --- a/arch/arm/boot/dts/r8a7791.dtsi +++ b/arch/arm/boot/dts/r8a7791.dtsi @@ -69,6 +69,19 @@ }; }; + L2_CA15: cache-controller@0 { + compatible = "cache"; + + arm,data-latency = <4 4 0>; + arm,tag-latency = <3 3 3>; + cache-unified; + cache-level = <2>; + cache-size = <0x100000>; + cache-sets = <2048>; + cache-block-size = <32>; + cache-line-size = <32>; + }; + gic: interrupt-controller@f1001000 { compatible = "arm,cortex-a15-gic"; #interrupt-cells = <3>;
Add a device node for the L2 cache: - The L2 cache for the Cortex-A15 CPU cores is 1 MiB large (organized as 64 KiB x 16 ways), and requires the following settings: - Tag RAM latency: 3 cycles, - Data RAM latency: 4 cycles, - Data RAM setup: 0 cycles. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> --- What are the DT bindings for a Cortex-A15 L2 cache controller? --- arch/arm/boot/dts/r8a7791.dtsi | 13 +++++++++++++ 1 file changed, 13 insertions(+)