Commit b4791e69 authored Jan 11, 2021 by Danny Lin Committed by Bjorn Andersson Jan 15, 2021

arm64: dts: qcom: sm8250: Define CPU topology



sm8250 has a big.LITTLE CPU setup with DynamIQ, so all cores are within
the same CPU cluster and LLC (Last-Level Cache) domain. Define this
topology to help the scheduler make decisions.

Signed-off-by: Danny Lin <danny@kdrag0n.dev>
Link: https://lore.kernel.org/r/20210112013255.415253-1-danny@kdrag0n.dev


Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

parent 3716a583

arch/arm64/boot/dts/qcom/sm8250.dtsi

+36 −0

Original line number	Diff line number	Diff line
		@@ -203,6 +203,42 @@
		next-level-cache = <&L3_0>;
		};
		};

		cpu-map {
		cluster0 {
		core0 {
		cpu = <&CPU0>;
		};

		core1 {
		cpu = <&CPU1>;
		};

		core2 {
		cpu = <&CPU2>;
		};

		core3 {
		cpu = <&CPU3>;
		};

		core4 {
		cpu = <&CPU4>;
		};

		core5 {
		cpu = <&CPU5>;
		};

		core6 {
		cpu = <&CPU6>;
		};

		core7 {
		cpu = <&CPU7>;
		};
		};
		};
		};

		firmware {