diff options
| author | Danny Lin <danny@kdrag0n.dev> | 2021-01-11 17:32:53 -0800 |
|---|---|---|
| committer | Bjorn Andersson <bjorn.andersson@linaro.org> | 2021-01-15 08:29:02 -0600 |
| commit | b4791e695526939be3c4f043fe69222d2ba7c171 (patch) | |
| tree | 812cf3131609898ca94ff9b97603f64823d04d6a /arch/arm64/boot/dts/qcom | |
| parent | 3716a583fe0bbe3babf4ce260064a7fa13d6d989 (diff) | |
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>
Diffstat (limited to 'arch/arm64/boot/dts/qcom')
| -rw-r--r-- | arch/arm64/boot/dts/qcom/sm8250.dtsi | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/qcom/sm8250.dtsi b/arch/arm64/boot/dts/qcom/sm8250.dtsi index 1c3ab5a3783d..8d5c5d44187a 100644 --- a/arch/arm64/boot/dts/qcom/sm8250.dtsi +++ b/arch/arm64/boot/dts/qcom/sm8250.dtsi @@ -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 { |