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| author |   Frode Isaksen <fisaksen@baylibre.com> | 2017-12-19 11:15:35 +0000 |
|---|---|---|
| committer |   Jan-Simon Moeller <jsmoeller@linuxfoundation.org> | 2018-02-07 11:47:29 +0000 |
| commit | c4a6287185179732dfc1e903c195ff90c19f1065 (patch) | |
| tree | d35f5010dbd952e40f5c178322026445b55757c1 /meta-eas/recipes-kernel/linux/linux-renesas/0084-arm64-dts-r8a7795-Add-multi-cluster-definition.patch | |
| parent | 109dea1d5c5a38807b098b588584636ae636a302 (diff) | |
This layer provides Energy Aware Scheduling (EAS) patcheseel_5.1.0eel_5.0.3eel_5.0.2eel/5.1.0eel/5.0.3eel/5.0.25.1.05.0.35.0.2eel
For the moment only for Renesas R-Car Gen3 SoC's.
Can be expanded for other SoC's by setting the machine
feature biglittle and provide the relevant EAS patches.
Bug-AGL: SPEC-813
Change-Id: I2b5e69c515c33e57be19b30466fe208d7b8ac1a5
Signed-off-by: Frode Isaksen <fisaksen@baylibre.com>
Diffstat (limited to 'meta-eas/recipes-kernel/linux/linux-renesas/0084-arm64-dts-r8a7795-Add-multi-cluster-definition.patch')
| -rw-r--r-- | meta-eas/recipes-kernel/linux/linux-renesas/0084-arm64-dts-r8a7795-Add-multi-cluster-definition.patch | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/meta-eas/recipes-kernel/linux/linux-renesas/0084-arm64-dts-r8a7795-Add-multi-cluster-definition.patch b/meta-eas/recipes-kernel/linux/linux-renesas/0084-arm64-dts-r8a7795-Add-multi-cluster-definition.patch new file mode 100644 index 0000000..bf83a88 --- /dev/null +++ b/meta-eas/recipes-kernel/linux/linux-renesas/0084-arm64-dts-r8a7795-Add-multi-cluster-definition.patch @@ -0,0 +1,59 @@ +From 0fe892a26802ebd96f9e565760c4cb215babb96a Mon Sep 17 00:00:00 2001 +From: Gaku Inami <gaku.inami.xw@bp.renesas.com> +Date: Thu, 1 Oct 2015 14:50:38 +0900 +Subject: [PATCH 84/92] arm64: dts: r8a7795: Add multi-cluster definition + +This patch adds the "cpu-map" for multi-cluster into r8a7795 +device-tree. This definition is used to parse the cpu topology. + +Signed-off-by: Gaku Inami <gaku.inami.xw@bp.renesas.com> +--- + arch/arm64/boot/dts/renesas/r8a7795.dtsi | 32 ++++++++++++++++++++++++++++++++ + 1 file changed, 32 insertions(+) + +diff --git a/arch/arm64/boot/dts/renesas/r8a7795.dtsi b/arch/arm64/boot/dts/renesas/r8a7795.dtsi +index 94262a1..22df16ba 100644 +--- a/arch/arm64/boot/dts/renesas/r8a7795.dtsi ++++ b/arch/arm64/boot/dts/renesas/r8a7795.dtsi +@@ -55,6 +55,38 @@ + #address-cells = <1>; + #size-cells = <0>; + ++ cpu-map { ++ cluster0 { ++ core0 { ++ cpu = <&a57_0>; ++ }; ++ core1 { ++ cpu = <&a57_1>; ++ }; ++ core2 { ++ cpu = <&a57_2>; ++ }; ++ core3 { ++ cpu = <&a57_3>; ++ }; ++ }; ++ ++ cluster1 { ++ core0 { ++ cpu = <&a53_0>; ++ }; ++ core1 { ++ cpu = <&a53_1>; ++ }; ++ core2 { ++ cpu = <&a53_2>; ++ }; ++ core3 { ++ cpu = <&a53_3>; ++ }; ++ }; ++ }; ++ + a57_0: cpu@0 { + compatible = "arm,cortex-a57", "arm,armv8"; + reg = <0x0>; +-- +1.9.1 + |