This patch adds cpu caches information to its dt nodes so that the same is available to userspace via sysfs. This SoC has 48/32 KB I/D cache for each A57 cores with 2MB L2 cache. And 32/32 KB I/D cache for each A53 cores with 256KB L2 cache. Signed-off-by: Alim Akhtar <alim.akhtar@xxxxxxxxxxx> --- arch/arm64/boot/dts/exynos/exynos5433.dtsi | 70 ++++++++++++++++++++++ 1 file changed, 70 insertions(+) diff --git a/arch/arm64/boot/dts/exynos/exynos5433.dtsi b/arch/arm64/boot/dts/exynos/exynos5433.dtsi index 18a912eee360..8183a59e9046 100644 --- a/arch/arm64/boot/dts/exynos/exynos5433.dtsi +++ b/arch/arm64/boot/dts/exynos/exynos5433.dtsi @@ -62,6 +62,13 @@ clock-names = "apolloclk"; operating-points-v2 = <&cluster_a53_opp_table>; #cooling-cells = <2>; + i-cache-size = <0x8000>; + i-cache-line-size = <64>; + i-cache-sets = <256>; + d-cache-size = <0x8000>; + d-cache-line-size = <64>; + d-cache-sets = <128>; + next-level-cache = <&apollo_l2>; }; cpu1: cpu@101 { @@ -72,6 +79,13 @@ clock-frequency = <1300000000>; operating-points-v2 = <&cluster_a53_opp_table>; #cooling-cells = <2>; + i-cache-size = <0x8000>; + i-cache-line-size = <64>; + i-cache-sets = <256>; + d-cache-size = <0x8000>; + d-cache-line-size = <64>; + d-cache-sets = <128>; + next-level-cache = <&apollo_l2>; }; cpu2: cpu@102 { @@ -82,6 +96,13 @@ clock-frequency = <1300000000>; operating-points-v2 = <&cluster_a53_opp_table>; #cooling-cells = <2>; + i-cache-size = <0x8000>; + i-cache-line-size = <64>; + i-cache-sets = <256>; + d-cache-size = <0x8000>; + d-cache-line-size = <64>; + d-cache-sets = <128>; + next-level-cache = <&apollo_l2>; }; cpu3: cpu@103 { @@ -92,6 +113,13 @@ clock-frequency = <1300000000>; operating-points-v2 = <&cluster_a53_opp_table>; #cooling-cells = <2>; + i-cache-size = <0x8000>; + i-cache-line-size = <64>; + i-cache-sets = <256>; + d-cache-size = <0x8000>; + d-cache-line-size = <64>; + d-cache-sets = <128>; + next-level-cache = <&apollo_l2>; }; cpu4: cpu@0 { @@ -104,6 +132,13 @@ clock-names = "atlasclk"; operating-points-v2 = <&cluster_a57_opp_table>; #cooling-cells = <2>; + i-cache-size = <0xc000>; + i-cache-line-size = <64>; + i-cache-sets = <256>; + d-cache-size = <0x8000>; + d-cache-line-size = <64>; + d-cache-sets = <256>; + next-level-cache = <&atlas_l2>; }; cpu5: cpu@1 { @@ -114,6 +149,13 @@ clock-frequency = <1900000000>; operating-points-v2 = <&cluster_a57_opp_table>; #cooling-cells = <2>; + i-cache-size = <0xc000>; + i-cache-line-size = <64>; + i-cache-sets = <256>; + d-cache-size = <0x8000>; + d-cache-line-size = <64>; + d-cache-sets = <256>; + next-level-cache = <&atlas_l2>; }; cpu6: cpu@2 { @@ -124,6 +166,13 @@ clock-frequency = <1900000000>; operating-points-v2 = <&cluster_a57_opp_table>; #cooling-cells = <2>; + i-cache-size = <0xc000>; + i-cache-line-size = <64>; + i-cache-sets = <256>; + d-cache-size = <0x8000>; + d-cache-line-size = <64>; + d-cache-sets = <256>; + next-level-cache = <&atlas_l2>; }; cpu7: cpu@3 { @@ -134,6 +183,27 @@ clock-frequency = <1900000000>; operating-points-v2 = <&cluster_a57_opp_table>; #cooling-cells = <2>; + i-cache-size = <0xc000>; + i-cache-line-size = <64>; + i-cache-sets = <256>; + d-cache-size = <0x8000>; + d-cache-line-size = <64>; + d-cache-sets = <256>; + next-level-cache = <&atlas_l2>; + }; + + atlas_l2: l2-cache0 { + compatible = "cache"; + cache-size = <0x200000>; + cache-line-size = <64>; + cache-sets = <2048>; + }; + + apollo_l2: l2-cache1 { + compatible = "cache"; + cache-size = <0x40000>; + cache-line-size = <64>; + cache-sets = <256>; }; }; -- 2.17.1