From: Grzegorz Jaszczyk <jaz@xxxxxxxxxxxx> Adding appropriate entries to device-tree allows the cache description to show up in sysfs under: /sys/devices/system/cpu/cpuX/cache/. Signed-off-by: Grzegorz Jaszczyk <jaz@xxxxxxxxxxxx> Signed-off-by: Miquel Raynal <miquel.raynal@xxxxxxxxxxx> --- .../boot/dts/marvell/armada-ap806-quad.dtsi | 42 +++++++++++++++++++ 1 file changed, 42 insertions(+) diff --git a/arch/arm64/boot/dts/marvell/armada-ap806-quad.dtsi b/arch/arm64/boot/dts/marvell/armada-ap806-quad.dtsi index c25bc65727b5..3db427122f9e 100644 --- a/arch/arm64/boot/dts/marvell/armada-ap806-quad.dtsi +++ b/arch/arm64/boot/dts/marvell/armada-ap806-quad.dtsi @@ -22,6 +22,13 @@ enable-method = "psci"; #cooling-cells = <2>; clocks = <&cpu_clk 0>; + 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 = <&l2_0>; }; cpu1: cpu@1 { device_type = "cpu"; @@ -30,6 +37,13 @@ enable-method = "psci"; #cooling-cells = <2>; clocks = <&cpu_clk 0>; + 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 = <&l2_0>; }; cpu2: cpu@100 { device_type = "cpu"; @@ -38,6 +52,13 @@ enable-method = "psci"; #cooling-cells = <2>; clocks = <&cpu_clk 1>; + 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 = <&l2_1>; }; cpu3: cpu@101 { device_type = "cpu"; @@ -46,6 +67,27 @@ enable-method = "psci"; #cooling-cells = <2>; clocks = <&cpu_clk 1>; + 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 = <&l2_1>; + }; + + l2_0: l2-cache0 { + compatible = "cache"; + cache-size = <0x80000>; + cache-line-size = <64>; + cache-sets = <512>; + }; + + l2_1: l2-cache1 { + compatible = "cache"; + cache-size = <0x80000>; + cache-line-size = <64>; + cache-sets = <512>; }; }; }; -- 2.20.1