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-dual.dtsi | 21 +++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/arch/arm64/boot/dts/marvell/armada-ap806-dual.dtsi b/arch/arm64/boot/dts/marvell/armada-ap806-dual.dtsi index 62ae016ee6aa..09849558a776 100644 --- a/arch/arm64/boot/dts/marvell/armada-ap806-dual.dtsi +++ b/arch/arm64/boot/dts/marvell/armada-ap806-dual.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>; }; cpu1: cpu@1 { device_type = "cpu"; @@ -30,6 +37,20 @@ 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>; + }; + + l2: l2-cache { + compatible = "cache"; + cache-size = <0x80000>; + cache-line-size = <64>; + cache-sets = <512>; }; }; }; -- 2.20.1