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-ap807-quad.dtsi | 42 +++++++++++++++++++
1 file changed, 42 insertions(+)
diff --git a/arch/arm64/boot/dts/marvell/armada-ap807-quad.dtsi b/arch/arm64/boot/dts/marvell/armada-ap807-quad.dtsi
index 65364691257d..840466e143b4 100644
--- a/arch/arm64/boot/dts/marvell/armada-ap807-quad.dtsi
+++ b/arch/arm64/boot/dts/marvell/armada-ap807-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
