Add CPU caches information to its dt nodes so that the same is
available to userspace via sysfs. This SoC has 64/64 KB I/D cache
for each cores and 256KB of L2 cache.
Signed-off-by: Devang Tailor <dev.tailor@xxxxxxxxxxx>
---
.../arm64/boot/dts/exynos/exynosautov920.dtsi | 79 +++++++++++++++++++
1 file changed, 79 insertions(+)
diff --git a/arch/arm64/boot/dts/exynos/exynosautov920.dtsi b/arch/arm64/boot/dts/exynos/exynosautov920.dtsi
index eb446cdc4ab6..3ca4c8902aa1 100644
--- a/arch/arm64/boot/dts/exynos/exynosautov920.dtsi
+++ b/arch/arm64/boot/dts/exynos/exynosautov920.dtsi
@@ -89,6 +89,13 @@ cpu0: cpu@0 {
compatible = "arm,cortex-a78ae";
reg = <0x0 0x0>;
enable-method = "psci";
+ i-cache-size = <0x10000>;
+ i-cache-line-size = <64>;
+ i-cache-sets = <256>;
+ d-cache-size = <0x10000>;
+ d-cache-line-size = <64>;
+ d-cache-sets = <256>;
+ next-level-cache = <&cpu_l2>;
};
cpu1: cpu@100 {
@@ -96,6 +103,13 @@ cpu1: cpu@100 {
compatible = "arm,cortex-a78ae";
reg = <0x0 0x100>;
enable-method = "psci";
+ i-cache-size = <0x10000>;
+ i-cache-line-size = <64>;
+ i-cache-sets = <256>;
+ d-cache-size = <0x10000>;
+ d-cache-line-size = <64>;
+ d-cache-sets = <256>;
+ next-level-cache = <&cpu_l2>;
};
cpu2: cpu@200 {
@@ -103,6 +117,13 @@ cpu2: cpu@200 {
compatible = "arm,cortex-a78ae";
reg = <0x0 0x200>;
enable-method = "psci";
+ i-cache-size = <0x10000>;
+ i-cache-line-size = <64>;
+ i-cache-sets = <256>;
+ d-cache-size = <0x10000>;
+ d-cache-line-size = <64>;
+ d-cache-sets = <256>;
+ next-level-cache = <&cpu_l2>;
};
cpu3: cpu@300 {
@@ -110,6 +131,13 @@ cpu3: cpu@300 {
compatible = "arm,cortex-a78ae";
reg = <0x0 0x300>;
enable-method = "psci";
+ i-cache-size = <0x10000>;
+ i-cache-line-size = <64>;
+ i-cache-sets = <256>;
+ d-cache-size = <0x10000>;
+ d-cache-line-size = <64>;
+ d-cache-sets = <256>;
+ next-level-cache = <&cpu_l2>;
};
cpu4: cpu@10000 {
@@ -117,6 +145,13 @@ cpu4: cpu@10000 {
compatible = "arm,cortex-a78ae";
reg = <0x0 0x10000>;
enable-method = "psci";
+ i-cache-size = <0x10000>;
+ i-cache-line-size = <64>;
+ i-cache-sets = <256>;
+ d-cache-size = <0x10000>;
+ d-cache-line-size = <64>;
+ d-cache-sets = <256>;
+ next-level-cache = <&cpu_l2>;
};
cpu5: cpu@10100 {
@@ -124,6 +159,13 @@ cpu5: cpu@10100 {
compatible = "arm,cortex-a78ae";
reg = <0x0 0x10100>;
enable-method = "psci";
+ i-cache-size = <0x10000>;
+ i-cache-line-size = <64>;
+ i-cache-sets = <256>;
+ d-cache-size = <0x10000>;
+ d-cache-line-size = <64>;
+ d-cache-sets = <256>;
+ next-level-cache = <&cpu_l2>;
};
cpu6: cpu@10200 {
@@ -131,6 +173,13 @@ cpu6: cpu@10200 {
compatible = "arm,cortex-a78ae";
reg = <0x0 0x10200>;
enable-method = "psci";
+ i-cache-size = <0x10000>;
+ i-cache-line-size = <64>;
+ i-cache-sets = <256>;
+ d-cache-size = <0x10000>;
+ d-cache-line-size = <64>;
+ d-cache-sets = <256>;
+ next-level-cache = <&cpu_l2>;
};
cpu7: cpu@10300 {
@@ -138,6 +187,13 @@ cpu7: cpu@10300 {
compatible = "arm,cortex-a78ae";
reg = <0x0 0x10300>;
enable-method = "psci";
+ i-cache-size = <0x10000>;
+ i-cache-line-size = <64>;
+ i-cache-sets = <256>;
+ d-cache-size = <0x10000>;
+ d-cache-line-size = <64>;
+ d-cache-sets = <256>;
+ next-level-cache = <&cpu_l2>;
};
cpu8: cpu@20000 {
@@ -145,6 +201,13 @@ cpu8: cpu@20000 {
compatible = "arm,cortex-a78ae";
reg = <0x0 0x20000>;
enable-method = "psci";
+ i-cache-size = <0x10000>;
+ i-cache-line-size = <64>;
+ i-cache-sets = <256>;
+ d-cache-size = <0x10000>;
+ d-cache-line-size = <64>;
+ d-cache-sets = <256>;
+ next-level-cache = <&cpu_l2>;
};
cpu9: cpu@20100 {
@@ -152,6 +215,22 @@ cpu9: cpu@20100 {
compatible = "arm,cortex-a78ae";
reg = <0x0 0x20100>;
enable-method = "psci";
+ i-cache-size = <0x10000>;
+ i-cache-line-size = <64>;
+ i-cache-sets = <256>;
+ d-cache-size = <0x10000>;
+ d-cache-line-size = <64>;
+ d-cache-sets = <256>;
+ next-level-cache = <&cpu_l2>;
+ };
+
+ cpu_l2: l2-cache0 {
+ compatible = "cache";
+ cache-level = <2>;
+ cache-unified;
+ cache-size = <0x40000>;
+ cache-line-size = <64>;
+ cache-sets = <512>;
};
};
--
2.34.1
