Add 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 cores and 2MB of L2 cache.
Signed-off-by: Alim Akhtar <alim.akhtar@samsung.com>
Link: https://lore.kernel.org/r/20210622130551.67446-1-alim.akhtar@samsung.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
compatible = "arm,cortex-a57";
reg = <0x0>;
enable-method = "psci";
compatible = "arm,cortex-a57";
reg = <0x0>;
enable-method = "psci";
+ 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>;
compatible = "arm,cortex-a57";
reg = <0x1>;
enable-method = "psci";
compatible = "arm,cortex-a57";
reg = <0x1>;
enable-method = "psci";
+ 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>;
compatible = "arm,cortex-a57";
reg = <0x2>;
enable-method = "psci";
compatible = "arm,cortex-a57";
reg = <0x2>;
enable-method = "psci";
+ 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>;
compatible = "arm,cortex-a57";
reg = <0x3>;
enable-method = "psci";
compatible = "arm,cortex-a57";
reg = <0x3>;
enable-method = "psci";
+ 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>;