@@ -88,6 +88,7 @@
device_type = "cpu";
reg = <0>;
enable-method = "psci";
+ next-level-cache = <&L2>;
};
cpu1: cpu@1 {
@@ -95,6 +96,7 @@
device_type = "cpu";
reg = <1>;
enable-method = "psci";
+ next-level-cache = <&L2>;
};
cpu2: cpu@2 {
@@ -102,6 +104,7 @@
device_type = "cpu";
reg = <2>;
enable-method = "psci";
+ next-level-cache = <&L2>;
};
cpu3: cpu@3 {
@@ -109,6 +112,12 @@
device_type = "cpu";
reg = <3>;
enable-method = "psci";
+ next-level-cache = <&L2>;
+ };
+
+ L2: l2-cache {
+ compatible = "cache";
+ cache-level = <2>;
};
};
Current kernels complain when booting on an A64 Soc: .... [ 1.904297] cacheinfo: Unable to detect cache hierarchy for CPU 0 .... Not a real biggie on this flat topology, but also easy enough to fix. Add the L2 cache node and let each CPU point to it. Signed-off-by: Andre Przywara <andre.przywara@arm.com> --- arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 9 +++++++++ 1 file changed, 9 insertions(+)