[PATCH 4/9] arm64: dts: apple: s800-0-3: Add CPU caches

Nick Chan towinchenmi at gmail.com
Thu Feb 20 04:21:45 PST 2025


Add information about CPU caches in both variants of Apple A9 SoC.

Signed-off-by: Nick Chan <towinchenmi at gmail.com>
---
 arch/arm64/boot/dts/apple/s800-0-3.dtsi | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/arch/arm64/boot/dts/apple/s800-0-3.dtsi b/arch/arm64/boot/dts/apple/s800-0-3.dtsi
index 2aec49f0da6467519aeb2561d00b14f46fe216fb..e56697689d953fdb0da9d23b57fd92b6f8eb5756 100644
--- a/arch/arm64/boot/dts/apple/s800-0-3.dtsi
+++ b/arch/arm64/boot/dts/apple/s800-0-3.dtsi
@@ -36,6 +36,9 @@ cpu0: cpu at 0 {
 			performance-domains = <&cpufreq>;
 			enable-method = "spin-table";
 			device_type = "cpu";
+			next-level-cache = <&l2_cache>;
+			i-cache-size = <0x10000>;
+			d-cache-size = <0x10000>;
 		};
 
 		cpu1: cpu at 1 {
@@ -46,6 +49,16 @@ cpu1: cpu at 1 {
 			performance-domains = <&cpufreq>;
 			enable-method = "spin-table";
 			device_type = "cpu";
+			next-level-cache = <&l2_cache>;
+			i-cache-size = <0x10000>;
+			d-cache-size = <0x10000>;
+		};
+
+		l2_cache: l2-cache {
+			compatible = "cache";
+			cache-level = <2>;
+			cache-unified;
+			cache-size = <0x300000>;
 		};
 	};
 

-- 
2.48.1




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