[PATCH 2/9] arm64: dts: apple: t7000: Add CPU caches

From: Nick Chan
Date: Thu Feb 20 2025 - 07:24:19 EST


Add information about CPU caches in Apple A8 SoC.

Signed-off-by: Nick Chan <towinchenmi@xxxxxxxxx>
---
arch/arm64/boot/dts/apple/t7000.dtsi | 13 +++++++++++++
1 file changed, 13 insertions(+)

diff --git a/arch/arm64/boot/dts/apple/t7000.dtsi b/arch/arm64/boot/dts/apple/t7000.dtsi
index 32cac8c30e62d657079dbf32aece8af0fd9cef38..229ebd78c9d14609c30cdd011d1ec59847c846f8 100644
--- a/arch/arm64/boot/dts/apple/t7000.dtsi
+++ b/arch/arm64/boot/dts/apple/t7000.dtsi
@@ -37,6 +37,9 @@ cpu0: cpu@0 {
operating-points-v2 = <&typhoon_opp>;
enable-method = "spin-table";
device_type = "cpu";
+ next-level-cache = <&l2_cache>;
+ i-cache-size = <0x10000>;
+ d-cache-size = <0x10000>;
};

cpu1: cpu@1 {
@@ -47,6 +50,16 @@ cpu1: cpu@1 {
operating-points-v2 = <&typhoon_opp>;
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 = <0x100000>;
};
};


--
2.48.1