[PATCH v3 04/11] arm64: dts: amlogic: Add cache information to the Amlogic AXG SoCS

Anand Moon linux.amoon at gmail.com
Fri Sep 5 04:57:35 PDT 2025


As per the AXG datasheet add missing cache information to the Amlogic AXG
SoC.

- Each Cortex-A53 core has 32KB of L1 instruction cache available and
	32KB of L1 data cache available.
- Along with 512KB Unified L2 cache.

Signed-off-by: Anand Moon <linux.amoon at gmail.com>
---
 arch/arm64/boot/dts/amlogic/meson-axg.dtsi | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/arch/arm64/boot/dts/amlogic/meson-axg.dtsi b/arch/arm64/boot/dts/amlogic/meson-axg.dtsi
index 2df143aa77ce3..04fb130ac7c6a 100644
--- a/arch/arm64/boot/dts/amlogic/meson-axg.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-axg.dtsi
@@ -83,6 +83,12 @@ cpu1: cpu at 1 {
 			compatible = "arm,cortex-a53";
 			reg = <0x0 0x1>;
 			enable-method = "psci";
+			d-cache-line-size = <32>;
+			d-cache-size = <0x8000>;
+			d-cache-sets = <32>;
+			i-cache-line-size = <32>;
+			i-cache-size = <0x8000>;
+			i-cache-sets = <32>;
 			next-level-cache = <&l2>;
 			clocks = <&scpi_dvfs 0>;
 			dynamic-power-coefficient = <140>;
@@ -94,6 +100,12 @@ cpu2: cpu at 2 {
 			compatible = "arm,cortex-a53";
 			reg = <0x0 0x2>;
 			enable-method = "psci";
+			d-cache-line-size = <32>;
+			d-cache-size = <0x8000>;
+			d-cache-sets = <32>;
+			i-cache-line-size = <32>;
+			i-cache-size = <0x8000>;
+			i-cache-sets = <32>;
 			next-level-cache = <&l2>;
 			clocks = <&scpi_dvfs 0>;
 			dynamic-power-coefficient = <140>;
@@ -105,6 +117,12 @@ cpu3: cpu at 3 {
 			compatible = "arm,cortex-a53";
 			reg = <0x0 0x3>;
 			enable-method = "psci";
+			d-cache-line-size = <32>;
+			d-cache-size = <0x8000>;
+			d-cache-sets = <32>;
+			i-cache-line-size = <32>;
+			i-cache-size = <0x8000>;
+			i-cache-sets = <32>;
 			next-level-cache = <&l2>;
 			clocks = <&scpi_dvfs 0>;
 			dynamic-power-coefficient = <140>;
@@ -115,6 +133,9 @@ l2: l2-cache0 {
 			compatible = "cache";
 			cache-level = <2>;
 			cache-unified;
+			cache-size = <0x80000>; /* L2. 512 KB */
+			cache-line-size = <64>;
+			cache-sets = <512>;
 		};
 	};
 
-- 
2.50.1




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