[PATCH v3 07/11] arm64: dts: amlogic: Add cache information to the Amlogic A4 SoC
Anand Moon
linux.amoon at gmail.com
Fri Sep 5 04:57:38 PDT 2025
As per A4 datasheet add missing cache information to the Amlogic A4 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/amlogic-a4.dtsi | 37 +++++++++++++++++++++
1 file changed, 37 insertions(+)
diff --git a/arch/arm64/boot/dts/amlogic/amlogic-a4.dtsi b/arch/arm64/boot/dts/amlogic/amlogic-a4.dtsi
index 563bc2e662fac..fce45933fa28b 100644
--- a/arch/arm64/boot/dts/amlogic/amlogic-a4.dtsi
+++ b/arch/arm64/boot/dts/amlogic/amlogic-a4.dtsi
@@ -17,6 +17,13 @@ cpu0: cpu at 0 {
compatible = "arm,cortex-a53";
reg = <0x0 0x0>;
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>;
};
cpu1: cpu at 1 {
@@ -24,6 +31,13 @@ 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>;
};
cpu2: cpu at 2 {
@@ -31,6 +45,13 @@ 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>;
};
cpu3: cpu at 3 {
@@ -38,6 +59,22 @@ 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>;
+ };
+
+ 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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