From: Anand Moon Date: Mon, 25 Aug 2025 06:51:46 +0000 (+0530) Subject: arm64: dts: amlogic: Add cache information to the Amlogic A1 SoC X-Git-Tag: v6.18-rc1~147^2~10^2~8 X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=2d97773212f8516b2fe3177077b1ecf7b67a4e09;p=thirdparty%2Flinux.git arm64: dts: amlogic: Add cache information to the Amlogic A1 SoC As per the A1 datasheet add missing cache information to the Amlogic A1 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. Cache memory significantly reduces the time it takes for the CPU to access data and instructions, leading to faster program execution and overall system responsiveness. Signed-off-by: Anand Moon Link: https://lore.kernel.org/r/20250825065240.22577-7-linux.amoon@gmail.com Signed-off-by: Neil Armstrong --- diff --git a/arch/arm64/boot/dts/amlogic/meson-a1.dtsi b/arch/arm64/boot/dts/amlogic/meson-a1.dtsi index f7f25a10f409a..27b68ed85c4c2 100644 --- a/arch/arm64/boot/dts/amlogic/meson-a1.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-a1.dtsi @@ -27,6 +27,12 @@ compatible = "arm,cortex-a35"; 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>; #cooling-cells = <2>; }; @@ -36,6 +42,12 @@ compatible = "arm,cortex-a35"; 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>; #cooling-cells = <2>; }; @@ -44,6 +56,9 @@ compatible = "cache"; cache-level = <2>; cache-unified; + cache-size = <0x80000>; /* L2. 512 KB */ + cache-line-size = <64>; + cache-sets = <512>; }; };