From 6d4ab38a0a21c82076105e4cc37087ef92253c7b Mon Sep 17 00:00:00 2001 From: Anand Moon Date: Mon, 25 Aug 2025 12:21:48 +0530 Subject: [PATCH] arm64: dts: amlogic: Add cache information to the Amlogic C3 SoC As per C3 datasheet add missing cache information to the Amlogic C3 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/20250825065240.22577-9-linux.amoon@gmail.com Signed-off-by: Neil Armstrong --- arch/arm64/boot/dts/amlogic/amlogic-c3.dtsi | 23 +++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/arch/arm64/boot/dts/amlogic/amlogic-c3.dtsi b/arch/arm64/boot/dts/amlogic/amlogic-c3.dtsi index b81bffac77324..e8529e8c4b153 100644 --- a/arch/arm64/boot/dts/amlogic/amlogic-c3.dtsi +++ b/arch/arm64/boot/dts/amlogic/amlogic-c3.dtsi @@ -23,6 +23,13 @@ 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>; }; cpu1: cpu@1 { @@ -30,6 +37,22 @@ 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>; + }; + + l2: l2-cache0 { + compatible = "cache"; + cache-level = <2>; + cache-unified; + cache-size = <0x7d000>; /* L2. 512 KB */ + cache-line-size = <64>; + cache-sets = <512>; }; }; -- 2.47.3