From 29288bab8c46d18a3a29772229dacda5822e081b Mon Sep 17 00:00:00 2001 From: AngeloGioacchino Del Regno Date: Tue, 6 Dec 2022 12:23:27 +0100 Subject: [PATCH] arm64: dts: mt8192: Add complete CPU caches information This SoC features two clusters composed of: - 4x Cortex A55: 32KB I-cache and 32KB D-cache, 4-way set associative, per-cpu 128KB L2 cache, 4-way set associative; - 4x Cortex A76: 64KB I-cache and 64KB D-cache, 4-way set associative, per-cpu 256KB L2 cache, 8-way set associative; Moreover, the two clusters are sharing a DSU L3 cache with size 2MB, 16-way set associative. With that in mind, add the appropriate properties needed to specify the caches information for this SoC, which will now be correctly exported to sysfs. Signed-off-by: AngeloGioacchino Del Regno Link: https://lore.kernel.org/r/20221206112330.78431-3-angelogioacchino.delregno@collabora.com Signed-off-by: Matthias Brugger --- arch/arm64/boot/dts/mediatek/mt8192.dtsi | 58 ++++++++++++++++++++++++ 1 file changed, 58 insertions(+) diff --git a/arch/arm64/boot/dts/mediatek/mt8192.dtsi b/arch/arm64/boot/dts/mediatek/mt8192.dtsi index 0d43a32734a37..dd618c563e8a9 100644 --- a/arch/arm64/boot/dts/mediatek/mt8192.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8192.dtsi @@ -63,6 +63,12 @@ enable-method = "psci"; clock-frequency = <1701000000>; cpu-idle-states = <&cpu_sleep_l &cluster_sleep_l>; + i-cache-size = <32768>; + i-cache-line-size = <64>; + i-cache-sets = <128>; + d-cache-size = <32768>; + d-cache-line-size = <64>; + d-cache-sets = <128>; next-level-cache = <&l2_0>; capacity-dmips-mhz = <530>; }; @@ -74,6 +80,12 @@ enable-method = "psci"; clock-frequency = <1701000000>; cpu-idle-states = <&cpu_sleep_l &cluster_sleep_l>; + i-cache-size = <32768>; + i-cache-line-size = <64>; + i-cache-sets = <128>; + d-cache-size = <32768>; + d-cache-line-size = <64>; + d-cache-sets = <128>; next-level-cache = <&l2_0>; capacity-dmips-mhz = <530>; }; @@ -85,6 +97,12 @@ enable-method = "psci"; clock-frequency = <1701000000>; cpu-idle-states = <&cpu_sleep_l &cluster_sleep_l>; + i-cache-size = <32768>; + i-cache-line-size = <64>; + i-cache-sets = <128>; + d-cache-size = <32768>; + d-cache-line-size = <64>; + d-cache-sets = <128>; next-level-cache = <&l2_0>; capacity-dmips-mhz = <530>; }; @@ -96,6 +114,12 @@ enable-method = "psci"; clock-frequency = <1701000000>; cpu-idle-states = <&cpu_sleep_l &cluster_sleep_l>; + i-cache-size = <32768>; + i-cache-line-size = <64>; + i-cache-sets = <128>; + d-cache-size = <32768>; + d-cache-line-size = <64>; + d-cache-sets = <128>; next-level-cache = <&l2_0>; capacity-dmips-mhz = <530>; }; @@ -107,6 +131,12 @@ enable-method = "psci"; clock-frequency = <2171000000>; cpu-idle-states = <&cpu_sleep_b &cluster_sleep_b>; + i-cache-size = <65536>; + i-cache-line-size = <64>; + i-cache-sets = <256>; + d-cache-size = <65536>; + d-cache-line-size = <64>; + d-cache-sets = <256>; next-level-cache = <&l2_1>; capacity-dmips-mhz = <1024>; }; @@ -118,6 +148,12 @@ enable-method = "psci"; clock-frequency = <2171000000>; cpu-idle-states = <&cpu_sleep_b &cluster_sleep_b>; + i-cache-size = <65536>; + i-cache-line-size = <64>; + i-cache-sets = <256>; + d-cache-size = <65536>; + d-cache-line-size = <64>; + d-cache-sets = <256>; next-level-cache = <&l2_1>; capacity-dmips-mhz = <1024>; }; @@ -129,6 +165,12 @@ enable-method = "psci"; clock-frequency = <2171000000>; cpu-idle-states = <&cpu_sleep_b &cluster_sleep_b>; + i-cache-size = <65536>; + i-cache-line-size = <64>; + i-cache-sets = <256>; + d-cache-size = <65536>; + d-cache-line-size = <64>; + d-cache-sets = <256>; next-level-cache = <&l2_1>; capacity-dmips-mhz = <1024>; }; @@ -140,6 +182,12 @@ enable-method = "psci"; clock-frequency = <2171000000>; cpu-idle-states = <&cpu_sleep_b &cluster_sleep_b>; + i-cache-size = <65536>; + i-cache-line-size = <64>; + i-cache-sets = <256>; + d-cache-size = <65536>; + d-cache-line-size = <64>; + d-cache-sets = <256>; next-level-cache = <&l2_1>; capacity-dmips-mhz = <1024>; }; @@ -179,18 +227,28 @@ l2_0: l2-cache0 { compatible = "cache"; cache-level = <2>; + cache-size = <131072>; + cache-line-size = <64>; + cache-sets = <512>; next-level-cache = <&l3_0>; }; l2_1: l2-cache1 { compatible = "cache"; cache-level = <2>; + cache-size = <262144>; + cache-line-size = <64>; + cache-sets = <512>; next-level-cache = <&l3_0>; }; l3_0: l3-cache { compatible = "cache"; cache-level = <3>; + cache-size = <2097152>; + cache-line-size = <64>; + cache-sets = <2048>; + cache-unified; }; idle-states { -- 2.30.2