* [PATCH 01/20] arm64: dts: Update cache properties for amd
@ 2022-10-31 9:19 Pierre Gondois
0 siblings, 0 replies; only message in thread
From: Pierre Gondois @ 2022-10-31 9:19 UTC (permalink / raw)
To: linux-kernel
Cc: pierre.gondois, Rob.Herring, Brijesh Singh,
Suravee Suthikulpanit, Tom Lendacky, Rob Herring,
Krzysztof Kozlowski, devicetree
The DeviceTree Specification v0.3 specifies that the cache node
'compatible' and 'cache-level' properties are 'required'. Cf.
s3.8 Multi-level and Shared Cache Nodes
The recently added init_of_cache_level() function checks
these properties. Add them if missing.
Signed-off-by: Pierre Gondois <pierre.gondois@arm.com>
---
arch/arm64/boot/dts/amd/amd-seattle-cpus.dtsi | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/arch/arm64/boot/dts/amd/amd-seattle-cpus.dtsi b/arch/arm64/boot/dts/amd/amd-seattle-cpus.dtsi
index 93688a0b6820..9f2d983e082d 100644
--- a/arch/arm64/boot/dts/amd/amd-seattle-cpus.dtsi
+++ b/arch/arm64/boot/dts/amd/amd-seattle-cpus.dtsi
@@ -163,38 +163,47 @@ CPU7: cpu@301 {
};
L2_0: l2-cache0 {
+ compatible = "cache";
cache-size = <0x100000>;
cache-line-size = <64>;
cache-sets = <1024>;
cache-unified;
+ cache-level = <2>;
next-level-cache = <&L3>;
};
L2_1: l2-cache1 {
+ compatible = "cache";
cache-size = <0x100000>;
cache-line-size = <64>;
cache-sets = <1024>;
cache-unified;
+ cache-level = <2>;
next-level-cache = <&L3>;
};
L2_2: l2-cache2 {
+ compatible = "cache";
cache-size = <0x100000>;
cache-line-size = <64>;
cache-sets = <1024>;
cache-unified;
+ cache-level = <2>;
next-level-cache = <&L3>;
};
L2_3: l2-cache3 {
+ compatible = "cache";
cache-size = <0x100000>;
cache-line-size = <64>;
cache-sets = <1024>;
cache-unified;
+ cache-level = <2>;
next-level-cache = <&L3>;
};
L3: l3-cache {
+ compatible = "cache";
cache-level = <3>;
cache-size = <0x800000>;
cache-line-size = <64>;
--
2.25.1
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