[PATCH 8/9] powerpc: dts: p2020: Define L2 cache node

Pali Rohár pali at kernel.org
Fri Apr 8 14:39:57 CEST 2022


Copy definition of L2 cache node from upstream Linux kernel P2020 dts files.

Signed-off-by: Pali Rohár <pali at kernel.org>
---
 arch/powerpc/dts/p2020-post.dtsi | 8 ++++++++
 arch/powerpc/dts/p2020.dtsi      | 2 ++
 2 files changed, 10 insertions(+)

diff --git a/arch/powerpc/dts/p2020-post.dtsi b/arch/powerpc/dts/p2020-post.dtsi
index 0a296cffe56f..1c3f78798eff 100644
--- a/arch/powerpc/dts/p2020-post.dtsi
+++ b/arch/powerpc/dts/p2020-post.dtsi
@@ -56,6 +56,14 @@
 /include/ "pq3-duart-0.dtsi"
 /include/ "pq3-gpio-0.dtsi"
 
+	L2: l2-cache-controller at 20000 {
+		compatible = "fsl,p2020-l2-cache-controller";
+		reg = <0x20000 0x1000>;
+		cache-line-size = <32>; /* 32 bytes */
+		cache-size = <0x80000>; /* L2,512K */
+		interrupts = <16 2 0 0>;
+	};
+
 /include/ "pq3-etsec1-0.dtsi"
 /include/ "pq3-etsec1-timer-0.dtsi"
 
diff --git a/arch/powerpc/dts/p2020.dtsi b/arch/powerpc/dts/p2020.dtsi
index 7c4c2061d4c3..7fdcb85c8094 100644
--- a/arch/powerpc/dts/p2020.dtsi
+++ b/arch/powerpc/dts/p2020.dtsi
@@ -22,10 +22,12 @@
 		cpu0: PowerPC,P2020 at 0 {
 			device_type = "cpu";
 			reg = <0>;
+			next-level-cache = <&L2>;
 		};
 		cpu1: PowerPC,P2020 at 1 {
 			device_type = "cpu";
 			reg = <1>;
+			next-level-cache = <&L2>;
 		};
 	};
 };
-- 
2.20.1



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