Thread (25 messages) 25 messages, 3 authors, 2019-08-27
STALE2502d
Revisions (2)
  1. v1 current
  2. v2 [diff vs current]

[PATCH 08/20] arm64: dts: marvell: Add AP806-dual cache description

From: Miquel Raynal <miquel.raynal@bootlin.com>
Date: 2019-08-06 14:54:48
Also in: linux-arm-kernel
Subsystem: arm/marvell kirkwood and armada 370, 375, 38x, 39x, xp, 3700, 7k/8k, cn9130 soc support, the rest · Maintainers: Andrew Lunn, Gregory Clement, Sebastian Hesselbarth, Linus Torvalds

From: Grzegorz Jaszczyk <redacted>

Adding appropriate entries to device-tree allows the cache description
to show up in sysfs under: /sys/devices/system/cpu/cpuX/cache/.

Signed-off-by: Grzegorz Jaszczyk <redacted>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
---
 .../boot/dts/marvell/armada-ap806-dual.dtsi   | 21 +++++++++++++++++++
 1 file changed, 21 insertions(+)
diff --git a/arch/arm64/boot/dts/marvell/armada-ap806-dual.dtsi b/arch/arm64/boot/dts/marvell/armada-ap806-dual.dtsi
index 62ae016ee6aa..09849558a776 100644
--- a/arch/arm64/boot/dts/marvell/armada-ap806-dual.dtsi
+++ b/arch/arm64/boot/dts/marvell/armada-ap806-dual.dtsi
@@ -22,6 +22,13 @@
 			enable-method = "psci";
 			#cooling-cells = <2>;
 			clocks = <&cpu_clk 0>;
+			i-cache-size = <0xc000>;
+			i-cache-line-size = <64>;
+			i-cache-sets = <256>;
+			d-cache-size = <0x8000>;
+			d-cache-line-size = <64>;
+			d-cache-sets = <256>;
+			next-level-cache = <&l2>;
 		};
 		cpu1: cpu@1 {
 			device_type = "cpu";
@@ -30,6 +37,20 @@
 			enable-method = "psci";
 			#cooling-cells = <2>;
 			clocks = <&cpu_clk 0>;
+			i-cache-size = <0xc000>;
+			i-cache-line-size = <64>;
+			i-cache-sets = <256>;
+			d-cache-size = <0x8000>;
+			d-cache-line-size = <64>;
+			d-cache-sets = <256>;
+			next-level-cache = <&l2>;
+		};
+
+		l2: l2-cache {
+			compatible = "cache";
+			cache-size = <0x80000>;
+			cache-line-size = <64>;
+			cache-sets = <512>;
 		};
 	};
 };
-- 
2.20.1
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