Thread (12 messages) 12 messages, 3 authors, 2014-11-18
STALE4224d
Revisions (6)
  1. v5 [diff vs current]
  2. v6 [diff vs current]
  3. v7 [diff vs current]
  4. v8 current
  5. v9 [diff vs current]
  6. v10 [diff vs current]

[PATCH v8 7/7] ARM: dts: exynos4: Add nodes for L2 cache controller

From: m.szyprowski@samsung.com (Marek Szyprowski)
Date: 2014-11-13 13:19:15
Also in: linux-omap, linux-samsung-soc, lkml
Subsystem: the rest · Maintainer: Linus Torvalds

From: Tomasz Figa <redacted>

This patch adds device tree nodes for L2 cache controller present on
Exynos4 SoCs.

Signed-off-by: Tomasz Figa <redacted>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
---
 arch/arm/boot/dts/exynos4210.dtsi |  9 +++++++++
 arch/arm/boot/dts/exynos4x12.dtsi | 14 ++++++++++++++
 2 files changed, 23 insertions(+)
diff --git a/arch/arm/boot/dts/exynos4210.dtsi b/arch/arm/boot/dts/exynos4210.dtsi
index bcc9e63c8070..8e45ea44317e 100644
--- a/arch/arm/boot/dts/exynos4210.dtsi
+++ b/arch/arm/boot/dts/exynos4210.dtsi
@@ -81,6 +81,15 @@
 		reg = <0x10023CA0 0x20>;
 	};
 
+	l2c: l2-cache-controller at 10502000 {
+		compatible = "arm,pl310-cache";
+		reg = <0x10502000 0x1000>;
+		cache-unified;
+		cache-level = <2>;
+		arm,tag-latency = <2 2 1>;
+		arm,data-latency = <2 2 1>;
+	};
+
 	gic: interrupt-controller at 10490000 {
 		cpu-offset = <0x8000>;
 	};
diff --git a/arch/arm/boot/dts/exynos4x12.dtsi b/arch/arm/boot/dts/exynos4x12.dtsi
index 861bb919f6d3..c7adfd60ad3a 100644
--- a/arch/arm/boot/dts/exynos4x12.dtsi
+++ b/arch/arm/boot/dts/exynos4x12.dtsi
@@ -54,6 +54,20 @@
 		reg = <0x10023CA0 0x20>;
 	};
 
+	l2c: l2-cache-controller at 10502000 {
+		compatible = "arm,pl310-cache";
+		reg = <0x10502000 0x1000>;
+		cache-unified;
+		cache-level = <2>;
+		arm,tag-latency = <2 2 1>;
+		arm,data-latency = <3 2 1>;
+		arm,double-linefill = <1>;
+		arm,double-linefill-incr = <0>;
+		arm,double-linefill-wrap = <1>;
+		arm,prefetch-drop = <1>;
+		arm,prefetch-offset = <7>;
+	};
+
 	clock: clock-controller at 10030000 {
 		compatible = "samsung,exynos4412-clock";
 		reg = <0x10030000 0x20000>;
-- 
1.9.2
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