From: Tomasz Figa <t.figa@xxxxxxxxxxx>
This patch adds device tree nodes for L2 cache controller present on
Exynos4 SoCs.
Signed-off-by: Tomasz Figa <t.figa@xxxxxxxxxxx>
Signed-off-by: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>
---
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 b31315fc0afa..3b8e094144e6 100644
--- a/arch/arm/boot/dts/exynos4210.dtsi
+++ b/arch/arm/boot/dts/exynos4210.dtsi
@@ -64,6 +64,15 @@
reg = <0x10023CA0 0x20>;
};
+ l2c: l2-cache-controller@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@10490000 {
cpu-offset = <0x8000>;
};
diff --git a/arch/arm/boot/dts/exynos4x12.dtsi b/arch/arm/boot/dts/exynos4x12.dtsi
index 771412e7c06c..6ee773921559 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@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@10030000 {
compatible = "samsung,exynos4412-clock";
reg = <0x10030000 0x20000>;
--
1.9.2
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