[PATCH v4 3/3] ARM: dts: r7s72100: add l2 cache

[Chris Brandt]

Note that early-bresp-disable and full-line-zero-disable are required
because the sideband signals between the CPU and L2C were not connected
in this SoC.

Signed-off-by: Chris Brandt <chris.brandt at renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas at glider.be>
---
v3:
* split "arm,pl310-no-sideband" into "arm,early-bresp-disable" and
  "arm,full-line-zero-disable"
v2:
* added "arm,pl310-no-sideband"
---
 arch/arm/boot/dts/r7s72100.dtsi | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/arch/arm/boot/dts/r7s72100.dtsi b/arch/arm/boot/dts/r7s72100.dtsi
index 614ba79..ed62e19 100644
--- a/arch/arm/boot/dts/r7s72100.dtsi
+++ b/arch/arm/boot/dts/r7s72100.dtsi
@@ -180,6 +180,7 @@
 			compatible = "arm,cortex-a9";
 			reg = <0>;
 			clock-frequency = <400000000>;
+			next-level-cache = <&L2>;
 		};
 	};
 
@@ -371,6 +372,16 @@
 			<0xe8202000 0x1000>;
 	};
 
+	L2: cache-controller at 3ffff000 {
+		compatible = "arm,pl310-cache";
+		reg = <0x3ffff000 0x1000>;
+		interrupts = <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>;
+		arm,early-bresp-disable;
+		arm,full-line-zero-disable;
+		cache-unified;
+		cache-level = <2>;
+	};
+
 	i2c0: i2c at fcfee000 {
 		#address-cells = <1>;
 		#size-cells = <0>;
-- 
2.10.1