[POWERPC] 85xx: Add device nodes for error reporting devices used by EDAC

Adding memory-controller and l2-cache-controller entries to be used by EDAC
as of_devices for MPC8541 CDS, MPC8544 DS, MPC8555 CDS, and MPC8568 MDS.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

arch/powerpc/boot/dts/mpc8541cds.dts

@@ -48,6 +48,22 @@ soc8541@e0000000 {
 		reg = <e0000000 00100000>;	// CCSRBAR 1M
 		bus-frequency = <0>;
 
+		memory-controller@2000 {
+			compatible = "fsl,8541-memory-controller";
+			reg = <2000 1000>;
+			interrupt-parent = <&mpic>;
+			interrupts = <2 2>;
+		};
+
+		l2-cache-controller@20000 {
+			compatible = "fsl,8541-l2-cache-controller";
+			reg = <20000 1000>;
+			cache-line-size = <20>;	// 32 bytes
+			cache-size = <40000>;	// L2, 256K
+			interrupt-parent = <&mpic>;
+			interrupts = <0 2>;
+		};
+
 		i2c@3000 {
 			device_type = "i2c";
 			compatible = "fsl-i2c";

arch/powerpc/boot/dts/mpc8544ds.dts

@@ -48,6 +48,22 @@ soc8544@e0000000 {
 		reg = <e0000000 00100000>;	// CCSRBAR 1M
 		bus-frequency = <0>;		// Filled out by uboot.
 
+		memory-controller@2000 {
+			compatible = "fsl,8544-memory-controller";
+			reg = <2000 1000>;
+			interrupt-parent = <&mpic>;
+			interrupts = <2 2>;
+		};
+
+		l2-cache-controller@20000 {
+			compatible = "fsl,8544-l2-cache-controller";
+			reg = <20000 1000>;
+			cache-line-size = <20>;	// 32 bytes
+			cache-size = <40000>;	// L2, 256K
+			interrupt-parent = <&mpic>;
+			interrupts = <0 2>;
+		};
+
 		i2c@3000 {
 			device_type = "i2c";
 			compatible = "fsl-i2c";

arch/powerpc/boot/dts/mpc8555cds.dts

@@ -48,6 +48,22 @@ soc8555@e0000000 {
 		reg = <e0000000 00100000>;	// CCSRBAR 1M
 		bus-frequency = <0>;
 
+		memory-controller@2000 {
+			compatible = "fsl,8555-memory-controller";
+			reg = <2000 1000>;
+			interrupt-parent = <&mpic>;
+			interrupts = <2 2>;
+		};
+
+		l2-cache-controller@20000 {
+			compatible = "fsl,8555-l2-cache-controller";
+			reg = <20000 1000>;
+			cache-line-size = <20>;	// 32 bytes
+			cache-size = <40000>;	// L2, 256K
+			interrupt-parent = <&mpic>;
+			interrupts = <0 2>;
+		};
+
 		i2c@3000 {
 			device_type = "i2c";
 			compatible = "fsl-i2c";

arch/powerpc/boot/dts/mpc8568mds.dts

@@ -57,6 +57,22 @@ soc8568@e0000000 {
 		reg = <e0000000 00100000>;
 		bus-frequency = <0>;
 
+		memory-controller@2000 {
+			compatible = "fsl,8568-memory-controller";
+			reg = <2000 1000>;
+			interrupt-parent = <&mpic>;
+			interrupts = <2 2>;
+		};
+
+		l2-cache-controller@20000 {
+			compatible = "fsl,8568-l2-cache-controller";
+			reg = <20000 1000>;
+			cache-line-size = <20>;	// 32 bytes
+			cache-size = <80000>;	// L2, 512K
+			interrupt-parent = <&mpic>;
+			interrupts = <0 2>;
+		};
+
 		i2c@3000 {
 			device_type = "i2c";
 			compatible = "fsl-i2c";