[POWERPC] 85xx: Add next-level-cache property

Added next-level-cache to the L1 and a reference to the new L2 label.
This is per the ePAPR 0.94 spec.  Since we are't really dependent on this
today we aren't supporting the "legacy" l2-cache phandle that is specified
in the PPC v2.1 OF Binding spec.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

arch/powerpc/boot/dts/ksi8560.dts

@@ -40,6 +40,7 @@ PowerPC,8560@0 {
 			timebase-frequency = <0>;		/* From U-boot */
 			bus-frequency = <0>;			/* From U-boot */
 			clock-frequency = <0>;			/* From U-boot */
+			next-level-cache = <&L2>;
 		};
 	};
 
@@ -62,7 +63,7 @@ memory-controller@2000 {
 			interrupts = <0x12 0x2>;
 		};
 
-		l2-cache-controller@20000 {
+		L2: l2-cache-controller@20000 {
 			compatible = "fsl,8540-l2-cache-controller";
 			reg = <0x20000 0x1000>;
 			cache-line-size = <0x20>;		/* 32 bytes */

arch/powerpc/boot/dts/mpc8540ads.dts

@@ -40,6 +40,7 @@ PowerPC,8540@0 {
 			timebase-frequency = <0>;	//  33 MHz, from uboot
 			bus-frequency = <0>;	// 166 MHz
 			clock-frequency = <0>;	// 825 MHz, from uboot
+			next-level-cache = <&L2>;
 		};
 	};
 
@@ -63,7 +64,7 @@ memory-controller@2000 {
 			interrupts = <18 2>;
 		};
 
-		l2-cache-controller@20000 {
+		L2: l2-cache-controller@20000 {
 			compatible = "fsl,8540-l2-cache-controller";
 			reg = <0x20000 0x1000>;
 			cache-line-size = <32>;	// 32 bytes

arch/powerpc/boot/dts/mpc8541cds.dts

@@ -40,6 +40,7 @@ PowerPC,8541@0 {
 			timebase-frequency = <0>;	//  33 MHz, from uboot
 			bus-frequency = <0>;	// 166 MHz
 			clock-frequency = <0>;	// 825 MHz, from uboot
+			next-level-cache = <&L2>;
 		};
 	};
 
@@ -63,7 +64,7 @@ memory-controller@2000 {
 			interrupts = <18 2>;
 		};
 
-		l2-cache-controller@20000 {
+		L2: l2-cache-controller@20000 {
 			compatible = "fsl,8541-l2-cache-controller";
 			reg = <0x20000 0x1000>;
 			cache-line-size = <32>;	// 32 bytes

arch/powerpc/boot/dts/mpc8544ds.dts

@@ -41,6 +41,7 @@ PowerPC,8544@0 {
 			timebase-frequency = <0>;
 			bus-frequency = <0>;
 			clock-frequency = <0>;
+			next-level-cache = <&L2>;
 		};
 	};
 
@@ -65,7 +66,7 @@ memory-controller@2000 {
 			interrupts = <18 2>;
 		};
 
-		l2-cache-controller@20000 {
+		L2: l2-cache-controller@20000 {
 			compatible = "fsl,8544-l2-cache-controller";
 			reg = <0x20000 0x1000>;
 			cache-line-size = <32>;	// 32 bytes

arch/powerpc/boot/dts/mpc8548cds.dts

@@ -45,6 +45,7 @@ PowerPC,8548@0 {
 			timebase-frequency = <0>;	//  33 MHz, from uboot
 			bus-frequency = <0>;	// 166 MHz
 			clock-frequency = <0>;	// 825 MHz, from uboot
+			next-level-cache = <&L2>;
 		};
 	};
 
@@ -68,7 +69,7 @@ memory-controller@2000 {
 			interrupts = <18 2>;
 		};
 
-		l2-cache-controller@20000 {
+		L2: l2-cache-controller@20000 {
 			compatible = "fsl,8548-l2-cache-controller";
 			reg = <0x20000 0x1000>;
 			cache-line-size = <32>;	// 32 bytes

arch/powerpc/boot/dts/mpc8555cds.dts

@@ -40,6 +40,7 @@ PowerPC,8555@0 {
 			timebase-frequency = <0>;	//  33 MHz, from uboot
 			bus-frequency = <0>;	// 166 MHz
 			clock-frequency = <0>;	// 825 MHz, from uboot
+			next-level-cache = <&L2>;
 		};
 	};
 
@@ -63,7 +64,7 @@ memory-controller@2000 {
 			interrupts = <18 2>;
 		};
 
-		l2-cache-controller@20000 {
+		L2: l2-cache-controller@20000 {
 			compatible = "fsl,8555-l2-cache-controller";
 			reg = <0x20000 0x1000>;
 			cache-line-size = <32>;	// 32 bytes

arch/powerpc/boot/dts/mpc8560ads.dts

@@ -64,7 +64,7 @@ memory-controller@2000 {
 			interrupts = <18 2>;
 		};
 
-		l2-cache-controller@20000 {
+		L2: l2-cache-controller@20000 {
 			compatible = "fsl,8540-l2-cache-controller";
 			reg = <0x20000 0x1000>;
 			cache-line-size = <32>;	// 32 bytes

arch/powerpc/boot/dts/mpc8568mds.dts

@@ -42,6 +42,7 @@ PowerPC,8568@0 {
 			timebase-frequency = <0>;
 			bus-frequency = <0>;
 			clock-frequency = <0>;
+			next-level-cache = <&L2>;
 		};
 	};
 
@@ -70,7 +71,7 @@ memory-controller@2000 {
 			interrupts = <18 2>;
 		};
 
-		l2-cache-controller@20000 {
+		L2: l2-cache-controller@20000 {
 			compatible = "fsl,8568-l2-cache-controller";
 			reg = <0x20000 0x1000>;
 			cache-line-size = <32>;	// 32 bytes

arch/powerpc/boot/dts/mpc8572ds.dts

@@ -42,6 +42,7 @@ PowerPC,8572@0 {
 			timebase-frequency = <0>;
 			bus-frequency = <0>;
 			clock-frequency = <0>;
+			next-level-cache = <&L2>;
 		};
 
 		PowerPC,8572@1 {
@@ -54,6 +55,7 @@ PowerPC,8572@1 {
 			timebase-frequency = <0>;
 			bus-frequency = <0>;
 			clock-frequency = <0>;
+			next-level-cache = <&L2>;
 		};
 	};
 
@@ -84,7 +86,7 @@ memory-controller@6000 {
 			interrupts = <18 2>;
 		};
 
-		l2-cache-controller@20000 {
+		L2: l2-cache-controller@20000 {
 			compatible = "fsl,mpc8572-l2-cache-controller";
 			reg = <0x20000 0x1000>;
 			cache-line-size = <32>;	// 32 bytes

arch/powerpc/boot/dts/sbc8548.dts

@@ -44,6 +44,7 @@ PowerPC,8548@0 {
 			timebase-frequency = <0>;	// From uboot
 			bus-frequency = <0>;
 			clock-frequency = <0>;
+			next-level-cache = <&L2>;
 		};
 	};
 
@@ -161,7 +162,7 @@ memory-controller@2000 {
 			interrupts = <0x12 0x2>;
 		};
 
-		l2-cache-controller@20000 {
+		L2: l2-cache-controller@20000 {
 			compatible = "fsl,8548-l2-cache-controller";
 			reg = <0x20000 0x1000>;
 			cache-line-size = <0x20>;	// 32 bytes

arch/powerpc/boot/dts/sbc8560.dts

@@ -43,6 +43,7 @@ PowerPC,8560@0 {
 			timebase-frequency = <0>;	// From uboot
 			bus-frequency = <0>;
 			clock-frequency = <0>;
+			next-level-cache = <&L2>;
 		};
 	};
 
@@ -66,7 +67,7 @@ memory-controller@2000 {
 			interrupts = <0x12 0x2>;
 		};
 
-		l2-cache-controller@20000 {
+		L2: l2-cache-controller@20000 {
 			compatible = "fsl,8560-l2-cache-controller";
 			reg = <0x20000 0x1000>;
 			cache-line-size = <0x20>;	// 32 bytes

arch/powerpc/boot/dts/stx_gp3_8560.dts

@@ -38,6 +38,7 @@ PowerPC,8560@0 {
 			timebase-frequency = <0>;
 			bus-frequency = <0>;
 			clock-frequency = <0>;
+			next-level-cache = <&L2>;
 		};
 	};
 
@@ -62,7 +63,7 @@ memory-controller@2000 {
 			interrupts = <18 2>;
 		};
 
-		l2-cache-controller@20000 {
+		L2: l2-cache-controller@20000 {
 			compatible = "fsl,8540-l2-cache-controller";
 			reg = <0x20000 0x1000>;
 			cache-line-size = <32>;

arch/powerpc/boot/dts/tqm8540.dts

@@ -40,6 +40,7 @@ PowerPC,8540@0 {
 			timebase-frequency = <0>;
 			bus-frequency = <0>;
 			clock-frequency = <0>;
+			next-level-cache = <&L2>;
 		};
 	};
 
@@ -64,7 +65,7 @@ memory-controller@2000 {
 			interrupts = <18 2>;
 		};
 
-		l2-cache-controller@20000 {
+		L2: l2-cache-controller@20000 {
 			compatible = "fsl,8540-l2-cache-controller";
 			reg = <0x20000 0x1000>;
 			cache-line-size = <32>;

arch/powerpc/boot/dts/tqm8541.dts

@@ -39,6 +39,7 @@ PowerPC,8541@0 {
 			timebase-frequency = <0>;
 			bus-frequency = <0>;
 			clock-frequency = <0>;
+			next-level-cache = <&L2>;
 		};
 	};
 
@@ -63,7 +64,7 @@ memory-controller@2000 {
 			interrupts = <18 2>;
 		};
 
-		l2-cache-controller@20000 {
+		L2: l2-cache-controller@20000 {
 			compatible = "fsl,8540-l2-cache-controller";
 			reg = <0x20000 0x1000>;
 			cache-line-size = <32>;

arch/powerpc/boot/dts/tqm8555.dts

@@ -39,6 +39,7 @@ PowerPC,8555@0 {
 			timebase-frequency = <0>;
 			bus-frequency = <0>;
 			clock-frequency = <0>;
+			next-level-cache = <&L2>;
 		};
 	};
 
@@ -63,7 +64,7 @@ memory-controller@2000 {
 			interrupts = <18 2>;
 		};
 
-		l2-cache-controller@20000 {
+		L2: l2-cache-controller@20000 {
 			compatible = "fsl,8540-l2-cache-controller";
 			reg = <0x20000 0x1000>;
 			cache-line-size = <32>;

arch/powerpc/boot/dts/tqm8560.dts

@@ -40,6 +40,7 @@ PowerPC,8560@0 {
 			timebase-frequency = <0>;
 			bus-frequency = <0>;
 			clock-frequency = <0>;
+			next-level-cache = <&L2>;
 		};
 	};
 
@@ -64,7 +65,7 @@ memory-controller@2000 {
 			interrupts = <18 2>;
 		};
 
-		l2-cache-controller@20000 {
+		L2: l2-cache-controller@20000 {
 			compatible = "fsl,8540-l2-cache-controller";
 			reg = <0x20000 0x1000>;
 			cache-line-size = <32>;