powerpc/86xx: Basic flash support for GE SBC610

Support for the SBC610 VPX Single Board Computer from GE (PowerPC MPC8641D).

This patch adds basic support for the on-board flash.

Signed-off-by: Martyn Welch <martyn.welch@gefanuc.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
diff --git a/arch/powerpc/boot/dts/gef_sbc610.dts b/arch/powerpc/boot/dts/gef_sbc610.dts
index 78c336f0..bb70600 100644
--- a/arch/powerpc/boot/dts/gef_sbc610.dts
+++ b/arch/powerpc/boot/dts/gef_sbc610.dts
@@ -75,14 +75,48 @@
 		interrupts = <19 2>;
 		interrupt-parent = <&mpic>;
 
-		ranges = <0 0 0xff000000 0x01000000     // 16MB Boot flash
-			  1 0 0xe8000000 0x08000000     // Paged Flash 0
-			  2 0 0xe0000000 0x08000000     // Paged Flash 1
-			  3 0 0xfc100000 0x00020000     // NVRAM
-			  4 0 0xfc000000 0x00008000     // FPGA
-			  5 0 0xfc008000 0x00008000     // AFIX FPGA
-			  6 0 0xfd000000 0x00800000     // IO FPGA (8-bit)
-			  7 0 0xfd800000 0x00800000>;   // IO FPGA (32-bit)
+		ranges = <0 0 0xff000000 0x01000000	// 16MB Boot flash
+			  1 0 0xe8000000 0x08000000	// Paged Flash 0
+			  2 0 0xe0000000 0x08000000	// Paged Flash 1
+			  3 0 0xfc100000 0x00020000	// NVRAM
+			  4 0 0xfc000000 0x00008000	// FPGA
+			  5 0 0xfc008000 0x00008000	// AFIX FPGA
+			  6 0 0xfd000000 0x00800000	// IO FPGA (8-bit)
+			  7 0 0xfd800000 0x00800000>;	// IO FPGA (32-bit)
+
+		/* flash@0,0 is a mirror of part of the memory in flash@1,0
+		flash@0,0 {
+			compatible = "gef,sbc610-firmware-mirror", "cfi-flash";
+			reg = <0x0 0x0 0x1000000>;
+			bank-width = <4>;
+			device-width = <2>;
+			#address-cells = <1>;
+			#size-cells = <1>;
+			partition@0 {
+				label = "firmware";
+				reg = <0x0 0x1000000>;
+				read-only;
+			};
+		};
+		*/
+
+		flash@1,0 {
+			compatible = "gef,sbc610-paged-flash", "cfi-flash";
+			reg = <0x1 0x0 0x8000000>;
+			bank-width = <4>;
+			device-width = <2>;
+			#address-cells = <1>;
+			#size-cells = <1>;
+			partition@0 {
+				label = "user";
+				reg = <0x0 0x7800000>;
+			};
+			partition@7800000 {
+				label = "firmware";
+				reg = <0x7800000 0x800000>;
+				read-only;
+			};
+		};
 
 		nvram@3,0 {
 			device_type = "nvram";