[POWERPC] 4xx: PCI support for Ebony board

This wires up the 4xx PCI support & device tree bits for
440GP based Ebony platform.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>

arch/powerpc/boot/dts/ebony.dts

@@ -284,12 +284,43 @@
 
 		};
 
-		PCIX0: pci@1234 {
+		PCIX0: pci@20ec00000 {
 			device_type = "pci";
-			/* FIXME */
-			reg = <2 0ec00000 8
-			       2 0ec80000 f0
-			       2 0ec80100 fc>;
+			#interrupt-cells = <1>;
+			#size-cells = <2>;
+			#address-cells = <3>;
+			compatible = "ibm,plb440gp-pcix", "ibm,plb-pcix";
+			primary;
+			reg = <2 0ec00000 8	/* Config space access */
+			       0 0 0		/* no IACK cycles */
+			       2 0ed00000 4     /* Special cycles */
+			       2 0ec80000 f0	/* Internal registers */
+			       2 0ec80100 fc>;	/* Internal messaging registers */
+
+			/* Outbound ranges, one memory and one IO,
+			 * later cannot be changed
+			 */
+			ranges = <02000000 0 80000000 00000003 80000000 0 80000000
+				  01000000 0 00000000 00000002 08000000 0 00010000>;
+
+			/* Inbound 2GB range starting at 0 */
+			dma-ranges = <42000000 0 0 0 0 0 80000000>;
+
+			/* Ebony has all 4 IRQ pins tied together per slot */
+			interrupt-map-mask = <f800 0 0 0>;
+			interrupt-map = <
+				/* IDSEL 1 */
+				0800 0 0 0 &UIC0 17 8
+
+				/* IDSEL 2 */
+				1000 0 0 0 &UIC0 18 8
+
+				/* IDSEL 3 */
+				1800 0 0 0 &UIC0 19 8
+
+				/* IDSEL 4 */
+				2000 0 0 0 &UIC0 1a 8
+			>;
 		};
 	};
 

arch/powerpc/platforms/44x/Kconfig

@@ -11,6 +11,7 @@ config EBONY
 	depends on 44x
 	default y
 	select 440GP
+	select PCI
 	help
 	  This option enables support for the IBM PPC440GP evaluation board.