[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>

2 files changed, 37 insertions, 5 deletions

diff --git a/arch/powerpc/boot/dts/ebony.dts b/arch/powerpc/boot/dts/ebony.dts
index bc259972aaa0..331c424e97ea 100644
--- a/arch/powerpc/boot/dts/ebony.dts
+++ b/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
+                        >;
                 };
         };
 
diff --git a/arch/powerpc/platforms/44x/Kconfig b/arch/powerpc/platforms/44x/Kconfig
index 905d83621453..f65fa10ef427 100644
--- a/arch/powerpc/platforms/44x/Kconfig
+++ b/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.