[POWERPC] 4xx: Wire up PCI on Bamboo board

This adds the device-tree bits & call to ppc4xx_pci_find_bridges()
to make PCI work on the Bamboo board

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

1 files changed, 39 insertions, 1 deletions

diff --git a/arch/powerpc/boot/dts/bamboo.dts b/arch/powerpc/boot/dts/bamboo.dts
index cb2fb50a281c..e479f0789865 100644
--- a/arch/powerpc/boot/dts/bamboo.dts
+++ b/arch/powerpc/boot/dts/bamboo.dts
@@ -239,10 +239,48 @@
                                 zmii-channel = <1>;
                         };
                 };
+
+                PCI0: pci@ec000000 {
+                        device_type = "pci";
+                        #interrupt-cells = <1>;
+                        #size-cells = <2>;
+                        #address-cells = <3>;
+                        compatible = "ibm,plb440ep-pci", "ibm,plb-pci";
+                        primary;
+                        reg = <0 eec00000 8     /* Config space access */
+                               0 eed00000 4     /* IACK */
+                               0 eed00000 4     /* Special cycle */
+                               0 ef400000 40>;  /* Internal registers */
+
+                        /* Outbound ranges, one memory and one IO,
+                         * later cannot be changed. Chip supports a second
+                         * IO range but we don't use it for now
+                         */
+                        ranges = <02000000 0 a0000000 0 a0000000 0 20000000
+                                  01000000 0 00000000 0 e8000000 0 00010000>;
+
+                        /* Inbound 2GB range starting at 0 */
+                        dma-ranges = <42000000 0 0 0 0 0 80000000>;
+
+                        /* Bamboo 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 1c 8
+
+                                /* IDSEL 2 */
+                                1000 0 0 0 &UIC0 1b 8
+
+                                /* IDSEL 3 */
+                                1800 0 0 0 &UIC0 1a 8
+
+                                /* IDSEL 4 */
+                                2000 0 0 0 &UIC0 19 8
+                        >;
+                };
         };
 
         chosen {
                 linux,stdout-path = "/plb/opb/serial@ef600300";
-                bootargs = "console=ttyS0,115200";
         };
 };