[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>

diff --git a/arch/powerpc/boot/dts/bamboo.dts b/arch/powerpc/boot/dts/bamboo.dts
index cb2fb50..e479f07 100644 (file)
--- 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";
        };
 };

diff --git a/arch/powerpc/platforms/44x/Kconfig b/arch/powerpc/platforms/44x/Kconfig
index 1bf0424..f9f65f9 100644 (file)
--- a/arch/powerpc/platforms/44x/Kconfig
+++ b/arch/powerpc/platforms/44x/Kconfig
@@ -3,6 +3,7 @@ config BAMBOO
        depends on 44x
        default n
        select 440EP
+       select PCI
        help
          This option enables support for the IBM PPC440EP evaluation board.