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-rw-r--r--arch/powerpc/boot/dts/walnut.dts39
-rw-r--r--arch/powerpc/platforms/40x/Kconfig1
2 files changed, 40 insertions, 0 deletions
diff --git a/arch/powerpc/boot/dts/walnut.dts b/arch/powerpc/boot/dts/walnut.dts
index 754fa3960f83..681633ec954f 100644
--- a/arch/powerpc/boot/dts/walnut.dts
+++ b/arch/powerpc/boot/dts/walnut.dts
@@ -190,6 +190,45 @@
virtual-reg = <f0300005>;
};
};
+
+ PCI0: pci@ec000000 {
+ device_type = "pci";
+ #interrupt-cells = <1>;
+ #size-cells = <2>;
+ #address-cells = <3>;
+ compatible = "ibm,plb405gp-pci", "ibm,plb-pci";
+ primary;
+ reg = <eec00000 8 /* Config space access */
+ eed80000 4 /* IACK */
+ eed80000 4 /* Special cycle */
+ ef480000 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 80000000 80000000 0 20000000
+ 01000000 0 00000000 e8000000 0 00010000>;
+
+ /* Inbound 2GB range starting at 0 */
+ dma-ranges = <42000000 0 0 0 0 80000000>;
+
+ /* Walnut 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 1d 8
+
+ /* IDSEL 3 */
+ 1800 0 0 0 &UIC0 1e 8
+
+ /* IDSEL 4 */
+ 2000 0 0 0 &UIC0 1f 8
+ >;
+ };
};
chosen {
diff --git a/arch/powerpc/platforms/40x/Kconfig b/arch/powerpc/platforms/40x/Kconfig
index b8f0a6c16486..84551ab979f0 100644
--- a/arch/powerpc/platforms/40x/Kconfig
+++ b/arch/powerpc/platforms/40x/Kconfig
@@ -59,6 +59,7 @@ config WALNUT
depends on 40x
default y
select 405GP
+ select PCI
help
This option enables support for the IBM PPC405GP evaluation board.