From c3fc2de0fea2bbd54780226d66ec91d73f35e74a Mon Sep 17 00:00:00 2001
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date: Fri, 21 Dec 2007 15:39:29 +1100
Subject: [PATCH] [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>
---
arch/powerpc/boot/dts/bamboo.dts | 40 +++++++++++++++++++++++++++++-
arch/powerpc/platforms/44x/Kconfig | 1 +
2 files changed, 40 insertions(+), 1 deletion(-)
diff --git a/arch/powerpc/boot/dts/bamboo.dts b/arch/powerpc/boot/dts/bamboo.dts
index cb2fb50a281c1..e479f07898657 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";
};
};
diff --git a/arch/powerpc/platforms/44x/Kconfig b/arch/powerpc/platforms/44x/Kconfig
index 1bf042498f6e1..f9f65f90c9c24 100644
--- 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.
--
2.30.2