[PATCH 19/25] powerpc: Wire up PCI on Bamboo board

[Josh Boyer]

On Thu, 06 Dec 2007 19:00:19 +1100
Benjamin Herrenschmidt <benh at kernel.crashing.org> wrote:

> 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 at kernel.crashing.org>
> ---
> 
>  arch/powerpc/boot/dts/bamboo.dts |   40 ++++++++++++++++++++++++++++++++++++++-
>  1 file changed, 39 insertions(+), 1 deletion(-)
> 
> Index: linux-work/arch/powerpc/boot/dts/bamboo.dts
> ===================================================================
> --- linux-work.orig/arch/powerpc/boot/dts/bamboo.dts	2007-11-30 13:40:21.000000000 +1100
> +++ linux-work/arch/powerpc/boot/dts/bamboo.dts	2007-11-30 13:40:45.000000000 +1100
> @@ -239,10 +239,48 @@
>  				zmii-channel = <1>;
>  			};
>  		};
> +
> +		PCI0: pci at 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 eed80000 4	/* IACK */
> +			       0 eed80000 4	/* Special cycle */
> +			       0 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 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>;
> +
> +			/* Walnut has all 4 IRQ pins tied together per slot */

Not a Walnut board.

> +			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 at ef600300";
> -		bootargs = "console=ttyS0,115200";

Did you remove that for a reason?

josh