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Commit 379865d6 authored by Benjamin Herrenschmidt's avatar Benjamin Herrenschmidt Committed by Josh Boyer
Browse files

[POWERPC] 4xx: Add PCI to Walnut platform 



This wires up the 4xx PCI support & device-tree bits for the
405GP based Walnut platform.

Signed-off-by: default avatarBenjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: default avatarJosh Boyer <jwboyer@linux.vnet.ibm.com>
parent 61974038

arch/powerpc/boot/dts/walnut.dts

+39 −0
Original line number Diff line number Diff line
@@ -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 {

arch/powerpc/platforms/40x/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -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.