Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 741edc49 authored by Jason Jin's avatar Jason Jin Committed by Kumar Gala
Browse files

[POWERPC] 85xx: Enable MSI support for 85xxds board 



This patch enabled MSI on 8544ds and 8572ds board.
So far only one MSI interrupt can generate on 8544 board.

Signed-off-by: default avatarJason Jin <Jason.jin@freescale.com>
Signed-off-by: default avatarKumar Gala <galak@kernel.crashing.org>
parent 0023352f

arch/powerpc/boot/dts/mpc8544ds.dts

+16 −0
Original line number Diff line number Diff line
@@ -219,6 +219,22 @@ 
			device_type = "open-pic";

			big-endian;

		};



		msi@41600 {

			compatible = "fsl,mpc8544-msi", "fsl,mpic-msi";

			reg = <0x41600 0x80>;

			msi-available-ranges = <0 0x100>;

			interrupts = <

				0xe0 0

				0xe1 0

				0xe2 0

				0xe3 0

				0xe4 0

				0xe5 0

				0xe6 0

				0xe7 0>;

			interrupt-parent = <&mpic>;

		};

	};



	pci0: pci@e0008000 {

arch/powerpc/boot/dts/mpc8572ds.dts

+16 −0
Original line number Diff line number Diff line
@@ -221,6 +221,22 @@ 
			fsl,has-rstcr;

		};



		msi@41600 {

			compatible = "fsl,mpc8572-msi", "fsl,mpic-msi";

			reg = <0x41600 0x80>;

			msi-available-ranges = <0 0x100>;

			interrupts = <

				0xe0 0

				0xe1 0

				0xe2 0

				0xe3 0

				0xe4 0

				0xe5 0

				0xe6 0

				0xe7 0>;

			interrupt-parent = <&mpic>;

		};



		mpic: pic@40000 {

			clock-frequency = <0>;

			interrupt-controller;

arch/powerpc/platforms/85xx/mpc85xx_ds.c

+3 −1
Original line number Diff line number Diff line
@@ -78,7 +78,8 @@ void __init mpc85xx_ds_pic_init(void) 
	}



	mpic = mpic_alloc(np, r.start,

			  MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN,

			  MPIC_PRIMARY | MPIC_WANTS_RESET |

			  MPIC_BIG_ENDIAN | MPIC_BROKEN_FRR_NIRQS,

			0, 256, " OpenPIC  ");

	BUG_ON(mpic == NULL);
@@ -195,6 +196,7 @@ static int __init mpc85xxds_publish_devices(void) 
	return of_platform_bus_probe(NULL, mpc85xxds_ids, NULL);

}

machine_device_initcall(mpc8544_ds, mpc85xxds_publish_devices);

machine_device_initcall(mpc8572_ds, mpc85xxds_publish_devices);



/*

 * Called very early, device-tree isn't unflattened