Techwizz/kernel-fxtec-pro1x
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

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

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

Signed-off-by: Jason Jin <Jason.jin@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
This commit is contained in:
Jason Jin 2008-05-23 16:32:48 +08:00 • committed by Kumar Gala
parent 0023352f56
commit 741edc4949
3 changed files with 35 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

16
arch/powerpc/boot/dts/mpc8544ds.dts
View file

@ -219,6 +219,22 @@
device_type = "open-pic"; device_type = "open-pic";
big-endian; 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 { pci0: pci@e0008000 {

16
arch/powerpc/boot/dts/mpc8572ds.dts
View file

@ -221,6 +221,22 @@
fsl,has-rstcr; 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 { mpic: pic@40000 {
clock-frequency = <0>; clock-frequency = <0>;
interrupt-controller; interrupt-controller;

4
arch/powerpc/platforms/85xx/mpc85xx_ds.c
View file

@ -78,7 +78,8 @@ void __init mpc85xx_ds_pic_init(void)
} }
mpic = mpic_alloc(np, r.start, 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 "); 0, 256, " OpenPIC ");
BUG_ON(mpic == NULL); BUG_ON(mpic == NULL);
@ -195,6 +196,7 @@ static int __init mpc85xxds_publish_devices(void)
return of_platform_bus_probe(NULL, mpc85xxds_ids, NULL); return of_platform_bus_probe(NULL, mpc85xxds_ids, NULL);
} }
machine_device_initcall(mpc8544_ds, mpc85xxds_publish_devices); machine_device_initcall(mpc8544_ds, mpc85xxds_publish_devices);
machine_device_initcall(mpc8572_ds, mpc85xxds_publish_devices);
/* /*
* Called very early, device-tree isn't unflattened * Called very early, device-tree isn't unflattened