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SubjectRe: New topic (PowerPC Linux PCI HELL)

This seems to be an artifact of some OBP implementations for PPC- apples in
particular.

It assigns both I/O and Mem addrs and IRQs, but doesn't enable either memory
or I/O. So you have to do it for it.

On Wed, 13 Sep 2000, Andre Hedrick wrote:

>
> Okay who can teach me how to force hooks and ram this down the PPC
>
> pci_write_config_word(dev, PCI_COMMAND, 0x05);
>
> I have all the address registered.
> My new PPC G3 (7600/132) toy is not allowing IO's on PCI cards to come
> alive. Thus I get some of the most beuatiful lockups ever.
> I suspect that this needs to be handled down in the arch.
>
> ./linux/arch/ppc/kernel/{chrp_pci.c|mbx_pci.c|pmac_pci.c|prep_pci.c}
>
> Basically I can not get the IO's active, regardless of BIOS on the card.
> Yes this is the old trick that used to work of making ix86 cards run in
> non ix86-pci slots.
>
> Here is the fun part, I have a native mac/ppc Ultra-66 card that is fin
> under Mac OS, but the IO's are not enable in linux and it crash like a big
> dog also.
>
> Cheers,
>
>
> Andre Hedrick
> The Linux ATA/IDE guy
>
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