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SubjectIn Search of "Michel Lanners" (Re:(PowerPC Linux PCI HELL))

Bogus Patch :-(

This is what I did also but more brut force with verification of IO's and
it still craps out..

On Wed, 13 Sep 2000, Daniel Jacobowitz wrote:

> On Wed, Sep 13, 2000 at 05:29:58PM -0700, 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.
>
> I'm going to bet you need to look at Michel Lanners' (did I spell that
> right this time?) PCI patches. For instance, I've always needed this
> hideous patch on my 7300/200 to get a Promise Ultra66 card to work:
>
> diff -ur merging-bk/drivers/block/ide-pci.c work-bk/drivers/block/ide-pci.c
> --- merging-bk/drivers/block/ide-pci.c Tue Apr 4 22:19:16 2000
> +++ work-bk/drivers/block/ide-pci.c Thu Mar 9 15:33:25 2000
> @@ -468,6 +468,15 @@
> printk("%s: error accessing PCI regs\n", d->name);
> return;
> }
> +#ifdef __powerpc__
> + if (!(pcicmd & PCI_COMMAND_IO)) { /* is device disabled? */
> + pci_write_config_word(dev, PCI_COMMAND, pcicmd | PCI_COMMAND_IO);
> + if (pci_read_config_word(dev, PCI_COMMAND, &pcicmd)) {
> + printk("%s: error accessing PCI regs\n", d->name);
> + return;
> + }
> + }
> +#endif
> if (!(pcicmd & PCI_COMMAND_IO)) { /* is device disabled? */
> /*
> * PnP BIOS was *supposed* to have set this device up for us,
>
>
> Dan
>
> /--------------------------------\ /--------------------------------\
> | Daniel Jacobowitz |__| SCS Class of 2002 |
> | Debian GNU/Linux Developer __ Carnegie Mellon University |
> | dan@debian.org | | dmj+@andrew.cmu.edu |
> \--------------------------------/ \--------------------------------/
>

Andre Hedrick
The Linux ATA/IDE guy

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