Messages in this thread |  | | Date | Wed, 13 Sep 2000 22:29:16 -0700 (PDT) | From | Andre Hedrick <> | Subject | In 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
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/
|  |