multiple separate pci bridges ...

Sven Luther sven.luther at
Tue Jan 20 09:08:20 EST 2004

On Tue, Jan 20, 2004 at 08:35:06AM +1100, Benjamin Herrenschmidt wrote:
> > Mmm, should it also be needed to put 0 in the Memory Space and IO space
> > bits of the Command register ?
> Probably a good idea, yes.


> > Also, about the Interrupt line, i believe that there is no interrupt
> > used by the northbridge at this time. We were not speaking about the pci
> > config space of the graphic card, but of the bridge, so it should have
> > no influence with DRI or anything else, right ?
> Yup.

BTW, xfree86 with voodoo cards and the tdfx driver dies with :

  (EE) TDFX(0): No valid PIO address in PCI config space

But again, this is with the graphic card which should not be touched
here. Tdfxfb is ok though, as is X with the fbdev driver.


Sven Luther

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