Re: XFree86 4.1.0: call for help
Sorry if this is completely wrong, but would Michel Lanners's
"PCI Fixup" code be helpful here?
P.S. I'm not on the linuxppc-dev list, just debian-powerpc, so I've only
replied to the debian list.
On Fri, Jun 01, 2001 at 10:00:16AM -0700, Ani Joshi wrote:
> On Fri, 1 Jun 2001, Kostas Gewrgiou wrote:
> > > __NR_pciconfig_iobase
> > >
> > > Another approach might be to make it only return an ioBase for known working
> > > configurations, is that feasible?
> > We need a way to use multiple ioBases from inside xfree to fix the problem.
> > The best solution will be to disable ISA I/O for now and get a better fix
> > later on.
> No, that's not the solution. The solution is to get the kernel to return
> the *correct* iobase for the sepecific devfn, right now it returns one for
> any and all pci devices. Since these strange UniN boards have multiple
> bases, it should take into consideration the devfn (which it currently
> ignores totally).
> Michel, find out your 2 (or 3?) iobases and try each one (hardcode it in
> X, set it for ioBase_phys) and see which one works. When you find the
> right one, add that to the kernel syscall, or find a generic way to find
> the mask which sets those on that bus apart from others.
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