LongTrail PCI resource assignment

Geert Uytterhoeven geert at linux-m68k.org
Sun Mar 26 00:28:29 EST 2000


On Fri, 24 Mar 2000, Michael Schmitz wrote:
> > > So it's perfectly legal for resources within the same device to overlap?
> > > WTF does X not tolerate this and disables the overlapping one?
> >
> > It may be legal if the internal decoders are prioritized and the priority
> > is the right one (which it should if the firmware has set it up this way).
>
> They are prioritized the right way: if you memset the whole aperture to 0
> the chip freaks out instead of just painting the whole screen black. Been
> there, done that.

Aha, now I know why I had to remove the last 4K. You had overlapping regions!
Which means my patch was not really necessary, since it worked around the real
problem instead of fixing it.

Gr{oetje,eeting}s,

						Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert at linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
							    -- Linus Torvalds


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