On Mon, Feb 04, 2002 at 07:16:49PM +0000, Russell King - ARM Linux wrote: > On Mon, Feb 04, 2002 at 07:03:48PM +0000, Ben Dooks wrote: > > I think we have a PCI mapping problem, as registers seem to be comming > > back as 0xff... > > Are those the config registers, or the io/mmio registers?
io/mmio > The card will play dumb until you wake it up with a specific sequence > of writes (see the first 3 writes in cyber2000fb.c > cyberpro_pci_enable_mmio). ok, will check > > > The solution? I have no idea - I don't have any clues to suggest why > > > these chips behave like this, nor what tweaks may be needed to make > > > them behave. However, there are rumours around that indicate that > > > IGS did admit that the PCI parity logic inside the CyberPro chips > > > were broken. > > > > Your bios32.c is disabling parity errors (iirr, correctly) > > You also need to disable SERR as well. yes, it is already doing that. -- Ben Nothing is so absurd that it cannot have been said by a philosopher. _______________________________________________ http://lists.arm.linux.org.uk/mailman/listinfo/linux-arm http://www.arm.linux.org.uk/armlinux/mailinglists.php Please visit the above addresses for information on this list.
