Hi,

> I'm using i82559 on my CATS. I cannot show configurations right now,
> but there are some related comments in /sys/dev/pci/if_fxp_pci.c:
>
>	[...]
>
> fxp_pci_attach() calls bus_space_map() to clear BUS_SPACE_MAP_PREFETCHABLE,
> but footbredge_mem_bs_map() does not handle such flags at all.
> (It should make the PCI space uncachable?)
> Anyway, I guess fxp_pci with i/o mapped access would work.

no, I already tried that (disabled memory CSR accesses), but it didn't
work -- all I get when reading the 82559 registers are zeros :-(

--Bruno.