On Tuesday, May 03, 2011 7:49:29 pm Michael Butler wrote: > > I have WIP patches to fix this but they aren't ready yet. > > > >> pcib4: I/O decode 0x4000-0x4fff > >> pcib4: memory decode 0xf0900000-0xf09fffff > >> *** this memory widow is what I expected all children to allocate from > >> > >> pcib4: no prefetched decode > >> pcib4: Subtractively decoded bridge. > > > > It's a subtractive bridge, so the resources do not have to be allocated from > > the window. That said, I'm committing the last of my patches to HEAD today > > to > > rework how PCI-PCI bridges handle I/O windows to support growing windows, > > etc. > > and the new PCI-PCI bridge driver will attempt to grow the memory window to > > allocate a new range before falling back to depending on the subtractive > > decode. > > You might be pleased to hear that, without any "special arrangements" in > loader.conf, the new PCI-PCI code does The Right Thing with memory > allocation :-) > > Parent bridge: > > I "fixed" the subordinate bus using "setpci -s 07:06.2 4c.b=02"
I believe it should work even if you don't disable subtractive decoding. -- John Baldwin _______________________________________________ freebsd-current@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-current To unsubscribe, send any mail to "freebsd-current-unsubscr...@freebsd.org"
