On Mon, 2008-01-28 at 15:48 -0600, Olof Johansson wrote: > > > Does the cell I/O bridge reflect out accesses to 2-4GB on the bus > > > again? If not, that could be another place to stick the dynamic range > > > for large config machines. > > > > On the PCI bus itself, 2-4GB is where MMIO sits. > > Depending on the implementation, 2-4GB accesses _from_ PCI could mean > something else.
Not on PCI / PCI-X no. Maybe PCI-E could do that sort of ugly hacks but that wouldn't be within specs I believe. > But for most machines it doesn't, and I'm guessing cell > is one of those. Ben. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev