On Mon, 2012-04-02 at 05:19 -0500, Milton Miller wrote: > > In the POWER3 era we had several boxes that split the pci bus number > space across domains and RTAS used the bus number to find the correct > PHB. This contineed to the first RS64 boxes. By S80 and RS64-III > it was obvious that we didn't have enough numbers to continue this > ilusion and we added the presently used RTAS calls that take the pci > domain as well as bus, device, and function numbers. > > The bus numbers split across pci domains started with the F50 > F50 chrp 32 bit platforms.
Ok, so old CHRPs would have a split as well... I think the best is to honor the bus-range property of the PHB as min & max values, and if we feel a need to allow the kernel to assign busses beyond that, we can always quirk the appropriate platform code. Cheers, Ben. _______________________________________________ Linuxppc-dev mailing list [email protected] https://lists.ozlabs.org/listinfo/linuxppc-dev
