This patch moves some of the routines responsible for dealing
with the mapping of PCI host bridges IO space from pSeries to
the generic ppc64 pci code. PowerMac doesn't use it currently,
but a new platform will soon.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>