This is the patch to support TPMs on power ppc hardware.  It has been
reworked as requested to remove the need for messing with the io page mask
by just using ioremap.
Signed-off-by: NKylene Hall <kjhall@us.ibm.com>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>