powerpc/powernv: Supports PHB3

The patch intends to initialize PHB3 during system boot stage. The
flag "PNV_PHB_MODEL_PHB3" is introduced to differentiate IODA2
compatible PHB3 from other types of PHBs.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Gavin Shan 2013-04-25 19:20:57 +00:00 • committed by Benjamin Herrenschmidt
commit aa0c033f99
3 changed files with 42 additions and 34 deletions