tree 7fca680be2246812c14920c0fb44fbe717786dc6
parent bbaa22c3a0d0be4406d26e5a73d1e8e504787986
author Chris Metcalf <cmetcalf@tilera.com> 1336580790 -0400
committer Chris Metcalf <cmetcalf@tilera.com> 1342644011 -0400

arch/tile: enable ZONE_DMA for tilegx

This is required for PCI root complex legacy support and USB OHCI root
complex support.  With this change tilegx now supports allocating memory
whose PA fits in 32 bits.

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>