tree 04c0910f9cfcf2821ff296aab31c428d11ab99a6
parent 77a5b4046ab7e7bee887990b342a7356554fd391
author Aaron Durbin <adurbin@chromium.org> 1364008985 -0500
committer Stefan Reinauer <stefan.reinauer@coreboot.org> 1364583625 +0100

haswell: add option to mark graphics memory write-combining.

The graphics memory can be accessed in a faster manner by
setting it to write-combing mode. Add an option to enable
write-combining for the graphics memory.

Change-Id: I797fcd9f0dfb074f9e45476773acbfe614eb4b0a
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/2893
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>