gma broxton: Start off with power domains and CDClk

It's close to the respective code for Skylake but still different
enough for a separate implementation. We start with a default CDClk
of 288MHz which is enough for resolutions up to 2560x1600.

Change-Id: I44364191236f421b2b89c9a019a50713f7c20525
Signed-off-by: Nico Huber <nico.huber@secunet.com>
Reviewed-on: https://review.coreboot.org/18243
Tested-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
6 files changed
tree: 771cd2b63dc548d61a0d3a42f7bce72c7ed3acd6
  1. common/
  2. configs/
  3. .gitignore
  4. COPYING
  5. Makefile
  6. Makefile.inc
  7. TODO