These need to be set before the kernel will work without
running the VBIOS option rom.
Also necessary is setting the PP_CONTROL register with
the EDP_FORCE_VDD bit.
BUG=chrome-os-partner:24367
BRANCH=none
TEST=boot on rambi in normal mode and see the panel come up
Change-Id: I495f818d581d08b80db11785fe28b601ec956b3b
Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/179364
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/5000
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Tested-by: build bot (Jenkins)
- Ungate display in PUNIT
- Set GSM to 64MB since 32MB is not supported in <C0 stepping
- Initialize power management registers in GTT
- Execute VBIOS if found
BUG=chrome-os-partner:23507
BRANCH=rambi
TEST=build and boot to dev screen via HDMI on rambi
Change-Id: Idb032c7ea7f16b651b4c921e3429a652fe663a5d
Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/174922
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/4907
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
