[coreboot-gerrit] Change in coreboot[master]: soc/intel/car: Add support for bootguard CAR

[Arthur Heymans (Code Review)]

Attention is currently required from: Arthur Heymans, Angel Pons, Michael Niewöhner, Patrick Rudolph.
Hello build bot (Jenkins), Patrick Georgi, Vincent Zimmer, Subrata Banik, Julius Werner, Michael Niewöhner, Patrick Rudolph, Patrick Rudolph, Aaron Durbin, Gaggery Tsai, Nico Huber, Michał Żygowski, David Hendricks, Sachin Agrawal, Amol N Sukerkar,

I'd like you to reexamine a change. Please visit

https://review.coreboot.org/c/coreboot/+/36682

to look at the new patch set (#11).

Change subject: soc/intel/car: Add support for bootguard CAR
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soc/intel/car: Add support for bootguard CAR

Bootguard sets up CAR/NEM on its own so the only thing needed is to
find free MTRRs for our own CAR region and clear that area to fill in
cache lines.

TESTED on prodrive/hermes with bootguard enabled.

Change-Id: Ifac5267f8f4b820a61519fb4a497e2ce7075cc40
Signed-off-by: Arthur Heymans 
---
M src/include/cpu/intel/msr.h
M src/soc/intel/common/block/cpu/car/cache_as_ram.S
2 files changed, 31 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/82/36682/11