tree 8a947124587034c8584426ffce9840ec109bdff5
parent 99d2d62fa1034ac3935dd701735704ca839c25a1
author Arthur Heymans <arthur@aheymans.xyz> 1654025623 +0200
committer Felix Held <felix-coreboot@felixheld.de> 1655727523 +0000

soc/amd/*: Make mtrr decision based on syscfg

The syscfg has to option to automatically mark the range between 4G and
TOM2, which contains DRAM, as WB. Making it generally not necessary to
allocate MTRRs for memory above 4G if no PCI BARs are placed up there.

Change-Id: Ifbacae28e272ab2f39f268ad034354a9c590d035
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/64868
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>