tree 018dbfa391c0b995e0a5ae4cc0e0c48decb18d4b
parent e80a1b1690d9d70e14cd7aa0b99fa317ac33b4e4
author Aaron Durbin <adurbin@chromium.org> 1590682758 -0600
committer Felix Held <felix-coreboot@felixheld.de> 1591643291 +0000

soc/amd/picasso: solve MTRRs only from 4GiB and below

Use x86_setup_mtrrs_with_detect_no_above_4gb() to only
solve the MTRR solution for memory up to 4GiB. This assumes
4GiB to TOM2 is marked as writeback in sys_cfg MSR.

BUG=b:155426691

Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Change-Id: Ib8358b614682f6a97278f3a60b5ada5e607965af
Reviewed-on: https://review.coreboot.org/c/coreboot/+/41898
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>