tree 5b1fe77868d71a28bba311c97ec293eaf1886607
parent c8c83ce0270e1564e37de3dbc7687ec2e3e6587e
author Raul E Rangel <rrangel@chromium.org> 1614208860 -0700
committer Felix Held <felix-coreboot@felixheld.de> 1614723440 +0000

soc/amd/cezanne: Disable legacy DMA IO ports

The legacy DMA is not used by linux. This change frees up those IO
ports.

When FSP-S runs, it re-enables the legacy DMA IO region, so we need to
disable it again.
  BOOTBLOCK: PMx00: 0xe3060bf3
  ROMSTAGE - Before FSP: PMx00: 0xe3060bf3
  ROMSTAGE - After FSP: PMx00: 0xe3060bf7

BUG=b:180949454

Signed-off-by: Raul E Rangel <rrangel@chromium.org>
Change-Id: I7792d1f8ea40eb1c7f6cca67e9907208884ac694
Reviewed-on: https://review.coreboot.org/c/coreboot/+/51076
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>