tree 776d05c247f9fad5c6d603525fc2a22b92b69690
parent 730b2616aa3c24d6ee9da5cf00ba7f0248776cbd
author Nico Huber <nico.h@gmx.de> 1589929338 +0200
committer Patrick Georgi <pgeorgi@google.com> 1590506061 +0000

device/pci: Handle unassigned bus resources gracefully

The I/O windows of PCI bridges can be disabled individually by
setting their limit lower than their base. Always do this if a
resource wasn't assigned a value.

Change-Id: I73f6817c4b12cb1689627044735d1fed6d825afe
Signed-off-by: Nico Huber <nico.h@gmx.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/41552
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Furquan Shaikh <furquan@google.com>