tree e7bdad0033c0782f442cbf664f3977fe87d72699
parent 691af099c8f7e593636d8a62265307ddc2976f6f
author Subrata Banik <subratabanik@google.com> 1657620922 +0000
committer Felix Held <felix-coreboot@felixheld.de> 1657802487 +0000

mb/google/rex: Add chip config for UART devices

This patch ensures LPSS UART 0 is used for the AP serial console as
per Rex Proto 0 schematics dated 07/05.

+-----------+-------------+-------------+
| INTERFACE | PCI (B:D:F) | DEVICE      |
+-----------+-------------+-------------+
| UART-0    | 0:0x1e:0    | For AP UART |
+-----------+-------------+-------------+
| UART-1    | 0:0x1e:1    | NA          |
+-----------+-------------+-------------+
| UART-2    | 0:0x19:2    | NA          |
+-----------+-------------+-------------+

BUG=b:224325352
TEST=Able to get AP UART over LPSS UART0 using emulator.

Signed-off-by: Subrata Banik <subratabanik@google.com>
Change-Id: Ice0c81607c758e94d15ea19e346877776a3de7dd
Reviewed-on: https://review.coreboot.org/c/coreboot/+/65668
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>