mb/lenovo: Add ThinkCentre M920q (Coffee Lake)

It may come with 8th or 9th Gen CPUs. i5-8500T has been tested here.

Works:
- Serial adapter from daughter board (COM1 connector)
- USB ports front and back
- USB-C port (charging, data)
- HDMI
- Ethernet
- SATA
- NVMe
- internal speaker
- TPM2.0
- PCIe x8 port (x8 riser tested, x4 not)

Does not work:
- front audio jacks

Change-Id: Iea1dc5745c0ecf687fa18b793f0aab4b0855d6d4
Signed-off-by: Maciej Pijanowski <maciej.pijanowski@3mdeb.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/80609
Reviewed-by: Felix Singer <service+coreboot-gerrit@felixsinger.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

1 files changed, 20 insertions, 0 deletions

diff --git a/src/mainboard/lenovo/m920q/gma-mainboard.ads b/src/mainboard/lenovo/m920q/gma-mainboard.ads
new file mode 100644
index 0000000000..fa35825af4
--- /dev/null
+++ b/src/mainboard/lenovo/m920q/gma-mainboard.ads
@@ -0,0 +1,20 @@
+-- SPDX-License-Identifier: GPL-2.0-or-later
+
+with HW.GFX.GMA;
+with HW.GFX.GMA.Display_Probing;
+
+use HW.GFX.GMA;
+use HW.GFX.GMA.Display_Probing;
+
+private package GMA.Mainboard is
+
+   ports : constant Port_List :=
+     (DP1,
+      DP2,
+      DP3,
+      HDMI1,
+      HDMI2,
+      HDMI3,
+      others => Disabled);
+
+end GMA.Mainboard;