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>

3 files changed, 14 insertions, 0 deletions

diff --git a/src/mainboard/lenovo/m920q/acpi/ec.asl b/src/mainboard/lenovo/m920q/acpi/ec.asl
new file mode 100644
index 0000000000..16990d45f4
--- /dev/null
+++ b/src/mainboard/lenovo/m920q/acpi/ec.asl
@@ -0,0 +1,3 @@
+/* SPDX-License-Identifier: CC-PDDC */
+
+/* Please update the license if adding licensable material. */
diff --git a/src/mainboard/lenovo/m920q/acpi/mainboard.asl b/src/mainboard/lenovo/m920q/acpi/mainboard.asl
new file mode 100644
index 0000000000..16990d45f4
--- /dev/null
+++ b/src/mainboard/lenovo/m920q/acpi/mainboard.asl
@@ -0,0 +1,3 @@
+/* SPDX-License-Identifier: CC-PDDC */
+
+/* Please update the license if adding licensable material. */
diff --git a/src/mainboard/lenovo/m920q/acpi/superio.asl b/src/mainboard/lenovo/m920q/acpi/superio.asl
new file mode 100644
index 0000000000..13623c5cbb
--- /dev/null
+++ b/src/mainboard/lenovo/m920q/acpi/superio.asl
@@ -0,0 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#define SUPERIO_DEV		SIO0
+#define SUPERIO_PNP_BASE	0x2e
+#define NCT6687D_SHOW_SP1
+#define NCT6687D_SHOW_EC
+
+#include <superio/nuvoton/nct6687d/acpi/superio.asl>