mainboard: add support for lenovo x1 carbon gen 14.6

Based on Thinkpad x230 and schematics.
Verified by autoport.

USB debug port is the left front usb port

Thanks to Holger Levsen for the device.

Change-Id: I97c8e01a3ce0577d7dc9e8df7d33db3b155fe3d6
Tested-on: lenovo x1 carbon gen 1
Signed-off-by: Alexander Couzens <lynxis@fe80.eu>
Reviewed-on: https://review.coreboot.org/16994
Tested-by: build bot (Jenkins)
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>

1 files changed, 19 insertions, 0 deletions

diff --git a/src/mainboard/lenovo/x1_carbon_gen1/gma-mainboard.ads b/src/mainboard/lenovo/x1_carbon_gen1/gma-mainboard.ads
new file mode 100644
index 000000000000..11ec84073836
--- /dev/null
+++ b/src/mainboard/lenovo/x1_carbon_gen1/gma-mainboard.ads
@@ -0,0 +1,19 @@
+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,
+      Internal,
+      others => Disabled);
+
+end GMA.Mainboard;