purism/librem_skl: add libgfxinit support

Panel settings taken from KBL FSP sample vbt.bin

Test: build/boot librem13v2/15v3 with libgfxinit init,
verify both LFB and text modes functional

Change-Id: I9582065603417e53704244e95dde51a59f709664
Signed-off-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/36123
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>

1 files changed, 28 insertions, 0 deletions

diff --git a/src/mainboard/purism/librem_skl/gma-mainboard.ads b/src/mainboard/purism/librem_skl/gma-mainboard.ads
new file mode 100644
index 0000000000..1aba615128
--- /dev/null
+++ b/src/mainboard/purism/librem_skl/gma-mainboard.ads
@@ -0,0 +1,28 @@
+--
+-- This file is part of the coreboot project.
+--
+-- This program is free software; you can redistribute it and/or modify
+-- it under the terms of the GNU General Public License as published by
+-- the Free Software Foundation; either version 2 of the License, or
+-- (at your option) any later version.
+--
+-- This program is distributed in the hope that it will be useful,
+-- but WITHOUT ANY WARRANTY; without even the implied warranty of
+-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+-- GNU General Public License for more details.
+--
+
+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 :=
+     (Internal,
+      HDMI1,
+      others => Disabled);
+
+end GMA.Mainboard;