mb/asus/p8z77-m_pro: Transform into variant

To preserve reproducibility, temporarily guard mainboard.c contents.

Tested with BUILD_TIMELESS=1, coreboot.rom for the Asus P8Z77-M PRO
remains identical when not adding the .config file in it.

Change-Id: I05e272690ca78f6b9e22b1db1c36cb9e5a7afe3c
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/54411
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>

1 files changed, 17 insertions, 0 deletions

diff --git a/src/mainboard/asus/p8z77-series/variants/p8z77-m_pro/gma-mainboard.ads b/src/mainboard/asus/p8z77-series/variants/p8z77-m_pro/gma-mainboard.ads
new file mode 100644
index 0000000000..09d2e1556a
--- /dev/null
+++ b/src/mainboard/asus/p8z77-series/variants/p8z77-m_pro/gma-mainboard.ads
@@ -0,0 +1,17 @@
+-- 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 :=
+     (HDMI1,	-- DVI-D port on rear
+      HDMI3,	-- real HDMI port on rear
+      Analog,	-- VGA port on rear
+      others => Disabled);
+
+end GMA.Mainboard;