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-rw-r--r--src/mainboard/lenovo/t420/Kconfig2
-rw-r--r--src/mainboard/lenovo/t420/Makefile.inc2
-rw-r--r--src/mainboard/lenovo/t420/gma-mainboard.ads20
3 files changed, 24 insertions, 0 deletions
diff --git a/src/mainboard/lenovo/t420/Kconfig b/src/mainboard/lenovo/t420/Kconfig
index 04233e7ef6..76690776f4 100644
--- a/src/mainboard/lenovo/t420/Kconfig
+++ b/src/mainboard/lenovo/t420/Kconfig
@@ -20,6 +20,8 @@ config BOARD_SPECIFIC_OPTIONS # dummy
select ENABLE_VMX
select DRIVERS_RICOH_RCE822
select MAINBOARD_HAS_LPC_TPM
+ select MAINBOARD_HAS_LIBGFXINIT
+ select GFX_GMA_INTERNAL_IS_LVDS
# Workaround for EC/KBC IRQ1.
select SERIRQ_CONTINUOUS_MODE
diff --git a/src/mainboard/lenovo/t420/Makefile.inc b/src/mainboard/lenovo/t420/Makefile.inc
index 9eb141adc9..2dab9507f1 100644
--- a/src/mainboard/lenovo/t420/Makefile.inc
+++ b/src/mainboard/lenovo/t420/Makefile.inc
@@ -15,3 +15,5 @@
smm-$(CONFIG_HAVE_SMI_HANDLER) += smihandler.c
romstage-y += gpio.c
+
+ramstage-$(CONFIG_MAINBOARD_USE_LIBGFXINIT) += gma-mainboard.ads
diff --git a/src/mainboard/lenovo/t420/gma-mainboard.ads b/src/mainboard/lenovo/t420/gma-mainboard.ads
new file mode 100644
index 0000000000..736dce71e0
--- /dev/null
+++ b/src/mainboard/lenovo/t420/gma-mainboard.ads
@@ -0,0 +1,20 @@
+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,
+ Analog,
+ Internal,
+ others => Disabled);
+
+end GMA.Mainboard;