diff --git a/src/mainboard/system76/galp5/devicetree.cb b/src/mainboard/system76/galp5/devicetree.cb
index 247d4f5189..70385d425c 100644
--- a/src/mainboard/system76/galp5/devicetree.cb
+++ b/src/mainboard/system76/galp5/devicetree.cb
@@ -37,11 +37,32 @@ chip soc/intel/tigerlake
 	# Enable "Intel Speed Shift Technology"
 	register "speed_shift_enable" = "1"
 
+# eSPI (soc/intel/tigerlake/espi.c)
+	# LPC configuration from lspci -s 1f.0 -xxx
+	# Address 0x84: Decode 0x80 - 0x8F (Port 80)
+	register "gen1_dec" = "0x000c0081"
+	# Address 0x88: Decode 0x68 - 0x6F (PMC)
+	register "gen2_dec" = "0x00040069"
+	# Address 0x8C: Decode 0xE00 - 0xEFF (AP/EC command)
+	register "gen3_dec" = "0x00fc0E01"
+	# Address 0x90: Decode 0xF00 - 0xFFF (AP/EC debug)
+	register "gen4_dec" = "0x00fc0F01"
+
 # Finalize (soc/intel/tigerlake/finalize.c)
 	# PM Timer Enabled
 	register "PmTimerDisabled" = "0"
 
 # FSP Memory (soc/intel/tigerlake/romstage/fsp_params.c)
+	# DDIA is eDP
+	register "DdiPortAConfig" = "1"
+	register "DdiPortAHpd" = "1"
+	register "DdiPortADdc" = "0"
+
+	# DDIB is HDMI
+	register "DdiPortBConfig" = "0"
+	register "DdiPortBHpd" = "1"
+	register "DdiPortBDdc" = "1"
+
 	# Enable C6 DRAM
 	register "enable_c6dram" = "1"
 
@@ -155,17 +176,6 @@ chip soc/intel/tigerlake
 # Graphics (soc/intel/tigerlake/graphics.c)
 #TODO	register "gfx" = "GMA_STATIC_DISPLAYS(0)"
 
-# LPC (soc/intel/tigerlake/lpc.c)
-	# LPC configuration from lspci -s 1f.0 -xxx
-	# Address 0x84: Decode 0x80 - 0x8F (Port 80)
-	register "gen1_dec" = "0x000c0081"
-	# Address 0x88: Decode 0x68 - 0x6F (PMC)
-	register "gen2_dec" = "0x00040069"
-	# Address 0x8C: Decode 0xE00 - 0xEFF (AP/EC command)
-	register "gen3_dec" = "0x00fc0E01"
-	# Address 0x90: Decode 0xF00 - 0xFFF (AP/EC debug)
-	register "gen4_dec" = "0x00fc0F01"
-
 # PMC (soc/intel/tigerlake/pmc.c)
 	# TODO: Disable deep Sx states
 	register "deep_s3_enable_ac" = "0"
@@ -185,7 +195,6 @@ chip soc/intel/tigerlake
 	# Disable HECI
 	register "HeciEnabled" = "0"
 
-
 # Actual device tree
 	device cpu_cluster 0 on
 		device lapic 0 on end