diff --git a/src/mainboard/intel/tglrvp/bootblock.c b/src/mainboard/intel/tglrvp/bootblock.c
index a8f7e41433..d7f3255974 100644
--- a/src/mainboard/intel/tglrvp/bootblock.c
+++ b/src/mainboard/intel/tglrvp/bootblock.c
@@ -5,7 +5,7 @@
 #include <bootblock_common.h>
 #include <soc/gpio.h>
 
-void bootblock_mainboard_init(void)
+void bootblock_mainboard_early_init(void)
 {
 	const struct pad_config *pads;
 	size_t num;
diff --git a/src/mainboard/intel/tglrvp/variants/tglrvp_up3/gpio.c b/src/mainboard/intel/tglrvp/variants/tglrvp_up3/gpio.c
index 51b301d3cf..448aa41ecc 100644
--- a/src/mainboard/intel/tglrvp/variants/tglrvp_up3/gpio.c
+++ b/src/mainboard/intel/tglrvp/variants/tglrvp_up3/gpio.c
@@ -63,6 +63,10 @@ static const struct pad_config gpio_table[] = {
 
 /* Early pad configuration in bootblock */
 static const struct pad_config early_gpio_table[] = {
+	/* UART */
+	PAD_CFG_NF(GPP_C20, NONE, DEEP, NF1), /* UART2 RX */
+	PAD_CFG_NF(GPP_C21, NONE, DEEP, NF1), /* UART2 TX */
+
 	/* Audio */
 	PAD_CFG_NF(GPP_R0, NONE, DEEP, NF2),   /* I2S0_HP_SCLK */
 	PAD_CFG_NF(GPP_R1, NONE, DEEP, NF2),   /* I2S0_HP_SFRM */
diff --git a/src/mainboard/intel/tglrvp/variants/tglrvp_up4/gpio.c b/src/mainboard/intel/tglrvp/variants/tglrvp_up4/gpio.c
index 77da5cce5c..18dab082a2 100644
--- a/src/mainboard/intel/tglrvp/variants/tglrvp_up4/gpio.c
+++ b/src/mainboard/intel/tglrvp/variants/tglrvp_up4/gpio.c
@@ -59,6 +59,10 @@ static const struct pad_config gpio_table[] = {
 
 /* Early pad configuration in bootblock */
 static const struct pad_config early_gpio_table[] = {
+	/* UART */
+	PAD_CFG_NF(GPP_C20, NONE, DEEP, NF1), /* UART2 RX */
+	PAD_CFG_NF(GPP_C21, NONE, DEEP, NF1), /* UART2 TX */
+
 	/* Audio */
 	PAD_CFG_NF(GPP_R0, NONE, DEEP, NF2),   /* I2S0_HP_SCLK */
 	PAD_CFG_NF(GPP_R1, NONE, DEEP, NF2),   /* I2S0_HP_SFRM */