1 files changed, 13 insertions, 0 deletions
diff --git a/src/mainboard/bostentech/gbyt4/early_init.c b/src/mainboard/bostentech/gbyt4/early_init.c
new file mode 100644
index 0000000000..9b12a3d2fd
--- /dev/null
+++ b/src/mainboard/bostentech/gbyt4/early_init.c
@@ -0,0 +1,13 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <bootblock_common.h>
+#include <superio/ite/common/ite.h>
+#include <superio/ite/it8728f/it8728f.h>
+
+#define SERIAL_DEV PNP_DEV(0x2e, 0x01)
+
+void bootblock_mainboard_early_init(void)
+{
+	/* Enable serial port */
+	ite_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
+}