diff --git a/src/core/spcr.c b/src/core/spcr.c
index 88914cac7..b1cee1608 100644
--- a/src/core/spcr.c
+++ b/src/core/spcr.c
@@ -143,6 +143,7 @@ static struct uart * spcr_console ( void ) {
 	switch ( spcr->type ) {
 	case SPCR_TYPE_16550:
 	case SPCR_TYPE_16450:
+	case SPCR_TYPE_16550_GAS:
 		if ( ( rc = spcr_16550 ( spcr, uart ) ) != 0 )
 			goto err_type;
 		break;
diff --git a/src/include/ipxe/spcr.h b/src/include/ipxe/spcr.h
index ff41a4b89..366092ade 100644
--- a/src/include/ipxe/spcr.h
+++ b/src/include/ipxe/spcr.h
@@ -74,6 +74,7 @@ struct spcr_table {
 /* SPCR interface types */
 #define SPCR_TYPE_16550		0x0000		/**< 16550-compatible */
 #define SPCR_TYPE_16450		0x0001		/**< 16450-compatible */
+#define SPCR_TYPE_16550_GAS	0x0012		/**< 16550-compatible */
 
 /** SPCR baud rates */
 enum spcr_baud {