diff --git a/drivers/serial/serial_ns16550.c b/drivers/serial/serial_ns16550.c
index fc01a3c..fc8253b 100644
--- a/drivers/serial/serial_ns16550.c
+++ b/drivers/serial/serial_ns16550.c
@@ -166,6 +166,11 @@ static int calc_divisor (NS16550_t port)
 		(MODE_X_DIV * gd->baudrate);
 }
 
+void NS16550_set_dynamic_address(int port, NS16550_t com_port)
+{
+	PORT = com_port;
+}
+
 void
 _serial_putc(const char c,const int port)
 {
diff --git a/include/ns16550.h b/include/ns16550.h
index 51cb5b4..6d7483f 100644
--- a/include/ns16550.h
+++ b/include/ns16550.h
@@ -171,6 +171,7 @@ typedef struct NS16550 *NS16550_t;
 /* useful defaults for LCR */
 #define UART_LCR_8N1	0x03
 
+void NS16550_set_dynamic_address(int port, NS16550_t com_port);
 void NS16550_init(NS16550_t com_port, int baud_divisor);
 void NS16550_putc(NS16550_t com_port, char c);
 char NS16550_getc(NS16550_t com_port);