* 0 - 1 : first USB with respect to the left edge of the debug board
* 2 - 3 : second USB with respect to the left edge of the debug board
*/
-#define ZOOM2_DEFAULT_SERIAL_DEVICE (&zoom2_serial_device0)
+#define ZOOM2_DEFAULT_SERIAL_DEVICE 0
#define V_NS16550_CLK (1843200) /* 1.8432 Mhz */