OMAP3 zoom2 Use usbtty if the debug board is not connected.
The preferred serial output comes from the debug board.
When the debug board is disconnected, fall back on using
usbtty from the usb connector on the Zoom2 board.
This shows up as /dev/ttyACM0 in a linux host.
Signed-off-by: Tom Rix <Tom.Rix@windriver.com>
diff --git a/include/serial.h b/include/serial.h
index 43451a3..f2638ec 100644
--- a/include/serial.h
+++ b/include/serial.h
@@ -67,9 +67,21 @@
extern void serial_reinit_all(void);
/* For usbtty */
+#ifdef CONFIG_USB_TTY
+
extern int usbtty_getc(void);
extern void usbtty_putc(const char c);
extern void usbtty_puts(const char *str);
extern int usbtty_tstc(void);
+#else
+
+/* stubs */
+#define usbtty_getc() 0
+#define usbtty_putc(a)
+#define usbtty_puts(a)
+#define usbtty_tstc() 0
+
+#endif /* CONFIG_USB_TTY */
+
#endif