commit 7bea86829bbd7efbdc9e07bbb1535e895ec99466
author Tom Rix <Tom.Rix@windriver.com> Sat Oct 31 12:37:45 2009 -0500
committer Remy Bohmer <linux@bohmer.net> Sun Dec 20 12:51:51 2009 +0100
tree 8ca03b8cc3f5fb14c2711950c87bda5ddb805a42
parent a36796b68b8bcc74d4cf2d76fd458acb013dba15

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>

board/logicpd/zoom2/zoom2_serial.c

diff --git a/board/logicpd/zoom2/zoom2_serial.c b/board/logicpd/zoom2/zoom2_serial.c
index a3d777d..ba58e39 100644
--- a/board/logicpd/zoom2/zoom2_serial.c
+++ b/board/logicpd/zoom2/zoom2_serial.c
@@ -86,6 +86,8 @@
 			quad_putc_dev (base, '\r');
 
 		NS16550_putc ((NS16550_t) base, c);
+	} else {
+		usbtty_putc(c);
 	}
 }
 
@@ -94,6 +96,8 @@
 	if (zoom2_debug_board_connected ()) {
 		while ((s != NULL) && (*s != '\0'))
 			quad_putc_dev (base, *s++);
+	} else {
+		usbtty_puts(s);
 	}
 }
 
@@ -101,16 +105,16 @@
 {
 	if (zoom2_debug_board_connected ())
 		return NS16550_getc ((NS16550_t) base);
-	else
-		return 0;
+
+	return usbtty_getc();
 }
 
 int quad_tstc_dev (unsigned long base)
 {
 	if (zoom2_debug_board_connected ())
 		return NS16550_tstc ((NS16550_t) base);
-	else
-		return 0;
+
+	return usbtty_tstc();
 }
 
 void quad_setbrg_dev (unsigned long base)