summaryrefslogtreecommitdiffstats
path: root/firmware/target/coldfire/uart-coldfire.c
diff options
context:
space:
mode:
Diffstat (limited to 'firmware/target/coldfire/uart-coldfire.c')
-rw-r--r--firmware/target/coldfire/uart-coldfire.c60
1 files changed, 60 insertions, 0 deletions
diff --git a/firmware/target/coldfire/uart-coldfire.c b/firmware/target/coldfire/uart-coldfire.c
new file mode 100644
index 0000000000..c5992a956c
--- /dev/null
+++ b/firmware/target/coldfire/uart-coldfire.c
@@ -0,0 +1,60 @@
+/***************************************************************************
+ * __________ __ ___.
+ * Open \______ \ ____ ____ | | _\_ |__ _______ ___
+ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
+ * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
+ * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
+ * \/ \/ \/ \/ \/
+ * $Id$
+ *
+ * Copyright (C) 2002 by Alan Korr & Nick Robinson
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdarg.h>
+
+#include "config.h"
+#include "cpu.h"
+#include "system.h"
+#include "serial.h"
+
+void serial_setup (void)
+{
+ UCR0 = 0x30; /* Reset transmitter */
+ UCSR0 = 0xdd; /* Timer mode */
+
+ UCR0 = 0x10; /* Reset pointer */
+ UMR0 = 0x13; /* No parity, 8 bits */
+ UMR0 = 0x07; /* 1 stop bit */
+
+ UCR0 = 0x04; /* Tx enable */
+}
+
+int tx_rdy(void)
+{
+ if(USR0 & 0x04)
+ return 1;
+ else
+ return 0;
+}
+
+int rx_rdy(void)
+{
+ /* a dummy */
+ return 0;
+}
+
+void tx_writec(unsigned char c)
+{
+ UTB0 = c;
+}
+