Split off target-specific parts from firmware/drivers/serial.c

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@29768 a1c6a512-1295-4272-9138-f99709370657

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;
+}
+