Initial revision

1 files changed, 83 insertions, 0 deletions

diff --git a/board/bmw/serial.c b/board/bmw/serial.c
new file mode 100644
index 0000000..f36a41b
--- /dev/null
+++ b/board/bmw/serial.c
@@ -0,0 +1,83 @@
+/*
+ * (C) Copyright 2000
+ * Rob Taylor, Flying Pig Systems. robt@flyingpig.com.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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 program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include "ns16550.h"
+
+#if CONFIG_CONS_INDEX == 1
+static struct NS16550 *console =
+		(struct NS16550 *) (CFG_EUMB_ADDR + 0x4500);
+#elif CONFIG_CONS_INDEX == 2
+static struct NS16550 *console =
+		(struct NS16550 *) (CFG_EUMB_ADDR + 0x4500);
+#else
+#error no valid console defined
+#endif
+
+extern ulong get_bus_freq (ulong);
+
+int serial_init (void)
+{
+	DECLARE_GLOBAL_DATA_PTR;
+
+	int clock_divisor = gd->bus_clk / 16 / gd->baudrate;
+
+	NS16550_init (CONFIG_CONS_INDEX - 1, clock_divisor);
+
+	return (0);
+}
+
+void serial_putc (const char c)
+{
+	if (c == '\n') {
+		serial_putc ('\r');
+	}
+	NS16550_putc (console, c);
+}
+
+void serial_puts (const char *s)
+{
+	while (*s) {
+		serial_putc (*s++);
+	}
+}
+
+
+int serial_getc (void)
+{
+	return NS16550_getc (console);
+}
+
+int serial_tstc (void)
+{
+	return NS16550_tstc (console);
+}
+
+void serial_setbrg (void)
+{
+	DECLARE_GLOBAL_DATA_PTR;
+
+	int clock_divisor = get_bus_freq (0) / 16 / gd->baudrate;
+
+	NS16550_reinit (console, clock_divisor);
+}