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authorwdenk <wdenk>2004-01-03 00:43:19 +0000
committerwdenk <wdenk>2004-01-03 00:43:19 +0000
commit3a473b2a6523db9cdf2b5aed22d9730b4ebc5693 (patch)
tree40da84736871e773141ea971d832bf0c908d59b7 /board/Marvell/common/serial.c
parentb6e4c4033c4f889c452c511d38c77808c67f9cf7 (diff)
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* Patch by Ronen Shitrit, 10 Dec 2003:
Add support for the Marvell DB64360 / DB64460 development boards * Patch by Detlev Zundel, 10 Dec 2003: fix dependency problem in examples/Makefile
Diffstat (limited to 'board/Marvell/common/serial.c')
-rw-r--r--board/Marvell/common/serial.c178
1 files changed, 178 insertions, 0 deletions
diff --git a/board/Marvell/common/serial.c b/board/Marvell/common/serial.c
new file mode 100644
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+++ b/board/Marvell/common/serial.c
@@ -0,0 +1,178 @@
+/*
+ * (C) Copyright 2001
+ * Josh Huber <huber@mclx.com>, Mission Critical Linux, Inc.
+ *
+ * modified for marvell db64360 eval board by
+ * Ingo Assmus <ingo.assmus@keymile.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
+ */
+
+/*
+ * serial.c - serial support for the gal ev board
+ */
+
+/* supports both the 16650 duart and the MPSC */
+
+#include <common.h>
+#include <command.h>
+#include "../include/memory.h"
+#include "serial.h"
+
+#ifdef CONFIG_DB64360
+#include "../db64360/mpsc.h"
+#endif
+
+#ifdef CONFIG_DB64460
+#include "../db64460/mpsc.h"
+#endif
+
+#include "ns16550.h"
+
+#ifdef CONFIG_MPSC
+
+
+int serial_init (void)
+{
+ DECLARE_GLOBAL_DATA_PTR;
+
+#if (defined CFG_INIT_CHAN1) || (defined CFG_INIT_CHAN2)
+ int clock_divisor = 230400 / gd->baudrate;
+#endif
+
+ mpsc_init (gd->baudrate);
+
+ /* init the DUART chans so that KGDB in the kernel can use them */
+#ifdef CFG_INIT_CHAN1
+ NS16550_reinit (COM_PORTS[0], clock_divisor);
+#endif
+#ifdef CFG_INIT_CHAN2
+ NS16550_reinit (COM_PORTS[1], clock_divisor);
+#endif
+ return (0);
+}
+
+void serial_putc (const char c)
+{
+ if (c == '\n')
+ mpsc_putchar ('\r');
+
+ mpsc_putchar (c);
+}
+
+int serial_getc (void)
+{
+ return mpsc_getchar ();
+}
+
+int serial_tstc (void)
+{
+ return mpsc_test_char ();
+}
+
+void serial_setbrg (void)
+{
+ DECLARE_GLOBAL_DATA_PTR;
+
+ galbrg_set_baudrate (CONFIG_MPSC_PORT, gd->baudrate);
+}
+
+#else /* ! CONFIG_MPSC */
+
+int serial_init (void)
+{
+ DECLARE_GLOBAL_DATA_PTR;
+
+ int clock_divisor = 230400 / gd->baudrate;
+
+#ifdef CFG_INIT_CHAN1
+ (void) NS16550_init (0, clock_divisor);
+#endif
+#ifdef CFG_INIT_CHAN2
+ (void) NS16550_init (1, clock_divisor);
+#endif
+ return (0);
+}
+
+void serial_putc (const char c)
+{
+ if (c == '\n')
+ NS16550_putc (COM_PORTS[CFG_DUART_CHAN], '\r');
+
+ NS16550_putc (COM_PORTS[CFG_DUART_CHAN], c);
+}
+
+int serial_getc (void)
+{
+ return NS16550_getc (COM_PORTS[CFG_DUART_CHAN]);
+}
+
+int serial_tstc (void)
+{
+ return NS16550_tstc (COM_PORTS[CFG_DUART_CHAN]);
+}
+
+void serial_setbrg (void)
+{
+ DECLARE_GLOBAL_DATA_PTR;
+
+ int clock_divisor = 230400 / gd->baudrate;
+
+#ifdef CFG_INIT_CHAN1
+ NS16550_reinit (COM_PORTS[0], clock_divisor);
+#endif
+#ifdef CFG_INIT_CHAN2
+ NS16550_reinit (COM_PORTS[1], clock_divisor);
+#endif
+}
+
+#endif /* CONFIG_MPSC */
+
+void serial_puts (const char *s)
+{
+ while (*s) {
+ serial_putc (*s++);
+ }
+}
+
+#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
+void kgdb_serial_init (void)
+{
+}
+
+void putDebugChar (int c)
+{
+ serial_putc (c);
+}
+
+void putDebugStr (const char *str)
+{
+ serial_puts (str);
+}
+
+int getDebugChar (void)
+{
+ return serial_getc ();
+}
+
+void kgdb_interruptible (int yes)
+{
+ return;
+}
+#endif /* CFG_CMD_KGDB */