From f8cac651b33efa270e4dfa1292d01a3b5d7a62cf Mon Sep 17 00:00:00 2001
From: wdenk <wdenk>
Date: Mon, 26 Aug 2002 22:36:39 +0000
Subject: Initial revision

---
 board/pcippc2/sconsole.c | 141 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 141 insertions(+)
 create mode 100644 board/pcippc2/sconsole.c

(limited to 'board/pcippc2/sconsole.c')

diff --git a/board/pcippc2/sconsole.c b/board/pcippc2/sconsole.c
new file mode 100644
index 0000000..a9f2b29
--- /dev/null
+++ b/board/pcippc2/sconsole.c
@@ -0,0 +1,141 @@
+/*
+ * (C) Copyright 2002
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * 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 <config.h>
+#include <common.h>
+
+#include "sconsole.h"
+
+void	(*sconsole_putc) (char) = 0;
+void	(*sconsole_puts) (const char *) = 0;
+int	(*sconsole_getc) (void) = 0;
+int	(*sconsole_tstc) (void) = 0;
+void	(*sconsole_setbrg) (void) = 0;
+
+int serial_init (void)
+{
+	DECLARE_GLOBAL_DATA_PTR;
+
+	sconsole_buffer_t *sb = SCONSOLE_BUFFER;
+
+	sb->pos  = 0;
+	sb->size = 0;
+	sb->baud = gd->baudrate;
+	sb->max_size = CFG_SCONSOLE_SIZE - sizeof (sconsole_buffer_t);
+
+	return (0);
+}
+
+void serial_putc (char c)
+{
+	if (sconsole_putc) {
+		(*sconsole_putc) (c);
+	} else {
+		sconsole_buffer_t *sb = SCONSOLE_BUFFER;
+
+		if (c) {
+			sb->data[sb->pos++] = c;
+			if (sb->pos == sb->max_size) {
+				sb->pos = 0;
+			}
+			if (sb->size < sb->max_size) {
+				sb->size++;
+			}
+		}
+	}
+}
+
+void serial_puts (const char *s)
+{
+	if (sconsole_puts) {
+		(*sconsole_puts) (s);
+	} else {
+		sconsole_buffer_t *sb = SCONSOLE_BUFFER;
+
+		while (*s) {
+			sb->data[sb->pos++] = *s++;
+			if (sb->pos == sb->max_size) {
+				sb->pos = 0;
+			}
+			if (sb->size < sb->max_size) {
+				sb->size++;
+			}
+		}
+	}
+}
+
+int serial_getc (void)
+{
+	if (sconsole_getc) {
+		return (*sconsole_getc) ();
+	} else {
+		return 0;
+	}
+}
+
+int serial_tstc (void)
+{
+	if (sconsole_tstc) {
+		return (*sconsole_tstc) ();
+	} else {
+		return 0;
+	}
+}
+
+void serial_setbrg (void)
+{
+	DECLARE_GLOBAL_DATA_PTR;
+
+	if (sconsole_setbrg) {
+		(*sconsole_setbrg) ();
+	} else {
+		sconsole_buffer_t *sb = SCONSOLE_BUFFER;
+
+		sb->baud = gd->baudrate;
+	}
+}
+
+int sconsole_get_baudrate (void)
+{
+	sconsole_buffer_t *sb = SCONSOLE_BUFFER;
+
+	return sb->baud;
+}
+
+void sconsole_flush (void)
+{
+	if (sconsole_putc) {
+		sconsole_buffer_t *sb = SCONSOLE_BUFFER;
+		unsigned int end = sb->pos < sb->size
+				? sb->pos + sb->max_size - sb->size
+				: sb->pos - sb->size;
+
+		while (sb->size) {
+			(*sconsole_putc) (sb->data[end++]);
+			if (end == sb->max_size) {
+				end = 0;
+			}
+			sb->size--;
+		}
+	}
+}
-- 
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