1 /*
2 * (C) Copyright 2001
3 * Josh Huber <huber@mclx.com>, Mission Critical Linux, Inc.
4 *
5 * modified for marvell db64360 eval board by
6 * Ingo Assmus <ingo.assmus@keymile.com>
7 *
8 * modified for cpci750 board by
9 * Reinhard Arlt <reinhard.arlt@esd-electronics.com>
10 *
11 * See file CREDITS for list of people who contributed to this
12 * project.
13 *
14 * This program is free software; you can redistribute it and/or
15 * modify it under the terms of the GNU General Public License as
16 * published by the Free Software Foundation; either version 2 of
17 * the License, or (at your option) any later version.
18 *
19 * This program is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 * GNU General Public License for more details.
23 *
24 * You should have received a copy of the GNU General Public License
25 * along with this program; if not, write to the Free Software
26 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
27 * MA 02111-1307 USA
28 */
30 /*
31 * serial.c - serial support for esd cpci750 board
32 */
34 /* supports the MPSC */
36 #include <common.h>
37 #include <command.h>
38 #include <serial.h>
39 #include <linux/compiler.h>
41 #include "../../Marvell/include/memory.h"
42 #include "serial.h"
44 #include "mpsc.h"
46 DECLARE_GLOBAL_DATA_PTR;
48 static int p3mx_serial_init(void)
49 {
50 mpsc_init (gd->baudrate);
52 return (0);
53 }
55 static void p3mx_serial_putc(const char c)
56 {
57 if (c == '\n')
58 mpsc_putchar ('\r');
60 mpsc_putchar (c);
61 }
63 static int p3mx_serial_getc(void)
64 {
65 return mpsc_getchar ();
66 }
68 static int p3mx_serial_tstc(void)
69 {
70 return mpsc_test_char ();
71 }
73 static void p3mx_serial_setbrg(void)
74 {
75 galbrg_set_baudrate (CONFIG_MPSC_PORT, gd->baudrate);
76 }
78 static struct serial_device p3mx_serial_drv = {
79 .name = "p3mx_serial",
80 .start = p3mx_serial_init,
81 .stop = NULL,
82 .setbrg = p3mx_serial_setbrg,
83 .putc = p3mx_serial_putc,
84 .puts = default_serial_puts,
85 .getc = p3mx_serial_getc,
86 .tstc = p3mx_serial_tstc,
87 };
89 void p3mx_serial_initialize(void)
90 {
91 serial_register(&p3mx_serial_drv);
92 }
94 __weak struct serial_device *default_serial_console(void)
95 {
96 return &p3mx_serial_drv;
97 }
99 #if defined(CONFIG_CMD_KGDB)
100 void kgdb_serial_init (void)
101 {
102 }
104 void putDebugChar (int c)
105 {
106 serial_putc (c);
107 }
109 void putDebugStr (const char *str)
110 {
111 serial_puts (str);
112 }
114 int getDebugChar (void)
115 {
116 return serial_getc ();
117 }
119 void kgdb_interruptible (int yes)
120 {
121 return;
122 }
123 #endif