summaryrefslogtreecommitdiffstats
path: root/board/ml2/serial.c
blob: 92baba927598a914ba308d9e45eccab1979bd31e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
/*
 * (C) Copyright 2002
 * Peter De Schrijver (p2@mind.be), Mind Linux Solutions, NV.
 *
 * 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 <asm/u-boot.h>
#include <asm/processor.h>
#include <common.h>
#include <command.h>
#include <configs/ML2.h>

#if (defined CFG_INIT_CHAN1) || (defined CFG_INIT_CHAN2)
#include <ns16550.h>
#endif

#if 0
#include "serial.h"
#endif

#if (defined CFG_INIT_CHAN1) || (defined CFG_INIT_CHAN2)
const NS16550_t COM_PORTS[] = { (NS16550_t) CFG_NS16550_COM1,
				(NS16550_t) CFG_NS16550_COM2 };
#endif

int
serial_init (void)
{
		DECLARE_GLOBAL_DATA_PTR;

	    int clock_divisor = CFG_NS16550_CLK / 16 / gd->baudrate;

#ifdef CFG_INIT_CHAN1
	    (void)NS16550_init(COM_PORTS[0], clock_divisor);
#endif
#ifdef CFG_INIT_CHAN2
	    (void)NS16550_init(COM_PORTS[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 = CFG_NS16550_CLK / 16 / 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
}

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	*/
OpenPOWER on IntegriCloud