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
|
/*
* (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/types.h>
#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
DECLARE_GLOBAL_DATA_PTR;
#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)
{
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)
{
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 defined(CONFIG_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
|
