|
1
by Amit Kucheria, Amit Kucheria
[ Amit Kucheria ] |
1 |
/* Debugging stuff for the MN10300-based processors
|
2 |
*
|
|
3 |
* Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
|
|
4 |
* Written by David Howells (dhowells@redhat.com)
|
|
5 |
*
|
|
6 |
* This program is free software; you can redistribute it and/or
|
|
7 |
* modify it under the terms of the GNU General Public Licence
|
|
8 |
* as published by the Free Software Foundation; either version
|
|
9 |
* 2 of the Licence, or (at your option) any later version.
|
|
10 |
*/
|
|
11 |
#include <linux/sched.h> |
|
12 |
#include <asm/serial-regs.h> |
|
13 |
||
14 |
#undef MN10300_CONSOLE_ON_SERIO
|
|
15 |
||
16 |
/*
|
|
17 |
* write a string directly through one of the serial ports on-board the MN10300
|
|
18 |
*/
|
|
19 |
#ifdef MN10300_CONSOLE_ON_SERIO
|
|
20 |
void debug_to_serial_mnser(const char *p, int n) |
|
21 |
{
|
|
22 |
char ch; |
|
23 |
||
24 |
for (; n > 0; n--) { |
|
25 |
ch = *p++; |
|
26 |
||
27 |
#if MN10300_CONSOLE_ON_SERIO == 0
|
|
28 |
while (SC0STR & (SC01STR_TBF)) continue; |
|
29 |
SC0TXB = ch; |
|
30 |
while (SC0STR & (SC01STR_TBF)) continue; |
|
31 |
if (ch == 0x0a) { |
|
32 |
SC0TXB = 0x0d; |
|
33 |
while (SC0STR & (SC01STR_TBF)) continue; |
|
34 |
}
|
|
35 |
||
36 |
#elif MN10300_CONSOLE_ON_SERIO == 1
|
|
37 |
while (SC1STR & (SC01STR_TBF)) continue; |
|
38 |
SC1TXB = ch; |
|
39 |
while (SC1STR & (SC01STR_TBF)) continue; |
|
40 |
if (ch == 0x0a) { |
|
41 |
SC1TXB = 0x0d; |
|
42 |
while (SC1STR & (SC01STR_TBF)) continue; |
|
43 |
}
|
|
44 |
||
45 |
#elif MN10300_CONSOLE_ON_SERIO == 2
|
|
46 |
while (SC2STR & (SC2STR_TBF)) continue; |
|
47 |
SC2TXB = ch; |
|
48 |
while (SC2STR & (SC2STR_TBF)) continue; |
|
49 |
if (ch == 0x0a) { |
|
50 |
SC2TXB = 0x0d; |
|
51 |
while (SC2STR & (SC2STR_TBF)) continue; |
|
52 |
}
|
|
53 |
||
54 |
#endif
|
|
55 |
}
|
|
56 |
}
|
|
57 |
#endif
|
|
58 |