Merge branch 'avr32-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/hskinnemo...
[linux-2.6] / arch / powerpc / boot / ofconsole.c
1 /*
2  * OF console routines
3  *
4  * Copyright (C) Paul Mackerras 1997.
5  *
6  * This program is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU General Public License
8  * as published by the Free Software Foundation; either version
9  * 2 of the License, or (at your option) any later version.
10  */
11 #include <stddef.h>
12 #include "types.h"
13 #include "elf.h"
14 #include "string.h"
15 #include "stdio.h"
16 #include "page.h"
17 #include "ops.h"
18
19 #include "of.h"
20
21 static void *of_stdout_handle;
22
23 static int of_console_open(void)
24 {
25         void *devp;
26
27         if (((devp = of_finddevice("/chosen")) != NULL)
28             && (of_getprop(devp, "stdout", &of_stdout_handle,
29                            sizeof(of_stdout_handle))
30                 == sizeof(of_stdout_handle)))
31                 return 0;
32
33         return -1;
34 }
35
36 static void of_console_write(const char *buf, int len)
37 {
38         of_call_prom("write", 3, 1, of_stdout_handle, buf, len);
39 }
40
41 void of_console_init(void)
42 {
43         console_ops.open = of_console_open;
44         console_ops.write = of_console_write;
45 }