blob: a1696d37e6c46c96548b316f6a2860fbb37ab5c8 (
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
|
/*
* (C) Copyright 2000-2004
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* 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
*
*
* Atapted for ppc4XX by Denis Peter
*/
#include <common.h>
#include <commproc.h>
#include <asm/io.h>
#if defined(CONFIG_POST) || defined(CONFIG_LOGBUFFER)
#if defined(CONFIG_SYS_POST_WORD_ADDR)
# define _POST_ADDR ((CONFIG_SYS_OCM_DATA_ADDR) + (CONFIG_SYS_POST_WORD_ADDR))
#elif defined(CONFIG_SYS_POST_ALT_WORD_ADDR)
# define _POST_ADDR (CONFIG_SYS_POST_ALT_WORD_ADDR)
#endif
void post_word_store (ulong a)
{
volatile void *save_addr = (volatile void *)(_POST_ADDR);
out_be32(save_addr, a);
}
ulong post_word_load (void)
{
volatile void *save_addr = (volatile void *)(_POST_ADDR);
return in_be32(save_addr);
}
#endif /* CONFIG_POST || CONFIG_LOGBUFFER*/
#ifdef CONFIG_BOOTCOUNT_LIMIT
void bootcount_store (ulong a)
{
volatile ulong *save_addr =
(volatile ulong *)(CONFIG_SYS_OCM_DATA_ADDR + CONFIG_SYS_BOOTCOUNT_ADDR);
save_addr[0] = a;
save_addr[1] = BOOTCOUNT_MAGIC;
}
ulong bootcount_load (void)
{
volatile ulong *save_addr =
(volatile ulong *)(CONFIG_SYS_OCM_DATA_ADDR + CONFIG_SYS_BOOTCOUNT_ADDR);
if (save_addr[1] != BOOTCOUNT_MAGIC)
return 0;
else
return save_addr[0];
}
#endif /* CONFIG_BOOTCOUNT_LIMIT */
|
