2 * (C) Copyright 2000-2004
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 * See file CREDITS for list of people who contributed to this
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
24 * Atapted for ppc4XX by Denis Peter
31 #if defined(CONFIG_POST) || defined(CONFIG_LOGBUFFER)
33 void post_word_store (ulong a)
35 volatile void *save_addr = (volatile void *)(CFG_OCM_DATA_ADDR + CFG_POST_WORD_ADDR);
36 *(volatile ulong *) save_addr = a;
39 ulong post_word_load (void)
41 volatile void *save_addr = (volatile void *)(CFG_OCM_DATA_ADDR + CFG_POST_WORD_ADDR);
42 return *(volatile ulong *) save_addr;
45 #endif /* CONFIG_POST || CONFIG_LOGBUFFER*/
47 #ifdef CONFIG_BOOTCOUNT_LIMIT
49 void bootcount_store (ulong a)
51 volatile ulong *save_addr =
52 (volatile ulong *)(CFG_OCM_DATA_ADDR + CFG_BOOTCOUNT_ADDR);
55 save_addr[1] = BOOTCOUNT_MAGIC;
58 ulong bootcount_load (void)
60 volatile ulong *save_addr =
61 (volatile ulong *)(CFG_OCM_DATA_ADDR + CFG_BOOTCOUNT_ADDR);
63 if (save_addr[1] != BOOTCOUNT_MAGIC)
69 #endif /* CONFIG_BOOTCOUNT_LIMIT */