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/*
* (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(CFG_POST_ALT_WORD_ADDR)
void post_word_store (ulong a)
{
out_be32((void *)CFG_POST_ALT_WORD_ADDR, a);
}
ulong post_word_load (void)
{
return in_be32((void *)CFG_POST_ALT_WORD_ADDR);
}
#else /* CFG_POST_ALT_WORD_ADDR */
void post_word_store (ulong a)
{
volatile void *save_addr = (volatile void *)(CFG_OCM_DATA_ADDR + CFG_POST_WORD_ADDR);
*(volatile ulong *) save_addr = a;
}
ulong post_word_load (void)
{
volatile void *save_addr = (volatile void *)(CFG_OCM_DATA_ADDR + CFG_POST_WORD_ADDR);
return *(volatile ulong *) save_addr;
}
#endif /* CFG_POST_ALT_WORD_ADDR */
#endif /* CONFIG_POST || CONFIG_LOGBUFFER*/
#ifdef CONFIG_BOOTCOUNT_LIMIT
void bootcount_store (ulong a)
{
volatile ulong *save_addr =
(volatile ulong *)(CFG_OCM_DATA_ADDR + CFG_BOOTCOUNT_ADDR);
save_addr[0] = a;
save_addr[1] = BOOTCOUNT_MAGIC;
}
ulong bootcount_load (void)
{
volatile ulong *save_addr =
(volatile ulong *)(CFG_OCM_DATA_ADDR + CFG_BOOTCOUNT_ADDR);
if (save_addr[1] != BOOTCOUNT_MAGIC)
return 0;
else
return save_addr[0];
}
#endif /* CONFIG_BOOTCOUNT_LIMIT */
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