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/*
* (C) Copyright 2011-2012 Freescale Semiconductor, Inc.
*
* 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
*/
/* #define DEBUG */
#include <common.h>
#include <command.h>
#include <environment.h>
#include <linux/stddef.h>
char *env_name_spec = "Remote";
#ifdef ENV_IS_EMBEDDED
env_t *env_ptr = &environment;
#else /* ! ENV_IS_EMBEDDED */
env_t *env_ptr = (env_t *)CONFIG_ENV_ADDR;
#endif /* ENV_IS_EMBEDDED */
DECLARE_GLOBAL_DATA_PTR;
#if !defined(CONFIG_ENV_OFFSET)
#define CONFIG_ENV_OFFSET 0
#endif
uchar env_get_char_spec(int index)
{
return *((uchar *)(gd->env_addr + index));
}
int env_init(void)
{
if (crc32(0, env_ptr->data, ENV_SIZE) == env_ptr->crc) {
gd->env_addr = (ulong)&(env_ptr->data);
gd->env_valid = 1;
return 0;
}
gd->env_addr = (ulong)default_environment;
gd->env_valid = 0;
return 0;
}
#ifdef CONFIG_CMD_SAVEENV
int saveenv(void)
{
#ifdef CONFIG_SRIOBOOT_SLAVE
printf("Can not support the 'saveenv' when boot from SRIO!\n");
return 1;
#else
return 0;
#endif
}
#endif /* CONFIG_CMD_SAVEENV */
void env_relocate_spec(void)
{
#ifndef ENV_IS_EMBEDDED
env_import((char *)env_ptr, 1);
#endif
}