[people/ms/u-boot.git] / common / env_nowhere.c

/*
 * (C) Copyright 2000-2010
 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
 *
 * (C) Copyright 2001 Sysgo Real-Time Solutions, GmbH <www.elinos.com>
 * Andreas Heppel <aheppel@sysgo.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
 */

#include <common.h>
#include <command.h>
#include <environment.h>
#include <linux/stddef.h>

DECLARE_GLOBAL_DATA_PTR;

env_t *env_ptr = NULL;

extern uchar default_environment[];

void env_relocate_spec(void)
{
}

uchar env_get_char_spec(int index)
{
	return ( *((uchar *)(gd->env_addr + index)) );
}

/*
 * Initialize Environment use
 *
 * We are still running from ROM, so data use is limited
 */
int env_init(void)
{
	gd->env_addr  = (ulong)&default_environment[0];
	gd->env_valid = 0;

	return (0);
}
Commit	Line	Data
	1	/*
	2	* (C) Copyright 2000-2010
	3	* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
	4	*
	5	* (C) Copyright 2001 Sysgo Real-Time Solutions, GmbH <www.elinos.com>
	6	* Andreas Heppel <aheppel@sysgo.de>
	7
	8	* See file CREDITS for list of people who contributed to this
	9	* project.
	10	*
	11	* This program is free software; you can redistribute it and/or
	12	* modify it under the terms of the GNU General Public License as
	13	* published by the Free Software Foundation; either version 2 of
	14	* the License, or (at your option) any later version.
	15	*
	16	* This program is distributed in the hope that it will be useful,
	17	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	18	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	19	* GNU General Public License for more details.
	20	*
	21	* You should have received a copy of the GNU General Public License
	22	* along with this program; if not, write to the Free Software
	23	* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
	24	* MA 02111-1307 USA
	25	*/
	26
	27	#include <common.h>
	28	#include <command.h>
	29	#include <environment.h>
	30	#include <linux/stddef.h>
	31
	32	DECLARE_GLOBAL_DATA_PTR;
	33
	34	env_t *env_ptr = NULL;
	35
	36	extern uchar default_environment[];
	37
	38	void env_relocate_spec(void)
	39	{
	40	}
	41
	42	uchar env_get_char_spec(int index)
	43	{
	44	return ( ((uchar )(gd->env_addr + index)) );
	45	}
	46
	47	/*
	48	* Initialize Environment use
	49	*
	50	* We are still running from ROM, so data use is limited
	51	*/
	52	int env_init(void)
	53	{
	54	gd->env_addr = (ulong)&default_environment[0];
	55	gd->env_valid = 0;
	56
	57	return (0);
	58	}