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wdenk0bc4a1a2002-09-18 11:09:59 +00001/*
Wolfgang Denkea882ba2010-06-20 23:33:59 +02002 * (C) Copyright 2000-2010
wdenk0bc4a1a2002-09-18 11:09:59 +00003 * 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>
wdenk0bc4a1a2002-09-18 11:09:59 +000028#include <command.h>
29#include <environment.h>
30#include <linux/stddef.h>
wdenk0bc4a1a2002-09-18 11:09:59 +000031
Wolfgang Denkd87080b2006-03-31 18:32:53 +020032DECLARE_GLOBAL_DATA_PTR;
33
Igor Grinbergdcfe6e62011-11-07 01:14:00 +000034env_t *env_ptr;
wdenk0bc4a1a2002-09-18 11:09:59 +000035
Wolfgang Denkea882ba2010-06-20 23:33:59 +020036void env_relocate_spec(void)
wdenk0bc4a1a2002-09-18 11:09:59 +000037{
38}
39
Wolfgang Denkea882ba2010-06-20 23:33:59 +020040uchar env_get_char_spec(int index)
wdenk0bc4a1a2002-09-18 11:09:59 +000041{
Igor Grinbergdcfe6e62011-11-07 01:14:00 +000042 return *((uchar *)(gd->env_addr + index));
wdenk0bc4a1a2002-09-18 11:09:59 +000043}
44
Wolfgang Denkea882ba2010-06-20 23:33:59 +020045/*
wdenk0bc4a1a2002-09-18 11:09:59 +000046 * Initialize Environment use
47 *
48 * We are still running from ROM, so data use is limited
49 */
Wolfgang Denkea882ba2010-06-20 23:33:59 +020050int env_init(void)
wdenk0bc4a1a2002-09-18 11:09:59 +000051{
Igor Grinbergdcfe6e62011-11-07 01:14:00 +000052 gd->env_addr = (ulong)&default_environment[0];
53 gd->env_valid = 0;
wdenk0bc4a1a2002-09-18 11:09:59 +000054
Igor Grinbergdcfe6e62011-11-07 01:14:00 +000055 return 0;
wdenk0bc4a1a2002-09-18 11:09:59 +000056}