LXR uboot/common/env

   1/*
   2 * (C) Copyright 2000-2002
   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
  32DECLARE_GLOBAL_DATA_PTR;
  33
  34env_t *env_ptr = NULL;
  35
  36extern uchar default_environment[];
  37
  38
  39void env_relocate_spec (void)
  40{
  41}
  42
  43uchar env_get_char_spec (int index)
  44{
  45        return ( *((uchar *)(gd->env_addr + index)) );
  46}
  47
  48/************************************************************************
  49 * Initialize Environment use
  50 *
  51 * We are still running from ROM, so data use is limited
  52 */
  53int  env_init(void)
  54{
  55        gd->env_addr  = (ulong)&default_environment[0];
  56        gd->env_valid = 0;
  57
  58        return (0);
  59}
  60