common/env_nowhere.c

   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 }