wdenk | 0bc4a1a | 2002-09-18 11:09:59 +0000 | [diff] [blame] | 1 | /* |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 2 | * (C) Copyright 2000-2010 |
wdenk | 0bc4a1a | 2002-09-18 11:09:59 +0000 | [diff] [blame] | 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> |
wdenk | 0bc4a1a | 2002-09-18 11:09:59 +0000 | [diff] [blame] | 28 | #include <command.h> |
| 29 | #include <environment.h> |
| 30 | #include <linux/stddef.h> |
wdenk | 0bc4a1a | 2002-09-18 11:09:59 +0000 | [diff] [blame] | 31 | |
Wolfgang Denk | d87080b | 2006-03-31 18:32:53 +0200 | [diff] [blame] | 32 | DECLARE_GLOBAL_DATA_PTR; |
| 33 | |
wdenk | 0bc4a1a | 2002-09-18 11:09:59 +0000 | [diff] [blame] | 34 | env_t *env_ptr = NULL; |
| 35 | |
| 36 | extern uchar default_environment[]; |
wdenk | 0bc4a1a | 2002-09-18 11:09:59 +0000 | [diff] [blame] | 37 | |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 38 | void env_relocate_spec(void) |
wdenk | 0bc4a1a | 2002-09-18 11:09:59 +0000 | [diff] [blame] | 39 | { |
| 40 | } |
| 41 | |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 42 | uchar env_get_char_spec(int index) |
wdenk | 0bc4a1a | 2002-09-18 11:09:59 +0000 | [diff] [blame] | 43 | { |
wdenk | 0bc4a1a | 2002-09-18 11:09:59 +0000 | [diff] [blame] | 44 | return ( *((uchar *)(gd->env_addr + index)) ); |
| 45 | } |
| 46 | |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 47 | /* |
wdenk | 0bc4a1a | 2002-09-18 11:09:59 +0000 | [diff] [blame] | 48 | * Initialize Environment use |
| 49 | * |
| 50 | * We are still running from ROM, so data use is limited |
| 51 | */ |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 52 | int env_init(void) |
wdenk | 0bc4a1a | 2002-09-18 11:09:59 +0000 | [diff] [blame] | 53 | { |
wdenk | 0bc4a1a | 2002-09-18 11:09:59 +0000 | [diff] [blame] | 54 | gd->env_addr = (ulong)&default_environment[0]; |
| 55 | gd->env_valid = 0; |
| 56 | |
| 57 | return (0); |
| 58 | } |