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  * SPDX-License-Identifier:     GPL-2.0+
   9  */
  10
  11 #include <common.h>
  12 #include <command.h>
  13 #include <environment.h>
  14 #include <linux/stddef.h>
  15
  16 DECLARE_GLOBAL_DATA_PTR;
  17
  18 env_t *env_ptr;
  19
  20 void env_relocate_spec(void)
  21 {
  22 }
  23
  24 /*
  25  * Initialize Environment use
  26  *
  27  * We are still running from ROM, so data use is limited
  28  */
  29 int env_init(void)
  30 {
  31         gd->env_addr    = (ulong)&default_environment[0];
  32         gd->env_valid   = 0;
  33
  34         return 0;
  35 }
  36
  37 U_BOOT_ENV_LOCATION(nowhere) = {
  38         .location       = ENVL_NOWHERE,
  39         .load           = env_relocate_spec,
  40         .init           = env_init,
  41 };