/*
   * (C) Copyright 2011-2012 Freescale Semiconductor, Inc.
   *

   * SPDX-License-Identifier:	GPL-2.0+

   */
  
  /* #define DEBUG */
  
  #include <common.h>
  #include <command.h>
  #include <environment.h>
  #include <linux/stddef.h>

  #ifdef ENV_IS_EMBEDDED
  env_t *env_ptr = &environment;
  #else /* ! ENV_IS_EMBEDDED */
  env_t *env_ptr = (env_t *)CONFIG_ENV_ADDR;
  #endif /* ENV_IS_EMBEDDED */
  
  DECLARE_GLOBAL_DATA_PTR;
  
  #if !defined(CONFIG_ENV_OFFSET)
  #define CONFIG_ENV_OFFSET 0
  #endif

  static int env_remote_init(void)

  {
  	if (crc32(0, env_ptr->data, ENV_SIZE) == env_ptr->crc) {
  		gd->env_addr = (ulong)&(env_ptr->data);

  		gd->env_valid = ENV_VALID;

  		return 0;
  	}

  	return -ENOENT;

  }
  
  #ifdef CONFIG_CMD_SAVEENV

  static int env_remote_save(void)

  {

  #ifdef CONFIG_SRIO_PCIE_BOOT_SLAVE
  	printf("Can not support the 'saveenv' when boot from SRIO or PCIE!
  ");

  	return 1;
  #else
  	return 0;
  #endif
  }
  #endif /* CONFIG_CMD_SAVEENV */

  static int env_remote_load(void)

  {
  #ifndef ENV_IS_EMBEDDED

  	return env_import((char *)env_ptr, 1);

  #endif

  
  	return 0;

  }

  
  U_BOOT_ENV_LOCATION(remote) = {
  	.location	= ENVL_REMOTE,

  	ENV_NAME("Remote")

  	.load		= env_remote_load,
  	.save		= env_save_ptr(env_remote_save),
  	.init		= env_remote_init,

  };