xref: /openbmc/u-boot/env/nowhere.c (revision e246b728)
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * (C) Copyright 2000-2010
4  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5  *
6  * (C) Copyright 2001 Sysgo Real-Time Solutions, GmbH <www.elinos.com>
7  * Andreas Heppel <aheppel@sysgo.de>
8  */
9 
10 #include <common.h>
11 #include <command.h>
12 #include <environment.h>
13 #include <linux/stddef.h>
14 
15 DECLARE_GLOBAL_DATA_PTR;
16 
17 /*
18  * Because we only ever have the default environment available we must mark
19  * it as invalid.
20  */
21 static int env_nowhere_init(void)
22 {
23 	gd->env_addr	= (ulong)&default_environment[0];
24 	gd->env_valid	= ENV_INVALID;
25 
26 	return 0;
27 }
28 
29 U_BOOT_ENV_LOCATION(nowhere) = {
30 	.location	= ENVL_NOWHERE,
31 	.init		= env_nowhere_init,
32 	ENV_NAME("nowhere")
33 };
34