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git.ipfire.org Git - people/ms/u-boot.git/blob - env/remote.c
2 * (C) Copyright 2011-2012 Freescale Semiconductor, Inc.
4 * SPDX-License-Identifier: GPL-2.0+
11 #include <environment.h>
12 #include <linux/stddef.h>
14 #ifdef ENV_IS_EMBEDDED
15 env_t
*env_ptr
= &environment
;
16 #else /* ! ENV_IS_EMBEDDED */
17 env_t
*env_ptr
= (env_t
*)CONFIG_ENV_ADDR
;
18 #endif /* ENV_IS_EMBEDDED */
20 DECLARE_GLOBAL_DATA_PTR
;
22 #if !defined(CONFIG_ENV_OFFSET)
23 #define CONFIG_ENV_OFFSET 0
26 static int env_remote_init(void)
28 if (crc32(0, env_ptr
->data
, ENV_SIZE
) == env_ptr
->crc
) {
29 gd
->env_addr
= (ulong
)&(env_ptr
->data
);
30 gd
->env_valid
= ENV_VALID
;
37 #ifdef CONFIG_CMD_SAVEENV
38 static int env_remote_save(void)
40 #ifdef CONFIG_SRIO_PCIE_BOOT_SLAVE
41 printf("Can not support the 'saveenv' when boot from SRIO or PCIE!\n");
47 #endif /* CONFIG_CMD_SAVEENV */
49 static void env_remote_load(void)
51 #ifndef ENV_IS_EMBEDDED
52 env_import((char *)env_ptr
, 1);
56 U_BOOT_ENV_LOCATION(remote
) = {
57 .location
= ENVL_REMOTE
,
59 .load
= env_remote_load
,
60 .save
= env_save_ptr(env_remote_save
),
61 .init
= env_remote_init
,