projects / thirdparty / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 83d290c5 | 1 | // SPDX-License-Identifier: GPL-2.0+ |
| 0a85a9e7 LG |
2 | /* |
| 3 | * (C) Copyright 2011-2012 Freescale Semiconductor, Inc. | |
| 0a85a9e7 LG |
4 | */ |
| 5 | ||
| 6 | /* #define DEBUG */ | |
| 7 | ||
| 8 | #include <common.h> | |
| 9 | #include <command.h> | |
| 10 | #include <environment.h> | |
| 11 | #include <linux/stddef.h> | |
| 12 | ||
| 0a85a9e7 LG |
13 | #ifdef ENV_IS_EMBEDDED |
| 14 | env_t *env_ptr = &environment; | |
| 15 | #else /* ! ENV_IS_EMBEDDED */ | |
| 16 | env_t *env_ptr = (env_t *)CONFIG_ENV_ADDR; | |
| 17 | #endif /* ENV_IS_EMBEDDED */ | |
| 18 | ||
| 19 | DECLARE_GLOBAL_DATA_PTR; | |
| 20 | ||
| 21 | #if !defined(CONFIG_ENV_OFFSET) | |
| 22 | #define CONFIG_ENV_OFFSET 0 | |
| 23 | #endif | |
| 24 | ||
| e5bce247 | 25 | static int env_remote_init(void) |
| 0a85a9e7 LG |
26 | { |
| 27 | if (crc32(0, env_ptr->data, ENV_SIZE) == env_ptr->crc) { | |
| 28 | gd->env_addr = (ulong)&(env_ptr->data); | |
| 203e94f6 | 29 | gd->env_valid = ENV_VALID; |
| 0a85a9e7 LG |
30 | return 0; |
| 31 | } | |
| 32 | ||
| 7938822a | 33 | return -ENOENT; |
| 0a85a9e7 LG |
34 | } |
| 35 | ||
| 36 | #ifdef CONFIG_CMD_SAVEENV | |
| e5bce247 | 37 | static int env_remote_save(void) |
| 0a85a9e7 | 38 | { |
| 461632bd LG |
39 | #ifdef CONFIG_SRIO_PCIE_BOOT_SLAVE |
| 40 | printf("Can not support the 'saveenv' when boot from SRIO or PCIE!\n"); | |
| 0a85a9e7 LG |
41 | return 1; |
| 42 | #else | |
| 43 | return 0; | |
| 44 | #endif | |
| 45 | } | |
| 46 | #endif /* CONFIG_CMD_SAVEENV */ | |
| 47 | ||
| c5951991 | 48 | static int env_remote_load(void) |
| 0a85a9e7 LG |
49 | { |
| 50 | #ifndef ENV_IS_EMBEDDED | |
| 2166ebf7 | 51 | return env_import((char *)env_ptr, 1); |
| 0a85a9e7 | 52 | #endif |
| c5951991 SG |
53 | |
| 54 | return 0; | |
| 0a85a9e7 | 55 | } |
| 4415f1d1 SG |
56 | |
| 57 | U_BOOT_ENV_LOCATION(remote) = { | |
| 58 | .location = ENVL_REMOTE, | |
| ac358beb | 59 | ENV_NAME("Remote") |
| e5bce247 SG |
60 | .load = env_remote_load, |
| 61 | .save = env_save_ptr(env_remote_save), | |
| 62 | .init = env_remote_init, | |
| 4415f1d1 | 63 | }; |