projects / people / ms / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 0a85a9e7 LG |
1 | /* |
| 2 | * (C) Copyright 2011-2012 Freescale Semiconductor, Inc. | |
| 3 | * | |
| 3765b3e7 | 4 | * SPDX-License-Identifier: GPL-2.0+ |
| 0a85a9e7 LG |
5 | */ |
| 6 | ||
| 7 | /* #define DEBUG */ | |
| 8 | ||
| 9 | #include <common.h> | |
| 10 | #include <command.h> | |
| 11 | #include <environment.h> | |
| 12 | #include <linux/stddef.h> | |
| 13 | ||
| 14 | char *env_name_spec = "Remote"; | |
| 15 | ||
| 16 | #ifdef ENV_IS_EMBEDDED | |
| 17 | env_t *env_ptr = &environment; | |
| 18 | #else /* ! ENV_IS_EMBEDDED */ | |
| 19 | env_t *env_ptr = (env_t *)CONFIG_ENV_ADDR; | |
| 20 | #endif /* ENV_IS_EMBEDDED */ | |
| 21 | ||
| 22 | DECLARE_GLOBAL_DATA_PTR; | |
| 23 | ||
| 24 | #if !defined(CONFIG_ENV_OFFSET) | |
| 25 | #define CONFIG_ENV_OFFSET 0 | |
| 26 | #endif | |
| 27 | ||
| 0a85a9e7 LG |
28 | int env_init(void) |
| 29 | { | |
| 30 | if (crc32(0, env_ptr->data, ENV_SIZE) == env_ptr->crc) { | |
| 31 | gd->env_addr = (ulong)&(env_ptr->data); | |
| 32 | gd->env_valid = 1; | |
| 33 | return 0; | |
| 34 | } | |
| 35 | ||
| 36 | gd->env_addr = (ulong)default_environment; | |
| 37 | gd->env_valid = 0; | |
| 38 | return 0; | |
| 39 | } | |
| 40 | ||
| 41 | #ifdef CONFIG_CMD_SAVEENV | |
| 42 | int saveenv(void) | |
| 43 | { | |
| 461632bd LG |
44 | #ifdef CONFIG_SRIO_PCIE_BOOT_SLAVE |
| 45 | printf("Can not support the 'saveenv' when boot from SRIO or PCIE!\n"); | |
| 0a85a9e7 LG |
46 | return 1; |
| 47 | #else | |
| 48 | return 0; | |
| 49 | #endif | |
| 50 | } | |
| 51 | #endif /* CONFIG_CMD_SAVEENV */ | |
| 52 | ||
| 53 | void env_relocate_spec(void) | |
| 54 | { | |
| 55 | #ifndef ENV_IS_EMBEDDED | |
| 56 | env_import((char *)env_ptr, 1); | |
| 57 | #endif | |
| 58 | } |