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env/remote.c
1.18 KB
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/* * (C) Copyright 2011-2012 Freescale Semiconductor, Inc. * |
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* SPDX-License-Identifier: GPL-2.0+ |
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*/ /* #define DEBUG */ #include <common.h> #include <command.h> #include <environment.h> #include <linux/stddef.h> |
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#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 |
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static int env_remote_init(void) |
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{ if (crc32(0, env_ptr->data, ENV_SIZE) == env_ptr->crc) { gd->env_addr = (ulong)&(env_ptr->data); |
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gd->env_valid = ENV_VALID; |
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return 0; } |
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return -ENOENT; |
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} #ifdef CONFIG_CMD_SAVEENV |
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static int env_remote_save(void) |
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{ |
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#ifdef CONFIG_SRIO_PCIE_BOOT_SLAVE printf("Can not support the 'saveenv' when boot from SRIO or PCIE! "); |
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return 1; #else return 0; #endif } #endif /* CONFIG_CMD_SAVEENV */ |
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static int env_remote_load(void) |
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{ #ifndef ENV_IS_EMBEDDED |
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return env_import((char *)env_ptr, 1); |
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#endif |
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return 0; |
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} |
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U_BOOT_ENV_LOCATION(remote) = { .location = ENVL_REMOTE, |
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ENV_NAME("Remote") |
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.load = env_remote_load, .save = env_save_ptr(env_remote_save), .init = env_remote_init, |
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}; |