70 lines
2.4 KiB
C
70 lines
2.4 KiB
C
/*
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* dfs_uffs.h
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*
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* Created on: 2012-3-30
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* Author: prife
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*/
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#ifndef DFS_UFFS_H_
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#define DFS_UFFS_H_
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#include "uffs_config.h"
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#include "uffs/uffs_public.h"
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#define UFFS_BLOCK_MARK_SPARE_OFFSET 4 /* indicate block bad or good, offset in spare */
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#define RT_CONFIG_UFFS_ECC_MODE UFFS_ECC_SOFT
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/* enable this ,you need provide a mark_badblock/check_block funciton */
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#define RT_UFFS_USE_CHECK_MARK_FUNCITON
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#if RT_CONFIG_UFFS_ECC_MODE == UFFS_ECC_SOFT /* let uffs do soft ecc */
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#define RT_CONFIG_UFFS_LAYOUT UFFS_LAYOUT_UFFS /* UFFS_LAYOUT_FLASH */
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#define RT_CONFIG_UFFS_ECC_SIZE 0 /* if 0, then uffs will caculate a proper ecc size */
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#elif RT_CONFIG_UFFS_ECC_MODE == UFFS_ECC_HW_AUTO /* nand driver make ecc and do ecc correct */
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#define RT_CONFIG_UFFS_LAYOUT UFFS_LAYOUT_FLASH
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#define RT_CONFIG_UFFS_ECC_SIZE 4 /* if 0, then uffs will caculate a proper ecc size */
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#elif RT_CONFIG_UFFS_ECC_MODE == UFFS_ECC_NONE
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#define RT_CONFIG_UFFS_LAYOUT UFFS_LAYOUT_UFFS /* UFFS_LAYOUT_FLASH */
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#define RT_CONFIG_UFFS_ECC_SIZE 0 /* if 0, then uffs will caculate a proper ecc size */
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#else
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#error "uffs under rt-thread do not support this ECC mode"
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#endif
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#if (!CONFIG_USE_STATIC_MEMORY_ALLOCATOR) && (CONFIG_USE_SYSTEM_MEMORY_ALLOCATOR)
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#define RT_UFFS_MEMORY_ALLOCATOR 1 /* use system memory allocator */
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#elif (CONFIG_USE_STATIC_MEMORY_ALLOCATOR) && (!CONFIG_USE_SYSTEM_MEMORY_ALLOCATOR)
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#define RT_UFFS_MEMORY_ALLOCATOR 0 /* use static memory allocator */
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#else
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#error "UFFS: CONFIG_USE_STATIC_MEMORY_ALLOCATOR ,CONFIG_USE_SYSTEM_MEMORY_ALLOCATOR are invalid!"
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#endif
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#if CONFIG_USE_STATIC_MEMORY_ALLOCATOR > 0
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#error "dfs_uffs only support CONFIG_USE_SYSTEM_MEMORY_ALLOCATOR"
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#endif
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#if defined(CONFIG_UFFS_AUTO_LAYOUT_USE_MTD_SCHEME)
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#error "dfs_uffs not support CONFIG_UFFS_AUTO_LAYOUT_USE_MTD_SCHEME"
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#endif
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#if (RT_CONFIG_UFFS_ECC_MODE == UFFS_ECC_HW_AUTO) && (RT_CONFIG_UFFS_LAYOUT != UFFS_LAYOUT_FLASH)
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#error "when use UFFS_ECC_HW_AUTO, you must use UFFS_LAYOUT_FLASH"
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#elif (RT_CONFIG_UFFS_ECC_MODE == UFFS_ECC_SOFT) && (RT_CONFIG_UFFS_LAYOUT != UFFS_LAYOUT_UFFS)
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#warning "when use UFFS_ECC_SOFT, it is recommended to use UFFS_LAYOUT_UFFS"
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#endif
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extern const uffs_FlashOps nand_ops;
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extern void uffs_setup_storage(
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struct uffs_StorageAttrSt *attr,
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struct rt_mtd_nand_device * nand);
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#endif /* DFS_UFFS_H_ */
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