104 lines
3.6 KiB
C
104 lines
3.6 KiB
C
/*
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* File : dfs_uffs.h
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* This file is part of Device File System in RT-Thread RTOS
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* COPYRIGHT (C) 2004-2012, RT-Thread Development Team
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Change Logs:
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* Date Author Notes
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* 2012-03-30 prife the first version
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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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/* the UFFS ECC mode opitons */
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#ifndef RT_UFFS_ECC_MODE
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#define RT_UFFS_ECC_MODE 1
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#endif
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/*
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* RT_UFFS_ECC_MODE:
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* 0, Do not use ECC
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* 1, UFFS calculate the ECC
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* 2, Flash driver(or by hardware) calculate the ECC
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* 3, Hardware calculate the ECC and automatically write to spare.
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*/
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#if RT_UFFS_ECC_MODE == 0
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#define RT_CONFIG_UFFS_ECC_MODE UFFS_ECC_NONE
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#elif RT_UFFS_ECC_MODE == 1
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#define RT_CONFIG_UFFS_ECC_MODE UFFS_ECC_SOFT
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#elif RT_UFFS_ECC_MODE == 2
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#define RT_CONFIG_UFFS_ECC_MODE UFFS_ECC_HW
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#elif RT_UFFS_ECC_MODE == 3
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#define RT_CONFIG_UFFS_ECC_MODE UFFS_ECC_HW_AUTO
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#endif
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/* #define RT_CONFIG_UFFS_ECC_MODE UFFS_ECC_HW_AUTO */
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/* #define RT_CONFIG_UFFS_ECC_MODE UFFS_ECC_SOFT */
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/* #define RT_CONFIG_UFFS_ECC_MODE UFFS_ECC_NONE */
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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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#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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#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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#else
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#error "uffs under rt-thread do not support this ECC mode"
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#endif /* RT_CONFIG_UFFS_ECC_MODE */
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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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extern int dfs_uffs_init(void);
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#endif /* DFS_UFFS_H_ */
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