59 lines
2.2 KiB
C
59 lines
2.2 KiB
C
/* $NetBSD: nand_bbt.h,v 1.2 2011/04/04 14:25:10 ahoka Exp $ */
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/*-
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* Copyright (c) 2010 Department of Software Engineering,
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* University of Szeged, Hungary
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* Copyright (c) 2010 Adam Hoka <ahoka@NetBSD.org>
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by the Department of Software Engineering, University of Szeged, Hungary
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _NAND_BBT_H_
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#define _NAND_BBT_H_
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enum {
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NAND_BBT_MARKER_FACTORY_BAD = 0x00, /* 00 */
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NAND_BBT_MARKER_WORNOUT_BAD = 0x01, /* 01 */
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NAND_BBT_MARKER_RESERVED = 0x02, /* 10 */
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NAND_BBT_MARKER_GOOD = 0x03 /* 11 */
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};
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enum {
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NAND_BBT_OFFSET = 0x0e
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};
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void nand_bbt_init(device_t);
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void nand_bbt_detach(device_t);
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void nand_bbt_scan(device_t);
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bool nand_bbt_update(device_t);
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bool nand_bbt_load(device_t);
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void nand_bbt_block_mark(device_t, flash_off_t, uint8_t);
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void nand_bbt_block_markbad(device_t, flash_off_t);
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void nand_bbt_block_markfactorybad(device_t, flash_off_t);
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bool nand_bbt_block_isbad(device_t, flash_off_t);
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#endif
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