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72 lines
2.3 KiB
C
72 lines
2.3 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2009, Oleksandr Tymoshenko <gonzo@FreeBSD.org>
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* All rights reserved.
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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 unmodified, this list of conditions, and the following
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* 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 AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, 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 __MX25LREG_H__
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#define __MX25LREG_H__
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/*
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* Commands
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*/
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#define CMD_WRITE_ENABLE 0x06
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#define CMD_WRITE_DISABLE 0x04
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#define CMD_READ_IDENT 0x9F
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#define CMD_READ_STATUS 0x05
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#define CMD_WRITE_STATUS 0x01
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#define CMD_READ 0x03
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#define CMD_FAST_READ 0x0B
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#define CMD_READ_DUAL_IO 0xBB
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#define CMD_READ_QUAD_OUTPUT 0x6B
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#define CMD_PAGE_PROGRAM 0x02
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#define CMD_SECTOR_ERASE 0xD8
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#define CMD_BULK_ERASE 0xC7
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#define CMD_BLOCK_4K_ERASE 0x20
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#define CMD_BLOCK_32K_ERASE 0x52
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#define CMD_ENTER_4B_MODE 0xB7
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#define CMD_EXIT_4B_MODE 0xE9
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/* Quad 4B-addressing operations. */
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#define CMD_QUAD_SECTOR_ERASE 0xDC
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#define CMD_QUAD_PAGE_PROGRAM 0x34
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#define CMD_READ_4B_QUAD_OUTPUT 0x6C
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/*
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* Status register flags
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*/
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#define STATUS_SRWD (1 << 7)
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#define STATUS_BP2 (1 << 4)
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#define STATUS_BP1 (1 << 3)
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#define STATUS_BP0 (1 << 2)
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#define STATUS_WEL (1 << 1)
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#define STATUS_WIP (1 << 0)
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#define FLASH_PAGE_SIZE 256
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#endif /* __MX25LREG_H__ */
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