mx25lreg.h revision 330897 
1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2009, Oleksandr Tymoshenko <gonzo@FreeBSD.org>
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice unmodified, this list of conditions, and the following
12 *    disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * $FreeBSD: stable/11/sys/dev/flash/mx25lreg.h 330897 2018-03-14 03:19:51Z eadler $
30 */
31
32#ifndef __MX25LREG_H__
33#define __MX25LREG_H__
34
35/*
36 * Commands
37 */
38#define CMD_WRITE_ENABLE	0x06
39#define CMD_WRITE_DISABLE	0x04
40#define CMD_READ_IDENT		0x9F
41#define CMD_READ_STATUS		0x05
42#define CMD_WRITE_STATUS	0x01
43#define CMD_READ		0x03
44#define CMD_FAST_READ		0x0B
45#define CMD_PAGE_PROGRAM	0x02
46#define CMD_SECTOR_ERASE	0xD8
47#define CMD_BULK_ERASE		0xC7
48#define	CMD_BLOCK_4K_ERASE	0x20
49#define	CMD_BLOCK_32K_ERASE	0x52
50#define	CMD_ENTER_4B_MODE	0xB7
51#define	CMD_EXIT_4B_MODE	0xE9
52
53/*
54 * Status register flags
55 */
56#define	STATUS_SRWD	(1 << 7)
57#define	STATUS_BP2	(1 << 4)
58#define	STATUS_BP1	(1 << 3)
59#define	STATUS_BP0	(1 << 2)
60#define	STATUS_WEL	(1 << 1)
61#define	STATUS_WIP	(1 << 0)
62
63#define	FLASH_PAGE_SIZE	256
64
65#endif /* __MX25LREG_H__ */
66
67