2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2009, Oleksandr Tymoshenko <gonzo@FreeBSD.org>
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice unmodified, this list of conditions, and the following
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.
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
32 #ifndef __MX25LREG_H__
33 #define __MX25LREG_H__
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
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
53 /* Quad 4B-addressing operations. */
54 #define CMD_QUAD_SECTOR_ERASE 0xDC
55 #define CMD_QUAD_PAGE_PROGRAM 0x34
56 #define CMD_READ_4B_QUAD_OUTPUT 0x6C
59 * Status register flags
61 #define STATUS_SRWD (1 << 7)
62 #define STATUS_BP2 (1 << 4)
63 #define STATUS_BP1 (1 << 3)
64 #define STATUS_BP0 (1 << 2)
65 #define STATUS_WEL (1 << 1)
66 #define STATUS_WIP (1 << 0)
68 #define FLASH_PAGE_SIZE 256
70 #endif /* __MX25LREG_H__ */