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 * $FreeBSD$ 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_READ_DUAL_IO 0xBB 46 #define CMD_READ_QUAD_OUTPUT 0x6B 47 #define CMD_PAGE_PROGRAM 0x02 48 #define CMD_SECTOR_ERASE 0xD8 49 #define CMD_BULK_ERASE 0xC7 50 #define CMD_BLOCK_4K_ERASE 0x20 51 #define CMD_BLOCK_32K_ERASE 0x52 52 #define CMD_ENTER_4B_MODE 0xB7 53 #define CMD_EXIT_4B_MODE 0xE9 54 55 /* Quad 4B-addressing operations. */ 56 #define CMD_QUAD_SECTOR_ERASE 0xDC 57 #define CMD_QUAD_PAGE_PROGRAM 0x34 58 #define CMD_READ_4B_QUAD_OUTPUT 0x6C 59 60 /* 61 * Status register flags 62 */ 63 #define STATUS_SRWD (1 << 7) 64 #define STATUS_BP2 (1 << 4) 65 #define STATUS_BP1 (1 << 3) 66 #define STATUS_BP0 (1 << 2) 67 #define STATUS_WEL (1 << 1) 68 #define STATUS_WIP (1 << 0) 69 70 #define FLASH_PAGE_SIZE 256 71 72 #endif /* __MX25LREG_H__ */ 73 74