1*89e3c2d2SAdrian Chadd /*- 2*89e3c2d2SAdrian Chadd * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3*89e3c2d2SAdrian Chadd * 4*89e3c2d2SAdrian Chadd * Copyright (c) 2022 Adrian Chadd <adrian@FreeBSD.org>. 5*89e3c2d2SAdrian Chadd * All rights reserved. 6*89e3c2d2SAdrian Chadd * 7*89e3c2d2SAdrian Chadd * Redistribution and use in source and binary forms, with or without 8*89e3c2d2SAdrian Chadd * modification, are permitted provided that the following conditions 9*89e3c2d2SAdrian Chadd * are met: 10*89e3c2d2SAdrian Chadd * 1. Redistributions of source code must retain the above copyright 11*89e3c2d2SAdrian Chadd * notice unmodified, this list of conditions, and the following 12*89e3c2d2SAdrian Chadd * disclaimer. 13*89e3c2d2SAdrian Chadd * 2. Redistributions in binary form must reproduce the above copyright 14*89e3c2d2SAdrian Chadd * notice, this list of conditions and the following disclaimer in the 15*89e3c2d2SAdrian Chadd * documentation and/or other materials provided with the distribution. 16*89e3c2d2SAdrian Chadd * 17*89e3c2d2SAdrian Chadd * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18*89e3c2d2SAdrian Chadd * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19*89e3c2d2SAdrian Chadd * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20*89e3c2d2SAdrian Chadd * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21*89e3c2d2SAdrian Chadd * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22*89e3c2d2SAdrian Chadd * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23*89e3c2d2SAdrian Chadd * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24*89e3c2d2SAdrian Chadd * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25*89e3c2d2SAdrian Chadd * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26*89e3c2d2SAdrian Chadd * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27*89e3c2d2SAdrian Chadd * SUCH DAMAGE. 28*89e3c2d2SAdrian Chadd */ 29*89e3c2d2SAdrian Chadd 30*89e3c2d2SAdrian Chadd #ifndef __W25NREG_H__ 31*89e3c2d2SAdrian Chadd #define __W25NREG_H__ 32*89e3c2d2SAdrian Chadd 33*89e3c2d2SAdrian Chadd /* 34*89e3c2d2SAdrian Chadd * Commands 35*89e3c2d2SAdrian Chadd */ 36*89e3c2d2SAdrian Chadd #define CMD_READ_STATUS 0x05 37*89e3c2d2SAdrian Chadd #define CMD_FAST_READ 0x0B 38*89e3c2d2SAdrian Chadd #define CMD_PAGE_DATA_READ 0x13 39*89e3c2d2SAdrian Chadd #define CMD_READ_IDENT 0x9F 40*89e3c2d2SAdrian Chadd #define CMD_LAST_ECC_FAILURE 0xA9 41*89e3c2d2SAdrian Chadd #define CMD_BLOCK_ERAS 0xD8 42*89e3c2d2SAdrian Chadd 43*89e3c2d2SAdrian Chadd /* 44*89e3c2d2SAdrian Chadd * Three status registers - 0xAx, 0xBx, 0xCx. 45*89e3c2d2SAdrian Chadd * 46*89e3c2d2SAdrian Chadd * status register 1 (0xA0) is for protection config/status 47*89e3c2d2SAdrian Chadd * status register 2 (0xB0) is for configuration config/status 48*89e3c2d2SAdrian Chadd * status register 3 (0xC0) is for general status 49*89e3c2d2SAdrian Chadd */ 50*89e3c2d2SAdrian Chadd 51*89e3c2d2SAdrian Chadd #define STATUS_REG_1 0xA0 52*89e3c2d2SAdrian Chadd #define STATUS_REG_1_SRP1 0x10 53*89e3c2d2SAdrian Chadd #define STATUS_REG_1_WP_EN 0x20 54*89e3c2d2SAdrian Chadd #define STATUS_REG_1_TOP_BOTTOM_PROT 0x40 55*89e3c2d2SAdrian Chadd #define STATUS_REG_1_BP0 0x80 56*89e3c2d2SAdrian Chadd #define STATUS_REG_1_BP1 0x10 57*89e3c2d2SAdrian Chadd #define STATUS_REG_1_BP2 0x20 58*89e3c2d2SAdrian Chadd #define STATUS_REG_1_BP3 0x40 59*89e3c2d2SAdrian Chadd #define STATUS_REG_1_SRP0 0x80 60*89e3c2d2SAdrian Chadd 61*89e3c2d2SAdrian Chadd #define STATUS_REG_2 0xB0 62*89e3c2d2SAdrian Chadd #define STATUS_REG_2_BUF_EN 0x08 63*89e3c2d2SAdrian Chadd #define STATUS_REG_2_ECC_EN 0x10 64*89e3c2d2SAdrian Chadd #define STATUS_REG_2_SR1_LOCK 0x20 65*89e3c2d2SAdrian Chadd #define STATUS_REG_2_OTP_EN 0x40 66*89e3c2d2SAdrian Chadd #define STATUS_REG_2_OTP_L 0x80 67*89e3c2d2SAdrian Chadd 68*89e3c2d2SAdrian Chadd #define STATUS_REG_3 0xC0 69*89e3c2d2SAdrian Chadd #define STATUS_REG_3_BUSY 0x01 70*89e3c2d2SAdrian Chadd #define STATUS_REG_3_WRITE_EN_LATCH 0x02 71*89e3c2d2SAdrian Chadd #define STATUS_REG_3_ERASE_FAIL 0x04 72*89e3c2d2SAdrian Chadd #define STATUS_REG_3_PROGRAM_FAIL 0x08 73*89e3c2d2SAdrian Chadd #define STATUS_REG_3_ECC_STATUS_0 0x10 74*89e3c2d2SAdrian Chadd #define STATUS_REG_3_ECC_STATUS_1 0x20 75*89e3c2d2SAdrian Chadd #define STATUS_REG_3_ECC_STATUS_SHIFT 4 76*89e3c2d2SAdrian Chadd #define STATUS_REG_3_ECC_STATUS_MASK 0x03 77*89e3c2d2SAdrian Chadd #define STATUS_REG_3_BBM_LUT_FULL 0x40 78*89e3c2d2SAdrian Chadd 79*89e3c2d2SAdrian Chadd /* ECC status */ 80*89e3c2d2SAdrian Chadd #define STATUS_ECC_OK 0 81*89e3c2d2SAdrian Chadd #define STATUS_ECC_1BIT_OK 1 82*89e3c2d2SAdrian Chadd #define STATUS_ECC_2BIT_ERR 2 83*89e3c2d2SAdrian Chadd #define STATUS_ECC_2BIT_ERR_MULTIPAGE 3 84*89e3c2d2SAdrian Chadd 85*89e3c2d2SAdrian Chadd #endif /* __W25NREG_H__ */ 86