/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (C) 2005, Intec Automation Inc. * Copyright (C) 2014, Freescale Semiconductor, Inc. */ #ifndef __LINUX_MTD_SFDP_H #define __LINUX_MTD_SFDP_H /* SFDP revisions */ #define SFDP_JESD216_MAJOR … #define SFDP_JESD216_MINOR … #define SFDP_JESD216A_MINOR … #define SFDP_JESD216B_MINOR … /* SFDP DWORDS are indexed from 1 but C arrays are indexed from 0. */ #define SFDP_DWORD(i) … #define SFDP_MASK_CHECK(dword, mask) … /* Basic Flash Parameter Table */ /* JESD216 rev D defines a Basic Flash Parameter Table of 20 DWORDs. */ #define BFPT_DWORD_MAX … struct sfdp_bfpt { … }; /* The first version of JESD216 defined only 9 DWORDs. */ #define BFPT_DWORD_MAX_JESD216 … #define BFPT_DWORD_MAX_JESD216B … /* 1st DWORD. */ #define BFPT_DWORD1_FAST_READ_1_1_2 … #define BFPT_DWORD1_ADDRESS_BYTES_MASK … #define BFPT_DWORD1_ADDRESS_BYTES_3_ONLY … #define BFPT_DWORD1_ADDRESS_BYTES_3_OR_4 … #define BFPT_DWORD1_ADDRESS_BYTES_4_ONLY … #define BFPT_DWORD1_DTR … #define BFPT_DWORD1_FAST_READ_1_2_2 … #define BFPT_DWORD1_FAST_READ_1_4_4 … #define BFPT_DWORD1_FAST_READ_1_1_4 … /* 5th DWORD. */ #define BFPT_DWORD5_FAST_READ_2_2_2 … #define BFPT_DWORD5_FAST_READ_4_4_4 … /* 11th DWORD. */ #define BFPT_DWORD11_PAGE_SIZE_SHIFT … #define BFPT_DWORD11_PAGE_SIZE_MASK … /* 15th DWORD. */ /* * (from JESD216 rev B) * Quad Enable Requirements (QER): * - 000b: Device does not have a QE bit. Device detects 1-1-4 and 1-4-4 * reads based on instruction. DQ3/HOLD# functions are hold during * instruction phase. * - 001b: QE is bit 1 of status register 2. It is set via Write Status with * two data bytes where bit 1 of the second byte is one. * [...] * Writing only one byte to the status register has the side-effect of * clearing status register 2, including the QE bit. The 100b code is * used if writing one byte to the status register does not modify * status register 2. * - 010b: QE is bit 6 of status register 1. It is set via Write Status with * one data byte where bit 6 is one. * [...] * - 011b: QE is bit 7 of status register 2. It is set via Write status * register 2 instruction 3Eh with one data byte where bit 7 is one. * [...] * The status register 2 is read using instruction 3Fh. * - 100b: QE is bit 1 of status register 2. It is set via Write Status with * two data bytes where bit 1 of the second byte is one. * [...] * In contrast to the 001b code, writing one byte to the status * register does not modify status register 2. * - 101b: QE is bit 1 of status register 2. Status register 1 is read using * Read Status instruction 05h. Status register2 is read using * instruction 35h. QE is set via Write Status instruction 01h with * two data bytes where bit 1 of the second byte is one. * [...] */ #define BFPT_DWORD15_QER_MASK … #define BFPT_DWORD15_QER_NONE … #define BFPT_DWORD15_QER_SR2_BIT1_BUGGY … #define BFPT_DWORD15_QER_SR1_BIT6 … #define BFPT_DWORD15_QER_SR2_BIT7 … #define BFPT_DWORD15_QER_SR2_BIT1_NO_RD … #define BFPT_DWORD15_QER_SR2_BIT1 … #define BFPT_DWORD16_EN4B_MASK … #define BFPT_DWORD16_EN4B_ALWAYS_4B … #define BFPT_DWORD16_EN4B_4B_OPCODES … #define BFPT_DWORD16_EN4B_16BIT_NV_CR … #define BFPT_DWORD16_EN4B_BRWR … #define BFPT_DWORD16_EN4B_WREAR … #define BFPT_DWORD16_EN4B_WREN_EN4B … #define BFPT_DWORD16_EN4B_EN4B … #define BFPT_DWORD16_EX4B_MASK … #define BFPT_DWORD16_EX4B_16BIT_NV_CR … #define BFPT_DWORD16_EX4B_BRWR … #define BFPT_DWORD16_EX4B_WREAR … #define BFPT_DWORD16_EX4B_WREN_EX4B … #define BFPT_DWORD16_EX4B_EX4B … #define BFPT_DWORD16_4B_ADDR_MODE_MASK … #define BFPT_DWORD16_4B_ADDR_MODE_16BIT_NV_CR … #define BFPT_DWORD16_4B_ADDR_MODE_BRWR … #define BFPT_DWORD16_4B_ADDR_MODE_WREAR … #define BFPT_DWORD16_4B_ADDR_MODE_WREN_EN4B_EX4B … #define BFPT_DWORD16_4B_ADDR_MODE_EN4B_EX4B … #define BFPT_DWORD16_SWRST_EN_RST … #define BFPT_DWORD17_RD_1_1_8_CMD … #define BFPT_DWORD17_RD_1_1_8_MODE_CLOCKS … #define BFPT_DWORD17_RD_1_1_8_WAIT_STATES … #define BFPT_DWORD17_RD_1_8_8_CMD … #define BFPT_DWORD17_RD_1_8_8_MODE_CLOCKS … #define BFPT_DWORD17_RD_1_8_8_WAIT_STATES … #define BFPT_DWORD18_CMD_EXT_MASK … #define BFPT_DWORD18_CMD_EXT_REP … #define BFPT_DWORD18_CMD_EXT_INV … #define BFPT_DWORD18_CMD_EXT_RES … #define BFPT_DWORD18_CMD_EXT_16B … struct sfdp_parameter_header { … }; #endif /* __LINUX_MTD_SFDP_H */
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