82 lines
2.7 KiB
C
82 lines
2.7 KiB
C
/*
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* Generic/SFDP Flash Commands and Device Capabilities
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*
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* Copyright (C) 2013 Lee Jones <lee.jones@lianro.org>
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*
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* This code is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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*/
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#ifndef _MTD_SERIAL_FLASH_CMDS_H
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#define _MTD_SERIAL_FLASH_CMDS_H
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/* Generic Flash Commands/OPCODEs */
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#define FLASH_CMD_WREN 0x06
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#define FLASH_CMD_WRDI 0x04
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#define FLASH_CMD_RDID 0x9f
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#define FLASH_CMD_RDSR 0x05
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#define FLASH_CMD_RDSR2 0x35
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#define FLASH_CMD_WRSR 0x01
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#define FLASH_CMD_SE_4K 0x20
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#define FLASH_CMD_SE_32K 0x52
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#define FLASH_CMD_SE 0xd8
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#define FLASH_CMD_CHIPERASE 0xc7
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#define FLASH_CMD_WRVCR 0x81
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#define FLASH_CMD_RDVCR 0x85
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/* JEDEC Standard - Serial Flash Discoverable Parmeters (SFDP) Commands */
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#define FLASH_CMD_READ 0x03 /* READ */
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#define FLASH_CMD_READ_FAST 0x0b /* FAST READ */
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#define FLASH_CMD_READ_1_1_2 0x3b /* DUAL OUTPUT READ */
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#define FLASH_CMD_READ_1_2_2 0xbb /* DUAL I/O READ */
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#define FLASH_CMD_READ_1_1_4 0x6b /* QUAD OUTPUT READ */
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#define FLASH_CMD_READ_1_4_4 0xeb /* QUAD I/O READ */
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#define FLASH_CMD_WRITE 0x02 /* PAGE PROGRAM */
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#define FLASH_CMD_WRITE_1_1_2 0xa2 /* DUAL INPUT PROGRAM */
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#define FLASH_CMD_WRITE_1_2_2 0xd2 /* DUAL INPUT EXT PROGRAM */
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#define FLASH_CMD_WRITE_1_1_4 0x32 /* QUAD INPUT PROGRAM */
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#define FLASH_CMD_WRITE_1_4_4 0x12 /* QUAD INPUT EXT PROGRAM */
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#define FLASH_CMD_EN4B_ADDR 0xb7 /* Enter 4-byte address mode */
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#define FLASH_CMD_EX4B_ADDR 0xe9 /* Exit 4-byte address mode */
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/* READ commands with 32-bit addressing */
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#define FLASH_CMD_READ4 0x13
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#define FLASH_CMD_READ4_FAST 0x0c
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#define FLASH_CMD_READ4_1_1_2 0x3c
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#define FLASH_CMD_READ4_1_2_2 0xbc
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#define FLASH_CMD_READ4_1_1_4 0x6c
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#define FLASH_CMD_READ4_1_4_4 0xec
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/* Configuration flags */
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#define FLASH_FLAG_SINGLE 0x000000ff
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#define FLASH_FLAG_READ_WRITE 0x00000001
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#define FLASH_FLAG_READ_FAST 0x00000002
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#define FLASH_FLAG_SE_4K 0x00000004
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#define FLASH_FLAG_SE_32K 0x00000008
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#define FLASH_FLAG_CE 0x00000010
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#define FLASH_FLAG_32BIT_ADDR 0x00000020
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#define FLASH_FLAG_RESET 0x00000040
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#define FLASH_FLAG_DYB_LOCKING 0x00000080
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#define FLASH_FLAG_DUAL 0x0000ff00
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#define FLASH_FLAG_READ_1_1_2 0x00000100
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#define FLASH_FLAG_READ_1_2_2 0x00000200
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#define FLASH_FLAG_READ_2_2_2 0x00000400
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#define FLASH_FLAG_WRITE_1_1_2 0x00001000
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#define FLASH_FLAG_WRITE_1_2_2 0x00002000
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#define FLASH_FLAG_WRITE_2_2_2 0x00004000
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#define FLASH_FLAG_QUAD 0x00ff0000
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#define FLASH_FLAG_READ_1_1_4 0x00010000
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#define FLASH_FLAG_READ_1_4_4 0x00020000
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#define FLASH_FLAG_READ_4_4_4 0x00040000
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#define FLASH_FLAG_WRITE_1_1_4 0x00100000
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#define FLASH_FLAG_WRITE_1_4_4 0x00200000
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#define FLASH_FLAG_WRITE_4_4_4 0x00400000
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#endif /* _MTD_SERIAL_FLASH_CMDS_H */
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