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kernel/linux-rt-4.4.41/drivers/mtd/devices/serial_flash_cmds.h 2.03 KB
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  /*
   * Generic/SFDP Flash Commands and Device Capabilities
   *
   * Copyright (C) 2013 Lee Jones <lee.jones@lianro.org>
   *
   * This code is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License version 2 as
   * published by the Free Software Foundation.
   *
   */
  
  #ifndef _MTD_SERIAL_FLASH_CMDS_H
  #define _MTD_SERIAL_FLASH_CMDS_H
  
  /* Generic Flash Commands/OPCODEs */
  #define SPINOR_OP_RDSR2		0x35
  #define SPINOR_OP_WRVCR		0x81
  #define SPINOR_OP_RDVCR		0x85
  
  /* JEDEC Standard - Serial Flash Discoverable Parmeters (SFDP) Commands */
  #define SPINOR_OP_READ_1_2_2	0xbb	/* DUAL I/O READ */
  #define SPINOR_OP_READ_1_4_4	0xeb	/* QUAD I/O READ */
  
  #define SPINOR_OP_WRITE		0x02	/* PAGE PROGRAM */
  #define SPINOR_OP_WRITE_1_1_2	0xa2	/* DUAL INPUT PROGRAM */
  #define SPINOR_OP_WRITE_1_2_2	0xd2	/* DUAL INPUT EXT PROGRAM */
  #define SPINOR_OP_WRITE_1_1_4	0x32	/* QUAD INPUT PROGRAM */
  #define SPINOR_OP_WRITE_1_4_4	0x12	/* QUAD INPUT EXT PROGRAM */
  
  /* READ commands with 32-bit addressing */
  #define SPINOR_OP_READ4_1_2_2	0xbc
  #define SPINOR_OP_READ4_1_4_4	0xec
  
  /* Configuration flags */
  #define FLASH_FLAG_SINGLE	0x000000ff
  #define FLASH_FLAG_READ_WRITE	0x00000001
  #define FLASH_FLAG_READ_FAST	0x00000002
  #define FLASH_FLAG_SE_4K	0x00000004
  #define FLASH_FLAG_SE_32K	0x00000008
  #define FLASH_FLAG_CE		0x00000010
  #define FLASH_FLAG_32BIT_ADDR	0x00000020
  #define FLASH_FLAG_RESET	0x00000040
  #define FLASH_FLAG_DYB_LOCKING	0x00000080
  
  #define FLASH_FLAG_DUAL		0x0000ff00
  #define FLASH_FLAG_READ_1_1_2	0x00000100
  #define FLASH_FLAG_READ_1_2_2	0x00000200
  #define FLASH_FLAG_READ_2_2_2	0x00000400
  #define FLASH_FLAG_WRITE_1_1_2	0x00001000
  #define FLASH_FLAG_WRITE_1_2_2	0x00002000
  #define FLASH_FLAG_WRITE_2_2_2	0x00004000
  
  #define FLASH_FLAG_QUAD		0x00ff0000
  #define FLASH_FLAG_READ_1_1_4	0x00010000
  #define FLASH_FLAG_READ_1_4_4	0x00020000
  #define FLASH_FLAG_READ_4_4_4	0x00040000
  #define FLASH_FLAG_WRITE_1_1_4	0x00100000
  #define FLASH_FLAG_WRITE_1_4_4	0x00200000
  #define FLASH_FLAG_WRITE_4_4_4	0x00400000
  
  #endif /* _MTD_SERIAL_FLASH_CMDS_H */