kernel/drivers/mtd/devices/serial_flash_cmds.h

   1 /*
   2  * Generic/SFDP Flash Commands and Device Capabilities
   3  *
   4  * Copyright (C) 2013 Lee Jones <lee.jones@lianro.org>
   5  *
   6  * This code is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 as
   8  * published by the Free Software Foundation.
   9  *
  10  */
  11
  12 #ifndef _MTD_SERIAL_FLASH_CMDS_H
  13 #define _MTD_SERIAL_FLASH_CMDS_H
  14
  15 /* Generic Flash Commands/OPCODEs */
  16 #define SPINOR_OP_RDSR2         0x35
  17 #define SPINOR_OP_WRVCR         0x81
  18 #define SPINOR_OP_RDVCR         0x85
  19
  20 /* JEDEC Standard - Serial Flash Discoverable Parmeters (SFDP) Commands */
  21 #define SPINOR_OP_READ_1_2_2    0xbb    /* DUAL I/O READ */
  22 #define SPINOR_OP_READ_1_4_4    0xeb    /* QUAD I/O READ */
  23
  24 #define SPINOR_OP_WRITE         0x02    /* PAGE PROGRAM */
  25 #define SPINOR_OP_WRITE_1_1_2   0xa2    /* DUAL INPUT PROGRAM */
  26 #define SPINOR_OP_WRITE_1_2_2   0xd2    /* DUAL INPUT EXT PROGRAM */
  27 #define SPINOR_OP_WRITE_1_1_4   0x32    /* QUAD INPUT PROGRAM */
  28 #define SPINOR_OP_WRITE_1_4_4   0x12    /* QUAD INPUT EXT PROGRAM */
  29
  30 /* READ commands with 32-bit addressing */
  31 #define SPINOR_OP_READ4_1_2_2   0xbc
  32 #define SPINOR_OP_READ4_1_4_4   0xec
  33
  34 /* Configuration flags */
  35 #define FLASH_FLAG_SINGLE       0x000000ff
  36 #define FLASH_FLAG_READ_WRITE   0x00000001
  37 #define FLASH_FLAG_READ_FAST    0x00000002
  38 #define FLASH_FLAG_SE_4K        0x00000004
  39 #define FLASH_FLAG_SE_32K       0x00000008
  40 #define FLASH_FLAG_CE           0x00000010
  41 #define FLASH_FLAG_32BIT_ADDR   0x00000020
  42 #define FLASH_FLAG_RESET        0x00000040
  43 #define FLASH_FLAG_DYB_LOCKING  0x00000080
  44
  45 #define FLASH_FLAG_DUAL         0x0000ff00
  46 #define FLASH_FLAG_READ_1_1_2   0x00000100
  47 #define FLASH_FLAG_READ_1_2_2   0x00000200
  48 #define FLASH_FLAG_READ_2_2_2   0x00000400
  49 #define FLASH_FLAG_WRITE_1_1_2  0x00001000
  50 #define FLASH_FLAG_WRITE_1_2_2  0x00002000
  51 #define FLASH_FLAG_WRITE_2_2_2  0x00004000
  52
  53 #define FLASH_FLAG_QUAD         0x00ff0000
  54 #define FLASH_FLAG_READ_1_1_4   0x00010000
  55 #define FLASH_FLAG_READ_1_4_4   0x00020000
  56 #define FLASH_FLAG_READ_4_4_4   0x00040000
  57 #define FLASH_FLAG_WRITE_1_1_4  0x00100000
  58 #define FLASH_FLAG_WRITE_1_4_4  0x00200000
  59 #define FLASH_FLAG_WRITE_4_4_4  0x00400000
  60
  61 #endif /* _MTD_SERIAL_FLASH_CMDS_H */