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drivers
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mtd
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devices
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serial_flash_cmds.h

serial_flash_cmds.h 2.0 KB
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  1. /*
    2. 

  2.  * Generic/SFDP Flash Commands and Device Capabilities
    3. 

  3.  *
    4. 

  4.  * Copyright (C) 2013 Lee Jones <lee.jones@lianro.org>
    5. 

  5.  *
    6. 

  6.  * This code is free software; you can redistribute it and/or modify
    7. 

  7.  * it under the terms of the GNU General Public License version 2 as
    8. 

  8.  * published by the Free Software Foundation.
    9. 

  9.  *
    10. 

  10.  */
    11. 

  11. 

  12. #ifndef _MTD_SERIAL_FLASH_CMDS_H
    13. 

  13. #define _MTD_SERIAL_FLASH_CMDS_H
    14. 

  14. 

  15. /* Generic Flash Commands/OPCODEs */
    16. 

  16. #define SPINOR_OP_RDSR2		0x35
    17. 

  17. #define SPINOR_OP_WRVCR		0x81
    18. 

  18. #define SPINOR_OP_RDVCR		0x85
    19. 

  19. 

  20. /* JEDEC Standard - Serial Flash Discoverable Parmeters (SFDP) Commands */
    21. 

  21. #define SPINOR_OP_READ_1_2_2	0xbb	/* DUAL I/O READ */
    22. 

  22. #define SPINOR_OP_READ_1_4_4	0xeb	/* QUAD I/O READ */
    23. 

  23. 

  24. #define SPINOR_OP_WRITE		0x02	/* PAGE PROGRAM */
    25. 

  25. #define SPINOR_OP_WRITE_1_1_2	0xa2	/* DUAL INPUT PROGRAM */
    26. 

  26. #define SPINOR_OP_WRITE_1_2_2	0xd2	/* DUAL INPUT EXT PROGRAM */
    27. 

  27. #define SPINOR_OP_WRITE_1_1_4	0x32	/* QUAD INPUT PROGRAM */
    28. 

  28. #define SPINOR_OP_WRITE_1_4_4	0x12	/* QUAD INPUT EXT PROGRAM */
    29. 

  29. 

  30. /* READ commands with 32-bit addressing */
    31. 

  31. #define SPINOR_OP_READ4_1_2_2	0xbc
    32. 

  32. #define SPINOR_OP_READ4_1_4_4	0xec
    33. 

  33. 

  34. /* Configuration flags */
    35. 

  35. #define FLASH_FLAG_SINGLE	0x000000ff
    36. 

  36. #define FLASH_FLAG_READ_WRITE	0x00000001
    37. 

  37. #define FLASH_FLAG_READ_FAST	0x00000002
    38. 

  38. #define FLASH_FLAG_SE_4K	0x00000004
    39. 

  39. #define FLASH_FLAG_SE_32K	0x00000008
    40. 

  40. #define FLASH_FLAG_CE		0x00000010
    41. 

  41. #define FLASH_FLAG_32BIT_ADDR	0x00000020
    42. 

  42. #define FLASH_FLAG_RESET	0x00000040
    43. 

  43. #define FLASH_FLAG_DYB_LOCKING	0x00000080
    44. 

  44. 

  45. #define FLASH_FLAG_DUAL		0x0000ff00
    46. 

  46. #define FLASH_FLAG_READ_1_1_2	0x00000100
    47. 

  47. #define FLASH_FLAG_READ_1_2_2	0x00000200
    48. 

  48. #define FLASH_FLAG_READ_2_2_2	0x00000400
    49. 

  49. #define FLASH_FLAG_WRITE_1_1_2	0x00001000
    50. 

  50. #define FLASH_FLAG_WRITE_1_2_2	0x00002000
    51. 

  51. #define FLASH_FLAG_WRITE_2_2_2	0x00004000
    52. 

  52. 

  53. #define FLASH_FLAG_QUAD		0x00ff0000
    54. 

  54. #define FLASH_FLAG_READ_1_1_4	0x00010000
    55. 

  55. #define FLASH_FLAG_READ_1_4_4	0x00020000
    56. 

  56. #define FLASH_FLAG_READ_4_4_4	0x00040000
    57. 

  57. #define FLASH_FLAG_WRITE_1_1_4	0x00100000
    58. 

  58. #define FLASH_FLAG_WRITE_1_4_4	0x00200000
    59. 

  59. #define FLASH_FLAG_WRITE_4_4_4	0x00400000
    60. 

  60. 

  61. #endif /* _MTD_SERIAL_FLASH_CMDS_H */
    62.