atmel_nand_ecc.h 1.4 KB

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  1. /*
  2. * Error Corrected Code Controller (ECC) - System peripherals regsters.
  3. * Based on AT91SAM9260 datasheet revision B.
  4. *
  5. * Copyright (C) 2007 Andrew Victor
  6. * Copyright (C) 2007 Atmel Corporation.
  7. *
  8. * This program is free software; you can redistribute it and/or modify it
  9. * under the terms of the GNU General Public License as published by the
  10. * Free Software Foundation; either version 2 of the License, or (at your
  11. * option) any later version.
  12. */
  13. #ifndef ATMEL_NAND_ECC_H
  14. #define ATMEL_NAND_ECC_H
  15. #define ATMEL_ECC_CR 0x00 /* Control register */
  16. #define ATMEL_ECC_RST (1 << 0) /* Reset parity */
  17. #define ATMEL_ECC_MR 0x04 /* Mode register */
  18. #define ATMEL_ECC_PAGESIZE (3 << 0) /* Page Size */
  19. #define ATMEL_ECC_PAGESIZE_528 (0)
  20. #define ATMEL_ECC_PAGESIZE_1056 (1)
  21. #define ATMEL_ECC_PAGESIZE_2112 (2)
  22. #define ATMEL_ECC_PAGESIZE_4224 (3)
  23. #define ATMEL_ECC_SR 0x08 /* Status register */
  24. #define ATMEL_ECC_RECERR (1 << 0) /* Recoverable Error */
  25. #define ATMEL_ECC_ECCERR (1 << 1) /* ECC Single Bit Error */
  26. #define ATMEL_ECC_MULERR (1 << 2) /* Multiple Errors */
  27. #define ATMEL_ECC_PR 0x0c /* Parity register */
  28. #define ATMEL_ECC_BITADDR (0xf << 0) /* Bit Error Address */
  29. #define ATMEL_ECC_WORDADDR (0xfff << 4) /* Word Error Address */
  30. #define ATMEL_ECC_NPR 0x10 /* NParity register */
  31. #define ATMEL_ECC_NPARITY (0xffff << 0) /* NParity */
  32. #endif