nand.h 1.3 KB

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  1. /* linux/include/asm-arm/arch-s3c2410/nand.h
  2. *
  3. * (c) 2004 Simtec Electronics
  4. * Ben Dooks <ben@simtec.co.uk>
  5. *
  6. * S3C2410 - NAND device controller platfrom_device info
  7. *
  8. * This program is free software; you can redistribute it and/or modify
  9. * it under the terms of the GNU General Public License version 2 as
  10. * published by the Free Software Foundation.
  11. *
  12. * Changelog:
  13. * 23-Sep-2004 BJD Created file
  14. */
  15. /* struct s3c2410_nand_set
  16. *
  17. * define an set of one or more nand chips registered with an unique mtd
  18. *
  19. * nr_chips = number of chips in this set
  20. * nr_partitions = number of partitions pointed to be partitoons (or zero)
  21. * name = name of set (optional)
  22. * nr_map = map for low-layer logical to physical chip numbers (option)
  23. * partitions = mtd partition list
  24. */
  25. struct s3c2410_nand_set {
  26. int nr_chips;
  27. int nr_partitions;
  28. char *name;
  29. int *nr_map;
  30. struct mtd_partition *partitions;
  31. };
  32. struct s3c2410_platform_nand {
  33. /* timing information for controller, all times in nanoseconds */
  34. int tacls; /* time for active CLE/ALE to nWE/nOE */
  35. int twrph0; /* active time for nWE/nOE */
  36. int twrph1; /* time for release CLE/ALE from nWE/nOE inactive */
  37. int nr_sets;
  38. struct s3c2410_nand_set *sets;
  39. void (*select_chip)(struct s3c2410_nand_set *,
  40. int chip);
  41. };