nand.h 1.3 KB

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  1. /* arch/arm/mach-s3c2410/include/mach/nand.h
  2. *
  3. * Copyright (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. /* struct s3c2410_nand_set
  13. *
  14. * define an set of one or more nand chips registered with an unique mtd
  15. *
  16. * nr_chips = number of chips in this set
  17. * nr_partitions = number of partitions pointed to be partitoons (or zero)
  18. * name = name of set (optional)
  19. * nr_map = map for low-layer logical to physical chip numbers (option)
  20. * partitions = mtd partition list
  21. */
  22. struct s3c2410_nand_set {
  23. unsigned int disable_ecc : 1;
  24. int nr_chips;
  25. int nr_partitions;
  26. char *name;
  27. int *nr_map;
  28. struct mtd_partition *partitions;
  29. struct nand_ecclayout *ecc_layout;
  30. };
  31. struct s3c2410_platform_nand {
  32. /* timing information for controller, all times in nanoseconds */
  33. int tacls; /* time for active CLE/ALE to nWE/nOE */
  34. int twrph0; /* active time for nWE/nOE */
  35. int twrph1; /* time for release CLE/ALE from nWE/nOE inactive */
  36. unsigned int ignore_unset_ecc : 1;
  37. int nr_sets;
  38. struct s3c2410_nand_set *sets;
  39. void (*select_chip)(struct s3c2410_nand_set *,
  40. int chip);
  41. };