include/asm-arm/arch-s3c2410/nand.h

   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
  16 /* struct s3c2410_nand_set
  17  *
  18  * define an set of one or more nand chips registered with an unique mtd
  19  *
  20  * nr_chips      = number of chips in this set
  21  * nr_partitions = number of partitions pointed to be partitoons (or zero)
  22  * name          = name of set (optional)
  23  * nr_map        = map for low-layer logical to physical chip numbers (option)
  24  * partitions    = mtd partition list
  25 */
  26
  27 struct s3c2410_nand_set {
  28         int                     nr_chips;
  29         int                     nr_partitions;
  30         char                    *name;
  31         int                     *nr_map;
  32         struct mtd_partition    *partitions;
  33 };
  34
  35 struct s3c2410_platform_nand {
  36         /* timing information for controller, all times in nanoseconds */
  37
  38         int     tacls;  /* time for active CLE/ALE to nWE/nOE */
  39         int     twrph0; /* active time for nWE/nOE */
  40         int     twrph1; /* time for release CLE/ALE from nWE/nOE inactive */
  41
  42         int                     nr_sets;
  43         struct s3c2410_nand_set *sets;
  44
  45         void                    (*select_chip)(struct s3c2410_nand_set *,
  46                                                int chip);
  47 };
  48