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 platform_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 13/** 14 * struct s3c2410_nand_set - define a set of one or more nand chips 15 * @disable_ecc: Entirely disable ECC - Dangerous 16 * @flash_bbt: Openmoko u-boot can create a Bad Block Table 17 * Setting this flag will allow the kernel to 18 * look for it at boot time and also skip the NAND 19 * scan. 20 * @options: Default value to set into 'struct nand_chip' options. 21 * @nr_chips: Number of chips in this set 22 * @nr_partitions: Number of partitions pointed to by @partitions 23 * @name: Name of set (optional) 24 * @nr_map: Map for low-layer logical to physical chip numbers (option) 25 * @partitions: The mtd partition list 26 * 27 * define a set of one or more nand chips registered with an unique mtd. Also 28 * allows to pass flag to the underlying NAND layer. 'disable_ecc' will trigger 29 * a warning at boot time. 30 */ 31struct s3c2410_nand_set { 32 unsigned int disable_ecc:1; 33 unsigned int flash_bbt:1; 34 35 unsigned int options; 36 int nr_chips; 37 int nr_partitions; 38 char *name; 39 int *nr_map; 40 struct mtd_partition *partitions; 41 struct nand_ecclayout *ecc_layout; 42}; 43 44struct s3c2410_platform_nand { 45 /* timing information for controller, all times in nanoseconds */ 46 47 int tacls; /* time for active CLE/ALE to nWE/nOE */ 48 int twrph0; /* active time for nWE/nOE */ 49 int twrph1; /* time for release CLE/ALE from nWE/nOE inactive */ 50 51 unsigned int ignore_unset_ecc:1; 52 53 int nr_sets; 54 struct s3c2410_nand_set *sets; 55 56 void (*select_chip)(struct s3c2410_nand_set *, 57 int chip); 58}; 59 60/** 61 * s3c_nand_set_platdata() - register NAND platform data. 62 * @nand: The NAND platform data to register with s3c_device_nand. 63 * 64 * This function copies the given NAND platform data, @nand and registers 65 * it with the s3c_device_nand. This allows @nand to be __initdata. 66*/ 67extern void s3c_nand_set_platdata(struct s3c2410_platform_nand *nand); 68