| /* |
| * Copyright (c) 2004 Simtec Electronics |
| * Ben Dooks <ben@simtec.co.uk> |
| * |
| * S3C2410 - NAND device controller platform_device info |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation. |
| */ |
| |
| #ifndef __MTD_NAND_S3C2410_H |
| #define __MTD_NAND_S3C2410_H |
| |
| /** |
| * struct s3c2410_nand_set - define a set of one or more nand chips |
| * @disable_ecc: Entirely disable ECC - Dangerous |
| * @flash_bbt: Openmoko u-boot can create a Bad Block Table |
| * Setting this flag will allow the kernel to |
| * look for it at boot time and also skip the NAND |
| * scan. |
| * @options: Default value to set into 'struct nand_chip' options. |
| * @nr_chips: Number of chips in this set |
| * @nr_partitions: Number of partitions pointed to by @partitions |
| * @name: Name of set (optional) |
| * @nr_map: Map for low-layer logical to physical chip numbers (option) |
| * @partitions: The mtd partition list |
| * |
| * define a set of one or more nand chips registered with an unique mtd. Also |
| * allows to pass flag to the underlying NAND layer. 'disable_ecc' will trigger |
| * a warning at boot time. |
| */ |
| struct s3c2410_nand_set { |
| unsigned int disable_ecc:1; |
| unsigned int flash_bbt:1; |
| |
| unsigned int options; |
| int nr_chips; |
| int nr_partitions; |
| char *name; |
| int *nr_map; |
| struct mtd_partition *partitions; |
| struct nand_ecclayout *ecc_layout; |
| }; |
| |
| struct s3c2410_platform_nand { |
| /* timing information for controller, all times in nanoseconds */ |
| |
| int tacls; /* time for active CLE/ALE to nWE/nOE */ |
| int twrph0; /* active time for nWE/nOE */ |
| int twrph1; /* time for release CLE/ALE from nWE/nOE inactive */ |
| |
| unsigned int ignore_unset_ecc:1; |
| |
| int nr_sets; |
| struct s3c2410_nand_set *sets; |
| |
| void (*select_chip)(struct s3c2410_nand_set *, |
| int chip); |
| }; |
| |
| /** |
| * s3c_nand_set_platdata() - register NAND platform data. |
| * @nand: The NAND platform data to register with s3c_device_nand. |
| * |
| * This function copies the given NAND platform data, @nand and registers |
| * it with the s3c_device_nand. This allows @nand to be __initdata. |
| */ |
| extern void s3c_nand_set_platdata(struct s3c2410_platform_nand *nand); |
| |
| #endif /*__MTD_NAND_S3C2410_H */ |
