name : mtd-nand-s3c2410.h /* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (c) 2004 Simtec Electronics * Ben Dooks <ben@simtec.co.uk> * * S3C2410 - NAND device controller platform_device info */ #ifndef __MTD_NAND_S3C2410_H #define __MTD_NAND_S3C2410_H #include <linux/mtd/rawnand.h> /** * struct s3c2410_nand_set - define a set of one or more nand chips * @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 flash_bbt:1; unsigned int options; int nr_chips; int nr_partitions; char *name; int *nr_map; struct mtd_partition *partitions; struct device_node *of_node; }; 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; enum nand_ecc_engine_type engine_type; 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 */