2 * Copyright (c) 2004 Simtec Electronics
3 * Ben Dooks <ben@simtec.co.uk>
5 * S3C2410 - NAND device controller platform_device info
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
12 #ifndef __MTD_NAND_S3C2410_H
13 #define __MTD_NAND_S3C2410_H
16 * struct s3c2410_nand_set - define a set of one or more nand chips
17 * @disable_ecc: Entirely disable ECC - Dangerous
18 * @flash_bbt: Openmoko u-boot can create a Bad Block Table
19 * Setting this flag will allow the kernel to
20 * look for it at boot time and also skip the NAND
22 * @options: Default value to set into 'struct nand_chip' options.
23 * @nr_chips: Number of chips in this set
24 * @nr_partitions: Number of partitions pointed to by @partitions
25 * @name: Name of set (optional)
26 * @nr_map: Map for low-layer logical to physical chip numbers (option)
27 * @partitions: The mtd partition list
29 * define a set of one or more nand chips registered with an unique mtd. Also
30 * allows to pass flag to the underlying NAND layer. 'disable_ecc' will trigger
31 * a warning at boot time.
33 struct s3c2410_nand_set
{
34 unsigned int disable_ecc
:1;
35 unsigned int flash_bbt
:1;
42 struct mtd_partition
*partitions
;
43 struct nand_ecclayout
*ecc_layout
;
46 struct s3c2410_platform_nand
{
47 /* timing information for controller, all times in nanoseconds */
49 int tacls
; /* time for active CLE/ALE to nWE/nOE */
50 int twrph0
; /* active time for nWE/nOE */
51 int twrph1
; /* time for release CLE/ALE from nWE/nOE inactive */
53 unsigned int ignore_unset_ecc
:1;
56 struct s3c2410_nand_set
*sets
;
58 void (*select_chip
)(struct s3c2410_nand_set
*,
63 * s3c_nand_set_platdata() - register NAND platform data.
64 * @nand: The NAND platform data to register with s3c_device_nand.
66 * This function copies the given NAND platform data, @nand and registers
67 * it with the s3c_device_nand. This allows @nand to be __initdata.
69 extern void s3c_nand_set_platdata(struct s3c2410_platform_nand
*nand
);
71 #endif /*__MTD_NAND_S3C2410_H */
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