1 /*
2 * arch/arm/plat-omap/include/mach/nand.h
3 *
4 * Copyright (C) 2006 Micron Technology Inc.
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 */
11 #include <plat/gpmc.h>
12 #include <linux/mtd/partitions.h>
14 enum nand_io {
15 NAND_OMAP_PREFETCH_POLLED = 0, /* prefetch polled mode, default */
16 NAND_OMAP_POLLED, /* polled mode, without prefetch */
17 NAND_OMAP_PREFETCH_DMA, /* prefetch enabled sDMA mode */
18 NAND_OMAP_PREFETCH_IRQ /* prefetch enabled irq mode */
19 };
21 struct omap_nand_platform_data {
22 int cs;
23 struct mtd_partition *parts;
24 struct gpmc_timings *gpmc_t;
25 int nr_parts;
26 bool dev_ready;
27 int gpmc_irq;
28 enum nand_io xfer_type;
29 unsigned long phys_base;
30 int devsize;
31 enum omap_ecc ecc_opt;
32 bool elm_used;
33 int (*ctrlr_suspend) (void);
34 int (*ctrlr_resume) (void);
35 };
37 /* minimum size for IO mapping */
38 #define NAND_IO_SIZE 4
40 #if defined(CONFIG_MTD_NAND_OMAP2) || defined(CONFIG_MTD_NAND_OMAP2_MODULE)
41 extern int gpmc_nand_init(struct omap_nand_platform_data *d);
42 #else
43 static inline int gpmc_nand_init(struct omap_nand_platform_data *d)
44 {
45 return 0;
46 }
47 #endif