Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs...
[pandora-kernel.git] / arch / arm / plat-omap / include / plat / nand.h
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  */
10
11 #include <plat/gpmc.h>
12 #include <linux/mtd/partitions.h>
13
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 };
20
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 };
33
34 /* minimum size for IO mapping */
35 #define NAND_IO_SIZE    4
36
37 #if defined(CONFIG_MTD_NAND_OMAP2) || defined(CONFIG_MTD_NAND_OMAP2_MODULE)
38 extern int gpmc_nand_init(struct omap_nand_platform_data *d);
39 #else
40 static inline int gpmc_nand_init(struct omap_nand_platform_data *d)
41 {
42         return 0;
43 }
44 #endif