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gerrit-public.fairphone.software / kernel / msm-5.4 / db97eb7dfe13f6c04f0a0e77c32e2691f563ab8b / . / arch / arm / plat-omap / include / plat / nand.h
blob: 78c0bdb98c1810122d8bc4b6ab8336a638d752ac [file] [log] [blame]
Russell Kinga09e64f2008-08-05 16:14:15 +0100[diff] [blame]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 <linux/mtd/partitions.h>
12
Sukumar Ghorai1b0b323c2011-01-28 15:42:04 +0530[diff] [blame]13enum nand_io {
14 NAND_OMAP_PREFETCH_POLLED = 0, /* prefetch polled mode, default */
15 NAND_OMAP_POLLED, /* polled mode, without prefetch */
16 NAND_OMAP_PREFETCH_DMA /* prefetch enabled sDMA mode */
17};
18
Russell Kinga09e64f2008-08-05 16:14:15 +0100[diff] [blame]19struct omap_nand_platform_data {
20 unsigned int options;
21 int cs;
22 int gpio_irq;
23 struct mtd_partition *parts;
Vimal Singh2f70a1e2010-02-15 10:03:33 -0800[diff] [blame]24 struct gpmc_timings *gpmc_t;
Russell Kinga09e64f2008-08-05 16:14:15 +0100[diff] [blame]25 int nr_parts;
Vimal Singh2f70a1e2010-02-15 10:03:33 -0800[diff] [blame]26 int (*nand_setup)(void);
Russell Kinga09e64f2008-08-05 16:14:15 +0100[diff] [blame]27 int (*dev_ready)(struct omap_nand_platform_data *);
28 int dma_channel;
Sukumar Ghorai1b0b323c2011-01-28 15:42:04 +0530[diff] [blame]29 enum nand_io xfer_type;
Vimal Singh2f70a1e2010-02-15 10:03:33 -0800[diff] [blame]30 unsigned long phys_base;
Vimal Singh2f70a1e2010-02-15 10:03:33 -0800[diff] [blame]31 int devsize;
Russell Kinga09e64f2008-08-05 16:14:15 +0100[diff] [blame]32};
Vimal Singh2f70a1e2010-02-15 10:03:33 -0800[diff] [blame]33
Sukumar Ghorai2c01946c2010-07-09 09:14:45 +0000[diff] [blame]34/* minimum size for IO mapping */
35#define NAND_IO_SIZE 4
Vimal Singh2f70a1e2010-02-15 10:03:33 -0800[diff] [blame]36
stanley.miao562468b2010-04-20 06:33:26 +0000[diff] [blame]37#if defined(CONFIG_MTD_NAND_OMAP2) || defined(CONFIG_MTD_NAND_OMAP2_MODULE)
Vimal Singh2f70a1e2010-02-15 10:03:33 -0800[diff] [blame]38extern int gpmc_nand_init(struct omap_nand_platform_data *d);
stanley.miao562468b2010-04-20 06:33:26 +0000[diff] [blame]39#else
40static inline int gpmc_nand_init(struct omap_nand_platform_data *d)
41{
42 return 0;
43}
44#endif