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gerrit-public.fairphone.software / kernel / msm-5.4 / f3d73f362d689a1d044e77964864f0a8ea0217f3 / . / arch / arm / plat-omap / include / plat / nand.h
blob: d86d1ecf0068a70c0aff69410f7498cb5ee85c64 [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
Sukumar Ghoraif3d73f32011-01-28 15:42:08 +0530[diff] [blame^]11#include <plat/gpmc.h>
Russell Kinga09e64f2008-08-05 16:14:15 +0100[diff] [blame]12#include <linux/mtd/partitions.h>
13
Sukumar Ghorai1b0b323c2011-01-28 15:42:04 +0530[diff] [blame]14enum nand_io {
15 NAND_OMAP_PREFETCH_POLLED = 0, /* prefetch polled mode, default */
16 NAND_OMAP_POLLED, /* polled mode, without prefetch */
Sukumar Ghorai4e070372011-01-28 15:42:06 +0530[diff] [blame]17 NAND_OMAP_PREFETCH_DMA, /* prefetch enabled sDMA mode */
18 NAND_OMAP_PREFETCH_IRQ /* prefetch enabled irq mode */
Sukumar Ghorai1b0b323c2011-01-28 15:42:04 +0530[diff] [blame]19};
20
Russell Kinga09e64f2008-08-05 16:14:15 +0100[diff] [blame]21struct omap_nand_platform_data {
22 unsigned int options;
23 int cs;
24 int gpio_irq;
25 struct mtd_partition *parts;
Vimal Singh2f70a1e2010-02-15 10:03:33 -0800[diff] [blame]26 struct gpmc_timings *gpmc_t;
Russell Kinga09e64f2008-08-05 16:14:15 +0100[diff] [blame]27 int nr_parts;
Vimal Singh2f70a1e2010-02-15 10:03:33 -0800[diff] [blame]28 int (*nand_setup)(void);
Russell Kinga09e64f2008-08-05 16:14:15 +0100[diff] [blame]29 int (*dev_ready)(struct omap_nand_platform_data *);
30 int dma_channel;
Sukumar Ghorai4e070372011-01-28 15:42:06 +0530[diff] [blame]31 int gpmc_irq;
Sukumar Ghorai1b0b323c2011-01-28 15:42:04 +0530[diff] [blame]32 enum nand_io xfer_type;
Vimal Singh2f70a1e2010-02-15 10:03:33 -0800[diff] [blame]33 unsigned long phys_base;
Vimal Singh2f70a1e2010-02-15 10:03:33 -0800[diff] [blame]34 int devsize;
Sukumar Ghoraif3d73f32011-01-28 15:42:08 +0530[diff] [blame^]35 enum omap_ecc ecc_opt;
Russell Kinga09e64f2008-08-05 16:14:15 +0100[diff] [blame]36};
Vimal Singh2f70a1e2010-02-15 10:03:33 -0800[diff] [blame]37
Sukumar Ghorai2c01946c2010-07-09 09:14:45 +0000[diff] [blame]38/* minimum size for IO mapping */
39#define NAND_IO_SIZE 4
Vimal Singh2f70a1e2010-02-15 10:03:33 -0800[diff] [blame]40
stanley.miao562468b2010-04-20 06:33:26 +0000[diff] [blame]41#if defined(CONFIG_MTD_NAND_OMAP2) || defined(CONFIG_MTD_NAND_OMAP2_MODULE)
Vimal Singh2f70a1e2010-02-15 10:03:33 -0800[diff] [blame]42extern int gpmc_nand_init(struct omap_nand_platform_data *d);
stanley.miao562468b2010-04-20 06:33:26 +0000[diff] [blame]43#else
44static inline int gpmc_nand_init(struct omap_nand_platform_data *d)
45{
46 return 0;
47}
48#endif