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gerrit-public.fairphone.software / kernel / msm-5.4 / d126d0158b98469b833bcd5214bc909f164a0033 / . / arch / arm / plat-omap / include / plat / nand.h
blob: 86e4d9c67bff75b28d56726024542a5cd69882cb [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 {
Russell Kinga09e64f2008-08-05 16:14:15 +0100[diff] [blame]22 int cs;
Russell Kinga09e64f2008-08-05 16:14:15 +0100[diff] [blame]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;
Grazvydas Ignotas7a559c72011-06-03 19:56:33 +0000[diff] [blame]26 bool dev_ready;
Sukumar Ghorai4e070372011-01-28 15:42:06 +0530[diff] [blame]27 int gpmc_irq;
Sukumar Ghorai1b0b323c2011-01-28 15:42:04 +0530[diff] [blame]28 enum nand_io xfer_type;
Vimal Singh2f70a1e2010-02-15 10:03:33 -0800[diff] [blame]29 unsigned long phys_base;
Vimal Singh2f70a1e2010-02-15 10:03:33 -0800[diff] [blame]30 int devsize;
Sukumar Ghoraif3d73f32011-01-28 15:42:08 +0530[diff] [blame]31 enum omap_ecc ecc_opt;
Afzal Mohammedd126d012012-08-30 12:53:22 -0700[diff] [blame^]32 struct gpmc_nand_regs reg;
Russell Kinga09e64f2008-08-05 16:14:15 +0100[diff] [blame]33};
Vimal Singh2f70a1e2010-02-15 10:03:33 -0800[diff] [blame]34
Sukumar Ghorai2c01946c2010-07-09 09:14:45 +0000[diff] [blame]35/* minimum size for IO mapping */
36#define NAND_IO_SIZE 4
Vimal Singh2f70a1e2010-02-15 10:03:33 -0800[diff] [blame]37
stanley.miao562468b2010-04-20 06:33:26 +0000[diff] [blame]38#if defined(CONFIG_MTD_NAND_OMAP2) || defined(CONFIG_MTD_NAND_OMAP2_MODULE)
Vimal Singh2f70a1e2010-02-15 10:03:33 -0800[diff] [blame]39extern int gpmc_nand_init(struct omap_nand_platform_data *d);
stanley.miao562468b2010-04-20 06:33:26 +0000[diff] [blame]40#else
41static inline int gpmc_nand_init(struct omap_nand_platform_data *d)
42{
43 return 0;
44}
45#endif