tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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
14enum 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
21struct 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 enum nand_io xfer_type;
28 int devsize;
29 enum omap_ecc ecc_opt;
30 struct gpmc_nand_regs reg;
31};
32
33/* minimum size for IO mapping */
34#define NAND_IO_SIZE 4
35
36#if defined(CONFIG_MTD_NAND_OMAP2) || defined(CONFIG_MTD_NAND_OMAP2_MODULE)
37extern int gpmc_nand_init(struct omap_nand_platform_data *d);
38#else
39static inline int gpmc_nand_init(struct omap_nand_platform_data *d)
40{
41 return 0;
42}
43#endif