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Linux/arch/arm/plat-omap/include/plat/nand.h

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  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
 45 

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