arch/arm/plat-omap/include/mach/onenand.h

   1 /*
   2  * arch/arm/plat-omap/include/mach/onenand.h
   3  *
   4  * Copyright (C) 2006 Nokia Corporation
   5  * Author: Juha Yrjola
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License version 2 as
   9  * published by the Free Software Foundation.
  10  */
  11
  12 #include <linux/mtd/mtd.h>
  13 #include <linux/mtd/partitions.h>
  14
  15 #define ONENAND_SYNC_READ       (1 << 0)
  16 #define ONENAND_SYNC_READWRITE  (1 << 1)
  17
  18 struct omap_onenand_platform_data {
  19         int                     cs;
  20         int                     gpio_irq;
  21         struct mtd_partition    *parts;
  22         int                     nr_parts;
  23         int                     (*onenand_setup)(void __iomem *, int freq);
  24         int                     dma_channel;
  25         u8                      flags;
  26 };
  27
  28 #define ONENAND_MAX_PARTITIONS 8
  29
  30 #if defined(CONFIG_MTD_ONENAND_OMAP2) || \
  31         defined(CONFIG_MTD_ONENAND_OMAP2_MODULE)
  32
  33 extern void gpmc_onenand_init(struct omap_onenand_platform_data *d);
  34
  35 #else
  36
  37 #define board_onenand_data      NULL
  38
  39 static inline void gpmc_onenand_init(struct omap_onenand_platform_data *d)
  40 {
  41 }
  42
  43 #endif