arch/arm/plat-omap/include/plat/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 onenand_freq_info {
  19         u16                     maf_id;
  20         u16                     dev_id;
  21         u16                     ver_id;
  22 };
  23
  24 struct omap_onenand_platform_data {
  25         int                     cs;
  26         int                     gpio_irq;
  27         struct mtd_partition    *parts;
  28         int                     nr_parts;
  29         int                     (*onenand_setup)(void __iomem *, int *freq_ptr);
  30         int             (*get_freq)(const struct onenand_freq_info *freq_info,
  31                                     bool *clk_dep);
  32         int                     dma_channel;
  33         u8                      flags;
  34         u8                      regulator_can_sleep;
  35 };
  36
  37 #define ONENAND_MAX_PARTITIONS 8
  38
  39 #if defined(CONFIG_MTD_ONENAND_OMAP2) || \
  40         defined(CONFIG_MTD_ONENAND_OMAP2_MODULE)
  41
  42 extern void gpmc_onenand_init(struct omap_onenand_platform_data *d);
  43
  44 #else
  45
  46 #define board_onenand_data      NULL
  47
  48 static inline void gpmc_onenand_init(struct omap_onenand_platform_data *d)
  49 {
  50 }
  51
  52 #endif