arch/arm/mach-omap2/board-n800-flash.c

   1 /*
   2  * linux/arch/arm/mach-omap/omap2/board-n800-flash.c
   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/kernel.h>
  13 #include <linux/platform_device.h>
  14 #include <asm/mach/flash.h>
  15 #include <asm/arch/onenand.h>
  16 #include <asm/arch/board.h>
  17
  18 static struct mtd_partition n800_partitions[8];
  19
  20 static struct omap_onenand_platform_data n800_onenand_data = {
  21         .cs = 0,
  22         .gpio_irq = 26,
  23         .parts = n800_partitions,
  24         .nr_parts = 0 /* filled later */
  25 };
  26
  27 static struct platform_device n800_onenand_device = {
  28         .name           = "omap2-onenand",
  29         .id             = -1,
  30         .dev = {
  31                 .platform_data = &n800_onenand_data,
  32         },
  33 };
  34
  35
  36 void __init n800_flash_init(void)
  37 {
  38         const struct omap_partition_config *part;
  39         int i = 0;
  40
  41         while ((part = omap_get_nr_config(OMAP_TAG_PARTITION,
  42                                           struct omap_partition_config, i)) != NULL) {
  43                 struct mtd_partition *mpart;
  44
  45                 mpart = n800_partitions + i;
  46                 mpart->name = (char *) part->name;
  47                 mpart->size = part->size;
  48                 mpart->offset = part->offset;
  49                 mpart->mask_flags = part->mask_flags;
  50                 i++;
  51                 if (i == ARRAY_SIZE(n800_partitions)) {
  52                         printk(KERN_ERR "Too many partitions supplied\n");
  53                         return;
  54                 }
  55         }
  56         n800_onenand_data.nr_parts = i;
  57         if (platform_device_register(&n800_onenand_device) < 0) {
  58                 printk(KERN_ERR "Unable to register OneNAND device\n");
  59                 return;
  60         }
  61 }