target/linux/adm5120/files-2.6.26/arch/mips/adm5120/infineon/infineon.c

   1 /*
   2  *  Infineon Reference Boards
   3  *
   4  *  Copyright (C) 2007-2008 Gabor Juhos <juhosg@openwrt.org>
   5  *
   6  *  This program is free software; you can redistribute it and/or modify it
   7  *  under the terms of the GNU General Public License version 2 as published
   8  *  by the Free Software Foundation.
   9  *
  10  */
  11
  12 #include "infineon.h"
  13
  14 #ifdef CONFIG_MTD_PARTITIONS
  15 static struct mtd_partition easy_partitions[] = {
  16         {
  17                 .name   = "admboot",
  18                 .offset = 0,
  19                 .size   = 64*1024,
  20                 .mask_flags = MTD_WRITEABLE,
  21         } , {
  22                 .name   = "boardcfg",
  23                 .offset = MTDPART_OFS_APPEND,
  24                 .size   = 64*1024,
  25         } , {
  26                 .name   = "firmware",
  27                 .offset = MTDPART_OFS_APPEND,
  28                 .size   = MTDPART_SIZ_FULL,
  29         }
  30 };
  31 #endif /* CONFIG_MTD_PARTITIONS */
  32
  33 static void switch_bank_gpio3(unsigned bank)
  34 {
  35         switch (bank) {
  36         case 0:
  37                 gpio_set_value(ADM5120_GPIO_PIN3, 0);
  38                 break;
  39         case 1:
  40                 gpio_set_value(ADM5120_GPIO_PIN3, 1);
  41                 break;
  42         }
  43 }
  44
  45 void __init easy_setup_pqfp(void)
  46 {
  47         /* setup flash A20 line */
  48         gpio_request(ADM5120_GPIO_PIN3, NULL);
  49         gpio_direction_output(ADM5120_GPIO_PIN3, 0);
  50         adm5120_flash0_data.switch_bank = switch_bank_gpio3;
  51
  52 #ifdef CONFIG_MTD_PARTITIONS
  53         adm5120_flash0_data.nr_parts = ARRAY_SIZE(easy_partitions);
  54         adm5120_flash0_data.parts = easy_partitions;
  55 #endif /* CONFIG_MTD_PARTITIONS */
  56
  57         adm5120_add_device_flash(0);
  58 }
  59
  60 static void switch_bank_gpio5(unsigned bank)
  61 {
  62         switch (bank) {
  63         case 0:
  64                 gpio_set_value(ADM5120_GPIO_PIN5, 0);
  65                 break;
  66         case 1:
  67                 gpio_set_value(ADM5120_GPIO_PIN5, 1);
  68                 break;
  69         }
  70 }
  71
  72 void __init easy_setup_bga(void)
  73 {
  74         /* setup flash A20 line */
  75         gpio_request(ADM5120_GPIO_PIN5, NULL);
  76         gpio_direction_output(ADM5120_GPIO_PIN5, 0);
  77         adm5120_flash0_data.switch_bank = switch_bank_gpio5;
  78
  79 #ifdef CONFIG_MTD_PARTITIONS
  80         adm5120_flash0_data.nr_parts = ARRAY_SIZE(easy_partitions);
  81         adm5120_flash0_data.parts = easy_partitions;
  82 #endif /* CONFIG_MTD_PARTITIONS */
  83
  84         adm5120_add_device_flash(0);
  85 }