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 #include <prom/admboot.h>
  15
  16 #define EASY_CONFIG_OFFSET      0x10000
  17 #define EASY_CONFIG_SIZE        0x1000
  18
  19 #ifdef CONFIG_MTD_PARTITIONS
  20 static struct mtd_partition easy_partitions[] = {
  21         {
  22                 .name   = "admboot",
  23                 .offset = 0,
  24                 .size   = 64*1024,
  25                 .mask_flags = MTD_WRITEABLE,
  26         } , {
  27                 .name   = "boardcfg",
  28                 .offset = MTDPART_OFS_APPEND,
  29                 .size   = 64*1024,
  30         } , {
  31                 .name   = "firmware",
  32                 .offset = MTDPART_OFS_APPEND,
  33                 .size   = MTDPART_SIZ_FULL,
  34         }
  35 };
  36 #endif /* CONFIG_MTD_PARTITIONS */
  37
  38 static __init void easy_setup_mac(void)
  39 {
  40         u8 mac_base[6];
  41         int err;
  42
  43         err = admboot_get_mac_base(EASY_CONFIG_OFFSET,
  44                                    EASY_CONFIG_SIZE, mac_base);
  45
  46         if ((err) || !is_valid_ether_addr(mac_base))
  47                 random_ether_addr(mac_base);
  48
  49         adm5120_setup_eth_macs(mac_base);
  50 }
  51
  52 static void switch_bank_gpio3(unsigned bank)
  53 {
  54         switch (bank) {
  55         case 0:
  56                 gpio_set_value(ADM5120_GPIO_PIN3, 0);
  57                 break;
  58         case 1:
  59                 gpio_set_value(ADM5120_GPIO_PIN3, 1);
  60                 break;
  61         }
  62 }
  63
  64 void __init easy_setup_pqfp(void)
  65 {
  66         /* setup flash A20 line */
  67         gpio_request(ADM5120_GPIO_PIN3, NULL);
  68         gpio_direction_output(ADM5120_GPIO_PIN3, 0);
  69         adm5120_flash0_data.switch_bank = switch_bank_gpio3;
  70
  71 #ifdef CONFIG_MTD_PARTITIONS
  72         adm5120_flash0_data.nr_parts = ARRAY_SIZE(easy_partitions);
  73         adm5120_flash0_data.parts = easy_partitions;
  74 #endif /* CONFIG_MTD_PARTITIONS */
  75
  76         adm5120_add_device_flash(0);
  77
  78         easy_setup_mac();
  79 }
  80
  81 static void switch_bank_gpio5(unsigned bank)
  82 {
  83         switch (bank) {
  84         case 0:
  85                 gpio_set_value(ADM5120_GPIO_PIN5, 0);
  86                 break;
  87         case 1:
  88                 gpio_set_value(ADM5120_GPIO_PIN5, 1);
  89                 break;
  90         }
  91 }
  92
  93 void __init easy_setup_bga(void)
  94 {
  95         /* setup flash A20 line */
  96         gpio_request(ADM5120_GPIO_PIN5, NULL);
  97         gpio_direction_output(ADM5120_GPIO_PIN5, 0);
  98         adm5120_flash0_data.switch_bank = switch_bank_gpio5;
  99
 100 #ifdef CONFIG_MTD_PARTITIONS
 101         adm5120_flash0_data.nr_parts = ARRAY_SIZE(easy_partitions);
 102         adm5120_flash0_data.parts = easy_partitions;
 103 #endif /* CONFIG_MTD_PARTITIONS */
 104
 105         adm5120_add_device_flash(0);
 106
 107         easy_setup_mac();
 108 }