target/linux/adm5120/files-3.8/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 static struct mtd_partition easy_partitions[] = {
  20         {
  21                 .name   = "admboot",
  22                 .offset = 0,
  23                 .size   = 64*1024,
  24                 .mask_flags = MTD_WRITEABLE,
  25         } , {
  26                 .name   = "boardcfg",
  27                 .offset = MTDPART_OFS_APPEND,
  28                 .size   = 64*1024,
  29         } , {
  30                 .name   = "firmware",
  31                 .offset = MTDPART_OFS_APPEND,
  32                 .size   = MTDPART_SIZ_FULL,
  33         }
  34 };
  35
  36 static __init void easy_setup_mac(void)
  37 {
  38         u8 mac_base[6];
  39         int err;
  40
  41         err = admboot_get_mac_base(EASY_CONFIG_OFFSET,
  42                                    EASY_CONFIG_SIZE, mac_base);
  43
  44         if ((err) || !is_valid_ether_addr(mac_base))
  45                 random_ether_addr(mac_base);
  46
  47         adm5120_setup_eth_macs(mac_base);
  48 }
  49
  50 static void switch_bank_gpio3(unsigned bank)
  51 {
  52         switch (bank) {
  53         case 0:
  54                 gpio_set_value(ADM5120_GPIO_PIN3, 0);
  55                 break;
  56         case 1:
  57                 gpio_set_value(ADM5120_GPIO_PIN3, 1);
  58                 break;
  59         }
  60 }
  61
  62 void __init easy_setup_pqfp(void)
  63 {
  64         /* setup flash A20 line */
  65         gpio_request(ADM5120_GPIO_PIN3, NULL);
  66         gpio_direction_output(ADM5120_GPIO_PIN3, 0);
  67         adm5120_flash0_data.switch_bank = switch_bank_gpio3;
  68
  69         adm5120_flash0_data.nr_parts = ARRAY_SIZE(easy_partitions);
  70         adm5120_flash0_data.parts = easy_partitions;
  71
  72         adm5120_add_device_uart(0);
  73         adm5120_add_device_uart(1);
  74
  75         adm5120_add_device_flash(0);
  76
  77         easy_setup_mac();
  78 }
  79
  80 static void switch_bank_gpio5(unsigned bank)
  81 {
  82         switch (bank) {
  83         case 0:
  84                 gpio_set_value(ADM5120_GPIO_PIN5, 0);
  85                 break;
  86         case 1:
  87                 gpio_set_value(ADM5120_GPIO_PIN5, 1);
  88                 break;
  89         }
  90 }
  91
  92 void __init easy_setup_bga(void)
  93 {
  94         /* setup flash A20 line */
  95         gpio_request(ADM5120_GPIO_PIN5, NULL);
  96         gpio_direction_output(ADM5120_GPIO_PIN5, 0);
  97         adm5120_flash0_data.switch_bank = switch_bank_gpio5;
  98
  99         adm5120_flash0_data.nr_parts = ARRAY_SIZE(easy_partitions);
 100         adm5120_flash0_data.parts = easy_partitions;
 101
 102         adm5120_add_device_uart(0);
 103         adm5120_add_device_uart(1);
 104
 105         adm5120_add_device_flash(0);
 106
 107         easy_setup_mac();
 108 }