target/linux/adm5120/files/arch/mips/adm5120/compex/compex.c

   1 /*
   2  *  Compex 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 "compex.h"
  13
  14 #include <asm/mach-adm5120/prom/myloader.h>
  15
  16 static void switch_bank_gpio5(unsigned bank)
  17 {
  18         switch (bank) {
  19         case 0:
  20                 gpio_set_value(ADM5120_GPIO_PIN5, 0);
  21                 break;
  22         case 1:
  23                 gpio_set_value(ADM5120_GPIO_PIN5, 1);
  24                 break;
  25         }
  26 }
  27
  28 void __init compex_mac_setup(void)
  29 {
  30         if (myloader_present()) {
  31                 int i;
  32
  33                 for (i = 0; i < 6; i++) {
  34                         if (is_valid_ether_addr(myloader_info.macs[i]))
  35                                 memcpy(adm5120_eth_macs[i],
  36                                         myloader_info.macs[i], ETH_ALEN);
  37                         else
  38                                 random_ether_addr(adm5120_eth_macs[i]);
  39                 }
  40         } else {
  41                 u8 mac[ETH_ALEN];
  42
  43                 random_ether_addr(mac);
  44                 adm5120_setup_eth_macs(mac);
  45         }
  46 }
  47
  48 void __init compex_generic_setup(void)
  49 {
  50         gpio_request(ADM5120_GPIO_PIN5, NULL); /* for flash A20 line */
  51         gpio_direction_output(ADM5120_GPIO_PIN5, 0);
  52
  53         adm5120_flash0_data.switch_bank = switch_bank_gpio5;
  54         adm5120_add_device_flash(0);
  55
  56         adm5120_add_device_uart(0);
  57         adm5120_add_device_uart(1);
  58
  59         compex_mac_setup();
  60 }