target/linux/adm5120/files-3.18/arch/mips/adm5120/edimax/br-61xx.c

   1 /*
   2  *  Edimax BR-61xx support
   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 "br-61xx.h"
  13
  14 #include <prom/admboot.h>
  15
  16 #define BR61XX_CONFIG_OFFSET    0x8000
  17 #define BR61XX_CONFIG_SIZE              0x1000
  18
  19 #define BR61XX_KEYS_POLL_INTERVAL       20
  20 #define BR61XX_KEYS_DEBOUNCE_INTERVAL   (3 * BR61XX_KEYS_POLL_INTERVAL)
  21
  22 static struct mtd_partition br61xx_partitions[] = {
  23         {
  24                 .name   = "admboot",
  25                 .offset = 0,
  26                 .size   = 32*1024,
  27                 .mask_flags = MTD_WRITEABLE,
  28         } , {
  29                 .name   = "config",
  30                 .offset = MTDPART_OFS_APPEND,
  31                 .size   = 32*1024,
  32         } , {
  33                 .name   = "firmware",
  34                 .offset = MTDPART_OFS_APPEND,
  35                 .size   = MTDPART_SIZ_FULL,
  36         }
  37 };
  38
  39 static struct gpio_keys_button br61xx_gpio_buttons[] __initdata = {
  40         {
  41                 .desc           = "reset_button",
  42                 .type           = EV_KEY,
  43                 .code           = KEY_RESTART,
  44                 .debounce_interval = BR61XX_KEYS_DEBOUNCE_INTERVAL,
  45                 .gpio           = ADM5120_GPIO_PIN2,
  46         }
  47 };
  48
  49 static u8 br61xx_vlans[6] __initdata = {
  50         0x41, 0x42, 0x44, 0x48, 0x50, 0x00
  51 };
  52
  53 static void __init br61xx_mac_setup(void)
  54 {
  55         u8 mac_base[6];
  56         int err;
  57
  58         err = admboot_get_mac_base(BR61XX_CONFIG_OFFSET,
  59                                    BR61XX_CONFIG_SIZE, mac_base);
  60
  61         if ((err) || !is_valid_ether_addr(mac_base))
  62                 random_ether_addr(mac_base);
  63
  64         adm5120_setup_eth_macs(mac_base);
  65 }
  66
  67 void __init br61xx_generic_setup(void)
  68 {
  69
  70         adm5120_flash0_data.nr_parts = ARRAY_SIZE(br61xx_partitions);
  71         adm5120_flash0_data.parts = br61xx_partitions;
  72         adm5120_add_device_flash(0);
  73
  74         adm5120_add_device_uart(0);
  75         adm5120_add_device_uart(1);
  76
  77         adm5120_add_device_switch(5, br61xx_vlans);
  78
  79         adm5120_register_gpio_buttons(-1, BR61XX_KEYS_POLL_INTERVAL,
  80                                       ARRAY_SIZE(br61xx_gpio_buttons),
  81                                       br61xx_gpio_buttons);
  82
  83         br61xx_mac_setup();
  84 }