target/linux/adm5120/files/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_GPIO_DEV_MASK    0
  17
  18 #define BR61XX_CONFIG_OFFSET    0x8000
  19 #define BR61XX_CONFIG_SIZE              0x1000
  20
  21 #define BR61XX_KEYS_POLL_INTERVAL       20
  22 #define BR61XX_KEYS_DEBOUNCE_INTERVAL   (3 * BR61XX_KEYS_POLL_INTERVAL)
  23
  24 static struct mtd_partition br61xx_partitions[] = {
  25         {
  26                 .name   = "admboot",
  27                 .offset = 0,
  28                 .size   = 32*1024,
  29                 .mask_flags = MTD_WRITEABLE,
  30         } , {
  31                 .name   = "config",
  32                 .offset = MTDPART_OFS_APPEND,
  33                 .size   = 32*1024,
  34         } , {
  35                 .name   = "firmware",
  36                 .offset = MTDPART_OFS_APPEND,
  37                 .size   = MTDPART_SIZ_FULL,
  38         }
  39 };
  40
  41 static struct gpio_keys_button br61xx_gpio_buttons[] __initdata = {
  42         {
  43                 .desc           = "reset_button",
  44                 .type           = EV_KEY,
  45                 .code           = KEY_RESTART,
  46                 .debounce_interval = BR61XX_KEYS_DEBOUNCE_INTERVAL,
  47                 .gpio           = ADM5120_GPIO_PIN2,
  48         }
  49 };
  50
  51 static u8 br61xx_vlans[6] __initdata = {
  52         0x41, 0x42, 0x44, 0x48, 0x50, 0x00
  53 };
  54
  55 static void __init br61xx_mac_setup(void)
  56 {
  57         u8 mac_base[6];
  58         int err;
  59
  60         err = admboot_get_mac_base(BR61XX_CONFIG_OFFSET,
  61                                    BR61XX_CONFIG_SIZE, mac_base);
  62
  63         if ((err) || !is_valid_ether_addr(mac_base))
  64                 random_ether_addr(mac_base);
  65
  66         adm5120_setup_eth_macs(mac_base);
  67 }
  68
  69 void __init br61xx_generic_setup(void)
  70 {
  71
  72         adm5120_flash0_data.nr_parts = ARRAY_SIZE(br61xx_partitions);
  73         adm5120_flash0_data.parts = br61xx_partitions;
  74         adm5120_add_device_flash(0);
  75
  76         adm5120_add_device_gpio(BR61XX_GPIO_DEV_MASK);
  77
  78         adm5120_add_device_uart(0);
  79         adm5120_add_device_uart(1);
  80
  81         adm5120_add_device_switch(5, br61xx_vlans);
  82
  83         adm5120_register_gpio_buttons(-1, BR61XX_KEYS_POLL_INTERVAL,
  84                                       ARRAY_SIZE(br61xx_gpio_buttons),
  85                                       br61xx_gpio_buttons);
  86
  87         br61xx_mac_setup();
  88 }