target/linux/ar71xx/files/arch/mips/ar71xx/mach-wzr-hp-ag300h.c

   1 /*
   2  *  Buffalo WZR-HP-AG300H board support
   3  *
   4  *  Copyright (C) 2011 Felix Fietkau <nbd@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 #include <linux/platform_device.h>
  12 #include <linux/mtd/mtd.h>
  13 #include <linux/mtd/partitions.h>
  14 #include <linux/mtd/concat.h>
  15
  16 #include <asm/mips_machine.h>
  17 #include <asm/mach-ar71xx/ar71xx.h>
  18 #include <asm/mach-ar71xx/gpio.h>
  19
  20 #include "machtype.h"
  21 #include "devices.h"
  22 #include "dev-ap94-pci.h"
  23 #include "dev-gpio-buttons.h"
  24 #include "dev-leds-gpio.h"
  25 #include "dev-m25p80.h"
  26 #include "dev-usb.h"
  27
  28 #define WZRHPAG300H_MAC_OFFSET          0x20c
  29 #define WZRHPAG300H_KEYS_POLL_INTERVAL     20      /* msecs */
  30 #define WZRHPAG300H_KEYS_DEBOUNCE_INTERVAL (3 * WZRHPAG300H_KEYS_POLL_INTERVAL)
  31
  32 #ifdef CONFIG_MTD_PARTITIONS
  33 static struct mtd_partition wzrhpag300h_flash_partitions[] = {
  34         {
  35                 .name           = "u-boot",
  36                 .offset         = 0,
  37                 .size           = 0x0040000,
  38                 .mask_flags     = MTD_WRITEABLE,
  39         }, {
  40                 .name           = "u-boot-env",
  41                 .offset         = 0x0040000,
  42                 .size           = 0x0010000,
  43                 .mask_flags     = MTD_WRITEABLE,
  44         }, {
  45                 .name           = "art",
  46                 .offset         = 0x0050000,
  47                 .size           = 0x0010000,
  48                 .mask_flags     = MTD_WRITEABLE,
  49         }, {
  50                 .name           = "kernel",
  51                 .offset         = 0x0060000,
  52                 .size           = 0x0100000,
  53         }, {
  54                 .name           = "rootfs",
  55                 .offset         = 0x0160000,
  56                 .size           = 0x1e90000,
  57         }, {
  58                 .name           = "user_property",
  59                 .offset         = 0x1ff0000,
  60                 .size           = 0x0010000,
  61                 .mask_flags     = MTD_WRITEABLE,
  62         }, {
  63                 .name           = "firmware",
  64                 .offset         = 0x0060000,
  65                 .size           = 0x1f90000,
  66         }
  67 };
  68
  69 #endif /* CONFIG_MTD_PARTITIONS */
  70
  71 static struct mtd_info *concat_devs[2] = { NULL, NULL };
  72 static struct work_struct mtd_concat_work;
  73
  74 static void mtd_concat_add_work(struct work_struct *work)
  75 {
  76         struct mtd_info *mtd;
  77
  78         mtd = mtd_concat_create(concat_devs, ARRAY_SIZE(concat_devs), "flash");
  79
  80 #ifdef CONFIG_MTD_PARTITIONS
  81         add_mtd_partitions(mtd, wzrhpag300h_flash_partitions,
  82                            ARRAY_SIZE(wzrhpag300h_flash_partitions));
  83 #else
  84         add_mtd_device(mtd);
  85 #endif
  86 }
  87
  88 static void mtd_concat_add(struct mtd_info *mtd)
  89 {
  90         static bool registered = false;
  91
  92         if (registered)
  93                 return;
  94
  95         if (!strcmp(mtd->name, "spi0.0"))
  96                 concat_devs[0] = mtd;
  97         else if (!strcmp(mtd->name, "spi0.1"))
  98                 concat_devs[1] = mtd;
  99         else
 100                 return;
 101
 102         if (!concat_devs[0] || !concat_devs[1])
 103                 return;
 104
 105         registered = true;
 106         INIT_WORK(&mtd_concat_work, mtd_concat_add_work);
 107         schedule_work(&mtd_concat_work);
 108 }
 109
 110 static void mtd_concat_remove(struct mtd_info *mtd)
 111 {
 112 }
 113
 114 static void add_mtd_concat_notifier(void)
 115 {
 116         static struct mtd_notifier not = {
 117                 .add = mtd_concat_add,
 118                 .remove = mtd_concat_remove,
 119         };
 120
 121         register_mtd_user(&not);
 122 }
 123
 124 static struct gpio_led wzrhpag300h_leds_gpio[] __initdata = {
 125         {
 126                 .name           = "buffalo:red:diag",
 127                 .gpio           = 1,
 128                 .active_low     = 1,
 129         },
 130 };
 131
 132
 133 static struct gpio_keys_button wzrhpag300h_gpio_keys[] __initdata = {
 134         {
 135                 .desc           = "reset",
 136                 .type           = EV_KEY,
 137                 .code           = KEY_RESTART,
 138                 .debounce_interval = WZRHPAG300H_KEYS_DEBOUNCE_INTERVAL,
 139                 .gpio           = 11,
 140                 .active_low     = 1,
 141         }, {
 142                 .desc           = "usb",
 143                 .type           = EV_KEY,
 144                 .code           = BTN_2,
 145                 .debounce_interval = WZRHPAG300H_KEYS_DEBOUNCE_INTERVAL,
 146                 .gpio           = 3,
 147                 .active_low     = 1,
 148         }, {
 149                 .desc           = "aoss",
 150                 .type           = EV_KEY,
 151                 .code           = KEY_WPS_BUTTON,
 152                 .debounce_interval = WZRHPAG300H_KEYS_DEBOUNCE_INTERVAL,
 153                 .gpio           = 5,
 154                 .active_low     = 1,
 155         }, {
 156                 .desc           = "router_auto",
 157                 .type           = EV_KEY,
 158                 .code           = BTN_6,
 159                 .debounce_interval = WZRHPAG300H_KEYS_DEBOUNCE_INTERVAL,
 160                 .gpio           = 6,
 161                 .active_low     = 1,
 162         }, {
 163                 .desc           = "router_off",
 164                 .type           = EV_KEY,
 165                 .code           = BTN_5,
 166                 .debounce_interval = WZRHPAG300H_KEYS_DEBOUNCE_INTERVAL,
 167                 .gpio           = 7,
 168                 .active_low     = 1,
 169         }
 170 };
 171
 172 static struct spi_board_info ar71xx_spi_info[] = {
 173         {
 174                 .bus_num        = 0,
 175                 .chip_select    = 0,
 176                 .max_speed_hz   = 25000000,
 177                 .modalias   = "m25p80",
 178         },
 179         {
 180                 .bus_num        = 0,
 181                 .chip_select    = 1,
 182                 .max_speed_hz   = 25000000,
 183                 .modalias   = "m25p80",
 184         }
 185 };
 186
 187 static void __init wzrhpag300h_setup(void)
 188 {
 189         u8 *eeprom1 = (u8 *) KSEG1ADDR(0x1f051000);
 190         u8 *eeprom2 = (u8 *) KSEG1ADDR(0x1f055000);
 191         u8 *mac1 = eeprom1 + WZRHPAG300H_MAC_OFFSET;
 192         u8 *mac2 = eeprom2 + WZRHPAG300H_MAC_OFFSET;
 193
 194         ar71xx_init_mac(ar71xx_eth0_data.mac_addr, mac1, 0);
 195         ar71xx_init_mac(ar71xx_eth1_data.mac_addr, mac2, 1);
 196
 197         ar71xx_add_device_mdio(~(BIT(0) | BIT(4)));
 198
 199         ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
 200         ar71xx_eth0_data.speed = SPEED_1000;
 201         ar71xx_eth0_data.duplex = DUPLEX_FULL;
 202         ar71xx_eth0_data.phy_mask = BIT(0);
 203
 204         ar71xx_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
 205         ar71xx_eth1_data.phy_mask = BIT(4);
 206
 207         ar71xx_add_device_eth(0);
 208         ar71xx_add_device_eth(1);
 209
 210         ar71xx_add_device_usb();
 211         gpio_request(2, "usb");
 212         gpio_direction_output(2, 1);
 213
 214         ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(wzrhpag300h_leds_gpio),
 215                                         wzrhpag300h_leds_gpio);
 216
 217         ar71xx_register_gpio_keys_polled(-1, WZRHPAG300H_KEYS_POLL_INTERVAL,
 218                                          ARRAY_SIZE(wzrhpag300h_gpio_keys),
 219                                          wzrhpag300h_gpio_keys);
 220
 221         ar71xx_add_device_spi(NULL, ar71xx_spi_info,
 222                               ARRAY_SIZE(ar71xx_spi_info));
 223
 224         add_mtd_concat_notifier();
 225
 226         ap94_pci_init(eeprom1, mac1, eeprom2, mac2);
 227 }
 228
 229 MIPS_MACHINE(AR71XX_MACH_WZR_HP_AG300H, "WZR-HP-AG300H",
 230              "Buffalo WZR-HP-AG300H", wzrhpag300h_setup);
 231