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
  19 #include "machtype.h"
  20 #include "devices.h"
  21 #include "dev-ap94-pci.h"
  22 #include "dev-gpio-buttons.h"
  23 #include "dev-leds-gpio.h"
  24 #include "dev-m25p80.h"
  25 #include "dev-usb.h"
  26
  27 #define WZRHPAG300H_MAC_OFFSET          0x20c
  28 #define WZRHPAG300H_KEYS_POLL_INTERVAL     20      /* msecs */
  29 #define WZRHPAG300H_KEYS_DEBOUNCE_INTERVAL (3 * WZRHPAG300H_KEYS_POLL_INTERVAL)
  30
  31 #ifdef CONFIG_MTD_PARTITIONS
  32 static struct mtd_partition wzrhpag300h_flash_partitions[] = {
  33         {
  34                 .name           = "u-boot",
  35                 .offset         = 0,
  36                 .size           = 0x0040000,
  37                 .mask_flags     = MTD_WRITEABLE,
  38         }, {
  39                 .name           = "u-boot-env",
  40                 .offset         = 0x0040000,
  41                 .size           = 0x0010000,
  42                 .mask_flags     = MTD_WRITEABLE,
  43         }, {
  44                 .name           = "art",
  45                 .offset         = 0x0050000,
  46                 .size           = 0x0010000,
  47                 .mask_flags     = MTD_WRITEABLE,
  48         }, {
  49                 .name           = "kernel",
  50                 .offset         = 0x0060000,
  51                 .size           = 0x0100000,
  52         }, {
  53                 .name           = "rootfs",
  54                 .offset         = 0x0160000,
  55                 .size           = 0x1e90000,
  56         }, {
  57                 .name           = "user_property",
  58                 .offset         = 0x1ff0000,
  59                 .size           = 0x0010000,
  60                 .mask_flags     = MTD_WRITEABLE,
  61         }, {
  62                 .name           = "firmware",
  63                 .offset         = 0x0060000,
  64                 .size           = 0x1f90000,
  65         }
  66 };
  67
  68 #endif /* CONFIG_MTD_PARTITIONS */
  69
  70 static struct mtd_info *concat_devs[2] = { NULL, NULL };
  71 static struct work_struct mtd_concat_work;
  72
  73 static void mtd_concat_add_work(struct work_struct *work)
  74 {
  75         struct mtd_info *mtd;
  76
  77         mtd = mtd_concat_create(concat_devs, ARRAY_SIZE(concat_devs), "flash");
  78
  79 #ifdef CONFIG_MTD_PARTITIONS
  80         add_mtd_partitions(mtd, wzrhpag300h_flash_partitions,
  81                            ARRAY_SIZE(wzrhpag300h_flash_partitions));
  82 #else
  83         add_mtd_device(mtd);
  84 #endif
  85 }
  86
  87 static void mtd_concat_add(struct mtd_info *mtd)
  88 {
  89         static bool registered = false;
  90
  91         if (registered)
  92                 return;
  93
  94         if (!strcmp(mtd->name, "spi0.0"))
  95                 concat_devs[0] = mtd;
  96         else if (!strcmp(mtd->name, "spi0.1"))
  97                 concat_devs[1] = mtd;
  98         else
  99                 return;
 100
 101         if (!concat_devs[0] || !concat_devs[1])
 102                 return;
 103
 104         registered = true;
 105         INIT_WORK(&mtd_concat_work, mtd_concat_add_work);
 106         schedule_work(&mtd_concat_work);
 107 }
 108
 109 static void mtd_concat_remove(struct mtd_info *mtd)
 110 {
 111 }
 112
 113 static void add_mtd_concat_notifier(void)
 114 {
 115         static struct mtd_notifier not = {
 116                 .add = mtd_concat_add,
 117                 .remove = mtd_concat_remove,
 118         };
 119
 120         register_mtd_user(&not);
 121 }
 122
 123 static struct gpio_led wzrhpag300h_leds_gpio[] __initdata = {
 124         {
 125                 .name           = "wzr-hp-ag300h:red:diag",
 126                 .gpio           = 1,
 127                 .active_low     = 1,
 128         },
 129 };
 130
 131
 132 static struct gpio_keys_button wzrhpag300h_gpio_keys[] __initdata = {
 133         {
 134                 .desc           = "reset",
 135                 .type           = EV_KEY,
 136                 .code           = KEY_RESTART,
 137                 .debounce_interval = WZRHPAG300H_KEYS_DEBOUNCE_INTERVAL,
 138                 .gpio           = 11,
 139                 .active_low     = 1,
 140         }, {
 141                 .desc           = "usb",
 142                 .type           = EV_KEY,
 143                 .code           = BTN_2,
 144                 .debounce_interval = WZRHPAG300H_KEYS_DEBOUNCE_INTERVAL,
 145                 .gpio           = 3,
 146                 .active_low     = 1,
 147         }, {
 148                 .desc           = "aoss",
 149                 .type           = EV_KEY,
 150                 .code           = KEY_WPS_BUTTON,
 151                 .debounce_interval = WZRHPAG300H_KEYS_DEBOUNCE_INTERVAL,
 152                 .gpio           = 5,
 153                 .active_low     = 1,
 154         }, {
 155                 .desc           = "router_auto",
 156                 .type           = EV_KEY,
 157                 .code           = BTN_6,
 158                 .debounce_interval = WZRHPAG300H_KEYS_DEBOUNCE_INTERVAL,
 159                 .gpio           = 6,
 160                 .active_low     = 1,
 161         }, {
 162                 .desc           = "router_off",
 163                 .type           = EV_KEY,
 164                 .code           = BTN_5,
 165                 .debounce_interval = WZRHPAG300H_KEYS_DEBOUNCE_INTERVAL,
 166                 .gpio           = 7,
 167                 .active_low     = 1,
 168         }
 169 };
 170
 171 static struct spi_board_info ar71xx_spi_info[] = {
 172         {
 173                 .bus_num        = 0,
 174                 .chip_select    = 0,
 175                 .max_speed_hz   = 25000000,
 176                 .modalias   = "m25p80",
 177         },
 178         {
 179                 .bus_num        = 0,
 180                 .chip_select    = 1,
 181                 .max_speed_hz   = 25000000,
 182                 .modalias   = "m25p80",
 183         }
 184 };
 185
 186 static void __init wzrhpag300h_setup(void)
 187 {
 188         u8 *eeprom1 = (u8 *) KSEG1ADDR(0x1f051000);
 189         u8 *eeprom2 = (u8 *) KSEG1ADDR(0x1f055000);
 190         u8 *mac1 = eeprom1 + WZRHPAG300H_MAC_OFFSET;
 191         u8 *mac2 = eeprom2 + WZRHPAG300H_MAC_OFFSET;
 192
 193         ar71xx_init_mac(ar71xx_eth0_data.mac_addr, mac1, 0);
 194         ar71xx_init_mac(ar71xx_eth1_data.mac_addr, mac2, 1);
 195
 196         ar71xx_add_device_mdio(~(BIT(0) | BIT(4)));
 197
 198         ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
 199         ar71xx_eth0_data.speed = SPEED_1000;
 200         ar71xx_eth0_data.duplex = DUPLEX_FULL;
 201         ar71xx_eth0_data.phy_mask = BIT(0);
 202
 203         ar71xx_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
 204         ar71xx_eth1_data.phy_mask = BIT(4);
 205
 206         ar71xx_add_device_eth(0);
 207         ar71xx_add_device_eth(1);
 208
 209         ar71xx_add_device_usb();
 210
 211         ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(wzrhpag300h_leds_gpio),
 212                                         wzrhpag300h_leds_gpio);
 213
 214         ar71xx_register_gpio_keys_polled(-1, WZRHPAG300H_KEYS_POLL_INTERVAL,
 215                                          ARRAY_SIZE(wzrhpag300h_gpio_keys),
 216                                          wzrhpag300h_gpio_keys);
 217
 218         ar71xx_add_device_spi(NULL, ar71xx_spi_info,
 219                               ARRAY_SIZE(ar71xx_spi_info));
 220
 221         add_mtd_concat_notifier();
 222
 223         ap94_pci_init(eeprom1, mac1, eeprom2, mac2);
 224 }
 225
 226 MIPS_MACHINE(AR71XX_MACH_WZR_HP_AG300H, "WZR-HP-AG300H",
 227              "Buffalo WZR-HP-AG300H", wzrhpag300h_setup);
 228