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_CONCAT
  32
  33 #ifdef CONFIG_MTD_PARTITIONS
  34 static struct mtd_partition wzrhpag300h_flash_partitions[] = {
  35         {
  36                 .name           = "u-boot",
  37                 .offset         = 0,
  38                 .size           = 0x0040000,
  39                 .mask_flags     = MTD_WRITEABLE,
  40         }, {
  41                 .name           = "u-boot-env",
  42                 .offset         = 0x0040000,
  43                 .size           = 0x0010000,
  44                 .mask_flags     = MTD_WRITEABLE,
  45         }, {
  46                 .name           = "art",
  47                 .offset         = 0x0050000,
  48                 .size           = 0x0010000,
  49                 .mask_flags     = MTD_WRITEABLE,
  50         }, {
  51                 .name           = "kernel",
  52                 .offset         = 0x0060000,
  53                 .size           = 0x0100000,
  54         }, {
  55                 .name           = "rootfs",
  56                 .offset         = 0x0160000,
  57                 .size           = 0x1e90000,
  58         }, {
  59                 .name           = "user_property",
  60                 .offset         = 0x1ff0000,
  61                 .size           = 0x0010000,
  62                 .mask_flags     = MTD_WRITEABLE,
  63         }, {
  64                 .name           = "firmware",
  65                 .offset         = 0x0060000,
  66                 .size           = 0x1f90000,
  67         }
  68 };
  69
  70 #endif /* CONFIG_MTD_PARTITIONS */
  71
  72 static struct mtd_info *concat_devs[2] = { NULL, NULL };
  73 static struct work_struct mtd_concat_work;
  74
  75 static void mtd_concat_add_work(struct work_struct *work)
  76 {
  77         struct mtd_info *mtd;
  78
  79         mtd = mtd_concat_create(concat_devs, ARRAY_SIZE(concat_devs), "flash");
  80
  81 #ifdef CONFIG_MTD_PARTITIONS
  82         add_mtd_partitions(mtd, wzrhpag300h_flash_partitions,
  83                            ARRAY_SIZE(wzrhpag300h_flash_partitions));
  84 #else
  85         add_mtd_device(mtd);
  86 #endif
  87 }
  88
  89 static void mtd_concat_add(struct mtd_info *mtd)
  90 {
  91         static bool registered = false;
  92
  93         if (registered)
  94                 return;
  95
  96         if (!strcmp(mtd->name, "spi0.0"))
  97                 concat_devs[0] = mtd;
  98         else if (!strcmp(mtd->name, "spi0.1"))
  99                 concat_devs[1] = mtd;
 100         else
 101                 return;
 102
 103         if (!concat_devs[0] || !concat_devs[1])
 104                 return;
 105
 106         registered = true;
 107         INIT_WORK(&mtd_concat_work, mtd_concat_add_work);
 108         schedule_work(&mtd_concat_work);
 109 }
 110
 111 static void mtd_concat_remove(struct mtd_info *mtd)
 112 {
 113 }
 114
 115 static void add_mtd_concat_notifier(void)
 116 {
 117         static struct mtd_notifier not = {
 118                 .add = mtd_concat_add,
 119                 .remove = mtd_concat_remove,
 120         };
 121
 122         register_mtd_user(&not);
 123 }
 124
 125 #endif
 126
 127 static struct gpio_led wzrhpag300h_leds_gpio[] __initdata = {
 128         {
 129                 .name           = "wzr-hp-ag300h:red:diag",
 130                 .gpio           = 1,
 131                 .active_low     = 1,
 132         },
 133 };
 134
 135
 136 static struct gpio_keys_button wzrhpag300h_gpio_keys[] __initdata = {
 137         {
 138                 .desc           = "reset",
 139                 .type           = EV_KEY,
 140                 .code           = KEY_RESTART,
 141                 .debounce_interval = WZRHPAG300H_KEYS_DEBOUNCE_INTERVAL,
 142                 .gpio           = 11,
 143                 .active_low     = 1,
 144         }, {
 145                 .desc           = "usb",
 146                 .type           = EV_KEY,
 147                 .code           = BTN_2,
 148                 .debounce_interval = WZRHPAG300H_KEYS_DEBOUNCE_INTERVAL,
 149                 .gpio           = 3,
 150                 .active_low     = 1,
 151         }, {
 152                 .desc           = "aoss",
 153                 .type           = EV_KEY,
 154                 .code           = KEY_WPS_BUTTON,
 155                 .debounce_interval = WZRHPAG300H_KEYS_DEBOUNCE_INTERVAL,
 156                 .gpio           = 5,
 157                 .active_low     = 1,
 158         }, {
 159                 .desc           = "router_auto",
 160                 .type           = EV_KEY,
 161                 .code           = BTN_6,
 162                 .debounce_interval = WZRHPAG300H_KEYS_DEBOUNCE_INTERVAL,
 163                 .gpio           = 6,
 164                 .active_low     = 1,
 165         }, {
 166                 .desc           = "router_off",
 167                 .type           = EV_KEY,
 168                 .code           = BTN_5,
 169                 .debounce_interval = WZRHPAG300H_KEYS_DEBOUNCE_INTERVAL,
 170                 .gpio           = 7,
 171                 .active_low     = 1,
 172         }
 173 };
 174
 175 static struct spi_board_info ar71xx_spi_info[] = {
 176         {
 177                 .bus_num        = 0,
 178                 .chip_select    = 0,
 179                 .max_speed_hz   = 25000000,
 180                 .modalias   = "m25p80",
 181         },
 182         {
 183                 .bus_num        = 0,
 184                 .chip_select    = 1,
 185                 .max_speed_hz   = 25000000,
 186                 .modalias   = "m25p80",
 187         }
 188 };
 189
 190 static void __init wzrhpag300h_setup(void)
 191 {
 192         u8 *eeprom1 = (u8 *) KSEG1ADDR(0x1f051000);
 193         u8 *eeprom2 = (u8 *) KSEG1ADDR(0x1f055000);
 194         u8 *mac1 = eeprom1 + WZRHPAG300H_MAC_OFFSET;
 195         u8 *mac2 = eeprom2 + WZRHPAG300H_MAC_OFFSET;
 196
 197         ar71xx_init_mac(ar71xx_eth0_data.mac_addr, mac1, 0);
 198         ar71xx_init_mac(ar71xx_eth1_data.mac_addr, mac2, 1);
 199
 200         ar71xx_add_device_mdio(~(BIT(0) | BIT(4)));
 201
 202         ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
 203         ar71xx_eth0_data.speed = SPEED_1000;
 204         ar71xx_eth0_data.duplex = DUPLEX_FULL;
 205         ar71xx_eth0_data.phy_mask = BIT(0);
 206
 207         ar71xx_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
 208         ar71xx_eth1_data.phy_mask = BIT(4);
 209
 210         ar71xx_add_device_eth(0);
 211         ar71xx_add_device_eth(1);
 212
 213         ar71xx_add_device_usb();
 214
 215         ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(wzrhpag300h_leds_gpio),
 216                                         wzrhpag300h_leds_gpio);
 217
 218         ar71xx_register_gpio_keys_polled(-1, WZRHPAG300H_KEYS_POLL_INTERVAL,
 219                                          ARRAY_SIZE(wzrhpag300h_gpio_keys),
 220                                          wzrhpag300h_gpio_keys);
 221
 222         ar71xx_add_device_spi(NULL, ar71xx_spi_info,
 223                               ARRAY_SIZE(ar71xx_spi_info));
 224
 225 #ifdef CONFIG_MTD_CONCAT
 226         add_mtd_concat_notifier();
 227 #endif
 228
 229         ap94_pci_init(eeprom1, mac1, eeprom2, mac2);
 230 }
 231
 232 MIPS_MACHINE(AR71XX_MACH_WZR_HP_AG300H, "WZR-HP-AG300H",
 233              "Buffalo WZR-HP-AG300H", wzrhpag300h_setup);
 234