target/linux/ar71xx/files/arch/mips/ath79/mach-dir-869-a1.c

   1 /*
   2  *  D-Link DIR-869 A1 support
   3  *
   4  *  Copyright (C) 2015-2016 P. Wassi <p.wassi at gmx.at>
   5  *  Copyright (C) 2016 Matthias Schiffer <mschiffer@universe-factory.net>
   6  *
   7  *  Derived from: mach-ubnt-unifiac.c
   8  *
   9  *  This program is free software; you can redistribute it and/or modify it
  10  *  under the terms of the GNU General Public License version 2 as published
  11  *  by the Free Software Foundation.
  12  */
  13
  14
  15 #include <linux/gpio.h>
  16 #include <linux/init.h>
  17 #include <linux/pci.h>
  18 #include <linux/platform_device.h>
  19 #include <linux/ath9k_platform.h>
  20
  21 #include <asm/mach-ath79/ath79.h>
  22 #include <asm/mach-ath79/irq.h>
  23 #include <asm/mach-ath79/ar71xx_regs.h>
  24
  25 #include <linux/platform_data/phy-at803x.h>
  26 #include <linux/ar8216_platform.h>
  27
  28 #include "common.h"
  29 #include "dev-ap9x-pci.h"
  30 #include "dev-eth.h"
  31 #include "dev-gpio-buttons.h"
  32 #include "dev-leds-gpio.h"
  33 #include "dev-m25p80.h"
  34 #include "dev-wmac.h"
  35 #include "machtypes.h"
  36 #include "nvram.h"
  37
  38
  39 #define DIR869A1_GPIO_BTN_RESET         1
  40 #define DIR869A1_GPIO_BTN_WPS           2
  41 #define DIR869A1_GPIO_SWITCH_MODE       8
  42
  43 #define DIR869A1_GPIO_ENABLE_SWITCH     11
  44
  45 #define DIR869A1_GPIO_LED_POWER         15
  46 #define DIR869A1_GPIO_LED_ORANGE        16
  47
  48 #define DIR869A1_KEYS_POLL_INTERVAL     20 /* msecs */
  49 #define DIR869A1_KEYS_DEBOUNCE_INTERVAL (3 * DIR869A1_KEYS_POLL_INTERVAL)
  50
  51
  52 #define DIR869A1_DEVDATA_ADDR           0x1f050000
  53 #define DIR869A1_DEVDATA_SIZE           0x10000
  54
  55 #define DIR869A1_EEPROM_ADDR            0x1fff0000
  56 #define DIR869A1_WMAC_CALDATA_OFFSET    0x1000
  57 #define DIR869A1_PCI_CALDATA_OFFSET     0x5000
  58
  59
  60 static struct gpio_led dir869a1_leds_gpio[] __initdata = {
  61         {
  62                 /* Actually, this GPIO controls the LED power,
  63                  * while d-link:orange:status switches it between
  64                  * orange and white */
  65                 .name           = "d-link:white:status",
  66                 .gpio           = DIR869A1_GPIO_LED_POWER,
  67                 .active_low     = 1,
  68         },
  69         {
  70                 .name           = "d-link:orange:status",
  71                 .gpio           = DIR869A1_GPIO_LED_ORANGE,
  72                 .active_low     = 0,
  73         },
  74 };
  75
  76 static struct gpio_keys_button dir869a1_gpio_keys[] __initdata = {
  77         {
  78                 .desc           = "reset",
  79                 .type           = EV_KEY,
  80                 .code           = KEY_RESTART,
  81                 .debounce_interval = DIR869A1_KEYS_DEBOUNCE_INTERVAL,
  82                 .gpio           = DIR869A1_GPIO_BTN_RESET,
  83                 .active_low     = 1,
  84         },
  85         {
  86                 .desc           = "wps",
  87                 .type           = EV_KEY,
  88                 .code           = KEY_WPS_BUTTON,
  89                 .debounce_interval = DIR869A1_KEYS_DEBOUNCE_INTERVAL,
  90                 .gpio           = DIR869A1_GPIO_BTN_WPS,
  91                 .active_low     = 1,
  92         },
  93         {
  94                 .desc           = "mode",
  95                 .type           = EV_SW,
  96                 .code           = BTN_0,
  97                 .debounce_interval = DIR869A1_KEYS_DEBOUNCE_INTERVAL,
  98                 .gpio           = DIR869A1_GPIO_SWITCH_MODE,
  99                 .active_low     = 0,
 100         },
 101 };
 102
 103
 104 static struct ar8327_pad_cfg dir869a1_ar8327_pad0_cfg = {
 105         .mode = AR8327_PAD_MAC_SGMII,
 106         .sgmii_delay_en = true,
 107 };
 108
 109 static struct ar8327_platform_data dir869a1_ar8327_data = {
 110         .pad0_cfg = &dir869a1_ar8327_pad0_cfg,
 111         .port0_cfg = {
 112                 .force_link = 1,
 113                 .speed = AR8327_PORT_SPEED_1000,
 114                 .duplex = 1,
 115                 .txpause = 1,
 116                 .rxpause = 1,
 117         },
 118 };
 119
 120
 121 static struct mdio_board_info dir869a1_mdio0_info[] = {
 122         {
 123                 .bus_id = "ag71xx-mdio.0",
 124                 .phy_addr = 0,
 125                 .platform_data = &dir869a1_ar8327_data,
 126         },
 127 };
 128
 129
 130 static void dir869a1_get_mac(const char *name, char *mac)
 131 {
 132         u8 *nvram = (u8 *) KSEG1ADDR(DIR869A1_DEVDATA_ADDR);
 133         int err;
 134
 135         err = ath79_nvram_parse_mac_addr(nvram, DIR869A1_DEVDATA_SIZE,
 136                                          name, mac);
 137         if (err)
 138                 pr_err("no MAC address found for %s\n", name);
 139 }
 140
 141 static void __init dir869a1_setup(void)
 142 {
 143         u8 *eeprom = (u8 *) KSEG1ADDR(DIR869A1_EEPROM_ADDR);
 144         u8 wlan24mac[ETH_ALEN] = {}, wlan5mac[ETH_ALEN] = {};
 145
 146         ath79_register_m25p80(NULL);
 147
 148         gpio_request_one(DIR869A1_GPIO_ENABLE_SWITCH,
 149                          GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED,
 150                          "Switch power");
 151
 152         dir869a1_get_mac("lanmac=", ath79_eth0_data.mac_addr);
 153         ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_SGMII;
 154         ath79_eth0_data.mii_bus_dev = &ath79_mdio0_device.dev;
 155         ath79_eth0_data.phy_mask = BIT(0);
 156
 157         mdiobus_register_board_info(dir869a1_mdio0_info,
 158                                     ARRAY_SIZE(dir869a1_mdio0_info));
 159
 160         ath79_register_mdio(0, 0);
 161         ath79_register_eth(0);
 162
 163         dir869a1_get_mac("wlan24mac=", wlan24mac);
 164         ath79_register_wmac(eeprom + DIR869A1_WMAC_CALDATA_OFFSET, wlan24mac);
 165
 166         dir869a1_get_mac("wlan5mac=", wlan5mac);
 167         ap91_pci_init(eeprom + DIR869A1_PCI_CALDATA_OFFSET, wlan5mac);
 168
 169         ath79_register_leds_gpio(-1, ARRAY_SIZE(dir869a1_leds_gpio),
 170                                  dir869a1_leds_gpio);
 171
 172         ath79_register_gpio_keys_polled(-1, DIR869A1_KEYS_POLL_INTERVAL,
 173                                         ARRAY_SIZE(dir869a1_gpio_keys),
 174                                         dir869a1_gpio_keys);
 175 }
 176
 177 MIPS_MACHINE(ATH79_MACH_DIR_869_A1, "DIR-869-A1", "D-Link DIR-869 rev. A1",
 178              dir869a1_setup);