target/linux/ar71xx/files/arch/mips/ath79/mach-mynet-rext.c

   1 /*
   2  *  WD My Net WI-FI Range Extender (Codename:Starfish db12x) board support
   3  *
   4  *  Copyright (C) 2013 Christian Lamparter <chunkeey@googlemail.com>
   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/pci.h>
  12 #include <linux/phy.h>
  13 #include <linux/gpio.h>
  14 #include <linux/platform_device.h>
  15 #include <linux/ath9k_platform.h>
  16 #include <linux/ar8216_platform.h>
  17 #include <linux/platform_data/phy-at803x.h>
  18
  19 #include <asm/mach-ath79/ar71xx_regs.h>
  20
  21 #include "common.h"
  22 #include "dev-ap9x-pci.h"
  23 #include "dev-eth.h"
  24 #include "dev-gpio-buttons.h"
  25 #include "dev-leds-gpio.h"
  26 #include "dev-m25p80.h"
  27 #include "dev-spi.h"
  28 #include "dev-usb.h"
  29 #include "dev-wmac.h"
  30 #include "machtypes.h"
  31 #include "nvram.h"
  32
  33 #define MYNET_REXT_GPIO_LED_POWER       11
  34 #define MYNET_REXT_GPIO_LED_ETHERNET    12
  35 #define MYNET_REXT_GPIO_LED_WIFI        19
  36
  37 #define MYNET_REXT_GPIO_LED_RF_QTY1     20
  38 #define MYNET_REXT_GPIO_LED_RF_QTY2     21
  39 #define MYNET_REXT_GPIO_LED_RF_QTY3     22
  40
  41 #define MYNET_REXT_GPIO_BTN_RESET       13
  42 #define MYNET_REXT_GPIO_BTN_WPS         15
  43 #define MYNET_REXT_GPIO_SW_RF           14
  44
  45 #define MYNET_REXT_GPIO_PHY_SWRST       16      /* disables Ethernet PHY */
  46 #define MYNET_REXT_GPIO_PHY_INT         17
  47 #define MYNET_REXT_GPIO_18              18
  48
  49 #define MYNET_REXT_KEYS_POLL_INTERVAL   20      /* msecs */
  50 #define MYNET_REXT_KEYS_DEBOUNCE_INTERVAL (3 * MYNET_REXT_KEYS_POLL_INTERVAL)
  51
  52 #define MYNET_REXT_WMAC_CALDATA_OFFSET  0x1000
  53
  54 #define MYNET_REXT_NVRAM_ADDR           0x1f7e0010
  55 #define MYNET_REXT_NVRAM_SIZE           0xfff0
  56
  57 #define MYNET_REXT_ART_ADDR             0x1f7f0000
  58
  59 static const char *mynet_rext_part_probes[] = {
  60         "cybertan",
  61         NULL,
  62 };
  63
  64 static struct flash_platform_data mynet_rext_flash_data = {
  65         .type           = "s25fl064k",
  66         .part_probes    = mynet_rext_part_probes,
  67 };
  68
  69 static struct gpio_led mynet_rext_leds_gpio[] __initdata = {
  70         {
  71                 .name           = "wd:blue:power",
  72                 .gpio           = MYNET_REXT_GPIO_LED_POWER,
  73                 .active_low     = 0,
  74         },
  75         {
  76                 .name           = "wd:blue:wireless",
  77                 .gpio           = MYNET_REXT_GPIO_LED_WIFI,
  78                 .active_low     = 1,
  79         },
  80         {
  81                 .name           = "wd:blue:ethernet",
  82                 .gpio           = MYNET_REXT_GPIO_LED_ETHERNET,
  83                 .active_low     = 1,
  84         },
  85         {
  86                 .name           = "wd:blue:quality1",
  87                 .gpio           = MYNET_REXT_GPIO_LED_RF_QTY1,
  88                 .active_low     = 1,
  89         },
  90         {
  91                 .name           = "wd:blue:quality2",
  92                 .gpio           = MYNET_REXT_GPIO_LED_RF_QTY2,
  93                 .active_low     = 1,
  94         },
  95         {
  96                 .name           = "wd:blue:quality3",
  97                 .gpio           = MYNET_REXT_GPIO_LED_RF_QTY3,
  98                 .active_low     = 1,
  99         },
 100 };
 101
 102 static struct gpio_keys_button mynet_rext_gpio_keys[] __initdata = {
 103         {
 104                 .desc           = "Reset button",
 105                 .type           = EV_KEY,
 106                 .code           = KEY_RESTART,
 107                 .debounce_interval = MYNET_REXT_KEYS_DEBOUNCE_INTERVAL,
 108                 .gpio           = MYNET_REXT_GPIO_BTN_RESET,
 109                 .active_low     = 1,
 110         },
 111         {
 112                 .desc           = "WPS button",
 113                 .type           = EV_KEY,
 114                 .code           = KEY_WPS_BUTTON,
 115                 .debounce_interval = MYNET_REXT_KEYS_DEBOUNCE_INTERVAL,
 116                 .gpio           = MYNET_REXT_GPIO_BTN_WPS,
 117                 .active_low     = 1,
 118         },
 119         {
 120                 .desc           = "RF Band switch",
 121                 .type           = EV_SW,
 122                 .code           = BTN_1,
 123                 .debounce_interval = MYNET_REXT_KEYS_DEBOUNCE_INTERVAL,
 124                 .gpio           = MYNET_REXT_GPIO_SW_RF,
 125         },
 126 };
 127
 128 static struct at803x_platform_data mynet_rext_at803x_data = {
 129         .disable_smarteee = 0,
 130         .enable_rgmii_rx_delay = 1,
 131         .enable_rgmii_tx_delay = 0,
 132         .fixup_rgmii_tx_delay = 1,
 133 };
 134
 135 static struct mdio_board_info mynet_rext_mdio0_info[] = {
 136         {
 137                 .bus_id = "ag71xx-mdio.0",
 138                 .phy_addr = 4,
 139                 .platform_data = &mynet_rext_at803x_data,
 140         },
 141 };
 142
 143 static void mynet_rext_get_mac(const char *name, char *mac)
 144 {
 145         u8 *nvram = (u8 *) KSEG1ADDR(MYNET_REXT_NVRAM_ADDR);
 146         int err;
 147
 148         err = ath79_nvram_parse_mac_addr(nvram, MYNET_REXT_NVRAM_SIZE,
 149                                          name, mac);
 150         if (err)
 151                 pr_err("no MAC address found for %s\n", name);
 152 }
 153
 154 static void __init mynet_rext_setup(void)
 155 {
 156         u8 *art = (u8 *) KSEG1ADDR(MYNET_REXT_ART_ADDR);
 157         u8 tmpmac[ETH_ALEN];
 158
 159         ath79_register_m25p80(&mynet_rext_flash_data);
 160
 161         /* GPIO configuration from drivers/char/GPIO8.c */
 162
 163         ath79_gpio_output_select(MYNET_REXT_GPIO_LED_POWER,
 164                                  AR934X_GPIO_OUT_GPIO);
 165         ath79_gpio_output_select(MYNET_REXT_GPIO_LED_WIFI,
 166                                  AR934X_GPIO_OUT_GPIO);
 167         ath79_gpio_output_select(MYNET_REXT_GPIO_LED_RF_QTY1,
 168                                  AR934X_GPIO_OUT_GPIO);
 169         ath79_gpio_output_select(MYNET_REXT_GPIO_LED_RF_QTY2,
 170                                  AR934X_GPIO_OUT_GPIO);
 171         ath79_gpio_output_select(MYNET_REXT_GPIO_LED_RF_QTY3,
 172                                  AR934X_GPIO_OUT_GPIO);
 173         ath79_gpio_output_select(MYNET_REXT_GPIO_LED_ETHERNET,
 174                                  AR934X_GPIO_OUT_GPIO);
 175         ath79_register_leds_gpio(-1, ARRAY_SIZE(mynet_rext_leds_gpio),
 176                                  mynet_rext_leds_gpio);
 177
 178         ath79_register_gpio_keys_polled(-1, MYNET_REXT_KEYS_POLL_INTERVAL,
 179                                         ARRAY_SIZE(mynet_rext_gpio_keys),
 180                                         mynet_rext_gpio_keys);
 181
 182         ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_RGMII_GMAC0 |
 183                                    AR934X_ETH_CFG_RXD_DELAY |
 184                                    AR934X_ETH_CFG_RDV_DELAY);
 185
 186         ath79_register_mdio(0, 0x0);
 187
 188         mdiobus_register_board_info(mynet_rext_mdio0_info,
 189                                     ARRAY_SIZE(mynet_rext_mdio0_info));
 190
 191         /* LAN */
 192         mynet_rext_get_mac("et0macaddr=", ath79_eth0_data.mac_addr);
 193
 194         /* GMAC0 is connected to an external PHY on Port 4 */
 195         ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
 196         ath79_eth0_data.phy_mask = BIT(4);
 197         ath79_eth0_pll_data.pll_10   = 0x00001313; /* athrs_mac.c */
 198         ath79_eth0_pll_data.pll_1000 = 0x0e000000; /* athrs_mac.c */
 199         ath79_eth0_data.mii_bus_dev = &ath79_mdio0_device.dev;
 200         ath79_register_eth(0);
 201
 202         /* WLAN */
 203         mynet_rext_get_mac("wl0_hwaddr=", tmpmac);
 204         ap91_pci_init(art + MYNET_REXT_WMAC_CALDATA_OFFSET, tmpmac);
 205 }
 206
 207 MIPS_MACHINE(ATH79_MACH_MYNET_REXT, "MYNET-REXT",
 208              "WD My Net Wi-Fi Range Extender", mynet_rext_setup);