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