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 59static const char *mynet_rext_part_probes[] = { 60 "cybertan", 61 NULL, 62}; 63 64static struct flash_platform_data mynet_rext_flash_data = { 65 .type = "s25fl064k", 66 .part_probes = mynet_rext_part_probes, 67}; 68 69static 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 102static 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 128static 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 135static 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 143static 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 154static 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 207MIPS_MACHINE(ATH79_MACH_MYNET_REXT, "MYNET-REXT", 208 "WD My Net Wi-Fi Range Extender", mynet_rext_setup); 209