| 1 | /* |
| 2 | * TRENDnet TEW-712BR board support |
| 3 | * |
| 4 | * Copyright (C) 2012 Gabor Juhos <juhosg@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/gpio.h> |
| 12 | |
| 13 | #include <asm/mach-ath79/ath79.h> |
| 14 | #include <asm/mach-ath79/ar71xx_regs.h> |
| 15 | |
| 16 | #include "common.h" |
| 17 | #include "dev-eth.h" |
| 18 | #include "dev-gpio-buttons.h" |
| 19 | #include "dev-leds-gpio.h" |
| 20 | #include "dev-m25p80.h" |
| 21 | #include "dev-wmac.h" |
| 22 | #include "machtypes.h" |
| 23 | |
| 24 | #define TEW_712BR_GPIO_BTN_WPS 11 |
| 25 | #define TEW_712BR_GPIO_BTN_RESET 12 |
| 26 | |
| 27 | #define TEW_712BR_GPIO_LED_LAN1 13 |
| 28 | #define TEW_712BR_GPIO_LED_LAN2 14 |
| 29 | #define TEW_712BR_GPIO_LED_LAN3 15 |
| 30 | #define TEW_712BR_GPIO_LED_LAN4 16 |
| 31 | #define TEW_712BR_GPIO_LED_POWER_GREEN 20 |
| 32 | #define TEW_712BR_GPIO_LED_POWER_ORANGE 27 |
| 33 | #define TEW_712BR_GPIO_LED_WAN_GREEN 17 |
| 34 | #define TEW_712BR_GPIO_LED_WAN_ORANGE 23 |
| 35 | #define TEW_712BR_GPIO_LED_WLAN 0 |
| 36 | #define TEW_712BR_GPIO_LED_WPS 26 |
| 37 | |
| 38 | #define TEW_712BR_GPIO_WAN_LED_ENABLE 1 |
| 39 | |
| 40 | #define TEW_712BR_KEYS_POLL_INTERVAL 20 /* msecs */ |
| 41 | #define TEW_712BR_KEYS_DEBOUNCE_INTERVAL (3 * TEW_712BR_KEYS_POLL_INTERVAL) |
| 42 | |
| 43 | #define TEW_712BR_ART_ADDRESS 0x1f010000 |
| 44 | #define TEW_712BR_CALDATA_OFFSET 0x1000 |
| 45 | #define TEW_712BR_LAN_MAC_ADDRESS 0x1f020004 |
| 46 | #define TEW_712BR_WAN_MAC_ADDRESS 0x1f020016 |
| 47 | |
| 48 | static struct gpio_led tew_712br_leds_gpio[] __initdata = { |
| 49 | { |
| 50 | .name = "trendnet:green:lan1", |
| 51 | .gpio = TEW_712BR_GPIO_LED_LAN1, |
| 52 | .active_low = 0, |
| 53 | }, { |
| 54 | .name = "trendnet:green:lan2", |
| 55 | .gpio = TEW_712BR_GPIO_LED_LAN2, |
| 56 | .active_low = 0, |
| 57 | }, { |
| 58 | .name = "trendnet:green:lan3", |
| 59 | .gpio = TEW_712BR_GPIO_LED_LAN3, |
| 60 | .active_low = 0, |
| 61 | }, { |
| 62 | .name = "trendnet:green:lan4", |
| 63 | .gpio = TEW_712BR_GPIO_LED_LAN4, |
| 64 | .active_low = 0, |
| 65 | }, { |
| 66 | .name = "trendnet:blue:wps", |
| 67 | .gpio = TEW_712BR_GPIO_LED_WPS, |
| 68 | .active_low = 1, |
| 69 | }, { |
| 70 | .name = "trendnet:green:power", |
| 71 | .gpio = TEW_712BR_GPIO_LED_POWER_GREEN, |
| 72 | .active_low = 0, |
| 73 | }, { |
| 74 | .name = "trendnet:orange:power", |
| 75 | .gpio = TEW_712BR_GPIO_LED_POWER_ORANGE, |
| 76 | .active_low = 0, |
| 77 | }, { |
| 78 | .name = "trendnet:green:wan", |
| 79 | .gpio = TEW_712BR_GPIO_LED_WAN_GREEN, |
| 80 | .active_low = 1, |
| 81 | }, { |
| 82 | .name = "trendnet:orange:wan", |
| 83 | .gpio = TEW_712BR_GPIO_LED_WAN_ORANGE, |
| 84 | .active_low = 0, |
| 85 | }, { |
| 86 | .name = "trendnet:green:wlan", |
| 87 | .gpio = TEW_712BR_GPIO_LED_WLAN, |
| 88 | .active_low = 0, |
| 89 | }, |
| 90 | }; |
| 91 | |
| 92 | static struct gpio_keys_button tew_712br_gpio_keys[] __initdata = { |
| 93 | { |
| 94 | .desc = "Reset button", |
| 95 | .type = EV_KEY, |
| 96 | .code = KEY_RESTART, |
| 97 | .debounce_interval = TEW_712BR_KEYS_DEBOUNCE_INTERVAL, |
| 98 | .gpio = TEW_712BR_GPIO_BTN_RESET, |
| 99 | .active_low = 1, |
| 100 | }, { |
| 101 | .desc = "WPS button", |
| 102 | .type = EV_KEY, |
| 103 | .code = KEY_WPS_BUTTON, |
| 104 | .debounce_interval = TEW_712BR_KEYS_DEBOUNCE_INTERVAL, |
| 105 | .gpio = TEW_712BR_GPIO_BTN_WPS, |
| 106 | .active_low = 1, |
| 107 | } |
| 108 | }; |
| 109 | |
| 110 | static void __init tew_712br_read_ascii_mac(u8 *dest, unsigned int src_addr) |
| 111 | { |
| 112 | int ret; |
| 113 | u8 *src = (u8 *)KSEG1ADDR(src_addr); |
| 114 | |
| 115 | ret = sscanf(src, "%02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx", |
| 116 | &dest[0], &dest[1], &dest[2], |
| 117 | &dest[3], &dest[4], &dest[5]); |
| 118 | |
| 119 | if (ret != ETH_ALEN) |
| 120 | memset(dest, 0, ETH_ALEN); |
| 121 | } |
| 122 | |
| 123 | static void __init tew_712br_setup(void) |
| 124 | { |
| 125 | u8 *art = (u8 *) KSEG1ADDR(TEW_712BR_ART_ADDRESS); |
| 126 | u8 lan_mac[ETH_ALEN]; |
| 127 | u8 wan_mac[ETH_ALEN]; |
| 128 | |
| 129 | ath79_setup_ar933x_phy4_switch(false, false); |
| 130 | |
| 131 | ath79_gpio_function_disable(AR933X_GPIO_FUNC_ETH_SWITCH_LED0_EN | |
| 132 | AR933X_GPIO_FUNC_ETH_SWITCH_LED1_EN | |
| 133 | AR933X_GPIO_FUNC_ETH_SWITCH_LED2_EN | |
| 134 | AR933X_GPIO_FUNC_ETH_SWITCH_LED3_EN | |
| 135 | AR933X_GPIO_FUNC_ETH_SWITCH_LED4_EN); |
| 136 | |
| 137 | gpio_request_one(TEW_712BR_GPIO_WAN_LED_ENABLE, |
| 138 | GPIOF_OUT_INIT_LOW, "WAN LED enable"); |
| 139 | |
| 140 | ath79_register_leds_gpio(-1, ARRAY_SIZE(tew_712br_leds_gpio), |
| 141 | tew_712br_leds_gpio); |
| 142 | |
| 143 | ath79_register_gpio_keys_polled(1, TEW_712BR_KEYS_POLL_INTERVAL, |
| 144 | ARRAY_SIZE(tew_712br_gpio_keys), |
| 145 | tew_712br_gpio_keys); |
| 146 | |
| 147 | ath79_register_m25p80(NULL); |
| 148 | |
| 149 | tew_712br_read_ascii_mac(lan_mac, TEW_712BR_LAN_MAC_ADDRESS); |
| 150 | tew_712br_read_ascii_mac(wan_mac, TEW_712BR_WAN_MAC_ADDRESS); |
| 151 | |
| 152 | ath79_init_mac(ath79_eth0_data.mac_addr, wan_mac, 0); |
| 153 | ath79_init_mac(ath79_eth1_data.mac_addr, lan_mac, 0); |
| 154 | |
| 155 | ath79_register_mdio(0, 0x0); |
| 156 | ath79_register_eth(1); |
| 157 | ath79_register_eth(0); |
| 158 | |
| 159 | ath79_register_wmac(art + TEW_712BR_CALDATA_OFFSET, wan_mac); |
| 160 | } |
| 161 | |
| 162 | MIPS_MACHINE(ATH79_MACH_TEW_712BR, "TEW-712BR", |
| 163 | "TRENDnet TEW-712BR", tew_712br_setup); |
| 164 | |
