/* * NETGEAR WNR2200 board support * * Copyright (C) 2013 Aidan Kissane * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 as published * by the Free Software Foundation. */ #include #include #include #include /* for max() macro */ #include #include /* needed to disable switch LEDs */ #include "common.h" /* needed to disable switch LEDs */ #include "dev-ap9x-pci.h" #include "dev-eth.h" #include "dev-gpio-buttons.h" #include "dev-leds-gpio.h" #include "dev-m25p80.h" #include "dev-usb.h" #include "machtypes.h" /* WNR2200 - connected through AR7241 */ #define WNR2200_GPIO_LED_LAN2_AMBER 0 #define WNR2200_GPIO_LED_LAN4_AMBER 1 #define WNR2200_GPIO_LED_LAN1_AMBER 6 /* AR724X_GPIO_FUNC_JTAG_DISABLE */ #define WNR2200_GPIO_LED_WPS_GREEN 7 /* AR724X_GPIO_FUNC_JTAG_DISABLE */ #define WNR2200_GPIO_LED_USB_GREEN 8 /* AR724X_GPIO_FUNC_JTAG_DISABLE */ #define WNR2200_GPIO_LED_LAN3_AMBER 11 #define WNR2200_GPIO_LED_WAN_AMBER 12 #define WNR2200_GPIO_LED_LAN1_GREEN 13 /* AR724X_..._ETH_SWITCH_LED0 */ #define WNR2200_GPIO_LED_LAN2_GREEN 14 /* AR724X_..._ETH_SWITCH_LED1 */ #define WNR2200_GPIO_LED_LAN3_GREEN 15 /* AR724X_..._ETH_SWITCH_LED2 */ #define WNR2200_GPIO_LED_LAN4_GREEN 16 /* AR724X_..._ETH_SWITCH_LED3 */ #define WNR2200_GPIO_LED_WAN_GREEN 17 /* AR724X_..._ETH_SWITCH_LED4 */ /* WNR2200 - connected through AR9287 */ #define WNR2200_GPIO_WMAC_LED_WLAN_BLUE 0 #define WNR2200_GPIO_WMAC_LED_TEST_AMBER 1 #define WNR2200_GPIO_WMAC_LED_POWER_GREEN 2 #define WNR2200_GPIO_WMAC_BTN_RFKILL 3 #define WNR2200_GPIO_WMAC_USB_5V 4 #define WNR2200_GPIO_WMAC_BTN_WPS 5 #define WNR2200_GPIO_WMAC_BTN_RESET 6 #define WNR2200_KEYS_POLL_INTERVAL 20 /* msecs */ #define WNR2200_KEYS_DEBOUNCE_INTERVAL (3 * WNR2200_KEYS_POLL_INTERVAL) #define WNR2200_MAC0_OFFSET 0 #define WNR2200_MAC1_OFFSET 6 #define WNR2200_PCIE_CALDATA_OFFSET 0x1000 #define WNR2200_WMAC_OFFSET 0x108c /* wireless MAC is inside ART */ static struct gpio_led wnr2200_leds_gpio[] __initdata = { { .name = "netgear:amber:lan1", .gpio = WNR2200_GPIO_LED_LAN1_AMBER, .active_low = 1, }, { .name = "netgear:amber:lan2", .gpio = WNR2200_GPIO_LED_LAN2_AMBER, .active_low = 1, }, { .name = "netgear:amber:lan3", .gpio = WNR2200_GPIO_LED_LAN3_AMBER, .active_low = 1, }, { .name = "netgear:amber:lan4", .gpio = WNR2200_GPIO_LED_LAN4_AMBER, .active_low = 1, }, { .name = "netgear:amber:wan", .gpio = WNR2200_GPIO_LED_WAN_AMBER, .active_low = 1, }, { .name = "netgear:green:lan1", .gpio = WNR2200_GPIO_LED_LAN1_GREEN, .active_low = 1, }, { .name = "netgear:green:lan2", .gpio = WNR2200_GPIO_LED_LAN2_GREEN, .active_low = 1, }, { .name = "netgear:green:lan3", .gpio = WNR2200_GPIO_LED_LAN3_GREEN, .active_low = 1, }, { .name = "netgear:green:lan4", .gpio = WNR2200_GPIO_LED_LAN4_GREEN, .active_low = 1, }, { .name = "netgear:green:usb", .gpio = WNR2200_GPIO_LED_USB_GREEN, .active_low = 1, }, { .name = "netgear:green:wan", .gpio = WNR2200_GPIO_LED_WAN_GREEN, .active_low = 1, }, { .name = "netgear:green:wps", .gpio = WNR2200_GPIO_LED_WPS_GREEN, .active_low = 1, } }; static const char *wnr2200_wmac_led_name = "netgear:blue:wlan"; static struct gpio_led wnr2200_wmac_leds_gpio[] = { { .name = "netgear:amber:test", .gpio = WNR2200_GPIO_WMAC_LED_TEST_AMBER, .active_low = 1, }, { .name = "netgear:green:power", .gpio = WNR2200_GPIO_WMAC_LED_POWER_GREEN, .active_low = 1, .default_state = LEDS_GPIO_DEFSTATE_ON, } }; static struct gpio_keys_button wnr2200_wmac_keys_gpio[] = { { .desc = "reset", .type = EV_KEY, .code = KEY_RESTART, .debounce_interval = WNR2200_KEYS_DEBOUNCE_INTERVAL, .gpio = WNR2200_GPIO_WMAC_BTN_RESET, .active_low = 1, }, { .desc = "rfkill", .type = EV_KEY, .code = KEY_RFKILL, .debounce_interval = WNR2200_KEYS_DEBOUNCE_INTERVAL, .gpio = WNR2200_GPIO_WMAC_BTN_RFKILL, .active_low = 1, }, { .desc = "wps", .type = EV_KEY, .code = KEY_WPS_BUTTON, .debounce_interval = WNR2200_KEYS_DEBOUNCE_INTERVAL, .gpio = WNR2200_GPIO_WMAC_BTN_WPS, .active_low = 1, } }; /* * For WNR2200 ART flash area used for WLAN MAC is usually empty (0xff) * so ath9k driver uses random MAC instead each time module is loaded. * OpenWrt's original fix was to copy eth1 address to WLAN interface. * New solution does not duplicate hardware addresses and is taken from * WNR2000v3 code. It assigns permanent WLAN MAC equal to ethN's MAC * plus 1, so network interfaces get sequential addresses. * If ART wireless MAC address field has been filled by user, use it. */ static void __init wnr2200_get_wmac(u8 *wmac_gen_addr, int mac0_art_offset, int mac1_art_offset, int wmac_art_offset) { u8 *art = (u8 *) KSEG1ADDR(0x1fff0000); u8 *eth0_mac_addr = (u8 *) (art + mac0_art_offset); u8 *eth1_mac_addr = (u8 *) (art + mac1_art_offset); u8 *wlan_mac_addr = (u8 *) (art + wmac_art_offset); /* only 0xff if all bits are set - address is invalid, empty area */ if ((wlan_mac_addr[0] & wlan_mac_addr[1] & wlan_mac_addr[2] & wlan_mac_addr[3] & wlan_mac_addr[4] & wlan_mac_addr[5]) == 0xff) { memcpy(wmac_gen_addr, eth0_mac_addr, 5); wmac_gen_addr[5] = max(eth0_mac_addr[5], eth1_mac_addr[5]) + 1; /* Avoid potential conflict in case max(0xff,0x00)+1==0x00 */ if (!wmac_gen_addr[5]) wmac_gen_addr[5] = 1; } else memcpy(wmac_gen_addr, wlan_mac_addr, 6); } static void __init wnr2200_setup(void) { u8 *art = (u8 *) KSEG1ADDR(0x1fff0000); u8 wlan_mac_addr[6]; /* * Disable JTAG to use all AR724X GPIO LEDs. Disable CLKs. * Allow OS to control all link LEDs. */ ath79_gpio_function_setup(AR724X_GPIO_FUNC_JTAG_DISABLE | AR724X_GPIO_FUNC_UART_EN, AR724X_GPIO_FUNC_CLK_OBS1_EN | AR724X_GPIO_FUNC_CLK_OBS2_EN | AR724X_GPIO_FUNC_CLK_OBS3_EN | AR724X_GPIO_FUNC_CLK_OBS4_EN | AR724X_GPIO_FUNC_CLK_OBS5_EN | AR724X_GPIO_FUNC_GE0_MII_CLK_EN | AR724X_GPIO_FUNC_ETH_SWITCH_LED0_EN | AR724X_GPIO_FUNC_ETH_SWITCH_LED1_EN | AR724X_GPIO_FUNC_ETH_SWITCH_LED2_EN | AR724X_GPIO_FUNC_ETH_SWITCH_LED3_EN | AR724X_GPIO_FUNC_ETH_SWITCH_LED4_EN); ath79_register_mdio(0, 0x0); ath79_init_mac(ath79_eth0_data.mac_addr, art + WNR2200_MAC0_OFFSET, 0); ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RMII; ath79_eth0_data.speed = SPEED_100; ath79_eth0_data.duplex = DUPLEX_FULL; ath79_init_mac(ath79_eth1_data.mac_addr, art + WNR2200_MAC1_OFFSET, 0); ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RMII; ath79_eth1_data.phy_mask = 0x10; ath79_register_eth(0); ath79_register_eth(1); ath79_register_m25p80(NULL); wnr2200_get_wmac(wlan_mac_addr, WNR2200_MAC0_OFFSET, WNR2200_MAC1_OFFSET, WNR2200_WMAC_OFFSET); ap91_pci_init(art + WNR2200_PCIE_CALDATA_OFFSET, wlan_mac_addr); ath79_register_leds_gpio(-1, ARRAY_SIZE(wnr2200_leds_gpio), wnr2200_leds_gpio); ap9x_pci_setup_wmac_led_pin(0, WNR2200_GPIO_WMAC_LED_WLAN_BLUE); ap9x_pci_setup_wmac_led_name(0, wnr2200_wmac_led_name); ap9x_pci_setup_wmac_leds(0, wnr2200_wmac_leds_gpio, ARRAY_SIZE(wnr2200_wmac_leds_gpio)); /* All 3 buttons are connected to wireless chip */ ap9x_pci_setup_wmac_btns(0, wnr2200_wmac_keys_gpio, ARRAY_SIZE(wnr2200_wmac_keys_gpio), WNR2200_KEYS_POLL_INTERVAL); /* enable power for the USB port */ ap9x_pci_setup_wmac_gpio(0, BIT(WNR2200_GPIO_WMAC_USB_5V), BIT(WNR2200_GPIO_WMAC_USB_5V)); ath79_register_usb(); } MIPS_MACHINE(ATH79_MACH_WNR2200, "WNR2200", "NETGEAR WNR2200", wnr2200_setup);