ALFA Network R36A is a successor of the previous model, the R36 (Ralink RT3050F based). New version is based on Qualcomm/Atheros QCA9531 v2. Specification: - 650/400/200 MHz (CPU/DDR/AHB) - 64 MB of RAM (DDR2) - 16 MB of FLASH (SPI NOR) - 2x 10/100 Mbps Ethernet, with passive PoE support (24 V) - 2T2R (QCA9531) 2.4 GHz, 2x u.fl connectors on PCB - 1x USB 2.0 (power controlled by GPIO) - 6x LED (5 of them are driven by GPIO) - 2x button (reset, wifi/wps) - external h/w watchdog (EM6324QYSP5B, disabled and not used) - DC jack for main power input (12 V) - UART header on PCB Flash instruction: You can use sysupgrade image directly in vendor firmware which is based on LEDE/OpenWrt. Alternatively, you can use web recovery mode in U-Boot: 1. Configure PC with static IP 192.168.1.2/24. 2. Connect PC with one of RJ45 ports, press the reset button, power up device, wait for first blink of all LEDs (indicates network setup), then keep button for 3 following blinks and release it. 3. Open 192.168.1.1 address in your browser and upload sysupgrade image. Signed-off-by: Piotr Dymacz <pepe2k@gmail.com>master
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/*
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* ALFA Network R36A board support |
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* |
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* Copyright (C) 2018 Piotr Dymacz <pepe2k@gmail.com> |
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* |
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* This program is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 as published |
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* by the Free Software Foundation. |
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*/ |
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#include <linux/gpio.h> |
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#include <linux/platform_device.h> |
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#include <asm/mach-ath79/ath79.h> |
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#include <asm/mach-ath79/ar71xx_regs.h> |
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#include "common.h" |
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#include "dev-eth.h" |
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#include "dev-gpio-buttons.h" |
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#include "dev-leds-gpio.h" |
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#include "dev-m25p80.h" |
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#include "dev-usb.h" |
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#include "dev-wmac.h" |
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#include "machtypes.h" |
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#define R36A_GPIO_LED_LAN 4 |
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#define R36A_GPIO_LED_STATUS 14 |
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#define R36A_GPIO_LED_USB 12 |
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#define R36A_GPIO_LED_WAN 16 |
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#define R36A_GPIO_LED_WLAN 15 |
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#define R36A_GPIO_WDT_EN 1 |
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#define R36A_GPIO_WDT_IN 0 |
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#define R36A_GPIO_USB_PWR 3 |
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#define R36A_GPIO_BTN_RESET 2 |
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#define R36A_GPIO_BTN_RFKILL 17 |
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#define R36A_KEYS_POLL_INTERVAL 20 |
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#define R36A_KEYS_DEBOUNCE_INTERVAL (3 * R36A_KEYS_POLL_INTERVAL) |
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#define R36A_WMAC_CALDATA_OFFSET 0x1000 |
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static struct gpio_led r36a_leds_gpio[] __initdata = { |
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{ |
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.name = "r36a:blue:lan", |
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.gpio = R36A_GPIO_LED_LAN, |
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.active_low = 1, |
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}, { |
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.name = "r36a:blue:status", |
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.gpio = R36A_GPIO_LED_STATUS, |
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.active_low = 1, |
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}, { |
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.name = "r36a:blue:usb", |
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.gpio = R36A_GPIO_LED_USB, |
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.active_low = 1, |
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}, { |
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.name = "r36a:blue:wan", |
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.gpio = R36A_GPIO_LED_WAN, |
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.active_low = 1, |
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}, { |
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.name = "r36a:blue:wlan", |
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.gpio = R36A_GPIO_LED_WLAN, |
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.active_low = 1, |
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}, |
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}; |
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static struct gpio_keys_button r36a_gpio_keys[] __initdata = { |
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{ |
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.desc = "reset", |
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.type = EV_KEY, |
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.code = KEY_RESTART, |
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.debounce_interval = R36A_KEYS_DEBOUNCE_INTERVAL, |
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.gpio = R36A_GPIO_BTN_RESET, |
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.active_low = 1, |
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}, { |
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.desc = "rfkill", |
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.type = EV_KEY, |
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.code = KEY_RFKILL, |
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.debounce_interval = R36A_KEYS_DEBOUNCE_INTERVAL, |
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.gpio = R36A_GPIO_BTN_RFKILL, |
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.active_low = 1, |
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}, |
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}; |
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static void __init r36a_setup(void) |
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{ |
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u8 *art = (u8 *) KSEG1ADDR(0x1f070000); |
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ath79_register_m25p80(NULL); |
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ath79_setup_ar933x_phy4_switch(false, false); |
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ath79_register_mdio(0, 0x0); |
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ath79_switch_data.phy4_mii_en = 1; |
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ath79_switch_data.phy_poll_mask = 0xf7; |
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/* LAN */ |
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ath79_eth0_data.duplex = DUPLEX_FULL; |
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ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII; |
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ath79_eth0_data.phy_mask = BIT(4); |
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ath79_eth0_data.speed = SPEED_100; |
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ath79_init_mac(ath79_eth0_data.mac_addr, art, 0); |
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ath79_register_eth(0); |
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/* WAN */ |
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ath79_eth1_data.duplex = DUPLEX_FULL; |
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ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_GMII; |
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ath79_init_mac(ath79_eth1_data.mac_addr, art, 1); |
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ath79_register_eth(1); |
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/* Disable JTAG (enables GPIO0-3) */ |
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ath79_gpio_function_enable(AR934X_GPIO_FUNC_JTAG_DISABLE); |
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ath79_register_leds_gpio(-1, ARRAY_SIZE(r36a_leds_gpio), |
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r36a_leds_gpio); |
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ath79_register_gpio_keys_polled(-1, R36A_KEYS_POLL_INTERVAL, |
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ARRAY_SIZE(r36a_gpio_keys), |
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r36a_gpio_keys); |
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gpio_request_one(R36A_GPIO_WDT_IN, |
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GPIOF_OUT_INIT_LOW | GPIOF_EXPORT_DIR_FIXED, |
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"WDT input"); |
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gpio_request_one(R36A_GPIO_WDT_EN, |
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GPIOF_OUT_INIT_LOW | GPIOF_EXPORT_DIR_FIXED, |
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"WDT enable"); |
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gpio_request_one(R36A_GPIO_USB_PWR, |
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GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED, |
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"USB power"); |
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ath79_register_wmac(art + R36A_WMAC_CALDATA_OFFSET, NULL); |
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ath79_register_usb(); |
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} |
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MIPS_MACHINE(ATH79_MACH_R36A, "R36A", "ALFA Network R36A", r36a_setup); |
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