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ramips: add support for ASUS RT-AC57U

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SoC:   MediaTek MT7621AT
RAM:   128M (Winbond W631GG6KB-15)
FLASH: 16MB (Spansion S25FL128SA)
WiFi:  MediaTek MT7603EN bgn 2SS
WiFi:  MediaTek MT7612EN nac 2SS
BTN:   Reset - WPS
LED:    - Power
        - LAN {1-4}
        - WAN
        - WiFi 2.4 GHz
        - WiFi 5 GHz
        - USB
UART:  UART is present next to the Power LED.
       TX - RX - GND - 3V3 / 57600-8N1
       3V3 is the nearest one to the Power LED.

Installation
------------
Via TFTP:
1. Set your computers IP-Address to 192.168.1.75.
2. Power up the Router with the Reset button pressed.
3. Release the Reset button after 5 seconds.
4. Upload OpenWRT sysupgrade image via TFTP:
 > tftp -4 -v -m binary 192.168.1.1 -c put <IMAGE>

Via SSH:
Note: User/password for SSH is identical with the one used in the
Web-interface.
1. Complete the initial setup wizard.
2. Activate SSH under "Administration" -> "System".
3. Transfer the OpenWrt sysupgrade image via scp:
 > scp owrt.bin admin@192.168.1.1:/tmp
4. Connect via SSH to the router.
 > ssh admin@192.168.1.1
5. Write the OpenWrt image to flash.
 > mtd-write -i /tmp/owrt.bin -d linux
6. Reboot the router
 > reboot

Signed-off-by: David Bauer <mail@david-bauer.net>
master
David Bauer 5 years ago
parent c52ca08d40
commit 14e0e4f138
3 changed files with 163 additions and 4 deletions
Show Stats Download Patch File Download Diff File

10
target/linux/ramips/base-files/etc/board.d/02_network
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@ -186,6 +186,7 @@ ramips_setup_interfaces()
argus,atp-52b|\
asiarf,awm002-evb-4m|\
asiarf,awm002-evb-8m|\
asus,rt-ac57u|\
asus,rt-n14u|\
bdcom,wap2100-sk|\
dlink,dir-645|\
@ -521,6 +522,11 @@ ramips_setup_macs()
lan_mac=$(macaddr_setbit_la "$lan_mac")
wan_mac=$(macaddr_add "$lan_mac" 1)
;;
asus,rt-ac57u|\
planex,vr500)
lan_mac=$(mtd_get_mac_binary factory 57344)
wan_mac=$(mtd_get_mac_binary factory 57350)
;;
asus,rt-n56u)
lan_mac=$(cat /sys/class/net/eth0/address)
lan_mac=$(macaddr_setbit_la "$lan_mac")
@ -641,10 +647,6 @@ ramips_setup_macs()
wan_mac=$(mtd_get_mac_binary factory 4)
lan_mac=$(mtd_get_mac_binary factory 46)
;;
planex,vr500)
lan_mac=$(mtd_get_mac_binary factory 57344)
wan_mac=$(mtd_get_mac_binary factory 57350)
;;
poray,m3|\
poray,m4-4m|\
poray,m4-8m|\

148
target/linux/ramips/dts/mt7621_asus_rt-ac57u.dts
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@ -0,0 +1,148 @@
// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
/dts-v1/;
#include "mt7621.dtsi"
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
/ {
compatible = "asus,rt-ac57u", "mediatek,mt7621-soc";
model = "ASUS RT-AC57U";
aliases {
led-boot = &led_power;
led-failsafe = &led_power;
led-running = &led_power;
led-upgrade = &led_power;
};
chosen {
bootargs = "console=ttyS0,57600";
};
leds {
compatible = "gpio-leds";
led_power: power {
label = "rt-ac57u:blue:power";
gpios = <&gpio1 16 GPIO_ACTIVE_LOW>;
};
usb {
label = "rt-ac57u:blue:usb";
gpios = <&gpio1 15 GPIO_ACTIVE_LOW>;
trigger-sources = <&ehci_port2>;
linux,default-trigger = "usbport";
};
};
keys {
compatible = "gpio-keys";
wps {
label = "wps";
gpios = <&gpio1 11 GPIO_ACTIVE_HIGH>;
linux,code = <KEY_WPS_BUTTON>;
debounce-interval = <60>;
};
reset {
label = "reset";
gpios = <&gpio1 9 GPIO_ACTIVE_LOW>;
linux,code = <KEY_RESTART>;
debounce-interval = <60>;
};
};
led-regulator {
compatible = "regulator-fixed";
regulator-name = "LED-Power";
gpio = <&gpio1 14 GPIO_ACTIVE_LOW>;
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-always-on;
};
};
&spi0 {
status = "okay";
flash@0 {
compatible = "jedec,spi-nor";
reg = <0>;
spi-max-frequency = <10000000>;
partitions {
compatible = "fixed-partitions";
#address-cells = <1>;
#size-cells = <1>;
partition@0 {
label = "u-boot";
reg = <0x0 0x30000>;
read-only;
};
partition@30000 {
label = "config";
reg = <0x30000 0x10000>;
read-only;
};
factory: partition@40000 {
label = "factory";
reg = <0x40000 0x10000>;
read-only;
};
partition@50000 {
compatible = "denx,uimage";
label = "firmware";
reg = <0x50000 0xfb0000>;
};
};
};
};
&pcie {
status = "okay";
};
&pcie0 {
wifi@0,0 {
compatible = "mediatek,mt76";
reg = <0x0000 0 0 0 0>;
mediatek,mtd-eeprom = <&factory 0x8000>;
led {
led-sources = <2>;
led-active-low;
};
};
};
&pcie1 {
wifi@0,0 {
compatible = "mediatek,mt76";
reg = <0x0000 0 0 0 0>;
mediatek,mtd-eeprom = <&factory 0x0000>;
led {
led-active-low;
};
};
};
&ethernet {
mtd-mac-address = <&factory 0x4e000>;
};
&pinctrl {
state_default: pinctrl0 {
gpio {
ralink,group = "sdhci";
ralink,function = "gpio";
};
};
};

9
target/linux/ramips/image/mt7621.mk
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@ -106,6 +106,15 @@ define Device/asiarf_ap7621-001
endef
TARGET_DEVICES += asiarf_ap7621-001
define Device/asus_rt-ac57u
MTK_SOC := mt7621
DEVICE_VENDOR := ASUS
DEVICE_MODEL := RT-AC57U
IMAGE_SIZE := 16064k
DEVICE_PACKAGES := kmod-mt7603 kmod-mt76x2 kmod-usb3 kmod-usb-ledtrig-usbport wpad-basic
endef
TARGET_DEVICES += asus_rt-ac57u
define Device/buffalo_wsr-1166dhp
MTK_SOC := mt7621
IMAGE/sysupgrade.bin := trx | pad-rootfs | append-metadata

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