In their github – https://github.com/AntMiner/AntGen1, antminer have their own openwrt firmware. You can easily flash the firmware to GL.iNet using GL.iNet’s uboot web interface. However I cannot set up using my usb antminer. We compiled openwrt firmware with cgminer 3.8.5 and Antminer driver. Here is a simple guidance. There is no warranty.