openmips-6.1-gbquad4k-20170525
http://image.openmips.com/6.1/gbquad4k/openmips-6.1-gbquad4k-20170525_usb.zip

http://image.openmips.com/6.1/gbquad4k/openmips-6.1-gbquad4k-20170525_usb.zip