Was a u-boot created for the wzr-hp-g300nh? And if so was there a way to flash it via jtag?

I recently wiped the bootloader on my router, i have access to jtag via bus blaster and openocd, but do not know how to flash. Please help Thank you

http://lists.denx.de/pipermail/u-boot/2012-November/140917.html