Patches have been merged (thanks Gabor Juhos!), and the TL-WDR4900 v2.0 is now supported in trunk since r39637.
tl-wdr4900-v2-squashfs-factory.bin
tl-wdr4900-v2-squashfs-sysupgrade.bin
Thank you very much~
Are you have the 16MB U-boot for this board?
I want to mod the flash chip.