Tvheadend

Hello Guys, first I apologize for my English is not really good . I have an old Mygica atv310b box , he works with linux xbmc 13.0 m3 arm processor is a single core . Xbmc is linux but in this version is limited not have git not have apt -get the only thing that works is wget . In this situation , how can I install tvheadend as backend ? Is there a quick way ?

Tk in advance