urjtag 0.10+r2007-1.2 (arm64 binary) in ubuntu utopic

 A command line tool for communicating over JTAG (IEEE 1149.1) with various
 flash chips, CPUs, boards and JTAG adapters.
 .
 It has an open and modular architecture with the ability to write
 miscellaneous extensions (like board testers, or flash memory programmers).
 .
 This is a (more actively maintained) fork of the 'openwince-jtag' software.