bash-3.2$ ./jtag

UrJTAG 0.10 #1502
Copyright (C) 2002, 2003 ETC s.r.o.
Copyright (C) 2007, 2008, 2009 Kolja Waschk and the respective authors

UrJTAG is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
There is absolutely no warranty for UrJTAG.

WARNING: UrJTAG may damage your hardware!
Type "quit" to exit, "help" for help.

jtag> cable ft2232
Connected to libftd2xx driver.
jtag> detect
IR length: 5
Chain length: 1
Device Id: 00000000000000000000000000000001 (0x0000000000000001)
  Unknown manufacturer!
chain.c(149) Part 0 without active instruction
chain.c(200) Part 0 without active instruction
chain.c(149) Part 0 without active instruction
jtag> include atheros/ar2312/ar2312
ImpCode=01000000010000000100000000000000 40404000
EJTAG version: 2.6
EJTAG Implementation flags: R4k ASID_8 NoDMA MIPS32
Processor entered Debug Mode.
jtag>