$ src/openocd -s ./tcl -f ./tcl/interface/orsoc-jtag.cfg -f ./tcl/board/or1k_generic.cfg
Open On-Chip Debugger 0.9.0-dev-00019-g970a12a-dirty (2014-07-22-16:01)
Licensed under GNU GPL v2
For bug reports, read
	http://openocd.sourceforge.net/doc/doxygen/bugs.html
Error: The specified debug interface was not found (ft2232)
The following debug interfaces are available:
1: ftdi
2: usb_blaster
3: usbprog
4: jlink
5: vsllink
6: rlink
7: ulink
8: arm-jtag-ew
9: hla
10: osbdm
11: opendous
12: aice
Runtime Error: ./tcl/interface/orsoc-jtag.cfg:7:
in procedure 'script'
at file "embedded:startup.tcl", line 58
in procedure 'interface' called at file "./tcl/interface/orsoc-jtag.cfg", line 7