openocd -f openocd.conf 
Open On-Chip Debugger 0.10.0-dev-00330-g5d5c9bc (2016-08-06-15:23)
Licensed under GNU GPL v2
For bug reports, read
	http://openocd.org/doc/doxygen/bugs.html
adapter speed: 100 kHz
none separate
SysfsGPIO nums: tck = 163, tms = 16, tdi = 162, tdo = 20
SysfsGPIO num: trst = 88
Info : SysfsGPIO JTAG/SWD bitbang driver
Info : JTAG only mode enabled (specify swclk and swdio gpio to add SWD mode)
Info : This adapter doesn't support configurable speed
Warn : There are no enabled taps.  AUTO PROBING MIGHT NOT WORK!!
Info : JTAG tap: auto0.tap tap/device found: 0x4ba00477 (mfg: 0x23b (ARM Ltd.), part: 0xba00, ver: 0x4)
Warn : AUTO auto0.tap - use "jtag newtap auto0 tap -irlen 4 -expected-id 0x4ba00477"
Warn : gdb services need one or more targets defined

> scan_chain
   TapName             Enabled  IdCode     Expected   IrLen IrCap IrMask
-- ------------------- -------- ---------- ---------- ----- ----- ------
 0 auto0.tap              Y     0x4ba00477 0x4ba00477     4 0x01  0x03