我的开发板是飞凌的s3c2440用openjtag连接，可是openocd里的target无法连接 http://openocd.sourceforge.net/doc/doxygen/bugs.html
Info : only one transport option; autoselect 'jtag'
DEPRECATED! use 'adapter_khz' not 'jtag_khz'
6000 kHz
trst_and_srst separate srst_gates_jtag trst_push_pull srst_open_drain
fast memory access is enabled
Info : device: 4 "2232C"
Info : deviceID: 341266712
Info : SerialNumber: FTdxaRDkA
Info : Description: USB<=>JTAG&RS232 A
Info : clock speed 6000 kHz
Error: JTAG scan chain interrogation failed: all ones
Error: Check JTAG interface, timings, target power, etc.
Error: Trying to use configured scan chain anyway...
Error: s3c2440.cpu: IR capture error; saw 0x0f not 0x01
Warn : Bypassing JTAG setup events due to errors
Info : Embedded ICE version 15
Error: unknown EmbeddedICE version (comms ctrl: 0xffffffff)
Info : s3c2440.cpu: hardware has 2 breakpoint/watchpoint units
Warn : ThumbEE -- incomplete support
/6 
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