板子是s3c4510b,配置文件于前面一篇帖子的一样：
#Daemon configuration
telnet_port 4444
gdb_port 3333
daemon_startup attach
#JTAG interface configuration
interface ft2232
jtag_speed 0
reset_config trst_and_srst
jtag_device 4 0x1 0xf 0xe
jtag_nsrst_delay 100
jtag_ntrst_delay 50
ft2232_vid_pid 0x1457 0x5118
ft2232_layout "jtagkey"
ft2232_device_desc "USB<=>JTAG&RS232"
#Target configuration
target arm7tdmi little reset_run 0 arm7tdmi
run_and_halt_time 0 50
当进入工作目录启动openocd时出现下面错误：
root@waveguider-desktop:/work/eclipse_projects# openocd -f openocd.cfg
Open On-Chip Debugger 1.0 (2008-10-04-09:26) svn:717
$URL: svn://svn.berlios.de/openocd/trunk/src/openocd.c $
Info: options.c:50 configuration_output_handler(): Open On-Chip Debugger 1.0 (2008-10-04-09:26) svn:717
Info: options.c:50 configuration_output_handler(): jtag_speed: 0, 0
Error: jtag.c:1351 jtag_examine_chain(): JTAG communication failure, check connection, JTAG interface, target power etc.
Error: jtag.c:1556 jtag_init_inner(): trying to validate configured JTAG chain anyway...
Error: jtag.c:1444 jtag_validate_chain(): Error validating JTAG scan chain, IR mismatch, scan returned 0x3f
Error: jtag.c:1444 jtag_validate_chain(): Error validating JTAG scan chain, IR mismatch, scan returned 0x3f
Error: jtag.c:1444 jtag_validate_chain(): Error validating JTAG scan chain, IR mismatch, scan returned 0x3f
Error: jtag.c:1444 jtag_validate_chain(): Error validating JTAG scan chain, IR mismatch, scan returned 0x3f
Error: jtag.c:1444 jtag_validate_chain(): Error validating JTAG scan chain, IR mismatch, scan returned 0x3f
Error: jtag.c:1444 jtag_validate_chain(): Error validating JTAG scan chain, IR mismatch, scan returned 0x3f
Error: jtag.c:1565 jtag_init_inner(): Could not validate JTAG chain, exit
Error: jtag.c:1351 jtag_examine_chain(): JTAG communication failure, check connection, JTAG interface, target power etc.
Error: jtag.c:1556 jtag_init_inner(): trying to validate configured JTAG chain anyway...
Error: jtag.c:1444 jtag_validate_chain(): Error validating JTAG scan chain, IR mismatch, scan returned 0x3f
Error: jtag.c:1444 jtag_validate_chain(): Error validating JTAG scan chain, IR mismatch, scan returned 0x3f
Error: jtag.c:1444 jtag_validate_chain(): Error validating JTAG scan chain, IR mismatch, scan returned 0x3f
Error: jtag.c:1444 jtag_validate_chain(): Error validating JTAG scan chain, IR mismatch, scan returned 0x3f
Error: jtag.c:1444 jtag_validate_chain(): Error validating JTAG scan chain, IR mismatch, scan returned 0x3f
Error: jtag.c:1444 jtag_validate_chain(): Error validating JTAG scan chain, IR mismatch, scan returned 0x3f
Error: jtag.c:1565 jtag_init_inner(): Could not validate JTAG chain, exit
帮我看下怎么解决，谢谢了
