[PATCH 00/15] KBOOT boots NAND kernel

[xiangfu]

matt_hsu wrote:
> xiangfu wrote:
>> matt_hsu wrote:
>>>    Hi Xianfu,
>>>
>>>    What the default openocd config do you use?
>>>      Matt
>> now it's work again, i pull off the battery and unplug the usb cable 
>> , wait a moment .
>    You can try to tune the jtag_speed. my jtag_speed config is set as 8.
i change it
but this come out again:
xiangfu at xiangfu-laptop:~$ sudo openocd
Info:    openocd.c:93 main(): Open On-Chip Debugger (2007-09-05 09:00 CEST)
Error:   jtag.c:1253 jtag_examine_chain(): JTAG communication failure, 
check connection, JTAG interface, target power etc.
Error:   jtag.c:1440 jtag_init(): trying to validate configured JTAG 
chain anyway...
Error:   jtag.c:1346 jtag_validate_chain(): Error validating JTAG scan 
chain, IR mismatch, scan returned 0x00
Error:   jtag.c:1346 jtag_validate_chain(): Error validating JTAG scan 
chain, IR mismatch, scan returned 0x00
Error:   jtag.c:1346 jtag_validate_chain(): Error validating JTAG scan 
chain, IR mismatch, scan returned 0x00
Error:   jtag.c:1346 jtag_validate_chain(): Error validating JTAG scan 
chain, IR mismatch, scan returned 0x00
Error:   jtag.c:1346 jtag_validate_chain(): Error validating JTAG scan 
chain, IR mismatch, scan returned 0x00
Error:   jtag.c:1346 jtag_validate_chain(): Error validating JTAG scan 
chain, IR mismatch, scan returned 0x00
Error:   jtag.c:1448 jtag_init(): Could not validate JTAG chain, exit