Warn : Timeout (1000ms) waiting for ACK=OK/FAULT in JTAG-DP

Hi

I’m working on a custom board with LM3S1607 micro.

I’m using ek-lm3s8962 board as jtag interface.

When openocd starts, prints the following report

openocd.exe -f board/ek-lm3s1968.cfg

Open On-Chip Debugger 0.4.0 (2010-02-22-19:05)

Licensed under GNU GPL v2

For bug reports, read

http://openocd.berlios.de/doc/doxygen/bugs.html

3000 kHz

jtag_nsrst_delay: 100

srst_only separate srst_gates_jtag srst_open_drain

Info : clock speed 3000 kHz

Info : JTAG tap: lm3s1968.cpu tap/device found: 0x3ba00477 (mfg: 0x23b, part: 0xba00, ver: 0x3)

Warn : Timeout (1000ms) waiting for ACK=OK/FAULT in JTAG-DP transaction

Warn : Timeout (1000ms) waiting for ACK=OK/FAULT in JTAG-DP transaction

Warn : Timeout (1000ms) waiting for ACK=OK/FAULT in JTAG-DP transaction

Warn : Timeout (1000ms) waiting for ACK=OK/FAULT in JTAG-DP transaction

Warn : Block read error address 0xe000ed00, count 0x1

I’m not able control the micro

Could anybody be so kind as to help me?

Thank you in advance

Best Regards

Andrea