Hi, On 07.05.2012 20:37, Mathias K. wrote: > set _CPUTAPID 0xf9001807 > jtag newtap $_CHIPNAME dsp -expected-id 0x00000000 -irlen 5 That doesn't look right, the idcode is 0x3100e02f and the DSP irlen is 8. Have you actually tried openocd_calyso.cfg as-is? It works fine here, even with a J100i. Regards, Steve