jtag trouble j100i

Mathias K. kesmtp at freenet.de
Mon May 7 19:39:59 UTC 2012


Hello,

On 07.05.2012 21:12, Steve Markgraf wrote:
> Have you actually tried openocd_calyso.cfg as-is? It works fine here,
> even with a J100i.

yes, i have tried it before but i got the same results:

Info : 208 46 core.c:1069 jtag_examine_chain(): TAP calypso.dsp does not have IDCODE
Info : 209 46 core.c:951 jtag_examine_chain_display(): JTAG tap: calypso.arm tap/device found:
0xf9001807 (mfg: 0x403, part: 0x9001, ver: 0xf)
Warn : 210 46 core.c:951 jtag_examine_chain_display(): JTAG tap: calypso.arm       UNEXPECTED:
0xf9001807 (mfg: 0x403, part: 0x9001, ver: 0xf)
Error: 211 47 core.c:951 jtag_examine_chain_display(): JTAG tap: calypso.arm  expected 1 of 1:
0x3100e02f (mfg: 0x017, part: 0x100e, ver: 0x3)

...

Info : 219 55 embeddedice.c:232 embeddedice_build_reg_cache(): Embedded ICE version 0
Error: 220 55 embeddedice.c:297 embeddedice_build_reg_cache(): unknown EmbeddedICE version (comms
ctrl: 0x00000000)


Did you solder anything else than the jtag signals + gnd/vcc? Is there anything else to take care
(running firmware/custom firmware, batterie, external charger cable)? I use the arm usb tiny jtag
adapter and the signals looking good so far. I also reduced the jtag speed but there is no difference.


Regards,

Mathias




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