On Wed, Dec 10, 2008 at 11:21 AM, Andreas Kuehn <[EMAIL PROTECTED]> wrote: > Hi! > > I'm trying to run openocd on an ARM9/uClibc system to access some > "client" ARMs and configure them. Therefore, I adapted the at91rm9200 > interface to my hardware situation. I could verify with a Scope that the > signals are there (TCK, TDI, TDO, TMS). Only the openocd gives me some > headache. For some reasons I got this output when running from gdb:
The clocking is off somehow. You should have seen 0x000000ff instead and you can clearly see that the sometimes the remaining idcodes are left/right by one bit. > Info: JTAG device found: 0x0792603f (Manufacturer: 0x01f, Part:0x7926, > Version: 0x0) > Warning:Unexpected idcode after end of chain! 256 0x000000fe > Warning:Unexpected idcode after end of chain! 288 0x0000007f > Warning:Unexpected idcode after end of chain! 320 0x000000ff > Warning:Unexpected idcode after end of chain! 352 0x0000007f > Warning:Unexpected idcode after end of chain! 384 0x800000ff > Warning:Unexpected idcode after end of chain! 416 0x000001ff > Warning:Unexpected idcode after end of chain! 448 0x800000ff > Warning:Unexpected idcode after end of chain! 480 0x000001ff > Warning:Unexpected idcode after end of chain! 512 0x000000ff > Warning:Unexpected idcode after end of chain! 544 0x800000ff > Warning:Unexpected idcode after end of chain! 576 0x000000ff > Warning:Unexpected idcode after end of chain! 608 0x800000ff > > Program received signal SIGSEGV, Segmentation fault. > 0x00051a3c in interface_jtag_add_dr_out (device_num=0, num_fields=0, > num_bits=0x2, value=0xeead8, end_state=TAP_RTI) at jtag.c:732 > 732 in jtag.c What SVN version are you running? There isn't really anything on 732 that could segfault. See also: http://svn.berlios.de/svnroot/repos/openocd/trunk/BUGS > > > > What is the reason for this behavior. > a.) Why do I receive "Unexpected idcode"? your JTAG clock is off. > b.) Why is that command chain failing? > > I use openocd svn revision 1191. > > > Regards > akuehn > _______________________________________________ > Openocd-development mailing list > Openocd-development@lists.berlios.de > https://lists.berlios.de/mailman/listinfo/openocd-development > -- Øyvind Harboe http://www.zylin.com/zy1000.html ARM7 ARM9 XScale Cortex JTAG debugger and flash programmer _______________________________________________ Openocd-development mailing list Openocd-development@lists.berlios.de https://lists.berlios.de/mailman/listinfo/openocd-development
