On Sat, Jan 4, 2014 at 10:11 PM, Robert P. J. Day <rpj...@crashcourse.ca> wrote: > On Sat, 4 Jan 2014, Bill Traynor wrote: > >> On Sat, Jan 4, 2014 at 6:34 PM, Robert P. J. Day <rpj...@crashcourse.ca> >> wrote: >> > >> > following up on my earlier post on JTAG debugging, i dug into my >> > supplies and found my flyswatter 2 and associated cables and started >> > following the instructions here: >> > >> > http://elinux.org/Flyswatter2_Beagleboard_XM_How_To >> > >> > and ran into a couple issues. >> > >> > the first is that, if you look at the photos on that page, there's a >> > discrepancy between pics 4 and 5, as pic 4 shows the 10-pin ribbon >> > cable being connected, then suddenly that cable has vanished in pic 5, >> > and is replaced by the serial cable in pic 6, which is kind of >> > confusing. >> >> Yes, PIC4 and 5 are slightly confusing and incorrect. >> >> > >> > the bigger issue is an apparent bug in openocd. there is an openocd >> > package for fedora 20, which i installed with yum -- it's version >> > 0.7.0, which appears to be the latest version. if i then connect the >> > USB cable and run the appropriate openocd command, i get: >> > >> > # openocd -f interface/flyswatter2.cfg -f board/ti_beagleboard_xm.cfg -c >> > init -c "reset init" >> > Open On-Chip Debugger 0.7.0 (2013-09-07-16:51) >> > Licensed under GNU GPL v2 >> > For bug reports, read >> > http://openocd.sourceforge.net/doc/doxygen/bugs.html >> > Info : only one transport option; autoselect 'jtag' >> > adapter speed: 10 kHz >> > Warn : dm37x.dsp: huge IR length 38 >> > Runtime Error: embedded:startup.tcl:20: Unknown target type cortex_a, >> > try one of arm7tdmi, arm9tdmi, arm920t, arm720t, arm966e, arm946e, >> > arm926ejs, fa526, feroceon, dragonite, xscale, cortex_m, cortex_a8, >> > cortex_r4, arm11, mips_m4k, avr, dsp563xx, dsp5680xx, testee, >> > avr32_ap7k, or hla_target >> > in procedure 'script' >> > at file "embedded:startup.tcl", line 58 >> > at file "/usr/share/openocd/scripts/board/ti_beagleboard_xm.cfg", line 5 >> > in procedure 'target' called at file >> > "/usr/share/openocd/scripts/target/amdm37x.cfg", line 144 >> > in procedure 'ocd_bouncer' >> > at file "embedded:startup.tcl", line 20 >> > # >> > >> > "Unknown target type cortex_a"? >> > >> > if i go to line 144 of the config file, sure enough, i find: >> > >> > target create $_TARGETNAME cortex_a -chain-position $_CHIPNAME.dap >> > ^^^^^^^^ >> > >> > should that instead say "cortex_a8"? is this really a bug in openocd? >> > has anyone else tried this? >> >> Yes, and it used to work. Did the cfg file get patched for cortex_a. >> >> I'd also recommend NOT using the distros OpenOCD, but rather using the >> latest version in OpenOCDs Git repo. > > i just tried to build openocd from the git repo and, when all was > said and done, i was right back where i started -- with openocd > complaining about an unknown target type of "cortex_a". > > i'll try this again tomorrow after a good night's sleep, but i would > be interested in whether anyone else can get this to work on 64-bit > fedora 20 to talk to the beagleboard xm. > > more tomorrow ...
I'll give it a try as well tomorrow, or Monday. > > rday > > -- > > ======================================================================== > Robert P. J. Day Ottawa, Ontario, CANADA > http://crashcourse.ca > > Twitter: http://twitter.com/rpjday > LinkedIn: http://ca.linkedin.com/in/rpjday > ======================================================================== > > -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to the Google Groups > "BeagleBoard" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to beagleboard+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/groups/opt_out. -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to beagleboard+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
