Cory, you read the pastebin conversation, right?

On Sun, Jun 14, 2009 at 11:15 PM, Cory Walker <[email protected]> wrote:

> See my last message even with the jumpers soldered, the jtag could
> still be disabled by hardware or software.
>
>
>
> On Jun 14, 2009, at 9:37 PM, tof <[email protected]> wrote:
>
> > the jtag is just cut through unpopulated jumpers.
> > si it's not available externally on normal models.
> >
> > But soldering jumpers is the only thing necessary to have it ;)
> >
> >
> > sto
> >
> >
> >
> > Cory Walker a écrit :
> >> Sorry, my ipod sent the message
> >> Too soon. Anyways, perhaps JTag halting has been disabled on non-dev
> >> models. I know on AVRs there are lock bits that can be set to disable
> >> reading/writing to the chip. Maybe the 8700 has something similar for
> >> jtag. Will look at the datasheet later. I wonder if other models have
> >> jtag on the same dock pins. I might be able to test my 4g if i can
> >> build a jtag unit and get a dock breakout. It makes me suspicious
> >> that
> >> apple would leave a working jtag lawing around, especially on the
> >> dock
> >> connector. Surely it would be disabled or something.
> >>
> >>
> >>
> >> On Jun 14, 2009, at 11:12 AM, tof <[email protected]> wrote:
> >>
> >>> So, even more good news :
> >>>
> >>> JTAG device found: 0x10940f0f (Manufacturer: 0x787, Part: 0x0940,
> >>> Version: 0x1)
> >>>
> >>> so i's the arm !
> >>>
> >>> but it seems i cannot halt it for looking at the registers and other
> >>> things.
> >>>
> >>> are there some ARM debug experts ? i would need help on this...
> >>>
> >>>
> >>> sto
> >>>
> >>>
> >>>
> >>> openocd log :
> >>>
> >>> ------------------
> >>> openocd -f openocd.conf
> >>> Open On-Chip Debugger 1.0 (2008-06-22-10:53) svn:unknown
> >>> $URL: http://svn.berlios.de/svnroot/repos/openocd/trunk/src/
> >>> openocd.c $
> >>> Info:    options.c:50 configuration_output_handler(): jtag_speed:
> >>> 1, 1
> >>> Info:    options.c:50 configuration_output_handler(): Open On-Chip
> >>> Debugger 1.0 (2008-06-22-10:53) svn:unknown
> >>> Info:    jtag.c:1376 jtag_examine_chain(): JTAG device found:
> >>> 0x10940f0f
> >>> (Manufacturer: 0x787, Part: 0x0940, Version: 0x1)
> >>> Info:    jtag.c:1376 jtag_examine_chain(): JTAG device found:
> >>> 0x10940f0f
> >>> (Manufacturer: 0x787, Part: 0x0940, Version: 0x1)
> >>> User:    target.c:435 target_process_reset(): Timed out waiting for
> >>> halt
> >>> after reset
> >>> Info:    server.c:78 add_connection(): accepting 'telnet' connection
> >>> from 0
> >>> Error:   target.c:1789 wait_state(): timed out while waiting for
> >>> target
> >>> halted
> >>> --------------------
> >>>
> >>> config :
> >>> --------------------
> >>> #daemon configuration
> >>> telnet_port 1111
> >>> gdb_port 2222
> >>>
> >>> #interface
> >>> interface parport
> >>> parport_port 0
> >>> parport_cable dlc5
> >>> jtag_speed 1
> >>>
> >>>
> >>> #use combined on interfaces or targets that can't set TRST/SRST
> >>> separately
> >>> reset_config trst_and_srst srst_pulls_trst
> >>> #jtag scan chain
> >>> #format L IRC IRCM IDCODE (Length, IR Capture, IR Capture Mask,
> >>> IDCODE)
> >>> jtag_device 4 0x1 0xf 0xe
> >>> #target configuration
> >>> daemon_startup reset
> >>>
> >>>
> >>> #target <type> <startup mode>
> >>> #target arm7tdmi <reset mode> <chainpos> <endianness> <variant>
> >>> target arm7tdmi little run_and_halt 0 arm7tdmi-s_r4
> >>> run_and_halt_time 0 30
> >>>
> >>> --------------------
> >>>
> >>> telnet :
> >>> -------------------
> >>>
> >>> Open On-Chip Debugger
> >>>> halt
> >>> waiting for target halted...
> >>> timed out while waiting for target halted
> >>> -------------------
> >>>
> >>>
> >>>
> >>>
> >>>
> >>>
> >>>
> >>> Cory Walker a écrit :
> >>>> Amazing! Simply amazing! I am vacationing in the outer banks right
> >>>> now
> >>>> so I have nothing but an ipod touch. Have you checked the 8700
> >>>> datasheet we found for JTAG info I can't look right now. I should
> >>>> be
> >>>> back in a week and I could help w/ research and the wiki.
> >>>> Congrats!!!
> >>>>
> >>> _______________________________________________
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> >>> [email protected]
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> >>> http://www.linux4nano.org
> >>
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