On Sunday 28 February 2010, Arne Pagel wrote:
> David Brownell schrieb:
> > OK, I just merged this.  It should work with any JTAG (or
> > JTAG/SWD) Adapter which implements the jtag_add_tms_seq()
> > infrastructure ... for the moment, that's only FT2232 ...
> > so all the Stellaris eval boards are covered, and others
> > can start implementing that too.
> 
> Great Job David, It works !!
> I wrote a self locking Firmware, and the used stellaris recover 0 to unlock 
> it again !
> It works safe, I tested several times, no problem so far.

Good news!  And thanks for testing on your hardware...

 
> one minor issue:
> openocd produces a segfault during the user power cycle sequence, at the
> moment power is restored to  target again.
> This is reproducible, even with a not locked device, always when I will
> switch target-power off and  restore it again a segfault is the result.

Hmm, I didn't observe that at all.  I wonder if that's specific
to the "recover" procedure, or whether other power cycle sequences
would do the same thing?

Regardless, note that the action you're prompted to do is not just a
power cycle ... it's "power cycle Stellaris chip, then restart OpenOCD."

So one *could* argue the segfault is just fortune's way to make sure
you really follow the second half of those instructions... ;)

- Dave

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