Oh fun.  I'll take a look.  That hadn't occurred to me, but that would make
the most sense.

On Thu, Dec 17, 2009 at 12:42 PM, David Brownell <davi...@pacbell.net>wrote:

> On Thursday 17 December 2009, Charles Vaughn wrote:
> > Error: 409 14198 core.c:905 jtag_examine_chain_check(): JTAG scan chain
> > interrogation failed: all ones
>
> I vaguely recall that some of the early Stellaris boards
> (like that one!) actually wired up TRST ... other chips
> don't seem to expose that signal, so it's not wired out
> of the JTAG adapters' CPLDs either.
>
> The "all ones" could indicate that the TAP is still being
> held in reset ... perhaps via TRST.  I suggest you check
> your reset_config lines against board schematics, and
> maybe the code for that specific adapter.
>
> There are a bunch of Stellaris eval boards, with minor
> differences in JTAG wiring.  I'm not sure which config
> is right for that board.  I use "interface/luminary.cfg"
> on a different board and it's fine, so I'd expect once
> you sort out this config issue you'll have no problems.
>
> - Dave
>
> p.s. I also add "reset_config srst_nogate" to my
>   board's default "reset_config srst_only", but I
>   don't recall that anything would care about that.
>
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