Calypso JTAG documented

Harald Welte laforge at
Thu Jul 11 01:47:03 UTC 2019

Hi Mychaela,

thanks for sharing your amazing journey.

I have one comment below:

On Sat, Jun 29, 2019 at 10:18:23PM -0800, Mychaela Falconia wrote:

> Finally on the basis on all of these experiments and discoveries, I
> put together an OpenOCD-on-Calypso config that operates correctly on
> our chipset and allows all 3 possibilities: halting the Calypso without
> a reset, resetting the chipset and the board without a halt, and doing
> the "reset and hold still" maneuvre.  This OpenOCD config and
> instructions for using it reside in the freecalypso-hwlab repository.

Wouldn't it make sense to submit that new openocd config to openocd for
inclusion in their repository, to ensure future builds of openocd
will have good out-of-the-box support for Calypso?

- Harald Welte <laforge at> 
"Privacy in residential applications is a desirable marketing option."
                                                  (ETSI EN 300 175-7 Ch. A6)

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