I agree JTAG for the EP9302 would be nice.
It'd be nice if the TS watchdog automatically disabled if the serial
boot jumper is set.
And a header for the AC'97 if there's enough space.
-Curtis.
On Thu, 2005-06-02 at 19:01, genosensor wrote:
> We wanted to use some of our JTAG ICE tools on the TS-7200, but
> the board does not bring out the JTAG lines from its
> Cirrus ARM9 CPU. One of our very steady-handed techs managed
> to solder the required lines directly onto the CPU pins
> to connect a dongle to it that attached to our Abatron emulator.
>
> et viola!
>
> We can debug the bootloader.
> No more "bricked" boards because we can now reflash bootloader
> and Redboot.
>
> The only strangeness is that one must press the board's reset
> button to get it to start execution after resetting the CPU
> with the ICE. This is probably needed to clear the external
> watchdog and/or reset other programmable logic on board.
> But I'm not sure.
>
> The required board mod is not easy due to the fine pitch
> of the CPU pads. Just bringing those JTAG pins
> out to pads in the pattern of _some_ 8 pin connector would be
> a great help to developers.
> It would add nothing to the prime cost of the board.
>
> So, why not?
>
> Maybe on the next board spin?
>
> - brent
>
>
>
>
>
>
>
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