Jeff Williams wrote:
> OK, I added Peter's version of the state table, and it works OK for me
> on MC1322x. I've recreated the jlink portion of patch with this new
> state table. His changes to my state table are pretty minor in terms
> of total transitions, but Peter feels that his version fixes some
> long-standing problems.
Jeff, with your patch:
what works and what does not:
a) FAILS - my "ftd2232c" - based dongle from Olimex.
Same thing that Alan is using on the arm11.
b) FAILS - my "yellow jlink - from IAR Systems"
Fails with this message repeatedly
>> DBGACK set while target was in unknown state. Reset or initialize
target.
>> invalid mode value encountered
>> cpsr contains invalid mode value - communication failure
>> DBGACK set while target was in unknown state. Reset or initialize
target.
c) *WORKS* - my "blue" SAM-ICE jlink (the OEM blue version of segger
jlink that Atmel sells) seems to work.
By works - I can reset-halt an atmel arm7tdmi based target (olimex
sam7-ex256 eval board)
I've done *NO* other tests.
I'm going to take a closer look at what is going on and see if I can get
some traces to see what is happening.
The *BIGGEST* problem is - in all cases, there is a lot of background
activity where OpenOCD is *POLLING* the target constantly.
There needs to be a way to *disable* that - I don't know how, perhaps
somebody can speak up.
-Duane.
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