Dne Pá 16. dubna 2010 09:45:09 Kaius Häggblom napsal(a):
> The JTAGkey-tiny dongle and board work OK, I have now successfully used
> the ColibriLoader software to download images to the board.
> 
> ~kaius

Hey, 
firstly, please stop top-posting (aka post below the email you are replying to 
or into it if you have comments to specific stuff).
> 
> Kaius Häggblom wrote:
> > The attached trace was produced by starting program:
> > ./src/openocd -s tcl -f board/colibri_pxa320.cfg -f nterface/jtagkey.cfg
> > 
> >  -d 3 -l openocd.lo
> > 
> > ... and issuing following commands through telnet client:
> >  > reg
> >  > reset halt
> >  > reg cpsr 0xd3
> >  > reset halt
> > 
> > Exactly as in original post with this issue on PXA270, writing and
> > reading regs work OK, but anything else fails.
> > 
> > ~kaius
> > 
> > yvind Harboe wrote:
> >> I would strongly encourage someone who's familiar with these patches
> >> to repost them to this list so we can work on getting the changes
> >> merged.
> >> 
> >> Should be in that projects and OpenOCD's interest...
> > 
> > ------------------------------------------------------------------------

Ok, about this issue, I noticed weird stuff:

My JTAGKey clone (FT2232 based with 74HC125 buffer and therefore 5V IO) works 
with:
PXA320 Toradex Colibri board -- the board moreover has an internal buffer logic 
between the JTAG pins and the CPU
PXA310 Marvell Littleton board -- the board has the JTAG pins connected 
directly 
to the CPU
PXA270 Voipac board -- Directly connected too

And it doesn't work with the same problems on PXA270 ZipitZ2 board. The only 
difference here from the Voipac board is the missing nSRST pin. Interestingly 
though, urJTAG works with this board with the same JTAG dongle.

So it puzzles me whether it's a hardware or software issue.

Cheers!
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