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Wade,<br>
<br>
the v4fx60 has two PPC405. Please make sure that both PPC405 are
connected to the jtagppc_cntrl in your MHS hardware project file. You
might want to compare your setup with the ML410 reference design
available at
<a class="moz-txt-link-freetext" href="http://www.xilinx.com/products/boards/ml410/designs/ml410_bsb_design.zip">http://www.xilinx.com/products/boards/ml410/designs/ml410_bsb_design.zip</a>.<br>
<br>
The JTAG IR length of the v4fx60 is 14 (6 for the FPGA + 4 for each
PPC405, i.e. for the 4vfx60 it's 6+4+4=14)<br>
<br>
- Peter<br>
<br>
<br>
Wade Maxfield wrote:<br>
<blockquote
cite="mid45a1b53e0612140805p589b5bdfpd4fb3347cdb60ded@mail.gmail.com"
type="cite">Hi,<br>
<br>
We are trying to generate a system ace file that will program an xf60
using Xilinx scripts, <br>
(and even their impact GUI), using 8.1i, service pack 3 EDK.<br>
<br>
Unfortunately, if we choose the ml410 board from Xilinx's genace.tcl
script <br>
in their EDK/data/xmd directory, it errors with an invalid instruction
register length.<br>
The irlength is listed as 14 in the xilinx script files. I looked and
googled and could<br>
not find the irlength listed for that xf60 part in any literature.
<br>
<br>
Also, if we try to include the zImage.elf file, the script errors out.<br>
<br>
Conversely, if we choose an ml403 board (and switch the project to
the xf12 chip), <br>
we can combine the zImage.elf file and generate a system.ace file that
loads on an<br>
ml403 board.<br>
<br>
We can take the download.bit file that refuses to load when combined
into the system.ace, <br>
and load it over the jtag port. It programs the xf60 just fine.<br>
<br>
If we create an empty system.ace file, the system ace chip on our
board signals everything is ok,<br>
but of course, the xilinx chip is not programmed. If we pull the
compact flash out of the board,<br>
the system ace chip signals that is can't find the compact flash by
flashing the error light.
<br>
<br>
Has anyone on this list had any experience with this that could lead
us in a right direction? We've<br>
tried about 10 different combinations so far with no luck.<br>
<br>
thanks,<br>
wade<br>
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