We are developing a set of UBOOT / Linux products based on the AMCC 
440EP and 405EX PowerPC processors.  They have their basis on the AMCC Yosemite 
and Kilauea development platforms.  Are there any user's recommendations of 
pluses and minuses of the various JTAG development tools?  The 440EP will be 
booting from NOR flash, so it's development is pretty straightforward.  The 
goal in the 405EX design is to boot from NAND flash.  This will be more of a 
challenge.  Do any of the JTAG development tools offer JTAG NAND flash 
programming that can recognize and skip the bad blocks of NAND flash?  How are 
other users programming the soldered down NAND flash for the initial UBOOT 
development and loading the NAND flash in a production environment?  Thank you 
for any insights.


Daniel Batryn
Shoretel Inc.


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