How to rebuild a lost CFI table

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originally posted by benway@Jan 30 2007, 11:30 AM

thanks for the reply. i followed your suggestions, and you're right - the memory test couldn't even locate the flash device (i specified all the possible paths i could think of). i'm using different boards in the lab every time, so i don't think it's a hardware failure. i also double-checked my top-level entity and pin assignments and i can't find any glaring errors, then again i might still be missing something. :/

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Be sure to double check your settings in the SOPC Builder component. Also, just as an aside, has this ever worked in the past? Or, are you just starting to attempt this on a new(ish) board? If it&#39;s the latter, you need to double check everything....and, don&#39;t just run the memory test example, but actually step through the CFI initialization routine to see exactly where it&#39;s failing.... Then, perhaps, it makes sense to use Signal Tap to help narrow the problem down.

Good luck, and welcome to the wonderful world that is the CFI flash "standard".

- slacker