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Altera_Forum's avatar
Altera_Forum
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16 years ago

NIOS SOPC Flash Memory Interface (CFI)

I am trying to read the Query values from a CFI compliant flash device, a PC28F128P30b85. I have implemented a NIOS SOPC solution with a tri-state bridge module and cfi-flash module. The cfi-...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

Do you have a Nios with Datacache ?

If yes, make shure that you use the cache work around.

you could easily test the cace problem by compiling nios without data cache and see if anything changes.

there is a HAL function for remaping or something like that

you could also set adr. bit 31 as cache bypass.