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Altera_Forum's avatar
Altera_Forum
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15 years ago

Flash Access Problems

We have a 3 processor design that all boot successfully from a single CFI flash (all reset addresses are set to our CFI Flash at different addresses). The firmwares run in different On Board Memories...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

You might need to do some inter-cpu locking to stop more than one cpu accessing the flash hardware at the same time. Without that I suspect that some operations will fail badly.

I don't know what the open() does - nor really understand why altera map things like flash accesses onto unix (posix) files.