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Altera_Forum
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19 years ago

Multiprocessor booting from flash

Hi, I have sucessfully completed the Altera multiprocessor Tutorial on the Altera NiosII Cyclone Development board, and under the Nios IDE everything works as expected, however I now want to bo...
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Altera_Forum
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19 years ago

If either of your software projects include the Flash CFI driver, your CPUs will interfere with each other during the boot process. The reason for this is that Flash CFI driver will do a CFI query on initialization. This query will corrupt normal reads that are occurring from the other processor (e.g., instruction fetches).