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Altera_Forum's avatar
Altera_Forum
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20 years ago

EPC16, I can read it, but not write to it...

I have created a very simple SOPC system for testing out the capability to read and write to the flash inside the EPC16 on the same board as the Stratix II device (2S60, in this case). The SOPC...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
20 years ago

Dunno about this device, but most flash devices do not support direct writing, except for a handful of registers.

If you take a look at the CFI or EPCS drivers, you'll see what I mean.

If I were you, I would run a 

nios2-flash-programmer --debug --base=0x0

and see if it returns anything useful. I don't think the EPC devices are supported the way in which you'd like to use it, so it might not...

Cheers, and Good luck!

- slacker