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Altera_Forum
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17 years ago

Cyclone III Remote Update with EPCS

I am trying to load a second image from my EPCS device using only the firmware(VHDL code), without the Nios II IDE and SOPC Builder. I have generated the remote_update.vhdl using the MegaWizard Plug ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
17 years ago

Maybe this helps.

Are you aware that the boot address to be writen are the upper 22 bits of the 24 bit EPCS address? If not you must shift your data_in with 2 bits to the right.

Secondly I noticed that you left the reset_timer input 'OPEN' you should tie that to '0' as well.