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Altera_Forum's avatar
Altera_Forum
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14 years ago

cyclone III: after update dead

Hello I'm triying to configure my device over ethernet (tftp) like described in AN-429. On a cyclone II (EP2C20F) the code is working well. I now try to do the same on a cyclone III (EP3C25). ...
Altera_Forum's avatar
Altera_Forum
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14 years ago

Thank you for the fast response.

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Did you test if the fpga completes configuration? Maybe fpga configures correctly but then it can't bootload the Nios processor.

This would be a common problem and is usually related to a wrong bootloader file or misplacement of Nios code in epcs image.

Configure with jtag (without flashing it) any design capable of reading epcs.

Then you can download data and compare with your remote update image.

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I have measured CONF_DONE Pin and nSTATUS. In real it seems that the fpga completes configuration but after that can't bootload the nios. I now will check if my remote update images matches with the loaded onw.

Thank you

brunjak