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Altera_Forum
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10 years ago

CFI FLASH Programming by Nios II

Hi, I have a spansion S29GL064N CFI flash that connected to a cyclone IV FPGA and I use Quartus II V11.1. when I use nios2-flash-programmer command in the command shell, CFI flash table found. al...
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Altera_Forum
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10 years ago

You cannot configure a Cyclone IV FPGA from CFI memory without an external controller - such as a CPLD or micro. Do you have either of those? A Cyclone IV FPGA cannot control a CFI memory device directly for the purposes of configuration.

Refer to the "PS Configuration" section, page 8-32, of the configuration and remote system upgrades in cyclone iv devices (https://www.altera.com/content/dam/altera-www/global/en_us/pdfs/literature/hb/cyclone-iv/cyiv-51008.pdf) for details.

Cheers,

Alex