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gotwer's avatar
gotwer
Icon for New Contributor rankNew Contributor
1 year ago

Programming SPI-Flash with CycloneV-FPGA

Hello everyone, I would like to programme an SPI flash via JTAG with a CycloneV FPGA. The FPGA is configured in PS mode. The data to be written is a binary file with data no design. What do I hav...
Programmable Logic Device
FvM's avatar
FvM
Icon for Super Contributor rankSuper Contributor
1 year ago

Look at quartus\libraries\megafunctions\altserial_flash_loader.vhd. It instantiates cyclonev_asmiblock to get access to the AS flash port. This internal component is only available in AS configuration mode.

To use SFL for data flash under PS mode, you need to outcomment asmi_block and export flash interface to alternative top level pins.