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7 months ago

EPCS64 access from HPS on Cyclone V

Hi, I am working on Terasic SoC System on Module Evaluation KIT. I am trying to configure FPGA from HPS through FPPx32 configuration scheme and then read/copy EPCS64 sector to HPS DDR3 memory. M...

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whitepau_altera

Contributor

7 months ago

Hi Naresh,

I discussed your issue with a colleague, and we studied the schematic for your devkit:

https://www.terasic.com.tw/cgi-bin/page/archive_download.pl?Language=English&No=1211&FID=ed51cec1fd3eff2414308b716a4a21fe

Given that the EPCS is connected to the active serial pins on the Cyclone V, it is only accessible during configuration. Since you hav chosen to configure via FPPx32, you cannot access the EPCS once the HPS has booted.

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EPCS64 access from HPS on Cyclone V

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