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WabG's avatar
WabG
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1 year ago

SoC Cyclone V : Configure FPGA fabric SPI Flash from HPS ?

Hello, We need to update the SPI Flash used to configure the FPGA fabric of a Cyclone V SoC but the only communication channel available is the ethernet interface. We can upload the configuration t...
Fpga Devkit
WabG's avatar
WabG
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1 year ago

Aik Eu,

From the Linux's console, I don't have the commands "load" neither "fpga" but this last command seems to use the FPGA manager. I have tried to use the FPGA manager with the "dd" command as described in the figure below :

As the board use an SPI flash to configure the FPGA fabric, the MSEL setting doesn't allow the FPGA manager to configure the FPGA fabric.

Instead of the FPGA manager would it be possible to use the SCAN manager to access the JTAG-TAP controller to configure the SPI flash ?

Regards,

WabG

FvM's avatar
FvM
Icon for Super Contributor rankSuper Contributor
1 year ago

Hi,
there's no direct access from HPS to FPGA SPI flash. I see two options:
- Implement SPI controller in FPGA fabric and access it through HPS-FPGA bridge. Requires a factory image programmed through JTAG programmer.
- Perform .jic programming from HPS through SCAN manager. Don't know if there are ready-to-use software examples.