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WabG
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2 years ago

SoC Cyclone V : configure FPGA fabric from jtag_uart ?

Dear support, On a Cyclone V SoC, is it possible to acces the JTAG TAP from Linux through the jtag_uart core ? The final goal is to reconfigure the FPGA fabric through JTAG. Regards, WabG
Fpga Devkit
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WabG
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2 years ago

Aik Eu,

> Do you mean programming the QSPI flash from the FPGA side using the normal Jtag module? Is your board a custom board and different from the development kit?

We have a custom board and we can't access the JTAG connector so the question is about accessing the JTAG TAP using the JTAG_UART as a bridge + configuring the Scan Manager to switch to the internal JTAG chain instead of the external pins.

Is my question clear ?

Regards,

WabG