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NIOS II cannot run from an external memory QSPI?

Olee01
Novice
619 Views

I've created the design based on this document but it is not working

https://www.eeweb.com/app-notes/download/169865

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Fawaz_Al-Jubori
Employee
409 Views

Hello.

I would check the following items:

1- Make sure Nios II reset vector and exception vector are both pointing to QSPI

2- Make sure you use 25MHZ clock as maximum to the QSPI IP.

3- Try to use PLL for your system clocking. One clock would be for the system.

 

Please let me know if any of the debug steps would help.

 

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Fawaz_Al-Jubori
Employee
410 Views

Hello.

I would check the following items:

1- Make sure Nios II reset vector and exception vector are both pointing to QSPI

2- Make sure you use 25MHZ clock as maximum to the QSPI IP.

3- Try to use PLL for your system clocking. One clock would be for the system.

 

Please let me know if any of the debug steps would help.

 

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Olee01
Novice
409 Views

I was using external clock for the Qspi block once I used the PLL it is working now.

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