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Oliver_I_Sedlacek's avatar
Oliver_I_Sedlacek
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3 years ago

Autostart NIOS from external SDRAM problem

So my NIOS code has outgrown the available on chip RAM and I've moved it to off chip SDRAM. Very slow, but I fire up Eclipse and I can get it to run. I need to get it to run automatically and I've fo...
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EBERLAZARE_I_Intel's avatar
EBERLAZARE_I_Intel
Icon for Regular Contributor rankRegular Contributor
3 years ago

Hi,


If there are no error from Quartus/Nios II SBT, you might need to check your configuration in your Quartus design and you MSEL pin of your board.


Oliver_I_Sedlacek's avatar
Oliver_I_Sedlacek
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3 years ago

Everything, I repeat everything, works except the booting with code in external memory. The FPGA configures, the custom logic works, the NIOS2 runs my code if I debug from Eclipse without trying to boot from external memory. How do I debug why it wont boot? The handbook just gives me a great long sequence of instructions with no guidance on figuring out which step I've done wrong.