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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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Oliver_I_Sedlacek's avatar
Oliver_I_Sedlacek
Icon for Contributor rankContributor
3 years ago

The intent was to go with application code stored in EPCQ flash and the run time location is external RAM as per Table 33 and section 5.2.3.4 of the Embedded Design handbook. The SOF is 802 kB in size so I just rounded up to make the offset to the HEX 1024 kB.

As I stated earlier, everything works if I load the application from the Eclipse debugger, but I do need it to run from power up.

I've added a project archive, all done in Quartus 20.1 Lite.