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Altera_Forum
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12 years ago

DE0 Nano with SDRAM and EPCS not loading firmware

I have configured the DE0 Nano with a SDRAM, EPCS, and ALTPLL combo that phase shift the SDRAM clock -3ns as required. When I use the flash programmer it completes flashing successfully, restarting t...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
12 years ago

Ok, I understand why nothing was running now. In Qsys for the CPU I had set the SDRAM as the location to start execution but I never copied the application to that starting location. I assumed once I set the SDRAM as the start location the EPCS would automatically know to load into the SDRAM.

If I modify the bootloader to load directly into SDRAM then I would not need to use on-chip memory.