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Altera_Forum's avatar
Altera_Forum
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15 years ago

DE0 Nios II EPCS boot

I am having problems using the flash programmer to load my .sof and .elf files onto the EPCS4 chip of my Terasic DE0 dev board (Cyclone III). My SOPC has an EPCS controller and the reset address of t...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

Just further to MrTea's comments...

I have just spent 6 hours trying to flash my EPCS device... I had a smaller test project flash to it just fine, and I couldn't work out why my larger project was not taking... It had the classic "can't locate EPCS registers" error.

Then I noticed that on the working design I had both the data and instruction buses hooked up to the EPCS serial component (in SOPC), and on the larger design I just had the instruction bus hooked up... Changed it to include the databus too and it worked... woohoo... *screams in frustration and relief*