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Dzar's avatar
Dzar
Icon for Occasional Contributor rankOccasional Contributor
7 years ago
Solved

What should happen when I assert nPOR on my Cyclone V?

I want to reboot my HPS system in my Cyclone V. I can hold nPOR (power on reset) low when I power up and when I release it, my HPS boots just fine. But later, when I bring nPOR low, then high, my pro...
  • Dzar's avatar
    Dzar
    7 years ago

    Again, your answer is senseless. Of course I can boot again when I power cycle. What I cannot do is cold restart.

    It turns out this is a documented problem: https://rocketboards.org/foswiki/Documentation/SocBoardQspiBoot

    It would seem that Intel support would be aware of this and have not taken me more than a week of my own time to find. And, no, it has nothing to do with my binary. I hope my wasted time on this issue helps others find the needed solution.

Ahmed_H_Intel1's avatar
Ahmed_H_Intel1
Icon for Frequent Contributor rankFrequent Contributor
7 years ago
Hi, First of all, I make sure that the compiled binaries are correct, it might let some files overwritten. So the question here first "Can you boot again if you power off and ON again?" If no, this means there is something went wrong in binaries compilation that cause this issue
  • Dzar's avatar
    Dzar
    Icon for Occasional Contributor rankOccasional Contributor
    7 years ago

    Again, your answer is senseless. Of course I can boot again when I power cycle. What I cannot do is cold restart.

    It turns out this is a documented problem: https://rocketboards.org/foswiki/Documentation/SocBoardQspiBoot

    It would seem that Intel support would be aware of this and have not taken me more than a week of my own time to find. And, no, it has nothing to do with my binary. I hope my wasted time on this issue helps others find the needed solution.