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Altera_Forum's avatar
Altera_Forum
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12 years ago

Cyclone V + Micron DDR3 + Uniphy + NiOS == always freezing

Dear All, I beg your support (and begging I meant serious :(), after three consecutive weeks of having burned engineering time, I decided surrendering with that Cyclone V Dev board and to post ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
12 years ago

I'm not familiar with your device or board, but the behavior described sounds like the controller is not accepting commands (leaving the Avalon "waitrequest" asserted indefinitely, and hanging your NIOS).

What is the state of the local_init_done, local_cal_success, local_cal_fail signals?