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ZWang142's avatar
ZWang142
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5 years ago

stratix hbm2 write request seems pending and blocking read requests to the same address

Device: Stratix 10 mx, 1SM16BEU2F55E2VG *** This problem happens on the real device and cannot be reproduced by simulation yet. *** HBM Settings: BL8, Controller refreshes all, Autoprecharge FORCE...
yoichiK_altera's avatar
yoichiK_altera
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5 years ago

Hi

Are you following the correct transaction for write sequence ? When user request the write access with write address user need to write two clock cycle of write data as attached transaction.

ZWang142's avatar
ZWang142
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5 years ago

Yes, sure, otherwise my simulation will catch it.

Anyway, the problem is gone after I issue another hbm reset (the high active one).