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malayali's avatar
malayali
Icon for New Contributor rankNew Contributor
3 years ago

Arria10 FPGA config_done is not coming up after programming.

Hi, I have designed a board with Arria10 FPGA (10AX057N2F40E2SG), Totally we have 5 boards manufactured, and in that 3 boards have this issue. I can able to program the FPGA, In the Quartus prime ...
YuanLi_S_Intel's avatar
YuanLi_S_Intel
Icon for Regular Contributor rankRegular Contributor
3 years ago

nCS will go LOW when configuration is happening and go HIGH when it is done. If it is toggling, that means the configuration is not done properly. The reason i ask to check on configuration pin like data0, data1, dclk, nconfig, nstatus is to determine the potential root cause. If there is no data from data pin, it could be the board trace issue or flash issue.

Another thing to check is to read out the bitstream programmed into QSPI and then compared with the preprogrammed JIC file.