Description
In the Quartus® Prime software release 15.1 and earlier, Qsys incorrectly reports a minimum frequency of 156.25MHz for the csr_clk in the Arria® 10 Low Latency Ethernet 10G MAC IP core.
Resolution
The csr_clk in the Arria 10 Low Latency Ethernet 10G MAC IP core must have a frequency of 156.25MHz or lower.
This problem is scheduled to be resolved in a future release of the Quartus Prime software.