Why does the F-Tile Ethernet FPGA Hard IP with PTP enabled and FHT PMA type fail to assert o_rx_pcs_ready on hardware?

Description

Due to a problem in the Quartus® Prime Pro Edition Software v21.4, the F-Tile Ethernet FPGA Hard IP with FHT PMA type fails to output o_clk_rec_div (RX recovered clock) on hardware.

As the o_clk_rec_div clock is required for Advanced Timestamp Accuracy Mode, the IP cannot establish a link, and o_rx_pcs_ready will not be asserted.

Resolution

To work around this problem in the Quartus® Prime Pro Edition Software v21.4, select Basic Timestamp Accuracy Mode where the o_clk_rec_div clock is not required

Additional Information

This problem is fixed starting with the Quartus® Prime Pro Edition Software version 22.1.