Why does the SOF image of the Intel Agilex® 7 R-Tile Compute Express Link* (CXL) 1.1/2.0 FPGA IP cause link training failure?

Description

Due to a problem in the Archer City Platform (Sapphire Rapids-based CPU platform), you might observe link training failure when programming the SOF image of the Intel Agilex® 7 R-Tile Compute Express Link* (CXL) 1.1/2.0 FPGA IP.

Resolution

This problem is not planned to be fixed in future releases of the Intel® Quartus® Prime Editon Software because it is a platform problem. 

To work around this problem, change the BMC of the Platform to assert the PERST when rebooting the system.