Here are a few docs, stripped of any NDA-related information, to give an overview of our bringup infrastructure:
230118_PackageInterposer
230307_New!_Terasic_Intel_FPGA_boards
230310_Two-FPGA_prototyping_of_testdie
230406_TerasicFPGAs_xusing_Chipyard
230407_JerryZhao_SerializedTileLink_vs_TSI_for_bringup.mov