Jetson PCIe debug

hello, I designed a circuit to use a PCIe IP core for an FPGA, and then connected it to Jetson NX through PCIe. However, when I entered Jetson Linux and used the lspci command, no result was displayed:


I’m not sure if I need to modify the Linux device tree or kernel，Can you help me how to debug this problem about pcie？Or can you provide me with the relevant description of the device tree？