pcib1@pci0:0:0:0: class=0x060400 rev=0x01 hdr=0x01 vendor=0x1d87 device=0x3566 subvendor=0x0000 subdevice=0x0000 vendor = 'Rockchip Electronics Co., Ltd' device = 'RK3568 Remote Signal Processor' class = bridge subclass = PCI-PCI cap 01[40] = powerspec 3 supports D0 D1 D2 D3 current D0 cap 05[50] = MSI supports 32 messages, 64 bit cap 10[70] = PCI-Express 2 root port max data 128(128) RO max read 512 link x1(x1) speed 2.5(8.0) ASPM disabled(L0s/L1) cap 11[b0] = MSI-X supports 1 message Table in map 0x10[0x0], PBA in map 0x10[0x10] ecap 0001[100] = AER 2 0 fatal 0 non-fatal 0 corrected ecap 0019[148] = PCIe Sec 1 lane errors 0 ecap 001e[160] = L1 PM Substates 1 ecap 000b[170] = Vendor [1] ID 0002 Rev 4 Length 256