Hi, Zhang Wei-r63237 schrieb: > Yes, I think so. You can plug a PCIe ethernet card to test it.
A single device always works. > :-), Maybe it's need more study. Could you enable the DEBUG and post the > kernel verbose message? We added lots of debug output and made some modifications (mostly delays between calls to early_read_config_dword() and early_write_config_dword() in pci_auto.c) and came to the conclusion that generic bridge devices (PCIe-to-PCI), even in a cascaded setup of three bridges, work fine. However a PCIe switch (PLX8516/8532) doesn't work. The MPC8548 only detects a single device (i.e. primary side of the switch). We are going to analyze the problem more deeply soon. It seems that the configuration space of that devices isn't properly set up. The provided patch doesn't make any difference, besides that it is moved to a location where the PPC itself is not detected. Please keep us informed if there is any progress besides Freescale, as I will do. Cheers, Florian