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PCIE扫描挂载的外设失败的问题

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技术小白

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发表于 2018-5-29 13:54:48     
为了测试板子的PCIE 接口 我转接了一个 PCIE(switch)转接SATA3的转接板:
         RK3399
               |
PCIE switch(PIC7C9x2g304sl)
        |           |
ASM1061   EJ168
问题:
      内核启动时扫描到 switch 之后就先如何死循环(一直在重复的扫描自己),无法扫描到下面挂载的ASM1061(SATA)和EJ168(USB)设备,该怎么解决那??????????
部分日志如下:
[    1.776652] pci_scan_device:1637:start, devfn = 0x60.
[    1.777117] pci_bus_read_dev_vendor_id:1594:PCI_VENDOR_ID = 0x230412d8.
[    1.778099] pci_scan_device:1637:start, devfn = 0x68.
[    1.778552] pci_bus_read_dev_vendor_id:1594:PCI_VENDOR_ID = 0x230412d8.
[    1.779548] pci_scan_device:1637:start, devfn = 0x70.
[    1.780013] pci_bus_read_dev_vendor_id:1594:PCI_VENDOR_ID = 0x230412d8.
[    1.781000] pci_scan_device:1637:start, devfn = 0x78.
[    1.781453] pci_bus_read_dev_vendor_id:1594:PCI_VENDOR_ID = 0x230412d8.
[    1.782443] pci_scan_device:1637:start, devfn = 0x80.
[    1.782908] pci_bus_read_dev_vendor_id:1594:PCI_VENDOR_ID = 0x230412d8.
[    1.783907] pci_scan_device:1637:start, devfn = 0x88.
[    1.784360] pci_bus_read_dev_vendor_id:1594:PCI_VENDOR_ID = 0x230412d8.
[    1.785359] pci_scan_device:1637:start, devfn = 0x90.
[    1.785823] pci_bus_read_dev_vendor_id:1594:PCI_VENDOR_ID = 0x230412d8.
[    1.786821] pci_scan_device:1637:start, devfn = 0x98.
[    1.787274] pci_bus_read_dev_vendor_id:1594:PCI_VENDOR_ID = 0x230412d8.
[    1.788270] pci_scan_device:1637:start, devfn = 0xa0.
[    1.788723] pci_bus_read_dev_vendor_id:1594:PCI_VENDOR_ID = 0x230412d8.
[    1.789722] pci_scan_device:1637:start, devfn = 0xa8.
[    1.790187] pci_bus_read_dev_vendor_id:1594:PCI_VENDOR_ID = 0x230412d8.
[    1.791186] pci_1c:1c.0: bridge configuration invalid ([bus 00-00]), reconfiguring
[    1.936707] pci 0000:1c:1d.0: scanning [bus 00-00] behind bridge, pass 0
[    1.937309] pci 0000:1c:1d.0: bridge configuration invalid ([bus 00-00]), reconfiguring
[    1.938026] pci 0000:1c:1e.0: scanning [bus 00-00] behind bridge, pass 0
[    1.938620] pci 0000:1c:1e.0: bridge configuration invalid ([bus 00-00]), reconfiguring
[    1.939338] pci 0000:1c:1f.0: scanning [bus 00-00] behind bridge, pass 0
[    1.939939] pci 0000:1c:1f.0: bridge configuration invalid ([bus 00-00]), reconfiguring
[    1.940649] pci 0000:1c:00.0: scanning [bus 00-00] behind bridge, pass 1
[    1.941378] pci_scan_device:1637:start, devfn = 0x0.
[    1.941830] pci_bus_read_dev_vendor_id:1594:PCI_VENDOR_ID = 0x230412d8.
[    1.942832] pci 0000:1d:00.0: scanning [bus 1d-ff] behind bridge, pass 0
[    1.943427] pci 0000:1d:00.0: bridge configuration invalid ([bus 1d-ff]), reconfiguring
[    1.944146] pci 0000:1d:00.0: scanning [bus 00-00] behind bridge, pass 1
[    1.944877] pci_scan_device:1637:start, devfn = 0x0.
[    1.945319] pci_bus_read_dev_vendor_id:1594:PCI_VENDOR_ID = 0x230412d8.
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发表于 2018-8-10 16:56:21     
請問這問題有解了嗎?
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