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器件型号： J721EXCPXEVM
我们将 BSP 从 7.3 移植到 10、PCIe 总线探针出现故障、如下所示 (PCIe2 和 PCIe3)。 我们已启用 PCIe2 和 3 作为 PCI、serdes0 和 1 用于 USB。 服务器 4 由 ethfw 控制。 通过 u-boot、如果我使用 dm tree 命令、我可以看到 serdes2 链路已接通、但在 PCIe2 初始化时、等待 PHY 状态准备就绪时会超时、我添加一些打印消息、复位正常工作、但在 Linux 中硬件“就绪“位从不会清除。
相同的硬件对于旧 PSDK 没有问题。
请提供帮助。
谢谢、
Mandy
nop 2 [ ] phy-j721e-wiz | |-- wiz@5020000
misc 6 [ ] cdns,sierra | | `-- serdes@5020000
phy 3 [ ] sierra_phy_link | | `-- link
[ 1.594724] j721e-pcie 2920000.pcie: host bridge /bus@100000/pcie@2920000 ranges:
[ 1.602233] j721e-pcie 2920000.pcie: IO 0x4400001000..0x4400010fff -> 0x0000001000
[ 1.618848] j721e-pcie 2920000.pcie: MEM 0x4400011000..0x4407ffffff -> 0x0000011000
[ 1.635209] j721e-pcie 2920000.pcie: IB MEM 0x0000000000..0xffffffffffff -> 0x0000000000
[ 1.781617] cdns-sierra-phy 5020000.serdes: Timeout waiting for PHY status ready
[ 1.789001] phy phy-5020000.serdes.2: phy poweron failed --> -110
[ 1.795087] j721e-pcie 2920000.pcie: error -ETIMEDOUT: Failed to init phy
[ 1.801874] j721e-pcie: probe of 2920000.pcie failed with error -110
[ 1.808642] j721e-pcie 2930000.pcie: host bridge /bus@100000/pcie@2930000 ranges:
[ 1.816144] j721e-pcie 2930000.pcie: IO 0x4410001000..0x4410010fff -> 0x0000001000
[ 1.824225] j721e-pcie 2930000.pcie: MEM 0x4410011000..0x4417ffffff -> 0x0000011000
[ 1.832303] j721e-pcie 2930000.pcie: IB MEM 0x0000000000..0xffffffffffff -> 0x0000000000
[ 2.869342] j721e-pcie 2930000.pcie: PCI host bridge to bus 0000:00
[ 2.875626] pci_bus 0000:00: root bus resource [bus 00-ff]
[ 2.881101] pci_bus 0000:00: root bus resource [io 0x10000-0x1ffff] (bus address [0x1000-0x10fff])
[ 2.890126] pci_bus 0000:00: root bus resource [mem 0x4410011000-0x4417ffffff] (bus address [0x00011000-0x07ffffff])
[ 2.900646] pci 0000:00:00.0: [104c:b00d] type 01 class 0x060400
[ 2.906640] pci_bus 0000:00: 2-byte config write to 0000:00:00.0 offset 0x4 may corrupt adjacent RW1C bits
[ 2.916341] pci 0000:00:00.0: supports D1
[ 2.920340] pci 0000:00:00.0: PME# supported from D0 D1 D3hot
[ 2.928001] pci 0000:00:00.0: bridge configuration invalid ([bus 00-00]), reconfiguring
[ 2.936119] pci_bus 0000:01: busn_res: [bus 01-ff] end is updated to 01
[ 2.942747] pci 0000:00:00.0: PCI bridge to [bus 01]
[ 2.947777] pcieport 0000:00:00.0: of_irq_parse_pci: failed with rc=-22
[ 2.954554] pcieport 0000:00:00.0: PME: Signaling with IRQ 477
[ 2.960539] pcieport 0000:00:00.0: AER: enabled with IRQ 477
