硬件连接图如图：
firefly@firefly:~$ dmesg | grep pci [ 1.131120] phy phy-pcie-phy.9: Looking up phy-supply from device tree [ 1.131132] phy phy-pcie-phy.9: Looking up phy-supply property in node /pcie-phy failed [ 1.132649] pci_hotplug: PCI Hot Plug PCI Core version: 0.5 [ 1.134863] rockchip-pcie f8000000.pcie: GPIO lookup for consumer ep [ 1.134874] rockchip-pcie f8000000.pcie: using device tree for GPIO lookup [ 1.134905] of_get_named_gpiod_flags: parsed 'ep-gpios' property of node '/pcie@f8000000[0]' - status (0) [ 1.135148] rockchip-pcie f8000000.pcie: Looking up vpcie3v3-supply from device tree [ 1.135161] rockchip-pcie f8000000.pcie: Looking up vpcie3v3-supply property in node /pcie@f8000000 failed [ 1.135178] rockchip-pcie f8000000.pcie: no vpcie3v3 regulator found [ 1.135761] rockchip-pcie f8000000.pcie: Looking up vpcie1v8-supply from device tree [ 1.135773] rockchip-pcie f8000000.pcie: Looking up vpcie1v8-supply property in node /pcie@f8000000 failed [ 1.135787] rockchip-pcie f8000000.pcie: no vpcie1v8 regulator found [ 1.136345] rockchip-pcie f8000000.pcie: Looking up vpcie0v9-supply from device tree [ 1.136356] rockchip-pcie f8000000.pcie: Looking up vpcie0v9-supply property in node /pcie@f8000000 failed [ 1.136369] rockchip-pcie f8000000.pcie: no vpcie0v9 regulator found [ 1.136948] rockchip-pcie f8000000.pcie: missing "memory-region" property [ 1.137557] PCI host bridge /pcie@f8000000 ranges: [ 1.680662] rockchip-pcie f8000000.pcie: PCIe link training gen1 timeout! [ 1.681276] rockchip-pcie f8000000.pcie: deferred probe failed [ 1.682054] rockchip-pcie: probe of f8000000.pcie failed with error -110 [ 2.047264] ehci-pci: EHCI PCI platform driver |
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