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imx8 支持pcie endpoint

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发表于 2022-2-8 11:15:04 | 显示全部楼层
root@imx8mqevk:~# dmesg |grep pci
[    1.120315] ehci-pci: EHCI PCI platform driver
[    1.143135] ohci-pci: OHCI PCI platform driver
[    3.382686] imx6q-pcie 33800000.pcie: 33800000.pcie supply epdev_on not found, using dummy regulator
[    3.391348] OF: PCI: host bridge /pcie@0x33800000 ranges:
[    3.395460] OF: PCI:   No bus range found for /pcie@0x33800000, using [bus 00-ff]
[    3.412224] imx6q-pcie 33800000.pcie: pcie phy pll is locked.
[    3.490060] imx6q-pcie 33800000.pcie: Speed change timeout
[    3.494249] imx6q-pcie 33800000.pcie: Roll back to GEN1 link!
[    3.498700] imx6q-pcie 33800000.pcie: Link up, Gen1
[    3.504883] imx6q-pcie 33800000.pcie: PCI host bridge to bus 0000:00
[    3.509965] pci_bus 0000:00: root bus resource [bus 00-ff]
[    3.514218] pci_bus 0000:00: root bus resource [io  0x0000-0xffff]
[    3.519108] pci_bus 0000:00: root bus resource [mem 0x18000000-0x1fefffff]
[    3.524774] pci 0000:00:00.0: [16c3:abcd] type 01 class 0x060400
[    3.524802] pci 0000:00:00.0: reg 0x10: [mem 0x00000000-0x000fffff 64bit]
[    3.524811] pci 0000:00:00.0: reg 0x38: [mem 0x00000000-0x0000ffff pref]
[    3.524858] pci 0000:00:00.0: supports D1
[    3.524864] pci 0000:00:00.0: PME# supported from D0 D1 D3hot D3cold
[    3.525313] pci 0000:01:00.0: [8086:08b1] type 00 class 0x028000
[    3.525470] pci 0000:01:00.0: reg 0x10: [mem 0x00000000-0x00001fff 64bit]
[    3.525924] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold
[    3.535389] pci 0000:00:00.0: BAR 0: assigned [mem 0x18000000-0x180fffff 64bit]
[    3.541528] pci 0000:00:00.0: BAR 14: assigned [mem 0x18100000-0x181fffff]
[    3.547116] pci 0000:00:00.0: BAR 6: assigned [mem 0x18200000-0x1820ffff pref]
[    3.553110] pci 0000:01:00.0: BAR 0: assigned [mem 0x18100000-0x18101fff 64bit]
[    3.559173] pci 0000:00:00.0: PCI bridge to [bus 01-ff]
[    3.563166] pci 0000:00:00.0:   bridge window [mem 0x18100000-0x181fffff]
[    3.569337] pcieport 0000:00:00.0: Signaling PME with IRQ 239
[    3.574077] pcieport 0000:00:00.0: AER enabled with IRQ 239
[    3.579763] imx6q-pcie 33c00000.pcie: 33c00000.pcie supply epdev_on not found, using dummy regulator
[    3.587962] OF: PCI: host bridge /pcie@0x33c00000 ranges:
[    3.592134] OF: PCI:   No bus range found for /pcie@0x33c00000, using [bus 00-ff]
[    3.609141] imx6q-pcie 33c00000.pcie: pcie phy pll is locked.
[    3.857765] imx6q-pcie 33c00000.pcie: phy link never came up
[    3.862147] imx6q-pcie 33c00000.pcie: failed to initialize host
[    3.866777] imx6q-pcie 33c00000.pcie: unable to add pcie port.
[    3.872123] imx6q-pcie: probe of 33c00000.pcie failed with error -110

lspci -v
00:00.0 PCI bridge: Synopsys, Inc. Device abcd (rev 01) (prog-if 00 [Normal decode])
        Flags: bus master, fast devsel, latency 0, IRQ 239
        Memory at 18000000 (64-bit, non-prefetchable) [size=1M]
        Bus: primary=00, secondary=01, subordinate=ff, sec-latency=0
        I/O behind bridge: None
        Memory behind bridge: 18100000-181fffff [size=1M]
        Prefetchable memory behind bridge: None
        [virtual] Expansion ROM at 18200000 [disabled] [size=64K]
        Capabilities: [40] Power Management version 3
        Capabilities: [50] MSI: Enable+ Count=1/1 Maskable+ 64bit+
        Capabilities: [70] Express Root Port (Slot-), MSI 00
        Capabilities: [100] Advanced Error Reporting
        Capabilities: [148] L1 PM Substates
        Kernel driver in use: pcieport

01:00.0 Network controller: Intel Corporation Wireless 7260 (rev bb)
        Subsystem: Intel Corporation Dual Band Wireless-AC 7260
        Flags: fast devsel
        Memory at 18100000 (64-bit, non-prefetchable) [disabled] [size=8K]
        Capabilities: [c8] Power Management version 3
        Capabilities: [d0] MSI: Enable- Count=1/1 Maskable- 64bit+
        Capabilities: [40] Express Endpoint, MSI 00
        Capabilities: [100] Advanced Error Reporting
        Capabilities: [140] Device Serial Number 00-16-6f-ff-ff-e7-02-d9
        Capabilities: [14c] Latency Tolerance Reporting
        Capabilities: [154] Vendor Specific Information: ID=cafe Rev=1 Len=014 <?>

请问我这个是成功了还是失败了???
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