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标题: imx8 支持pcie endpoint [打印本页]

作者: 软件01 时间: 2021-3-9 17:32
标题: imx8 支持pcie endpoint
插上模块，输入以下命令：$ dmesg  | grep pci
$ lspci -v
MYZR-IMX8M-EK300输出以下信息：

root@myzr:~# dmesg  | grep pci
[ 3.291149] ehci-pci: EHCI PCI platform driver
[ 3.314253] ohci-pci: OHCI PCI platform driver
[ 5.563865] imx6q-pcie 33800000.pcie: 33800000.pcie supply epdev_on not found, using dummy regulator
[ 5.572501] OF: PCI: host bridge /pcie@0x33800000 ranges:
[ 5.576752] OF: PCI: No bus range found for /pcie@0x33800000, using [bus 00-ff]
[ 5.593555] imx6q-pcie 33800000.pcie: pcie phy pll is locked.
[ 5.842329] imx6q-pcie 33800000.pcie: phy link never came up
[ 5.846713] imx6q-pcie 33800000.pcie: failed to initialize host
[ 5.851339] imx6q-pcie 33800000.pcie: unable to add pcie port.
[ 5.856799] imx6q-pcie: probe of 33800000.pcie failed with error -110
[ 5.864915] imx6q-pcie 33c00000.pcie: 33c00000.pcie supply epdev_on not found, using dummy regulator
[ 5.873059] OF: PCI: host bridge /pcie@0x33c00000 ranges:
[ 5.877227] OF: PCI: No bus range found for /pcie@0x33c00000, using [bus 00-ff]
[ 5.894067] imx6q-pcie 33c00000.pcie: pcie phy pll is locked.
[ 5.971961] imx6q-pcie 33c00000.pcie: Speed change timeout
[ 5.976153] imx6q-pcie 33c00000.pcie: Roll back to GEN1 link!
[ 5.980606] imx6q-pcie 33c00000.pcie: Link up, Gen1
[ 5.987200] imx6q-pcie 33c00000.pcie: PCI host bridge to bus 0000:00
[ 5.992283] pci_bus 0000:00: root bus resource [bus 00-ff]
[ 5.996545] pci_bus 0000:00: root bus resource [io  0x10000-0x1ffff] (bus address [0x0000-0xffff])
[ 6.004231] pci_bus 0000:00: root bus resource [mem 0x20000000-0x27efffff]
[ 6.009932] pci 0000:00:00.0: [16c3:abcd] type 01 class 0x060400
[ 6.009971] pci 0000:00:00.0: reg 0x10: [mem 0x00000000-0x000fffff 64bit]
[ 6.009982] pci 0000:00:00.0: reg 0x38: [mem 0x00000000-0x0000ffff pref]
[ 6.010040] pci 0000:00:00.0: supports D1
[ 6.010048] pci 0000:00:00.0: PME# supported from D0 D1 D3hot D3cold
[ 6.010645] pci 0000:01:00.0: [8086:4229] type 00 class 0x028000
[ 6.010784] pci 0000:01:00.0: reg 0x10: [mem 0x00000000-0x00001fff 64bit]
[ 6.011224] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold
[ 6.022488] pci 0000:00:00.0: BAR 0: assigned [mem 0x20000000-0x200fffff 64bit]
[ 6.028597] pci 0000:00:00.0: BAR 14: assigned [mem 0x20100000-0x201fffff]
[ 6.034248] pci 0000:00:00.0: BAR 6: assigned [mem 0x20200000-0x2020ffff pref]
[ 6.040247] pci 0000:01:00.0: BAR 0: assigned [mem 0x20100000-0x20101fff 64bit]
[ 6.046325] pci 0000:00:00.0: PCI bridge to [bus 01-ff]
[ 6.050338] pci 0000:00:00.0: bridge window [mem 0x20100000-0x201fffff]
[ 6.056721] pcieport 0000:00:00.0: Signaling PME with IRQ 271
[ 6.061499] pcieport 0000:00:00.0: AER enabled with IRQ 271

root@myzr:~# 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 271
      Memory at 20000000 (64-bit, non-prefetchable) [size=1M]
      Bus: primary=00, secondary=01, subordinate=ff, sec-latency=0
      Memory behind bridge: 20100000-201fffff
      [virtual] Expansion ROM at 20200000 [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 PRO/Wireless 4965 AG or AGN [Kedron] Network Connection (rev 61)
      Subsystem: Intel Corporation PRO/Wireless 4965 AG or AGN [Kedron] Network Connection
      Flags: fast devsel
      Memory at 20100000 (64-bit, non-prefetchable) [disabled] [size=8K]
      Capabilities: [c8] Power Management version 3
      Capabilities: [d0] MSI: Enable- Count=1/1 Maskable- 64bit+
      Capabilities: [e0] Express Endpoint, MSI 00
      Capabilities: [100] Advanced Error Reporting
      Capabilities: [140] Device Serial Number 00-1f-3b-ff-ff-1c-b8-fd

作者: Cupid天空 时间: 2022-2-8 11:15
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？？？

作者: 软件01 时间: 2022-3-4 11:25

Cupid天空发表于 2022-2-8 11:15
root@imx8mqevk:~# dmesg |grep pci
[ 1.120315] ehci-pci: EHCI PCI platform driver
[ 1.143135] o ...

嗯，检测到了，加WIFI驱动试试

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