Hello, Just to say that the problem was in a commit that was not related with the PCI subystem. Thank you, Joao Pinto Às 8:46 PM de 1/18/2017, Joao Pinto escreveu: > Hi, > > I am testing my 4.80 Root Complex Reference design (PCIe Core 4.80 with iATU > Unroll) and I am facing an issue in kernel v4.9. > > My setup is: > ARC Board --- AXI --- HAPS (RC refrence Design) --- Backplane --- USB 3.0 Endpoint > > If I use 4.9-rc7 the USB Endpoint gets configured correctly, but when using > 4.9-rc8 it does not. I have checked and no changes were made to USB between rc7 > and rc8, so there's something in the PCI. > > The PCI initialization log seems with more info in 4.9-rc8, so maybe some > operation that causing some confusion in my setup. Could you please give me your > opinion? > > Bellow I added the logs for 4.9-rc7 and 4.9-rc8. Thank you for your help! > > Joao > > > ***** LOGS for 4.9-rc7: > > OF: PCI: host bridge /haps_tunnel/pcie@0xdfc00000 ranges: > OF: PCI: No bus range found for /haps_tunnel/pcie@0xdfc00000, using [bus 00-ff] > OF: PCI: IO 0xde000000..0xde00ffff -> 0x00000000 > OF: PCI: MEM 0xd0400000..0xdd3fffff -> 0xd0400000 > dw-pcie dfc00000.pcie: link up > dw-pcie dfc00000.pcie: PCI host bridge to bus 0000:00 > pci_bus 0000:00: root bus resource [bus 00-ff] > pci_bus 0000:00: root bus resource [io 0x0000-0xffff] > pci_bus 0000:00: root bus resource [mem 0xd0400000-0xdd3fffff] > pci 0000:00:00.0: BAR 8: assigned [mem 0xd0400000-0xd04fffff] > pci 0000:00:00.0: BAR 6: assigned [mem 0xd0500000-0xd050ffff pref] > pci 0000:01:00.0: BAR 0: assigned [mem 0xd0400000-0xd0401fff 64bit] > pci 0000:00:00.0: PCI bridge to [bus 01] > pci 0000:00:00.0: bridge window [mem 0xd0400000-0xd04fffff] > pci 0000:01:00.0: enabling device (0000 -> 0002) > (...) > xhci_hcd 0000:01:00.0: xHCI Host Controller > xhci_hcd 0000:01:00.0: new USB bus registered, assigned bus number 3 > xhci_hcd 0000:01:00.0: hcc params 0x014042cb hci version 0x96 quirks 0x00000004 > hub 3-0:1.0: USB hub found > hub 3-0:1.0: 2 ports detected > xhci_hcd 0000:01:00.0: xHCI Host Controller > xhci_hcd 0000:01:00.0: new USB bus registered, assigned bus number 4 > > # lspci -v > 00:00.0 PCI bridge: Synopsys, Inc. Device eddc (rev 01) (prog-if 00 [Normal decode]) > Flags: bus master, fast devsel, latency 0, IRQ 45 > Bus: primary=00, secondary=01, subordinate=01, sec-latency=0 > Memory behind bridge: d0400000-d04fffff > [virtual] Expansion ROM at d0500000 [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] #19 > Capabilities: [158] Vendor Specific Information: ID=0002 Rev=4 Len=100 <?> > Kernel driver in use: pcieport > > 01:00.0 USB controller: NEC Corporation uPD720200 USB 3.0 Host Controller (rev > 03) (prog-if 30 [XHCI]) > Flags: bus master, fast devsel, latency 0, IRQ 46 > Memory at d0400000 (64-bit, non-prefetchable) [size=8K] > Capabilities: [50] Power Management version 3 > Capabilities: [70] MSI: Enable+ Count=1/8 Maskable- 64bit+ > Capabilities: [90] MSI-X: Enable- Count=8 Masked- > Capabilities: [a0] Express Endpoint, MSI 00 > Capabilities: [100] Advanced Error Reporting > Capabilities: [140] Device Serial Number ff-ff-ff-ff-ff-ff-ff-ff > Capabilities: [150] Latency Tolerance Reporting > Kernel driver in use: xhci_hcd > > ****** LOGS for 4.9-rc8: > > OF: PCI: host bridge /haps_tunnel/pcie@0xdfc00000 ranges: > OF: PCI: No bus range found for /haps_tunnel/pcie@0xdfc00000, using [bus 00-ff] > OF: PCI: IO 0xde000000..0xde00ffff -> 0x00000000 > OF: PCI: MEM 0xd0400000..0xdd3fffff -> 0xd0400000 > dw-pcie dfc00000.pcie: link up > dw-pcie dfc00000.pcie: PCI host bridge to bus 0000:00 > pci_bus 0000:00: root bus resource [bus 00-ff] > pci_bus 0000:00: root bus resource [io 0x0000-0xffff] > pci_bus 0000:00: root bus resource [mem 0xd0400000-0xdd3fffff] > pci 0000:00:00.0: [16c3:eddc] type 01 class 0x060400 > pci 0000:00:00.0: reg 0x38: [mem 0x00000000-0x0000ffff pref] > pci 0000:00:00.0: supports D1 > pci 0000:00:00.0: PME# supported from D0 D1 D3hot D3cold > pci 0000:01:00.0: [1033:0194] type 00 class 0x0c0330 > pci 0000:01:00.0: reg 0x10: [mem 0x00000000-0x00001fff 64bit] > pci 0000:01:00.0: PME# supported from D0 D3hot > pci_bus 0000:01: busn_res: [bus 01-ff] end is updated to 01 > pci 0000:00:00.0: BAR 8: assigned [mem 0xd0400000-0xd04fffff] > pci 0000:00:00.0: BAR 6: assigned [mem 0xd0500000-0xd050ffff pref] > pci 0000:01:00.0: BAR 0: assigned [mem 0xd0400000-0xd0401fff 64bit] > pci 0000:00:00.0: PCI bridge to [bus 01] > pci 0000:00:00.0: bridge window [mem 0xd0400000-0xd04fffff] > aer 0000:00:00.0:pcie002: service driver aer loaded > pci 0000:01:00.0: enabling device (0000 -> 0002) > (...) > xhci_hcd 0000:01:00.0: xHCI Host Controller > xhci_hcd 0000:01:00.0: new USB bus registered, assigned bus number 3 > xhci_hcd 0000:01:00.0: can't setup: -110 > xhci_hcd 0000:01:00.0: USB bus 3 deregistered > xhci_hcd 0000:01:00.0: init 0000:01:00.0 fail, -110 > xhci_hcd: probe of 0000:01:00.0 failed with error -110 > > # lspci -v > 00:00.0 PCI bridge: Synopsys, Inc. Device eddc (rev 01) (prog-if 00 [Normal decode]) > Flags: bus master, fast devsel, latency 0, IRQ 45 > Bus: primary=00, secondary=01, subordinate=01, sec-latency=0 > Memory behind bridge: d0400000-d04fffff > [virtual] Expansion ROM at d0500000 [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] #19 > Capabilities: [158] Vendor Specific Information: ID=0002 Rev=4 Len=100 <?> > Kernel driver in use: pcieport > > 01:00.0 USB controller: NEC Corporation uPD720200 USB 3.0 Host Controller (rev > 03) (prog-if 30 [XHCI]) > Flags: fast devsel > Memory at d0400000 (64-bit, non-prefetchable) [size=8K] > Capabilities: [50] Power Management version 3 > Capabilities: [70] MSI: Enable- Count=1/8 Maskable- 64bit+ > Capabilities: [90] MSI-X: Enable- Count=8 Masked- > Capabilities: [a0] Express Endpoint, MSI 00 > Capabilities: [100] Advanced Error Reporting > Capabilities: [140] Device Serial Number ff-ff-ff-ff-ff-ff-ff-ff > Capabilities: [150] Latency Tolerance Reporting > > -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
