PCIE to USB resens 7202201

[tomgao]

the xhci can not work correctly. Next is the log :

ffs2: version 2.2. (NAND) 漏 2001-2006 Red Hat, Inc.
fuse init (API version 7.22)
msgmni has been set to 1999
io scheduler noop registered
io scheduler deadline registered
io scheduler cfq registered (default)
imx-weim 21b8000.weim: Driver registered.
imx6q-pcie 1ffc000.pcie: PCI host bridge to bus 0000:00
pci_bus 0000:00: root bus resource [io 0x1000-0x10000]
pci_bus 0000:00: root bus resource [mem 0x01000000-0x01efffff]
pci_bus 0000:00: root bus resource [bus 00-ff]
PCI: bus0: Fast back to back transfers disabled
PCI: bus1: Fast back to back transfers disabled
pci 0000:00:00.0: BAR 0: assigned [mem 0x01000000-0x010fffff]
pci 0000:00:00.0: BAR 8: assigned [mem 0x01100000-0x011fffff]
pci 0000:00:00.0: BAR 6: assigned [mem 0x01200000-0x0120ffff pref]
pci 0000:01:00.0: BAR 0: assigned [mem 0x01100000-0x01101fff 64bit]
pci 0000:00:00.0: PCI bridge to [bus 01]
pci 0000:00:00.0: bridge window [mem 0x01100000-0x011fffff]
------------[ cut here ]------------
WARNING: CPU: 0 PID: 1 at kernel/irq/manage.c:1412 request_threaded_irq+0xfc/0x124()
---[ end trace 4d7e234f4f13e8b8 ]---
pcie_pme: probe of 0000:00:00.0:pcie01 failed with error -22
pci 0000:01:00.0: xHCI HW not ready after 5 sec (HC bug?) status = 0x1801
backlight.31 supply power not found, using dummy regulator
mxc_mipi_dsi 21e0000.mipi: i.MX MIPI DSI driver probed
MIPI DSI driver module loaded
imx6q-pinctrl 20e0000.iomuxc: pin MX6Q_PAD_DI0_PIN4 already requested by 21d8000.audmux; cannot claim for lcd.30
imx6q-pinctrl 20e0000.iomuxc: pin-91 (lcd.30) status -22
imx6q-pinctrl 20e0000.iomuxc: could not request pin 91 (MX6Q_PAD_DI0_PIN4) from group ipu1grp on device 20e0000.iomuxc
mxc_lcdif lcd.30: Error applying setting, reverse things back
imx6q-pinctrl 20e0000.iomuxc: pin MX6Q_PAD_DI0_PIN4 already requested by 21d8000.audmux; cannot claim for lcd.30
imx6q-pinctrl 20e0000.iomuxc: pin-91 (lcd.30) status -22
imx6q-pinctrl 20e0000.iomuxc: could not request pin 91 (MX6Q_PAD_DI0_PIN4) from group ipu1grp on device 20e0000.iomuxc
mxc_lcdif lcd.30: Error applying setting, reverse things back
mxc_lcdif lcd.30: can't get/select pinctrl
mxc_lcdif: probe of lcd.30 failed with error -22
mxc_hdmi 20e0000.hdmi_video: Detected HDMI controller 0x13:0xa:0xa0:0xc1
fbcvt: Refresh rate not CVT standard
fbcvt: 1920x1080@30: CVT Name - Not a CVT standard - 2.073 Mega Pixel Image

1. mxc_sdc_fb fb.26: registered mxc display driver hdmi
   imx-ipuv3 2400000.ipu: IPU DMFC DP HIGH RESOLUTION: 1(0,1), 5B(2~5), 5F(6,7)
   Console: switching to colour frame buffer device 240x67
   mxc_hdmi 20e0000.hdmi_video: Error only one HDMI output support now!
   mxc_sdc_fb fb.27: NO mxc display driver found!
   mxc_sdc_fb fb.28: NO mxc display driver found!
   mxc_sdc_fb fb.29: registered mxc display driver ldb
   imx-sdma 20ec000.sdma: no iram assigned, using external mem
   imx-sdma 20ec000.sdma: no event needs to be remapped
   imx-sdma 20ec000.sdma: loaded firmware 3.1
   imx-sdma 20ec000.sdma: initialized
   pfuze100-regulator 1-0008: Full layer: 2, Metal layer: 1
   pfuze100-regulator 1-0008: FAB: 0, FIN: 0
   pfuze100-regulator 1-0008: pfuze100 found.
   SW1AB: 300 <--> 1875 mV at 1150 mV
   SW1C: 300 <--> 1875 mV at 1175 mV
   SW2: 800 <--> 3300 mV at 3000 mV
   SW3A: 400 <--> 1975 mV at 1500 mV
   SW3B: 400 <--> 1975 mV at 1500 mV
   SW4: 800 <--> 1975 mV at 1800 mV
   SWBST: 5000 <--> 5150 mV at 5000 mV
   VSNVS: 1000 <--> 3000 mV at 3000 mV
   VREFDDR: 750 mV
   VGEN1: 800 <--> 1550 mV at 800 mV
   VGEN2: 800 <--> 1550 mV at 1500 mV
   VGEN3: 1800 <--> 3300 mV at 2800 mV
   VGEN4: 1800 <--> 3300 mV at 1800 mV
   VGEN5: 1800 <--> 3300 mV at 3000 mV
   VGEN6: 1800 <--> 3300 mV at 2800 mV
   Serial: IMX driver
   2020000.serial: ttymxc0 at MMIO 0x2020000 (irq = 58, base_baud = 5000000) is a IMX
   console [ttymxc0] enabled
   serial: Freescale lpuart driver
   imx sema4 driver is registered.
   [drm] Initialized drm 1.1.0 20060810
   [drm] Initialized vivante 1.0.0 20120216 on minor 0
   brd: module loaded
   loop: module loaded
   st: Version 20101219, fixed bufsize 32768, s/g segs 256
   osst :I: Tape driver with OnStream support version 0.99.4
   osst :I: $Id: osst.c,v 1.73 2005/01/01 21:13:34 wriede Exp $
   SCSI Media Changer driver v0.25
   ahci-imx 2200000.sata: fsl,transmit-level-mV not specified, using 00000024
   ahci-imx 2200000.sata: fsl,transmit-boost-mdB not specified, using 00000480
   ahci-imx 2200000.sata: fsl,transmit-atten-16ths not specified, using 00002000
   ahci-imx 2200000.sata: fsl,receive-eq-mdB not specified, using 05000000
   ahci-imx 2200000.sata: SSS flag set, parallel bus scan disabled
   ahci-imx 2200000.sata: AHCI 0001.0300 32 slots 1 ports 3 Gbps 0x1 impl platform mode
   ahci-imx 2200000.sata: flags: ncq sntf stag pm led clo only pmp pio slum part ccc apst
   scsi0 : ahci_platform
   ata1: SATA max UDMA/133 mmio [mem 0x02200000-0x02203fff] port 0x100 irq 71
   m25p80 spi0.0: found mr25h256, expected m25p32
   m25p80 spi0.0: mr25h256 (32 Kbytes)
   spi_imx 2008000.ecspi: probed
   spi_imx 2010000.ecspi: probed
   CAN device driver interface
   2188000.ethernet supply phy not found, using dummy regulator
   pps pps0: new PPS source ptp0
   fec 2188000.ethernet (unregistered net_device): Invalid MAC address: 00:00:00:00:00:00
   fec 2188000.ethernet (unregistered net_device): Using random MAC address: da:29:67:d2:f0:0d
   libphy: fec_enet_mii_bus: probed
   fec 2188000.ethernet eth0: registered PHC device 0
   ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
   ehci-pci: EHCI PCI platform driver
   ehci-mxc: Freescale On-Chip EHCI Host driver
   xhci_hcd 0000:01:00.0: xHCI Host Controller
   xhci_hcd 0000:01:00.0: new USB bus registered, assigned bus number 1
   xhci_hcd 0000:01:00.0: Host not halted after 16000 microseconds.
   xhci_hcd 0000:01:00.0: can't setup: -110
   xhci_hcd 0000:01:00.0: USB bus 1 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
   usbcore: registered new interface driver usb-storage
   2184800.usbmisc supply vbus-wakeup not found, using dummy regulator
   ci_hdrc ci_hdrc.1: doesn't support gadget
   ci_hdrc ci_hdrc.1: EHCI Host Controller
   ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus number 1
   ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00
   hub 1-0:1.0: USB hub found
   hub 1-0:1.0: 1 port detected
   mousedev: PS/2 mouse device common for all mice
   i2c-core: driver [isl29023] using legacy suspend method
   i2c-core: driver [isl29023] using legacy resume method
   snvs_rtc 20cc034.snvs-rtc-lp: rtc core: registered 20cc034.snvs-rtc-lp as rtc0
   i2c /dev entries driver
   IR NEC protocol handler initialized
   IR RC5(x) protocol handler initialized
   IR RC6 protocol handler initialized
   IR JVC protocol handler initialized
   IR Sony protocol handler initialized
   IR RC5 (streamzap) protocol handler initialized
   IR SANYO protocol handler initialized
   IR MCE Keyboard/mouse protocol handler initialized
   dummy 1-0036: write reg error: ret = -5
   dummy 1-0036: write reg error: ret = -5
   dummy 1-0036: write reg error: ret = -5
   ata1: SATA link down (SStatus 0 SControl 300)
   ahci-imx 2200000.sata: no device found, disabling link.
   ahci-imx 2200000.sata: pass ahci_imx..hotplug=1 to enable hotplug

[igorpadykov]

Hi tom

this may be caused by ERR005723 PCIe: PCIe does not support L2

i.MX6DQ Errata

http://cache.freescale.com/files/32bit/doc/errata/IMX6DQCE.pdf

also please check attached Release Notes Table 20. Known issues and workarounds

Best regards
igor
-----------------------------------------------------------------------------------------------------------------------
Note: If this post answers your question, please click the Correct Answer button. Thank you!
-----------------------------------------------------------------------------------------------------------------------

[tomgao]

My linux version is 3.14.28 . the develop board is MICMX6Q-SDB