Rockchip DWC2 issue

Jagan Teki jagan at amarulasolutions.com
Tue Jun 20 07:37:26 PDT 2023


Hi,

Has anyone tried to use dwc2 and echi port together with USB disk?
look like this is not working with this combination on any Rockchip
SoC's

Here are the issues that I've reproduced in RK3328 where the disk
connected in EHCI port is detecting but DWC2 is not. Any clue?

=> usb start
starting USB...
Bus usb at ff5c0000: USB EHCI 1.00
Bus usb at ff5d0000: USB OHCI 1.0
Bus usb at ff600000: generic_phy_get_bulk : no phys property
Register 2000140 NbrPorts 2
Starting the controller
USB XHCI 1.10
Bus usb at ff580000: USB DWC2
scanning bus usb at ff5c0000 for devices... 2 USB Device(s) found
scanning bus usb at ff5d0000 for devices... 1 USB Device(s) found
scanning bus usb at ff600000 for devices... 1 USB Device(s) found
scanning bus usb at ff580000 for devices... Adding disk for
usb_mass_storage.lun0 failed
(err=-9223372036854775788/0x8000000000000014)
device 'usb_mass_storage.lun0' failed to unbind
1 USB Device(s) found
device 'usb_mass_storage.lun0' failed to unbind
       scanning usb for storage devices... 2 Storage Device(s) found
=> usb tree
USB device tree:
  1  Hub (480 Mb/s, 0mA)
  |  u-boot EHCI Host Controller
  |
  +-2  Mass Storage (480 Mb/s, 100mA)
       Generic Teclast CoolFlash 4163831324317134

  1  Hub (12 Mb/s, 0mA)
      U-Boot Root Hub

  1  Hub (5 Gb/s, 0mA)
     U-Boot XHCI Host Controller

  1  Hub (480 Mb/s, 0mA)
      U-Boot Root Hub

Thanks,
Jagan.



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