On 7/19/23 02:55, Da Xue wrote:
On Tue, Jul 18, 2023 at 3:13 PM Heinrich Schuchardt <xypron.g...@gmx.de
<mailto:xypron.g...@gmx.de>> wrote:



    Am 18. Juli 2023 20:37:04 MESZ schrieb Suniel Mahesh
    <su...@amarulasolutions.com <mailto:su...@amarulasolutions.com>>:
     >Hi,
     >
     >I am testing the USB infrastructure on a Rockchip RK3328 based
     >roc-rk3328-cc target.
     >
     >The USB tree on the device is as follows:
     >
     >=> usb tree
     >USB device tree:
     >  1  Hub (480 Mb/s, 0mA)
     >     u-boot EHCI Host Controller
     >
     >  1  Hub (12 Mb/s, 0mA)
     >      U-Boot Root Hub   (OHCI)
     >
     >  1  Hub (5 Gb/s, 0mA)
     >     U-Boot XHCI Host Controller
     >
     >  1  Hub (480 Mb/s, 0mA)
     >      U-Boot Root Hub (DWC2)
     >
     >For some reason I am unable to detect storage device on DWC2 when
    two USB
     >drives
     >are simultaneously connected on EHCI and DWC2. Though it shows 2
    storage
     >devices
     >when i do a "usb start/reset" and it gives usb_mass_storage.lun0
    failed
     >message as
     >shown below.

    On which U-Boot version are you?


This is replicated on v2023.07.

We need to model the UCLASS_USB device in the EFI device path to make
the device paths of the two USB sticks unique.

Best regards

Heinrich



    Cf.
    https://github.com/trini/u-boot/commit/180b7118bed8433f9cfe4b5ad62c6b0d901924f5 
<https://github.com/trini/u-boot/commit/180b7118bed8433f9cfe4b5ad62c6b0d901924f5>

    Best regards

    Heinrich



     >
     >=> usb start
     >starting USB...
     >Bus usb@ff5c0000: USB EHCI 1.00
     >Bus usb@ff5d0000: USB OHCI 1.0
     >Bus usb@ff600000: generic_phy_get_bulk : no phys property
     >Register 2000140 NbrPorts 2
     >Starting the controller
     >USB XHCI 1.10
     >Bus usb@ff580000: USB DWC2
     >scanning bus usb@ff5c0000 for devices...
     >2 USB Device(s) found
     >scanning bus usb@ff5d0000 for devices... 1 USB Device(s) found
     >scanning bus usb@ff600000 for devices... 1 USB Device(s) found
     >scanning bus usb@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, 224mA)
     >       SanDisk Dual Drive 040130e3ee554b7078843f4eb331646
     >
     >  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
     >
     >call trace: (detailed log:
     >https://gist.github.com/sunielmahesh/10088ea7b536cc9898ef787d9db43721 
<https://gist.github.com/sunielmahesh/10088ea7b536cc9898ef787d9db43721>)
     >
     >efi_install_multiple_protocol_interfaces_int
     >device path
     
>/VenHw(e61d73b9-a384-4acc-aeab-82e828f3628b)/USB(0x0,0x0)/USB(0x1,0x0)/Ctrl(0x0)
     >09576e91-6d3f-11d2-8e39-00a0c969723b, 00000000fcf1bae8,
     >00000000fcf1bae0efi_locate_device_path: ret = EFI_SUCCESS
     >efi_install_multiple_protocol_interfaces_int: ret=0, dp->type:7f
     >Path
     
>/VenHw(e61d73b9-a384-4acc-aeab-82e828f3628b)/USB(0x0,0x0)/USB(0x1,0x0)/Ctrl(0x0)
     >already installed
     >install failed 8000000000000014
     >
     >However, an interesting observation is that if i disable
    CONFIG_EFI_LOADER,
     >then I am able to detect the storage devices
     >without any usb_mass_storage.lun0 failed message:
     >
     >=> usb reset
     >resetting USB...
     >Bus usb@ff5c0000: USB EHCI 1.00
     >Bus usb@ff5d0000: USB OHCI 1.0
     >Bus usb@ff600000: generic_phy_get_bulk : no phys property
     >Register 2000140 NbrPorts 2
     >Starting the controller
     >USB XHCI 1.10
     >Bus usb@ff580000: USB DWC2
     >scanning bus usb@ff5c0000 for devices... 2 USB Device(s) found
     >scanning bus usb@ff5d0000 for devices... 1 USB Device(s) found
     >scanning bus usb@ff600000 for devices... 1 USB Device(s) found
     >scanning bus usb@ff580000 for devices... 2 USB Device(s) found
     >       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, 224mA)
     >       SanDisk Dual Drive 040130e3ee554b7078843f4eb331646
     >
     >  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
     >  |
     >  +-2  Mass Storage (480 Mb/s, 224mA)
     >       SanDisk Dual Drive 04019c9b2e1a58f24ee318c3c123aa5
     >
     >Please share you thoughts.
     >
     >Thanks and Regards


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