EFI breaks USB dual port detection - our observations

[Heinrich Schuchardt]

Am 18. Juli 2023 20:37:04 MESZ schrieb Suniel Mahesh <sunil at 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?

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

Best regards

Heinrich



>
>=> 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, 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)
>
>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 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... 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