USB3 xhci-hcd in SuperSpeed mode
#1
Hello everybody!

I try to use USB3 and USB3 port C in Super Speed mode, but all gadgets speed is downgrade to High Speed (USB2.0).

Tested on OpenWRT / Armbian_23.02.1_Rockpro64_bullseye_current_5.15.96_minimal 


There is kernel log for USB3 flash stick on my PC:
Code:
[82897.181855] usb 4-4: new SuperSpeed USB device number 3 using xhci_hcd
[82897.202426] usb 4-4: New USB device found, idVendor=125f, idProduct=105b
[82897.202429] usb 4-4: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[82897.202431] usb 4-4: Product: ADATA USB Flash Drive
[82897.202432] usb 4-4: Manufacturer: ADATA
[82897.202434] usb 4-4: SerialNumber: 2180800000000263

Same USB3 flash stick on rockpro64-v2.1  (armbian):
Code:
[  239.045083] usb 3-1: new high-speed USB device number 2 using xhci-hcd
[  239.194061] usb 3-1: New USB device found, idVendor=125f, idProduct=105b, bcdDevice= a.00
[  239.194098] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  239.194121] usb 3-1: Product: ADATA USB Flash Drive
[  239.194140] usb 3-1: Manufacturer: ADATA
[  239.194157] usb 3-1: SerialNumber: 2180800000000263

root@rockpro64:~# lsusb -tv
/:  Bus 08.Port 1: Dev 1, Class=root_hub, Driver=ohci-platform/1p, 12M
    ID 1d6b:0001 Linux Foundation 1.1 root hub
/:  Bus 07.Port 1: Dev 1, Class=root_hub, Driver=ohci-platform/1p, 12M
    ID 1d6b:0001 Linux Foundation 1.1 root hub
/:  Bus 06.Port 1: Dev 1, Class=root_hub, Driver=ehci-platform/1p, 480M
    ID 1d6b:0002 Linux Foundation 2.0 root hub
/:  Bus 05.Port 1: Dev 1, Class=root_hub, Driver=ehci-platform/1p, 480M
    ID 1d6b:0002 Linux Foundation 2.0 root hub
/:  Bus 04.Port 1: Dev 1, Class=root_hub, Driver=xhci-hcd/1p, 5000M
    ID 1d6b:0003 Linux Foundation 3.0 root hub
/:  Bus 03.Port 1: Dev 1, Class=root_hub, Driver=xhci-hcd/1p, 480M
    ID 1d6b:0002 Linux Foundation 2.0 root hub
    |__ Port 1: Dev 2, If 0, Class=Mass Storage, Driver=usb-storage, 480M
        ID 125f:105b A-DATA Technology Co., Ltd.
/:  Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci-hcd/1p, 5000M
    ID 1d6b:0003 Linux Foundation 3.0 root hub
/:  Bus 01.Port 1: Dev 1, Class=root_hub, Driver=xhci-hcd/1p, 480M
    ID 1d6b:0002 Linux Foundation 2.0 root hub

Do rockpro64-v2.1 support Super Speed at all?

Thanks
  Reply


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