Changes between Version 1 and Version 12 of Ticket #18432


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Timestamp:
Jun 10, 2023, 2:41:50 PM (18 months ago)
Author:
X512
Comment:

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  • Ticket #18432 – Description

    v1 v12  
    33Only keyboard or only mouse connected works, but not together. Connecting multiple USB mass storage devices (3 USB drives and one mouse) works. If MSI-X is not enabled for XHCI, one of 4 USB ports (upper left) is not working.
    44
    5 syslog:
     5USB support is implemented with VL805 chip that is connected to PCIe bus and provides 4 USB ports version 2 or 3. It implements XHCI interface and have 5 internal USB ports. Port 1 is connected to internal USB 2 hub that is used for USB 2 devices support. Ports 2-5 are USB 3 ports and connected to external USB ports 1-4.
     6
     7Problems summary with VL805 chip:
     81. Interrupt endpoints with 2 or more devices at the same time is not working. Bulk endpoint work fine with USB 2 mode (mouse and 3 USB mass storage configuration work fine).
     92. Only 2 of 4 USB 3 ports are powered on (ports 2, 4: OK, ports 3, 5: not working).
     103. USB Mass storage devices in USB 3 mode work unstable and trigger errors "Babble detected", "Device FIFO overrun".
     11
     12Problem 1 syslog:
    613{{{
    714usb hub 8: port 1: new device connected