gateware.usb.usb2.device: Enable HS transfer with custom UTMI

greatscottgadgets / luna

Amaranth HDL framework for monitoring, hacking, and developing USB devices

https://greatscottgadgets.com/cynthion/

BSD 3-Clause "New" or "Revised" License

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Open jeanthom opened 2 months ago

jeanthom commented 2 months ago

Removes Full Speed limitation when using custom UTMI PHY. Bump the associated clock to 60 MHz (required for achieving 480Mbps throughput).

Fixes #276