Comments (5)
hai4john
commented on July 18, 2024
After looking at the code for the USB part in the liteX core, I found that only the 'Differential Pair mode' USB OHCI was implemented, and the '8-bit parallel mode' was not implemented.
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enjoy-digital
commented on July 18, 2024
Hello @hai4john,
for now we indeed only support USB OHCI, it would be possible to support ULPI but support hasn't been done yet.
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hai4john
commented on July 18, 2024
You may not clearly distinguish between USB controller and PHY (physical layer interface). The current code seems to implement controller + phy, not a separate controller. Only when the controller is implemented separately can the interface with phy be selected.
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enjoy-digital
commented on July 18, 2024
The current supported solution is indeed full integrated and only USB 1.1 compliant . I just meant that that Tang primer 20k dock has a ULPI chip and we don't currently have built-in solution for it.
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hai4john
commented on July 18, 2024
@enjoy-digital, I understand what you mean. Thank you very much for your reply. I look forward to the implementation of USB host on Tang primer 20k dock.
The current supported solution is indeed full integrated and only USB 1.1 compliant . I just meant that that Tang primer 20k dock has a ULPI chip and we don't currently have built-in solution for it.
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Related Issues (20)
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