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Differential D56095

pci/uart: support 16550A PCI serial devices
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Authored by royger on Mar 26 2026, 8:24 PM.
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marcel
imp
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rG1491fe8f864a: uart/pci: support 16550A PCI serial devices
Summary

Expand the current check to also attach the ns8250 driver to devices
reporting as 16550A. This has been tested to work on a real device.

From an inspection of the code in the ns8250 driver it seems like it should
support up to 16950A devices, but I don't have hardware to ensure that,
hence be conservative with the change.

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Event Timeline

royger requested review of this revision.Mar 26 2026, 8:24 PM
royger created this revision.
imp accepted this revision.Mar 26 2026, 8:36 PM
This revision is now accepted and ready to land.Mar 26 2026, 8:36 PM
Closed by commit rG1491fe8f864a: uart/pci: support 16550A PCI serial devices (authored by royger). · Explain WhyMar 27 2026, 8:33 AM
This revision was automatically updated to reflect the committed changes.
royger added a commit: rG1491fe8f864a: uart/pci: support 16550A PCI serial devices.

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PathSize
sys/
dev/
uart/
2 lines

Diff 174371

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sys/dev/uart/uart_bus_pci.c

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