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Add driver for Rockchip PCIe root complex found in RK3399 SOC.

Authored by mmel on Dec 7 2019, 5:02 PM.



Unfortunately, there are some limitations:

  • memory aperture of this controller is only 16MiB, so it is nearly unusable for graphic cards
  • every attempt to generate type 1 config cycle always causes trap. These config cycles are disabled now and we don't support cards with PCIe switch.
  • in some cases, attempt to do config cycle to (probably) not-yet ready card also causes trap. This cannot be detected at runtime, but it seems like very rare issue.

MFC after: 3 weeks

Diff Detail

rS FreeBSD src repository - subversion
Automatic diff as part of commit; lint not applicable.
Automatic diff as part of commit; unit tests not applicable.