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riscv nexus: Remove support for I/O port resources
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Authored by jhb on Tue, Jan 21, 4:00 PM.
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Details

Summary

RISC-V doesn't natively support I/O port resources. PCI I/O port BARs
are remapped to memory resources by PCI bridge drivers before the
request is passed up to the nexus layer.

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rG FreeBSD src repository
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