David Brownlee <abs%absd.org@localhost> writes:
> Would it make sense to have a known set of overrides for
> RBUS_IO_BASE and PCIC_ISA_ALLOC_IOBASE? Even if it is keyed by something
> like machdep.dmi.system-{vendor,product,version} or similar, it would be
> nice to be able to get it right automatically in a few more cases.
Definitely, or better yet code to guess the values at boot time.
> Alternatively is it possible to map it and poke it to see if its working,
> then switch to a fallback address if not?
Probably, but the trick is to check the slot without a device.
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