On 2022-02-02, Stuart Henderson <stu.lists@spacehopper.org> wrote:
> On 2022-02-02, Avon Robertson <avon.r@xtra.co.nz> wrote:
>> I am trying to add a new PCI product ID (0xc158) for a serial interface
>> interface card to /usr/src/sys/dev/pci/pcidevs.
>>
>> For some reason e.g.: an omission or error due to something I should
>> [not] have done; make will not execute as shown below with other
>> relevant information.
>>
>> I would appreciate some guidance and input from anyone who can identify
>> my omission or error.
>
> Not sure what is up here, for what you're trying to do it should just be
> a case of adding to pcidevs and running "make". Maybe something in mk.conf
> or your environment but I don't know what it could be. Try running the awk
> command by hand and see if that gives any clues?
>
>
> I've tried to get a similar device working before and didn't quite manage
> it, but I'll give a few hints from what I worked out, unless there were
> some changes to puc(4) in the meantime which I missed then adding the device
> id is just the start.
>
>> $ fgrep -C -e c158 pcidevs
>> product OXFORD2 OXPCIE952 0xc110 OXPCIE952 Parallel
>> product OXFORD2 OXPCIE952S 0xc120 OXPCIE952 Serial
>> product OXFORD2 OXPCIE952S_1 0xc158 OXPCIE952 Serial
>
> FAAIK the device you added is the same IC as 0xc120 but is configured to use
> the native uart rather than the legacy uart (mapped to memory rather
> than io space); the mode is usually set by either jumpers or SMD resistors
> depending on the card (http://www.baddinsbits.altervista.org/pcie952mod.html)
>
> The device I tried to get working was OXPCIE954 (configured to native
> mode) and I had trouble getting the uart working at the right speed,
> see https://marc.info/?l=openbsd-tech&m=135068369817918&w=2 and
> the other thread referenced in there.
>
> There are some more recent changes for Linux relating to configuring
> speeds on this family of ICs which are probably worth looking at
> https://lore.kernel.org/all/alpine.DEB.2.21.2107131504270.9461@angie.orcam.me.uk/T/
>
>
Also https://marc.info/?l=openbsd-tech&m=139588720431286&w=2
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