Re: MRF kernel modules not seeing hardware

[Di Wang via Tech-talk <tech-talk at aps.anl.gov>]

Sorry, forget to CC tech-talk

On 01/30/2025 10:55, Di Wang wrote:
> Hi Evan,
>
> > I can't create a /dev node via udev or otherwise. The bizarre thing is 
> > that when I replace the problem CPU card/installation with a known 
> > "working" installation, the device ids are the typical,  supported 
> > "Signal processing controller: Device 1a3e:152c/252c, everything 
> > corresponding to your pciids repo.
> According to this information, it seems that the PCI ID is not correct. 
> The PCI ID for your cPCI EVG/EVR 300 (0x250c/0x150c) are wrong. Correct 
> value should be 0x252c/0x152c. Perhaps a bit-reversal occurred?
> I also encountered similar problem several years before when I failed to 
> use one of my PXI EVR. Later I found that its PCI ID (0x10e6) was 
> wrongly set to a PMC EVR's (0x11e6).
> I suggest you to first re-flash the firmware and verify this error is 
> caused by MRF firmware or CPU card.
> You can download firmware here or contact Jukka.
> https://urldefense.us/v3/__https://github.com/jpietari/mrf-firmware/tree/main/dc__;!!G_uCfscf7eWS!eOtwh2_b69wag7xiD0S7RusUCpqG_TBnGeHoF-b9i_kSVvhluRUySUSLQhfoIcClbH2wgWiql1YkRgfWJY_oGQ$ 
>
> FYI, The supported PCI IDs
> https://urldefense.us/v3/__https://github.com/epics-modules/mrfioc2/blob/master/mrmShared/linux/__;!!G_uCfscf7eWS!eOtwh2_b69wag7xiD0S7RusUCpqG_TBnGeHoF-b9i_kSVvhluRUySUSLQhfoIcClbH2wgWiql1YkRgcQDZKCqw$  
> uio_mrf.c#L41-L74
> Cheers
> Di Wang
> KEK