Re: VisionFive 2 USB support

[Nick Hudson <nick.hudson%gmx.co.uk@localhost>]

On 04/02/2025 15:20, Florian Kanngießer wrote:
> Hi Nick,
> I'm running the kernel from the image like this:
>  >  Hildebrand# uname -a
>  >  NetBSD Hildebrand.fritz.box 10.99.12 NetBSD 10.99.12 (GENERIC64) #0:
> Wed Jan 29 20:34:30 UTC 2025
> mkrepro%mkrepro.NetBSD.org@localhost:/usr/src/sys/arch/riscv/compile/GENERIC64 riscv
>
> I haven't done any modifications to it and I'm not sure if I'm competent
> enough to disable axppmic attachement based on the post you provided
> (sorry /o\).
> I did however notice one interesting thing. Afaik the USB hub on the
> VisionFive 2 is attached via PCI and when I run lspci I get the following:
>  >  Hildebrand# lspci
>  >  pcilib: Cannot open /dev/pci0
>  >  lspci: Cannot find any working access method.
>
> Also looking deeper into dmesg I can see this:
>  >  Hildebrand# dmesg | grep pci
>  >  [     1.000000] jh7110pcie0 at simplebus1autoconfiguration error: :
> couldn't get apb registers
>  >  [     1.000000] jh7110pcie1 at simplebus1autoconfiguration error: :
> couldn't get apb registers
>  >  [     1.000000] jh7110pcie0 at simplebus1autoconfiguration error: :
> couldn't get apb registers
>  >  [     1.000000] jh7110pcie1 at simplebus1autoconfiguration error: :
> couldn't get apb registers

This appears to be your DTB isn't the one from NetBSD. Are you running a
recent mainline or pkgsrc u-boot? are the files in /boot/ recent?

You're right the xhci controller is pci attached.


> Is any of this related to axppmic?

no :) axppmic was my first guess.

Nick