[EXT] USB3 XHCI crashing with USB 3 hub on Octeon

[Mark Kettenis]

> From: Bin Meng <bmeng.cn at gmail.com>
> Date: Tue, 23 Feb 2021 16:07:57 +0800
> 
> Hi Aaron,
> 
> On Tue, Feb 23, 2021 at 3:31 PM Aaron Williams <awilliams at marvell.com> wrote:
> >
> > I have a follow-up. USB is working on our OcteonTX boards running 2020.10. It
> > may be something specific to the Octeon port. Note that I did see a problem
> > where the scratchpad memory is using direct pointers instead of physical
> > addresses (which will not work on MIPS). As far as I know, however, the Octeon
> > XHCI controller does not use the scratchpad memory.
> >
> 
> Do you plan to send a patch to convert the scratchpad pointer to
> physical address?

I actually ran into that issue while working on my port of U-Boot to
the Apple M1 machines.  Probably makes sense to do that as a separate
patch.  Will see if I can do so later today.