[RFC PATCH 9/9] config: Enable support for the XHCI controller on RPI4 board

[Peter Robinson]

On Wed, Apr 22, 2020 at 1:26 PM Nicolas Saenz Julienne
<nsaenzjulienne at suse.de> wrote:
>
> Hi Peter,
>
> On Wed, 2020-04-22 at 11:50 +0100, Peter Robinson wrote:
> > > > This requires enabling BRCMSTB PCIe and XHCI_PCI drivers as well as PCI
> > > > and USB commands. To get it working one has to call the following
> > > > commands:
> > > > "pci enum; usb start;", thus such commands have been added to the default
> > > > "preboot" environment variable. One has to update his environment if it is
> > > > already configured to get this feature working out of the box.
> > > >
> > > > Signed-off-by: Marek Szyprowski <m.szyprowski at samsung.com>
> > > > ---
> > >
> > > Would you mind enabling USB keyboard support too? It's useful for people
> > > using
> > > u-boot/UEFI.
> >
> > And storage too:
> > CONFIG_USB_STORAGE=y
> > CONFIG_USB_KEYBOARD=y
> >
> > In testing these patches I can see the devices with a "usb tree" but
> > even with the keyboard enabled it doesn't appear to work. AFAICT with
> > it enabled there should be support for usb keyboard via console in
> > include/configs/rpi.h but I couldn't see what else might be missing.
>
> That's surprising, USB keyboard works fine in my case.

I've tried 2 devices and 2 keyboards and someone else managed to
reproduce it. Another person got it working on the top USB3 port but
it was even intermittent there.