[PATCH v2 10/10] config: Enable support for the XHCI controller on RPI4 board

[Nicolas Saenz Julienne]

[ Adding Matthias as he's the board maintainer ]

On Tue, 2020-05-05 at 19:15 +0800, Bin Meng wrote:
> On Mon, May 4, 2020 at 8:45 PM Sylwester Nawrocki
> <s.nawrocki at samsung.com> wrote:
> > From: Marek Szyprowski <m.szyprowski at samsung.com>
> > 
> > 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 their 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>
> > Signed-off-by: Sylwester Nawrocki <s.nawrocki at samsung.com>
> > ---
> > Changes since v1:
> >  - removed unneeded CONFIG_XHCI_64BIT_DWORD_ACCESS_ONLY entry.
> > 
> > Changes since RFC:
> >  - none.
> > ---
> >  configs/rpi_4_32b_defconfig | 9 +++++++++
> >  configs/rpi_4_defconfig     | 9 +++++++++
> >  configs/rpi_arm64_defconfig | 8 +++++++-
> >  3 files changed, 25 insertions(+), 1 deletion(-)
> > 
> 
> What are these 3 defconfigs files for? Seems there is no MAINTAINERS
> mentioning them.
> 
> I assume rpi_4_32b_defconfig is for 32-bit U-Boot and rpi_4_defconfig
> is for 64-bit U-Boot for RPi 4? What is rpi_arm64_defconfig?

I think rpi_arm64_defconfig is for both rpi3 & rpi4.

Regards,
Nicolas

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