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

[Marek Szyprowski]

Hi

On 05.05.2020 13:15, 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?

rpi_arm64_defconfig is for common image, which works on both RPi 3 and 
RPi 4.

Best regards
-- 
Marek Szyprowski, PhD
Samsung R&D Institute Poland