Driver for Raspberry Pi 4 PCI-express controller

[Robert Crowston]

I did test on a pi4 with the latest USB firmware. A keyboard functioned okay without me doing anything special.

But thanks for pointing this to me.

On Thu, May 28, 2020 at 18:20, Klaus Küchemann <maciphone2 at googlemail.com> wrote:

>> Am 28.05.2020 um 17:37 schrieb Klaus Küchemann <maciphone2 at googlemail.com>:
>>
>>
>>
>>> Am 28.05.2020 um 16:57 schrieb Robert Crowston <crowston at protonmail.com>:
>>>
>>> Thanks Klaus.
>>>
>>> I see that the Pi foundation has today released the 8 GB Raspberry Pi 4. Unfortunately the driver here only provides the controller a 4 GB window into system memory, but I believe it should not be too hard to tweak.
>>>
>>> ‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
>>> On Wednesday, 27 May 2020 08:40, Klaus Küchemann <maciphone2 at googlemail.com> wrote:
>>
>>
>> Thanks Robert ,
>> …. you forced me to order an 8GB-model :-), since we need at least
>> 2 persons to test your driver.`guess it will arrive here in 2 or 4 days.
>> Didn’t find the time yet for further testing ...`will do a Wiki-entry tonight ….
>> There’s something special with the RPI4 using QWord , perhaps you can take a look at :
>> https://github.com/tianocore/edk2-platforms/blob/master/Platform/RaspberryPi/AcpiTables/Xhci.asl#L118
>> (and the OpenBSD-xhci-driver which addresses that issue)
>> (saw your comment in edkII-branch).
>
> … well, yet another thing :
>
> http://u-boot.10912.n7.nabble.com/PATCH-v3-0-2-usb-xhci-Load-Raspberry-Pi-4-VL805-s-firmware-td410664.html
>
> https://patchwork.kernel.org/cover/11529585/