[fedora-arm] Re: Details on Raspberry Pi 5 support timelines

Hi Peter,
Thank you for all your efforts.

I just thought about rpmfusion's images for RPix, while they are using
the downstream kernel, they might consider adding the support for RPi5,
this one instead of make a new remix, if that make sense.

Sally

On Sun, 2024-03-17 at 18:21 +0000, Peter Robinson wrote:
> Hi Folks,
>
> I finally got some time over the weekend to dig into Fedora on the
> RPi5.
>
> The TL;DR is that there won't be any way of even basic support
> officially for F-40 GA.
>
> For those interested in more details.....
>
> The main pieces missing from the upstream kernel to boot to a login
> prompt over serial is appear to be the following:
> * The SoC pinctrl driver
> * Support in the mmc storage driver for the SoC variant
> * Minor bits for the gpio driver
>
> I'm not aware of any efforts to get anything upstream, I've not seen
> patches on lists etc.
>
> We have the firmware (bcm/u-boot) pieces in place in Fedora 40 and
> the
> kernel will start to boot and you get serial console output except
> you
> end up at a dracut prompt due to lack of storage.
>
> I am considering doing a Fedora kernel with patches in copr, and
> probably a F-40 remix minimal image, to enable minimal boot so other
> low level developers can use it as a basis for further investigation
> for things like upstream development. I don't have a timeline for
> this
> yet but I suspect late April. At the moment this looks like it'll be
> mSD, WiFi, serial console support and not much else. I've not looked
> at PCIe, the RP1 chip, or any other peripherals at all.
>
> I'll reply to this thread if/when I have any further updates, feel
> free to reference it elsewhere.
>
> Until there's either a kernel or kernel+image unless you can
> contribute to upstream kernel pieces there's probably nothing that
> can
> be done like "testing". If you can do kernel and would like to assist
> me feel free to reachout outside of this thread.
>
> Peter
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