Raspberry Pi Compute Module 5 support

[Peter Robinson]

On Sat, 7 Jun 2025 at 21:27, Jojan <jjvazha at yahoo.com> wrote:
>
>  Sorry I mean 2712Raspebrry -P 4 , that the U-boot support as of now includes , bcm2711.dtsi
> bcm2711-rpi-4-b.dts:#include "bcm2711.dtsi"
>
> However RPi-5 uses broadcom 2712 chips.These dts files are not available in u-boot.Howver you can get it from other places and modify / inroduce in your device tree source and configure correctly.

By default it will use the DT passed from the previous firmware, the
advantage of this is it deals with any of the overlays and other
pieces applied.

>
>     On Saturday, June 7, 2025 at 11:19:28 AM PDT, Jonas Kvinge <jonaski at opensuse.org> wrote:
>
>  I've never heard of bcm7712, it's not
> on https://github.com/raspberrypi/firmware/tree/master/boot
> Or do you mean bcm2712?
>
> I managed to get u-boot v2025.04 to load  by setting boot delay to -2,
> same issue as described here:
> https://lists.denx.de/pipermail/u-boot/2024-December/576043.html
>
> What are the changes does the custodian version have that are needed?
> It seems like it's not up to date with the new version u-boot.
>
> Jonas
>
> On Sat, 2025-06-07 at 17:56 +0000, Jojan wrote:
> >
> >
> > Master is ok. But it won’t work as is. You need to have rpi5
> > configuration and the dts files. I did it a year back. But since  did
> > not have bcm7712 dts files, I took the dtb file from the raspberry pi
> > images ( it has a pre built dtb file, and extracted dts)
> >
> > dtc -I dtb -O dts -o <output.dts> -i< input.dtb>
> >
> >
> >
> >
> >  On Saturday, June 7, 2025 at 03:26:31 AM PDT, Jonas Kvinge
> > <jonaski at opensuse.org> wrote:
> >
> >
> >
> >
> >
> > Which branch? The master branch is 1 year old.
> >
> > On Thu, 2025-06-05 at 21:52 +0000, Jojan wrote:
> > >
> > > You need to take raspberry  ( custodian version)
> > >
> > >
> > > Making sure you're not a bot!
> > >
> > > Making sure you're not a bot!
> > >
> > >
> > >
> > >
> > > But it is still missing the device tree fro bcm7712 ( RPI 5 is
> > > bcm7712)
> > > But you can Dow load the dtb file from the pre built dtb file from
> > > raspberry pi images
> > >
> > > and  use those  device tree sources ( using a dtc )
> > >
> > >
> > >
> > >
> > >
> > >
> > >  On Thursday, June 5, 2025 at 02:13:24 PM PDT, Jonas Kvinge
> > > <jonaski at opensuse.org> wrote:
> > >
> > >
> > >
> > >
> > >
> > > Hi,
> > > I'm trying to boot openSUSE Linux on an CM5 using a sourcekit io
> > > board
> > > (https://sourcekit.cc/#/).
> > > u-boot seem to be stuck with the logo on the upper right corner, no
> > > text.
> > > I re-built u-boot using the latest source from git from the next
> > > branch
> > > and also set CONFIG_LOG in make menuconfig, but still no text.
> > >
> > > Is the CM5 supported by u-boot?
> > >
> > > Jonas
> > >
> > >
> >
> >
> >
>