[RESEND PATCH v3 0/3] rpi: Convert to standard boot

[Simon Glass]

Hi Peter,

On Sun, 8 Oct 2023 at 12:02, Peter Robinson <pbrobinson at gmail.com> wrote:
>
> Hi Simon,
>
> > > So with more testing of 2023.10 in Fedora we found a regression where
> > > the display dies when the vc4 module loads in the kernel. With further
> > > debug it was found that it was due to the new U-Boot and with
> > > bisecting it myself I have found this series is the cause of the
> > > regression.
> > >
> > > The testing I have done is with recent RPi firmware, U-Boot 2023.10
> > > and kernel 6.5.x, but also seen with 6.4.x, with a minimal text only
> > > image. I can also reproduce it by using the F-38 GA image, no updates
> > > and purely just changing the U-Boot component. I've done my testing on
> > > the RPi4.
> > >
> > > Let me know if you need more information, I believe you have a RPi you
> > > can test with.
> >
> > Thanks for the report. Which rpi should I test with? I take it that
> > vc4 is a kernel module? Do you have the error message?
>
> Well I've been testing on the RPi4 (as I mentioned above), there's no
> direct error message that's directly linked but the screen goes blank
> and turns off, even on a text only install, and yes, on the rpi4 the
> vc4 kernel module deals with driving the HDMI and other output
> interfaces (whereas the v3d is the driver for the render unit), and on
> rpi3 and older vc4 also runs the 3D render module too.

OK I have an rpi4, but I don't get that far:

>>>
U-Boot 2023.10-00111-g7d1e5aacdb4 (Oct 08 2023 - 14:14:10 -0600)

DRAM:  948 MiB (effective 3.9 GiB)
RPI 4 Model B (0xc03111)
Core:  205 devices, 16 uclasses, devicetree: board
MMC:   mmcnr at 7e300000: 1, mmc at 7e340000: 0
Loading Environment from FAT... Unable to read "uboot.env" from mmc0:1...
In:    serial,usbkbd
Out:   serial,vidconsole
Err:   serial,vidconsole
Net:   eth0: ethernet at 7d580000
PCIe BRCM: link up, 5.0 Gbps x1 (SSC)
starting USB...
Bus xhci_pci: Register 5000420 NbrPorts 5
Starting the controller
USB XHCI 1.00
scanning bus xhci_pci for devices... 3 USB Device(s) found
       scanning usb for storage devices... 1 Storage Device(s) found
Hit any key to stop autoboot:  0
U-Boot> bootfl scan
Card did not respond to voltage select! : -110
** Booting bootflow 'usb_mass_storage.lun0.bootdev.part_2' with efi
Card did not respond to voltage select! : -110
Failed to load EFI variables
ERROR: invalid device tree
Boot failed (err=-22)
<<<

Do you know what that might be? I ask because it seems that you are
actually able to boot.

I'll keep looking.

Regards,
Simon
[..]