Re: RPI4 install trip report

[email protected] (Robert Swindells) writes:


>[email protected] (Michael van Elst) wrote:
>> Our UEFI bootloader creates a fake DTB when it gets information
>> about ACPI being in charge and the kernel uses the ACPI attachments
>> instead of fdt or platform attachments.

>I think it would be better to pass the real DTB in every case but
>make the kernel try to attach using ACPI first.

>This would help to get more devices supported on the Quartz64.


Maybe, but also difficult since we do not track conflicting attachments.

The most prominent case is an old VGA card that may attach as ISA and
as PCI, which is only resolved by not being able to map the ISA addresses
twice.