[PATCH v4 1/1] efi_loader: expose the device-tree file name

[Tom Rini]

On Tue, Oct 24, 2023 at 08:20:32AM +0200, Heinrich Schuchardt wrote:

> Forward and backward compatibility of Linux kernel device-trees is
> sometimes missing. One solution approach is to load a kernel specific
> device-tree. This can either be done via a U-Boot scripts (like the one
> generated by Debian package flash-kernel or by a boot loader like GRUB.
> The boot loader approach currently requires to know the device-tree name
> before first boot which makes it unusable for generic images.
> 
> Expose the device-tree file name as EFI variable FdtFile.
> This will allow bootloaders to load a kernel specific device-tree.
> 
> The variable will not be exposed on ACPI based systems or if the
> environment variable fdtfile is not defined.
> 
> Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt at canonical.com>

Reviewed-by: Tom Rini <trini at konsulko.com>

-- 
Tom
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 659 bytes
Desc: not available
URL: <https://lists.denx.de/pipermail/u-boot/attachments/20231024/0f474b51/attachment.sig>