One barebox image for multiple boards

Sascha Hauer sha at
Fri May 13 04:00:55 PDT 2022

Hi Matthias,

On Fri, May 13, 2022 at 10:55:02AM +0200, Matthias Fend wrote:
> Hi,
> I'm looking for a solution to support multiple boards with just one barebox
> image. The few core components that are relevant for barebox are the same on
> all boards, so that the same barebox image runs on all boards. It is
> possible to dynamically detect the board type inside barebox, but as this
> requires some infrastructure it is not possible during lowlevel init. So
> basically Barebox should boot with a minimal core device tree, detect the
> board type and then use the corresponding device tree of the detected board.
> Something similar to arch/arm/boards/stm32mp15xx-dkx/lowlevel.c but not at
> low level.

Do you even need the full device tree in barebox? The minimal core
device tree might be enough for barebox and only the kernel is then
booted with the full device tree.


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