[PATCH] opos6uldev: Stop disabling device tree relocation

Sébastien Szymanski sebastien.szymanski at armadeus.com
Wed Nov 19 10:50:25 CET 2025


Hello,

On 11/18/25 7:03 PM, Tom Rini wrote:
> Remove setting of fdt_high to ~0, which disables device tree relocation,
> from the default environment. Doing so prevents U-Boot from correcting
> problems such as having an unaligned device tree and leads to various
> failure modes in the OS.
> 
> Signed-off-by: Tom Rini <trini at konsulko.com>
> ---
> If there is some window of memory that must be used for where the device
> tree is relocated to, bootm_low + bootm_size (or often just bootm_size)
> or bootm_mapsize are the correct way do this. Please see
> doc/usage/environment.rst for more details.
> 
> Cc: "Sébastien Szymanski" <sebastien.szymanski at armadeus.com>
> ---
>   board/armadeus/opos6uldev/opos6uldev.env | 1 -
>   1 file changed, 1 deletion(-)

Reviewed-by: Sébastien Szymanski <sebastien.szymanski at armadeus.com>

Regards,

> 
> diff --git a/board/armadeus/opos6uldev/opos6uldev.env b/board/armadeus/opos6uldev/opos6uldev.env
> index 2e7b65968d1d..463d0984fbc9 100644
> --- a/board/armadeus/opos6uldev/opos6uldev.env
> +++ b/board/armadeus/opos6uldev/opos6uldev.env
> @@ -10,7 +10,6 @@ env_version=100
>   consoledev=ttymxc0
>   board_name=opos6ul
>   fdt_addr=0x88000000
> -fdt_high=0xffffffff
>   fdt_name=opos6uldev
>   initrd_high=0xffffffff
>   ip_dyn=yes


-- 
Sébastien Szymanski, Armadeus Systems
Software engineer


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