[PATCH] doc: bootstd: Describe the optional extension_overlay_addr environment

[Heinrich Schuchardt]

On 11/4/25 11:45, Kory Maincent wrote:
> From: "Kory Maincent (TI.com)" <kory.maincent at bootlin.com>
> 
> Add extension_overlay_addr description to the list of environment
> variables that can be useful during the standard boot.
> 
> Signed-off-by: Kory Maincent (TI.com) <kory.maincent at bootlin.com>
> ---
>   doc/develop/bootstd/overview.rst | 3 +++
>   1 file changed, 3 insertions(+)
> 
> diff --git a/doc/develop/bootstd/overview.rst b/doc/develop/bootstd/overview.rst
> index 6cf3b48efca..d3dba2a3405 100644
> --- a/doc/develop/bootstd/overview.rst
> +++ b/doc/develop/bootstd/overview.rst
> @@ -261,6 +261,9 @@ fdt_addr_r
>   fdtoverlay_addr_r (needed if overlays are used)
>       Address at which to load the overlay for the FDT, e.g. 0x02000000
>   
> +extension_overlay_addr (needed if extension is used)
> +    Address at which to load the extension FDT overlays, e.g. 0x02000000

Requiring a predefined address instead of allocating memory via LMB is 
not a good design.

Reviewed-by: Heinrich Schuchardt <xypron.glpk at gmx.de>

> +
>   kernel_addr_r
>       Address at which to load the kernel, e.g. 0x02080000
>