[PATCH 1/1] doc: describe TPL/VPL/SPL boot

[Tom Rini]

On Wed, Aug 23, 2023 at 09:57:28PM +0200, Heinrich Schuchardt wrote:

> This is a stub describing how TPL, VPL, and SPL load the next boot stages
> on a detail level for users.
> 
> For sure we will need a few patches on top to catch the whole complexity.
> 
> Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt at canonical.com>
[snip]
> +Image load methods
> +------------------
> +
> +The image boot methods available for a board must be defined in two places:
> +
> +The board code implements a function board_boot_order() enumerating up to
> +six boot methods and the sequence in which they are tried. If there is only one
> +boot method function, spl_boot_device() may be implemented instead.
> +
> +The configuration controls which of these boot methods are actually available.

Maybe some words about how some of these methods are SoC / SoC family
specific while others are more high level and so more generally
available.

-- 
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/20230823/30d22561/attachment.sig>