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 <[email protected]> [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
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