[PATCH v5 00/34] Initial implementation of standard boot

[Tom Rini]

On Sun, Apr 24, 2022 at 11:30:53PM -0600, Simon Glass wrote:

> The bootflow feature provide a built-in way for U-Boot to automatically
> boot an Operating System without custom scripting and other customisation.
> This is called 'standard boot' since it provides a standard way for
> U-Boot to boot a distro, without scripting.
> 
> It introduces the following concepts:
> 
>    - bootdev - a device which can hold a distro
>    - bootmeth - a method to scan a bootdev to find bootflows (owned by
>                 U-Boot)
>    - bootflow - a description of how to boot (owned by the distro)
> 
> This series provides an implementation of these, enabled to scan for
> bootflows from MMC, USB and Ethernet. It supports the existing distro
> boot as well as the EFI loader flow (bootefi/bootmgr). It works
> similiarly to the existing script-based approach, but is native to
> U-Boot.

I've put most of this cover letter in the merge commit, and applied this
to u-boot/master.  This is an incremental starting point at providing a
alternative way of constructing and controlling the load and execute OS
stage of booting.  There is some growth on most platforms for this, but
it is a reasonable alternative and will be iterated on.

-- 
Tom
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