From mboxrd@z Thu Jan  1 00:00:00 1970
From: Heiko Schocher <hs@denx.de>
Date: Thu, 30 Jun 2011 13:37:07 +0200
Subject: [U-Boot] U-boot SPL direct Linux boot
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References: <BANLkTiknCo2GZOGU1nU4m6DXq7t0bQZ2fQ@mail.gmail.com>
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To: u-boot@lists.denx.de

Hello Simon,

Simon Schwarz wrote:
> for my bachelor thesis I will implement a direct Linux boot from U-Boot SPL.
> My current plan is to utilize do_bootm_[OS].
> 
> Simplest solution is to direct boot Linux/other OS and just boot
> u-boot when a key is pressed. In addition i will also have some tests
> (header check/CRC) - if they fail start u-boot.
> 
> IMHO this may also be of interest for the new SPL architecture.
> 
> Are there already implementations I am not aware of? Any comments on
> what I should also add? Problems I may not see?

I tried this on an davinci dm368 based board (not in mainline yet,
but patches for the board support coming soon), with the following
patch: