This is almost exactly what we want to do, we just want to be able to hold a 
key down during the boot and switch it to a recovery settings with a different 
kernel/rfs, would this be supported as well?

-----Original Message-----
From: Alexandre Belloni [mailto:alexandre.bell...@piout.net] 
Sent: Monday, February 18, 2013 4:37 PM
To: Chaves, Kevin
Cc: Dirk Behme; u-boot@lists.denx.de
Subject: Re: [U-Boot] imx6, spl and falcon boot

Hi,

On Mon, Feb 18, 2013 at 11:44:36AM -0700, Chaves, Kevin wrote :
> Ok is there documentation anywhere that can show the requirements for 
> supporting SPL if I'd like to be able to implement it, same with falcon mode? 
> I've already got support for nitrogen6x through another vendor but they won't 
> support the spl.
> 
> I'm taking a look at board/woodburn/woodburn.c to see what was done for 
> another board that supports SPL. It just looks like void board_init_f(ulong 
> dummy) needs to be implemented for the SPL. 
> 
> Someone recommend I look at another set of patch notes that have 
> better docs, but I see it mostly has the falcon mode in it. 
> http://thread.gmane.org/gmane.comp.boot-loaders.u-boot/146987/focus=14
> 7040
> 

i.Mx6 doen't really require an SPL as the romcode is already able to do quite a 
lot. If what your are looking for is booting directly your kernel, you can have 
a look at that "bootloader" (it is actually much less than that):

https://github.com/alexandrebelloni/whoosh

It supports sabrelite and sabresd, it should be quite fast to port to 
nitrogen6x. I can do it but I don't have access to the hardware...yet.

Regards,

--
Alexandre Belloni
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