[U-Boot] [PATCH 00/17]: ARM: SPL: Make more generic, merge DaVinci and OMAP

Stefano Babic sbabic at denx.de
Thu Aug 16 09:32:36 CEST 2012


On 15/08/2012 23:30, Tom Rini wrote:
> Hey all,
> 

Hi Tom,

> The following patch series merges the davinci and omap-common SPL
> frameworks into a single framework, CONFIG_SPL_FRAMEWORK along with a
> few small cleanups to the code to make it a little smaller and more
> flexible.  The end result is that davinci can now opt in on
> SPL-boots-Linux by just setting the right defines and other platforms
> would just need to adapt to this framework.  In my testing, davinci
> gains between 300 and 700 bytes for this (not enabling the SPL OS
> feature) and omap4/5/etc lose just a little bit (from the printf->puts
> changes).  I've tested this on omap3_beagle (xM and classic) and
> omap4_panda.  I don't have any davinci platforms that were previously
> using SPL so I can't boot-test those changes but since everyone sets
> CONFIG_SPL_MAX_SIZE, we're OK in that department.
> 
> To make this series easier to test I've placed it on
> http://github.com/trini/u-boot WIP/spl-improvements
> 
> I've looked a little into re-reducing the size and the biggest problem I
> see is that SPI a lot of informational prints that we don't need,
> strictly speaking, but are nice in a normal U-Boot context.  I'm unsure
> of the best way to quiet these as I don't like the idea of sprinkling
> #ifndef CONFIG_SPL_BUILD in random places.
> 

Oh, I was working on the same concept to make SPL available for other
SOCs. I can get through your patches, we get surely the same conflict
between architecture.

Stefano


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