[U-Boot] [PATCH v7 0/29] ARM: SPL: Make more generic, merge DaVinci and OMAP

Tom Rini trini at ti.com
Thu Sep 27 22:04:32 CEST 2012


On Mon, Sep 24, 2012 at 05:30:38PM -0700, Tom Rini wrote:

> Hey all,
> 
> 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
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54303 and I'm sending
> another email to discuss that.
> 
> v6 is tested on:
> - AM335x EVM, Beaglebone, Beagleboard rev C (NAND and MMC), Beagleboard
>   xM, OMAP3EVM (MMC) Devkit8000 (MMC + SPL OS goto U-Boot instead, no
>   kernel so no SPL Linux test), Pandaboard, Pandaboard ES, LogicPD
>   AM1808 EVM
> 
> v7 is tested on:
> - Beaglebone, Beagleboard rev C (NAND and MMC), Beagleboard xM.
> 
> I did more limited testing this time due to the scope of the changes.
> 
> 'reset' and cold power-on tested in various combinations.

With the one change I have mentioned already, I have now pushed this.  I
figure going this direcion will hopefully make the merging for Albert
and others simpiler.

-- 
Tom
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