[U-Boot] [PATCH v2 0/3] ARM: omap3: beagle, evm: synchronize common setup

Tom Rini trini at konsulko.com
Sat Feb 24 20:02:21 UTC 2018


On Sat, Feb 24, 2018 at 01:39:45PM -0600, Derald Woods wrote:
> On Sat, Feb 24, 2018 at 02:12:32PM -0500, Tom Rini wrote:
> > On Sat, Feb 24, 2018 at 09:29:02AM -0600, Derald D. Woods wrote:
> > > On Sat, Feb 24, 2018 at 09:35:43AM -0500, Tom Rini wrote:
> > > > On Sat, Feb 24, 2018 at 08:09:39AM -0600, Derald D. Woods wrote:
> > > >
> > > > > This short series is an attempt to make this set of boards use the same
> > > > > default configuration items where possible. This was prompted by an
> > > > > investigation into enabling SERIAL_SEARCH_ALL on omap3_evm. This feature
> > > > > now works for omap3_evm after this series.
> > > > >
> > > > > The series changes the default NAND layout of MTDPARTS_DEFAULT and
> > > > > uses ENV_IS_IN_FAT. More detail is provided with the patches. As most
> > > > > things are configurable now, this should not be an issue. I am trying
> > > > > to get simple defaults that just boot and expose the common core
> > > > > features. This will make future testing and maintenance a bit more
> > > > > predictable, as there will be a very similar comparable set of boards.
> > > >
> > > > I was thinking, wouldn't we want to update the beagle code now to do env
> > > > in NAND on beagleboard and env on FAT on xM?  We could provide a new
> > > > env_get_location() to return the right location based on board.  Thanks!
> > > >
> > >
> > > I thought of that too. xM can never use NAND. So FAT is always right for
> > > it. Regular BeagleBoard(3530) can have the environment in either location.
> > > Configuration can simply handle the user preference. I did not see a
> > > reason to add any more logic into an already heavy board file. The Overo
> > > boards are equally heavy with board type logic. For now, my thinking
> > > was to allow configuration do the work.
> >
> > OK, but on the other hand, xM must have an SD card inserted and vanilla
> > does not require an SD card.  So now those users need to put in an SD
> > card.  Now, I honestly don't know how big a deal that is really, so I
> > won't nak the patches.  But I do think it would be the best user
> > experience to have classic continue to work as-is and xM to finally get
> > functional env.
> >
> 
> I will try to add the 'env_get_location'. So let's hold until I can push a
> 'v3' of the series.
> 
> The possible env locations:
> 
> ENVL_FAT
> ENVL_MMC
> ENVL_NAND
> ENVL_UBI
> 
> If those make sense, 'env_get_location' priority will select one of them.

Sounds good, thanks!

-- 
Tom
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