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SubjectRe: [PATCH] ARM: dts: omap3-evm: Fix missing NAND partition information
On Tue, Dec 12, 2017 at 06:50:54PM +0100, Ladislav Michl wrote:
> On Tue, Dec 12, 2017 at 08:55:42AM -0800, Tony Lindgren wrote:
> > * Derald D. Woods <woods.technical@gmail.com> [171212 16:34]:
> > > I am testing using an appended device-tree. This has been the most
> > > reliable method for the OMAP34XX boards that I have. If you have an
> > > example config, with working command line MTDPARTS, for beagleboard(Rev.
> > > C4), Overo TOBI, or similiar OMAP34XX, I will gladly use it. Also note
> > > that other OMAP34XX boards currently provide a default partition
> > > layout. Is that bad practice for all of those as well? I am open to
> > > exploring the method that actually works.
> >
> > I think we came to the conclusion at some point that it's best to rely
> > on u-boot passed partitions because with later u-boot versions the
> > size was increased for the bootloader partition.
> >
> > Ideally of course we would read the partition information from the
> > MTD device somewhere..
>
> Already done and called UBI :)

I am aware of all of these things. From an architectural standpoint I
agree with everything that has been said. But has anyone checked booting
lately? I helped fix an issue in U-Boot, a few months ago, where
OMAP34XX boards could not boot for one and half releases. Structural
changes were introduced, but booting was not verified on older OMAP3
boards. I will build with clean configs, for both U-Boot and Linux, and
report my findings on this thread. I recently took over maintaining the
OMAP3-EVM in U-Boot. This is why I am pursuing this effort. I am just
looking for the consistent and bootable method going forward. It will be
later tonight before I can verify builds.

- Derald

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