[U-Boot] [PATCH 1/6] arm: socfpga: cyclone5-socdk: Enabling mtd partitioning layout

Chin Liang See
2015-12-13T00:49:06Z

On Sun, 2015-12-13 at 01:01 +0100, Marek Vasut wrote:
> On Sunday, December 13, 2015 at 12:59:48 AM, Chin Liang See wrote:
> > On Sat, 2015-12-12 at 16:36 +0100, Marek Vasut wrote:
> > > On Saturday, December 12, 2015 at 07:30:46 AM, Chin Liang See
> > > wrote:
> > [...]
> >
> > > > > Can you share the final layout before you roll out patches ?
> > > >
> > > > Sure, plan to do so but need to away from desk just now.
> > > >
> > > > Here is the old layout
> > > > 256k(spl)
> > > > 64k(env)
> > > > 64k(dtb)
> > > > 256k(boot)
> > > > 16m(kernel)
> > > > 16m(rootfs)
> > > >
> > > > The new one would like this
> > > > 256k(spl)
> > >
> > > I'd say you should just call this u-boot, see above for the
> > > rationale.
> > >
> > > > 256k(env)
> > > > 15872k(boot)
> > > > 16m(rootfs)
> > > >
> > > > The boot partition can be used as ubi part or raw partition.
> > > > It contains the linux dtb, u-boot and linux images.
> > >
> > > Is that an UBIFS partition ? If so, why don't you just use two
> > > UBI
> > > volumes ?
> >
> > For backward compatibility, it can be raw if user want to stick
> > with
> > old way.
>
> If you're breaking the partitioning layout anyway, you don't have to
> care about the "old way", right ?

Actually this partition can be used as raw partition if user don't want
to store zimage and dtb as raw binary. But the rootfs partition still
can be presented to Linux as ubifs.

Thanks
Chin Liang

>
> Best regards,
> Marek Vasut