[U-Boot] Enabling nand createbbt command

[Charles Manning]

On Wednesday 14 March 2012 17:00:58 Bud Miljkovic wrote:
> Charles
>
> That is interesting.  Any clue how to configure the start and end blocks
> manually?

Yes I do since I wrote yaffs :-).

Set the statrt_block and end_block (might be startBlock and endBlock) values 
as needed BEFORE the mount/init happens.

In a "normal" situation with mtd partitioning  these are set to 0 and 
n-blocks-in-partition -1, but they can be set manually too.

-- Charles



>
> Bud
>
> > -----Original Message-----
> > From: Charles Manning [mailto:manningc2 at actrix.gen.nz]
> > Sent: Monday, 12 March 2012 8:20 a.m.
> > To: Bud Miljkovic
> > Cc: u-boot at lists.denx.de
> > Subject: Re: [U-Boot] Enabling nand createbbt command
> >
> > Bud
> >
> > Yaffs can work without mtdpart. To do that you just need to configure
> > the
> > start and end blocks manually instead of using the partition info to
>
> do
>
> > this.
> >
> > On Friday 09 March 2012 13:58:48 Bud Miljkovic wrote:
> > > Thank you Scott and Fabio,
> > >
> > > You help is much appreciated.
> > >
> > > I will try to add the nand support for mx53 mainline.
> > >
> > > However, what I am trying to do is to build a u-boot that supports
> >
> > NAND
> >
> > > and have YAFFS2 as well and at moment I use the mx53_ard board since
> > > this is very close to what my custom board will be.  I was able to
> >
> > build
> >
> > > such a version, using Freescale u-boot sources, which included nand
> > > subsystem, and yaffs commands.  Then I needed to create partitions
>
> in
>
> > > the nand and this is where i "discovered" I needed the support of
> > > mtdparts command.
> > >
> > > So I, guess, I need to configure the u-boot for mtdparts support.
> >
> > This
> >
> > > is where I am at.
> > >
> > > -Bud
> > >
> > > > -----Original Message-----
> > > > From: Scott Wood
> > > > Sent: Friday, 9 March 2012 12:04 p.m.
> > > > To: Bud Miljkovic
> > > > Cc: Fabio Estevam;
> > > >
> > >  > Subject: Re: [U-Boot] Enabling nand createbbt command
> > > >
> > > > I do expect mainline is better maintained and supported, except
>
> for
>
> > > > missing particular features/hardware support that nobody ever
> >
> > bothered
> >
> > > > to submit to mainline -- which in this case appears to be hardware
> > > > that you care about, so unless you're prepared to do a fair bit of
> > > > work to add support to mainline, I'd try again to find a support
> > > > channel for your Freescale-provided U-Boot.  Or maybe we could
>
> help
>
> > > > you figure out what it is you want to do, instead of scrubbing, if
> >
> > the
> >
> > > > answer doesn't depend on details of a non-standard U-Boot.
> > > >
> > > > Oh, and if you're curious about my freescale.com e-mail address, I
> > > > work in a different part of the company and don't have i.MX
> >
> > knowledge
> >
> > > > or contacts.
> > > >
> > > > -Scott
> > >
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