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From: Charles Manning <manningc2@actrix.gen.nz>
To: u-boot@lists.denx.de
Subject: [U-Boot] Porting YAFFS2 to U-boot
Date: Fri, 3 Feb 2012 11:19:57 +1300	[thread overview]
Message-ID: <201202031119.57323.manningc2@actrix.gen.nz> (raw)
In-Reply-To: <FD2DBC0E1365154BB0E3E348680BA0E902A1BE75@nzc-ap-xch-03.ap.trimblecorp.net>

Bud

Last time I looked, the yaffs code in u-boot is pretty old and I would 
recommend refreshing it.

-- Charles


On Friday 03 February 2012 10:40:45 Bud Miljkovic wrote:
> I am newbie in this.  Anybody done it?
>
> Any lead is appreciated.
>
> Cheers,
> Bud Miljkovic
>
> -----Original Message-----
> From: Marek Vasut [mailto:marek.vasut at gmail.com]
> Sent: Wednesday, 1 February 2012 11:58 p.m.
> To: Wolfgang Denk
> Cc: u-boot at lists.denx.de; Bud Miljkovic
> Subject: Re: [U-Boot] Can u-Boot Ran from RAM?
>
> > Dear Marek Vasut,
> >
> > In message <201202011111.09465.marek.vasut@gmail.com> you wrote:
> > > > On Monday 30 January 2012 23:07:05 Bud Miljkovic wrote:
> > > > > While getting acquainted with possible u-Boot development
>
> issues, I
>
> > > > > read FAQ "14.2.1.  Can U-Boot be configured such that it can be
> > > > > started in RAM?" and was puzzled to learn that u-Boot cannot run
> > > > > from RAM.
> > > >
> > > > you misread it.  the question is for people who have loaded
>
> u-boot, and
>
> > > > then want to load another copy of u-boot into ram and then execute
>
> that
>
> > > > directly.
> > > >
> > > > so the question is "can u-boot be *started in ram*" and the answer
>
> is
>
> > > > "no".
> > >
> > > The answer is "yes if you know how to do it" ;-)
> >
> > The answer is "NO".  You cannot load the _normal_ U-Boot image to RAM
> > and start it.  You must prepare a _special_ image which omits all the
> > initializations that are normally included.
>
> You can on PXA ;-)
>
> > This FAQ addresses the situation where people want to load and run
> > their _normal_ images before burning these to flash.  And this CANNOT
> > be done like that.
>
> You're certainly right this is true for general case, but there are
> special
> cases where you can load u-boot from u-boot without any harm (PXA is the
>
> example).
>
> > Best regards,
> >
> > Wolfgang Denk
>
> _______________________________________________
> U-Boot mailing list
> U-Boot at lists.denx.de
> http://lists.denx.de/mailman/listinfo/u-boot

  parent reply	other threads:[~2012-02-02 22:19 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-01-31  4:07 [U-Boot] Can u-Boot Ran from RAM? Bud Miljkovic
2012-01-31 14:12 ` Eric Nelson
2012-02-01 10:12   ` Marek Vasut
2012-02-01 10:27     ` Wolfgang Denk
2012-01-31 15:15 ` Mike Frysinger
2012-02-01 10:11   ` Marek Vasut
2012-02-01 10:26     ` Wolfgang Denk
2012-02-01 10:58       ` Marek Vasut
2012-02-02 21:40         ` [U-Boot] Porting YAFFS2 to U-boot Bud Miljkovic
2012-02-02 22:14           ` Mike Frysinger
2012-02-02 22:19           ` Charles Manning [this message]
2012-02-03  3:34             ` Peter Barada
2012-02-03  5:26             ` Wolfgang Denk
2012-02-06 22:37         ` [U-Boot] Can u-Boot Ran from RAM? Bud Miljkovic
2012-02-01  2:11 ` Charles Manning

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