From: Juergen Beisert <jbe@pengutronix.de>
To: barebox@lists.infradead.org
Subject: Re: [PATCH 2/2] mini2440: Consider correct NAND page size for boot.
Date: Wed, 23 Feb 2011 08:26:59 +0100 [thread overview]
Message-ID: <201102230826.59603.jbe@pengutronix.de> (raw)
In-Reply-To: <Pine.LNX.4.31.1102231440230.20973-100000@susu.bendor.com.au>
zoltan@bendor.com.au wrote:
> On Tue, 22 Feb 2011, Juergen Beisert wrote:
> > From: Juergen Beisert <juergen@kreuzholzen.de>
> >
> > When booting from NAND, its important to know the correct page size.
>
> Isn't that info available as soon as SteppingStone sucked in the first 4K
> into the internal SRAM?
>
> As far as I can follow the s3c2440 manual, bit 0 and the read-only bits 1
> to 3 of the NFCONF register convey that information and these bits are set
> by sampling a few GPIO (NCON and GPG13-GPG15) pins at reset. Supposedly
> these pins are pulled up/low during reset so that SteppingStone itself can
> read the boot code from the NAND.
>
> What am I missing?
Hmm, good idea. I will try it. Thanks for the hint.
jbe
--
Pengutronix e.K. | Juergen Beisert |
Linux Solutions for Science and Industry | Phone: +49-8766-939 228 |
Vertretung Sued/Muenchen, Germany | Fax: +49-5121-206917-5555 |
Amtsgericht Hildesheim, HRA 2686 | http://www.pengutronix.de/ |
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next prev parent reply other threads:[~2011-02-23 7:29 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-22 21:20 [RFC] Add more changes to make the mini2440 work Juergen Beisert
2011-02-22 21:20 ` [PATCH 1/2] mini2440: Add more info about possible SDRAM and flash devices Juergen Beisert
2011-02-22 21:20 ` [PATCH 2/2] mini2440: Consider correct NAND page size for boot Juergen Beisert
2011-02-23 4:00 ` zoltan
2011-02-23 7:26 ` Juergen Beisert [this message]
2011-02-23 15:20 ` Juergen Beisert
2011-02-23 22:08 ` Juergen Beisert
2011-02-24 8:47 ` Zoltán Kócsi
2011-02-24 21:10 [PATCH] S3C24xx: NAND management changes to support booting from NAND Juergen Beisert
2011-02-24 21:10 ` [PATCH 2/2] mini2440: Consider correct NAND page size for boot Juergen Beisert
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