From: Michael Lawnick <nospam_lawnick@gmx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] Generic CFI flash driver is not so generic?
Date: Wed, 26 Nov 2008 16:10:21 +0100 [thread overview]
Message-ID: <ggjost$tjp$1@ger.gmane.org> (raw)
In-Reply-To: <1227702207.15327.86.camel@hades.legend.co.kr>
Choe, Hyun-ho said the following:
> My second workaround is strange, too.
> In ARM code, mapping physical address to logical is actually does
> nothing, except re-calculating pointer with sector no. and offset.
> It just eating several processor cycles.
I actually have no ARM experience, but when you talk about 'mapping' the
word 'cache' is coming to my mind. Any chance that you have not disabled
caching for flash access address space?
--
Michael Lawnick
Software Design Engineer
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89081 Ulm
Tel: +49 731 9533 2066
Michael.Lawnick.ext at nsn.com
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Think before you print
next prev parent reply other threads:[~2008-11-26 15:10 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-26 5:51 [U-Boot] Generic CFI flash driver is not so generic? Choe, Hyun-ho
2008-11-26 9:58 ` Wolfgang Denk
2008-11-26 12:23 ` Choe, Hyun-ho
2008-11-26 15:10 ` Michael Lawnick [this message]
2008-11-26 15:33 ` Choe, Hyun-ho
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