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From: Wolfgang Denk <wd@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] Bottleneck of NAND copy speed
Date: Mon, 12 Sep 2011 13:43:11 +0200	[thread overview]
Message-ID: <20110912114311.D98BF140876C@gemini.denx.de> (raw)
In-Reply-To: <4E6DEB26.4020409@gmail.com>

Dear Simon Schwarz,

In message <4E6DEB26.4020409@gmail.com> you wrote:
> 
> ATM I'm working on a DMA transfer from NAND to RAM of the Linux-image in
> my SPL.
...
> Does anyone has an idea where the bottleneck could be? Is my calculation 
> wrong?

Caches still turned off?

Best regards,

Wolfgang Denk

-- 
DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
"Anyone attempting to generate random numbers by deterministic  means
is, of course, living in a state of sin."          - John Von Neumann

  reply	other threads:[~2011-09-12 11:43 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-09-12 11:21 [U-Boot] Bottleneck of NAND copy speed Simon Schwarz
2011-09-12 11:43 ` Wolfgang Denk [this message]
2011-09-13 13:13   ` Simon Schwarz
2011-09-12 12:55 ` Nick Thompson
2011-09-13 13:18   ` Simon Schwarz
2011-09-13 19:53 ` Scott Wood

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