From: Wolfgang Denk <wd@denx.de>
To: Vineeth _ <blacklites@gmail.com>
Cc: Johnny Hung <johnny.hacking@gmail.com>, linuxppc-dev@lists.ozlabs.org
Subject: Re: linux booting fails on ppc440x5 with SRAM
Date: Fri, 09 Oct 2009 13:33:38 +0200 [thread overview]
Message-ID: <20091009113338.2B7E3E84EBC@gemini.denx.de> (raw)
In-Reply-To: <a9b543570910090320t1444f8f1qf4c8ab7dbbef679f@mail.gmail.com>
Dear Vineeth _,
In message <a9b543570910090320t1444f8f1qf4c8ab7dbbef679f@mail.gmail.com> you wrote:
> We ported the uboot Memory test and tested the 15MB ram and it was
> successful.interestingly we have only 16MB SRAM in our board.We used 1
Such a memory test means nothing. The only thing you can learn from it
is that basic read and write accesses are working. You don;t get any
information about the behaviour for burst mode accesses from such a
test. See the FAQ at
http://www.denx.de/wiki/view/DULG/LinuxCrashesRandomly and at
http://www.denx.de/wiki/DULG/UBootCrashAfterRelocation
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@denx.de
I mean, I . . . think to understand you, I just don't know what you
are saying ... - Terry Pratchett, _Soul Music_
next prev parent reply other threads:[~2009-10-09 11:42 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-23 14:49 linux booting fails on ppc440x5 with SRAM Vineeth _
2009-09-23 21:40 ` Benjamin Herrenschmidt
2009-10-02 17:17 ` Johnny Hung
2009-10-09 10:20 ` Vineeth _
2009-10-09 11:33 ` Wolfgang Denk [this message]
2009-10-12 13:34 ` Vineeth _
2009-10-15 6:01 ` Vineeth _
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