From: David Woodhouse <dwmw2@infradead.org>
To: franck.fleter@netbricks.com
Cc: linux-mtd@lists.infradead.org
Subject: Re: Boot from NAND flash ???
Date: Mon, 13 May 2002 10:29:36 +0100 [thread overview]
Message-ID: <16389.1021282176@redhat.com> (raw)
In-Reply-To: <3CDF6922.9A0A870F@netbricks.com>
franck.fleter@netbricks.com said:
> I read in mails archive that Linux kernel can't boot from NAND flash.
> It can boot from NOR flash. Does Linux kernel not able to boot from
> NAND flash because :
> 1) a NAND flash is connected to an I/O controller and not to a BUS.
That's the one. You cannot just put a NAND flash chip at the CPU's startup
vector and let it boot from it. You need _something_ for the CPU to start
with, be that SROM, a tiny NOR flash or ROM, or something else. All you
need is a few bytes to set up your DRAM and start pulling the real
bootloader off the NAND flash.
--
dwmw2
next prev parent reply other threads:[~2002-05-13 9:29 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-05-13 7:20 Boot from NAND flash ??? franck.fleter
2002-05-13 9:29 ` David Woodhouse [this message]
2002-05-13 10:11 ` Charles Manning
2002-05-13 11:18 ` Thomas Gleixner
2002-05-14 7:37 ` Charles Manning
2002-06-16 5:58 ` Der Herr Hofrat
2002-06-16 8:18 ` Charles Manning
2002-05-13 12:05 ` David Woodhouse
2002-05-15 9:14 ` Charles Manning
2002-05-15 9:21 ` David Woodhouse
-- strict thread matches above, loose matches on Subject: below --
2002-05-13 16:47 Vadim Khmelnitsky
2000-01-12 11:50 ` Thomas Gleixner
2002-05-20 8:17 ` Charles Manning
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