From: Stefan Roese <sr@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot-Users] USB-storage or NAND-flash on AMCC 440ep (bamboo)
Date: Fri, 14 Oct 2005 11:47:18 +0200 [thread overview]
Message-ID: <200510141147.18495.sr@denx.de> (raw)
In-Reply-To: <518B77BB6246D54D9E88FC49AFB0389D2F1C22@seskoptronicmsx.optronic.local>
Hi Andre,
On Friday 14 October 2005 11:36, Andr? Berggren wrote:
> Are there any known bugs for USB-storage on this CPU in u-boot?
Sorry, but I never tested it. The PPC440EP USB port was done by Embedded
Planet for the initial Yosemite port.
> We have a custom board based on bamboo and thinking on booting from USB
> instead of NAND because of the long initiation time for jffs2 on
> NAND-flash. At the moment JFFS2 initiation takes about 35s, and loading
> kernel, root-image and a fpga-image to ram take another 1m 40s.
Hmmm. Why don't you partition your NAND chip and use the RAW-NAND interface
(e.g. nand read...). This will bring you the fastest boot time.
Best regards,
Stefan
next prev parent reply other threads:[~2005-10-14 9:47 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-10-14 9:36 [U-Boot-Users] USB-storage or NAND-flash on AMCC 440ep (bamboo) André Berggren
2005-10-14 9:47 ` Stefan Roese [this message]
2005-10-14 13:23 ` Stefan Roese
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