From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stefan Roese Date: Fri, 14 Oct 2005 11:47:18 +0200 Subject: [U-Boot-Users] USB-storage or NAND-flash on AMCC 440ep (bamboo) In-Reply-To: <518B77BB6246D54D9E88FC49AFB0389D2F1C22@seskoptronicmsx.optronic.local> References: <518B77BB6246D54D9E88FC49AFB0389D2F1C22@seskoptronicmsx.optronic.local> Message-ID: <200510141147.18495.sr@denx.de> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de 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