[U-Boot-Users] USB-storage or NAND-flash on AMCC 440ep (bamboo)

Stefan Roese
2005-10-14T09:47:18Z

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