[U-Boot-Users] support usb storage in u-boot for at91rm9200

[Marco Cavallini <arm.linux@koansoftware.com>]

> Your problem is that U-boot is linked to the wrong address (0).
> Instead it should be linked to the position, where you intend to run
> u-boot (in SDRAM)
> I know Wolfgang Denx diesnt like the idea of running U.boot from RAM,
> but you cannot run from an SPI flash, have to copy to RAM first,
> and the SDRAM on AT91RM9200 is located at 0x20000000 and above.
> 
> The prinout you see, is not from U.boot.
> It looks like a customized version of "dataflashboot.bin"
> It "bombs" after dataflashboot.bin has loaded u-boot into SDRAM
> and jumped to it starting point.
> 
> Since it is in the wrong locatgion, all the constant string pointers are
> off, and really only points at '\0' characters, so any attempt to
> printout data will fail.
> 
> 

If you are using Dataflash to store u-boot,
you can read this as well.
http://www.koansoftware.com/it/art.php?art=90
HTH

-- 
Marco Cavallini
Koan s.a.s. - Bergamo - ITALIA
Embedded and Real-Time Software Engineering
  - Atmel Third Party Consultant
Tel. +39-(0)35-255.235 - Fax +39-178-223.9748
www.KoanSoftware.com   |    www.KaeilOS.com