On Monday 21 April 2008, 甜瓜 wrote: > Yep! The ppcboot is very ancient. hehe. > Actually, my board is DHT-walnut: http://elinux.org/DHT-Walnut_U_Boot
So, it's no "real" Walnut. Then the official Walnut U-Boot will probably not work for your board. > The web provides a pre-compiled bin uboot 1.1.4 for my board. The size is > 256KB. 4xx U-Boot images need to get loaded at the "end" of flash. So a 256k image need to get loaded at 0xfffc0000. > I downloaded it, and burn this bin into flash. But the board is still not > work. > Well, you point out a very important thing that 4xx use 0xfffffffc as the > reset vector. > My flash is 512KB larger, therefore the bin only fills the first 256KB of > the flash. > The reset vector is not set correct. Am I correct? It seem that it depends > on how CPU > maps flash contents into address space. And how to set it? I don't know > how to determine the real entry of a specific uboot-bin. :< As mentioned above, you have to program a 256k image to 0xfffc0000. Best regards, Stefan ===================================================================== DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: +49-8142-66989-0 Fax: +49-8142-66989-80 Email: [EMAIL PROTECTED] ===================================================================== ------------------------------------------------------------------------- This SF.net email is sponsored by the 2008 JavaOne(SM) Conference Don't miss this year's exciting event. There's still time to save $100. Use priority code J8TL2D2. http://ad.doubleclick.net/clk;198757673;13503038;p?http://java.sun.com/javaone _______________________________________________ U-Boot-Users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/u-boot-users
