In message <44A1E115.000001.12247 at bj163app13.163.com> you wrote: > > I failed to compile the uboot on my 440GP platform, I set the compile > switch as "-m440 -mcpu=440",
Don't do this, then. The ELDK will automatically set approproate compiler options as needed, depending on your setting of the CROSS_COMPILE variable. All this is documented in the manual. Just follow the instructions. Best regards, Wolfgang Denk -- Software Engineering: Embedded and Realtime Systems, Embedded Linux Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de Half of the people in the world are below average.