Linux w/o UBoot from Linear Flash

Grant Likely grant.likely at
Sun Jun 8 13:38:29 EST 2008

On Sat, Jun 7, 2008 at 4:29 PM, Sam Karp <sam.d.karp at> wrote:
> I currently have a linux ramdisk image (zImage.initrd.elf) stored in
> linear flash.  I also have a bit file with the xilinx EDK generated
> bootloader in platform flash on an ML403.   Is it neccessary to have
> uboot with the linux kernel to be able to boot automatically or can i
> simply alter the xilinx bootloader (if needed at all? )

U-Boot in not necessary.  You can modify the xilinx bootloader to load
an elf file into ram and jump into it.  When you migrate to using
arch/powerpc, you can use the simpleImage target which can be loaded
anywhere into ram before jumping to it.


Grant Likely, B.Sc., P.Eng.
Secret Lab Technologies Ltd.

More information about the Linuxppc-embedded mailing list