Hello >>>> Magnus Lilja <lilja.mag...@gmail.com> 08.07.09 17.42 Uhr >>> > Hi > > You should define CONFIG_SKIP_LOWLEVEL_INIT since redboot has already > setup the SDRAM. If you load U-boot to the address it's set up to > execute from you should also define CONFIG_SKIP_RELOCATE_UBOOT.
> It's been a long while since I used redboot to start u-boot (on the > i.MX31 PDK) so I don't remember the correct redboot command but make > sure the MMU is off when jumping to U-Boot. > Regards, Magnus I made the defines you mentioned above and build the image with make mx31guf_config (it's quite similar to the PDK board). Then I loaded the resulting u-boot.bin to 0x81000000 and tried to "run 0x81000000". The "run" command is with caches and MMU tured off. I get absolutely no output on the console and I have to reset the board. What could be the problem? How can I debug this? Thanks a lot for your help. Best Regards Ulrich Gerster _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot