[yocto] Using uboot to boot a large uimage

Crast, Nicholas Nicholas.Crast at saabsensis.com
Tue Aug 26 11:41:22 PDT 2014


I am currently attempting to boot with an initramfs built into my uimage using uboot. 

However, I cannot get it to boot correctly. If I make the uimage totally bare-bones, and just use core-image-minimal-initramfs, then it hangs huring init at the waiting for devices... printout. Going and gutting the init script, I can get to single user mode and it looks like the filesystem is there.

I want a more full system, so I included core-image-boot and core-image-basic. I figured this would initialize better. When I do this, my uImage jumps up to ~50MB. U-boot then hangs at "starting kernel..."

I don't think that the uimage is clobbering the device tree, because the device tree is loaded at 0x100, and the uimage is loaded at 0x8000. 

Any ideas?

----------------------------------------
Nick Crast
Associate Software Engineer
Saab Sensis Corporation
Phone: 315-445-5703
Email: Nicholas.Crast at saabsensis.com

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