[U-Boot] Uboot

I'm trying to upgrade a mk802II armv7 a10 to debian 8.1 but I'm having difficulity upgrading the kernel. I believe the kernel is compiling correctly but maybe it's the uboot that's incorrect. I realize that these boards have little to no support but I still enjoy working with them. Is there any information or solution that can help suceed in upgrading the kernel and uboot ? Respectfully, Antonio

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