any I2C devices connected? any jumpers on the development board set for I2C (there are those two CAMERA1/CAMERA2 connectors running via i2c)
try to update latest U-Boot 1.5.2.1 binary:
https://na14.salesforce.com/sfc/p/d0000000eJxP/a/d00000000QaV/76JY3vjZmec_AWRMcT4vYH.1ivJrcBhykYVhPf6XPbY=