Recently tried the latest standard release of u-boot from ftp://ftp.denx.de/pub/u-boot/ , and it now works OK with the SDCard in the Odroid U3.    You still have to incorporate the ‘special’ secure-boot binaries and shell script from the hardkernel version ( in directory sd_fuse) from https://github.com/hardkernel/u-boot/tree/odroid-v2010.12 and change the reference to u-boot.bin to u-boot-dtb.bin in sd_fusing.sh. U-Boot 2015.10-rc3 … Continue reading →