Building & Flashing U-Boot for TX48 =================================== Building U-Boot =============== Unpacking the source -------------------- mkdir u-boot cd u-boot tar -xjf /cdrom/U-Boot/u-boot-src.tar.bz2 Compiling U-Boot ---------------- export ARCH=arm export CROSS_COMPILE=arm-cortexa8-linux-gnueabi- make tx48-dt_config make Flashing U-Boot Image --------------------- If you want to replace a working U-Boot with a new version, you can load the new U-Boot image via TFTP and program it like any other flash partition with: nand erase.part u-boot;nand write ${fileaddr} u-boot ${filesize} If you want to revive a bricked module, U-Boot can be downloaded via xmodem protocol over the serial port in recovery boot mode (Jumper ST3 on Starterkit-5 baseboard closed).