Building & Flashing U-Boot for TX28 =================================== 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-926ejs-linux-gnueabi- make tx28_config make Flashing U-Boot Image --------------------- Load the U-Boot image with sbloader (either the Windows version or the Linux version) and use the builtin 'romupdate' command to program the image into the flash. Put the u-boot.sb file in the TFTP server data directory (usually /tftpboot). Load the U-Boot image: Enter the following commands at the U-Boot prompt set autostart no set autoload yes set bootfile u-boot.sb bootp romupdate Power down the module, make sure the BOOT_MODE jumper (ST3) is removed and re-apply power to start from flash.