U-Boot is a bootloader, which supports some i.MX SoCs.
LTIB Creating Uimage Uboot
U-boot FW Printenv FW Env File
Add New i.MX5x Board on LTIB
I.MX25 PDK U-boot SplashScreen
I.MX25 PDK U-boot SDCard
Compiling U-Boot for i.MX27ADS
I.MX31ADS Installing Uboot
Blink i.MX31 PDK LEDs Using U-Boot
i.MX51 EVK U-boot
i.MX51 EVK Compiling U-boot
i.MX51 EVK Changing Env
I.MX51EVK Install U-Boot
i.MX53 USB Eth NFS
i.MX53 ARD Dual LVDS
i.MX53 QSB Board Get Started
Script to Flash a Linux System into a SD card
All Boards U-boot
All Boards LTIB Creating Uimage Uboot
Configuring U-Boot
Running a Script in U-boot
Transferring File Over Serial
Transferring file over network
U-boot.bin