Bulid Bootloader

Enter U-boot directory, and uzip the source:

    $ cd <WORKDIR>/Bootloader
    $ tar -jxvf u-boot.tar.bz2
    $ cd u-boot

Start make:

    $ make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- distclean 
    $ make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- \
    myd_am335x_lcd4.3_config
    $ make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf-

After build is completed, The file MLO and u-boot.img will find on the root of u-boot.Note that, the ”myd_am335x_lcd4.3_256ddr_config” in the second “make” Means 4.3 inch LCD Touchscreen are set into U-boot’s parameters, and chosed the 256MB DDR . Support options shown in the following table:

Table 3-1

Note: If the LCD type is MY-TFT070-K, it can be recognized automatically and you can choose any one of the above configuration option when building u-boot.