{
    model = "Microchip SAM9X60-EK";
    compatible = "microchip,sam9x60ek",
                 "microchip,sam9x60", "atmel,at91sam9";
. . .
. . .

chosen {
    bootargs="root=/dev/mmcblk0p2 rw rootwait loglevel=0";
    stdout-path = "serial0:115200n8"; 
};