Dtb — Firmware

chosen { bootargs = "console=ttyS0,115200 root=/dev/mmcblk0p2 rw rootwait"; stdout-path = &uart0; };

/dts-v1/; / { model = "MyCustomBoard v1.0"; compatible = "mycompany,myboard"; #address-cells = <1>; #size-cells = <1>; dtb firmware

soc { compatible = "simple-bus"; #address-cells = <1>; #size-cells = <1>; ranges; chosen { bootargs = "console=ttyS0