U-Boot

button_cmd_0_name=Volume Down
button_cmd_0=bootmenu
button_cmd_1_name=Hall Sensor
button_cmd_1=poweroff

fastboot_partition_alias_boot=CAC
fastboot_partition_alias_root=UDA

bootmenu_0=mount internal storage=usb start && ums 0 mmc 0:c; bootmenu
bootmenu_1=mount external storage=usb start && ums 0 mmc 1; bootmenu
bootmenu_2=fastboot=echo Starting Fastboot protocol ...; fastboot usb 0; bootmenu
bootmenu_3=reboot RCM=enterrcm
bootmenu_4=reboot=reset
bootmenu_5=power off=poweroff
bootmenu_delay=-1