config

arm_64bit=1
enable_uart=1
uart_2ndstage=1
enable_gic=1
armstub=RPI_EFI.fd
disable_commandline_tags=1
device_tree_address=0x1f0000
device_tree_end=0x200000
device_tree=bcm2711-rpi-4-b.dtb
dtoverlay=miniuart-bt