[all] boot_delay=1 kernel=rpi3-u-boot.bin # Put the RPi3 into 64 bit mode arm_control=0x200 # New option to allow the firmware to load upstream dtb # Will allow things like camera, touchscreen etc to work OOTB upstream_kernel=1 # Without this sdram runs at 400mhz, instead of 450 # https://github.com/Hexxeh/rpi-firmware/issues/172 audio_pwm_mode=0 # Enable UART # Only enable UART if you're going to use it as it has speed implications # Serial console is ttyS0 on RPi3 and ttyAMA0 on all other variants # u-boot will auto detect serial and pass corrent options to kernel if enabled # Details here on speed https://www.raspberrypi.org/forums/viewtopic.php?f=28&t=141195 # enable_uart=1 # This isn't used by mainline VC4 driver so reduce to lowest supported value gpu_mem=16 # Allow OS rather than firmware control CEC mask_gpu_interrupt1=0x100 # Other options you can adjust for all Raspberry Pi Revisions # https://www.raspberrypi.org/documentation/configuration/config-txt/README.md # All options documented at http://elinux.org/RPiconfig # for more options see http://elinux.org/RPi_config.txt