arm_64bit=1 enable_uart=1 enable_gic=1 armstub=RPI_EFI.fd disable_commandline_tags=2 device_tree_address=0x1f0000 device_tree_end=0x200000 # Please note that this is only a sample, we recommend you to change it to fit # your needs. # You should override this file using a post-build script. # See http://buildroot.org/manual.html#rootfs-custom # and http://elinux.org/RPiconfig for a description of config.txt syntax # We always use the same names, the real used variant is selected by # BR2_PACKAGE_RPI_FIRMWARE_{DEFAULT,X,CD} choice start_file=start4x.elf fixup_file=fixup4x.dat #kernel=Image # To use an external initramfs file # initramfs rootfs.cpio.gz # Disable overscan assuming the display supports displaying the full resolution # If the text shown on the screen disappears off the edge, comment this out disable_overscan=1 # Automatically load overlays for detected DSI displays display_auto_detect=1 # Enable DRM VC4 V3D driver and setup the mode dtoverlay=vc4-fkms-v3d # dtoverlay=vc4-kms-v3d-pi4 # hdmi_drive=2 # hdmi_group=2 # hdmi_mode=14 max_framebuffers=2 # uncomment if you get no picture on HDMI for a default "safe" mode # hdmi_safe=1 # How much memory in MB to assign to the GPU on Pi models having # 256, 512 or 1024 MB total memory gpu_mem=256 gpu_mem_256=128 gpu_mem_512=128 gpu_mem_1024=128 # fixes rpi (3B, 3B+, 3A+, 4B and Zero W) ttyAMA0 serial console dtoverlay=miniuart-bt # enable autoprobing of Bluetooth driver without need of hciattach/btattach dtparam=krnbt=on # Enable the onboard soundcard dtparam=audio=on # Enable the hardware random generator dtparam=random=on # Enable camera driver # dtoverlay=imx219 # dtoverlay=ov5647 # camera_auto_detect=1 # Disable rainbow color splash disable_splash=1 # Enable some optional hardware interfaces dtparam=i2c_arm=on dtparam=i2c_arm_baudrate=100000 dtoverlay=i2s-mmap dtparam=i2s=on dtparam=spi=on # Enable boost from 1.5Ghz to 1.8Ghz on compatible models arm_boost=1 # enable 64bits support #arm_64bit=1