# Options you can adjust for all Raspberry Pi Revisions
# https://www.raspberrypi.com/documentation/computers/config_txt.html
# Some settings may impact device functionality. See link above for details

# To use this on Fedora you need to use firmware provided device tree, not kernel
# For this functionality follow the following guide:
# https://fedoraproject.org/w/index.php?title=Architectures/ARM/Raspberry_Pi/HATs

# Details on overlays and additional parameters are documented in
# /boot/efi/overlays/README

# Raspberry Pi 4
[pi4]
dtoverlay=upstream-pi4

# Allow 256Mb of CMA by default on RPi4+
dtoverlay=cma,cma-256
# 4K display support - RPi4+ only, only one port possible
# hdmi_enable_4kp60=1

# Raspberry Pi CM4
[cm4]
# Enable host mode on the 2711 built-in XHCI USB controller.
# This line should be removed if the legacy DWC2 controller is required
# (e.g. for USB device mode) or if USB support is not required.
otg_mode=1

# Raspberry Pi 5
[pi5]
# Allow 256Mb of CMA by default on RPi4+
dtoverlay=cma,cma-256
# 4K display support - RPi4+ only, only one port possible
# hdmi_enable_4kp60=1

# Default Fedora configs for all Raspberry Pi Revisions
[all]
# Put the RPi into 64 bit mode
arm_64bit=1
kernel=rpi-u-boot.bin
dtoverlay=upstream

# Run as fast as the firmware allows
arm_boost=1

# 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
# Speed details: https://www.raspberrypi.org/forums/viewtopic.php?f=28&t=141195

# Terrible hack to work around U-Boot issues on most devices
enable_uart=1

# Early boot delay in the hope monitors are initialised enough to provide EDID
bootcode_delay=1

# Enable audio (loads snd_bcm2835)
dtparam=audio=on

# Use eXtended firmware by default
start_x=1

# We need this to be 32Mb to support VCHI services and drivers which use them
# but this isn't used by mainline VC4 driver so reduce to lowest supported value
# You need to set this to at least 80 for using the camera
gpu_mem=32

# Enable open source VC4 V3D display drivers
dtoverlay=vc4-kms-v3d
max_framebuffers=2

# Stop the RPi turning on HDMI monitors on reboot
hdmi_ignore_cec_init=1

# Automatically load overlays for detected DSI displays
display_auto_detect=1

# Disable compensation for displays with overscan
disable_overscan=1

# Don't have the firmware create an initial video= setting in cmdline.txt.
# Use the kernel's default instead.
disable_fw_kms_setup=1

# Automatically load overlays for detected cameras
camera_auto_detect=1

# HAT and DT overlays. Documentation at Raspberry Pi here:
# https://www.raspberrypi.org/documentation/configuration/device-tree.md
# Each dtoverlay line is an individual HAT/overlay, multiple lines allowed
# dtoverlay=rpi-sense

#dtparam=i2c_arm=on
#dtparam=i2s=on
#dtparam=spi=on