Files
start-os/build/image-recipe/raspberrypi/squashfs/boot/firmware/config.sh
Aiden McClelland fc4b887b71 fix: raspberry pi image build improvements
- Move firmware config files to boot/firmware/ to match raspi-firmware
  package layout in Debian Trixie
- Use nested mounts (firmware and efi inside boot) so squashfs boot
  files land on the correct partitions without manual splitting
- Pre-calculate root partition size from squashfs instead of creating
  oversized btrfs and shrinking (avoids ioctl failure on loop devices)
- Use named loop devices (/dev/startos-loop-*) with automatic cleanup
  of stale devices from previous failed builds
- Use --rbind for /boot in upgrade scripts so nested mounts (efi,
  firmware) are automatically carried into the chroot
2026-03-13 12:09:14 -06:00

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#!/bin/sh
cat << EOF
# Enable audio (loads snd_bcm2835)
dtparam=audio=on
# Automatically load overlays for detected cameras
camera_auto_detect=1
# Automatically load overlays for detected DSI displays
display_auto_detect=1
# Enable DRM VC4 V3D driver
dtoverlay=vc4-kms-v3d
max_framebuffers=2
# Run in 64-bit mode
arm_64bit=1
# Disable compensation for displays with overscan
disable_overscan=1
[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
[pi4]
# Run as fast as firmware / board allows
arm_boost=1
[all]
gpu_mem=16
dtoverlay=pwm-2chan,disable-bt
# Enable UART for U-Boot and serial console
enable_uart=1
# Load U-Boot as the bootloader (GRUB is chainloaded from U-Boot)
kernel=u-boot.bin
EOF