|
|
#
|
|
|
# Setup RPi2/3 config and cmdline
|
|
|
#
|
|
|
|
|
|
# Load utility functions
|
|
|
. ./functions.sh
|
|
|
|
|
|
if [ "$BUILD_KERNEL" = true ] ; then
|
|
|
if [ -n "$RPI_FIRMWARE_DIR" ] && [ -d "$RPI_FIRMWARE_DIR" ] ; then
|
|
|
# Install boot binaries from local directory
|
|
|
cp ${RPI_FIRMWARE_DIR}/boot/bootcode.bin ${BOOT_DIR}/bootcode.bin
|
|
|
cp ${RPI_FIRMWARE_DIR}/boot/fixup.dat ${BOOT_DIR}/fixup.dat
|
|
|
cp ${RPI_FIRMWARE_DIR}/boot/fixup_cd.dat ${BOOT_DIR}/fixup_cd.dat
|
|
|
cp ${RPI_FIRMWARE_DIR}/boot/fixup_x.dat ${BOOT_DIR}/fixup_x.dat
|
|
|
cp ${RPI_FIRMWARE_DIR}/boot/start.elf ${BOOT_DIR}/start.elf
|
|
|
cp ${RPI_FIRMWARE_DIR}/boot/start_cd.elf ${BOOT_DIR}/start_cd.elf
|
|
|
cp ${RPI_FIRMWARE_DIR}/boot/start_x.elf ${BOOT_DIR}/start_x.elf
|
|
|
else
|
|
|
# Create temporary directory for boot binaries
|
|
|
temp_dir=$(as_nobody mktemp -d)
|
|
|
|
|
|
# Install latest boot binaries from raspberry/firmware github
|
|
|
as_nobody wget -q -O "${temp_dir}/bootcode.bin" "${FIRMWARE_URL}/bootcode.bin"
|
|
|
as_nobody wget -q -O "${temp_dir}/fixup.dat" "${FIRMWARE_URL}/fixup.dat"
|
|
|
as_nobody wget -q -O "${temp_dir}/fixup_cd.dat" "${FIRMWARE_URL}/fixup_cd.dat"
|
|
|
as_nobody wget -q -O "${temp_dir}/fixup_x.dat" "${FIRMWARE_URL}/fixup_x.dat"
|
|
|
as_nobody wget -q -O "${temp_dir}/start.elf" "${FIRMWARE_URL}/start.elf"
|
|
|
as_nobody wget -q -O "${temp_dir}/start_cd.elf" "${FIRMWARE_URL}/start_cd.elf"
|
|
|
as_nobody wget -q -O "${temp_dir}/start_x.elf" "${FIRMWARE_URL}/start_x.elf"
|
|
|
|
|
|
# Move downloaded boot binaries
|
|
|
mv "${temp_dir}/"* "${BOOT_DIR}/"
|
|
|
|
|
|
# Remove temporary directory for boot binaries
|
|
|
rm -fr "${temp_dir}"
|
|
|
|
|
|
# Set permissions of the boot binaries
|
|
|
chown -R root:root "${BOOT_DIR}"
|
|
|
chmod -R 600 "${BOOT_DIR}"
|
|
|
fi
|
|
|
fi
|
|
|
|
|
|
# Setup firmware boot cmdline
|
|
|
if [ "$ENABLE_SPLITFS" = true ] ; then
|
|
|
CMDLINE="dwc_otg.lpm_enable=0 root=/dev/sda1 rootfstype=ext4 rootflags=commit=100,data=writeback elevator=deadline rootwait console=tty1"
|
|
|
else
|
|
|
CMDLINE="dwc_otg.lpm_enable=0 root=/dev/mmcblk0p2 rootfstype=ext4 rootflags=commit=100,data=writeback elevator=deadline rootwait console=tty1"
|
|
|
fi
|
|
|
|
|
|
# Add encrypted root partition to cmdline.txt
|
|
|
if [ "$ENABLE_CRYPTFS" = true ] ; then
|
|
|
if [ "$ENABLE_SPLITFS" = true ] ; then
|
|
|
CMDLINE=$(echo ${CMDLINE} | sed "s/sda1/mapper\/${CRYPTFS_MAPPING} cryptdevice=\/dev\/sda1:${CRYPTFS_MAPPING}/")
|
|
|
else
|
|
|
CMDLINE=$(echo ${CMDLINE} | sed "s/mmcblk0p2/mapper\/${CRYPTFS_MAPPING} cryptdevice=\/dev\/mmcblk0p2:${CRYPTFS_MAPPING}/")
|
|
|
fi
|
|
|
fi
|
|
|
|
|
|
# Add serial console support
|
|
|
if [ "$ENABLE_CONSOLE" = true ] ; then
|
|
|
CMDLINE="${CMDLINE} console=ttyAMA0,115200 kgdboc=ttyAMA0,115200"
|
|
|
fi
|
|
|
|
|
|
# Remove IPv6 networking support
|
|
|
if [ "$ENABLE_IPV6" = false ] ; then
|
|
|
CMDLINE="${CMDLINE} ipv6.disable=1"
|
|
|
fi
|
|
|
|
|
|
# Automatically assign predictable network interface names
|
|
|
if [ "$ENABLE_IFNAMES" = false ] ; then
|
|
|
CMDLINE="${CMDLINE} net.ifnames=0"
|
|
|
else
|
|
|
CMDLINE="${CMDLINE} net.ifnames=1"
|
|
|
fi
|
|
|
|
|
|
# Set init to systemd if required by Debian release
|
|
|
if [ "$RELEASE" = "stretch" ] || [ "$RELEASE" = "buster" ] ; then
|
|
|
CMDLINE="${CMDLINE} init=/bin/systemd"
|
|
|
fi
|
|
|
|
|
|
# Install firmware boot cmdline
|
|
|
echo "${CMDLINE}" > "${BOOT_DIR}/cmdline.txt"
|
|
|
|
|
|
# Install firmware config
|
|
|
install_readonly files/boot/config.txt "${BOOT_DIR}/config.txt"
|
|
|
|
|
|
# Setup minimal GPU memory allocation size: 16MB (no X)
|
|
|
if [ "$ENABLE_MINGPU" = true ] ; then
|
|
|
echo "gpu_mem=16" >> "${BOOT_DIR}/config.txt"
|
|
|
fi
|
|
|
|
|
|
# Setup boot with initramfs
|
|
|
if [ "$ENABLE_INITRAMFS" = true ] ; then
|
|
|
echo "initramfs initramfs-${KERNEL_VERSION} followkernel" >> "${BOOT_DIR}/config.txt"
|
|
|
fi
|
|
|
|
|
|
# Disable RPi3 Bluetooth and restore ttyAMA0 serial device
|
|
|
if [ "$RPI_MODEL" = 3 ] ; then
|
|
|
if [ "$ENABLE_CONSOLE" = true ] && [ "$ENABLE_UBOOT" = false ] ; then
|
|
|
echo "dtoverlay=pi3-disable-bt" >> "${BOOT_DIR}/config.txt"
|
|
|
echo "enable_uart=1" >> "${BOOT_DIR}/config.txt"
|
|
|
fi
|
|
|
fi
|
|
|
|
|
|
# Create firmware configuration and cmdline symlinks
|
|
|
ln -sf firmware/config.txt "${R}/boot/config.txt"
|
|
|
ln -sf firmware/cmdline.txt "${R}/boot/cmdline.txt"
|
|
|
|
|
|
# Install and setup kernel modules to load at boot
|
|
|
mkdir -p "${R}/lib/modules-load.d/"
|
|
|
install_readonly files/modules/rpi2.conf "${R}/lib/modules-load.d/rpi2.conf"
|
|
|
|
|
|
# Load hardware random module at boot
|
|
|
if [ "$ENABLE_HWRANDOM" = true ] && [ "$BUILD_KERNEL" = false ] ; then
|
|
|
sed -i "s/^# bcm2708_rng/bcm2708_rng/" "${R}/lib/modules-load.d/rpi2.conf"
|
|
|
fi
|
|
|
|
|
|
# Load sound module at boot
|
|
|
if [ "$ENABLE_SOUND" = true ] ; then
|
|
|
sed -i "s/^# snd_bcm2835/snd_bcm2835/" "${R}/lib/modules-load.d/rpi2.conf"
|
|
|
else
|
|
|
echo "dtparam=audio=off" >> "${BOOT_DIR}/config.txt"
|
|
|
fi
|
|
|
|
|
|
# Enable I2C interface
|
|
|
if [ "$ENABLE_I2C" = true ] ; then
|
|
|
echo "dtparam=i2c_arm=on" >> "${BOOT_DIR}/config.txt"
|
|
|
sed -i "s/^# i2c-bcm2708/i2c-bcm2708/" "${R}/lib/modules-load.d/rpi2.conf"
|
|
|
sed -i "s/^# i2c-dev/i2c-dev/" "${R}/lib/modules-load.d/rpi2.conf"
|
|
|
fi
|
|
|
|
|
|
# Enable SPI interface
|
|
|
if [ "$ENABLE_SPI" = true ] ; then
|
|
|
echo "dtparam=spi=on" >> "${BOOT_DIR}/config.txt"
|
|
|
echo "spi-bcm2708" >> "${R}/lib/modules-load.d/rpi2.conf"
|
|
|
if [ "$RPI_MODEL" = 3 ] ; then
|
|
|
sed -i "s/spi-bcm2708/spi-bcm2835/" "${R}/lib/modules-load.d/rpi2.conf"
|
|
|
fi
|
|
|
fi
|
|
|
|
|
|
# Disable RPi2/3 under-voltage warnings
|
|
|
if [ ! -z "$DISABLE_UNDERVOLT_WARNINGS" ] ; then
|
|
|
echo "avoid_warnings=${DISABLE_UNDERVOLT_WARNINGS}" >> "${BOOT_DIR}/config.txt"
|
|
|
fi
|
|
|
|
|
|
# Install kernel modules blacklist
|
|
|
mkdir -p "${ETC_DIR}/modprobe.d/"
|
|
|
install_readonly files/modules/raspi-blacklist.conf "${ETC_DIR}/modprobe.d/raspi-blacklist.conf"
|
|
|
|
|
|
# Install sysctl.d configuration files
|
|
|
install_readonly files/sysctl.d/81-rpi-vm.conf "${ETC_DIR}/sysctl.d/81-rpi-vm.conf"
|
|
|
|
