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|
#!/bin/bash
set -e
. "${BR2_EXTERNAL_PIAUDIO_PATH}/board/common.sh"
BOARD_DIR="$(dirname $0)"
GENIMAGE_CFG="${BOARD_DIR}/genimage-${BOARDNAME}.cfg"
GENIMAGE_TMP="${BUILD_DIR}/genimage.tmp"
for arg in "$@"
do
case "${arg}" in
--add-miniuart-bt-overlay)
if ! grep -qE '^dtoverlay=' "${BINARIES_DIR}/rpi-firmware/config.txt"; then
echo "Adding 'dtoverlay=miniuart-bt' to config.txt (fixes ttyAMA0 serial console)."
cat << __EOF__ >> "${BINARIES_DIR}/rpi-firmware/config.txt"
# fixes rpi (3B, 3B+, 3A+, 4B and Zero W) ttyAMA0 serial console
dtoverlay=miniuart-bt
__EOF__
fi
;;
--aarch64)
# Run a 64bits kernel (armv8)
sed -e '/^kernel=/s,=.*,=Image,' -i "${BINARIES_DIR}/rpi-firmware/config.txt"
if ! grep -qE '^arm_64bit=1' "${BINARIES_DIR}/rpi-firmware/config.txt"; then
cat << __EOF__ >> "${BINARIES_DIR}/rpi-firmware/config.txt"
# enable 64bits support
arm_64bit=1
__EOF__
fi
;;
--gpu_mem_256=*|--gpu_mem_512=*|--gpu_mem_1024=*)
# Set GPU memory
gpu_mem="${arg:2}"
sed -e "/^${gpu_mem%=*}=/s,=.*,=${gpu_mem##*=}," -i "${BINARIES_DIR}/rpi-firmware/config.txt"
;;
--configure-piaudio)
# Configure piaudio
# Set the bootloader delay to 0 seconds
if ! grep -qE '^boot_delay=0' "${BINARIES_DIR}/rpi-firmware/config.txt"; then
cat << __EOF__ >> "${BINARIES_DIR}/rpi-firmware/config.txt"
boot_delay=0
__EOF__
fi
# Set turbo mode for boot
if ! grep -qE '^initial_turbo' "${BINARIES_DIR}/rpi-firmware/config.txt"; then
cat << __EOF__ >> "${BINARIES_DIR}/rpi-firmware/config.txt"
initial_turbo=10
__EOF__
fi
# Inform the kernel about the filesystem and ro state
if ! grep -qE 'fastboot noswap ro' "${BINARIES_DIR}/rpi-firmware/cmdline.txt"; then
sed '/^root=/ s/$/ fastboot noswap ro/' -i "${BINARIES_DIR}/rpi-firmware/cmdline.txt"
fi
# Remove the serial console over the UART port and let it available for
# bluetooth
remove_text "${BINARIES_DIR}/rpi-firmware/cmdline.txt" "console=ttyAMA0,115200 "
if ! grep -qE '^dtoverlay=dwc2' "${BINARIES_DIR}/rpi-firmware/config.txt"; then
cat << __EOF__ >> "${BINARIES_DIR}/rpi-firmware/config.txt"
dtoverlay=dwc2
# https://github.com/raspberrypi/firmware/tree/master/boot/overlays
dtparam=krnbt=on
dtparam=i2c=on
dtparam=audio=on
dtoverlay=allo-boss-dac-pcm512x-audio
__EOF__
fi
if ! grep -qE 'modules-load=dwc2,g_serial' "${BINARIES_DIR}/rpi-firmware/cmdline.txt"; then
sed '/^root=/ s/$/ modules-load=dwc2,g_serial/' -i "${BINARIES_DIR}/rpi-firmware/cmdline.txt"
fi
;;
esac
done
# Pass an empty rootpath. genimage makes a full copy of the given rootpath to
# ${GENIMAGE_TMP}/root so passing TARGET_DIR would be a waste of time and disk
# space. We don't rely on genimage to build the rootfs image, just to insert a
# pre-built one in the disk image.
trap 'rm -rf "${ROOTPATH_TMP}"' EXIT
ROOTPATH_TMP="$(mktemp -d)"
rm -rf "${GENIMAGE_TMP}"
genimage \
--rootpath "${ROOTPATH_TMP}" \
--tmppath "${GENIMAGE_TMP}" \
--inputpath "${BINARIES_DIR}" \
--outputpath "${BINARIES_DIR}" \
--config "${GENIMAGE_CFG}"
exit $?
|