kumquat-buildroot/board/raspberrypi/post-image.sh
Gaël PORTAY f9ccd2a186 raspberrypi: post-image.sh add new gpu_mem option
The amount of GPU memory can be set using the new option --gpu_mem_XXX
(where XXX is the total amount of memory available on the board).

Signed-off-by: Gaël PORTAY <gael.portay@savoirfairelinux.com>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
2017-09-27 22:08:03 +02:00

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#!/bin/bash
BOARD_DIR="$(dirname $0)"
BOARD_NAME="$(basename ${BOARD_DIR})"
GENIMAGE_CFG="${BOARD_DIR}/genimage-${BOARD_NAME}.cfg"
GENIMAGE_TMP="${BUILD_DIR}/genimage.tmp"
for arg in "$@"
do
case "${arg}" in
--add-pi3-miniuart-bt-overlay)
if ! grep -qE '^dtoverlay=' "${BINARIES_DIR}/rpi-firmware/config.txt"; then
echo "Adding 'dtoverlay=pi3-miniuart-bt' to config.txt (fixes ttyAMA0 serial console)."
cat << __EOF__ >> "${BINARIES_DIR}/rpi-firmware/config.txt"
# fixes rpi3 ttyAMA0 serial console
dtoverlay=pi3-miniuart-bt
__EOF__
fi
;;
--aarch64)
# Run a 64bits kernel (armv8)
sed -e '/^kernel=/s,=.*,=Image,' -i "${BINARIES_DIR}/rpi-firmware/config.txt"
if ! grep -qE '^arm_control=0x200' "${BINARIES_DIR}/rpi-firmware/config.txt"; then
cat << __EOF__ >> "${BINARIES_DIR}/rpi-firmware/config.txt"
# enable 64bits support
arm_control=0x200
__EOF__
fi
# Enable uart console
if ! grep -qE '^enable_uart=1' "${BINARIES_DIR}/rpi-firmware/config.txt"; then
cat << __EOF__ >> "${BINARIES_DIR}/rpi-firmware/config.txt"
# enable rpi3 ttyS0 serial console
enable_uart=1
__EOF__
fi
;;
--gpu_mem_256=*|--gpu_mem_512=*|--gpu_mem_1024=*)
# Set GPU memory
gpu_mem="${1:2}"
sed -e "/^${gpu_mem%=*}=/s,=.*,=${gpu_mem##*=}," -i "${BINARIES_DIR}/rpi-firmware/config.txt"
;;
esac
done
rm -rf "${GENIMAGE_TMP}"
genimage \
--rootpath "${TARGET_DIR}" \
--tmppath "${GENIMAGE_TMP}" \
--inputpath "${BINARIES_DIR}" \
--outputpath "${BINARIES_DIR}" \
--config "${GENIMAGE_CFG}"
exit $?