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@@ -0,0 +1,146 @@
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+ #!/bin/sh
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+ # Copyright (C) 2021 Red Hat Inc.
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+ # SPDX-License-Identifier: GPL-2.0
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+
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+ # This script will create a U-Boot image, generally for a MMC boot
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+ # to start U-Boot and allow the user to write out a firmware to
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+ # SPI flash. It's generally used once and discarded.
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+
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+ # usage message
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+ usage() {
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+ echo "
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+ Usage: $(basename ${0}) <options>
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+
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+ --media=DEVICE - media device file (/dev/[sdX|mmcblkX])
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+ --target=TARGET - target board
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+
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+ optional
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+ --tag=KOJI TAG - koji tag to download build
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+
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+ Example: $(basename ${0}) --target=panda --media=/dev/mmcblk0
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+
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+ For list of supported boards please check SUPPORTED-BOARDS file.
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+ The devices must have on board SPI flash and support enabled for it.
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+ "
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+ }
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+
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+ # check the args
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+ while [ $# -gt 0 ]; do
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+ case $1 in
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+ --debug)
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+ set -x
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+ ;;
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+ -h|--help)
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+ usage
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+ ;;
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+ --target*)
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+ if echo $1 | grep '=' >/dev/null ; then
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+ TARGET=$(echo $1 | sed 's/^--target=//')
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+ else
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+ TARGET=$2
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+ shift
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+ fi
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+ ;;
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+ --media*)
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+ if echo $1 | grep '=' >/dev/null ; then
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+ MEDIA=$(echo $1 | sed 's/^--media=//')
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+ else
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+ MEDIA=$2
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+ shift
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+ fi
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+ ;;
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+ --tag*)
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+ if echo $1 | grep '=' >/dev/null ; then
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+ KOJI_TAG=$(echo $1 | sed 's/^--tag=//')
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+ else
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+ KOJI_TAG=$2
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+ shift
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+ fi
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+ ;;
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+ *)
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+ echo "$(basename ${0}): Error - ${1}"
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+ usage
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+ exit 1
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+ ;;
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+ esac
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+ shift
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+ done
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+
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+ if [ -d "/usr/share/arm-image-installer/boards.d" ]; then
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+ BOARDDIR="/usr/share/arm-image-installer/boards.d"
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+ else
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+ DIR=$(dirname $0)
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+ BOARDDIR="${DIR}/boards.d"
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+ fi
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+ # ensure sudo user
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+ if [ "$(whoami)" != "root" ]; then
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+ echo "Error: This script requires 'sudo' privileges in order to write to disk & mount media."
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+ exit 1
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+ fi
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+
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+ # check if media exists
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+ if [[ ! -e $MEDIA ]]; then
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+ echo "Missing media"
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+ usage
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+ exit 1
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+ fi
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+
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+ if [[ $TARGET = '' ]]; then
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+ echo "Missing target"
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+ usage
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+ exit 1
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+ fi
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+ if [[ $KOJI_TAG != '' ]]; then
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+ if [[ ! -f /usr/bin/koji ]]; then
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+ echo "Please install koji-utils for this option."
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+ exit 1
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+ else
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+ PREFIX='/tmp/root/'
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+ rm -rf /tmp/root &> /dev/null
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+ mkdir $PREFIX
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+
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+ #get the latest uboot
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+ pushd $PREFIX &> /dev/null
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+ if [ $KOJI_TAG = f22 ]; then
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+ koji download-build --arch=armv7hl --latestfrom=$KOJI_TAG uboot-tools
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+ else
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+ koji download-build --arch=noarch --latestfrom=$KOJI_TAG uboot-tools
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+ fi
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+ # unpack uboot
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+ for rpm in uboot-images*.rpm
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+ do
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+ rpm2cpio "${rpm}" | cpio -idv &> /dev/null
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+ done
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+ popd &> /dev/null
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+ fi
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+ fi
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+
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+ # Create a VFAT partition, 32Mb offset, 256Mb in size
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+ parted -s "$MEDIA" mklabel msdos
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+ parted -s "$MEDIA" mkpart -a cylinder primary fat32 32 256
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+ partprobe "$MEDIA"
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+
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+ mkdir /tmp/fw > /dev/null 2>&1
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+
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+ if [ -e "$MEDIA"p1 ]; then
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+ mkfs.vfat "$MEDIA"p1
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+ mount "$MEDIA"p1 /tmp/fw > /dev/null 2>&1
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+ elif [ -e "$MEDIA"1 ]; then
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+ mkfs.vfat "$MEDIA"1
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+ mount "$MEDIA"1 /tmp/fw > /dev/null 2>&1
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+ fi
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+
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+ # determine uboot and write to disk
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+ if [ "$TARGET" != "" ]; then
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+ if [ -d "${PREFIX}/usr/share/uboot/${TARGET}" ]; then
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+ . "${BOARDDIR}/${TARGET}"
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+ cp "${PREFIX}/usr/share/uboot/${TARGET}/"* /tmp/fw ## 2>&1
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+ umount /tmp/fw
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+ else
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+ echo "= No U-Boot files found for $TARGET."
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+ fi
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+ fi
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+
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+ rmdir /tmp/fw
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+
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+ # vi: tabstop=8 softtabstop=0 expandtab shiftwidth=8 smarttab
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pbrobinson
commented 3 years ago
The spi-flashing-disk is basic to enable a user just to boot to
U-Boot and to then use U-Boot to write out the firmware to the
SPI flash so that you can then just boot the distro as normal.
Signed-off-by: Peter Robinson pbrobinson@gmail.com