ec9a4e863a
This enables an auto-update mechanism on post-upgrade for the u-boot firmware on the librem 5 and librem 5 devkit. This mechanism is largely copied from the implementation in the pinephone u-boot package. efidebug is useful for booting the kernel via EFI mode in u-boot.
147 lines
3.2 KiB
Bash
147 lines
3.2 KiB
Bash
#!/bin/sh
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board=
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device=
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dryrun=
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imagedir=
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get_boot_blockdev() {
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# Find the blockdevice where /boot is mounted from
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mount | sed -n -E 's:.*(/dev/mmcblk[0-9])p[0-9] on /boot .*:\1:p'
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}
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get_defaults() {
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if [ -z "$board" ] && [ -e /sys/firmware/devicetree/base/compatible ]; then
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case "$(cat /sys/firmware/devicetree/base/compatible 2>/dev/null)" in
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purism,librem5r*) board=librem5;;
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purism,librem5-devkit*) board=librem5-devkit;;
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esac
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fi
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if [ -z "$device" ]; then
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case "$board" in
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librem5*) device=/dev/mmcblk0 ;;
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esac
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fi
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if [ -z "$imagedir" ]; then
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imagedir="/usr/share/u-boot"
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fi
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}
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die() {
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echo "ERROR: $@"
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exit 1
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}
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usage() {
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get_defaults
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cat <<EOF
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usage: $0 [-n,--dry-run] [-i,--imagedir <imagedir>] [-b|--board <board-type>] [-d|--device <device>] [-s|--skip-delay]
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options:
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-b,--board <board> Specify the board type: librem5
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(current default: ${board:-none})
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-d,--device <device> Specify the device where to install u-boot
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(current default: ${device:-none})
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-i,--imagedir <imagedir> Specify u-boot image directory
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(current default: ${imagedir:-none})
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-n,--dry-run Print commands but don't execute them
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-s,--skip-delay Skip delay and flash the image immediately
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EOF
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}
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validate_checksum() {
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file="$1"
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file_sha512="$file.sha512"
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file_size=$(stat -c%s $file)
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device="$2"
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bs="$3"
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seek="$4"
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checksum0=$(cat $file_sha512 | awk {'print $1'})
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checksum1=$(dd if=$device bs=1 skip=$(($seek * $bs)) count=$file_size status=none | sha512sum | awk {'print $1'})
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if [ "$checksum0" != "$checksum1" ]; then
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echo "File: $checksum0"
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echo "Part: $checksum1"
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die "Checksum failed"
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fi
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echo "Successful U-Boot image checksum verification on $device :"
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echo -e "\t$checksum1"
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}
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while [ $# -gt 0 ]; do
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opt="$1"
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shift
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case "$opt" in
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-b|--board)
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case "$1" in
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librem5) board="librem5" ;;
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*) usage; exit 1;;
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esac
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shift
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;;
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-d|--device)
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device="$1"
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shift
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;;
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-i|--imagedir)
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imagedir="$1"
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shift
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;;
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-n|--dry-run)
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dryrun="echo"
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;;
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-s|--skip-delay)
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skip_delay="yes"
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;;
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--)
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break
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;;
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-*)
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usage
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exit 1
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;;
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esac
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done
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get_defaults
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if [ -z "$board" -o -z "$device" -o -z "$imagedir" -o ! -e "$imagedir" ]; then
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usage
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exit 1
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fi
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if [ -z "$dryrun" ]; then
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if [ -z "$skip_delay" ]; then
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echo "Updating $board u-boot in $device in 3 seconds..."
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sleep 3
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else
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echo "Updating $board u-boot in $device"
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fi
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fi
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(
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set -e
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case "$board" in
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librem5)
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[ -e "$imagedir/librem5" ] || die "librem5 images not installed, apk add u-boot-librem5"
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$dryrun dd if=$imagedir/librem5/phone-boot.img of=$device bs=1024 seek=2 oflag=direct status=none
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[ -z "$dryrun" ] && validate_checksum $imagedir/librem5/phone-boot.img $device 1024 2
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;;
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librem5-devkit)
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[ -e "$imagedir/librem5" ] || die "librem5-devkit images not installed, apk add u-boot-librem5-devkit"
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$dryrun dd if=$imagedir/librem5/devkit-boot.img of=$device bs=1024 seek=2 oflag=direct status=none
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[ -z "$dryrun" ] && validate_checksum $imagedir/librem5/devkit-boot.img $device 1024 2
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;;
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esac
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$dryrun sync
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) || die "U-Boot installation in $device failed"
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[ -z "$dryrun" ] && echo "Completed successfully."
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