#!/bin/sh verbose= board= device= dryrun= imagedir= default_freq=528 freq= skip_delay= get_boot_blockdev() { # Find the blockdevice where /boot is mounted from mount | sed -n -E 's:.*(/dev/mmcblk[0-9])p[0-9] on /boot .*:\1:p' } get_defaults() { if [ -z "$board" -a -e /sys/firmware/devicetree/base/compatible ]; then case "$(cat /sys/firmware/devicetree/base/compatible 2>/dev/null)" in pine64,pinephone*) board=pinephone ;; pine64,pinetab*) board=pinetab ;; esac fi if [ -z "$device" ]; then case "$board" in pinephone|pinetab) device=$(get_boot_blockdev) ;; esac fi if [ -z "$imagedir" ]; then imagedir="$(realpath $(dirname $0))" [ -f "$imagedir/README.txt" ] || imagedir="/usr/share/u-boot" fi if [ -z "$freq" -a -e /proc/device-tree/memory/ram_freq ]; then proc_freq=$(cat /proc/device-tree/memory/ram_freq 2>/dev/null) if [ -n "$proc_freq" ]; then echo "Detected clock: $proc_freq MHz" default_freq="$proc_freq" else echo "WARNING: Failed to read clock from /proc/device-tree/memory/ram_freq" echo "Using default clock: $default_freq MHz" fi elif [ -z "$freq" ]; then echo Using default clock: $default_freq MHz else echo Changing clock: $freq MHz fi } die() { echo "ERROR: $@" exit 1 } usage() { get_defaults cat <] [-b|--board ] [-d|--device ] [-r|--ram-freq ] [-s|--skip-delay] options: -b,--board Specify the board type: pinephone, pinetab (current default: ${board:-none}) -d,--device Specify the device where to install u-boot (current default: ${device:-none}) -i,--imagedir Specify u-boot image directory (current default: ${imagedir:-none}) -n,--dry-run Print commands but don't execute them -r,--ram-freq RAM clock speed, one of: * 528 (default for new postmarketOS installations) * 552 (default before v21.03 / edge 2021-04-05) * 624 -s,--skip-delay Skip delay and flash the image immediately EOF } validate_checksum() { file="$1" file_sha512="$file.sha512" file_size=$(stat -c%s $file) device="$2" bs="$3" seek="$4" checksum0=$(cat $file_sha512 | awk {'print $1'}) checksum1=$(dd if=$device bs=1 skip=$(($seek * $bs)) count=$file_size status=none | sha512sum | awk {'print $1'}) if [ "$checksum0" != "$checksum1" ]; then echo "File: $checksum0" echo "Part: $checksum1" die "Checksum failed" fi echo "Successful U-Boot image checksum verification on $device :" echo -e "\t$checksum1" } while [ $# -gt 0 ]; do opt="$1" shift case "$opt" in -b|--board) case "$1" in pinephone) board="pinephone" ;; pinetab) board="pinetab" ;; *) usage; exit 1;; esac shift ;; -d|--device) device="$1" shift ;; -i|--imagedir) imagedir="$1" shift ;; -n|--dry-run) dryrun="echo" ;; -r|--ram-freq) case "$1" in 528) freq="528" ;; 552) freq="552" ;; 624) freq="624" ;; *) usage; exit 1;; esac shift ;; -s|--skip-delay) skip_delay="yes" ;; --) break ;; -*) usage exit 1 ;; esac done get_defaults if [ -z "$board" -o -z "$device" -o -z "$imagedir" -o ! -e "$imagedir" ]; then usage exit 1 fi echo "/!\ WARNING:" echo "This upgrade may not work reliably, postmarketOS might not boot anymore!" echo "More information: https://postmarketos.org/pp-uboot-upgrade" echo read -p "Continue? (y/n) [n]: " -n 1 -r echo case "$REPLY" in y|Y) ;; *) exit 1 ;; esac if [ -z "$dryrun" ]; then if [ ! -z "$freq" ]; then echo "/!\ Disclaimer warning:" echo "Overclocking your device may render it unstable or prevent it to boot" echo "If you're unable to boot your device you'll have to flash an image to a mSD card" echo "then boot on it and update u-boot running this command:" echo "update-u-boot -d /dev/mmcblk2" echo read -p "Continue? (y/n) [n]: " -n 1 -r echo case "$REPLY" in y|Y) ;; *) exit 1 ;; esac fi if [ -z "$skip_delay" ]; then echo "Updating $board u-boot in $device in 3 seconds..." sleep 3 else echo "Updating $board u-boot in $device" fi fi if [ -z "$freq" ]; then freq=$default_freq fi ( set -e case "$board" in pinephone|pinetab) [ -e "$imagedir/pine64-pinephone/" ] || die "pinephone images not installed, apk add u-boot-pinephone" $dryrun dd if=$imagedir/pine64-pinephone/u-boot-sunxi-with-spl-$freq.bin of=$device bs=1024 seek=8 oflag=direct status=none [ -z "$dryrun" ] && validate_checksum $imagedir/pine64-pinephone/u-boot-sunxi-with-spl-$freq.bin $device 1024 8 ;; esac $dryrun sync ) || die "U-Boot installation in $device failed" [ -z "$dryrun" ] && echo "Completed successfully."