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meta-digi/meta-digi-arm/recipes-bsp/u-boot/u-boot-dey/ccmp1/install_linux_fw_uuu.sh

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#!/bin/sh
#===============================================================================
#
# Copyright (C) 2022-2025 by Digi International Inc.
# All rights reserved.
#
# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License version 2 as published by
# the Free Software Foundation.
#
#
# Description:
# Script to flash Yocto build artifacts over USB to the target.
#===============================================================================
# set -x
#
# U-Boot script for installing Linux images created by Yocto
#
# Exit on any error
set -e
# Parse uuu cmd output
getenv()
{
uuu -v fb: ucmd printenv "${1}" | sed -ne "s,^${1}=,,g;T;p"
}
check_cmd()
{
uuu -v fb: acmd ${1} > /dev/null 2> /dev/null
uuu -v fb: ucmd echo retval=\$? | sed -ne "s,^retval=,,g;T;p"
}
show_usage()
{
echo "Usage: $0 [options]"
echo ""
echo " Options:"
echo " -a <atf-filename> Arm-trusted-firmware filename."
echo " Auto-determined by variant if not provided."
echo " -b Activate bootcount mechanism (3 boot attempts)."
echo " -d Install firmware on dualboot partitions (system A and system B)."
echo " (Implies -b)."
echo " -f <fip-filename> FIP filename."
echo " Auto-determined by variant if not provided."
echo " -h Show this help."
echo " -i <dey-image-name> Image name that prefixes the image filenames, such as 'dey-image-qt', "
echo " 'dey-image-webkit', 'core-image-base'..."
echo " Defaults to '##DEFAULT_IMAGE_NAME##' if not provided."
echo " -n No wait. Skips 10 seconds delay to stop script."
echo " -t Install TrustFence artifacts."
exit 2
}
# Update a partition
# Params:
# 1. partition
# 2. file
# 3. timeout (in ms)
# Description:
# - downloads image to RAM
# - runs 'update' command from RAM
part_update()
{
echo "\033[36m"
echo "====================================================================================="
echo "Updating '${1}' partition with file: ${2}"
echo "====================================================================================="
echo "\033[0m"
uuu fb: download -f "${2}"
uuu "fb[-t ${3}]:" ucmd update "${1}" ram \${fastboot_buffer} \${filesize} ${ERASE}
}
clear
echo "############################################################"
echo "# Linux firmware install through USB OTG #"
echo "############################################################"
# Command line admits the following parameters:
# -a <atf-filename>
# -b, -d, -n (booleans)
# -f <fip-filename>
# -i <image-name>
while getopts 'a:bdf:hi:nt' c
do
case $c in
a) INSTALL_ATF_FILENAME=${OPTARG} ;;
b) BOOTCOUNT=true ;;
d) INSTALL_DUALBOOT=true && BOOTCOUNT=true ;;
f) INSTALL_FIP_FILENAME=${OPTARG} ;;
h) show_usage ;;
i) IMAGE_NAME=${OPTARG} ;;
n) NOWAIT=true ;;
t) TRUSTFENCE=true ;;
esac
done
# Enable the redirect support to get u-boot variables values
uuu fb: ucmd setenv stdout serial,fastboot
# Check if dualboot variable is active
dualboot=$(getenv "dualboot")
if [ "${dualboot}" = "yes" ]; then
DUALBOOT=true;
fi
# Check if uboot_config volume exists (U-Boot env)
uuu "fb[-t 15000]:" ucmd ubi part UBI
check=$(check_cmd "ubi check uboot_config")
if [ "${check}" = "1" ]; then
RUNVOLS=true
fi
# Check module_ram variable exists
module_ram=$(getenv "module_ram")
if [ -z "${module_ram}" ]; then
module_ram="512MB" # Default variant
fi
# remove redirect
uuu fb: ucmd setenv stdout serial
echo ""
echo "Determining image files to use..."
# Determine ATF file to program
if [ -z "${INSTALL_ATF_FILENAME}" ]; then
INSTALL_ATF_FILENAME="tf-a-##MACHINE##-${module_ram}-optee-nand.stm32##SIGNED##"
fi
# Determine FIP file to program
if [ -z "${INSTALL_FIP_FILENAME}" ]; then
INSTALL_FIP_FILENAME="fip-##MACHINE##-${module_ram}-optee-nand##SIGNED##.bin"
fi
# Determine linux, recovery, and rootfs image filenames to update
if [ -z "${IMAGE_NAME}" ]; then
IMAGE_NAME="##DEFAULT_IMAGE_NAME##"
fi
GRAPHICAL_IMAGES="##GRAPHICAL_IMAGES##"
for g in ${GRAPHICAL_IMAGES}; do
if [ "${IMAGE_NAME}" = "${g}" ]; then
BASEFILENAME="${IMAGE_NAME}-##GRAPHICAL_BACKEND##"
fi
done
if [ -z "${BASEFILENAME}" ]; then
BASEFILENAME="${IMAGE_NAME}"
fi
INSTALL_LINUX_FILENAME="${BASEFILENAME}-##MACHINE##.boot.ubifs"
INSTALL_RECOVERY_FILENAME="${BASEFILENAME}-##MACHINE##.recovery.ubifs"
INSTALL_ROOTFS_FILENAME="${BASEFILENAME}-##MACHINE##.ubifs"
# Verify existence of files before starting the update
FILES="${INSTALL_ATF_FILENAME} ${INSTALL_FIP_FILENAME} ${INSTALL_LINUX_FILENAME}"
if [ "${DUALBOOT}" != true ]; then
FILES="${FILES} ${INSTALL_RECOVERY_FILENAME}"
fi
for f in ${FILES}; do
if [ ! -f ${f} ]; then
echo "\033[31m[ERROR] Could not find file '${f}'\033[0m"
ABORT=true
fi
done;
# Verify what kind of rootfs is going to be programmed
if [ ! -f ${INSTALL_ROOTFS_FILENAME} ]; then
echo "\033[31m[ERROR] Could not find file '${INSTALL_ROOTFS_FILENAME}'\033[0m"
INSTALL_ROOTFS_FILENAME="${BASEFILENAME}-##MACHINE##.squashfs"
echo "\033[32m[INFO] Trying with file '${INSTALL_ROOTFS_FILENAME}'\033[0m"
if [ -f "${INSTALL_ROOTFS_FILENAME}" ]; then
SQUASHFS=true
else
echo "\033[31m[ERROR] Could not find file '${INSTALL_ROOTFS_FILENAME}'\033[0m"
ABORT=true
fi
fi
[ "${ABORT}" = true ] && exit 1
# Enable bootcount mechanism by setting a bootlimit
if [ "${BOOTCOUNT}" = true ]; then
bootlimit_cmd="setenv bootlimit 3"
fi
# parts names
LINUX_NAME="linux"
RECOVERY_NAME="recovery"
ROOTFS_NAME="rootfs"
# Print warning about storage media being deleted
if [ "${NOWAIT}" != true ]; then
WAIT=10
printf "\n"
printf " ====================\n"
printf " = IMPORTANT! =\n"
printf " ====================\n"
printf " This process will erase your NAND and will install the following files\n"
printf " on the partitions of the NAND.\n"
printf "\n"
printf " PARTITION\tFILENAME\n"
printf " ---------\t--------\n"
printf " fsbl1\t${INSTALL_ATF_FILENAME}\n"
printf " fsbl2\t${INSTALL_ATF_FILENAME}\n"
printf " fip-a\t${INSTALL_FIP_FILENAME}\n"
printf " fip-b\t${INSTALL_FIP_FILENAME}\n"
if [ "${DUALBOOT}" = true ]; then
printf " ${LINUX_NAME}_a\t${INSTALL_LINUX_FILENAME}\n"
if [ "${INSTALL_DUALBOOT}" = true ]; then
printf " ${LINUX_NAME}_b\t${INSTALL_LINUX_FILENAME}\n"
fi
printf " ${ROOTFS_NAME}_a\t${INSTALL_ROOTFS_FILENAME}\n"
if [ "${INSTALL_DUALBOOT}" = true ]; then
printf " ${ROOTFS_NAME}_b\t${INSTALL_ROOTFS_FILENAME}\n"
fi
else
printf " ${LINUX_NAME}\t${INSTALL_LINUX_FILENAME}\n"
printf " ${RECOVERY_NAME}\t${INSTALL_RECOVERY_FILENAME}\n"
printf " ${ROOTFS_NAME}\t${INSTALL_ROOTFS_FILENAME}\n"
fi
printf "\n"
printf " Press CTRL+C now if you wish to abort.\n"
printf "\n"
while [ ${WAIT} -gt 0 ]; do
printf "\r Update process starts in %d " ${WAIT}
sleep 1
WAIT=$(( ${WAIT} - 1 ))
done
printf "\r \n"
printf " Starting update process\n"
fi
# Set fastboot buffer address to $loadaddr, just in case
uuu fb: ucmd setenv fastboot_buffer \${loadaddr}
# Skip user confirmation for U-Boot update
uuu fb: ucmd setenv forced_update 1
# Update ATF
part_update "fsbl1" "${INSTALL_ATF_FILENAME}" 5000
part_update "fsbl2" "${INSTALL_ATF_FILENAME}" 5000
# Update FIP
part_update "fip-a" "${INSTALL_FIP_FILENAME}" 5000
part_update "fip-b" "${INSTALL_FIP_FILENAME}" 5000
# Environment volume does not exist and needs to be created
if [ "${RUNVOLS}" = true ]; then
# Create UBI volumes
uuu "fb[-t 45000]:" ucmd run ubivolscript
fi
# Set 'bootcmd' for the second part of the script that will
# - Reset environment to defaults
# - Keep the 'dualboot' status
# - Reset the bootcount
# - Set bootlimit (if required)
# - Save the environment
# - Update the 'linux' partition(s)
# - Update the 'rootfs' partition(s)
uuu fb: ucmd setenv bootcmd "
env default -a;
setenv dualboot \${dualboot};
bootcount reset;
${bootlimit_cmd};
saveenv;
saveenv;
echo \"\";
echo \"\";
echo \">> Installing Linux firmware\";
echo \"\";
echo \"\";
fastboot 0;
"
uuu fb: ucmd saveenv
uuu fb: acmd reset
# Wait for the target to reset
sleep 8
# Set fastboot buffer address to $loadaddr
uuu fb: ucmd setenv fastboot_buffer \${loadaddr}
# Create UBI volumes
uuu "fb[-t 45000]:" ucmd run ubivolscript
if [ "${DUALBOOT}" = true ]; then
# Update Linux A
part_update "${LINUX_NAME}_a" "${INSTALL_LINUX_FILENAME}" 15000
# Update Linux B
if [ "${INSTALL_DUALBOOT}" = true ]; then
part_update "${LINUX_NAME}_b" "${INSTALL_LINUX_FILENAME}" 15000
fi
# Update Rootfs A
part_update "${ROOTFS_NAME}_a" "${INSTALL_ROOTFS_FILENAME}" 120000
# Update Rootfs B
if [ "${INSTALL_DUALBOOT}" = true ]; then
part_update "${ROOTFS_NAME}_b" "${INSTALL_ROOTFS_FILENAME}" 120000
fi
else
# Update Linux
part_update "${LINUX_NAME}" "${INSTALL_LINUX_FILENAME}" 15000
# Update Recovery
part_update "${RECOVERY_NAME}" "${INSTALL_RECOVERY_FILENAME}" 15000
# Update Rootfs
part_update "${ROOTFS_NAME}" "${INSTALL_ROOTFS_FILENAME}" 120000
# Configure u-boot to boot into recovery mode and format the
# 'update' partition
uuu fb: ucmd setenv boot_recovery yes
uuu fb: ucmd setenv recovery_command wipe_update
uuu fb: ucmd saveenv
fi
# Set the dboot_kernel_var to fitimage if Trustfence is enabled
if [ "${TRUSTFENCE}" = "true" ] || echo "$INSTALL_UBOOT_FILENAME" | grep -q -e "signed"; then
uuu fb: ucmd setenv dboot_kernel_var fitimage
uuu fb: ucmd saveenv
fi
# Set the rootfstype if squashfs
if [ "${SQUASHFS}" = true ]; then
uuu fb: ucmd setenv rootfstype squashfs
uuu fb: ucmd saveenv
fi
# Reset the bootcount
uuu fb: ucmd bootcount reset
# Reset the target
uuu fb: acmd reset
echo "\033[32m"
echo "============================================================="
echo "Done! Wait for the target to complete first boot process."
echo "============================================================="
echo "\033[0m"
exit
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