#!/bin/bash
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# this project absolute path
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PRJ_PATH=$(cd $(dirname "${BASH_SOURCE[0]}") && pwd)
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# top project absolute path
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TOP_PATH=$(realpath $PRJ_PATH/..)
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# binaries install path
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INST_PATH=$PRJ_PATH/install
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# download taballs path
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TARBALL_PATH=$PRJ_PATH/tarballs
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# config file path
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CONF_FILE=$TOP_PATH/config.json
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# shell script will exit once get command error
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set -e
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#+-------------------------+
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#| Shell script functions |
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#+-------------------------+
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function pr_error() {
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echo -e "\033[40;31m $1 \033[0m"
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}
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function pr_warn() {
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echo -e "\033[40;33m $1 \033[0m"
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}
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function pr_info() {
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echo -e "\033[40;32m $1 \033[0m"
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}
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# decompress a packet to destination path
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function do_unpack()
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{
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tarball=$1
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dstpath=`pwd`
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if [[ $# == 2 ]] ; then
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dstpath=$2
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fi
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pr_info "decompress $tarball => $dstpath"
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mkdir -p $dstpath
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case $tarball in
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*.tar.gz)
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tar -xzf $tarball -C $dstpath
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;;
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*.tar.bz2)
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tar -xjf $tarball -C $dstpath
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;;
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*.tar.xz)
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tar -xJf $tarball -C $dstpath
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;;
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*.tar.zst)
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tar -I zstd -xf $tarball -C $dstpath
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;;
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*.tar)
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tar -xf $tarball -C $dstpath
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;;
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*.zip)
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unzip -qo $tarball -d $dstpath
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;;
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*)
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pr_error "decompress Unsupport packet: $tarball"
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return 1;
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;;
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esac
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}
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# parser configure file and export environment variable
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function export_env()
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{
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export BOARD=`jq -r ".bsp.board" $CONF_FILE | tr 'A-Z' 'a-z'`
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export BSP_VER=`jq -r ".bsp.version" $CONF_FILE | tr 'A-Z' 'a-z'`
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export URL=`jq -r ".bsp.download" $CONF_FILE | tr 'A-Z' 'a-z'`
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export CROSS_COMPILE=`jq -r ".bsp.crosstool" $CONF_FILE | tr 'A-Z' 'a-z'`
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export JOBS=`cat /proc/cpuinfo | grep processor | wc -l`
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# i.MX6ULL only need build uboot-imx
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if [[ $BOARD =~ 6ull ]] ; then
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export ARCH=arm
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export SRCS="uboot-imx"
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# i.MX8MP need build atf and u-boot
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elif [[ $BOARD =~ 8mp ]] ; then
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export ARCH=arm64
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export SRCS="uboot-imx imx-atf imx-mkimage firmware-imx"
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# ATF and imx-mkimage variable
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export ATF_PLATFORM=imx8mp
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export IMX_BOOT_SOC_TARGET=iMX8MP
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export IMXBOOT_TARGETS=flash_evk
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export IMXBOOT_DTB=imx8mp-evk.dtb
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export MKIMG_BIN_PATH=$PRJ_PATH/imx-mkimage/iMX8M/
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else
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pr_error "\nERROR: Unknow board name $BOARD"
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exit;
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fi
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}
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function do_fetch()
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{
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mkdir -p $TARBALL_PATH
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cd $PRJ_PATH
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for src in $SRCS
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do
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if [ -d $src ] ; then
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pr_info "$src fetched already"
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continue
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fi
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# Download source code packet
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if [ ! -s $TARBALL_PATH/$src.tar.xz ] ; then
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pr_info "start fetch $src source code"
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wget $URL/bsp/$BSP_VER/$src.tar.xz -P $TARBALL_PATH
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fi
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# decompress source code packet
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do_unpack $TARBALL_PATH/$src.tar.xz
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# do patch if patch file exist
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patch_path=$PRJ_PATH/patches/$BOARD
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patch_file=$patch_path/${src}-$BSP_VER.patch
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if [ -f $patch_file ] ; then
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pr_info "found and patch for $src"
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patch -p0 < $patch_file
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fi
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# copy uboot logo file
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logo_file=$patch_path/logo_uboot.bmp
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if [[ $src =~ uboot ]] ; then
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if [ -f $logo_file ] ; then
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pr_info "copy logo file to $src"
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cp $logo_file $src/tools/logos/lingyun.bmp
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fi
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fi
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done
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rm -f *.tar.*
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}
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function build_uboot()
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{
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SRC=uboot-imx
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pr_warn "start build $SRC"
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cd $PRJ_PATH/${SRC}
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if [ ! -f .config ] ; then
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make ARCH=arm ${BOARD}_defconfig
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fi
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make -j${JOBS} CROSS_COMPILE=${CROSS_COMPILE} ARCH=arm
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if [[ $BOARD =~ 6ull ]] ; then
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cp u-boot-dtb.imx u-boot-${BOARD}.imx
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chmod a+x u-boot-${BOARD}.imx
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set -x
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cp u-boot-${BOARD}.imx $INST_PATH
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set +x
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elif [[ $BOARD =~ 8mp ]] ; then
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# install binaries to imx-mkimage
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set -x
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cp u-boot.bin $MKIMG_BIN_PATH
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cp u-boot-nodtb.bin $MKIMG_BIN_PATH
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cp spl/u-boot-spl.bin $MKIMG_BIN_PATH
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cp arch/arm/dts/${BOARD}.dtb $MKIMG_BIN_PATH/$IMXBOOT_DTB
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cp tools/mkimage $MKIMG_BIN_PATH/mkimage_uboot
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set +x
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fi
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}
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# i.MX8MP need ATF(ARM Trusted Firmware)
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function build_atf()
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{
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SRC=imx-atf
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pr_warn "start build $SRC"
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cd $PRJ_PATH/${SRC}
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make -j${JOBS} CROSS_COMPILE=${CROSS_COMPILE} PLAT=$ATF_PLATFORM bl31
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set -x
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cp build/$ATF_PLATFORM/release/bl31.bin $MKIMG_BIN_PATH
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set +x
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}
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# The diagram below illustrate a signed iMX8 flash.bin image layout:
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# reference: uboot-imx/doc/imx/habv4/guides/mx8m_secure_boot.txt
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#
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# +-----------------------------+
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# | |
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# | *Signed HDMI/DP FW |
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# | |
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# +-----------------------------+
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# | Padding |
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# ------- +-----------------------------+ --------
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# ^ | IVT - SPL | ^
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# Signed | +-----------------------------+ |
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# Data | | u-boot-spl.bin | |
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# | | + | | SPL
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# v | DDR FW | | Image
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# ------- +-----------------------------+ |
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# | CSF - SPL + DDR FW | v
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# +-----------------------------+ --------
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# | Padding |
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# ------- +-----------------------------+ --------
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# Signed ^ | FDT - FIT | ^
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# Data | +-----------------------------+ |
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# v | IVT - FIT | |
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# ------- +-----------------------------+ |
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# | CSF - FIT | |
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# ------- +-----------------------------+ | FIT
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# ^ | u-boot-nodtb.bin | | Image
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# | +-----------------------------+ |
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# Signed | | OP-TEE (Optional) | |
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# Data | +-----------------------------+ |
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# | | bl31.bin (ATF) | |
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# | +-----------------------------+ |
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# v | u-boot.dtb | v
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# ------- +-----------------------------+ --------
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#
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#
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# Reference: <<IMX_LINUX_USERS_GUIDE.pdf>> 4.5.13 How to build imx-boot image by using imx-mkimage
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function build_imxboot()
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{
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SRC=imx-mkimage
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pr_warn "start build $SRC"
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cd $PRJ_PATH/${SRC}
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cp $PRJ_PATH/firmware-imx/firmware/hdmi/cadence/signed_hdmi_imx8m.bin $MKIMG_BIN_PATH
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cp $PRJ_PATH/firmware-imx/firmware/ddr/synopsys/lpddr4_pmu_train_[1-2]d_imem_*.bin $MKIMG_BIN_PATH
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cp $PRJ_PATH/firmware-imx/firmware/ddr/synopsys/lpddr4_pmu_train_[1-2]d_dmem_*.bin $MKIMG_BIN_PATH
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make SOC=$IMX_BOOT_SOC_TARGET REV=A0 $IMXBOOT_TARGETS
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cp $MKIMG_BIN_PATH/flash.bin u-boot-${BOARD}.imx
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chmod a+x u-boot-${BOARD}.imx
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set -x
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cp u-boot-${BOARD}.imx $INST_PATH
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set +x
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}
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function do_build()
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{
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cd $PRJ_PATH
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mkdir -p $INST_PATH
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if [[ $BOARD =~ 6ull ]] ; then
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build_uboot
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elif [[ $BOARD =~ 8mp ]] ; then
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build_atf
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build_uboot
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build_imxboot
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fi
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}
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function do_install()
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{
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cd $PRJ_PATH
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pr_info "\nbootloader installed to '$INST_PATH'"
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ls $INST_PATH && echo ""
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}
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function do_clean()
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{
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for d in $SRCS
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do
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rm -rf $PRJ_PATH/$d
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done
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rm -rf $TARBALL_PATH
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rm -rf $INST_PATH
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}
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#+-------------------------+
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#| Shell script body entry |
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#+-------------------------+
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cd $PRJ_PATH
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export_env
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if [[ $# == 1 && $1 == -c ]] ;then
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pr_warn "start clean bootloader"
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do_clean
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exit;
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fi
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pr_warn "start build bootloader for ${BOARD}"
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do_fetch
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do_build
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do_install
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