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Diffstat (limited to 'recipes/images/files/library/imx6/update.sh')
| -rwxr-xr-x | recipes/images/files/library/imx6/update.sh | 259 |
1 files changed, 259 insertions, 0 deletions
diff --git a/recipes/images/files/library/imx6/update.sh b/recipes/images/files/library/imx6/update.sh new file mode 100755 index 0000000..6f91728 --- /dev/null +++ b/recipes/images/files/library/imx6/update.sh @@ -0,0 +1,259 @@ +#!/bin/sh +# Prepare files needed for flashing a Apalis/Colibri iMX6 module +# +# inspired by meta-fsl-arm/classes/image_types_fsl.bbclass + +# sometimes we need the binary echo, not the shell builtin +ECHO=`which echo` +#some distros have fs tools only in root's path +PARTED=`which parted` 2> /dev/null +if [ -e "$PARTED" ] ; then + MKFSVFAT=`which mkfs.vfat` +else + PARTED=`sudo which parted` + MKFSVFAT=`sudo which mkfs.vfat` +fi + +Flash() +{ + echo "" + echo "To flash the Apalis/Colibri iMX6 module, boot the module to the U-Boot prompt and" + echo "" + echo "when using a SD-card, insert the SD-card and enter:" + echo "run setupdate" + echo "" + echo "when using tftp, connect Ethernet and enter:" + echo "tftp \$loadaddr flash_eth.img ; source \$loadaddr" + echo "" + echo "then enter to update all:" + echo "run update" + echo "" + echo "to update a single component enter one of:" + echo "run update_uboot" + echo "run update_kernel" + echo "" + echo "" + echo "If you don't have a working U-Boot anymore, connect your PC to the module's" + echo "USB client port, bring the module in the serial download mode and start" + echo "the update.sh script with the -d option. This will copy U-Boot into the" + echo "modules RAM and execute it." +} + +Usage() +{ + echo "" + echo "Prepares and copies files for flashing the internal eMMC of a Apalis/Colibri iMX6" + echo "" + echo "Will require a running U-Boot on the target. Either one already flashed" + echo "on the eMMC or one copied over usb into the module's RAM" + echo "" + echo "-d : use USB connection to copy and execute U-Boot to the module's RAM" + echo "-h : Prints this message" + echo "-o directory : output directory, defaults to /media/KERNEL" + echo " if this is on a SD card, it should be the" + echo " first partition formated with VFAT" + echo "" + echo "Example \"./update.sh\" copies the requiered files to /media/KERNEL/" + echo "Example \"./update.sh -o /srv/tftp/\" copies the requiered files to /srv/tftp/" + echo "" + echo "" + Flash +} + +#initialise options +UBOOT_RECOVERY=0 +OUT_DIR="/media/KERNEL" +MIN_PARTITION_FREE_SIZE=100 +ROOTFSPATH=rootfs +# No devicetree by default +KERNEL_DEVICETREE="" +KERNEL_IMAGETYPE="uImage" + +while getopts "dho:" Option ; do + case $Option in + d) UBOOT_RECOVERY=1 + ;; + h) Usage + # Exit if only usage (-h) was specfied. + if [ "$#" -eq 1 ] ; then + exit 10 + fi + exit 0 + ;; + o) OUT_DIR=$OPTARG + ;; + esac +done + +# autotect MODTYPE from from rootfs directory +CNT=`grep -ic "Colibri.iMX6" rootfs/etc/issue || true` +if [ "$CNT" -ge 1 ] ; then + echo "Colibri iMX6 rootfs detected" + MODTYPE=colibri-imx6 + IMAGEFILE=root.ext3 + U_BOOT_BINARY=u-boot.imx + KERNEL_DEVICETREE="imx6dl-colibri-eval-v3.dtb" + LOCPATH="imx_flash" + # eMMC size [in sectors of 512] + EMMC_SIZE=$(expr 1024 \* 3500 \* 2) +else + CNT=`grep -ic "imx6" rootfs/etc/issue || true` + if [ "$CNT" -ge 1 ] ; then + echo "Apalis iMX6 rootfs detected" + MODTYPE=apalis-imx6 + IMAGEFILE=root.ext3 + U_BOOT_BINARY=u-boot.imx + KERNEL_DEVICETREE="imx6q-apalis-eval.dtb imx6q-apalis-eval_v1_0.dtb" + LOCPATH="imx_flash" + # eMMC size [in sectors of 512] + EMMC_SIZE=$(expr 1024 \* 3500 \* 2) + else + echo "can not detect module type from ./rootfs/etc/issue" + echo "exiting" + exit 1 + fi +fi +BINARIES=${MODTYPE}_bin + +#is only U-Boot to be copied to RAM? +if [ "$UBOOT_RECOVERY" -ge 1 ] ; then + cd ${LOCPATH} + sudo ./imx_usb ../${BINARIES}/${U_BOOT_BINARY} + exit 1 +fi + +# is OUT_DIR an existing directory? +if [ ! -d "$OUT_DIR" ] ; then + echo "$OUT_DIR" "does not exist, exiting" + exit 1 +fi + +#sanity check for correct untared rootfs +DEV_OWNER=`ls -ld rootfs/dev | awk '{print $3}'` +if [ "${DEV_OWNER}x" != "rootx" ] +then + $ECHO -e "rootfs/dev is not owned by root, but it should!" + $ECHO -e "\033[1mPlease unpack the tarball with root rights.\033[0m" + $ECHO -e "e.g. sudo tar xjvf Apalis_iMX6_LinuxImageV2.1_20140201.tar.bz2" + exit 1 +fi + +#sanity check for existens of U-Boot and kernel +[ -e ${BINARIES}/${U_BOOT_BINARY} ] || { echo "${BINARIES}/${U_BOOT_BINARY} does not exist"; exit 1; } +[ -e ${BINARIES}/uImage ] || { echo "${BINARIES}/uImage does not exist"; exit 1; } + +#sanity check for some programs +MCOPY=`sudo which mcopy` +[ "${MCOPY}x" != "x" ] || { echo >&2 "Program mcopy not available. Aborting."; exit 1; } +sudo ${PARTED} -v >/dev/null 2>&1 || { echo >&2 "Program parted not available. Aborting."; exit 1; } +[ "${MKFSVFAT}x" != "x" ] || { echo >&2 "Program mkfs.vfat not available. Aborting."; exit 1; } +MKFSEXT3=`sudo which mkfs.ext3` +[ "${MKFSEXT3}x" != "x" ] || { echo >&2 "Program mkfs.ext3 not available. Aborting."; exit 1; } +awk -V >/dev/null 2>&1 || { echo >&2 "Program awk not available. Aborting."; exit 1; } +dd --help >/dev/null 2>&1 || { echo >&2 "Program dd not available. Aborting."; exit 1; } + +#make the directory with the outputfiles writable +sudo chown $USER: ${BINARIES} + +#make a file with the used versions for U-Boot, kernel and rootfs +rm ${BINARIES}/versions.txt +touch ${BINARIES}/versions.txt +echo "Component Versions" > ${BINARIES}/versions.txt +basename "`readlink -e ${BINARIES}/${U_BOOT_BINARY}`" >> ${BINARIES}/versions.txt +basename "`readlink -e ${BINARIES}/uImage`" >> ${BINARIES}/versions.txt +$ECHO -n "Rootfs " >> ${BINARIES}/versions.txt +grep -i imx6 rootfs/etc/issue >> ${BINARIES}/versions.txt + + +# The emmc layout used is: +# +# user area aka general purpose eMMC region: +# +# 0 -> IMAGE_ROOTFS_ALIGNMENT - reserved to bootloader (not partitioned) +# IMAGE_ROOTFS_ALIGNMENT -> BOOT_SPACE - kernel and other data +# BOOT_SPACE -> SDIMG_SIZE - rootfs +# +# Default Free space = 1.3x +# Use IMAGE_OVERHEAD_FACTOR to add more space +# <---------> +# 4MiB 16MiB SDIMG_ROOTFS 4MiB +# <-----------------------> <----------> <----------------------> <------------------------------> +# ------------------------ ------------ ------------------------ ------------------------------- +# | IMAGE_ROOTFS_ALIGNMENT | BOOT_SPACE | ROOTFS_SIZE | IMAGE_ROOTFS_ALIGNMENT | +# ------------------------ ------------ ------------------------ ------------------------------- +# ^ ^ ^ ^ ^ +# | | | | | +# 0 4096 4MiB + 16MiB 4MiB + 16Mib + SDIMG_ROOTFS 4MiB + 16MiB + SDIMG_ROOTFS + 4MiB +# +# with U-Boot at 1024, the U-Boot environment at 512 * 1024, the config block is at 640 * 1024 + + +# Boot partition [in sectors of 512] +BOOT_START=$(expr 4096 \* 2) +# Rootfs partition [in sectors of 512] +ROOTFS_START=$(expr 20480 \* 2) +# Boot partition volume id +BOOTDD_VOLUME_ID="Boot" + +#make the partition size size(rootfs used + MIN_PARTITION_FREE_SIZE) +#add about 4% to the rootfs to account for fs overhead. (/1024/985 instead of /1024/1024). +#add 512 bytes per file to account for small files +NUMBER_OF_FILES=`sudo find ${ROOTFSPATH} | wc -l` +EXT_SIZE=`sudo du -DsB1 ${ROOTFSPATH} | awk -v min=$MIN_PARTITION_FREE_SIZE -v f=${NUMBER_OF_FILES} \ + '{rootfs_size=$1+f*512;rootfs_size=int(rootfs_size/1024/985); print (rootfs_size+min) }'` + +echo "" +echo "Creating MBR file and do the partitioning" +# Initialize a sparse file +dd if=/dev/zero of=${BINARIES}/mbr.bin bs=512 count=0 seek=${EMMC_SIZE} +${PARTED} -s ${BINARIES}/mbr.bin mklabel msdos +${PARTED} -a none -s ${BINARIES}/mbr.bin unit s mkpart primary fat32 ${BOOT_START} $(expr ${ROOTFS_START} - 1 ) +# the partition spans to the end of the disk, even though the fs size will be smaller +# on the target the fs is then grown to the full size +${PARTED} -a none -s ${BINARIES}/mbr.bin unit s mkpart primary ext2 ${ROOTFS_START} $(expr ${EMMC_SIZE} \- ${ROOTFS_START} \- 1) +${PARTED} -s ${BINARIES}/mbr.bin unit s print +# get the size of the VFAT partition +BOOT_BLOCKS=$(LC_ALL=C ${PARTED} -s ${BINARIES}/mbr.bin unit b print \ + | awk '/ 1 / { print int(substr($4, 1, length($4 -1)) / 1024) }') +# now crop the file to only the MBR size +IMG_SIZE=512 +truncate -s $IMG_SIZE ${BINARIES}/mbr.bin + + +echo "" +echo "Creating VFAT partion image with the kernel" +rm -f ${BINARIES}/boot.vfat +${MKFSVFAT} -n "${BOOTDD_VOLUME_ID}" -S 512 -C ${BINARIES}/boot.vfat $BOOT_BLOCKS +export MTOOLS_SKIP_CHECK=1 +mcopy -i ${BINARIES}/boot.vfat -s ${BINARIES}/uImage ::/uImage + +# Copy device tree file +COPIED=false +if test -n "${KERNEL_DEVICETREE}"; then + for DTS_FILE in ${KERNEL_DEVICETREE}; do + DTS_BASE_NAME=`basename ${DTS_FILE} | awk -F "." '{print $1}'` + if [ -e "${BINARIES}/${KERNEL_IMAGETYPE}-${DTS_BASE_NAME}.dtb" ]; then + kernel_bin="`readlink ${BINARIES}/${KERNEL_IMAGETYPE}`" + kernel_bin_for_dtb="`readlink ${BINARIES}/${KERNEL_IMAGETYPE}-${DTS_BASE_NAME}.dtb | sed "s,$DTS_BASE_NAME,${MODTYPE},g;s,\.dtb$,.bin,g"`" + if [ "$kernel_bin" = "$kernel_bin_for_dtb" ]; then + mcopy -i ${BINARIES}/boot.vfat -s ${BINARIES}/${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGETYPE}-${DTS_BASE_NAME}.dtb ::/${DTS_BASE_NAME}.dtb + #copy also to out_dir + sudo cp ${BINARIES}/${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGETYPE}-${DTS_BASE_NAME}.dtb "$OUT_DIR/${DTS_BASE_NAME}.dtb" + COPIED=true + fi + fi + done + [ $COPIED = true ] || { echo "Did not find the devicetrees from KERNEL_DEVICETREE, ${KERNEL_DEVICETREE}. Aborting."; exit 1; } +fi + +echo "" +echo "Creating rootfs partion image" +rm -f ${BINARIES}/${IMAGEFILE} +sudo $LOCPATH/genext3fs.sh -d rootfs -b ${EXT_SIZE} ${BINARIES}/${IMAGEFILE} || exit 1 + + +#copy to $OUT_DIR +sudo cp ${BINARIES}/configblock.bin ${BINARIES}/${U_BOOT_BINARY} ${BINARIES}/uImage ${BINARIES}/mbr.bin ${BINARIES}/boot.vfat ${BINARIES}/${IMAGEFILE} ${BINARIES}/flash*.img ${BINARIES}/versions.txt "$OUT_DIR" +sync + +Flash |