inherit image_types IMAGE_BOOTLOADER ?= "u-boot" # Handle u-boot suffixes UBOOT_SUFFIX ?= "bin" UBOOT_PADDING ?= "0" UBOOT_SUFFIX_SDCARD ?= "${UBOOT_SUFFIX}" # # Handles i.MX mxs bootstream generation # # IMX Bootlets Linux bootstream IMAGE_DEPENDS_linux.sb = "elftosb-native imx-bootlets virtual/kernel" IMAGE_LINK_NAME_linux.sb = "" IMAGE_CMD_linux.sb () { kernel_bin="`readlink ${KERNEL_IMAGETYPE}-${MACHINE}.bin`" kernel_dtb="`readlink ${KERNEL_IMAGETYPE}-${MACHINE}.dtb || true`" linux_bd_file=imx-bootlets-linux.bd-${MACHINE} if [ `basename $kernel_bin .bin` = `basename $kernel_dtb .dtb` ]; then # When using device tree we build a zImage with the dtb # appended on the end of the image linux_bd_file=imx-bootlets-linux.bd-dtb-${MACHINE} cat $kernel_bin $kernel_dtb \ > $kernel_bin-dtb rm -f ${KERNEL_IMAGETYPE}-${MACHINE}.bin-dtb ln -s $kernel_bin-dtb ${KERNEL_IMAGETYPE}-${MACHINE}.bin-dtb fi # Ensure the file is generated rm -f ${IMAGE_NAME}.linux.sb elftosb -z -c $linux_bd_file -o ${IMAGE_NAME}.linux.sb # Remove the appended file as it is only used here rm -f $kernel_bin-dtb } # U-Boot mxsboot generation to SD-Card UBOOT_SUFFIX_SDCARD_mxs ?= "mxsboot-sdcard" IMAGE_DEPENDS_uboot.mxsboot-sdcard = "u-boot-mxsboot-native u-boot" IMAGE_CMD_uboot.mxsboot-sdcard = "mxsboot sd ${DEPLOY_DIR_IMAGE}/u-boot-${MACHINE}.${UBOOT_SUFFIX} \ ${DEPLOY_DIR_IMAGE}/u-boot-${MACHINE}.${UBOOT_SUFFIX_SDCARD}" # Boot partition volume id BOOTDD_VOLUME_ID ?= "Boot ${MACHINE}" # Boot partition size [in KiB] BOOT_SPACE ?= "8192" # Set alignment to 4MB [in KiB] IMAGE_ROOTFS_ALIGNMENT = "4096" IMAGE_DEPENDS_sdcard = "parted-native dosfstools-native mtools-native \ virtual/kernel ${IMAGE_BOOTLOADER}" SDCARD = "${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.sdcard" SDCARD_GENERATION_COMMAND_mxs = "generate_mxs_sdcard" SDCARD_GENERATION_COMMAND_mx5 = "generate_imx_sdcard" SDCARD_GENERATION_COMMAND_mx6 = "generate_imx_sdcard" # # Create an image that can by written onto a SD card using dd for use # with i.MX SoC family # # External variables needed: # ${SDCARD_ROOTFS} - the rootfs image to incorporate # ${IMAGE_BOOTLOADER} - bootloader to use {u-boot, barebox} # # The disk layout used is: # # 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 8MiB SDIMG_ROOTFS 4MiB # <-----------------------> <----------> <----------------------> <------------------------------> # ------------------------ ------------ ------------------------ ------------------------------- # | IMAGE_ROOTFS_ALIGNMENT | BOOT_SPACE | ROOTFS_SIZE | IMAGE_ROOTFS_ALIGNMENT | # ------------------------ ------------ ------------------------ ------------------------------- # ^ ^ ^ ^ ^ # | | | | | # 0 4096 4MiB + 8MiB 4MiB + 8Mib + SDIMG_ROOTFS 4MiB + 8MiB + SDIMG_ROOTFS + 4MiB generate_imx_sdcard () { # Create partition table parted -s ${SDCARD} mklabel msdos parted -s ${SDCARD} unit KiB mkpart primary ${IMAGE_ROOTFS_ALIGNMENT} $(expr ${IMAGE_ROOTFS_ALIGNMENT} \+ ${BOOT_SPACE_ALIGNED}) parted -s ${SDCARD} unit KiB mkpart primary $(expr ${IMAGE_ROOTFS_ALIGNMENT} \+ ${BOOT_SPACE_ALIGNED}) $(expr ${IMAGE_ROOTFS_ALIGNMENT} \+ ${BOOT_SPACE_ALIGNED} \+ $ROOTFS_SIZE) parted ${SDCARD} print # Burn bootloader case "${IMAGE_BOOTLOADER}" in imx-bootlets) bberror "The imx-bootlets is not supported for i.MX based machines" exit 1 ;; u-boot) dd if=${DEPLOY_DIR_IMAGE}/u-boot-${MACHINE}.${UBOOT_SUFFIX_SDCARD} of=${SDCARD} conv=notrunc seek=2 skip=${UBOOT_PADDING} bs=512 ;; barebox) dd if=${DEPLOY_DIR_IMAGE}/barebox-${MACHINE}.bin of=${SDCARD} conv=notrunc seek=1 skip=1 bs=512 dd if=${DEPLOY_DIR_IMAGE}/bareboxenv-${MACHINE}.bin of=${SDCARD} conv=notrunc seek=1 bs=512k ;; "") ;; *) bberror "Unkown IMAGE_BOOTLOADER value" exit 1 ;; esac # Create boot partition image BOOT_BLOCKS=$(LC_ALL=C parted -s ${SDCARD} unit b print \ | awk '/ 1 / { print substr($4, 1, length($4 -1)) / 1024 }') mkfs.vfat -n "${BOOTDD_VOLUME_ID}" -S 512 -C ${WORKDIR}/boot.img $BOOT_BLOCKS mcopy -i ${WORKDIR}/boot.img -s ${DEPLOY_DIR_IMAGE}/uImage-${MACHINE}.bin ::/uImage # Copy boot scripts for item in ${BOOT_SCRIPTS}; do src=`echo $item | awk -F':' '{ print $1 }'` dst=`echo $item | awk -F':' '{ print $2 }'` mcopy -i ${WORKDIR}/boot.img -s $src ::/$dst done # Copy device tree file if test -n "${KERNEL_DEVICETREE}"; then for DTS_FILE in ${KERNEL_DEVICETREE}; do DTS_BASE_NAME=`basename ${DTS_FILE} | awk -F "." '{print $1}'` if [ -e "${KERNEL_IMAGETYPE}-${DTS_BASE_NAME}.dtb" ]; then kernel_bin="`readlink ${KERNEL_IMAGETYPE}-${MACHINE}.bin`" kernel_bin_for_dtb="`readlink ${KERNEL_IMAGETYPE}-${DTS_BASE_NAME}.dtb | sed "s,$DTS_BASE_NAME,${MACHINE},g;s,\.dtb$,.bin,g"`" if [ $kernel_bin = $kernel_bin_for_dtb ]; then mcopy -i ${WORKDIR}/boot.img -s ${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGETYPE}-${DTS_BASE_NAME}.dtb ::/${DTS_BASE_NAME}.dtb fi fi done fi # Burn Partition dd if=${WORKDIR}/boot.img of=${SDCARD} conv=notrunc seek=1 bs=$(expr ${IMAGE_ROOTFS_ALIGNMENT} \* 1024) && sync && sync dd if=${SDCARD_ROOTFS} of=${SDCARD} conv=notrunc seek=1 bs=$(expr ${BOOT_SPACE_ALIGNED} \* 1024 + ${IMAGE_ROOTFS_ALIGNMENT} \* 1024) && sync && sync } # # Create an image that can by written onto a SD card using dd for use # with i.MXS SoC family # # External variables needed: # ${SDCARD_ROOTFS} - the rootfs image to incorporate # ${IMAGE_BOOTLOADER} - bootloader to use {imx-bootlets, u-boot} # generate_mxs_sdcard () { # Create partition table parted -s ${SDCARD} mklabel msdos case "${IMAGE_BOOTLOADER}" in imx-bootlets) # The disk layout used is: # # 0 -> 1024 - Unused (not partitioned) # 1024 -> BOOT_SPACE - kernel and other data (bootstream) # BOOT_SPACE -> SDIMG_SIZE - rootfs # # Default Free space = 1.3x # Use IMAGE_OVERHEAD_FACTOR to add more space # <---------> # 1024 8MiB SDIMG_ROOTFS 4MiB # <-------> <----------> <----------------------> <------------------------------> # --------------------- ------------------------ ------------------------------- # | Unused | BOOT_SPACE | ROOTFS_SIZE | IMAGE_ROOTFS_ALIGNMENT | # --------------------- ------------------------ ------------------------------- # ^ ^ ^ ^ ^ # | | | | | # 0 1024 1024 + 8MiB 1024 + 8Mib + SDIMG_ROOTFS 1024 + 8MiB + SDIMG_ROOTFS + 4MiB parted -s ${SDCARD} unit KiB mkpart primary 1024 $(expr ${IMAGE_ROOTFS_ALIGNMENT} \+ ${BOOT_SPACE_ALIGNED}) parted -s ${SDCARD} unit KiB mkpart primary $(expr ${IMAGE_ROOTFS_ALIGNMENT} \+ ${BOOT_SPACE_ALIGNED}) $(expr ${IMAGE_ROOTFS_ALIGNMENT} \+ ${BOOT_SPACE_ALIGNED} \+ $ROOTFS_SIZE) # Empty 4 bytes from boot partition dd if=/dev/zero of=${SDCARD} conv=notrunc seek=2048 count=4 # Write the bootstream in (2048 + 4) bytes dd if=${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.linux.sb of=${SDCARD} conv=notrunc seek=1 seek=2052 ;; u-boot) # The disk layout used is: # # 1M - 2M - reserved to bootloader and other data # 2M - BOOT_SPACE - kernel # BOOT_SPACE - SDCARD_SIZE - rootfs # # The disk layout used is: # # 1M -> 2M - reserved to bootloader and other data # 2M -> 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 8MiB SDIMG_ROOTFS 4MiB # <-----------------------> <-------------> <----------------------> <------------------------------> # ---------------------------------------- ------------------------ ------------------------------- # | | | |ROOTFS_SIZE | IMAGE_ROOTFS_ALIGNMENT | # ---------------------------------------- ------------------------ ------------------------------- # ^ ^ ^ ^ ^ ^ ^ # | | | | | | | # 0 1M 2M 4M 4MiB + BOOTSPACE 4MiB + BOOTSPACE + SDIMG_ROOTFS 4MiB + BOOTSPACE + SDIMG_ROOTFS + 4MiB # parted -s ${SDCARD} unit KiB mkpart primary 1024 2048 parted -s ${SDCARD} unit KiB mkpart primary 2048 $(expr ${IMAGE_ROOTFS_ALIGNMENT} \+ ${BOOT_SPACE_ALIGNED}) parted -s ${SDCARD} unit KiB mkpart primary $(expr ${IMAGE_ROOTFS_ALIGNMENT} \+ ${BOOT_SPACE_ALIGNED}) $(expr ${IMAGE_ROOTFS_ALIGNMENT} \+ ${BOOT_SPACE_ALIGNED} \+ $ROOTFS_SIZE) dd if=${DEPLOY_DIR_IMAGE}/u-boot-${MACHINE}.${UBOOT_SUFFIX_SDCARD} of=${SDCARD} conv=notrunc seek=1 skip=${UBOOT_PADDING} bs=$(expr 1024 \* 1024) BOOT_BLOCKS=$(LC_ALL=C parted -s ${SDCARD} unit b print \ | awk '/ 2 / { print substr($4, 1, length($4 -1)) / 1024 }') mkfs.vfat -n "${BOOTDD_VOLUME_ID}" -S 512 -C ${WORKDIR}/boot.img $BOOT_BLOCKS mcopy -i ${WORKDIR}/boot.img -s ${DEPLOY_DIR_IMAGE}/uImage-${MACHINE}.bin ::/uImage if test -n "${KERNEL_DEVICETREE}"; then for DTS_FILE in ${KERNEL_DEVICETREE}; do DTS_BASE_NAME=`basename ${DTS_FILE} | awk -F "." '{print $1}'` if [ -e "${KERNEL_IMAGETYPE}-${DTS_BASE_NAME}.dtb" ]; then kernel_bin="`readlink ${KERNEL_IMAGETYPE}-${MACHINE}.bin`" kernel_bin_for_dtb="`readlink ${KERNEL_IMAGETYPE}-${DTS_BASE_NAME}.dtb | sed "s,$DTS_BASE_NAME,${MACHINE},g;s,\.dtb$,.bin,g"`" if [ $kernel_bin = $kernel_bin_for_dtb ]; then mcopy -i ${WORKDIR}/boot.img -s ${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGETYPE}-${DTS_BASE_NAME}.dtb ::/${DTS_BASE_NAME}.dtb fi fi done fi dd if=${WORKDIR}/boot.img of=${SDCARD} conv=notrunc seek=2 bs=$(expr 1024 \* 1024) ;; *) bberror "Unkown IMAGE_BOOTLOADER value" exit 1 ;; esac # Change partition type for mxs processor family bbnote "Setting partition type to 0x53 as required for mxs' SoC family." echo -n S | dd of=${SDCARD} bs=1 count=1 seek=450 conv=notrunc parted ${SDCARD} print dd if=${SDCARD_ROOTFS} of=${SDCARD} conv=notrunc seek=1 bs=$(expr ${BOOT_SPACE_ALIGNED} \* 1024 + ${IMAGE_ROOTFS_ALIGNMENT} \* 1024) && sync && sync } IMAGE_CMD_sdcard () { if [ -z "${SDCARD_ROOTFS}" ]; then bberror "SDCARD_ROOTFS is undefined. To use sdcard image from Freescale's BSP it needs to be defined." exit 1 fi # Align boot partition and calculate total SD card image size BOOT_SPACE_ALIGNED=$(expr ${BOOT_SPACE} + ${IMAGE_ROOTFS_ALIGNMENT} - 1) BOOT_SPACE_ALIGNED=$(expr ${BOOT_SPACE_ALIGNED} - ${BOOT_SPACE_ALIGNED} % ${IMAGE_ROOTFS_ALIGNMENT}) SDCARD_SIZE=$(expr ${IMAGE_ROOTFS_ALIGNMENT} + ${BOOT_SPACE_ALIGNED} + $ROOTFS_SIZE + ${IMAGE_ROOTFS_ALIGNMENT}) # Initialize a sparse file dd if=/dev/zero of=${SDCARD} bs=1 count=0 seek=$(expr 1024 \* ${SDCARD_SIZE}) ${SDCARD_GENERATION_COMMAND} }