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|
inherit image_types
IMAGE_BOOTLOADER ?= "u-boot"
# Handle u-boot suffixes
UBOOT_SUFFIX ?= "bin"
UBOOT_SUFFIX_SDCARD ?= "${UBOOT_SUFFIX}"
#
# Handles i.MX mxs bootstream generation
#
MXSBOOT_NAND_ARGS ?= ""
# IMX Bootlets barebox bootstream
do_image_barebox-mxsboot-sdcard[depends] += "elftosb-native:do_populate_sysroot \
u-boot-mxsboot-native:do_populate_sysroot \
imx-bootlets:do_deploy \
barebox:do_deploy"
IMAGE_CMD_barebox-mxsboot-sdcard () {
barebox_bd_file=imx-bootlets-barebox_ivt.bd-${MACHINE}
# Ensure the files are generated
(cd ${DEPLOY_DIR_IMAGE}; rm -f ${IMAGE_NAME}.barebox.sb ${IMAGE_NAME}.barebox-mxsboot-sdcard; \
elftosb -f mx28 -z -c $barebox_bd_file -o ${IMAGE_NAME}.barebox.sb; \
mxsboot sd ${IMAGE_NAME}.barebox.sb ${IMAGE_NAME}.barebox-mxsboot-sdcard)
}
# U-Boot mxsboot generation to SD-Card
UBOOT_SUFFIX_SDCARD_mxs ?= "mxsboot-sdcard"
do_image_uboot_mxsboot_sdcard[depends] += "u-boot-mxsboot-native:do_populate_sysroot \
u-boot:do_deploy"
IMAGE_CMD_uboot-mxsboot-sdcard = "mxsboot sd ${DEPLOY_DIR_IMAGE}/u-boot-${MACHINE}.${UBOOT_SUFFIX} \
${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.uboot-mxsboot-sdcard"
do_image_uboot_mxsboot_nand[depends] += "u-boot-mxsboot-native:do_populate_sysroot \
u-boot:do_deploy"
IMAGE_CMD_uboot-mxsboot-nand = "mxsboot ${MXSBOOT_NAND_ARGS} nand \
${DEPLOY_DIR_IMAGE}/u-boot-${MACHINE}.${UBOOT_SUFFIX} \
${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.uboot-mxsboot-nand"
# Boot partition volume id
BOOTDD_VOLUME_ID ?= "Boot ${MACHINE}"
# Boot partition size [in KiB]
BOOT_SPACE ?= "8192"
# Barebox environment size [in KiB]
BAREBOX_ENV_SPACE ?= "512"
# Set alignment to 4MB [in KiB]
IMAGE_ROOTFS_ALIGNMENT = "4096"
do_image_sdcard[depends] = "parted-native:do_populate_sysroot \
dosfstools-native:do_populate_sysroot \
mtools-native:do_populate_sysroot \
virtual/kernel:do_deploy \
${@d.getVar('IMAGE_BOOTLOADER', True) and d.getVar('IMAGE_BOOTLOADER', True) + ':do_deploy' or ''}"
SDCARD = "${IMGDEPLOYDIR}/${IMAGE_NAME}.rootfs.sdcard"
SDCARD_GENERATION_COMMAND_mxs = "generate_mxs_sdcard"
SDCARD_GENERATION_COMMAND_mx25 = "generate_imx_sdcard"
SDCARD_GENERATION_COMMAND_mx5 = "generate_imx_sdcard"
SDCARD_GENERATION_COMMAND_mx6 = "generate_imx_sdcard"
SDCARD_GENERATION_COMMAND_mx7 = "generate_imx_sdcard"
SDCARD_GENERATION_COMMAND_vf = "generate_imx_sdcard"
#
# Generate the boot image with the boot scripts and required Device Tree
# files
_generate_boot_image() {
local boot_part=$1
# Create boot partition image
BOOT_BLOCKS=$(LC_ALL=C parted -s ${SDCARD} unit b print \
| awk "/ $boot_part / { print substr(\$4, 1, length(\$4 -1)) / 1024 }")
# mkdosfs will sometimes use FAT16 when it is not appropriate,
# resulting in a boot failure from SYSLINUX. Use FAT32 for
# images larger than 512MB, otherwise let mkdosfs decide.
if [ $(expr $BOOT_BLOCKS / 1024) -gt 512 ]; then
FATSIZE="-F 32"
fi
rm -f ${WORKDIR}/boot.img
mkfs.vfat -n "${BOOTDD_VOLUME_ID}" -S 512 ${FATSIZE} -C ${WORKDIR}/boot.img $BOOT_BLOCKS
mcopy -i ${WORKDIR}/boot.img -s ${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGETYPE}-${MACHINE}.bin ::/${KERNEL_IMAGETYPE}
# 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 ${DEPLOY_DIR_IMAGE}/$src ::/$dst
done
# Copy device tree file
if test -n "${KERNEL_DEVICETREE}"; then
for DTS_FILE in ${KERNEL_DEVICETREE}; do
DTS_BASE_NAME=`basename ${DTS_FILE} .dtb`
if [ -e "${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGETYPE}-${DTS_BASE_NAME}.dtb" ]; then
kernel_bin="`readlink ${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGETYPE}-${MACHINE}.bin`"
kernel_bin_for_dtb="`readlink ${DEPLOY_DIR_IMAGE}/${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
else
bbfatal "${DTS_FILE} does not exist."
fi
done
fi
# Copy extlinux.conf to images that have U-Boot Extlinux support.
if [ "${UBOOT_EXTLINUX}" = "1" ]; then
mmd -i ${WORKDIR}/boot.img ::/extlinux
mcopy -i ${WORKDIR}/boot.img -s ${DEPLOY_DIR_IMAGE}/extlinux.conf ::/extlinux/extlinux.conf
fi
}
#
# 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 fat32 ${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)
if [ -n "${SPL_BINARY}" ]; then
dd if=${DEPLOY_DIR_IMAGE}/${SPL_BINARY} of=${SDCARD} conv=notrunc seek=2 bs=512
dd if=${DEPLOY_DIR_IMAGE}/u-boot-${MACHINE}.${UBOOT_SUFFIX_SDCARD} of=${SDCARD} conv=notrunc seek=69 bs=1K
else
dd if=${DEPLOY_DIR_IMAGE}/u-boot-${MACHINE}.${UBOOT_SUFFIX_SDCARD} of=${SDCARD} conv=notrunc seek=2 bs=512
fi
;;
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 "Unknown IMAGE_BOOTLOADER value"
exit 1
;;
esac
_generate_boot_image 1
# Burn Partition
dd if=${WORKDIR}/boot.img of=${SDCARD} conv=notrunc,fsync seek=1 bs=$(expr ${IMAGE_ROOTFS_ALIGNMENT} \* 1024)
dd if=${SDCARD_ROOTFS} of=${SDCARD} conv=notrunc,fsync seek=1 bs=$(expr ${BOOT_SPACE_ALIGNED} \* 1024 + ${IMAGE_ROOTFS_ALIGNMENT} \* 1024)
}
#
# 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} \+ $ROOTFS_SIZE)
# Empty 4 blocks from boot partition
dd if=/dev/zero of=${SDCARD} conv=notrunc seek=2048 count=4
# Write the bootstream in (2048 + 4) blocks
dd if=${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.linux.sb of=${SDCARD} conv=notrunc 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}/${IMAGE_NAME}.rootfs.uboot-mxsboot-sdcard of=${SDCARD} conv=notrunc seek=1 bs=$(expr 1024 \* 1024)
_generate_boot_image 2
dd if=${WORKDIR}/boot.img of=${SDCARD} conv=notrunc seek=2 bs=$(expr 1024 \* 1024)
;;
barebox)
# BAREBOX_ENV_SPACE is taken on BOOT_SPACE_ALIGNED but it doesn't really matter as long as the rootfs is aligned
parted -s ${SDCARD} unit KiB mkpart primary 1024 $(expr ${IMAGE_ROOTFS_ALIGNMENT} \+ ${BOOT_SPACE_ALIGNED} - ${BAREBOX_ENV_SPACE})
parted -s ${SDCARD} unit KiB mkpart primary $(expr ${IMAGE_ROOTFS_ALIGNMENT} \+ ${BOOT_SPACE_ALIGNED} - ${BAREBOX_ENV_SPACE}) $(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}/${IMAGE_NAME}.barebox-mxsboot-sdcard of=${SDCARD} conv=notrunc seek=1 bs=$(expr 1024 \* 1024)
dd if=${DEPLOY_DIR_IMAGE}/bareboxenv-${MACHINE}.bin of=${SDCARD} conv=notrunc seek=$(expr ${IMAGE_ROOTFS_ALIGNMENT} \+ ${BOOT_SPACE_ALIGNED} - ${BAREBOX_ENV_SPACE}) bs=1024
;;
*)
bberror "Unknown IMAGE_BOOTLOADER value"
exit 1
;;
esac
# Change partition type for mxs processor family
bbnote "Setting partition type to 0x53 as required for mxs' SoC family."
echo -n S | dd of=${SDCARD} bs=1 count=1 seek=450 conv=notrunc
parted ${SDCARD} print
dd if=${SDCARD_ROOTFS} of=${SDCARD} conv=notrunc,fsync seek=1 bs=$(expr ${BOOT_SPACE_ALIGNED} \* 1024 + ${IMAGE_ROOTFS_ALIGNMENT} \* 1024)
}
IMAGE_CMD_sdcard () {
bbwarn "The '${MACHINE}' is using the i.MX 'sdcard' image format which is deprecated. This image type is going to be removed in next release so please convert this machine to use the wic tool"
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}
}
# The sdcard requires the rootfs filesystem to be built before using
# it so we must make this dependency explicit.
IMAGE_TYPEDEP_sdcard_append = " ${@d.getVar('SDCARD_ROOTFS', 1).split('.')[-1]}"
# In case we are building for i.MX23 or i.MX28 we need to have the
# image stream built before the sdcard generation
IMAGE_TYPEDEP_sdcard_append = " \
${@bb.utils.contains('IMAGE_FSTYPES', 'uboot-mxsboot-sdcard', 'uboot-mxsboot-sdcard', '', d)} \
${@bb.utils.contains('IMAGE_FSTYPES', 'barebox-mxsboot-sdcard', 'barebox-mxsboot-sdcard', '', d)} \
"
|