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|
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} \
${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.uboot.mxsboot-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"
SDCARD_GENERATION_COMMAND_vf60 = "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 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)
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 ${DEPLOY_DIR_IMAGE}/${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 $src ::/$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}/${IMAGE_NAME}.rootfs.uboot.mxsboot-sdcard of=${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 ${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGETYPE}-${MACHINE}.bin ::/${KERNEL_IMAGETYPE}
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}
}
|