meta-digi-arm: rework SD card generation class
This is needed in the context of CC6 variants 0x7 and 0x9 (EMMC-less). Changes: * Do not use 'meta-fsl-arm' image generation class: removed include and override SDCARD generation function * Use same VFAT boot image for EMMC and SD card. The u-boot bootscript has been adapted to be able to boot Linux from both SD and EMMC. Signed-off-by: Javier Viguera <javier.viguera@digi.com> (cherry picked from commit 8b8456b8fd90facd92dfc87632effa582ca60475)
This commit is contained in:
Javier Viguera
parent
d9b4d0731e
commit
6b31e716a5
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@ -1,4 +1,11 @@
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inherit image_types_fsl
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inherit image_types
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IMAGE_DEPENDS_boot.vfat = " \
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dosfstools-native:do_populate_sysroot \
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mtools-native:do_populate_sysroot \
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u-boot:do_deploy \
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virtual/kernel:do_deploy \
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"
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IMAGE_CMD_boot.vfat() {
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#
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@ -34,6 +41,13 @@ IMAGE_CMD_boot.vfat() {
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mkfs.vfat -n "Boot ${MACHINE}" -S 512 -C ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.boot.vfat ${BOOTIMG_BLOCKS}
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mcopy -i ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.boot.vfat ${BOOTIMG_FILES_SYMLINK} ::/
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# Copy boot scripts into the VFAT image
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for item in ${BOOT_SCRIPTS}; do
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src=`echo $item | awk -F':' '{ print $1 }'`
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dst=`echo $item | awk -F':' '{ print $2 }'`
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mcopy -i ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.boot.vfat -s ${DEPLOY_DIR_IMAGE}/$src ::/$dst
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done
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# Truncate the image to speed up the downloading/writing to the EMMC
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if [ -n "${BOARD_BOOTIMAGE_PARTITION_SIZE}" ]; then
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# U-Boot writes 512 bytes sectors so truncate the image at a sector boundary
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@ -58,32 +72,93 @@ IMAGE_CMD_rootfs.initramfs() {
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}
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IMAGE_TYPEDEP_rootfs.initramfs = "cpio.gz"
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SDCARD_GENERATION_COMMAND_ccardimx28js = "generate_ccardimx28js_sdcard"
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# Set alignment to 4MB [in KiB]
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IMAGE_ROOTFS_ALIGNMENT = "4096"
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# Boot partition size in KiB, (default 64MiB)
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BOARD_BOOTIMAGE_PARTITION_SIZE ??= "65536"
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# SD card image name
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SDIMG = "${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.sdcard"
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SDIMG_BOOTFS_TYPE ?= "boot.vfat"
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SDIMG_BOOTFS = "${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.${SDIMG_BOOTFS_TYPE}"
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SDIMG_ROOTFS_TYPE ?= "ext4"
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SDIMG_ROOTFS = "${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.${SDIMG_ROOTFS_TYPE}"
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IMAGE_DEPENDS_sdcard = " \
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dosfstools-native:do_populate_sysroot \
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mtools-native:do_populate_sysroot \
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parted-native:do_populate_sysroot \
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u-boot:do_deploy \
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virtual/kernel:do_deploy \
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"
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#
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# Create an image that can by written onto a SD card using dd for use with ccardimx28js
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#
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# External variables needed:
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# ${SDCARD_ROOTFS} - the rootfs image to incorporate
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# Create an image that can by written onto a SD card using dd.
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#
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# The disk layout used is:
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#
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# 1M -> IMAGE_ROOTFS_ALIGNMENT - u-boot bootstream
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# IMAGE_ROOTFS_ALIGNMENT -> BOOT_SPACE - kernel + device tree blob (VFAT partition)
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# BOOT_SPACE -> SDIMG_SIZE - rootfs (EXT4 partition)
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# 1. Not partitioned : reserved for bootloader (u-boot)
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# 2. BOOT PARTITION : kernel and device tree blobs
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# 3. ROOTFS PARTITION : rootfs
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#
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# Default Free space = 1.3x
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# Use IMAGE_OVERHEAD_FACTOR to add more space
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# <--------->
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# 4MiB 8MiB SDIMG_ROOTFS 4MiB
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# <-----------------------> <-------------> <----------------------> <------------------------------>
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# ---------------------------------------- ------------------------ -------------------------------
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# | | | BOOT_SPACE | ROOTFS_SIZE | IMAGE_ROOTFS_ALIGNMENT |
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# ---------------------------------------- ------------------------ -------------------------------
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# ^ ^ ^ ^ ^ ^
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# | | | | | |
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# 0 1M 4M 4MiB + BOOTSPACE 4MiB + BOOTSPACE + SDIMG_ROOTFS 4MiB + BOOTSPACE + SDIMG_ROOTFS + 4MiB
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# 4MiB BOOT_SPACE ROOTFS_SIZE
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# <------------> <--------------------> <------------------------------>
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# +--------------+----------------------+--------------------------------+
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# | U-BOOT (RAW) | BOOT PARTITION (FAT) | ROOTFS PARTITION (EXT4) |
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# +--------------+----------------------+--------------------------------+
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# ^ ^ ^ ^
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# | | | |
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# 0 4MiB 4MiB + BOOT_SPACE SDIMG_SIZE
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#
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generate_ccardimx28js_sdcard() {
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IMAGE_CMD_sdcard() {
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# Align boot partition and calculate total sdcard image size
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BOOT_SPACE_ALIGNED="$(expr \( \( ${BOARD_BOOTIMAGE_PARTITION_SIZE} + ${IMAGE_ROOTFS_ALIGNMENT} - 1 \) / ${IMAGE_ROOTFS_ALIGNMENT} \) \* ${IMAGE_ROOTFS_ALIGNMENT})"
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SDIMG_SIZE="$(expr ${IMAGE_ROOTFS_ALIGNMENT} + ${BOOT_SPACE_ALIGNED} + $ROOTFS_SIZE)"
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# Initialize sdcard image file
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dd if=/dev/zero of=${SDIMG} bs=1024 count=0 seek=${SDIMG_SIZE}
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# Create partition table, boot partition (with bootable flag) and rootfs partition (to the end of the disk)
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parted -s ${SDIMG} mklabel msdos
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parted -s ${SDIMG} unit KiB mkpart primary fat32 ${IMAGE_ROOTFS_ALIGNMENT} $(expr ${IMAGE_ROOTFS_ALIGNMENT} \+ ${BOOT_SPACE_ALIGNED})
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parted -s ${SDIMG} set 1 boot on
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parted -s ${SDIMG} -- unit KiB mkpart primary ext2 $(expr ${IMAGE_ROOTFS_ALIGNMENT} \+ ${BOOT_SPACE_ALIGNED}) -1s
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parted -s ${SDIMG} unit KiB print
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# Burn bootloader, boot and rootfs partitions
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dd if=${DEPLOY_DIR_IMAGE}/${UBOOT_SYMLINK} of=${SDIMG} conv=notrunc,fsync seek=2 bs=512
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dd if=${SDIMG_BOOTFS} of=${SDIMG} conv=notrunc,fsync seek=1 bs=$(expr ${IMAGE_ROOTFS_ALIGNMENT} \* 1024)
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dd if=${SDIMG_ROOTFS} of=${SDIMG} conv=notrunc,fsync seek=1 bs=$(expr ${IMAGE_ROOTFS_ALIGNMENT} \* 1024 + ${BOOT_SPACE_ALIGNED} \* 1024)
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}
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#
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# Create an image that can by written onto a SD card using dd (for ccardimx28 family)
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#
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# The disk layout used is:
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#
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# 1. Not partitioned : reserved for bootloader (u-boot at 1MiB offset)
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# 2. BOOT PARTITION : kernel and device tree blobs
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# 3. ROOTFS PARTITION : rootfs
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#
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# 4MiB BOOT_SPACE ROOTFS_SIZE
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# <----------------> <--------------------> <------------------------------>
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# +---+--------------+----------------------+--------------------------------+
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# | | U-BOOT (RAW) | BOOT PARTITION (FAT) | ROOTFS PARTITION (EXT4) |
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# +---+--------------+----------------------+--------------------------------+
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# ^ ^ ^ ^ ^
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# | | | | |
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# 0 1MiB 4MiB 4MiB + BOOT_SPACE SDIMG_SIZE
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#
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IMAGE_CMD_sdcard_ccardimx28() {
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# Align boot partition and calculate total sdcard image size
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BOOT_SPACE_ALIGNED="$(expr \( \( ${BOARD_BOOTIMAGE_PARTITION_SIZE} + ${IMAGE_ROOTFS_ALIGNMENT} - 1 \) / ${IMAGE_ROOTFS_ALIGNMENT} \) \* ${IMAGE_ROOTFS_ALIGNMENT})"
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SDIMG_SIZE="$(expr ${IMAGE_ROOTFS_ALIGNMENT} + ${BOOT_SPACE_ALIGNED} + $ROOTFS_SIZE)"
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# Initialize sdcard image file
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dd if=/dev/zero of=${SDIMG} bs=1024 count=0 seek=${SDIMG_SIZE}
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#
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# Bootstream header for u-boot at 1M offset
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#
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@ -100,45 +175,23 @@ generate_ccardimx28js_sdcard() {
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# format does not work well with 'dash' shell
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PRINTF="$(which printf)"
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parted -s ${SDCARD} mklabel msdos
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parted -s ${SDCARD} unit KiB mkpart primary 1024 ${IMAGE_ROOTFS_ALIGNMENT}
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parted -s ${SDCARD} unit KiB mkpart primary fat32 ${IMAGE_ROOTFS_ALIGNMENT} $(expr ${IMAGE_ROOTFS_ALIGNMENT} \+ ${BOOT_SPACE_ALIGNED})
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parted -s ${SDCARD} unit KiB mkpart primary $(expr ${IMAGE_ROOTFS_ALIGNMENT} \+ ${BOOT_SPACE_ALIGNED}) $(expr ${IMAGE_ROOTFS_ALIGNMENT} \+ ${BOOT_SPACE_ALIGNED} \+ $ROOTFS_SIZE)
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# Create partition table, boot partition (with bootable flag) and rootfs partition (to the end of the disk)
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parted -s ${SDIMG} mklabel msdos
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parted -s ${SDIMG} unit KiB mkpart primary 1024 ${IMAGE_ROOTFS_ALIGNMENT}
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parted -s ${SDIMG} unit KiB mkpart primary fat32 ${IMAGE_ROOTFS_ALIGNMENT} $(expr ${IMAGE_ROOTFS_ALIGNMENT} \+ ${BOOT_SPACE_ALIGNED})
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parted -s ${SDIMG} set 2 boot on
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parted -s ${SDIMG} -- unit KiB mkpart primary ext2 $(expr ${IMAGE_ROOTFS_ALIGNMENT} \+ ${BOOT_SPACE_ALIGNED}) -1s
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parted -s ${SDIMG} unit KiB print
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# Change partition type to 0x53 for mxs processor family
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echo -n S | dd of=${SDCARD} bs=1 count=1 seek=450 conv=notrunc
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# Change partition type to 0x53 for mxs processor family and write bootstream header
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echo -n S | dd of=${SDIMG} bs=1 count=1 seek=450 conv=notrunc
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${PRINTF} "${BS_HDR}" | dd of=${SDIMG} bs=512 seek=$(expr 1024 \* 2) conv=notrunc,sync
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${PRINTF} "${BS_HDR}" | dd of=${SDCARD} bs=512 seek=$(expr 1024 \* 2) conv=notrunc,sync
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dd if=${DEPLOY_DIR_IMAGE}/${UBOOT_SYMLINK} of=${SDCARD} bs=512 seek=$(expr 1024 \* 2 \+ 1) conv=notrunc,sync
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BOOT_BLOCKS=$(LC_ALL=C parted -s ${SDCARD} unit b print \
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| awk '/ 2 / { print substr($4, 1, length($4 -1)) / 1024 }')
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mkfs.vfat -n "${BOOTDD_VOLUME_ID}" -S 512 -C ${WORKDIR}/boot.img $BOOT_BLOCKS
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mcopy -i ${WORKDIR}/boot.img -s ${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGETYPE}-${MACHINE}.bin ::/${KERNEL_IMAGETYPE}
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# Copy boot scripts
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for item in ${BOOT_SCRIPTS}; do
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src=`echo $item | awk -F':' '{ print $1 }'`
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dst=`echo $item | awk -F':' '{ print $2 }'`
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mcopy -i ${WORKDIR}/boot.img -s ${DEPLOY_DIR_IMAGE}/$src ::/$dst
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done
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# Copy kernel image and dtb's
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if test -n "${KERNEL_DEVICETREE}"; then
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for DTS_FILE in ${KERNEL_DEVICETREE}; do
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DTS_BASE_NAME=`basename ${DTS_FILE} | awk -F "." '{print $1}'`
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if [ -e "${KERNEL_IMAGETYPE}-${DTS_BASE_NAME}.dtb" ]; then
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kernel_bin="`readlink ${KERNEL_IMAGETYPE}-${MACHINE}.bin`"
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kernel_bin_for_dtb="`readlink ${KERNEL_IMAGETYPE}-${DTS_BASE_NAME}.dtb | sed "s,$DTS_BASE_NAME,${MACHINE},g;s,\.dtb$,.bin,g"`"
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if [ $kernel_bin = $kernel_bin_for_dtb ]; then
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mcopy -i ${WORKDIR}/boot.img -s ${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGETYPE}-${DTS_BASE_NAME}.dtb ::/${DTS_BASE_NAME}.dtb
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fi
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fi
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done
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fi
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# Burn partitions
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dd if=${WORKDIR}/boot.img of=${SDCARD} conv=notrunc seek=1 bs=$(expr ${IMAGE_ROOTFS_ALIGNMENT} \* 1024) && sync && sync
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dd if=${SDCARD_ROOTFS} of=${SDCARD} conv=notrunc seek=1 bs=$(expr ${BOOT_SPACE_ALIGNED} \* 1024 + ${IMAGE_ROOTFS_ALIGNMENT} \* 1024) && sync && sync
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# Burn bootloader, boot and rootfs partitions
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dd if=${DEPLOY_DIR_IMAGE}/${UBOOT_SYMLINK} of=${SDIMG} conv=notrunc,fsync seek=$(expr 1024 \* 2 \+ 1) bs=512
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dd if=${SDIMG_BOOTFS} of=${SDIMG} conv=notrunc,fsync seek=1 bs=$(expr ${IMAGE_ROOTFS_ALIGNMENT} \* 1024)
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dd if=${SDIMG_ROOTFS} of=${SDIMG} conv=notrunc,fsync seek=1 bs=$(expr ${IMAGE_ROOTFS_ALIGNMENT} \* 1024 + ${BOOT_SPACE_ALIGNED} \* 1024)
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}
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# The sdcard image requires the boot and rootfs images to be built before
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IMAGE_TYPEDEP_sdcard = "${SDIMG_BOOTFS_TYPE} ${SDIMG_ROOTFS_TYPE}"
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@ -27,10 +27,9 @@ BT_TTY ?= "${@base_conditional('IS_KERNEL_2X', '1' , 'ttySP0', 'ttyAPP0', d)}"
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CON_TTY ?= "${@base_conditional('IS_KERNEL_2X', '1' , 'ttyAM0', 'ttyAMA0', d)}"
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# U-Boot script to be copied to the SD image
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BOOT_SCRIPTS = "boot-sd.scr:boot.scr"
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BOOT_SCRIPTS = "boot.scr:boot.scr"
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# Flash image types
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SDCARD_ROOTFS ?= "${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.ext4"
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IMAGE_FSTYPES ?= "jffs2.sum sdcard tar.bz2 ubifs"
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# FLASH parameters
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@ -30,12 +30,8 @@ SERIAL_CONSOLES = "115200;ttymxc3"
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# Bluetooth tty
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BT_TTY ?= "ttymxc1"
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# U-Boot script to be copied to the SD image
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BOOT_SCRIPTS = "boot-sd.scr:boot.scr"
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# Boot partition size in KiB, (default 64MiB)
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BOARD_BOOTIMAGE_PARTITION_SIZE ?= "65536"
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# U-Boot script to be copied to the boot image
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BOOT_SCRIPTS = "boot.scr:boot.scr"
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# Flash image types
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SDCARD_ROOTFS ?= "${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.ext4"
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IMAGE_FSTYPES ?= "boot.vfat ext4 sdcard tar.bz2"
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@ -1,3 +1,3 @@
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setenv kimg uimage
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setenv kimg uimage-ccardimx28js.bin
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setenv mmc_rpart /dev/mmcblk0p3
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dboot linux mmc 0:2 fat
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@ -10,7 +10,7 @@
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# | U-BOOT (RAW) | BOOT_PARTITION (FAT) | ROOTFS_PARTITION (EXT4) |
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# +--------------+----------------------+-------------------------+
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#
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setenv fdtimg imx28-ccardimx28js.dtb
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setenv kimg uimage
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setenv fdtimg uimage-imx28-ccardimx28js.dtb
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setenv kimg uimage-ccardimx28js.bin
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setenv mmc_rpart /dev/mmcblk0p3
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dboot linux mmc 0:2
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@ -1,16 +0,0 @@
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#
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# U-Boot bootscript for SD images created by Yocto.
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#
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# Layout:
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# * U-Boot (raw copied)
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# * Boot partion (FAT) with kernel images and DTB
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# * Rootfs partion (EXT4)
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#
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# +--------------+----------------------+-------------------------+
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# | U-BOOT (RAW) | BOOT_PARTITION (FAT) | ROOTFS_PARTITION (EXT4) |
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# +--------------+----------------------+-------------------------+
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#
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setenv mmcroot /dev/mmcblk${mmcdev}p2
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setenv uimage uImage
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setenv fdt_file imx6q-${board}.dtb
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dboot linux mmc ${mmcdev}:${mmcpart}
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@ -0,0 +1,11 @@
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#
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# U-Boot bootscript for EMMC/SD images created by Yocto.
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#
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# To detect if we are booting from SD card we get the UUID of the
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# boot partition and compare with the default one for the EMMC
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part uuid mmc ${mmcdev}:${mmcpart} bootpart
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if test "${bootpart}" != "${part1_uuid}"; then
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setenv mmcroot /dev/mmcblk${mmcdev}p2
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fi
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dboot linux mmc ${mmcdev}:${mmcpart}
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@ -9,7 +9,7 @@ PROVIDES += "u-boot"
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LICENSE = "GPLv2+"
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LIC_FILES_CHKSUM = "file://COPYING;md5=4c6cde5df68eff615d36789dc18edd3b"
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SRC_URI_append_mxs = " file://boot-sd.txt"
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SRC_URI_append_mxs = " file://boot.txt"
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S = "${WORKDIR}/git"
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@ -19,7 +19,7 @@ EXTRA_OEMAKE += 'HOSTSTRIP=true'
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EXTRA_OEMAKE_append_mxs = ' BOOTLETS_DIR=${STAGING_DIR_TARGET}/boot'
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do_deploy_append_mxs() {
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mkimage -T script -n bootscript -C none -d ${WORKDIR}/boot-sd.txt ${DEPLOYDIR}/boot-sd.scr
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mkimage -T script -n bootscript -C none -d ${WORKDIR}/boot.txt ${DEPLOYDIR}/boot.scr
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}
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COMPATIBLE_MACHINE = "(mxs|mx5)"
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@ -9,7 +9,7 @@ PROVIDES += "u-boot"
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LICENSE = "GPLv2+"
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LIC_FILES_CHKSUM = "file://COPYING;md5=1707d6db1d42237583f50183a5651ecb"
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SRC_URI += "file://boot-sd.txt"
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SRC_URI += "file://boot.txt"
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S = "${WORKDIR}/git"
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@ -20,7 +20,7 @@ do_compile_prepend() {
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}
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do_deploy_append() {
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mkimage -T script -n bootscript -C none -d ${WORKDIR}/boot-sd.txt ${DEPLOYDIR}/boot-sd.scr
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mkimage -T script -n bootscript -C none -d ${WORKDIR}/boot.txt ${DEPLOYDIR}/boot.scr
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}
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COMPATIBLE_MACHINE = "(ccardimx28)"
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@ -9,7 +9,7 @@ PROVIDES += "u-boot"
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LICENSE = "GPLv2+"
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LIC_FILES_CHKSUM = "file://COPYING;md5=1707d6db1d42237583f50183a5651ecb"
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SRC_URI += "file://boot-sd.txt"
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SRC_URI += "file://boot.txt"
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S = "${WORKDIR}/git"
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@ -20,7 +20,7 @@ do_compile_prepend() {
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}
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do_deploy_append() {
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mkimage -T script -n bootscript -C none -d ${WORKDIR}/boot-sd.txt ${DEPLOYDIR}/boot-sd.scr
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mkimage -T script -n bootscript -C none -d ${WORKDIR}/boot.txt ${DEPLOYDIR}/boot.scr
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}
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COMPATIBLE_MACHINE = "(ccimx6)"
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