diff options
| -rw-r--r-- | meta-agl-bsp/classes/sdcard_image-socfpga.bbclass | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/meta-agl-bsp/classes/sdcard_image-socfpga.bbclass b/meta-agl-bsp/classes/sdcard_image-socfpga.bbclass new file mode 100644 index 000000000..e1f7b1846 --- /dev/null +++ b/meta-agl-bsp/classes/sdcard_image-socfpga.bbclass @@ -0,0 +1,181 @@ +inherit image_types + +# Create an sdcard image suitable for the atlas board +# This is copied from the raspberrypi and freescale sdcard classes + +# Disk layout +# 0 -> 8*1024 - reserverd +# 8*1024 -> 32*1024 - +# 32*1024 -> 1024*1024 - +# 1024*1024 -> BOOT_SPACE - bootloader and kernel in Part 3 +# BOOT_SPACE*1024 -> FAT_SPACE + + + +# This image depends on the rootfs image +IMAGE_TYPEDEP_socfpga-sdimg = "${SDIMG_ROOTFS_TYPE}" + +# Boot partition volume id +BOOTDD_VOLUME_ID ?= "${MACHINE}" + +# Boot partition size [in KiB] -> size 2M for A10 +BOOT_SPACE ?= "2048" + +# Fat partition size +FAT_SPACE ?= "102400" + +# uBoot ENV offset +SDIMG_UBOOT_ENV_OFFSET ?= "512" +ENV_BASE_NAME ??= "${UBOOT_CONFIG}" + +# Boot partition begin at sector 1024 +# This is required as for c5/a5 mainline uboot hard codes the location +# of the uboot image in the sdcard to 0xa00 sector +IMAGE_ROOTFS_ALIGNMENT = "1024" + +# ROOTFS_SIZE_MOD ?= "524288" +ROOTFS_SIZE_MOD ?= "16384" + +# Use an uncompressed ext3 by default as rootfs +SDIMG_ROOTFS_TYPE = "ext3" +SDIMG_ROOTFS = "${IMGDEPLOYDIR}/${IMAGE_NAME}.rootfs.${SDIMG_ROOTFS_TYPE}" + + +do_image_socfpga-sdimg[depends] += " \ + parted-native:do_populate_sysroot \ + mtools-native:do_populate_sysroot \ + dosfstools-native:do_populate_sysroot \ + virtual/kernel:do_deploy \ + virtual/bootloader:do_deploy \ + " + +rootfs[depends] += "virtual/kernel:do_deploy" + +# SD card image name +SDIMG = "${IMGDEPLOYDIR}/${IMAGE_NAME}.rootfs.socfpga-sdimg" + +IMAGEDATESTAMP = "${@time.strftime('%Y.%m.%d',time.gmtime())}" + +# After uboot v2016.05 the boot partition number was changed from 3 to 1 so as a +# result we need 2 different functions for creating the boot partitions just to +# change the partition creation order + +SOCFPGA_SDIMG_PARTITION_COMMAND ?= "generate_sdcard_partitions" + +generate_sdcard_partitions () { + + # Create partition table + parted -s ${SDIMG} mklabel msdos + # P1: Fat partition + parted -s ${SDIMG} unit KiB mkpart primary fat32 $(expr ${IMAGE_ROOTFS_ALIGNMENT} \+ ${BOOT_SPACE_ALIGNED}) $(expr ${IMAGE_ROOTFS_ALIGNMENT} \+ ${BOOT_SPACE_ALIGNED} \+ ${FAT_SPACE_ALIGNED}) + # set fat partition as bootable for distroboot + parted -s ${SDIMG} set 1 boot on + # P2: Linux FS partition + parted -s ${SDIMG} unit KiB mkpart primary $(expr ${IMAGE_ROOTFS_ALIGNMENT} \+ ${BOOT_SPACE_ALIGNED} \+ ${FAT_SPACE_ALIGNED}) $(expr ${IMAGE_ROOTFS_ALIGNMENT} \+ ${BOOT_SPACE_ALIGNED} \+ ${FAT_SPACE_ALIGNED} \+ ${ROOTFS_SIZE_ALIGNED}) + # P3: A2 partition for bootloader + parted -s ${SDIMG} unit KiB mkpart primary ${IMAGE_ROOTFS_ALIGNMENT} $(expr ${BOOT_SPACE_ALIGNED} \+ ${IMAGE_ROOTFS_ALIGNMENT}) + + # set part 3 to type a2 for spl / uboot image + # 446 to partition table, 16 bytes per entry, 4 byte offset to partition type + echo -ne "\xa2" | dd of=${SDIMG} bs=1 count=1 seek=$(expr 446 + 16 + 16 + 4) conv=notrunc && sync && sync + + # Create a vfat image with boot files + FAT_BLOCKS=$(LC_ALL=C parted -s ${SDIMG} unit b print | awk '/ 1 / { print substr($4, 1, length($4 -1)) / 512 /2 }') + rm -f ${WORKDIR}/fat.img + mkfs.vfat -n "${BOOTDD_VOLUME_ID}" -S 512 -C ${WORKDIR}/fat.img $FAT_BLOCKS + +} + +IMAGE_CMD_socfpga-sdimg () { + + # Align partitions + BOOT_SPACE_ALIGNED=$(expr ${BOOT_SPACE} + ${IMAGE_ROOTFS_ALIGNMENT} - 1) + BOOT_SPACE_ALIGNED=$(expr ${BOOT_SPACE_ALIGNED} - ${BOOT_SPACE_ALIGNED} % ${IMAGE_ROOTFS_ALIGNMENT}) + FAT_SPACE_ALIGNED=$(expr ${FAT_SPACE} + ${IMAGE_ROOTFS_ALIGNMENT} - 1) + FAT_SPACE_ALIGNED=$(expr ${FAT_SPACE_ALIGNED} - ${FAT_SPACE_ALIGNED} % ${IMAGE_ROOTFS_ALIGNMENT}) + + ROOTFS_SIZE_ALIGNED=$(expr ${ROOTFS_SIZE} \+ ${ROOTFS_SIZE_MOD}) + ROOTFS_SIZE_ALIGNED=$(expr ${ROOTFS_SIZE_ALIGNED} \- ${ROOTFS_SIZE_ALIGNED} \% ${ROOTFS_SIZE_MOD}) + + SDIMG_SIZE=$(expr ${IMAGE_ROOTFS_ALIGNMENT} + ${BOOT_SPACE_ALIGNED} + ${FAT_SPACE_ALIGNED} + ${ROOTFS_SIZE_ALIGNED} + ${IMAGE_ROOTFS_ALIGNMENT}) + + # Initialize sdcard image file + dd if=/dev/zero of=${SDIMG} bs=1 count=0 seek=$(expr 1024 \* ${SDIMG_SIZE}) && sync && sync + + # Create partition table + ${SOCFPGA_SDIMG_PARTITION_COMMAND} + + # Copy kernel image + mcopy -i ${WORKDIR}/fat.img -s ${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGETYPE}-${MACHINE}.bin ::/${KERNEL_IMAGETYPE} + + # Copy boot scripts + if [ -e "${DEPLOY_DIR_IMAGE}/${MACHINE}.scr" ] + then + mcopy -i ${WORKDIR}/fat.img -s ${DEPLOY_DIR_IMAGE}/${MACHINE}.scr ::/u-boot.scr + fi + + # 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 $1}'` + if [ -e "${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}/fat.img -s ${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGETYPE}-${DTS_BASE_NAME}.dtb ::/${DTS_BASE_NAME}.dtb + fi + fi + done + fi + + # copy extlinux stuff + if [ "${UBOOT_EXTLINUX}" = "1" ] + then + if [ -e "${DEPLOY_DIR_IMAGE}/extlinux.conf" ] + then + rm -Rf ${WORKDIR}/extlinux + mkdir ${WORKDIR}/extlinux + cp ${DEPLOY_DIR_IMAGE}/extlinux.conf ${WORKDIR}/extlinux/ + mcopy -i ${WORKDIR}/fat.img -s ${WORKDIR}/extlinux ::/ + fi + + fi + + # copy any files listed as extra files + if test -n "${SOCFPGA_SDIMG_EXTRA_FILES}"; then + for EXTRA_FILE in ${SOCFPGA_SDIMG_EXTRA_FILES}; do + if [ -e "${DEPLOY_DIR_IMAGE}/${EXTRA_FILE}" ]; then + mcopy -i ${WORKDIR}/fat.img -s ${DEPLOY_DIR_IMAGE}/${EXTRA_FILE} ::/${EXTRA_FILE} + fi + done + fi + + # Add stamp file + echo "${IMAGE_NAME}-${IMAGEDATESTAMP}" > ${WORKDIR}/image-version-info + mcopy -i ${WORKDIR}/fat.img -v ${WORKDIR}//image-version-info :: + + # Burn Partitions + dd if=${WORKDIR}/fat.img of=${SDIMG} conv=notrunc seek=1 bs=$(expr 1024 \* ${BOOT_SPACE_ALIGNED} \+ ${IMAGE_ROOTFS_ALIGNMENT} \* 1024) && sync && sync + # If SDIMG_ROOTFS_TYPE is a .xz file use xzcat + if echo "${SDIMG_ROOTFS_TYPE}" | egrep -q "*\.xz" + then + xzcat ${SDIMG_ROOTFS} | dd of=${SDIMG} conv=notrunc seek=1 bs=$(expr 1024 \* ${BOOT_SPACE_ALIGNED} + 1024 \* ${FAT_SPACE_ALIGNED} \+ ${IMAGE_ROOTFS_ALIGNMENT} \* 1024) && sync && sync + else + dd if=${SDIMG_ROOTFS} of=${SDIMG} conv=notrunc seek=1 bs=$(expr 1024 \* ${BOOT_SPACE_ALIGNED} + 1024 \* ${FAT_SPACE_ALIGNED} \+ ${IMAGE_ROOTFS_ALIGNMENT} \* 1024) && sync && sync + fi + + if [ -e "${DEPLOY_DIR_IMAGE}/${SPL_BINARY}-${UBOOT_CONFIG}" ] + then + dd if=${DEPLOY_DIR_IMAGE}/${SPL_BINARY}-${UBOOT_CONFIG} of=${SDIMG} conv=notrunc seek=1 bs=$(expr ${IMAGE_ROOTFS_ALIGNMENT} \* 1024) && sync && sync + elif [ -e "${DEPLOY_DIR_IMAGE}/${SPL_BINARY}" ] + then + dd if=${DEPLOY_DIR_IMAGE}/${SPL_BINARY} of=${SDIMG} conv=notrunc seek=1 bs=$(expr ${IMAGE_ROOTFS_ALIGNMENT} \* 1024) && sync && sync + else + bbfatal "${SPL_BINARY} does not exist." + fi + + if [ -e "${DEPLOY_DIR_IMAGE}/u-boot-env-${ENV_BASE_NAME}.bin" ]; then + dd if=${DEPLOY_DIR_IMAGE}/u-boot-env-${ENV_BASE_NAME}.bin of=${SDIMG} conv=notrunc bs=1 seek=${SDIMG_UBOOT_ENV_OFFSET} && sync && sync + fi + +} |