1 files changed, 76 insertions, 0 deletions

diff --git a/classes/image_types_fsl.bbclass b/classes/image_types_fsl.bbclass
new file mode 100644
index 0000000..3ae0b17
--- /dev/null
+++ b/classes/image_types_fsl.bbclass
@@ -0,0 +1,76 @@
+inherit image_types
+
+IMAGE_BOOTLOADER ?= "u-boot"
+
+# Handle u-boot suffixes
+UBOOT_SUFFIX ?= "bin"
+
+#
+# Create an image that can by written onto a SD card using dd.
+#
+# External variables needed:
+#   ${SDCARD_ROOTFS}    - the rootfs image to incorporate
+#   ${IMAGE_BOOTLOADER} - bootloader to use {u-boot, barebox}x
+#
+# The disk layout used is:
+#
+#    0  - 1M                  - reserved to bootloader and other data
+#    1M - BOOT_SPACE          - kernel
+#    BOOT_SPACE - SDCARD_SIZE - rootfs
+#
+
+# Default to 3.4GiB images
+SDCARD_SIZE ?= "3400"
+
+# Boot partition volume id
+BOOTDD_VOLUME_ID ?= "Boot ${MACHINE}"
+
+# Addional space for boot partition
+BOOT_SPACE ?= "5M"
+
+IMAGE_DEPENDS_sdcard = "parted-native dosfstools-native mtools-native \
+                        virtual/kernel ${IMAGE_BOOTLOADER}"
+
+IMAGE_CMD_sdcard () {
+        if [ -z "${SDCARD_ROOTFS}" ]; then
+                bberror "SDCARD_ROOTFS is undefined. To use sdcard image from Freescale's BSP it needs to be defined."
+                exit 1
+        fi
+
+        TMP=${WORKDIR}/tmp
+        SDCARD=${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.sdcard
+
+        dd if=/dev/zero of=${SDCARD} bs=$(expr 1000 \* 1000) count=${SDCARD_SIZE}
+
+        # Create partition table
+        parted -s ${SDCARD} mklabel msdos
+        parted -s ${SDCARD} mkpart primary 0 1M
+        parted -s ${SDCARD} mkpart primary 1M ${BOOT_SPACE}
+        parted -s ${SDCARD} mkpart primary ${BOOT_SPACE} 100%
+        parted ${SDCARD} print
+
+        case "${IMAGE_BOOTLOADER}" in
+                u-boot)
+                dd if=${DEPLOY_DIR_IMAGE}/u-boot-${MACHINE}.${UBOOT_SUFFIX} of=${SDCARD} conv=notrunc seek=2 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
+
+        BOOT_BLOCKS=$(LC_ALL=C parted -s ${SDCARD} unit b print \
+                          | awk '/ 2 / { print substr($3, 1, length($3 -1)) / 512 }')
+        mkfs.vfat -n "${BOOTDD_VOLUME_ID}" -S 512 -C ${WORKDIR}/boot.img $BOOT_BLOCKS
+        mcopy -i ${WORKDIR}/boot.img -s ${DEPLOY_DIR_IMAGE}/uImage-${MACHINE}.bin ::/uImage
+
+        dd if=${WORKDIR}/boot.img of=${SDCARD} conv=notrunc seek=1 bs=1M
+        dd if=${SDCARD_ROOTFS} of=${SDCARD} conv=notrunc seek=1 bs=${BOOT_SPACE}
+
+        cd ${DEPLOY_DIR_IMAGE}
+        ln -sf ${IMAGE_NAME}.sdcard ${DEPLOY_DIR_IMAGE}/${IMAGE_LINK_NAME}.sdcard
+}