classes: rockchip-gpt-img: add

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+# Copyright (C) 2017 Fuzhou Rockchip Electronics Co., Ltd
+# Copyright (C) 2017 Trevor Woerner <[email protected]>
+# Released under the MIT license (see COPYING.MIT for the terms)
+
+inherit image_types
+
+# Use an uncompressed ext4 by default as rootfs
+IMG_ROOTFS_TYPE = "ext4"
+IMG_ROOTFS = "${IMGDEPLOYDIR}/${IMAGE_NAME}.rootfs.${IMG_ROOTFS_TYPE}"
+
+# This image depends on the rootfs image
+IMAGE_TYPEDEP_rockchip-gpt-img = "${IMG_ROOTFS_TYPE}"
+
+GPTIMG         = "${IMAGE_NAME}-gpt.img"
+GPTIMG_SYMLK   = "${IMAGE_BASENAME}-${MACHINE}-gpt.img"
+GPTIMG_SIZE   ?= "4096"
+BOOT_IMG       = "boot.img"
+BOOTIMG_SYMLK  = "${IMAGE_BASENAME}-${MACHINE}-${BOOT_IMG}"
+MINILOADER     = "loader.bin"
+UBOOT          = "u-boot.out"
+TRUST          = "trust.out"
+GPTIMG_APPEND ?= "console=tty1 console=ttyS2,115200n8 rw root=/dev/mmcblk2p7 rootfstype=ext4 init=/sbin/init"
+
+# default partitions [in Sectors]
+# More info at http://rockchip.wikidot.com/partitions
+LOADER1_SIZE = "8000"
+RESERVED1_SIZE = "128"
+RESERVED2_SIZE = "8192"
+LOADER2_SIZE = "8192"
+ATF_SIZE = "8192"
+BOOT_SIZE = "229376"
+
+IMAGE_DEPENDS_rockchip-gpt-img = "parted-native \
+	u-boot-mkimage-native \
+	mtools-native \
+	dosfstools-native \
+	virtual/kernel:do_deploy \
+	virtual/bootloader:do_deploy"
+
+PER_CHIP_IMG_GENERATION_COMMAND_rk3288 = "generate_rk3288_loader1_image"
+
+IMAGE_CMD_rockchip-gpt-img () {
+	# Change to image directory
+	cd ${DEPLOY_DIR_IMAGE}
+
+	# Remove the existing image symlinks
+	rm -f "${GPTIMG_SYMLK}"
+	rm -f "${BOOTIMG_SYMLK}"
+
+	create_rk_image
+
+	${PER_CHIP_IMG_GENERATION_COMMAND}
+
+	# create symlink to full GPT image
+	cd ${DEPLOY_DIR_IMAGE}
+	ln -s ${GPTIMG} ${GPTIMG_SYMLK}
+
+	# create per-build boot.img with symlink
+	cd ${DEPLOY_DIR_IMAGE}
+	rm -f ${IMAGE_NAME}-boot.img
+	if [ -f ${WORKDIR}/${BOOT_IMG} ]; then
+		cp ${WORKDIR}/${BOOT_IMG} ${IMAGE_NAME}-boot.img
+	fi
+	ln -s ${IMAGE_NAME}-boot.img ${BOOTIMG_SYMLK}
+}
+
+create_rk_image () {
+
+	# Initialize sdcard image file
+	dd if=/dev/zero of=${GPTIMG} bs=1M count=0 seek=${GPTIMG_SIZE}
+
+	# Create partition table
+	parted -s ${GPTIMG} mklabel gpt
+
+	# Create vendor defined partitions
+	LOADER1_START=64
+	RESERVED1_START=`expr ${LOADER1_START}  + ${LOADER1_SIZE}`
+	RESERVED2_START=`expr ${RESERVED1_START}  + ${RESERVED1_SIZE}`
+	LOADER2_START=`expr ${RESERVED2_START}  + ${RESERVED2_SIZE}`
+	ATF_START=`expr ${LOADER2_START}  + ${LOADER2_SIZE}`
+	BOOT_START=`expr ${ATF_START}  + ${ATF_SIZE}`
+	ROOTFS_START=`expr ${BOOT_START}  + ${BOOT_SIZE}`
+
+	parted -s ${GPTIMG} unit s mkpart loader1 ${LOADER1_START} `expr ${RESERVED1_START} - 1`
+	parted -s ${GPTIMG} unit s mkpart reserved1 ${RESERVED1_START} `expr ${RESERVED2_START} - 1`
+	parted -s ${GPTIMG} unit s mkpart reserved2 ${RESERVED2_START} `expr ${LOADER2_START} - 1`
+	parted -s ${GPTIMG} unit s mkpart loader2 ${LOADER2_START} `expr ${ATF_START} - 1`
+	parted -s ${GPTIMG} unit s mkpart atf ${ATF_START} `expr ${BOOT_START} - 1`
+
+	# Create boot partition and mark it as bootable
+	parted -s ${GPTIMG} unit s mkpart boot ${BOOT_START} `expr ${ROOTFS_START} - 1`
+	parted -s ${GPTIMG} set 6 boot on
+
+	# Create rootfs partition
+	parted -s ${GPTIMG} unit s mkpart root ${ROOTFS_START} 100%
+
+	parted ${GPTIMG} print
+
+	# Delete the boot image to avoid trouble with the build cache
+	rm -f ${WORKDIR}/${BOOT_IMG}
+
+	# Create boot partition image
+	BOOT_BLOCKS=$(LC_ALL=C parted -s ${GPTIMG} unit b print | awk '/ 6 / { print substr($4, 1, length($4 -1)) / 512 /2 }')
+	BOOT_BLOCKS=`expr $BOOT_BLOCKS / 63 \* 63`
+
+	mkfs.vfat -n "boot" -S 512 -C ${WORKDIR}/${BOOT_IMG} $BOOT_BLOCKS
+	mcopy -i ${WORKDIR}/${BOOT_IMG} -s ${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGETYPE}-${MACHINE}.bin ::${KERNEL_IMAGETYPE}
+
+	DEVICETREE_DEFAULT=""
+	for DTS_FILE in ${KERNEL_DEVICETREE}; do
+		[ -n "${DEVICETREE_DEFAULT}"] && DEVICETREE_DEFAULT="${DTS_FILE}"
+		mcopy -i ${WORKDIR}/${BOOT_IMG} -s ${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGETYPE}-${DTS_FILE} ::${DTS_FILE}
+	done
+
+	# Create extlinux config file
+	cat > ${WORKDIR}/extlinux.conf <<EOF
+default yocto
+
+label yocto
+	kernel /${KERNEL_IMAGETYPE}
+	devicetree /${DEVICETREE_DEFAULT}
+	append ${GPTIMG_APPEND}
+EOF
+
+	mmd -i ${WORKDIR}/${BOOT_IMG} ::/extlinux
+	mcopy -i ${WORKDIR}/${BOOT_IMG} -s ${WORKDIR}/extlinux.conf ::/extlinux/
+
+	# Burn Boot Partition
+	dd if=${WORKDIR}/${BOOT_IMG} of=${GPTIMG} conv=notrunc,fsync seek=${BOOT_START}
+
+	# Burn Rootfs Partition
+	dd if=${IMG_ROOTFS} of=${GPTIMG} seek=${ROOTFS_START}
+
+}
+
+generate_rk3288_loader1_image () {
+
+	# Burn bootloader
+	mkimage -n rk3288 -T rksd -d ${DEPLOY_DIR_IMAGE}/${SPL_BINARY} ${WORKDIR}/${UBOOT}
+	cat ${DEPLOY_DIR_IMAGE}/u-boot-${MACHINE}.bin >>  ${WORKDIR}/${UBOOT}
+	dd if=${WORKDIR}/${UBOOT} of=${GPTIMG} conv=notrunc,fsync seek=64
+
+}