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# Copyright (C) 2017 Fuzhou Rockchip Electronics Co., Ltd
# Copyright (C) 2017 Trevor Woerner <twoerner@gmail.com>
# 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_LINK_NAME}.${IMG_ROOTFS_TYPE}"
# This image depends on the rootfs image
IMAGE_TYPEDEP_rockchip-gpt-img = "${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"
GPTIMG_APPEND_tinker-rk3288 = "console=tty1 console=ttyS2,115200n8 rw root=/dev/mmcblk0p7 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"
do_image_rockchip_gpt_img[depends] = "parted-native:do_populate_sysroot \
u-boot-mkimage-native:do_populate_sysroot \
mtools-native:do_populate_sysroot \
dosfstools-native:do_populate_sysroot \
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 ${DEPLOY_DIR_IMAGE}/${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
}
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