diff --git a/.github/workflows/hi3516cv200_images.yml b/.github/workflows/hi3516cv200_images.yml
new file mode 100644
index 00000000..5980b794
--- /dev/null
+++ b/.github/workflows/hi3516cv200_images.yml
@@ -0,0 +1,134 @@
+name: OpenIPC for Hi3516Cv200
+
+on:
+  push:
+    branches:
+      - master
+    tags:
+      - "v*"
+  workflow_dispatch:
+
+jobs:
+  build_core:
+    name: OpenIPC v2.1 for Hi3516Cv200
+    runs-on: ubuntu-18.04
+
+    steps:
+
+      - name: Checkout
+        id: checkout
+        uses: actions/checkout@v2
+
+      - name: Install build dependencies
+        id: install
+        run: |
+          make install-deps
+          mkdir -p tmp
+
+      - name: Free disk space
+        id: freshing
+        run: |
+          sudo swapoff -a
+          sudo rm -f /swapfile
+          sudo apt clean
+          docker rmi $(docker image ls -aq)
+          df -h
+
+      - name: Prepare buildroot
+        id: prepare
+        run: |
+          HEAD_TAG=$(git tag --points-at HEAD)
+          GIT_HASH=$(git rev-parse --short $GITHUB_SHA)
+          BRANCH_NAME=$(echo $GITHUB_REF | cut -d'/' -f 3)
+          if [ -z "$HEAD_TAG" ]; then
+            TAG_NAME="latest"
+            RELEASE_NAME="Development Build"
+            PRERELEASE=true
+          else
+            TAG_NAME=${{ github.ref }}
+            RELEASE_NAME="Release ${{ github.ref }}"
+            PRERELEASE=false
+          fi
+          echo "GIT_HASH=$GIT_HASH" >> $GITHUB_ENV
+          echo "TAG_NAME=$TAG_NAME" >> $GITHUB_ENV
+          echo "RELEASE_NAME=$RELEASE_NAME" >> $GITHUB_ENV
+          echo "PRERELEASE=$PRERELEASE" >> $GITHUB_ENV
+          echo "BRANCH_NAME=$BRANCH_NAME" >> $GITHUB_ENV
+          cd $GITHUB_WORKSPACE
+          make prepare
+
+      - name: Build Hi3516Cv200 firmware
+        id: build-hi3516cv200-firmware
+        continue-on-error: true
+        run: |
+          ARCHIVE_FW="${GITHUB_WORKSPACE}/output/images/openipc.hi3516cv200-br.tgz"
+          echo "ARCHIVE_FW=$ARCHIVE_FW" >> $GITHUB_ENV
+          cd $GITHUB_WORKSPACE
+          make PLATFORM=hisilicon BOARD=unknown_unknown_hi3516cv200_openipc all
+          [[ $(stat --printf="%s" ${GITHUB_WORKSPACE}/output/images/uImage) -gt 2097152 ]] && echo "TG_NOTIFY=Warning, kernel size exceeded : $(stat --printf="%s" ${GITHUB_WORKSPACE}/output/images/uImage) vs 2097152" >> $GITHUB_ENV && exit 1
+          [[ $(stat --printf="%s" ${GITHUB_WORKSPACE}/output/images/rootfs.squashfs) -gt 5242880 ]] && echo "TG_NOTIFY=Warning, rootfs size exceeded - $(stat --printf="%s" ${GITHUB_WORKSPACE}/output/images/rootfs.squashfs) vs 5242880" >> $GITHUB_ENV && exit 1
+          mv ${GITHUB_WORKSPACE}/output/images/uImage ${GITHUB_WORKSPACE}/output/images/uImage.hi3516cv200
+          mv ${GITHUB_WORKSPACE}/output/images/rootfs.squashfs ${GITHUB_WORKSPACE}/output/images/rootfs.squashfs.hi3516cv200
+          tar -C ${GITHUB_WORKSPACE}/output/images -cvzf $ARCHIVE_FW rootfs.squashfs.hi3516cv200 uImage.hi3516cv200
+
+      - name: Build Hi3516Cv200 SDK
+        id: build-hi3516cv200-sdk
+        continue-on-error: true
+        run: |
+          ARCHIVE_SDK="${GITHUB_WORKSPACE}/output/images/arm-openipc-linux-musleabi_sdk-buildroot.tar.gz"
+          echo "ARCHIVE_SDK=$ARCHIVE_SDK" >> $GITHUB_ENV
+          cd $GITHUB_WORKSPACE/output
+          make sdk
+
+      - name: Send warning message to telegram channel
+        env:
+          TG_TOKEN: ${{ secrets.TELEGRAM_TOKEN_BOT_OPENIPC }}
+          TG_CHANNEL: ${{ secrets.TELEGRAM_CHANNEL_OPENIPC_DEV }}
+        if: steps.build-hi3516cv200-firmware.outcome != 'success' || steps.build-hi3516cv200-sdk.outcome != 'success'
+        run: |
+          TG_OPTIONS="-s --connect-timeout 30 --max-time 30"
+          TG_NOTIFY="${TG_NOTIFY:=Warning, Buildroot compiling error... HI3516CV200}"
+          TG_HEADER=$(echo -e "\r\n$TG_NOTIFY \r\n\r\nCommit: $GIT_HASH \r\nBranch: $BRANCH_NAME \r\nTag: $TAG_NAME \r\n\r\n\xE2\x9A\xA0 GitHub Actions")
+          curl $TG_OPTIONS -H "Content-Type: multipart/form-data" -X POST https://api.telegram.org/bot$TG_TOKEN/sendMessage \
+            -F chat_id=$TG_CHANNEL -F text="$TG_HEADER"
+
+      - name: Create release
+        uses: actions/create-release@v1
+        continue-on-error: true
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          tag_name: ${{ env.TAG_NAME }}
+          release_name: ${{ env.RELEASE_NAME }}
+          draft: false
+          prerelease: ${{ env.PRERELEASE }}
+
+      - name: Upload FW to release
+        uses: svenstaro/upload-release-action@v2
+        continue-on-error: true
+        with:
+          repo_token: ${{ secrets.GITHUB_TOKEN }}
+          file: ${{ env.ARCHIVE_FW }}
+          asset_name: "openipc.hi3516cv200-br.tgz"
+          tag: ${{ env.TAG_NAME }}
+          overwrite: true
+
+      - name: Upload SDK to release
+        uses: svenstaro/upload-release-action@v2
+        continue-on-error: true
+        with:
+          repo_token: ${{ secrets.GITHUB_TOKEN }}
+          file: ${{ env.ARCHIVE_SDK }}
+          asset_name: "arm-openipc-hi3516cv200-linux-musleabi_sdk-buildroot.tar.gz"
+          tag: ${{ env.TAG_NAME }}
+          overwrite: true
+
+      - name: Send binary file to telegram channel
+        env:
+          TG_TOKEN: ${{ secrets.TELEGRAM_TOKEN_BOT_OPENIPC }}
+          TG_CHANNEL: ${{ secrets.TELEGRAM_CHANNEL_OPENIPC_DEV }}
+        run: |
+          TG_OPTIONS="-s --connect-timeout 30 --max-time 30"
+          TG_HEADER=$(echo -e "\r\nCommit: $GIT_HASH \r\nBranch: $BRANCH_NAME \r\nTag: $TAG_NAME \r\n\r\n\xE2\x9C\x85 GitHub Actions")
+          curl $TG_OPTIONS -H "Content-Type: multipart/form-data" -X POST https://api.telegram.org/bot$TG_TOKEN/sendDocument \
+            -F chat_id=$TG_CHANNEL -F document="@$ARCHIVE_FW" -F caption="$TG_HEADER"
diff --git a/br-ext-chip-hisilicon/board/hi3516cv200/kernel/hi3516cv200.generic.config b/br-ext-chip-hisilicon/board/hi3516cv200/kernel/hi3516cv200.generic.config
index 4defa317..5a0e4e36 100644
--- a/br-ext-chip-hisilicon/board/hi3516cv200/kernel/hi3516cv200.generic.config
+++ b/br-ext-chip-hisilicon/board/hi3516cv200/kernel/hi3516cv200.generic.config
@@ -946,21 +946,22 @@ CONFIG_BLK_DEV_RAM_SIZE=65536
 #
 # SCSI device support
 #
-CONFIG_SCSI_MOD=y
+CONFIG_SCSI_MOD=m
 # CONFIG_RAID_ATTRS is not set
-CONFIG_SCSI=y
+CONFIG_SCSI=m
 CONFIG_SCSI_DMA=y
-# CONFIG_SCSI_NETLINK is not set
+CONFIG_SCSI_NETLINK=y
 # CONFIG_SCSI_MQ_DEFAULT is not set
-CONFIG_SCSI_PROC_FS=y
+# CONFIG_SCSI_PROC_FS is not set
 
 #
 # SCSI support type (disk, tape, CD-ROM)
 #
-CONFIG_BLK_DEV_SD=y
+CONFIG_BLK_DEV_SD=m
 # CONFIG_CHR_DEV_ST is not set
 # CONFIG_CHR_DEV_OSST is not set
-# CONFIG_BLK_DEV_SR is not set
+CONFIG_BLK_DEV_SR=m
+# CONFIG_BLK_DEV_SR_VENDOR is not set
 # CONFIG_CHR_DEV_SG is not set
 # CONFIG_CHR_DEV_SCH is not set
 # CONFIG_SCSI_CONSTANTS is not set
@@ -994,7 +995,7 @@ CONFIG_NET_CORE=y
 # CONFIG_NETCONSOLE is not set
 # CONFIG_NETPOLL is not set
 # CONFIG_NET_POLL_CONTROLLER is not set
-# CONFIG_TUN is not set
+CONFIG_TUN=y
 # CONFIG_TUN_VNET_CROSS_LE is not set
 # CONFIG_VETH is not set
 # CONFIG_NLMON is not set
@@ -1089,7 +1090,7 @@ CONFIG_FIXED_PHY=y
 # CONFIG_MICREL_KS8995MA is not set
 # CONFIG_PPP is not set
 # CONFIG_SLIP is not set
-CONFIG_USB_NET_DRIVERS=y
+CONFIG_USB_NET_DRIVERS=m
 # CONFIG_USB_CATC is not set
 # CONFIG_USB_KAWETH is not set
 # CONFIG_USB_PEGASUS is not set
@@ -1110,7 +1111,7 @@ CONFIG_USB_NET_DRIVERS=y
 #
 # Input device support
 #
-CONFIG_INPUT=y
+# CONFIG_INPUT is not set
 # CONFIG_INPUT_FF_MEMLESS is not set
 # CONFIG_INPUT_POLLDEV is not set
 # CONFIG_INPUT_SPARSEKMAP is not set
@@ -1119,86 +1120,17 @@ CONFIG_INPUT=y
 #
 # Userland interfaces
 #
-CONFIG_INPUT_MOUSEDEV=y
-CONFIG_INPUT_MOUSEDEV_PSAUX=y
-CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024
-CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
-CONFIG_INPUT_JOYDEV=y
-CONFIG_INPUT_EVDEV=y
+# CONFIG_INPUT_MOUSEDEV is not set
+# CONFIG_INPUT_JOYDEV is not set
+# CONFIG_INPUT_EVDEV is not set
 # CONFIG_INPUT_EVBUG is not set
 
 #
 # Input Device Drivers
 #
-CONFIG_INPUT_KEYBOARD=y
-# CONFIG_KEYBOARD_ADP5588 is not set
-# CONFIG_KEYBOARD_ADP5589 is not set
-CONFIG_KEYBOARD_ATKBD=y
-# CONFIG_KEYBOARD_QT1070 is not set
-# CONFIG_KEYBOARD_QT2160 is not set
-# CONFIG_KEYBOARD_LKKBD is not set
-# CONFIG_KEYBOARD_GPIO is not set
-# CONFIG_KEYBOARD_GPIO_POLLED is not set
-# CONFIG_KEYBOARD_TCA6416 is not set
-# CONFIG_KEYBOARD_TCA8418 is not set
-# CONFIG_KEYBOARD_MATRIX is not set
-# CONFIG_KEYBOARD_LM8333 is not set
-# CONFIG_KEYBOARD_MAX7359 is not set
-# CONFIG_KEYBOARD_MCS is not set
-# CONFIG_KEYBOARD_MPR121 is not set
-# CONFIG_KEYBOARD_NEWTON is not set
-# CONFIG_KEYBOARD_OPENCORES is not set
-# CONFIG_KEYBOARD_SAMSUNG is not set
-# CONFIG_KEYBOARD_STOWAWAY is not set
-# CONFIG_KEYBOARD_SUNKBD is not set
-# CONFIG_KEYBOARD_OMAP4 is not set
-# CONFIG_KEYBOARD_XTKBD is not set
-# CONFIG_KEYBOARD_CAP11XX is not set
-# CONFIG_KEYBOARD_BCM is not set
-CONFIG_INPUT_MOUSE=y
-CONFIG_MOUSE_PS2=y
-CONFIG_MOUSE_PS2_ALPS=y
-CONFIG_MOUSE_PS2_BYD=y
-CONFIG_MOUSE_PS2_LOGIPS2PP=y
-CONFIG_MOUSE_PS2_SYNAPTICS=y
-CONFIG_MOUSE_PS2_CYPRESS=y
-CONFIG_MOUSE_PS2_TRACKPOINT=y
-# CONFIG_MOUSE_PS2_ELANTECH is not set
-# CONFIG_MOUSE_PS2_SENTELIC is not set
-# CONFIG_MOUSE_PS2_TOUCHKIT is not set
-CONFIG_MOUSE_PS2_FOCALTECH=y
-# CONFIG_MOUSE_SERIAL is not set
-# CONFIG_MOUSE_APPLETOUCH is not set
-# CONFIG_MOUSE_BCM5974 is not set
-# CONFIG_MOUSE_CYAPA is not set
-# CONFIG_MOUSE_ELAN_I2C is not set
-# CONFIG_MOUSE_VSXXXAA is not set
-# CONFIG_MOUSE_GPIO is not set
-# CONFIG_MOUSE_SYNAPTICS_I2C is not set
-# CONFIG_MOUSE_SYNAPTICS_USB is not set
-CONFIG_INPUT_JOYSTICK=y
-# CONFIG_JOYSTICK_ANALOG is not set
-# CONFIG_JOYSTICK_A3D is not set
-# CONFIG_JOYSTICK_ADI is not set
-# CONFIG_JOYSTICK_COBRA is not set
-# CONFIG_JOYSTICK_GF2K is not set
-# CONFIG_JOYSTICK_GRIP is not set
-# CONFIG_JOYSTICK_GRIP_MP is not set
-# CONFIG_JOYSTICK_GUILLEMOT is not set
-# CONFIG_JOYSTICK_INTERACT is not set
-# CONFIG_JOYSTICK_SIDEWINDER is not set
-# CONFIG_JOYSTICK_TMDC is not set
-# CONFIG_JOYSTICK_IFORCE is not set
-# CONFIG_JOYSTICK_WARRIOR is not set
-# CONFIG_JOYSTICK_MAGELLAN is not set
-# CONFIG_JOYSTICK_SPACEORB is not set
-# CONFIG_JOYSTICK_SPACEBALL is not set
-# CONFIG_JOYSTICK_STINGER is not set
-# CONFIG_JOYSTICK_TWIDJOY is not set
-# CONFIG_JOYSTICK_ZHENHUA is not set
-# CONFIG_JOYSTICK_AS5011 is not set
-# CONFIG_JOYSTICK_JOYDUMP is not set
-# CONFIG_JOYSTICK_XPAD is not set
+# CONFIG_INPUT_KEYBOARD is not set
+# CONFIG_INPUT_MOUSE is not set
+# CONFIG_INPUT_JOYSTICK is not set
 # CONFIG_INPUT_TABLET is not set
 # CONFIG_INPUT_TOUCHSCREEN is not set
 # CONFIG_INPUT_MISC is not set
@@ -1313,7 +1245,7 @@ CONFIG_I2C_HELPER_AUTO=y
 # CONFIG_I2C_PARPORT_LIGHT is not set
 # CONFIG_I2C_ROBOTFUZZ_OSIF is not set
 # CONFIG_I2C_TAOS_EVM is not set
-# CONFIG_I2C_TINY_USB is not set
+CONFIG_I2C_TINY_USB=y
 
 #
 # Other I2C/SMBus bus drivers
@@ -1605,10 +1537,10 @@ CONFIG_MFD_SYSCON=y
 #
 # Frame buffer Devices
 #
-CONFIG_FB=y
+# CONFIG_FB is not set
 # CONFIG_FIRMWARE_EDID is not set
-CONFIG_FB_CMDLINE=y
-CONFIG_FB_NOTIFY=y
+# CONFIG_FB_CMDLINE is not set
+# CONFIG_FB_NOTIFY is not set
 # CONFIG_FB_DDC is not set
 # CONFIG_FB_BOOT_VESA_SUPPORT is not set
 # CONFIG_FB_CFB_FILLRECT is not set
@@ -1664,23 +1596,23 @@ CONFIG_HID_GENERIC=y
 #
 # Special HID drivers
 #
-CONFIG_HID_A4TECH=y
+# CONFIG_HID_A4TECH is not set
 # CONFIG_HID_ACRUX is not set
-CONFIG_HID_APPLE=y
+# CONFIG_HID_APPLE is not set
 # CONFIG_HID_APPLEIR is not set
 # CONFIG_HID_AUREAL is not set
-CONFIG_HID_BELKIN=y
+# CONFIG_HID_BELKIN is not set
 # CONFIG_HID_BETOP_FF is not set
-CONFIG_HID_CHERRY=y
-CONFIG_HID_CHICONY=y
+# CONFIG_HID_CHERRY is not set
+# CONFIG_HID_CHICONY is not set
 # CONFIG_HID_CMEDIA is not set
 # CONFIG_HID_CP2112 is not set
-CONFIG_HID_CYPRESS=y
+# CONFIG_HID_CYPRESS is not set
 # CONFIG_HID_DRAGONRISE is not set
 # CONFIG_HID_EMS_FF is not set
 # CONFIG_HID_ELECOM is not set
 # CONFIG_HID_ELO is not set
-CONFIG_HID_EZKEY=y
+# CONFIG_HID_EZKEY is not set
 # CONFIG_HID_GEMBIRD is not set
 # CONFIG_HID_GFRM is not set
 # CONFIG_HID_HOLTEK is not set
@@ -1691,18 +1623,18 @@ CONFIG_HID_EZKEY=y
 # CONFIG_HID_GYRATION is not set
 # CONFIG_HID_ICADE is not set
 # CONFIG_HID_TWINHAN is not set
-CONFIG_HID_KENSINGTON=y
+# CONFIG_HID_KENSINGTON is not set
 # CONFIG_HID_LCPOWER is not set
 # CONFIG_HID_LENOVO is not set
-CONFIG_HID_LOGITECH=y
+# CONFIG_HID_LOGITECH is not set
 # CONFIG_HID_LOGITECH_HIDPP is not set
 # CONFIG_LOGITECH_FF is not set
 # CONFIG_LOGIRUMBLEPAD2_FF is not set
 # CONFIG_LOGIG940_FF is not set
 # CONFIG_LOGIWHEELS_FF is not set
 # CONFIG_HID_MAGICMOUSE is not set
-CONFIG_HID_MICROSOFT=y
-CONFIG_HID_MONTEREY=y
+# CONFIG_HID_MICROSOFT is not set
+# CONFIG_HID_MONTEREY is not set
 # CONFIG_HID_MULTITOUCH is not set
 # CONFIG_HID_NTRIG is not set
 # CONFIG_HID_ORTEK is not set
@@ -1794,7 +1726,7 @@ CONFIG_USB_OHCI_HCD_PLATFORM=y
 #
 # also be needed; see USB_STORAGE Help for more info
 #
-CONFIG_USB_STORAGE=y
+CONFIG_USB_STORAGE=m
 # CONFIG_USB_STORAGE_DEBUG is not set
 # CONFIG_USB_STORAGE_REALTEK is not set
 # CONFIG_USB_STORAGE_DATAFAB is not set
@@ -2089,15 +2021,7 @@ CONFIG_HI_DMAC_CHANNEL_NUM=4
 #
 # CONFIG_EXT2_FS is not set
 # CONFIG_EXT3_FS is not set
-CONFIG_EXT4_FS=y
-CONFIG_EXT4_USE_FOR_EXT2=y
-# CONFIG_EXT4_FS_POSIX_ACL is not set
-# CONFIG_EXT4_FS_SECURITY is not set
-# CONFIG_EXT4_ENCRYPTION is not set
-# CONFIG_EXT4_DEBUG is not set
-CONFIG_JBD2=y
-# CONFIG_JBD2_DEBUG is not set
-CONFIG_FS_MBCACHE=y
+# CONFIG_EXT4_FS is not set
 # CONFIG_REISERFS_FS is not set
 # CONFIG_JFS_FS is not set
 # CONFIG_XFS_FS is not set
@@ -2105,7 +2029,13 @@ CONFIG_FS_MBCACHE=y
 # CONFIG_OCFS2_FS is not set
 # CONFIG_BTRFS_FS is not set
 # CONFIG_NILFS2_FS is not set
-# CONFIG_F2FS_FS is not set
+CONFIG_F2FS_FS=m
+# CONFIG_F2FS_FS_XATTR is not set
+# CONFIG_F2FS_FS_POSIX_ACL is not set
+# CONFIG_F2FS_FS_SECURITY is not set
+# CONFIG_F2FS_CHECK_FS is not set
+# CONFIG_F2FS_FS_ENCRYPTION is not set
+# CONFIG_F2FS_FAULT_INJECTION is not set
 CONFIG_FS_POSIX_ACL=y
 CONFIG_EXPORTFS=y
 # CONFIG_EXPORTFS_BLOCK_OPS is not set
@@ -2120,7 +2050,7 @@ CONFIG_INOTIFY_USER=y
 # CONFIG_QUOTACTL is not set
 # CONFIG_AUTOFS4_FS is not set
 # CONFIG_FUSE_FS is not set
-# CONFIG_OVERLAY_FS is not set
+CONFIG_OVERLAY_FS=y
 
 #
 # Caches
@@ -2136,9 +2066,9 @@ CONFIG_INOTIFY_USER=y
 #
 # DOS/FAT/NT Filesystems
 #
-CONFIG_FAT_FS=y
-CONFIG_MSDOS_FS=y
-CONFIG_VFAT_FS=y
+CONFIG_FAT_FS=m
+# CONFIG_MSDOS_FS is not set
+CONFIG_VFAT_FS=m
 CONFIG_FAT_DEFAULT_CODEPAGE=437
 CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
 # CONFIG_FAT_DEFAULT_UTF8 is not set
@@ -2167,19 +2097,7 @@ CONFIG_MISC_FILESYSTEMS=y
 # CONFIG_BEFS_FS is not set
 # CONFIG_BFS_FS is not set
 # CONFIG_EFS_FS is not set
-CONFIG_YAFFS_FS=y
-CONFIG_YAFFS_YAFFS1=y
-# CONFIG_YAFFS_9BYTE_TAGS is not set
-# CONFIG_YAFFS_DOES_ECC is not set
-CONFIG_YAFFS_YAFFS2=y
-CONFIG_YAFFS_AUTO_YAFFS2=y
-# CONFIG_YAFFS_DISABLE_TAGS_ECC is not set
-# CONFIG_YAFFS_ALWAYS_CHECK_CHUNK_ERASED is not set
-# CONFIG_YAFFS_EMPTY_LOST_AND_FOUND is not set
-# CONFIG_YAFFS_DISABLE_BLOCK_REFRESHING is not set
-# CONFIG_YAFFS_DISABLE_BACKGROUND is not set
-# CONFIG_YAFFS_DISABLE_BAD_BLOCK_MARKING is not set
-CONFIG_YAFFS_XATTR=y
+# CONFIG_YAFFS_FS is not set
 CONFIG_JFFS2_FS=y
 CONFIG_JFFS2_FS_DEBUG=0
 CONFIG_JFFS2_FS_WRITEBUFFER=y
@@ -2191,11 +2109,7 @@ CONFIG_JFFS2_ZLIB=y
 # CONFIG_JFFS2_LZO is not set
 CONFIG_JFFS2_RTIME=y
 # CONFIG_JFFS2_RUBIN is not set
-CONFIG_UBIFS_FS=y
-# CONFIG_UBIFS_FS_ADVANCED_COMPR is not set
-CONFIG_UBIFS_FS_LZO=y
-CONFIG_UBIFS_FS_ZLIB=y
-# CONFIG_UBIFS_ATIME_SUPPORT is not set
+# CONFIG_UBIFS_FS is not set
 # CONFIG_LOGFS is not set
 # CONFIG_CRAMFS is not set
 CONFIG_SQUASHFS=y
@@ -2224,7 +2138,7 @@ CONFIG_SQUASHFS_FRAGMENT_CACHE_SIZE=3
 # CONFIG_UFS_FS is not set
 CONFIG_NETWORK_FILESYSTEMS=y
 CONFIG_NFS_FS=y
-CONFIG_NFS_V2=y
+# CONFIG_NFS_V2 is not set
 CONFIG_NFS_V3=y
 CONFIG_NFS_V3_ACL=y
 # CONFIG_NFS_V4 is not set
diff --git a/br-ext-chip-hisilicon/board/hi3516cv200/kernel/patches/hi3516cv200_kernel-4.9.37_sdk-1.0.5.0.patch b/br-ext-chip-hisilicon/board/hi3516cv200/kernel/patches/00_hi3516cv200_kernel-4.9.37_sdk-1.0.5.0.patch
similarity index 100%
rename from br-ext-chip-hisilicon/board/hi3516cv200/kernel/patches/hi3516cv200_kernel-4.9.37_sdk-1.0.5.0.patch
rename to br-ext-chip-hisilicon/board/hi3516cv200/kernel/patches/00_hi3516cv200_kernel-4.9.37_sdk-1.0.5.0.patch
diff --git a/br-ext-chip-hisilicon/board/hi3516cv200/kernel/patches/11_fix_yylloc_for_modern_computers.patch b/br-ext-chip-hisilicon/board/hi3516cv200/kernel/patches/11_fix_yylloc_for_modern_computers.patch
new file mode 100644
index 00000000..2a670230
--- /dev/null
+++ b/br-ext-chip-hisilicon/board/hi3516cv200/kernel/patches/11_fix_yylloc_for_modern_computers.patch
@@ -0,0 +1,11 @@
+--- a/scripts/dtc/dtc-lexer.lex.c_shipped	2016-08-28 13:19:20.000000000 +0300
++++ b/scripts/dtc/dtc-lexer.lex.c_shipped	2021-04-02 00:06:02.972781070 +0300
+@@ -637,7 +637,7 @@
+ #include "srcpos.h"
+ #include "dtc-parser.tab.h"
+ 
+-YYLTYPE yylloc;
++extern YYLTYPE yylloc;
+ extern bool treesource_error;
+ 
+ /* CAUTION: this will stop working if we ever use yyless() or yyunput() */
diff --git a/br-ext-chip-hisilicon/configs/unknown_unknown_hi3516cv200_openipc_defconfig b/br-ext-chip-hisilicon/configs/unknown_unknown_hi3516cv200_openipc_defconfig
new file mode 100644
index 00000000..d8555c8f
--- /dev/null
+++ b/br-ext-chip-hisilicon/configs/unknown_unknown_hi3516cv200_openipc_defconfig
@@ -0,0 +1,96 @@
+# Architecture
+BR2_arm=y
+BR2_cortex_a7=y
+BR2_ARM_EABI=y
+BR2_ARM_INSTRUCTIONS_THUMB=y
+BR2_KERNEL_HEADERS_VERSION=y
+BR2_DEFAULT_KERNEL_VERSION="4.9.37"
+BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_4_9=y
+
+# Toolchain
+BR2_PER_PACKAGE_DIRECTORIES=y
+BR2_GCC_VERSION_7_X=y
+# BR2_TOOLCHAIN_USES_UCLIBC is not set
+# BR2_TOOLCHAIN_BUILDROOT_UCLIBC is not set
+# BR2_TOOLCHAIN_BUILDROOT_LIBC="uclibc"
+BR2_TOOLCHAIN_USES_MUSL=y
+BR2_TOOLCHAIN_BUILDROOT_MUSL=y
+BR2_TOOLCHAIN_BUILDROOT_LIBC="musl"
+# BR2_TOOLCHAIN_BUILDROOT_CXX is not set
+BR2_TOOLCHAIN_BUILDROOT_LOCALE=y
+BR2_TOOLCHAIN_BUILDROOT_USE_SSP=y
+
+# Kernel
+BR2_LINUX_KERNEL=y
+BR2_LINUX_KERNEL_CUSTOM_VERSION=y
+BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="4.9.37"
+BR2_LINUX_KERNEL_USE_CUSTOM_CONFIG=y
+BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE="$(BR2_EXTERNAL_HISILICON_PATH)/board/hi3516cv200/kernel/hi3516cv200.generic.config"
+BR2_LINUX_KERNEL_UIMAGE=y
+BR2_LINUX_KERNEL_XZ=y
+BR2_LINUX_KERNEL_EXT_HISI_PATCHER=y
+BR2_LINUX_KERNEL_EXT_HISI_PATCHER_LIST="$(BR2_EXTERNAL_HISILICON_PATH)/board/hi3516cv200/kernel/patches/ $(BR2_EXTERNAL_HISILICON_PATH)/board/hi3516cv200/kernel/overlay"
+
+# Filesystem
+# BR2_TARGET_TZ_INFO is not set
+BR2_TARGET_ROOTFS_CPIO=y
+BR2_TARGET_ROOTFS_SQUASHFS=y
+BR2_TARGET_ROOTFS_SQUASHFS4_XZ=y
+BR2_ROOTFS_OVERLAY="$(TOPDIR)/../general/overlay"
+BR2_ROOTFS_POST_BUILD_SCRIPT="$(TOPDIR)/../scripts/executing_commands_for_$(BR2_TOOLCHAIN_BUILDROOT_LIBC).sh"
+
+# OpenIPC configuration
+BR2_TOOLCHAIN_BUILDROOT_VENDOR="openipc"
+BR2_TARGET_GENERIC_ISSUE="Welcome to OpenIPC v2.1"
+BR2_TARGET_GENERIC_HOSTNAME="openipc-hi3516cv200"
+BR2_GLOBAL_PATCH_DIR="$(TOPDIR)/../general/package/all-patches"
+
+# OpenIPC packages
+BR2_PACKAGE_BUSYBOX_CONFIG="$(TOPDIR)/../general/package/busybox/busybox.config"
+BR2_PACKAGE_DROPBEAR=y
+# BR2_PACKAGE_FDK_AAC_OPENIPC is not set
+BR2_PACKAGE_FWPRINTENV_OPENIPC=y
+BR2_PACKAGE_HASERL=y
+BR2_PACKAGE_HISI_GPIO=y
+# BR2_PACKAGE_HISILICON_OSDRV_HI3516CV200 is not set
+BR2_PACKAGE_IPCTOOL=y
+BR2_PACKAGE_JSON_C=y
+BR2_PACKAGE_LAME_OPENIPC=y
+BR2_PACKAGE_LIBCURL_OPENIPC=y
+BR2_PACKAGE_LIBCURL_OPENIPC_CURL=y
+# BR2_PACKAGE_LIBCURL_OPENIPC_VERBOSE is not set
+# BR2_PACKAGE_LIBCURL_OPENIPC_PROXY_SUPPORT is not set
+# BR2_PACKAGE_LIBCURL_OPENIPC_COOKIES_SUPPORT is not set
+# BR2_PACKAGE_LIBCURL_OPENIPC_EXTRA_PROTOCOLS_FEATURES is not set
+BR2_PACKAGE_LIBCURL_OPENIPC_MBEDTLS=y
+BR2_PACKAGE_LIBEVENT_OPENIPC=y
+BR2_PACKAGE_LIBEVENT_OPENIPC_REMOVE_PYSCRIPT=y
+BR2_PACKAGE_LIBOGG_OPENIPC=y
+BR2_PACKAGE_LIBYAML=y
+BR2_PACKAGE_MAJESTIC_HI3516CV200=y
+BR2_PACKAGE_MBEDTLS_OPENIPC=y
+# BR2_PACKAGE_MBEDTLS_OPENIPC_PROGRAMS is not set
+# BR2_PACKAGE_MBEDTLS_OPENIPC_COMPRESSION is not set
+BR2_PACKAGE_MICROBE_WEB=y
+# BR2_PACKAGE_MINI_SNMPD is not set
+BR2_PACKAGE_MOTORS=y
+BR2_PACKAGE_OPUS_OPENIPC=y
+BR2_PACKAGE_OPUS_OPENIPC_FIXED_POINT=y
+# BR2_PACKAGE_SSHPASS is not set
+BR2_PACKAGE_UACME_OPENIPC=y
+BR2_PACKAGE_VTUND_OPENIPC=y
+BR2_PACKAGE_YAML_CLI=y
+
+# WiFi
+BR2_PACKAGE_WIRELESS_TOOLS=y
+BR2_PACKAGE_WPA_SUPPLICANT=y
+BR2_PACKAGE_WPA_SUPPLICANT_CLI=y
+BR2_PACKAGE_WPA_SUPPLICANT_NL80211=y
+BR2_PACKAGE_WPA_SUPPLICANT_PASSPHRASE=y
+BR2_PACKAGE_LINUX_FIRMWARE=y
+BR2_PACKAGE_LINUX_FIRMWARE_MEDIATEK_MT7601U=y
+# BR2_PACKAGE_RTL8188EU is not set
+
+# WIREGUARD
+BR2_PACKAGE_WIREGUARD_LINUX_COMPAT=y
+BR2_PACKAGE_WIREGUARD_TOOLS=y
diff --git a/br-ext-chip-hisilicon/configs/unknown_unknown_hi3516cv200_unknown_defconfig b/br-ext-chip-hisilicon/configs/unknown_unknown_hi3516cv200_unknown_defconfig
deleted file mode 100644
index dbf1b4f1..00000000
--- a/br-ext-chip-hisilicon/configs/unknown_unknown_hi3516cv200_unknown_defconfig
+++ /dev/null
@@ -1,20 +0,0 @@
-BR2_arm=y
-BR2_ARM_INSTRUCTIONS_THUMB=y
-BR2_KERNEL_HEADERS_VERSION=y
-BR2_DEFAULT_KERNEL_VERSION="4.9.37"
-BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_4_9=y
-BR2_TOOLCHAIN_BUILDROOT_LOCALE=y
-BR2_TOOLCHAIN_BUILDROOT_USE_SSP=y
-BR2_GCC_VERSION_7_X=y
-BR2_LINUX_KERNEL=y
-BR2_LINUX_KERNEL_CUSTOM_VERSION=y
-BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="4.9.37"
-BR2_LINUX_KERNEL_USE_CUSTOM_CONFIG=y
-BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE="$(BR2_EXTERNAL_HISILICON_PATH)/board/hi3516cv200/kernel/hi3516cv200.generic.config"
-BR2_LINUX_KERNEL_UIMAGE=y
-BR2_LINUX_KERNEL_XZ=y
-BR2_TARGET_ROOTFS_SQUASHFS=y
-BR2_TARGET_ROOTFS_SQUASHFS4_XZ=y
-BR2_LINUX_KERNEL_EXT_HISI_PATCHER=y
-BR2_LINUX_KERNEL_EXT_HISI_PATCHER_LIST="$(BR2_EXTERNAL_HISILICON_PATH)/board/hi3516cv200/kernel/patches/ $(BR2_EXTERNAL_HISILICON_PATH)/board/hi3516cv200/kernel/overlay"
-BR2_ROOTFS_POST_BUILD_SCRIPT="$(TOPDIR)/../scripts/executing_commands_for_$(BR2_TOOLCHAIN_BUILDROOT_LIBC).sh"
diff --git a/building.sh b/building.sh
index 98605822..f7703223 100755
--- a/building.sh
+++ b/building.sh
@@ -1,10 +1,10 @@
 #!/bin/bash
 #
-# OpenIPC.org | v.20210914
+# OpenIPC.org | v.20211025
 #
 
 clone() {
-  sudo apt-get update -y ; apt-get install -y bc build-essential git unzip autotools-dev automake libtool
+  sudo apt-get update -y ; apt-get install -y bc build-essential git unzip rsync autotools-dev automake libtool
   git clone --depth=1 https://github.com/OpenIPC/openipc-2.1.git
 }
 
@@ -82,6 +82,11 @@ hi3516cv100() {
 
 hi3516cv200() {
   soc="hi3516cv200"
+  fresh && make PLATFORM=hisilicon BOARD=unknown_unknown_${soc}_openipc all && rename
+}
+
+hi3518ev200() {
+  soc="hi3518ev200"
   fresh && make PLATFORM=hisilicon BOARD=unknown_unknown_${soc}_unknown all && rename
 }
 
@@ -140,6 +145,7 @@ hi3516ev300_tehshield() {
 nt98562() {
   soc="nt98562"
   fresh && make PLATFORM=novatek BOARD=unknown_unknown_${soc}_openipc all && rename
+  #PLATFORM=novatek make br-linux-{dirclean,rebuild}
 }
 
 nt98566() {
@@ -250,7 +256,8 @@ xm550() {
 # hi3516av300                   # testind..
 #
 # hi3516cv100                   # testing..
-# hi3516cv200                   # testing..
+hi3516cv200                   # testing..
+# hi3518ev200                   # testing..
 # hi3516cv300                   # testind..
 # hi3516cv500                   # testind..
 #
@@ -267,7 +274,7 @@ xm550() {
 #
 #######
 #
-nt98562                       # OpenIPC
+# nt98562                       # OpenIPC
 #
 # nt98566                       # OpenIPC
 #