diff --git a/.github/workflows/build_650.yml b/.github/workflows/build_650.yml
new file mode 100644
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+++ b/.github/workflows/build_650.yml
@@ -0,0 +1,48 @@
+# This is a basic workflow to help you get started with Actions
+
+name: build
+
+# Controls when the workflow will run
+on:
+  # Triggers the workflow on push or pull request events but only for the "main" branch
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+  # Allows you to run this workflow manually from the Actions tab
+  workflow_dispatch:
+
+# A workflow run is made up of one or more jobs that can run sequentially or in parallel
+jobs:
+  # This workflow contains a single job called "build"
+  build:
+    # The type of runner that the job will run on
+    runs-on: ubuntu-latest
+
+    # Steps represent a sequence of tasks that will be executed as part of the job
+    steps:
+      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
+      - uses: actions/checkout@v3
+
+      # Runs a set of commands using the runners shell
+      - name: prepare opencv-library
+        run: |
+          mkdir -p ./3rdparty
+          wget https://github.com/AXERA-TECH/ax-samples/releases/download/v0.1/opencv-aarch64-linux-gnu-gcc-7.5.0.zip
+          unzip opencv-aarch64-linux-gnu-gcc-7.5.0 -d ./3rdparty
+
+      - name: build
+        run: |
+          mkdir build
+          cd build
+          wget https://github.com/AXERA-TECH/ax650n_bsp_sdk.git
+          export ax_bsp=$PWD/ax650n_bsp_sdk/msp/out/
+          echo $ax_bsp          
+          wget https://developer.arm.com/-/media/Files/downloads/gnu-a/9.2-2019.12/binrel/gcc-arm-9.2-2019.12-x86_64-aarch64-none-linux-gnu.tar.xz
+          tar -xf gcc-arm-9.2-2019.12-x86_64-aarch64-none-linux-gnu.tar.xz
+          export PATH=$PATH:gcc-arm-9.2-2019.12-x86_64-aarch64-none-linux-gnu/bin/
+          aarch64-none-linux-gnu--gcc -v
+          cmake -DCMAKE_TOOLCHAIN_FILE=../toolchains/aarch64-none-linux-gnu.toolchain.cmake -DBSP_MSP_DIR=${ax_bsp}/ -DAXERA_TARGET_CHIP=ax650 ..
+          make -j8
+          make install