diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
index 427e5872f2438..5f338e6a93e96 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nightly.yml
@@ -86,6 +86,70 @@ jobs:
           BUCKET_PATH=$GS_PATH/job/${{ github.job }}/branch/${{ inputs.branch || 'earlgrey_1.0.0'}}/$(date +%Y-%m-%d-%H%M%S)_${BAZEL_TEST_RESULTS}
           gcloud storage cp $BAZEL_TEST_RESULTS "$BUCKET_PATH"
 
+  fpga_cw340_sival_nightly:
+    name: FPGA CW340 SiVal tests
+    runs-on: [ubuntu-22.04-fpga, cw340]
+
+    env:
+      GS_PATH: gs://opentitan-test-results
+      BAZEL_TEST_RESULTS: test_results.xml
+
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0 # Required for the bitstream cache to work.
+          ref: ${{ inputs.branch || 'earlgrey_1.0.0' }} # Schedule only work on the default branch, but we want to run on a different branch.
+
+      - name: Install dependencies
+        uses: ./.github/actions/prepare-env
+        with:
+          service_account_json: '${{ secrets.BAZEL_CACHE_CREDS }}'
+
+      - uses: google-github-actions/setup-gcloud@v2
+
+      - name: Update hyperdebug
+        # We run the update command twice to workaround an issue with udev on the container.
+        # Where rusb cannot dynamically update its device list in CI (udev is not completely
+        # functional). If the device is in normal mode, the first thing that opentitantool
+        # does is to switch it to DFU mode and wait until it reconnects. This reconnection is
+        # never detected. But if we run the tool another time, the device list is queried again
+        # and opentitantool can finish the update. The device will now reboot in normal mode
+        # and work for the hyperdebug job.
+        run: |
+          ./bazelisk.sh run //sw/host/opentitantool -- --interface=hyperdebug_dfu transport update-firmware \
+          || ./bazelisk.sh run //sw/host/opentitantool -- --interface=hyperdebug_dfu transport update-firmware
+
+      - name: Run tests after ROM boot stage
+        if: success() || failure()
+        run: |
+          module load xilinx/vivado
+          bazel_tests="$(mktemp)"
+          ./bazelisk.sh query 'attr("tags", "[\[ ]cw340_sival[,\]]", tests(//sw/device/...))' \
+                                                    | grep -v examples \
+                                                    | grep -v penetrationtests \
+                                                    > "$bazel_tests"
+          ./bazelisk.sh test --build_tests_only --test_tag_filters=-skip_in_nightly_ci --target_pattern_file="$bazel_tests"
+
+      - name: Run tests after ROM_EXT boot stage
+        if: success() || failure()
+        run: |
+          module load xilinx/vivado
+          bazel_tests="$(mktemp)"
+          ./bazelisk.sh query 'attr("tags", "[\[ ]cw340_sival_rom_ext[,\]]", tests(//sw/device/...))' \
+                                                    | grep -v examples \
+                                                    | grep -v penetrationtests \
+                                                    > "$bazel_tests"
+          ./bazelisk.sh test --build_tests_only --test_tag_filters=-skip_in_nightly_ci --target_pattern_file="$bazel_tests"
+
+      - name: Publish bazel test results
+        if: success() || failure()
+        run: |
+          # Bazel produce one xml for each test. So we merge them together.
+          find -L bazel-out -name "test.xml" | xargs merge-junit -o "$BAZEL_TEST_RESULTS"
+
+          BUCKET_PATH=$GS_PATH/job/${{ github.job }}/branch/${{ inputs.branch || 'earlgrey_1.0.0'}}/$(date +%Y-%m-%d-%H%M%S)_${BAZEL_TEST_RESULTS}
+          gcloud storage cp $BAZEL_TEST_RESULTS "$BUCKET_PATH"
+
   rom_e2e:
     name: ROM E2E Tests
     runs-on: [ubuntu-22.04-fpga, cw310]