diff --git a/fpga/01_build_bitfile.sh b/fpga/01_build_bitfile.sh
new file mode 100755
index 0000000..2d71673
--- /dev/null
+++ b/fpga/01_build_bitfile.sh
@@ -0,0 +1,11 @@
+#!/bin/bash
+
+set -e
+
+. script_env
+setup_vivado
+
+( cd vivado ; vivado -mode batch -source nonproject.tcl )
+
+cp -a vivado/output/puzzlefw_top.bit .
+
diff --git a/fpga/script_env b/fpga/script_env
new file mode 100644
index 0000000..997057a
--- /dev/null
+++ b/fpga/script_env
@@ -0,0 +1,10 @@
+#
+# Common environment variables for FPGA scripts
+#
+
+VIVADO_DIR="/opt/Xilinx/Vivado/2020.2"
+
+setup_vivado() {
+    . "${VIVADO_DIR}/settings64.sh"
+}
+