diff --git a/target/sam7ex256/mkmux.sh b/target/sam7ex256/mkmux.sh
new file mode 100755
index 0000000..5f88abd
--- /dev/null
+++ b/target/sam7ex256/mkmux.sh
@@ -0,0 +1 @@
+../../platform/at91sam7/mkboard.py ../../platform/at91sam7/at91sam7x.pins include/platform/mux.def