diff --git a/tcl/target/atheros_ar9344.cfg b/tcl/target/atheros_ar9344.cfg
index f273fb05d..b698f2503 100644
--- a/tcl/target/atheros_ar9344.cfg
+++ b/tcl/target/atheros_ar9344.cfg
@@ -14,3 +14,26 @@ jtag newtap $_CHIPNAME cpu -irlen 5 -expected-id $_CPUTAPID
 
 set _TARGETNAME $_CHIPNAME.cpu
 target create $_TARGETNAME mips_m4k -endian big -chain-position $_TARGETNAME
+
+proc test_ar9344_uart0_tx {} {
+	echo "configuring uart0.."
+	mww 0xb802000c 0x87
+	mww 0xb8020000 0x15
+	mww 0xb8020004 0
+	mww 0xb802000c 7
+	mww 0xb8020004 0
+
+	echo "send message: hallo world"
+	mww 0xb8020000 0x68
+	mww 0xb8020000 0x65
+	mww 0xb8020000 0x6c
+	mww 0xb8020000 0x6c
+	mww 0xb8020000 0x6f
+	mww 0xb8020000 0x20
+	mww 0xb8020000 0x77
+	mww 0xb8020000 0x6f
+	mww 0xb8020000 0x72
+	mww 0xb8020000 0x6c
+	mww 0xb8020000 0x64
+	mww 0xb8020000 0x0a
+}