+# jrc == TAP name for the ICEpick
+# port == a port number, 0..15
+# Follow the sequence described in
+# http://processors.wiki.ti.com/images/f/f6/Router_Scan_Sequence-ICEpick-D.pdf
+proc icepick_d_tapenable {jrc port} {
+ # First CONNECT to the ICEPick
+ icepick_c_connect $jrc
+
+ # Select the port
+ irscan $jrc [CONST IR_ROUTER] -endstate IRPAUSE
+ drscan $jrc 32 [expr 0xa0002108 + ($port << 24)] -endstate DRPAUSE
+
+ # Set 4 bit core ID to the Cortex-A
+ irscan $jrc [CONST IR_ROUTER] -endstate IRPAUSE
+ drscan $jrc 32 0xe0002008 -endstate DRPAUSE
+
+ # Enter the bypass state
+ irscan $jrc [CONST IF_BYPASS] -endstate RUN/IDLE
+ runtest 10
+}
+