# Utilities for TI ICEpick-C ... used in DaVinci, OMAP3, and more. # jrc == TAP name for the ICEpick # port == a port number, 0..15 proc icepick_c_tapenable {jrc port} { # NOTE: it's important not to enter RUN/IDLE state until # done sending these instructions and data to the ICEpick. # And never to enter RESET, which will disable the TAPs. # select router irscan $jrc 7 -endstate IRPAUSE drscan $jrc 8 0x89 -endstate DRPAUSE # set ip control irscan $jrc 2 -endstate IRPAUSE drscan $jrc 32 [expr 0xa0002108 + ($port << 24)] -endstate DRPAUSE irscan $jrc 0x3F -endstate RUN/IDLE runtest 10 } # vim:syntax tcl