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# 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
}
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