X-Git-Url: https://review.openocd.org/gitweb?a=blobdiff_plain;f=tcl%2Ftarget%2Ficepick.cfg;h=13a6a5106b8a68930ef1a7c4dad73670c912e3b8;hb=a1bbf4b75bc68aeed3c72e37b302bb36757401c2;hp=ff73138ccaa2ceec9cac817576f23fbfdc90be06;hpb=70143a96c5cfcf13e1bfcabcbd39bc321f2da151;p=openocd.git diff --git a/tcl/target/icepick.cfg b/tcl/target/icepick.cfg index ff73138cca..13a6a5106b 100644 --- a/tcl/target/icepick.cfg +++ b/tcl/target/icepick.cfg @@ -3,8 +3,9 @@ # Copyright (C) 2009 by David Brownell # -# Utilities for TI ICEpick-C ... used in DaVinci, OMAP3, and more. -# Details about the ICEPickC are available in the AM/DM37x document SPRUGN4M +# Utilities for TI ICEpick-C/D used in most TI SoCs +# Details about the ICEPick are available in the the TRM for each SoC +# and http://processors.wiki.ti.com/index.php/ICEPICK # create "constants" proc CONST { key } { @@ -83,7 +84,7 @@ proc icepick_c_tapenable {jrc port} { # echo "Configuring the ICEpick" icepick_c_setup $jrc - # NOTE: it's important not to enter RUN/IDLE state until + # 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. @@ -106,6 +107,27 @@ proc icepick_c_tapenable {jrc port} { runtest 10 } +# 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 +} + # This function uses the ICEPick to send a warm system reset proc icepick_c_wreset {jrc} {