diff options
Diffstat (limited to 'tcl/target/icepick.cfg')
| -rw-r--r-- | tcl/target/icepick.cfg | 26 |
1 files changed, 24 insertions, 2 deletions
diff --git a/tcl/target/icepick.cfg b/tcl/target/icepick.cfg index 093d2092..13a6a510 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 } { @@ -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} { |