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@@ -3,8 +3,9 @@ |
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# Copyright (C) 2009 by David Brownell |
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# |
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# Utilities for TI ICEpick-C ... used in DaVinci, OMAP3, and more. |
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# Details about the ICEPickC are available in the AM/DM37x document SPRUGN4M |
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# Utilities for TI ICEpick-C/D used in most TI SoCs |
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# Details about the ICEPick are available in the the TRM for each SoC |
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# and http://processors.wiki.ti.com/index.php/ICEPICK |
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# create "constants" |
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proc CONST { key } { |
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@@ -106,6 +107,27 @@ proc icepick_c_tapenable {jrc port} { |
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runtest 10 |
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} |
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# jrc == TAP name for the ICEpick |
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# port == a port number, 0..15 |
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# Follow the sequence described in |
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# http://processors.wiki.ti.com/images/f/f6/Router_Scan_Sequence-ICEpick-D.pdf |
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proc icepick_d_tapenable {jrc port} { |
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# First CONNECT to the ICEPick |
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icepick_c_connect $jrc |
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# Select the port |
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irscan $jrc [CONST IR_ROUTER] -endstate IRPAUSE |
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drscan $jrc 32 [expr 0xa0002108 + ($port << 24)] -endstate DRPAUSE |
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# Set 4 bit core ID to the Cortex-A |
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irscan $jrc [CONST IR_ROUTER] -endstate IRPAUSE |
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drscan $jrc 32 0xe0002008 -endstate DRPAUSE |
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# Enter the bypass state |
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irscan $jrc [CONST IF_BYPASS] -endstate RUN/IDLE |
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runtest 10 |
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} |
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# This function uses the ICEPick to send a warm system reset |
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proc icepick_c_wreset {jrc} { |
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