X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=tcl%2Ftarget%2Ficepick.cfg;h=cc824ad0e951d45e5fe3f4135aeb78e5dbb2e230;hp=ff73138ccaa2ceec9cac817576f23fbfdc90be06;hb=HEAD;hpb=70143a96c5cfcf13e1bfcabcbd39bc321f2da151

diff --git a/tcl/target/icepick.cfg b/tcl/target/icepick.cfg
index ff73138cca..5509532111 100644
--- a/tcl/target/icepick.cfg
+++ b/tcl/target/icepick.cfg
@@ -1,10 +1,13 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+
 #
 # Copyright (C)   2011        by Karl Kurbjun
 # 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 } {
@@ -53,8 +56,8 @@ proc icepick_c_disconnect {jrc} {
 proc icepick_c_router {jrc rw block register payload} {
 
 	set new_dr_value \
-		[expr ( ($rw & 0x1) << 31)        | ( ($block & 0x7) << 28) | \
-			( ($register & 0xF) << 24)  | ( $payload & 0xFFFFFF ) ]
+		[expr { ( ($rw & 0x1) << 31)        | ( ($block & 0x7) << 28) | \
+				( ($register & 0xF) << 24)  | ( $payload & 0xFFFFFF ) } ]
 
 #	echo "\tNew router value:\t0x[format %x $new_dr_value]"
 
@@ -62,7 +65,8 @@ proc icepick_c_router {jrc rw block register payload} {
 	irscan $jrc [CONST IR_ROUTER] -endstate IRPAUSE
 
 	# ROUTER instructions are 32 bits wide
-	set old_dr_value [drscan $jrc 32 $new_dr_value -endstate DRPAUSE]
+	set old_dr_value 0x[drscan $jrc 32 $new_dr_value -endstate DRPAUSE]
+#	echo "\tOld router value:\t0x[format %x $old_dr_value]"
 }
 
 # Configure the icepick control register
@@ -73,9 +77,22 @@ proc icepick_c_setup {jrc} {
 }
 
 # jrc	== TAP name for the ICEpick
-# port	== a port number, 0..15
+# port	== a port number, 0..15 for debug tap, 16..31 for test tap
 proc icepick_c_tapenable {jrc port} {
 
+	if { ($port >= 0) && ($port < 16) } {
+		# Debug tap"
+		set tap $port
+		set block 0x2
+	} elseif { $port < 32 } {
+		# Test tap
+		set tap [expr {$port - 16}]
+		set block 0x1
+	} else {
+		echo "ERROR: Invalid ICEPick C port number: $port"
+		return
+	}
+
 	# First CONNECT to the ICEPick
 #	echo "Connecting to ICEPick"
 	icepick_c_connect $jrc
@@ -83,33 +100,59 @@ 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.
 
 	# first enable power and clock for TAP
-	icepick_c_router $jrc 1 0x2 $port 0x100048
+	icepick_c_router $jrc 1 $block $tap 0x110048
 
 	# TRM states that the register should be read back here, skipped for now
 
 	# enable debug "default" mode
-	icepick_c_router $jrc 1 0x2 $port 0x102048
+	icepick_c_router $jrc 1 $block $tap 0x112048
 
 	# TRM states that debug enable and debug mode should be read back and
 	# confirmed - skipped for now
 
 	# Finally select the tap
-	icepick_c_router $jrc 1 0x2 $port 0x102148
+	icepick_c_router $jrc 1 $block $tap 0x112148
 
 	# Enter the bypass state
 	irscan $jrc [CONST IR_BYPASS] -endstate RUN/IDLE
 	runtest 10
 }
 
+# jrc	== TAP name for the ICEpick
+# coreid== core id number 0..15 (not same as port number!)
+proc icepick_d_set_core_control {jrc coreid value } {
+	icepick_c_router $jrc 1 0x6 $coreid $value
+}
+
+# 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 coreid { value 0x2008 } } {
+
+	# First CONNECT to the ICEPick
+	icepick_c_connect $jrc
+	icepick_c_setup $jrc
+
+	# Select the port
+	icepick_c_router $jrc 1 0x2 $port 0x2108
+
+	# Set icepick core control for $coreid
+	icepick_d_set_core_control $jrc $coreid $value
+
+	# 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} {
 
 	# send a router write, block is 0, register is 1, value is 0x2100
 	icepick_c_router $jrc 1 0x0 0x1 0x002101
 }
-