# Copyright (C) 2009 by David Brownell
# Copyright (C) 2009 by Magnus Lundin
#
-# TI AM/DM37x
-# http://www.ti.com/litv/pdf/sprugn4b
+# TI AM/DM37x Technical Reference Manual (Version R)
+# http://www.ti.com/lit/ug/sprugn4r/sprugn4r.pdf
#
# This script is based on the AM3517 initialization. It should be considered
# preliminary since it needs more complete testing and only the basic
switch $CHIPTYPE {
dm37x {
- # Primary TAP: ICEpick-C (JTAG route controller) and boundary scan
+ # Primary TAP: ICEPick-C (JTAG route controller) and boundary scan
set _JRC_TAPID "-expected-id 0x2b89102f -expected-id 0x1b89102f -expected-id 0x0b89102f"
}
am35x {
- # Primary TAP: ICEpick-C (JTAG route controller) and boundary scan
+ # Primary TAP: ICEPick-C (JTAG route controller) and boundary scan
set _JRC_TAPID "-expected-id 0x0b7ae02f"
}
default {
###############################################################################
# JTAG setup
# The OpenOCD commands are described in the TAP Declaration section
-# http://openocd.berlios.de/doc/html/TAP-Declaration.html
+# http://openocd.sourceforge.net/doc/html/TAP-Declaration.html
###############################################################################
-# The AM/DM37x has an ICEpick module in it like many of TI's other devices. More
-# can be read about this module in sprugn4b under chapter 27: "Debug and
+# The AM/DM37x has an ICEPick module in it like many of TI's other devices. More
+# can be read about this module in sprugn4r in chapter 27: "Debug and
# Emulation". The module is used to route the JTAG chain to the various
# subsystems in the chip.
source [find target/icepick.cfg]
# The TAP order should be described from the TDO connection in OpenOCD to the
# TDI pin. The OpenOCD FAQ describes this in more detail:
-# http://openocd.berlios.de/doc/html/FAQ.html
+# http://openocd.sourceforge.net/doc/html/FAQ.html
-# From SPRUGN4B CH27 the available secondary TAPs are in this order from TDO:
+# From SPRUGN4R CH27 the available secondary TAPs are in this order from TDO:
#
# Device | TAP number
# ---------|------------
######
# Start of Chain Description
-# The Secondary TAPs all have enable functions defined for use with the ICEpick
+# The Secondary TAPs all have enable functions defined for use with the ICEPick
# Only the DAP is enabled. The AM37xx does not have the Sequencer or DSP but
-# the TAP numbers for ICEpick do not change.
+# the TAP numbers for ICEPick do not change.
#
# TODO: A disable function should also be added.
######
# These taps are only present in the DM37x series.
if { $CHIPTYPE == "dm37x" } {
# Secondary TAP: Sequencer (ARM968) it is not in the chain by default
- # The ICEpick can be used to enable it in the chain.
+ # The ICEPick can be used to enable it in the chain.
jtag newtap $_CHIPNAME arm2 -irlen 4 -ircapture 0x1 -irmask 0x0f -disable
jtag configure $_CHIPNAME.arm2 -event tap-enable \
"icepick_c_tapenable $_CHIPNAME.jrc 2"
# Secondary TAP: C64x+ DSP - it is not in the chain by default (-disable)
- # The ICEpick can be used to enable it in the chain.
+ # The ICEPick can be used to enable it in the chain.
jtag newtap $_CHIPNAME dsp -irlen 38 -ircapture 0x25 -irmask 0x3f -disable
jtag configure $_CHIPNAME.dsp -event tap-enable \
"icepick_c_tapenable $_CHIPNAME.jrc 1"
}
# Secondary TAP: D2D it is not in the chain by default (-disable)
-# The ICEpick can be used to enable it in the chain.
+# The ICEPick can be used to enable it in the chain.
# This IRLEN is probably incorrect - not sure where the documentation is.
jtag newtap $_CHIPNAME d2d -irlen 4 -ircapture 0x1 -irmask 0x0f -disable
jtag configure $_CHIPNAME.d2d -event tap-enable \
"icepick_c_tapenable $_CHIPNAME.jrc 0"
-# Primary TAP: ICEpick - it is closest to TDI so last in the chain
+# Primary TAP: ICEPick - it is closest to TDI so last in the chain
eval "jtag newtap $_CHIPNAME jrc -irlen 6 -ircapture 0x1 -irmask 0x3f $_JRC_TAPID"
######
###############################################################################
# Target Setup:
# This section is described in the OpenOCD documentation under CPU Configuration
-# http://openocd.berlios.de/doc/html/CPU-Configuration.html
+# http://openocd.sourceforge.net/doc/html/CPU-Configuration.html
###############################################################################
# Create the CPU target to be used with GDB: Cortex-A8, using DAP