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3cf4717)
from the target CPU support .
git-svn-id: svn://svn.berlios.de/openocd/trunk@2504
b42882b7-edfa-0310-969c-
e2dbd0fdcd60
--- /dev/null
+# Stellaris lm3s3748 Evaluation Kit
+# http://www.luminarymicro.com/products/lm3s3748_usb_h_d_evaluation_kits.html
+
+# NOTE: to use the on-board FT2232 JTAG interface:
+# source [find interface/luminary.cfg]
+
+source [find target/lm3s3748.cfg]
+
+# LM3S parts don't support RTCK
+jtag_khz 500
+
+jtag_nsrst_delay 100
+jtag_ntrst_delay 100
+
+# Board has only srst
+reset_config srst_only
+
-# Script for luminary lm3s3748
-#
-# NB! work in progress! Duplicated from lm3s811.cfg, but does
-# it need modification??
+# TI/Luminary Stellaris lm3s3748
if { [info exists CHIPNAME] } {
set _CHIPNAME $CHIPNAME
if { [info exists CHIPNAME] } {
set _CHIPNAME $CHIPNAME
if { [info exists CPUTAPID ] } {
set _CPUTAPID $CPUTAPID
} else {
if { [info exists CPUTAPID ] } {
set _CPUTAPID $CPUTAPID
} else {
- # force an error till we get a good number
set _CPUTAPID 0x3ba00477
}
set _CPUTAPID 0x3ba00477
}
-# RCLK
-jtag_khz 500
-
-jtag_nsrst_delay 100
-jtag_ntrst_delay 100
-
-#lm3s3748 Evaluation Board has only srst
-reset_config srst_only
-
-#jtag scan chain
jtag newtap $_CHIPNAME cpu -irlen 4 -ircapture 1 -irmask 0xf -expected-id $_CPUTAPID
jtag newtap $_CHIPNAME cpu -irlen 4 -ircapture 1 -irmask 0xf -expected-id $_CPUTAPID
+# The "lm3s" variant works around an erratum when using Rev A of "DustDevil"
+# parts (third generation, includes LM3S3748). It keeps the debug registers
+# from being cleared, by using software reset not SRST; NOP on newer revs.
+set _TARGETNAME $_CHIPNAME.cpu
+target create $_TARGETNAME cortex_m3 -endian $_ENDIAN \
+ -chain-position $_TARGETNAME -variant lm3s
-# the luminary variant causes a software reset rather than asserting SRST
-# this stops the debug registers from being cleared
-# this will be fixed in later revisions of silicon
-set _TARGETNAME [format "%s.cpu" $_CHIPNAME]
-target create $_TARGETNAME cortex_m3 -endian $_ENDIAN -chain-position $_TARGETNAME -variant lm3s
-
-# 8k working area at base of ram
-$_TARGETNAME configure -work-area-virt 0 -work-area-phys 0x20000000 -work-area-size 0x2000 -work-area-backup 0
+# 8k working area at base of ram, not backed up
+$_TARGETNAME configure -work-area-phys 0x20000000 -work-area-size 0x2000
+# flash configuration -- one bank of 128K
flash bank stellaris 0 0 0 0 0
flash bank stellaris 0 0 0 0 0
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