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# TI/Luminary Stellaris lm3s3748
if { [info exists CHIPNAME] } {
set _CHIPNAME $CHIPNAME
} else {
set _CHIPNAME lm3s3748
}
if { [info exists ENDIAN] } {
set _ENDIAN $ENDIAN
} else {
# this defaults to a little endian
set _ENDIAN little
}
if { [info exists CPUTAPID ] } {
set _CPUTAPID $CPUTAPID
} else {
set _CPUTAPID 0x3ba00477
}
# JTAG scan chain
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
# 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
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