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# Atmel AT91rm9200
# http://atmel.com/products/at91/
reset_config trst_and_srst
if { [info exists CHIPNAME] } {
set _CHIPNAME $CHIPNAME
} else {
set _CHIPNAME at91rm9200
}
if { [info exists ENDIAN] } {
set _ENDIAN $ENDIAN
} else {
set _ENDIAN little
}
if { [info exists CPUTAPID ] } {
set _CPUTAPID $CPUTAPID
} else {
set _CPUTAPID 0x05b0203f
}
# Never allow the following!
if { $_CPUTAPID == 0x15b0203f } {
echo "-------------------------------------------------------"
echo "- ERROR: -"
echo "- ERROR: TapID 0x15b0203f is wrong for at91rm9200 -"
echo "- ERROR: The chip/board has a JTAG select pin/jumper -"
echo "- ERROR: -"
echo "- ERROR: In one position (0x05b0203f) it selects the -"
echo "- ERROR: ARM CPU, in the other position (0x1b0203f) -"
echo "- ERROR: it selects boundry-scan not the ARM -"
echo "- ERROR: -"
echo "-------------------------------------------------------"
}
jtag newtap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
# Create the GDB Target.
set _TARGETNAME $_CHIPNAME.cpu
target create $_TARGETNAME arm920t -endian $_ENDIAN -chain-position $_TARGETNAME
# AT91RM9200 has a 16K block of sram @ 0x0020.0000
$_TARGETNAME configure -work-area-virt 0x00200000 -work-area-phys 0x00200000 \
-work-area-size 0x4000 -work-area-backup 1
# This chip has a DCC ... use it
arm7_9 dcc_downloads enable
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