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if { [info exists CHIPNAME] } {
set _CHIPNAME $CHIPNAME
} else {
set _CHIPNAME at9r40008
}
if { [info exists ENDIAN] } {
set _ENDIAN $ENDIAN
} else {
set _ENDIAN little
}
if { [info exists CPUTAPID ] } {
set _CPUTAPID $CPUTAPID
} else {
# force an error till we get a good number
set _CPUTAPID 0xffffffff
}
jtag_nsrst_delay 200
jtag_ntrst_delay 200
#use combined on interfaces or targets that can't set TRST/SRST separately
reset_config srst_only srst_pulls_trst
#jtag scan chain
#format L IRC IRCM IDCODE (Length, IR Capture, IR Capture Mask, IDCODE)
jtag newtap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
set _TARGETNAME [format "%s.cpu" $_CHIPNAME]
target create $_TARGETNAME arm7tdmi -endian $_ENDIAN -chain-position $_TARGETNAME -variant arm7tdmi
$_TARGETNAME configure -event gdb-flash-erase-start {
wait_halt
sleep 10
poll
# Ethernut 3 remapping is required to access external flash memory.
mww 0xffe00000 0x1000213d
mww 0xffe00004 0x20003e3d
mww 0xffe00020 0x00000001
}
$_TARGETNAME configure -work-area-virt 0 -work-area-phys 0x3C000 -work-area-size 0x4000 -work-area-backup 0
flash bank cfi 0x10000000 0x400000 2 2 0
# For more information about the configuration files, take a look at:
# openocd.texi
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