+
+
+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
#jtag scan chain
#format L IRC IRCM IDCODE (Length, IR Capture, IR Capture Mask, IDCODE)
-jtag_device 4 0x1 0xf 0xe
-
-target create target0 arm7tdmi -endian little -chain-position 0 -variant arm7tdmi
+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 $_TARGENAME -variant arm7tdmi
-[new_target_name] configure -event gdb-flash-erase-start {
+$_TARGETNAME configure -event gdb-flash-erase-start {
wait_halt
sleep 10
poll
mww 0xffe00020 0x00000001
}
-[new_target_name] configure -work-area-virt 0 -work-area-phys 0x3C000 -work-area-size 0x4000 -work-area-backup 0
+$_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