jtag newtap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
-set _TARGETNAME [format "%s.cpu" $_CHIPNAME]
+set _TARGETNAME $_CHIPNAME.cpu
target create $_TARGETNAME cortex_m3 -endian $_ENDIAN -chain-position $_TARGETNAME
# LPC1768 has 32kB of SRAM on its main system bus (so-called Local On-Chip SRAM)