if { [info exists CHIPNAME] } {
	set _CHIPNAME $_CHIPNAME
} else {
	set _CHIPNAME ar2315
}

if { [info exists CPUTAPID] } {
	set _CPUTAPID $CPUTAPID
} else {
	set _CPUTAPID 0x00000001
}

jtag newtap $_CHIPNAME cpu -irlen 5 -expected-id $_CPUTAPID

set _TARGETNAME $_CHIPNAME.cpu
target create $_TARGETNAME mips_m4k -endian big -chain-position $_TARGETNAME
