proc init_targets {} {

  reset_config trst_and_srst

  set _CHIPNAME riscv
  set _CPUTAPID 0xdeb11001

  jtag newtap $_CHIPNAME cpu -irlen 5 -ircapture 0x1 -irmask 0x1f -expected-id $_CPUTAPID

  jtag newtap $_CHIPNAME sys -irlen 4 -ircapture 0x05 -irmask 0x0F -enable
    
  set _TARGETNAME $_CHIPNAME.cpu

  target create $_TARGETNAME riscv -endian little -chain-position $_TARGETNAME -coreid 0
}

poll_period 200

init
puts "init done"