DBGMCU_CR = 0xE00E1004
DBGMCU_VALUE = 0x00700007

def will_init_target(target, init_sequence):
    def set_traceclken():
         LOG.info("old DBGMCU_CR: " + hex(target.aps[2].read_memory(DBGMCU_CR)))
         target.aps[2].write_memory(DBGMCU_CR, DBGMCU_VALUE)
         LOG.info("new DBGMCU_CR: " + hex(target.aps[2].read_memory(DBGMCU_CR)))
         return

    def wrap(seq):
        return seq

    init_sequence.wrap_task('discovery', lambda seq:
        seq.insert_before('find_components',
            ('set_traceclken', set_traceclken)
        )
    )