TRCSYNCPR
CHECKREG(TRCSYNCPR, syncfreq);
state->trcsyncpr = etm4x_read32(csa, TRCSYNCPR);
etm4x_relaxed_write32(csa, state->trcsyncpr, TRCSYNCPR);
etm4x_relaxed_write32(csa, config->syncfreq, TRCSYNCPR);
CASE_##op((val), TRCSYNCPR) \