SIBA_CFG0_TMSTATEHIGH
error = bhnd_read_config(child, SIBA_CFG0_TMSTATEHIGH, &tmhigh, 4);
if (bhnd_bus_read_4(r, SIBA_CFG0_TMSTATEHIGH) & SIBA_TMH_SERR) {
siba_write_target_state(child, dinfo, SIBA_CFG0_TMSTATEHIGH,
error = siba_wait_target_state(child, dinfo, SIBA_CFG0_TMSTATEHIGH,