SIBA_CFG0_IMSTATE
imstate = bhnd_bus_read_4(r, SIBA_CFG0_IMSTATE);
siba_write_target_state(child, dinfo, SIBA_CFG0_IMSTATE, 0x0,
siba_write_target_state(child, dinfo, SIBA_CFG0_IMSTATE,
error = siba_wait_target_state(child, dinfo, SIBA_CFG0_IMSTATE,
siba_write_target_state(child, dinfo, SIBA_CFG0_IMSTATE, 0x0,