SL11_CTRL
bus_space_write_1(iot, ioh, SL11_IDX_ADDR, SL11_CTRL);
((sl11read(sc, SL11_CTRL) & SL11_CTRL_SUSPEND)
f = slhci_read(sc, SL11_CTRL);
slhci_write(sc, SL11_CTRL, 0);
slhci_write(sc, SL11_CTRL, ctrl|SL11_CTRL_ENABLESOF);
slhci_write(sc, SL11_CTRL, SL11_CTRL_RESETENGINE);
r = slhci_read(ssc, SL11_CTRL);