FE_DLCR1
rstat = bus_space_read_1(bst, bsh, FE_DLCR1) & FE_RMASK;
bus_space_write_1(bst, bsh, FE_DLCR1, rstat);
rstat = bus_space_read_1(bst, bsh, FE_DLCR1) & FE_RMASK;
(bus_space_read_1(bst, bsh, FE_DLCR1) & FE_D1_PKTRDY) == 0) {
bus_space_read_1(bst, bsh, FE_DLCR1),
bus_space_write_1(bst, bsh, FE_DLCR1, 0xFF);
bus_space_write_1(bst, bsh, FE_DLCR1, 0xFF); /* ditto. */
bus_space_write_1(bst, bsh, FE_DLCR1, 0xFF); /* ditto. */