sbus_reg
sa->sa_nreg * sizeof(struct sbus_reg));
struct sbus_reg sc_physadr[2]; /* phys addrs of h/w */
sa->sa_promvaddrs[0], &sbc->sbus_reg);
sa->sa_size, 0, &sbc->sbus_reg) != 0) {
bus_space_read_2(sbc->sbus_bustag, sbc->sbus_reg, off)
return (bus_space_read_2(sbc->sbus_bustag, sbc->sbus_reg, offset));
bus_space_write_2(sbc->sbus_bustag, sbc->sbus_reg, offset, val);
bus_space_handle_t sbus_reg;