bus_get_resource_start
start = bus_get_resource_start(dev, SYS_RES_MEMORY, 0);
sc->xref = bus_get_resource_start(dev, SYS_RES_MEMORY, 0);
irq = bus_get_resource_start(dev, SYS_RES_IRQ, rid);
irq = bus_get_resource_start(dev, SYS_RES_IRQ, kbdcdev->rid);
irq = bus_get_resource_start(psm, SYS_RES_IRQ, KBDC_RID_AUX);
irq = bus_get_resource_start(psmc, SYS_RES_IRQ, 0);
irq = bus_get_resource_start(me, SYS_RES_IRQ, 0);
irq = bus_get_resource_start(dev, SYS_RES_IRQ, rid);
sc->mem_base = bus_get_resource_start(dev, SYS_RES_MEMORY, rid);
bus_get_resource_start( devx, SYS_RES_MEMORY,
bus_get_resource_start(dev, SYS_RES_MEMORY, ha->dbells_rid);
bus_get_resource_start(softs->os_specific.pqi_dev, SYS_RES_MEMORY,
pa = bus_get_resource_start(dev, SYS_RES_MEMORY, 0);
pa = bus_get_resource_start(dev, SYS_RES_MEMORY, 0);
irq = bus_get_resource_start(sc->dev, SYS_RES_IRQ, sc->irq_rid);
sc->sc_base = bus_get_resource_start(dev, SYS_RES_MEMORY, 0);
sc->sc_map.target = bus_get_resource_start(dev, SYS_RES_MEMORY, 1);
rman_res_t bus_get_resource_start(device_t dev, int type, int rid);