Function apb_attach

freebsd/mips/atheros/apb.c:113–162

}

static int
apb_attach(device_t dev)
{
	struct apb_softc *sc = device_get_softc(dev);
	int rid = 0;

	device_set_desc(dev, "APB Bus bridge");

	sc->apb_mem_rman.rm_type = RMAN_ARRAY;
	sc->apb_mem_rman.rm_descr = "APB memory window";

	if (rman_init(&sc->apb_mem_rman) != 0 ||
	    rman_manage_region(&sc->apb_mem_rman, 
			AR71XX_APB_BASE, 
			AR71XX_APB_BASE + AR71XX_APB_SIZE - 1) != 0)
		panic("apb_attach: failed to set up memory rman");

	sc->apb_irq_rman.rm_type = RMAN_ARRAY;
	sc->apb_irq_rman.rm_descr = "APB IRQ";

	if (rman_init(&sc->apb_irq_rman) != 0 ||
	    rman_manage_region(&sc->apb_irq_rman, 
			APB_IRQ_BASE, APB_IRQ_END) != 0)
		panic("apb_attach: failed to set up IRQ rman");

	if ((sc->sc_misc_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, 
	    RF_SHAREABLE | RF_ACTIVE)) == NULL) {
		device_printf(dev, "unable to allocate IRQ resource\n");
		return (ENXIO);
	}

	if ((bus_setup_intr(dev, sc->sc_misc_irq, INTR_TYPE_MISC, 
	    apb_filter, NULL, sc, &sc->sc_misc_ih))) {
		device_printf(dev,
		    "WARNING: unable to register interrupt handler\n");
		return (ENXIO);
	}

	bus_generic_probe(dev);
	bus_enumerate_hinted_children(dev);
	bus_generic_attach(dev);

	/*
	 * Unmask performance counter IRQ
	 */
	apb_unmask_irq((void*)APB_INTR_PMC);
	sc->sc_intr_counter[APB_INTR_PMC] = mips_intrcnt_create("apb irq5: pmc");

	return (0);
}

static struct resource *
apb_alloc_resource(device_t bus, device_t child, int type, int *rid,