Esempio n. 1
0
int
bman_portals_attach(device_t dev)
{
    struct dpaa_portals_softc *sc;

    sc = bp_sc = device_get_softc(dev);

    /* Map bman portal to physical address space */
    if (law_enable(OCP85XX_TGTIF_BMAN, sc->sc_dp_pa, sc->sc_dp_size)) {
        bman_portals_detach(dev);
        return (ENXIO);
    }
    /* Set portal properties for XX_VirtToPhys() */
    XX_PortalSetInfo(dev);

    return (bus_generic_attach(dev));
}
Esempio n. 2
0
static int
bman_portals_fdt_attach(device_t dev)
{
	struct dpaa_portals_softc *sc;
	struct resource_list_entry *rle;
	phandle_t node, child, cpu_node;
	vm_paddr_t portal_pa;
	vm_size_t portal_size;
	uint32_t addr, size;
	ihandle_t cpu;
	int cpu_num, cpus, intr_rid;
	struct dpaa_portals_devinfo di;
	struct ofw_bus_devinfo ofw_di = {};

	cpus = 0;
	sc = device_get_softc(dev);
	sc->sc_dev = dev;

	node = ofw_bus_get_node(dev);
	get_addr_props(node, &addr, &size);

	/* Find portals tied to CPUs */
	for (child = OF_child(node); child != 0; child = OF_peer(child)) {
		if (cpus >= mp_ncpus)
			break;
		if (!ofw_bus_node_is_compatible(child, "fsl,bman-portal")) {
			continue;
		}
		/* Checkout related cpu */
		if (OF_getprop(child, "cpu-handle", (void *)&cpu,
		    sizeof(cpu)) <= 0) {
			cpu = bman_portal_find_cpu(cpus);
			if (cpu <= 0)
				continue;
		}
		/* Acquire cpu number */
		cpu_node = OF_instance_to_package(cpu);
		if (OF_getencprop(cpu_node, "reg", &cpu_num, sizeof(cpu_num)) <= 0) {
			device_printf(dev, "Could not retrieve CPU number.\n");
			return (ENXIO);
		}

		cpus++;

		if (ofw_bus_gen_setup_devinfo(&ofw_di, child) != 0) {
			device_printf(dev, "could not set up devinfo\n");
			continue;
		}

		resource_list_init(&di.di_res);
		if (ofw_bus_reg_to_rl(dev, child, addr, size, &di.di_res)) {
			device_printf(dev, "%s: could not process 'reg' "
			    "property\n", ofw_di.obd_name);
			ofw_bus_gen_destroy_devinfo(&ofw_di);
			continue;
		}
		if (ofw_bus_intr_to_rl(dev, child, &di.di_res, &intr_rid)) {
			device_printf(dev, "%s: could not process "
			    "'interrupts' property\n", ofw_di.obd_name);
			resource_list_free(&di.di_res);
			ofw_bus_gen_destroy_devinfo(&ofw_di);
			continue;
		}
		di.di_intr_rid = intr_rid;
		
		ofw_reg_to_paddr(child, 0, &portal_pa, &portal_size, NULL);
		rle = resource_list_find(&di.di_res, SYS_RES_MEMORY, 0);

		if (sc->sc_dp_pa == 0)
			sc->sc_dp_pa = portal_pa - rle->start;

		portal_size = rle->end + 1;
		rle = resource_list_find(&di.di_res, SYS_RES_MEMORY, 1);
		portal_size = ulmax(rle->end + 1, portal_size);
		sc->sc_dp_size = ulmax(sc->sc_dp_size, portal_size);

		if (dpaa_portal_alloc_res(dev, &di, cpu_num))
			goto err;
	}

	ofw_bus_gen_destroy_devinfo(&ofw_di);

	return (bman_portals_attach(dev));
err:
	resource_list_free(&di.di_res);
	ofw_bus_gen_destroy_devinfo(&ofw_di);
	bman_portals_detach(dev);
	return (ENXIO);
}