C++ (Cpp) gic_v3_ofw_bus_attach Examples

Example #1

File: gic_v3_fdt.c Project: Digital-Chaos/freebsd

static int
gic_v3_fdt_attach(device_t dev)
{
	struct gic_v3_softc *sc;
	pcell_t redist_regions;
	int err;

	sc = device_get_softc(dev);
	sc->dev = dev;

	/*
	 * Recover number of the Re-Distributor regions.
	 */
	if (OF_getencprop(ofw_bus_get_node(dev), "#redistributor-regions",
	    &redist_regions, sizeof(redist_regions)) <= 0)
		sc->gic_redists.nregions = 1;
	else
		sc->gic_redists.nregions = redist_regions;

	err = gic_v3_attach(dev);
	if (err)
		goto error;
	/*
	 * Try to register ITS to this GIC.
	 * GIC will act as a bus in that case.
	 * Failure here will not affect main GIC functionality.
	 */
	if (gic_v3_ofw_bus_attach(dev) != 0) {
		if (bootverbose) {
			device_printf(dev,
			    "Failed to attach ITS to this GIC\n");
		}
	}

	return (err);

error:
	if (bootverbose) {
		device_printf(dev,
		    "Failed to attach. Error %d\n", err);
	}
	/* Failure so free resources */
	gic_v3_detach(dev);

	return (err);
}

Example #2

File: gic_v3_fdt.c Project: jaredmcneill/freebsd

static int
gic_v3_fdt_attach(device_t dev)
{
	struct gic_v3_softc *sc;
	pcell_t redist_regions;
	intptr_t xref;
	int err;

	sc = device_get_softc(dev);
	sc->dev = dev;

	/*
	 * Recover number of the Re-Distributor regions.
	 */
	if (OF_getencprop(ofw_bus_get_node(dev), "#redistributor-regions",
	    &redist_regions, sizeof(redist_regions)) <= 0)
		sc->gic_redists.nregions = 1;
	else
		sc->gic_redists.nregions = redist_regions;

	err = gic_v3_attach(dev);
	if (err != 0)
		goto error;

	xref = OF_xref_from_node(ofw_bus_get_node(dev));
	sc->gic_pic = intr_pic_register(dev, xref);
	if (sc->gic_pic == NULL) {
		device_printf(dev, "could not register PIC\n");
		err = ENXIO;
		goto error;
	}

	/* Register xref */
	OF_device_register_xref(xref, dev);

	if (intr_pic_claim_root(dev, xref, arm_gic_v3_intr, sc,
	    GIC_LAST_SGI - GIC_FIRST_SGI + 1) != 0) {
		err = ENXIO;
		goto error;
	}

	/*
	 * Try to register ITS to this GIC.
	 * GIC will act as a bus in that case.
	 * Failure here will not affect main GIC functionality.
	 */
	if (gic_v3_ofw_bus_attach(dev) != 0) {
		if (bootverbose) {
			device_printf(dev,
			    "Failed to attach ITS to this GIC\n");
		}
	}

	if (device_get_children(dev, &sc->gic_children, &sc->gic_nchildren) != 0)
		sc->gic_nchildren = 0;

	return (err);

error:
	if (bootverbose) {
		device_printf(dev,
		    "Failed to attach. Error %d\n", err);
	}
	/* Failure so free resources */
	gic_v3_detach(dev);

	return (err);
}