static int
gic_v3_acpi_attach(device_t dev)
{
struct gic_v3_softc *sc;
int err;
sc = device_get_softc(dev);
sc->dev = dev;
sc->gic_bus = GIC_BUS_ACPI;
err = gic_v3_acpi_count_regions(dev);
if (err != 0)
goto error;
err = gic_v3_attach(dev);
if (err != 0)
goto error;
sc->gic_pic = intr_pic_register(dev, ACPI_INTR_XREF);
if (sc->gic_pic == NULL) {
device_printf(dev, "could not register PIC\n");
err = ENXIO;
goto error;
}
if (intr_pic_claim_root(dev, ACPI_INTR_XREF, arm_gic_v3_intr, sc,
GIC_LAST_SGI - GIC_FIRST_SGI + 1) != 0) {
err = ENXIO;
goto error;
}
/*
* Try to register the ITS driver to this GIC. The GIC will act as
* a bus in that case. Failure here will not affect the main GIC
* functionality.
*/
gic_v3_acpi_bus_attach(dev);
if (device_get_children(dev, &sc->gic_children, &sc->gic_nchildren) !=0)
sc->gic_nchildren = 0;
return (0);
error:
if (bootverbose) {
device_printf(dev,
"Failed to attach. Error %d\n", err);
}
/* Failure so free resources */
gic_v3_detach(dev);
return (err);
}
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);
}
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);
}