diff --git a/sys/conf/files.arm64 b/sys/conf/files.arm64 --- a/sys/conf/files.arm64 +++ b/sys/conf/files.arm64 @@ -245,6 +245,7 @@ dev/neta/if_mvneta.c optional neta mdio mii dev/ofw/ofw_cpu.c optional fdt +dev/ofw/ofw_pci.c optional fdt pci dev/ofw/ofw_pcib.c optional fdt pci dev/pci/controller/pci_n1sdp.c optional pci_n1sdp acpi diff --git a/sys/dev/ofw/ofw_pci.c b/sys/dev/ofw/ofw_pci.c new file mode 100644 --- /dev/null +++ b/sys/dev/ofw/ofw_pci.c @@ -0,0 +1,93 @@ +/*- + * SPDX-License-Identifier: BSD-2-Clause-FreeBSD + * + * Copyright (c) 2021 Alstom Group. + * Copyright (c) 2021 Semihalf. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include +__FBSDID("$FreeBSD$"); + +#include +#include +#include +#include +#include + +#include +#include +#include + +#include +#include +#include + +#include "pcib_if.h" +#include "pci_if.h" + +static int ofw_pci_probe(device_t); +static const struct ofw_bus_devinfo* pci_ofw_get_devinfo(device_t, device_t); + +static device_method_t ofw_pci_methods[] = { + DEVMETHOD(device_probe, ofw_pci_probe), + + /* ofw_bus interface */ + DEVMETHOD(ofw_bus_get_devinfo, pci_ofw_get_devinfo), + DEVMETHOD(ofw_bus_get_compat, ofw_bus_gen_get_compat), + DEVMETHOD(ofw_bus_get_model, ofw_bus_gen_get_model), + DEVMETHOD(ofw_bus_get_name, ofw_bus_gen_get_name), + DEVMETHOD(ofw_bus_get_node, ofw_bus_gen_get_node), + DEVMETHOD(ofw_bus_get_type, ofw_bus_gen_get_type), + + DEVMETHOD_END +}; + +static devclass_t pci_devclass; + +DEFINE_CLASS_1(pci, ofw_pci_driver, ofw_pci_methods, sizeof(struct pci_softc), + pci_driver); +DRIVER_MODULE(ofw_pci, pcib, ofw_pci_driver, pci_devclass, 0, 0); +MODULE_DEPEND(ofw_pci, simplebus, 1, 1, 1); +MODULE_DEPEND(ofw_pci, pci, 1, 1, 1); +MODULE_VERSION(ofw_pci, 1); + +static int +ofw_pci_probe(device_t dev) +{ + device_t parent; + + parent = device_get_parent(dev); + if (ofw_bus_get_node(parent) <= 0) + return (ENXIO); + + device_set_desc(dev, "OFW PCI bus"); + return (BUS_PROBE_DEFAULT); +} + +/* Pass the request up to our parent. */ +static const struct ofw_bus_devinfo* +pci_ofw_get_devinfo(device_t bus, device_t dev) +{ + + return OFW_BUS_GET_DEVINFO(device_get_parent(bus), dev); +}