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author | benno <benno@FreeBSD.org> | 2003-01-09 12:04:18 +0000 |
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committer | benno <benno@FreeBSD.org> | 2003-01-09 12:04:18 +0000 |
commit | 36c3989bb9f8a76d0a3d559d0ef93e71725c0ea5 (patch) | |
tree | b44607711d5627a02d2b49e98128fc0be6fe636d /sys/powerpc | |
parent | 53c8a6f97046d95e082fae16cb33fd4f705a3cfe (diff) | |
download | FreeBSD-src-36c3989bb9f8a76d0a3d559d0ef93e71725c0ea5.zip FreeBSD-src-36c3989bb9f8a76d0a3d559d0ef93e71725c0ea5.tar.gz |
Add a pcib variant to allow us to fix up interrupt assignments.
We probably want to do something wrt bus enumeration as well at some point.
Diffstat (limited to 'sys/powerpc')
-rw-r--r-- | sys/powerpc/ofw/ofw_pcib_pci.c | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/sys/powerpc/ofw/ofw_pcib_pci.c b/sys/powerpc/ofw/ofw_pcib_pci.c new file mode 100644 index 0000000..6a0e7de --- /dev/null +++ b/sys/powerpc/ofw/ofw_pcib_pci.c @@ -0,0 +1,118 @@ +/*- + * Copyright (c) 2000 Michael Smith + * Copyright (c) 2000 BSDi + * All rights reserved. + * + * 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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. + * + * $FreeBSD$ + */ + +#include <sys/param.h> +#include <sys/bus.h> +#include <sys/malloc.h> +#include <sys/kernel.h> + +#include <dev/ofw/openfirm.h> +#include <dev/ofw/ofw_pci.h> + +#include <powerpc/ofw/ofw_pci.h> + +#include <pci/pcivar.h> +#include <pci/pcireg.h> +#include <pci/pcib_private.h> + +#include "pcib_if.h" + +static int ofw_pcib_pci_probe(device_t bus); +static int ofw_pcib_pci_attach(device_t bus); + +static device_method_t ofw_pcib_pci_methods[] = { + /* Device interface */ + DEVMETHOD(device_probe, ofw_pcib_pci_probe), + DEVMETHOD(device_attach, ofw_pcib_pci_attach), + DEVMETHOD(device_shutdown, bus_generic_shutdown), + DEVMETHOD(device_suspend, bus_generic_suspend), + DEVMETHOD(device_resume, bus_generic_resume), + + /* Bus interface */ + DEVMETHOD(bus_print_child, bus_generic_print_child), + DEVMETHOD(bus_read_ivar, pcib_read_ivar), + DEVMETHOD(bus_write_ivar, pcib_write_ivar), + DEVMETHOD(bus_alloc_resource, pcib_alloc_resource), + DEVMETHOD(bus_release_resource, bus_generic_release_resource), + DEVMETHOD(bus_activate_resource, bus_generic_activate_resource), + DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource), + DEVMETHOD(bus_setup_intr, bus_generic_setup_intr), + DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr), + + /* pcib interface */ + DEVMETHOD(pcib_maxslots, pcib_maxslots), + DEVMETHOD(pcib_read_config, pcib_read_config), + DEVMETHOD(pcib_write_config, pcib_write_config), + DEVMETHOD(pcib_route_interrupt, pcib_route_interrupt), + + {0, 0} +}; + +static driver_t ofw_pcib_pci_driver = { + "pcib", + ofw_pcib_pci_methods, + sizeof(struct pcib_softc), +}; + +DRIVER_MODULE(ofw_pcib, pci, ofw_pcib_pci_driver, pcib_devclass, 0, 0); + +static int +ofw_pcib_pci_probe(device_t dev) +{ + + if ((pci_get_class(dev) != PCIC_BRIDGE) || + (pci_get_subclass(dev) != PCIS_BRIDGE_PCI)) { + return (ENXIO); + } + if (ofw_pci_find_node(dev) == 0) { + return (ENXIO); + } + + device_set_desc(dev, "OpenFirmware PCI-PCI bridge"); + return (-1000); +} + +static int +ofw_pcib_pci_attach(device_t dev) +{ + phandle_t node; + uint32_t busrange[2]; + + node = ofw_pci_find_node(dev); + if (OF_getprop(node, "bus-range", busrange, sizeof(busrange)) != 8) + return (ENXIO); + + pcib_attach_common(dev); + + ofw_pci_fixup(dev, busrange[0], node); + + device_add_child(dev, "pci", -1); + + return (bus_generic_attach(dev)); +} |