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103 lines
3.2 KiB
C
103 lines
3.2 KiB
C
/* $NetBSD: pci_at_mainbus.c,v 1.6 2015/06/15 15:38:52 pooka Exp $ */
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/*
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* Copyright (c) 2010 Antti Kantee. All Rights Reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: pci_at_mainbus.c,v 1.6 2015/06/15 15:38:52 pooka Exp $");
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#include <sys/param.h>
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#include <sys/conf.h>
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#include <sys/device.h>
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#include <sys/mbuf.h>
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#include <sys/stat.h>
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#include <sys/bus.h>
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#include <dev/pci/pcivar.h>
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#include <machine/bus_private.h>
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#include "ioconf.c"
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#include "rump_private.h"
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#include "rump_vfs_private.h"
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#include "pci_user.h"
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RUMP_COMPONENT(RUMP_COMPONENT_DEV)
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{
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extern const struct cdevsw pci_cdevsw;
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devmajor_t cmaj, bmaj;
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int error;
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config_init_component(cfdriver_ioconf_pci,
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cfattach_ioconf_pci, cfdata_ioconf_pci);
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bmaj = cmaj = -1;
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if ((error = devsw_attach("pci", NULL, &bmaj,
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&pci_cdevsw, &cmaj)) != 0) {
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printf("pci: devsw_attach failed: %d\n", error);
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return;
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}
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if ((error = rump_vfs_makedevnodes(S_IFCHR, "/dev/pci", '0',
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cmaj, 0, 4)) != 0)
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printf("pci: failed to create /dev/pci nodes: %d\n", error);
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}
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RUMP_COMPONENT(RUMP_COMPONENT_DEV_AFTERMAINBUS)
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{
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struct pcibus_attach_args pba;
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device_t mainbus;
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/* XXX: attach args should come from elsewhere */
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memset(&pba, 0, sizeof(pba));
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pba.pba_bus = 0;
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pba.pba_iot = (bus_space_tag_t)0;
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pba.pba_memt = (bus_space_tag_t)1;
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pba.pba_dmat = (void *)0x20;
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#ifdef _LP64
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pba.pba_dmat64 = (void *)0x40;
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#endif
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pba.pba_flags = PCI_FLAGS_MEM_OKAY |
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PCI_FLAGS_MRL_OKAY | PCI_FLAGS_MRM_OKAY | PCI_FLAGS_MWI_OKAY;;
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#ifdef RUMPCOMP_USERFEATURE_PCI_IOSPACE
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int error;
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error = rumpcomp_pci_iospace_init();
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if (!error) {
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pba.pba_flags |= PCI_FLAGS_IO_OKAY;
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} else {
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aprint_error("pci: I/O space init error %d, I/O space not "
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"available\n", error);
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}
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#endif
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mainbus = device_find_by_driver_unit("mainbus", 0);
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if (!mainbus)
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panic("no mainbus. use maintaxi instead?");
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config_found_ia(mainbus, "pcibus", &pba, pcibusprint);
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}
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