1 /* $NetBSD: pci_at_mainbus.c,v 1.3 2014/04/14 21:34:08 pooka Exp $ */ 2 3 /* 4 * Copyright (c) 2010 Antti Kantee. All Rights Reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 16 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 17 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 18 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 21 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28 #include <sys/cdefs.h> 29 __KERNEL_RCSID(0, "$NetBSD: pci_at_mainbus.c,v 1.3 2014/04/14 21:34:08 pooka Exp $"); 30 31 #include <sys/param.h> 32 #include <sys/conf.h> 33 #include <sys/device.h> 34 #include <sys/mbuf.h> 35 #include <sys/stat.h> 36 #include <sys/bus.h> 37 38 #include <dev/pci/pcivar.h> 39 #include <machine/bus_private.h> 40 41 #include "ioconf.c" 42 43 #include "rump_private.h" 44 #include "rump_vfs_private.h" 45 46 RUMP_COMPONENT(RUMP_COMPONENT_DEV) 47 { 48 extern const struct cdevsw pci_cdevsw; 49 devmajor_t cmaj, bmaj; 50 int error; 51 52 config_init_component(cfdriver_ioconf_pci, 53 cfattach_ioconf_pci, cfdata_ioconf_pci); 54 55 bmaj = cmaj = -1; 56 if ((error = devsw_attach("pci", NULL, &bmaj, 57 &pci_cdevsw, &cmaj)) != 0) { 58 printf("pci: devsw_attach failed: %d\n", error); 59 return; 60 } 61 62 if ((error = rump_vfs_makedevnodes(S_IFCHR, "/dev/pci", '0', 63 cmaj, 0, 4)) != 0) 64 printf("pci: failed to create /dev/pci nodes: %d", error); 65 } 66 67 RUMP_COMPONENT(RUMP_COMPONENT_DEV_AFTERMAINBUS) 68 { 69 struct pcibus_attach_args pba; 70 device_t mainbus; 71 72 /* XXX: attach args should come from elsewhere */ 73 memset(&pba, 0, sizeof(pba)); 74 pba.pba_bus = 0; 75 pba.pba_iot = (bus_space_tag_t)0; 76 pba.pba_memt = (bus_space_tag_t)1; 77 pba.pba_dmat = (void *)0x20; 78 #ifdef _LP64 79 pba.pba_dmat64 = (void *)0x40; 80 #endif 81 pba.pba_flags = PCI_FLAGS_MEM_OKAY | 82 PCI_FLAGS_MRL_OKAY | PCI_FLAGS_MRM_OKAY | PCI_FLAGS_MWI_OKAY;; 83 #if 0 84 pba.pba_flags |= PCI_FLAGS_IO_OKAY; 85 #endif 86 87 mainbus = device_find_by_driver_unit("mainbus", 0); 88 if (!mainbus) 89 panic("no mainbus. use maintaxi instead?"); 90 config_found_ia(mainbus, "pcibus", &pba, pcibusprint); 91 } 92