pceb.c revision 1.1.10.2
1 1.1.10.2 simonb /* $NetBSD: pceb.c,v 1.1.10.2 2006/04/22 11:37:54 simonb Exp $ */ 2 1.1.10.2 simonb 3 1.1.10.2 simonb /*- 4 1.1.10.2 simonb * Copyright (c) 1996, 1998 The NetBSD Foundation, Inc. 5 1.1.10.2 simonb * All rights reserved. 6 1.1.10.2 simonb * 7 1.1.10.2 simonb * This code is derived from software contributed to The NetBSD Foundation 8 1.1.10.2 simonb * by Jason R. Thorpe. 9 1.1.10.2 simonb * 10 1.1.10.2 simonb * Redistribution and use in source and binary forms, with or without 11 1.1.10.2 simonb * modification, are permitted provided that the following conditions 12 1.1.10.2 simonb * are met: 13 1.1.10.2 simonb * 1. Redistributions of source code must retain the above copyright 14 1.1.10.2 simonb * notice, this list of conditions and the following disclaimer. 15 1.1.10.2 simonb * 2. Redistributions in binary form must reproduce the above copyright 16 1.1.10.2 simonb * notice, this list of conditions and the following disclaimer in the 17 1.1.10.2 simonb * documentation and/or other materials provided with the distribution. 18 1.1.10.2 simonb * 3. All advertising materials mentioning features or use of this software 19 1.1.10.2 simonb * must display the following acknowledgement: 20 1.1.10.2 simonb * This product includes software developed by the NetBSD 21 1.1.10.2 simonb * Foundation, Inc. and its contributors. 22 1.1.10.2 simonb * 4. Neither the name of The NetBSD Foundation nor the names of its 23 1.1.10.2 simonb * contributors may be used to endorse or promote products derived 24 1.1.10.2 simonb * from this software without specific prior written permission. 25 1.1.10.2 simonb * 26 1.1.10.2 simonb * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 1.1.10.2 simonb * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 1.1.10.2 simonb * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 1.1.10.2 simonb * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 1.1.10.2 simonb * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 1.1.10.2 simonb * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 1.1.10.2 simonb * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 1.1.10.2 simonb * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 1.1.10.2 simonb * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 1.1.10.2 simonb * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 1.1.10.2 simonb * POSSIBILITY OF SUCH DAMAGE. 37 1.1.10.2 simonb */ 38 1.1.10.2 simonb 39 1.1.10.2 simonb #include <sys/cdefs.h> 40 1.1.10.2 simonb __KERNEL_RCSID(0, "$NetBSD: pceb.c,v 1.1.10.2 2006/04/22 11:37:54 simonb Exp $"); 41 1.1.10.2 simonb 42 1.1.10.2 simonb #include <sys/types.h> 43 1.1.10.2 simonb #include <sys/param.h> 44 1.1.10.2 simonb #include <sys/systm.h> 45 1.1.10.2 simonb #include <sys/device.h> 46 1.1.10.2 simonb 47 1.1.10.2 simonb #include <machine/bus.h> 48 1.1.10.2 simonb 49 1.1.10.2 simonb #include <dev/isa/isavar.h> 50 1.1.10.2 simonb #include <dev/eisa/eisavar.h> 51 1.1.10.2 simonb 52 1.1.10.2 simonb #include <dev/pci/pcivar.h> 53 1.1.10.2 simonb #include <dev/pci/pcireg.h> 54 1.1.10.2 simonb 55 1.1.10.2 simonb #include <dev/pci/pcidevs.h> 56 1.1.10.2 simonb 57 1.1.10.2 simonb #include "eisa.h" 58 1.1.10.2 simonb #include "isa.h" 59 1.1.10.2 simonb 60 1.1.10.2 simonb int pcebmatch(struct device *, struct cfdata *, void *); 61 1.1.10.2 simonb void pcebattach(struct device *, struct device *, void *); 62 1.1.10.2 simonb 63 1.1.10.2 simonb CFATTACH_DECL(pceb, sizeof(struct device), 64 1.1.10.2 simonb pcebmatch, pcebattach, NULL, NULL); 65 1.1.10.2 simonb 66 1.1.10.2 simonb void pceb_callback(struct device *); 67 1.1.10.2 simonb 68 1.1.10.2 simonb union pceb_attach_args { 69 1.1.10.2 simonb const char *ea_name; /* XXX should be common */ 70 1.1.10.2 simonb struct isabus_attach_args ea_iba; 71 1.1.10.2 simonb struct eisabus_attach_args ea_eba; 72 1.1.10.2 simonb }; 73 1.1.10.2 simonb 74 1.1.10.2 simonb int 75 1.1.10.2 simonb pcebmatch(struct device *parent, struct cfdata *match, void *aux) 76 1.1.10.2 simonb { 77 1.1.10.2 simonb struct pci_attach_args *pa = aux; 78 1.1.10.2 simonb 79 1.1.10.2 simonb /* 80 1.1.10.2 simonb * Match anything which claims to be PCI-EISA bridge. 81 1.1.10.2 simonb */ 82 1.1.10.2 simonb if (PCI_CLASS(pa->pa_class) == PCI_CLASS_BRIDGE && 83 1.1.10.2 simonb PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_BRIDGE_EISA) 84 1.1.10.2 simonb return (1); 85 1.1.10.2 simonb 86 1.1.10.2 simonb /* 87 1.1.10.2 simonb * Match some known PCI-EISA bridges explicitly. 88 1.1.10.2 simonb * XXX this is probably not necessary, should be matched by above 89 1.1.10.2 simonb * condition 90 1.1.10.2 simonb */ 91 1.1.10.2 simonb switch (PCI_VENDOR(pa->pa_id)) { 92 1.1.10.2 simonb case PCI_VENDOR_INTEL: 93 1.1.10.2 simonb switch (PCI_PRODUCT(pa->pa_id)) { 94 1.1.10.2 simonb case PCI_PRODUCT_INTEL_PCEB: 95 1.1.10.2 simonb return (1); 96 1.1.10.2 simonb } 97 1.1.10.2 simonb break; 98 1.1.10.2 simonb } 99 1.1.10.2 simonb 100 1.1.10.2 simonb return (0); 101 1.1.10.2 simonb } 102 1.1.10.2 simonb 103 1.1.10.2 simonb void 104 1.1.10.2 simonb pcebattach(struct device *parent, struct device *self, void *aux) 105 1.1.10.2 simonb { 106 1.1.10.2 simonb struct pci_attach_args *pa = aux; 107 1.1.10.2 simonb char devinfo[256]; 108 1.1.10.2 simonb int error; 109 1.1.10.2 simonb 110 1.1.10.2 simonb printf("\n"); 111 1.1.10.2 simonb 112 1.1.10.2 simonb /* 113 1.1.10.2 simonb * Just print out a description and defer configuration 114 1.1.10.2 simonb * until all PCI devices have been attached. 115 1.1.10.2 simonb */ 116 1.1.10.2 simonb pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo, sizeof(devinfo)); 117 1.1.10.2 simonb printf("%s: %s (rev. 0x%02x)\n", self->dv_xname, devinfo, 118 1.1.10.2 simonb PCI_REVISION(pa->pa_class)); 119 1.1.10.2 simonb 120 1.1.10.2 simonb prep_eisa_io_space_tag.pbs_extent = prep_io_space_tag.pbs_extent; 121 1.1.10.2 simonb error = bus_space_init(&prep_eisa_io_space_tag, "eisa-ioport", NULL, 0); 122 1.1.10.2 simonb if (error) 123 1.1.10.2 simonb panic("prep_bus_space_init: can't init eisa io tag"); 124 1.1.10.2 simonb 125 1.1.10.2 simonb prep_eisa_mem_space_tag.pbs_extent = prep_mem_space_tag.pbs_extent; 126 1.1.10.2 simonb error = bus_space_init(&prep_eisa_mem_space_tag, "eisa-iomem", NULL, 0); 127 1.1.10.2 simonb if (error) 128 1.1.10.2 simonb panic("prep_bus_space_init: can't init eisa mem tag"); 129 1.1.10.2 simonb 130 1.1.10.2 simonb config_defer(self, pceb_callback); 131 1.1.10.2 simonb } 132 1.1.10.2 simonb 133 1.1.10.2 simonb void 134 1.1.10.2 simonb pceb_callback(struct device *self) 135 1.1.10.2 simonb { 136 1.1.10.2 simonb union pceb_attach_args ea; 137 1.1.10.2 simonb 138 1.1.10.2 simonb /* 139 1.1.10.2 simonb * Attach the EISA bus behind this bridge. 140 1.1.10.2 simonb */ 141 1.1.10.2 simonb memset(&ea, 0, sizeof(ea)); 142 1.1.10.2 simonb ea.ea_eba.eba_iot = &prep_eisa_io_space_tag; 143 1.1.10.2 simonb ea.ea_eba.eba_memt = &prep_eisa_mem_space_tag; 144 1.1.10.2 simonb #if NEISA > 0 145 1.1.10.2 simonb ea.ea_eba.eba_dmat = &eisa_bus_dma_tag; 146 1.1.10.2 simonb #endif 147 1.1.10.2 simonb config_found_ia(self, "eisabus", &ea.ea_eba, eisabusprint); 148 1.1.10.2 simonb 149 1.1.10.2 simonb /* 150 1.1.10.2 simonb * Attach the ISA bus behind this bridge. 151 1.1.10.2 simonb */ 152 1.1.10.2 simonb memset(&ea, 0, sizeof(ea)); 153 1.1.10.2 simonb ea.ea_iba.iba_iot = &prep_isa_io_space_tag; 154 1.1.10.2 simonb ea.ea_iba.iba_memt = &prep_isa_mem_space_tag; 155 1.1.10.2 simonb #if NISA > 0 156 1.1.10.2 simonb ea.ea_iba.iba_dmat = &isa_bus_dma_tag; 157 1.1.10.2 simonb #endif 158 1.1.10.2 simonb config_found_ia(self, "isabus", &ea.ea_iba, isabusprint); 159 1.1.10.2 simonb } 160
Indexes created Wed Oct 22 13:09:56 GMT 2025