pcib.c revision 1.1.2.2
1 1.1.2.2 nathanw /* $NetBSD: pcib.c,v 1.1.2.2 2002/02/28 04:08:42 nathanw Exp $ */ 2 1.1.2.2 nathanw 3 1.1.2.2 nathanw /*- 4 1.1.2.2 nathanw * Copyright (c) 1996, 1998 The NetBSD Foundation, Inc. 5 1.1.2.2 nathanw * All rights reserved. 6 1.1.2.2 nathanw * 7 1.1.2.2 nathanw * This code is derived from software contributed to The NetBSD Foundation 8 1.1.2.2 nathanw * by Jason R. Thorpe. 9 1.1.2.2 nathanw * 10 1.1.2.2 nathanw * Redistribution and use in source and binary forms, with or without 11 1.1.2.2 nathanw * modification, are permitted provided that the following conditions 12 1.1.2.2 nathanw * are met: 13 1.1.2.2 nathanw * 1. Redistributions of source code must retain the above copyright 14 1.1.2.2 nathanw * notice, this list of conditions and the following disclaimer. 15 1.1.2.2 nathanw * 2. Redistributions in binary form must reproduce the above copyright 16 1.1.2.2 nathanw * notice, this list of conditions and the following disclaimer in the 17 1.1.2.2 nathanw * documentation and/or other materials provided with the distribution. 18 1.1.2.2 nathanw * 3. All advertising materials mentioning features or use of this software 19 1.1.2.2 nathanw * must display the following acknowledgement: 20 1.1.2.2 nathanw * This product includes software developed by the NetBSD 21 1.1.2.2 nathanw * Foundation, Inc. and its contributors. 22 1.1.2.2 nathanw * 4. Neither the name of The NetBSD Foundation nor the names of its 23 1.1.2.2 nathanw * contributors may be used to endorse or promote products derived 24 1.1.2.2 nathanw * from this software without specific prior written permission. 25 1.1.2.2 nathanw * 26 1.1.2.2 nathanw * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 1.1.2.2 nathanw * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 1.1.2.2 nathanw * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 1.1.2.2 nathanw * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 1.1.2.2 nathanw * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 1.1.2.2 nathanw * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 1.1.2.2 nathanw * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 1.1.2.2 nathanw * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 1.1.2.2 nathanw * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 1.1.2.2 nathanw * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 1.1.2.2 nathanw * POSSIBILITY OF SUCH DAMAGE. 37 1.1.2.2 nathanw * 38 1.1.2.2 nathanw * from: i386/pci/pcib.c,v 1.12 39 1.1.2.2 nathanw */ 40 1.1.2.2 nathanw 41 1.1.2.2 nathanw #include <sys/param.h> 42 1.1.2.2 nathanw #include <sys/systm.h> 43 1.1.2.2 nathanw #include <sys/device.h> 44 1.1.2.2 nathanw 45 1.1.2.2 nathanw #include <machine/bus.h> 46 1.1.2.2 nathanw 47 1.1.2.2 nathanw #include <dev/isa/isavar.h> 48 1.1.2.2 nathanw 49 1.1.2.2 nathanw #include <dev/pci/pcivar.h> 50 1.1.2.2 nathanw #include <dev/pci/pcireg.h> 51 1.1.2.2 nathanw 52 1.1.2.2 nathanw #include <dev/pci/pcidevs.h> 53 1.1.2.2 nathanw 54 1.1.2.2 nathanw #include "isadma.h" 55 1.1.2.2 nathanw 56 1.1.2.2 nathanw int pcibmatch __P((struct device *, struct cfdata *, void *)); 57 1.1.2.2 nathanw void pcibattach __P((struct device *, struct device *, void *)); 58 1.1.2.2 nathanw 59 1.1.2.2 nathanw struct cfattach pcib_ca = { 60 1.1.2.2 nathanw sizeof(struct device), pcibmatch, pcibattach 61 1.1.2.2 nathanw }; 62 1.1.2.2 nathanw 63 1.1.2.2 nathanw void pcib_callback __P((struct device *)); 64 1.1.2.2 nathanw int pcib_print __P((void *, const char *)); 65 1.1.2.2 nathanw 66 1.1.2.2 nathanw int 67 1.1.2.2 nathanw pcibmatch(parent, match, aux) 68 1.1.2.2 nathanw struct device *parent; 69 1.1.2.2 nathanw struct cfdata *match; 70 1.1.2.2 nathanw void *aux; 71 1.1.2.2 nathanw { 72 1.1.2.2 nathanw struct pci_attach_args *pa = aux; 73 1.1.2.2 nathanw 74 1.1.2.2 nathanw /* 75 1.1.2.2 nathanw * Match tested PCI-ISA bridges. 76 1.1.2.2 nathanw */ 77 1.1.2.2 nathanw switch (PCI_VENDOR(pa->pa_id)) { 78 1.1.2.2 nathanw case PCI_VENDOR_ALI: 79 1.1.2.2 nathanw switch (PCI_PRODUCT(pa->pa_id)) { 80 1.1.2.2 nathanw case PCI_PRODUCT_ALI_M1543: 81 1.1.2.2 nathanw return (1); 82 1.1.2.2 nathanw } 83 1.1.2.2 nathanw break; 84 1.1.2.2 nathanw } 85 1.1.2.2 nathanw 86 1.1.2.2 nathanw return (0); 87 1.1.2.2 nathanw } 88 1.1.2.2 nathanw 89 1.1.2.2 nathanw void 90 1.1.2.2 nathanw pcibattach(parent, self, aux) 91 1.1.2.2 nathanw struct device *parent, *self; 92 1.1.2.2 nathanw void *aux; 93 1.1.2.2 nathanw { 94 1.1.2.2 nathanw struct pci_attach_args *pa = aux; 95 1.1.2.2 nathanw char devinfo[256]; 96 1.1.2.2 nathanw 97 1.1.2.2 nathanw printf("\n"); 98 1.1.2.2 nathanw 99 1.1.2.2 nathanw /* 100 1.1.2.2 nathanw * Just print out a description and set the ISA bus 101 1.1.2.2 nathanw * callback. 102 1.1.2.2 nathanw */ 103 1.1.2.2 nathanw pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo); 104 1.1.2.2 nathanw printf("%s: %s (rev. 0x%02x)\n", self->dv_xname, devinfo, 105 1.1.2.2 nathanw PCI_REVISION(pa->pa_class)); 106 1.1.2.2 nathanw 107 1.1.2.2 nathanw /* Set the ISA bus callback */ 108 1.1.2.2 nathanw config_defer(self, pcib_callback); 109 1.1.2.2 nathanw } 110 1.1.2.2 nathanw 111 1.1.2.2 nathanw void 112 1.1.2.2 nathanw pcib_callback(self) 113 1.1.2.2 nathanw struct device *self; 114 1.1.2.2 nathanw { 115 1.1.2.2 nathanw struct isabus_attach_args iba; 116 1.1.2.2 nathanw 117 1.1.2.2 nathanw /* 118 1.1.2.2 nathanw * Attach the ISA bus behind this bridge. 119 1.1.2.2 nathanw */ 120 1.1.2.2 nathanw memset(&iba, 0, sizeof(iba)); 121 1.1.2.2 nathanw iba.iba_busname = "isa"; 122 1.1.2.2 nathanw iba.iba_iot = &isa_io_bs_tag; 123 1.1.2.2 nathanw iba.iba_memt = &isa_mem_bs_tag; 124 1.1.2.2 nathanw #if NISADMA > 0 125 1.1.2.2 nathanw iba.iba_dmat = &isa_bus_dma_tag; 126 1.1.2.2 nathanw #endif 127 1.1.2.2 nathanw config_found(self, &iba, pcib_print); 128 1.1.2.2 nathanw } 129 1.1.2.2 nathanw 130 1.1.2.2 nathanw int 131 1.1.2.2 nathanw pcib_print(aux, pnp) 132 1.1.2.2 nathanw void *aux; 133 1.1.2.2 nathanw const char *pnp; 134 1.1.2.2 nathanw { 135 1.1.2.2 nathanw 136 1.1.2.2 nathanw /* Only ISAs can attach to pcib's; easy. */ 137 1.1.2.2 nathanw if (pnp) 138 1.1.2.2 nathanw printf("isa at %s", pnp); 139 1.1.2.2 nathanw return (UNCONF); 140 1.1.2.2 nathanw } 141
Indexes created Thu Oct 02 14:10:14 GMT 2025