mainbus.c revision 1.1
1/* $NetBSD: mainbus.c,v 1.1 2001/05/28 16:22:16 thorpej Exp $ */ 2 3/*- 4 * Copyright (c) 2001 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39#include "opt_algor_p4032.h" 40#include "opt_algor_p5064.h" 41#include "opt_algor_p6032.h" 42 43#include "opt_pci.h" 44 45#include <sys/param.h> 46#include <sys/systm.h> 47#include <sys/conf.h> 48#include <sys/reboot.h> 49#include <sys/device.h> 50#include <sys/malloc.h> 51#include <sys/extent.h> 52 53#include <machine/bus.h> 54#include <machine/autoconf.h> 55 56#include <dev/pci/pcivar.h> 57#include <dev/pci/pciconf.h> 58 59#include "locators.h" 60#include "pci.h" 61 62int mainbus_match(struct device *, struct cfdata *, void *); 63void mainbus_attach(struct device *, struct device *, void *); 64 65struct cfattach mainbus_ca = { 66 sizeof(struct device), mainbus_match, mainbus_attach, 67}; 68 69int mainbus_print(void *, const char *); 70int mainbus_submatch(struct device *, struct cfdata *, void *); 71 72/* There can be only one. */ 73int mainbus_found; 74 75#if defined(ALGOR_P5064) 76#include <algor/algor/algor_p5064reg.h> 77#include <algor/algor/algor_p5064var.h> 78 79struct mainbus_attach_args mainbusdevs[] = { 80 { "cpu", -1 }, 81 { "vtpbc", P5064_V360EPC }, 82 83 { NULL, 0 }, 84}; 85#endif /* ALGOR_P5064 */ 86 87int 88mainbus_match(struct device *parent, struct cfdata *cf, void *aux) 89{ 90 91 if (mainbus_found) 92 return (0); 93 94 return (1); 95} 96 97void 98mainbus_attach(struct device *parent, struct device *self, void *aux) 99{ 100 struct mainbus_attach_args *ma; 101#if defined(PCI_NETBSD_CONFIGURE) 102 struct extent *ioext, *memext; 103 pci_chipset_tag_t pc; 104#endif 105 106 mainbus_found = 1; 107 108 printf("\n"); 109 110#if NPCI > 0 && defined(PCI_NETBSD_CONFIGURE) 111#if defined(ALGOR_P5064) 112 /* 113 * Reserve the bottom 512K of the I/O space for ISA devices. 114 * According to the PMON sources, this is a work-around for 115 * a bug in the ISA bridge. 116 */ 117 ioext = extent_create("pciio", 0x00080000, 0x00ffffff, 118 M_DEVBUF, NULL, 0, EX_NOWAIT); 119 memext = extent_create("pcimem", 0x01000000, 0x07ffffff, 120 M_DEVBUF, NULL, 0, EX_NOWAIT); 121 122 pc = &p5064_configuration.ac_pc; 123#endif /* ALGOR_P5064 */ 124 125 pci_configure_bus(pc, ioext, memext, NULL); 126 extent_destroy(ioext); 127 extent_destroy(memext); 128#endif /* NPCI > 0 && defined(PCI_NETBSD_CONFIGURE) */ 129 130 for (ma = mainbusdevs; ma->ma_name != NULL; ma++) 131 (void) config_found_sm(self, ma, mainbus_print, 132 mainbus_submatch); 133} 134 135int 136mainbus_print(void *aux, const char *pnp) 137{ 138 struct mainbus_attach_args *ma = aux; 139 140 if (pnp) 141 printf("%s at %s", ma->ma_name, pnp); 142 if (ma->ma_addr != (bus_addr_t) -1) 143 printf(" %s 0x%lx", mainbuscf_locnames[MAINBUSCF_ADDR], 144 ma->ma_addr); 145 146 return (UNCONF); 147} 148 149int 150mainbus_submatch(struct device *parent, struct cfdata *cf, void *aux) 151{ 152 struct mainbus_attach_args *ma = aux; 153 154 if (cf->cf_loc[MAINBUSCF_ADDR] != MAINBUSCF_ADDR_DEFAULT && 155 cf->cf_loc[MAINBUSCF_ADDR] != ma->ma_addr) 156 return (0); 157 158 return ((*cf->cf_attach->ca_match)(parent, cf, aux)); 159} 160