Annotation of sys/arch/mips64/mips64/mainbus.c, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: mainbus.c,v 1.4 2005/01/31 21:35:50 grange Exp $ */
! 2:
! 3: /*
! 4: * Copyright (c) 2001-2003 Opsycon AB (www.opsycon.se / www.opsycon.com)
! 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
! 18: * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
! 19: * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
! 20: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
! 21: * OR 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:
! 29: #include <sys/param.h>
! 30: #include <sys/systm.h>
! 31: #include <sys/device.h>
! 32: #include <sys/reboot.h>
! 33:
! 34: #include <mips64/archtype.h>
! 35: #include <machine/autoconf.h>
! 36:
! 37: struct mainbus_softc {
! 38: struct device sc_dv;
! 39: struct abus sc_bus;
! 40: };
! 41:
! 42: /* Definition of the mainbus driver. */
! 43: static int mbmatch(struct device *, void *, void *);
! 44: static void mbattach(struct device *, struct device *, void *);
! 45: static int mbprint(void *, const char *);
! 46:
! 47: struct cfattach mainbus_ca = {
! 48: sizeof(struct mainbus_softc), mbmatch, mbattach
! 49: };
! 50: struct cfdriver mainbus_cd = {
! 51: NULL, "mainbus", DV_DULL, NULL, 0
! 52: };
! 53:
! 54: void *mb_intr_establish(void *, u_long, int, int, int (*)(void *),
! 55: void *, char *);
! 56: void mb_intr_disestablish(void *, void *);
! 57: caddr_t mb_cvtaddr(struct confargs *);
! 58: int mb_matchname(struct confargs *, char *);
! 59:
! 60: static int
! 61: mbmatch(parent, cfdata, aux)
! 62: struct device *parent;
! 63: void *cfdata;
! 64: void *aux;
! 65: {
! 66: struct cfdata *cf = cfdata;
! 67:
! 68: if (cf->cf_unit > 0)
! 69: return(0);
! 70: return(1);
! 71: }
! 72:
! 73: static void
! 74: mbattach(parent, self, aux)
! 75: struct device *parent;
! 76: struct device *self;
! 77: void *aux;
! 78: {
! 79: struct mainbus_softc *sc = (struct mainbus_softc *)self;
! 80: struct confargs nca;
! 81:
! 82: printf("\n");
! 83:
! 84: sc->sc_bus.ab_dv = (struct device *)sc;
! 85: sc->sc_bus.ab_type = BUS_MAIN;
! 86: sc->sc_bus.ab_intr_establish = mb_intr_establish;
! 87: sc->sc_bus.ab_intr_disestablish = mb_intr_disestablish;
! 88: sc->sc_bus.ab_cvtaddr = mb_cvtaddr;
! 89: sc->sc_bus.ab_matchname = mb_matchname;
! 90:
! 91: /*
! 92: * Try to find and attach all of the CPUs in the machine.
! 93: * ( Right now only one CPU so code is simple )
! 94: */
! 95:
! 96: nca.ca_name = "cpu";
! 97: nca.ca_bus = &sc->sc_bus;
! 98: config_found(self, &nca, mbprint);
! 99:
! 100: /*
! 101: * Attach the clocks.
! 102: */
! 103: nca.ca_name = "clock";
! 104: nca.ca_bus = &sc->sc_bus;
! 105: config_found(self, &nca, mbprint);
! 106:
! 107: if (sys_config.system_type == SGI_INDY) {
! 108: nca.ca_name = "indy";
! 109: nca.ca_bus = &sc->sc_bus;
! 110: config_found(self, &nca, mbprint);
! 111: }
! 112: else if (sys_config.system_type == SGI_O2) {
! 113: nca.ca_name = "macebus";
! 114: nca.ca_bus = &sc->sc_bus;
! 115: config_found(self, &nca, mbprint);
! 116:
! 117: nca.ca_name = "macepcibr";
! 118: nca.ca_bus = &sc->sc_bus;
! 119: nca.ca_num = 0;
! 120: config_found(self, &nca, mbprint);
! 121: }
! 122: else if (sys_config.system_type == ALGOR_P4032 ||
! 123: sys_config.system_type == ALGOR_P5064 ||
! 124: sys_config.system_type == MOMENTUM_CP7000 ||
! 125: sys_config.system_type == MOMENTUM_CP7000G ||
! 126: sys_config.system_type == MOMENTUM_JAGUAR ||
! 127: sys_config.system_type == GALILEO_EV64240) {
! 128:
! 129: nca.ca_name = "localbus";
! 130: nca.ca_bus = &sc->sc_bus;
! 131: config_found(self, &nca, mbprint);
! 132:
! 133: nca.ca_name = "pcibr";
! 134: nca.ca_bus = &sc->sc_bus;
! 135: nca.ca_num = 0;
! 136: config_found(self, &nca, mbprint);
! 137:
! 138: nca.ca_name = "pcibr";
! 139: nca.ca_bus = &sc->sc_bus;
! 140: nca.ca_num = 1;
! 141: config_found(self, &nca, mbprint);
! 142: }
! 143: }
! 144:
! 145: static int
! 146: mbprint(aux, pnp)
! 147: void *aux;
! 148: const char *pnp;
! 149: {
! 150: if (pnp)
! 151: return (QUIET);
! 152: return (UNCONF);
! 153: }
! 154:
! 155: void *
! 156: mb_intr_establish(icp, irq, type, level, ih_fun, ih_arg, ih_what)
! 157: void *icp;
! 158: u_long irq; /* XXX pci_intr_handle_t compatible XXX */
! 159: int type;
! 160: int level;
! 161: int (*ih_fun)(void *);
! 162: void *ih_arg;
! 163: char *ih_what;
! 164: {
! 165: panic("can never mb_intr_establish");
! 166: }
! 167:
! 168: void
! 169: mb_intr_disestablish(void *p1, void *p2)
! 170: {
! 171: panic("can never mb_intr_disestablish");
! 172: }
! 173:
! 174: caddr_t
! 175: mb_cvtaddr(ca)
! 176: struct confargs *ca;
! 177: {
! 178: return (NULL);
! 179: }
! 180:
! 181: int
! 182: mb_matchname(ca, name)
! 183: struct confargs *ca;
! 184: char *name;
! 185: {
! 186: return (strcmp(name, ca->ca_name) == 0);
! 187: }
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