Annotation of sys/arch/arm/mainbus/mainbus.c, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: mainbus.c,v 1.3 2005/12/31 23:03:58 drahn Exp $ */
! 2: /* $NetBSD: mainbus.c,v 1.3 2001/06/13 17:52:43 nathanw Exp $ */
! 3:
! 4: /*
! 5: * Copyright (c) 1994,1995 Mark Brinicombe.
! 6: * Copyright (c) 1994 Brini.
! 7: * All rights reserved.
! 8: *
! 9: * Redistribution and use in source and binary forms, with or without
! 10: * modification, are permitted provided that the following conditions
! 11: * are met:
! 12: * 1. Redistributions of source code must retain the above copyright
! 13: * notice, this list of conditions and the following disclaimer.
! 14: * 2. Redistributions in binary form must reproduce the above copyright
! 15: * notice, this list of conditions and the following disclaimer in the
! 16: * documentation and/or other materials provided with the distribution.
! 17: * 3. All advertising materials mentioning features or use of this software
! 18: * must display the following acknowledgement:
! 19: * This product includes software developed by Brini.
! 20: * 4. The name of the company nor the name of the author may be used to
! 21: * endorse or promote products derived from this software without specific
! 22: * prior written permission.
! 23: *
! 24: * THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR IMPLIED
! 25: * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
! 26: * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
! 27: * IN NO EVENT SHALL BRINI OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
! 28: * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
! 29: * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
! 30: * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 31: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
! 32: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
! 33: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
! 34: * SUCH DAMAGE.
! 35: *
! 36: * RiscBSD kernel project
! 37: *
! 38: * mainbus.c
! 39: *
! 40: * mainbus configuration
! 41: *
! 42: * Created : 15/12/94
! 43: */
! 44:
! 45: #include <sys/param.h>
! 46: #include <sys/systm.h>
! 47: #include <sys/kernel.h>
! 48: #include <sys/conf.h>
! 49: #include <sys/malloc.h>
! 50: #include <sys/device.h>
! 51:
! 52: #if defined(arm32) /* XXX */
! 53: #include <machine/io.h>
! 54: #endif
! 55: #include <machine/bus.h>
! 56: #include <arm/mainbus/mainbus.h>
! 57: /*
! 58: #include "locators.h"
! 59: */
! 60:
! 61: /*
! 62: * mainbus is a root device so we a bus space tag to pass to children
! 63: *
! 64: * The tag is provided by mainbus_io.c and mainbus_io_asm.S
! 65: */
! 66:
! 67: extern struct bus_space mainbus_bs_tag;
! 68:
! 69: /* Prototypes for functions provided */
! 70:
! 71: int mainbusmatch (struct device *, void *, void *);
! 72: void mainbusattach (struct device *, struct device *, void *);
! 73: int mainbusprint (void *aux, const char *mainbus);
! 74: int mainbussearch (struct device *, void *, void *);
! 75:
! 76: /* attach and device structures for the device */
! 77:
! 78: struct cfattach mainbus_ca = {
! 79: sizeof(struct device), mainbusmatch, mainbusattach
! 80: };
! 81:
! 82: struct cfdriver mainbus_cd = {
! 83: NULL, "mainbus", DV_DULL
! 84: };
! 85:
! 86: /*
! 87: * int mainbusmatch(struct device *parent, struct cfdata *cf, void *aux)
! 88: *
! 89: * Always match for unit 0
! 90: */
! 91:
! 92: int
! 93: mainbusmatch(struct device *parent, void *cf, void *aux)
! 94: {
! 95: return (1);
! 96: }
! 97:
! 98: /*
! 99: * void mainbusattach(struct device *parent, struct device *self, void *aux)
! 100: *
! 101: * probe and attach all children
! 102: */
! 103:
! 104: void
! 105: mainbusattach(struct device *parent, struct device *self, void *aux)
! 106: {
! 107: printf("\n");
! 108:
! 109: config_search(mainbussearch, self, self);
! 110: }
! 111:
! 112: int
! 113: mainbussearch(struct device *parent, void *c, void *aux)
! 114: {
! 115: struct mainbus_attach_args ma;
! 116: struct cfdata *cf = c;
! 117:
! 118:
! 119: ma.ma_iot = &mainbus_bs_tag;
! 120: ma.ma_name = cf->cf_driver->cd_name;
! 121:
! 122: config_found(parent, &ma, mainbusprint);
! 123:
! 124: return 1;
! 125: }
! 126:
! 127: /*
! 128: * int mainbusprint(void *aux, const char *mainbus)
! 129: *
! 130: * print routine used during config of children
! 131: */
! 132:
! 133: int
! 134: mainbusprint(void *aux, const char *mainbus)
! 135: {
! 136: /* XXXX print flags */
! 137: return (QUIET);
! 138: }
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