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pcib.c revision 1.2.10.3
      1  1.2.10.3  thorpej /*	$NetBSD: pcib.c,v 1.2.10.3 2003/01/03 16:48:30 thorpej Exp $	*/
      2  1.2.10.2  nathanw 
      3  1.2.10.2  nathanw /*-
      4  1.2.10.2  nathanw  * Copyright (c) 1996, 1998 The NetBSD Foundation, Inc.
      5  1.2.10.2  nathanw  * All rights reserved.
      6  1.2.10.2  nathanw  *
      7  1.2.10.2  nathanw  * This code is derived from software contributed to The NetBSD Foundation
      8  1.2.10.2  nathanw  * by Jason R. Thorpe.
      9  1.2.10.2  nathanw  *
     10  1.2.10.2  nathanw  * Redistribution and use in source and binary forms, with or without
     11  1.2.10.2  nathanw  * modification, are permitted provided that the following conditions
     12  1.2.10.2  nathanw  * are met:
     13  1.2.10.2  nathanw  * 1. Redistributions of source code must retain the above copyright
     14  1.2.10.2  nathanw  *    notice, this list of conditions and the following disclaimer.
     15  1.2.10.2  nathanw  * 2. Redistributions in binary form must reproduce the above copyright
     16  1.2.10.2  nathanw  *    notice, this list of conditions and the following disclaimer in the
     17  1.2.10.2  nathanw  *    documentation and/or other materials provided with the distribution.
     18  1.2.10.2  nathanw  * 3. All advertising materials mentioning features or use of this software
     19  1.2.10.2  nathanw  *    must display the following acknowledgement:
     20  1.2.10.2  nathanw  *        This product includes software developed by the NetBSD
     21  1.2.10.2  nathanw  *        Foundation, Inc. and its contributors.
     22  1.2.10.2  nathanw  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  1.2.10.2  nathanw  *    contributors may be used to endorse or promote products derived
     24  1.2.10.2  nathanw  *    from this software without specific prior written permission.
     25  1.2.10.2  nathanw  *
     26  1.2.10.2  nathanw  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  1.2.10.2  nathanw  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  1.2.10.2  nathanw  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  1.2.10.2  nathanw  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  1.2.10.2  nathanw  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  1.2.10.2  nathanw  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  1.2.10.2  nathanw  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  1.2.10.2  nathanw  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  1.2.10.2  nathanw  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  1.2.10.2  nathanw  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  1.2.10.2  nathanw  * POSSIBILITY OF SUCH DAMAGE.
     37  1.2.10.2  nathanw  *
     38  1.2.10.2  nathanw  * 	from:  i386/pci/pcib.c,v 1.12
     39  1.2.10.2  nathanw  */
     40  1.2.10.2  nathanw 
     41  1.2.10.2  nathanw #include <sys/param.h>
     42  1.2.10.2  nathanw #include <sys/systm.h>
     43  1.2.10.2  nathanw #include <sys/device.h>
     44  1.2.10.2  nathanw 
     45  1.2.10.2  nathanw #include <machine/bus.h>
     46  1.2.10.2  nathanw 
     47  1.2.10.2  nathanw #include <dev/isa/isavar.h>
     48  1.2.10.2  nathanw 
     49  1.2.10.2  nathanw #include <dev/pci/pcivar.h>
     50  1.2.10.2  nathanw #include <dev/pci/pcireg.h>
     51  1.2.10.2  nathanw 
     52  1.2.10.2  nathanw #include <dev/pci/pcidevs.h>
     53  1.2.10.2  nathanw 
     54  1.2.10.2  nathanw #include "isadma.h"
     55  1.2.10.2  nathanw 
     56  1.2.10.2  nathanw int	pcibmatch __P((struct device *, struct cfdata *, void *));
     57  1.2.10.2  nathanw void	pcibattach __P((struct device *, struct device *, void *));
     58  1.2.10.2  nathanw 
     59  1.2.10.2  nathanw CFATTACH_DECL(pcib, sizeof(struct device),
     60  1.2.10.2  nathanw     pcibmatch, pcibattach, NULL, NULL);
     61  1.2.10.2  nathanw 
     62  1.2.10.2  nathanw void	pcib_callback __P((struct device *));
     63  1.2.10.2  nathanw int	pcib_print __P((void *, const char *));
     64  1.2.10.2  nathanw 
     65  1.2.10.2  nathanw int
     66  1.2.10.2  nathanw pcibmatch(parent, match, aux)
     67  1.2.10.2  nathanw 	struct device *parent;
     68  1.2.10.2  nathanw 	struct cfdata *match;
     69  1.2.10.2  nathanw 	void *aux;
     70  1.2.10.2  nathanw {
     71  1.2.10.2  nathanw 	struct pci_attach_args *pa = aux;
     72  1.2.10.2  nathanw 
     73  1.2.10.2  nathanw 	/*
     74  1.2.10.2  nathanw 	 * Match tested PCI-ISA bridges.
     75  1.2.10.2  nathanw 	 */
     76  1.2.10.2  nathanw 	switch (PCI_VENDOR(pa->pa_id)) {
     77  1.2.10.2  nathanw 	case PCI_VENDOR_WINBOND:
     78  1.2.10.2  nathanw 		switch (PCI_PRODUCT(pa->pa_id)) {
     79  1.2.10.2  nathanw 		case PCI_PRODUCT_WINBOND_W83C553F_0:
     80  1.2.10.2  nathanw 			return (1);
     81  1.2.10.2  nathanw 		}
     82  1.2.10.2  nathanw 		break;
     83  1.2.10.2  nathanw 
     84  1.2.10.2  nathanw 	case PCI_VENDOR_SYMPHONY:
     85  1.2.10.2  nathanw 		switch (PCI_PRODUCT(pa->pa_id)) {
     86  1.2.10.2  nathanw 		case PCI_PRODUCT_SYMPHONY_83C553:
     87  1.2.10.2  nathanw 			return (1);
     88  1.2.10.2  nathanw 		}
     89  1.2.10.2  nathanw 		break;
     90  1.2.10.2  nathanw 	}
     91  1.2.10.2  nathanw 
     92  1.2.10.2  nathanw 	return (0);
     93  1.2.10.2  nathanw }
     94  1.2.10.2  nathanw 
     95  1.2.10.2  nathanw void
     96  1.2.10.2  nathanw pcibattach(parent, self, aux)
     97  1.2.10.2  nathanw 	struct device *parent, *self;
     98  1.2.10.2  nathanw 	void *aux;
     99  1.2.10.2  nathanw {
    100  1.2.10.2  nathanw 	struct pci_attach_args *pa = aux;
    101  1.2.10.2  nathanw 	char devinfo[256];
    102  1.2.10.2  nathanw 
    103  1.2.10.2  nathanw 	printf("\n");
    104  1.2.10.2  nathanw 
    105  1.2.10.2  nathanw 	/*
    106  1.2.10.2  nathanw 	 * Just print out a description and set the ISA bus
    107  1.2.10.2  nathanw 	 * callback.
    108  1.2.10.2  nathanw 	 */
    109  1.2.10.2  nathanw 	pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo);
    110  1.2.10.2  nathanw 	printf("%s: %s (rev. 0x%02x)\n", self->dv_xname, devinfo,
    111  1.2.10.2  nathanw 	    PCI_REVISION(pa->pa_class));
    112  1.2.10.2  nathanw 
    113  1.2.10.2  nathanw 	/* Set the ISA bus callback */
    114  1.2.10.2  nathanw 	config_defer(self, pcib_callback);
    115  1.2.10.2  nathanw }
    116  1.2.10.2  nathanw 
    117  1.2.10.2  nathanw void
    118  1.2.10.2  nathanw pcib_callback(self)
    119  1.2.10.2  nathanw 	struct device *self;
    120  1.2.10.2  nathanw {
    121  1.2.10.2  nathanw 	struct isabus_attach_args iba;
    122  1.2.10.2  nathanw 
    123  1.2.10.2  nathanw 	/*
    124  1.2.10.2  nathanw 	 * Attach the ISA bus behind this bridge.
    125  1.2.10.2  nathanw 	 */
    126  1.2.10.2  nathanw 	memset(&iba, 0, sizeof(iba));
    127  1.2.10.2  nathanw 	iba.iba_busname = "isa";
    128  1.2.10.2  nathanw 	iba.iba_iot = &isa_io_bs_tag;
    129  1.2.10.2  nathanw 	iba.iba_memt = &isa_mem_bs_tag;
    130  1.2.10.2  nathanw #if NISADMA > 0
    131  1.2.10.2  nathanw 	iba.iba_dmat = &isa_bus_dma_tag;
    132  1.2.10.2  nathanw #endif
    133  1.2.10.2  nathanw 	config_found(self, &iba, pcib_print);
    134  1.2.10.2  nathanw }
    135  1.2.10.2  nathanw 
    136  1.2.10.2  nathanw int
    137  1.2.10.2  nathanw pcib_print(aux, pnp)
    138  1.2.10.2  nathanw 	void *aux;
    139  1.2.10.2  nathanw 	const char *pnp;
    140  1.2.10.2  nathanw {
    141  1.2.10.2  nathanw 
    142  1.2.10.2  nathanw 	/* Only ISAs can attach to pcib's; easy. */
    143  1.2.10.2  nathanw 	if (pnp)
    144  1.2.10.3  thorpej 		aprint_normal("isa at %s", pnp);
    145  1.2.10.2  nathanw 	return (UNCONF);
    146  1.2.10.2  nathanw }
    147