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obio.c revision 1.8 
      1 /*	$NetBSD: obio.c,v 1.8 2000/02/07 20:30:05 tsubai Exp $	*/
      2 
      3 /*-
      4  * Copyright (C) 1998	Internet Research Institute, Inc.
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *	This product includes software developed by
     18  *	Internet Research Institute, Inc.
     19  * 4. The name of the author may not be used to endorse or promote products
     20  *    derived from this software without specific prior written permission.
     21  *
     22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     23  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     24  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     25  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     26  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     27  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     28  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     29  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     30  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     31  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     32  */
     33 
     34 #include <sys/types.h>
     35 #include <sys/param.h>
     36 #include <sys/systm.h>
     37 #include <sys/kernel.h>
     38 #include <sys/device.h>
     39 
     40 #include <dev/pci/pcivar.h>
     41 #include <dev/pci/pcidevs.h>
     42 
     43 #include <dev/ofw/openfirm.h>
     44 
     45 #include <machine/autoconf.h>
     46 
     47 static void obio_attach __P((struct device *, struct device *, void *));
     48 static int obio_match __P((struct device *, struct cfdata *, void *));
     49 static int obio_print __P((void *, const char *));
     50 
     51 struct obio_softc {
     52 	struct device sc_dev;
     53 	int sc_node;
     54 };
     55 
     56 
     57 struct cfattach obio_ca = {
     58 	sizeof(struct obio_softc), obio_match, obio_attach
     59 };
     60 
     61 int
     62 obio_match(parent, cf, aux)
     63 	struct device *parent;
     64 	struct cfdata *cf;
     65 	void *aux;
     66 {
     67 	struct pci_attach_args *pa = aux;
     68 
     69 	if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_APPLE)
     70 		switch (PCI_PRODUCT(pa->pa_id)) {
     71 
     72 		case PCI_PRODUCT_APPLE_GC:
     73 		case PCI_PRODUCT_APPLE_OHARE:
     74 		case PCI_PRODUCT_APPLE_HEATHROW:
     75 		case PCI_PRODUCT_APPLE_PADDINGTON:
     76 		case PCI_PRODUCT_APPLE_KEYLARGO:
     77 			return 1;
     78 		}
     79 
     80 	return 0;
     81 }
     82 
     83 /*
     84  * Attach all the sub-devices we can find
     85  */
     86 void
     87 obio_attach(parent, self, aux)
     88 	struct device *parent, *self;
     89 	void *aux;
     90 {
     91 	struct obio_softc *sc = (struct obio_softc *)self;
     92 	struct pci_attach_args *pa = aux;
     93 	struct confargs ca;
     94 	int node, child, namelen;
     95 	u_int reg[20];
     96 	int intr[5];
     97 	char name[32];
     98 
     99 	switch (PCI_PRODUCT(pa->pa_id)) {
    100 
    101 	/* XXX should not use name */
    102 	case PCI_PRODUCT_APPLE_GC:
    103 		node = OF_finddevice("/bandit/gc");
    104 		break;
    105 
    106 	case PCI_PRODUCT_APPLE_OHARE:
    107 		node = OF_finddevice("/bandit/ohare");
    108 		break;
    109 
    110 	case PCI_PRODUCT_APPLE_HEATHROW:
    111 	case PCI_PRODUCT_APPLE_PADDINGTON:
    112 	case PCI_PRODUCT_APPLE_KEYLARGO:
    113 		node = OF_finddevice("mac-io");
    114 		if (node == -1)
    115 			node = OF_finddevice("/pci/mac-io");
    116 		break;
    117 
    118 	default:
    119 		printf("obio_attach: unknown obio controller\n");
    120 		return;
    121 	}
    122 
    123 	sc->sc_node = node;
    124 
    125 	if (OF_getprop(node, "assigned-addresses", reg, sizeof(reg)) < 12)
    126 		return;
    127 	ca.ca_baseaddr = reg[2];
    128 
    129 	printf(": addr 0x%x\n", ca.ca_baseaddr);
    130 
    131 	for (child = OF_child(node); child; child = OF_peer(child)) {
    132 		namelen = OF_getprop(child, "name", name, sizeof(name));
    133 		if (namelen < 0)
    134 			continue;
    135 		if (namelen >= sizeof(name))
    136 			continue;
    137 
    138 		name[namelen] = 0;
    139 		ca.ca_name = name;
    140 		ca.ca_node = child;
    141 
    142 		ca.ca_nreg  = OF_getprop(child, "reg", reg, sizeof(reg));
    143 		ca.ca_nintr = OF_getprop(child, "AAPL,interrupts", intr,
    144 				sizeof(intr));
    145 		if (ca.ca_nintr == -1)
    146 			ca.ca_nintr = OF_getprop(child, "interrupts", intr,
    147 					sizeof(intr));
    148 
    149 		ca.ca_reg = reg;
    150 		ca.ca_intr = intr;
    151 
    152 		config_found(self, &ca, obio_print);
    153 	}
    154 }
    155 
    156 static char *skiplist[] = {
    157 	"interrupt-controller",
    158 	"gpio",
    159 	"escc-legacy",
    160 	"timer",
    161 	"i2c"
    162 	"power-mgt",
    163 };
    164 
    165 #define N_LIST (sizeof(skiplist) / sizeof(skiplist[0]))
    166 
    167 int
    168 obio_print(aux, obio)
    169 	void *aux;
    170 	const char *obio;
    171 {
    172 	struct confargs *ca = aux;
    173 	int i;
    174 
    175 	for (i = 0; i < N_LIST; i++)
    176 		if (strcmp(ca->ca_name, skiplist[i]) == 0)
    177 			return QUIET;
    178 
    179 	if (obio)
    180 		printf("%s at %s", ca->ca_name, obio);
    181 
    182 	if (ca->ca_nreg > 0)
    183 		printf(" offset 0x%x", ca->ca_reg[0]);
    184 
    185 	return UNCONF;
    186 }
    187