1 /* $NetBSD: obio.c,v 1.23 2005/12/11 12:18:03 christos 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/cdefs.h> 35 __KERNEL_RCSID(0, "$NetBSD: obio.c,v 1.23 2005/12/11 12:18:03 christos Exp $"); 36 37 #include <sys/param.h> 38 #include <sys/systm.h> 39 #include <sys/kernel.h> 40 #include <sys/device.h> 41 42 #include <dev/pci/pcivar.h> 43 #include <dev/pci/pcidevs.h> 44 45 #include <dev/ofw/openfirm.h> 46 47 #include <machine/autoconf.h> 48 49 static void obio_attach __P((struct device *, struct device *, void *)); 50 static int obio_match __P((struct device *, struct cfdata *, void *)); 51 static int obio_print __P((void *, const char *)); 52 53 struct obio_softc { 54 struct device sc_dev; 55 int sc_node; 56 }; 57 58 59 CFATTACH_DECL(obio, sizeof(struct obio_softc), 60 obio_match, obio_attach, NULL, NULL); 61 62 int 63 obio_match(parent, cf, aux) 64 struct device *parent; 65 struct cfdata *cf; 66 void *aux; 67 { 68 struct pci_attach_args *pa = aux; 69 70 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_APPLE) 71 switch (PCI_PRODUCT(pa->pa_id)) { 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 case PCI_PRODUCT_APPLE_PANGEA_MACIO: 78 case PCI_PRODUCT_APPLE_INTREPID: 79 return 1; 80 } 81 82 return 0; 83 } 84 85 /* 86 * Attach all the sub-devices we can find 87 */ 88 void 89 obio_attach(parent, self, aux) 90 struct device *parent, *self; 91 void *aux; 92 { 93 struct obio_softc *sc = (struct obio_softc *)self; 94 struct pci_attach_args *pa = aux; 95 struct confargs ca; 96 int node, child, namelen; 97 u_int reg[20]; 98 int intr[6], parent_intr = 0, parent_nintr = 0; 99 char name[32]; 100 char compat[32]; 101 102 switch (PCI_PRODUCT(pa->pa_id)) { 103 104 case PCI_PRODUCT_APPLE_GC: 105 case PCI_PRODUCT_APPLE_OHARE: 106 case PCI_PRODUCT_APPLE_HEATHROW: 107 case PCI_PRODUCT_APPLE_PADDINGTON: 108 case PCI_PRODUCT_APPLE_KEYLARGO: 109 case PCI_PRODUCT_APPLE_PANGEA_MACIO: 110 case PCI_PRODUCT_APPLE_INTREPID: 111 node = pcidev_to_ofdev(pa->pa_pc, pa->pa_tag); 112 if (node == -1) 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 /* Enable internal modem (KeyLargo) */ 132 if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_APPLE_KEYLARGO) { 133 printf("enabling KeyLargo internal modem\n"); 134 out32rb(ca.ca_baseaddr + 0x40, 135 in32rb(ca.ca_baseaddr + 0x40) & ~((u_int32_t)1<<25)); 136 } 137 138 /* Enable internal modem (Pangea) */ 139 if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_APPLE_PANGEA_MACIO) { 140 out8(ca.ca_baseaddr + 0x006a + 0x03, 0x04); /* set reset */ 141 out8(ca.ca_baseaddr + 0x006a + 0x02, 0x04); /* power modem on */ 142 out8(ca.ca_baseaddr + 0x006a + 0x03, 0x05); /* unset reset */ 143 } 144 145 /* Gatwick and Paddington use same product ID */ 146 namelen = OF_getprop(node, "compatible", compat, sizeof(compat)); 147 148 if (strcmp(compat, "gatwick") == 0) { 149 parent_nintr = OF_getprop(node, "AAPL,interrupts", intr, 150 sizeof(intr)); 151 parent_intr = intr[0]; 152 } else { 153 /* Enable CD and microphone sound input. */ 154 if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_APPLE_PADDINGTON) 155 out8(ca.ca_baseaddr + 0x37, 0x03); 156 } 157 158 for (child = OF_child(node); child; child = OF_peer(child)) { 159 namelen = OF_getprop(child, "name", name, sizeof(name)); 160 if (namelen < 0) 161 continue; 162 if (namelen >= sizeof(name)) 163 continue; 164 165 name[namelen] = 0; 166 ca.ca_name = name; 167 ca.ca_node = child; 168 169 ca.ca_nreg = OF_getprop(child, "reg", reg, sizeof(reg)); 170 171 if (strcmp(compat, "gatwick") != 0) { 172 ca.ca_nintr = OF_getprop(child, "AAPL,interrupts", intr, 173 sizeof(intr)); 174 if (ca.ca_nintr == -1) 175 ca.ca_nintr = OF_getprop(child, "interrupts", intr, 176 sizeof(intr)); 177 } else { 178 intr[0] = parent_intr; 179 ca.ca_nintr = parent_nintr; 180 } 181 ca.ca_reg = reg; 182 ca.ca_intr = intr; 183 184 config_found(self, &ca, obio_print); 185 } 186 } 187 188 static const char *skiplist[] = { 189 "interrupt-controller", 190 "gpio", 191 "escc-legacy", 192 "timer", 193 "i2c", 194 "power-mgt" 195 }; 196 197 #define N_LIST (sizeof(skiplist) / sizeof(skiplist[0])) 198 199 int 200 obio_print(aux, obio) 201 void *aux; 202 const char *obio; 203 { 204 struct confargs *ca = aux; 205 int i; 206 207 for (i = 0; i < N_LIST; i++) 208 if (strcmp(ca->ca_name, skiplist[i]) == 0) 209 return QUIET; 210 211 if (obio) 212 aprint_normal("%s at %s", ca->ca_name, obio); 213 214 if (ca->ca_nreg > 0) 215 aprint_normal(" offset 0x%x", ca->ca_reg[0]); 216 217 return UNCONF; 218 } 219