obio.c revision 1.24
1 /* $NetBSD: obio.c,v 1.24 2006/08/05 21:26:48 sanjayl 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 1.24 2006/08/05 21:26:48 sanjayl 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 case PCI_PRODUCT_APPLE_K2: 80 return 1; 81 } 82 83 return 0; 84 } 85 86 /* 87 * Attach all the sub-devices we can find 88 */ 89 void 90 obio_attach(parent, self, aux) 91 struct device *parent, *self; 92 void *aux; 93 { 94 struct obio_softc *sc = (struct obio_softc *)self; 95 struct pci_attach_args *pa = aux; 96 struct confargs ca; 97 int node, child, namelen; 98 u_int reg[20]; 99 int intr[6], parent_intr = 0, parent_nintr = 0; 100 char name[32]; 101 char compat[32]; 102 103 switch (PCI_PRODUCT(pa->pa_id)) { 104 105 case PCI_PRODUCT_APPLE_GC: 106 case PCI_PRODUCT_APPLE_OHARE: 107 case PCI_PRODUCT_APPLE_HEATHROW: 108 case PCI_PRODUCT_APPLE_PADDINGTON: 109 case PCI_PRODUCT_APPLE_KEYLARGO: 110 case PCI_PRODUCT_APPLE_PANGEA_MACIO: 111 case PCI_PRODUCT_APPLE_INTREPID: 112 node = pcidev_to_ofdev(pa->pa_pc, pa->pa_tag); 113 if (node == -1) 114 node = OF_finddevice("mac-io"); 115 if (node == -1) 116 node = OF_finddevice("/pci/mac-io"); 117 break; 118 case PCI_PRODUCT_APPLE_K2: 119 node = OF_finddevice("mac-io"); 120 if (node == -1) 121 panic("macio not found"); 122 break; 123 124 default: 125 printf("obio_attach: unknown obio controller\n"); 126 return; 127 } 128 129 sc->sc_node = node; 130 131 #if defined (PMAC_G5) 132 if (OF_getprop(node, "assigned-addresses", reg, sizeof(reg)) < 20) 133 { 134 return; 135 } 136 #else 137 if (OF_getprop(node, "assigned-addresses", reg, sizeof(reg)) < 12) 138 return; 139 #endif /* PMAC_G5 */ 140 141 ca.ca_baseaddr = reg[2]; 142 143 printf(": addr 0x%x\n", ca.ca_baseaddr); 144 145 /* Enable internal modem (KeyLargo) */ 146 if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_APPLE_KEYLARGO) { 147 printf("enabling KeyLargo internal modem\n"); 148 out32rb(ca.ca_baseaddr + 0x40, 149 in32rb(ca.ca_baseaddr + 0x40) & ~((u_int32_t)1<<25)); 150 } 151 152 /* Enable internal modem (Pangea) */ 153 if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_APPLE_PANGEA_MACIO) { 154 out8(ca.ca_baseaddr + 0x006a + 0x03, 0x04); /* set reset */ 155 out8(ca.ca_baseaddr + 0x006a + 0x02, 0x04); /* power modem on */ 156 out8(ca.ca_baseaddr + 0x006a + 0x03, 0x05); /* unset reset */ 157 } 158 159 /* Gatwick and Paddington use same product ID */ 160 namelen = OF_getprop(node, "compatible", compat, sizeof(compat)); 161 162 if (strcmp(compat, "gatwick") == 0) { 163 parent_nintr = OF_getprop(node, "AAPL,interrupts", intr, 164 sizeof(intr)); 165 parent_intr = intr[0]; 166 } else { 167 /* Enable CD and microphone sound input. */ 168 if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_APPLE_PADDINGTON) 169 out8(ca.ca_baseaddr + 0x37, 0x03); 170 } 171 172 for (child = OF_child(node); child; child = OF_peer(child)) { 173 namelen = OF_getprop(child, "name", name, sizeof(name)); 174 if (namelen < 0) 175 continue; 176 if (namelen >= sizeof(name)) 177 continue; 178 179 name[namelen] = 0; 180 ca.ca_name = name; 181 ca.ca_node = child; 182 183 ca.ca_nreg = OF_getprop(child, "reg", reg, sizeof(reg)); 184 185 if (strcmp(compat, "gatwick") != 0) { 186 ca.ca_nintr = OF_getprop(child, "AAPL,interrupts", intr, 187 sizeof(intr)); 188 if (ca.ca_nintr == -1) 189 ca.ca_nintr = OF_getprop(child, "interrupts", intr, 190 sizeof(intr)); 191 } else { 192 intr[0] = parent_intr; 193 ca.ca_nintr = parent_nintr; 194 } 195 ca.ca_reg = reg; 196 ca.ca_intr = intr; 197 198 config_found(self, &ca, obio_print); 199 } 200 } 201 202 static const char *skiplist[] = { 203 "interrupt-controller", 204 "gpio", 205 "escc-legacy", 206 "timer", 207 "i2c", 208 "power-mgt", 209 "escc" 210 211 }; 212 213 #define N_LIST (sizeof(skiplist) / sizeof(skiplist[0])) 214 215 int 216 obio_print(aux, obio) 217 void *aux; 218 const char *obio; 219 { 220 struct confargs *ca = aux; 221 int i; 222 223 for (i = 0; i < N_LIST; i++) 224 if (strcmp(ca->ca_name, skiplist[i]) == 0) 225 return QUIET; 226 227 if (obio) 228 aprint_normal("%s at %s", ca->ca_name, obio); 229 230 if (ca->ca_nreg > 0) 231 aprint_normal(" offset 0x%x", ca->ca_reg[0]); 232 233 return UNCONF; 234 } 235
Indexes created Sat Sep 27 14:09:57 GMT 2025