obio.c revision 1.26.14.2
1 /* $NetBSD: obio.c,v 1.26.14.2 2007/06/18 03:00:17 macallan 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 1.26.14.2 2007/06/18 03:00:17 macallan 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(struct device *, struct device *, void *); 50 static int obio_match(struct device *, struct cfdata *, void *); 51 static int obio_print(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(struct device *parent, struct cfdata *cf, void *aux) 64 { 65 struct pci_attach_args *pa = aux; 66 67 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_APPLE) 68 switch (PCI_PRODUCT(pa->pa_id)) { 69 case PCI_PRODUCT_APPLE_GC: 70 case PCI_PRODUCT_APPLE_OHARE: 71 case PCI_PRODUCT_APPLE_HEATHROW: 72 case PCI_PRODUCT_APPLE_PADDINGTON: 73 case PCI_PRODUCT_APPLE_KEYLARGO: 74 case PCI_PRODUCT_APPLE_PANGEA_MACIO: 75 case PCI_PRODUCT_APPLE_INTREPID: 76 case PCI_PRODUCT_APPLE_K2: 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(struct device *parent, struct device *self, void *aux) 88 { 89 struct obio_softc *sc = (struct obio_softc *)self; 90 struct pci_attach_args *pa = aux; 91 struct confargs ca; 92 bus_space_handle_t bsh; 93 int node, child, namelen, error; 94 u_int reg[20]; 95 int intr[6], parent_intr = 0, parent_nintr = 0; 96 char name[32]; 97 char compat[32]; 98 99 switch (PCI_PRODUCT(pa->pa_id)) { 100 101 case PCI_PRODUCT_APPLE_GC: 102 case PCI_PRODUCT_APPLE_OHARE: 103 case PCI_PRODUCT_APPLE_HEATHROW: 104 case PCI_PRODUCT_APPLE_PADDINGTON: 105 case PCI_PRODUCT_APPLE_KEYLARGO: 106 case PCI_PRODUCT_APPLE_PANGEA_MACIO: 107 case PCI_PRODUCT_APPLE_INTREPID: 108 node = pcidev_to_ofdev(pa->pa_pc, pa->pa_tag); 109 if (node == -1) 110 node = OF_finddevice("mac-io"); 111 if (node == -1) 112 node = OF_finddevice("/pci/mac-io"); 113 break; 114 case PCI_PRODUCT_APPLE_K2: 115 node = OF_finddevice("mac-io"); 116 break; 117 118 default: 119 node = -1; 120 break; 121 } 122 if (node == -1) 123 panic("macio not found or unknown"); 124 125 sc->sc_node = node; 126 127 #if defined (PMAC_G5) 128 if (OF_getprop(node, "assigned-addresses", reg, sizeof(reg)) < 20) 129 { 130 return; 131 } 132 #else 133 if (OF_getprop(node, "assigned-addresses", reg, sizeof(reg)) < 12) 134 return; 135 #endif /* PMAC_G5 */ 136 137 ca.ca_baseaddr = reg[2]; 138 ca.ca_tag = pa->pa_memt; 139 error = bus_space_map (pa->pa_memt, ca.ca_baseaddr, 0x80, 0, &bsh); 140 if (error) 141 panic(": failed to map mac-io %#x", ca.ca_baseaddr); 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 aprint_normal("%s: enabling KeyLargo internal modem\n", 148 self->dv_xname); 149 bus_space_write_4(ca.ca_tag, bsh, 0x40, 150 bus_space_read_4(ca.ca_tag, bsh, 0x40) & ~(1<<25)); 151 } 152 153 /* Enable internal modem (Pangea) */ 154 if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_APPLE_PANGEA_MACIO) { 155 bus_space_write_1(ca.ca_tag, bsh, 0x006a + 0x03, 0x04); /* set reset */ 156 bus_space_write_1(ca.ca_tag, bsh, 0x006a + 0x02, 0x04); /* power modem on */ 157 bus_space_write_1(ca.ca_tag, bsh, 0x006a + 0x03, 0x05); /* unset reset */ 158 } 159 160 /* Gatwick and Paddington use same product ID */ 161 namelen = OF_getprop(node, "compatible", compat, sizeof(compat)); 162 163 if (strcmp(compat, "gatwick") == 0) { 164 parent_nintr = OF_getprop(node, "AAPL,interrupts", intr, 165 sizeof(intr)); 166 parent_intr = intr[0]; 167 } else { 168 /* Enable CD and microphone sound input. */ 169 if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_APPLE_PADDINGTON) 170 bus_space_write_1(ca.ca_tag, bsh, 0x37, 0x03); 171 } 172 173 bus_space_unmap(ca.ca_tag, bsh, 0x80); 174 175 for (child = OF_child(node); child; child = OF_peer(child)) { 176 namelen = OF_getprop(child, "name", name, sizeof(name)); 177 if (namelen < 0) 178 continue; 179 if (namelen >= sizeof(name)) 180 continue; 181 182 name[namelen] = 0; 183 ca.ca_name = name; 184 ca.ca_node = child; 185 ca.ca_tag = pa->pa_memt; 186 187 ca.ca_nreg = OF_getprop(child, "reg", reg, sizeof(reg)); 188 189 if (strcmp(compat, "gatwick") != 0) { 190 ca.ca_nintr = OF_getprop(child, "AAPL,interrupts", intr, 191 sizeof(intr)); 192 if (ca.ca_nintr == -1) 193 ca.ca_nintr = OF_getprop(child, "interrupts", intr, 194 sizeof(intr)); 195 } else { 196 intr[0] = parent_intr; 197 ca.ca_nintr = parent_nintr; 198 } 199 ca.ca_reg = reg; 200 ca.ca_intr = intr; 201 202 config_found(self, &ca, obio_print); 203 } 204 } 205 206 static const char * const skiplist[] = { 207 "interrupt-controller", 208 "gpio", 209 "escc-legacy", 210 "timer", 211 "i2c", 212 "power-mgt", 213 "escc" 214 215 }; 216 217 #define N_LIST (sizeof(skiplist) / sizeof(skiplist[0])) 218 219 int 220 obio_print(aux, obio) 221 void *aux; 222 const char *obio; 223 { 224 struct confargs *ca = aux; 225 int i; 226 227 for (i = 0; i < N_LIST; i++) 228 if (strcmp(ca->ca_name, skiplist[i]) == 0) 229 return QUIET; 230 231 if (obio) 232 aprint_normal("%s at %s", ca->ca_name, obio); 233 234 if (ca->ca_nreg > 0) 235 aprint_normal(" offset 0x%x", ca->ca_reg[0]); 236 237 return UNCONF; 238 } 239
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