pciconf_ofmethod.c revision 1.1.10.2
1 /* $NetBSD: pciconf_ofmethod.c,v 1.1.10.2 2007/12/03 19:04:04 ad Exp $ */ 2 3 /*- 4 * Copyright (c) 2007 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jochen Kunz and Tim Rightnour 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 /* 40 * Generic PowerPC functions for talking to a PCI Bridge via the RTAS or 41 * OF methods of the device. 42 */ 43 44 #include <sys/cdefs.h> 45 __KERNEL_RCSID(0, "$NetBSD: pciconf_ofmethod.c,v 1.1.10.2 2007/12/03 19:04:04 ad Exp $"); 46 47 #include <sys/types.h> 48 #include <sys/param.h> 49 #include <sys/time.h> 50 #include <sys/systm.h> 51 #include <sys/errno.h> 52 #include <sys/device.h> 53 54 #include <uvm/uvm_extern.h> 55 56 #define _POWERPC_BUS_DMA_PRIVATE 57 #include <machine/bus.h> 58 #include <machine/intr.h> 59 #include <machine/pio.h> 60 #include <dev/ofw/openfirm.h> 61 #include <dev/ofw/ofw_pci.h> 62 63 #if NISA > 0 64 #include <dev/isa/isavar.h> 65 #endif 66 67 #include <dev/pci/pcivar.h> 68 #include <dev/pci/pcireg.h> 69 #include <dev/pci/pcidevs.h> 70 71 void 72 genppc_pci_ofmethod_attach_hook(struct device *parent, struct device *self, 73 struct pcibus_attach_args *pba) 74 { 75 76 if (pba->pba_bus != 0) 77 return; 78 79 aprint_normal(": OFW method configuration space access"); 80 } 81 82 pcitag_t 83 genppc_pci_ofmethod_make_tag(void *v, int bus, int dev, int func) 84 { 85 return ((bus << OFW_PCI_PHYS_HI_BUSSHIFT) & OFW_PCI_PHYS_HI_BUSMASK) | 86 ((dev << OFW_PCI_PHYS_HI_DEVICESHIFT) & OFW_PCI_PHYS_HI_DEVICEMASK)| 87 ((func << OFW_PCI_PHYS_HI_FUNCTIONSHIFT) & 88 OFW_PCI_PHYS_HI_FUNCTIONMASK); 89 } 90 91 void 92 genppc_pci_ofmethod_decompose_tag(void *v, pcitag_t tag, int *bp, int *dp, 93 int *fp) 94 { 95 96 if (bp != NULL) 97 *bp = OFW_PCI_PHYS_HI_BUS(tag); 98 if (dp != NULL) 99 *dp = OFW_PCI_PHYS_HI_DEVICE(tag); 100 if (fp != NULL) 101 *fp = OFW_PCI_PHYS_HI_FUNCTION(tag); 102 return; 103 } 104 105 pcireg_t 106 genppc_pci_ofmethod_conf_read(void *v, pcitag_t tag, int reg) 107 { 108 pci_chipset_tag_t pc = (pci_chipset_tag_t)v; 109 pcireg_t data; 110 111 tag &= OFW_PCI_PHYS_HI_BUSMASK | OFW_PCI_PHYS_HI_DEVICEMASK | 112 OFW_PCI_PHYS_HI_FUNCTIONMASK; 113 tag |= reg & OFW_PCI_PHYS_HI_REGISTERMASK; 114 if (OF_call_method("config-l@", pc->pc_ihandle, 1, 1, tag, &data) < 0) 115 return (pcireg_t) -1; 116 /*printf("data=0x%x\n", data); */ 117 return data; 118 } 119 120 void 121 genppc_pci_ofmethod_conf_write(void *v, pcitag_t tag, int reg, pcireg_t data) 122 { 123 pci_chipset_tag_t pc = (pci_chipset_tag_t)v; 124 125 tag &= OFW_PCI_PHYS_HI_BUSMASK | OFW_PCI_PHYS_HI_DEVICEMASK | 126 OFW_PCI_PHYS_HI_FUNCTIONMASK; 127 tag |= reg & OFW_PCI_PHYS_HI_REGISTERMASK; 128 OF_call_method("config-l!", pc->pc_ihandle, 2, 0, data, tag); 129 } 130 /* $NetBSD: pciconf_ofmethod.c,v 1.1.10.2 2007/12/03 19:04:04 ad Exp $ */ 131 132 /*- 133 * Copyright (c) 2007 The NetBSD Foundation, Inc. 134 * All rights reserved. 135 * 136 * This code is derived from software contributed to The NetBSD Foundation 137 * by Jochen Kunz and Tim Rightnour 138 * 139 * Redistribution and use in source and binary forms, with or without 140 * modification, are permitted provided that the following conditions 141 * are met: 142 * 1. Redistributions of source code must retain the above copyright 143 * notice, this list of conditions and the following disclaimer. 144 * 2. Redistributions in binary form must reproduce the above copyright 145 * notice, this list of conditions and the following disclaimer in the 146 * documentation and/or other materials provided with the distribution. 147 * 3. All advertising materials mentioning features or use of this software 148 * must display the following acknowledgement: 149 * This product includes software developed by the NetBSD 150 * Foundation, Inc. and its contributors. 151 * 4. Neither the name of The NetBSD Foundation nor the names of its 152 * contributors may be used to endorse or promote products derived 153 * from this software without specific prior written permission. 154 * 155 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 156 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 157 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 158 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 159 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 160 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 161 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 162 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 163 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 164 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 165 * POSSIBILITY OF SUCH DAMAGE. 166 */ 167 168 /* 169 * Generic PowerPC functions for talking to a PCI Bridge via the RTAS or 170 * OF methods of the device. 171 */ 172 173 #include <sys/cdefs.h> 174 __KERNEL_RCSID(0, "$NetBSD: pciconf_ofmethod.c,v 1.1.10.2 2007/12/03 19:04:04 ad Exp $"); 175 176 #include <sys/types.h> 177 #include <sys/param.h> 178 #include <sys/time.h> 179 #include <sys/systm.h> 180 #include <sys/errno.h> 181 #include <sys/device.h> 182 183 #include <uvm/uvm_extern.h> 184 185 #define _POWERPC_BUS_DMA_PRIVATE 186 #include <machine/bus.h> 187 #include <machine/intr.h> 188 #include <machine/pio.h> 189 #include <dev/ofw/openfirm.h> 190 #include <dev/ofw/ofw_pci.h> 191 192 #if NISA > 0 193 #include <dev/isa/isavar.h> 194 #endif 195 196 #include <dev/pci/pcivar.h> 197 #include <dev/pci/pcireg.h> 198 #include <dev/pci/pcidevs.h> 199 200 void 201 genppc_pci_ofmethod_attach_hook(struct device *parent, struct device *self, 202 struct pcibus_attach_args *pba) 203 { 204 205 if (pba->pba_bus != 0) 206 return; 207 208 aprint_normal(": OFW method configuration space access"); 209 } 210 211 pcitag_t 212 genppc_pci_ofmethod_make_tag(void *v, int bus, int dev, int func) 213 { 214 return ((bus << OFW_PCI_PHYS_HI_BUSSHIFT) & OFW_PCI_PHYS_HI_BUSMASK) | 215 ((dev << OFW_PCI_PHYS_HI_DEVICESHIFT) & OFW_PCI_PHYS_HI_DEVICEMASK)| 216 ((func << OFW_PCI_PHYS_HI_FUNCTIONSHIFT) & 217 OFW_PCI_PHYS_HI_FUNCTIONMASK); 218 } 219 220 void 221 genppc_pci_ofmethod_decompose_tag(void *v, pcitag_t tag, int *bp, int *dp, 222 int *fp) 223 { 224 225 if (bp != NULL) 226 *bp = OFW_PCI_PHYS_HI_BUS(tag); 227 if (dp != NULL) 228 *dp = OFW_PCI_PHYS_HI_DEVICE(tag); 229 if (fp != NULL) 230 *fp = OFW_PCI_PHYS_HI_FUNCTION(tag); 231 return; 232 } 233 234 pcireg_t 235 genppc_pci_ofmethod_conf_read(void *v, pcitag_t tag, int reg) 236 { 237 pci_chipset_tag_t pc = (pci_chipset_tag_t)v; 238 pcireg_t data; 239 240 tag &= OFW_PCI_PHYS_HI_BUSMASK | OFW_PCI_PHYS_HI_DEVICEMASK | 241 OFW_PCI_PHYS_HI_FUNCTIONMASK; 242 tag |= reg & OFW_PCI_PHYS_HI_REGISTERMASK; 243 if (OF_call_method("config-l@", pc->pc_ihandle, 1, 1, tag, &data) < 0) 244 return (pcireg_t) -1; 245 /*printf("data=0x%x\n", data); */ 246 return data; 247 } 248 249 void 250 genppc_pci_ofmethod_conf_write(void *v, pcitag_t tag, int reg, pcireg_t data) 251 { 252 pci_chipset_tag_t pc = (pci_chipset_tag_t)v; 253 254 tag &= OFW_PCI_PHYS_HI_BUSMASK | OFW_PCI_PHYS_HI_DEVICEMASK | 255 OFW_PCI_PHYS_HI_FUNCTIONMASK; 256 tag |= reg & OFW_PCI_PHYS_HI_REGISTERMASK; 257 OF_call_method("config-l!", pc->pc_ihandle, 2, 0, data, tag); 258 } 259 /* $NetBSD: pciconf_ofmethod.c,v 1.1.10.2 2007/12/03 19:04:04 ad Exp $ */ 260 261 /*- 262 * Copyright (c) 2007 The NetBSD Foundation, Inc. 263 * All rights reserved. 264 * 265 * This code is derived from software contributed to The NetBSD Foundation 266 * by Jochen Kunz and Tim Rightnour 267 * 268 * Redistribution and use in source and binary forms, with or without 269 * modification, are permitted provided that the following conditions 270 * are met: 271 * 1. Redistributions of source code must retain the above copyright 272 * notice, this list of conditions and the following disclaimer. 273 * 2. Redistributions in binary form must reproduce the above copyright 274 * notice, this list of conditions and the following disclaimer in the 275 * documentation and/or other materials provided with the distribution. 276 * 3. All advertising materials mentioning features or use of this software 277 * must display the following acknowledgement: 278 * This product includes software developed by the NetBSD 279 * Foundation, Inc. and its contributors. 280 * 4. Neither the name of The NetBSD Foundation nor the names of its 281 * contributors may be used to endorse or promote products derived 282 * from this software without specific prior written permission. 283 * 284 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 285 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 286 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 287 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 288 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 289 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 290 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 291 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 292 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 293 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 294 * POSSIBILITY OF SUCH DAMAGE. 295 */ 296 297 /* 298 * Generic PowerPC functions for talking to a PCI Bridge via the RTAS or 299 * OF methods of the device. 300 */ 301 302 #include <sys/cdefs.h> 303 __KERNEL_RCSID(0, "$NetBSD: pciconf_ofmethod.c,v 1.1.10.2 2007/12/03 19:04:04 ad Exp $"); 304 305 #include <sys/types.h> 306 #include <sys/param.h> 307 #include <sys/time.h> 308 #include <sys/systm.h> 309 #include <sys/errno.h> 310 #include <sys/device.h> 311 312 #include <uvm/uvm_extern.h> 313 314 #define _POWERPC_BUS_DMA_PRIVATE 315 #include <machine/bus.h> 316 #include <machine/intr.h> 317 #include <machine/pio.h> 318 #include <dev/ofw/openfirm.h> 319 #include <dev/ofw/ofw_pci.h> 320 321 #if NISA > 0 322 #include <dev/isa/isavar.h> 323 #endif 324 325 #include <dev/pci/pcivar.h> 326 #include <dev/pci/pcireg.h> 327 #include <dev/pci/pcidevs.h> 328 329 void 330 genppc_pci_ofmethod_attach_hook(struct device *parent, struct device *self, 331 struct pcibus_attach_args *pba) 332 { 333 334 if (pba->pba_bus != 0) 335 return; 336 337 aprint_normal(": OFW method configuration space access"); 338 } 339 340 pcitag_t 341 genppc_pci_ofmethod_make_tag(void *v, int bus, int dev, int func) 342 { 343 return ((bus << OFW_PCI_PHYS_HI_BUSSHIFT) & OFW_PCI_PHYS_HI_BUSMASK) | 344 ((dev << OFW_PCI_PHYS_HI_DEVICESHIFT) & OFW_PCI_PHYS_HI_DEVICEMASK)| 345 ((func << OFW_PCI_PHYS_HI_FUNCTIONSHIFT) & 346 OFW_PCI_PHYS_HI_FUNCTIONMASK); 347 } 348 349 void 350 genppc_pci_ofmethod_decompose_tag(void *v, pcitag_t tag, int *bp, int *dp, 351 int *fp) 352 { 353 354 if (bp != NULL) 355 *bp = OFW_PCI_PHYS_HI_BUS(tag); 356 if (dp != NULL) 357 *dp = OFW_PCI_PHYS_HI_DEVICE(tag); 358 if (fp != NULL) 359 *fp = OFW_PCI_PHYS_HI_FUNCTION(tag); 360 return; 361 } 362 363 pcireg_t 364 genppc_pci_ofmethod_conf_read(void *v, pcitag_t tag, int reg) 365 { 366 pci_chipset_tag_t pc = (pci_chipset_tag_t)v; 367 pcireg_t data; 368 369 tag &= OFW_PCI_PHYS_HI_BUSMASK | OFW_PCI_PHYS_HI_DEVICEMASK | 370 OFW_PCI_PHYS_HI_FUNCTIONMASK; 371 tag |= reg & OFW_PCI_PHYS_HI_REGISTERMASK; 372 if (OF_call_method("config-l@", pc->pc_ihandle, 1, 1, tag, &data) < 0) 373 return (pcireg_t) -1; 374 /*printf("data=0x%x\n", data); */ 375 return data; 376 } 377 378 void 379 genppc_pci_ofmethod_conf_write(void *v, pcitag_t tag, int reg, pcireg_t data) 380 { 381 pci_chipset_tag_t pc = (pci_chipset_tag_t)v; 382 383 tag &= OFW_PCI_PHYS_HI_BUSMASK | OFW_PCI_PHYS_HI_DEVICEMASK | 384 OFW_PCI_PHYS_HI_FUNCTIONMASK; 385 tag |= reg & OFW_PCI_PHYS_HI_REGISTERMASK; 386 OF_call_method("config-l!", pc->pc_ihandle, 2, 0, data, tag); 387 } 388
Indexes created Fri Oct 17 23:09:53 GMT 2025