agp_amd64.c revision 241885
1133852Sobrien/*- 2150645Sjkim * Copyright (c) 2004, 2005 Jung-uk Kim <jkim@FreeBSD.org> 3133852Sobrien * All rights reserved. 4133852Sobrien * 5133852Sobrien * Redistribution and use in source and binary forms, with or without 6133852Sobrien * modification, are permitted provided that the following conditions 7133852Sobrien * are met: 8133852Sobrien * 1. Redistributions of source code must retain the above copyright 9133852Sobrien * notice, this list of conditions and the following disclaimer. 10133852Sobrien * 2. Redistributions in binary form must reproduce the above copyright 11133852Sobrien * notice, this list of conditions and the following disclaimer in the 12133852Sobrien * documentation and/or other materials provided with the distribution. 13133852Sobrien * 14133852Sobrien * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15133852Sobrien * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16133852Sobrien * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17133852Sobrien * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18133852Sobrien * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19133852Sobrien * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20133852Sobrien * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21133852Sobrien * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22133852Sobrien * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23133852Sobrien * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24133852Sobrien * SUCH DAMAGE. 25133852Sobrien */ 26133852Sobrien 27133852Sobrien#include <sys/cdefs.h> 28133852Sobrien__FBSDID("$FreeBSD: head/sys/dev/agp/agp_amd64.c 241885 2012-10-22 13:06:09Z eadler $"); 29133852Sobrien 30133852Sobrien#include "opt_bus.h" 31133852Sobrien 32133852Sobrien#include <sys/param.h> 33133852Sobrien#include <sys/systm.h> 34133852Sobrien#include <sys/malloc.h> 35133852Sobrien#include <sys/kernel.h> 36133852Sobrien#include <sys/module.h> 37133852Sobrien#include <sys/bus.h> 38133852Sobrien#include <sys/lock.h> 39133852Sobrien#include <sys/mutex.h> 40133852Sobrien#include <sys/proc.h> 41133852Sobrien 42173573Sjhb#include <dev/agp/agppriv.h> 43173573Sjhb#include <dev/agp/agpreg.h> 44133852Sobrien#include <dev/pci/pcivar.h> 45133852Sobrien#include <dev/pci/pcireg.h> 46133852Sobrien 47133852Sobrien#include <vm/vm.h> 48133852Sobrien#include <vm/vm_object.h> 49133852Sobrien#include <vm/pmap.h> 50133852Sobrien#include <machine/bus.h> 51133852Sobrien#include <machine/resource.h> 52133852Sobrien#include <sys/rman.h> 53133852Sobrien 54133852Sobrien/* XXX */ 55133852Sobrienextern void pci_cfgregwrite(int, int, int, int, uint32_t, int); 56133852Sobrienextern uint32_t pci_cfgregread(int, int, int, int, int); 57133852Sobrien 58150645Sjkimstatic void agp_amd64_apbase_fixup(device_t); 59150645Sjkim 60150645Sjkimstatic void agp_amd64_uli_init(device_t); 61150645Sjkimstatic int agp_amd64_uli_set_aperture(device_t, uint32_t); 62150645Sjkim 63150645Sjkimstatic int agp_amd64_nvidia_match(uint16_t); 64150645Sjkimstatic void agp_amd64_nvidia_init(device_t); 65150645Sjkimstatic int agp_amd64_nvidia_set_aperture(device_t, uint32_t); 66150645Sjkim 67152435Sjkimstatic int agp_amd64_via_match(void); 68152435Sjkimstatic void agp_amd64_via_init(device_t); 69152435Sjkimstatic int agp_amd64_via_set_aperture(device_t, uint32_t); 70152435Sjkim 71133852SobrienMALLOC_DECLARE(M_AGP); 72133852Sobrien 73133852Sobrien#define AMD64_MAX_MCTRL 8 74133852Sobrien 75133852Sobrienstruct agp_amd64_softc { 76133852Sobrien struct agp_softc agp; 77150645Sjkim uint32_t initial_aperture; 78150645Sjkim struct agp_gatt *gatt; 79150645Sjkim uint32_t apbase; 80150645Sjkim int mctrl[AMD64_MAX_MCTRL]; 81150645Sjkim int n_mctrl; 82152435Sjkim int via_agp; 83133852Sobrien}; 84133852Sobrien 85133852Sobrienstatic const char* 86133852Sobrienagp_amd64_match(device_t dev) 87133852Sobrien{ 88163181Sjkim if (pci_get_class(dev) != PCIC_BRIDGE || 89163181Sjkim pci_get_subclass(dev) != PCIS_BRIDGE_HOST || 90163181Sjkim agp_find_caps(dev) == 0) 91163181Sjkim return (NULL); 92133852Sobrien 93133852Sobrien switch (pci_get_devid(dev)) { 94133852Sobrien case 0x74541022: 95133852Sobrien return ("AMD 8151 AGP graphics tunnel"); 96141885Sanholt case 0x07551039: 97133852Sobrien return ("SiS 755 host to AGP bridge"); 98159075Sjkim case 0x07601039: 99159075Sjkim return ("SiS 760 host to AGP bridge"); 100150645Sjkim case 0x168910b9: 101150645Sjkim return ("ULi M1689 AGP Controller"); 102144517Sobrien case 0x00d110de: 103150645Sjkim if (agp_amd64_nvidia_match(0x00d2)) 104163181Sjkim return (NULL); 105144517Sobrien return ("NVIDIA nForce3 AGP Controller"); 106144809Sobrien case 0x00e110de: 107150645Sjkim if (agp_amd64_nvidia_match(0x00e2)) 108163181Sjkim return (NULL); 109144809Sobrien return ("NVIDIA nForce3-250 AGP Controller"); 110133852Sobrien case 0x02041106: 111133852Sobrien return ("VIA 8380 host to PCI bridge"); 112150645Sjkim case 0x02381106: 113150645Sjkim return ("VIA 3238 host to PCI bridge"); 114136133Sanholt case 0x02821106: 115136133Sanholt return ("VIA K8T800Pro host to PCI bridge"); 116133852Sobrien case 0x31881106: 117133852Sobrien return ("VIA 8385 host to PCI bridge"); 118133852Sobrien }; 119133852Sobrien 120163181Sjkim return (NULL); 121133852Sobrien} 122133852Sobrien 123133852Sobrienstatic int 124150645Sjkimagp_amd64_nvidia_match(uint16_t devid) 125150645Sjkim{ 126150645Sjkim /* XXX nForce3 requires secondary AGP bridge at 0:11:0. */ 127150645Sjkim if (pci_cfgregread(0, 11, 0, PCIR_CLASS, 1) != PCIC_BRIDGE || 128150645Sjkim pci_cfgregread(0, 11, 0, PCIR_SUBCLASS, 1) != PCIS_BRIDGE_PCI || 129150645Sjkim pci_cfgregread(0, 11, 0, PCIR_VENDOR, 2) != 0x10de || 130150645Sjkim pci_cfgregread(0, 11, 0, PCIR_DEVICE, 2) != devid) 131163181Sjkim return (ENXIO); 132150645Sjkim 133163181Sjkim return (0); 134150645Sjkim} 135150645Sjkim 136150645Sjkimstatic int 137152435Sjkimagp_amd64_via_match(void) 138152435Sjkim{ 139152435Sjkim /* XXX Some VIA bridge requires secondary AGP bridge at 0:1:0. */ 140152435Sjkim if (pci_cfgregread(0, 1, 0, PCIR_CLASS, 1) != PCIC_BRIDGE || 141152435Sjkim pci_cfgregread(0, 1, 0, PCIR_SUBCLASS, 1) != PCIS_BRIDGE_PCI || 142152435Sjkim pci_cfgregread(0, 1, 0, PCIR_VENDOR, 2) != 0x1106 || 143152435Sjkim pci_cfgregread(0, 1, 0, PCIR_DEVICE, 2) != 0xb188 || 144152435Sjkim (pci_cfgregread(0, 1, 0, AGP_VIA_AGPSEL, 1) & 2)) 145163181Sjkim return (0); 146152435Sjkim 147163181Sjkim return (1); 148152435Sjkim} 149152435Sjkim 150152435Sjkimstatic int 151133852Sobrienagp_amd64_probe(device_t dev) 152133852Sobrien{ 153133852Sobrien const char *desc; 154133852Sobrien 155241885Seadler if (resource_disabled("agp", device_get_unit(dev))) 156241885Seadler return (ENXIO); 157133852Sobrien if ((desc = agp_amd64_match(dev))) { 158133852Sobrien device_set_desc(dev, desc); 159163181Sjkim return (BUS_PROBE_DEFAULT); 160133852Sobrien } 161133852Sobrien 162163181Sjkim return (ENXIO); 163133852Sobrien} 164133852Sobrien 165133852Sobrienstatic int 166133852Sobrienagp_amd64_attach(device_t dev) 167133852Sobrien{ 168133852Sobrien struct agp_amd64_softc *sc = device_get_softc(dev); 169133852Sobrien struct agp_gatt *gatt; 170187100Sjkim uint32_t devid; 171133852Sobrien int i, n, error; 172133852Sobrien 173187100Sjkim for (i = 0, n = 0; i < PCI_SLOTMAX && n < AMD64_MAX_MCTRL; i++) { 174187100Sjkim devid = pci_cfgregread(0, i, 3, 0, 4); 175187100Sjkim if (devid == 0x11031022 || devid == 0x12031022) { 176133852Sobrien sc->mctrl[n] = i; 177133852Sobrien n++; 178133852Sobrien } 179187100Sjkim } 180133852Sobrien if (n == 0) 181163181Sjkim return (ENXIO); 182133852Sobrien 183133852Sobrien sc->n_mctrl = n; 184133852Sobrien 185161518Sjkim if (bootverbose) 186150645Sjkim device_printf(dev, "%d Miscellaneous Control unit(s) found.\n", 187150645Sjkim sc->n_mctrl); 188133852Sobrien 189133852Sobrien if ((error = agp_generic_attach(dev))) 190163181Sjkim return (error); 191133852Sobrien 192133852Sobrien sc->initial_aperture = AGP_GET_APERTURE(dev); 193133852Sobrien 194133852Sobrien for (;;) { 195133852Sobrien gatt = agp_alloc_gatt(dev); 196133852Sobrien if (gatt) 197133852Sobrien break; 198133852Sobrien 199133852Sobrien /* 200133852Sobrien * Probably contigmalloc failure. Try reducing the 201133852Sobrien * aperture so that the gatt size reduces. 202133852Sobrien */ 203133852Sobrien if (AGP_SET_APERTURE(dev, AGP_GET_APERTURE(dev) / 2)) { 204133852Sobrien agp_generic_detach(dev); 205163181Sjkim return (ENOMEM); 206133852Sobrien } 207133852Sobrien } 208133852Sobrien sc->gatt = gatt; 209133852Sobrien 210152435Sjkim switch (pci_get_vendor(dev)) { 211152435Sjkim case 0x10b9: /* ULi */ 212152435Sjkim agp_amd64_uli_init(dev); 213152435Sjkim if (agp_amd64_uli_set_aperture(dev, sc->initial_aperture)) 214163181Sjkim return (ENXIO); 215152435Sjkim break; 216152435Sjkim 217152435Sjkim case 0x10de: /* nVidia */ 218152435Sjkim agp_amd64_nvidia_init(dev); 219152435Sjkim if (agp_amd64_nvidia_set_aperture(dev, sc->initial_aperture)) 220163181Sjkim return (ENXIO); 221152435Sjkim break; 222152435Sjkim 223152435Sjkim case 0x1106: /* VIA */ 224152435Sjkim sc->via_agp = agp_amd64_via_match(); 225152435Sjkim if (sc->via_agp) { 226152435Sjkim agp_amd64_via_init(dev); 227152435Sjkim if (agp_amd64_via_set_aperture(dev, 228152435Sjkim sc->initial_aperture)) 229163181Sjkim return (ENXIO); 230152435Sjkim } 231152435Sjkim break; 232152435Sjkim } 233152435Sjkim 234133852Sobrien /* Install the gatt and enable aperture. */ 235133852Sobrien for (i = 0; i < sc->n_mctrl; i++) { 236133852Sobrien pci_cfgregwrite(0, sc->mctrl[i], 3, AGP_AMD64_ATTBASE, 237133852Sobrien (uint32_t)(gatt->ag_physical >> 8) & AGP_AMD64_ATTBASE_MASK, 238133852Sobrien 4); 239133852Sobrien pci_cfgregwrite(0, sc->mctrl[i], 3, AGP_AMD64_APCTRL, 240133852Sobrien (pci_cfgregread(0, sc->mctrl[i], 3, AGP_AMD64_APCTRL, 4) | 241133852Sobrien AGP_AMD64_APCTRL_GARTEN) & 242133852Sobrien ~(AGP_AMD64_APCTRL_DISGARTCPU | AGP_AMD64_APCTRL_DISGARTIO), 243133852Sobrien 4); 244133852Sobrien } 245133852Sobrien 246133852Sobrien agp_flush_cache(); 247133852Sobrien 248163181Sjkim return (0); 249133852Sobrien} 250133852Sobrien 251133852Sobrienstatic int 252133852Sobrienagp_amd64_detach(device_t dev) 253133852Sobrien{ 254133852Sobrien struct agp_amd64_softc *sc = device_get_softc(dev); 255173203Sjhb int i; 256133852Sobrien 257173203Sjhb agp_free_cdev(dev); 258133852Sobrien 259133852Sobrien for (i = 0; i < sc->n_mctrl; i++) 260133852Sobrien pci_cfgregwrite(0, sc->mctrl[i], 3, AGP_AMD64_APCTRL, 261133852Sobrien pci_cfgregread(0, sc->mctrl[i], 3, AGP_AMD64_APCTRL, 4) & 262133852Sobrien ~AGP_AMD64_APCTRL_GARTEN, 4); 263133852Sobrien 264133852Sobrien AGP_SET_APERTURE(dev, sc->initial_aperture); 265133852Sobrien agp_free_gatt(sc->gatt); 266173203Sjhb agp_free_res(dev); 267133852Sobrien 268163181Sjkim return (0); 269133852Sobrien} 270133852Sobrien 271133852Sobrienstatic uint32_t agp_amd64_table[] = { 272133852Sobrien 0x02000000, /* 32 MB */ 273133852Sobrien 0x04000000, /* 64 MB */ 274133852Sobrien 0x08000000, /* 128 MB */ 275133852Sobrien 0x10000000, /* 256 MB */ 276133852Sobrien 0x20000000, /* 512 MB */ 277133852Sobrien 0x40000000, /* 1024 MB */ 278133852Sobrien 0x80000000, /* 2048 MB */ 279133852Sobrien}; 280133852Sobrien 281133852Sobrien#define AGP_AMD64_TABLE_SIZE \ 282133852Sobrien (sizeof(agp_amd64_table) / sizeof(agp_amd64_table[0])) 283133852Sobrien 284133852Sobrienstatic uint32_t 285133852Sobrienagp_amd64_get_aperture(device_t dev) 286133852Sobrien{ 287133852Sobrien struct agp_amd64_softc *sc = device_get_softc(dev); 288133852Sobrien uint32_t i; 289133852Sobrien 290133852Sobrien i = (pci_cfgregread(0, sc->mctrl[0], 3, AGP_AMD64_APCTRL, 4) & 291133852Sobrien AGP_AMD64_APCTRL_SIZE_MASK) >> 1; 292133852Sobrien 293133852Sobrien if (i >= AGP_AMD64_TABLE_SIZE) 294163181Sjkim return (0); 295133852Sobrien 296133852Sobrien return (agp_amd64_table[i]); 297133852Sobrien} 298133852Sobrien 299133852Sobrienstatic int 300133852Sobrienagp_amd64_set_aperture(device_t dev, uint32_t aperture) 301133852Sobrien{ 302133852Sobrien struct agp_amd64_softc *sc = device_get_softc(dev); 303133852Sobrien uint32_t i; 304133852Sobrien int j; 305133852Sobrien 306133852Sobrien for (i = 0; i < AGP_AMD64_TABLE_SIZE; i++) 307133852Sobrien if (agp_amd64_table[i] == aperture) 308133852Sobrien break; 309150645Sjkim if (i >= AGP_AMD64_TABLE_SIZE) 310163181Sjkim return (EINVAL); 311133852Sobrien 312133852Sobrien for (j = 0; j < sc->n_mctrl; j++) 313133852Sobrien pci_cfgregwrite(0, sc->mctrl[j], 3, AGP_AMD64_APCTRL, 314133852Sobrien (pci_cfgregread(0, sc->mctrl[j], 3, AGP_AMD64_APCTRL, 4) & 315133852Sobrien ~(AGP_AMD64_APCTRL_SIZE_MASK)) | (i << 1), 4); 316133852Sobrien 317150645Sjkim switch (pci_get_vendor(dev)) { 318150645Sjkim case 0x10b9: /* ULi */ 319150645Sjkim return (agp_amd64_uli_set_aperture(dev, aperture)); 320150645Sjkim break; 321150645Sjkim 322150645Sjkim case 0x10de: /* nVidia */ 323150645Sjkim return (agp_amd64_nvidia_set_aperture(dev, aperture)); 324150645Sjkim break; 325152435Sjkim 326152435Sjkim case 0x1106: /* VIA */ 327152435Sjkim if (sc->via_agp) 328152435Sjkim return (agp_amd64_via_set_aperture(dev, aperture)); 329152435Sjkim break; 330150645Sjkim } 331150645Sjkim 332163181Sjkim return (0); 333133852Sobrien} 334133852Sobrien 335133852Sobrienstatic int 336189578Simpagp_amd64_bind_page(device_t dev, vm_offset_t offset, vm_offset_t physical) 337133852Sobrien{ 338133852Sobrien struct agp_amd64_softc *sc = device_get_softc(dev); 339133852Sobrien 340190169Srnoland if (offset >= (sc->gatt->ag_entries << AGP_PAGE_SHIFT)) 341163181Sjkim return (EINVAL); 342133852Sobrien 343163180Sjkim sc->gatt->ag_virtual[offset >> AGP_PAGE_SHIFT] = 344163180Sjkim (physical & 0xfffff000) | ((physical >> 28) & 0x00000ff0) | 3; 345163180Sjkim 346163181Sjkim return (0); 347133852Sobrien} 348133852Sobrien 349133852Sobrienstatic int 350189578Simpagp_amd64_unbind_page(device_t dev, vm_offset_t offset) 351133852Sobrien{ 352133852Sobrien struct agp_amd64_softc *sc = device_get_softc(dev); 353133852Sobrien 354190169Srnoland if (offset >= (sc->gatt->ag_entries << AGP_PAGE_SHIFT)) 355163181Sjkim return (EINVAL); 356133852Sobrien 357133852Sobrien sc->gatt->ag_virtual[offset >> AGP_PAGE_SHIFT] = 0; 358163181Sjkim 359163181Sjkim return (0); 360133852Sobrien} 361133852Sobrien 362133852Sobrienstatic void 363133852Sobrienagp_amd64_flush_tlb(device_t dev) 364133852Sobrien{ 365133852Sobrien struct agp_amd64_softc *sc = device_get_softc(dev); 366133852Sobrien int i; 367133852Sobrien 368133852Sobrien for (i = 0; i < sc->n_mctrl; i++) 369133852Sobrien pci_cfgregwrite(0, sc->mctrl[i], 3, AGP_AMD64_CACHECTRL, 370133852Sobrien pci_cfgregread(0, sc->mctrl[i], 3, AGP_AMD64_CACHECTRL, 4) | 371133852Sobrien AGP_AMD64_CACHECTRL_INVGART, 4); 372133852Sobrien} 373133852Sobrien 374150645Sjkimstatic void 375150645Sjkimagp_amd64_apbase_fixup(device_t dev) 376150645Sjkim{ 377150645Sjkim struct agp_amd64_softc *sc = device_get_softc(dev); 378150645Sjkim uint32_t apbase; 379150645Sjkim int i; 380150645Sjkim 381161518Sjkim sc->apbase = rman_get_start(sc->agp.as_aperture); 382161518Sjkim apbase = (sc->apbase >> 25) & AGP_AMD64_APBASE_MASK; 383150645Sjkim for (i = 0; i < sc->n_mctrl; i++) 384161518Sjkim pci_cfgregwrite(0, sc->mctrl[i], 3, 385161518Sjkim AGP_AMD64_APBASE, apbase, 4); 386150645Sjkim} 387150645Sjkim 388150645Sjkimstatic void 389150645Sjkimagp_amd64_uli_init(device_t dev) 390150645Sjkim{ 391150645Sjkim struct agp_amd64_softc *sc = device_get_softc(dev); 392150645Sjkim 393150645Sjkim agp_amd64_apbase_fixup(dev); 394150645Sjkim pci_write_config(dev, AGP_AMD64_ULI_APBASE, 395150645Sjkim (pci_read_config(dev, AGP_AMD64_ULI_APBASE, 4) & 0x0000000f) | 396150645Sjkim sc->apbase, 4); 397150645Sjkim pci_write_config(dev, AGP_AMD64_ULI_HTT_FEATURE, sc->apbase, 4); 398150645Sjkim} 399150645Sjkim 400150645Sjkimstatic int 401150645Sjkimagp_amd64_uli_set_aperture(device_t dev, uint32_t aperture) 402150645Sjkim{ 403150645Sjkim struct agp_amd64_softc *sc = device_get_softc(dev); 404150645Sjkim 405150645Sjkim switch (aperture) { 406150645Sjkim case 0x02000000: /* 32 MB */ 407150645Sjkim case 0x04000000: /* 64 MB */ 408150645Sjkim case 0x08000000: /* 128 MB */ 409150645Sjkim case 0x10000000: /* 256 MB */ 410150645Sjkim break; 411150645Sjkim default: 412163181Sjkim return (EINVAL); 413150645Sjkim } 414150645Sjkim 415150645Sjkim pci_write_config(dev, AGP_AMD64_ULI_ENU_SCR, 416150645Sjkim sc->apbase + aperture - 1, 4); 417150645Sjkim 418163181Sjkim return (0); 419150645Sjkim} 420150645Sjkim 421150645Sjkimstatic void 422150645Sjkimagp_amd64_nvidia_init(device_t dev) 423150645Sjkim{ 424150645Sjkim struct agp_amd64_softc *sc = device_get_softc(dev); 425150645Sjkim 426150645Sjkim agp_amd64_apbase_fixup(dev); 427150645Sjkim pci_write_config(dev, AGP_AMD64_NVIDIA_0_APBASE, 428150645Sjkim (pci_read_config(dev, AGP_AMD64_NVIDIA_0_APBASE, 4) & 0x0000000f) | 429150645Sjkim sc->apbase, 4); 430150645Sjkim pci_cfgregwrite(0, 11, 0, AGP_AMD64_NVIDIA_1_APBASE1, sc->apbase, 4); 431150645Sjkim pci_cfgregwrite(0, 11, 0, AGP_AMD64_NVIDIA_1_APBASE2, sc->apbase, 4); 432150645Sjkim} 433150645Sjkim 434150645Sjkimstatic int 435150645Sjkimagp_amd64_nvidia_set_aperture(device_t dev, uint32_t aperture) 436150645Sjkim{ 437150645Sjkim struct agp_amd64_softc *sc = device_get_softc(dev); 438150645Sjkim uint32_t apsize; 439150645Sjkim 440150645Sjkim switch (aperture) { 441150645Sjkim case 0x02000000: apsize = 0x0f; break; /* 32 MB */ 442150645Sjkim case 0x04000000: apsize = 0x0e; break; /* 64 MB */ 443150645Sjkim case 0x08000000: apsize = 0x0c; break; /* 128 MB */ 444150645Sjkim case 0x10000000: apsize = 0x08; break; /* 256 MB */ 445150645Sjkim case 0x20000000: apsize = 0x00; break; /* 512 MB */ 446150645Sjkim default: 447163181Sjkim return (EINVAL); 448150645Sjkim } 449150645Sjkim 450150645Sjkim pci_cfgregwrite(0, 11, 0, AGP_AMD64_NVIDIA_1_APSIZE, 451150645Sjkim (pci_cfgregread(0, 11, 0, AGP_AMD64_NVIDIA_1_APSIZE, 4) & 452150645Sjkim 0xfffffff0) | apsize, 4); 453150645Sjkim pci_cfgregwrite(0, 11, 0, AGP_AMD64_NVIDIA_1_APLIMIT1, 454150645Sjkim sc->apbase + aperture - 1, 4); 455150645Sjkim pci_cfgregwrite(0, 11, 0, AGP_AMD64_NVIDIA_1_APLIMIT2, 456150645Sjkim sc->apbase + aperture - 1, 4); 457150645Sjkim 458163181Sjkim return (0); 459150645Sjkim} 460150645Sjkim 461152435Sjkimstatic void 462152435Sjkimagp_amd64_via_init(device_t dev) 463152435Sjkim{ 464152435Sjkim struct agp_amd64_softc *sc = device_get_softc(dev); 465152435Sjkim 466152435Sjkim agp_amd64_apbase_fixup(dev); 467152435Sjkim pci_cfgregwrite(0, 1, 0, AGP3_VIA_ATTBASE, sc->gatt->ag_physical, 4); 468152435Sjkim pci_cfgregwrite(0, 1, 0, AGP3_VIA_GARTCTRL, 469152435Sjkim pci_cfgregread(0, 1, 0, AGP3_VIA_ATTBASE, 4) | 0x180, 4); 470152435Sjkim} 471152435Sjkim 472152435Sjkimstatic int 473152435Sjkimagp_amd64_via_set_aperture(device_t dev, uint32_t aperture) 474152435Sjkim{ 475152435Sjkim uint32_t apsize; 476152435Sjkim 477152435Sjkim apsize = ((aperture - 1) >> 20) ^ 0xff; 478152435Sjkim if ((((apsize ^ 0xff) << 20) | ((1 << 20) - 1)) + 1 != aperture) 479163181Sjkim return (EINVAL); 480152435Sjkim pci_cfgregwrite(0, 1, 0, AGP3_VIA_APSIZE, apsize, 1); 481152435Sjkim 482163181Sjkim return (0); 483152435Sjkim} 484152435Sjkim 485133852Sobrienstatic device_method_t agp_amd64_methods[] = { 486133852Sobrien /* Device interface */ 487133852Sobrien DEVMETHOD(device_probe, agp_amd64_probe), 488133852Sobrien DEVMETHOD(device_attach, agp_amd64_attach), 489133852Sobrien DEVMETHOD(device_detach, agp_amd64_detach), 490133852Sobrien DEVMETHOD(device_shutdown, bus_generic_shutdown), 491133852Sobrien DEVMETHOD(device_suspend, bus_generic_suspend), 492133852Sobrien DEVMETHOD(device_resume, bus_generic_resume), 493133852Sobrien 494133852Sobrien /* AGP interface */ 495133852Sobrien DEVMETHOD(agp_get_aperture, agp_amd64_get_aperture), 496133852Sobrien DEVMETHOD(agp_set_aperture, agp_amd64_set_aperture), 497133852Sobrien DEVMETHOD(agp_bind_page, agp_amd64_bind_page), 498133852Sobrien DEVMETHOD(agp_unbind_page, agp_amd64_unbind_page), 499133852Sobrien DEVMETHOD(agp_flush_tlb, agp_amd64_flush_tlb), 500133852Sobrien DEVMETHOD(agp_enable, agp_generic_enable), 501133852Sobrien DEVMETHOD(agp_alloc_memory, agp_generic_alloc_memory), 502133852Sobrien DEVMETHOD(agp_free_memory, agp_generic_free_memory), 503133852Sobrien DEVMETHOD(agp_bind_memory, agp_generic_bind_memory), 504133852Sobrien DEVMETHOD(agp_unbind_memory, agp_generic_unbind_memory), 505133852Sobrien 506133852Sobrien { 0, 0 } 507133852Sobrien}; 508133852Sobrien 509133852Sobrienstatic driver_t agp_amd64_driver = { 510133852Sobrien "agp", 511133852Sobrien agp_amd64_methods, 512133852Sobrien sizeof(struct agp_amd64_softc), 513133852Sobrien}; 514133852Sobrien 515133852Sobrienstatic devclass_t agp_devclass; 516133852Sobrien 517153572SjhbDRIVER_MODULE(agp_amd64, hostb, agp_amd64_driver, agp_devclass, 0, 0); 518133852SobrienMODULE_DEPEND(agp_amd64, agp, 1, 1, 1); 519133852SobrienMODULE_DEPEND(agp_amd64, pci, 1, 1, 1); 520