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agp_amd64.c (163180) agp_amd64.c (163181)
1/*-
2 * Copyright (c) 2004, 2005 Jung-uk Kim <jkim@FreeBSD.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

--- 11 unchanged lines hidden (view full) ---

20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27#include <sys/cdefs.h>
1/*-
2 * Copyright (c) 2004, 2005 Jung-uk Kim <jkim@FreeBSD.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

--- 11 unchanged lines hidden (view full) ---

20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27#include <sys/cdefs.h>
28__FBSDID("$FreeBSD: head/sys/dev/agp/agp_amd64.c 163180 2006-10-09 20:24:49Z jkim $");
28__FBSDID("$FreeBSD: head/sys/dev/agp/agp_amd64.c 163181 2006-10-09 20:26:32Z jkim $");
29
30#include "opt_bus.h"
31
32#include <sys/param.h>
33#include <sys/systm.h>
34#include <sys/malloc.h>
35#include <sys/kernel.h>
36#include <sys/module.h>

--- 43 unchanged lines hidden (view full) ---

80 int mctrl[AMD64_MAX_MCTRL];
81 int n_mctrl;
82 int via_agp;
83};
84
85static const char*
86agp_amd64_match(device_t dev)
87{
29
30#include "opt_bus.h"
31
32#include <sys/param.h>
33#include <sys/systm.h>
34#include <sys/malloc.h>
35#include <sys/kernel.h>
36#include <sys/module.h>

--- 43 unchanged lines hidden (view full) ---

80 int mctrl[AMD64_MAX_MCTRL];
81 int n_mctrl;
82 int via_agp;
83};
84
85static const char*
86agp_amd64_match(device_t dev)
87{
88 if (pci_get_class(dev) != PCIC_BRIDGE
89 || pci_get_subclass(dev) != PCIS_BRIDGE_HOST)
90 return NULL;
88 if (pci_get_class(dev) != PCIC_BRIDGE ||
89 pci_get_subclass(dev) != PCIS_BRIDGE_HOST ||
90 agp_find_caps(dev) == 0)
91 return (NULL);
91
92
92 if (agp_find_caps(dev) == 0)
93 return NULL;
94
95 switch (pci_get_devid(dev)) {
96 case 0x74541022:
97 return ("AMD 8151 AGP graphics tunnel");
98 case 0x07551039:
99 return ("SiS 755 host to AGP bridge");
100 case 0x07601039:
101 return ("SiS 760 host to AGP bridge");
102 case 0x168910b9:
103 return ("ULi M1689 AGP Controller");
104 case 0x00d110de:
105 if (agp_amd64_nvidia_match(0x00d2))
93 switch (pci_get_devid(dev)) {
94 case 0x74541022:
95 return ("AMD 8151 AGP graphics tunnel");
96 case 0x07551039:
97 return ("SiS 755 host to AGP bridge");
98 case 0x07601039:
99 return ("SiS 760 host to AGP bridge");
100 case 0x168910b9:
101 return ("ULi M1689 AGP Controller");
102 case 0x00d110de:
103 if (agp_amd64_nvidia_match(0x00d2))
106 return NULL;
104 return (NULL);
107 return ("NVIDIA nForce3 AGP Controller");
108 case 0x00e110de:
109 if (agp_amd64_nvidia_match(0x00e2))
105 return ("NVIDIA nForce3 AGP Controller");
106 case 0x00e110de:
107 if (agp_amd64_nvidia_match(0x00e2))
110 return NULL;
108 return (NULL);
111 return ("NVIDIA nForce3-250 AGP Controller");
112 case 0x02041106:
113 return ("VIA 8380 host to PCI bridge");
114 case 0x02381106:
115 return ("VIA 3238 host to PCI bridge");
116 case 0x02821106:
117 return ("VIA K8T800Pro host to PCI bridge");
118 case 0x31881106:
119 return ("VIA 8385 host to PCI bridge");
120 };
121
109 return ("NVIDIA nForce3-250 AGP Controller");
110 case 0x02041106:
111 return ("VIA 8380 host to PCI bridge");
112 case 0x02381106:
113 return ("VIA 3238 host to PCI bridge");
114 case 0x02821106:
115 return ("VIA K8T800Pro host to PCI bridge");
116 case 0x31881106:
117 return ("VIA 8385 host to PCI bridge");
118 };
119
122 return NULL;
120 return (NULL);
123}
124
125static int
126agp_amd64_nvidia_match(uint16_t devid)
127{
128 /* XXX nForce3 requires secondary AGP bridge at 0:11:0. */
129 if (pci_cfgregread(0, 11, 0, PCIR_CLASS, 1) != PCIC_BRIDGE ||
130 pci_cfgregread(0, 11, 0, PCIR_SUBCLASS, 1) != PCIS_BRIDGE_PCI ||
131 pci_cfgregread(0, 11, 0, PCIR_VENDOR, 2) != 0x10de ||
132 pci_cfgregread(0, 11, 0, PCIR_DEVICE, 2) != devid)
121}
122
123static int
124agp_amd64_nvidia_match(uint16_t devid)
125{
126 /* XXX nForce3 requires secondary AGP bridge at 0:11:0. */
127 if (pci_cfgregread(0, 11, 0, PCIR_CLASS, 1) != PCIC_BRIDGE ||
128 pci_cfgregread(0, 11, 0, PCIR_SUBCLASS, 1) != PCIS_BRIDGE_PCI ||
129 pci_cfgregread(0, 11, 0, PCIR_VENDOR, 2) != 0x10de ||
130 pci_cfgregread(0, 11, 0, PCIR_DEVICE, 2) != devid)
133 return ENXIO;
131 return (ENXIO);
134
132
135 return 0;
133 return (0);
136}
137
138static int
139agp_amd64_via_match(void)
140{
141 /* XXX Some VIA bridge requires secondary AGP bridge at 0:1:0. */
142 if (pci_cfgregread(0, 1, 0, PCIR_CLASS, 1) != PCIC_BRIDGE ||
143 pci_cfgregread(0, 1, 0, PCIR_SUBCLASS, 1) != PCIS_BRIDGE_PCI ||
144 pci_cfgregread(0, 1, 0, PCIR_VENDOR, 2) != 0x1106 ||
145 pci_cfgregread(0, 1, 0, PCIR_DEVICE, 2) != 0xb188 ||
146 (pci_cfgregread(0, 1, 0, AGP_VIA_AGPSEL, 1) & 2))
134}
135
136static int
137agp_amd64_via_match(void)
138{
139 /* XXX Some VIA bridge requires secondary AGP bridge at 0:1:0. */
140 if (pci_cfgregread(0, 1, 0, PCIR_CLASS, 1) != PCIC_BRIDGE ||
141 pci_cfgregread(0, 1, 0, PCIR_SUBCLASS, 1) != PCIS_BRIDGE_PCI ||
142 pci_cfgregread(0, 1, 0, PCIR_VENDOR, 2) != 0x1106 ||
143 pci_cfgregread(0, 1, 0, PCIR_DEVICE, 2) != 0xb188 ||
144 (pci_cfgregread(0, 1, 0, AGP_VIA_AGPSEL, 1) & 2))
147 return 0;
145 return (0);
148
146
149 return 1;
147 return (1);
150}
151
152static int
153agp_amd64_probe(device_t dev)
154{
155 const char *desc;
156
157 if (resource_disabled("agp", device_get_unit(dev)))
148}
149
150static int
151agp_amd64_probe(device_t dev)
152{
153 const char *desc;
154
155 if (resource_disabled("agp", device_get_unit(dev)))
158 return ENXIO;
156 return (ENXIO);
159 if ((desc = agp_amd64_match(dev))) {
160 device_set_desc(dev, desc);
157 if ((desc = agp_amd64_match(dev))) {
158 device_set_desc(dev, desc);
161 return BUS_PROBE_DEFAULT;
159 return (BUS_PROBE_DEFAULT);
162 }
163
160 }
161
164 return ENXIO;
162 return (ENXIO);
165}
166
167static int
168agp_amd64_attach(device_t dev)
169{
170 struct agp_amd64_softc *sc = device_get_softc(dev);
171 struct agp_gatt *gatt;
172 int i, n, error;
173
174 for (i = 0, n = 0; i < PCI_SLOTMAX && n < AMD64_MAX_MCTRL; i++)
175 if (pci_cfgregread(0, i, 3, 0, 4) == 0x11031022) {
176 sc->mctrl[n] = i;
177 n++;
178 }
179
180 if (n == 0)
163}
164
165static int
166agp_amd64_attach(device_t dev)
167{
168 struct agp_amd64_softc *sc = device_get_softc(dev);
169 struct agp_gatt *gatt;
170 int i, n, error;
171
172 for (i = 0, n = 0; i < PCI_SLOTMAX && n < AMD64_MAX_MCTRL; i++)
173 if (pci_cfgregread(0, i, 3, 0, 4) == 0x11031022) {
174 sc->mctrl[n] = i;
175 n++;
176 }
177
178 if (n == 0)
181 return ENXIO;
179 return (ENXIO);
182
183 sc->n_mctrl = n;
184
185 if (bootverbose)
186 device_printf(dev, "%d Miscellaneous Control unit(s) found.\n",
187 sc->n_mctrl);
188
189 if ((error = agp_generic_attach(dev)))
180
181 sc->n_mctrl = n;
182
183 if (bootverbose)
184 device_printf(dev, "%d Miscellaneous Control unit(s) found.\n",
185 sc->n_mctrl);
186
187 if ((error = agp_generic_attach(dev)))
190 return error;
188 return (error);
191
192 sc->initial_aperture = AGP_GET_APERTURE(dev);
193
194 for (;;) {
195 gatt = agp_alloc_gatt(dev);
196 if (gatt)
197 break;
198
199 /*
200 * Probably contigmalloc failure. Try reducing the
201 * aperture so that the gatt size reduces.
202 */
203 if (AGP_SET_APERTURE(dev, AGP_GET_APERTURE(dev) / 2)) {
204 agp_generic_detach(dev);
189
190 sc->initial_aperture = AGP_GET_APERTURE(dev);
191
192 for (;;) {
193 gatt = agp_alloc_gatt(dev);
194 if (gatt)
195 break;
196
197 /*
198 * Probably contigmalloc failure. Try reducing the
199 * aperture so that the gatt size reduces.
200 */
201 if (AGP_SET_APERTURE(dev, AGP_GET_APERTURE(dev) / 2)) {
202 agp_generic_detach(dev);
205 return ENOMEM;
203 return (ENOMEM);
206 }
207 }
208 sc->gatt = gatt;
209
210 switch (pci_get_vendor(dev)) {
211 case 0x10b9: /* ULi */
212 agp_amd64_uli_init(dev);
213 if (agp_amd64_uli_set_aperture(dev, sc->initial_aperture))
204 }
205 }
206 sc->gatt = gatt;
207
208 switch (pci_get_vendor(dev)) {
209 case 0x10b9: /* ULi */
210 agp_amd64_uli_init(dev);
211 if (agp_amd64_uli_set_aperture(dev, sc->initial_aperture))
214 return ENXIO;
212 return (ENXIO);
215 break;
216
217 case 0x10de: /* nVidia */
218 agp_amd64_nvidia_init(dev);
219 if (agp_amd64_nvidia_set_aperture(dev, sc->initial_aperture))
213 break;
214
215 case 0x10de: /* nVidia */
216 agp_amd64_nvidia_init(dev);
217 if (agp_amd64_nvidia_set_aperture(dev, sc->initial_aperture))
220 return ENXIO;
218 return (ENXIO);
221 break;
222
223 case 0x1106: /* VIA */
224 sc->via_agp = agp_amd64_via_match();
225 if (sc->via_agp) {
226 agp_amd64_via_init(dev);
227 if (agp_amd64_via_set_aperture(dev,
228 sc->initial_aperture))
219 break;
220
221 case 0x1106: /* VIA */
222 sc->via_agp = agp_amd64_via_match();
223 if (sc->via_agp) {
224 agp_amd64_via_init(dev);
225 if (agp_amd64_via_set_aperture(dev,
226 sc->initial_aperture))
229 return ENXIO;
227 return (ENXIO);
230 }
231 break;
232 }
233
234 /* Install the gatt and enable aperture. */
235 for (i = 0; i < sc->n_mctrl; i++) {
236 pci_cfgregwrite(0, sc->mctrl[i], 3, AGP_AMD64_ATTBASE,
237 (uint32_t)(gatt->ag_physical >> 8) & AGP_AMD64_ATTBASE_MASK,
238 4);
239 pci_cfgregwrite(0, sc->mctrl[i], 3, AGP_AMD64_APCTRL,
240 (pci_cfgregread(0, sc->mctrl[i], 3, AGP_AMD64_APCTRL, 4) |
241 AGP_AMD64_APCTRL_GARTEN) &
242 ~(AGP_AMD64_APCTRL_DISGARTCPU | AGP_AMD64_APCTRL_DISGARTIO),
243 4);
244 }
245
246 agp_flush_cache();
247
228 }
229 break;
230 }
231
232 /* Install the gatt and enable aperture. */
233 for (i = 0; i < sc->n_mctrl; i++) {
234 pci_cfgregwrite(0, sc->mctrl[i], 3, AGP_AMD64_ATTBASE,
235 (uint32_t)(gatt->ag_physical >> 8) & AGP_AMD64_ATTBASE_MASK,
236 4);
237 pci_cfgregwrite(0, sc->mctrl[i], 3, AGP_AMD64_APCTRL,
238 (pci_cfgregread(0, sc->mctrl[i], 3, AGP_AMD64_APCTRL, 4) |
239 AGP_AMD64_APCTRL_GARTEN) &
240 ~(AGP_AMD64_APCTRL_DISGARTCPU | AGP_AMD64_APCTRL_DISGARTIO),
241 4);
242 }
243
244 agp_flush_cache();
245
248 return 0;
246 return (0);
249}
250
251static int
252agp_amd64_detach(device_t dev)
253{
254 struct agp_amd64_softc *sc = device_get_softc(dev);
255 int i, error;
256
257 if ((error = agp_generic_detach(dev)))
247}
248
249static int
250agp_amd64_detach(device_t dev)
251{
252 struct agp_amd64_softc *sc = device_get_softc(dev);
253 int i, error;
254
255 if ((error = agp_generic_detach(dev)))
258 return error;
256 return (error);
259
260 for (i = 0; i < sc->n_mctrl; i++)
261 pci_cfgregwrite(0, sc->mctrl[i], 3, AGP_AMD64_APCTRL,
262 pci_cfgregread(0, sc->mctrl[i], 3, AGP_AMD64_APCTRL, 4) &
263 ~AGP_AMD64_APCTRL_GARTEN, 4);
264
265 AGP_SET_APERTURE(dev, sc->initial_aperture);
266 agp_free_gatt(sc->gatt);
267
257
258 for (i = 0; i < sc->n_mctrl; i++)
259 pci_cfgregwrite(0, sc->mctrl[i], 3, AGP_AMD64_APCTRL,
260 pci_cfgregread(0, sc->mctrl[i], 3, AGP_AMD64_APCTRL, 4) &
261 ~AGP_AMD64_APCTRL_GARTEN, 4);
262
263 AGP_SET_APERTURE(dev, sc->initial_aperture);
264 agp_free_gatt(sc->gatt);
265
268 return 0;
266 return (0);
269}
270
271static uint32_t agp_amd64_table[] = {
272 0x02000000, /* 32 MB */
273 0x04000000, /* 64 MB */
274 0x08000000, /* 128 MB */
275 0x10000000, /* 256 MB */
276 0x20000000, /* 512 MB */

--- 9 unchanged lines hidden (view full) ---

286{
287 struct agp_amd64_softc *sc = device_get_softc(dev);
288 uint32_t i;
289
290 i = (pci_cfgregread(0, sc->mctrl[0], 3, AGP_AMD64_APCTRL, 4) &
291 AGP_AMD64_APCTRL_SIZE_MASK) >> 1;
292
293 if (i >= AGP_AMD64_TABLE_SIZE)
267}
268
269static uint32_t agp_amd64_table[] = {
270 0x02000000, /* 32 MB */
271 0x04000000, /* 64 MB */
272 0x08000000, /* 128 MB */
273 0x10000000, /* 256 MB */
274 0x20000000, /* 512 MB */

--- 9 unchanged lines hidden (view full) ---

284{
285 struct agp_amd64_softc *sc = device_get_softc(dev);
286 uint32_t i;
287
288 i = (pci_cfgregread(0, sc->mctrl[0], 3, AGP_AMD64_APCTRL, 4) &
289 AGP_AMD64_APCTRL_SIZE_MASK) >> 1;
290
291 if (i >= AGP_AMD64_TABLE_SIZE)
294 return 0;
292 return (0);
295
296 return (agp_amd64_table[i]);
297}
298
299static int
300agp_amd64_set_aperture(device_t dev, uint32_t aperture)
301{
302 struct agp_amd64_softc *sc = device_get_softc(dev);
303 uint32_t i;
304 int j;
305
306 for (i = 0; i < AGP_AMD64_TABLE_SIZE; i++)
307 if (agp_amd64_table[i] == aperture)
308 break;
309 if (i >= AGP_AMD64_TABLE_SIZE)
293
294 return (agp_amd64_table[i]);
295}
296
297static int
298agp_amd64_set_aperture(device_t dev, uint32_t aperture)
299{
300 struct agp_amd64_softc *sc = device_get_softc(dev);
301 uint32_t i;
302 int j;
303
304 for (i = 0; i < AGP_AMD64_TABLE_SIZE; i++)
305 if (agp_amd64_table[i] == aperture)
306 break;
307 if (i >= AGP_AMD64_TABLE_SIZE)
310 return EINVAL;
308 return (EINVAL);
311
312 for (j = 0; j < sc->n_mctrl; j++)
313 pci_cfgregwrite(0, sc->mctrl[j], 3, AGP_AMD64_APCTRL,
314 (pci_cfgregread(0, sc->mctrl[j], 3, AGP_AMD64_APCTRL, 4) &
315 ~(AGP_AMD64_APCTRL_SIZE_MASK)) | (i << 1), 4);
316
317 switch (pci_get_vendor(dev)) {
318 case 0x10b9: /* ULi */

--- 5 unchanged lines hidden (view full) ---

324 break;
325
326 case 0x1106: /* VIA */
327 if (sc->via_agp)
328 return (agp_amd64_via_set_aperture(dev, aperture));
329 break;
330 }
331
309
310 for (j = 0; j < sc->n_mctrl; j++)
311 pci_cfgregwrite(0, sc->mctrl[j], 3, AGP_AMD64_APCTRL,
312 (pci_cfgregread(0, sc->mctrl[j], 3, AGP_AMD64_APCTRL, 4) &
313 ~(AGP_AMD64_APCTRL_SIZE_MASK)) | (i << 1), 4);
314
315 switch (pci_get_vendor(dev)) {
316 case 0x10b9: /* ULi */

--- 5 unchanged lines hidden (view full) ---

322 break;
323
324 case 0x1106: /* VIA */
325 if (sc->via_agp)
326 return (agp_amd64_via_set_aperture(dev, aperture));
327 break;
328 }
329
332 return 0;
330 return (0);
333}
334
335static int
336agp_amd64_bind_page(device_t dev, int offset, vm_offset_t physical)
337{
338 struct agp_amd64_softc *sc = device_get_softc(dev);
339
340 if (offset < 0 || offset >= (sc->gatt->ag_entries << AGP_PAGE_SHIFT))
331}
332
333static int
334agp_amd64_bind_page(device_t dev, int offset, vm_offset_t physical)
335{
336 struct agp_amd64_softc *sc = device_get_softc(dev);
337
338 if (offset < 0 || offset >= (sc->gatt->ag_entries << AGP_PAGE_SHIFT))
341 return EINVAL;
339 return (EINVAL);
342
343 sc->gatt->ag_virtual[offset >> AGP_PAGE_SHIFT] =
344 (physical & 0xfffff000) | ((physical >> 28) & 0x00000ff0) | 3;
345
340
341 sc->gatt->ag_virtual[offset >> AGP_PAGE_SHIFT] =
342 (physical & 0xfffff000) | ((physical >> 28) & 0x00000ff0) | 3;
343
346 return 0;
344 return (0);
347}
348
349static int
350agp_amd64_unbind_page(device_t dev, int offset)
351{
352 struct agp_amd64_softc *sc = device_get_softc(dev);
353
354 if (offset < 0 || offset >= (sc->gatt->ag_entries << AGP_PAGE_SHIFT))
345}
346
347static int
348agp_amd64_unbind_page(device_t dev, int offset)
349{
350 struct agp_amd64_softc *sc = device_get_softc(dev);
351
352 if (offset < 0 || offset >= (sc->gatt->ag_entries << AGP_PAGE_SHIFT))
355 return EINVAL;
353 return (EINVAL);
356
357 sc->gatt->ag_virtual[offset >> AGP_PAGE_SHIFT] = 0;
354
355 sc->gatt->ag_virtual[offset >> AGP_PAGE_SHIFT] = 0;
358 return 0;
356
357 return (0);
359}
360
361static void
362agp_amd64_flush_tlb(device_t dev)
363{
364 struct agp_amd64_softc *sc = device_get_softc(dev);
365 int i;
366

--- 36 unchanged lines hidden (view full) ---

403
404 switch (aperture) {
405 case 0x02000000: /* 32 MB */
406 case 0x04000000: /* 64 MB */
407 case 0x08000000: /* 128 MB */
408 case 0x10000000: /* 256 MB */
409 break;
410 default:
358}
359
360static void
361agp_amd64_flush_tlb(device_t dev)
362{
363 struct agp_amd64_softc *sc = device_get_softc(dev);
364 int i;
365

--- 36 unchanged lines hidden (view full) ---

402
403 switch (aperture) {
404 case 0x02000000: /* 32 MB */
405 case 0x04000000: /* 64 MB */
406 case 0x08000000: /* 128 MB */
407 case 0x10000000: /* 256 MB */
408 break;
409 default:
411 return EINVAL;
410 return (EINVAL);
412 }
413
414 pci_write_config(dev, AGP_AMD64_ULI_ENU_SCR,
415 sc->apbase + aperture - 1, 4);
416
411 }
412
413 pci_write_config(dev, AGP_AMD64_ULI_ENU_SCR,
414 sc->apbase + aperture - 1, 4);
415
417 return 0;
416 return (0);
418}
419
420static void
421agp_amd64_nvidia_init(device_t dev)
422{
423 struct agp_amd64_softc *sc = device_get_softc(dev);
424
425 agp_amd64_apbase_fixup(dev);

--- 12 unchanged lines hidden (view full) ---

438
439 switch (aperture) {
440 case 0x02000000: apsize = 0x0f; break; /* 32 MB */
441 case 0x04000000: apsize = 0x0e; break; /* 64 MB */
442 case 0x08000000: apsize = 0x0c; break; /* 128 MB */
443 case 0x10000000: apsize = 0x08; break; /* 256 MB */
444 case 0x20000000: apsize = 0x00; break; /* 512 MB */
445 default:
417}
418
419static void
420agp_amd64_nvidia_init(device_t dev)
421{
422 struct agp_amd64_softc *sc = device_get_softc(dev);
423
424 agp_amd64_apbase_fixup(dev);

--- 12 unchanged lines hidden (view full) ---

437
438 switch (aperture) {
439 case 0x02000000: apsize = 0x0f; break; /* 32 MB */
440 case 0x04000000: apsize = 0x0e; break; /* 64 MB */
441 case 0x08000000: apsize = 0x0c; break; /* 128 MB */
442 case 0x10000000: apsize = 0x08; break; /* 256 MB */
443 case 0x20000000: apsize = 0x00; break; /* 512 MB */
444 default:
446 return EINVAL;
445 return (EINVAL);
447 }
448
449 pci_cfgregwrite(0, 11, 0, AGP_AMD64_NVIDIA_1_APSIZE,
450 (pci_cfgregread(0, 11, 0, AGP_AMD64_NVIDIA_1_APSIZE, 4) &
451 0xfffffff0) | apsize, 4);
452 pci_cfgregwrite(0, 11, 0, AGP_AMD64_NVIDIA_1_APLIMIT1,
453 sc->apbase + aperture - 1, 4);
454 pci_cfgregwrite(0, 11, 0, AGP_AMD64_NVIDIA_1_APLIMIT2,
455 sc->apbase + aperture - 1, 4);
456
446 }
447
448 pci_cfgregwrite(0, 11, 0, AGP_AMD64_NVIDIA_1_APSIZE,
449 (pci_cfgregread(0, 11, 0, AGP_AMD64_NVIDIA_1_APSIZE, 4) &
450 0xfffffff0) | apsize, 4);
451 pci_cfgregwrite(0, 11, 0, AGP_AMD64_NVIDIA_1_APLIMIT1,
452 sc->apbase + aperture - 1, 4);
453 pci_cfgregwrite(0, 11, 0, AGP_AMD64_NVIDIA_1_APLIMIT2,
454 sc->apbase + aperture - 1, 4);
455
457 return 0;
456 return (0);
458}
459
460static void
461agp_amd64_via_init(device_t dev)
462{
463 struct agp_amd64_softc *sc = device_get_softc(dev);
464
465 agp_amd64_apbase_fixup(dev);

--- 4 unchanged lines hidden (view full) ---

470
471static int
472agp_amd64_via_set_aperture(device_t dev, uint32_t aperture)
473{
474 uint32_t apsize;
475
476 apsize = ((aperture - 1) >> 20) ^ 0xff;
477 if ((((apsize ^ 0xff) << 20) | ((1 << 20) - 1)) + 1 != aperture)
457}
458
459static void
460agp_amd64_via_init(device_t dev)
461{
462 struct agp_amd64_softc *sc = device_get_softc(dev);
463
464 agp_amd64_apbase_fixup(dev);

--- 4 unchanged lines hidden (view full) ---

469
470static int
471agp_amd64_via_set_aperture(device_t dev, uint32_t aperture)
472{
473 uint32_t apsize;
474
475 apsize = ((aperture - 1) >> 20) ^ 0xff;
476 if ((((apsize ^ 0xff) << 20) | ((1 << 20) - 1)) + 1 != aperture)
478 return EINVAL;
477 return (EINVAL);
479 pci_cfgregwrite(0, 1, 0, AGP3_VIA_APSIZE, apsize, 1);
480
478 pci_cfgregwrite(0, 1, 0, AGP3_VIA_APSIZE, apsize, 1);
479
481 return 0;
480 return (0);
482}
483
484static device_method_t agp_amd64_methods[] = {
485 /* Device interface */
486 DEVMETHOD(device_probe, agp_amd64_probe),
487 DEVMETHOD(device_attach, agp_amd64_attach),
488 DEVMETHOD(device_detach, agp_amd64_detach),
489 DEVMETHOD(device_shutdown, bus_generic_shutdown),

--- 29 unchanged lines hidden --- 		481}
482
483static device_method_t agp_amd64_methods[] = {
484 /* Device interface */
485 DEVMETHOD(device_probe, agp_amd64_probe),
486 DEVMETHOD(device_attach, agp_amd64_attach),
487 DEVMETHOD(device_detach, agp_amd64_detach),
488 DEVMETHOD(device_shutdown, bus_generic_shutdown),

--- 29 unchanged lines hidden ---