Subversion Repositories Kolibri OS

Rev

Rev 1963 | Rev 2004 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
1128 serge 1
/*
2
 * Copyright 2008 Advanced Micro Devices, Inc.
3
 * Copyright 2008 Red Hat Inc.
4
 * Copyright 2009 Jerome Glisse.
5
 *
6
 * Permission is hereby granted, free of charge, to any person obtaining a
7
 * copy of this software and associated documentation files (the "Software"),
8
 * to deal in the Software without restriction, including without limitation
9
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10
 * and/or sell copies of the Software, and to permit persons to whom the
11
 * Software is furnished to do so, subject to the following conditions:
12
 *
13
 * The above copyright notice and this permission notice shall be included in
14
 * all copies or substantial portions of the Software.
15
 *
16
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19
 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22
 * OTHER DEALINGS IN THE SOFTWARE.
23
 *
24
 * Authors: Dave Airlie
25
 *          Alex Deucher
26
 *          Jerome Glisse
27
 */
1963 serge 28
#include 
1233 serge 29
#include 
1221 serge 30
#include 
1128 serge 31
#include "drmP.h"
1221 serge 32
#include "radeon_drm.h"
1128 serge 33
#include "radeon.h"
1963 serge 34
#include "radeon_asic.h"
1221 serge 35
#include "radeon_mode.h"
36
#include "r600d.h"
37
#include "atom.h"
38
#include "avivod.h"
1128 serge 39
 
1221 serge 40
#define PFP_UCODE_SIZE 576
41
#define PM4_UCODE_SIZE 1792
1321 serge 42
#define RLC_UCODE_SIZE 768
1221 serge 43
#define R700_PFP_UCODE_SIZE 848
44
#define R700_PM4_UCODE_SIZE 1360
1321 serge 45
#define R700_RLC_UCODE_SIZE 1024
1963 serge 46
#define EVERGREEN_PFP_UCODE_SIZE 1120
47
#define EVERGREEN_PM4_UCODE_SIZE 1376
48
#define EVERGREEN_RLC_UCODE_SIZE 768
49
#define CAYMAN_RLC_UCODE_SIZE 1024
1128 serge 50
 
1221 serge 51
/* Firmware Names */
52
MODULE_FIRMWARE("radeon/R600_pfp.bin");
53
MODULE_FIRMWARE("radeon/R600_me.bin");
54
MODULE_FIRMWARE("radeon/RV610_pfp.bin");
55
MODULE_FIRMWARE("radeon/RV610_me.bin");
56
MODULE_FIRMWARE("radeon/RV630_pfp.bin");
57
MODULE_FIRMWARE("radeon/RV630_me.bin");
58
MODULE_FIRMWARE("radeon/RV620_pfp.bin");
59
MODULE_FIRMWARE("radeon/RV620_me.bin");
60
MODULE_FIRMWARE("radeon/RV635_pfp.bin");
61
MODULE_FIRMWARE("radeon/RV635_me.bin");
62
MODULE_FIRMWARE("radeon/RV670_pfp.bin");
63
MODULE_FIRMWARE("radeon/RV670_me.bin");
64
MODULE_FIRMWARE("radeon/RS780_pfp.bin");
65
MODULE_FIRMWARE("radeon/RS780_me.bin");
66
MODULE_FIRMWARE("radeon/RV770_pfp.bin");
67
MODULE_FIRMWARE("radeon/RV770_me.bin");
68
MODULE_FIRMWARE("radeon/RV730_pfp.bin");
69
MODULE_FIRMWARE("radeon/RV730_me.bin");
70
MODULE_FIRMWARE("radeon/RV710_pfp.bin");
71
MODULE_FIRMWARE("radeon/RV710_me.bin");
1321 serge 72
MODULE_FIRMWARE("radeon/R600_rlc.bin");
73
MODULE_FIRMWARE("radeon/R700_rlc.bin");
1963 serge 74
MODULE_FIRMWARE("radeon/CEDAR_pfp.bin");
75
MODULE_FIRMWARE("radeon/CEDAR_me.bin");
76
MODULE_FIRMWARE("radeon/CEDAR_rlc.bin");
77
MODULE_FIRMWARE("radeon/REDWOOD_pfp.bin");
78
MODULE_FIRMWARE("radeon/REDWOOD_me.bin");
79
MODULE_FIRMWARE("radeon/REDWOOD_rlc.bin");
80
MODULE_FIRMWARE("radeon/JUNIPER_pfp.bin");
81
MODULE_FIRMWARE("radeon/JUNIPER_me.bin");
82
MODULE_FIRMWARE("radeon/JUNIPER_rlc.bin");
83
MODULE_FIRMWARE("radeon/CYPRESS_pfp.bin");
84
MODULE_FIRMWARE("radeon/CYPRESS_me.bin");
85
MODULE_FIRMWARE("radeon/CYPRESS_rlc.bin");
86
MODULE_FIRMWARE("radeon/PALM_pfp.bin");
87
MODULE_FIRMWARE("radeon/PALM_me.bin");
88
MODULE_FIRMWARE("radeon/SUMO_rlc.bin");
89
MODULE_FIRMWARE("radeon/SUMO_pfp.bin");
90
MODULE_FIRMWARE("radeon/SUMO_me.bin");
91
MODULE_FIRMWARE("radeon/SUMO2_pfp.bin");
92
MODULE_FIRMWARE("radeon/SUMO2_me.bin");
1221 serge 93
 
94
int r600_debugfs_mc_info_init(struct radeon_device *rdev);
95
 
96
/* r600,rv610,rv630,rv620,rv635,rv670 */
1128 serge 97
int r600_mc_wait_for_idle(struct radeon_device *rdev);
98
void r600_gpu_init(struct radeon_device *rdev);
1221 serge 99
void r600_fini(struct radeon_device *rdev);
1963 serge 100
void r600_irq_disable(struct radeon_device *rdev);
101
static void r600_pcie_gen2_enable(struct radeon_device *rdev);
1128 serge 102
 
1963 serge 103
/* get temperature in millidegrees */
104
int rv6xx_get_temp(struct radeon_device *rdev)
105
{
106
	u32 temp = (RREG32(CG_THERMAL_STATUS) & ASIC_T_MASK) >>
107
		ASIC_T_SHIFT;
108
	int actual_temp = temp & 0xff;
109
 
110
	if (temp & 0x100)
111
		actual_temp -= 256;
112
 
113
	return actual_temp * 1000;
114
}
115
 
116
 
117
 
118
 
119
 
120
 
121
bool r600_gui_idle(struct radeon_device *rdev)
122
{
123
	if (RREG32(GRBM_STATUS) & GUI_ACTIVE)
124
		return false;
125
	else
126
		return true;
127
}
128
 
1321 serge 129
/* hpd for digital panel detect/disconnect */
130
bool r600_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd)
131
{
132
	bool connected = false;
133
 
134
	if (ASIC_IS_DCE3(rdev)) {
135
		switch (hpd) {
136
		case RADEON_HPD_1:
137
			if (RREG32(DC_HPD1_INT_STATUS) & DC_HPDx_SENSE)
138
				connected = true;
139
			break;
140
		case RADEON_HPD_2:
141
			if (RREG32(DC_HPD2_INT_STATUS) & DC_HPDx_SENSE)
142
				connected = true;
143
			break;
144
		case RADEON_HPD_3:
145
			if (RREG32(DC_HPD3_INT_STATUS) & DC_HPDx_SENSE)
146
				connected = true;
147
			break;
148
		case RADEON_HPD_4:
149
			if (RREG32(DC_HPD4_INT_STATUS) & DC_HPDx_SENSE)
150
				connected = true;
151
			break;
152
			/* DCE 3.2 */
153
		case RADEON_HPD_5:
154
			if (RREG32(DC_HPD5_INT_STATUS) & DC_HPDx_SENSE)
155
				connected = true;
156
			break;
157
		case RADEON_HPD_6:
158
			if (RREG32(DC_HPD6_INT_STATUS) & DC_HPDx_SENSE)
159
				connected = true;
160
			break;
161
		default:
162
			break;
163
		}
164
	} else {
165
		switch (hpd) {
166
		case RADEON_HPD_1:
167
			if (RREG32(DC_HOT_PLUG_DETECT1_INT_STATUS) & DC_HOT_PLUG_DETECTx_SENSE)
168
				connected = true;
169
			break;
170
		case RADEON_HPD_2:
171
			if (RREG32(DC_HOT_PLUG_DETECT2_INT_STATUS) & DC_HOT_PLUG_DETECTx_SENSE)
172
				connected = true;
173
			break;
174
		case RADEON_HPD_3:
175
			if (RREG32(DC_HOT_PLUG_DETECT3_INT_STATUS) & DC_HOT_PLUG_DETECTx_SENSE)
176
				connected = true;
177
			break;
178
		default:
179
			break;
180
		}
181
	}
182
	return connected;
183
}
184
 
185
void r600_hpd_set_polarity(struct radeon_device *rdev,
186
			   enum radeon_hpd_id hpd)
187
{
188
	u32 tmp;
189
	bool connected = r600_hpd_sense(rdev, hpd);
190
 
191
	if (ASIC_IS_DCE3(rdev)) {
192
		switch (hpd) {
193
		case RADEON_HPD_1:
194
			tmp = RREG32(DC_HPD1_INT_CONTROL);
195
			if (connected)
196
				tmp &= ~DC_HPDx_INT_POLARITY;
197
			else
198
				tmp |= DC_HPDx_INT_POLARITY;
199
			WREG32(DC_HPD1_INT_CONTROL, tmp);
200
			break;
201
		case RADEON_HPD_2:
202
			tmp = RREG32(DC_HPD2_INT_CONTROL);
203
			if (connected)
204
				tmp &= ~DC_HPDx_INT_POLARITY;
205
			else
206
				tmp |= DC_HPDx_INT_POLARITY;
207
			WREG32(DC_HPD2_INT_CONTROL, tmp);
208
			break;
209
		case RADEON_HPD_3:
210
			tmp = RREG32(DC_HPD3_INT_CONTROL);
211
			if (connected)
212
				tmp &= ~DC_HPDx_INT_POLARITY;
213
			else
214
				tmp |= DC_HPDx_INT_POLARITY;
215
			WREG32(DC_HPD3_INT_CONTROL, tmp);
216
			break;
217
		case RADEON_HPD_4:
218
			tmp = RREG32(DC_HPD4_INT_CONTROL);
219
			if (connected)
220
				tmp &= ~DC_HPDx_INT_POLARITY;
221
			else
222
				tmp |= DC_HPDx_INT_POLARITY;
223
			WREG32(DC_HPD4_INT_CONTROL, tmp);
224
			break;
225
		case RADEON_HPD_5:
226
			tmp = RREG32(DC_HPD5_INT_CONTROL);
227
			if (connected)
228
				tmp &= ~DC_HPDx_INT_POLARITY;
229
			else
230
				tmp |= DC_HPDx_INT_POLARITY;
231
			WREG32(DC_HPD5_INT_CONTROL, tmp);
232
			break;
233
			/* DCE 3.2 */
234
		case RADEON_HPD_6:
235
			tmp = RREG32(DC_HPD6_INT_CONTROL);
236
			if (connected)
237
				tmp &= ~DC_HPDx_INT_POLARITY;
238
			else
239
				tmp |= DC_HPDx_INT_POLARITY;
240
			WREG32(DC_HPD6_INT_CONTROL, tmp);
241
			break;
242
		default:
243
			break;
244
		}
245
	} else {
246
		switch (hpd) {
247
		case RADEON_HPD_1:
248
			tmp = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL);
249
			if (connected)
250
				tmp &= ~DC_HOT_PLUG_DETECTx_INT_POLARITY;
251
			else
252
				tmp |= DC_HOT_PLUG_DETECTx_INT_POLARITY;
253
			WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
254
			break;
255
		case RADEON_HPD_2:
256
			tmp = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL);
257
			if (connected)
258
				tmp &= ~DC_HOT_PLUG_DETECTx_INT_POLARITY;
259
			else
260
				tmp |= DC_HOT_PLUG_DETECTx_INT_POLARITY;
261
			WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
262
			break;
263
		case RADEON_HPD_3:
264
			tmp = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL);
265
			if (connected)
266
				tmp &= ~DC_HOT_PLUG_DETECTx_INT_POLARITY;
267
			else
268
				tmp |= DC_HOT_PLUG_DETECTx_INT_POLARITY;
269
			WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, tmp);
270
			break;
271
		default:
272
			break;
273
		}
274
	}
275
}
276
 
277
void r600_hpd_init(struct radeon_device *rdev)
278
{
279
	struct drm_device *dev = rdev->ddev;
280
	struct drm_connector *connector;
281
 
282
	if (ASIC_IS_DCE3(rdev)) {
283
		u32 tmp = DC_HPDx_CONNECTION_TIMER(0x9c4) | DC_HPDx_RX_INT_TIMER(0xfa);
284
		if (ASIC_IS_DCE32(rdev))
285
			tmp |= DC_HPDx_EN;
286
 
287
		list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
288
			struct radeon_connector *radeon_connector = to_radeon_connector(connector);
289
			switch (radeon_connector->hpd.hpd) {
290
			case RADEON_HPD_1:
291
				WREG32(DC_HPD1_CONTROL, tmp);
1403 serge 292
//               rdev->irq.hpd[0] = true;
1321 serge 293
				break;
294
			case RADEON_HPD_2:
295
				WREG32(DC_HPD2_CONTROL, tmp);
1403 serge 296
//               rdev->irq.hpd[1] = true;
1321 serge 297
				break;
298
			case RADEON_HPD_3:
299
				WREG32(DC_HPD3_CONTROL, tmp);
1403 serge 300
//               rdev->irq.hpd[2] = true;
1321 serge 301
				break;
302
			case RADEON_HPD_4:
303
				WREG32(DC_HPD4_CONTROL, tmp);
1403 serge 304
//               rdev->irq.hpd[3] = true;
1321 serge 305
				break;
306
				/* DCE 3.2 */
307
			case RADEON_HPD_5:
308
				WREG32(DC_HPD5_CONTROL, tmp);
1403 serge 309
//               rdev->irq.hpd[4] = true;
1321 serge 310
				break;
311
			case RADEON_HPD_6:
312
				WREG32(DC_HPD6_CONTROL, tmp);
1403 serge 313
//               rdev->irq.hpd[5] = true;
1321 serge 314
				break;
315
			default:
316
				break;
317
			}
318
		}
319
	} else {
320
		list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
321
			struct radeon_connector *radeon_connector = to_radeon_connector(connector);
322
			switch (radeon_connector->hpd.hpd) {
323
			case RADEON_HPD_1:
324
				WREG32(DC_HOT_PLUG_DETECT1_CONTROL, DC_HOT_PLUG_DETECTx_EN);
1403 serge 325
//               rdev->irq.hpd[0] = true;
1321 serge 326
				break;
327
			case RADEON_HPD_2:
328
				WREG32(DC_HOT_PLUG_DETECT2_CONTROL, DC_HOT_PLUG_DETECTx_EN);
1403 serge 329
//               rdev->irq.hpd[1] = true;
1321 serge 330
				break;
331
			case RADEON_HPD_3:
332
				WREG32(DC_HOT_PLUG_DETECT3_CONTROL, DC_HOT_PLUG_DETECTx_EN);
1403 serge 333
//               rdev->irq.hpd[2] = true;
1321 serge 334
				break;
335
			default:
336
				break;
337
			}
338
		}
339
	}
1403 serge 340
//   if (rdev->irq.installed)
341
//   r600_irq_set(rdev);
1321 serge 342
}
343
 
344
void r600_hpd_fini(struct radeon_device *rdev)
345
{
346
	struct drm_device *dev = rdev->ddev;
347
	struct drm_connector *connector;
348
 
349
	if (ASIC_IS_DCE3(rdev)) {
350
		list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
351
			struct radeon_connector *radeon_connector = to_radeon_connector(connector);
352
			switch (radeon_connector->hpd.hpd) {
353
			case RADEON_HPD_1:
354
				WREG32(DC_HPD1_CONTROL, 0);
1403 serge 355
//               rdev->irq.hpd[0] = false;
1321 serge 356
				break;
357
			case RADEON_HPD_2:
358
				WREG32(DC_HPD2_CONTROL, 0);
1403 serge 359
//               rdev->irq.hpd[1] = false;
1321 serge 360
				break;
361
			case RADEON_HPD_3:
362
				WREG32(DC_HPD3_CONTROL, 0);
1403 serge 363
//               rdev->irq.hpd[2] = false;
1321 serge 364
				break;
365
			case RADEON_HPD_4:
366
				WREG32(DC_HPD4_CONTROL, 0);
1403 serge 367
//               rdev->irq.hpd[3] = false;
1321 serge 368
				break;
369
				/* DCE 3.2 */
370
			case RADEON_HPD_5:
371
				WREG32(DC_HPD5_CONTROL, 0);
1403 serge 372
//               rdev->irq.hpd[4] = false;
1321 serge 373
				break;
374
			case RADEON_HPD_6:
375
				WREG32(DC_HPD6_CONTROL, 0);
1403 serge 376
//               rdev->irq.hpd[5] = false;
1321 serge 377
				break;
378
			default:
379
				break;
380
			}
381
		}
382
	} else {
383
		list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
384
			struct radeon_connector *radeon_connector = to_radeon_connector(connector);
385
			switch (radeon_connector->hpd.hpd) {
386
			case RADEON_HPD_1:
387
				WREG32(DC_HOT_PLUG_DETECT1_CONTROL, 0);
1403 serge 388
//               rdev->irq.hpd[0] = false;
1321 serge 389
				break;
390
			case RADEON_HPD_2:
391
				WREG32(DC_HOT_PLUG_DETECT2_CONTROL, 0);
1403 serge 392
//               rdev->irq.hpd[1] = false;
1321 serge 393
				break;
394
			case RADEON_HPD_3:
395
				WREG32(DC_HOT_PLUG_DETECT3_CONTROL, 0);
1403 serge 396
//               rdev->irq.hpd[2] = false;
1321 serge 397
				break;
398
			default:
399
				break;
400
			}
401
		}
402
	}
403
}
404
 
1128 serge 405
/*
1221 serge 406
 * R600 PCIE GART
1128 serge 407
 */
1221 serge 408
void r600_pcie_gart_tlb_flush(struct radeon_device *rdev)
409
{
410
	unsigned i;
411
	u32 tmp;
1128 serge 412
 
1430 serge 413
	/* flush hdp cache so updates hit vram */
1963 serge 414
	if ((rdev->family >= CHIP_RV770) && (rdev->family <= CHIP_RV740) &&
415
	    !(rdev->flags & RADEON_IS_AGP)) {
416
		void __iomem *ptr = (void *)rdev->gart.table.vram.ptr;
417
		u32 tmp;
418
 
419
		/* r7xx hw bug.  write to HDP_DEBUG1 followed by fb read
420
		 * rather than write to HDP_REG_COHERENCY_FLUSH_CNTL
421
		 * This seems to cause problems on some AGP cards. Just use the old
422
		 * method for them.
423
		 */
424
		WREG32(HDP_DEBUG1, 0);
425
		tmp = readl((void __iomem *)ptr);
426
	} else
1430 serge 427
	WREG32(R_005480_HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
428
 
1221 serge 429
	WREG32(VM_CONTEXT0_INVALIDATION_LOW_ADDR, rdev->mc.gtt_start >> 12);
430
	WREG32(VM_CONTEXT0_INVALIDATION_HIGH_ADDR, (rdev->mc.gtt_end - 1) >> 12);
431
	WREG32(VM_CONTEXT0_REQUEST_RESPONSE, REQUEST_TYPE(1));
432
	for (i = 0; i < rdev->usec_timeout; i++) {
433
		/* read MC_STATUS */
434
		tmp = RREG32(VM_CONTEXT0_REQUEST_RESPONSE);
435
		tmp = (tmp & RESPONSE_TYPE_MASK) >> RESPONSE_TYPE_SHIFT;
436
		if (tmp == 2) {
437
			printk(KERN_WARNING "[drm] r600 flush TLB failed\n");
438
			return;
439
		}
440
		if (tmp) {
441
			return;
442
		}
443
		udelay(1);
1128 serge 444
	}
1221 serge 445
}
1128 serge 446
 
1221 serge 447
int r600_pcie_gart_init(struct radeon_device *rdev)
448
{
449
	int r;
450
 
451
	if (rdev->gart.table.vram.robj) {
1963 serge 452
		WARN(1, "R600 PCIE GART already initialized\n");
1221 serge 453
		return 0;
454
	}
455
	/* Initialize common gart structure */
456
	r = radeon_gart_init(rdev);
457
	if (r)
458
		return r;
459
	rdev->gart.table_size = rdev->gart.num_gpu_pages * 8;
460
	return radeon_gart_table_vram_alloc(rdev);
461
}
462
 
463
int r600_pcie_gart_enable(struct radeon_device *rdev)
464
{
465
	u32 tmp;
466
	int r, i;
467
 
468
	if (rdev->gart.table.vram.robj == NULL) {
469
		dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
470
		return -EINVAL;
471
	}
472
	r = radeon_gart_table_vram_pin(rdev);
473
	if (r)
474
		return r;
1430 serge 475
	radeon_gart_restore(rdev);
1221 serge 476
 
477
	/* Setup L2 cache */
478
	WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
479
				ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
480
				EFFECTIVE_L2_QUEUE_SIZE(7));
481
	WREG32(VM_L2_CNTL2, 0);
482
	WREG32(VM_L2_CNTL3, BANK_SELECT_0(0) | BANK_SELECT_1(1));
483
	/* Setup TLB control */
484
	tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
485
		SYSTEM_ACCESS_MODE_NOT_IN_SYS |
486
		EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5) |
487
		ENABLE_WAIT_L2_QUERY;
488
	WREG32(MC_VM_L1_TLB_MCB_RD_SYS_CNTL, tmp);
489
	WREG32(MC_VM_L1_TLB_MCB_WR_SYS_CNTL, tmp);
490
	WREG32(MC_VM_L1_TLB_MCB_RD_HDP_CNTL, tmp | ENABLE_L1_STRICT_ORDERING);
491
	WREG32(MC_VM_L1_TLB_MCB_WR_HDP_CNTL, tmp);
492
	WREG32(MC_VM_L1_TLB_MCD_RD_A_CNTL, tmp);
493
	WREG32(MC_VM_L1_TLB_MCD_WR_A_CNTL, tmp);
494
	WREG32(MC_VM_L1_TLB_MCD_RD_B_CNTL, tmp);
495
	WREG32(MC_VM_L1_TLB_MCD_WR_B_CNTL, tmp);
496
	WREG32(MC_VM_L1_TLB_MCB_RD_GFX_CNTL, tmp);
497
	WREG32(MC_VM_L1_TLB_MCB_WR_GFX_CNTL, tmp);
498
	WREG32(MC_VM_L1_TLB_MCB_RD_PDMA_CNTL, tmp);
499
	WREG32(MC_VM_L1_TLB_MCB_WR_PDMA_CNTL, tmp);
500
	WREG32(MC_VM_L1_TLB_MCB_RD_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE);
501
	WREG32(MC_VM_L1_TLB_MCB_WR_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE);
502
	WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
503
	WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
504
	WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
505
	WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
506
				RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
507
	WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
508
			(u32)(rdev->dummy_page.addr >> 12));
509
	for (i = 1; i < 7; i++)
510
		WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
511
 
512
	r600_pcie_gart_tlb_flush(rdev);
513
	rdev->gart.ready = true;
1128 serge 514
	return 0;
515
}
516
 
1221 serge 517
void r600_pcie_gart_disable(struct radeon_device *rdev)
1128 serge 518
{
1221 serge 519
	u32 tmp;
1321 serge 520
	int i, r;
1221 serge 521
 
522
	/* Disable all tables */
523
	for (i = 0; i < 7; i++)
524
		WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
525
 
526
	/* Disable L2 cache */
527
	WREG32(VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING |
528
				EFFECTIVE_L2_QUEUE_SIZE(7));
529
	WREG32(VM_L2_CNTL3, BANK_SELECT_0(0) | BANK_SELECT_1(1));
530
	/* Setup L1 TLB control */
531
	tmp = EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5) |
532
		ENABLE_WAIT_L2_QUERY;
533
	WREG32(MC_VM_L1_TLB_MCD_RD_A_CNTL, tmp);
534
	WREG32(MC_VM_L1_TLB_MCD_WR_A_CNTL, tmp);
535
	WREG32(MC_VM_L1_TLB_MCD_RD_B_CNTL, tmp);
536
	WREG32(MC_VM_L1_TLB_MCD_WR_B_CNTL, tmp);
537
	WREG32(MC_VM_L1_TLB_MCB_RD_GFX_CNTL, tmp);
538
	WREG32(MC_VM_L1_TLB_MCB_WR_GFX_CNTL, tmp);
539
	WREG32(MC_VM_L1_TLB_MCB_RD_PDMA_CNTL, tmp);
540
	WREG32(MC_VM_L1_TLB_MCB_WR_PDMA_CNTL, tmp);
541
	WREG32(MC_VM_L1_TLB_MCB_RD_SEM_CNTL, tmp);
542
	WREG32(MC_VM_L1_TLB_MCB_WR_SEM_CNTL, tmp);
543
	WREG32(MC_VM_L1_TLB_MCB_RD_SYS_CNTL, tmp);
544
	WREG32(MC_VM_L1_TLB_MCB_WR_SYS_CNTL, tmp);
545
	WREG32(MC_VM_L1_TLB_MCB_RD_HDP_CNTL, tmp);
546
	WREG32(MC_VM_L1_TLB_MCB_WR_HDP_CNTL, tmp);
547
	if (rdev->gart.table.vram.robj) {
1403 serge 548
		r = radeon_bo_reserve(rdev->gart.table.vram.robj, false);
549
		if (likely(r == 0)) {
550
			radeon_bo_kunmap(rdev->gart.table.vram.robj);
551
			radeon_bo_unpin(rdev->gart.table.vram.robj);
552
			radeon_bo_unreserve(rdev->gart.table.vram.robj);
553
		}
1221 serge 554
	}
1128 serge 555
}
556
 
1221 serge 557
void r600_pcie_gart_fini(struct radeon_device *rdev)
558
{
1963 serge 559
	radeon_gart_fini(rdev);
1221 serge 560
	r600_pcie_gart_disable(rdev);
561
	radeon_gart_table_vram_free(rdev);
562
}
1128 serge 563
 
1221 serge 564
void r600_agp_enable(struct radeon_device *rdev)
1128 serge 565
{
1221 serge 566
	u32 tmp;
567
	int i;
568
 
569
	/* Setup L2 cache */
570
	WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
571
				ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
572
				EFFECTIVE_L2_QUEUE_SIZE(7));
573
	WREG32(VM_L2_CNTL2, 0);
574
	WREG32(VM_L2_CNTL3, BANK_SELECT_0(0) | BANK_SELECT_1(1));
575
	/* Setup TLB control */
576
	tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
577
		SYSTEM_ACCESS_MODE_NOT_IN_SYS |
578
		EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5) |
579
		ENABLE_WAIT_L2_QUERY;
580
	WREG32(MC_VM_L1_TLB_MCB_RD_SYS_CNTL, tmp);
581
	WREG32(MC_VM_L1_TLB_MCB_WR_SYS_CNTL, tmp);
582
	WREG32(MC_VM_L1_TLB_MCB_RD_HDP_CNTL, tmp | ENABLE_L1_STRICT_ORDERING);
583
	WREG32(MC_VM_L1_TLB_MCB_WR_HDP_CNTL, tmp);
584
	WREG32(MC_VM_L1_TLB_MCD_RD_A_CNTL, tmp);
585
	WREG32(MC_VM_L1_TLB_MCD_WR_A_CNTL, tmp);
586
	WREG32(MC_VM_L1_TLB_MCD_RD_B_CNTL, tmp);
587
	WREG32(MC_VM_L1_TLB_MCD_WR_B_CNTL, tmp);
588
	WREG32(MC_VM_L1_TLB_MCB_RD_GFX_CNTL, tmp);
589
	WREG32(MC_VM_L1_TLB_MCB_WR_GFX_CNTL, tmp);
590
	WREG32(MC_VM_L1_TLB_MCB_RD_PDMA_CNTL, tmp);
591
	WREG32(MC_VM_L1_TLB_MCB_WR_PDMA_CNTL, tmp);
592
	WREG32(MC_VM_L1_TLB_MCB_RD_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE);
593
	WREG32(MC_VM_L1_TLB_MCB_WR_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE);
594
	for (i = 0; i < 7; i++)
595
		WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
1128 serge 596
}
597
 
598
int r600_mc_wait_for_idle(struct radeon_device *rdev)
599
{
1221 serge 600
	unsigned i;
601
	u32 tmp;
602
 
603
	for (i = 0; i < rdev->usec_timeout; i++) {
604
		/* read MC_STATUS */
605
		tmp = RREG32(R_000E50_SRBM_STATUS) & 0x3F00;
606
		if (!tmp)
1128 serge 607
	return 0;
1221 serge 608
		udelay(1);
609
	}
610
	return -1;
1128 serge 611
}
612
 
1221 serge 613
static void r600_mc_program(struct radeon_device *rdev)
1128 serge 614
{
1221 serge 615
	struct rv515_mc_save save;
616
	u32 tmp;
617
	int i, j;
618
 
619
	/* Initialize HDP */
620
	for (i = 0, j = 0; i < 32; i++, j += 0x18) {
621
		WREG32((0x2c14 + j), 0x00000000);
622
		WREG32((0x2c18 + j), 0x00000000);
623
		WREG32((0x2c1c + j), 0x00000000);
624
		WREG32((0x2c20 + j), 0x00000000);
625
		WREG32((0x2c24 + j), 0x00000000);
626
	}
627
	WREG32(HDP_REG_COHERENCY_FLUSH_CNTL, 0);
628
 
629
	rv515_mc_stop(rdev, &save);
630
	if (r600_mc_wait_for_idle(rdev)) {
631
		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
632
	}
633
	/* Lockout access through VGA aperture (doesn't exist before R600) */
634
	WREG32(VGA_HDP_CONTROL, VGA_MEMORY_DISABLE);
635
	/* Update configuration */
636
	if (rdev->flags & RADEON_IS_AGP) {
637
		if (rdev->mc.vram_start < rdev->mc.gtt_start) {
638
			/* VRAM before AGP */
639
			WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
640
				rdev->mc.vram_start >> 12);
641
			WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
642
				rdev->mc.gtt_end >> 12);
643
		} else {
644
			/* VRAM after AGP */
645
			WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
646
				rdev->mc.gtt_start >> 12);
647
			WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
648
				rdev->mc.vram_end >> 12);
649
		}
650
	} else {
651
		WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR, rdev->mc.vram_start >> 12);
652
		WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR, rdev->mc.vram_end >> 12);
653
	}
654
	WREG32(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, 0);
655
	tmp = ((rdev->mc.vram_end >> 24) & 0xFFFF) << 16;
656
	tmp |= ((rdev->mc.vram_start >> 24) & 0xFFFF);
657
	WREG32(MC_VM_FB_LOCATION, tmp);
658
	WREG32(HDP_NONSURFACE_BASE, (rdev->mc.vram_start >> 8));
659
	WREG32(HDP_NONSURFACE_INFO, (2 << 7));
1963 serge 660
	WREG32(HDP_NONSURFACE_SIZE, 0x3FFFFFFF);
1221 serge 661
	if (rdev->flags & RADEON_IS_AGP) {
662
		WREG32(MC_VM_AGP_TOP, rdev->mc.gtt_end >> 22);
663
		WREG32(MC_VM_AGP_BOT, rdev->mc.gtt_start >> 22);
664
		WREG32(MC_VM_AGP_BASE, rdev->mc.agp_base >> 22);
665
	} else {
666
		WREG32(MC_VM_AGP_BASE, 0);
667
		WREG32(MC_VM_AGP_TOP, 0x0FFFFFFF);
668
		WREG32(MC_VM_AGP_BOT, 0x0FFFFFFF);
669
	}
670
	if (r600_mc_wait_for_idle(rdev)) {
671
		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
672
	}
673
	rv515_mc_resume(rdev, &save);
674
	/* we need to own VRAM, so turn off the VGA renderer here
675
	 * to stop it overwriting our objects */
676
	rv515_vga_render_disable(rdev);
1128 serge 677
}
678
 
1430 serge 679
/**
680
 * r600_vram_gtt_location - try to find VRAM & GTT location
681
 * @rdev: radeon device structure holding all necessary informations
682
 * @mc: memory controller structure holding memory informations
683
 *
684
 * Function will place try to place VRAM at same place as in CPU (PCI)
685
 * address space as some GPU seems to have issue when we reprogram at
686
 * different address space.
687
 *
688
 * If there is not enough space to fit the unvisible VRAM after the
689
 * aperture then we limit the VRAM size to the aperture.
690
 *
691
 * If we are using AGP then place VRAM adjacent to AGP aperture are we need
692
 * them to be in one from GPU point of view so that we can program GPU to
693
 * catch access outside them (weird GPU policy see ??).
694
 *
695
 * This function will never fails, worst case are limiting VRAM or GTT.
696
 *
697
 * Note: GTT start, end, size should be initialized before calling this
698
 * function on AGP platform.
699
 */
1963 serge 700
static void r600_vram_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc)
1430 serge 701
{
702
	u64 size_bf, size_af;
703
 
704
	if (mc->mc_vram_size > 0xE0000000) {
705
		/* leave room for at least 512M GTT */
706
		dev_warn(rdev->dev, "limiting VRAM\n");
707
		mc->real_vram_size = 0xE0000000;
708
		mc->mc_vram_size = 0xE0000000;
709
	}
710
	if (rdev->flags & RADEON_IS_AGP) {
711
		size_bf = mc->gtt_start;
712
		size_af = 0xFFFFFFFF - mc->gtt_end + 1;
713
		if (size_bf > size_af) {
714
			if (mc->mc_vram_size > size_bf) {
715
				dev_warn(rdev->dev, "limiting VRAM\n");
716
				mc->real_vram_size = size_bf;
717
				mc->mc_vram_size = size_bf;
718
			}
719
			mc->vram_start = mc->gtt_start - mc->mc_vram_size;
720
		} else {
721
			if (mc->mc_vram_size > size_af) {
722
				dev_warn(rdev->dev, "limiting VRAM\n");
723
				mc->real_vram_size = size_af;
724
				mc->mc_vram_size = size_af;
725
			}
726
			mc->vram_start = mc->gtt_end;
727
		}
728
		mc->vram_end = mc->vram_start + mc->mc_vram_size - 1;
729
		dev_info(rdev->dev, "VRAM: %lluM 0x%08llX - 0x%08llX (%lluM used)\n",
730
				mc->mc_vram_size >> 20, mc->vram_start,
731
				mc->vram_end, mc->real_vram_size >> 20);
732
	} else {
733
		u64 base = 0;
1963 serge 734
		if (rdev->flags & RADEON_IS_IGP) {
735
			base = RREG32(MC_VM_FB_LOCATION) & 0xFFFF;
736
			base <<= 24;
737
		}
1430 serge 738
		radeon_vram_location(rdev, &rdev->mc, base);
1963 serge 739
		rdev->mc.gtt_base_align = 0;
1430 serge 740
		radeon_gtt_location(rdev, mc);
741
	}
742
}
743
 
1221 serge 744
int r600_mc_init(struct radeon_device *rdev)
1128 serge 745
{
1221 serge 746
	u32 tmp;
1268 serge 747
	int chansize, numchan;
1128 serge 748
 
1221 serge 749
	/* Get VRAM informations */
1128 serge 750
	rdev->mc.vram_is_ddr = true;
1221 serge 751
	tmp = RREG32(RAMCFG);
752
	if (tmp & CHANSIZE_OVERRIDE) {
1128 serge 753
		chansize = 16;
1221 serge 754
	} else if (tmp & CHANSIZE_MASK) {
1128 serge 755
		chansize = 64;
756
	} else {
757
		chansize = 32;
758
	}
1268 serge 759
	tmp = RREG32(CHMAP);
760
	switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
761
	case 0:
762
	default:
763
		numchan = 1;
764
		break;
765
	case 1:
766
		numchan = 2;
767
		break;
768
	case 2:
769
		numchan = 4;
770
		break;
771
	case 3:
772
		numchan = 8;
773
		break;
1128 serge 774
	}
1268 serge 775
	rdev->mc.vram_width = numchan * chansize;
1221 serge 776
	/* Could aper size report 0 ? */
1963 serge 777
	rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
778
	rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
1221 serge 779
	/* Setup GPU memory space */
780
	rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE);
781
	rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE);
1430 serge 782
	rdev->mc.visible_vram_size = rdev->mc.aper_size;
783
	r600_vram_gtt_location(rdev, &rdev->mc);
1963 serge 784
 
785
	if (rdev->flags & RADEON_IS_IGP) {
786
		rs690_pm_info(rdev);
1403 serge 787
		rdev->mc.igp_sideport_enabled = radeon_atombios_sideport_present(rdev);
1963 serge 788
	}
789
	radeon_update_bandwidth_info(rdev);
1221 serge 790
	return 0;
1128 serge 791
}
792
 
1221 serge 793
/* We doesn't check that the GPU really needs a reset we simply do the
794
 * reset, it's up to the caller to determine if the GPU needs one. We
795
 * might add an helper function to check that.
796
 */
797
int r600_gpu_soft_reset(struct radeon_device *rdev)
1128 serge 798
{
1221 serge 799
	struct rv515_mc_save save;
800
	u32 grbm_busy_mask = S_008010_VC_BUSY(1) | S_008010_VGT_BUSY_NO_DMA(1) |
801
				S_008010_VGT_BUSY(1) | S_008010_TA03_BUSY(1) |
802
				S_008010_TC_BUSY(1) | S_008010_SX_BUSY(1) |
803
				S_008010_SH_BUSY(1) | S_008010_SPI03_BUSY(1) |
804
				S_008010_SMX_BUSY(1) | S_008010_SC_BUSY(1) |
805
				S_008010_PA_BUSY(1) | S_008010_DB03_BUSY(1) |
806
				S_008010_CR_BUSY(1) | S_008010_CB03_BUSY(1) |
807
				S_008010_GUI_ACTIVE(1);
808
	u32 grbm2_busy_mask = S_008014_SPI0_BUSY(1) | S_008014_SPI1_BUSY(1) |
809
			S_008014_SPI2_BUSY(1) | S_008014_SPI3_BUSY(1) |
810
			S_008014_TA0_BUSY(1) | S_008014_TA1_BUSY(1) |
811
			S_008014_TA2_BUSY(1) | S_008014_TA3_BUSY(1) |
812
			S_008014_DB0_BUSY(1) | S_008014_DB1_BUSY(1) |
813
			S_008014_DB2_BUSY(1) | S_008014_DB3_BUSY(1) |
814
			S_008014_CB0_BUSY(1) | S_008014_CB1_BUSY(1) |
815
			S_008014_CB2_BUSY(1) | S_008014_CB3_BUSY(1);
816
	u32 tmp;
1128 serge 817
 
1963 serge 818
	if (!(RREG32(GRBM_STATUS) & GUI_ACTIVE))
819
		return 0;
820
 
1221 serge 821
	dev_info(rdev->dev, "GPU softreset \n");
822
	dev_info(rdev->dev, "  R_008010_GRBM_STATUS=0x%08X\n",
823
		RREG32(R_008010_GRBM_STATUS));
824
	dev_info(rdev->dev, "  R_008014_GRBM_STATUS2=0x%08X\n",
825
		RREG32(R_008014_GRBM_STATUS2));
826
	dev_info(rdev->dev, "  R_000E50_SRBM_STATUS=0x%08X\n",
827
		RREG32(R_000E50_SRBM_STATUS));
828
	rv515_mc_stop(rdev, &save);
829
	if (r600_mc_wait_for_idle(rdev)) {
830
		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
831
	}
832
	/* Disable CP parsing/prefetching */
1963 serge 833
	WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1));
1221 serge 834
	/* Check if any of the rendering block is busy and reset it */
835
	if ((RREG32(R_008010_GRBM_STATUS) & grbm_busy_mask) ||
836
	    (RREG32(R_008014_GRBM_STATUS2) & grbm2_busy_mask)) {
837
		tmp = S_008020_SOFT_RESET_CR(1) |
838
			S_008020_SOFT_RESET_DB(1) |
839
			S_008020_SOFT_RESET_CB(1) |
840
			S_008020_SOFT_RESET_PA(1) |
841
			S_008020_SOFT_RESET_SC(1) |
842
			S_008020_SOFT_RESET_SMX(1) |
843
			S_008020_SOFT_RESET_SPI(1) |
844
			S_008020_SOFT_RESET_SX(1) |
845
			S_008020_SOFT_RESET_SH(1) |
846
			S_008020_SOFT_RESET_TC(1) |
847
			S_008020_SOFT_RESET_TA(1) |
848
			S_008020_SOFT_RESET_VC(1) |
849
			S_008020_SOFT_RESET_VGT(1);
850
		dev_info(rdev->dev, "  R_008020_GRBM_SOFT_RESET=0x%08X\n", tmp);
851
		WREG32(R_008020_GRBM_SOFT_RESET, tmp);
1963 serge 852
		RREG32(R_008020_GRBM_SOFT_RESET);
853
		mdelay(15);
1221 serge 854
		WREG32(R_008020_GRBM_SOFT_RESET, 0);
855
	}
856
	/* Reset CP (we always reset CP) */
857
	tmp = S_008020_SOFT_RESET_CP(1);
858
	dev_info(rdev->dev, "R_008020_GRBM_SOFT_RESET=0x%08X\n", tmp);
859
	WREG32(R_008020_GRBM_SOFT_RESET, tmp);
1963 serge 860
	RREG32(R_008020_GRBM_SOFT_RESET);
861
	mdelay(15);
1221 serge 862
	WREG32(R_008020_GRBM_SOFT_RESET, 0);
863
	/* Wait a little for things to settle down */
1963 serge 864
	mdelay(1);
1221 serge 865
	dev_info(rdev->dev, "  R_008010_GRBM_STATUS=0x%08X\n",
866
		RREG32(R_008010_GRBM_STATUS));
867
	dev_info(rdev->dev, "  R_008014_GRBM_STATUS2=0x%08X\n",
868
		RREG32(R_008014_GRBM_STATUS2));
869
	dev_info(rdev->dev, "  R_000E50_SRBM_STATUS=0x%08X\n",
870
		RREG32(R_000E50_SRBM_STATUS));
871
	rv515_mc_resume(rdev, &save);
872
	return 0;
1128 serge 873
}
874
 
1963 serge 875
bool r600_gpu_is_lockup(struct radeon_device *rdev)
1221 serge 876
{
1963 serge 877
	u32 srbm_status;
878
	u32 grbm_status;
879
	u32 grbm_status2;
880
	struct r100_gpu_lockup *lockup;
881
	int r;
882
 
883
	if (rdev->family >= CHIP_RV770)
884
		lockup = &rdev->config.rv770.lockup;
885
	else
886
		lockup = &rdev->config.r600.lockup;
887
 
888
	srbm_status = RREG32(R_000E50_SRBM_STATUS);
889
	grbm_status = RREG32(R_008010_GRBM_STATUS);
890
	grbm_status2 = RREG32(R_008014_GRBM_STATUS2);
891
	if (!G_008010_GUI_ACTIVE(grbm_status)) {
892
		r100_gpu_lockup_update(lockup, &rdev->cp);
893
		return false;
894
	}
895
	/* force CP activities */
896
	r = radeon_ring_lock(rdev, 2);
897
	if (!r) {
898
		/* PACKET2 NOP */
899
		radeon_ring_write(rdev, 0x80000000);
900
		radeon_ring_write(rdev, 0x80000000);
901
		radeon_ring_unlock_commit(rdev);
902
	}
903
	rdev->cp.rptr = RREG32(R600_CP_RB_RPTR);
904
	return r100_gpu_cp_is_lockup(rdev, lockup, &rdev->cp);
905
}
906
 
907
int r600_asic_reset(struct radeon_device *rdev)
908
{
1221 serge 909
	return r600_gpu_soft_reset(rdev);
910
}
911
 
912
static u32 r600_get_tile_pipe_to_backend_map(u32 num_tile_pipes,
913
					     u32 num_backends,
914
					     u32 backend_disable_mask)
915
{
916
	u32 backend_map = 0;
917
	u32 enabled_backends_mask;
918
	u32 enabled_backends_count;
919
	u32 cur_pipe;
920
	u32 swizzle_pipe[R6XX_MAX_PIPES];
921
	u32 cur_backend;
922
	u32 i;
923
 
924
	if (num_tile_pipes > R6XX_MAX_PIPES)
925
		num_tile_pipes = R6XX_MAX_PIPES;
926
	if (num_tile_pipes < 1)
927
		num_tile_pipes = 1;
928
	if (num_backends > R6XX_MAX_BACKENDS)
929
		num_backends = R6XX_MAX_BACKENDS;
930
	if (num_backends < 1)
931
		num_backends = 1;
932
 
933
	enabled_backends_mask = 0;
934
	enabled_backends_count = 0;
935
	for (i = 0; i < R6XX_MAX_BACKENDS; ++i) {
936
		if (((backend_disable_mask >> i) & 1) == 0) {
937
			enabled_backends_mask |= (1 << i);
938
			++enabled_backends_count;
939
		}
940
		if (enabled_backends_count == num_backends)
941
			break;
942
	}
943
 
944
	if (enabled_backends_count == 0) {
945
		enabled_backends_mask = 1;
946
		enabled_backends_count = 1;
947
	}
948
 
949
	if (enabled_backends_count != num_backends)
950
		num_backends = enabled_backends_count;
951
 
952
	memset((uint8_t *)&swizzle_pipe[0], 0, sizeof(u32) * R6XX_MAX_PIPES);
953
	switch (num_tile_pipes) {
954
	case 1:
955
		swizzle_pipe[0] = 0;
956
		break;
957
	case 2:
958
		swizzle_pipe[0] = 0;
959
		swizzle_pipe[1] = 1;
960
		break;
961
	case 3:
962
		swizzle_pipe[0] = 0;
963
		swizzle_pipe[1] = 1;
964
		swizzle_pipe[2] = 2;
965
		break;
966
	case 4:
967
		swizzle_pipe[0] = 0;
968
		swizzle_pipe[1] = 1;
969
		swizzle_pipe[2] = 2;
970
		swizzle_pipe[3] = 3;
971
		break;
972
	case 5:
973
		swizzle_pipe[0] = 0;
974
		swizzle_pipe[1] = 1;
975
		swizzle_pipe[2] = 2;
976
		swizzle_pipe[3] = 3;
977
		swizzle_pipe[4] = 4;
978
		break;
979
	case 6:
980
		swizzle_pipe[0] = 0;
981
		swizzle_pipe[1] = 2;
982
		swizzle_pipe[2] = 4;
983
		swizzle_pipe[3] = 5;
984
		swizzle_pipe[4] = 1;
985
		swizzle_pipe[5] = 3;
986
		break;
987
	case 7:
988
		swizzle_pipe[0] = 0;
989
		swizzle_pipe[1] = 2;
990
		swizzle_pipe[2] = 4;
991
		swizzle_pipe[3] = 6;
992
		swizzle_pipe[4] = 1;
993
		swizzle_pipe[5] = 3;
994
		swizzle_pipe[6] = 5;
995
		break;
996
	case 8:
997
		swizzle_pipe[0] = 0;
998
		swizzle_pipe[1] = 2;
999
		swizzle_pipe[2] = 4;
1000
		swizzle_pipe[3] = 6;
1001
		swizzle_pipe[4] = 1;
1002
		swizzle_pipe[5] = 3;
1003
		swizzle_pipe[6] = 5;
1004
		swizzle_pipe[7] = 7;
1005
		break;
1006
	}
1007
 
1008
	cur_backend = 0;
1009
	for (cur_pipe = 0; cur_pipe < num_tile_pipes; ++cur_pipe) {
1010
		while (((1 << cur_backend) & enabled_backends_mask) == 0)
1011
			cur_backend = (cur_backend + 1) % R6XX_MAX_BACKENDS;
1012
 
1013
		backend_map |= (u32)(((cur_backend & 3) << (swizzle_pipe[cur_pipe] * 2)));
1014
 
1015
		cur_backend = (cur_backend + 1) % R6XX_MAX_BACKENDS;
1016
	}
1017
 
1018
	return backend_map;
1019
}
1020
 
1021
int r600_count_pipe_bits(uint32_t val)
1022
{
1023
	int i, ret = 0;
1024
 
1025
	for (i = 0; i < 32; i++) {
1026
		ret += val & 1;
1027
		val >>= 1;
1028
	}
1029
	return ret;
1030
}
1031
 
1032
void r600_gpu_init(struct radeon_device *rdev)
1033
{
1034
	u32 tiling_config;
1035
	u32 ramcfg;
1430 serge 1036
	u32 backend_map;
1037
	u32 cc_rb_backend_disable;
1038
	u32 cc_gc_shader_pipe_config;
1221 serge 1039
	u32 tmp;
1040
	int i, j;
1041
	u32 sq_config;
1042
	u32 sq_gpr_resource_mgmt_1 = 0;
1043
	u32 sq_gpr_resource_mgmt_2 = 0;
1044
	u32 sq_thread_resource_mgmt = 0;
1045
	u32 sq_stack_resource_mgmt_1 = 0;
1046
	u32 sq_stack_resource_mgmt_2 = 0;
1047
 
1048
	/* FIXME: implement */
1049
	switch (rdev->family) {
1050
	case CHIP_R600:
1051
		rdev->config.r600.max_pipes = 4;
1052
		rdev->config.r600.max_tile_pipes = 8;
1053
		rdev->config.r600.max_simds = 4;
1054
		rdev->config.r600.max_backends = 4;
1055
		rdev->config.r600.max_gprs = 256;
1056
		rdev->config.r600.max_threads = 192;
1057
		rdev->config.r600.max_stack_entries = 256;
1058
		rdev->config.r600.max_hw_contexts = 8;
1059
		rdev->config.r600.max_gs_threads = 16;
1060
		rdev->config.r600.sx_max_export_size = 128;
1061
		rdev->config.r600.sx_max_export_pos_size = 16;
1062
		rdev->config.r600.sx_max_export_smx_size = 128;
1063
		rdev->config.r600.sq_num_cf_insts = 2;
1064
		break;
1065
	case CHIP_RV630:
1066
	case CHIP_RV635:
1067
		rdev->config.r600.max_pipes = 2;
1068
		rdev->config.r600.max_tile_pipes = 2;
1069
		rdev->config.r600.max_simds = 3;
1070
		rdev->config.r600.max_backends = 1;
1071
		rdev->config.r600.max_gprs = 128;
1072
		rdev->config.r600.max_threads = 192;
1073
		rdev->config.r600.max_stack_entries = 128;
1074
		rdev->config.r600.max_hw_contexts = 8;
1075
		rdev->config.r600.max_gs_threads = 4;
1076
		rdev->config.r600.sx_max_export_size = 128;
1077
		rdev->config.r600.sx_max_export_pos_size = 16;
1078
		rdev->config.r600.sx_max_export_smx_size = 128;
1079
		rdev->config.r600.sq_num_cf_insts = 2;
1080
		break;
1081
	case CHIP_RV610:
1082
	case CHIP_RV620:
1083
	case CHIP_RS780:
1084
	case CHIP_RS880:
1085
		rdev->config.r600.max_pipes = 1;
1086
		rdev->config.r600.max_tile_pipes = 1;
1087
		rdev->config.r600.max_simds = 2;
1088
		rdev->config.r600.max_backends = 1;
1089
		rdev->config.r600.max_gprs = 128;
1090
		rdev->config.r600.max_threads = 192;
1091
		rdev->config.r600.max_stack_entries = 128;
1092
		rdev->config.r600.max_hw_contexts = 4;
1093
		rdev->config.r600.max_gs_threads = 4;
1094
		rdev->config.r600.sx_max_export_size = 128;
1095
		rdev->config.r600.sx_max_export_pos_size = 16;
1096
		rdev->config.r600.sx_max_export_smx_size = 128;
1097
		rdev->config.r600.sq_num_cf_insts = 1;
1098
		break;
1099
	case CHIP_RV670:
1100
		rdev->config.r600.max_pipes = 4;
1101
		rdev->config.r600.max_tile_pipes = 4;
1102
		rdev->config.r600.max_simds = 4;
1103
		rdev->config.r600.max_backends = 4;
1104
		rdev->config.r600.max_gprs = 192;
1105
		rdev->config.r600.max_threads = 192;
1106
		rdev->config.r600.max_stack_entries = 256;
1107
		rdev->config.r600.max_hw_contexts = 8;
1108
		rdev->config.r600.max_gs_threads = 16;
1109
		rdev->config.r600.sx_max_export_size = 128;
1110
		rdev->config.r600.sx_max_export_pos_size = 16;
1111
		rdev->config.r600.sx_max_export_smx_size = 128;
1112
		rdev->config.r600.sq_num_cf_insts = 2;
1113
		break;
1114
	default:
1115
		break;
1116
	}
1117
 
1118
	/* Initialize HDP */
1119
	for (i = 0, j = 0; i < 32; i++, j += 0x18) {
1120
		WREG32((0x2c14 + j), 0x00000000);
1121
		WREG32((0x2c18 + j), 0x00000000);
1122
		WREG32((0x2c1c + j), 0x00000000);
1123
		WREG32((0x2c20 + j), 0x00000000);
1124
		WREG32((0x2c24 + j), 0x00000000);
1125
	}
1126
 
1127
	WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
1128
 
1129
	/* Setup tiling */
1130
	tiling_config = 0;
1131
	ramcfg = RREG32(RAMCFG);
1132
	switch (rdev->config.r600.max_tile_pipes) {
1133
	case 1:
1134
		tiling_config |= PIPE_TILING(0);
1135
		break;
1136
	case 2:
1137
		tiling_config |= PIPE_TILING(1);
1138
		break;
1139
	case 4:
1140
		tiling_config |= PIPE_TILING(2);
1141
		break;
1142
	case 8:
1143
		tiling_config |= PIPE_TILING(3);
1144
		break;
1145
	default:
1146
		break;
1147
	}
1430 serge 1148
	rdev->config.r600.tiling_npipes = rdev->config.r600.max_tile_pipes;
1149
	rdev->config.r600.tiling_nbanks = 4 << ((ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT);
1221 serge 1150
	tiling_config |= BANK_TILING((ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT);
1963 serge 1151
	tiling_config |= GROUP_SIZE((ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT);
1152
	if ((ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT)
1153
		rdev->config.r600.tiling_group_size = 512;
1154
	else
1430 serge 1155
	rdev->config.r600.tiling_group_size = 256;
1221 serge 1156
	tmp = (ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT;
1157
	if (tmp > 3) {
1158
		tiling_config |= ROW_TILING(3);
1159
		tiling_config |= SAMPLE_SPLIT(3);
1160
	} else {
1161
		tiling_config |= ROW_TILING(tmp);
1162
		tiling_config |= SAMPLE_SPLIT(tmp);
1163
	}
1164
	tiling_config |= BANK_SWAPS(1);
1430 serge 1165
 
1166
	cc_rb_backend_disable = RREG32(CC_RB_BACKEND_DISABLE) & 0x00ff0000;
1167
	cc_rb_backend_disable |=
1168
		BACKEND_DISABLE((R6XX_MAX_BACKENDS_MASK << rdev->config.r600.max_backends) & R6XX_MAX_BACKENDS_MASK);
1169
 
1170
	cc_gc_shader_pipe_config = RREG32(CC_GC_SHADER_PIPE_CONFIG) & 0xffffff00;
1171
	cc_gc_shader_pipe_config |=
1172
		INACTIVE_QD_PIPES((R6XX_MAX_PIPES_MASK << rdev->config.r600.max_pipes) & R6XX_MAX_PIPES_MASK);
1173
	cc_gc_shader_pipe_config |=
1174
		INACTIVE_SIMDS((R6XX_MAX_SIMDS_MASK << rdev->config.r600.max_simds) & R6XX_MAX_SIMDS_MASK);
1175
 
1176
	backend_map = r600_get_tile_pipe_to_backend_map(rdev->config.r600.max_tile_pipes,
1177
							(R6XX_MAX_BACKENDS -
1178
							 r600_count_pipe_bits((cc_rb_backend_disable &
1179
									       R6XX_MAX_BACKENDS_MASK) >> 16)),
1180
							(cc_rb_backend_disable >> 16));
1963 serge 1181
	rdev->config.r600.tile_config = tiling_config;
1430 serge 1182
	tiling_config |= BACKEND_MAP(backend_map);
1221 serge 1183
	WREG32(GB_TILING_CONFIG, tiling_config);
1184
	WREG32(DCP_TILING_CONFIG, tiling_config & 0xffff);
1185
	WREG32(HDP_TILING_CONFIG, tiling_config & 0xffff);
1186
 
1187
	/* Setup pipes */
1430 serge 1188
	WREG32(CC_RB_BACKEND_DISABLE, cc_rb_backend_disable);
1189
	WREG32(CC_GC_SHADER_PIPE_CONFIG, cc_gc_shader_pipe_config);
1963 serge 1190
	WREG32(GC_USER_SHADER_PIPE_CONFIG, cc_gc_shader_pipe_config);
1221 serge 1191
 
1430 serge 1192
	tmp = R6XX_MAX_PIPES - r600_count_pipe_bits((cc_gc_shader_pipe_config & INACTIVE_QD_PIPES_MASK) >> 8);
1221 serge 1193
	WREG32(VGT_OUT_DEALLOC_CNTL, (tmp * 4) & DEALLOC_DIST_MASK);
1194
	WREG32(VGT_VERTEX_REUSE_BLOCK_CNTL, ((tmp * 4) - 2) & VTX_REUSE_DEPTH_MASK);
1195
 
1196
	/* Setup some CP states */
1197
	WREG32(CP_QUEUE_THRESHOLDS, (ROQ_IB1_START(0x16) | ROQ_IB2_START(0x2b)));
1198
	WREG32(CP_MEQ_THRESHOLDS, (MEQ_END(0x40) | ROQ_END(0x40)));
1199
 
1200
	WREG32(TA_CNTL_AUX, (DISABLE_CUBE_ANISO | SYNC_GRADIENT |
1201
			     SYNC_WALKER | SYNC_ALIGNER));
1202
	/* Setup various GPU states */
1203
	if (rdev->family == CHIP_RV670)
1204
		WREG32(ARB_GDEC_RD_CNTL, 0x00000021);
1205
 
1206
	tmp = RREG32(SX_DEBUG_1);
1207
	tmp |= SMX_EVENT_RELEASE;
1208
	if ((rdev->family > CHIP_R600))
1209
		tmp |= ENABLE_NEW_SMX_ADDRESS;
1210
	WREG32(SX_DEBUG_1, tmp);
1211
 
1212
	if (((rdev->family) == CHIP_R600) ||
1213
	    ((rdev->family) == CHIP_RV630) ||
1214
	    ((rdev->family) == CHIP_RV610) ||
1215
	    ((rdev->family) == CHIP_RV620) ||
1268 serge 1216
	    ((rdev->family) == CHIP_RS780) ||
1217
	    ((rdev->family) == CHIP_RS880)) {
1221 serge 1218
		WREG32(DB_DEBUG, PREZ_MUST_WAIT_FOR_POSTZ_DONE);
1219
	} else {
1220
		WREG32(DB_DEBUG, 0);
1221
	}
1222
	WREG32(DB_WATERMARKS, (DEPTH_FREE(4) | DEPTH_CACHELINE_FREE(16) |
1223
			       DEPTH_FLUSH(16) | DEPTH_PENDING_FREE(4)));
1224
 
1225
	WREG32(PA_SC_MULTI_CHIP_CNTL, 0);
1226
	WREG32(VGT_NUM_INSTANCES, 0);
1227
 
1228
	WREG32(SPI_CONFIG_CNTL, GPR_WRITE_PRIORITY(0));
1229
	WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(0));
1230
 
1231
	tmp = RREG32(SQ_MS_FIFO_SIZES);
1232
	if (((rdev->family) == CHIP_RV610) ||
1233
	    ((rdev->family) == CHIP_RV620) ||
1268 serge 1234
	    ((rdev->family) == CHIP_RS780) ||
1235
	    ((rdev->family) == CHIP_RS880)) {
1221 serge 1236
		tmp = (CACHE_FIFO_SIZE(0xa) |
1237
		       FETCH_FIFO_HIWATER(0xa) |
1238
		       DONE_FIFO_HIWATER(0xe0) |
1239
		       ALU_UPDATE_FIFO_HIWATER(0x8));
1240
	} else if (((rdev->family) == CHIP_R600) ||
1241
		   ((rdev->family) == CHIP_RV630)) {
1242
		tmp &= ~DONE_FIFO_HIWATER(0xff);
1243
		tmp |= DONE_FIFO_HIWATER(0x4);
1244
	}
1245
	WREG32(SQ_MS_FIFO_SIZES, tmp);
1246
 
1247
	/* SQ_CONFIG, SQ_GPR_RESOURCE_MGMT, SQ_THREAD_RESOURCE_MGMT, SQ_STACK_RESOURCE_MGMT
1248
	 * should be adjusted as needed by the 2D/3D drivers.  This just sets default values
1249
	 */
1250
	sq_config = RREG32(SQ_CONFIG);
1251
	sq_config &= ~(PS_PRIO(3) |
1252
		       VS_PRIO(3) |
1253
		       GS_PRIO(3) |
1254
		       ES_PRIO(3));
1255
	sq_config |= (DX9_CONSTS |
1256
		      VC_ENABLE |
1257
		      PS_PRIO(0) |
1258
		      VS_PRIO(1) |
1259
		      GS_PRIO(2) |
1260
		      ES_PRIO(3));
1261
 
1262
	if ((rdev->family) == CHIP_R600) {
1263
		sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(124) |
1264
					  NUM_VS_GPRS(124) |
1265
					  NUM_CLAUSE_TEMP_GPRS(4));
1266
		sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(0) |
1267
					  NUM_ES_GPRS(0));
1268
		sq_thread_resource_mgmt = (NUM_PS_THREADS(136) |
1269
					   NUM_VS_THREADS(48) |
1270
					   NUM_GS_THREADS(4) |
1271
					   NUM_ES_THREADS(4));
1272
		sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(128) |
1273
					    NUM_VS_STACK_ENTRIES(128));
1274
		sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(0) |
1275
					    NUM_ES_STACK_ENTRIES(0));
1276
	} else if (((rdev->family) == CHIP_RV610) ||
1277
		   ((rdev->family) == CHIP_RV620) ||
1268 serge 1278
		   ((rdev->family) == CHIP_RS780) ||
1279
		   ((rdev->family) == CHIP_RS880)) {
1221 serge 1280
		/* no vertex cache */
1281
		sq_config &= ~VC_ENABLE;
1282
 
1283
		sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(44) |
1284
					  NUM_VS_GPRS(44) |
1285
					  NUM_CLAUSE_TEMP_GPRS(2));
1286
		sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(17) |
1287
					  NUM_ES_GPRS(17));
1288
		sq_thread_resource_mgmt = (NUM_PS_THREADS(79) |
1289
					   NUM_VS_THREADS(78) |
1290
					   NUM_GS_THREADS(4) |
1291
					   NUM_ES_THREADS(31));
1292
		sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(40) |
1293
					    NUM_VS_STACK_ENTRIES(40));
1294
		sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(32) |
1295
					    NUM_ES_STACK_ENTRIES(16));
1296
	} else if (((rdev->family) == CHIP_RV630) ||
1297
		   ((rdev->family) == CHIP_RV635)) {
1298
		sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(44) |
1299
					  NUM_VS_GPRS(44) |
1300
					  NUM_CLAUSE_TEMP_GPRS(2));
1301
		sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(18) |
1302
					  NUM_ES_GPRS(18));
1303
		sq_thread_resource_mgmt = (NUM_PS_THREADS(79) |
1304
					   NUM_VS_THREADS(78) |
1305
					   NUM_GS_THREADS(4) |
1306
					   NUM_ES_THREADS(31));
1307
		sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(40) |
1308
					    NUM_VS_STACK_ENTRIES(40));
1309
		sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(32) |
1310
					    NUM_ES_STACK_ENTRIES(16));
1311
	} else if ((rdev->family) == CHIP_RV670) {
1312
		sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(44) |
1313
					  NUM_VS_GPRS(44) |
1314
					  NUM_CLAUSE_TEMP_GPRS(2));
1315
		sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(17) |
1316
					  NUM_ES_GPRS(17));
1317
		sq_thread_resource_mgmt = (NUM_PS_THREADS(79) |
1318
					   NUM_VS_THREADS(78) |
1319
					   NUM_GS_THREADS(4) |
1320
					   NUM_ES_THREADS(31));
1321
		sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(64) |
1322
					    NUM_VS_STACK_ENTRIES(64));
1323
		sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(64) |
1324
					    NUM_ES_STACK_ENTRIES(64));
1325
	}
1326
 
1327
	WREG32(SQ_CONFIG, sq_config);
1328
	WREG32(SQ_GPR_RESOURCE_MGMT_1,  sq_gpr_resource_mgmt_1);
1329
	WREG32(SQ_GPR_RESOURCE_MGMT_2,  sq_gpr_resource_mgmt_2);
1330
	WREG32(SQ_THREAD_RESOURCE_MGMT, sq_thread_resource_mgmt);
1331
	WREG32(SQ_STACK_RESOURCE_MGMT_1, sq_stack_resource_mgmt_1);
1332
	WREG32(SQ_STACK_RESOURCE_MGMT_2, sq_stack_resource_mgmt_2);
1333
 
1334
	if (((rdev->family) == CHIP_RV610) ||
1335
	    ((rdev->family) == CHIP_RV620) ||
1268 serge 1336
	    ((rdev->family) == CHIP_RS780) ||
1337
	    ((rdev->family) == CHIP_RS880)) {
1221 serge 1338
		WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(TC_ONLY));
1339
	} else {
1340
		WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(VC_AND_TC));
1341
	}
1342
 
1343
	/* More default values. 2D/3D driver should adjust as needed */
1344
	WREG32(PA_SC_AA_SAMPLE_LOCS_2S, (S0_X(0xc) | S0_Y(0x4) |
1345
					 S1_X(0x4) | S1_Y(0xc)));
1346
	WREG32(PA_SC_AA_SAMPLE_LOCS_4S, (S0_X(0xe) | S0_Y(0xe) |
1347
					 S1_X(0x2) | S1_Y(0x2) |
1348
					 S2_X(0xa) | S2_Y(0x6) |
1349
					 S3_X(0x6) | S3_Y(0xa)));
1350
	WREG32(PA_SC_AA_SAMPLE_LOCS_8S_WD0, (S0_X(0xe) | S0_Y(0xb) |
1351
					     S1_X(0x4) | S1_Y(0xc) |
1352
					     S2_X(0x1) | S2_Y(0x6) |
1353
					     S3_X(0xa) | S3_Y(0xe)));
1354
	WREG32(PA_SC_AA_SAMPLE_LOCS_8S_WD1, (S4_X(0x6) | S4_Y(0x1) |
1355
					     S5_X(0x0) | S5_Y(0x0) |
1356
					     S6_X(0xb) | S6_Y(0x4) |
1357
					     S7_X(0x7) | S7_Y(0x8)));
1358
 
1359
	WREG32(VGT_STRMOUT_EN, 0);
1360
	tmp = rdev->config.r600.max_pipes * 16;
1361
	switch (rdev->family) {
1362
	case CHIP_RV610:
1268 serge 1363
	case CHIP_RV620:
1221 serge 1364
	case CHIP_RS780:
1268 serge 1365
	case CHIP_RS880:
1221 serge 1366
		tmp += 32;
1367
		break;
1368
	case CHIP_RV670:
1369
		tmp += 128;
1370
		break;
1371
	default:
1372
		break;
1373
	}
1374
	if (tmp > 256) {
1375
		tmp = 256;
1376
	}
1377
	WREG32(VGT_ES_PER_GS, 128);
1378
	WREG32(VGT_GS_PER_ES, tmp);
1379
	WREG32(VGT_GS_PER_VS, 2);
1380
	WREG32(VGT_GS_VERTEX_REUSE, 16);
1381
 
1382
	/* more default values. 2D/3D driver should adjust as needed */
1383
	WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
1384
	WREG32(VGT_STRMOUT_EN, 0);
1385
	WREG32(SX_MISC, 0);
1386
	WREG32(PA_SC_MODE_CNTL, 0);
1387
	WREG32(PA_SC_AA_CONFIG, 0);
1388
	WREG32(PA_SC_LINE_STIPPLE, 0);
1389
	WREG32(SPI_INPUT_Z, 0);
1390
	WREG32(SPI_PS_IN_CONTROL_0, NUM_INTERP(2));
1391
	WREG32(CB_COLOR7_FRAG, 0);
1392
 
1393
	/* Clear render buffer base addresses */
1394
	WREG32(CB_COLOR0_BASE, 0);
1395
	WREG32(CB_COLOR1_BASE, 0);
1396
	WREG32(CB_COLOR2_BASE, 0);
1397
	WREG32(CB_COLOR3_BASE, 0);
1398
	WREG32(CB_COLOR4_BASE, 0);
1399
	WREG32(CB_COLOR5_BASE, 0);
1400
	WREG32(CB_COLOR6_BASE, 0);
1401
	WREG32(CB_COLOR7_BASE, 0);
1402
	WREG32(CB_COLOR7_FRAG, 0);
1403
 
1404
	switch (rdev->family) {
1405
	case CHIP_RV610:
1268 serge 1406
	case CHIP_RV620:
1221 serge 1407
	case CHIP_RS780:
1268 serge 1408
	case CHIP_RS880:
1221 serge 1409
		tmp = TC_L2_SIZE(8);
1410
		break;
1411
	case CHIP_RV630:
1412
	case CHIP_RV635:
1413
		tmp = TC_L2_SIZE(4);
1414
		break;
1415
	case CHIP_R600:
1416
		tmp = TC_L2_SIZE(0) | L2_DISABLE_LATE_HIT;
1417
		break;
1418
	default:
1419
		tmp = TC_L2_SIZE(0);
1420
		break;
1421
	}
1422
	WREG32(TC_CNTL, tmp);
1423
 
1424
	tmp = RREG32(HDP_HOST_PATH_CNTL);
1425
	WREG32(HDP_HOST_PATH_CNTL, tmp);
1426
 
1427
	tmp = RREG32(ARB_POP);
1428
	tmp |= ENABLE_TC128;
1429
	WREG32(ARB_POP, tmp);
1430
 
1431
	WREG32(PA_SC_MULTI_CHIP_CNTL, 0);
1432
	WREG32(PA_CL_ENHANCE, (CLIP_VTX_REORDER_ENA |
1433
			       NUM_CLIP_SEQ(3)));
1434
	WREG32(PA_SC_ENHANCE, FORCE_EOV_MAX_CLK_CNT(4095));
1435
}
1436
 
1437
 
1128 serge 1438
/*
1439
 * Indirect registers accessor
1440
 */
1221 serge 1441
u32 r600_pciep_rreg(struct radeon_device *rdev, u32 reg)
1128 serge 1442
{
1221 serge 1443
	u32 r;
1128 serge 1444
 
1221 serge 1445
	WREG32(PCIE_PORT_INDEX, ((reg) & 0xff));
1446
	(void)RREG32(PCIE_PORT_INDEX);
1447
	r = RREG32(PCIE_PORT_DATA);
1128 serge 1448
	return r;
1449
}
1450
 
1221 serge 1451
void r600_pciep_wreg(struct radeon_device *rdev, u32 reg, u32 v)
1128 serge 1452
{
1221 serge 1453
	WREG32(PCIE_PORT_INDEX, ((reg) & 0xff));
1454
	(void)RREG32(PCIE_PORT_INDEX);
1455
	WREG32(PCIE_PORT_DATA, (v));
1456
	(void)RREG32(PCIE_PORT_DATA);
1128 serge 1457
}
1221 serge 1458
 
1459
/*
1460
 * CP & Ring
1461
 */
1462
void r600_cp_stop(struct radeon_device *rdev)
1463
{
1963 serge 1464
//   radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
1221 serge 1465
	WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1));
1963 serge 1466
	WREG32(SCRATCH_UMSK, 0);
1221 serge 1467
}
1413 serge 1468
 
1469
int r600_init_microcode(struct radeon_device *rdev)
1470
{
1471
	struct platform_device *pdev;
1472
	const char *chip_name;
1473
	const char *rlc_chip_name;
1474
	size_t pfp_req_size, me_req_size, rlc_req_size;
1475
	char fw_name[30];
1476
	int err;
1477
 
1478
	DRM_DEBUG("\n");
1479
 
1480
	pdev = platform_device_register_simple("radeon_cp", 0, NULL, 0);
1481
	err = IS_ERR(pdev);
1482
	if (err) {
1483
		printk(KERN_ERR "radeon_cp: Failed to register firmware\n");
1484
		return -EINVAL;
1485
	}
1486
 
1487
	switch (rdev->family) {
1488
	case CHIP_R600:
1489
		chip_name = "R600";
1490
		rlc_chip_name = "R600";
1491
		break;
1492
	case CHIP_RV610:
1493
		chip_name = "RV610";
1494
		rlc_chip_name = "R600";
1495
		break;
1496
	case CHIP_RV630:
1497
		chip_name = "RV630";
1498
		rlc_chip_name = "R600";
1499
		break;
1500
	case CHIP_RV620:
1501
		chip_name = "RV620";
1502
		rlc_chip_name = "R600";
1503
		break;
1504
	case CHIP_RV635:
1505
		chip_name = "RV635";
1506
		rlc_chip_name = "R600";
1507
		break;
1508
	case CHIP_RV670:
1509
		chip_name = "RV670";
1510
		rlc_chip_name = "R600";
1511
		break;
1512
	case CHIP_RS780:
1513
	case CHIP_RS880:
1514
		chip_name = "RS780";
1515
		rlc_chip_name = "R600";
1516
		break;
1517
	case CHIP_RV770:
1518
		chip_name = "RV770";
1519
		rlc_chip_name = "R700";
1520
		break;
1521
	case CHIP_RV730:
1522
	case CHIP_RV740:
1523
		chip_name = "RV730";
1524
		rlc_chip_name = "R700";
1525
		break;
1526
	case CHIP_RV710:
1527
		chip_name = "RV710";
1528
		rlc_chip_name = "R700";
1529
		break;
1963 serge 1530
	case CHIP_CEDAR:
1531
		chip_name = "CEDAR";
1532
		rlc_chip_name = "CEDAR";
1533
		break;
1534
	case CHIP_REDWOOD:
1535
		chip_name = "REDWOOD";
1536
		rlc_chip_name = "REDWOOD";
1537
		break;
1538
	case CHIP_JUNIPER:
1539
		chip_name = "JUNIPER";
1540
		rlc_chip_name = "JUNIPER";
1541
		break;
1542
	case CHIP_CYPRESS:
1543
	case CHIP_HEMLOCK:
1544
		chip_name = "CYPRESS";
1545
		rlc_chip_name = "CYPRESS";
1546
		break;
1547
	case CHIP_PALM:
1548
		chip_name = "PALM";
1549
		rlc_chip_name = "SUMO";
1550
		break;
1986 serge 1551
	case CHIP_SUMO:
1552
		chip_name = "SUMO";
1553
		rlc_chip_name = "SUMO";
1554
		break;
1555
	case CHIP_SUMO2:
1556
		chip_name = "SUMO2";
1557
		rlc_chip_name = "SUMO";
1558
		break;
1413 serge 1559
	default: BUG();
1560
	}
1561
 
1963 serge 1562
	if (rdev->family >= CHIP_CEDAR) {
1563
		pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
1564
		me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
1565
		rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
1566
	} else if (rdev->family >= CHIP_RV770) {
1413 serge 1567
		pfp_req_size = R700_PFP_UCODE_SIZE * 4;
1568
		me_req_size = R700_PM4_UCODE_SIZE * 4;
1569
		rlc_req_size = R700_RLC_UCODE_SIZE * 4;
1570
	} else {
1571
		pfp_req_size = PFP_UCODE_SIZE * 4;
1572
		me_req_size = PM4_UCODE_SIZE * 12;
1573
		rlc_req_size = RLC_UCODE_SIZE * 4;
1574
	}
1575
 
1576
	DRM_INFO("Loading %s Microcode\n", chip_name);
1577
 
1578
	snprintf(fw_name, sizeof(fw_name), "radeon/%s_pfp.bin", chip_name);
1579
	err = request_firmware(&rdev->pfp_fw, fw_name, &pdev->dev);
1580
	if (err)
1581
		goto out;
1582
	if (rdev->pfp_fw->size != pfp_req_size) {
1583
		printk(KERN_ERR
1584
		       "r600_cp: Bogus length %zu in firmware \"%s\"\n",
1585
		       rdev->pfp_fw->size, fw_name);
1586
		err = -EINVAL;
1587
		goto out;
1588
	}
1589
 
1590
	snprintf(fw_name, sizeof(fw_name), "radeon/%s_me.bin", chip_name);
1591
	err = request_firmware(&rdev->me_fw, fw_name, &pdev->dev);
1592
	if (err)
1593
		goto out;
1594
	if (rdev->me_fw->size != me_req_size) {
1595
		printk(KERN_ERR
1596
		       "r600_cp: Bogus length %zu in firmware \"%s\"\n",
1597
		       rdev->me_fw->size, fw_name);
1598
		err = -EINVAL;
1599
	}
1600
 
1601
	snprintf(fw_name, sizeof(fw_name), "radeon/%s_rlc.bin", rlc_chip_name);
1602
	err = request_firmware(&rdev->rlc_fw, fw_name, &pdev->dev);
1603
	if (err)
1604
		goto out;
1605
	if (rdev->rlc_fw->size != rlc_req_size) {
1606
		printk(KERN_ERR
1607
		       "r600_rlc: Bogus length %zu in firmware \"%s\"\n",
1608
		       rdev->rlc_fw->size, fw_name);
1609
		err = -EINVAL;
1610
	}
1611
 
1612
out:
1613
	platform_device_unregister(pdev);
1614
 
1615
	if (err) {
1616
		if (err != -EINVAL)
1617
			printk(KERN_ERR
1618
			       "r600_cp: Failed to load firmware \"%s\"\n",
1619
			       fw_name);
1620
		release_firmware(rdev->pfp_fw);
1621
		rdev->pfp_fw = NULL;
1622
		release_firmware(rdev->me_fw);
1623
		rdev->me_fw = NULL;
1624
		release_firmware(rdev->rlc_fw);
1625
		rdev->rlc_fw = NULL;
1626
	}
1627
	return err;
1628
}
1629
 
1630
static int r600_cp_load_microcode(struct radeon_device *rdev)
1631
{
1632
	const __be32 *fw_data;
1633
	int i;
1634
 
1635
	if (!rdev->me_fw || !rdev->pfp_fw)
1636
		return -EINVAL;
1637
 
1638
	r600_cp_stop(rdev);
1639
 
1963 serge 1640
	WREG32(CP_RB_CNTL,
1641
#ifdef __BIG_ENDIAN
1642
	       BUF_SWAP_32BIT |
1643
#endif
1644
	       RB_NO_UPDATE | RB_BLKSZ(15) | RB_BUFSZ(3));
1413 serge 1645
 
1646
	/* Reset cp */
1647
	WREG32(GRBM_SOFT_RESET, SOFT_RESET_CP);
1648
	RREG32(GRBM_SOFT_RESET);
1649
	mdelay(15);
1650
	WREG32(GRBM_SOFT_RESET, 0);
1651
 
1652
	WREG32(CP_ME_RAM_WADDR, 0);
1653
 
1654
	fw_data = (const __be32 *)rdev->me_fw->data;
1655
	WREG32(CP_ME_RAM_WADDR, 0);
1656
	for (i = 0; i < PM4_UCODE_SIZE * 3; i++)
1657
		WREG32(CP_ME_RAM_DATA,
1658
		       be32_to_cpup(fw_data++));
1659
 
1660
	fw_data = (const __be32 *)rdev->pfp_fw->data;
1661
	WREG32(CP_PFP_UCODE_ADDR, 0);
1662
	for (i = 0; i < PFP_UCODE_SIZE; i++)
1663
		WREG32(CP_PFP_UCODE_DATA,
1664
		       be32_to_cpup(fw_data++));
1665
 
1666
	WREG32(CP_PFP_UCODE_ADDR, 0);
1667
	WREG32(CP_ME_RAM_WADDR, 0);
1668
	WREG32(CP_ME_RAM_RADDR, 0);
1669
	return 0;
1670
}
1671
 
1221 serge 1672
int r600_cp_start(struct radeon_device *rdev)
1673
{
1674
	int r;
1675
	uint32_t cp_me;
1676
 
1677
	r = radeon_ring_lock(rdev, 7);
1678
	if (r) {
1679
		DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
1680
		return r;
1681
	}
1682
	radeon_ring_write(rdev, PACKET3(PACKET3_ME_INITIALIZE, 5));
1683
	radeon_ring_write(rdev, 0x1);
1963 serge 1684
	if (rdev->family >= CHIP_RV770) {
1685
		radeon_ring_write(rdev, 0x0);
1686
		radeon_ring_write(rdev, rdev->config.rv770.max_hw_contexts - 1);
1687
	} else {
1221 serge 1688
		radeon_ring_write(rdev, 0x3);
1689
		radeon_ring_write(rdev, rdev->config.r600.max_hw_contexts - 1);
1690
	}
1691
	radeon_ring_write(rdev, PACKET3_ME_INITIALIZE_DEVICE_ID(1));
1692
	radeon_ring_write(rdev, 0);
1693
	radeon_ring_write(rdev, 0);
1694
	radeon_ring_unlock_commit(rdev);
1695
 
1696
	cp_me = 0xff;
1697
	WREG32(R_0086D8_CP_ME_CNTL, cp_me);
1698
	return 0;
1699
}
1413 serge 1700
 
1701
int r600_cp_resume(struct radeon_device *rdev)
1702
{
1703
	u32 tmp;
1704
	u32 rb_bufsz;
1705
	int r;
1706
 
1707
	/* Reset cp */
1708
	WREG32(GRBM_SOFT_RESET, SOFT_RESET_CP);
1709
	RREG32(GRBM_SOFT_RESET);
1710
	mdelay(15);
1711
	WREG32(GRBM_SOFT_RESET, 0);
1712
 
1713
	/* Set ring buffer size */
1714
	rb_bufsz = drm_order(rdev->cp.ring_size / 8);
1963 serge 1715
	tmp = (drm_order(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz;
1413 serge 1716
#ifdef __BIG_ENDIAN
1717
	tmp |= BUF_SWAP_32BIT;
1718
#endif
1719
	WREG32(CP_RB_CNTL, tmp);
1720
	WREG32(CP_SEM_WAIT_TIMER, 0x4);
1721
 
1722
	/* Set the write pointer delay */
1723
	WREG32(CP_RB_WPTR_DELAY, 0);
1724
 
1725
	/* Initialize the ring buffer's read and write pointers */
1726
	WREG32(CP_RB_CNTL, tmp | RB_RPTR_WR_ENA);
1727
	WREG32(CP_RB_RPTR_WR, 0);
1728
	WREG32(CP_RB_WPTR, 0);
1963 serge 1729
 
1730
	/* set the wb address whether it's enabled or not */
1731
	WREG32(CP_RB_RPTR_ADDR,
1732
#ifdef __BIG_ENDIAN
1733
	       RB_RPTR_SWAP(2) |
1734
#endif
1735
	       ((rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFFFFFFFC));
1736
	WREG32(CP_RB_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFF);
1737
	WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF);
1738
 
1739
	if (rdev->wb.enabled)
1740
		WREG32(SCRATCH_UMSK, 0xff);
1741
	else {
1742
		tmp |= RB_NO_UPDATE;
1743
		WREG32(SCRATCH_UMSK, 0);
1744
	}
1745
 
1413 serge 1746
	mdelay(1);
1747
	WREG32(CP_RB_CNTL, tmp);
1748
 
1749
	WREG32(CP_RB_BASE, rdev->cp.gpu_addr >> 8);
1750
	WREG32(CP_DEBUG, (1 << 27) | (1 << 28));
1751
 
1752
	rdev->cp.rptr = RREG32(CP_RB_RPTR);
1753
	rdev->cp.wptr = RREG32(CP_RB_WPTR);
1754
 
1755
	r600_cp_start(rdev);
1756
	rdev->cp.ready = true;
1757
	r = radeon_ring_test(rdev);
1758
	if (r) {
1759
		rdev->cp.ready = false;
1760
		return r;
1761
	}
1762
	return 0;
1763
}
1764
 
1221 serge 1765
void r600_cp_commit(struct radeon_device *rdev)
1766
{
1767
	WREG32(CP_RB_WPTR, rdev->cp.wptr);
1768
	(void)RREG32(CP_RB_WPTR);
1769
}
1770
 
1233 serge 1771
void r600_ring_init(struct radeon_device *rdev, unsigned ring_size)
1772
{
1773
	u32 rb_bufsz;
1221 serge 1774
 
1233 serge 1775
	/* Align ring size */
1776
	rb_bufsz = drm_order(ring_size / 8);
1777
	ring_size = (1 << (rb_bufsz + 1)) * 4;
1778
	rdev->cp.ring_size = ring_size;
1779
	rdev->cp.align_mask = 16 - 1;
1780
}
1781
 
1963 serge 1782
void r600_cp_fini(struct radeon_device *rdev)
1783
{
1784
	r600_cp_stop(rdev);
1785
	radeon_ring_fini(rdev);
1786
}
1233 serge 1787
 
1963 serge 1788
 
1233 serge 1789
/*
1790
 * GPU scratch registers helpers function.
1791
 */
1792
void r600_scratch_init(struct radeon_device *rdev)
1793
{
1794
	int i;
1795
 
1796
	rdev->scratch.num_reg = 7;
1963 serge 1797
	rdev->scratch.reg_base = SCRATCH_REG0;
1233 serge 1798
	for (i = 0; i < rdev->scratch.num_reg; i++) {
1799
		rdev->scratch.free[i] = true;
1963 serge 1800
		rdev->scratch.reg[i] = rdev->scratch.reg_base + (i * 4);
1233 serge 1801
	}
1802
}
1413 serge 1803
 
1804
int r600_ring_test(struct radeon_device *rdev)
1805
{
1806
	uint32_t scratch;
1807
	uint32_t tmp = 0;
1808
	unsigned i;
1809
	int r;
1810
 
1811
	r = radeon_scratch_get(rdev, &scratch);
1812
	if (r) {
1813
		DRM_ERROR("radeon: cp failed to get scratch reg (%d).\n", r);
1814
		return r;
1815
	}
1816
	WREG32(scratch, 0xCAFEDEAD);
1817
	r = radeon_ring_lock(rdev, 3);
1818
	if (r) {
1819
		DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
1820
		radeon_scratch_free(rdev, scratch);
1821
		return r;
1822
	}
1823
	radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONFIG_REG, 1));
1824
	radeon_ring_write(rdev, ((scratch - PACKET3_SET_CONFIG_REG_OFFSET) >> 2));
1825
	radeon_ring_write(rdev, 0xDEADBEEF);
1826
	radeon_ring_unlock_commit(rdev);
1827
	for (i = 0; i < rdev->usec_timeout; i++) {
1828
		tmp = RREG32(scratch);
1829
		if (tmp == 0xDEADBEEF)
1830
			break;
1831
		DRM_UDELAY(1);
1832
	}
1833
	if (i < rdev->usec_timeout) {
1834
		DRM_INFO("ring test succeeded in %d usecs\n", i);
1835
	} else {
1836
		DRM_ERROR("radeon: ring test failed (scratch(0x%04X)=0x%08X)\n",
1837
			  scratch, tmp);
1838
		r = -EINVAL;
1839
	}
1840
	radeon_scratch_free(rdev, scratch);
1841
	return r;
1842
}
1963 serge 1843
 
1413 serge 1844
void r600_fence_ring_emit(struct radeon_device *rdev,
1845
			  struct radeon_fence *fence)
1846
{
1963 serge 1847
	if (rdev->wb.use_event) {
1848
		u64 addr = rdev->wb.gpu_addr + R600_WB_EVENT_OFFSET +
1849
			(u64)(rdev->fence_drv.scratch_reg - rdev->scratch.reg_base);
1850
		/* EVENT_WRITE_EOP - flush caches, send int */
1851
		radeon_ring_write(rdev, PACKET3(PACKET3_EVENT_WRITE_EOP, 4));
1852
		radeon_ring_write(rdev, EVENT_TYPE(CACHE_FLUSH_AND_INV_EVENT_TS) | EVENT_INDEX(5));
1853
		radeon_ring_write(rdev, addr & 0xffffffff);
1854
		radeon_ring_write(rdev, (upper_32_bits(addr) & 0xff) | DATA_SEL(1) | INT_SEL(2));
1855
		radeon_ring_write(rdev, fence->seq);
1856
		radeon_ring_write(rdev, 0);
1857
	} else {
1430 serge 1858
	radeon_ring_write(rdev, PACKET3(PACKET3_EVENT_WRITE, 0));
1963 serge 1859
		radeon_ring_write(rdev, EVENT_TYPE(CACHE_FLUSH_AND_INV_EVENT) | EVENT_INDEX(0));
1430 serge 1860
	/* wait for 3D idle clean */
1861
	radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONFIG_REG, 1));
1862
	radeon_ring_write(rdev, (WAIT_UNTIL - PACKET3_SET_CONFIG_REG_OFFSET) >> 2);
1863
	radeon_ring_write(rdev, WAIT_3D_IDLE_bit | WAIT_3D_IDLECLEAN_bit);
1413 serge 1864
	/* Emit fence sequence & fire IRQ */
1865
	radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONFIG_REG, 1));
1866
	radeon_ring_write(rdev, ((rdev->fence_drv.scratch_reg - PACKET3_SET_CONFIG_REG_OFFSET) >> 2));
1867
	radeon_ring_write(rdev, fence->seq);
1868
	/* CP_INTERRUPT packet 3 no longer exists, use packet 0 */
1869
	radeon_ring_write(rdev, PACKET0(CP_INT_STATUS, 0));
1870
	radeon_ring_write(rdev, RB_INT_STAT);
1963 serge 1871
	}
1413 serge 1872
}
1963 serge 1873
 
1874
 
1221 serge 1875
int r600_set_surface_reg(struct radeon_device *rdev, int reg,
1876
			 uint32_t tiling_flags, uint32_t pitch,
1877
			 uint32_t offset, uint32_t obj_size)
1878
{
1879
	/* FIXME: implement */
1880
	return 0;
1881
}
1882
 
1883
void r600_clear_surface_reg(struct radeon_device *rdev, int reg)
1884
{
1885
	/* FIXME: implement */
1886
}
1887
 
1888
int r600_startup(struct radeon_device *rdev)
1889
{
1890
	int r;
1891
 
1963 serge 1892
	/* enable pcie gen2 link */
1893
	r600_pcie_gen2_enable(rdev);
1894
 
1413 serge 1895
	if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
1896
		r = r600_init_microcode(rdev);
1897
		if (r) {
1898
			DRM_ERROR("Failed to load firmware!\n");
1899
			return r;
1900
		}
1901
	}
1902
 
1221 serge 1903
	r600_mc_program(rdev);
1904
	if (rdev->flags & RADEON_IS_AGP) {
1905
		r600_agp_enable(rdev);
1906
	} else {
1907
		r = r600_pcie_gart_enable(rdev);
1908
		if (r)
1909
			return r;
1910
	}
1911
	r600_gpu_init(rdev);
1912
 
1413 serge 1913
	r = radeon_ring_init(rdev, rdev->cp.ring_size);
1914
	if (r)
1915
		return r;
1916
	r = r600_cp_load_microcode(rdev);
1917
	if (r)
1918
		return r;
1919
	r = r600_cp_resume(rdev);
1920
	if (r)
1921
		return r;
1963 serge 1922
 
1221 serge 1923
	return 0;
1924
}
1925
 
1926
void r600_vga_set_state(struct radeon_device *rdev, bool state)
1927
{
1928
	uint32_t temp;
1929
 
1930
	temp = RREG32(CONFIG_CNTL);
1931
	if (state == false) {
1932
		temp &= ~(1<<0);
1933
		temp |= (1<<1);
1934
	} else {
1935
		temp &= ~(1<<1);
1936
	}
1937
	WREG32(CONFIG_CNTL, temp);
1938
}
1939
 
1940
 
1941
 
1942
 
1943
 
1944
/* Plan is to move initialization in that function and use
1945
 * helper function so that radeon_device_init pretty much
1946
 * do nothing more than calling asic specific function. This
1947
 * should also allow to remove a bunch of callback function
1948
 * like vram_info.
1949
 */
1950
int r600_init(struct radeon_device *rdev)
1951
{
1952
	int r;
1953
 
1954
	if (r600_debugfs_mc_info_init(rdev)) {
1955
		DRM_ERROR("Failed to register debugfs file for mc !\n");
1956
	}
1957
	/* This don't do much */
1963 serge 1958
//   r = radeon_gem_init(rdev);
1959
//   if (r)
1960
//       return r;
1221 serge 1961
	/* Read BIOS */
1962
	if (!radeon_get_bios(rdev)) {
1963
		if (ASIC_IS_AVIVO(rdev))
1964
			return -EINVAL;
1965
	}
1966
	/* Must be an ATOMBIOS */
1967
	if (!rdev->is_atom_bios) {
1968
		dev_err(rdev->dev, "Expecting atombios for R600 GPU\n");
1969
		return -EINVAL;
1970
	}
1971
	r = radeon_atombios_init(rdev);
1972
	if (r)
1973
		return r;
1974
	/* Post card if necessary */
1963 serge 1975
	if (!radeon_card_posted(rdev)) {
1321 serge 1976
		if (!rdev->bios) {
1977
			dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
1978
			return -EINVAL;
1979
		}
1221 serge 1980
		DRM_INFO("GPU not posted. posting now...\n");
1981
		atom_asic_init(rdev->mode_info.atom_context);
1982
	}
1983
	/* Initialize scratch registers */
1984
	r600_scratch_init(rdev);
1985
	/* Initialize surface registers */
1986
	radeon_surface_init(rdev);
1268 serge 1987
	/* Initialize clocks */
1221 serge 1988
	radeon_get_clock_info(rdev->ddev);
1989
	/* Fence driver */
1963 serge 1990
//	r = radeon_fence_driver_init(rdev);
1991
//	if (r)
1992
//		return r;
1403 serge 1993
	if (rdev->flags & RADEON_IS_AGP) {
1994
		r = radeon_agp_init(rdev);
1995
		if (r)
1996
			radeon_agp_disable(rdev);
1997
	}
1221 serge 1998
	r = r600_mc_init(rdev);
1999
	if (r)
2000
		return r;
2001
	/* Memory manager */
1321 serge 2002
	r = radeon_bo_init(rdev);
1221 serge 2003
	if (r)
2004
		return r;
1321 serge 2005
 
2006
//	r = radeon_irq_kms_init(rdev);
2007
//	if (r)
2008
//		return r;
2009
 
1413 serge 2010
	rdev->cp.ring_obj = NULL;
2011
	r600_ring_init(rdev, 1024 * 1024);
1221 serge 2012
 
1321 serge 2013
//	rdev->ih.ring_obj = NULL;
2014
//	r600_ih_ring_init(rdev, 64 * 1024);
1221 serge 2015
 
2016
	r = r600_pcie_gart_init(rdev);
2017
	if (r)
2018
		return r;
2019
 
1321 serge 2020
	rdev->accel_working = true;
1221 serge 2021
	r = r600_startup(rdev);
2022
	if (r) {
1428 serge 2023
		dev_err(rdev->dev, "disabling GPU acceleration\n");
1221 serge 2024
//		r600_suspend(rdev);
2025
//		r600_wb_fini(rdev);
2026
//		radeon_ring_fini(rdev);
2027
		r600_pcie_gart_fini(rdev);
2028
		rdev->accel_working = false;
2029
	}
2030
	if (rdev->accel_working) {
2031
//		r = radeon_ib_pool_init(rdev);
2032
//		if (r) {
2033
//			DRM_ERROR("radeon: failled initializing IB pool (%d).\n", r);
2034
//			rdev->accel_working = false;
2035
//		}
2036
//		r = r600_ib_test(rdev);
2037
//		if (r) {
2038
//			DRM_ERROR("radeon: failled testing IB (%d).\n", r);
2039
//			rdev->accel_working = false;
2040
//		}
2041
	}
2042
	return 0;
2043
}
2044
 
1963 serge 2045
static void r600_disable_interrupt_state(struct radeon_device *rdev)
2046
{
2047
	u32 tmp;
1221 serge 2048
 
1963 serge 2049
	WREG32(CP_INT_CNTL, CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE);
2050
	WREG32(GRBM_INT_CNTL, 0);
2051
	WREG32(DxMODE_INT_MASK, 0);
2052
	WREG32(D1GRPH_INTERRUPT_CONTROL, 0);
2053
	WREG32(D2GRPH_INTERRUPT_CONTROL, 0);
2054
	if (ASIC_IS_DCE3(rdev)) {
2055
		WREG32(DCE3_DACA_AUTODETECT_INT_CONTROL, 0);
2056
		WREG32(DCE3_DACB_AUTODETECT_INT_CONTROL, 0);
2057
		tmp = RREG32(DC_HPD1_INT_CONTROL) & DC_HPDx_INT_POLARITY;
2058
		WREG32(DC_HPD1_INT_CONTROL, tmp);
2059
		tmp = RREG32(DC_HPD2_INT_CONTROL) & DC_HPDx_INT_POLARITY;
2060
		WREG32(DC_HPD2_INT_CONTROL, tmp);
2061
		tmp = RREG32(DC_HPD3_INT_CONTROL) & DC_HPDx_INT_POLARITY;
2062
		WREG32(DC_HPD3_INT_CONTROL, tmp);
2063
		tmp = RREG32(DC_HPD4_INT_CONTROL) & DC_HPDx_INT_POLARITY;
2064
		WREG32(DC_HPD4_INT_CONTROL, tmp);
2065
		if (ASIC_IS_DCE32(rdev)) {
2066
			tmp = RREG32(DC_HPD5_INT_CONTROL) & DC_HPDx_INT_POLARITY;
2067
			WREG32(DC_HPD5_INT_CONTROL, tmp);
2068
			tmp = RREG32(DC_HPD6_INT_CONTROL) & DC_HPDx_INT_POLARITY;
2069
			WREG32(DC_HPD6_INT_CONTROL, tmp);
2070
		}
2071
	} else {
2072
		WREG32(DACA_AUTODETECT_INT_CONTROL, 0);
2073
		WREG32(DACB_AUTODETECT_INT_CONTROL, 0);
2074
		tmp = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL) & DC_HOT_PLUG_DETECTx_INT_POLARITY;
2075
		WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
2076
		tmp = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL) & DC_HOT_PLUG_DETECTx_INT_POLARITY;
2077
		WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
2078
		tmp = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL) & DC_HOT_PLUG_DETECTx_INT_POLARITY;
2079
		WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, tmp);
2080
	}
2081
}
1221 serge 2082
 
2083
 
2084
 
2085
 
2086
 
2087
 
2088
 
1963 serge 2089
 
1221 serge 2090
/*
2091
 * Debugfs info
2092
 */
2093
#if defined(CONFIG_DEBUG_FS)
2094
 
2095
static int r600_debugfs_cp_ring_info(struct seq_file *m, void *data)
2096
{
2097
	struct drm_info_node *node = (struct drm_info_node *) m->private;
2098
	struct drm_device *dev = node->minor->dev;
2099
	struct radeon_device *rdev = dev->dev_private;
2100
	unsigned count, i, j;
2101
 
2102
	radeon_ring_free_size(rdev);
1321 serge 2103
	count = (rdev->cp.ring_size / 4) - rdev->cp.ring_free_dw;
1221 serge 2104
	seq_printf(m, "CP_STAT 0x%08x\n", RREG32(CP_STAT));
1321 serge 2105
	seq_printf(m, "CP_RB_WPTR 0x%08x\n", RREG32(CP_RB_WPTR));
2106
	seq_printf(m, "CP_RB_RPTR 0x%08x\n", RREG32(CP_RB_RPTR));
2107
	seq_printf(m, "driver's copy of the CP_RB_WPTR 0x%08x\n", rdev->cp.wptr);
2108
	seq_printf(m, "driver's copy of the CP_RB_RPTR 0x%08x\n", rdev->cp.rptr);
1221 serge 2109
	seq_printf(m, "%u free dwords in ring\n", rdev->cp.ring_free_dw);
2110
	seq_printf(m, "%u dwords in ring\n", count);
1321 serge 2111
	i = rdev->cp.rptr;
1221 serge 2112
	for (j = 0; j <= count; j++) {
2113
		seq_printf(m, "r[%04d]=0x%08x\n", i, rdev->cp.ring[i]);
1321 serge 2114
		i = (i + 1) & rdev->cp.ptr_mask;
1221 serge 2115
	}
2116
	return 0;
2117
}
2118
 
2119
static int r600_debugfs_mc_info(struct seq_file *m, void *data)
2120
{
2121
	struct drm_info_node *node = (struct drm_info_node *) m->private;
2122
	struct drm_device *dev = node->minor->dev;
2123
	struct radeon_device *rdev = dev->dev_private;
2124
 
2125
	DREG32_SYS(m, rdev, R_000E50_SRBM_STATUS);
2126
	DREG32_SYS(m, rdev, VM_L2_STATUS);
2127
	return 0;
2128
}
2129
 
2130
static struct drm_info_list r600_mc_info_list[] = {
2131
	{"r600_mc_info", r600_debugfs_mc_info, 0, NULL},
2132
	{"r600_ring_info", r600_debugfs_cp_ring_info, 0, NULL},
2133
};
2134
#endif
2135
 
2136
int r600_debugfs_mc_info_init(struct radeon_device *rdev)
2137
{
2138
#if defined(CONFIG_DEBUG_FS)
2139
	return radeon_debugfs_add_files(rdev, r600_mc_info_list, ARRAY_SIZE(r600_mc_info_list));
2140
#else
2141
	return 0;
2142
#endif
2143
}
1404 serge 2144
 
2145
/**
2146
 * r600_ioctl_wait_idle - flush host path cache on wait idle ioctl
2147
 * rdev: radeon device structure
2148
 * bo: buffer object struct which userspace is waiting for idle
2149
 *
2150
 * Some R6XX/R7XX doesn't seems to take into account HDP flush performed
2151
 * through ring buffer, this leads to corruption in rendering, see
2152
 * http://bugzilla.kernel.org/show_bug.cgi?id=15186 to avoid this we
2153
 * directly perform HDP flush by writing register through MMIO.
2154
 */
2155
void r600_ioctl_wait_idle(struct radeon_device *rdev, struct radeon_bo *bo)
2156
{
1963 serge 2157
	/* r7xx hw bug.  write to HDP_DEBUG1 followed by fb read
2158
	 * rather than write to HDP_REG_COHERENCY_FLUSH_CNTL.
2159
	 * This seems to cause problems on some AGP cards. Just use the old
2160
	 * method for them.
2161
	 */
2162
	if ((rdev->family >= CHIP_RV770) && (rdev->family <= CHIP_RV740) &&
2163
	    rdev->vram_scratch.ptr && !(rdev->flags & RADEON_IS_AGP)) {
2164
		void __iomem *ptr = (void *)rdev->vram_scratch.ptr;
2165
		u32 tmp;
2166
 
2167
		WREG32(HDP_DEBUG1, 0);
2168
		tmp = readl((void __iomem *)ptr);
2169
	} else
1404 serge 2170
	WREG32(R_005480_HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
2171
}
1963 serge 2172
 
2173
void r600_set_pcie_lanes(struct radeon_device *rdev, int lanes)
2174
{
2175
	u32 link_width_cntl, mask, target_reg;
2176
 
2177
	if (rdev->flags & RADEON_IS_IGP)
2178
		return;
2179
 
2180
	if (!(rdev->flags & RADEON_IS_PCIE))
2181
		return;
2182
 
2183
	/* x2 cards have a special sequence */
2184
	if (ASIC_IS_X2(rdev))
2185
		return;
2186
 
2187
	/* FIXME wait for idle */
2188
 
2189
	switch (lanes) {
2190
	case 0:
2191
		mask = RADEON_PCIE_LC_LINK_WIDTH_X0;
2192
		break;
2193
	case 1:
2194
		mask = RADEON_PCIE_LC_LINK_WIDTH_X1;
2195
		break;
2196
	case 2:
2197
		mask = RADEON_PCIE_LC_LINK_WIDTH_X2;
2198
		break;
2199
	case 4:
2200
		mask = RADEON_PCIE_LC_LINK_WIDTH_X4;
2201
		break;
2202
	case 8:
2203
		mask = RADEON_PCIE_LC_LINK_WIDTH_X8;
2204
		break;
2205
	case 12:
2206
		mask = RADEON_PCIE_LC_LINK_WIDTH_X12;
2207
		break;
2208
	case 16:
2209
	default:
2210
		mask = RADEON_PCIE_LC_LINK_WIDTH_X16;
2211
		break;
2212
	}
2213
 
2214
	link_width_cntl = RREG32_PCIE_P(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
2215
 
2216
	if ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) ==
2217
	    (mask << RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT))
2218
		return;
2219
 
2220
	if (link_width_cntl & R600_PCIE_LC_UPCONFIGURE_DIS)
2221
		return;
2222
 
2223
	link_width_cntl &= ~(RADEON_PCIE_LC_LINK_WIDTH_MASK |
2224
			     RADEON_PCIE_LC_RECONFIG_NOW |
2225
			     R600_PCIE_LC_RENEGOTIATE_EN |
2226
			     R600_PCIE_LC_RECONFIG_ARC_MISSING_ESCAPE);
2227
	link_width_cntl |= mask;
2228
 
2229
	WREG32_PCIE_P(RADEON_PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
2230
 
2231
        /* some northbridges can renegotiate the link rather than requiring
2232
         * a complete re-config.
2233
         * e.g., AMD 780/790 northbridges (pci ids: 0x5956, 0x5957, 0x5958, etc.)
2234
         */
2235
        if (link_width_cntl & R600_PCIE_LC_RENEGOTIATION_SUPPORT)
2236
		link_width_cntl |= R600_PCIE_LC_RENEGOTIATE_EN | R600_PCIE_LC_UPCONFIGURE_SUPPORT;
2237
        else
2238
		link_width_cntl |= R600_PCIE_LC_RECONFIG_ARC_MISSING_ESCAPE;
2239
 
2240
	WREG32_PCIE_P(RADEON_PCIE_LC_LINK_WIDTH_CNTL, (link_width_cntl |
2241
						       RADEON_PCIE_LC_RECONFIG_NOW));
2242
 
2243
        if (rdev->family >= CHIP_RV770)
2244
		target_reg = R700_TARGET_AND_CURRENT_PROFILE_INDEX;
2245
        else
2246
		target_reg = R600_TARGET_AND_CURRENT_PROFILE_INDEX;
2247
 
2248
        /* wait for lane set to complete */
2249
        link_width_cntl = RREG32(target_reg);
2250
        while (link_width_cntl == 0xffffffff)
2251
		link_width_cntl = RREG32(target_reg);
2252
 
2253
}
2254
 
2255
int r600_get_pcie_lanes(struct radeon_device *rdev)
2256
{
2257
	u32 link_width_cntl;
2258
 
2259
	if (rdev->flags & RADEON_IS_IGP)
2260
		return 0;
2261
 
2262
	if (!(rdev->flags & RADEON_IS_PCIE))
2263
		return 0;
2264
 
2265
	/* x2 cards have a special sequence */
2266
	if (ASIC_IS_X2(rdev))
2267
		return 0;
2268
 
2269
	/* FIXME wait for idle */
2270
 
2271
	link_width_cntl = RREG32_PCIE_P(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
2272
 
2273
	switch ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) >> RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT) {
2274
	case RADEON_PCIE_LC_LINK_WIDTH_X0:
2275
		return 0;
2276
	case RADEON_PCIE_LC_LINK_WIDTH_X1:
2277
		return 1;
2278
	case RADEON_PCIE_LC_LINK_WIDTH_X2:
2279
		return 2;
2280
	case RADEON_PCIE_LC_LINK_WIDTH_X4:
2281
		return 4;
2282
	case RADEON_PCIE_LC_LINK_WIDTH_X8:
2283
		return 8;
2284
	case RADEON_PCIE_LC_LINK_WIDTH_X16:
2285
	default:
2286
		return 16;
2287
	}
2288
}
2289
 
2290
static void r600_pcie_gen2_enable(struct radeon_device *rdev)
2291
{
2292
	u32 link_width_cntl, lanes, speed_cntl, training_cntl, tmp;
2293
	u16 link_cntl2;
2294
 
2295
	if (radeon_pcie_gen2 == 0)
2296
		return;
2297
 
2298
	if (rdev->flags & RADEON_IS_IGP)
2299
		return;
2300
 
2301
	if (!(rdev->flags & RADEON_IS_PCIE))
2302
		return;
2303
 
2304
	/* x2 cards have a special sequence */
2305
	if (ASIC_IS_X2(rdev))
2306
		return;
2307
 
2308
	/* only RV6xx+ chips are supported */
2309
	if (rdev->family <= CHIP_R600)
2310
		return;
2311
 
2312
	/* 55 nm r6xx asics */
2313
	if ((rdev->family == CHIP_RV670) ||
2314
	    (rdev->family == CHIP_RV620) ||
2315
	    (rdev->family == CHIP_RV635)) {
2316
		/* advertise upconfig capability */
2317
		link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL);
2318
		link_width_cntl &= ~LC_UPCONFIGURE_DIS;
2319
		WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
2320
		link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL);
2321
		if (link_width_cntl & LC_RENEGOTIATION_SUPPORT) {
2322
			lanes = (link_width_cntl & LC_LINK_WIDTH_RD_MASK) >> LC_LINK_WIDTH_RD_SHIFT;
2323
			link_width_cntl &= ~(LC_LINK_WIDTH_MASK |
2324
					     LC_RECONFIG_ARC_MISSING_ESCAPE);
2325
			link_width_cntl |= lanes | LC_RECONFIG_NOW | LC_RENEGOTIATE_EN;
2326
			WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
2327
		} else {
2328
			link_width_cntl |= LC_UPCONFIGURE_DIS;
2329
			WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
2330
		}
2331
	}
2332
 
2333
	speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
2334
	if ((speed_cntl & LC_OTHER_SIDE_EVER_SENT_GEN2) &&
2335
	    (speed_cntl & LC_OTHER_SIDE_SUPPORTS_GEN2)) {
2336
 
2337
		/* 55 nm r6xx asics */
2338
		if ((rdev->family == CHIP_RV670) ||
2339
		    (rdev->family == CHIP_RV620) ||
2340
		    (rdev->family == CHIP_RV635)) {
2341
			WREG32(MM_CFGREGS_CNTL, 0x8);
2342
			link_cntl2 = RREG32(0x4088);
2343
			WREG32(MM_CFGREGS_CNTL, 0);
2344
			/* not supported yet */
2345
			if (link_cntl2 & SELECTABLE_DEEMPHASIS)
2346
				return;
2347
		}
2348
 
2349
		speed_cntl &= ~LC_SPEED_CHANGE_ATTEMPTS_ALLOWED_MASK;
2350
		speed_cntl |= (0x3 << LC_SPEED_CHANGE_ATTEMPTS_ALLOWED_SHIFT);
2351
		speed_cntl &= ~LC_VOLTAGE_TIMER_SEL_MASK;
2352
		speed_cntl &= ~LC_FORCE_DIS_HW_SPEED_CHANGE;
2353
		speed_cntl |= LC_FORCE_EN_HW_SPEED_CHANGE;
2354
		WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);
2355
 
2356
		tmp = RREG32(0x541c);
2357
		WREG32(0x541c, tmp | 0x8);
2358
		WREG32(MM_CFGREGS_CNTL, MM_WR_TO_CFG_EN);
2359
		link_cntl2 = RREG16(0x4088);
2360
		link_cntl2 &= ~TARGET_LINK_SPEED_MASK;
2361
		link_cntl2 |= 0x2;
2362
		WREG16(0x4088, link_cntl2);
2363
		WREG32(MM_CFGREGS_CNTL, 0);
2364
 
2365
		if ((rdev->family == CHIP_RV670) ||
2366
		    (rdev->family == CHIP_RV620) ||
2367
		    (rdev->family == CHIP_RV635)) {
2368
			training_cntl = RREG32_PCIE_P(PCIE_LC_TRAINING_CNTL);
2369
			training_cntl &= ~LC_POINT_7_PLUS_EN;
2370
			WREG32_PCIE_P(PCIE_LC_TRAINING_CNTL, training_cntl);
2371
		} else {
2372
			speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
2373
			speed_cntl &= ~LC_TARGET_LINK_SPEED_OVERRIDE_EN;
2374
			WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);
2375
		}
2376
 
2377
		speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
2378
		speed_cntl |= LC_GEN2_EN_STRAP;
2379
		WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);
2380
 
2381
	} else {
2382
		link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL);
2383
		/* XXX: only disable it if gen1 bridge vendor == 0x111d or 0x1106 */
2384
		if (1)
2385
			link_width_cntl |= LC_UPCONFIGURE_DIS;
2386
		else
2387
			link_width_cntl &= ~LC_UPCONFIGURE_DIS;
2388
		WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
2389
	}
2390
}