xref: /openbmc/linux/drivers/gpu/drm/radeon/ni.c (revision 94c7b6fc)
1 /*
2  * Copyright 2010 Advanced Micro Devices, Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  *
22  * Authors: Alex Deucher
23  */
24 #include <linux/firmware.h>
25 #include <linux/slab.h>
26 #include <linux/module.h>
27 #include <drm/drmP.h>
28 #include "radeon.h"
29 #include "radeon_asic.h"
30 #include <drm/radeon_drm.h>
31 #include "nid.h"
32 #include "atom.h"
33 #include "ni_reg.h"
34 #include "cayman_blit_shaders.h"
35 #include "radeon_ucode.h"
36 #include "clearstate_cayman.h"
37 
38 static const u32 tn_rlc_save_restore_register_list[] =
39 {
40 	0x98fc,
41 	0x98f0,
42 	0x9834,
43 	0x9838,
44 	0x9870,
45 	0x9874,
46 	0x8a14,
47 	0x8b24,
48 	0x8bcc,
49 	0x8b10,
50 	0x8c30,
51 	0x8d00,
52 	0x8d04,
53 	0x8c00,
54 	0x8c04,
55 	0x8c10,
56 	0x8c14,
57 	0x8d8c,
58 	0x8cf0,
59 	0x8e38,
60 	0x9508,
61 	0x9688,
62 	0x9608,
63 	0x960c,
64 	0x9610,
65 	0x9614,
66 	0x88c4,
67 	0x8978,
68 	0x88d4,
69 	0x900c,
70 	0x9100,
71 	0x913c,
72 	0x90e8,
73 	0x9354,
74 	0xa008,
75 	0x98f8,
76 	0x9148,
77 	0x914c,
78 	0x3f94,
79 	0x98f4,
80 	0x9b7c,
81 	0x3f8c,
82 	0x8950,
83 	0x8954,
84 	0x8a18,
85 	0x8b28,
86 	0x9144,
87 	0x3f90,
88 	0x915c,
89 	0x9160,
90 	0x9178,
91 	0x917c,
92 	0x9180,
93 	0x918c,
94 	0x9190,
95 	0x9194,
96 	0x9198,
97 	0x919c,
98 	0x91a8,
99 	0x91ac,
100 	0x91b0,
101 	0x91b4,
102 	0x91b8,
103 	0x91c4,
104 	0x91c8,
105 	0x91cc,
106 	0x91d0,
107 	0x91d4,
108 	0x91e0,
109 	0x91e4,
110 	0x91ec,
111 	0x91f0,
112 	0x91f4,
113 	0x9200,
114 	0x9204,
115 	0x929c,
116 	0x8030,
117 	0x9150,
118 	0x9a60,
119 	0x920c,
120 	0x9210,
121 	0x9228,
122 	0x922c,
123 	0x9244,
124 	0x9248,
125 	0x91e8,
126 	0x9294,
127 	0x9208,
128 	0x9224,
129 	0x9240,
130 	0x9220,
131 	0x923c,
132 	0x9258,
133 	0x9744,
134 	0xa200,
135 	0xa204,
136 	0xa208,
137 	0xa20c,
138 	0x8d58,
139 	0x9030,
140 	0x9034,
141 	0x9038,
142 	0x903c,
143 	0x9040,
144 	0x9654,
145 	0x897c,
146 	0xa210,
147 	0xa214,
148 	0x9868,
149 	0xa02c,
150 	0x9664,
151 	0x9698,
152 	0x949c,
153 	0x8e10,
154 	0x8e18,
155 	0x8c50,
156 	0x8c58,
157 	0x8c60,
158 	0x8c68,
159 	0x89b4,
160 	0x9830,
161 	0x802c,
162 };
163 
164 extern bool evergreen_is_display_hung(struct radeon_device *rdev);
165 extern void evergreen_print_gpu_status_regs(struct radeon_device *rdev);
166 extern void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *save);
167 extern void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *save);
168 extern int evergreen_mc_wait_for_idle(struct radeon_device *rdev);
169 extern void evergreen_mc_program(struct radeon_device *rdev);
170 extern void evergreen_irq_suspend(struct radeon_device *rdev);
171 extern int evergreen_mc_init(struct radeon_device *rdev);
172 extern void evergreen_fix_pci_max_read_req_size(struct radeon_device *rdev);
173 extern void evergreen_pcie_gen2_enable(struct radeon_device *rdev);
174 extern void evergreen_program_aspm(struct radeon_device *rdev);
175 extern void sumo_rlc_fini(struct radeon_device *rdev);
176 extern int sumo_rlc_init(struct radeon_device *rdev);
177 extern void evergreen_gpu_pci_config_reset(struct radeon_device *rdev);
178 
179 /* Firmware Names */
180 MODULE_FIRMWARE("radeon/BARTS_pfp.bin");
181 MODULE_FIRMWARE("radeon/BARTS_me.bin");
182 MODULE_FIRMWARE("radeon/BARTS_mc.bin");
183 MODULE_FIRMWARE("radeon/BARTS_smc.bin");
184 MODULE_FIRMWARE("radeon/BTC_rlc.bin");
185 MODULE_FIRMWARE("radeon/TURKS_pfp.bin");
186 MODULE_FIRMWARE("radeon/TURKS_me.bin");
187 MODULE_FIRMWARE("radeon/TURKS_mc.bin");
188 MODULE_FIRMWARE("radeon/TURKS_smc.bin");
189 MODULE_FIRMWARE("radeon/CAICOS_pfp.bin");
190 MODULE_FIRMWARE("radeon/CAICOS_me.bin");
191 MODULE_FIRMWARE("radeon/CAICOS_mc.bin");
192 MODULE_FIRMWARE("radeon/CAICOS_smc.bin");
193 MODULE_FIRMWARE("radeon/CAYMAN_pfp.bin");
194 MODULE_FIRMWARE("radeon/CAYMAN_me.bin");
195 MODULE_FIRMWARE("radeon/CAYMAN_mc.bin");
196 MODULE_FIRMWARE("radeon/CAYMAN_rlc.bin");
197 MODULE_FIRMWARE("radeon/CAYMAN_smc.bin");
198 MODULE_FIRMWARE("radeon/ARUBA_pfp.bin");
199 MODULE_FIRMWARE("radeon/ARUBA_me.bin");
200 MODULE_FIRMWARE("radeon/ARUBA_rlc.bin");
201 
202 
203 static const u32 cayman_golden_registers2[] =
204 {
205 	0x3e5c, 0xffffffff, 0x00000000,
206 	0x3e48, 0xffffffff, 0x00000000,
207 	0x3e4c, 0xffffffff, 0x00000000,
208 	0x3e64, 0xffffffff, 0x00000000,
209 	0x3e50, 0xffffffff, 0x00000000,
210 	0x3e60, 0xffffffff, 0x00000000
211 };
212 
213 static const u32 cayman_golden_registers[] =
214 {
215 	0x5eb4, 0xffffffff, 0x00000002,
216 	0x5e78, 0x8f311ff1, 0x001000f0,
217 	0x3f90, 0xffff0000, 0xff000000,
218 	0x9148, 0xffff0000, 0xff000000,
219 	0x3f94, 0xffff0000, 0xff000000,
220 	0x914c, 0xffff0000, 0xff000000,
221 	0xc78, 0x00000080, 0x00000080,
222 	0xbd4, 0x70073777, 0x00011003,
223 	0xd02c, 0xbfffff1f, 0x08421000,
224 	0xd0b8, 0x73773777, 0x02011003,
225 	0x5bc0, 0x00200000, 0x50100000,
226 	0x98f8, 0x33773777, 0x02011003,
227 	0x98fc, 0xffffffff, 0x76541032,
228 	0x7030, 0x31000311, 0x00000011,
229 	0x2f48, 0x33773777, 0x42010001,
230 	0x6b28, 0x00000010, 0x00000012,
231 	0x7728, 0x00000010, 0x00000012,
232 	0x10328, 0x00000010, 0x00000012,
233 	0x10f28, 0x00000010, 0x00000012,
234 	0x11b28, 0x00000010, 0x00000012,
235 	0x12728, 0x00000010, 0x00000012,
236 	0x240c, 0x000007ff, 0x00000000,
237 	0x8a14, 0xf000001f, 0x00000007,
238 	0x8b24, 0x3fff3fff, 0x00ff0fff,
239 	0x8b10, 0x0000ff0f, 0x00000000,
240 	0x28a4c, 0x07ffffff, 0x06000000,
241 	0x10c, 0x00000001, 0x00010003,
242 	0xa02c, 0xffffffff, 0x0000009b,
243 	0x913c, 0x0000010f, 0x01000100,
244 	0x8c04, 0xf8ff00ff, 0x40600060,
245 	0x28350, 0x00000f01, 0x00000000,
246 	0x9508, 0x3700001f, 0x00000002,
247 	0x960c, 0xffffffff, 0x54763210,
248 	0x88c4, 0x001f3ae3, 0x00000082,
249 	0x88d0, 0xffffffff, 0x0f40df40,
250 	0x88d4, 0x0000001f, 0x00000010,
251 	0x8974, 0xffffffff, 0x00000000
252 };
253 
254 static const u32 dvst_golden_registers2[] =
255 {
256 	0x8f8, 0xffffffff, 0,
257 	0x8fc, 0x00380000, 0,
258 	0x8f8, 0xffffffff, 1,
259 	0x8fc, 0x0e000000, 0
260 };
261 
262 static const u32 dvst_golden_registers[] =
263 {
264 	0x690, 0x3fff3fff, 0x20c00033,
265 	0x918c, 0x0fff0fff, 0x00010006,
266 	0x91a8, 0x0fff0fff, 0x00010006,
267 	0x9150, 0xffffdfff, 0x6e944040,
268 	0x917c, 0x0fff0fff, 0x00030002,
269 	0x9198, 0x0fff0fff, 0x00030002,
270 	0x915c, 0x0fff0fff, 0x00010000,
271 	0x3f90, 0xffff0001, 0xff000000,
272 	0x9178, 0x0fff0fff, 0x00070000,
273 	0x9194, 0x0fff0fff, 0x00070000,
274 	0x9148, 0xffff0001, 0xff000000,
275 	0x9190, 0x0fff0fff, 0x00090008,
276 	0x91ac, 0x0fff0fff, 0x00090008,
277 	0x3f94, 0xffff0000, 0xff000000,
278 	0x914c, 0xffff0000, 0xff000000,
279 	0x929c, 0x00000fff, 0x00000001,
280 	0x55e4, 0xff607fff, 0xfc000100,
281 	0x8a18, 0xff000fff, 0x00000100,
282 	0x8b28, 0xff000fff, 0x00000100,
283 	0x9144, 0xfffc0fff, 0x00000100,
284 	0x6ed8, 0x00010101, 0x00010000,
285 	0x9830, 0xffffffff, 0x00000000,
286 	0x9834, 0xf00fffff, 0x00000400,
287 	0x9838, 0xfffffffe, 0x00000000,
288 	0xd0c0, 0xff000fff, 0x00000100,
289 	0xd02c, 0xbfffff1f, 0x08421000,
290 	0xd0b8, 0x73773777, 0x12010001,
291 	0x5bb0, 0x000000f0, 0x00000070,
292 	0x98f8, 0x73773777, 0x12010001,
293 	0x98fc, 0xffffffff, 0x00000010,
294 	0x9b7c, 0x00ff0000, 0x00fc0000,
295 	0x8030, 0x00001f0f, 0x0000100a,
296 	0x2f48, 0x73773777, 0x12010001,
297 	0x2408, 0x00030000, 0x000c007f,
298 	0x8a14, 0xf000003f, 0x00000007,
299 	0x8b24, 0x3fff3fff, 0x00ff0fff,
300 	0x8b10, 0x0000ff0f, 0x00000000,
301 	0x28a4c, 0x07ffffff, 0x06000000,
302 	0x4d8, 0x00000fff, 0x00000100,
303 	0xa008, 0xffffffff, 0x00010000,
304 	0x913c, 0xffff03ff, 0x01000100,
305 	0x8c00, 0x000000ff, 0x00000003,
306 	0x8c04, 0xf8ff00ff, 0x40600060,
307 	0x8cf0, 0x1fff1fff, 0x08e00410,
308 	0x28350, 0x00000f01, 0x00000000,
309 	0x9508, 0xf700071f, 0x00000002,
310 	0x960c, 0xffffffff, 0x54763210,
311 	0x20ef8, 0x01ff01ff, 0x00000002,
312 	0x20e98, 0xfffffbff, 0x00200000,
313 	0x2015c, 0xffffffff, 0x00000f40,
314 	0x88c4, 0x001f3ae3, 0x00000082,
315 	0x8978, 0x3fffffff, 0x04050140,
316 	0x88d4, 0x0000001f, 0x00000010,
317 	0x8974, 0xffffffff, 0x00000000
318 };
319 
320 static const u32 scrapper_golden_registers[] =
321 {
322 	0x690, 0x3fff3fff, 0x20c00033,
323 	0x918c, 0x0fff0fff, 0x00010006,
324 	0x918c, 0x0fff0fff, 0x00010006,
325 	0x91a8, 0x0fff0fff, 0x00010006,
326 	0x91a8, 0x0fff0fff, 0x00010006,
327 	0x9150, 0xffffdfff, 0x6e944040,
328 	0x9150, 0xffffdfff, 0x6e944040,
329 	0x917c, 0x0fff0fff, 0x00030002,
330 	0x917c, 0x0fff0fff, 0x00030002,
331 	0x9198, 0x0fff0fff, 0x00030002,
332 	0x9198, 0x0fff0fff, 0x00030002,
333 	0x915c, 0x0fff0fff, 0x00010000,
334 	0x915c, 0x0fff0fff, 0x00010000,
335 	0x3f90, 0xffff0001, 0xff000000,
336 	0x3f90, 0xffff0001, 0xff000000,
337 	0x9178, 0x0fff0fff, 0x00070000,
338 	0x9178, 0x0fff0fff, 0x00070000,
339 	0x9194, 0x0fff0fff, 0x00070000,
340 	0x9194, 0x0fff0fff, 0x00070000,
341 	0x9148, 0xffff0001, 0xff000000,
342 	0x9148, 0xffff0001, 0xff000000,
343 	0x9190, 0x0fff0fff, 0x00090008,
344 	0x9190, 0x0fff0fff, 0x00090008,
345 	0x91ac, 0x0fff0fff, 0x00090008,
346 	0x91ac, 0x0fff0fff, 0x00090008,
347 	0x3f94, 0xffff0000, 0xff000000,
348 	0x3f94, 0xffff0000, 0xff000000,
349 	0x914c, 0xffff0000, 0xff000000,
350 	0x914c, 0xffff0000, 0xff000000,
351 	0x929c, 0x00000fff, 0x00000001,
352 	0x929c, 0x00000fff, 0x00000001,
353 	0x55e4, 0xff607fff, 0xfc000100,
354 	0x8a18, 0xff000fff, 0x00000100,
355 	0x8a18, 0xff000fff, 0x00000100,
356 	0x8b28, 0xff000fff, 0x00000100,
357 	0x8b28, 0xff000fff, 0x00000100,
358 	0x9144, 0xfffc0fff, 0x00000100,
359 	0x9144, 0xfffc0fff, 0x00000100,
360 	0x6ed8, 0x00010101, 0x00010000,
361 	0x9830, 0xffffffff, 0x00000000,
362 	0x9830, 0xffffffff, 0x00000000,
363 	0x9834, 0xf00fffff, 0x00000400,
364 	0x9834, 0xf00fffff, 0x00000400,
365 	0x9838, 0xfffffffe, 0x00000000,
366 	0x9838, 0xfffffffe, 0x00000000,
367 	0xd0c0, 0xff000fff, 0x00000100,
368 	0xd02c, 0xbfffff1f, 0x08421000,
369 	0xd02c, 0xbfffff1f, 0x08421000,
370 	0xd0b8, 0x73773777, 0x12010001,
371 	0xd0b8, 0x73773777, 0x12010001,
372 	0x5bb0, 0x000000f0, 0x00000070,
373 	0x98f8, 0x73773777, 0x12010001,
374 	0x98f8, 0x73773777, 0x12010001,
375 	0x98fc, 0xffffffff, 0x00000010,
376 	0x98fc, 0xffffffff, 0x00000010,
377 	0x9b7c, 0x00ff0000, 0x00fc0000,
378 	0x9b7c, 0x00ff0000, 0x00fc0000,
379 	0x8030, 0x00001f0f, 0x0000100a,
380 	0x8030, 0x00001f0f, 0x0000100a,
381 	0x2f48, 0x73773777, 0x12010001,
382 	0x2f48, 0x73773777, 0x12010001,
383 	0x2408, 0x00030000, 0x000c007f,
384 	0x8a14, 0xf000003f, 0x00000007,
385 	0x8a14, 0xf000003f, 0x00000007,
386 	0x8b24, 0x3fff3fff, 0x00ff0fff,
387 	0x8b24, 0x3fff3fff, 0x00ff0fff,
388 	0x8b10, 0x0000ff0f, 0x00000000,
389 	0x8b10, 0x0000ff0f, 0x00000000,
390 	0x28a4c, 0x07ffffff, 0x06000000,
391 	0x28a4c, 0x07ffffff, 0x06000000,
392 	0x4d8, 0x00000fff, 0x00000100,
393 	0x4d8, 0x00000fff, 0x00000100,
394 	0xa008, 0xffffffff, 0x00010000,
395 	0xa008, 0xffffffff, 0x00010000,
396 	0x913c, 0xffff03ff, 0x01000100,
397 	0x913c, 0xffff03ff, 0x01000100,
398 	0x90e8, 0x001fffff, 0x010400c0,
399 	0x8c00, 0x000000ff, 0x00000003,
400 	0x8c00, 0x000000ff, 0x00000003,
401 	0x8c04, 0xf8ff00ff, 0x40600060,
402 	0x8c04, 0xf8ff00ff, 0x40600060,
403 	0x8c30, 0x0000000f, 0x00040005,
404 	0x8cf0, 0x1fff1fff, 0x08e00410,
405 	0x8cf0, 0x1fff1fff, 0x08e00410,
406 	0x900c, 0x00ffffff, 0x0017071f,
407 	0x28350, 0x00000f01, 0x00000000,
408 	0x28350, 0x00000f01, 0x00000000,
409 	0x9508, 0xf700071f, 0x00000002,
410 	0x9508, 0xf700071f, 0x00000002,
411 	0x9688, 0x00300000, 0x0017000f,
412 	0x960c, 0xffffffff, 0x54763210,
413 	0x960c, 0xffffffff, 0x54763210,
414 	0x20ef8, 0x01ff01ff, 0x00000002,
415 	0x20e98, 0xfffffbff, 0x00200000,
416 	0x2015c, 0xffffffff, 0x00000f40,
417 	0x88c4, 0x001f3ae3, 0x00000082,
418 	0x88c4, 0x001f3ae3, 0x00000082,
419 	0x8978, 0x3fffffff, 0x04050140,
420 	0x8978, 0x3fffffff, 0x04050140,
421 	0x88d4, 0x0000001f, 0x00000010,
422 	0x88d4, 0x0000001f, 0x00000010,
423 	0x8974, 0xffffffff, 0x00000000,
424 	0x8974, 0xffffffff, 0x00000000
425 };
426 
427 static void ni_init_golden_registers(struct radeon_device *rdev)
428 {
429 	switch (rdev->family) {
430 	case CHIP_CAYMAN:
431 		radeon_program_register_sequence(rdev,
432 						 cayman_golden_registers,
433 						 (const u32)ARRAY_SIZE(cayman_golden_registers));
434 		radeon_program_register_sequence(rdev,
435 						 cayman_golden_registers2,
436 						 (const u32)ARRAY_SIZE(cayman_golden_registers2));
437 		break;
438 	case CHIP_ARUBA:
439 		if ((rdev->pdev->device == 0x9900) ||
440 		    (rdev->pdev->device == 0x9901) ||
441 		    (rdev->pdev->device == 0x9903) ||
442 		    (rdev->pdev->device == 0x9904) ||
443 		    (rdev->pdev->device == 0x9905) ||
444 		    (rdev->pdev->device == 0x9906) ||
445 		    (rdev->pdev->device == 0x9907) ||
446 		    (rdev->pdev->device == 0x9908) ||
447 		    (rdev->pdev->device == 0x9909) ||
448 		    (rdev->pdev->device == 0x990A) ||
449 		    (rdev->pdev->device == 0x990B) ||
450 		    (rdev->pdev->device == 0x990C) ||
451 		    (rdev->pdev->device == 0x990D) ||
452 		    (rdev->pdev->device == 0x990E) ||
453 		    (rdev->pdev->device == 0x990F) ||
454 		    (rdev->pdev->device == 0x9910) ||
455 		    (rdev->pdev->device == 0x9913) ||
456 		    (rdev->pdev->device == 0x9917) ||
457 		    (rdev->pdev->device == 0x9918)) {
458 			radeon_program_register_sequence(rdev,
459 							 dvst_golden_registers,
460 							 (const u32)ARRAY_SIZE(dvst_golden_registers));
461 			radeon_program_register_sequence(rdev,
462 							 dvst_golden_registers2,
463 							 (const u32)ARRAY_SIZE(dvst_golden_registers2));
464 		} else {
465 			radeon_program_register_sequence(rdev,
466 							 scrapper_golden_registers,
467 							 (const u32)ARRAY_SIZE(scrapper_golden_registers));
468 			radeon_program_register_sequence(rdev,
469 							 dvst_golden_registers2,
470 							 (const u32)ARRAY_SIZE(dvst_golden_registers2));
471 		}
472 		break;
473 	default:
474 		break;
475 	}
476 }
477 
478 #define BTC_IO_MC_REGS_SIZE 29
479 
480 static const u32 barts_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
481 	{0x00000077, 0xff010100},
482 	{0x00000078, 0x00000000},
483 	{0x00000079, 0x00001434},
484 	{0x0000007a, 0xcc08ec08},
485 	{0x0000007b, 0x00040000},
486 	{0x0000007c, 0x000080c0},
487 	{0x0000007d, 0x09000000},
488 	{0x0000007e, 0x00210404},
489 	{0x00000081, 0x08a8e800},
490 	{0x00000082, 0x00030444},
491 	{0x00000083, 0x00000000},
492 	{0x00000085, 0x00000001},
493 	{0x00000086, 0x00000002},
494 	{0x00000087, 0x48490000},
495 	{0x00000088, 0x20244647},
496 	{0x00000089, 0x00000005},
497 	{0x0000008b, 0x66030000},
498 	{0x0000008c, 0x00006603},
499 	{0x0000008d, 0x00000100},
500 	{0x0000008f, 0x00001c0a},
501 	{0x00000090, 0xff000001},
502 	{0x00000094, 0x00101101},
503 	{0x00000095, 0x00000fff},
504 	{0x00000096, 0x00116fff},
505 	{0x00000097, 0x60010000},
506 	{0x00000098, 0x10010000},
507 	{0x00000099, 0x00006000},
508 	{0x0000009a, 0x00001000},
509 	{0x0000009f, 0x00946a00}
510 };
511 
512 static const u32 turks_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
513 	{0x00000077, 0xff010100},
514 	{0x00000078, 0x00000000},
515 	{0x00000079, 0x00001434},
516 	{0x0000007a, 0xcc08ec08},
517 	{0x0000007b, 0x00040000},
518 	{0x0000007c, 0x000080c0},
519 	{0x0000007d, 0x09000000},
520 	{0x0000007e, 0x00210404},
521 	{0x00000081, 0x08a8e800},
522 	{0x00000082, 0x00030444},
523 	{0x00000083, 0x00000000},
524 	{0x00000085, 0x00000001},
525 	{0x00000086, 0x00000002},
526 	{0x00000087, 0x48490000},
527 	{0x00000088, 0x20244647},
528 	{0x00000089, 0x00000005},
529 	{0x0000008b, 0x66030000},
530 	{0x0000008c, 0x00006603},
531 	{0x0000008d, 0x00000100},
532 	{0x0000008f, 0x00001c0a},
533 	{0x00000090, 0xff000001},
534 	{0x00000094, 0x00101101},
535 	{0x00000095, 0x00000fff},
536 	{0x00000096, 0x00116fff},
537 	{0x00000097, 0x60010000},
538 	{0x00000098, 0x10010000},
539 	{0x00000099, 0x00006000},
540 	{0x0000009a, 0x00001000},
541 	{0x0000009f, 0x00936a00}
542 };
543 
544 static const u32 caicos_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
545 	{0x00000077, 0xff010100},
546 	{0x00000078, 0x00000000},
547 	{0x00000079, 0x00001434},
548 	{0x0000007a, 0xcc08ec08},
549 	{0x0000007b, 0x00040000},
550 	{0x0000007c, 0x000080c0},
551 	{0x0000007d, 0x09000000},
552 	{0x0000007e, 0x00210404},
553 	{0x00000081, 0x08a8e800},
554 	{0x00000082, 0x00030444},
555 	{0x00000083, 0x00000000},
556 	{0x00000085, 0x00000001},
557 	{0x00000086, 0x00000002},
558 	{0x00000087, 0x48490000},
559 	{0x00000088, 0x20244647},
560 	{0x00000089, 0x00000005},
561 	{0x0000008b, 0x66030000},
562 	{0x0000008c, 0x00006603},
563 	{0x0000008d, 0x00000100},
564 	{0x0000008f, 0x00001c0a},
565 	{0x00000090, 0xff000001},
566 	{0x00000094, 0x00101101},
567 	{0x00000095, 0x00000fff},
568 	{0x00000096, 0x00116fff},
569 	{0x00000097, 0x60010000},
570 	{0x00000098, 0x10010000},
571 	{0x00000099, 0x00006000},
572 	{0x0000009a, 0x00001000},
573 	{0x0000009f, 0x00916a00}
574 };
575 
576 static const u32 cayman_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
577 	{0x00000077, 0xff010100},
578 	{0x00000078, 0x00000000},
579 	{0x00000079, 0x00001434},
580 	{0x0000007a, 0xcc08ec08},
581 	{0x0000007b, 0x00040000},
582 	{0x0000007c, 0x000080c0},
583 	{0x0000007d, 0x09000000},
584 	{0x0000007e, 0x00210404},
585 	{0x00000081, 0x08a8e800},
586 	{0x00000082, 0x00030444},
587 	{0x00000083, 0x00000000},
588 	{0x00000085, 0x00000001},
589 	{0x00000086, 0x00000002},
590 	{0x00000087, 0x48490000},
591 	{0x00000088, 0x20244647},
592 	{0x00000089, 0x00000005},
593 	{0x0000008b, 0x66030000},
594 	{0x0000008c, 0x00006603},
595 	{0x0000008d, 0x00000100},
596 	{0x0000008f, 0x00001c0a},
597 	{0x00000090, 0xff000001},
598 	{0x00000094, 0x00101101},
599 	{0x00000095, 0x00000fff},
600 	{0x00000096, 0x00116fff},
601 	{0x00000097, 0x60010000},
602 	{0x00000098, 0x10010000},
603 	{0x00000099, 0x00006000},
604 	{0x0000009a, 0x00001000},
605 	{0x0000009f, 0x00976b00}
606 };
607 
608 int ni_mc_load_microcode(struct radeon_device *rdev)
609 {
610 	const __be32 *fw_data;
611 	u32 mem_type, running, blackout = 0;
612 	u32 *io_mc_regs;
613 	int i, ucode_size, regs_size;
614 
615 	if (!rdev->mc_fw)
616 		return -EINVAL;
617 
618 	switch (rdev->family) {
619 	case CHIP_BARTS:
620 		io_mc_regs = (u32 *)&barts_io_mc_regs;
621 		ucode_size = BTC_MC_UCODE_SIZE;
622 		regs_size = BTC_IO_MC_REGS_SIZE;
623 		break;
624 	case CHIP_TURKS:
625 		io_mc_regs = (u32 *)&turks_io_mc_regs;
626 		ucode_size = BTC_MC_UCODE_SIZE;
627 		regs_size = BTC_IO_MC_REGS_SIZE;
628 		break;
629 	case CHIP_CAICOS:
630 	default:
631 		io_mc_regs = (u32 *)&caicos_io_mc_regs;
632 		ucode_size = BTC_MC_UCODE_SIZE;
633 		regs_size = BTC_IO_MC_REGS_SIZE;
634 		break;
635 	case CHIP_CAYMAN:
636 		io_mc_regs = (u32 *)&cayman_io_mc_regs;
637 		ucode_size = CAYMAN_MC_UCODE_SIZE;
638 		regs_size = BTC_IO_MC_REGS_SIZE;
639 		break;
640 	}
641 
642 	mem_type = (RREG32(MC_SEQ_MISC0) & MC_SEQ_MISC0_GDDR5_MASK) >> MC_SEQ_MISC0_GDDR5_SHIFT;
643 	running = RREG32(MC_SEQ_SUP_CNTL) & RUN_MASK;
644 
645 	if ((mem_type == MC_SEQ_MISC0_GDDR5_VALUE) && (running == 0)) {
646 		if (running) {
647 			blackout = RREG32(MC_SHARED_BLACKOUT_CNTL);
648 			WREG32(MC_SHARED_BLACKOUT_CNTL, 1);
649 		}
650 
651 		/* reset the engine and set to writable */
652 		WREG32(MC_SEQ_SUP_CNTL, 0x00000008);
653 		WREG32(MC_SEQ_SUP_CNTL, 0x00000010);
654 
655 		/* load mc io regs */
656 		for (i = 0; i < regs_size; i++) {
657 			WREG32(MC_SEQ_IO_DEBUG_INDEX, io_mc_regs[(i << 1)]);
658 			WREG32(MC_SEQ_IO_DEBUG_DATA, io_mc_regs[(i << 1) + 1]);
659 		}
660 		/* load the MC ucode */
661 		fw_data = (const __be32 *)rdev->mc_fw->data;
662 		for (i = 0; i < ucode_size; i++)
663 			WREG32(MC_SEQ_SUP_PGM, be32_to_cpup(fw_data++));
664 
665 		/* put the engine back into the active state */
666 		WREG32(MC_SEQ_SUP_CNTL, 0x00000008);
667 		WREG32(MC_SEQ_SUP_CNTL, 0x00000004);
668 		WREG32(MC_SEQ_SUP_CNTL, 0x00000001);
669 
670 		/* wait for training to complete */
671 		for (i = 0; i < rdev->usec_timeout; i++) {
672 			if (RREG32(MC_IO_PAD_CNTL_D0) & MEM_FALL_OUT_CMD)
673 				break;
674 			udelay(1);
675 		}
676 
677 		if (running)
678 			WREG32(MC_SHARED_BLACKOUT_CNTL, blackout);
679 	}
680 
681 	return 0;
682 }
683 
684 int ni_init_microcode(struct radeon_device *rdev)
685 {
686 	const char *chip_name;
687 	const char *rlc_chip_name;
688 	size_t pfp_req_size, me_req_size, rlc_req_size, mc_req_size;
689 	size_t smc_req_size = 0;
690 	char fw_name[30];
691 	int err;
692 
693 	DRM_DEBUG("\n");
694 
695 	switch (rdev->family) {
696 	case CHIP_BARTS:
697 		chip_name = "BARTS";
698 		rlc_chip_name = "BTC";
699 		pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
700 		me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
701 		rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
702 		mc_req_size = BTC_MC_UCODE_SIZE * 4;
703 		smc_req_size = ALIGN(BARTS_SMC_UCODE_SIZE, 4);
704 		break;
705 	case CHIP_TURKS:
706 		chip_name = "TURKS";
707 		rlc_chip_name = "BTC";
708 		pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
709 		me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
710 		rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
711 		mc_req_size = BTC_MC_UCODE_SIZE * 4;
712 		smc_req_size = ALIGN(TURKS_SMC_UCODE_SIZE, 4);
713 		break;
714 	case CHIP_CAICOS:
715 		chip_name = "CAICOS";
716 		rlc_chip_name = "BTC";
717 		pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
718 		me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
719 		rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
720 		mc_req_size = BTC_MC_UCODE_SIZE * 4;
721 		smc_req_size = ALIGN(CAICOS_SMC_UCODE_SIZE, 4);
722 		break;
723 	case CHIP_CAYMAN:
724 		chip_name = "CAYMAN";
725 		rlc_chip_name = "CAYMAN";
726 		pfp_req_size = CAYMAN_PFP_UCODE_SIZE * 4;
727 		me_req_size = CAYMAN_PM4_UCODE_SIZE * 4;
728 		rlc_req_size = CAYMAN_RLC_UCODE_SIZE * 4;
729 		mc_req_size = CAYMAN_MC_UCODE_SIZE * 4;
730 		smc_req_size = ALIGN(CAYMAN_SMC_UCODE_SIZE, 4);
731 		break;
732 	case CHIP_ARUBA:
733 		chip_name = "ARUBA";
734 		rlc_chip_name = "ARUBA";
735 		/* pfp/me same size as CAYMAN */
736 		pfp_req_size = CAYMAN_PFP_UCODE_SIZE * 4;
737 		me_req_size = CAYMAN_PM4_UCODE_SIZE * 4;
738 		rlc_req_size = ARUBA_RLC_UCODE_SIZE * 4;
739 		mc_req_size = 0;
740 		break;
741 	default: BUG();
742 	}
743 
744 	DRM_INFO("Loading %s Microcode\n", chip_name);
745 
746 	snprintf(fw_name, sizeof(fw_name), "radeon/%s_pfp.bin", chip_name);
747 	err = request_firmware(&rdev->pfp_fw, fw_name, rdev->dev);
748 	if (err)
749 		goto out;
750 	if (rdev->pfp_fw->size != pfp_req_size) {
751 		printk(KERN_ERR
752 		       "ni_cp: Bogus length %zu in firmware \"%s\"\n",
753 		       rdev->pfp_fw->size, fw_name);
754 		err = -EINVAL;
755 		goto out;
756 	}
757 
758 	snprintf(fw_name, sizeof(fw_name), "radeon/%s_me.bin", chip_name);
759 	err = request_firmware(&rdev->me_fw, fw_name, rdev->dev);
760 	if (err)
761 		goto out;
762 	if (rdev->me_fw->size != me_req_size) {
763 		printk(KERN_ERR
764 		       "ni_cp: Bogus length %zu in firmware \"%s\"\n",
765 		       rdev->me_fw->size, fw_name);
766 		err = -EINVAL;
767 	}
768 
769 	snprintf(fw_name, sizeof(fw_name), "radeon/%s_rlc.bin", rlc_chip_name);
770 	err = request_firmware(&rdev->rlc_fw, fw_name, rdev->dev);
771 	if (err)
772 		goto out;
773 	if (rdev->rlc_fw->size != rlc_req_size) {
774 		printk(KERN_ERR
775 		       "ni_rlc: Bogus length %zu in firmware \"%s\"\n",
776 		       rdev->rlc_fw->size, fw_name);
777 		err = -EINVAL;
778 	}
779 
780 	/* no MC ucode on TN */
781 	if (!(rdev->flags & RADEON_IS_IGP)) {
782 		snprintf(fw_name, sizeof(fw_name), "radeon/%s_mc.bin", chip_name);
783 		err = request_firmware(&rdev->mc_fw, fw_name, rdev->dev);
784 		if (err)
785 			goto out;
786 		if (rdev->mc_fw->size != mc_req_size) {
787 			printk(KERN_ERR
788 			       "ni_mc: Bogus length %zu in firmware \"%s\"\n",
789 			       rdev->mc_fw->size, fw_name);
790 			err = -EINVAL;
791 		}
792 	}
793 
794 	if ((rdev->family >= CHIP_BARTS) && (rdev->family <= CHIP_CAYMAN)) {
795 		snprintf(fw_name, sizeof(fw_name), "radeon/%s_smc.bin", chip_name);
796 		err = request_firmware(&rdev->smc_fw, fw_name, rdev->dev);
797 		if (err) {
798 			printk(KERN_ERR
799 			       "smc: error loading firmware \"%s\"\n",
800 			       fw_name);
801 			release_firmware(rdev->smc_fw);
802 			rdev->smc_fw = NULL;
803 			err = 0;
804 		} else if (rdev->smc_fw->size != smc_req_size) {
805 			printk(KERN_ERR
806 			       "ni_mc: Bogus length %zu in firmware \"%s\"\n",
807 			       rdev->mc_fw->size, fw_name);
808 			err = -EINVAL;
809 		}
810 	}
811 
812 out:
813 	if (err) {
814 		if (err != -EINVAL)
815 			printk(KERN_ERR
816 			       "ni_cp: Failed to load firmware \"%s\"\n",
817 			       fw_name);
818 		release_firmware(rdev->pfp_fw);
819 		rdev->pfp_fw = NULL;
820 		release_firmware(rdev->me_fw);
821 		rdev->me_fw = NULL;
822 		release_firmware(rdev->rlc_fw);
823 		rdev->rlc_fw = NULL;
824 		release_firmware(rdev->mc_fw);
825 		rdev->mc_fw = NULL;
826 	}
827 	return err;
828 }
829 
830 int tn_get_temp(struct radeon_device *rdev)
831 {
832 	u32 temp = RREG32_SMC(TN_CURRENT_GNB_TEMP) & 0x7ff;
833 	int actual_temp = (temp / 8) - 49;
834 
835 	return actual_temp * 1000;
836 }
837 
838 /*
839  * Core functions
840  */
841 static void cayman_gpu_init(struct radeon_device *rdev)
842 {
843 	u32 gb_addr_config = 0;
844 	u32 mc_shared_chmap, mc_arb_ramcfg;
845 	u32 cgts_tcc_disable;
846 	u32 sx_debug_1;
847 	u32 smx_dc_ctl0;
848 	u32 cgts_sm_ctrl_reg;
849 	u32 hdp_host_path_cntl;
850 	u32 tmp;
851 	u32 disabled_rb_mask;
852 	int i, j;
853 
854 	switch (rdev->family) {
855 	case CHIP_CAYMAN:
856 		rdev->config.cayman.max_shader_engines = 2;
857 		rdev->config.cayman.max_pipes_per_simd = 4;
858 		rdev->config.cayman.max_tile_pipes = 8;
859 		rdev->config.cayman.max_simds_per_se = 12;
860 		rdev->config.cayman.max_backends_per_se = 4;
861 		rdev->config.cayman.max_texture_channel_caches = 8;
862 		rdev->config.cayman.max_gprs = 256;
863 		rdev->config.cayman.max_threads = 256;
864 		rdev->config.cayman.max_gs_threads = 32;
865 		rdev->config.cayman.max_stack_entries = 512;
866 		rdev->config.cayman.sx_num_of_sets = 8;
867 		rdev->config.cayman.sx_max_export_size = 256;
868 		rdev->config.cayman.sx_max_export_pos_size = 64;
869 		rdev->config.cayman.sx_max_export_smx_size = 192;
870 		rdev->config.cayman.max_hw_contexts = 8;
871 		rdev->config.cayman.sq_num_cf_insts = 2;
872 
873 		rdev->config.cayman.sc_prim_fifo_size = 0x100;
874 		rdev->config.cayman.sc_hiz_tile_fifo_size = 0x30;
875 		rdev->config.cayman.sc_earlyz_tile_fifo_size = 0x130;
876 		gb_addr_config = CAYMAN_GB_ADDR_CONFIG_GOLDEN;
877 		break;
878 	case CHIP_ARUBA:
879 	default:
880 		rdev->config.cayman.max_shader_engines = 1;
881 		rdev->config.cayman.max_pipes_per_simd = 4;
882 		rdev->config.cayman.max_tile_pipes = 2;
883 		if ((rdev->pdev->device == 0x9900) ||
884 		    (rdev->pdev->device == 0x9901) ||
885 		    (rdev->pdev->device == 0x9905) ||
886 		    (rdev->pdev->device == 0x9906) ||
887 		    (rdev->pdev->device == 0x9907) ||
888 		    (rdev->pdev->device == 0x9908) ||
889 		    (rdev->pdev->device == 0x9909) ||
890 		    (rdev->pdev->device == 0x990B) ||
891 		    (rdev->pdev->device == 0x990C) ||
892 		    (rdev->pdev->device == 0x990F) ||
893 		    (rdev->pdev->device == 0x9910) ||
894 		    (rdev->pdev->device == 0x9917) ||
895 		    (rdev->pdev->device == 0x9999) ||
896 		    (rdev->pdev->device == 0x999C)) {
897 			rdev->config.cayman.max_simds_per_se = 6;
898 			rdev->config.cayman.max_backends_per_se = 2;
899 			rdev->config.cayman.max_hw_contexts = 8;
900 			rdev->config.cayman.sx_max_export_size = 256;
901 			rdev->config.cayman.sx_max_export_pos_size = 64;
902 			rdev->config.cayman.sx_max_export_smx_size = 192;
903 		} else if ((rdev->pdev->device == 0x9903) ||
904 			   (rdev->pdev->device == 0x9904) ||
905 			   (rdev->pdev->device == 0x990A) ||
906 			   (rdev->pdev->device == 0x990D) ||
907 			   (rdev->pdev->device == 0x990E) ||
908 			   (rdev->pdev->device == 0x9913) ||
909 			   (rdev->pdev->device == 0x9918) ||
910 			   (rdev->pdev->device == 0x999D)) {
911 			rdev->config.cayman.max_simds_per_se = 4;
912 			rdev->config.cayman.max_backends_per_se = 2;
913 			rdev->config.cayman.max_hw_contexts = 8;
914 			rdev->config.cayman.sx_max_export_size = 256;
915 			rdev->config.cayman.sx_max_export_pos_size = 64;
916 			rdev->config.cayman.sx_max_export_smx_size = 192;
917 		} else if ((rdev->pdev->device == 0x9919) ||
918 			   (rdev->pdev->device == 0x9990) ||
919 			   (rdev->pdev->device == 0x9991) ||
920 			   (rdev->pdev->device == 0x9994) ||
921 			   (rdev->pdev->device == 0x9995) ||
922 			   (rdev->pdev->device == 0x9996) ||
923 			   (rdev->pdev->device == 0x999A) ||
924 			   (rdev->pdev->device == 0x99A0)) {
925 			rdev->config.cayman.max_simds_per_se = 3;
926 			rdev->config.cayman.max_backends_per_se = 1;
927 			rdev->config.cayman.max_hw_contexts = 4;
928 			rdev->config.cayman.sx_max_export_size = 128;
929 			rdev->config.cayman.sx_max_export_pos_size = 32;
930 			rdev->config.cayman.sx_max_export_smx_size = 96;
931 		} else {
932 			rdev->config.cayman.max_simds_per_se = 2;
933 			rdev->config.cayman.max_backends_per_se = 1;
934 			rdev->config.cayman.max_hw_contexts = 4;
935 			rdev->config.cayman.sx_max_export_size = 128;
936 			rdev->config.cayman.sx_max_export_pos_size = 32;
937 			rdev->config.cayman.sx_max_export_smx_size = 96;
938 		}
939 		rdev->config.cayman.max_texture_channel_caches = 2;
940 		rdev->config.cayman.max_gprs = 256;
941 		rdev->config.cayman.max_threads = 256;
942 		rdev->config.cayman.max_gs_threads = 32;
943 		rdev->config.cayman.max_stack_entries = 512;
944 		rdev->config.cayman.sx_num_of_sets = 8;
945 		rdev->config.cayman.sq_num_cf_insts = 2;
946 
947 		rdev->config.cayman.sc_prim_fifo_size = 0x40;
948 		rdev->config.cayman.sc_hiz_tile_fifo_size = 0x30;
949 		rdev->config.cayman.sc_earlyz_tile_fifo_size = 0x130;
950 		gb_addr_config = ARUBA_GB_ADDR_CONFIG_GOLDEN;
951 		break;
952 	}
953 
954 	/* Initialize HDP */
955 	for (i = 0, j = 0; i < 32; i++, j += 0x18) {
956 		WREG32((0x2c14 + j), 0x00000000);
957 		WREG32((0x2c18 + j), 0x00000000);
958 		WREG32((0x2c1c + j), 0x00000000);
959 		WREG32((0x2c20 + j), 0x00000000);
960 		WREG32((0x2c24 + j), 0x00000000);
961 	}
962 
963 	WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
964 
965 	evergreen_fix_pci_max_read_req_size(rdev);
966 
967 	mc_shared_chmap = RREG32(MC_SHARED_CHMAP);
968 	mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG);
969 
970 	tmp = (mc_arb_ramcfg & NOOFCOLS_MASK) >> NOOFCOLS_SHIFT;
971 	rdev->config.cayman.mem_row_size_in_kb = (4 * (1 << (8 + tmp))) / 1024;
972 	if (rdev->config.cayman.mem_row_size_in_kb > 4)
973 		rdev->config.cayman.mem_row_size_in_kb = 4;
974 	/* XXX use MC settings? */
975 	rdev->config.cayman.shader_engine_tile_size = 32;
976 	rdev->config.cayman.num_gpus = 1;
977 	rdev->config.cayman.multi_gpu_tile_size = 64;
978 
979 	tmp = (gb_addr_config & NUM_PIPES_MASK) >> NUM_PIPES_SHIFT;
980 	rdev->config.cayman.num_tile_pipes = (1 << tmp);
981 	tmp = (gb_addr_config & PIPE_INTERLEAVE_SIZE_MASK) >> PIPE_INTERLEAVE_SIZE_SHIFT;
982 	rdev->config.cayman.mem_max_burst_length_bytes = (tmp + 1) * 256;
983 	tmp = (gb_addr_config & NUM_SHADER_ENGINES_MASK) >> NUM_SHADER_ENGINES_SHIFT;
984 	rdev->config.cayman.num_shader_engines = tmp + 1;
985 	tmp = (gb_addr_config & NUM_GPUS_MASK) >> NUM_GPUS_SHIFT;
986 	rdev->config.cayman.num_gpus = tmp + 1;
987 	tmp = (gb_addr_config & MULTI_GPU_TILE_SIZE_MASK) >> MULTI_GPU_TILE_SIZE_SHIFT;
988 	rdev->config.cayman.multi_gpu_tile_size = 1 << tmp;
989 	tmp = (gb_addr_config & ROW_SIZE_MASK) >> ROW_SIZE_SHIFT;
990 	rdev->config.cayman.mem_row_size_in_kb = 1 << tmp;
991 
992 
993 	/* setup tiling info dword.  gb_addr_config is not adequate since it does
994 	 * not have bank info, so create a custom tiling dword.
995 	 * bits 3:0   num_pipes
996 	 * bits 7:4   num_banks
997 	 * bits 11:8  group_size
998 	 * bits 15:12 row_size
999 	 */
1000 	rdev->config.cayman.tile_config = 0;
1001 	switch (rdev->config.cayman.num_tile_pipes) {
1002 	case 1:
1003 	default:
1004 		rdev->config.cayman.tile_config |= (0 << 0);
1005 		break;
1006 	case 2:
1007 		rdev->config.cayman.tile_config |= (1 << 0);
1008 		break;
1009 	case 4:
1010 		rdev->config.cayman.tile_config |= (2 << 0);
1011 		break;
1012 	case 8:
1013 		rdev->config.cayman.tile_config |= (3 << 0);
1014 		break;
1015 	}
1016 
1017 	/* num banks is 8 on all fusion asics. 0 = 4, 1 = 8, 2 = 16 */
1018 	if (rdev->flags & RADEON_IS_IGP)
1019 		rdev->config.cayman.tile_config |= 1 << 4;
1020 	else {
1021 		switch ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) {
1022 		case 0: /* four banks */
1023 			rdev->config.cayman.tile_config |= 0 << 4;
1024 			break;
1025 		case 1: /* eight banks */
1026 			rdev->config.cayman.tile_config |= 1 << 4;
1027 			break;
1028 		case 2: /* sixteen banks */
1029 		default:
1030 			rdev->config.cayman.tile_config |= 2 << 4;
1031 			break;
1032 		}
1033 	}
1034 	rdev->config.cayman.tile_config |=
1035 		((gb_addr_config & PIPE_INTERLEAVE_SIZE_MASK) >> PIPE_INTERLEAVE_SIZE_SHIFT) << 8;
1036 	rdev->config.cayman.tile_config |=
1037 		((gb_addr_config & ROW_SIZE_MASK) >> ROW_SIZE_SHIFT) << 12;
1038 
1039 	tmp = 0;
1040 	for (i = (rdev->config.cayman.max_shader_engines - 1); i >= 0; i--) {
1041 		u32 rb_disable_bitmap;
1042 
1043 		WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
1044 		WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
1045 		rb_disable_bitmap = (RREG32(CC_RB_BACKEND_DISABLE) & 0x00ff0000) >> 16;
1046 		tmp <<= 4;
1047 		tmp |= rb_disable_bitmap;
1048 	}
1049 	/* enabled rb are just the one not disabled :) */
1050 	disabled_rb_mask = tmp;
1051 	tmp = 0;
1052 	for (i = 0; i < (rdev->config.cayman.max_backends_per_se * rdev->config.cayman.max_shader_engines); i++)
1053 		tmp |= (1 << i);
1054 	/* if all the backends are disabled, fix it up here */
1055 	if ((disabled_rb_mask & tmp) == tmp) {
1056 		for (i = 0; i < (rdev->config.cayman.max_backends_per_se * rdev->config.cayman.max_shader_engines); i++)
1057 			disabled_rb_mask &= ~(1 << i);
1058 	}
1059 
1060 	for (i = 0; i < rdev->config.cayman.max_shader_engines; i++) {
1061 		u32 simd_disable_bitmap;
1062 
1063 		WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
1064 		WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
1065 		simd_disable_bitmap = (RREG32(CC_GC_SHADER_PIPE_CONFIG) & 0xffff0000) >> 16;
1066 		simd_disable_bitmap |= 0xffffffff << rdev->config.cayman.max_simds_per_se;
1067 		tmp <<= 16;
1068 		tmp |= simd_disable_bitmap;
1069 	}
1070 	rdev->config.cayman.active_simds = hweight32(~tmp);
1071 
1072 	WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_BROADCAST_WRITES);
1073 	WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_BROADCAST_WRITES);
1074 
1075 	WREG32(GB_ADDR_CONFIG, gb_addr_config);
1076 	WREG32(DMIF_ADDR_CONFIG, gb_addr_config);
1077 	if (ASIC_IS_DCE6(rdev))
1078 		WREG32(DMIF_ADDR_CALC, gb_addr_config);
1079 	WREG32(HDP_ADDR_CONFIG, gb_addr_config);
1080 	WREG32(DMA_TILING_CONFIG + DMA0_REGISTER_OFFSET, gb_addr_config);
1081 	WREG32(DMA_TILING_CONFIG + DMA1_REGISTER_OFFSET, gb_addr_config);
1082 	WREG32(UVD_UDEC_ADDR_CONFIG, gb_addr_config);
1083 	WREG32(UVD_UDEC_DB_ADDR_CONFIG, gb_addr_config);
1084 	WREG32(UVD_UDEC_DBW_ADDR_CONFIG, gb_addr_config);
1085 
1086 	if ((rdev->config.cayman.max_backends_per_se == 1) &&
1087 	    (rdev->flags & RADEON_IS_IGP)) {
1088 		if ((disabled_rb_mask & 3) == 1) {
1089 			/* RB0 disabled, RB1 enabled */
1090 			tmp = 0x11111111;
1091 		} else {
1092 			/* RB1 disabled, RB0 enabled */
1093 			tmp = 0x00000000;
1094 		}
1095 	} else {
1096 		tmp = gb_addr_config & NUM_PIPES_MASK;
1097 		tmp = r6xx_remap_render_backend(rdev, tmp,
1098 						rdev->config.cayman.max_backends_per_se *
1099 						rdev->config.cayman.max_shader_engines,
1100 						CAYMAN_MAX_BACKENDS, disabled_rb_mask);
1101 	}
1102 	WREG32(GB_BACKEND_MAP, tmp);
1103 
1104 	cgts_tcc_disable = 0xffff0000;
1105 	for (i = 0; i < rdev->config.cayman.max_texture_channel_caches; i++)
1106 		cgts_tcc_disable &= ~(1 << (16 + i));
1107 	WREG32(CGTS_TCC_DISABLE, cgts_tcc_disable);
1108 	WREG32(CGTS_SYS_TCC_DISABLE, cgts_tcc_disable);
1109 	WREG32(CGTS_USER_SYS_TCC_DISABLE, cgts_tcc_disable);
1110 	WREG32(CGTS_USER_TCC_DISABLE, cgts_tcc_disable);
1111 
1112 	/* reprogram the shader complex */
1113 	cgts_sm_ctrl_reg = RREG32(CGTS_SM_CTRL_REG);
1114 	for (i = 0; i < 16; i++)
1115 		WREG32(CGTS_SM_CTRL_REG, OVERRIDE);
1116 	WREG32(CGTS_SM_CTRL_REG, cgts_sm_ctrl_reg);
1117 
1118 	/* set HW defaults for 3D engine */
1119 	WREG32(CP_MEQ_THRESHOLDS, MEQ1_START(0x30) | MEQ2_START(0x60));
1120 
1121 	sx_debug_1 = RREG32(SX_DEBUG_1);
1122 	sx_debug_1 |= ENABLE_NEW_SMX_ADDRESS;
1123 	WREG32(SX_DEBUG_1, sx_debug_1);
1124 
1125 	smx_dc_ctl0 = RREG32(SMX_DC_CTL0);
1126 	smx_dc_ctl0 &= ~NUMBER_OF_SETS(0x1ff);
1127 	smx_dc_ctl0 |= NUMBER_OF_SETS(rdev->config.cayman.sx_num_of_sets);
1128 	WREG32(SMX_DC_CTL0, smx_dc_ctl0);
1129 
1130 	WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(4) | CRC_SIMD_ID_WADDR_DISABLE);
1131 
1132 	/* need to be explicitly zero-ed */
1133 	WREG32(VGT_OFFCHIP_LDS_BASE, 0);
1134 	WREG32(SQ_LSTMP_RING_BASE, 0);
1135 	WREG32(SQ_HSTMP_RING_BASE, 0);
1136 	WREG32(SQ_ESTMP_RING_BASE, 0);
1137 	WREG32(SQ_GSTMP_RING_BASE, 0);
1138 	WREG32(SQ_VSTMP_RING_BASE, 0);
1139 	WREG32(SQ_PSTMP_RING_BASE, 0);
1140 
1141 	WREG32(TA_CNTL_AUX, DISABLE_CUBE_ANISO);
1142 
1143 	WREG32(SX_EXPORT_BUFFER_SIZES, (COLOR_BUFFER_SIZE((rdev->config.cayman.sx_max_export_size / 4) - 1) |
1144 					POSITION_BUFFER_SIZE((rdev->config.cayman.sx_max_export_pos_size / 4) - 1) |
1145 					SMX_BUFFER_SIZE((rdev->config.cayman.sx_max_export_smx_size / 4) - 1)));
1146 
1147 	WREG32(PA_SC_FIFO_SIZE, (SC_PRIM_FIFO_SIZE(rdev->config.cayman.sc_prim_fifo_size) |
1148 				 SC_HIZ_TILE_FIFO_SIZE(rdev->config.cayman.sc_hiz_tile_fifo_size) |
1149 				 SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.cayman.sc_earlyz_tile_fifo_size)));
1150 
1151 
1152 	WREG32(VGT_NUM_INSTANCES, 1);
1153 
1154 	WREG32(CP_PERFMON_CNTL, 0);
1155 
1156 	WREG32(SQ_MS_FIFO_SIZES, (CACHE_FIFO_SIZE(16 * rdev->config.cayman.sq_num_cf_insts) |
1157 				  FETCH_FIFO_HIWATER(0x4) |
1158 				  DONE_FIFO_HIWATER(0xe0) |
1159 				  ALU_UPDATE_FIFO_HIWATER(0x8)));
1160 
1161 	WREG32(SQ_GPR_RESOURCE_MGMT_1, NUM_CLAUSE_TEMP_GPRS(4));
1162 	WREG32(SQ_CONFIG, (VC_ENABLE |
1163 			   EXPORT_SRC_C |
1164 			   GFX_PRIO(0) |
1165 			   CS1_PRIO(0) |
1166 			   CS2_PRIO(1)));
1167 	WREG32(SQ_DYN_GPR_CNTL_PS_FLUSH_REQ, DYN_GPR_ENABLE);
1168 
1169 	WREG32(PA_SC_FORCE_EOV_MAX_CNTS, (FORCE_EOV_MAX_CLK_CNT(4095) |
1170 					  FORCE_EOV_MAX_REZ_CNT(255)));
1171 
1172 	WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(VC_AND_TC) |
1173 	       AUTO_INVLD_EN(ES_AND_GS_AUTO));
1174 
1175 	WREG32(VGT_GS_VERTEX_REUSE, 16);
1176 	WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
1177 
1178 	WREG32(CB_PERF_CTR0_SEL_0, 0);
1179 	WREG32(CB_PERF_CTR0_SEL_1, 0);
1180 	WREG32(CB_PERF_CTR1_SEL_0, 0);
1181 	WREG32(CB_PERF_CTR1_SEL_1, 0);
1182 	WREG32(CB_PERF_CTR2_SEL_0, 0);
1183 	WREG32(CB_PERF_CTR2_SEL_1, 0);
1184 	WREG32(CB_PERF_CTR3_SEL_0, 0);
1185 	WREG32(CB_PERF_CTR3_SEL_1, 0);
1186 
1187 	tmp = RREG32(HDP_MISC_CNTL);
1188 	tmp |= HDP_FLUSH_INVALIDATE_CACHE;
1189 	WREG32(HDP_MISC_CNTL, tmp);
1190 
1191 	hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL);
1192 	WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
1193 
1194 	WREG32(PA_CL_ENHANCE, CLIP_VTX_REORDER_ENA | NUM_CLIP_SEQ(3));
1195 
1196 	udelay(50);
1197 
1198 	/* set clockgating golden values on TN */
1199 	if (rdev->family == CHIP_ARUBA) {
1200 		tmp = RREG32_CG(CG_CGTT_LOCAL_0);
1201 		tmp &= ~0x00380000;
1202 		WREG32_CG(CG_CGTT_LOCAL_0, tmp);
1203                 tmp = RREG32_CG(CG_CGTT_LOCAL_1);
1204 		tmp &= ~0x0e000000;
1205 		WREG32_CG(CG_CGTT_LOCAL_1, tmp);
1206 	}
1207 }
1208 
1209 /*
1210  * GART
1211  */
1212 void cayman_pcie_gart_tlb_flush(struct radeon_device *rdev)
1213 {
1214 	/* flush hdp cache */
1215 	WREG32(HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
1216 
1217 	/* bits 0-7 are the VM contexts0-7 */
1218 	WREG32(VM_INVALIDATE_REQUEST, 1);
1219 }
1220 
1221 static int cayman_pcie_gart_enable(struct radeon_device *rdev)
1222 {
1223 	int i, r;
1224 
1225 	if (rdev->gart.robj == NULL) {
1226 		dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
1227 		return -EINVAL;
1228 	}
1229 	r = radeon_gart_table_vram_pin(rdev);
1230 	if (r)
1231 		return r;
1232 	radeon_gart_restore(rdev);
1233 	/* Setup TLB control */
1234 	WREG32(MC_VM_MX_L1_TLB_CNTL,
1235 	       (0xA << 7) |
1236 	       ENABLE_L1_TLB |
1237 	       ENABLE_L1_FRAGMENT_PROCESSING |
1238 	       SYSTEM_ACCESS_MODE_NOT_IN_SYS |
1239 	       ENABLE_ADVANCED_DRIVER_MODEL |
1240 	       SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU);
1241 	/* Setup L2 cache */
1242 	WREG32(VM_L2_CNTL, ENABLE_L2_CACHE |
1243 	       ENABLE_L2_FRAGMENT_PROCESSING |
1244 	       ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
1245 	       ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE |
1246 	       EFFECTIVE_L2_QUEUE_SIZE(7) |
1247 	       CONTEXT1_IDENTITY_ACCESS_MODE(1));
1248 	WREG32(VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS | INVALIDATE_L2_CACHE);
1249 	WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY |
1250 	       BANK_SELECT(6) |
1251 	       L2_CACHE_BIGK_FRAGMENT_SIZE(6));
1252 	/* setup context0 */
1253 	WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
1254 	WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
1255 	WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
1256 	WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
1257 			(u32)(rdev->dummy_page.addr >> 12));
1258 	WREG32(VM_CONTEXT0_CNTL2, 0);
1259 	WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
1260 				RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
1261 
1262 	WREG32(0x15D4, 0);
1263 	WREG32(0x15D8, 0);
1264 	WREG32(0x15DC, 0);
1265 
1266 	/* empty context1-7 */
1267 	/* Assign the pt base to something valid for now; the pts used for
1268 	 * the VMs are determined by the application and setup and assigned
1269 	 * on the fly in the vm part of radeon_gart.c
1270 	 */
1271 	for (i = 1; i < 8; i++) {
1272 		WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR + (i << 2), 0);
1273 		WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR + (i << 2), rdev->vm_manager.max_pfn);
1274 		WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (i << 2),
1275 			rdev->gart.table_addr >> 12);
1276 	}
1277 
1278 	/* enable context1-7 */
1279 	WREG32(VM_CONTEXT1_PROTECTION_FAULT_DEFAULT_ADDR,
1280 	       (u32)(rdev->dummy_page.addr >> 12));
1281 	WREG32(VM_CONTEXT1_CNTL2, 4);
1282 	WREG32(VM_CONTEXT1_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(1) |
1283 				PAGE_TABLE_BLOCK_SIZE(radeon_vm_block_size - 9) |
1284 				RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT |
1285 				RANGE_PROTECTION_FAULT_ENABLE_DEFAULT |
1286 				DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT |
1287 				DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT |
1288 				PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT |
1289 				PDE0_PROTECTION_FAULT_ENABLE_DEFAULT |
1290 				VALID_PROTECTION_FAULT_ENABLE_INTERRUPT |
1291 				VALID_PROTECTION_FAULT_ENABLE_DEFAULT |
1292 				READ_PROTECTION_FAULT_ENABLE_INTERRUPT |
1293 				READ_PROTECTION_FAULT_ENABLE_DEFAULT |
1294 				WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT |
1295 				WRITE_PROTECTION_FAULT_ENABLE_DEFAULT);
1296 
1297 	cayman_pcie_gart_tlb_flush(rdev);
1298 	DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
1299 		 (unsigned)(rdev->mc.gtt_size >> 20),
1300 		 (unsigned long long)rdev->gart.table_addr);
1301 	rdev->gart.ready = true;
1302 	return 0;
1303 }
1304 
1305 static void cayman_pcie_gart_disable(struct radeon_device *rdev)
1306 {
1307 	/* Disable all tables */
1308 	WREG32(VM_CONTEXT0_CNTL, 0);
1309 	WREG32(VM_CONTEXT1_CNTL, 0);
1310 	/* Setup TLB control */
1311 	WREG32(MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_FRAGMENT_PROCESSING |
1312 	       SYSTEM_ACCESS_MODE_NOT_IN_SYS |
1313 	       SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU);
1314 	/* Setup L2 cache */
1315 	WREG32(VM_L2_CNTL, ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
1316 	       ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE |
1317 	       EFFECTIVE_L2_QUEUE_SIZE(7) |
1318 	       CONTEXT1_IDENTITY_ACCESS_MODE(1));
1319 	WREG32(VM_L2_CNTL2, 0);
1320 	WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY |
1321 	       L2_CACHE_BIGK_FRAGMENT_SIZE(6));
1322 	radeon_gart_table_vram_unpin(rdev);
1323 }
1324 
1325 static void cayman_pcie_gart_fini(struct radeon_device *rdev)
1326 {
1327 	cayman_pcie_gart_disable(rdev);
1328 	radeon_gart_table_vram_free(rdev);
1329 	radeon_gart_fini(rdev);
1330 }
1331 
1332 void cayman_cp_int_cntl_setup(struct radeon_device *rdev,
1333 			      int ring, u32 cp_int_cntl)
1334 {
1335 	u32 srbm_gfx_cntl = RREG32(SRBM_GFX_CNTL) & ~3;
1336 
1337 	WREG32(SRBM_GFX_CNTL, srbm_gfx_cntl | (ring & 3));
1338 	WREG32(CP_INT_CNTL, cp_int_cntl);
1339 }
1340 
1341 /*
1342  * CP.
1343  */
1344 void cayman_fence_ring_emit(struct radeon_device *rdev,
1345 			    struct radeon_fence *fence)
1346 {
1347 	struct radeon_ring *ring = &rdev->ring[fence->ring];
1348 	u64 addr = rdev->fence_drv[fence->ring].gpu_addr;
1349 	u32 cp_coher_cntl = PACKET3_FULL_CACHE_ENA | PACKET3_TC_ACTION_ENA |
1350 		PACKET3_SH_ACTION_ENA;
1351 
1352 	/* flush read cache over gart for this vmid */
1353 	radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
1354 	radeon_ring_write(ring, PACKET3_ENGINE_ME | cp_coher_cntl);
1355 	radeon_ring_write(ring, 0xFFFFFFFF);
1356 	radeon_ring_write(ring, 0);
1357 	radeon_ring_write(ring, 10); /* poll interval */
1358 	/* EVENT_WRITE_EOP - flush caches, send int */
1359 	radeon_ring_write(ring, PACKET3(PACKET3_EVENT_WRITE_EOP, 4));
1360 	radeon_ring_write(ring, EVENT_TYPE(CACHE_FLUSH_AND_INV_EVENT_TS) | EVENT_INDEX(5));
1361 	radeon_ring_write(ring, lower_32_bits(addr));
1362 	radeon_ring_write(ring, (upper_32_bits(addr) & 0xff) | DATA_SEL(1) | INT_SEL(2));
1363 	radeon_ring_write(ring, fence->seq);
1364 	radeon_ring_write(ring, 0);
1365 }
1366 
1367 void cayman_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
1368 {
1369 	struct radeon_ring *ring = &rdev->ring[ib->ring];
1370 	u32 cp_coher_cntl = PACKET3_FULL_CACHE_ENA | PACKET3_TC_ACTION_ENA |
1371 		PACKET3_SH_ACTION_ENA;
1372 
1373 	/* set to DX10/11 mode */
1374 	radeon_ring_write(ring, PACKET3(PACKET3_MODE_CONTROL, 0));
1375 	radeon_ring_write(ring, 1);
1376 
1377 	if (ring->rptr_save_reg) {
1378 		uint32_t next_rptr = ring->wptr + 3 + 4 + 8;
1379 		radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
1380 		radeon_ring_write(ring, ((ring->rptr_save_reg -
1381 					  PACKET3_SET_CONFIG_REG_START) >> 2));
1382 		radeon_ring_write(ring, next_rptr);
1383 	}
1384 
1385 	radeon_ring_write(ring, PACKET3(PACKET3_INDIRECT_BUFFER, 2));
1386 	radeon_ring_write(ring,
1387 #ifdef __BIG_ENDIAN
1388 			  (2 << 0) |
1389 #endif
1390 			  (ib->gpu_addr & 0xFFFFFFFC));
1391 	radeon_ring_write(ring, upper_32_bits(ib->gpu_addr) & 0xFF);
1392 	radeon_ring_write(ring, ib->length_dw |
1393 			  (ib->vm ? (ib->vm->id << 24) : 0));
1394 
1395 	/* flush read cache over gart for this vmid */
1396 	radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
1397 	radeon_ring_write(ring, PACKET3_ENGINE_ME | cp_coher_cntl);
1398 	radeon_ring_write(ring, 0xFFFFFFFF);
1399 	radeon_ring_write(ring, 0);
1400 	radeon_ring_write(ring, ((ib->vm ? ib->vm->id : 0) << 24) | 10); /* poll interval */
1401 }
1402 
1403 static void cayman_cp_enable(struct radeon_device *rdev, bool enable)
1404 {
1405 	if (enable)
1406 		WREG32(CP_ME_CNTL, 0);
1407 	else {
1408 		if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX)
1409 			radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
1410 		WREG32(CP_ME_CNTL, (CP_ME_HALT | CP_PFP_HALT));
1411 		WREG32(SCRATCH_UMSK, 0);
1412 		rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
1413 	}
1414 }
1415 
1416 u32 cayman_gfx_get_rptr(struct radeon_device *rdev,
1417 			struct radeon_ring *ring)
1418 {
1419 	u32 rptr;
1420 
1421 	if (rdev->wb.enabled)
1422 		rptr = rdev->wb.wb[ring->rptr_offs/4];
1423 	else {
1424 		if (ring->idx == RADEON_RING_TYPE_GFX_INDEX)
1425 			rptr = RREG32(CP_RB0_RPTR);
1426 		else if (ring->idx == CAYMAN_RING_TYPE_CP1_INDEX)
1427 			rptr = RREG32(CP_RB1_RPTR);
1428 		else
1429 			rptr = RREG32(CP_RB2_RPTR);
1430 	}
1431 
1432 	return rptr;
1433 }
1434 
1435 u32 cayman_gfx_get_wptr(struct radeon_device *rdev,
1436 			struct radeon_ring *ring)
1437 {
1438 	u32 wptr;
1439 
1440 	if (ring->idx == RADEON_RING_TYPE_GFX_INDEX)
1441 		wptr = RREG32(CP_RB0_WPTR);
1442 	else if (ring->idx == CAYMAN_RING_TYPE_CP1_INDEX)
1443 		wptr = RREG32(CP_RB1_WPTR);
1444 	else
1445 		wptr = RREG32(CP_RB2_WPTR);
1446 
1447 	return wptr;
1448 }
1449 
1450 void cayman_gfx_set_wptr(struct radeon_device *rdev,
1451 			 struct radeon_ring *ring)
1452 {
1453 	if (ring->idx == RADEON_RING_TYPE_GFX_INDEX) {
1454 		WREG32(CP_RB0_WPTR, ring->wptr);
1455 		(void)RREG32(CP_RB0_WPTR);
1456 	} else if (ring->idx == CAYMAN_RING_TYPE_CP1_INDEX) {
1457 		WREG32(CP_RB1_WPTR, ring->wptr);
1458 		(void)RREG32(CP_RB1_WPTR);
1459 	} else {
1460 		WREG32(CP_RB2_WPTR, ring->wptr);
1461 		(void)RREG32(CP_RB2_WPTR);
1462 	}
1463 }
1464 
1465 static int cayman_cp_load_microcode(struct radeon_device *rdev)
1466 {
1467 	const __be32 *fw_data;
1468 	int i;
1469 
1470 	if (!rdev->me_fw || !rdev->pfp_fw)
1471 		return -EINVAL;
1472 
1473 	cayman_cp_enable(rdev, false);
1474 
1475 	fw_data = (const __be32 *)rdev->pfp_fw->data;
1476 	WREG32(CP_PFP_UCODE_ADDR, 0);
1477 	for (i = 0; i < CAYMAN_PFP_UCODE_SIZE; i++)
1478 		WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++));
1479 	WREG32(CP_PFP_UCODE_ADDR, 0);
1480 
1481 	fw_data = (const __be32 *)rdev->me_fw->data;
1482 	WREG32(CP_ME_RAM_WADDR, 0);
1483 	for (i = 0; i < CAYMAN_PM4_UCODE_SIZE; i++)
1484 		WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++));
1485 
1486 	WREG32(CP_PFP_UCODE_ADDR, 0);
1487 	WREG32(CP_ME_RAM_WADDR, 0);
1488 	WREG32(CP_ME_RAM_RADDR, 0);
1489 	return 0;
1490 }
1491 
1492 static int cayman_cp_start(struct radeon_device *rdev)
1493 {
1494 	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1495 	int r, i;
1496 
1497 	r = radeon_ring_lock(rdev, ring, 7);
1498 	if (r) {
1499 		DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
1500 		return r;
1501 	}
1502 	radeon_ring_write(ring, PACKET3(PACKET3_ME_INITIALIZE, 5));
1503 	radeon_ring_write(ring, 0x1);
1504 	radeon_ring_write(ring, 0x0);
1505 	radeon_ring_write(ring, rdev->config.cayman.max_hw_contexts - 1);
1506 	radeon_ring_write(ring, PACKET3_ME_INITIALIZE_DEVICE_ID(1));
1507 	radeon_ring_write(ring, 0);
1508 	radeon_ring_write(ring, 0);
1509 	radeon_ring_unlock_commit(rdev, ring);
1510 
1511 	cayman_cp_enable(rdev, true);
1512 
1513 	r = radeon_ring_lock(rdev, ring, cayman_default_size + 19);
1514 	if (r) {
1515 		DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
1516 		return r;
1517 	}
1518 
1519 	/* setup clear context state */
1520 	radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
1521 	radeon_ring_write(ring, PACKET3_PREAMBLE_BEGIN_CLEAR_STATE);
1522 
1523 	for (i = 0; i < cayman_default_size; i++)
1524 		radeon_ring_write(ring, cayman_default_state[i]);
1525 
1526 	radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
1527 	radeon_ring_write(ring, PACKET3_PREAMBLE_END_CLEAR_STATE);
1528 
1529 	/* set clear context state */
1530 	radeon_ring_write(ring, PACKET3(PACKET3_CLEAR_STATE, 0));
1531 	radeon_ring_write(ring, 0);
1532 
1533 	/* SQ_VTX_BASE_VTX_LOC */
1534 	radeon_ring_write(ring, 0xc0026f00);
1535 	radeon_ring_write(ring, 0x00000000);
1536 	radeon_ring_write(ring, 0x00000000);
1537 	radeon_ring_write(ring, 0x00000000);
1538 
1539 	/* Clear consts */
1540 	radeon_ring_write(ring, 0xc0036f00);
1541 	radeon_ring_write(ring, 0x00000bc4);
1542 	radeon_ring_write(ring, 0xffffffff);
1543 	radeon_ring_write(ring, 0xffffffff);
1544 	radeon_ring_write(ring, 0xffffffff);
1545 
1546 	radeon_ring_write(ring, 0xc0026900);
1547 	radeon_ring_write(ring, 0x00000316);
1548 	radeon_ring_write(ring, 0x0000000e); /* VGT_VERTEX_REUSE_BLOCK_CNTL */
1549 	radeon_ring_write(ring, 0x00000010); /*  */
1550 
1551 	radeon_ring_unlock_commit(rdev, ring);
1552 
1553 	/* XXX init other rings */
1554 
1555 	return 0;
1556 }
1557 
1558 static void cayman_cp_fini(struct radeon_device *rdev)
1559 {
1560 	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1561 	cayman_cp_enable(rdev, false);
1562 	radeon_ring_fini(rdev, ring);
1563 	radeon_scratch_free(rdev, ring->rptr_save_reg);
1564 }
1565 
1566 static int cayman_cp_resume(struct radeon_device *rdev)
1567 {
1568 	static const int ridx[] = {
1569 		RADEON_RING_TYPE_GFX_INDEX,
1570 		CAYMAN_RING_TYPE_CP1_INDEX,
1571 		CAYMAN_RING_TYPE_CP2_INDEX
1572 	};
1573 	static const unsigned cp_rb_cntl[] = {
1574 		CP_RB0_CNTL,
1575 		CP_RB1_CNTL,
1576 		CP_RB2_CNTL,
1577 	};
1578 	static const unsigned cp_rb_rptr_addr[] = {
1579 		CP_RB0_RPTR_ADDR,
1580 		CP_RB1_RPTR_ADDR,
1581 		CP_RB2_RPTR_ADDR
1582 	};
1583 	static const unsigned cp_rb_rptr_addr_hi[] = {
1584 		CP_RB0_RPTR_ADDR_HI,
1585 		CP_RB1_RPTR_ADDR_HI,
1586 		CP_RB2_RPTR_ADDR_HI
1587 	};
1588 	static const unsigned cp_rb_base[] = {
1589 		CP_RB0_BASE,
1590 		CP_RB1_BASE,
1591 		CP_RB2_BASE
1592 	};
1593 	static const unsigned cp_rb_rptr[] = {
1594 		CP_RB0_RPTR,
1595 		CP_RB1_RPTR,
1596 		CP_RB2_RPTR
1597 	};
1598 	static const unsigned cp_rb_wptr[] = {
1599 		CP_RB0_WPTR,
1600 		CP_RB1_WPTR,
1601 		CP_RB2_WPTR
1602 	};
1603 	struct radeon_ring *ring;
1604 	int i, r;
1605 
1606 	/* Reset cp; if cp is reset, then PA, SH, VGT also need to be reset */
1607 	WREG32(GRBM_SOFT_RESET, (SOFT_RESET_CP |
1608 				 SOFT_RESET_PA |
1609 				 SOFT_RESET_SH |
1610 				 SOFT_RESET_VGT |
1611 				 SOFT_RESET_SPI |
1612 				 SOFT_RESET_SX));
1613 	RREG32(GRBM_SOFT_RESET);
1614 	mdelay(15);
1615 	WREG32(GRBM_SOFT_RESET, 0);
1616 	RREG32(GRBM_SOFT_RESET);
1617 
1618 	WREG32(CP_SEM_WAIT_TIMER, 0x0);
1619 	WREG32(CP_SEM_INCOMPLETE_TIMER_CNTL, 0x0);
1620 
1621 	/* Set the write pointer delay */
1622 	WREG32(CP_RB_WPTR_DELAY, 0);
1623 
1624 	WREG32(CP_DEBUG, (1 << 27));
1625 
1626 	/* set the wb address whether it's enabled or not */
1627 	WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF);
1628 	WREG32(SCRATCH_UMSK, 0xff);
1629 
1630 	for (i = 0; i < 3; ++i) {
1631 		uint32_t rb_cntl;
1632 		uint64_t addr;
1633 
1634 		/* Set ring buffer size */
1635 		ring = &rdev->ring[ridx[i]];
1636 		rb_cntl = order_base_2(ring->ring_size / 8);
1637 		rb_cntl |= order_base_2(RADEON_GPU_PAGE_SIZE/8) << 8;
1638 #ifdef __BIG_ENDIAN
1639 		rb_cntl |= BUF_SWAP_32BIT;
1640 #endif
1641 		WREG32(cp_rb_cntl[i], rb_cntl);
1642 
1643 		/* set the wb address whether it's enabled or not */
1644 		addr = rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET;
1645 		WREG32(cp_rb_rptr_addr[i], addr & 0xFFFFFFFC);
1646 		WREG32(cp_rb_rptr_addr_hi[i], upper_32_bits(addr) & 0xFF);
1647 	}
1648 
1649 	/* set the rb base addr, this causes an internal reset of ALL rings */
1650 	for (i = 0; i < 3; ++i) {
1651 		ring = &rdev->ring[ridx[i]];
1652 		WREG32(cp_rb_base[i], ring->gpu_addr >> 8);
1653 	}
1654 
1655 	for (i = 0; i < 3; ++i) {
1656 		/* Initialize the ring buffer's read and write pointers */
1657 		ring = &rdev->ring[ridx[i]];
1658 		WREG32_P(cp_rb_cntl[i], RB_RPTR_WR_ENA, ~RB_RPTR_WR_ENA);
1659 
1660 		ring->wptr = 0;
1661 		WREG32(cp_rb_rptr[i], 0);
1662 		WREG32(cp_rb_wptr[i], ring->wptr);
1663 
1664 		mdelay(1);
1665 		WREG32_P(cp_rb_cntl[i], 0, ~RB_RPTR_WR_ENA);
1666 	}
1667 
1668 	/* start the rings */
1669 	cayman_cp_start(rdev);
1670 	rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = true;
1671 	rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false;
1672 	rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false;
1673 	/* this only test cp0 */
1674 	r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]);
1675 	if (r) {
1676 		rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
1677 		rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false;
1678 		rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false;
1679 		return r;
1680 	}
1681 
1682 	if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX)
1683 		radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size);
1684 
1685 	return 0;
1686 }
1687 
1688 u32 cayman_gpu_check_soft_reset(struct radeon_device *rdev)
1689 {
1690 	u32 reset_mask = 0;
1691 	u32 tmp;
1692 
1693 	/* GRBM_STATUS */
1694 	tmp = RREG32(GRBM_STATUS);
1695 	if (tmp & (PA_BUSY | SC_BUSY |
1696 		   SH_BUSY | SX_BUSY |
1697 		   TA_BUSY | VGT_BUSY |
1698 		   DB_BUSY | CB_BUSY |
1699 		   GDS_BUSY | SPI_BUSY |
1700 		   IA_BUSY | IA_BUSY_NO_DMA))
1701 		reset_mask |= RADEON_RESET_GFX;
1702 
1703 	if (tmp & (CF_RQ_PENDING | PF_RQ_PENDING |
1704 		   CP_BUSY | CP_COHERENCY_BUSY))
1705 		reset_mask |= RADEON_RESET_CP;
1706 
1707 	if (tmp & GRBM_EE_BUSY)
1708 		reset_mask |= RADEON_RESET_GRBM | RADEON_RESET_GFX | RADEON_RESET_CP;
1709 
1710 	/* DMA_STATUS_REG 0 */
1711 	tmp = RREG32(DMA_STATUS_REG + DMA0_REGISTER_OFFSET);
1712 	if (!(tmp & DMA_IDLE))
1713 		reset_mask |= RADEON_RESET_DMA;
1714 
1715 	/* DMA_STATUS_REG 1 */
1716 	tmp = RREG32(DMA_STATUS_REG + DMA1_REGISTER_OFFSET);
1717 	if (!(tmp & DMA_IDLE))
1718 		reset_mask |= RADEON_RESET_DMA1;
1719 
1720 	/* SRBM_STATUS2 */
1721 	tmp = RREG32(SRBM_STATUS2);
1722 	if (tmp & DMA_BUSY)
1723 		reset_mask |= RADEON_RESET_DMA;
1724 
1725 	if (tmp & DMA1_BUSY)
1726 		reset_mask |= RADEON_RESET_DMA1;
1727 
1728 	/* SRBM_STATUS */
1729 	tmp = RREG32(SRBM_STATUS);
1730 	if (tmp & (RLC_RQ_PENDING | RLC_BUSY))
1731 		reset_mask |= RADEON_RESET_RLC;
1732 
1733 	if (tmp & IH_BUSY)
1734 		reset_mask |= RADEON_RESET_IH;
1735 
1736 	if (tmp & SEM_BUSY)
1737 		reset_mask |= RADEON_RESET_SEM;
1738 
1739 	if (tmp & GRBM_RQ_PENDING)
1740 		reset_mask |= RADEON_RESET_GRBM;
1741 
1742 	if (tmp & VMC_BUSY)
1743 		reset_mask |= RADEON_RESET_VMC;
1744 
1745 	if (tmp & (MCB_BUSY | MCB_NON_DISPLAY_BUSY |
1746 		   MCC_BUSY | MCD_BUSY))
1747 		reset_mask |= RADEON_RESET_MC;
1748 
1749 	if (evergreen_is_display_hung(rdev))
1750 		reset_mask |= RADEON_RESET_DISPLAY;
1751 
1752 	/* VM_L2_STATUS */
1753 	tmp = RREG32(VM_L2_STATUS);
1754 	if (tmp & L2_BUSY)
1755 		reset_mask |= RADEON_RESET_VMC;
1756 
1757 	/* Skip MC reset as it's mostly likely not hung, just busy */
1758 	if (reset_mask & RADEON_RESET_MC) {
1759 		DRM_DEBUG("MC busy: 0x%08X, clearing.\n", reset_mask);
1760 		reset_mask &= ~RADEON_RESET_MC;
1761 	}
1762 
1763 	return reset_mask;
1764 }
1765 
1766 static void cayman_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask)
1767 {
1768 	struct evergreen_mc_save save;
1769 	u32 grbm_soft_reset = 0, srbm_soft_reset = 0;
1770 	u32 tmp;
1771 
1772 	if (reset_mask == 0)
1773 		return;
1774 
1775 	dev_info(rdev->dev, "GPU softreset: 0x%08X\n", reset_mask);
1776 
1777 	evergreen_print_gpu_status_regs(rdev);
1778 	dev_info(rdev->dev, "  VM_CONTEXT0_PROTECTION_FAULT_ADDR   0x%08X\n",
1779 		 RREG32(0x14F8));
1780 	dev_info(rdev->dev, "  VM_CONTEXT0_PROTECTION_FAULT_STATUS 0x%08X\n",
1781 		 RREG32(0x14D8));
1782 	dev_info(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_ADDR   0x%08X\n",
1783 		 RREG32(0x14FC));
1784 	dev_info(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n",
1785 		 RREG32(0x14DC));
1786 
1787 	/* Disable CP parsing/prefetching */
1788 	WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT);
1789 
1790 	if (reset_mask & RADEON_RESET_DMA) {
1791 		/* dma0 */
1792 		tmp = RREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET);
1793 		tmp &= ~DMA_RB_ENABLE;
1794 		WREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET, tmp);
1795 	}
1796 
1797 	if (reset_mask & RADEON_RESET_DMA1) {
1798 		/* dma1 */
1799 		tmp = RREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET);
1800 		tmp &= ~DMA_RB_ENABLE;
1801 		WREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET, tmp);
1802 	}
1803 
1804 	udelay(50);
1805 
1806 	evergreen_mc_stop(rdev, &save);
1807 	if (evergreen_mc_wait_for_idle(rdev)) {
1808 		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1809 	}
1810 
1811 	if (reset_mask & (RADEON_RESET_GFX | RADEON_RESET_COMPUTE)) {
1812 		grbm_soft_reset = SOFT_RESET_CB |
1813 			SOFT_RESET_DB |
1814 			SOFT_RESET_GDS |
1815 			SOFT_RESET_PA |
1816 			SOFT_RESET_SC |
1817 			SOFT_RESET_SPI |
1818 			SOFT_RESET_SH |
1819 			SOFT_RESET_SX |
1820 			SOFT_RESET_TC |
1821 			SOFT_RESET_TA |
1822 			SOFT_RESET_VGT |
1823 			SOFT_RESET_IA;
1824 	}
1825 
1826 	if (reset_mask & RADEON_RESET_CP) {
1827 		grbm_soft_reset |= SOFT_RESET_CP | SOFT_RESET_VGT;
1828 
1829 		srbm_soft_reset |= SOFT_RESET_GRBM;
1830 	}
1831 
1832 	if (reset_mask & RADEON_RESET_DMA)
1833 		srbm_soft_reset |= SOFT_RESET_DMA;
1834 
1835 	if (reset_mask & RADEON_RESET_DMA1)
1836 		srbm_soft_reset |= SOFT_RESET_DMA1;
1837 
1838 	if (reset_mask & RADEON_RESET_DISPLAY)
1839 		srbm_soft_reset |= SOFT_RESET_DC;
1840 
1841 	if (reset_mask & RADEON_RESET_RLC)
1842 		srbm_soft_reset |= SOFT_RESET_RLC;
1843 
1844 	if (reset_mask & RADEON_RESET_SEM)
1845 		srbm_soft_reset |= SOFT_RESET_SEM;
1846 
1847 	if (reset_mask & RADEON_RESET_IH)
1848 		srbm_soft_reset |= SOFT_RESET_IH;
1849 
1850 	if (reset_mask & RADEON_RESET_GRBM)
1851 		srbm_soft_reset |= SOFT_RESET_GRBM;
1852 
1853 	if (reset_mask & RADEON_RESET_VMC)
1854 		srbm_soft_reset |= SOFT_RESET_VMC;
1855 
1856 	if (!(rdev->flags & RADEON_IS_IGP)) {
1857 		if (reset_mask & RADEON_RESET_MC)
1858 			srbm_soft_reset |= SOFT_RESET_MC;
1859 	}
1860 
1861 	if (grbm_soft_reset) {
1862 		tmp = RREG32(GRBM_SOFT_RESET);
1863 		tmp |= grbm_soft_reset;
1864 		dev_info(rdev->dev, "GRBM_SOFT_RESET=0x%08X\n", tmp);
1865 		WREG32(GRBM_SOFT_RESET, tmp);
1866 		tmp = RREG32(GRBM_SOFT_RESET);
1867 
1868 		udelay(50);
1869 
1870 		tmp &= ~grbm_soft_reset;
1871 		WREG32(GRBM_SOFT_RESET, tmp);
1872 		tmp = RREG32(GRBM_SOFT_RESET);
1873 	}
1874 
1875 	if (srbm_soft_reset) {
1876 		tmp = RREG32(SRBM_SOFT_RESET);
1877 		tmp |= srbm_soft_reset;
1878 		dev_info(rdev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
1879 		WREG32(SRBM_SOFT_RESET, tmp);
1880 		tmp = RREG32(SRBM_SOFT_RESET);
1881 
1882 		udelay(50);
1883 
1884 		tmp &= ~srbm_soft_reset;
1885 		WREG32(SRBM_SOFT_RESET, tmp);
1886 		tmp = RREG32(SRBM_SOFT_RESET);
1887 	}
1888 
1889 	/* Wait a little for things to settle down */
1890 	udelay(50);
1891 
1892 	evergreen_mc_resume(rdev, &save);
1893 	udelay(50);
1894 
1895 	evergreen_print_gpu_status_regs(rdev);
1896 }
1897 
1898 int cayman_asic_reset(struct radeon_device *rdev)
1899 {
1900 	u32 reset_mask;
1901 
1902 	reset_mask = cayman_gpu_check_soft_reset(rdev);
1903 
1904 	if (reset_mask)
1905 		r600_set_bios_scratch_engine_hung(rdev, true);
1906 
1907 	cayman_gpu_soft_reset(rdev, reset_mask);
1908 
1909 	reset_mask = cayman_gpu_check_soft_reset(rdev);
1910 
1911 	if (reset_mask)
1912 		evergreen_gpu_pci_config_reset(rdev);
1913 
1914 	r600_set_bios_scratch_engine_hung(rdev, false);
1915 
1916 	return 0;
1917 }
1918 
1919 /**
1920  * cayman_gfx_is_lockup - Check if the GFX engine is locked up
1921  *
1922  * @rdev: radeon_device pointer
1923  * @ring: radeon_ring structure holding ring information
1924  *
1925  * Check if the GFX engine is locked up.
1926  * Returns true if the engine appears to be locked up, false if not.
1927  */
1928 bool cayman_gfx_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
1929 {
1930 	u32 reset_mask = cayman_gpu_check_soft_reset(rdev);
1931 
1932 	if (!(reset_mask & (RADEON_RESET_GFX |
1933 			    RADEON_RESET_COMPUTE |
1934 			    RADEON_RESET_CP))) {
1935 		radeon_ring_lockup_update(rdev, ring);
1936 		return false;
1937 	}
1938 	return radeon_ring_test_lockup(rdev, ring);
1939 }
1940 
1941 static int cayman_startup(struct radeon_device *rdev)
1942 {
1943 	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1944 	int r;
1945 
1946 	/* enable pcie gen2 link */
1947 	evergreen_pcie_gen2_enable(rdev);
1948 	/* enable aspm */
1949 	evergreen_program_aspm(rdev);
1950 
1951 	/* scratch needs to be initialized before MC */
1952 	r = r600_vram_scratch_init(rdev);
1953 	if (r)
1954 		return r;
1955 
1956 	evergreen_mc_program(rdev);
1957 
1958 	if (!(rdev->flags & RADEON_IS_IGP) && !rdev->pm.dpm_enabled) {
1959 		r = ni_mc_load_microcode(rdev);
1960 		if (r) {
1961 			DRM_ERROR("Failed to load MC firmware!\n");
1962 			return r;
1963 		}
1964 	}
1965 
1966 	r = cayman_pcie_gart_enable(rdev);
1967 	if (r)
1968 		return r;
1969 	cayman_gpu_init(rdev);
1970 
1971 	/* allocate rlc buffers */
1972 	if (rdev->flags & RADEON_IS_IGP) {
1973 		rdev->rlc.reg_list = tn_rlc_save_restore_register_list;
1974 		rdev->rlc.reg_list_size =
1975 			(u32)ARRAY_SIZE(tn_rlc_save_restore_register_list);
1976 		rdev->rlc.cs_data = cayman_cs_data;
1977 		r = sumo_rlc_init(rdev);
1978 		if (r) {
1979 			DRM_ERROR("Failed to init rlc BOs!\n");
1980 			return r;
1981 		}
1982 	}
1983 
1984 	/* allocate wb buffer */
1985 	r = radeon_wb_init(rdev);
1986 	if (r)
1987 		return r;
1988 
1989 	r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
1990 	if (r) {
1991 		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
1992 		return r;
1993 	}
1994 
1995 	r = uvd_v2_2_resume(rdev);
1996 	if (!r) {
1997 		r = radeon_fence_driver_start_ring(rdev,
1998 						   R600_RING_TYPE_UVD_INDEX);
1999 		if (r)
2000 			dev_err(rdev->dev, "UVD fences init error (%d).\n", r);
2001 	}
2002 	if (r)
2003 		rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size = 0;
2004 
2005 	r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_CP1_INDEX);
2006 	if (r) {
2007 		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
2008 		return r;
2009 	}
2010 
2011 	r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_CP2_INDEX);
2012 	if (r) {
2013 		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
2014 		return r;
2015 	}
2016 
2017 	r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_DMA_INDEX);
2018 	if (r) {
2019 		dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r);
2020 		return r;
2021 	}
2022 
2023 	r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_DMA1_INDEX);
2024 	if (r) {
2025 		dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r);
2026 		return r;
2027 	}
2028 
2029 	/* Enable IRQ */
2030 	if (!rdev->irq.installed) {
2031 		r = radeon_irq_kms_init(rdev);
2032 		if (r)
2033 			return r;
2034 	}
2035 
2036 	r = r600_irq_init(rdev);
2037 	if (r) {
2038 		DRM_ERROR("radeon: IH init failed (%d).\n", r);
2039 		radeon_irq_kms_fini(rdev);
2040 		return r;
2041 	}
2042 	evergreen_irq_set(rdev);
2043 
2044 	r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET,
2045 			     RADEON_CP_PACKET2);
2046 	if (r)
2047 		return r;
2048 
2049 	ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];
2050 	r = radeon_ring_init(rdev, ring, ring->ring_size, R600_WB_DMA_RPTR_OFFSET,
2051 			     DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0));
2052 	if (r)
2053 		return r;
2054 
2055 	ring = &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX];
2056 	r = radeon_ring_init(rdev, ring, ring->ring_size, CAYMAN_WB_DMA1_RPTR_OFFSET,
2057 			     DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0));
2058 	if (r)
2059 		return r;
2060 
2061 	r = cayman_cp_load_microcode(rdev);
2062 	if (r)
2063 		return r;
2064 	r = cayman_cp_resume(rdev);
2065 	if (r)
2066 		return r;
2067 
2068 	r = cayman_dma_resume(rdev);
2069 	if (r)
2070 		return r;
2071 
2072 	ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
2073 	if (ring->ring_size) {
2074 		r = radeon_ring_init(rdev, ring, ring->ring_size, 0,
2075 				     RADEON_CP_PACKET2);
2076 		if (!r)
2077 			r = uvd_v1_0_init(rdev);
2078 		if (r)
2079 			DRM_ERROR("radeon: failed initializing UVD (%d).\n", r);
2080 	}
2081 
2082 	r = radeon_ib_pool_init(rdev);
2083 	if (r) {
2084 		dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
2085 		return r;
2086 	}
2087 
2088 	r = radeon_vm_manager_init(rdev);
2089 	if (r) {
2090 		dev_err(rdev->dev, "vm manager initialization failed (%d).\n", r);
2091 		return r;
2092 	}
2093 
2094 	if (ASIC_IS_DCE6(rdev)) {
2095 		r = dce6_audio_init(rdev);
2096 		if (r)
2097 			return r;
2098 	} else {
2099 		r = r600_audio_init(rdev);
2100 		if (r)
2101 			return r;
2102 	}
2103 
2104 	return 0;
2105 }
2106 
2107 int cayman_resume(struct radeon_device *rdev)
2108 {
2109 	int r;
2110 
2111 	/* Do not reset GPU before posting, on rv770 hw unlike on r500 hw,
2112 	 * posting will perform necessary task to bring back GPU into good
2113 	 * shape.
2114 	 */
2115 	/* post card */
2116 	atom_asic_init(rdev->mode_info.atom_context);
2117 
2118 	/* init golden registers */
2119 	ni_init_golden_registers(rdev);
2120 
2121 	if (rdev->pm.pm_method == PM_METHOD_DPM)
2122 		radeon_pm_resume(rdev);
2123 
2124 	rdev->accel_working = true;
2125 	r = cayman_startup(rdev);
2126 	if (r) {
2127 		DRM_ERROR("cayman startup failed on resume\n");
2128 		rdev->accel_working = false;
2129 		return r;
2130 	}
2131 	return r;
2132 }
2133 
2134 int cayman_suspend(struct radeon_device *rdev)
2135 {
2136 	radeon_pm_suspend(rdev);
2137 	if (ASIC_IS_DCE6(rdev))
2138 		dce6_audio_fini(rdev);
2139 	else
2140 		r600_audio_fini(rdev);
2141 	radeon_vm_manager_fini(rdev);
2142 	cayman_cp_enable(rdev, false);
2143 	cayman_dma_stop(rdev);
2144 	uvd_v1_0_fini(rdev);
2145 	radeon_uvd_suspend(rdev);
2146 	evergreen_irq_suspend(rdev);
2147 	radeon_wb_disable(rdev);
2148 	cayman_pcie_gart_disable(rdev);
2149 	return 0;
2150 }
2151 
2152 /* Plan is to move initialization in that function and use
2153  * helper function so that radeon_device_init pretty much
2154  * do nothing more than calling asic specific function. This
2155  * should also allow to remove a bunch of callback function
2156  * like vram_info.
2157  */
2158 int cayman_init(struct radeon_device *rdev)
2159 {
2160 	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
2161 	int r;
2162 
2163 	/* Read BIOS */
2164 	if (!radeon_get_bios(rdev)) {
2165 		if (ASIC_IS_AVIVO(rdev))
2166 			return -EINVAL;
2167 	}
2168 	/* Must be an ATOMBIOS */
2169 	if (!rdev->is_atom_bios) {
2170 		dev_err(rdev->dev, "Expecting atombios for cayman GPU\n");
2171 		return -EINVAL;
2172 	}
2173 	r = radeon_atombios_init(rdev);
2174 	if (r)
2175 		return r;
2176 
2177 	/* Post card if necessary */
2178 	if (!radeon_card_posted(rdev)) {
2179 		if (!rdev->bios) {
2180 			dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
2181 			return -EINVAL;
2182 		}
2183 		DRM_INFO("GPU not posted. posting now...\n");
2184 		atom_asic_init(rdev->mode_info.atom_context);
2185 	}
2186 	/* init golden registers */
2187 	ni_init_golden_registers(rdev);
2188 	/* Initialize scratch registers */
2189 	r600_scratch_init(rdev);
2190 	/* Initialize surface registers */
2191 	radeon_surface_init(rdev);
2192 	/* Initialize clocks */
2193 	radeon_get_clock_info(rdev->ddev);
2194 	/* Fence driver */
2195 	r = radeon_fence_driver_init(rdev);
2196 	if (r)
2197 		return r;
2198 	/* initialize memory controller */
2199 	r = evergreen_mc_init(rdev);
2200 	if (r)
2201 		return r;
2202 	/* Memory manager */
2203 	r = radeon_bo_init(rdev);
2204 	if (r)
2205 		return r;
2206 
2207 	if (rdev->flags & RADEON_IS_IGP) {
2208 		if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
2209 			r = ni_init_microcode(rdev);
2210 			if (r) {
2211 				DRM_ERROR("Failed to load firmware!\n");
2212 				return r;
2213 			}
2214 		}
2215 	} else {
2216 		if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw || !rdev->mc_fw) {
2217 			r = ni_init_microcode(rdev);
2218 			if (r) {
2219 				DRM_ERROR("Failed to load firmware!\n");
2220 				return r;
2221 			}
2222 		}
2223 	}
2224 
2225 	/* Initialize power management */
2226 	radeon_pm_init(rdev);
2227 
2228 	ring->ring_obj = NULL;
2229 	r600_ring_init(rdev, ring, 1024 * 1024);
2230 
2231 	ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];
2232 	ring->ring_obj = NULL;
2233 	r600_ring_init(rdev, ring, 64 * 1024);
2234 
2235 	ring = &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX];
2236 	ring->ring_obj = NULL;
2237 	r600_ring_init(rdev, ring, 64 * 1024);
2238 
2239 	r = radeon_uvd_init(rdev);
2240 	if (!r) {
2241 		ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
2242 		ring->ring_obj = NULL;
2243 		r600_ring_init(rdev, ring, 4096);
2244 	}
2245 
2246 	rdev->ih.ring_obj = NULL;
2247 	r600_ih_ring_init(rdev, 64 * 1024);
2248 
2249 	r = r600_pcie_gart_init(rdev);
2250 	if (r)
2251 		return r;
2252 
2253 	rdev->accel_working = true;
2254 	r = cayman_startup(rdev);
2255 	if (r) {
2256 		dev_err(rdev->dev, "disabling GPU acceleration\n");
2257 		cayman_cp_fini(rdev);
2258 		cayman_dma_fini(rdev);
2259 		r600_irq_fini(rdev);
2260 		if (rdev->flags & RADEON_IS_IGP)
2261 			sumo_rlc_fini(rdev);
2262 		radeon_wb_fini(rdev);
2263 		radeon_ib_pool_fini(rdev);
2264 		radeon_vm_manager_fini(rdev);
2265 		radeon_irq_kms_fini(rdev);
2266 		cayman_pcie_gart_fini(rdev);
2267 		rdev->accel_working = false;
2268 	}
2269 
2270 	/* Don't start up if the MC ucode is missing.
2271 	 * The default clocks and voltages before the MC ucode
2272 	 * is loaded are not suffient for advanced operations.
2273 	 *
2274 	 * We can skip this check for TN, because there is no MC
2275 	 * ucode.
2276 	 */
2277 	if (!rdev->mc_fw && !(rdev->flags & RADEON_IS_IGP)) {
2278 		DRM_ERROR("radeon: MC ucode required for NI+.\n");
2279 		return -EINVAL;
2280 	}
2281 
2282 	return 0;
2283 }
2284 
2285 void cayman_fini(struct radeon_device *rdev)
2286 {
2287 	radeon_pm_fini(rdev);
2288 	cayman_cp_fini(rdev);
2289 	cayman_dma_fini(rdev);
2290 	r600_irq_fini(rdev);
2291 	if (rdev->flags & RADEON_IS_IGP)
2292 		sumo_rlc_fini(rdev);
2293 	radeon_wb_fini(rdev);
2294 	radeon_vm_manager_fini(rdev);
2295 	radeon_ib_pool_fini(rdev);
2296 	radeon_irq_kms_fini(rdev);
2297 	uvd_v1_0_fini(rdev);
2298 	radeon_uvd_fini(rdev);
2299 	cayman_pcie_gart_fini(rdev);
2300 	r600_vram_scratch_fini(rdev);
2301 	radeon_gem_fini(rdev);
2302 	radeon_fence_driver_fini(rdev);
2303 	radeon_bo_fini(rdev);
2304 	radeon_atombios_fini(rdev);
2305 	kfree(rdev->bios);
2306 	rdev->bios = NULL;
2307 }
2308 
2309 /*
2310  * vm
2311  */
2312 int cayman_vm_init(struct radeon_device *rdev)
2313 {
2314 	/* number of VMs */
2315 	rdev->vm_manager.nvm = 8;
2316 	/* base offset of vram pages */
2317 	if (rdev->flags & RADEON_IS_IGP) {
2318 		u64 tmp = RREG32(FUS_MC_VM_FB_OFFSET);
2319 		tmp <<= 22;
2320 		rdev->vm_manager.vram_base_offset = tmp;
2321 	} else
2322 		rdev->vm_manager.vram_base_offset = 0;
2323 	return 0;
2324 }
2325 
2326 void cayman_vm_fini(struct radeon_device *rdev)
2327 {
2328 }
2329 
2330 /**
2331  * cayman_vm_decode_fault - print human readable fault info
2332  *
2333  * @rdev: radeon_device pointer
2334  * @status: VM_CONTEXT1_PROTECTION_FAULT_STATUS register value
2335  * @addr: VM_CONTEXT1_PROTECTION_FAULT_ADDR register value
2336  *
2337  * Print human readable fault information (cayman/TN).
2338  */
2339 void cayman_vm_decode_fault(struct radeon_device *rdev,
2340 			    u32 status, u32 addr)
2341 {
2342 	u32 mc_id = (status & MEMORY_CLIENT_ID_MASK) >> MEMORY_CLIENT_ID_SHIFT;
2343 	u32 vmid = (status & FAULT_VMID_MASK) >> FAULT_VMID_SHIFT;
2344 	u32 protections = (status & PROTECTIONS_MASK) >> PROTECTIONS_SHIFT;
2345 	char *block;
2346 
2347 	switch (mc_id) {
2348 	case 32:
2349 	case 16:
2350 	case 96:
2351 	case 80:
2352 	case 160:
2353 	case 144:
2354 	case 224:
2355 	case 208:
2356 		block = "CB";
2357 		break;
2358 	case 33:
2359 	case 17:
2360 	case 97:
2361 	case 81:
2362 	case 161:
2363 	case 145:
2364 	case 225:
2365 	case 209:
2366 		block = "CB_FMASK";
2367 		break;
2368 	case 34:
2369 	case 18:
2370 	case 98:
2371 	case 82:
2372 	case 162:
2373 	case 146:
2374 	case 226:
2375 	case 210:
2376 		block = "CB_CMASK";
2377 		break;
2378 	case 35:
2379 	case 19:
2380 	case 99:
2381 	case 83:
2382 	case 163:
2383 	case 147:
2384 	case 227:
2385 	case 211:
2386 		block = "CB_IMMED";
2387 		break;
2388 	case 36:
2389 	case 20:
2390 	case 100:
2391 	case 84:
2392 	case 164:
2393 	case 148:
2394 	case 228:
2395 	case 212:
2396 		block = "DB";
2397 		break;
2398 	case 37:
2399 	case 21:
2400 	case 101:
2401 	case 85:
2402 	case 165:
2403 	case 149:
2404 	case 229:
2405 	case 213:
2406 		block = "DB_HTILE";
2407 		break;
2408 	case 38:
2409 	case 22:
2410 	case 102:
2411 	case 86:
2412 	case 166:
2413 	case 150:
2414 	case 230:
2415 	case 214:
2416 		block = "SX";
2417 		break;
2418 	case 39:
2419 	case 23:
2420 	case 103:
2421 	case 87:
2422 	case 167:
2423 	case 151:
2424 	case 231:
2425 	case 215:
2426 		block = "DB_STEN";
2427 		break;
2428 	case 40:
2429 	case 24:
2430 	case 104:
2431 	case 88:
2432 	case 232:
2433 	case 216:
2434 	case 168:
2435 	case 152:
2436 		block = "TC_TFETCH";
2437 		break;
2438 	case 41:
2439 	case 25:
2440 	case 105:
2441 	case 89:
2442 	case 233:
2443 	case 217:
2444 	case 169:
2445 	case 153:
2446 		block = "TC_VFETCH";
2447 		break;
2448 	case 42:
2449 	case 26:
2450 	case 106:
2451 	case 90:
2452 	case 234:
2453 	case 218:
2454 	case 170:
2455 	case 154:
2456 		block = "VC";
2457 		break;
2458 	case 112:
2459 		block = "CP";
2460 		break;
2461 	case 113:
2462 	case 114:
2463 		block = "SH";
2464 		break;
2465 	case 115:
2466 		block = "VGT";
2467 		break;
2468 	case 178:
2469 		block = "IH";
2470 		break;
2471 	case 51:
2472 		block = "RLC";
2473 		break;
2474 	case 55:
2475 		block = "DMA";
2476 		break;
2477 	case 56:
2478 		block = "HDP";
2479 		break;
2480 	default:
2481 		block = "unknown";
2482 		break;
2483 	}
2484 
2485 	printk("VM fault (0x%02x, vmid %d) at page %u, %s from %s (%d)\n",
2486 	       protections, vmid, addr,
2487 	       (status & MEMORY_CLIENT_RW_MASK) ? "write" : "read",
2488 	       block, mc_id);
2489 }
2490 
2491 /**
2492  * cayman_vm_flush - vm flush using the CP
2493  *
2494  * @rdev: radeon_device pointer
2495  *
2496  * Update the page table base and flush the VM TLB
2497  * using the CP (cayman-si).
2498  */
2499 void cayman_vm_flush(struct radeon_device *rdev, int ridx, struct radeon_vm *vm)
2500 {
2501 	struct radeon_ring *ring = &rdev->ring[ridx];
2502 
2503 	if (vm == NULL)
2504 		return;
2505 
2506 	radeon_ring_write(ring, PACKET0(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (vm->id << 2), 0));
2507 	radeon_ring_write(ring, vm->pd_gpu_addr >> 12);
2508 
2509 	/* flush hdp cache */
2510 	radeon_ring_write(ring, PACKET0(HDP_MEM_COHERENCY_FLUSH_CNTL, 0));
2511 	radeon_ring_write(ring, 0x1);
2512 
2513 	/* bits 0-7 are the VM contexts0-7 */
2514 	radeon_ring_write(ring, PACKET0(VM_INVALIDATE_REQUEST, 0));
2515 	radeon_ring_write(ring, 1 << vm->id);
2516 
2517 	/* sync PFP to ME, otherwise we might get invalid PFP reads */
2518 	radeon_ring_write(ring, PACKET3(PACKET3_PFP_SYNC_ME, 0));
2519 	radeon_ring_write(ring, 0x0);
2520 }
2521