xref: /openbmc/linux/drivers/gpu/drm/radeon/ni.c (revision 33ac9dba)
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 	/* Setup TLB control */
1233 	WREG32(MC_VM_MX_L1_TLB_CNTL,
1234 	       (0xA << 7) |
1235 	       ENABLE_L1_TLB |
1236 	       ENABLE_L1_FRAGMENT_PROCESSING |
1237 	       SYSTEM_ACCESS_MODE_NOT_IN_SYS |
1238 	       ENABLE_ADVANCED_DRIVER_MODEL |
1239 	       SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU);
1240 	/* Setup L2 cache */
1241 	WREG32(VM_L2_CNTL, ENABLE_L2_CACHE |
1242 	       ENABLE_L2_FRAGMENT_PROCESSING |
1243 	       ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
1244 	       ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE |
1245 	       EFFECTIVE_L2_QUEUE_SIZE(7) |
1246 	       CONTEXT1_IDENTITY_ACCESS_MODE(1));
1247 	WREG32(VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS | INVALIDATE_L2_CACHE);
1248 	WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY |
1249 	       BANK_SELECT(6) |
1250 	       L2_CACHE_BIGK_FRAGMENT_SIZE(6));
1251 	/* setup context0 */
1252 	WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
1253 	WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
1254 	WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
1255 	WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
1256 			(u32)(rdev->dummy_page.addr >> 12));
1257 	WREG32(VM_CONTEXT0_CNTL2, 0);
1258 	WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
1259 				RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
1260 
1261 	WREG32(0x15D4, 0);
1262 	WREG32(0x15D8, 0);
1263 	WREG32(0x15DC, 0);
1264 
1265 	/* empty context1-7 */
1266 	/* Assign the pt base to something valid for now; the pts used for
1267 	 * the VMs are determined by the application and setup and assigned
1268 	 * on the fly in the vm part of radeon_gart.c
1269 	 */
1270 	for (i = 1; i < 8; i++) {
1271 		WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR + (i << 2), 0);
1272 		WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR + (i << 2), rdev->vm_manager.max_pfn);
1273 		WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (i << 2),
1274 			rdev->gart.table_addr >> 12);
1275 	}
1276 
1277 	/* enable context1-7 */
1278 	WREG32(VM_CONTEXT1_PROTECTION_FAULT_DEFAULT_ADDR,
1279 	       (u32)(rdev->dummy_page.addr >> 12));
1280 	WREG32(VM_CONTEXT1_CNTL2, 4);
1281 	WREG32(VM_CONTEXT1_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(1) |
1282 				PAGE_TABLE_BLOCK_SIZE(radeon_vm_block_size - 9) |
1283 				RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT |
1284 				RANGE_PROTECTION_FAULT_ENABLE_DEFAULT |
1285 				DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT |
1286 				DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT |
1287 				PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT |
1288 				PDE0_PROTECTION_FAULT_ENABLE_DEFAULT |
1289 				VALID_PROTECTION_FAULT_ENABLE_INTERRUPT |
1290 				VALID_PROTECTION_FAULT_ENABLE_DEFAULT |
1291 				READ_PROTECTION_FAULT_ENABLE_INTERRUPT |
1292 				READ_PROTECTION_FAULT_ENABLE_DEFAULT |
1293 				WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT |
1294 				WRITE_PROTECTION_FAULT_ENABLE_DEFAULT);
1295 
1296 	cayman_pcie_gart_tlb_flush(rdev);
1297 	DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
1298 		 (unsigned)(rdev->mc.gtt_size >> 20),
1299 		 (unsigned long long)rdev->gart.table_addr);
1300 	rdev->gart.ready = true;
1301 	return 0;
1302 }
1303 
1304 static void cayman_pcie_gart_disable(struct radeon_device *rdev)
1305 {
1306 	/* Disable all tables */
1307 	WREG32(VM_CONTEXT0_CNTL, 0);
1308 	WREG32(VM_CONTEXT1_CNTL, 0);
1309 	/* Setup TLB control */
1310 	WREG32(MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_FRAGMENT_PROCESSING |
1311 	       SYSTEM_ACCESS_MODE_NOT_IN_SYS |
1312 	       SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU);
1313 	/* Setup L2 cache */
1314 	WREG32(VM_L2_CNTL, ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
1315 	       ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE |
1316 	       EFFECTIVE_L2_QUEUE_SIZE(7) |
1317 	       CONTEXT1_IDENTITY_ACCESS_MODE(1));
1318 	WREG32(VM_L2_CNTL2, 0);
1319 	WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY |
1320 	       L2_CACHE_BIGK_FRAGMENT_SIZE(6));
1321 	radeon_gart_table_vram_unpin(rdev);
1322 }
1323 
1324 static void cayman_pcie_gart_fini(struct radeon_device *rdev)
1325 {
1326 	cayman_pcie_gart_disable(rdev);
1327 	radeon_gart_table_vram_free(rdev);
1328 	radeon_gart_fini(rdev);
1329 }
1330 
1331 void cayman_cp_int_cntl_setup(struct radeon_device *rdev,
1332 			      int ring, u32 cp_int_cntl)
1333 {
1334 	u32 srbm_gfx_cntl = RREG32(SRBM_GFX_CNTL) & ~3;
1335 
1336 	WREG32(SRBM_GFX_CNTL, srbm_gfx_cntl | (ring & 3));
1337 	WREG32(CP_INT_CNTL, cp_int_cntl);
1338 }
1339 
1340 /*
1341  * CP.
1342  */
1343 void cayman_fence_ring_emit(struct radeon_device *rdev,
1344 			    struct radeon_fence *fence)
1345 {
1346 	struct radeon_ring *ring = &rdev->ring[fence->ring];
1347 	u64 addr = rdev->fence_drv[fence->ring].gpu_addr;
1348 	u32 cp_coher_cntl = PACKET3_FULL_CACHE_ENA | PACKET3_TC_ACTION_ENA |
1349 		PACKET3_SH_ACTION_ENA;
1350 
1351 	/* flush read cache over gart for this vmid */
1352 	radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
1353 	radeon_ring_write(ring, PACKET3_ENGINE_ME | cp_coher_cntl);
1354 	radeon_ring_write(ring, 0xFFFFFFFF);
1355 	radeon_ring_write(ring, 0);
1356 	radeon_ring_write(ring, 10); /* poll interval */
1357 	/* EVENT_WRITE_EOP - flush caches, send int */
1358 	radeon_ring_write(ring, PACKET3(PACKET3_EVENT_WRITE_EOP, 4));
1359 	radeon_ring_write(ring, EVENT_TYPE(CACHE_FLUSH_AND_INV_EVENT_TS) | EVENT_INDEX(5));
1360 	radeon_ring_write(ring, lower_32_bits(addr));
1361 	radeon_ring_write(ring, (upper_32_bits(addr) & 0xff) | DATA_SEL(1) | INT_SEL(2));
1362 	radeon_ring_write(ring, fence->seq);
1363 	radeon_ring_write(ring, 0);
1364 }
1365 
1366 void cayman_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
1367 {
1368 	struct radeon_ring *ring = &rdev->ring[ib->ring];
1369 	u32 cp_coher_cntl = PACKET3_FULL_CACHE_ENA | PACKET3_TC_ACTION_ENA |
1370 		PACKET3_SH_ACTION_ENA;
1371 
1372 	/* set to DX10/11 mode */
1373 	radeon_ring_write(ring, PACKET3(PACKET3_MODE_CONTROL, 0));
1374 	radeon_ring_write(ring, 1);
1375 
1376 	if (ring->rptr_save_reg) {
1377 		uint32_t next_rptr = ring->wptr + 3 + 4 + 8;
1378 		radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
1379 		radeon_ring_write(ring, ((ring->rptr_save_reg -
1380 					  PACKET3_SET_CONFIG_REG_START) >> 2));
1381 		radeon_ring_write(ring, next_rptr);
1382 	}
1383 
1384 	radeon_ring_write(ring, PACKET3(PACKET3_INDIRECT_BUFFER, 2));
1385 	radeon_ring_write(ring,
1386 #ifdef __BIG_ENDIAN
1387 			  (2 << 0) |
1388 #endif
1389 			  (ib->gpu_addr & 0xFFFFFFFC));
1390 	radeon_ring_write(ring, upper_32_bits(ib->gpu_addr) & 0xFF);
1391 	radeon_ring_write(ring, ib->length_dw |
1392 			  (ib->vm ? (ib->vm->id << 24) : 0));
1393 
1394 	/* flush read cache over gart for this vmid */
1395 	radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
1396 	radeon_ring_write(ring, PACKET3_ENGINE_ME | cp_coher_cntl);
1397 	radeon_ring_write(ring, 0xFFFFFFFF);
1398 	radeon_ring_write(ring, 0);
1399 	radeon_ring_write(ring, ((ib->vm ? ib->vm->id : 0) << 24) | 10); /* poll interval */
1400 }
1401 
1402 static void cayman_cp_enable(struct radeon_device *rdev, bool enable)
1403 {
1404 	if (enable)
1405 		WREG32(CP_ME_CNTL, 0);
1406 	else {
1407 		if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX)
1408 			radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
1409 		WREG32(CP_ME_CNTL, (CP_ME_HALT | CP_PFP_HALT));
1410 		WREG32(SCRATCH_UMSK, 0);
1411 		rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
1412 	}
1413 }
1414 
1415 u32 cayman_gfx_get_rptr(struct radeon_device *rdev,
1416 			struct radeon_ring *ring)
1417 {
1418 	u32 rptr;
1419 
1420 	if (rdev->wb.enabled)
1421 		rptr = rdev->wb.wb[ring->rptr_offs/4];
1422 	else {
1423 		if (ring->idx == RADEON_RING_TYPE_GFX_INDEX)
1424 			rptr = RREG32(CP_RB0_RPTR);
1425 		else if (ring->idx == CAYMAN_RING_TYPE_CP1_INDEX)
1426 			rptr = RREG32(CP_RB1_RPTR);
1427 		else
1428 			rptr = RREG32(CP_RB2_RPTR);
1429 	}
1430 
1431 	return rptr;
1432 }
1433 
1434 u32 cayman_gfx_get_wptr(struct radeon_device *rdev,
1435 			struct radeon_ring *ring)
1436 {
1437 	u32 wptr;
1438 
1439 	if (ring->idx == RADEON_RING_TYPE_GFX_INDEX)
1440 		wptr = RREG32(CP_RB0_WPTR);
1441 	else if (ring->idx == CAYMAN_RING_TYPE_CP1_INDEX)
1442 		wptr = RREG32(CP_RB1_WPTR);
1443 	else
1444 		wptr = RREG32(CP_RB2_WPTR);
1445 
1446 	return wptr;
1447 }
1448 
1449 void cayman_gfx_set_wptr(struct radeon_device *rdev,
1450 			 struct radeon_ring *ring)
1451 {
1452 	if (ring->idx == RADEON_RING_TYPE_GFX_INDEX) {
1453 		WREG32(CP_RB0_WPTR, ring->wptr);
1454 		(void)RREG32(CP_RB0_WPTR);
1455 	} else if (ring->idx == CAYMAN_RING_TYPE_CP1_INDEX) {
1456 		WREG32(CP_RB1_WPTR, ring->wptr);
1457 		(void)RREG32(CP_RB1_WPTR);
1458 	} else {
1459 		WREG32(CP_RB2_WPTR, ring->wptr);
1460 		(void)RREG32(CP_RB2_WPTR);
1461 	}
1462 }
1463 
1464 static int cayman_cp_load_microcode(struct radeon_device *rdev)
1465 {
1466 	const __be32 *fw_data;
1467 	int i;
1468 
1469 	if (!rdev->me_fw || !rdev->pfp_fw)
1470 		return -EINVAL;
1471 
1472 	cayman_cp_enable(rdev, false);
1473 
1474 	fw_data = (const __be32 *)rdev->pfp_fw->data;
1475 	WREG32(CP_PFP_UCODE_ADDR, 0);
1476 	for (i = 0; i < CAYMAN_PFP_UCODE_SIZE; i++)
1477 		WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++));
1478 	WREG32(CP_PFP_UCODE_ADDR, 0);
1479 
1480 	fw_data = (const __be32 *)rdev->me_fw->data;
1481 	WREG32(CP_ME_RAM_WADDR, 0);
1482 	for (i = 0; i < CAYMAN_PM4_UCODE_SIZE; i++)
1483 		WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++));
1484 
1485 	WREG32(CP_PFP_UCODE_ADDR, 0);
1486 	WREG32(CP_ME_RAM_WADDR, 0);
1487 	WREG32(CP_ME_RAM_RADDR, 0);
1488 	return 0;
1489 }
1490 
1491 static int cayman_cp_start(struct radeon_device *rdev)
1492 {
1493 	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1494 	int r, i;
1495 
1496 	r = radeon_ring_lock(rdev, ring, 7);
1497 	if (r) {
1498 		DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
1499 		return r;
1500 	}
1501 	radeon_ring_write(ring, PACKET3(PACKET3_ME_INITIALIZE, 5));
1502 	radeon_ring_write(ring, 0x1);
1503 	radeon_ring_write(ring, 0x0);
1504 	radeon_ring_write(ring, rdev->config.cayman.max_hw_contexts - 1);
1505 	radeon_ring_write(ring, PACKET3_ME_INITIALIZE_DEVICE_ID(1));
1506 	radeon_ring_write(ring, 0);
1507 	radeon_ring_write(ring, 0);
1508 	radeon_ring_unlock_commit(rdev, ring, false);
1509 
1510 	cayman_cp_enable(rdev, true);
1511 
1512 	r = radeon_ring_lock(rdev, ring, cayman_default_size + 19);
1513 	if (r) {
1514 		DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
1515 		return r;
1516 	}
1517 
1518 	/* setup clear context state */
1519 	radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
1520 	radeon_ring_write(ring, PACKET3_PREAMBLE_BEGIN_CLEAR_STATE);
1521 
1522 	for (i = 0; i < cayman_default_size; i++)
1523 		radeon_ring_write(ring, cayman_default_state[i]);
1524 
1525 	radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
1526 	radeon_ring_write(ring, PACKET3_PREAMBLE_END_CLEAR_STATE);
1527 
1528 	/* set clear context state */
1529 	radeon_ring_write(ring, PACKET3(PACKET3_CLEAR_STATE, 0));
1530 	radeon_ring_write(ring, 0);
1531 
1532 	/* SQ_VTX_BASE_VTX_LOC */
1533 	radeon_ring_write(ring, 0xc0026f00);
1534 	radeon_ring_write(ring, 0x00000000);
1535 	radeon_ring_write(ring, 0x00000000);
1536 	radeon_ring_write(ring, 0x00000000);
1537 
1538 	/* Clear consts */
1539 	radeon_ring_write(ring, 0xc0036f00);
1540 	radeon_ring_write(ring, 0x00000bc4);
1541 	radeon_ring_write(ring, 0xffffffff);
1542 	radeon_ring_write(ring, 0xffffffff);
1543 	radeon_ring_write(ring, 0xffffffff);
1544 
1545 	radeon_ring_write(ring, 0xc0026900);
1546 	radeon_ring_write(ring, 0x00000316);
1547 	radeon_ring_write(ring, 0x0000000e); /* VGT_VERTEX_REUSE_BLOCK_CNTL */
1548 	radeon_ring_write(ring, 0x00000010); /*  */
1549 
1550 	radeon_ring_unlock_commit(rdev, ring, false);
1551 
1552 	/* XXX init other rings */
1553 
1554 	return 0;
1555 }
1556 
1557 static void cayman_cp_fini(struct radeon_device *rdev)
1558 {
1559 	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1560 	cayman_cp_enable(rdev, false);
1561 	radeon_ring_fini(rdev, ring);
1562 	radeon_scratch_free(rdev, ring->rptr_save_reg);
1563 }
1564 
1565 static int cayman_cp_resume(struct radeon_device *rdev)
1566 {
1567 	static const int ridx[] = {
1568 		RADEON_RING_TYPE_GFX_INDEX,
1569 		CAYMAN_RING_TYPE_CP1_INDEX,
1570 		CAYMAN_RING_TYPE_CP2_INDEX
1571 	};
1572 	static const unsigned cp_rb_cntl[] = {
1573 		CP_RB0_CNTL,
1574 		CP_RB1_CNTL,
1575 		CP_RB2_CNTL,
1576 	};
1577 	static const unsigned cp_rb_rptr_addr[] = {
1578 		CP_RB0_RPTR_ADDR,
1579 		CP_RB1_RPTR_ADDR,
1580 		CP_RB2_RPTR_ADDR
1581 	};
1582 	static const unsigned cp_rb_rptr_addr_hi[] = {
1583 		CP_RB0_RPTR_ADDR_HI,
1584 		CP_RB1_RPTR_ADDR_HI,
1585 		CP_RB2_RPTR_ADDR_HI
1586 	};
1587 	static const unsigned cp_rb_base[] = {
1588 		CP_RB0_BASE,
1589 		CP_RB1_BASE,
1590 		CP_RB2_BASE
1591 	};
1592 	static const unsigned cp_rb_rptr[] = {
1593 		CP_RB0_RPTR,
1594 		CP_RB1_RPTR,
1595 		CP_RB2_RPTR
1596 	};
1597 	static const unsigned cp_rb_wptr[] = {
1598 		CP_RB0_WPTR,
1599 		CP_RB1_WPTR,
1600 		CP_RB2_WPTR
1601 	};
1602 	struct radeon_ring *ring;
1603 	int i, r;
1604 
1605 	/* Reset cp; if cp is reset, then PA, SH, VGT also need to be reset */
1606 	WREG32(GRBM_SOFT_RESET, (SOFT_RESET_CP |
1607 				 SOFT_RESET_PA |
1608 				 SOFT_RESET_SH |
1609 				 SOFT_RESET_VGT |
1610 				 SOFT_RESET_SPI |
1611 				 SOFT_RESET_SX));
1612 	RREG32(GRBM_SOFT_RESET);
1613 	mdelay(15);
1614 	WREG32(GRBM_SOFT_RESET, 0);
1615 	RREG32(GRBM_SOFT_RESET);
1616 
1617 	WREG32(CP_SEM_WAIT_TIMER, 0x0);
1618 	WREG32(CP_SEM_INCOMPLETE_TIMER_CNTL, 0x0);
1619 
1620 	/* Set the write pointer delay */
1621 	WREG32(CP_RB_WPTR_DELAY, 0);
1622 
1623 	WREG32(CP_DEBUG, (1 << 27));
1624 
1625 	/* set the wb address whether it's enabled or not */
1626 	WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF);
1627 	WREG32(SCRATCH_UMSK, 0xff);
1628 
1629 	for (i = 0; i < 3; ++i) {
1630 		uint32_t rb_cntl;
1631 		uint64_t addr;
1632 
1633 		/* Set ring buffer size */
1634 		ring = &rdev->ring[ridx[i]];
1635 		rb_cntl = order_base_2(ring->ring_size / 8);
1636 		rb_cntl |= order_base_2(RADEON_GPU_PAGE_SIZE/8) << 8;
1637 #ifdef __BIG_ENDIAN
1638 		rb_cntl |= BUF_SWAP_32BIT;
1639 #endif
1640 		WREG32(cp_rb_cntl[i], rb_cntl);
1641 
1642 		/* set the wb address whether it's enabled or not */
1643 		addr = rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET;
1644 		WREG32(cp_rb_rptr_addr[i], addr & 0xFFFFFFFC);
1645 		WREG32(cp_rb_rptr_addr_hi[i], upper_32_bits(addr) & 0xFF);
1646 	}
1647 
1648 	/* set the rb base addr, this causes an internal reset of ALL rings */
1649 	for (i = 0; i < 3; ++i) {
1650 		ring = &rdev->ring[ridx[i]];
1651 		WREG32(cp_rb_base[i], ring->gpu_addr >> 8);
1652 	}
1653 
1654 	for (i = 0; i < 3; ++i) {
1655 		/* Initialize the ring buffer's read and write pointers */
1656 		ring = &rdev->ring[ridx[i]];
1657 		WREG32_P(cp_rb_cntl[i], RB_RPTR_WR_ENA, ~RB_RPTR_WR_ENA);
1658 
1659 		ring->wptr = 0;
1660 		WREG32(cp_rb_rptr[i], 0);
1661 		WREG32(cp_rb_wptr[i], ring->wptr);
1662 
1663 		mdelay(1);
1664 		WREG32_P(cp_rb_cntl[i], 0, ~RB_RPTR_WR_ENA);
1665 	}
1666 
1667 	/* start the rings */
1668 	cayman_cp_start(rdev);
1669 	rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = true;
1670 	rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false;
1671 	rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false;
1672 	/* this only test cp0 */
1673 	r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]);
1674 	if (r) {
1675 		rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
1676 		rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false;
1677 		rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false;
1678 		return r;
1679 	}
1680 
1681 	if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX)
1682 		radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size);
1683 
1684 	return 0;
1685 }
1686 
1687 u32 cayman_gpu_check_soft_reset(struct radeon_device *rdev)
1688 {
1689 	u32 reset_mask = 0;
1690 	u32 tmp;
1691 
1692 	/* GRBM_STATUS */
1693 	tmp = RREG32(GRBM_STATUS);
1694 	if (tmp & (PA_BUSY | SC_BUSY |
1695 		   SH_BUSY | SX_BUSY |
1696 		   TA_BUSY | VGT_BUSY |
1697 		   DB_BUSY | CB_BUSY |
1698 		   GDS_BUSY | SPI_BUSY |
1699 		   IA_BUSY | IA_BUSY_NO_DMA))
1700 		reset_mask |= RADEON_RESET_GFX;
1701 
1702 	if (tmp & (CF_RQ_PENDING | PF_RQ_PENDING |
1703 		   CP_BUSY | CP_COHERENCY_BUSY))
1704 		reset_mask |= RADEON_RESET_CP;
1705 
1706 	if (tmp & GRBM_EE_BUSY)
1707 		reset_mask |= RADEON_RESET_GRBM | RADEON_RESET_GFX | RADEON_RESET_CP;
1708 
1709 	/* DMA_STATUS_REG 0 */
1710 	tmp = RREG32(DMA_STATUS_REG + DMA0_REGISTER_OFFSET);
1711 	if (!(tmp & DMA_IDLE))
1712 		reset_mask |= RADEON_RESET_DMA;
1713 
1714 	/* DMA_STATUS_REG 1 */
1715 	tmp = RREG32(DMA_STATUS_REG + DMA1_REGISTER_OFFSET);
1716 	if (!(tmp & DMA_IDLE))
1717 		reset_mask |= RADEON_RESET_DMA1;
1718 
1719 	/* SRBM_STATUS2 */
1720 	tmp = RREG32(SRBM_STATUS2);
1721 	if (tmp & DMA_BUSY)
1722 		reset_mask |= RADEON_RESET_DMA;
1723 
1724 	if (tmp & DMA1_BUSY)
1725 		reset_mask |= RADEON_RESET_DMA1;
1726 
1727 	/* SRBM_STATUS */
1728 	tmp = RREG32(SRBM_STATUS);
1729 	if (tmp & (RLC_RQ_PENDING | RLC_BUSY))
1730 		reset_mask |= RADEON_RESET_RLC;
1731 
1732 	if (tmp & IH_BUSY)
1733 		reset_mask |= RADEON_RESET_IH;
1734 
1735 	if (tmp & SEM_BUSY)
1736 		reset_mask |= RADEON_RESET_SEM;
1737 
1738 	if (tmp & GRBM_RQ_PENDING)
1739 		reset_mask |= RADEON_RESET_GRBM;
1740 
1741 	if (tmp & VMC_BUSY)
1742 		reset_mask |= RADEON_RESET_VMC;
1743 
1744 	if (tmp & (MCB_BUSY | MCB_NON_DISPLAY_BUSY |
1745 		   MCC_BUSY | MCD_BUSY))
1746 		reset_mask |= RADEON_RESET_MC;
1747 
1748 	if (evergreen_is_display_hung(rdev))
1749 		reset_mask |= RADEON_RESET_DISPLAY;
1750 
1751 	/* VM_L2_STATUS */
1752 	tmp = RREG32(VM_L2_STATUS);
1753 	if (tmp & L2_BUSY)
1754 		reset_mask |= RADEON_RESET_VMC;
1755 
1756 	/* Skip MC reset as it's mostly likely not hung, just busy */
1757 	if (reset_mask & RADEON_RESET_MC) {
1758 		DRM_DEBUG("MC busy: 0x%08X, clearing.\n", reset_mask);
1759 		reset_mask &= ~RADEON_RESET_MC;
1760 	}
1761 
1762 	return reset_mask;
1763 }
1764 
1765 static void cayman_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask)
1766 {
1767 	struct evergreen_mc_save save;
1768 	u32 grbm_soft_reset = 0, srbm_soft_reset = 0;
1769 	u32 tmp;
1770 
1771 	if (reset_mask == 0)
1772 		return;
1773 
1774 	dev_info(rdev->dev, "GPU softreset: 0x%08X\n", reset_mask);
1775 
1776 	evergreen_print_gpu_status_regs(rdev);
1777 	dev_info(rdev->dev, "  VM_CONTEXT0_PROTECTION_FAULT_ADDR   0x%08X\n",
1778 		 RREG32(0x14F8));
1779 	dev_info(rdev->dev, "  VM_CONTEXT0_PROTECTION_FAULT_STATUS 0x%08X\n",
1780 		 RREG32(0x14D8));
1781 	dev_info(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_ADDR   0x%08X\n",
1782 		 RREG32(0x14FC));
1783 	dev_info(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n",
1784 		 RREG32(0x14DC));
1785 
1786 	/* Disable CP parsing/prefetching */
1787 	WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT);
1788 
1789 	if (reset_mask & RADEON_RESET_DMA) {
1790 		/* dma0 */
1791 		tmp = RREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET);
1792 		tmp &= ~DMA_RB_ENABLE;
1793 		WREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET, tmp);
1794 	}
1795 
1796 	if (reset_mask & RADEON_RESET_DMA1) {
1797 		/* dma1 */
1798 		tmp = RREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET);
1799 		tmp &= ~DMA_RB_ENABLE;
1800 		WREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET, tmp);
1801 	}
1802 
1803 	udelay(50);
1804 
1805 	evergreen_mc_stop(rdev, &save);
1806 	if (evergreen_mc_wait_for_idle(rdev)) {
1807 		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1808 	}
1809 
1810 	if (reset_mask & (RADEON_RESET_GFX | RADEON_RESET_COMPUTE)) {
1811 		grbm_soft_reset = SOFT_RESET_CB |
1812 			SOFT_RESET_DB |
1813 			SOFT_RESET_GDS |
1814 			SOFT_RESET_PA |
1815 			SOFT_RESET_SC |
1816 			SOFT_RESET_SPI |
1817 			SOFT_RESET_SH |
1818 			SOFT_RESET_SX |
1819 			SOFT_RESET_TC |
1820 			SOFT_RESET_TA |
1821 			SOFT_RESET_VGT |
1822 			SOFT_RESET_IA;
1823 	}
1824 
1825 	if (reset_mask & RADEON_RESET_CP) {
1826 		grbm_soft_reset |= SOFT_RESET_CP | SOFT_RESET_VGT;
1827 
1828 		srbm_soft_reset |= SOFT_RESET_GRBM;
1829 	}
1830 
1831 	if (reset_mask & RADEON_RESET_DMA)
1832 		srbm_soft_reset |= SOFT_RESET_DMA;
1833 
1834 	if (reset_mask & RADEON_RESET_DMA1)
1835 		srbm_soft_reset |= SOFT_RESET_DMA1;
1836 
1837 	if (reset_mask & RADEON_RESET_DISPLAY)
1838 		srbm_soft_reset |= SOFT_RESET_DC;
1839 
1840 	if (reset_mask & RADEON_RESET_RLC)
1841 		srbm_soft_reset |= SOFT_RESET_RLC;
1842 
1843 	if (reset_mask & RADEON_RESET_SEM)
1844 		srbm_soft_reset |= SOFT_RESET_SEM;
1845 
1846 	if (reset_mask & RADEON_RESET_IH)
1847 		srbm_soft_reset |= SOFT_RESET_IH;
1848 
1849 	if (reset_mask & RADEON_RESET_GRBM)
1850 		srbm_soft_reset |= SOFT_RESET_GRBM;
1851 
1852 	if (reset_mask & RADEON_RESET_VMC)
1853 		srbm_soft_reset |= SOFT_RESET_VMC;
1854 
1855 	if (!(rdev->flags & RADEON_IS_IGP)) {
1856 		if (reset_mask & RADEON_RESET_MC)
1857 			srbm_soft_reset |= SOFT_RESET_MC;
1858 	}
1859 
1860 	if (grbm_soft_reset) {
1861 		tmp = RREG32(GRBM_SOFT_RESET);
1862 		tmp |= grbm_soft_reset;
1863 		dev_info(rdev->dev, "GRBM_SOFT_RESET=0x%08X\n", tmp);
1864 		WREG32(GRBM_SOFT_RESET, tmp);
1865 		tmp = RREG32(GRBM_SOFT_RESET);
1866 
1867 		udelay(50);
1868 
1869 		tmp &= ~grbm_soft_reset;
1870 		WREG32(GRBM_SOFT_RESET, tmp);
1871 		tmp = RREG32(GRBM_SOFT_RESET);
1872 	}
1873 
1874 	if (srbm_soft_reset) {
1875 		tmp = RREG32(SRBM_SOFT_RESET);
1876 		tmp |= srbm_soft_reset;
1877 		dev_info(rdev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
1878 		WREG32(SRBM_SOFT_RESET, tmp);
1879 		tmp = RREG32(SRBM_SOFT_RESET);
1880 
1881 		udelay(50);
1882 
1883 		tmp &= ~srbm_soft_reset;
1884 		WREG32(SRBM_SOFT_RESET, tmp);
1885 		tmp = RREG32(SRBM_SOFT_RESET);
1886 	}
1887 
1888 	/* Wait a little for things to settle down */
1889 	udelay(50);
1890 
1891 	evergreen_mc_resume(rdev, &save);
1892 	udelay(50);
1893 
1894 	evergreen_print_gpu_status_regs(rdev);
1895 }
1896 
1897 int cayman_asic_reset(struct radeon_device *rdev)
1898 {
1899 	u32 reset_mask;
1900 
1901 	reset_mask = cayman_gpu_check_soft_reset(rdev);
1902 
1903 	if (reset_mask)
1904 		r600_set_bios_scratch_engine_hung(rdev, true);
1905 
1906 	cayman_gpu_soft_reset(rdev, reset_mask);
1907 
1908 	reset_mask = cayman_gpu_check_soft_reset(rdev);
1909 
1910 	if (reset_mask)
1911 		evergreen_gpu_pci_config_reset(rdev);
1912 
1913 	r600_set_bios_scratch_engine_hung(rdev, false);
1914 
1915 	return 0;
1916 }
1917 
1918 /**
1919  * cayman_gfx_is_lockup - Check if the GFX engine is locked up
1920  *
1921  * @rdev: radeon_device pointer
1922  * @ring: radeon_ring structure holding ring information
1923  *
1924  * Check if the GFX engine is locked up.
1925  * Returns true if the engine appears to be locked up, false if not.
1926  */
1927 bool cayman_gfx_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
1928 {
1929 	u32 reset_mask = cayman_gpu_check_soft_reset(rdev);
1930 
1931 	if (!(reset_mask & (RADEON_RESET_GFX |
1932 			    RADEON_RESET_COMPUTE |
1933 			    RADEON_RESET_CP))) {
1934 		radeon_ring_lockup_update(rdev, ring);
1935 		return false;
1936 	}
1937 	return radeon_ring_test_lockup(rdev, ring);
1938 }
1939 
1940 static int cayman_startup(struct radeon_device *rdev)
1941 {
1942 	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1943 	int r;
1944 
1945 	/* enable pcie gen2 link */
1946 	evergreen_pcie_gen2_enable(rdev);
1947 	/* enable aspm */
1948 	evergreen_program_aspm(rdev);
1949 
1950 	/* scratch needs to be initialized before MC */
1951 	r = r600_vram_scratch_init(rdev);
1952 	if (r)
1953 		return r;
1954 
1955 	evergreen_mc_program(rdev);
1956 
1957 	if (!(rdev->flags & RADEON_IS_IGP) && !rdev->pm.dpm_enabled) {
1958 		r = ni_mc_load_microcode(rdev);
1959 		if (r) {
1960 			DRM_ERROR("Failed to load MC firmware!\n");
1961 			return r;
1962 		}
1963 	}
1964 
1965 	r = cayman_pcie_gart_enable(rdev);
1966 	if (r)
1967 		return r;
1968 	cayman_gpu_init(rdev);
1969 
1970 	/* allocate rlc buffers */
1971 	if (rdev->flags & RADEON_IS_IGP) {
1972 		rdev->rlc.reg_list = tn_rlc_save_restore_register_list;
1973 		rdev->rlc.reg_list_size =
1974 			(u32)ARRAY_SIZE(tn_rlc_save_restore_register_list);
1975 		rdev->rlc.cs_data = cayman_cs_data;
1976 		r = sumo_rlc_init(rdev);
1977 		if (r) {
1978 			DRM_ERROR("Failed to init rlc BOs!\n");
1979 			return r;
1980 		}
1981 	}
1982 
1983 	/* allocate wb buffer */
1984 	r = radeon_wb_init(rdev);
1985 	if (r)
1986 		return r;
1987 
1988 	r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
1989 	if (r) {
1990 		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
1991 		return r;
1992 	}
1993 
1994 	r = uvd_v2_2_resume(rdev);
1995 	if (!r) {
1996 		r = radeon_fence_driver_start_ring(rdev,
1997 						   R600_RING_TYPE_UVD_INDEX);
1998 		if (r)
1999 			dev_err(rdev->dev, "UVD fences init error (%d).\n", r);
2000 	}
2001 	if (r)
2002 		rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size = 0;
2003 
2004 	r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_CP1_INDEX);
2005 	if (r) {
2006 		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
2007 		return r;
2008 	}
2009 
2010 	r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_CP2_INDEX);
2011 	if (r) {
2012 		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
2013 		return r;
2014 	}
2015 
2016 	r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_DMA_INDEX);
2017 	if (r) {
2018 		dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r);
2019 		return r;
2020 	}
2021 
2022 	r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_DMA1_INDEX);
2023 	if (r) {
2024 		dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r);
2025 		return r;
2026 	}
2027 
2028 	/* Enable IRQ */
2029 	if (!rdev->irq.installed) {
2030 		r = radeon_irq_kms_init(rdev);
2031 		if (r)
2032 			return r;
2033 	}
2034 
2035 	r = r600_irq_init(rdev);
2036 	if (r) {
2037 		DRM_ERROR("radeon: IH init failed (%d).\n", r);
2038 		radeon_irq_kms_fini(rdev);
2039 		return r;
2040 	}
2041 	evergreen_irq_set(rdev);
2042 
2043 	r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET,
2044 			     RADEON_CP_PACKET2);
2045 	if (r)
2046 		return r;
2047 
2048 	ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];
2049 	r = radeon_ring_init(rdev, ring, ring->ring_size, R600_WB_DMA_RPTR_OFFSET,
2050 			     DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0));
2051 	if (r)
2052 		return r;
2053 
2054 	ring = &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX];
2055 	r = radeon_ring_init(rdev, ring, ring->ring_size, CAYMAN_WB_DMA1_RPTR_OFFSET,
2056 			     DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0));
2057 	if (r)
2058 		return r;
2059 
2060 	r = cayman_cp_load_microcode(rdev);
2061 	if (r)
2062 		return r;
2063 	r = cayman_cp_resume(rdev);
2064 	if (r)
2065 		return r;
2066 
2067 	r = cayman_dma_resume(rdev);
2068 	if (r)
2069 		return r;
2070 
2071 	ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
2072 	if (ring->ring_size) {
2073 		r = radeon_ring_init(rdev, ring, ring->ring_size, 0,
2074 				     RADEON_CP_PACKET2);
2075 		if (!r)
2076 			r = uvd_v1_0_init(rdev);
2077 		if (r)
2078 			DRM_ERROR("radeon: failed initializing UVD (%d).\n", r);
2079 	}
2080 
2081 	r = radeon_ib_pool_init(rdev);
2082 	if (r) {
2083 		dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
2084 		return r;
2085 	}
2086 
2087 	r = radeon_vm_manager_init(rdev);
2088 	if (r) {
2089 		dev_err(rdev->dev, "vm manager initialization failed (%d).\n", r);
2090 		return r;
2091 	}
2092 
2093 	if (ASIC_IS_DCE6(rdev)) {
2094 		r = dce6_audio_init(rdev);
2095 		if (r)
2096 			return r;
2097 	} else {
2098 		r = r600_audio_init(rdev);
2099 		if (r)
2100 			return r;
2101 	}
2102 
2103 	return 0;
2104 }
2105 
2106 int cayman_resume(struct radeon_device *rdev)
2107 {
2108 	int r;
2109 
2110 	/* Do not reset GPU before posting, on rv770 hw unlike on r500 hw,
2111 	 * posting will perform necessary task to bring back GPU into good
2112 	 * shape.
2113 	 */
2114 	/* post card */
2115 	atom_asic_init(rdev->mode_info.atom_context);
2116 
2117 	/* init golden registers */
2118 	ni_init_golden_registers(rdev);
2119 
2120 	if (rdev->pm.pm_method == PM_METHOD_DPM)
2121 		radeon_pm_resume(rdev);
2122 
2123 	rdev->accel_working = true;
2124 	r = cayman_startup(rdev);
2125 	if (r) {
2126 		DRM_ERROR("cayman startup failed on resume\n");
2127 		rdev->accel_working = false;
2128 		return r;
2129 	}
2130 	return r;
2131 }
2132 
2133 int cayman_suspend(struct radeon_device *rdev)
2134 {
2135 	radeon_pm_suspend(rdev);
2136 	if (ASIC_IS_DCE6(rdev))
2137 		dce6_audio_fini(rdev);
2138 	else
2139 		r600_audio_fini(rdev);
2140 	radeon_vm_manager_fini(rdev);
2141 	cayman_cp_enable(rdev, false);
2142 	cayman_dma_stop(rdev);
2143 	uvd_v1_0_fini(rdev);
2144 	radeon_uvd_suspend(rdev);
2145 	evergreen_irq_suspend(rdev);
2146 	radeon_wb_disable(rdev);
2147 	cayman_pcie_gart_disable(rdev);
2148 	return 0;
2149 }
2150 
2151 /* Plan is to move initialization in that function and use
2152  * helper function so that radeon_device_init pretty much
2153  * do nothing more than calling asic specific function. This
2154  * should also allow to remove a bunch of callback function
2155  * like vram_info.
2156  */
2157 int cayman_init(struct radeon_device *rdev)
2158 {
2159 	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
2160 	int r;
2161 
2162 	/* Read BIOS */
2163 	if (!radeon_get_bios(rdev)) {
2164 		if (ASIC_IS_AVIVO(rdev))
2165 			return -EINVAL;
2166 	}
2167 	/* Must be an ATOMBIOS */
2168 	if (!rdev->is_atom_bios) {
2169 		dev_err(rdev->dev, "Expecting atombios for cayman GPU\n");
2170 		return -EINVAL;
2171 	}
2172 	r = radeon_atombios_init(rdev);
2173 	if (r)
2174 		return r;
2175 
2176 	/* Post card if necessary */
2177 	if (!radeon_card_posted(rdev)) {
2178 		if (!rdev->bios) {
2179 			dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
2180 			return -EINVAL;
2181 		}
2182 		DRM_INFO("GPU not posted. posting now...\n");
2183 		atom_asic_init(rdev->mode_info.atom_context);
2184 	}
2185 	/* init golden registers */
2186 	ni_init_golden_registers(rdev);
2187 	/* Initialize scratch registers */
2188 	r600_scratch_init(rdev);
2189 	/* Initialize surface registers */
2190 	radeon_surface_init(rdev);
2191 	/* Initialize clocks */
2192 	radeon_get_clock_info(rdev->ddev);
2193 	/* Fence driver */
2194 	r = radeon_fence_driver_init(rdev);
2195 	if (r)
2196 		return r;
2197 	/* initialize memory controller */
2198 	r = evergreen_mc_init(rdev);
2199 	if (r)
2200 		return r;
2201 	/* Memory manager */
2202 	r = radeon_bo_init(rdev);
2203 	if (r)
2204 		return r;
2205 
2206 	if (rdev->flags & RADEON_IS_IGP) {
2207 		if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
2208 			r = ni_init_microcode(rdev);
2209 			if (r) {
2210 				DRM_ERROR("Failed to load firmware!\n");
2211 				return r;
2212 			}
2213 		}
2214 	} else {
2215 		if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw || !rdev->mc_fw) {
2216 			r = ni_init_microcode(rdev);
2217 			if (r) {
2218 				DRM_ERROR("Failed to load firmware!\n");
2219 				return r;
2220 			}
2221 		}
2222 	}
2223 
2224 	/* Initialize power management */
2225 	radeon_pm_init(rdev);
2226 
2227 	ring->ring_obj = NULL;
2228 	r600_ring_init(rdev, ring, 1024 * 1024);
2229 
2230 	ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];
2231 	ring->ring_obj = NULL;
2232 	r600_ring_init(rdev, ring, 64 * 1024);
2233 
2234 	ring = &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX];
2235 	ring->ring_obj = NULL;
2236 	r600_ring_init(rdev, ring, 64 * 1024);
2237 
2238 	r = radeon_uvd_init(rdev);
2239 	if (!r) {
2240 		ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
2241 		ring->ring_obj = NULL;
2242 		r600_ring_init(rdev, ring, 4096);
2243 	}
2244 
2245 	rdev->ih.ring_obj = NULL;
2246 	r600_ih_ring_init(rdev, 64 * 1024);
2247 
2248 	r = r600_pcie_gart_init(rdev);
2249 	if (r)
2250 		return r;
2251 
2252 	rdev->accel_working = true;
2253 	r = cayman_startup(rdev);
2254 	if (r) {
2255 		dev_err(rdev->dev, "disabling GPU acceleration\n");
2256 		cayman_cp_fini(rdev);
2257 		cayman_dma_fini(rdev);
2258 		r600_irq_fini(rdev);
2259 		if (rdev->flags & RADEON_IS_IGP)
2260 			sumo_rlc_fini(rdev);
2261 		radeon_wb_fini(rdev);
2262 		radeon_ib_pool_fini(rdev);
2263 		radeon_vm_manager_fini(rdev);
2264 		radeon_irq_kms_fini(rdev);
2265 		cayman_pcie_gart_fini(rdev);
2266 		rdev->accel_working = false;
2267 	}
2268 
2269 	/* Don't start up if the MC ucode is missing.
2270 	 * The default clocks and voltages before the MC ucode
2271 	 * is loaded are not suffient for advanced operations.
2272 	 *
2273 	 * We can skip this check for TN, because there is no MC
2274 	 * ucode.
2275 	 */
2276 	if (!rdev->mc_fw && !(rdev->flags & RADEON_IS_IGP)) {
2277 		DRM_ERROR("radeon: MC ucode required for NI+.\n");
2278 		return -EINVAL;
2279 	}
2280 
2281 	return 0;
2282 }
2283 
2284 void cayman_fini(struct radeon_device *rdev)
2285 {
2286 	radeon_pm_fini(rdev);
2287 	cayman_cp_fini(rdev);
2288 	cayman_dma_fini(rdev);
2289 	r600_irq_fini(rdev);
2290 	if (rdev->flags & RADEON_IS_IGP)
2291 		sumo_rlc_fini(rdev);
2292 	radeon_wb_fini(rdev);
2293 	radeon_vm_manager_fini(rdev);
2294 	radeon_ib_pool_fini(rdev);
2295 	radeon_irq_kms_fini(rdev);
2296 	uvd_v1_0_fini(rdev);
2297 	radeon_uvd_fini(rdev);
2298 	cayman_pcie_gart_fini(rdev);
2299 	r600_vram_scratch_fini(rdev);
2300 	radeon_gem_fini(rdev);
2301 	radeon_fence_driver_fini(rdev);
2302 	radeon_bo_fini(rdev);
2303 	radeon_atombios_fini(rdev);
2304 	kfree(rdev->bios);
2305 	rdev->bios = NULL;
2306 }
2307 
2308 /*
2309  * vm
2310  */
2311 int cayman_vm_init(struct radeon_device *rdev)
2312 {
2313 	/* number of VMs */
2314 	rdev->vm_manager.nvm = 8;
2315 	/* base offset of vram pages */
2316 	if (rdev->flags & RADEON_IS_IGP) {
2317 		u64 tmp = RREG32(FUS_MC_VM_FB_OFFSET);
2318 		tmp <<= 22;
2319 		rdev->vm_manager.vram_base_offset = tmp;
2320 	} else
2321 		rdev->vm_manager.vram_base_offset = 0;
2322 	return 0;
2323 }
2324 
2325 void cayman_vm_fini(struct radeon_device *rdev)
2326 {
2327 }
2328 
2329 /**
2330  * cayman_vm_decode_fault - print human readable fault info
2331  *
2332  * @rdev: radeon_device pointer
2333  * @status: VM_CONTEXT1_PROTECTION_FAULT_STATUS register value
2334  * @addr: VM_CONTEXT1_PROTECTION_FAULT_ADDR register value
2335  *
2336  * Print human readable fault information (cayman/TN).
2337  */
2338 void cayman_vm_decode_fault(struct radeon_device *rdev,
2339 			    u32 status, u32 addr)
2340 {
2341 	u32 mc_id = (status & MEMORY_CLIENT_ID_MASK) >> MEMORY_CLIENT_ID_SHIFT;
2342 	u32 vmid = (status & FAULT_VMID_MASK) >> FAULT_VMID_SHIFT;
2343 	u32 protections = (status & PROTECTIONS_MASK) >> PROTECTIONS_SHIFT;
2344 	char *block;
2345 
2346 	switch (mc_id) {
2347 	case 32:
2348 	case 16:
2349 	case 96:
2350 	case 80:
2351 	case 160:
2352 	case 144:
2353 	case 224:
2354 	case 208:
2355 		block = "CB";
2356 		break;
2357 	case 33:
2358 	case 17:
2359 	case 97:
2360 	case 81:
2361 	case 161:
2362 	case 145:
2363 	case 225:
2364 	case 209:
2365 		block = "CB_FMASK";
2366 		break;
2367 	case 34:
2368 	case 18:
2369 	case 98:
2370 	case 82:
2371 	case 162:
2372 	case 146:
2373 	case 226:
2374 	case 210:
2375 		block = "CB_CMASK";
2376 		break;
2377 	case 35:
2378 	case 19:
2379 	case 99:
2380 	case 83:
2381 	case 163:
2382 	case 147:
2383 	case 227:
2384 	case 211:
2385 		block = "CB_IMMED";
2386 		break;
2387 	case 36:
2388 	case 20:
2389 	case 100:
2390 	case 84:
2391 	case 164:
2392 	case 148:
2393 	case 228:
2394 	case 212:
2395 		block = "DB";
2396 		break;
2397 	case 37:
2398 	case 21:
2399 	case 101:
2400 	case 85:
2401 	case 165:
2402 	case 149:
2403 	case 229:
2404 	case 213:
2405 		block = "DB_HTILE";
2406 		break;
2407 	case 38:
2408 	case 22:
2409 	case 102:
2410 	case 86:
2411 	case 166:
2412 	case 150:
2413 	case 230:
2414 	case 214:
2415 		block = "SX";
2416 		break;
2417 	case 39:
2418 	case 23:
2419 	case 103:
2420 	case 87:
2421 	case 167:
2422 	case 151:
2423 	case 231:
2424 	case 215:
2425 		block = "DB_STEN";
2426 		break;
2427 	case 40:
2428 	case 24:
2429 	case 104:
2430 	case 88:
2431 	case 232:
2432 	case 216:
2433 	case 168:
2434 	case 152:
2435 		block = "TC_TFETCH";
2436 		break;
2437 	case 41:
2438 	case 25:
2439 	case 105:
2440 	case 89:
2441 	case 233:
2442 	case 217:
2443 	case 169:
2444 	case 153:
2445 		block = "TC_VFETCH";
2446 		break;
2447 	case 42:
2448 	case 26:
2449 	case 106:
2450 	case 90:
2451 	case 234:
2452 	case 218:
2453 	case 170:
2454 	case 154:
2455 		block = "VC";
2456 		break;
2457 	case 112:
2458 		block = "CP";
2459 		break;
2460 	case 113:
2461 	case 114:
2462 		block = "SH";
2463 		break;
2464 	case 115:
2465 		block = "VGT";
2466 		break;
2467 	case 178:
2468 		block = "IH";
2469 		break;
2470 	case 51:
2471 		block = "RLC";
2472 		break;
2473 	case 55:
2474 		block = "DMA";
2475 		break;
2476 	case 56:
2477 		block = "HDP";
2478 		break;
2479 	default:
2480 		block = "unknown";
2481 		break;
2482 	}
2483 
2484 	printk("VM fault (0x%02x, vmid %d) at page %u, %s from %s (%d)\n",
2485 	       protections, vmid, addr,
2486 	       (status & MEMORY_CLIENT_RW_MASK) ? "write" : "read",
2487 	       block, mc_id);
2488 }
2489 
2490 /**
2491  * cayman_vm_flush - vm flush using the CP
2492  *
2493  * @rdev: radeon_device pointer
2494  *
2495  * Update the page table base and flush the VM TLB
2496  * using the CP (cayman-si).
2497  */
2498 void cayman_vm_flush(struct radeon_device *rdev, int ridx, struct radeon_vm *vm)
2499 {
2500 	struct radeon_ring *ring = &rdev->ring[ridx];
2501 
2502 	if (vm == NULL)
2503 		return;
2504 
2505 	radeon_ring_write(ring, PACKET0(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (vm->id << 2), 0));
2506 	radeon_ring_write(ring, vm->pd_gpu_addr >> 12);
2507 
2508 	/* flush hdp cache */
2509 	radeon_ring_write(ring, PACKET0(HDP_MEM_COHERENCY_FLUSH_CNTL, 0));
2510 	radeon_ring_write(ring, 0x1);
2511 
2512 	/* bits 0-7 are the VM contexts0-7 */
2513 	radeon_ring_write(ring, PACKET0(VM_INVALIDATE_REQUEST, 0));
2514 	radeon_ring_write(ring, 1 << vm->id);
2515 
2516 	/* sync PFP to ME, otherwise we might get invalid PFP reads */
2517 	radeon_ring_write(ring, PACKET3(PACKET3_PFP_SYNC_ME, 0));
2518 	radeon_ring_write(ring, 0x0);
2519 }
2520