xref: /openbmc/linux/drivers/gpu/drm/radeon/rv770.c (revision 62e7ca52)
1 /*
2  * Copyright 2008 Advanced Micro Devices, Inc.
3  * Copyright 2008 Red Hat Inc.
4  * Copyright 2009 Jerome Glisse.
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a
7  * copy of this software and associated documentation files (the "Software"),
8  * to deal in the Software without restriction, including without limitation
9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10  * and/or sell copies of the Software, and to permit persons to whom the
11  * Software is furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included in
14  * all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22  * OTHER DEALINGS IN THE SOFTWARE.
23  *
24  * Authors: Dave Airlie
25  *          Alex Deucher
26  *          Jerome Glisse
27  */
28 #include <linux/firmware.h>
29 #include <linux/platform_device.h>
30 #include <linux/slab.h>
31 #include <drm/drmP.h>
32 #include "radeon.h"
33 #include "radeon_asic.h"
34 #include <drm/radeon_drm.h>
35 #include "rv770d.h"
36 #include "atom.h"
37 #include "avivod.h"
38 
39 #define R700_PFP_UCODE_SIZE 848
40 #define R700_PM4_UCODE_SIZE 1360
41 
42 static void rv770_gpu_init(struct radeon_device *rdev);
43 void rv770_fini(struct radeon_device *rdev);
44 static void rv770_pcie_gen2_enable(struct radeon_device *rdev);
45 int evergreen_set_uvd_clocks(struct radeon_device *rdev, u32 vclk, u32 dclk);
46 
47 int rv770_set_uvd_clocks(struct radeon_device *rdev, u32 vclk, u32 dclk)
48 {
49 	unsigned fb_div = 0, vclk_div = 0, dclk_div = 0;
50 	int r;
51 
52 	/* RV740 uses evergreen uvd clk programming */
53 	if (rdev->family == CHIP_RV740)
54 		return evergreen_set_uvd_clocks(rdev, vclk, dclk);
55 
56 	/* bypass vclk and dclk with bclk */
57 	WREG32_P(CG_UPLL_FUNC_CNTL_2,
58 		 VCLK_SRC_SEL(1) | DCLK_SRC_SEL(1),
59 		 ~(VCLK_SRC_SEL_MASK | DCLK_SRC_SEL_MASK));
60 
61 	if (!vclk || !dclk) {
62 		/* keep the Bypass mode, put PLL to sleep */
63 		WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_SLEEP_MASK, ~UPLL_SLEEP_MASK);
64 		return 0;
65 	}
66 
67 	r = radeon_uvd_calc_upll_dividers(rdev, vclk, dclk, 50000, 160000,
68 					  43663, 0x03FFFFFE, 1, 30, ~0,
69 					  &fb_div, &vclk_div, &dclk_div);
70 	if (r)
71 		return r;
72 
73 	fb_div |= 1;
74 	vclk_div -= 1;
75 	dclk_div -= 1;
76 
77 	/* set UPLL_FB_DIV to 0x50000 */
78 	WREG32_P(CG_UPLL_FUNC_CNTL_3, UPLL_FB_DIV(0x50000), ~UPLL_FB_DIV_MASK);
79 
80 	/* deassert UPLL_RESET and UPLL_SLEEP */
81 	WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~(UPLL_RESET_MASK | UPLL_SLEEP_MASK));
82 
83 	/* assert BYPASS EN and FB_DIV[0] <- ??? why? */
84 	WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_BYPASS_EN_MASK, ~UPLL_BYPASS_EN_MASK);
85 	WREG32_P(CG_UPLL_FUNC_CNTL_3, UPLL_FB_DIV(1), ~UPLL_FB_DIV(1));
86 
87 	r = radeon_uvd_send_upll_ctlreq(rdev, CG_UPLL_FUNC_CNTL);
88 	if (r)
89 		return r;
90 
91 	/* assert PLL_RESET */
92 	WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_RESET_MASK, ~UPLL_RESET_MASK);
93 
94 	/* set the required FB_DIV, REF_DIV, Post divder values */
95 	WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_REF_DIV(1), ~UPLL_REF_DIV_MASK);
96 	WREG32_P(CG_UPLL_FUNC_CNTL_2,
97 		 UPLL_SW_HILEN(vclk_div >> 1) |
98 		 UPLL_SW_LOLEN((vclk_div >> 1) + (vclk_div & 1)) |
99 		 UPLL_SW_HILEN2(dclk_div >> 1) |
100 		 UPLL_SW_LOLEN2((dclk_div >> 1) + (dclk_div & 1)),
101 		 ~UPLL_SW_MASK);
102 
103 	WREG32_P(CG_UPLL_FUNC_CNTL_3, UPLL_FB_DIV(fb_div),
104 		 ~UPLL_FB_DIV_MASK);
105 
106 	/* give the PLL some time to settle */
107 	mdelay(15);
108 
109 	/* deassert PLL_RESET */
110 	WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_RESET_MASK);
111 
112 	mdelay(15);
113 
114 	/* deassert BYPASS EN and FB_DIV[0] <- ??? why? */
115 	WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_BYPASS_EN_MASK);
116 	WREG32_P(CG_UPLL_FUNC_CNTL_3, 0, ~UPLL_FB_DIV(1));
117 
118 	r = radeon_uvd_send_upll_ctlreq(rdev, CG_UPLL_FUNC_CNTL);
119 	if (r)
120 		return r;
121 
122 	/* switch VCLK and DCLK selection */
123 	WREG32_P(CG_UPLL_FUNC_CNTL_2,
124 		 VCLK_SRC_SEL(2) | DCLK_SRC_SEL(2),
125 		 ~(VCLK_SRC_SEL_MASK | DCLK_SRC_SEL_MASK));
126 
127 	mdelay(100);
128 
129 	return 0;
130 }
131 
132 static const u32 r7xx_golden_registers[] =
133 {
134 	0x8d00, 0xffffffff, 0x0e0e0074,
135 	0x8d04, 0xffffffff, 0x013a2b34,
136 	0x9508, 0xffffffff, 0x00000002,
137 	0x8b20, 0xffffffff, 0,
138 	0x88c4, 0xffffffff, 0x000000c2,
139 	0x28350, 0xffffffff, 0,
140 	0x9058, 0xffffffff, 0x0fffc40f,
141 	0x240c, 0xffffffff, 0x00000380,
142 	0x733c, 0xffffffff, 0x00000002,
143 	0x2650, 0x00040000, 0,
144 	0x20bc, 0x00040000, 0,
145 	0x7300, 0xffffffff, 0x001000f0
146 };
147 
148 static const u32 r7xx_golden_dyn_gpr_registers[] =
149 {
150 	0x8db0, 0xffffffff, 0x98989898,
151 	0x8db4, 0xffffffff, 0x98989898,
152 	0x8db8, 0xffffffff, 0x98989898,
153 	0x8dbc, 0xffffffff, 0x98989898,
154 	0x8dc0, 0xffffffff, 0x98989898,
155 	0x8dc4, 0xffffffff, 0x98989898,
156 	0x8dc8, 0xffffffff, 0x98989898,
157 	0x8dcc, 0xffffffff, 0x98989898,
158 	0x88c4, 0xffffffff, 0x00000082
159 };
160 
161 static const u32 rv770_golden_registers[] =
162 {
163 	0x562c, 0xffffffff, 0,
164 	0x3f90, 0xffffffff, 0,
165 	0x9148, 0xffffffff, 0,
166 	0x3f94, 0xffffffff, 0,
167 	0x914c, 0xffffffff, 0,
168 	0x9698, 0x18000000, 0x18000000
169 };
170 
171 static const u32 rv770ce_golden_registers[] =
172 {
173 	0x562c, 0xffffffff, 0,
174 	0x3f90, 0xffffffff, 0x00cc0000,
175 	0x9148, 0xffffffff, 0x00cc0000,
176 	0x3f94, 0xffffffff, 0x00cc0000,
177 	0x914c, 0xffffffff, 0x00cc0000,
178 	0x9b7c, 0xffffffff, 0x00fa0000,
179 	0x3f8c, 0xffffffff, 0x00fa0000,
180 	0x9698, 0x18000000, 0x18000000
181 };
182 
183 static const u32 rv770_mgcg_init[] =
184 {
185 	0x8bcc, 0xffffffff, 0x130300f9,
186 	0x5448, 0xffffffff, 0x100,
187 	0x55e4, 0xffffffff, 0x100,
188 	0x160c, 0xffffffff, 0x100,
189 	0x5644, 0xffffffff, 0x100,
190 	0xc164, 0xffffffff, 0x100,
191 	0x8a18, 0xffffffff, 0x100,
192 	0x897c, 0xffffffff, 0x8000100,
193 	0x8b28, 0xffffffff, 0x3c000100,
194 	0x9144, 0xffffffff, 0x100,
195 	0x9a1c, 0xffffffff, 0x10000,
196 	0x9a50, 0xffffffff, 0x100,
197 	0x9a1c, 0xffffffff, 0x10001,
198 	0x9a50, 0xffffffff, 0x100,
199 	0x9a1c, 0xffffffff, 0x10002,
200 	0x9a50, 0xffffffff, 0x100,
201 	0x9a1c, 0xffffffff, 0x10003,
202 	0x9a50, 0xffffffff, 0x100,
203 	0x9a1c, 0xffffffff, 0x0,
204 	0x9870, 0xffffffff, 0x100,
205 	0x8d58, 0xffffffff, 0x100,
206 	0x9500, 0xffffffff, 0x0,
207 	0x9510, 0xffffffff, 0x100,
208 	0x9500, 0xffffffff, 0x1,
209 	0x9510, 0xffffffff, 0x100,
210 	0x9500, 0xffffffff, 0x2,
211 	0x9510, 0xffffffff, 0x100,
212 	0x9500, 0xffffffff, 0x3,
213 	0x9510, 0xffffffff, 0x100,
214 	0x9500, 0xffffffff, 0x4,
215 	0x9510, 0xffffffff, 0x100,
216 	0x9500, 0xffffffff, 0x5,
217 	0x9510, 0xffffffff, 0x100,
218 	0x9500, 0xffffffff, 0x6,
219 	0x9510, 0xffffffff, 0x100,
220 	0x9500, 0xffffffff, 0x7,
221 	0x9510, 0xffffffff, 0x100,
222 	0x9500, 0xffffffff, 0x8,
223 	0x9510, 0xffffffff, 0x100,
224 	0x9500, 0xffffffff, 0x9,
225 	0x9510, 0xffffffff, 0x100,
226 	0x9500, 0xffffffff, 0x8000,
227 	0x9490, 0xffffffff, 0x0,
228 	0x949c, 0xffffffff, 0x100,
229 	0x9490, 0xffffffff, 0x1,
230 	0x949c, 0xffffffff, 0x100,
231 	0x9490, 0xffffffff, 0x2,
232 	0x949c, 0xffffffff, 0x100,
233 	0x9490, 0xffffffff, 0x3,
234 	0x949c, 0xffffffff, 0x100,
235 	0x9490, 0xffffffff, 0x4,
236 	0x949c, 0xffffffff, 0x100,
237 	0x9490, 0xffffffff, 0x5,
238 	0x949c, 0xffffffff, 0x100,
239 	0x9490, 0xffffffff, 0x6,
240 	0x949c, 0xffffffff, 0x100,
241 	0x9490, 0xffffffff, 0x7,
242 	0x949c, 0xffffffff, 0x100,
243 	0x9490, 0xffffffff, 0x8,
244 	0x949c, 0xffffffff, 0x100,
245 	0x9490, 0xffffffff, 0x9,
246 	0x949c, 0xffffffff, 0x100,
247 	0x9490, 0xffffffff, 0x8000,
248 	0x9604, 0xffffffff, 0x0,
249 	0x9654, 0xffffffff, 0x100,
250 	0x9604, 0xffffffff, 0x1,
251 	0x9654, 0xffffffff, 0x100,
252 	0x9604, 0xffffffff, 0x2,
253 	0x9654, 0xffffffff, 0x100,
254 	0x9604, 0xffffffff, 0x3,
255 	0x9654, 0xffffffff, 0x100,
256 	0x9604, 0xffffffff, 0x4,
257 	0x9654, 0xffffffff, 0x100,
258 	0x9604, 0xffffffff, 0x5,
259 	0x9654, 0xffffffff, 0x100,
260 	0x9604, 0xffffffff, 0x6,
261 	0x9654, 0xffffffff, 0x100,
262 	0x9604, 0xffffffff, 0x7,
263 	0x9654, 0xffffffff, 0x100,
264 	0x9604, 0xffffffff, 0x8,
265 	0x9654, 0xffffffff, 0x100,
266 	0x9604, 0xffffffff, 0x9,
267 	0x9654, 0xffffffff, 0x100,
268 	0x9604, 0xffffffff, 0x80000000,
269 	0x9030, 0xffffffff, 0x100,
270 	0x9034, 0xffffffff, 0x100,
271 	0x9038, 0xffffffff, 0x100,
272 	0x903c, 0xffffffff, 0x100,
273 	0x9040, 0xffffffff, 0x100,
274 	0xa200, 0xffffffff, 0x100,
275 	0xa204, 0xffffffff, 0x100,
276 	0xa208, 0xffffffff, 0x100,
277 	0xa20c, 0xffffffff, 0x100,
278 	0x971c, 0xffffffff, 0x100,
279 	0x915c, 0xffffffff, 0x00020001,
280 	0x9160, 0xffffffff, 0x00040003,
281 	0x916c, 0xffffffff, 0x00060005,
282 	0x9170, 0xffffffff, 0x00080007,
283 	0x9174, 0xffffffff, 0x000a0009,
284 	0x9178, 0xffffffff, 0x000c000b,
285 	0x917c, 0xffffffff, 0x000e000d,
286 	0x9180, 0xffffffff, 0x0010000f,
287 	0x918c, 0xffffffff, 0x00120011,
288 	0x9190, 0xffffffff, 0x00140013,
289 	0x9194, 0xffffffff, 0x00020001,
290 	0x9198, 0xffffffff, 0x00040003,
291 	0x919c, 0xffffffff, 0x00060005,
292 	0x91a8, 0xffffffff, 0x00080007,
293 	0x91ac, 0xffffffff, 0x000a0009,
294 	0x91b0, 0xffffffff, 0x000c000b,
295 	0x91b4, 0xffffffff, 0x000e000d,
296 	0x91b8, 0xffffffff, 0x0010000f,
297 	0x91c4, 0xffffffff, 0x00120011,
298 	0x91c8, 0xffffffff, 0x00140013,
299 	0x91cc, 0xffffffff, 0x00020001,
300 	0x91d0, 0xffffffff, 0x00040003,
301 	0x91d4, 0xffffffff, 0x00060005,
302 	0x91e0, 0xffffffff, 0x00080007,
303 	0x91e4, 0xffffffff, 0x000a0009,
304 	0x91e8, 0xffffffff, 0x000c000b,
305 	0x91ec, 0xffffffff, 0x00020001,
306 	0x91f0, 0xffffffff, 0x00040003,
307 	0x91f4, 0xffffffff, 0x00060005,
308 	0x9200, 0xffffffff, 0x00080007,
309 	0x9204, 0xffffffff, 0x000a0009,
310 	0x9208, 0xffffffff, 0x000c000b,
311 	0x920c, 0xffffffff, 0x000e000d,
312 	0x9210, 0xffffffff, 0x0010000f,
313 	0x921c, 0xffffffff, 0x00120011,
314 	0x9220, 0xffffffff, 0x00140013,
315 	0x9224, 0xffffffff, 0x00020001,
316 	0x9228, 0xffffffff, 0x00040003,
317 	0x922c, 0xffffffff, 0x00060005,
318 	0x9238, 0xffffffff, 0x00080007,
319 	0x923c, 0xffffffff, 0x000a0009,
320 	0x9240, 0xffffffff, 0x000c000b,
321 	0x9244, 0xffffffff, 0x000e000d,
322 	0x9248, 0xffffffff, 0x0010000f,
323 	0x9254, 0xffffffff, 0x00120011,
324 	0x9258, 0xffffffff, 0x00140013,
325 	0x925c, 0xffffffff, 0x00020001,
326 	0x9260, 0xffffffff, 0x00040003,
327 	0x9264, 0xffffffff, 0x00060005,
328 	0x9270, 0xffffffff, 0x00080007,
329 	0x9274, 0xffffffff, 0x000a0009,
330 	0x9278, 0xffffffff, 0x000c000b,
331 	0x927c, 0xffffffff, 0x000e000d,
332 	0x9280, 0xffffffff, 0x0010000f,
333 	0x928c, 0xffffffff, 0x00120011,
334 	0x9290, 0xffffffff, 0x00140013,
335 	0x9294, 0xffffffff, 0x00020001,
336 	0x929c, 0xffffffff, 0x00040003,
337 	0x92a0, 0xffffffff, 0x00060005,
338 	0x92a4, 0xffffffff, 0x00080007
339 };
340 
341 static const u32 rv710_golden_registers[] =
342 {
343 	0x3f90, 0x00ff0000, 0x00fc0000,
344 	0x9148, 0x00ff0000, 0x00fc0000,
345 	0x3f94, 0x00ff0000, 0x00fc0000,
346 	0x914c, 0x00ff0000, 0x00fc0000,
347 	0xb4c, 0x00000020, 0x00000020,
348 	0xa180, 0xffffffff, 0x00003f3f
349 };
350 
351 static const u32 rv710_mgcg_init[] =
352 {
353 	0x8bcc, 0xffffffff, 0x13030040,
354 	0x5448, 0xffffffff, 0x100,
355 	0x55e4, 0xffffffff, 0x100,
356 	0x160c, 0xffffffff, 0x100,
357 	0x5644, 0xffffffff, 0x100,
358 	0xc164, 0xffffffff, 0x100,
359 	0x8a18, 0xffffffff, 0x100,
360 	0x897c, 0xffffffff, 0x8000100,
361 	0x8b28, 0xffffffff, 0x3c000100,
362 	0x9144, 0xffffffff, 0x100,
363 	0x9a1c, 0xffffffff, 0x10000,
364 	0x9a50, 0xffffffff, 0x100,
365 	0x9a1c, 0xffffffff, 0x0,
366 	0x9870, 0xffffffff, 0x100,
367 	0x8d58, 0xffffffff, 0x100,
368 	0x9500, 0xffffffff, 0x0,
369 	0x9510, 0xffffffff, 0x100,
370 	0x9500, 0xffffffff, 0x1,
371 	0x9510, 0xffffffff, 0x100,
372 	0x9500, 0xffffffff, 0x8000,
373 	0x9490, 0xffffffff, 0x0,
374 	0x949c, 0xffffffff, 0x100,
375 	0x9490, 0xffffffff, 0x1,
376 	0x949c, 0xffffffff, 0x100,
377 	0x9490, 0xffffffff, 0x8000,
378 	0x9604, 0xffffffff, 0x0,
379 	0x9654, 0xffffffff, 0x100,
380 	0x9604, 0xffffffff, 0x1,
381 	0x9654, 0xffffffff, 0x100,
382 	0x9604, 0xffffffff, 0x80000000,
383 	0x9030, 0xffffffff, 0x100,
384 	0x9034, 0xffffffff, 0x100,
385 	0x9038, 0xffffffff, 0x100,
386 	0x903c, 0xffffffff, 0x100,
387 	0x9040, 0xffffffff, 0x100,
388 	0xa200, 0xffffffff, 0x100,
389 	0xa204, 0xffffffff, 0x100,
390 	0xa208, 0xffffffff, 0x100,
391 	0xa20c, 0xffffffff, 0x100,
392 	0x971c, 0xffffffff, 0x100,
393 	0x915c, 0xffffffff, 0x00020001,
394 	0x9174, 0xffffffff, 0x00000003,
395 	0x9178, 0xffffffff, 0x00050001,
396 	0x917c, 0xffffffff, 0x00030002,
397 	0x918c, 0xffffffff, 0x00000004,
398 	0x9190, 0xffffffff, 0x00070006,
399 	0x9194, 0xffffffff, 0x00050001,
400 	0x9198, 0xffffffff, 0x00030002,
401 	0x91a8, 0xffffffff, 0x00000004,
402 	0x91ac, 0xffffffff, 0x00070006,
403 	0x91e8, 0xffffffff, 0x00000001,
404 	0x9294, 0xffffffff, 0x00000001,
405 	0x929c, 0xffffffff, 0x00000002,
406 	0x92a0, 0xffffffff, 0x00040003,
407 	0x9150, 0xffffffff, 0x4d940000
408 };
409 
410 static const u32 rv730_golden_registers[] =
411 {
412 	0x3f90, 0x00ff0000, 0x00f00000,
413 	0x9148, 0x00ff0000, 0x00f00000,
414 	0x3f94, 0x00ff0000, 0x00f00000,
415 	0x914c, 0x00ff0000, 0x00f00000,
416 	0x900c, 0xffffffff, 0x003b033f,
417 	0xb4c, 0x00000020, 0x00000020,
418 	0xa180, 0xffffffff, 0x00003f3f
419 };
420 
421 static const u32 rv730_mgcg_init[] =
422 {
423 	0x8bcc, 0xffffffff, 0x130300f9,
424 	0x5448, 0xffffffff, 0x100,
425 	0x55e4, 0xffffffff, 0x100,
426 	0x160c, 0xffffffff, 0x100,
427 	0x5644, 0xffffffff, 0x100,
428 	0xc164, 0xffffffff, 0x100,
429 	0x8a18, 0xffffffff, 0x100,
430 	0x897c, 0xffffffff, 0x8000100,
431 	0x8b28, 0xffffffff, 0x3c000100,
432 	0x9144, 0xffffffff, 0x100,
433 	0x9a1c, 0xffffffff, 0x10000,
434 	0x9a50, 0xffffffff, 0x100,
435 	0x9a1c, 0xffffffff, 0x10001,
436 	0x9a50, 0xffffffff, 0x100,
437 	0x9a1c, 0xffffffff, 0x0,
438 	0x9870, 0xffffffff, 0x100,
439 	0x8d58, 0xffffffff, 0x100,
440 	0x9500, 0xffffffff, 0x0,
441 	0x9510, 0xffffffff, 0x100,
442 	0x9500, 0xffffffff, 0x1,
443 	0x9510, 0xffffffff, 0x100,
444 	0x9500, 0xffffffff, 0x2,
445 	0x9510, 0xffffffff, 0x100,
446 	0x9500, 0xffffffff, 0x3,
447 	0x9510, 0xffffffff, 0x100,
448 	0x9500, 0xffffffff, 0x4,
449 	0x9510, 0xffffffff, 0x100,
450 	0x9500, 0xffffffff, 0x5,
451 	0x9510, 0xffffffff, 0x100,
452 	0x9500, 0xffffffff, 0x6,
453 	0x9510, 0xffffffff, 0x100,
454 	0x9500, 0xffffffff, 0x7,
455 	0x9510, 0xffffffff, 0x100,
456 	0x9500, 0xffffffff, 0x8000,
457 	0x9490, 0xffffffff, 0x0,
458 	0x949c, 0xffffffff, 0x100,
459 	0x9490, 0xffffffff, 0x1,
460 	0x949c, 0xffffffff, 0x100,
461 	0x9490, 0xffffffff, 0x2,
462 	0x949c, 0xffffffff, 0x100,
463 	0x9490, 0xffffffff, 0x3,
464 	0x949c, 0xffffffff, 0x100,
465 	0x9490, 0xffffffff, 0x4,
466 	0x949c, 0xffffffff, 0x100,
467 	0x9490, 0xffffffff, 0x5,
468 	0x949c, 0xffffffff, 0x100,
469 	0x9490, 0xffffffff, 0x6,
470 	0x949c, 0xffffffff, 0x100,
471 	0x9490, 0xffffffff, 0x7,
472 	0x949c, 0xffffffff, 0x100,
473 	0x9490, 0xffffffff, 0x8000,
474 	0x9604, 0xffffffff, 0x0,
475 	0x9654, 0xffffffff, 0x100,
476 	0x9604, 0xffffffff, 0x1,
477 	0x9654, 0xffffffff, 0x100,
478 	0x9604, 0xffffffff, 0x2,
479 	0x9654, 0xffffffff, 0x100,
480 	0x9604, 0xffffffff, 0x3,
481 	0x9654, 0xffffffff, 0x100,
482 	0x9604, 0xffffffff, 0x4,
483 	0x9654, 0xffffffff, 0x100,
484 	0x9604, 0xffffffff, 0x5,
485 	0x9654, 0xffffffff, 0x100,
486 	0x9604, 0xffffffff, 0x6,
487 	0x9654, 0xffffffff, 0x100,
488 	0x9604, 0xffffffff, 0x7,
489 	0x9654, 0xffffffff, 0x100,
490 	0x9604, 0xffffffff, 0x80000000,
491 	0x9030, 0xffffffff, 0x100,
492 	0x9034, 0xffffffff, 0x100,
493 	0x9038, 0xffffffff, 0x100,
494 	0x903c, 0xffffffff, 0x100,
495 	0x9040, 0xffffffff, 0x100,
496 	0xa200, 0xffffffff, 0x100,
497 	0xa204, 0xffffffff, 0x100,
498 	0xa208, 0xffffffff, 0x100,
499 	0xa20c, 0xffffffff, 0x100,
500 	0x971c, 0xffffffff, 0x100,
501 	0x915c, 0xffffffff, 0x00020001,
502 	0x916c, 0xffffffff, 0x00040003,
503 	0x9170, 0xffffffff, 0x00000005,
504 	0x9178, 0xffffffff, 0x00050001,
505 	0x917c, 0xffffffff, 0x00030002,
506 	0x918c, 0xffffffff, 0x00000004,
507 	0x9190, 0xffffffff, 0x00070006,
508 	0x9194, 0xffffffff, 0x00050001,
509 	0x9198, 0xffffffff, 0x00030002,
510 	0x91a8, 0xffffffff, 0x00000004,
511 	0x91ac, 0xffffffff, 0x00070006,
512 	0x91b0, 0xffffffff, 0x00050001,
513 	0x91b4, 0xffffffff, 0x00030002,
514 	0x91c4, 0xffffffff, 0x00000004,
515 	0x91c8, 0xffffffff, 0x00070006,
516 	0x91cc, 0xffffffff, 0x00050001,
517 	0x91d0, 0xffffffff, 0x00030002,
518 	0x91e0, 0xffffffff, 0x00000004,
519 	0x91e4, 0xffffffff, 0x00070006,
520 	0x91e8, 0xffffffff, 0x00000001,
521 	0x91ec, 0xffffffff, 0x00050001,
522 	0x91f0, 0xffffffff, 0x00030002,
523 	0x9200, 0xffffffff, 0x00000004,
524 	0x9204, 0xffffffff, 0x00070006,
525 	0x9208, 0xffffffff, 0x00050001,
526 	0x920c, 0xffffffff, 0x00030002,
527 	0x921c, 0xffffffff, 0x00000004,
528 	0x9220, 0xffffffff, 0x00070006,
529 	0x9224, 0xffffffff, 0x00050001,
530 	0x9228, 0xffffffff, 0x00030002,
531 	0x9238, 0xffffffff, 0x00000004,
532 	0x923c, 0xffffffff, 0x00070006,
533 	0x9240, 0xffffffff, 0x00050001,
534 	0x9244, 0xffffffff, 0x00030002,
535 	0x9254, 0xffffffff, 0x00000004,
536 	0x9258, 0xffffffff, 0x00070006,
537 	0x9294, 0xffffffff, 0x00000001,
538 	0x929c, 0xffffffff, 0x00000002,
539 	0x92a0, 0xffffffff, 0x00040003,
540 	0x92a4, 0xffffffff, 0x00000005
541 };
542 
543 static const u32 rv740_golden_registers[] =
544 {
545 	0x88c4, 0xffffffff, 0x00000082,
546 	0x28a50, 0xfffffffc, 0x00000004,
547 	0x2650, 0x00040000, 0,
548 	0x20bc, 0x00040000, 0,
549 	0x733c, 0xffffffff, 0x00000002,
550 	0x7300, 0xffffffff, 0x001000f0,
551 	0x3f90, 0x00ff0000, 0,
552 	0x9148, 0x00ff0000, 0,
553 	0x3f94, 0x00ff0000, 0,
554 	0x914c, 0x00ff0000, 0,
555 	0x240c, 0xffffffff, 0x00000380,
556 	0x8a14, 0x00000007, 0x00000007,
557 	0x8b24, 0xffffffff, 0x00ff0fff,
558 	0x28a4c, 0xffffffff, 0x00004000,
559 	0xa180, 0xffffffff, 0x00003f3f,
560 	0x8d00, 0xffffffff, 0x0e0e003a,
561 	0x8d04, 0xffffffff, 0x013a0e2a,
562 	0x8c00, 0xffffffff, 0xe400000f,
563 	0x8db0, 0xffffffff, 0x98989898,
564 	0x8db4, 0xffffffff, 0x98989898,
565 	0x8db8, 0xffffffff, 0x98989898,
566 	0x8dbc, 0xffffffff, 0x98989898,
567 	0x8dc0, 0xffffffff, 0x98989898,
568 	0x8dc4, 0xffffffff, 0x98989898,
569 	0x8dc8, 0xffffffff, 0x98989898,
570 	0x8dcc, 0xffffffff, 0x98989898,
571 	0x9058, 0xffffffff, 0x0fffc40f,
572 	0x900c, 0xffffffff, 0x003b033f,
573 	0x28350, 0xffffffff, 0,
574 	0x8cf0, 0x1fffffff, 0x08e00420,
575 	0x9508, 0xffffffff, 0x00000002,
576 	0x88c4, 0xffffffff, 0x000000c2,
577 	0x9698, 0x18000000, 0x18000000
578 };
579 
580 static const u32 rv740_mgcg_init[] =
581 {
582 	0x8bcc, 0xffffffff, 0x13030100,
583 	0x5448, 0xffffffff, 0x100,
584 	0x55e4, 0xffffffff, 0x100,
585 	0x160c, 0xffffffff, 0x100,
586 	0x5644, 0xffffffff, 0x100,
587 	0xc164, 0xffffffff, 0x100,
588 	0x8a18, 0xffffffff, 0x100,
589 	0x897c, 0xffffffff, 0x100,
590 	0x8b28, 0xffffffff, 0x100,
591 	0x9144, 0xffffffff, 0x100,
592 	0x9a1c, 0xffffffff, 0x10000,
593 	0x9a50, 0xffffffff, 0x100,
594 	0x9a1c, 0xffffffff, 0x10001,
595 	0x9a50, 0xffffffff, 0x100,
596 	0x9a1c, 0xffffffff, 0x10002,
597 	0x9a50, 0xffffffff, 0x100,
598 	0x9a1c, 0xffffffff, 0x10003,
599 	0x9a50, 0xffffffff, 0x100,
600 	0x9a1c, 0xffffffff, 0x0,
601 	0x9870, 0xffffffff, 0x100,
602 	0x8d58, 0xffffffff, 0x100,
603 	0x9500, 0xffffffff, 0x0,
604 	0x9510, 0xffffffff, 0x100,
605 	0x9500, 0xffffffff, 0x1,
606 	0x9510, 0xffffffff, 0x100,
607 	0x9500, 0xffffffff, 0x2,
608 	0x9510, 0xffffffff, 0x100,
609 	0x9500, 0xffffffff, 0x3,
610 	0x9510, 0xffffffff, 0x100,
611 	0x9500, 0xffffffff, 0x4,
612 	0x9510, 0xffffffff, 0x100,
613 	0x9500, 0xffffffff, 0x5,
614 	0x9510, 0xffffffff, 0x100,
615 	0x9500, 0xffffffff, 0x6,
616 	0x9510, 0xffffffff, 0x100,
617 	0x9500, 0xffffffff, 0x7,
618 	0x9510, 0xffffffff, 0x100,
619 	0x9500, 0xffffffff, 0x8000,
620 	0x9490, 0xffffffff, 0x0,
621 	0x949c, 0xffffffff, 0x100,
622 	0x9490, 0xffffffff, 0x1,
623 	0x949c, 0xffffffff, 0x100,
624 	0x9490, 0xffffffff, 0x2,
625 	0x949c, 0xffffffff, 0x100,
626 	0x9490, 0xffffffff, 0x3,
627 	0x949c, 0xffffffff, 0x100,
628 	0x9490, 0xffffffff, 0x4,
629 	0x949c, 0xffffffff, 0x100,
630 	0x9490, 0xffffffff, 0x5,
631 	0x949c, 0xffffffff, 0x100,
632 	0x9490, 0xffffffff, 0x6,
633 	0x949c, 0xffffffff, 0x100,
634 	0x9490, 0xffffffff, 0x7,
635 	0x949c, 0xffffffff, 0x100,
636 	0x9490, 0xffffffff, 0x8000,
637 	0x9604, 0xffffffff, 0x0,
638 	0x9654, 0xffffffff, 0x100,
639 	0x9604, 0xffffffff, 0x1,
640 	0x9654, 0xffffffff, 0x100,
641 	0x9604, 0xffffffff, 0x2,
642 	0x9654, 0xffffffff, 0x100,
643 	0x9604, 0xffffffff, 0x3,
644 	0x9654, 0xffffffff, 0x100,
645 	0x9604, 0xffffffff, 0x4,
646 	0x9654, 0xffffffff, 0x100,
647 	0x9604, 0xffffffff, 0x5,
648 	0x9654, 0xffffffff, 0x100,
649 	0x9604, 0xffffffff, 0x6,
650 	0x9654, 0xffffffff, 0x100,
651 	0x9604, 0xffffffff, 0x7,
652 	0x9654, 0xffffffff, 0x100,
653 	0x9604, 0xffffffff, 0x80000000,
654 	0x9030, 0xffffffff, 0x100,
655 	0x9034, 0xffffffff, 0x100,
656 	0x9038, 0xffffffff, 0x100,
657 	0x903c, 0xffffffff, 0x100,
658 	0x9040, 0xffffffff, 0x100,
659 	0xa200, 0xffffffff, 0x100,
660 	0xa204, 0xffffffff, 0x100,
661 	0xa208, 0xffffffff, 0x100,
662 	0xa20c, 0xffffffff, 0x100,
663 	0x971c, 0xffffffff, 0x100,
664 	0x915c, 0xffffffff, 0x00020001,
665 	0x9160, 0xffffffff, 0x00040003,
666 	0x916c, 0xffffffff, 0x00060005,
667 	0x9170, 0xffffffff, 0x00080007,
668 	0x9174, 0xffffffff, 0x000a0009,
669 	0x9178, 0xffffffff, 0x000c000b,
670 	0x917c, 0xffffffff, 0x000e000d,
671 	0x9180, 0xffffffff, 0x0010000f,
672 	0x918c, 0xffffffff, 0x00120011,
673 	0x9190, 0xffffffff, 0x00140013,
674 	0x9194, 0xffffffff, 0x00020001,
675 	0x9198, 0xffffffff, 0x00040003,
676 	0x919c, 0xffffffff, 0x00060005,
677 	0x91a8, 0xffffffff, 0x00080007,
678 	0x91ac, 0xffffffff, 0x000a0009,
679 	0x91b0, 0xffffffff, 0x000c000b,
680 	0x91b4, 0xffffffff, 0x000e000d,
681 	0x91b8, 0xffffffff, 0x0010000f,
682 	0x91c4, 0xffffffff, 0x00120011,
683 	0x91c8, 0xffffffff, 0x00140013,
684 	0x91cc, 0xffffffff, 0x00020001,
685 	0x91d0, 0xffffffff, 0x00040003,
686 	0x91d4, 0xffffffff, 0x00060005,
687 	0x91e0, 0xffffffff, 0x00080007,
688 	0x91e4, 0xffffffff, 0x000a0009,
689 	0x91e8, 0xffffffff, 0x000c000b,
690 	0x91ec, 0xffffffff, 0x00020001,
691 	0x91f0, 0xffffffff, 0x00040003,
692 	0x91f4, 0xffffffff, 0x00060005,
693 	0x9200, 0xffffffff, 0x00080007,
694 	0x9204, 0xffffffff, 0x000a0009,
695 	0x9208, 0xffffffff, 0x000c000b,
696 	0x920c, 0xffffffff, 0x000e000d,
697 	0x9210, 0xffffffff, 0x0010000f,
698 	0x921c, 0xffffffff, 0x00120011,
699 	0x9220, 0xffffffff, 0x00140013,
700 	0x9224, 0xffffffff, 0x00020001,
701 	0x9228, 0xffffffff, 0x00040003,
702 	0x922c, 0xffffffff, 0x00060005,
703 	0x9238, 0xffffffff, 0x00080007,
704 	0x923c, 0xffffffff, 0x000a0009,
705 	0x9240, 0xffffffff, 0x000c000b,
706 	0x9244, 0xffffffff, 0x000e000d,
707 	0x9248, 0xffffffff, 0x0010000f,
708 	0x9254, 0xffffffff, 0x00120011,
709 	0x9258, 0xffffffff, 0x00140013,
710 	0x9294, 0xffffffff, 0x00020001,
711 	0x929c, 0xffffffff, 0x00040003,
712 	0x92a0, 0xffffffff, 0x00060005,
713 	0x92a4, 0xffffffff, 0x00080007
714 };
715 
716 static void rv770_init_golden_registers(struct radeon_device *rdev)
717 {
718 	switch (rdev->family) {
719 	case CHIP_RV770:
720 		radeon_program_register_sequence(rdev,
721 						 r7xx_golden_registers,
722 						 (const u32)ARRAY_SIZE(r7xx_golden_registers));
723 		radeon_program_register_sequence(rdev,
724 						 r7xx_golden_dyn_gpr_registers,
725 						 (const u32)ARRAY_SIZE(r7xx_golden_dyn_gpr_registers));
726 		if (rdev->pdev->device == 0x994e)
727 			radeon_program_register_sequence(rdev,
728 							 rv770ce_golden_registers,
729 							 (const u32)ARRAY_SIZE(rv770ce_golden_registers));
730 		else
731 			radeon_program_register_sequence(rdev,
732 							 rv770_golden_registers,
733 							 (const u32)ARRAY_SIZE(rv770_golden_registers));
734 		radeon_program_register_sequence(rdev,
735 						 rv770_mgcg_init,
736 						 (const u32)ARRAY_SIZE(rv770_mgcg_init));
737 		break;
738 	case CHIP_RV730:
739 		radeon_program_register_sequence(rdev,
740 						 r7xx_golden_registers,
741 						 (const u32)ARRAY_SIZE(r7xx_golden_registers));
742 		radeon_program_register_sequence(rdev,
743 						 r7xx_golden_dyn_gpr_registers,
744 						 (const u32)ARRAY_SIZE(r7xx_golden_dyn_gpr_registers));
745 		radeon_program_register_sequence(rdev,
746 						 rv730_golden_registers,
747 						 (const u32)ARRAY_SIZE(rv730_golden_registers));
748 		radeon_program_register_sequence(rdev,
749 						 rv730_mgcg_init,
750 						 (const u32)ARRAY_SIZE(rv730_mgcg_init));
751 		break;
752 	case CHIP_RV710:
753 		radeon_program_register_sequence(rdev,
754 						 r7xx_golden_registers,
755 						 (const u32)ARRAY_SIZE(r7xx_golden_registers));
756 		radeon_program_register_sequence(rdev,
757 						 r7xx_golden_dyn_gpr_registers,
758 						 (const u32)ARRAY_SIZE(r7xx_golden_dyn_gpr_registers));
759 		radeon_program_register_sequence(rdev,
760 						 rv710_golden_registers,
761 						 (const u32)ARRAY_SIZE(rv710_golden_registers));
762 		radeon_program_register_sequence(rdev,
763 						 rv710_mgcg_init,
764 						 (const u32)ARRAY_SIZE(rv710_mgcg_init));
765 		break;
766 	case CHIP_RV740:
767 		radeon_program_register_sequence(rdev,
768 						 rv740_golden_registers,
769 						 (const u32)ARRAY_SIZE(rv740_golden_registers));
770 		radeon_program_register_sequence(rdev,
771 						 rv740_mgcg_init,
772 						 (const u32)ARRAY_SIZE(rv740_mgcg_init));
773 		break;
774 	default:
775 		break;
776 	}
777 }
778 
779 #define PCIE_BUS_CLK                10000
780 #define TCLK                        (PCIE_BUS_CLK / 10)
781 
782 /**
783  * rv770_get_xclk - get the xclk
784  *
785  * @rdev: radeon_device pointer
786  *
787  * Returns the reference clock used by the gfx engine
788  * (r7xx-cayman).
789  */
790 u32 rv770_get_xclk(struct radeon_device *rdev)
791 {
792 	u32 reference_clock = rdev->clock.spll.reference_freq;
793 	u32 tmp = RREG32(CG_CLKPIN_CNTL);
794 
795 	if (tmp & MUX_TCLK_TO_XCLK)
796 		return TCLK;
797 
798 	if (tmp & XTALIN_DIVIDE)
799 		return reference_clock / 4;
800 
801 	return reference_clock;
802 }
803 
804 void rv770_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base)
805 {
806 	struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
807 	u32 tmp = RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset);
808 	int i;
809 
810 	/* Lock the graphics update lock */
811 	tmp |= AVIVO_D1GRPH_UPDATE_LOCK;
812 	WREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset, tmp);
813 
814 	/* update the scanout addresses */
815 	if (radeon_crtc->crtc_id) {
816 		WREG32(D2GRPH_SECONDARY_SURFACE_ADDRESS_HIGH, upper_32_bits(crtc_base));
817 		WREG32(D2GRPH_PRIMARY_SURFACE_ADDRESS_HIGH, upper_32_bits(crtc_base));
818 	} else {
819 		WREG32(D1GRPH_SECONDARY_SURFACE_ADDRESS_HIGH, upper_32_bits(crtc_base));
820 		WREG32(D1GRPH_PRIMARY_SURFACE_ADDRESS_HIGH, upper_32_bits(crtc_base));
821 	}
822 	WREG32(D1GRPH_SECONDARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
823 	       (u32)crtc_base);
824 	WREG32(D1GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
825 	       (u32)crtc_base);
826 
827 	/* Wait for update_pending to go high. */
828 	for (i = 0; i < rdev->usec_timeout; i++) {
829 		if (RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset) & AVIVO_D1GRPH_SURFACE_UPDATE_PENDING)
830 			break;
831 		udelay(1);
832 	}
833 	DRM_DEBUG("Update pending now high. Unlocking vupdate_lock.\n");
834 
835 	/* Unlock the lock, so double-buffering can take place inside vblank */
836 	tmp &= ~AVIVO_D1GRPH_UPDATE_LOCK;
837 	WREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset, tmp);
838 }
839 
840 bool rv770_page_flip_pending(struct radeon_device *rdev, int crtc_id)
841 {
842 	struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
843 
844 	/* Return current update_pending status: */
845 	return !!(RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset) &
846 		AVIVO_D1GRPH_SURFACE_UPDATE_PENDING);
847 }
848 
849 /* get temperature in millidegrees */
850 int rv770_get_temp(struct radeon_device *rdev)
851 {
852 	u32 temp = (RREG32(CG_MULT_THERMAL_STATUS) & ASIC_T_MASK) >>
853 		ASIC_T_SHIFT;
854 	int actual_temp;
855 
856 	if (temp & 0x400)
857 		actual_temp = -256;
858 	else if (temp & 0x200)
859 		actual_temp = 255;
860 	else if (temp & 0x100) {
861 		actual_temp = temp & 0x1ff;
862 		actual_temp |= ~0x1ff;
863 	} else
864 		actual_temp = temp & 0xff;
865 
866 	return (actual_temp * 1000) / 2;
867 }
868 
869 void rv770_pm_misc(struct radeon_device *rdev)
870 {
871 	int req_ps_idx = rdev->pm.requested_power_state_index;
872 	int req_cm_idx = rdev->pm.requested_clock_mode_index;
873 	struct radeon_power_state *ps = &rdev->pm.power_state[req_ps_idx];
874 	struct radeon_voltage *voltage = &ps->clock_info[req_cm_idx].voltage;
875 
876 	if ((voltage->type == VOLTAGE_SW) && voltage->voltage) {
877 		/* 0xff01 is a flag rather then an actual voltage */
878 		if (voltage->voltage == 0xff01)
879 			return;
880 		if (voltage->voltage != rdev->pm.current_vddc) {
881 			radeon_atom_set_voltage(rdev, voltage->voltage, SET_VOLTAGE_TYPE_ASIC_VDDC);
882 			rdev->pm.current_vddc = voltage->voltage;
883 			DRM_DEBUG("Setting: v: %d\n", voltage->voltage);
884 		}
885 	}
886 }
887 
888 /*
889  * GART
890  */
891 static int rv770_pcie_gart_enable(struct radeon_device *rdev)
892 {
893 	u32 tmp;
894 	int r, i;
895 
896 	if (rdev->gart.robj == NULL) {
897 		dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
898 		return -EINVAL;
899 	}
900 	r = radeon_gart_table_vram_pin(rdev);
901 	if (r)
902 		return r;
903 	radeon_gart_restore(rdev);
904 	/* Setup L2 cache */
905 	WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
906 				ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
907 				EFFECTIVE_L2_QUEUE_SIZE(7));
908 	WREG32(VM_L2_CNTL2, 0);
909 	WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
910 	/* Setup TLB control */
911 	tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
912 		SYSTEM_ACCESS_MODE_NOT_IN_SYS |
913 		SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
914 		EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
915 	WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
916 	WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
917 	WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
918 	if (rdev->family == CHIP_RV740)
919 		WREG32(MC_VM_MD_L1_TLB3_CNTL, tmp);
920 	WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
921 	WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
922 	WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
923 	WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
924 	WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
925 	WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
926 	WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
927 	WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
928 				RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
929 	WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
930 			(u32)(rdev->dummy_page.addr >> 12));
931 	for (i = 1; i < 7; i++)
932 		WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
933 
934 	r600_pcie_gart_tlb_flush(rdev);
935 	DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
936 		 (unsigned)(rdev->mc.gtt_size >> 20),
937 		 (unsigned long long)rdev->gart.table_addr);
938 	rdev->gart.ready = true;
939 	return 0;
940 }
941 
942 static void rv770_pcie_gart_disable(struct radeon_device *rdev)
943 {
944 	u32 tmp;
945 	int i;
946 
947 	/* Disable all tables */
948 	for (i = 0; i < 7; i++)
949 		WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
950 
951 	/* Setup L2 cache */
952 	WREG32(VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING |
953 				EFFECTIVE_L2_QUEUE_SIZE(7));
954 	WREG32(VM_L2_CNTL2, 0);
955 	WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
956 	/* Setup TLB control */
957 	tmp = EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
958 	WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
959 	WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
960 	WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
961 	WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
962 	WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
963 	WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
964 	WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
965 	radeon_gart_table_vram_unpin(rdev);
966 }
967 
968 static void rv770_pcie_gart_fini(struct radeon_device *rdev)
969 {
970 	radeon_gart_fini(rdev);
971 	rv770_pcie_gart_disable(rdev);
972 	radeon_gart_table_vram_free(rdev);
973 }
974 
975 
976 static void rv770_agp_enable(struct radeon_device *rdev)
977 {
978 	u32 tmp;
979 	int i;
980 
981 	/* Setup L2 cache */
982 	WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
983 				ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
984 				EFFECTIVE_L2_QUEUE_SIZE(7));
985 	WREG32(VM_L2_CNTL2, 0);
986 	WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
987 	/* Setup TLB control */
988 	tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
989 		SYSTEM_ACCESS_MODE_NOT_IN_SYS |
990 		SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
991 		EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
992 	WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
993 	WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
994 	WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
995 	WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
996 	WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
997 	WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
998 	WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
999 	for (i = 0; i < 7; i++)
1000 		WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
1001 }
1002 
1003 static void rv770_mc_program(struct radeon_device *rdev)
1004 {
1005 	struct rv515_mc_save save;
1006 	u32 tmp;
1007 	int i, j;
1008 
1009 	/* Initialize HDP */
1010 	for (i = 0, j = 0; i < 32; i++, j += 0x18) {
1011 		WREG32((0x2c14 + j), 0x00000000);
1012 		WREG32((0x2c18 + j), 0x00000000);
1013 		WREG32((0x2c1c + j), 0x00000000);
1014 		WREG32((0x2c20 + j), 0x00000000);
1015 		WREG32((0x2c24 + j), 0x00000000);
1016 	}
1017 	/* r7xx hw bug.  Read from HDP_DEBUG1 rather
1018 	 * than writing to HDP_REG_COHERENCY_FLUSH_CNTL
1019 	 */
1020 	tmp = RREG32(HDP_DEBUG1);
1021 
1022 	rv515_mc_stop(rdev, &save);
1023 	if (r600_mc_wait_for_idle(rdev)) {
1024 		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1025 	}
1026 	/* Lockout access through VGA aperture*/
1027 	WREG32(VGA_HDP_CONTROL, VGA_MEMORY_DISABLE);
1028 	/* Update configuration */
1029 	if (rdev->flags & RADEON_IS_AGP) {
1030 		if (rdev->mc.vram_start < rdev->mc.gtt_start) {
1031 			/* VRAM before AGP */
1032 			WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
1033 				rdev->mc.vram_start >> 12);
1034 			WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
1035 				rdev->mc.gtt_end >> 12);
1036 		} else {
1037 			/* VRAM after AGP */
1038 			WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
1039 				rdev->mc.gtt_start >> 12);
1040 			WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
1041 				rdev->mc.vram_end >> 12);
1042 		}
1043 	} else {
1044 		WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
1045 			rdev->mc.vram_start >> 12);
1046 		WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
1047 			rdev->mc.vram_end >> 12);
1048 	}
1049 	WREG32(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, rdev->vram_scratch.gpu_addr >> 12);
1050 	tmp = ((rdev->mc.vram_end >> 24) & 0xFFFF) << 16;
1051 	tmp |= ((rdev->mc.vram_start >> 24) & 0xFFFF);
1052 	WREG32(MC_VM_FB_LOCATION, tmp);
1053 	WREG32(HDP_NONSURFACE_BASE, (rdev->mc.vram_start >> 8));
1054 	WREG32(HDP_NONSURFACE_INFO, (2 << 7));
1055 	WREG32(HDP_NONSURFACE_SIZE, 0x3FFFFFFF);
1056 	if (rdev->flags & RADEON_IS_AGP) {
1057 		WREG32(MC_VM_AGP_TOP, rdev->mc.gtt_end >> 16);
1058 		WREG32(MC_VM_AGP_BOT, rdev->mc.gtt_start >> 16);
1059 		WREG32(MC_VM_AGP_BASE, rdev->mc.agp_base >> 22);
1060 	} else {
1061 		WREG32(MC_VM_AGP_BASE, 0);
1062 		WREG32(MC_VM_AGP_TOP, 0x0FFFFFFF);
1063 		WREG32(MC_VM_AGP_BOT, 0x0FFFFFFF);
1064 	}
1065 	if (r600_mc_wait_for_idle(rdev)) {
1066 		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1067 	}
1068 	rv515_mc_resume(rdev, &save);
1069 	/* we need to own VRAM, so turn off the VGA renderer here
1070 	 * to stop it overwriting our objects */
1071 	rv515_vga_render_disable(rdev);
1072 }
1073 
1074 
1075 /*
1076  * CP.
1077  */
1078 void r700_cp_stop(struct radeon_device *rdev)
1079 {
1080 	if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX)
1081 		radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
1082 	WREG32(CP_ME_CNTL, (CP_ME_HALT | CP_PFP_HALT));
1083 	WREG32(SCRATCH_UMSK, 0);
1084 	rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
1085 }
1086 
1087 static int rv770_cp_load_microcode(struct radeon_device *rdev)
1088 {
1089 	const __be32 *fw_data;
1090 	int i;
1091 
1092 	if (!rdev->me_fw || !rdev->pfp_fw)
1093 		return -EINVAL;
1094 
1095 	r700_cp_stop(rdev);
1096 	WREG32(CP_RB_CNTL,
1097 #ifdef __BIG_ENDIAN
1098 	       BUF_SWAP_32BIT |
1099 #endif
1100 	       RB_NO_UPDATE | RB_BLKSZ(15) | RB_BUFSZ(3));
1101 
1102 	/* Reset cp */
1103 	WREG32(GRBM_SOFT_RESET, SOFT_RESET_CP);
1104 	RREG32(GRBM_SOFT_RESET);
1105 	mdelay(15);
1106 	WREG32(GRBM_SOFT_RESET, 0);
1107 
1108 	fw_data = (const __be32 *)rdev->pfp_fw->data;
1109 	WREG32(CP_PFP_UCODE_ADDR, 0);
1110 	for (i = 0; i < R700_PFP_UCODE_SIZE; i++)
1111 		WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++));
1112 	WREG32(CP_PFP_UCODE_ADDR, 0);
1113 
1114 	fw_data = (const __be32 *)rdev->me_fw->data;
1115 	WREG32(CP_ME_RAM_WADDR, 0);
1116 	for (i = 0; i < R700_PM4_UCODE_SIZE; i++)
1117 		WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++));
1118 
1119 	WREG32(CP_PFP_UCODE_ADDR, 0);
1120 	WREG32(CP_ME_RAM_WADDR, 0);
1121 	WREG32(CP_ME_RAM_RADDR, 0);
1122 	return 0;
1123 }
1124 
1125 void r700_cp_fini(struct radeon_device *rdev)
1126 {
1127 	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1128 	r700_cp_stop(rdev);
1129 	radeon_ring_fini(rdev, ring);
1130 	radeon_scratch_free(rdev, ring->rptr_save_reg);
1131 }
1132 
1133 void rv770_set_clk_bypass_mode(struct radeon_device *rdev)
1134 {
1135 	u32 tmp, i;
1136 
1137 	if (rdev->flags & RADEON_IS_IGP)
1138 		return;
1139 
1140 	tmp = RREG32(CG_SPLL_FUNC_CNTL_2);
1141 	tmp &= SCLK_MUX_SEL_MASK;
1142 	tmp |= SCLK_MUX_SEL(1) | SCLK_MUX_UPDATE;
1143 	WREG32(CG_SPLL_FUNC_CNTL_2, tmp);
1144 
1145 	for (i = 0; i < rdev->usec_timeout; i++) {
1146 		if (RREG32(CG_SPLL_STATUS) & SPLL_CHG_STATUS)
1147 			break;
1148 		udelay(1);
1149 	}
1150 
1151 	tmp &= ~SCLK_MUX_UPDATE;
1152 	WREG32(CG_SPLL_FUNC_CNTL_2, tmp);
1153 
1154 	tmp = RREG32(MPLL_CNTL_MODE);
1155 	if ((rdev->family == CHIP_RV710) || (rdev->family == CHIP_RV730))
1156 		tmp &= ~RV730_MPLL_MCLK_SEL;
1157 	else
1158 		tmp &= ~MPLL_MCLK_SEL;
1159 	WREG32(MPLL_CNTL_MODE, tmp);
1160 }
1161 
1162 /*
1163  * Core functions
1164  */
1165 static void rv770_gpu_init(struct radeon_device *rdev)
1166 {
1167 	int i, j, num_qd_pipes;
1168 	u32 ta_aux_cntl;
1169 	u32 sx_debug_1;
1170 	u32 smx_dc_ctl0;
1171 	u32 db_debug3;
1172 	u32 num_gs_verts_per_thread;
1173 	u32 vgt_gs_per_es;
1174 	u32 gs_prim_buffer_depth = 0;
1175 	u32 sq_ms_fifo_sizes;
1176 	u32 sq_config;
1177 	u32 sq_thread_resource_mgmt;
1178 	u32 hdp_host_path_cntl;
1179 	u32 sq_dyn_gpr_size_simd_ab_0;
1180 	u32 gb_tiling_config = 0;
1181 	u32 cc_rb_backend_disable = 0;
1182 	u32 cc_gc_shader_pipe_config = 0;
1183 	u32 mc_arb_ramcfg;
1184 	u32 db_debug4, tmp;
1185 	u32 inactive_pipes, shader_pipe_config;
1186 	u32 disabled_rb_mask;
1187 	unsigned active_number;
1188 
1189 	/* setup chip specs */
1190 	rdev->config.rv770.tiling_group_size = 256;
1191 	switch (rdev->family) {
1192 	case CHIP_RV770:
1193 		rdev->config.rv770.max_pipes = 4;
1194 		rdev->config.rv770.max_tile_pipes = 8;
1195 		rdev->config.rv770.max_simds = 10;
1196 		rdev->config.rv770.max_backends = 4;
1197 		rdev->config.rv770.max_gprs = 256;
1198 		rdev->config.rv770.max_threads = 248;
1199 		rdev->config.rv770.max_stack_entries = 512;
1200 		rdev->config.rv770.max_hw_contexts = 8;
1201 		rdev->config.rv770.max_gs_threads = 16 * 2;
1202 		rdev->config.rv770.sx_max_export_size = 128;
1203 		rdev->config.rv770.sx_max_export_pos_size = 16;
1204 		rdev->config.rv770.sx_max_export_smx_size = 112;
1205 		rdev->config.rv770.sq_num_cf_insts = 2;
1206 
1207 		rdev->config.rv770.sx_num_of_sets = 7;
1208 		rdev->config.rv770.sc_prim_fifo_size = 0xF9;
1209 		rdev->config.rv770.sc_hiz_tile_fifo_size = 0x30;
1210 		rdev->config.rv770.sc_earlyz_tile_fifo_fize = 0x130;
1211 		break;
1212 	case CHIP_RV730:
1213 		rdev->config.rv770.max_pipes = 2;
1214 		rdev->config.rv770.max_tile_pipes = 4;
1215 		rdev->config.rv770.max_simds = 8;
1216 		rdev->config.rv770.max_backends = 2;
1217 		rdev->config.rv770.max_gprs = 128;
1218 		rdev->config.rv770.max_threads = 248;
1219 		rdev->config.rv770.max_stack_entries = 256;
1220 		rdev->config.rv770.max_hw_contexts = 8;
1221 		rdev->config.rv770.max_gs_threads = 16 * 2;
1222 		rdev->config.rv770.sx_max_export_size = 256;
1223 		rdev->config.rv770.sx_max_export_pos_size = 32;
1224 		rdev->config.rv770.sx_max_export_smx_size = 224;
1225 		rdev->config.rv770.sq_num_cf_insts = 2;
1226 
1227 		rdev->config.rv770.sx_num_of_sets = 7;
1228 		rdev->config.rv770.sc_prim_fifo_size = 0xf9;
1229 		rdev->config.rv770.sc_hiz_tile_fifo_size = 0x30;
1230 		rdev->config.rv770.sc_earlyz_tile_fifo_fize = 0x130;
1231 		if (rdev->config.rv770.sx_max_export_pos_size > 16) {
1232 			rdev->config.rv770.sx_max_export_pos_size -= 16;
1233 			rdev->config.rv770.sx_max_export_smx_size += 16;
1234 		}
1235 		break;
1236 	case CHIP_RV710:
1237 		rdev->config.rv770.max_pipes = 2;
1238 		rdev->config.rv770.max_tile_pipes = 2;
1239 		rdev->config.rv770.max_simds = 2;
1240 		rdev->config.rv770.max_backends = 1;
1241 		rdev->config.rv770.max_gprs = 256;
1242 		rdev->config.rv770.max_threads = 192;
1243 		rdev->config.rv770.max_stack_entries = 256;
1244 		rdev->config.rv770.max_hw_contexts = 4;
1245 		rdev->config.rv770.max_gs_threads = 8 * 2;
1246 		rdev->config.rv770.sx_max_export_size = 128;
1247 		rdev->config.rv770.sx_max_export_pos_size = 16;
1248 		rdev->config.rv770.sx_max_export_smx_size = 112;
1249 		rdev->config.rv770.sq_num_cf_insts = 1;
1250 
1251 		rdev->config.rv770.sx_num_of_sets = 7;
1252 		rdev->config.rv770.sc_prim_fifo_size = 0x40;
1253 		rdev->config.rv770.sc_hiz_tile_fifo_size = 0x30;
1254 		rdev->config.rv770.sc_earlyz_tile_fifo_fize = 0x130;
1255 		break;
1256 	case CHIP_RV740:
1257 		rdev->config.rv770.max_pipes = 4;
1258 		rdev->config.rv770.max_tile_pipes = 4;
1259 		rdev->config.rv770.max_simds = 8;
1260 		rdev->config.rv770.max_backends = 4;
1261 		rdev->config.rv770.max_gprs = 256;
1262 		rdev->config.rv770.max_threads = 248;
1263 		rdev->config.rv770.max_stack_entries = 512;
1264 		rdev->config.rv770.max_hw_contexts = 8;
1265 		rdev->config.rv770.max_gs_threads = 16 * 2;
1266 		rdev->config.rv770.sx_max_export_size = 256;
1267 		rdev->config.rv770.sx_max_export_pos_size = 32;
1268 		rdev->config.rv770.sx_max_export_smx_size = 224;
1269 		rdev->config.rv770.sq_num_cf_insts = 2;
1270 
1271 		rdev->config.rv770.sx_num_of_sets = 7;
1272 		rdev->config.rv770.sc_prim_fifo_size = 0x100;
1273 		rdev->config.rv770.sc_hiz_tile_fifo_size = 0x30;
1274 		rdev->config.rv770.sc_earlyz_tile_fifo_fize = 0x130;
1275 
1276 		if (rdev->config.rv770.sx_max_export_pos_size > 16) {
1277 			rdev->config.rv770.sx_max_export_pos_size -= 16;
1278 			rdev->config.rv770.sx_max_export_smx_size += 16;
1279 		}
1280 		break;
1281 	default:
1282 		break;
1283 	}
1284 
1285 	/* Initialize HDP */
1286 	j = 0;
1287 	for (i = 0; i < 32; i++) {
1288 		WREG32((0x2c14 + j), 0x00000000);
1289 		WREG32((0x2c18 + j), 0x00000000);
1290 		WREG32((0x2c1c + j), 0x00000000);
1291 		WREG32((0x2c20 + j), 0x00000000);
1292 		WREG32((0x2c24 + j), 0x00000000);
1293 		j += 0x18;
1294 	}
1295 
1296 	WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
1297 
1298 	/* setup tiling, simd, pipe config */
1299 	mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG);
1300 
1301 	shader_pipe_config = RREG32(CC_GC_SHADER_PIPE_CONFIG);
1302 	inactive_pipes = (shader_pipe_config & INACTIVE_QD_PIPES_MASK) >> INACTIVE_QD_PIPES_SHIFT;
1303 	for (i = 0, tmp = 1, active_number = 0; i < R7XX_MAX_PIPES; i++) {
1304 		if (!(inactive_pipes & tmp)) {
1305 			active_number++;
1306 		}
1307 		tmp <<= 1;
1308 	}
1309 	if (active_number == 1) {
1310 		WREG32(SPI_CONFIG_CNTL, DISABLE_INTERP_1);
1311 	} else {
1312 		WREG32(SPI_CONFIG_CNTL, 0);
1313 	}
1314 
1315 	cc_rb_backend_disable = RREG32(CC_RB_BACKEND_DISABLE) & 0x00ff0000;
1316 	tmp = R7XX_MAX_BACKENDS - r600_count_pipe_bits(cc_rb_backend_disable >> 16);
1317 	if (tmp < rdev->config.rv770.max_backends) {
1318 		rdev->config.rv770.max_backends = tmp;
1319 	}
1320 
1321 	cc_gc_shader_pipe_config = RREG32(CC_GC_SHADER_PIPE_CONFIG) & 0xffffff00;
1322 	tmp = R7XX_MAX_PIPES - r600_count_pipe_bits((cc_gc_shader_pipe_config >> 8) & R7XX_MAX_PIPES_MASK);
1323 	if (tmp < rdev->config.rv770.max_pipes) {
1324 		rdev->config.rv770.max_pipes = tmp;
1325 	}
1326 	tmp = R7XX_MAX_SIMDS - r600_count_pipe_bits((cc_gc_shader_pipe_config >> 16) & R7XX_MAX_SIMDS_MASK);
1327 	if (tmp < rdev->config.rv770.max_simds) {
1328 		rdev->config.rv770.max_simds = tmp;
1329 	}
1330 	tmp = rdev->config.rv770.max_simds -
1331 		r600_count_pipe_bits((cc_gc_shader_pipe_config >> 16) & R7XX_MAX_SIMDS_MASK);
1332 	rdev->config.rv770.active_simds = tmp;
1333 
1334 	switch (rdev->config.rv770.max_tile_pipes) {
1335 	case 1:
1336 	default:
1337 		gb_tiling_config = PIPE_TILING(0);
1338 		break;
1339 	case 2:
1340 		gb_tiling_config = PIPE_TILING(1);
1341 		break;
1342 	case 4:
1343 		gb_tiling_config = PIPE_TILING(2);
1344 		break;
1345 	case 8:
1346 		gb_tiling_config = PIPE_TILING(3);
1347 		break;
1348 	}
1349 	rdev->config.rv770.tiling_npipes = rdev->config.rv770.max_tile_pipes;
1350 
1351 	disabled_rb_mask = (RREG32(CC_RB_BACKEND_DISABLE) >> 16) & R7XX_MAX_BACKENDS_MASK;
1352 	tmp = (gb_tiling_config & PIPE_TILING__MASK) >> PIPE_TILING__SHIFT;
1353 	tmp = r6xx_remap_render_backend(rdev, tmp, rdev->config.rv770.max_backends,
1354 					R7XX_MAX_BACKENDS, disabled_rb_mask);
1355 	gb_tiling_config |= tmp << 16;
1356 	rdev->config.rv770.backend_map = tmp;
1357 
1358 	if (rdev->family == CHIP_RV770)
1359 		gb_tiling_config |= BANK_TILING(1);
1360 	else {
1361 		if ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT)
1362 			gb_tiling_config |= BANK_TILING(1);
1363 		else
1364 			gb_tiling_config |= BANK_TILING(0);
1365 	}
1366 	rdev->config.rv770.tiling_nbanks = 4 << ((gb_tiling_config >> 4) & 0x3);
1367 	gb_tiling_config |= GROUP_SIZE((mc_arb_ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT);
1368 	if (((mc_arb_ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT) > 3) {
1369 		gb_tiling_config |= ROW_TILING(3);
1370 		gb_tiling_config |= SAMPLE_SPLIT(3);
1371 	} else {
1372 		gb_tiling_config |=
1373 			ROW_TILING(((mc_arb_ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT));
1374 		gb_tiling_config |=
1375 			SAMPLE_SPLIT(((mc_arb_ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT));
1376 	}
1377 
1378 	gb_tiling_config |= BANK_SWAPS(1);
1379 	rdev->config.rv770.tile_config = gb_tiling_config;
1380 
1381 	WREG32(GB_TILING_CONFIG, gb_tiling_config);
1382 	WREG32(DCP_TILING_CONFIG, (gb_tiling_config & 0xffff));
1383 	WREG32(HDP_TILING_CONFIG, (gb_tiling_config & 0xffff));
1384 	WREG32(DMA_TILING_CONFIG, (gb_tiling_config & 0xffff));
1385 	WREG32(DMA_TILING_CONFIG2, (gb_tiling_config & 0xffff));
1386 	if (rdev->family == CHIP_RV730) {
1387 		WREG32(UVD_UDEC_DB_TILING_CONFIG, (gb_tiling_config & 0xffff));
1388 		WREG32(UVD_UDEC_DBW_TILING_CONFIG, (gb_tiling_config & 0xffff));
1389 		WREG32(UVD_UDEC_TILING_CONFIG, (gb_tiling_config & 0xffff));
1390 	}
1391 
1392 	WREG32(CGTS_SYS_TCC_DISABLE, 0);
1393 	WREG32(CGTS_TCC_DISABLE, 0);
1394 	WREG32(CGTS_USER_SYS_TCC_DISABLE, 0);
1395 	WREG32(CGTS_USER_TCC_DISABLE, 0);
1396 
1397 
1398 	num_qd_pipes = R7XX_MAX_PIPES - r600_count_pipe_bits((cc_gc_shader_pipe_config & INACTIVE_QD_PIPES_MASK) >> 8);
1399 	WREG32(VGT_OUT_DEALLOC_CNTL, (num_qd_pipes * 4) & DEALLOC_DIST_MASK);
1400 	WREG32(VGT_VERTEX_REUSE_BLOCK_CNTL, ((num_qd_pipes * 4) - 2) & VTX_REUSE_DEPTH_MASK);
1401 
1402 	/* set HW defaults for 3D engine */
1403 	WREG32(CP_QUEUE_THRESHOLDS, (ROQ_IB1_START(0x16) |
1404 				     ROQ_IB2_START(0x2b)));
1405 
1406 	WREG32(CP_MEQ_THRESHOLDS, STQ_SPLIT(0x30));
1407 
1408 	ta_aux_cntl = RREG32(TA_CNTL_AUX);
1409 	WREG32(TA_CNTL_AUX, ta_aux_cntl | DISABLE_CUBE_ANISO);
1410 
1411 	sx_debug_1 = RREG32(SX_DEBUG_1);
1412 	sx_debug_1 |= ENABLE_NEW_SMX_ADDRESS;
1413 	WREG32(SX_DEBUG_1, sx_debug_1);
1414 
1415 	smx_dc_ctl0 = RREG32(SMX_DC_CTL0);
1416 	smx_dc_ctl0 &= ~CACHE_DEPTH(0x1ff);
1417 	smx_dc_ctl0 |= CACHE_DEPTH((rdev->config.rv770.sx_num_of_sets * 64) - 1);
1418 	WREG32(SMX_DC_CTL0, smx_dc_ctl0);
1419 
1420 	if (rdev->family != CHIP_RV740)
1421 		WREG32(SMX_EVENT_CTL, (ES_FLUSH_CTL(4) |
1422 				       GS_FLUSH_CTL(4) |
1423 				       ACK_FLUSH_CTL(3) |
1424 				       SYNC_FLUSH_CTL));
1425 
1426 	if (rdev->family != CHIP_RV770)
1427 		WREG32(SMX_SAR_CTL0, 0x00003f3f);
1428 
1429 	db_debug3 = RREG32(DB_DEBUG3);
1430 	db_debug3 &= ~DB_CLK_OFF_DELAY(0x1f);
1431 	switch (rdev->family) {
1432 	case CHIP_RV770:
1433 	case CHIP_RV740:
1434 		db_debug3 |= DB_CLK_OFF_DELAY(0x1f);
1435 		break;
1436 	case CHIP_RV710:
1437 	case CHIP_RV730:
1438 	default:
1439 		db_debug3 |= DB_CLK_OFF_DELAY(2);
1440 		break;
1441 	}
1442 	WREG32(DB_DEBUG3, db_debug3);
1443 
1444 	if (rdev->family != CHIP_RV770) {
1445 		db_debug4 = RREG32(DB_DEBUG4);
1446 		db_debug4 |= DISABLE_TILE_COVERED_FOR_PS_ITER;
1447 		WREG32(DB_DEBUG4, db_debug4);
1448 	}
1449 
1450 	WREG32(SX_EXPORT_BUFFER_SIZES, (COLOR_BUFFER_SIZE((rdev->config.rv770.sx_max_export_size / 4) - 1) |
1451 					POSITION_BUFFER_SIZE((rdev->config.rv770.sx_max_export_pos_size / 4) - 1) |
1452 					SMX_BUFFER_SIZE((rdev->config.rv770.sx_max_export_smx_size / 4) - 1)));
1453 
1454 	WREG32(PA_SC_FIFO_SIZE, (SC_PRIM_FIFO_SIZE(rdev->config.rv770.sc_prim_fifo_size) |
1455 				 SC_HIZ_TILE_FIFO_SIZE(rdev->config.rv770.sc_hiz_tile_fifo_size) |
1456 				 SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.rv770.sc_earlyz_tile_fifo_fize)));
1457 
1458 	WREG32(PA_SC_MULTI_CHIP_CNTL, 0);
1459 
1460 	WREG32(VGT_NUM_INSTANCES, 1);
1461 
1462 	WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(4));
1463 
1464 	WREG32(CP_PERFMON_CNTL, 0);
1465 
1466 	sq_ms_fifo_sizes = (CACHE_FIFO_SIZE(16 * rdev->config.rv770.sq_num_cf_insts) |
1467 			    DONE_FIFO_HIWATER(0xe0) |
1468 			    ALU_UPDATE_FIFO_HIWATER(0x8));
1469 	switch (rdev->family) {
1470 	case CHIP_RV770:
1471 	case CHIP_RV730:
1472 	case CHIP_RV710:
1473 		sq_ms_fifo_sizes |= FETCH_FIFO_HIWATER(0x1);
1474 		break;
1475 	case CHIP_RV740:
1476 	default:
1477 		sq_ms_fifo_sizes |= FETCH_FIFO_HIWATER(0x4);
1478 		break;
1479 	}
1480 	WREG32(SQ_MS_FIFO_SIZES, sq_ms_fifo_sizes);
1481 
1482 	/* SQ_CONFIG, SQ_GPR_RESOURCE_MGMT, SQ_THREAD_RESOURCE_MGMT, SQ_STACK_RESOURCE_MGMT
1483 	 * should be adjusted as needed by the 2D/3D drivers.  This just sets default values
1484 	 */
1485 	sq_config = RREG32(SQ_CONFIG);
1486 	sq_config &= ~(PS_PRIO(3) |
1487 		       VS_PRIO(3) |
1488 		       GS_PRIO(3) |
1489 		       ES_PRIO(3));
1490 	sq_config |= (DX9_CONSTS |
1491 		      VC_ENABLE |
1492 		      EXPORT_SRC_C |
1493 		      PS_PRIO(0) |
1494 		      VS_PRIO(1) |
1495 		      GS_PRIO(2) |
1496 		      ES_PRIO(3));
1497 	if (rdev->family == CHIP_RV710)
1498 		/* no vertex cache */
1499 		sq_config &= ~VC_ENABLE;
1500 
1501 	WREG32(SQ_CONFIG, sq_config);
1502 
1503 	WREG32(SQ_GPR_RESOURCE_MGMT_1,  (NUM_PS_GPRS((rdev->config.rv770.max_gprs * 24)/64) |
1504 					 NUM_VS_GPRS((rdev->config.rv770.max_gprs * 24)/64) |
1505 					 NUM_CLAUSE_TEMP_GPRS(((rdev->config.rv770.max_gprs * 24)/64)/2)));
1506 
1507 	WREG32(SQ_GPR_RESOURCE_MGMT_2,  (NUM_GS_GPRS((rdev->config.rv770.max_gprs * 7)/64) |
1508 					 NUM_ES_GPRS((rdev->config.rv770.max_gprs * 7)/64)));
1509 
1510 	sq_thread_resource_mgmt = (NUM_PS_THREADS((rdev->config.rv770.max_threads * 4)/8) |
1511 				   NUM_VS_THREADS((rdev->config.rv770.max_threads * 2)/8) |
1512 				   NUM_ES_THREADS((rdev->config.rv770.max_threads * 1)/8));
1513 	if (((rdev->config.rv770.max_threads * 1) / 8) > rdev->config.rv770.max_gs_threads)
1514 		sq_thread_resource_mgmt |= NUM_GS_THREADS(rdev->config.rv770.max_gs_threads);
1515 	else
1516 		sq_thread_resource_mgmt |= NUM_GS_THREADS((rdev->config.rv770.max_gs_threads * 1)/8);
1517 	WREG32(SQ_THREAD_RESOURCE_MGMT, sq_thread_resource_mgmt);
1518 
1519 	WREG32(SQ_STACK_RESOURCE_MGMT_1, (NUM_PS_STACK_ENTRIES((rdev->config.rv770.max_stack_entries * 1)/4) |
1520 						     NUM_VS_STACK_ENTRIES((rdev->config.rv770.max_stack_entries * 1)/4)));
1521 
1522 	WREG32(SQ_STACK_RESOURCE_MGMT_2, (NUM_GS_STACK_ENTRIES((rdev->config.rv770.max_stack_entries * 1)/4) |
1523 						     NUM_ES_STACK_ENTRIES((rdev->config.rv770.max_stack_entries * 1)/4)));
1524 
1525 	sq_dyn_gpr_size_simd_ab_0 = (SIMDA_RING0((rdev->config.rv770.max_gprs * 38)/64) |
1526 				     SIMDA_RING1((rdev->config.rv770.max_gprs * 38)/64) |
1527 				     SIMDB_RING0((rdev->config.rv770.max_gprs * 38)/64) |
1528 				     SIMDB_RING1((rdev->config.rv770.max_gprs * 38)/64));
1529 
1530 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_0, sq_dyn_gpr_size_simd_ab_0);
1531 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_1, sq_dyn_gpr_size_simd_ab_0);
1532 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_2, sq_dyn_gpr_size_simd_ab_0);
1533 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_3, sq_dyn_gpr_size_simd_ab_0);
1534 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_4, sq_dyn_gpr_size_simd_ab_0);
1535 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_5, sq_dyn_gpr_size_simd_ab_0);
1536 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_6, sq_dyn_gpr_size_simd_ab_0);
1537 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_7, sq_dyn_gpr_size_simd_ab_0);
1538 
1539 	WREG32(PA_SC_FORCE_EOV_MAX_CNTS, (FORCE_EOV_MAX_CLK_CNT(4095) |
1540 					  FORCE_EOV_MAX_REZ_CNT(255)));
1541 
1542 	if (rdev->family == CHIP_RV710)
1543 		WREG32(VGT_CACHE_INVALIDATION, (CACHE_INVALIDATION(TC_ONLY) |
1544 						AUTO_INVLD_EN(ES_AND_GS_AUTO)));
1545 	else
1546 		WREG32(VGT_CACHE_INVALIDATION, (CACHE_INVALIDATION(VC_AND_TC) |
1547 						AUTO_INVLD_EN(ES_AND_GS_AUTO)));
1548 
1549 	switch (rdev->family) {
1550 	case CHIP_RV770:
1551 	case CHIP_RV730:
1552 	case CHIP_RV740:
1553 		gs_prim_buffer_depth = 384;
1554 		break;
1555 	case CHIP_RV710:
1556 		gs_prim_buffer_depth = 128;
1557 		break;
1558 	default:
1559 		break;
1560 	}
1561 
1562 	num_gs_verts_per_thread = rdev->config.rv770.max_pipes * 16;
1563 	vgt_gs_per_es = gs_prim_buffer_depth + num_gs_verts_per_thread;
1564 	/* Max value for this is 256 */
1565 	if (vgt_gs_per_es > 256)
1566 		vgt_gs_per_es = 256;
1567 
1568 	WREG32(VGT_ES_PER_GS, 128);
1569 	WREG32(VGT_GS_PER_ES, vgt_gs_per_es);
1570 	WREG32(VGT_GS_PER_VS, 2);
1571 
1572 	/* more default values. 2D/3D driver should adjust as needed */
1573 	WREG32(VGT_GS_VERTEX_REUSE, 16);
1574 	WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
1575 	WREG32(VGT_STRMOUT_EN, 0);
1576 	WREG32(SX_MISC, 0);
1577 	WREG32(PA_SC_MODE_CNTL, 0);
1578 	WREG32(PA_SC_EDGERULE, 0xaaaaaaaa);
1579 	WREG32(PA_SC_AA_CONFIG, 0);
1580 	WREG32(PA_SC_CLIPRECT_RULE, 0xffff);
1581 	WREG32(PA_SC_LINE_STIPPLE, 0);
1582 	WREG32(SPI_INPUT_Z, 0);
1583 	WREG32(SPI_PS_IN_CONTROL_0, NUM_INTERP(2));
1584 	WREG32(CB_COLOR7_FRAG, 0);
1585 
1586 	/* clear render buffer base addresses */
1587 	WREG32(CB_COLOR0_BASE, 0);
1588 	WREG32(CB_COLOR1_BASE, 0);
1589 	WREG32(CB_COLOR2_BASE, 0);
1590 	WREG32(CB_COLOR3_BASE, 0);
1591 	WREG32(CB_COLOR4_BASE, 0);
1592 	WREG32(CB_COLOR5_BASE, 0);
1593 	WREG32(CB_COLOR6_BASE, 0);
1594 	WREG32(CB_COLOR7_BASE, 0);
1595 
1596 	WREG32(TCP_CNTL, 0);
1597 
1598 	hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL);
1599 	WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
1600 
1601 	WREG32(PA_SC_MULTI_CHIP_CNTL, 0);
1602 
1603 	WREG32(PA_CL_ENHANCE, (CLIP_VTX_REORDER_ENA |
1604 					  NUM_CLIP_SEQ(3)));
1605 	WREG32(VC_ENHANCE, 0);
1606 }
1607 
1608 void r700_vram_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc)
1609 {
1610 	u64 size_bf, size_af;
1611 
1612 	if (mc->mc_vram_size > 0xE0000000) {
1613 		/* leave room for at least 512M GTT */
1614 		dev_warn(rdev->dev, "limiting VRAM\n");
1615 		mc->real_vram_size = 0xE0000000;
1616 		mc->mc_vram_size = 0xE0000000;
1617 	}
1618 	if (rdev->flags & RADEON_IS_AGP) {
1619 		size_bf = mc->gtt_start;
1620 		size_af = mc->mc_mask - mc->gtt_end;
1621 		if (size_bf > size_af) {
1622 			if (mc->mc_vram_size > size_bf) {
1623 				dev_warn(rdev->dev, "limiting VRAM\n");
1624 				mc->real_vram_size = size_bf;
1625 				mc->mc_vram_size = size_bf;
1626 			}
1627 			mc->vram_start = mc->gtt_start - mc->mc_vram_size;
1628 		} else {
1629 			if (mc->mc_vram_size > size_af) {
1630 				dev_warn(rdev->dev, "limiting VRAM\n");
1631 				mc->real_vram_size = size_af;
1632 				mc->mc_vram_size = size_af;
1633 			}
1634 			mc->vram_start = mc->gtt_end + 1;
1635 		}
1636 		mc->vram_end = mc->vram_start + mc->mc_vram_size - 1;
1637 		dev_info(rdev->dev, "VRAM: %lluM 0x%08llX - 0x%08llX (%lluM used)\n",
1638 				mc->mc_vram_size >> 20, mc->vram_start,
1639 				mc->vram_end, mc->real_vram_size >> 20);
1640 	} else {
1641 		radeon_vram_location(rdev, &rdev->mc, 0);
1642 		rdev->mc.gtt_base_align = 0;
1643 		radeon_gtt_location(rdev, mc);
1644 	}
1645 }
1646 
1647 static int rv770_mc_init(struct radeon_device *rdev)
1648 {
1649 	u32 tmp;
1650 	int chansize, numchan;
1651 
1652 	/* Get VRAM informations */
1653 	rdev->mc.vram_is_ddr = true;
1654 	tmp = RREG32(MC_ARB_RAMCFG);
1655 	if (tmp & CHANSIZE_OVERRIDE) {
1656 		chansize = 16;
1657 	} else if (tmp & CHANSIZE_MASK) {
1658 		chansize = 64;
1659 	} else {
1660 		chansize = 32;
1661 	}
1662 	tmp = RREG32(MC_SHARED_CHMAP);
1663 	switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
1664 	case 0:
1665 	default:
1666 		numchan = 1;
1667 		break;
1668 	case 1:
1669 		numchan = 2;
1670 		break;
1671 	case 2:
1672 		numchan = 4;
1673 		break;
1674 	case 3:
1675 		numchan = 8;
1676 		break;
1677 	}
1678 	rdev->mc.vram_width = numchan * chansize;
1679 	/* Could aper size report 0 ? */
1680 	rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
1681 	rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
1682 	/* Setup GPU memory space */
1683 	rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE);
1684 	rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE);
1685 	rdev->mc.visible_vram_size = rdev->mc.aper_size;
1686 	r700_vram_gtt_location(rdev, &rdev->mc);
1687 	radeon_update_bandwidth_info(rdev);
1688 
1689 	return 0;
1690 }
1691 
1692 static int rv770_startup(struct radeon_device *rdev)
1693 {
1694 	struct radeon_ring *ring;
1695 	int r;
1696 
1697 	/* enable pcie gen2 link */
1698 	rv770_pcie_gen2_enable(rdev);
1699 
1700 	/* scratch needs to be initialized before MC */
1701 	r = r600_vram_scratch_init(rdev);
1702 	if (r)
1703 		return r;
1704 
1705 	rv770_mc_program(rdev);
1706 
1707 	if (rdev->flags & RADEON_IS_AGP) {
1708 		rv770_agp_enable(rdev);
1709 	} else {
1710 		r = rv770_pcie_gart_enable(rdev);
1711 		if (r)
1712 			return r;
1713 	}
1714 
1715 	rv770_gpu_init(rdev);
1716 
1717 	/* allocate wb buffer */
1718 	r = radeon_wb_init(rdev);
1719 	if (r)
1720 		return r;
1721 
1722 	r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
1723 	if (r) {
1724 		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
1725 		return r;
1726 	}
1727 
1728 	r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_DMA_INDEX);
1729 	if (r) {
1730 		dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r);
1731 		return r;
1732 	}
1733 
1734 	r = uvd_v2_2_resume(rdev);
1735 	if (!r) {
1736 		r = radeon_fence_driver_start_ring(rdev,
1737 						   R600_RING_TYPE_UVD_INDEX);
1738 		if (r)
1739 			dev_err(rdev->dev, "UVD fences init error (%d).\n", r);
1740 	}
1741 
1742 	if (r)
1743 		rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size = 0;
1744 
1745 	/* Enable IRQ */
1746 	if (!rdev->irq.installed) {
1747 		r = radeon_irq_kms_init(rdev);
1748 		if (r)
1749 			return r;
1750 	}
1751 
1752 	r = r600_irq_init(rdev);
1753 	if (r) {
1754 		DRM_ERROR("radeon: IH init failed (%d).\n", r);
1755 		radeon_irq_kms_fini(rdev);
1756 		return r;
1757 	}
1758 	r600_irq_set(rdev);
1759 
1760 	ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1761 	r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET,
1762 			     RADEON_CP_PACKET2);
1763 	if (r)
1764 		return r;
1765 
1766 	ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];
1767 	r = radeon_ring_init(rdev, ring, ring->ring_size, R600_WB_DMA_RPTR_OFFSET,
1768 			     DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0));
1769 	if (r)
1770 		return r;
1771 
1772 	r = rv770_cp_load_microcode(rdev);
1773 	if (r)
1774 		return r;
1775 	r = r600_cp_resume(rdev);
1776 	if (r)
1777 		return r;
1778 
1779 	r = r600_dma_resume(rdev);
1780 	if (r)
1781 		return r;
1782 
1783 	ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
1784 	if (ring->ring_size) {
1785 		r = radeon_ring_init(rdev, ring, ring->ring_size, 0,
1786 				     RADEON_CP_PACKET2);
1787 		if (!r)
1788 			r = uvd_v1_0_init(rdev);
1789 
1790 		if (r)
1791 			DRM_ERROR("radeon: failed initializing UVD (%d).\n", r);
1792 	}
1793 
1794 	r = radeon_ib_pool_init(rdev);
1795 	if (r) {
1796 		dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
1797 		return r;
1798 	}
1799 
1800 	r = r600_audio_init(rdev);
1801 	if (r) {
1802 		DRM_ERROR("radeon: audio init failed\n");
1803 		return r;
1804 	}
1805 
1806 	return 0;
1807 }
1808 
1809 int rv770_resume(struct radeon_device *rdev)
1810 {
1811 	int r;
1812 
1813 	/* Do not reset GPU before posting, on rv770 hw unlike on r500 hw,
1814 	 * posting will perform necessary task to bring back GPU into good
1815 	 * shape.
1816 	 */
1817 	/* post card */
1818 	atom_asic_init(rdev->mode_info.atom_context);
1819 
1820 	/* init golden registers */
1821 	rv770_init_golden_registers(rdev);
1822 
1823 	if (rdev->pm.pm_method == PM_METHOD_DPM)
1824 		radeon_pm_resume(rdev);
1825 
1826 	rdev->accel_working = true;
1827 	r = rv770_startup(rdev);
1828 	if (r) {
1829 		DRM_ERROR("r600 startup failed on resume\n");
1830 		rdev->accel_working = false;
1831 		return r;
1832 	}
1833 
1834 	return r;
1835 
1836 }
1837 
1838 int rv770_suspend(struct radeon_device *rdev)
1839 {
1840 	radeon_pm_suspend(rdev);
1841 	r600_audio_fini(rdev);
1842 	uvd_v1_0_fini(rdev);
1843 	radeon_uvd_suspend(rdev);
1844 	r700_cp_stop(rdev);
1845 	r600_dma_stop(rdev);
1846 	r600_irq_suspend(rdev);
1847 	radeon_wb_disable(rdev);
1848 	rv770_pcie_gart_disable(rdev);
1849 
1850 	return 0;
1851 }
1852 
1853 /* Plan is to move initialization in that function and use
1854  * helper function so that radeon_device_init pretty much
1855  * do nothing more than calling asic specific function. This
1856  * should also allow to remove a bunch of callback function
1857  * like vram_info.
1858  */
1859 int rv770_init(struct radeon_device *rdev)
1860 {
1861 	int r;
1862 
1863 	/* Read BIOS */
1864 	if (!radeon_get_bios(rdev)) {
1865 		if (ASIC_IS_AVIVO(rdev))
1866 			return -EINVAL;
1867 	}
1868 	/* Must be an ATOMBIOS */
1869 	if (!rdev->is_atom_bios) {
1870 		dev_err(rdev->dev, "Expecting atombios for R600 GPU\n");
1871 		return -EINVAL;
1872 	}
1873 	r = radeon_atombios_init(rdev);
1874 	if (r)
1875 		return r;
1876 	/* Post card if necessary */
1877 	if (!radeon_card_posted(rdev)) {
1878 		if (!rdev->bios) {
1879 			dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
1880 			return -EINVAL;
1881 		}
1882 		DRM_INFO("GPU not posted. posting now...\n");
1883 		atom_asic_init(rdev->mode_info.atom_context);
1884 	}
1885 	/* init golden registers */
1886 	rv770_init_golden_registers(rdev);
1887 	/* Initialize scratch registers */
1888 	r600_scratch_init(rdev);
1889 	/* Initialize surface registers */
1890 	radeon_surface_init(rdev);
1891 	/* Initialize clocks */
1892 	radeon_get_clock_info(rdev->ddev);
1893 	/* Fence driver */
1894 	r = radeon_fence_driver_init(rdev);
1895 	if (r)
1896 		return r;
1897 	/* initialize AGP */
1898 	if (rdev->flags & RADEON_IS_AGP) {
1899 		r = radeon_agp_init(rdev);
1900 		if (r)
1901 			radeon_agp_disable(rdev);
1902 	}
1903 	r = rv770_mc_init(rdev);
1904 	if (r)
1905 		return r;
1906 	/* Memory manager */
1907 	r = radeon_bo_init(rdev);
1908 	if (r)
1909 		return r;
1910 
1911 	if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
1912 		r = r600_init_microcode(rdev);
1913 		if (r) {
1914 			DRM_ERROR("Failed to load firmware!\n");
1915 			return r;
1916 		}
1917 	}
1918 
1919 	/* Initialize power management */
1920 	radeon_pm_init(rdev);
1921 
1922 	rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ring_obj = NULL;
1923 	r600_ring_init(rdev, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX], 1024 * 1024);
1924 
1925 	rdev->ring[R600_RING_TYPE_DMA_INDEX].ring_obj = NULL;
1926 	r600_ring_init(rdev, &rdev->ring[R600_RING_TYPE_DMA_INDEX], 64 * 1024);
1927 
1928 	r = radeon_uvd_init(rdev);
1929 	if (!r) {
1930 		rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_obj = NULL;
1931 		r600_ring_init(rdev, &rdev->ring[R600_RING_TYPE_UVD_INDEX],
1932 			       4096);
1933 	}
1934 
1935 	rdev->ih.ring_obj = NULL;
1936 	r600_ih_ring_init(rdev, 64 * 1024);
1937 
1938 	r = r600_pcie_gart_init(rdev);
1939 	if (r)
1940 		return r;
1941 
1942 	rdev->accel_working = true;
1943 	r = rv770_startup(rdev);
1944 	if (r) {
1945 		dev_err(rdev->dev, "disabling GPU acceleration\n");
1946 		r700_cp_fini(rdev);
1947 		r600_dma_fini(rdev);
1948 		r600_irq_fini(rdev);
1949 		radeon_wb_fini(rdev);
1950 		radeon_ib_pool_fini(rdev);
1951 		radeon_irq_kms_fini(rdev);
1952 		rv770_pcie_gart_fini(rdev);
1953 		rdev->accel_working = false;
1954 	}
1955 
1956 	return 0;
1957 }
1958 
1959 void rv770_fini(struct radeon_device *rdev)
1960 {
1961 	radeon_pm_fini(rdev);
1962 	r700_cp_fini(rdev);
1963 	r600_dma_fini(rdev);
1964 	r600_irq_fini(rdev);
1965 	radeon_wb_fini(rdev);
1966 	radeon_ib_pool_fini(rdev);
1967 	radeon_irq_kms_fini(rdev);
1968 	uvd_v1_0_fini(rdev);
1969 	radeon_uvd_fini(rdev);
1970 	rv770_pcie_gart_fini(rdev);
1971 	r600_vram_scratch_fini(rdev);
1972 	radeon_gem_fini(rdev);
1973 	radeon_fence_driver_fini(rdev);
1974 	radeon_agp_fini(rdev);
1975 	radeon_bo_fini(rdev);
1976 	radeon_atombios_fini(rdev);
1977 	kfree(rdev->bios);
1978 	rdev->bios = NULL;
1979 }
1980 
1981 static void rv770_pcie_gen2_enable(struct radeon_device *rdev)
1982 {
1983 	u32 link_width_cntl, lanes, speed_cntl, tmp;
1984 	u16 link_cntl2;
1985 
1986 	if (radeon_pcie_gen2 == 0)
1987 		return;
1988 
1989 	if (rdev->flags & RADEON_IS_IGP)
1990 		return;
1991 
1992 	if (!(rdev->flags & RADEON_IS_PCIE))
1993 		return;
1994 
1995 	/* x2 cards have a special sequence */
1996 	if (ASIC_IS_X2(rdev))
1997 		return;
1998 
1999 	if ((rdev->pdev->bus->max_bus_speed != PCIE_SPEED_5_0GT) &&
2000 		(rdev->pdev->bus->max_bus_speed != PCIE_SPEED_8_0GT))
2001 		return;
2002 
2003 	DRM_INFO("enabling PCIE gen 2 link speeds, disable with radeon.pcie_gen2=0\n");
2004 
2005 	/* advertise upconfig capability */
2006 	link_width_cntl = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL);
2007 	link_width_cntl &= ~LC_UPCONFIGURE_DIS;
2008 	WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
2009 	link_width_cntl = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL);
2010 	if (link_width_cntl & LC_RENEGOTIATION_SUPPORT) {
2011 		lanes = (link_width_cntl & LC_LINK_WIDTH_RD_MASK) >> LC_LINK_WIDTH_RD_SHIFT;
2012 		link_width_cntl &= ~(LC_LINK_WIDTH_MASK |
2013 				     LC_RECONFIG_ARC_MISSING_ESCAPE);
2014 		link_width_cntl |= lanes | LC_RECONFIG_NOW |
2015 			LC_RENEGOTIATE_EN | LC_UPCONFIGURE_SUPPORT;
2016 		WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
2017 	} else {
2018 		link_width_cntl |= LC_UPCONFIGURE_DIS;
2019 		WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
2020 	}
2021 
2022 	speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
2023 	if ((speed_cntl & LC_OTHER_SIDE_EVER_SENT_GEN2) &&
2024 	    (speed_cntl & LC_OTHER_SIDE_SUPPORTS_GEN2)) {
2025 
2026 		tmp = RREG32(0x541c);
2027 		WREG32(0x541c, tmp | 0x8);
2028 		WREG32(MM_CFGREGS_CNTL, MM_WR_TO_CFG_EN);
2029 		link_cntl2 = RREG16(0x4088);
2030 		link_cntl2 &= ~TARGET_LINK_SPEED_MASK;
2031 		link_cntl2 |= 0x2;
2032 		WREG16(0x4088, link_cntl2);
2033 		WREG32(MM_CFGREGS_CNTL, 0);
2034 
2035 		speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
2036 		speed_cntl &= ~LC_TARGET_LINK_SPEED_OVERRIDE_EN;
2037 		WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
2038 
2039 		speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
2040 		speed_cntl |= LC_CLR_FAILED_SPD_CHANGE_CNT;
2041 		WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
2042 
2043 		speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
2044 		speed_cntl &= ~LC_CLR_FAILED_SPD_CHANGE_CNT;
2045 		WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
2046 
2047 		speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
2048 		speed_cntl |= LC_GEN2_EN_STRAP;
2049 		WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
2050 
2051 	} else {
2052 		link_width_cntl = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL);
2053 		/* XXX: only disable it if gen1 bridge vendor == 0x111d or 0x1106 */
2054 		if (1)
2055 			link_width_cntl |= LC_UPCONFIGURE_DIS;
2056 		else
2057 			link_width_cntl &= ~LC_UPCONFIGURE_DIS;
2058 		WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
2059 	}
2060 }
2061