xref: /openbmc/linux/drivers/gpu/drm/radeon/rv770.c (revision afc98d90)
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 u32 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 	/* Return current update_pending status: */
840 	return RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset) & AVIVO_D1GRPH_SURFACE_UPDATE_PENDING;
841 }
842 
843 /* get temperature in millidegrees */
844 int rv770_get_temp(struct radeon_device *rdev)
845 {
846 	u32 temp = (RREG32(CG_MULT_THERMAL_STATUS) & ASIC_T_MASK) >>
847 		ASIC_T_SHIFT;
848 	int actual_temp;
849 
850 	if (temp & 0x400)
851 		actual_temp = -256;
852 	else if (temp & 0x200)
853 		actual_temp = 255;
854 	else if (temp & 0x100) {
855 		actual_temp = temp & 0x1ff;
856 		actual_temp |= ~0x1ff;
857 	} else
858 		actual_temp = temp & 0xff;
859 
860 	return (actual_temp * 1000) / 2;
861 }
862 
863 void rv770_pm_misc(struct radeon_device *rdev)
864 {
865 	int req_ps_idx = rdev->pm.requested_power_state_index;
866 	int req_cm_idx = rdev->pm.requested_clock_mode_index;
867 	struct radeon_power_state *ps = &rdev->pm.power_state[req_ps_idx];
868 	struct radeon_voltage *voltage = &ps->clock_info[req_cm_idx].voltage;
869 
870 	if ((voltage->type == VOLTAGE_SW) && voltage->voltage) {
871 		/* 0xff01 is a flag rather then an actual voltage */
872 		if (voltage->voltage == 0xff01)
873 			return;
874 		if (voltage->voltage != rdev->pm.current_vddc) {
875 			radeon_atom_set_voltage(rdev, voltage->voltage, SET_VOLTAGE_TYPE_ASIC_VDDC);
876 			rdev->pm.current_vddc = voltage->voltage;
877 			DRM_DEBUG("Setting: v: %d\n", voltage->voltage);
878 		}
879 	}
880 }
881 
882 /*
883  * GART
884  */
885 static int rv770_pcie_gart_enable(struct radeon_device *rdev)
886 {
887 	u32 tmp;
888 	int r, i;
889 
890 	if (rdev->gart.robj == NULL) {
891 		dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
892 		return -EINVAL;
893 	}
894 	r = radeon_gart_table_vram_pin(rdev);
895 	if (r)
896 		return r;
897 	radeon_gart_restore(rdev);
898 	/* Setup L2 cache */
899 	WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
900 				ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
901 				EFFECTIVE_L2_QUEUE_SIZE(7));
902 	WREG32(VM_L2_CNTL2, 0);
903 	WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
904 	/* Setup TLB control */
905 	tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
906 		SYSTEM_ACCESS_MODE_NOT_IN_SYS |
907 		SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
908 		EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
909 	WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
910 	WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
911 	WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
912 	if (rdev->family == CHIP_RV740)
913 		WREG32(MC_VM_MD_L1_TLB3_CNTL, tmp);
914 	WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
915 	WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
916 	WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
917 	WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
918 	WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
919 	WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
920 	WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
921 	WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
922 				RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
923 	WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
924 			(u32)(rdev->dummy_page.addr >> 12));
925 	for (i = 1; i < 7; i++)
926 		WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
927 
928 	r600_pcie_gart_tlb_flush(rdev);
929 	DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
930 		 (unsigned)(rdev->mc.gtt_size >> 20),
931 		 (unsigned long long)rdev->gart.table_addr);
932 	rdev->gart.ready = true;
933 	return 0;
934 }
935 
936 static void rv770_pcie_gart_disable(struct radeon_device *rdev)
937 {
938 	u32 tmp;
939 	int i;
940 
941 	/* Disable all tables */
942 	for (i = 0; i < 7; i++)
943 		WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
944 
945 	/* Setup L2 cache */
946 	WREG32(VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING |
947 				EFFECTIVE_L2_QUEUE_SIZE(7));
948 	WREG32(VM_L2_CNTL2, 0);
949 	WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
950 	/* Setup TLB control */
951 	tmp = EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
952 	WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
953 	WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
954 	WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
955 	WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
956 	WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
957 	WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
958 	WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
959 	radeon_gart_table_vram_unpin(rdev);
960 }
961 
962 static void rv770_pcie_gart_fini(struct radeon_device *rdev)
963 {
964 	radeon_gart_fini(rdev);
965 	rv770_pcie_gart_disable(rdev);
966 	radeon_gart_table_vram_free(rdev);
967 }
968 
969 
970 static void rv770_agp_enable(struct radeon_device *rdev)
971 {
972 	u32 tmp;
973 	int i;
974 
975 	/* Setup L2 cache */
976 	WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
977 				ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
978 				EFFECTIVE_L2_QUEUE_SIZE(7));
979 	WREG32(VM_L2_CNTL2, 0);
980 	WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
981 	/* Setup TLB control */
982 	tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
983 		SYSTEM_ACCESS_MODE_NOT_IN_SYS |
984 		SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
985 		EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
986 	WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
987 	WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
988 	WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
989 	WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
990 	WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
991 	WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
992 	WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
993 	for (i = 0; i < 7; i++)
994 		WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
995 }
996 
997 static void rv770_mc_program(struct radeon_device *rdev)
998 {
999 	struct rv515_mc_save save;
1000 	u32 tmp;
1001 	int i, j;
1002 
1003 	/* Initialize HDP */
1004 	for (i = 0, j = 0; i < 32; i++, j += 0x18) {
1005 		WREG32((0x2c14 + j), 0x00000000);
1006 		WREG32((0x2c18 + j), 0x00000000);
1007 		WREG32((0x2c1c + j), 0x00000000);
1008 		WREG32((0x2c20 + j), 0x00000000);
1009 		WREG32((0x2c24 + j), 0x00000000);
1010 	}
1011 	/* r7xx hw bug.  Read from HDP_DEBUG1 rather
1012 	 * than writing to HDP_REG_COHERENCY_FLUSH_CNTL
1013 	 */
1014 	tmp = RREG32(HDP_DEBUG1);
1015 
1016 	rv515_mc_stop(rdev, &save);
1017 	if (r600_mc_wait_for_idle(rdev)) {
1018 		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1019 	}
1020 	/* Lockout access through VGA aperture*/
1021 	WREG32(VGA_HDP_CONTROL, VGA_MEMORY_DISABLE);
1022 	/* Update configuration */
1023 	if (rdev->flags & RADEON_IS_AGP) {
1024 		if (rdev->mc.vram_start < rdev->mc.gtt_start) {
1025 			/* VRAM before AGP */
1026 			WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
1027 				rdev->mc.vram_start >> 12);
1028 			WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
1029 				rdev->mc.gtt_end >> 12);
1030 		} else {
1031 			/* VRAM after AGP */
1032 			WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
1033 				rdev->mc.gtt_start >> 12);
1034 			WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
1035 				rdev->mc.vram_end >> 12);
1036 		}
1037 	} else {
1038 		WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
1039 			rdev->mc.vram_start >> 12);
1040 		WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
1041 			rdev->mc.vram_end >> 12);
1042 	}
1043 	WREG32(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, rdev->vram_scratch.gpu_addr >> 12);
1044 	tmp = ((rdev->mc.vram_end >> 24) & 0xFFFF) << 16;
1045 	tmp |= ((rdev->mc.vram_start >> 24) & 0xFFFF);
1046 	WREG32(MC_VM_FB_LOCATION, tmp);
1047 	WREG32(HDP_NONSURFACE_BASE, (rdev->mc.vram_start >> 8));
1048 	WREG32(HDP_NONSURFACE_INFO, (2 << 7));
1049 	WREG32(HDP_NONSURFACE_SIZE, 0x3FFFFFFF);
1050 	if (rdev->flags & RADEON_IS_AGP) {
1051 		WREG32(MC_VM_AGP_TOP, rdev->mc.gtt_end >> 16);
1052 		WREG32(MC_VM_AGP_BOT, rdev->mc.gtt_start >> 16);
1053 		WREG32(MC_VM_AGP_BASE, rdev->mc.agp_base >> 22);
1054 	} else {
1055 		WREG32(MC_VM_AGP_BASE, 0);
1056 		WREG32(MC_VM_AGP_TOP, 0x0FFFFFFF);
1057 		WREG32(MC_VM_AGP_BOT, 0x0FFFFFFF);
1058 	}
1059 	if (r600_mc_wait_for_idle(rdev)) {
1060 		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1061 	}
1062 	rv515_mc_resume(rdev, &save);
1063 	/* we need to own VRAM, so turn off the VGA renderer here
1064 	 * to stop it overwriting our objects */
1065 	rv515_vga_render_disable(rdev);
1066 }
1067 
1068 
1069 /*
1070  * CP.
1071  */
1072 void r700_cp_stop(struct radeon_device *rdev)
1073 {
1074 	if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX)
1075 		radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
1076 	WREG32(CP_ME_CNTL, (CP_ME_HALT | CP_PFP_HALT));
1077 	WREG32(SCRATCH_UMSK, 0);
1078 	rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
1079 }
1080 
1081 static int rv770_cp_load_microcode(struct radeon_device *rdev)
1082 {
1083 	const __be32 *fw_data;
1084 	int i;
1085 
1086 	if (!rdev->me_fw || !rdev->pfp_fw)
1087 		return -EINVAL;
1088 
1089 	r700_cp_stop(rdev);
1090 	WREG32(CP_RB_CNTL,
1091 #ifdef __BIG_ENDIAN
1092 	       BUF_SWAP_32BIT |
1093 #endif
1094 	       RB_NO_UPDATE | RB_BLKSZ(15) | RB_BUFSZ(3));
1095 
1096 	/* Reset cp */
1097 	WREG32(GRBM_SOFT_RESET, SOFT_RESET_CP);
1098 	RREG32(GRBM_SOFT_RESET);
1099 	mdelay(15);
1100 	WREG32(GRBM_SOFT_RESET, 0);
1101 
1102 	fw_data = (const __be32 *)rdev->pfp_fw->data;
1103 	WREG32(CP_PFP_UCODE_ADDR, 0);
1104 	for (i = 0; i < R700_PFP_UCODE_SIZE; i++)
1105 		WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++));
1106 	WREG32(CP_PFP_UCODE_ADDR, 0);
1107 
1108 	fw_data = (const __be32 *)rdev->me_fw->data;
1109 	WREG32(CP_ME_RAM_WADDR, 0);
1110 	for (i = 0; i < R700_PM4_UCODE_SIZE; i++)
1111 		WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++));
1112 
1113 	WREG32(CP_PFP_UCODE_ADDR, 0);
1114 	WREG32(CP_ME_RAM_WADDR, 0);
1115 	WREG32(CP_ME_RAM_RADDR, 0);
1116 	return 0;
1117 }
1118 
1119 void r700_cp_fini(struct radeon_device *rdev)
1120 {
1121 	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1122 	r700_cp_stop(rdev);
1123 	radeon_ring_fini(rdev, ring);
1124 	radeon_scratch_free(rdev, ring->rptr_save_reg);
1125 }
1126 
1127 void rv770_set_clk_bypass_mode(struct radeon_device *rdev)
1128 {
1129 	u32 tmp, i;
1130 
1131 	if (rdev->flags & RADEON_IS_IGP)
1132 		return;
1133 
1134 	tmp = RREG32(CG_SPLL_FUNC_CNTL_2);
1135 	tmp &= SCLK_MUX_SEL_MASK;
1136 	tmp |= SCLK_MUX_SEL(1) | SCLK_MUX_UPDATE;
1137 	WREG32(CG_SPLL_FUNC_CNTL_2, tmp);
1138 
1139 	for (i = 0; i < rdev->usec_timeout; i++) {
1140 		if (RREG32(CG_SPLL_STATUS) & SPLL_CHG_STATUS)
1141 			break;
1142 		udelay(1);
1143 	}
1144 
1145 	tmp &= ~SCLK_MUX_UPDATE;
1146 	WREG32(CG_SPLL_FUNC_CNTL_2, tmp);
1147 
1148 	tmp = RREG32(MPLL_CNTL_MODE);
1149 	if ((rdev->family == CHIP_RV710) || (rdev->family == CHIP_RV730))
1150 		tmp &= ~RV730_MPLL_MCLK_SEL;
1151 	else
1152 		tmp &= ~MPLL_MCLK_SEL;
1153 	WREG32(MPLL_CNTL_MODE, tmp);
1154 }
1155 
1156 /*
1157  * Core functions
1158  */
1159 static void rv770_gpu_init(struct radeon_device *rdev)
1160 {
1161 	int i, j, num_qd_pipes;
1162 	u32 ta_aux_cntl;
1163 	u32 sx_debug_1;
1164 	u32 smx_dc_ctl0;
1165 	u32 db_debug3;
1166 	u32 num_gs_verts_per_thread;
1167 	u32 vgt_gs_per_es;
1168 	u32 gs_prim_buffer_depth = 0;
1169 	u32 sq_ms_fifo_sizes;
1170 	u32 sq_config;
1171 	u32 sq_thread_resource_mgmt;
1172 	u32 hdp_host_path_cntl;
1173 	u32 sq_dyn_gpr_size_simd_ab_0;
1174 	u32 gb_tiling_config = 0;
1175 	u32 cc_rb_backend_disable = 0;
1176 	u32 cc_gc_shader_pipe_config = 0;
1177 	u32 mc_arb_ramcfg;
1178 	u32 db_debug4, tmp;
1179 	u32 inactive_pipes, shader_pipe_config;
1180 	u32 disabled_rb_mask;
1181 	unsigned active_number;
1182 
1183 	/* setup chip specs */
1184 	rdev->config.rv770.tiling_group_size = 256;
1185 	switch (rdev->family) {
1186 	case CHIP_RV770:
1187 		rdev->config.rv770.max_pipes = 4;
1188 		rdev->config.rv770.max_tile_pipes = 8;
1189 		rdev->config.rv770.max_simds = 10;
1190 		rdev->config.rv770.max_backends = 4;
1191 		rdev->config.rv770.max_gprs = 256;
1192 		rdev->config.rv770.max_threads = 248;
1193 		rdev->config.rv770.max_stack_entries = 512;
1194 		rdev->config.rv770.max_hw_contexts = 8;
1195 		rdev->config.rv770.max_gs_threads = 16 * 2;
1196 		rdev->config.rv770.sx_max_export_size = 128;
1197 		rdev->config.rv770.sx_max_export_pos_size = 16;
1198 		rdev->config.rv770.sx_max_export_smx_size = 112;
1199 		rdev->config.rv770.sq_num_cf_insts = 2;
1200 
1201 		rdev->config.rv770.sx_num_of_sets = 7;
1202 		rdev->config.rv770.sc_prim_fifo_size = 0xF9;
1203 		rdev->config.rv770.sc_hiz_tile_fifo_size = 0x30;
1204 		rdev->config.rv770.sc_earlyz_tile_fifo_fize = 0x130;
1205 		break;
1206 	case CHIP_RV730:
1207 		rdev->config.rv770.max_pipes = 2;
1208 		rdev->config.rv770.max_tile_pipes = 4;
1209 		rdev->config.rv770.max_simds = 8;
1210 		rdev->config.rv770.max_backends = 2;
1211 		rdev->config.rv770.max_gprs = 128;
1212 		rdev->config.rv770.max_threads = 248;
1213 		rdev->config.rv770.max_stack_entries = 256;
1214 		rdev->config.rv770.max_hw_contexts = 8;
1215 		rdev->config.rv770.max_gs_threads = 16 * 2;
1216 		rdev->config.rv770.sx_max_export_size = 256;
1217 		rdev->config.rv770.sx_max_export_pos_size = 32;
1218 		rdev->config.rv770.sx_max_export_smx_size = 224;
1219 		rdev->config.rv770.sq_num_cf_insts = 2;
1220 
1221 		rdev->config.rv770.sx_num_of_sets = 7;
1222 		rdev->config.rv770.sc_prim_fifo_size = 0xf9;
1223 		rdev->config.rv770.sc_hiz_tile_fifo_size = 0x30;
1224 		rdev->config.rv770.sc_earlyz_tile_fifo_fize = 0x130;
1225 		if (rdev->config.rv770.sx_max_export_pos_size > 16) {
1226 			rdev->config.rv770.sx_max_export_pos_size -= 16;
1227 			rdev->config.rv770.sx_max_export_smx_size += 16;
1228 		}
1229 		break;
1230 	case CHIP_RV710:
1231 		rdev->config.rv770.max_pipes = 2;
1232 		rdev->config.rv770.max_tile_pipes = 2;
1233 		rdev->config.rv770.max_simds = 2;
1234 		rdev->config.rv770.max_backends = 1;
1235 		rdev->config.rv770.max_gprs = 256;
1236 		rdev->config.rv770.max_threads = 192;
1237 		rdev->config.rv770.max_stack_entries = 256;
1238 		rdev->config.rv770.max_hw_contexts = 4;
1239 		rdev->config.rv770.max_gs_threads = 8 * 2;
1240 		rdev->config.rv770.sx_max_export_size = 128;
1241 		rdev->config.rv770.sx_max_export_pos_size = 16;
1242 		rdev->config.rv770.sx_max_export_smx_size = 112;
1243 		rdev->config.rv770.sq_num_cf_insts = 1;
1244 
1245 		rdev->config.rv770.sx_num_of_sets = 7;
1246 		rdev->config.rv770.sc_prim_fifo_size = 0x40;
1247 		rdev->config.rv770.sc_hiz_tile_fifo_size = 0x30;
1248 		rdev->config.rv770.sc_earlyz_tile_fifo_fize = 0x130;
1249 		break;
1250 	case CHIP_RV740:
1251 		rdev->config.rv770.max_pipes = 4;
1252 		rdev->config.rv770.max_tile_pipes = 4;
1253 		rdev->config.rv770.max_simds = 8;
1254 		rdev->config.rv770.max_backends = 4;
1255 		rdev->config.rv770.max_gprs = 256;
1256 		rdev->config.rv770.max_threads = 248;
1257 		rdev->config.rv770.max_stack_entries = 512;
1258 		rdev->config.rv770.max_hw_contexts = 8;
1259 		rdev->config.rv770.max_gs_threads = 16 * 2;
1260 		rdev->config.rv770.sx_max_export_size = 256;
1261 		rdev->config.rv770.sx_max_export_pos_size = 32;
1262 		rdev->config.rv770.sx_max_export_smx_size = 224;
1263 		rdev->config.rv770.sq_num_cf_insts = 2;
1264 
1265 		rdev->config.rv770.sx_num_of_sets = 7;
1266 		rdev->config.rv770.sc_prim_fifo_size = 0x100;
1267 		rdev->config.rv770.sc_hiz_tile_fifo_size = 0x30;
1268 		rdev->config.rv770.sc_earlyz_tile_fifo_fize = 0x130;
1269 
1270 		if (rdev->config.rv770.sx_max_export_pos_size > 16) {
1271 			rdev->config.rv770.sx_max_export_pos_size -= 16;
1272 			rdev->config.rv770.sx_max_export_smx_size += 16;
1273 		}
1274 		break;
1275 	default:
1276 		break;
1277 	}
1278 
1279 	/* Initialize HDP */
1280 	j = 0;
1281 	for (i = 0; i < 32; i++) {
1282 		WREG32((0x2c14 + j), 0x00000000);
1283 		WREG32((0x2c18 + j), 0x00000000);
1284 		WREG32((0x2c1c + j), 0x00000000);
1285 		WREG32((0x2c20 + j), 0x00000000);
1286 		WREG32((0x2c24 + j), 0x00000000);
1287 		j += 0x18;
1288 	}
1289 
1290 	WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
1291 
1292 	/* setup tiling, simd, pipe config */
1293 	mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG);
1294 
1295 	shader_pipe_config = RREG32(CC_GC_SHADER_PIPE_CONFIG);
1296 	inactive_pipes = (shader_pipe_config & INACTIVE_QD_PIPES_MASK) >> INACTIVE_QD_PIPES_SHIFT;
1297 	for (i = 0, tmp = 1, active_number = 0; i < R7XX_MAX_PIPES; i++) {
1298 		if (!(inactive_pipes & tmp)) {
1299 			active_number++;
1300 		}
1301 		tmp <<= 1;
1302 	}
1303 	if (active_number == 1) {
1304 		WREG32(SPI_CONFIG_CNTL, DISABLE_INTERP_1);
1305 	} else {
1306 		WREG32(SPI_CONFIG_CNTL, 0);
1307 	}
1308 
1309 	cc_rb_backend_disable = RREG32(CC_RB_BACKEND_DISABLE) & 0x00ff0000;
1310 	tmp = R7XX_MAX_BACKENDS - r600_count_pipe_bits(cc_rb_backend_disable >> 16);
1311 	if (tmp < rdev->config.rv770.max_backends) {
1312 		rdev->config.rv770.max_backends = tmp;
1313 	}
1314 
1315 	cc_gc_shader_pipe_config = RREG32(CC_GC_SHADER_PIPE_CONFIG) & 0xffffff00;
1316 	tmp = R7XX_MAX_PIPES - r600_count_pipe_bits((cc_gc_shader_pipe_config >> 8) & R7XX_MAX_PIPES_MASK);
1317 	if (tmp < rdev->config.rv770.max_pipes) {
1318 		rdev->config.rv770.max_pipes = tmp;
1319 	}
1320 	tmp = R7XX_MAX_SIMDS - r600_count_pipe_bits((cc_gc_shader_pipe_config >> 16) & R7XX_MAX_SIMDS_MASK);
1321 	if (tmp < rdev->config.rv770.max_simds) {
1322 		rdev->config.rv770.max_simds = tmp;
1323 	}
1324 
1325 	switch (rdev->config.rv770.max_tile_pipes) {
1326 	case 1:
1327 	default:
1328 		gb_tiling_config = PIPE_TILING(0);
1329 		break;
1330 	case 2:
1331 		gb_tiling_config = PIPE_TILING(1);
1332 		break;
1333 	case 4:
1334 		gb_tiling_config = PIPE_TILING(2);
1335 		break;
1336 	case 8:
1337 		gb_tiling_config = PIPE_TILING(3);
1338 		break;
1339 	}
1340 	rdev->config.rv770.tiling_npipes = rdev->config.rv770.max_tile_pipes;
1341 
1342 	disabled_rb_mask = (RREG32(CC_RB_BACKEND_DISABLE) >> 16) & R7XX_MAX_BACKENDS_MASK;
1343 	tmp = (gb_tiling_config & PIPE_TILING__MASK) >> PIPE_TILING__SHIFT;
1344 	tmp = r6xx_remap_render_backend(rdev, tmp, rdev->config.rv770.max_backends,
1345 					R7XX_MAX_BACKENDS, disabled_rb_mask);
1346 	gb_tiling_config |= tmp << 16;
1347 	rdev->config.rv770.backend_map = tmp;
1348 
1349 	if (rdev->family == CHIP_RV770)
1350 		gb_tiling_config |= BANK_TILING(1);
1351 	else {
1352 		if ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT)
1353 			gb_tiling_config |= BANK_TILING(1);
1354 		else
1355 			gb_tiling_config |= BANK_TILING(0);
1356 	}
1357 	rdev->config.rv770.tiling_nbanks = 4 << ((gb_tiling_config >> 4) & 0x3);
1358 	gb_tiling_config |= GROUP_SIZE((mc_arb_ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT);
1359 	if (((mc_arb_ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT) > 3) {
1360 		gb_tiling_config |= ROW_TILING(3);
1361 		gb_tiling_config |= SAMPLE_SPLIT(3);
1362 	} else {
1363 		gb_tiling_config |=
1364 			ROW_TILING(((mc_arb_ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT));
1365 		gb_tiling_config |=
1366 			SAMPLE_SPLIT(((mc_arb_ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT));
1367 	}
1368 
1369 	gb_tiling_config |= BANK_SWAPS(1);
1370 	rdev->config.rv770.tile_config = gb_tiling_config;
1371 
1372 	WREG32(GB_TILING_CONFIG, gb_tiling_config);
1373 	WREG32(DCP_TILING_CONFIG, (gb_tiling_config & 0xffff));
1374 	WREG32(HDP_TILING_CONFIG, (gb_tiling_config & 0xffff));
1375 	WREG32(DMA_TILING_CONFIG, (gb_tiling_config & 0xffff));
1376 	WREG32(DMA_TILING_CONFIG2, (gb_tiling_config & 0xffff));
1377 	if (rdev->family == CHIP_RV730) {
1378 		WREG32(UVD_UDEC_DB_TILING_CONFIG, (gb_tiling_config & 0xffff));
1379 		WREG32(UVD_UDEC_DBW_TILING_CONFIG, (gb_tiling_config & 0xffff));
1380 		WREG32(UVD_UDEC_TILING_CONFIG, (gb_tiling_config & 0xffff));
1381 	}
1382 
1383 	WREG32(CGTS_SYS_TCC_DISABLE, 0);
1384 	WREG32(CGTS_TCC_DISABLE, 0);
1385 	WREG32(CGTS_USER_SYS_TCC_DISABLE, 0);
1386 	WREG32(CGTS_USER_TCC_DISABLE, 0);
1387 
1388 
1389 	num_qd_pipes = R7XX_MAX_PIPES - r600_count_pipe_bits((cc_gc_shader_pipe_config & INACTIVE_QD_PIPES_MASK) >> 8);
1390 	WREG32(VGT_OUT_DEALLOC_CNTL, (num_qd_pipes * 4) & DEALLOC_DIST_MASK);
1391 	WREG32(VGT_VERTEX_REUSE_BLOCK_CNTL, ((num_qd_pipes * 4) - 2) & VTX_REUSE_DEPTH_MASK);
1392 
1393 	/* set HW defaults for 3D engine */
1394 	WREG32(CP_QUEUE_THRESHOLDS, (ROQ_IB1_START(0x16) |
1395 				     ROQ_IB2_START(0x2b)));
1396 
1397 	WREG32(CP_MEQ_THRESHOLDS, STQ_SPLIT(0x30));
1398 
1399 	ta_aux_cntl = RREG32(TA_CNTL_AUX);
1400 	WREG32(TA_CNTL_AUX, ta_aux_cntl | DISABLE_CUBE_ANISO);
1401 
1402 	sx_debug_1 = RREG32(SX_DEBUG_1);
1403 	sx_debug_1 |= ENABLE_NEW_SMX_ADDRESS;
1404 	WREG32(SX_DEBUG_1, sx_debug_1);
1405 
1406 	smx_dc_ctl0 = RREG32(SMX_DC_CTL0);
1407 	smx_dc_ctl0 &= ~CACHE_DEPTH(0x1ff);
1408 	smx_dc_ctl0 |= CACHE_DEPTH((rdev->config.rv770.sx_num_of_sets * 64) - 1);
1409 	WREG32(SMX_DC_CTL0, smx_dc_ctl0);
1410 
1411 	if (rdev->family != CHIP_RV740)
1412 		WREG32(SMX_EVENT_CTL, (ES_FLUSH_CTL(4) |
1413 				       GS_FLUSH_CTL(4) |
1414 				       ACK_FLUSH_CTL(3) |
1415 				       SYNC_FLUSH_CTL));
1416 
1417 	if (rdev->family != CHIP_RV770)
1418 		WREG32(SMX_SAR_CTL0, 0x00003f3f);
1419 
1420 	db_debug3 = RREG32(DB_DEBUG3);
1421 	db_debug3 &= ~DB_CLK_OFF_DELAY(0x1f);
1422 	switch (rdev->family) {
1423 	case CHIP_RV770:
1424 	case CHIP_RV740:
1425 		db_debug3 |= DB_CLK_OFF_DELAY(0x1f);
1426 		break;
1427 	case CHIP_RV710:
1428 	case CHIP_RV730:
1429 	default:
1430 		db_debug3 |= DB_CLK_OFF_DELAY(2);
1431 		break;
1432 	}
1433 	WREG32(DB_DEBUG3, db_debug3);
1434 
1435 	if (rdev->family != CHIP_RV770) {
1436 		db_debug4 = RREG32(DB_DEBUG4);
1437 		db_debug4 |= DISABLE_TILE_COVERED_FOR_PS_ITER;
1438 		WREG32(DB_DEBUG4, db_debug4);
1439 	}
1440 
1441 	WREG32(SX_EXPORT_BUFFER_SIZES, (COLOR_BUFFER_SIZE((rdev->config.rv770.sx_max_export_size / 4) - 1) |
1442 					POSITION_BUFFER_SIZE((rdev->config.rv770.sx_max_export_pos_size / 4) - 1) |
1443 					SMX_BUFFER_SIZE((rdev->config.rv770.sx_max_export_smx_size / 4) - 1)));
1444 
1445 	WREG32(PA_SC_FIFO_SIZE, (SC_PRIM_FIFO_SIZE(rdev->config.rv770.sc_prim_fifo_size) |
1446 				 SC_HIZ_TILE_FIFO_SIZE(rdev->config.rv770.sc_hiz_tile_fifo_size) |
1447 				 SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.rv770.sc_earlyz_tile_fifo_fize)));
1448 
1449 	WREG32(PA_SC_MULTI_CHIP_CNTL, 0);
1450 
1451 	WREG32(VGT_NUM_INSTANCES, 1);
1452 
1453 	WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(4));
1454 
1455 	WREG32(CP_PERFMON_CNTL, 0);
1456 
1457 	sq_ms_fifo_sizes = (CACHE_FIFO_SIZE(16 * rdev->config.rv770.sq_num_cf_insts) |
1458 			    DONE_FIFO_HIWATER(0xe0) |
1459 			    ALU_UPDATE_FIFO_HIWATER(0x8));
1460 	switch (rdev->family) {
1461 	case CHIP_RV770:
1462 	case CHIP_RV730:
1463 	case CHIP_RV710:
1464 		sq_ms_fifo_sizes |= FETCH_FIFO_HIWATER(0x1);
1465 		break;
1466 	case CHIP_RV740:
1467 	default:
1468 		sq_ms_fifo_sizes |= FETCH_FIFO_HIWATER(0x4);
1469 		break;
1470 	}
1471 	WREG32(SQ_MS_FIFO_SIZES, sq_ms_fifo_sizes);
1472 
1473 	/* SQ_CONFIG, SQ_GPR_RESOURCE_MGMT, SQ_THREAD_RESOURCE_MGMT, SQ_STACK_RESOURCE_MGMT
1474 	 * should be adjusted as needed by the 2D/3D drivers.  This just sets default values
1475 	 */
1476 	sq_config = RREG32(SQ_CONFIG);
1477 	sq_config &= ~(PS_PRIO(3) |
1478 		       VS_PRIO(3) |
1479 		       GS_PRIO(3) |
1480 		       ES_PRIO(3));
1481 	sq_config |= (DX9_CONSTS |
1482 		      VC_ENABLE |
1483 		      EXPORT_SRC_C |
1484 		      PS_PRIO(0) |
1485 		      VS_PRIO(1) |
1486 		      GS_PRIO(2) |
1487 		      ES_PRIO(3));
1488 	if (rdev->family == CHIP_RV710)
1489 		/* no vertex cache */
1490 		sq_config &= ~VC_ENABLE;
1491 
1492 	WREG32(SQ_CONFIG, sq_config);
1493 
1494 	WREG32(SQ_GPR_RESOURCE_MGMT_1,  (NUM_PS_GPRS((rdev->config.rv770.max_gprs * 24)/64) |
1495 					 NUM_VS_GPRS((rdev->config.rv770.max_gprs * 24)/64) |
1496 					 NUM_CLAUSE_TEMP_GPRS(((rdev->config.rv770.max_gprs * 24)/64)/2)));
1497 
1498 	WREG32(SQ_GPR_RESOURCE_MGMT_2,  (NUM_GS_GPRS((rdev->config.rv770.max_gprs * 7)/64) |
1499 					 NUM_ES_GPRS((rdev->config.rv770.max_gprs * 7)/64)));
1500 
1501 	sq_thread_resource_mgmt = (NUM_PS_THREADS((rdev->config.rv770.max_threads * 4)/8) |
1502 				   NUM_VS_THREADS((rdev->config.rv770.max_threads * 2)/8) |
1503 				   NUM_ES_THREADS((rdev->config.rv770.max_threads * 1)/8));
1504 	if (((rdev->config.rv770.max_threads * 1) / 8) > rdev->config.rv770.max_gs_threads)
1505 		sq_thread_resource_mgmt |= NUM_GS_THREADS(rdev->config.rv770.max_gs_threads);
1506 	else
1507 		sq_thread_resource_mgmt |= NUM_GS_THREADS((rdev->config.rv770.max_gs_threads * 1)/8);
1508 	WREG32(SQ_THREAD_RESOURCE_MGMT, sq_thread_resource_mgmt);
1509 
1510 	WREG32(SQ_STACK_RESOURCE_MGMT_1, (NUM_PS_STACK_ENTRIES((rdev->config.rv770.max_stack_entries * 1)/4) |
1511 						     NUM_VS_STACK_ENTRIES((rdev->config.rv770.max_stack_entries * 1)/4)));
1512 
1513 	WREG32(SQ_STACK_RESOURCE_MGMT_2, (NUM_GS_STACK_ENTRIES((rdev->config.rv770.max_stack_entries * 1)/4) |
1514 						     NUM_ES_STACK_ENTRIES((rdev->config.rv770.max_stack_entries * 1)/4)));
1515 
1516 	sq_dyn_gpr_size_simd_ab_0 = (SIMDA_RING0((rdev->config.rv770.max_gprs * 38)/64) |
1517 				     SIMDA_RING1((rdev->config.rv770.max_gprs * 38)/64) |
1518 				     SIMDB_RING0((rdev->config.rv770.max_gprs * 38)/64) |
1519 				     SIMDB_RING1((rdev->config.rv770.max_gprs * 38)/64));
1520 
1521 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_0, sq_dyn_gpr_size_simd_ab_0);
1522 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_1, sq_dyn_gpr_size_simd_ab_0);
1523 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_2, sq_dyn_gpr_size_simd_ab_0);
1524 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_3, sq_dyn_gpr_size_simd_ab_0);
1525 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_4, sq_dyn_gpr_size_simd_ab_0);
1526 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_5, sq_dyn_gpr_size_simd_ab_0);
1527 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_6, sq_dyn_gpr_size_simd_ab_0);
1528 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_7, sq_dyn_gpr_size_simd_ab_0);
1529 
1530 	WREG32(PA_SC_FORCE_EOV_MAX_CNTS, (FORCE_EOV_MAX_CLK_CNT(4095) |
1531 					  FORCE_EOV_MAX_REZ_CNT(255)));
1532 
1533 	if (rdev->family == CHIP_RV710)
1534 		WREG32(VGT_CACHE_INVALIDATION, (CACHE_INVALIDATION(TC_ONLY) |
1535 						AUTO_INVLD_EN(ES_AND_GS_AUTO)));
1536 	else
1537 		WREG32(VGT_CACHE_INVALIDATION, (CACHE_INVALIDATION(VC_AND_TC) |
1538 						AUTO_INVLD_EN(ES_AND_GS_AUTO)));
1539 
1540 	switch (rdev->family) {
1541 	case CHIP_RV770:
1542 	case CHIP_RV730:
1543 	case CHIP_RV740:
1544 		gs_prim_buffer_depth = 384;
1545 		break;
1546 	case CHIP_RV710:
1547 		gs_prim_buffer_depth = 128;
1548 		break;
1549 	default:
1550 		break;
1551 	}
1552 
1553 	num_gs_verts_per_thread = rdev->config.rv770.max_pipes * 16;
1554 	vgt_gs_per_es = gs_prim_buffer_depth + num_gs_verts_per_thread;
1555 	/* Max value for this is 256 */
1556 	if (vgt_gs_per_es > 256)
1557 		vgt_gs_per_es = 256;
1558 
1559 	WREG32(VGT_ES_PER_GS, 128);
1560 	WREG32(VGT_GS_PER_ES, vgt_gs_per_es);
1561 	WREG32(VGT_GS_PER_VS, 2);
1562 
1563 	/* more default values. 2D/3D driver should adjust as needed */
1564 	WREG32(VGT_GS_VERTEX_REUSE, 16);
1565 	WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
1566 	WREG32(VGT_STRMOUT_EN, 0);
1567 	WREG32(SX_MISC, 0);
1568 	WREG32(PA_SC_MODE_CNTL, 0);
1569 	WREG32(PA_SC_EDGERULE, 0xaaaaaaaa);
1570 	WREG32(PA_SC_AA_CONFIG, 0);
1571 	WREG32(PA_SC_CLIPRECT_RULE, 0xffff);
1572 	WREG32(PA_SC_LINE_STIPPLE, 0);
1573 	WREG32(SPI_INPUT_Z, 0);
1574 	WREG32(SPI_PS_IN_CONTROL_0, NUM_INTERP(2));
1575 	WREG32(CB_COLOR7_FRAG, 0);
1576 
1577 	/* clear render buffer base addresses */
1578 	WREG32(CB_COLOR0_BASE, 0);
1579 	WREG32(CB_COLOR1_BASE, 0);
1580 	WREG32(CB_COLOR2_BASE, 0);
1581 	WREG32(CB_COLOR3_BASE, 0);
1582 	WREG32(CB_COLOR4_BASE, 0);
1583 	WREG32(CB_COLOR5_BASE, 0);
1584 	WREG32(CB_COLOR6_BASE, 0);
1585 	WREG32(CB_COLOR7_BASE, 0);
1586 
1587 	WREG32(TCP_CNTL, 0);
1588 
1589 	hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL);
1590 	WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
1591 
1592 	WREG32(PA_SC_MULTI_CHIP_CNTL, 0);
1593 
1594 	WREG32(PA_CL_ENHANCE, (CLIP_VTX_REORDER_ENA |
1595 					  NUM_CLIP_SEQ(3)));
1596 	WREG32(VC_ENHANCE, 0);
1597 }
1598 
1599 void r700_vram_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc)
1600 {
1601 	u64 size_bf, size_af;
1602 
1603 	if (mc->mc_vram_size > 0xE0000000) {
1604 		/* leave room for at least 512M GTT */
1605 		dev_warn(rdev->dev, "limiting VRAM\n");
1606 		mc->real_vram_size = 0xE0000000;
1607 		mc->mc_vram_size = 0xE0000000;
1608 	}
1609 	if (rdev->flags & RADEON_IS_AGP) {
1610 		size_bf = mc->gtt_start;
1611 		size_af = mc->mc_mask - mc->gtt_end;
1612 		if (size_bf > size_af) {
1613 			if (mc->mc_vram_size > size_bf) {
1614 				dev_warn(rdev->dev, "limiting VRAM\n");
1615 				mc->real_vram_size = size_bf;
1616 				mc->mc_vram_size = size_bf;
1617 			}
1618 			mc->vram_start = mc->gtt_start - mc->mc_vram_size;
1619 		} else {
1620 			if (mc->mc_vram_size > size_af) {
1621 				dev_warn(rdev->dev, "limiting VRAM\n");
1622 				mc->real_vram_size = size_af;
1623 				mc->mc_vram_size = size_af;
1624 			}
1625 			mc->vram_start = mc->gtt_end + 1;
1626 		}
1627 		mc->vram_end = mc->vram_start + mc->mc_vram_size - 1;
1628 		dev_info(rdev->dev, "VRAM: %lluM 0x%08llX - 0x%08llX (%lluM used)\n",
1629 				mc->mc_vram_size >> 20, mc->vram_start,
1630 				mc->vram_end, mc->real_vram_size >> 20);
1631 	} else {
1632 		radeon_vram_location(rdev, &rdev->mc, 0);
1633 		rdev->mc.gtt_base_align = 0;
1634 		radeon_gtt_location(rdev, mc);
1635 	}
1636 }
1637 
1638 static int rv770_mc_init(struct radeon_device *rdev)
1639 {
1640 	u32 tmp;
1641 	int chansize, numchan;
1642 
1643 	/* Get VRAM informations */
1644 	rdev->mc.vram_is_ddr = true;
1645 	tmp = RREG32(MC_ARB_RAMCFG);
1646 	if (tmp & CHANSIZE_OVERRIDE) {
1647 		chansize = 16;
1648 	} else if (tmp & CHANSIZE_MASK) {
1649 		chansize = 64;
1650 	} else {
1651 		chansize = 32;
1652 	}
1653 	tmp = RREG32(MC_SHARED_CHMAP);
1654 	switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
1655 	case 0:
1656 	default:
1657 		numchan = 1;
1658 		break;
1659 	case 1:
1660 		numchan = 2;
1661 		break;
1662 	case 2:
1663 		numchan = 4;
1664 		break;
1665 	case 3:
1666 		numchan = 8;
1667 		break;
1668 	}
1669 	rdev->mc.vram_width = numchan * chansize;
1670 	/* Could aper size report 0 ? */
1671 	rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
1672 	rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
1673 	/* Setup GPU memory space */
1674 	rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE);
1675 	rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE);
1676 	rdev->mc.visible_vram_size = rdev->mc.aper_size;
1677 	r700_vram_gtt_location(rdev, &rdev->mc);
1678 	radeon_update_bandwidth_info(rdev);
1679 
1680 	return 0;
1681 }
1682 
1683 static int rv770_startup(struct radeon_device *rdev)
1684 {
1685 	struct radeon_ring *ring;
1686 	int r;
1687 
1688 	/* enable pcie gen2 link */
1689 	rv770_pcie_gen2_enable(rdev);
1690 
1691 	/* scratch needs to be initialized before MC */
1692 	r = r600_vram_scratch_init(rdev);
1693 	if (r)
1694 		return r;
1695 
1696 	rv770_mc_program(rdev);
1697 
1698 	if (rdev->flags & RADEON_IS_AGP) {
1699 		rv770_agp_enable(rdev);
1700 	} else {
1701 		r = rv770_pcie_gart_enable(rdev);
1702 		if (r)
1703 			return r;
1704 	}
1705 
1706 	rv770_gpu_init(rdev);
1707 
1708 	/* allocate wb buffer */
1709 	r = radeon_wb_init(rdev);
1710 	if (r)
1711 		return r;
1712 
1713 	r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
1714 	if (r) {
1715 		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
1716 		return r;
1717 	}
1718 
1719 	r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_DMA_INDEX);
1720 	if (r) {
1721 		dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r);
1722 		return r;
1723 	}
1724 
1725 	r = uvd_v2_2_resume(rdev);
1726 	if (!r) {
1727 		r = radeon_fence_driver_start_ring(rdev,
1728 						   R600_RING_TYPE_UVD_INDEX);
1729 		if (r)
1730 			dev_err(rdev->dev, "UVD fences init error (%d).\n", r);
1731 	}
1732 
1733 	if (r)
1734 		rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size = 0;
1735 
1736 	/* Enable IRQ */
1737 	if (!rdev->irq.installed) {
1738 		r = radeon_irq_kms_init(rdev);
1739 		if (r)
1740 			return r;
1741 	}
1742 
1743 	r = r600_irq_init(rdev);
1744 	if (r) {
1745 		DRM_ERROR("radeon: IH init failed (%d).\n", r);
1746 		radeon_irq_kms_fini(rdev);
1747 		return r;
1748 	}
1749 	r600_irq_set(rdev);
1750 
1751 	ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1752 	r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET,
1753 			     RADEON_CP_PACKET2);
1754 	if (r)
1755 		return r;
1756 
1757 	ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];
1758 	r = radeon_ring_init(rdev, ring, ring->ring_size, R600_WB_DMA_RPTR_OFFSET,
1759 			     DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0));
1760 	if (r)
1761 		return r;
1762 
1763 	r = rv770_cp_load_microcode(rdev);
1764 	if (r)
1765 		return r;
1766 	r = r600_cp_resume(rdev);
1767 	if (r)
1768 		return r;
1769 
1770 	r = r600_dma_resume(rdev);
1771 	if (r)
1772 		return r;
1773 
1774 	ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
1775 	if (ring->ring_size) {
1776 		r = radeon_ring_init(rdev, ring, ring->ring_size, 0,
1777 				     RADEON_CP_PACKET2);
1778 		if (!r)
1779 			r = uvd_v1_0_init(rdev);
1780 
1781 		if (r)
1782 			DRM_ERROR("radeon: failed initializing UVD (%d).\n", r);
1783 	}
1784 
1785 	r = radeon_ib_pool_init(rdev);
1786 	if (r) {
1787 		dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
1788 		return r;
1789 	}
1790 
1791 	r = r600_audio_init(rdev);
1792 	if (r) {
1793 		DRM_ERROR("radeon: audio init failed\n");
1794 		return r;
1795 	}
1796 
1797 	return 0;
1798 }
1799 
1800 int rv770_resume(struct radeon_device *rdev)
1801 {
1802 	int r;
1803 
1804 	/* Do not reset GPU before posting, on rv770 hw unlike on r500 hw,
1805 	 * posting will perform necessary task to bring back GPU into good
1806 	 * shape.
1807 	 */
1808 	/* post card */
1809 	atom_asic_init(rdev->mode_info.atom_context);
1810 
1811 	/* init golden registers */
1812 	rv770_init_golden_registers(rdev);
1813 
1814 	radeon_pm_resume(rdev);
1815 
1816 	rdev->accel_working = true;
1817 	r = rv770_startup(rdev);
1818 	if (r) {
1819 		DRM_ERROR("r600 startup failed on resume\n");
1820 		rdev->accel_working = false;
1821 		return r;
1822 	}
1823 
1824 	return r;
1825 
1826 }
1827 
1828 int rv770_suspend(struct radeon_device *rdev)
1829 {
1830 	radeon_pm_suspend(rdev);
1831 	r600_audio_fini(rdev);
1832 	uvd_v1_0_fini(rdev);
1833 	radeon_uvd_suspend(rdev);
1834 	r700_cp_stop(rdev);
1835 	r600_dma_stop(rdev);
1836 	r600_irq_suspend(rdev);
1837 	radeon_wb_disable(rdev);
1838 	rv770_pcie_gart_disable(rdev);
1839 
1840 	return 0;
1841 }
1842 
1843 /* Plan is to move initialization in that function and use
1844  * helper function so that radeon_device_init pretty much
1845  * do nothing more than calling asic specific function. This
1846  * should also allow to remove a bunch of callback function
1847  * like vram_info.
1848  */
1849 int rv770_init(struct radeon_device *rdev)
1850 {
1851 	int r;
1852 
1853 	/* Read BIOS */
1854 	if (!radeon_get_bios(rdev)) {
1855 		if (ASIC_IS_AVIVO(rdev))
1856 			return -EINVAL;
1857 	}
1858 	/* Must be an ATOMBIOS */
1859 	if (!rdev->is_atom_bios) {
1860 		dev_err(rdev->dev, "Expecting atombios for R600 GPU\n");
1861 		return -EINVAL;
1862 	}
1863 	r = radeon_atombios_init(rdev);
1864 	if (r)
1865 		return r;
1866 	/* Post card if necessary */
1867 	if (!radeon_card_posted(rdev)) {
1868 		if (!rdev->bios) {
1869 			dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
1870 			return -EINVAL;
1871 		}
1872 		DRM_INFO("GPU not posted. posting now...\n");
1873 		atom_asic_init(rdev->mode_info.atom_context);
1874 	}
1875 	/* init golden registers */
1876 	rv770_init_golden_registers(rdev);
1877 	/* Initialize scratch registers */
1878 	r600_scratch_init(rdev);
1879 	/* Initialize surface registers */
1880 	radeon_surface_init(rdev);
1881 	/* Initialize clocks */
1882 	radeon_get_clock_info(rdev->ddev);
1883 	/* Fence driver */
1884 	r = radeon_fence_driver_init(rdev);
1885 	if (r)
1886 		return r;
1887 	/* initialize AGP */
1888 	if (rdev->flags & RADEON_IS_AGP) {
1889 		r = radeon_agp_init(rdev);
1890 		if (r)
1891 			radeon_agp_disable(rdev);
1892 	}
1893 	r = rv770_mc_init(rdev);
1894 	if (r)
1895 		return r;
1896 	/* Memory manager */
1897 	r = radeon_bo_init(rdev);
1898 	if (r)
1899 		return r;
1900 
1901 	if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
1902 		r = r600_init_microcode(rdev);
1903 		if (r) {
1904 			DRM_ERROR("Failed to load firmware!\n");
1905 			return r;
1906 		}
1907 	}
1908 
1909 	/* Initialize power management */
1910 	radeon_pm_init(rdev);
1911 
1912 	rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ring_obj = NULL;
1913 	r600_ring_init(rdev, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX], 1024 * 1024);
1914 
1915 	rdev->ring[R600_RING_TYPE_DMA_INDEX].ring_obj = NULL;
1916 	r600_ring_init(rdev, &rdev->ring[R600_RING_TYPE_DMA_INDEX], 64 * 1024);
1917 
1918 	r = radeon_uvd_init(rdev);
1919 	if (!r) {
1920 		rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_obj = NULL;
1921 		r600_ring_init(rdev, &rdev->ring[R600_RING_TYPE_UVD_INDEX],
1922 			       4096);
1923 	}
1924 
1925 	rdev->ih.ring_obj = NULL;
1926 	r600_ih_ring_init(rdev, 64 * 1024);
1927 
1928 	r = r600_pcie_gart_init(rdev);
1929 	if (r)
1930 		return r;
1931 
1932 	rdev->accel_working = true;
1933 	r = rv770_startup(rdev);
1934 	if (r) {
1935 		dev_err(rdev->dev, "disabling GPU acceleration\n");
1936 		r700_cp_fini(rdev);
1937 		r600_dma_fini(rdev);
1938 		r600_irq_fini(rdev);
1939 		radeon_wb_fini(rdev);
1940 		radeon_ib_pool_fini(rdev);
1941 		radeon_irq_kms_fini(rdev);
1942 		rv770_pcie_gart_fini(rdev);
1943 		rdev->accel_working = false;
1944 	}
1945 
1946 	return 0;
1947 }
1948 
1949 void rv770_fini(struct radeon_device *rdev)
1950 {
1951 	radeon_pm_fini(rdev);
1952 	r700_cp_fini(rdev);
1953 	r600_dma_fini(rdev);
1954 	r600_irq_fini(rdev);
1955 	radeon_wb_fini(rdev);
1956 	radeon_ib_pool_fini(rdev);
1957 	radeon_irq_kms_fini(rdev);
1958 	rv770_pcie_gart_fini(rdev);
1959 	uvd_v1_0_fini(rdev);
1960 	radeon_uvd_fini(rdev);
1961 	r600_vram_scratch_fini(rdev);
1962 	radeon_gem_fini(rdev);
1963 	radeon_fence_driver_fini(rdev);
1964 	radeon_agp_fini(rdev);
1965 	radeon_bo_fini(rdev);
1966 	radeon_atombios_fini(rdev);
1967 	kfree(rdev->bios);
1968 	rdev->bios = NULL;
1969 }
1970 
1971 static void rv770_pcie_gen2_enable(struct radeon_device *rdev)
1972 {
1973 	u32 link_width_cntl, lanes, speed_cntl, tmp;
1974 	u16 link_cntl2;
1975 
1976 	if (radeon_pcie_gen2 == 0)
1977 		return;
1978 
1979 	if (rdev->flags & RADEON_IS_IGP)
1980 		return;
1981 
1982 	if (!(rdev->flags & RADEON_IS_PCIE))
1983 		return;
1984 
1985 	/* x2 cards have a special sequence */
1986 	if (ASIC_IS_X2(rdev))
1987 		return;
1988 
1989 	if ((rdev->pdev->bus->max_bus_speed != PCIE_SPEED_5_0GT) &&
1990 		(rdev->pdev->bus->max_bus_speed != PCIE_SPEED_8_0GT))
1991 		return;
1992 
1993 	DRM_INFO("enabling PCIE gen 2 link speeds, disable with radeon.pcie_gen2=0\n");
1994 
1995 	/* advertise upconfig capability */
1996 	link_width_cntl = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL);
1997 	link_width_cntl &= ~LC_UPCONFIGURE_DIS;
1998 	WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
1999 	link_width_cntl = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL);
2000 	if (link_width_cntl & LC_RENEGOTIATION_SUPPORT) {
2001 		lanes = (link_width_cntl & LC_LINK_WIDTH_RD_MASK) >> LC_LINK_WIDTH_RD_SHIFT;
2002 		link_width_cntl &= ~(LC_LINK_WIDTH_MASK |
2003 				     LC_RECONFIG_ARC_MISSING_ESCAPE);
2004 		link_width_cntl |= lanes | LC_RECONFIG_NOW |
2005 			LC_RENEGOTIATE_EN | LC_UPCONFIGURE_SUPPORT;
2006 		WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
2007 	} else {
2008 		link_width_cntl |= LC_UPCONFIGURE_DIS;
2009 		WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
2010 	}
2011 
2012 	speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
2013 	if ((speed_cntl & LC_OTHER_SIDE_EVER_SENT_GEN2) &&
2014 	    (speed_cntl & LC_OTHER_SIDE_SUPPORTS_GEN2)) {
2015 
2016 		tmp = RREG32(0x541c);
2017 		WREG32(0x541c, tmp | 0x8);
2018 		WREG32(MM_CFGREGS_CNTL, MM_WR_TO_CFG_EN);
2019 		link_cntl2 = RREG16(0x4088);
2020 		link_cntl2 &= ~TARGET_LINK_SPEED_MASK;
2021 		link_cntl2 |= 0x2;
2022 		WREG16(0x4088, link_cntl2);
2023 		WREG32(MM_CFGREGS_CNTL, 0);
2024 
2025 		speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
2026 		speed_cntl &= ~LC_TARGET_LINK_SPEED_OVERRIDE_EN;
2027 		WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
2028 
2029 		speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
2030 		speed_cntl |= LC_CLR_FAILED_SPD_CHANGE_CNT;
2031 		WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
2032 
2033 		speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
2034 		speed_cntl &= ~LC_CLR_FAILED_SPD_CHANGE_CNT;
2035 		WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
2036 
2037 		speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
2038 		speed_cntl |= LC_GEN2_EN_STRAP;
2039 		WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
2040 
2041 	} else {
2042 		link_width_cntl = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL);
2043 		/* XXX: only disable it if gen1 bridge vendor == 0x111d or 0x1106 */
2044 		if (1)
2045 			link_width_cntl |= LC_UPCONFIGURE_DIS;
2046 		else
2047 			link_width_cntl &= ~LC_UPCONFIGURE_DIS;
2048 		WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
2049 	}
2050 }
2051