xref: /linux/drivers/gpu/drm/radeon/rv770.c (revision f40d6817a5c2bf84f5fe7b5d1a83f1e8f8669951)
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 "drmP.h"
31 #include "radeon.h"
32 #include "radeon_drm.h"
33 #include "rv770d.h"
34 #include "atom.h"
35 #include "avivod.h"
36 
37 #define R700_PFP_UCODE_SIZE 848
38 #define R700_PM4_UCODE_SIZE 1360
39 
40 static void rv770_gpu_init(struct radeon_device *rdev);
41 void rv770_fini(struct radeon_device *rdev);
42 
43 
44 /*
45  * GART
46  */
47 int rv770_pcie_gart_enable(struct radeon_device *rdev)
48 {
49 	u32 tmp;
50 	int r, i;
51 
52 	if (rdev->gart.table.vram.robj == NULL) {
53 		dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
54 		return -EINVAL;
55 	}
56 	r = radeon_gart_table_vram_pin(rdev);
57 	if (r)
58 		return r;
59 	/* Setup L2 cache */
60 	WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
61 				ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
62 				EFFECTIVE_L2_QUEUE_SIZE(7));
63 	WREG32(VM_L2_CNTL2, 0);
64 	WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
65 	/* Setup TLB control */
66 	tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
67 		SYSTEM_ACCESS_MODE_NOT_IN_SYS |
68 		SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
69 		EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
70 	WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
71 	WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
72 	WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
73 	WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
74 	WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
75 	WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
76 	WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
77 	WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
78 	WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
79 	WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
80 	WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
81 				RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
82 	WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
83 			(u32)(rdev->dummy_page.addr >> 12));
84 	for (i = 1; i < 7; i++)
85 		WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
86 
87 	r600_pcie_gart_tlb_flush(rdev);
88 	rdev->gart.ready = true;
89 	return 0;
90 }
91 
92 void rv770_pcie_gart_disable(struct radeon_device *rdev)
93 {
94 	u32 tmp;
95 	int i;
96 
97 	/* Disable all tables */
98 	for (i = 0; i < 7; i++)
99 		WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
100 
101 	/* Setup L2 cache */
102 	WREG32(VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING |
103 				EFFECTIVE_L2_QUEUE_SIZE(7));
104 	WREG32(VM_L2_CNTL2, 0);
105 	WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
106 	/* Setup TLB control */
107 	tmp = EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
108 	WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
109 	WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
110 	WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
111 	WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
112 	WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
113 	WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
114 	WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
115 	if (rdev->gart.table.vram.robj) {
116 		radeon_object_kunmap(rdev->gart.table.vram.robj);
117 		radeon_object_unpin(rdev->gart.table.vram.robj);
118 	}
119 }
120 
121 void rv770_pcie_gart_fini(struct radeon_device *rdev)
122 {
123 	rv770_pcie_gart_disable(rdev);
124 	radeon_gart_table_vram_free(rdev);
125 	radeon_gart_fini(rdev);
126 }
127 
128 
129 void rv770_agp_enable(struct radeon_device *rdev)
130 {
131 	u32 tmp;
132 	int i;
133 
134 	/* Setup L2 cache */
135 	WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
136 				ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
137 				EFFECTIVE_L2_QUEUE_SIZE(7));
138 	WREG32(VM_L2_CNTL2, 0);
139 	WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
140 	/* Setup TLB control */
141 	tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
142 		SYSTEM_ACCESS_MODE_NOT_IN_SYS |
143 		SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
144 		EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
145 	WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
146 	WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
147 	WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
148 	WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
149 	WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
150 	WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
151 	WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
152 	for (i = 0; i < 7; i++)
153 		WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
154 }
155 
156 static void rv770_mc_program(struct radeon_device *rdev)
157 {
158 	struct rv515_mc_save save;
159 	u32 tmp;
160 	int i, j;
161 
162 	/* Initialize HDP */
163 	for (i = 0, j = 0; i < 32; i++, j += 0x18) {
164 		WREG32((0x2c14 + j), 0x00000000);
165 		WREG32((0x2c18 + j), 0x00000000);
166 		WREG32((0x2c1c + j), 0x00000000);
167 		WREG32((0x2c20 + j), 0x00000000);
168 		WREG32((0x2c24 + j), 0x00000000);
169 	}
170 	WREG32(HDP_REG_COHERENCY_FLUSH_CNTL, 0);
171 
172 	rv515_mc_stop(rdev, &save);
173 	if (r600_mc_wait_for_idle(rdev)) {
174 		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
175 	}
176 	/* Lockout access through VGA aperture*/
177 	WREG32(VGA_HDP_CONTROL, VGA_MEMORY_DISABLE);
178 	/* Update configuration */
179 	if (rdev->flags & RADEON_IS_AGP) {
180 		if (rdev->mc.vram_start < rdev->mc.gtt_start) {
181 			/* VRAM before AGP */
182 			WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
183 				rdev->mc.vram_start >> 12);
184 			WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
185 				rdev->mc.gtt_end >> 12);
186 		} else {
187 			/* VRAM after AGP */
188 			WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
189 				rdev->mc.gtt_start >> 12);
190 			WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
191 				rdev->mc.vram_end >> 12);
192 		}
193 	} else {
194 		WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
195 			rdev->mc.vram_start >> 12);
196 		WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
197 			rdev->mc.vram_end >> 12);
198 	}
199 	WREG32(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, 0);
200 	tmp = ((rdev->mc.vram_end >> 24) & 0xFFFF) << 16;
201 	tmp |= ((rdev->mc.vram_start >> 24) & 0xFFFF);
202 	WREG32(MC_VM_FB_LOCATION, tmp);
203 	WREG32(HDP_NONSURFACE_BASE, (rdev->mc.vram_start >> 8));
204 	WREG32(HDP_NONSURFACE_INFO, (2 << 7));
205 	WREG32(HDP_NONSURFACE_SIZE, (rdev->mc.mc_vram_size - 1) | 0x3FF);
206 	if (rdev->flags & RADEON_IS_AGP) {
207 		WREG32(MC_VM_AGP_TOP, rdev->mc.gtt_end >> 16);
208 		WREG32(MC_VM_AGP_BOT, rdev->mc.gtt_start >> 16);
209 		WREG32(MC_VM_AGP_BASE, rdev->mc.agp_base >> 22);
210 	} else {
211 		WREG32(MC_VM_AGP_BASE, 0);
212 		WREG32(MC_VM_AGP_TOP, 0x0FFFFFFF);
213 		WREG32(MC_VM_AGP_BOT, 0x0FFFFFFF);
214 	}
215 	if (r600_mc_wait_for_idle(rdev)) {
216 		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
217 	}
218 	rv515_mc_resume(rdev, &save);
219 	/* we need to own VRAM, so turn off the VGA renderer here
220 	 * to stop it overwriting our objects */
221 	rv515_vga_render_disable(rdev);
222 }
223 
224 
225 /*
226  * CP.
227  */
228 void r700_cp_stop(struct radeon_device *rdev)
229 {
230 	WREG32(CP_ME_CNTL, (CP_ME_HALT | CP_PFP_HALT));
231 }
232 
233 
234 static int rv770_cp_load_microcode(struct radeon_device *rdev)
235 {
236 	const __be32 *fw_data;
237 	int i;
238 
239 	if (!rdev->me_fw || !rdev->pfp_fw)
240 		return -EINVAL;
241 
242 	r700_cp_stop(rdev);
243 	WREG32(CP_RB_CNTL, RB_NO_UPDATE | (15 << 8) | (3 << 0));
244 
245 	/* Reset cp */
246 	WREG32(GRBM_SOFT_RESET, SOFT_RESET_CP);
247 	RREG32(GRBM_SOFT_RESET);
248 	mdelay(15);
249 	WREG32(GRBM_SOFT_RESET, 0);
250 
251 	fw_data = (const __be32 *)rdev->pfp_fw->data;
252 	WREG32(CP_PFP_UCODE_ADDR, 0);
253 	for (i = 0; i < R700_PFP_UCODE_SIZE; i++)
254 		WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++));
255 	WREG32(CP_PFP_UCODE_ADDR, 0);
256 
257 	fw_data = (const __be32 *)rdev->me_fw->data;
258 	WREG32(CP_ME_RAM_WADDR, 0);
259 	for (i = 0; i < R700_PM4_UCODE_SIZE; i++)
260 		WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++));
261 
262 	WREG32(CP_PFP_UCODE_ADDR, 0);
263 	WREG32(CP_ME_RAM_WADDR, 0);
264 	WREG32(CP_ME_RAM_RADDR, 0);
265 	return 0;
266 }
267 
268 
269 /*
270  * Core functions
271  */
272 static u32 r700_get_tile_pipe_to_backend_map(u32 num_tile_pipes,
273 						u32 num_backends,
274 						u32 backend_disable_mask)
275 {
276 	u32 backend_map = 0;
277 	u32 enabled_backends_mask;
278 	u32 enabled_backends_count;
279 	u32 cur_pipe;
280 	u32 swizzle_pipe[R7XX_MAX_PIPES];
281 	u32 cur_backend;
282 	u32 i;
283 
284 	if (num_tile_pipes > R7XX_MAX_PIPES)
285 		num_tile_pipes = R7XX_MAX_PIPES;
286 	if (num_tile_pipes < 1)
287 		num_tile_pipes = 1;
288 	if (num_backends > R7XX_MAX_BACKENDS)
289 		num_backends = R7XX_MAX_BACKENDS;
290 	if (num_backends < 1)
291 		num_backends = 1;
292 
293 	enabled_backends_mask = 0;
294 	enabled_backends_count = 0;
295 	for (i = 0; i < R7XX_MAX_BACKENDS; ++i) {
296 		if (((backend_disable_mask >> i) & 1) == 0) {
297 			enabled_backends_mask |= (1 << i);
298 			++enabled_backends_count;
299 		}
300 		if (enabled_backends_count == num_backends)
301 			break;
302 	}
303 
304 	if (enabled_backends_count == 0) {
305 		enabled_backends_mask = 1;
306 		enabled_backends_count = 1;
307 	}
308 
309 	if (enabled_backends_count != num_backends)
310 		num_backends = enabled_backends_count;
311 
312 	memset((uint8_t *)&swizzle_pipe[0], 0, sizeof(u32) * R7XX_MAX_PIPES);
313 	switch (num_tile_pipes) {
314 	case 1:
315 		swizzle_pipe[0] = 0;
316 		break;
317 	case 2:
318 		swizzle_pipe[0] = 0;
319 		swizzle_pipe[1] = 1;
320 		break;
321 	case 3:
322 		swizzle_pipe[0] = 0;
323 		swizzle_pipe[1] = 2;
324 		swizzle_pipe[2] = 1;
325 		break;
326 	case 4:
327 		swizzle_pipe[0] = 0;
328 		swizzle_pipe[1] = 2;
329 		swizzle_pipe[2] = 3;
330 		swizzle_pipe[3] = 1;
331 		break;
332 	case 5:
333 		swizzle_pipe[0] = 0;
334 		swizzle_pipe[1] = 2;
335 		swizzle_pipe[2] = 4;
336 		swizzle_pipe[3] = 1;
337 		swizzle_pipe[4] = 3;
338 		break;
339 	case 6:
340 		swizzle_pipe[0] = 0;
341 		swizzle_pipe[1] = 2;
342 		swizzle_pipe[2] = 4;
343 		swizzle_pipe[3] = 5;
344 		swizzle_pipe[4] = 3;
345 		swizzle_pipe[5] = 1;
346 		break;
347 	case 7:
348 		swizzle_pipe[0] = 0;
349 		swizzle_pipe[1] = 2;
350 		swizzle_pipe[2] = 4;
351 		swizzle_pipe[3] = 6;
352 		swizzle_pipe[4] = 3;
353 		swizzle_pipe[5] = 1;
354 		swizzle_pipe[6] = 5;
355 		break;
356 	case 8:
357 		swizzle_pipe[0] = 0;
358 		swizzle_pipe[1] = 2;
359 		swizzle_pipe[2] = 4;
360 		swizzle_pipe[3] = 6;
361 		swizzle_pipe[4] = 3;
362 		swizzle_pipe[5] = 1;
363 		swizzle_pipe[6] = 7;
364 		swizzle_pipe[7] = 5;
365 		break;
366 	}
367 
368 	cur_backend = 0;
369 	for (cur_pipe = 0; cur_pipe < num_tile_pipes; ++cur_pipe) {
370 		while (((1 << cur_backend) & enabled_backends_mask) == 0)
371 			cur_backend = (cur_backend + 1) % R7XX_MAX_BACKENDS;
372 
373 		backend_map |= (u32)(((cur_backend & 3) << (swizzle_pipe[cur_pipe] * 2)));
374 
375 		cur_backend = (cur_backend + 1) % R7XX_MAX_BACKENDS;
376 	}
377 
378 	return backend_map;
379 }
380 
381 static void rv770_gpu_init(struct radeon_device *rdev)
382 {
383 	int i, j, num_qd_pipes;
384 	u32 sx_debug_1;
385 	u32 smx_dc_ctl0;
386 	u32 num_gs_verts_per_thread;
387 	u32 vgt_gs_per_es;
388 	u32 gs_prim_buffer_depth = 0;
389 	u32 sq_ms_fifo_sizes;
390 	u32 sq_config;
391 	u32 sq_thread_resource_mgmt;
392 	u32 hdp_host_path_cntl;
393 	u32 sq_dyn_gpr_size_simd_ab_0;
394 	u32 backend_map;
395 	u32 gb_tiling_config = 0;
396 	u32 cc_rb_backend_disable = 0;
397 	u32 cc_gc_shader_pipe_config = 0;
398 	u32 mc_arb_ramcfg;
399 	u32 db_debug4;
400 
401 	/* setup chip specs */
402 	switch (rdev->family) {
403 	case CHIP_RV770:
404 		rdev->config.rv770.max_pipes = 4;
405 		rdev->config.rv770.max_tile_pipes = 8;
406 		rdev->config.rv770.max_simds = 10;
407 		rdev->config.rv770.max_backends = 4;
408 		rdev->config.rv770.max_gprs = 256;
409 		rdev->config.rv770.max_threads = 248;
410 		rdev->config.rv770.max_stack_entries = 512;
411 		rdev->config.rv770.max_hw_contexts = 8;
412 		rdev->config.rv770.max_gs_threads = 16 * 2;
413 		rdev->config.rv770.sx_max_export_size = 128;
414 		rdev->config.rv770.sx_max_export_pos_size = 16;
415 		rdev->config.rv770.sx_max_export_smx_size = 112;
416 		rdev->config.rv770.sq_num_cf_insts = 2;
417 
418 		rdev->config.rv770.sx_num_of_sets = 7;
419 		rdev->config.rv770.sc_prim_fifo_size = 0xF9;
420 		rdev->config.rv770.sc_hiz_tile_fifo_size = 0x30;
421 		rdev->config.rv770.sc_earlyz_tile_fifo_fize = 0x130;
422 		break;
423 	case CHIP_RV730:
424 		rdev->config.rv770.max_pipes = 2;
425 		rdev->config.rv770.max_tile_pipes = 4;
426 		rdev->config.rv770.max_simds = 8;
427 		rdev->config.rv770.max_backends = 2;
428 		rdev->config.rv770.max_gprs = 128;
429 		rdev->config.rv770.max_threads = 248;
430 		rdev->config.rv770.max_stack_entries = 256;
431 		rdev->config.rv770.max_hw_contexts = 8;
432 		rdev->config.rv770.max_gs_threads = 16 * 2;
433 		rdev->config.rv770.sx_max_export_size = 256;
434 		rdev->config.rv770.sx_max_export_pos_size = 32;
435 		rdev->config.rv770.sx_max_export_smx_size = 224;
436 		rdev->config.rv770.sq_num_cf_insts = 2;
437 
438 		rdev->config.rv770.sx_num_of_sets = 7;
439 		rdev->config.rv770.sc_prim_fifo_size = 0xf9;
440 		rdev->config.rv770.sc_hiz_tile_fifo_size = 0x30;
441 		rdev->config.rv770.sc_earlyz_tile_fifo_fize = 0x130;
442 		if (rdev->config.rv770.sx_max_export_pos_size > 16) {
443 			rdev->config.rv770.sx_max_export_pos_size -= 16;
444 			rdev->config.rv770.sx_max_export_smx_size += 16;
445 		}
446 		break;
447 	case CHIP_RV710:
448 		rdev->config.rv770.max_pipes = 2;
449 		rdev->config.rv770.max_tile_pipes = 2;
450 		rdev->config.rv770.max_simds = 2;
451 		rdev->config.rv770.max_backends = 1;
452 		rdev->config.rv770.max_gprs = 256;
453 		rdev->config.rv770.max_threads = 192;
454 		rdev->config.rv770.max_stack_entries = 256;
455 		rdev->config.rv770.max_hw_contexts = 4;
456 		rdev->config.rv770.max_gs_threads = 8 * 2;
457 		rdev->config.rv770.sx_max_export_size = 128;
458 		rdev->config.rv770.sx_max_export_pos_size = 16;
459 		rdev->config.rv770.sx_max_export_smx_size = 112;
460 		rdev->config.rv770.sq_num_cf_insts = 1;
461 
462 		rdev->config.rv770.sx_num_of_sets = 7;
463 		rdev->config.rv770.sc_prim_fifo_size = 0x40;
464 		rdev->config.rv770.sc_hiz_tile_fifo_size = 0x30;
465 		rdev->config.rv770.sc_earlyz_tile_fifo_fize = 0x130;
466 		break;
467 	case CHIP_RV740:
468 		rdev->config.rv770.max_pipes = 4;
469 		rdev->config.rv770.max_tile_pipes = 4;
470 		rdev->config.rv770.max_simds = 8;
471 		rdev->config.rv770.max_backends = 4;
472 		rdev->config.rv770.max_gprs = 256;
473 		rdev->config.rv770.max_threads = 248;
474 		rdev->config.rv770.max_stack_entries = 512;
475 		rdev->config.rv770.max_hw_contexts = 8;
476 		rdev->config.rv770.max_gs_threads = 16 * 2;
477 		rdev->config.rv770.sx_max_export_size = 256;
478 		rdev->config.rv770.sx_max_export_pos_size = 32;
479 		rdev->config.rv770.sx_max_export_smx_size = 224;
480 		rdev->config.rv770.sq_num_cf_insts = 2;
481 
482 		rdev->config.rv770.sx_num_of_sets = 7;
483 		rdev->config.rv770.sc_prim_fifo_size = 0x100;
484 		rdev->config.rv770.sc_hiz_tile_fifo_size = 0x30;
485 		rdev->config.rv770.sc_earlyz_tile_fifo_fize = 0x130;
486 
487 		if (rdev->config.rv770.sx_max_export_pos_size > 16) {
488 			rdev->config.rv770.sx_max_export_pos_size -= 16;
489 			rdev->config.rv770.sx_max_export_smx_size += 16;
490 		}
491 		break;
492 	default:
493 		break;
494 	}
495 
496 	/* Initialize HDP */
497 	j = 0;
498 	for (i = 0; i < 32; i++) {
499 		WREG32((0x2c14 + j), 0x00000000);
500 		WREG32((0x2c18 + j), 0x00000000);
501 		WREG32((0x2c1c + j), 0x00000000);
502 		WREG32((0x2c20 + j), 0x00000000);
503 		WREG32((0x2c24 + j), 0x00000000);
504 		j += 0x18;
505 	}
506 
507 	WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
508 
509 	/* setup tiling, simd, pipe config */
510 	mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG);
511 
512 	switch (rdev->config.rv770.max_tile_pipes) {
513 	case 1:
514 		gb_tiling_config |= PIPE_TILING(0);
515 		break;
516 	case 2:
517 		gb_tiling_config |= PIPE_TILING(1);
518 		break;
519 	case 4:
520 		gb_tiling_config |= PIPE_TILING(2);
521 		break;
522 	case 8:
523 		gb_tiling_config |= PIPE_TILING(3);
524 		break;
525 	default:
526 		break;
527 	}
528 
529 	if (rdev->family == CHIP_RV770)
530 		gb_tiling_config |= BANK_TILING(1);
531 	else
532 		gb_tiling_config |= BANK_TILING((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT);
533 
534 	gb_tiling_config |= GROUP_SIZE(0);
535 
536 	if (((mc_arb_ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT) > 3) {
537 		gb_tiling_config |= ROW_TILING(3);
538 		gb_tiling_config |= SAMPLE_SPLIT(3);
539 	} else {
540 		gb_tiling_config |=
541 			ROW_TILING(((mc_arb_ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT));
542 		gb_tiling_config |=
543 			SAMPLE_SPLIT(((mc_arb_ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT));
544 	}
545 
546 	gb_tiling_config |= BANK_SWAPS(1);
547 
548 	backend_map = r700_get_tile_pipe_to_backend_map(rdev->config.rv770.max_tile_pipes,
549 							rdev->config.rv770.max_backends,
550 							(0xff << rdev->config.rv770.max_backends) & 0xff);
551 	gb_tiling_config |= BACKEND_MAP(backend_map);
552 
553 	cc_gc_shader_pipe_config =
554 		INACTIVE_QD_PIPES((R7XX_MAX_PIPES_MASK << rdev->config.rv770.max_pipes) & R7XX_MAX_PIPES_MASK);
555 	cc_gc_shader_pipe_config |=
556 		INACTIVE_SIMDS((R7XX_MAX_SIMDS_MASK << rdev->config.rv770.max_simds) & R7XX_MAX_SIMDS_MASK);
557 
558 	cc_rb_backend_disable =
559 		BACKEND_DISABLE((R7XX_MAX_BACKENDS_MASK << rdev->config.rv770.max_backends) & R7XX_MAX_BACKENDS_MASK);
560 
561 	WREG32(GB_TILING_CONFIG, gb_tiling_config);
562 	WREG32(DCP_TILING_CONFIG, (gb_tiling_config & 0xffff));
563 	WREG32(HDP_TILING_CONFIG, (gb_tiling_config & 0xffff));
564 
565 	WREG32(CC_RB_BACKEND_DISABLE,      cc_rb_backend_disable);
566 	WREG32(CC_GC_SHADER_PIPE_CONFIG,   cc_gc_shader_pipe_config);
567 	WREG32(GC_USER_SHADER_PIPE_CONFIG, cc_gc_shader_pipe_config);
568 
569 	WREG32(CC_SYS_RB_BACKEND_DISABLE, cc_rb_backend_disable);
570 	WREG32(CGTS_SYS_TCC_DISABLE, 0);
571 	WREG32(CGTS_TCC_DISABLE, 0);
572 	WREG32(CGTS_USER_SYS_TCC_DISABLE, 0);
573 	WREG32(CGTS_USER_TCC_DISABLE, 0);
574 
575 	num_qd_pipes =
576 		R7XX_MAX_BACKENDS - r600_count_pipe_bits(cc_gc_shader_pipe_config & INACTIVE_QD_PIPES_MASK);
577 	WREG32(VGT_OUT_DEALLOC_CNTL, (num_qd_pipes * 4) & DEALLOC_DIST_MASK);
578 	WREG32(VGT_VERTEX_REUSE_BLOCK_CNTL, ((num_qd_pipes * 4) - 2) & VTX_REUSE_DEPTH_MASK);
579 
580 	/* set HW defaults for 3D engine */
581 	WREG32(CP_QUEUE_THRESHOLDS, (ROQ_IB1_START(0x16) |
582 				     ROQ_IB2_START(0x2b)));
583 
584 	WREG32(CP_MEQ_THRESHOLDS, STQ_SPLIT(0x30));
585 
586 	WREG32(TA_CNTL_AUX, (DISABLE_CUBE_ANISO |
587 			     SYNC_GRADIENT |
588 			     SYNC_WALKER |
589 			     SYNC_ALIGNER));
590 
591 	sx_debug_1 = RREG32(SX_DEBUG_1);
592 	sx_debug_1 |= ENABLE_NEW_SMX_ADDRESS;
593 	WREG32(SX_DEBUG_1, sx_debug_1);
594 
595 	smx_dc_ctl0 = RREG32(SMX_DC_CTL0);
596 	smx_dc_ctl0 &= ~CACHE_DEPTH(0x1ff);
597 	smx_dc_ctl0 |= CACHE_DEPTH((rdev->config.rv770.sx_num_of_sets * 64) - 1);
598 	WREG32(SMX_DC_CTL0, smx_dc_ctl0);
599 
600 	WREG32(SMX_EVENT_CTL, (ES_FLUSH_CTL(4) |
601 			       GS_FLUSH_CTL(4) |
602 			       ACK_FLUSH_CTL(3) |
603 			       SYNC_FLUSH_CTL));
604 
605 	if (rdev->family == CHIP_RV770)
606 		WREG32(DB_DEBUG3, DB_CLK_OFF_DELAY(0x1f));
607 	else {
608 		db_debug4 = RREG32(DB_DEBUG4);
609 		db_debug4 |= DISABLE_TILE_COVERED_FOR_PS_ITER;
610 		WREG32(DB_DEBUG4, db_debug4);
611 	}
612 
613 	WREG32(SX_EXPORT_BUFFER_SIZES, (COLOR_BUFFER_SIZE((rdev->config.rv770.sx_max_export_size / 4) - 1) |
614 					POSITION_BUFFER_SIZE((rdev->config.rv770.sx_max_export_pos_size / 4) - 1) |
615 					SMX_BUFFER_SIZE((rdev->config.rv770.sx_max_export_smx_size / 4) - 1)));
616 
617 	WREG32(PA_SC_FIFO_SIZE, (SC_PRIM_FIFO_SIZE(rdev->config.rv770.sc_prim_fifo_size) |
618 				 SC_HIZ_TILE_FIFO_SIZE(rdev->config.rv770.sc_hiz_tile_fifo_size) |
619 				 SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.rv770.sc_earlyz_tile_fifo_fize)));
620 
621 	WREG32(PA_SC_MULTI_CHIP_CNTL, 0);
622 
623 	WREG32(VGT_NUM_INSTANCES, 1);
624 
625 	WREG32(SPI_CONFIG_CNTL, GPR_WRITE_PRIORITY(0));
626 
627 	WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(4));
628 
629 	WREG32(CP_PERFMON_CNTL, 0);
630 
631 	sq_ms_fifo_sizes = (CACHE_FIFO_SIZE(16 * rdev->config.rv770.sq_num_cf_insts) |
632 			    DONE_FIFO_HIWATER(0xe0) |
633 			    ALU_UPDATE_FIFO_HIWATER(0x8));
634 	switch (rdev->family) {
635 	case CHIP_RV770:
636 		sq_ms_fifo_sizes |= FETCH_FIFO_HIWATER(0x1);
637 		break;
638 	case CHIP_RV730:
639 	case CHIP_RV710:
640 	case CHIP_RV740:
641 	default:
642 		sq_ms_fifo_sizes |= FETCH_FIFO_HIWATER(0x4);
643 		break;
644 	}
645 	WREG32(SQ_MS_FIFO_SIZES, sq_ms_fifo_sizes);
646 
647 	/* SQ_CONFIG, SQ_GPR_RESOURCE_MGMT, SQ_THREAD_RESOURCE_MGMT, SQ_STACK_RESOURCE_MGMT
648 	 * should be adjusted as needed by the 2D/3D drivers.  This just sets default values
649 	 */
650 	sq_config = RREG32(SQ_CONFIG);
651 	sq_config &= ~(PS_PRIO(3) |
652 		       VS_PRIO(3) |
653 		       GS_PRIO(3) |
654 		       ES_PRIO(3));
655 	sq_config |= (DX9_CONSTS |
656 		      VC_ENABLE |
657 		      EXPORT_SRC_C |
658 		      PS_PRIO(0) |
659 		      VS_PRIO(1) |
660 		      GS_PRIO(2) |
661 		      ES_PRIO(3));
662 	if (rdev->family == CHIP_RV710)
663 		/* no vertex cache */
664 		sq_config &= ~VC_ENABLE;
665 
666 	WREG32(SQ_CONFIG, sq_config);
667 
668 	WREG32(SQ_GPR_RESOURCE_MGMT_1,  (NUM_PS_GPRS((rdev->config.rv770.max_gprs * 24)/64) |
669 					 NUM_VS_GPRS((rdev->config.rv770.max_gprs * 24)/64) |
670 					 NUM_CLAUSE_TEMP_GPRS(((rdev->config.rv770.max_gprs * 24)/64)/2)));
671 
672 	WREG32(SQ_GPR_RESOURCE_MGMT_2,  (NUM_GS_GPRS((rdev->config.rv770.max_gprs * 7)/64) |
673 					 NUM_ES_GPRS((rdev->config.rv770.max_gprs * 7)/64)));
674 
675 	sq_thread_resource_mgmt = (NUM_PS_THREADS((rdev->config.rv770.max_threads * 4)/8) |
676 				   NUM_VS_THREADS((rdev->config.rv770.max_threads * 2)/8) |
677 				   NUM_ES_THREADS((rdev->config.rv770.max_threads * 1)/8));
678 	if (((rdev->config.rv770.max_threads * 1) / 8) > rdev->config.rv770.max_gs_threads)
679 		sq_thread_resource_mgmt |= NUM_GS_THREADS(rdev->config.rv770.max_gs_threads);
680 	else
681 		sq_thread_resource_mgmt |= NUM_GS_THREADS((rdev->config.rv770.max_gs_threads * 1)/8);
682 	WREG32(SQ_THREAD_RESOURCE_MGMT, sq_thread_resource_mgmt);
683 
684 	WREG32(SQ_STACK_RESOURCE_MGMT_1, (NUM_PS_STACK_ENTRIES((rdev->config.rv770.max_stack_entries * 1)/4) |
685 						     NUM_VS_STACK_ENTRIES((rdev->config.rv770.max_stack_entries * 1)/4)));
686 
687 	WREG32(SQ_STACK_RESOURCE_MGMT_2, (NUM_GS_STACK_ENTRIES((rdev->config.rv770.max_stack_entries * 1)/4) |
688 						     NUM_ES_STACK_ENTRIES((rdev->config.rv770.max_stack_entries * 1)/4)));
689 
690 	sq_dyn_gpr_size_simd_ab_0 = (SIMDA_RING0((rdev->config.rv770.max_gprs * 38)/64) |
691 				     SIMDA_RING1((rdev->config.rv770.max_gprs * 38)/64) |
692 				     SIMDB_RING0((rdev->config.rv770.max_gprs * 38)/64) |
693 				     SIMDB_RING1((rdev->config.rv770.max_gprs * 38)/64));
694 
695 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_0, sq_dyn_gpr_size_simd_ab_0);
696 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_1, sq_dyn_gpr_size_simd_ab_0);
697 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_2, sq_dyn_gpr_size_simd_ab_0);
698 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_3, sq_dyn_gpr_size_simd_ab_0);
699 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_4, sq_dyn_gpr_size_simd_ab_0);
700 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_5, sq_dyn_gpr_size_simd_ab_0);
701 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_6, sq_dyn_gpr_size_simd_ab_0);
702 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_7, sq_dyn_gpr_size_simd_ab_0);
703 
704 	WREG32(PA_SC_FORCE_EOV_MAX_CNTS, (FORCE_EOV_MAX_CLK_CNT(4095) |
705 					  FORCE_EOV_MAX_REZ_CNT(255)));
706 
707 	if (rdev->family == CHIP_RV710)
708 		WREG32(VGT_CACHE_INVALIDATION, (CACHE_INVALIDATION(TC_ONLY) |
709 						AUTO_INVLD_EN(ES_AND_GS_AUTO)));
710 	else
711 		WREG32(VGT_CACHE_INVALIDATION, (CACHE_INVALIDATION(VC_AND_TC) |
712 						AUTO_INVLD_EN(ES_AND_GS_AUTO)));
713 
714 	switch (rdev->family) {
715 	case CHIP_RV770:
716 	case CHIP_RV730:
717 	case CHIP_RV740:
718 		gs_prim_buffer_depth = 384;
719 		break;
720 	case CHIP_RV710:
721 		gs_prim_buffer_depth = 128;
722 		break;
723 	default:
724 		break;
725 	}
726 
727 	num_gs_verts_per_thread = rdev->config.rv770.max_pipes * 16;
728 	vgt_gs_per_es = gs_prim_buffer_depth + num_gs_verts_per_thread;
729 	/* Max value for this is 256 */
730 	if (vgt_gs_per_es > 256)
731 		vgt_gs_per_es = 256;
732 
733 	WREG32(VGT_ES_PER_GS, 128);
734 	WREG32(VGT_GS_PER_ES, vgt_gs_per_es);
735 	WREG32(VGT_GS_PER_VS, 2);
736 
737 	/* more default values. 2D/3D driver should adjust as needed */
738 	WREG32(VGT_GS_VERTEX_REUSE, 16);
739 	WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
740 	WREG32(VGT_STRMOUT_EN, 0);
741 	WREG32(SX_MISC, 0);
742 	WREG32(PA_SC_MODE_CNTL, 0);
743 	WREG32(PA_SC_EDGERULE, 0xaaaaaaaa);
744 	WREG32(PA_SC_AA_CONFIG, 0);
745 	WREG32(PA_SC_CLIPRECT_RULE, 0xffff);
746 	WREG32(PA_SC_LINE_STIPPLE, 0);
747 	WREG32(SPI_INPUT_Z, 0);
748 	WREG32(SPI_PS_IN_CONTROL_0, NUM_INTERP(2));
749 	WREG32(CB_COLOR7_FRAG, 0);
750 
751 	/* clear render buffer base addresses */
752 	WREG32(CB_COLOR0_BASE, 0);
753 	WREG32(CB_COLOR1_BASE, 0);
754 	WREG32(CB_COLOR2_BASE, 0);
755 	WREG32(CB_COLOR3_BASE, 0);
756 	WREG32(CB_COLOR4_BASE, 0);
757 	WREG32(CB_COLOR5_BASE, 0);
758 	WREG32(CB_COLOR6_BASE, 0);
759 	WREG32(CB_COLOR7_BASE, 0);
760 
761 	WREG32(TCP_CNTL, 0);
762 
763 	hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL);
764 	WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
765 
766 	WREG32(PA_SC_MULTI_CHIP_CNTL, 0);
767 
768 	WREG32(PA_CL_ENHANCE, (CLIP_VTX_REORDER_ENA |
769 					  NUM_CLIP_SEQ(3)));
770 
771 }
772 
773 int rv770_mc_init(struct radeon_device *rdev)
774 {
775 	fixed20_12 a;
776 	u32 tmp;
777 	int chansize, numchan;
778 	int r;
779 
780 	/* Get VRAM informations */
781 	rdev->mc.vram_is_ddr = true;
782 	tmp = RREG32(MC_ARB_RAMCFG);
783 	if (tmp & CHANSIZE_OVERRIDE) {
784 		chansize = 16;
785 	} else if (tmp & CHANSIZE_MASK) {
786 		chansize = 64;
787 	} else {
788 		chansize = 32;
789 	}
790 	tmp = RREG32(MC_SHARED_CHMAP);
791 	switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
792 	case 0:
793 	default:
794 		numchan = 1;
795 		break;
796 	case 1:
797 		numchan = 2;
798 		break;
799 	case 2:
800 		numchan = 4;
801 		break;
802 	case 3:
803 		numchan = 8;
804 		break;
805 	}
806 	rdev->mc.vram_width = numchan * chansize;
807 	/* Could aper size report 0 ? */
808 	rdev->mc.aper_base = drm_get_resource_start(rdev->ddev, 0);
809 	rdev->mc.aper_size = drm_get_resource_len(rdev->ddev, 0);
810 	/* Setup GPU memory space */
811 	rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE);
812 	rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE);
813 
814 	if (rdev->mc.mc_vram_size > rdev->mc.aper_size)
815 		rdev->mc.mc_vram_size = rdev->mc.aper_size;
816 
817 	if (rdev->mc.real_vram_size > rdev->mc.aper_size)
818 		rdev->mc.real_vram_size = rdev->mc.aper_size;
819 
820 	if (rdev->flags & RADEON_IS_AGP) {
821 		r = radeon_agp_init(rdev);
822 		if (r)
823 			return r;
824 		/* gtt_size is setup by radeon_agp_init */
825 		rdev->mc.gtt_location = rdev->mc.agp_base;
826 		tmp = 0xFFFFFFFFUL - rdev->mc.agp_base - rdev->mc.gtt_size;
827 		/* Try to put vram before or after AGP because we
828 		 * we want SYSTEM_APERTURE to cover both VRAM and
829 		 * AGP so that GPU can catch out of VRAM/AGP access
830 		 */
831 		if (rdev->mc.gtt_location > rdev->mc.mc_vram_size) {
832 			/* Enought place before */
833 			rdev->mc.vram_location = rdev->mc.gtt_location -
834 							rdev->mc.mc_vram_size;
835 		} else if (tmp > rdev->mc.mc_vram_size) {
836 			/* Enought place after */
837 			rdev->mc.vram_location = rdev->mc.gtt_location +
838 							rdev->mc.gtt_size;
839 		} else {
840 			/* Try to setup VRAM then AGP might not
841 			 * not work on some card
842 			 */
843 			rdev->mc.vram_location = 0x00000000UL;
844 			rdev->mc.gtt_location = rdev->mc.mc_vram_size;
845 		}
846 	} else {
847 		rdev->mc.vram_location = 0x00000000UL;
848 		rdev->mc.gtt_location = rdev->mc.mc_vram_size;
849 		rdev->mc.gtt_size = radeon_gart_size * 1024 * 1024;
850 	}
851 	rdev->mc.vram_start = rdev->mc.vram_location;
852 	rdev->mc.vram_end = rdev->mc.vram_location + rdev->mc.mc_vram_size - 1;
853 	rdev->mc.gtt_start = rdev->mc.gtt_location;
854 	rdev->mc.gtt_end = rdev->mc.gtt_location + rdev->mc.gtt_size - 1;
855 	/* FIXME: we should enforce default clock in case GPU is not in
856 	 * default setup
857 	 */
858 	a.full = rfixed_const(100);
859 	rdev->pm.sclk.full = rfixed_const(rdev->clock.default_sclk);
860 	rdev->pm.sclk.full = rfixed_div(rdev->pm.sclk, a);
861 	return 0;
862 }
863 int rv770_gpu_reset(struct radeon_device *rdev)
864 {
865 	/* FIXME: implement any rv770 specific bits */
866 	return r600_gpu_reset(rdev);
867 }
868 
869 static int rv770_startup(struct radeon_device *rdev)
870 {
871 	int r;
872 
873 	rv770_mc_program(rdev);
874 	if (rdev->flags & RADEON_IS_AGP) {
875 		rv770_agp_enable(rdev);
876 	} else {
877 		r = rv770_pcie_gart_enable(rdev);
878 		if (r)
879 			return r;
880 	}
881 	rv770_gpu_init(rdev);
882 
883 	r = radeon_object_pin(rdev->r600_blit.shader_obj, RADEON_GEM_DOMAIN_VRAM,
884 			      &rdev->r600_blit.shader_gpu_addr);
885 	if (r) {
886 		DRM_ERROR("failed to pin blit object %d\n", r);
887 		return r;
888 	}
889 
890 	r = radeon_ring_init(rdev, rdev->cp.ring_size);
891 	if (r)
892 		return r;
893 	r = rv770_cp_load_microcode(rdev);
894 	if (r)
895 		return r;
896 	r = r600_cp_resume(rdev);
897 	if (r)
898 		return r;
899 	/* write back buffer are not vital so don't worry about failure */
900 	r600_wb_enable(rdev);
901 	return 0;
902 }
903 
904 int rv770_resume(struct radeon_device *rdev)
905 {
906 	int r;
907 
908 	/* Do not reset GPU before posting, on rv770 hw unlike on r500 hw,
909 	 * posting will perform necessary task to bring back GPU into good
910 	 * shape.
911 	 */
912 	/* post card */
913 	atom_asic_init(rdev->mode_info.atom_context);
914 	/* Initialize clocks */
915 	r = radeon_clocks_init(rdev);
916 	if (r) {
917 		return r;
918 	}
919 
920 	r = rv770_startup(rdev);
921 	if (r) {
922 		DRM_ERROR("r600 startup failed on resume\n");
923 		return r;
924 	}
925 
926 	r = r600_ib_test(rdev);
927 	if (r) {
928 		DRM_ERROR("radeon: failled testing IB (%d).\n", r);
929 		return r;
930 	}
931 	return r;
932 
933 }
934 
935 int rv770_suspend(struct radeon_device *rdev)
936 {
937 	/* FIXME: we should wait for ring to be empty */
938 	r700_cp_stop(rdev);
939 	rdev->cp.ready = false;
940 	r600_wb_disable(rdev);
941 	rv770_pcie_gart_disable(rdev);
942 	/* unpin shaders bo */
943         radeon_object_unpin(rdev->r600_blit.shader_obj);
944 	return 0;
945 }
946 
947 /* Plan is to move initialization in that function and use
948  * helper function so that radeon_device_init pretty much
949  * do nothing more than calling asic specific function. This
950  * should also allow to remove a bunch of callback function
951  * like vram_info.
952  */
953 int rv770_init(struct radeon_device *rdev)
954 {
955 	int r;
956 
957 	r = radeon_dummy_page_init(rdev);
958 	if (r)
959 		return r;
960 	/* This don't do much */
961 	r = radeon_gem_init(rdev);
962 	if (r)
963 		return r;
964 	/* Read BIOS */
965 	if (!radeon_get_bios(rdev)) {
966 		if (ASIC_IS_AVIVO(rdev))
967 			return -EINVAL;
968 	}
969 	/* Must be an ATOMBIOS */
970 	if (!rdev->is_atom_bios) {
971 		dev_err(rdev->dev, "Expecting atombios for R600 GPU\n");
972 		return -EINVAL;
973 	}
974 	r = radeon_atombios_init(rdev);
975 	if (r)
976 		return r;
977 	/* Post card if necessary */
978 	if (!r600_card_posted(rdev) && rdev->bios) {
979 		DRM_INFO("GPU not posted. posting now...\n");
980 		atom_asic_init(rdev->mode_info.atom_context);
981 	}
982 	/* Initialize scratch registers */
983 	r600_scratch_init(rdev);
984 	/* Initialize surface registers */
985 	radeon_surface_init(rdev);
986 	/* Initialize clocks */
987 	radeon_get_clock_info(rdev->ddev);
988 	r = radeon_clocks_init(rdev);
989 	if (r)
990 		return r;
991 	/* Initialize power management */
992 	radeon_pm_init(rdev);
993 	/* Fence driver */
994 	r = radeon_fence_driver_init(rdev);
995 	if (r)
996 		return r;
997 	r = rv770_mc_init(rdev);
998 	if (r)
999 		return r;
1000 	/* Memory manager */
1001 	r = radeon_object_init(rdev);
1002 	if (r)
1003 		return r;
1004 	rdev->cp.ring_obj = NULL;
1005 	r600_ring_init(rdev, 1024 * 1024);
1006 
1007 	if (!rdev->me_fw || !rdev->pfp_fw) {
1008 		r = r600_cp_init_microcode(rdev);
1009 		if (r) {
1010 			DRM_ERROR("Failed to load firmware!\n");
1011 			return r;
1012 		}
1013 	}
1014 
1015 	r = r600_pcie_gart_init(rdev);
1016 	if (r)
1017 		return r;
1018 
1019 	rdev->accel_working = true;
1020 	r = r600_blit_init(rdev);
1021 	if (r) {
1022 		DRM_ERROR("radeon: failled blitter (%d).\n", r);
1023 		rdev->accel_working = false;
1024 	}
1025 
1026 	r = rv770_startup(rdev);
1027 	if (r) {
1028 		rv770_suspend(rdev);
1029 		r600_wb_fini(rdev);
1030 		radeon_ring_fini(rdev);
1031 		rv770_pcie_gart_fini(rdev);
1032 		rdev->accel_working = false;
1033 	}
1034 	if (rdev->accel_working) {
1035 		r = radeon_ib_pool_init(rdev);
1036 		if (r) {
1037 			DRM_ERROR("radeon: failled initializing IB pool (%d).\n", r);
1038 			rdev->accel_working = false;
1039 		}
1040 		r = r600_ib_test(rdev);
1041 		if (r) {
1042 			DRM_ERROR("radeon: failled testing IB (%d).\n", r);
1043 			rdev->accel_working = false;
1044 		}
1045 	}
1046 	return 0;
1047 }
1048 
1049 void rv770_fini(struct radeon_device *rdev)
1050 {
1051 	rv770_suspend(rdev);
1052 
1053 	r600_blit_fini(rdev);
1054 	radeon_ring_fini(rdev);
1055 	r600_wb_fini(rdev);
1056 	rv770_pcie_gart_fini(rdev);
1057 	radeon_gem_fini(rdev);
1058 	radeon_fence_driver_fini(rdev);
1059 	radeon_clocks_fini(rdev);
1060 	if (rdev->flags & RADEON_IS_AGP)
1061 		radeon_agp_fini(rdev);
1062 	radeon_object_fini(rdev);
1063 	radeon_atombios_fini(rdev);
1064 	kfree(rdev->bios);
1065 	rdev->bios = NULL;
1066 	radeon_dummy_page_fini(rdev);
1067 }
1068