xref: /openbmc/linux/drivers/gpu/drm/radeon/rv770.c (revision e8e0929d)
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 - 1) >> 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 /*
130  * MC
131  */
132 static void rv770_mc_resume(struct radeon_device *rdev)
133 {
134 	u32 d1vga_control, d2vga_control;
135 	u32 vga_render_control, vga_hdp_control;
136 	u32 d1crtc_control, d2crtc_control;
137 	u32 new_d1grph_primary, new_d1grph_secondary;
138 	u32 new_d2grph_primary, new_d2grph_secondary;
139 	u64 old_vram_start;
140 	u32 tmp;
141 	int i, j;
142 
143 	/* Initialize HDP */
144 	for (i = 0, j = 0; i < 32; i++, j += 0x18) {
145 		WREG32((0x2c14 + j), 0x00000000);
146 		WREG32((0x2c18 + j), 0x00000000);
147 		WREG32((0x2c1c + j), 0x00000000);
148 		WREG32((0x2c20 + j), 0x00000000);
149 		WREG32((0x2c24 + j), 0x00000000);
150 	}
151 	WREG32(HDP_REG_COHERENCY_FLUSH_CNTL, 0);
152 
153 	d1vga_control = RREG32(D1VGA_CONTROL);
154 	d2vga_control = RREG32(D2VGA_CONTROL);
155 	vga_render_control = RREG32(VGA_RENDER_CONTROL);
156 	vga_hdp_control = RREG32(VGA_HDP_CONTROL);
157 	d1crtc_control = RREG32(D1CRTC_CONTROL);
158 	d2crtc_control = RREG32(D2CRTC_CONTROL);
159 	old_vram_start = (u64)(RREG32(MC_VM_FB_LOCATION) & 0xFFFF) << 24;
160 	new_d1grph_primary = RREG32(D1GRPH_PRIMARY_SURFACE_ADDRESS);
161 	new_d1grph_secondary = RREG32(D1GRPH_SECONDARY_SURFACE_ADDRESS);
162 	new_d1grph_primary += rdev->mc.vram_start - old_vram_start;
163 	new_d1grph_secondary += rdev->mc.vram_start - old_vram_start;
164 	new_d2grph_primary = RREG32(D2GRPH_PRIMARY_SURFACE_ADDRESS);
165 	new_d2grph_secondary = RREG32(D2GRPH_SECONDARY_SURFACE_ADDRESS);
166 	new_d2grph_primary += rdev->mc.vram_start - old_vram_start;
167 	new_d2grph_secondary += rdev->mc.vram_start - old_vram_start;
168 
169 	/* Stop all video */
170 	WREG32(D1VGA_CONTROL, 0);
171 	WREG32(D2VGA_CONTROL, 0);
172 	WREG32(VGA_RENDER_CONTROL, 0);
173 	WREG32(D1CRTC_UPDATE_LOCK, 1);
174 	WREG32(D2CRTC_UPDATE_LOCK, 1);
175 	WREG32(D1CRTC_CONTROL, 0);
176 	WREG32(D2CRTC_CONTROL, 0);
177 	WREG32(D1CRTC_UPDATE_LOCK, 0);
178 	WREG32(D2CRTC_UPDATE_LOCK, 0);
179 
180 	mdelay(1);
181 	if (r600_mc_wait_for_idle(rdev)) {
182 		printk(KERN_WARNING "[drm] MC not idle !\n");
183 	}
184 
185 	/* Lockout access through VGA aperture*/
186 	WREG32(VGA_HDP_CONTROL, VGA_MEMORY_DISABLE);
187 
188 	/* Update configuration */
189 	WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR, rdev->mc.vram_start >> 12);
190 	WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR, (rdev->mc.vram_end - 1) >> 12);
191 	WREG32(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, 0);
192 	tmp = (((rdev->mc.vram_end - 1) >> 24) & 0xFFFF) << 16;
193 	tmp |= ((rdev->mc.vram_start >> 24) & 0xFFFF);
194 	WREG32(MC_VM_FB_LOCATION, tmp);
195 	WREG32(HDP_NONSURFACE_BASE, (rdev->mc.vram_start >> 8));
196 	WREG32(HDP_NONSURFACE_INFO, (2 << 7));
197 	WREG32(HDP_NONSURFACE_SIZE, (rdev->mc.mc_vram_size - 1) | 0x3FF);
198 	if (rdev->flags & RADEON_IS_AGP) {
199 		WREG32(MC_VM_AGP_TOP, (rdev->mc.gtt_end - 1) >> 16);
200 		WREG32(MC_VM_AGP_BOT, rdev->mc.gtt_start >> 16);
201 		WREG32(MC_VM_AGP_BASE, rdev->mc.agp_base >> 22);
202 	} else {
203 		WREG32(MC_VM_AGP_BASE, 0);
204 		WREG32(MC_VM_AGP_TOP, 0x0FFFFFFF);
205 		WREG32(MC_VM_AGP_BOT, 0x0FFFFFFF);
206 	}
207 	WREG32(D1GRPH_PRIMARY_SURFACE_ADDRESS, new_d1grph_primary);
208 	WREG32(D1GRPH_SECONDARY_SURFACE_ADDRESS, new_d1grph_secondary);
209 	WREG32(D2GRPH_PRIMARY_SURFACE_ADDRESS, new_d2grph_primary);
210 	WREG32(D2GRPH_SECONDARY_SURFACE_ADDRESS, new_d2grph_secondary);
211 	WREG32(VGA_MEMORY_BASE_ADDRESS, rdev->mc.vram_start);
212 
213 	/* Unlock host access */
214 	WREG32(VGA_HDP_CONTROL, vga_hdp_control);
215 
216 	mdelay(1);
217 	if (r600_mc_wait_for_idle(rdev)) {
218 		printk(KERN_WARNING "[drm] MC not idle !\n");
219 	}
220 
221 	/* Restore video state */
222 	WREG32(D1CRTC_UPDATE_LOCK, 1);
223 	WREG32(D2CRTC_UPDATE_LOCK, 1);
224 	WREG32(D1CRTC_CONTROL, d1crtc_control);
225 	WREG32(D2CRTC_CONTROL, d2crtc_control);
226 	WREG32(D1CRTC_UPDATE_LOCK, 0);
227 	WREG32(D2CRTC_UPDATE_LOCK, 0);
228 	WREG32(D1VGA_CONTROL, d1vga_control);
229 	WREG32(D2VGA_CONTROL, d2vga_control);
230 	WREG32(VGA_RENDER_CONTROL, vga_render_control);
231 
232 	/* we need to own VRAM, so turn off the VGA renderer here
233 	 * to stop it overwriting our objects */
234 	rv515_vga_render_disable(rdev);
235 }
236 
237 
238 /*
239  * CP.
240  */
241 void r700_cp_stop(struct radeon_device *rdev)
242 {
243 	WREG32(CP_ME_CNTL, (CP_ME_HALT | CP_PFP_HALT));
244 }
245 
246 
247 static int rv770_cp_load_microcode(struct radeon_device *rdev)
248 {
249 	const __be32 *fw_data;
250 	int i;
251 
252 	if (!rdev->me_fw || !rdev->pfp_fw)
253 		return -EINVAL;
254 
255 	r700_cp_stop(rdev);
256 	WREG32(CP_RB_CNTL, RB_NO_UPDATE | (15 << 8) | (3 << 0));
257 
258 	/* Reset cp */
259 	WREG32(GRBM_SOFT_RESET, SOFT_RESET_CP);
260 	RREG32(GRBM_SOFT_RESET);
261 	mdelay(15);
262 	WREG32(GRBM_SOFT_RESET, 0);
263 
264 	fw_data = (const __be32 *)rdev->pfp_fw->data;
265 	WREG32(CP_PFP_UCODE_ADDR, 0);
266 	for (i = 0; i < R700_PFP_UCODE_SIZE; i++)
267 		WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++));
268 	WREG32(CP_PFP_UCODE_ADDR, 0);
269 
270 	fw_data = (const __be32 *)rdev->me_fw->data;
271 	WREG32(CP_ME_RAM_WADDR, 0);
272 	for (i = 0; i < R700_PM4_UCODE_SIZE; i++)
273 		WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++));
274 
275 	WREG32(CP_PFP_UCODE_ADDR, 0);
276 	WREG32(CP_ME_RAM_WADDR, 0);
277 	WREG32(CP_ME_RAM_RADDR, 0);
278 	return 0;
279 }
280 
281 
282 /*
283  * Core functions
284  */
285 static u32 r700_get_tile_pipe_to_backend_map(u32 num_tile_pipes,
286 						u32 num_backends,
287 						u32 backend_disable_mask)
288 {
289 	u32 backend_map = 0;
290 	u32 enabled_backends_mask;
291 	u32 enabled_backends_count;
292 	u32 cur_pipe;
293 	u32 swizzle_pipe[R7XX_MAX_PIPES];
294 	u32 cur_backend;
295 	u32 i;
296 
297 	if (num_tile_pipes > R7XX_MAX_PIPES)
298 		num_tile_pipes = R7XX_MAX_PIPES;
299 	if (num_tile_pipes < 1)
300 		num_tile_pipes = 1;
301 	if (num_backends > R7XX_MAX_BACKENDS)
302 		num_backends = R7XX_MAX_BACKENDS;
303 	if (num_backends < 1)
304 		num_backends = 1;
305 
306 	enabled_backends_mask = 0;
307 	enabled_backends_count = 0;
308 	for (i = 0; i < R7XX_MAX_BACKENDS; ++i) {
309 		if (((backend_disable_mask >> i) & 1) == 0) {
310 			enabled_backends_mask |= (1 << i);
311 			++enabled_backends_count;
312 		}
313 		if (enabled_backends_count == num_backends)
314 			break;
315 	}
316 
317 	if (enabled_backends_count == 0) {
318 		enabled_backends_mask = 1;
319 		enabled_backends_count = 1;
320 	}
321 
322 	if (enabled_backends_count != num_backends)
323 		num_backends = enabled_backends_count;
324 
325 	memset((uint8_t *)&swizzle_pipe[0], 0, sizeof(u32) * R7XX_MAX_PIPES);
326 	switch (num_tile_pipes) {
327 	case 1:
328 		swizzle_pipe[0] = 0;
329 		break;
330 	case 2:
331 		swizzle_pipe[0] = 0;
332 		swizzle_pipe[1] = 1;
333 		break;
334 	case 3:
335 		swizzle_pipe[0] = 0;
336 		swizzle_pipe[1] = 2;
337 		swizzle_pipe[2] = 1;
338 		break;
339 	case 4:
340 		swizzle_pipe[0] = 0;
341 		swizzle_pipe[1] = 2;
342 		swizzle_pipe[2] = 3;
343 		swizzle_pipe[3] = 1;
344 		break;
345 	case 5:
346 		swizzle_pipe[0] = 0;
347 		swizzle_pipe[1] = 2;
348 		swizzle_pipe[2] = 4;
349 		swizzle_pipe[3] = 1;
350 		swizzle_pipe[4] = 3;
351 		break;
352 	case 6:
353 		swizzle_pipe[0] = 0;
354 		swizzle_pipe[1] = 2;
355 		swizzle_pipe[2] = 4;
356 		swizzle_pipe[3] = 5;
357 		swizzle_pipe[4] = 3;
358 		swizzle_pipe[5] = 1;
359 		break;
360 	case 7:
361 		swizzle_pipe[0] = 0;
362 		swizzle_pipe[1] = 2;
363 		swizzle_pipe[2] = 4;
364 		swizzle_pipe[3] = 6;
365 		swizzle_pipe[4] = 3;
366 		swizzle_pipe[5] = 1;
367 		swizzle_pipe[6] = 5;
368 		break;
369 	case 8:
370 		swizzle_pipe[0] = 0;
371 		swizzle_pipe[1] = 2;
372 		swizzle_pipe[2] = 4;
373 		swizzle_pipe[3] = 6;
374 		swizzle_pipe[4] = 3;
375 		swizzle_pipe[5] = 1;
376 		swizzle_pipe[6] = 7;
377 		swizzle_pipe[7] = 5;
378 		break;
379 	}
380 
381 	cur_backend = 0;
382 	for (cur_pipe = 0; cur_pipe < num_tile_pipes; ++cur_pipe) {
383 		while (((1 << cur_backend) & enabled_backends_mask) == 0)
384 			cur_backend = (cur_backend + 1) % R7XX_MAX_BACKENDS;
385 
386 		backend_map |= (u32)(((cur_backend & 3) << (swizzle_pipe[cur_pipe] * 2)));
387 
388 		cur_backend = (cur_backend + 1) % R7XX_MAX_BACKENDS;
389 	}
390 
391 	return backend_map;
392 }
393 
394 static void rv770_gpu_init(struct radeon_device *rdev)
395 {
396 	int i, j, num_qd_pipes;
397 	u32 sx_debug_1;
398 	u32 smx_dc_ctl0;
399 	u32 num_gs_verts_per_thread;
400 	u32 vgt_gs_per_es;
401 	u32 gs_prim_buffer_depth = 0;
402 	u32 sq_ms_fifo_sizes;
403 	u32 sq_config;
404 	u32 sq_thread_resource_mgmt;
405 	u32 hdp_host_path_cntl;
406 	u32 sq_dyn_gpr_size_simd_ab_0;
407 	u32 backend_map;
408 	u32 gb_tiling_config = 0;
409 	u32 cc_rb_backend_disable = 0;
410 	u32 cc_gc_shader_pipe_config = 0;
411 	u32 mc_arb_ramcfg;
412 	u32 db_debug4;
413 
414 	/* setup chip specs */
415 	switch (rdev->family) {
416 	case CHIP_RV770:
417 		rdev->config.rv770.max_pipes = 4;
418 		rdev->config.rv770.max_tile_pipes = 8;
419 		rdev->config.rv770.max_simds = 10;
420 		rdev->config.rv770.max_backends = 4;
421 		rdev->config.rv770.max_gprs = 256;
422 		rdev->config.rv770.max_threads = 248;
423 		rdev->config.rv770.max_stack_entries = 512;
424 		rdev->config.rv770.max_hw_contexts = 8;
425 		rdev->config.rv770.max_gs_threads = 16 * 2;
426 		rdev->config.rv770.sx_max_export_size = 128;
427 		rdev->config.rv770.sx_max_export_pos_size = 16;
428 		rdev->config.rv770.sx_max_export_smx_size = 112;
429 		rdev->config.rv770.sq_num_cf_insts = 2;
430 
431 		rdev->config.rv770.sx_num_of_sets = 7;
432 		rdev->config.rv770.sc_prim_fifo_size = 0xF9;
433 		rdev->config.rv770.sc_hiz_tile_fifo_size = 0x30;
434 		rdev->config.rv770.sc_earlyz_tile_fifo_fize = 0x130;
435 		break;
436 	case CHIP_RV730:
437 		rdev->config.rv770.max_pipes = 2;
438 		rdev->config.rv770.max_tile_pipes = 4;
439 		rdev->config.rv770.max_simds = 8;
440 		rdev->config.rv770.max_backends = 2;
441 		rdev->config.rv770.max_gprs = 128;
442 		rdev->config.rv770.max_threads = 248;
443 		rdev->config.rv770.max_stack_entries = 256;
444 		rdev->config.rv770.max_hw_contexts = 8;
445 		rdev->config.rv770.max_gs_threads = 16 * 2;
446 		rdev->config.rv770.sx_max_export_size = 256;
447 		rdev->config.rv770.sx_max_export_pos_size = 32;
448 		rdev->config.rv770.sx_max_export_smx_size = 224;
449 		rdev->config.rv770.sq_num_cf_insts = 2;
450 
451 		rdev->config.rv770.sx_num_of_sets = 7;
452 		rdev->config.rv770.sc_prim_fifo_size = 0xf9;
453 		rdev->config.rv770.sc_hiz_tile_fifo_size = 0x30;
454 		rdev->config.rv770.sc_earlyz_tile_fifo_fize = 0x130;
455 		if (rdev->config.rv770.sx_max_export_pos_size > 16) {
456 			rdev->config.rv770.sx_max_export_pos_size -= 16;
457 			rdev->config.rv770.sx_max_export_smx_size += 16;
458 		}
459 		break;
460 	case CHIP_RV710:
461 		rdev->config.rv770.max_pipes = 2;
462 		rdev->config.rv770.max_tile_pipes = 2;
463 		rdev->config.rv770.max_simds = 2;
464 		rdev->config.rv770.max_backends = 1;
465 		rdev->config.rv770.max_gprs = 256;
466 		rdev->config.rv770.max_threads = 192;
467 		rdev->config.rv770.max_stack_entries = 256;
468 		rdev->config.rv770.max_hw_contexts = 4;
469 		rdev->config.rv770.max_gs_threads = 8 * 2;
470 		rdev->config.rv770.sx_max_export_size = 128;
471 		rdev->config.rv770.sx_max_export_pos_size = 16;
472 		rdev->config.rv770.sx_max_export_smx_size = 112;
473 		rdev->config.rv770.sq_num_cf_insts = 1;
474 
475 		rdev->config.rv770.sx_num_of_sets = 7;
476 		rdev->config.rv770.sc_prim_fifo_size = 0x40;
477 		rdev->config.rv770.sc_hiz_tile_fifo_size = 0x30;
478 		rdev->config.rv770.sc_earlyz_tile_fifo_fize = 0x130;
479 		break;
480 	case CHIP_RV740:
481 		rdev->config.rv770.max_pipes = 4;
482 		rdev->config.rv770.max_tile_pipes = 4;
483 		rdev->config.rv770.max_simds = 8;
484 		rdev->config.rv770.max_backends = 4;
485 		rdev->config.rv770.max_gprs = 256;
486 		rdev->config.rv770.max_threads = 248;
487 		rdev->config.rv770.max_stack_entries = 512;
488 		rdev->config.rv770.max_hw_contexts = 8;
489 		rdev->config.rv770.max_gs_threads = 16 * 2;
490 		rdev->config.rv770.sx_max_export_size = 256;
491 		rdev->config.rv770.sx_max_export_pos_size = 32;
492 		rdev->config.rv770.sx_max_export_smx_size = 224;
493 		rdev->config.rv770.sq_num_cf_insts = 2;
494 
495 		rdev->config.rv770.sx_num_of_sets = 7;
496 		rdev->config.rv770.sc_prim_fifo_size = 0x100;
497 		rdev->config.rv770.sc_hiz_tile_fifo_size = 0x30;
498 		rdev->config.rv770.sc_earlyz_tile_fifo_fize = 0x130;
499 
500 		if (rdev->config.rv770.sx_max_export_pos_size > 16) {
501 			rdev->config.rv770.sx_max_export_pos_size -= 16;
502 			rdev->config.rv770.sx_max_export_smx_size += 16;
503 		}
504 		break;
505 	default:
506 		break;
507 	}
508 
509 	/* Initialize HDP */
510 	j = 0;
511 	for (i = 0; i < 32; i++) {
512 		WREG32((0x2c14 + j), 0x00000000);
513 		WREG32((0x2c18 + j), 0x00000000);
514 		WREG32((0x2c1c + j), 0x00000000);
515 		WREG32((0x2c20 + j), 0x00000000);
516 		WREG32((0x2c24 + j), 0x00000000);
517 		j += 0x18;
518 	}
519 
520 	WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
521 
522 	/* setup tiling, simd, pipe config */
523 	mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG);
524 
525 	switch (rdev->config.rv770.max_tile_pipes) {
526 	case 1:
527 		gb_tiling_config |= PIPE_TILING(0);
528 		break;
529 	case 2:
530 		gb_tiling_config |= PIPE_TILING(1);
531 		break;
532 	case 4:
533 		gb_tiling_config |= PIPE_TILING(2);
534 		break;
535 	case 8:
536 		gb_tiling_config |= PIPE_TILING(3);
537 		break;
538 	default:
539 		break;
540 	}
541 
542 	if (rdev->family == CHIP_RV770)
543 		gb_tiling_config |= BANK_TILING(1);
544 	else
545 		gb_tiling_config |= BANK_TILING((mc_arb_ramcfg & NOOFBANK_SHIFT) >> NOOFBANK_MASK);
546 
547 	gb_tiling_config |= GROUP_SIZE(0);
548 
549 	if (((mc_arb_ramcfg & NOOFROWS_MASK) & NOOFROWS_SHIFT) > 3) {
550 		gb_tiling_config |= ROW_TILING(3);
551 		gb_tiling_config |= SAMPLE_SPLIT(3);
552 	} else {
553 		gb_tiling_config |=
554 			ROW_TILING(((mc_arb_ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT));
555 		gb_tiling_config |=
556 			SAMPLE_SPLIT(((mc_arb_ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT));
557 	}
558 
559 	gb_tiling_config |= BANK_SWAPS(1);
560 
561 	backend_map = r700_get_tile_pipe_to_backend_map(rdev->config.rv770.max_tile_pipes,
562 							rdev->config.rv770.max_backends,
563 							(0xff << rdev->config.rv770.max_backends) & 0xff);
564 	gb_tiling_config |= BACKEND_MAP(backend_map);
565 
566 	cc_gc_shader_pipe_config =
567 		INACTIVE_QD_PIPES((R7XX_MAX_PIPES_MASK << rdev->config.rv770.max_pipes) & R7XX_MAX_PIPES_MASK);
568 	cc_gc_shader_pipe_config |=
569 		INACTIVE_SIMDS((R7XX_MAX_SIMDS_MASK << rdev->config.rv770.max_simds) & R7XX_MAX_SIMDS_MASK);
570 
571 	cc_rb_backend_disable =
572 		BACKEND_DISABLE((R7XX_MAX_BACKENDS_MASK << rdev->config.rv770.max_backends) & R7XX_MAX_BACKENDS_MASK);
573 
574 	WREG32(GB_TILING_CONFIG, gb_tiling_config);
575 	WREG32(DCP_TILING_CONFIG, (gb_tiling_config & 0xffff));
576 	WREG32(HDP_TILING_CONFIG, (gb_tiling_config & 0xffff));
577 
578 	WREG32(CC_RB_BACKEND_DISABLE,      cc_rb_backend_disable);
579 	WREG32(CC_GC_SHADER_PIPE_CONFIG,   cc_gc_shader_pipe_config);
580 	WREG32(GC_USER_SHADER_PIPE_CONFIG, cc_gc_shader_pipe_config);
581 
582 	WREG32(CC_SYS_RB_BACKEND_DISABLE, cc_rb_backend_disable);
583 	WREG32(CGTS_SYS_TCC_DISABLE, 0);
584 	WREG32(CGTS_TCC_DISABLE, 0);
585 	WREG32(CGTS_USER_SYS_TCC_DISABLE, 0);
586 	WREG32(CGTS_USER_TCC_DISABLE, 0);
587 
588 	num_qd_pipes =
589 		R7XX_MAX_BACKENDS - r600_count_pipe_bits(cc_gc_shader_pipe_config & INACTIVE_QD_PIPES_MASK);
590 	WREG32(VGT_OUT_DEALLOC_CNTL, (num_qd_pipes * 4) & DEALLOC_DIST_MASK);
591 	WREG32(VGT_VERTEX_REUSE_BLOCK_CNTL, ((num_qd_pipes * 4) - 2) & VTX_REUSE_DEPTH_MASK);
592 
593 	/* set HW defaults for 3D engine */
594 	WREG32(CP_QUEUE_THRESHOLDS, (ROQ_IB1_START(0x16) |
595 						ROQ_IB2_START(0x2b)));
596 
597 	WREG32(CP_MEQ_THRESHOLDS, STQ_SPLIT(0x30));
598 
599 	WREG32(TA_CNTL_AUX, (DISABLE_CUBE_ANISO |
600 					SYNC_GRADIENT |
601 					SYNC_WALKER |
602 					SYNC_ALIGNER));
603 
604 	sx_debug_1 = RREG32(SX_DEBUG_1);
605 	sx_debug_1 |= ENABLE_NEW_SMX_ADDRESS;
606 	WREG32(SX_DEBUG_1, sx_debug_1);
607 
608 	smx_dc_ctl0 = RREG32(SMX_DC_CTL0);
609 	smx_dc_ctl0 &= ~CACHE_DEPTH(0x1ff);
610 	smx_dc_ctl0 |= CACHE_DEPTH((rdev->config.rv770.sx_num_of_sets * 64) - 1);
611 	WREG32(SMX_DC_CTL0, smx_dc_ctl0);
612 
613 	WREG32(SMX_EVENT_CTL, (ES_FLUSH_CTL(4) |
614 					  GS_FLUSH_CTL(4) |
615 					  ACK_FLUSH_CTL(3) |
616 					  SYNC_FLUSH_CTL));
617 
618 	if (rdev->family == CHIP_RV770)
619 		WREG32(DB_DEBUG3, DB_CLK_OFF_DELAY(0x1f));
620 	else {
621 		db_debug4 = RREG32(DB_DEBUG4);
622 		db_debug4 |= DISABLE_TILE_COVERED_FOR_PS_ITER;
623 		WREG32(DB_DEBUG4, db_debug4);
624 	}
625 
626 	WREG32(SX_EXPORT_BUFFER_SIZES, (COLOR_BUFFER_SIZE((rdev->config.rv770.sx_max_export_size / 4) - 1) |
627 						   POSITION_BUFFER_SIZE((rdev->config.rv770.sx_max_export_pos_size / 4) - 1) |
628 						   SMX_BUFFER_SIZE((rdev->config.rv770.sx_max_export_smx_size / 4) - 1)));
629 
630 	WREG32(PA_SC_FIFO_SIZE, (SC_PRIM_FIFO_SIZE(rdev->config.rv770.sc_prim_fifo_size) |
631 						 SC_HIZ_TILE_FIFO_SIZE(rdev->config.rv770.sc_hiz_tile_fifo_size) |
632 						 SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.rv770.sc_earlyz_tile_fifo_fize)));
633 
634 	WREG32(PA_SC_MULTI_CHIP_CNTL, 0);
635 
636 	WREG32(VGT_NUM_INSTANCES, 1);
637 
638 	WREG32(SPI_CONFIG_CNTL, GPR_WRITE_PRIORITY(0));
639 
640 	WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(4));
641 
642 	WREG32(CP_PERFMON_CNTL, 0);
643 
644 	sq_ms_fifo_sizes = (CACHE_FIFO_SIZE(16 * rdev->config.rv770.sq_num_cf_insts) |
645 			    DONE_FIFO_HIWATER(0xe0) |
646 			    ALU_UPDATE_FIFO_HIWATER(0x8));
647 	switch (rdev->family) {
648 	case CHIP_RV770:
649 		sq_ms_fifo_sizes |= FETCH_FIFO_HIWATER(0x1);
650 		break;
651 	case CHIP_RV730:
652 	case CHIP_RV710:
653 	case CHIP_RV740:
654 	default:
655 		sq_ms_fifo_sizes |= FETCH_FIFO_HIWATER(0x4);
656 		break;
657 	}
658 	WREG32(SQ_MS_FIFO_SIZES, sq_ms_fifo_sizes);
659 
660 	/* SQ_CONFIG, SQ_GPR_RESOURCE_MGMT, SQ_THREAD_RESOURCE_MGMT, SQ_STACK_RESOURCE_MGMT
661 	 * should be adjusted as needed by the 2D/3D drivers.  This just sets default values
662 	 */
663 	sq_config = RREG32(SQ_CONFIG);
664 	sq_config &= ~(PS_PRIO(3) |
665 		       VS_PRIO(3) |
666 		       GS_PRIO(3) |
667 		       ES_PRIO(3));
668 	sq_config |= (DX9_CONSTS |
669 		      VC_ENABLE |
670 		      EXPORT_SRC_C |
671 		      PS_PRIO(0) |
672 		      VS_PRIO(1) |
673 		      GS_PRIO(2) |
674 		      ES_PRIO(3));
675 	if (rdev->family == CHIP_RV710)
676 		/* no vertex cache */
677 		sq_config &= ~VC_ENABLE;
678 
679 	WREG32(SQ_CONFIG, sq_config);
680 
681 	WREG32(SQ_GPR_RESOURCE_MGMT_1,  (NUM_PS_GPRS((rdev->config.rv770.max_gprs * 24)/64) |
682 					 NUM_VS_GPRS((rdev->config.rv770.max_gprs * 24)/64) |
683 					 NUM_CLAUSE_TEMP_GPRS(((rdev->config.rv770.max_gprs * 24)/64)/2)));
684 
685 	WREG32(SQ_GPR_RESOURCE_MGMT_2,  (NUM_GS_GPRS((rdev->config.rv770.max_gprs * 7)/64) |
686 					 NUM_ES_GPRS((rdev->config.rv770.max_gprs * 7)/64)));
687 
688 	sq_thread_resource_mgmt = (NUM_PS_THREADS((rdev->config.rv770.max_threads * 4)/8) |
689 				   NUM_VS_THREADS((rdev->config.rv770.max_threads * 2)/8) |
690 				   NUM_ES_THREADS((rdev->config.rv770.max_threads * 1)/8));
691 	if (((rdev->config.rv770.max_threads * 1) / 8) > rdev->config.rv770.max_gs_threads)
692 		sq_thread_resource_mgmt |= NUM_GS_THREADS(rdev->config.rv770.max_gs_threads);
693 	else
694 		sq_thread_resource_mgmt |= NUM_GS_THREADS((rdev->config.rv770.max_gs_threads * 1)/8);
695 	WREG32(SQ_THREAD_RESOURCE_MGMT, sq_thread_resource_mgmt);
696 
697 	WREG32(SQ_STACK_RESOURCE_MGMT_1, (NUM_PS_STACK_ENTRIES((rdev->config.rv770.max_stack_entries * 1)/4) |
698 						     NUM_VS_STACK_ENTRIES((rdev->config.rv770.max_stack_entries * 1)/4)));
699 
700 	WREG32(SQ_STACK_RESOURCE_MGMT_2, (NUM_GS_STACK_ENTRIES((rdev->config.rv770.max_stack_entries * 1)/4) |
701 						     NUM_ES_STACK_ENTRIES((rdev->config.rv770.max_stack_entries * 1)/4)));
702 
703 	sq_dyn_gpr_size_simd_ab_0 = (SIMDA_RING0((rdev->config.rv770.max_gprs * 38)/64) |
704 				     SIMDA_RING1((rdev->config.rv770.max_gprs * 38)/64) |
705 				     SIMDB_RING0((rdev->config.rv770.max_gprs * 38)/64) |
706 				     SIMDB_RING1((rdev->config.rv770.max_gprs * 38)/64));
707 
708 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_0, sq_dyn_gpr_size_simd_ab_0);
709 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_1, sq_dyn_gpr_size_simd_ab_0);
710 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_2, sq_dyn_gpr_size_simd_ab_0);
711 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_3, sq_dyn_gpr_size_simd_ab_0);
712 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_4, sq_dyn_gpr_size_simd_ab_0);
713 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_5, sq_dyn_gpr_size_simd_ab_0);
714 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_6, sq_dyn_gpr_size_simd_ab_0);
715 	WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_7, sq_dyn_gpr_size_simd_ab_0);
716 
717 	WREG32(PA_SC_FORCE_EOV_MAX_CNTS, (FORCE_EOV_MAX_CLK_CNT(4095) |
718 					  FORCE_EOV_MAX_REZ_CNT(255)));
719 
720 	if (rdev->family == CHIP_RV710)
721 		WREG32(VGT_CACHE_INVALIDATION, (CACHE_INVALIDATION(TC_ONLY) |
722 						AUTO_INVLD_EN(ES_AND_GS_AUTO)));
723 	else
724 		WREG32(VGT_CACHE_INVALIDATION, (CACHE_INVALIDATION(VC_AND_TC) |
725 						AUTO_INVLD_EN(ES_AND_GS_AUTO)));
726 
727 	switch (rdev->family) {
728 	case CHIP_RV770:
729 	case CHIP_RV730:
730 	case CHIP_RV740:
731 		gs_prim_buffer_depth = 384;
732 		break;
733 	case CHIP_RV710:
734 		gs_prim_buffer_depth = 128;
735 		break;
736 	default:
737 		break;
738 	}
739 
740 	num_gs_verts_per_thread = rdev->config.rv770.max_pipes * 16;
741 	vgt_gs_per_es = gs_prim_buffer_depth + num_gs_verts_per_thread;
742 	/* Max value for this is 256 */
743 	if (vgt_gs_per_es > 256)
744 		vgt_gs_per_es = 256;
745 
746 	WREG32(VGT_ES_PER_GS, 128);
747 	WREG32(VGT_GS_PER_ES, vgt_gs_per_es);
748 	WREG32(VGT_GS_PER_VS, 2);
749 
750 	/* more default values. 2D/3D driver should adjust as needed */
751 	WREG32(VGT_GS_VERTEX_REUSE, 16);
752 	WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
753 	WREG32(VGT_STRMOUT_EN, 0);
754 	WREG32(SX_MISC, 0);
755 	WREG32(PA_SC_MODE_CNTL, 0);
756 	WREG32(PA_SC_EDGERULE, 0xaaaaaaaa);
757 	WREG32(PA_SC_AA_CONFIG, 0);
758 	WREG32(PA_SC_CLIPRECT_RULE, 0xffff);
759 	WREG32(PA_SC_LINE_STIPPLE, 0);
760 	WREG32(SPI_INPUT_Z, 0);
761 	WREG32(SPI_PS_IN_CONTROL_0, NUM_INTERP(2));
762 	WREG32(CB_COLOR7_FRAG, 0);
763 
764 	/* clear render buffer base addresses */
765 	WREG32(CB_COLOR0_BASE, 0);
766 	WREG32(CB_COLOR1_BASE, 0);
767 	WREG32(CB_COLOR2_BASE, 0);
768 	WREG32(CB_COLOR3_BASE, 0);
769 	WREG32(CB_COLOR4_BASE, 0);
770 	WREG32(CB_COLOR5_BASE, 0);
771 	WREG32(CB_COLOR6_BASE, 0);
772 	WREG32(CB_COLOR7_BASE, 0);
773 
774 	WREG32(TCP_CNTL, 0);
775 
776 	hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL);
777 	WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
778 
779 	WREG32(PA_SC_MULTI_CHIP_CNTL, 0);
780 
781 	WREG32(PA_CL_ENHANCE, (CLIP_VTX_REORDER_ENA |
782 					  NUM_CLIP_SEQ(3)));
783 
784 }
785 
786 int rv770_mc_init(struct radeon_device *rdev)
787 {
788 	fixed20_12 a;
789 	u32 tmp;
790 	int r;
791 
792 	/* Get VRAM informations */
793 	/* FIXME: Don't know how to determine vram width, need to check
794 	 * vram_width usage
795 	 */
796 	rdev->mc.vram_width = 128;
797 	rdev->mc.vram_is_ddr = true;
798 	/* Could aper size report 0 ? */
799 	rdev->mc.aper_base = drm_get_resource_start(rdev->ddev, 0);
800 	rdev->mc.aper_size = drm_get_resource_len(rdev->ddev, 0);
801 	/* Setup GPU memory space */
802 	rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE);
803 	rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE);
804 
805 	if (rdev->mc.mc_vram_size > rdev->mc.aper_size)
806 		rdev->mc.mc_vram_size = rdev->mc.aper_size;
807 
808 	if (rdev->mc.real_vram_size > rdev->mc.aper_size)
809 		rdev->mc.real_vram_size = rdev->mc.aper_size;
810 
811 	if (rdev->flags & RADEON_IS_AGP) {
812 		r = radeon_agp_init(rdev);
813 		if (r)
814 			return r;
815 		/* gtt_size is setup by radeon_agp_init */
816 		rdev->mc.gtt_location = rdev->mc.agp_base;
817 		tmp = 0xFFFFFFFFUL - rdev->mc.agp_base - rdev->mc.gtt_size;
818 		/* Try to put vram before or after AGP because we
819 		 * we want SYSTEM_APERTURE to cover both VRAM and
820 		 * AGP so that GPU can catch out of VRAM/AGP access
821 		 */
822 		if (rdev->mc.gtt_location > rdev->mc.mc_vram_size) {
823 			/* Enought place before */
824 			rdev->mc.vram_location = rdev->mc.gtt_location -
825 							rdev->mc.mc_vram_size;
826 		} else if (tmp > rdev->mc.mc_vram_size) {
827 			/* Enought place after */
828 			rdev->mc.vram_location = rdev->mc.gtt_location +
829 							rdev->mc.gtt_size;
830 		} else {
831 			/* Try to setup VRAM then AGP might not
832 			 * not work on some card
833 			 */
834 			rdev->mc.vram_location = 0x00000000UL;
835 			rdev->mc.gtt_location = rdev->mc.mc_vram_size;
836 		}
837 	} else {
838 		rdev->mc.vram_location = 0x00000000UL;
839 		rdev->mc.gtt_location = rdev->mc.mc_vram_size;
840 		rdev->mc.gtt_size = radeon_gart_size * 1024 * 1024;
841 	}
842 	rdev->mc.vram_start = rdev->mc.vram_location;
843 	rdev->mc.vram_end = rdev->mc.vram_location + rdev->mc.mc_vram_size;
844 	rdev->mc.gtt_start = rdev->mc.gtt_location;
845 	rdev->mc.gtt_end = rdev->mc.gtt_location + rdev->mc.gtt_size;
846 	/* FIXME: we should enforce default clock in case GPU is not in
847 	 * default setup
848 	 */
849 	a.full = rfixed_const(100);
850 	rdev->pm.sclk.full = rfixed_const(rdev->clock.default_sclk);
851 	rdev->pm.sclk.full = rfixed_div(rdev->pm.sclk, a);
852 	return 0;
853 }
854 int rv770_gpu_reset(struct radeon_device *rdev)
855 {
856 	/* FIXME: implement any rv770 specific bits */
857 	return r600_gpu_reset(rdev);
858 }
859 
860 static int rv770_startup(struct radeon_device *rdev)
861 {
862 	int r;
863 
864 	radeon_gpu_reset(rdev);
865 	rv770_mc_resume(rdev);
866 	r = rv770_pcie_gart_enable(rdev);
867 	if (r)
868 		return r;
869 	rv770_gpu_init(rdev);
870 
871 	r = radeon_object_pin(rdev->r600_blit.shader_obj, RADEON_GEM_DOMAIN_VRAM,
872 			      &rdev->r600_blit.shader_gpu_addr);
873 	if (r) {
874 		DRM_ERROR("failed to pin blit object %d\n", r);
875 		return r;
876 	}
877 
878 	r = radeon_ring_init(rdev, rdev->cp.ring_size);
879 	if (r)
880 		return r;
881 	r = rv770_cp_load_microcode(rdev);
882 	if (r)
883 		return r;
884 	r = r600_cp_resume(rdev);
885 	if (r)
886 		return r;
887 	r = r600_wb_init(rdev);
888 	if (r)
889 		return r;
890 	return 0;
891 }
892 
893 int rv770_resume(struct radeon_device *rdev)
894 {
895 	int r;
896 
897 	if (radeon_gpu_reset(rdev)) {
898 		/* FIXME: what do we want to do here ? */
899 	}
900 	/* post card */
901 	if (rdev->is_atom_bios) {
902 		atom_asic_init(rdev->mode_info.atom_context);
903 	} else {
904 		radeon_combios_asic_init(rdev->ddev);
905 	}
906 	/* Initialize clocks */
907 	r = radeon_clocks_init(rdev);
908 	if (r) {
909 		return r;
910 	}
911 
912 	r = rv770_startup(rdev);
913 	if (r) {
914 		DRM_ERROR("r600 startup failed on resume\n");
915 		return r;
916 	}
917 
918 	r = radeon_ib_test(rdev);
919 	if (r) {
920 		DRM_ERROR("radeon: failled testing IB (%d).\n", r);
921 		return r;
922 	}
923 	return r;
924 
925 }
926 
927 int rv770_suspend(struct radeon_device *rdev)
928 {
929 	/* FIXME: we should wait for ring to be empty */
930 	r700_cp_stop(rdev);
931 	rdev->cp.ready = false;
932 	rv770_pcie_gart_disable(rdev);
933 
934 	/* unpin shaders bo */
935         radeon_object_unpin(rdev->r600_blit.shader_obj);
936 	return 0;
937 }
938 
939 /* Plan is to move initialization in that function and use
940  * helper function so that radeon_device_init pretty much
941  * do nothing more than calling asic specific function. This
942  * should also allow to remove a bunch of callback function
943  * like vram_info.
944  */
945 int rv770_init(struct radeon_device *rdev)
946 {
947 	int r;
948 
949 	rdev->new_init_path = true;
950 	r = radeon_dummy_page_init(rdev);
951 	if (r)
952 		return r;
953 	/* This don't do much */
954 	r = radeon_gem_init(rdev);
955 	if (r)
956 		return r;
957 	/* Read BIOS */
958 	if (!radeon_get_bios(rdev)) {
959 		if (ASIC_IS_AVIVO(rdev))
960 			return -EINVAL;
961 	}
962 	/* Must be an ATOMBIOS */
963 	if (!rdev->is_atom_bios)
964 		return -EINVAL;
965 	r = radeon_atombios_init(rdev);
966 	if (r)
967 		return r;
968 	/* Post card if necessary */
969 	if (!r600_card_posted(rdev) && rdev->bios) {
970 		DRM_INFO("GPU not posted. posting now...\n");
971 		atom_asic_init(rdev->mode_info.atom_context);
972 	}
973 	/* Initialize scratch registers */
974 	r600_scratch_init(rdev);
975 	/* Initialize surface registers */
976 	radeon_surface_init(rdev);
977 	radeon_get_clock_info(rdev->ddev);
978 	r = radeon_clocks_init(rdev);
979 	if (r)
980 		return r;
981 	/* Fence driver */
982 	r = radeon_fence_driver_init(rdev);
983 	if (r)
984 		return r;
985 	r = rv770_mc_init(rdev);
986 	if (r) {
987 		if (rdev->flags & RADEON_IS_AGP) {
988 			/* Retry with disabling AGP */
989 			rv770_fini(rdev);
990 			rdev->flags &= ~RADEON_IS_AGP;
991 			return rv770_init(rdev);
992 		}
993 		return r;
994 	}
995 	/* Memory manager */
996 	r = radeon_object_init(rdev);
997 	if (r)
998 		return r;
999 	rdev->cp.ring_obj = NULL;
1000 	r600_ring_init(rdev, 1024 * 1024);
1001 
1002 	if (!rdev->me_fw || !rdev->pfp_fw) {
1003 		r = r600_cp_init_microcode(rdev);
1004 		if (r) {
1005 			DRM_ERROR("Failed to load firmware!\n");
1006 			return r;
1007 		}
1008 	}
1009 
1010 	r = r600_pcie_gart_init(rdev);
1011 	if (r)
1012 		return r;
1013 
1014 	rdev->accel_working = true;
1015 	r = r600_blit_init(rdev);
1016 	if (r) {
1017 		DRM_ERROR("radeon: failled blitter (%d).\n", r);
1018 		rdev->accel_working = false;
1019 	}
1020 
1021 	r = rv770_startup(rdev);
1022 	if (r) {
1023 		if (rdev->flags & RADEON_IS_AGP) {
1024 			/* Retry with disabling AGP */
1025 			rv770_fini(rdev);
1026 			rdev->flags &= ~RADEON_IS_AGP;
1027 			return rv770_init(rdev);
1028 		}
1029 		rdev->accel_working = false;
1030 	}
1031 	if (rdev->accel_working) {
1032 		r = radeon_ib_pool_init(rdev);
1033 		if (r) {
1034 			DRM_ERROR("radeon: failled initializing IB pool (%d).\n", r);
1035 			rdev->accel_working = false;
1036 		}
1037 		r = radeon_ib_test(rdev);
1038 		if (r) {
1039 			DRM_ERROR("radeon: failled testing IB (%d).\n", r);
1040 			rdev->accel_working = false;
1041 		}
1042 	}
1043 	return 0;
1044 }
1045 
1046 void rv770_fini(struct radeon_device *rdev)
1047 {
1048 	rv770_suspend(rdev);
1049 
1050 	r600_blit_fini(rdev);
1051 	radeon_ring_fini(rdev);
1052 	rv770_pcie_gart_fini(rdev);
1053 	radeon_gem_fini(rdev);
1054 	radeon_fence_driver_fini(rdev);
1055 	radeon_clocks_fini(rdev);
1056 #if __OS_HAS_AGP
1057 	if (rdev->flags & RADEON_IS_AGP)
1058 		radeon_agp_fini(rdev);
1059 #endif
1060 	radeon_object_fini(rdev);
1061 	if (rdev->is_atom_bios) {
1062 		radeon_atombios_fini(rdev);
1063 	} else {
1064 		radeon_combios_fini(rdev);
1065 	}
1066 	kfree(rdev->bios);
1067 	rdev->bios = NULL;
1068 	radeon_dummy_page_fini(rdev);
1069 }
1070