xref: /openbmc/linux/drivers/gpu/drm/radeon/ni.c (revision 2a6f1abb)
1 /*
2  * Copyright 2010 Advanced Micro Devices, Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  *
22  * Authors: Alex Deucher
23  */
24 #include <linux/firmware.h>
25 #include <linux/platform_device.h>
26 #include <linux/slab.h>
27 #include <linux/module.h>
28 #include "drmP.h"
29 #include "radeon.h"
30 #include "radeon_asic.h"
31 #include "radeon_drm.h"
32 #include "nid.h"
33 #include "atom.h"
34 #include "ni_reg.h"
35 #include "cayman_blit_shaders.h"
36 
37 extern void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *save);
38 extern void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *save);
39 extern int evergreen_mc_wait_for_idle(struct radeon_device *rdev);
40 extern void evergreen_mc_program(struct radeon_device *rdev);
41 extern void evergreen_irq_suspend(struct radeon_device *rdev);
42 extern int evergreen_mc_init(struct radeon_device *rdev);
43 extern void evergreen_fix_pci_max_read_req_size(struct radeon_device *rdev);
44 extern void evergreen_pcie_gen2_enable(struct radeon_device *rdev);
45 extern void si_rlc_fini(struct radeon_device *rdev);
46 extern int si_rlc_init(struct radeon_device *rdev);
47 
48 #define EVERGREEN_PFP_UCODE_SIZE 1120
49 #define EVERGREEN_PM4_UCODE_SIZE 1376
50 #define EVERGREEN_RLC_UCODE_SIZE 768
51 #define BTC_MC_UCODE_SIZE 6024
52 
53 #define CAYMAN_PFP_UCODE_SIZE 2176
54 #define CAYMAN_PM4_UCODE_SIZE 2176
55 #define CAYMAN_RLC_UCODE_SIZE 1024
56 #define CAYMAN_MC_UCODE_SIZE 6037
57 
58 #define ARUBA_RLC_UCODE_SIZE 1536
59 
60 /* Firmware Names */
61 MODULE_FIRMWARE("radeon/BARTS_pfp.bin");
62 MODULE_FIRMWARE("radeon/BARTS_me.bin");
63 MODULE_FIRMWARE("radeon/BARTS_mc.bin");
64 MODULE_FIRMWARE("radeon/BTC_rlc.bin");
65 MODULE_FIRMWARE("radeon/TURKS_pfp.bin");
66 MODULE_FIRMWARE("radeon/TURKS_me.bin");
67 MODULE_FIRMWARE("radeon/TURKS_mc.bin");
68 MODULE_FIRMWARE("radeon/CAICOS_pfp.bin");
69 MODULE_FIRMWARE("radeon/CAICOS_me.bin");
70 MODULE_FIRMWARE("radeon/CAICOS_mc.bin");
71 MODULE_FIRMWARE("radeon/CAYMAN_pfp.bin");
72 MODULE_FIRMWARE("radeon/CAYMAN_me.bin");
73 MODULE_FIRMWARE("radeon/CAYMAN_mc.bin");
74 MODULE_FIRMWARE("radeon/CAYMAN_rlc.bin");
75 MODULE_FIRMWARE("radeon/ARUBA_pfp.bin");
76 MODULE_FIRMWARE("radeon/ARUBA_me.bin");
77 MODULE_FIRMWARE("radeon/ARUBA_rlc.bin");
78 
79 #define BTC_IO_MC_REGS_SIZE 29
80 
81 static const u32 barts_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
82 	{0x00000077, 0xff010100},
83 	{0x00000078, 0x00000000},
84 	{0x00000079, 0x00001434},
85 	{0x0000007a, 0xcc08ec08},
86 	{0x0000007b, 0x00040000},
87 	{0x0000007c, 0x000080c0},
88 	{0x0000007d, 0x09000000},
89 	{0x0000007e, 0x00210404},
90 	{0x00000081, 0x08a8e800},
91 	{0x00000082, 0x00030444},
92 	{0x00000083, 0x00000000},
93 	{0x00000085, 0x00000001},
94 	{0x00000086, 0x00000002},
95 	{0x00000087, 0x48490000},
96 	{0x00000088, 0x20244647},
97 	{0x00000089, 0x00000005},
98 	{0x0000008b, 0x66030000},
99 	{0x0000008c, 0x00006603},
100 	{0x0000008d, 0x00000100},
101 	{0x0000008f, 0x00001c0a},
102 	{0x00000090, 0xff000001},
103 	{0x00000094, 0x00101101},
104 	{0x00000095, 0x00000fff},
105 	{0x00000096, 0x00116fff},
106 	{0x00000097, 0x60010000},
107 	{0x00000098, 0x10010000},
108 	{0x00000099, 0x00006000},
109 	{0x0000009a, 0x00001000},
110 	{0x0000009f, 0x00946a00}
111 };
112 
113 static const u32 turks_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
114 	{0x00000077, 0xff010100},
115 	{0x00000078, 0x00000000},
116 	{0x00000079, 0x00001434},
117 	{0x0000007a, 0xcc08ec08},
118 	{0x0000007b, 0x00040000},
119 	{0x0000007c, 0x000080c0},
120 	{0x0000007d, 0x09000000},
121 	{0x0000007e, 0x00210404},
122 	{0x00000081, 0x08a8e800},
123 	{0x00000082, 0x00030444},
124 	{0x00000083, 0x00000000},
125 	{0x00000085, 0x00000001},
126 	{0x00000086, 0x00000002},
127 	{0x00000087, 0x48490000},
128 	{0x00000088, 0x20244647},
129 	{0x00000089, 0x00000005},
130 	{0x0000008b, 0x66030000},
131 	{0x0000008c, 0x00006603},
132 	{0x0000008d, 0x00000100},
133 	{0x0000008f, 0x00001c0a},
134 	{0x00000090, 0xff000001},
135 	{0x00000094, 0x00101101},
136 	{0x00000095, 0x00000fff},
137 	{0x00000096, 0x00116fff},
138 	{0x00000097, 0x60010000},
139 	{0x00000098, 0x10010000},
140 	{0x00000099, 0x00006000},
141 	{0x0000009a, 0x00001000},
142 	{0x0000009f, 0x00936a00}
143 };
144 
145 static const u32 caicos_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
146 	{0x00000077, 0xff010100},
147 	{0x00000078, 0x00000000},
148 	{0x00000079, 0x00001434},
149 	{0x0000007a, 0xcc08ec08},
150 	{0x0000007b, 0x00040000},
151 	{0x0000007c, 0x000080c0},
152 	{0x0000007d, 0x09000000},
153 	{0x0000007e, 0x00210404},
154 	{0x00000081, 0x08a8e800},
155 	{0x00000082, 0x00030444},
156 	{0x00000083, 0x00000000},
157 	{0x00000085, 0x00000001},
158 	{0x00000086, 0x00000002},
159 	{0x00000087, 0x48490000},
160 	{0x00000088, 0x20244647},
161 	{0x00000089, 0x00000005},
162 	{0x0000008b, 0x66030000},
163 	{0x0000008c, 0x00006603},
164 	{0x0000008d, 0x00000100},
165 	{0x0000008f, 0x00001c0a},
166 	{0x00000090, 0xff000001},
167 	{0x00000094, 0x00101101},
168 	{0x00000095, 0x00000fff},
169 	{0x00000096, 0x00116fff},
170 	{0x00000097, 0x60010000},
171 	{0x00000098, 0x10010000},
172 	{0x00000099, 0x00006000},
173 	{0x0000009a, 0x00001000},
174 	{0x0000009f, 0x00916a00}
175 };
176 
177 static const u32 cayman_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
178 	{0x00000077, 0xff010100},
179 	{0x00000078, 0x00000000},
180 	{0x00000079, 0x00001434},
181 	{0x0000007a, 0xcc08ec08},
182 	{0x0000007b, 0x00040000},
183 	{0x0000007c, 0x000080c0},
184 	{0x0000007d, 0x09000000},
185 	{0x0000007e, 0x00210404},
186 	{0x00000081, 0x08a8e800},
187 	{0x00000082, 0x00030444},
188 	{0x00000083, 0x00000000},
189 	{0x00000085, 0x00000001},
190 	{0x00000086, 0x00000002},
191 	{0x00000087, 0x48490000},
192 	{0x00000088, 0x20244647},
193 	{0x00000089, 0x00000005},
194 	{0x0000008b, 0x66030000},
195 	{0x0000008c, 0x00006603},
196 	{0x0000008d, 0x00000100},
197 	{0x0000008f, 0x00001c0a},
198 	{0x00000090, 0xff000001},
199 	{0x00000094, 0x00101101},
200 	{0x00000095, 0x00000fff},
201 	{0x00000096, 0x00116fff},
202 	{0x00000097, 0x60010000},
203 	{0x00000098, 0x10010000},
204 	{0x00000099, 0x00006000},
205 	{0x0000009a, 0x00001000},
206 	{0x0000009f, 0x00976b00}
207 };
208 
209 int ni_mc_load_microcode(struct radeon_device *rdev)
210 {
211 	const __be32 *fw_data;
212 	u32 mem_type, running, blackout = 0;
213 	u32 *io_mc_regs;
214 	int i, ucode_size, regs_size;
215 
216 	if (!rdev->mc_fw)
217 		return -EINVAL;
218 
219 	switch (rdev->family) {
220 	case CHIP_BARTS:
221 		io_mc_regs = (u32 *)&barts_io_mc_regs;
222 		ucode_size = BTC_MC_UCODE_SIZE;
223 		regs_size = BTC_IO_MC_REGS_SIZE;
224 		break;
225 	case CHIP_TURKS:
226 		io_mc_regs = (u32 *)&turks_io_mc_regs;
227 		ucode_size = BTC_MC_UCODE_SIZE;
228 		regs_size = BTC_IO_MC_REGS_SIZE;
229 		break;
230 	case CHIP_CAICOS:
231 	default:
232 		io_mc_regs = (u32 *)&caicos_io_mc_regs;
233 		ucode_size = BTC_MC_UCODE_SIZE;
234 		regs_size = BTC_IO_MC_REGS_SIZE;
235 		break;
236 	case CHIP_CAYMAN:
237 		io_mc_regs = (u32 *)&cayman_io_mc_regs;
238 		ucode_size = CAYMAN_MC_UCODE_SIZE;
239 		regs_size = BTC_IO_MC_REGS_SIZE;
240 		break;
241 	}
242 
243 	mem_type = (RREG32(MC_SEQ_MISC0) & MC_SEQ_MISC0_GDDR5_MASK) >> MC_SEQ_MISC0_GDDR5_SHIFT;
244 	running = RREG32(MC_SEQ_SUP_CNTL) & RUN_MASK;
245 
246 	if ((mem_type == MC_SEQ_MISC0_GDDR5_VALUE) && (running == 0)) {
247 		if (running) {
248 			blackout = RREG32(MC_SHARED_BLACKOUT_CNTL);
249 			WREG32(MC_SHARED_BLACKOUT_CNTL, 1);
250 		}
251 
252 		/* reset the engine and set to writable */
253 		WREG32(MC_SEQ_SUP_CNTL, 0x00000008);
254 		WREG32(MC_SEQ_SUP_CNTL, 0x00000010);
255 
256 		/* load mc io regs */
257 		for (i = 0; i < regs_size; i++) {
258 			WREG32(MC_SEQ_IO_DEBUG_INDEX, io_mc_regs[(i << 1)]);
259 			WREG32(MC_SEQ_IO_DEBUG_DATA, io_mc_regs[(i << 1) + 1]);
260 		}
261 		/* load the MC ucode */
262 		fw_data = (const __be32 *)rdev->mc_fw->data;
263 		for (i = 0; i < ucode_size; i++)
264 			WREG32(MC_SEQ_SUP_PGM, be32_to_cpup(fw_data++));
265 
266 		/* put the engine back into the active state */
267 		WREG32(MC_SEQ_SUP_CNTL, 0x00000008);
268 		WREG32(MC_SEQ_SUP_CNTL, 0x00000004);
269 		WREG32(MC_SEQ_SUP_CNTL, 0x00000001);
270 
271 		/* wait for training to complete */
272 		for (i = 0; i < rdev->usec_timeout; i++) {
273 			if (RREG32(MC_IO_PAD_CNTL_D0) & MEM_FALL_OUT_CMD)
274 				break;
275 			udelay(1);
276 		}
277 
278 		if (running)
279 			WREG32(MC_SHARED_BLACKOUT_CNTL, blackout);
280 	}
281 
282 	return 0;
283 }
284 
285 int ni_init_microcode(struct radeon_device *rdev)
286 {
287 	struct platform_device *pdev;
288 	const char *chip_name;
289 	const char *rlc_chip_name;
290 	size_t pfp_req_size, me_req_size, rlc_req_size, mc_req_size;
291 	char fw_name[30];
292 	int err;
293 
294 	DRM_DEBUG("\n");
295 
296 	pdev = platform_device_register_simple("radeon_cp", 0, NULL, 0);
297 	err = IS_ERR(pdev);
298 	if (err) {
299 		printk(KERN_ERR "radeon_cp: Failed to register firmware\n");
300 		return -EINVAL;
301 	}
302 
303 	switch (rdev->family) {
304 	case CHIP_BARTS:
305 		chip_name = "BARTS";
306 		rlc_chip_name = "BTC";
307 		pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
308 		me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
309 		rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
310 		mc_req_size = BTC_MC_UCODE_SIZE * 4;
311 		break;
312 	case CHIP_TURKS:
313 		chip_name = "TURKS";
314 		rlc_chip_name = "BTC";
315 		pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
316 		me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
317 		rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
318 		mc_req_size = BTC_MC_UCODE_SIZE * 4;
319 		break;
320 	case CHIP_CAICOS:
321 		chip_name = "CAICOS";
322 		rlc_chip_name = "BTC";
323 		pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
324 		me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
325 		rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
326 		mc_req_size = BTC_MC_UCODE_SIZE * 4;
327 		break;
328 	case CHIP_CAYMAN:
329 		chip_name = "CAYMAN";
330 		rlc_chip_name = "CAYMAN";
331 		pfp_req_size = CAYMAN_PFP_UCODE_SIZE * 4;
332 		me_req_size = CAYMAN_PM4_UCODE_SIZE * 4;
333 		rlc_req_size = CAYMAN_RLC_UCODE_SIZE * 4;
334 		mc_req_size = CAYMAN_MC_UCODE_SIZE * 4;
335 		break;
336 	case CHIP_ARUBA:
337 		chip_name = "ARUBA";
338 		rlc_chip_name = "ARUBA";
339 		/* pfp/me same size as CAYMAN */
340 		pfp_req_size = CAYMAN_PFP_UCODE_SIZE * 4;
341 		me_req_size = CAYMAN_PM4_UCODE_SIZE * 4;
342 		rlc_req_size = ARUBA_RLC_UCODE_SIZE * 4;
343 		mc_req_size = 0;
344 		break;
345 	default: BUG();
346 	}
347 
348 	DRM_INFO("Loading %s Microcode\n", chip_name);
349 
350 	snprintf(fw_name, sizeof(fw_name), "radeon/%s_pfp.bin", chip_name);
351 	err = request_firmware(&rdev->pfp_fw, fw_name, &pdev->dev);
352 	if (err)
353 		goto out;
354 	if (rdev->pfp_fw->size != pfp_req_size) {
355 		printk(KERN_ERR
356 		       "ni_cp: Bogus length %zu in firmware \"%s\"\n",
357 		       rdev->pfp_fw->size, fw_name);
358 		err = -EINVAL;
359 		goto out;
360 	}
361 
362 	snprintf(fw_name, sizeof(fw_name), "radeon/%s_me.bin", chip_name);
363 	err = request_firmware(&rdev->me_fw, fw_name, &pdev->dev);
364 	if (err)
365 		goto out;
366 	if (rdev->me_fw->size != me_req_size) {
367 		printk(KERN_ERR
368 		       "ni_cp: Bogus length %zu in firmware \"%s\"\n",
369 		       rdev->me_fw->size, fw_name);
370 		err = -EINVAL;
371 	}
372 
373 	snprintf(fw_name, sizeof(fw_name), "radeon/%s_rlc.bin", rlc_chip_name);
374 	err = request_firmware(&rdev->rlc_fw, fw_name, &pdev->dev);
375 	if (err)
376 		goto out;
377 	if (rdev->rlc_fw->size != rlc_req_size) {
378 		printk(KERN_ERR
379 		       "ni_rlc: Bogus length %zu in firmware \"%s\"\n",
380 		       rdev->rlc_fw->size, fw_name);
381 		err = -EINVAL;
382 	}
383 
384 	/* no MC ucode on TN */
385 	if (!(rdev->flags & RADEON_IS_IGP)) {
386 		snprintf(fw_name, sizeof(fw_name), "radeon/%s_mc.bin", chip_name);
387 		err = request_firmware(&rdev->mc_fw, fw_name, &pdev->dev);
388 		if (err)
389 			goto out;
390 		if (rdev->mc_fw->size != mc_req_size) {
391 			printk(KERN_ERR
392 			       "ni_mc: Bogus length %zu in firmware \"%s\"\n",
393 			       rdev->mc_fw->size, fw_name);
394 			err = -EINVAL;
395 		}
396 	}
397 out:
398 	platform_device_unregister(pdev);
399 
400 	if (err) {
401 		if (err != -EINVAL)
402 			printk(KERN_ERR
403 			       "ni_cp: Failed to load firmware \"%s\"\n",
404 			       fw_name);
405 		release_firmware(rdev->pfp_fw);
406 		rdev->pfp_fw = NULL;
407 		release_firmware(rdev->me_fw);
408 		rdev->me_fw = NULL;
409 		release_firmware(rdev->rlc_fw);
410 		rdev->rlc_fw = NULL;
411 		release_firmware(rdev->mc_fw);
412 		rdev->mc_fw = NULL;
413 	}
414 	return err;
415 }
416 
417 /*
418  * Core functions
419  */
420 static void cayman_gpu_init(struct radeon_device *rdev)
421 {
422 	u32 gb_addr_config = 0;
423 	u32 mc_shared_chmap, mc_arb_ramcfg;
424 	u32 cgts_tcc_disable;
425 	u32 sx_debug_1;
426 	u32 smx_dc_ctl0;
427 	u32 cgts_sm_ctrl_reg;
428 	u32 hdp_host_path_cntl;
429 	u32 tmp;
430 	u32 disabled_rb_mask;
431 	int i, j;
432 
433 	switch (rdev->family) {
434 	case CHIP_CAYMAN:
435 		rdev->config.cayman.max_shader_engines = 2;
436 		rdev->config.cayman.max_pipes_per_simd = 4;
437 		rdev->config.cayman.max_tile_pipes = 8;
438 		rdev->config.cayman.max_simds_per_se = 12;
439 		rdev->config.cayman.max_backends_per_se = 4;
440 		rdev->config.cayman.max_texture_channel_caches = 8;
441 		rdev->config.cayman.max_gprs = 256;
442 		rdev->config.cayman.max_threads = 256;
443 		rdev->config.cayman.max_gs_threads = 32;
444 		rdev->config.cayman.max_stack_entries = 512;
445 		rdev->config.cayman.sx_num_of_sets = 8;
446 		rdev->config.cayman.sx_max_export_size = 256;
447 		rdev->config.cayman.sx_max_export_pos_size = 64;
448 		rdev->config.cayman.sx_max_export_smx_size = 192;
449 		rdev->config.cayman.max_hw_contexts = 8;
450 		rdev->config.cayman.sq_num_cf_insts = 2;
451 
452 		rdev->config.cayman.sc_prim_fifo_size = 0x100;
453 		rdev->config.cayman.sc_hiz_tile_fifo_size = 0x30;
454 		rdev->config.cayman.sc_earlyz_tile_fifo_size = 0x130;
455 		gb_addr_config = CAYMAN_GB_ADDR_CONFIG_GOLDEN;
456 		break;
457 	case CHIP_ARUBA:
458 	default:
459 		rdev->config.cayman.max_shader_engines = 1;
460 		rdev->config.cayman.max_pipes_per_simd = 4;
461 		rdev->config.cayman.max_tile_pipes = 2;
462 		if ((rdev->pdev->device == 0x9900) ||
463 		    (rdev->pdev->device == 0x9901) ||
464 		    (rdev->pdev->device == 0x9905) ||
465 		    (rdev->pdev->device == 0x9906) ||
466 		    (rdev->pdev->device == 0x9907) ||
467 		    (rdev->pdev->device == 0x9908) ||
468 		    (rdev->pdev->device == 0x9909) ||
469 		    (rdev->pdev->device == 0x9910) ||
470 		    (rdev->pdev->device == 0x9917)) {
471 			rdev->config.cayman.max_simds_per_se = 6;
472 			rdev->config.cayman.max_backends_per_se = 2;
473 		} else if ((rdev->pdev->device == 0x9903) ||
474 			   (rdev->pdev->device == 0x9904) ||
475 			   (rdev->pdev->device == 0x990A) ||
476 			   (rdev->pdev->device == 0x9913) ||
477 			   (rdev->pdev->device == 0x9918)) {
478 			rdev->config.cayman.max_simds_per_se = 4;
479 			rdev->config.cayman.max_backends_per_se = 2;
480 		} else if ((rdev->pdev->device == 0x9919) ||
481 			   (rdev->pdev->device == 0x9990) ||
482 			   (rdev->pdev->device == 0x9991) ||
483 			   (rdev->pdev->device == 0x9994) ||
484 			   (rdev->pdev->device == 0x99A0)) {
485 			rdev->config.cayman.max_simds_per_se = 3;
486 			rdev->config.cayman.max_backends_per_se = 1;
487 		} else {
488 			rdev->config.cayman.max_simds_per_se = 2;
489 			rdev->config.cayman.max_backends_per_se = 1;
490 		}
491 		rdev->config.cayman.max_texture_channel_caches = 2;
492 		rdev->config.cayman.max_gprs = 256;
493 		rdev->config.cayman.max_threads = 256;
494 		rdev->config.cayman.max_gs_threads = 32;
495 		rdev->config.cayman.max_stack_entries = 512;
496 		rdev->config.cayman.sx_num_of_sets = 8;
497 		rdev->config.cayman.sx_max_export_size = 256;
498 		rdev->config.cayman.sx_max_export_pos_size = 64;
499 		rdev->config.cayman.sx_max_export_smx_size = 192;
500 		rdev->config.cayman.max_hw_contexts = 8;
501 		rdev->config.cayman.sq_num_cf_insts = 2;
502 
503 		rdev->config.cayman.sc_prim_fifo_size = 0x40;
504 		rdev->config.cayman.sc_hiz_tile_fifo_size = 0x30;
505 		rdev->config.cayman.sc_earlyz_tile_fifo_size = 0x130;
506 		gb_addr_config = ARUBA_GB_ADDR_CONFIG_GOLDEN;
507 		break;
508 	}
509 
510 	/* Initialize HDP */
511 	for (i = 0, j = 0; i < 32; i++, j += 0x18) {
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 	}
518 
519 	WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
520 
521 	evergreen_fix_pci_max_read_req_size(rdev);
522 
523 	mc_shared_chmap = RREG32(MC_SHARED_CHMAP);
524 	mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG);
525 
526 	tmp = (mc_arb_ramcfg & NOOFCOLS_MASK) >> NOOFCOLS_SHIFT;
527 	rdev->config.cayman.mem_row_size_in_kb = (4 * (1 << (8 + tmp))) / 1024;
528 	if (rdev->config.cayman.mem_row_size_in_kb > 4)
529 		rdev->config.cayman.mem_row_size_in_kb = 4;
530 	/* XXX use MC settings? */
531 	rdev->config.cayman.shader_engine_tile_size = 32;
532 	rdev->config.cayman.num_gpus = 1;
533 	rdev->config.cayman.multi_gpu_tile_size = 64;
534 
535 	tmp = (gb_addr_config & NUM_PIPES_MASK) >> NUM_PIPES_SHIFT;
536 	rdev->config.cayman.num_tile_pipes = (1 << tmp);
537 	tmp = (gb_addr_config & PIPE_INTERLEAVE_SIZE_MASK) >> PIPE_INTERLEAVE_SIZE_SHIFT;
538 	rdev->config.cayman.mem_max_burst_length_bytes = (tmp + 1) * 256;
539 	tmp = (gb_addr_config & NUM_SHADER_ENGINES_MASK) >> NUM_SHADER_ENGINES_SHIFT;
540 	rdev->config.cayman.num_shader_engines = tmp + 1;
541 	tmp = (gb_addr_config & NUM_GPUS_MASK) >> NUM_GPUS_SHIFT;
542 	rdev->config.cayman.num_gpus = tmp + 1;
543 	tmp = (gb_addr_config & MULTI_GPU_TILE_SIZE_MASK) >> MULTI_GPU_TILE_SIZE_SHIFT;
544 	rdev->config.cayman.multi_gpu_tile_size = 1 << tmp;
545 	tmp = (gb_addr_config & ROW_SIZE_MASK) >> ROW_SIZE_SHIFT;
546 	rdev->config.cayman.mem_row_size_in_kb = 1 << tmp;
547 
548 
549 	/* setup tiling info dword.  gb_addr_config is not adequate since it does
550 	 * not have bank info, so create a custom tiling dword.
551 	 * bits 3:0   num_pipes
552 	 * bits 7:4   num_banks
553 	 * bits 11:8  group_size
554 	 * bits 15:12 row_size
555 	 */
556 	rdev->config.cayman.tile_config = 0;
557 	switch (rdev->config.cayman.num_tile_pipes) {
558 	case 1:
559 	default:
560 		rdev->config.cayman.tile_config |= (0 << 0);
561 		break;
562 	case 2:
563 		rdev->config.cayman.tile_config |= (1 << 0);
564 		break;
565 	case 4:
566 		rdev->config.cayman.tile_config |= (2 << 0);
567 		break;
568 	case 8:
569 		rdev->config.cayman.tile_config |= (3 << 0);
570 		break;
571 	}
572 
573 	/* num banks is 8 on all fusion asics. 0 = 4, 1 = 8, 2 = 16 */
574 	if (rdev->flags & RADEON_IS_IGP)
575 		rdev->config.cayman.tile_config |= 1 << 4;
576 	else {
577 		switch ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) {
578 		case 0: /* four banks */
579 			rdev->config.cayman.tile_config |= 0 << 4;
580 			break;
581 		case 1: /* eight banks */
582 			rdev->config.cayman.tile_config |= 1 << 4;
583 			break;
584 		case 2: /* sixteen banks */
585 		default:
586 			rdev->config.cayman.tile_config |= 2 << 4;
587 			break;
588 		}
589 	}
590 	rdev->config.cayman.tile_config |=
591 		((gb_addr_config & PIPE_INTERLEAVE_SIZE_MASK) >> PIPE_INTERLEAVE_SIZE_SHIFT) << 8;
592 	rdev->config.cayman.tile_config |=
593 		((gb_addr_config & ROW_SIZE_MASK) >> ROW_SIZE_SHIFT) << 12;
594 
595 	tmp = 0;
596 	for (i = (rdev->config.cayman.max_shader_engines - 1); i >= 0; i--) {
597 		u32 rb_disable_bitmap;
598 
599 		WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
600 		WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
601 		rb_disable_bitmap = (RREG32(CC_RB_BACKEND_DISABLE) & 0x00ff0000) >> 16;
602 		tmp <<= 4;
603 		tmp |= rb_disable_bitmap;
604 	}
605 	/* enabled rb are just the one not disabled :) */
606 	disabled_rb_mask = tmp;
607 
608 	WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_BROADCAST_WRITES);
609 	WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_BROADCAST_WRITES);
610 
611 	WREG32(GB_ADDR_CONFIG, gb_addr_config);
612 	WREG32(DMIF_ADDR_CONFIG, gb_addr_config);
613 	WREG32(HDP_ADDR_CONFIG, gb_addr_config);
614 
615 	tmp = gb_addr_config & NUM_PIPES_MASK;
616 	tmp = r6xx_remap_render_backend(rdev, tmp,
617 					rdev->config.cayman.max_backends_per_se *
618 					rdev->config.cayman.max_shader_engines,
619 					CAYMAN_MAX_BACKENDS, disabled_rb_mask);
620 	WREG32(GB_BACKEND_MAP, tmp);
621 
622 	cgts_tcc_disable = 0xffff0000;
623 	for (i = 0; i < rdev->config.cayman.max_texture_channel_caches; i++)
624 		cgts_tcc_disable &= ~(1 << (16 + i));
625 	WREG32(CGTS_TCC_DISABLE, cgts_tcc_disable);
626 	WREG32(CGTS_SYS_TCC_DISABLE, cgts_tcc_disable);
627 	WREG32(CGTS_USER_SYS_TCC_DISABLE, cgts_tcc_disable);
628 	WREG32(CGTS_USER_TCC_DISABLE, cgts_tcc_disable);
629 
630 	/* reprogram the shader complex */
631 	cgts_sm_ctrl_reg = RREG32(CGTS_SM_CTRL_REG);
632 	for (i = 0; i < 16; i++)
633 		WREG32(CGTS_SM_CTRL_REG, OVERRIDE);
634 	WREG32(CGTS_SM_CTRL_REG, cgts_sm_ctrl_reg);
635 
636 	/* set HW defaults for 3D engine */
637 	WREG32(CP_MEQ_THRESHOLDS, MEQ1_START(0x30) | MEQ2_START(0x60));
638 
639 	sx_debug_1 = RREG32(SX_DEBUG_1);
640 	sx_debug_1 |= ENABLE_NEW_SMX_ADDRESS;
641 	WREG32(SX_DEBUG_1, sx_debug_1);
642 
643 	smx_dc_ctl0 = RREG32(SMX_DC_CTL0);
644 	smx_dc_ctl0 &= ~NUMBER_OF_SETS(0x1ff);
645 	smx_dc_ctl0 |= NUMBER_OF_SETS(rdev->config.cayman.sx_num_of_sets);
646 	WREG32(SMX_DC_CTL0, smx_dc_ctl0);
647 
648 	WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(4) | CRC_SIMD_ID_WADDR_DISABLE);
649 
650 	/* need to be explicitly zero-ed */
651 	WREG32(VGT_OFFCHIP_LDS_BASE, 0);
652 	WREG32(SQ_LSTMP_RING_BASE, 0);
653 	WREG32(SQ_HSTMP_RING_BASE, 0);
654 	WREG32(SQ_ESTMP_RING_BASE, 0);
655 	WREG32(SQ_GSTMP_RING_BASE, 0);
656 	WREG32(SQ_VSTMP_RING_BASE, 0);
657 	WREG32(SQ_PSTMP_RING_BASE, 0);
658 
659 	WREG32(TA_CNTL_AUX, DISABLE_CUBE_ANISO);
660 
661 	WREG32(SX_EXPORT_BUFFER_SIZES, (COLOR_BUFFER_SIZE((rdev->config.cayman.sx_max_export_size / 4) - 1) |
662 					POSITION_BUFFER_SIZE((rdev->config.cayman.sx_max_export_pos_size / 4) - 1) |
663 					SMX_BUFFER_SIZE((rdev->config.cayman.sx_max_export_smx_size / 4) - 1)));
664 
665 	WREG32(PA_SC_FIFO_SIZE, (SC_PRIM_FIFO_SIZE(rdev->config.cayman.sc_prim_fifo_size) |
666 				 SC_HIZ_TILE_FIFO_SIZE(rdev->config.cayman.sc_hiz_tile_fifo_size) |
667 				 SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.cayman.sc_earlyz_tile_fifo_size)));
668 
669 
670 	WREG32(VGT_NUM_INSTANCES, 1);
671 
672 	WREG32(CP_PERFMON_CNTL, 0);
673 
674 	WREG32(SQ_MS_FIFO_SIZES, (CACHE_FIFO_SIZE(16 * rdev->config.cayman.sq_num_cf_insts) |
675 				  FETCH_FIFO_HIWATER(0x4) |
676 				  DONE_FIFO_HIWATER(0xe0) |
677 				  ALU_UPDATE_FIFO_HIWATER(0x8)));
678 
679 	WREG32(SQ_GPR_RESOURCE_MGMT_1, NUM_CLAUSE_TEMP_GPRS(4));
680 	WREG32(SQ_CONFIG, (VC_ENABLE |
681 			   EXPORT_SRC_C |
682 			   GFX_PRIO(0) |
683 			   CS1_PRIO(0) |
684 			   CS2_PRIO(1)));
685 	WREG32(SQ_DYN_GPR_CNTL_PS_FLUSH_REQ, DYN_GPR_ENABLE);
686 
687 	WREG32(PA_SC_FORCE_EOV_MAX_CNTS, (FORCE_EOV_MAX_CLK_CNT(4095) |
688 					  FORCE_EOV_MAX_REZ_CNT(255)));
689 
690 	WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(VC_AND_TC) |
691 	       AUTO_INVLD_EN(ES_AND_GS_AUTO));
692 
693 	WREG32(VGT_GS_VERTEX_REUSE, 16);
694 	WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
695 
696 	WREG32(CB_PERF_CTR0_SEL_0, 0);
697 	WREG32(CB_PERF_CTR0_SEL_1, 0);
698 	WREG32(CB_PERF_CTR1_SEL_0, 0);
699 	WREG32(CB_PERF_CTR1_SEL_1, 0);
700 	WREG32(CB_PERF_CTR2_SEL_0, 0);
701 	WREG32(CB_PERF_CTR2_SEL_1, 0);
702 	WREG32(CB_PERF_CTR3_SEL_0, 0);
703 	WREG32(CB_PERF_CTR3_SEL_1, 0);
704 
705 	tmp = RREG32(HDP_MISC_CNTL);
706 	tmp |= HDP_FLUSH_INVALIDATE_CACHE;
707 	WREG32(HDP_MISC_CNTL, tmp);
708 
709 	hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL);
710 	WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
711 
712 	WREG32(PA_CL_ENHANCE, CLIP_VTX_REORDER_ENA | NUM_CLIP_SEQ(3));
713 
714 	udelay(50);
715 }
716 
717 /*
718  * GART
719  */
720 void cayman_pcie_gart_tlb_flush(struct radeon_device *rdev)
721 {
722 	/* flush hdp cache */
723 	WREG32(HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
724 
725 	/* bits 0-7 are the VM contexts0-7 */
726 	WREG32(VM_INVALIDATE_REQUEST, 1);
727 }
728 
729 int cayman_pcie_gart_enable(struct radeon_device *rdev)
730 {
731 	int i, r;
732 
733 	if (rdev->gart.robj == NULL) {
734 		dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
735 		return -EINVAL;
736 	}
737 	r = radeon_gart_table_vram_pin(rdev);
738 	if (r)
739 		return r;
740 	radeon_gart_restore(rdev);
741 	/* Setup TLB control */
742 	WREG32(MC_VM_MX_L1_TLB_CNTL,
743 	       (0xA << 7) |
744 	       ENABLE_L1_TLB |
745 	       ENABLE_L1_FRAGMENT_PROCESSING |
746 	       SYSTEM_ACCESS_MODE_NOT_IN_SYS |
747 	       ENABLE_ADVANCED_DRIVER_MODEL |
748 	       SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU);
749 	/* Setup L2 cache */
750 	WREG32(VM_L2_CNTL, ENABLE_L2_CACHE |
751 	       ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
752 	       ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE |
753 	       EFFECTIVE_L2_QUEUE_SIZE(7) |
754 	       CONTEXT1_IDENTITY_ACCESS_MODE(1));
755 	WREG32(VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS | INVALIDATE_L2_CACHE);
756 	WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY |
757 	       L2_CACHE_BIGK_FRAGMENT_SIZE(6));
758 	/* setup context0 */
759 	WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
760 	WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
761 	WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
762 	WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
763 			(u32)(rdev->dummy_page.addr >> 12));
764 	WREG32(VM_CONTEXT0_CNTL2, 0);
765 	WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
766 				RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
767 
768 	WREG32(0x15D4, 0);
769 	WREG32(0x15D8, 0);
770 	WREG32(0x15DC, 0);
771 
772 	/* empty context1-7 */
773 	for (i = 1; i < 8; i++) {
774 		WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR + (i << 2), 0);
775 		WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR + (i << 2), 0);
776 		WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (i << 2),
777 			rdev->gart.table_addr >> 12);
778 	}
779 
780 	/* enable context1-7 */
781 	WREG32(VM_CONTEXT1_PROTECTION_FAULT_DEFAULT_ADDR,
782 	       (u32)(rdev->dummy_page.addr >> 12));
783 	WREG32(VM_CONTEXT1_CNTL2, 0);
784 	WREG32(VM_CONTEXT1_CNTL, 0);
785 	WREG32(VM_CONTEXT1_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
786 				RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
787 
788 	cayman_pcie_gart_tlb_flush(rdev);
789 	DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
790 		 (unsigned)(rdev->mc.gtt_size >> 20),
791 		 (unsigned long long)rdev->gart.table_addr);
792 	rdev->gart.ready = true;
793 	return 0;
794 }
795 
796 void cayman_pcie_gart_disable(struct radeon_device *rdev)
797 {
798 	/* Disable all tables */
799 	WREG32(VM_CONTEXT0_CNTL, 0);
800 	WREG32(VM_CONTEXT1_CNTL, 0);
801 	/* Setup TLB control */
802 	WREG32(MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_FRAGMENT_PROCESSING |
803 	       SYSTEM_ACCESS_MODE_NOT_IN_SYS |
804 	       SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU);
805 	/* Setup L2 cache */
806 	WREG32(VM_L2_CNTL, ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
807 	       ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE |
808 	       EFFECTIVE_L2_QUEUE_SIZE(7) |
809 	       CONTEXT1_IDENTITY_ACCESS_MODE(1));
810 	WREG32(VM_L2_CNTL2, 0);
811 	WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY |
812 	       L2_CACHE_BIGK_FRAGMENT_SIZE(6));
813 	radeon_gart_table_vram_unpin(rdev);
814 }
815 
816 void cayman_pcie_gart_fini(struct radeon_device *rdev)
817 {
818 	cayman_pcie_gart_disable(rdev);
819 	radeon_gart_table_vram_free(rdev);
820 	radeon_gart_fini(rdev);
821 }
822 
823 void cayman_cp_int_cntl_setup(struct radeon_device *rdev,
824 			      int ring, u32 cp_int_cntl)
825 {
826 	u32 srbm_gfx_cntl = RREG32(SRBM_GFX_CNTL) & ~3;
827 
828 	WREG32(SRBM_GFX_CNTL, srbm_gfx_cntl | (ring & 3));
829 	WREG32(CP_INT_CNTL, cp_int_cntl);
830 }
831 
832 /*
833  * CP.
834  */
835 void cayman_fence_ring_emit(struct radeon_device *rdev,
836 			    struct radeon_fence *fence)
837 {
838 	struct radeon_ring *ring = &rdev->ring[fence->ring];
839 	u64 addr = rdev->fence_drv[fence->ring].gpu_addr;
840 
841 	/* flush read cache over gart for this vmid */
842 	radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
843 	radeon_ring_write(ring, (CP_COHER_CNTL2 - PACKET3_SET_CONFIG_REG_START) >> 2);
844 	radeon_ring_write(ring, 0);
845 	radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
846 	radeon_ring_write(ring, PACKET3_TC_ACTION_ENA | PACKET3_SH_ACTION_ENA);
847 	radeon_ring_write(ring, 0xFFFFFFFF);
848 	radeon_ring_write(ring, 0);
849 	radeon_ring_write(ring, 10); /* poll interval */
850 	/* EVENT_WRITE_EOP - flush caches, send int */
851 	radeon_ring_write(ring, PACKET3(PACKET3_EVENT_WRITE_EOP, 4));
852 	radeon_ring_write(ring, EVENT_TYPE(CACHE_FLUSH_AND_INV_EVENT_TS) | EVENT_INDEX(5));
853 	radeon_ring_write(ring, addr & 0xffffffff);
854 	radeon_ring_write(ring, (upper_32_bits(addr) & 0xff) | DATA_SEL(1) | INT_SEL(2));
855 	radeon_ring_write(ring, fence->seq);
856 	radeon_ring_write(ring, 0);
857 }
858 
859 void cayman_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
860 {
861 	struct radeon_ring *ring = &rdev->ring[ib->ring];
862 
863 	/* set to DX10/11 mode */
864 	radeon_ring_write(ring, PACKET3(PACKET3_MODE_CONTROL, 0));
865 	radeon_ring_write(ring, 1);
866 
867 	if (ring->rptr_save_reg) {
868 		uint32_t next_rptr = ring->wptr + 3 + 4 + 8;
869 		radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
870 		radeon_ring_write(ring, ((ring->rptr_save_reg -
871 					  PACKET3_SET_CONFIG_REG_START) >> 2));
872 		radeon_ring_write(ring, next_rptr);
873 	}
874 
875 	radeon_ring_write(ring, PACKET3(PACKET3_INDIRECT_BUFFER, 2));
876 	radeon_ring_write(ring,
877 #ifdef __BIG_ENDIAN
878 			  (2 << 0) |
879 #endif
880 			  (ib->gpu_addr & 0xFFFFFFFC));
881 	radeon_ring_write(ring, upper_32_bits(ib->gpu_addr) & 0xFF);
882 	radeon_ring_write(ring, ib->length_dw |
883 			  (ib->vm ? (ib->vm->id << 24) : 0));
884 
885 	/* flush read cache over gart for this vmid */
886 	radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
887 	radeon_ring_write(ring, (CP_COHER_CNTL2 - PACKET3_SET_CONFIG_REG_START) >> 2);
888 	radeon_ring_write(ring, ib->vm ? ib->vm->id : 0);
889 	radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
890 	radeon_ring_write(ring, PACKET3_TC_ACTION_ENA | PACKET3_SH_ACTION_ENA);
891 	radeon_ring_write(ring, 0xFFFFFFFF);
892 	radeon_ring_write(ring, 0);
893 	radeon_ring_write(ring, 10); /* poll interval */
894 }
895 
896 static void cayman_cp_enable(struct radeon_device *rdev, bool enable)
897 {
898 	if (enable)
899 		WREG32(CP_ME_CNTL, 0);
900 	else {
901 		radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
902 		WREG32(CP_ME_CNTL, (CP_ME_HALT | CP_PFP_HALT));
903 		WREG32(SCRATCH_UMSK, 0);
904 	}
905 }
906 
907 static int cayman_cp_load_microcode(struct radeon_device *rdev)
908 {
909 	const __be32 *fw_data;
910 	int i;
911 
912 	if (!rdev->me_fw || !rdev->pfp_fw)
913 		return -EINVAL;
914 
915 	cayman_cp_enable(rdev, false);
916 
917 	fw_data = (const __be32 *)rdev->pfp_fw->data;
918 	WREG32(CP_PFP_UCODE_ADDR, 0);
919 	for (i = 0; i < CAYMAN_PFP_UCODE_SIZE; i++)
920 		WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++));
921 	WREG32(CP_PFP_UCODE_ADDR, 0);
922 
923 	fw_data = (const __be32 *)rdev->me_fw->data;
924 	WREG32(CP_ME_RAM_WADDR, 0);
925 	for (i = 0; i < CAYMAN_PM4_UCODE_SIZE; i++)
926 		WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++));
927 
928 	WREG32(CP_PFP_UCODE_ADDR, 0);
929 	WREG32(CP_ME_RAM_WADDR, 0);
930 	WREG32(CP_ME_RAM_RADDR, 0);
931 	return 0;
932 }
933 
934 static int cayman_cp_start(struct radeon_device *rdev)
935 {
936 	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
937 	int r, i;
938 
939 	r = radeon_ring_lock(rdev, ring, 7);
940 	if (r) {
941 		DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
942 		return r;
943 	}
944 	radeon_ring_write(ring, PACKET3(PACKET3_ME_INITIALIZE, 5));
945 	radeon_ring_write(ring, 0x1);
946 	radeon_ring_write(ring, 0x0);
947 	radeon_ring_write(ring, rdev->config.cayman.max_hw_contexts - 1);
948 	radeon_ring_write(ring, PACKET3_ME_INITIALIZE_DEVICE_ID(1));
949 	radeon_ring_write(ring, 0);
950 	radeon_ring_write(ring, 0);
951 	radeon_ring_unlock_commit(rdev, ring);
952 
953 	cayman_cp_enable(rdev, true);
954 
955 	r = radeon_ring_lock(rdev, ring, cayman_default_size + 19);
956 	if (r) {
957 		DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
958 		return r;
959 	}
960 
961 	/* setup clear context state */
962 	radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
963 	radeon_ring_write(ring, PACKET3_PREAMBLE_BEGIN_CLEAR_STATE);
964 
965 	for (i = 0; i < cayman_default_size; i++)
966 		radeon_ring_write(ring, cayman_default_state[i]);
967 
968 	radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
969 	radeon_ring_write(ring, PACKET3_PREAMBLE_END_CLEAR_STATE);
970 
971 	/* set clear context state */
972 	radeon_ring_write(ring, PACKET3(PACKET3_CLEAR_STATE, 0));
973 	radeon_ring_write(ring, 0);
974 
975 	/* SQ_VTX_BASE_VTX_LOC */
976 	radeon_ring_write(ring, 0xc0026f00);
977 	radeon_ring_write(ring, 0x00000000);
978 	radeon_ring_write(ring, 0x00000000);
979 	radeon_ring_write(ring, 0x00000000);
980 
981 	/* Clear consts */
982 	radeon_ring_write(ring, 0xc0036f00);
983 	radeon_ring_write(ring, 0x00000bc4);
984 	radeon_ring_write(ring, 0xffffffff);
985 	radeon_ring_write(ring, 0xffffffff);
986 	radeon_ring_write(ring, 0xffffffff);
987 
988 	radeon_ring_write(ring, 0xc0026900);
989 	radeon_ring_write(ring, 0x00000316);
990 	radeon_ring_write(ring, 0x0000000e); /* VGT_VERTEX_REUSE_BLOCK_CNTL */
991 	radeon_ring_write(ring, 0x00000010); /*  */
992 
993 	radeon_ring_unlock_commit(rdev, ring);
994 
995 	/* XXX init other rings */
996 
997 	return 0;
998 }
999 
1000 static void cayman_cp_fini(struct radeon_device *rdev)
1001 {
1002 	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1003 	cayman_cp_enable(rdev, false);
1004 	radeon_ring_fini(rdev, ring);
1005 	radeon_scratch_free(rdev, ring->rptr_save_reg);
1006 }
1007 
1008 int cayman_cp_resume(struct radeon_device *rdev)
1009 {
1010 	static const int ridx[] = {
1011 		RADEON_RING_TYPE_GFX_INDEX,
1012 		CAYMAN_RING_TYPE_CP1_INDEX,
1013 		CAYMAN_RING_TYPE_CP2_INDEX
1014 	};
1015 	static const unsigned cp_rb_cntl[] = {
1016 		CP_RB0_CNTL,
1017 		CP_RB1_CNTL,
1018 		CP_RB2_CNTL,
1019 	};
1020 	static const unsigned cp_rb_rptr_addr[] = {
1021 		CP_RB0_RPTR_ADDR,
1022 		CP_RB1_RPTR_ADDR,
1023 		CP_RB2_RPTR_ADDR
1024 	};
1025 	static const unsigned cp_rb_rptr_addr_hi[] = {
1026 		CP_RB0_RPTR_ADDR_HI,
1027 		CP_RB1_RPTR_ADDR_HI,
1028 		CP_RB2_RPTR_ADDR_HI
1029 	};
1030 	static const unsigned cp_rb_base[] = {
1031 		CP_RB0_BASE,
1032 		CP_RB1_BASE,
1033 		CP_RB2_BASE
1034 	};
1035 	struct radeon_ring *ring;
1036 	int i, r;
1037 
1038 	/* Reset cp; if cp is reset, then PA, SH, VGT also need to be reset */
1039 	WREG32(GRBM_SOFT_RESET, (SOFT_RESET_CP |
1040 				 SOFT_RESET_PA |
1041 				 SOFT_RESET_SH |
1042 				 SOFT_RESET_VGT |
1043 				 SOFT_RESET_SPI |
1044 				 SOFT_RESET_SX));
1045 	RREG32(GRBM_SOFT_RESET);
1046 	mdelay(15);
1047 	WREG32(GRBM_SOFT_RESET, 0);
1048 	RREG32(GRBM_SOFT_RESET);
1049 
1050 	WREG32(CP_SEM_WAIT_TIMER, 0x0);
1051 	WREG32(CP_SEM_INCOMPLETE_TIMER_CNTL, 0x0);
1052 
1053 	/* Set the write pointer delay */
1054 	WREG32(CP_RB_WPTR_DELAY, 0);
1055 
1056 	WREG32(CP_DEBUG, (1 << 27));
1057 
1058 	/* set the wb address wether it's enabled or not */
1059 	WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF);
1060 	WREG32(SCRATCH_UMSK, 0xff);
1061 
1062 	for (i = 0; i < 3; ++i) {
1063 		uint32_t rb_cntl;
1064 		uint64_t addr;
1065 
1066 		/* Set ring buffer size */
1067 		ring = &rdev->ring[ridx[i]];
1068 		rb_cntl = drm_order(ring->ring_size / 8);
1069 		rb_cntl |= drm_order(RADEON_GPU_PAGE_SIZE/8) << 8;
1070 #ifdef __BIG_ENDIAN
1071 		rb_cntl |= BUF_SWAP_32BIT;
1072 #endif
1073 		WREG32(cp_rb_cntl[i], rb_cntl);
1074 
1075 		/* set the wb address wether it's enabled or not */
1076 		addr = rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET;
1077 		WREG32(cp_rb_rptr_addr[i], addr & 0xFFFFFFFC);
1078 		WREG32(cp_rb_rptr_addr_hi[i], upper_32_bits(addr) & 0xFF);
1079 	}
1080 
1081 	/* set the rb base addr, this causes an internal reset of ALL rings */
1082 	for (i = 0; i < 3; ++i) {
1083 		ring = &rdev->ring[ridx[i]];
1084 		WREG32(cp_rb_base[i], ring->gpu_addr >> 8);
1085 	}
1086 
1087 	for (i = 0; i < 3; ++i) {
1088 		/* Initialize the ring buffer's read and write pointers */
1089 		ring = &rdev->ring[ridx[i]];
1090 		WREG32_P(cp_rb_cntl[i], RB_RPTR_WR_ENA, ~RB_RPTR_WR_ENA);
1091 
1092 		ring->rptr = ring->wptr = 0;
1093 		WREG32(ring->rptr_reg, ring->rptr);
1094 		WREG32(ring->wptr_reg, ring->wptr);
1095 
1096 		mdelay(1);
1097 		WREG32_P(cp_rb_cntl[i], 0, ~RB_RPTR_WR_ENA);
1098 	}
1099 
1100 	/* start the rings */
1101 	cayman_cp_start(rdev);
1102 	rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = true;
1103 	rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false;
1104 	rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false;
1105 	/* this only test cp0 */
1106 	r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]);
1107 	if (r) {
1108 		rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
1109 		rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false;
1110 		rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false;
1111 		return r;
1112 	}
1113 
1114 	return 0;
1115 }
1116 
1117 static int cayman_gpu_soft_reset(struct radeon_device *rdev)
1118 {
1119 	struct evergreen_mc_save save;
1120 	u32 grbm_reset = 0;
1121 
1122 	if (!(RREG32(GRBM_STATUS) & GUI_ACTIVE))
1123 		return 0;
1124 
1125 	dev_info(rdev->dev, "GPU softreset \n");
1126 	dev_info(rdev->dev, "  GRBM_STATUS=0x%08X\n",
1127 		RREG32(GRBM_STATUS));
1128 	dev_info(rdev->dev, "  GRBM_STATUS_SE0=0x%08X\n",
1129 		RREG32(GRBM_STATUS_SE0));
1130 	dev_info(rdev->dev, "  GRBM_STATUS_SE1=0x%08X\n",
1131 		RREG32(GRBM_STATUS_SE1));
1132 	dev_info(rdev->dev, "  SRBM_STATUS=0x%08X\n",
1133 		RREG32(SRBM_STATUS));
1134 	dev_info(rdev->dev, "  R_008674_CP_STALLED_STAT1 = 0x%08X\n",
1135 		RREG32(CP_STALLED_STAT1));
1136 	dev_info(rdev->dev, "  R_008678_CP_STALLED_STAT2 = 0x%08X\n",
1137 		RREG32(CP_STALLED_STAT2));
1138 	dev_info(rdev->dev, "  R_00867C_CP_BUSY_STAT     = 0x%08X\n",
1139 		RREG32(CP_BUSY_STAT));
1140 	dev_info(rdev->dev, "  R_008680_CP_STAT          = 0x%08X\n",
1141 		RREG32(CP_STAT));
1142 	dev_info(rdev->dev, "  VM_CONTEXT0_PROTECTION_FAULT_ADDR   0x%08X\n",
1143 		 RREG32(0x14F8));
1144 	dev_info(rdev->dev, "  VM_CONTEXT0_PROTECTION_FAULT_STATUS 0x%08X\n",
1145 		 RREG32(0x14D8));
1146 	dev_info(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_ADDR   0x%08X\n",
1147 		 RREG32(0x14FC));
1148 	dev_info(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n",
1149 		 RREG32(0x14DC));
1150 
1151 	evergreen_mc_stop(rdev, &save);
1152 	if (evergreen_mc_wait_for_idle(rdev)) {
1153 		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1154 	}
1155 	/* Disable CP parsing/prefetching */
1156 	WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT);
1157 
1158 	/* reset all the gfx blocks */
1159 	grbm_reset = (SOFT_RESET_CP |
1160 		      SOFT_RESET_CB |
1161 		      SOFT_RESET_DB |
1162 		      SOFT_RESET_GDS |
1163 		      SOFT_RESET_PA |
1164 		      SOFT_RESET_SC |
1165 		      SOFT_RESET_SPI |
1166 		      SOFT_RESET_SH |
1167 		      SOFT_RESET_SX |
1168 		      SOFT_RESET_TC |
1169 		      SOFT_RESET_TA |
1170 		      SOFT_RESET_VGT |
1171 		      SOFT_RESET_IA);
1172 
1173 	dev_info(rdev->dev, "  GRBM_SOFT_RESET=0x%08X\n", grbm_reset);
1174 	WREG32(GRBM_SOFT_RESET, grbm_reset);
1175 	(void)RREG32(GRBM_SOFT_RESET);
1176 	udelay(50);
1177 	WREG32(GRBM_SOFT_RESET, 0);
1178 	(void)RREG32(GRBM_SOFT_RESET);
1179 	/* Wait a little for things to settle down */
1180 	udelay(50);
1181 
1182 	dev_info(rdev->dev, "  GRBM_STATUS=0x%08X\n",
1183 		RREG32(GRBM_STATUS));
1184 	dev_info(rdev->dev, "  GRBM_STATUS_SE0=0x%08X\n",
1185 		RREG32(GRBM_STATUS_SE0));
1186 	dev_info(rdev->dev, "  GRBM_STATUS_SE1=0x%08X\n",
1187 		RREG32(GRBM_STATUS_SE1));
1188 	dev_info(rdev->dev, "  SRBM_STATUS=0x%08X\n",
1189 		RREG32(SRBM_STATUS));
1190 	dev_info(rdev->dev, "  R_008674_CP_STALLED_STAT1 = 0x%08X\n",
1191 		RREG32(CP_STALLED_STAT1));
1192 	dev_info(rdev->dev, "  R_008678_CP_STALLED_STAT2 = 0x%08X\n",
1193 		RREG32(CP_STALLED_STAT2));
1194 	dev_info(rdev->dev, "  R_00867C_CP_BUSY_STAT     = 0x%08X\n",
1195 		RREG32(CP_BUSY_STAT));
1196 	dev_info(rdev->dev, "  R_008680_CP_STAT          = 0x%08X\n",
1197 		RREG32(CP_STAT));
1198 	evergreen_mc_resume(rdev, &save);
1199 	return 0;
1200 }
1201 
1202 int cayman_asic_reset(struct radeon_device *rdev)
1203 {
1204 	return cayman_gpu_soft_reset(rdev);
1205 }
1206 
1207 static int cayman_startup(struct radeon_device *rdev)
1208 {
1209 	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1210 	int r;
1211 
1212 	/* enable pcie gen2 link */
1213 	evergreen_pcie_gen2_enable(rdev);
1214 
1215 	if (rdev->flags & RADEON_IS_IGP) {
1216 		if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
1217 			r = ni_init_microcode(rdev);
1218 			if (r) {
1219 				DRM_ERROR("Failed to load firmware!\n");
1220 				return r;
1221 			}
1222 		}
1223 	} else {
1224 		if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw || !rdev->mc_fw) {
1225 			r = ni_init_microcode(rdev);
1226 			if (r) {
1227 				DRM_ERROR("Failed to load firmware!\n");
1228 				return r;
1229 			}
1230 		}
1231 
1232 		r = ni_mc_load_microcode(rdev);
1233 		if (r) {
1234 			DRM_ERROR("Failed to load MC firmware!\n");
1235 			return r;
1236 		}
1237 	}
1238 
1239 	r = r600_vram_scratch_init(rdev);
1240 	if (r)
1241 		return r;
1242 
1243 	evergreen_mc_program(rdev);
1244 	r = cayman_pcie_gart_enable(rdev);
1245 	if (r)
1246 		return r;
1247 	cayman_gpu_init(rdev);
1248 
1249 	r = evergreen_blit_init(rdev);
1250 	if (r) {
1251 		r600_blit_fini(rdev);
1252 		rdev->asic->copy.copy = NULL;
1253 		dev_warn(rdev->dev, "failed blitter (%d) falling back to memcpy\n", r);
1254 	}
1255 
1256 	/* allocate rlc buffers */
1257 	if (rdev->flags & RADEON_IS_IGP) {
1258 		r = si_rlc_init(rdev);
1259 		if (r) {
1260 			DRM_ERROR("Failed to init rlc BOs!\n");
1261 			return r;
1262 		}
1263 	}
1264 
1265 	/* allocate wb buffer */
1266 	r = radeon_wb_init(rdev);
1267 	if (r)
1268 		return r;
1269 
1270 	r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
1271 	if (r) {
1272 		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
1273 		return r;
1274 	}
1275 
1276 	r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_CP1_INDEX);
1277 	if (r) {
1278 		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
1279 		return r;
1280 	}
1281 
1282 	r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_CP2_INDEX);
1283 	if (r) {
1284 		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
1285 		return r;
1286 	}
1287 
1288 	/* Enable IRQ */
1289 	r = r600_irq_init(rdev);
1290 	if (r) {
1291 		DRM_ERROR("radeon: IH init failed (%d).\n", r);
1292 		radeon_irq_kms_fini(rdev);
1293 		return r;
1294 	}
1295 	evergreen_irq_set(rdev);
1296 
1297 	r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET,
1298 			     CP_RB0_RPTR, CP_RB0_WPTR,
1299 			     0, 0xfffff, RADEON_CP_PACKET2);
1300 	if (r)
1301 		return r;
1302 	r = cayman_cp_load_microcode(rdev);
1303 	if (r)
1304 		return r;
1305 	r = cayman_cp_resume(rdev);
1306 	if (r)
1307 		return r;
1308 
1309 	r = radeon_ib_pool_init(rdev);
1310 	if (r) {
1311 		dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
1312 		return r;
1313 	}
1314 
1315 	r = radeon_vm_manager_init(rdev);
1316 	if (r) {
1317 		dev_err(rdev->dev, "vm manager initialization failed (%d).\n", r);
1318 		return r;
1319 	}
1320 
1321 	r = r600_audio_init(rdev);
1322 	if (r)
1323 		return r;
1324 
1325 	return 0;
1326 }
1327 
1328 int cayman_resume(struct radeon_device *rdev)
1329 {
1330 	int r;
1331 
1332 	/* Do not reset GPU before posting, on rv770 hw unlike on r500 hw,
1333 	 * posting will perform necessary task to bring back GPU into good
1334 	 * shape.
1335 	 */
1336 	/* post card */
1337 	atom_asic_init(rdev->mode_info.atom_context);
1338 
1339 	rdev->accel_working = true;
1340 	r = cayman_startup(rdev);
1341 	if (r) {
1342 		DRM_ERROR("cayman startup failed on resume\n");
1343 		rdev->accel_working = false;
1344 		return r;
1345 	}
1346 	return r;
1347 }
1348 
1349 int cayman_suspend(struct radeon_device *rdev)
1350 {
1351 	r600_audio_fini(rdev);
1352 	cayman_cp_enable(rdev, false);
1353 	rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
1354 	evergreen_irq_suspend(rdev);
1355 	radeon_wb_disable(rdev);
1356 	cayman_pcie_gart_disable(rdev);
1357 	return 0;
1358 }
1359 
1360 /* Plan is to move initialization in that function and use
1361  * helper function so that radeon_device_init pretty much
1362  * do nothing more than calling asic specific function. This
1363  * should also allow to remove a bunch of callback function
1364  * like vram_info.
1365  */
1366 int cayman_init(struct radeon_device *rdev)
1367 {
1368 	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1369 	int r;
1370 
1371 	/* Read BIOS */
1372 	if (!radeon_get_bios(rdev)) {
1373 		if (ASIC_IS_AVIVO(rdev))
1374 			return -EINVAL;
1375 	}
1376 	/* Must be an ATOMBIOS */
1377 	if (!rdev->is_atom_bios) {
1378 		dev_err(rdev->dev, "Expecting atombios for cayman GPU\n");
1379 		return -EINVAL;
1380 	}
1381 	r = radeon_atombios_init(rdev);
1382 	if (r)
1383 		return r;
1384 
1385 	/* Post card if necessary */
1386 	if (!radeon_card_posted(rdev)) {
1387 		if (!rdev->bios) {
1388 			dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
1389 			return -EINVAL;
1390 		}
1391 		DRM_INFO("GPU not posted. posting now...\n");
1392 		atom_asic_init(rdev->mode_info.atom_context);
1393 	}
1394 	/* Initialize scratch registers */
1395 	r600_scratch_init(rdev);
1396 	/* Initialize surface registers */
1397 	radeon_surface_init(rdev);
1398 	/* Initialize clocks */
1399 	radeon_get_clock_info(rdev->ddev);
1400 	/* Fence driver */
1401 	r = radeon_fence_driver_init(rdev);
1402 	if (r)
1403 		return r;
1404 	/* initialize memory controller */
1405 	r = evergreen_mc_init(rdev);
1406 	if (r)
1407 		return r;
1408 	/* Memory manager */
1409 	r = radeon_bo_init(rdev);
1410 	if (r)
1411 		return r;
1412 
1413 	r = radeon_irq_kms_init(rdev);
1414 	if (r)
1415 		return r;
1416 
1417 	ring->ring_obj = NULL;
1418 	r600_ring_init(rdev, ring, 1024 * 1024);
1419 
1420 	rdev->ih.ring_obj = NULL;
1421 	r600_ih_ring_init(rdev, 64 * 1024);
1422 
1423 	r = r600_pcie_gart_init(rdev);
1424 	if (r)
1425 		return r;
1426 
1427 	rdev->accel_working = true;
1428 	r = cayman_startup(rdev);
1429 	if (r) {
1430 		dev_err(rdev->dev, "disabling GPU acceleration\n");
1431 		cayman_cp_fini(rdev);
1432 		r600_irq_fini(rdev);
1433 		if (rdev->flags & RADEON_IS_IGP)
1434 			si_rlc_fini(rdev);
1435 		radeon_wb_fini(rdev);
1436 		radeon_ib_pool_fini(rdev);
1437 		radeon_vm_manager_fini(rdev);
1438 		radeon_irq_kms_fini(rdev);
1439 		cayman_pcie_gart_fini(rdev);
1440 		rdev->accel_working = false;
1441 	}
1442 
1443 	/* Don't start up if the MC ucode is missing.
1444 	 * The default clocks and voltages before the MC ucode
1445 	 * is loaded are not suffient for advanced operations.
1446 	 *
1447 	 * We can skip this check for TN, because there is no MC
1448 	 * ucode.
1449 	 */
1450 	if (!rdev->mc_fw && !(rdev->flags & RADEON_IS_IGP)) {
1451 		DRM_ERROR("radeon: MC ucode required for NI+.\n");
1452 		return -EINVAL;
1453 	}
1454 
1455 	return 0;
1456 }
1457 
1458 void cayman_fini(struct radeon_device *rdev)
1459 {
1460 	r600_blit_fini(rdev);
1461 	cayman_cp_fini(rdev);
1462 	r600_irq_fini(rdev);
1463 	if (rdev->flags & RADEON_IS_IGP)
1464 		si_rlc_fini(rdev);
1465 	radeon_wb_fini(rdev);
1466 	radeon_vm_manager_fini(rdev);
1467 	radeon_ib_pool_fini(rdev);
1468 	radeon_irq_kms_fini(rdev);
1469 	cayman_pcie_gart_fini(rdev);
1470 	r600_vram_scratch_fini(rdev);
1471 	radeon_gem_fini(rdev);
1472 	radeon_fence_driver_fini(rdev);
1473 	radeon_bo_fini(rdev);
1474 	radeon_atombios_fini(rdev);
1475 	kfree(rdev->bios);
1476 	rdev->bios = NULL;
1477 }
1478 
1479 /*
1480  * vm
1481  */
1482 int cayman_vm_init(struct radeon_device *rdev)
1483 {
1484 	/* number of VMs */
1485 	rdev->vm_manager.nvm = 8;
1486 	/* base offset of vram pages */
1487 	if (rdev->flags & RADEON_IS_IGP) {
1488 		u64 tmp = RREG32(FUS_MC_VM_FB_OFFSET);
1489 		tmp <<= 22;
1490 		rdev->vm_manager.vram_base_offset = tmp;
1491 	} else
1492 		rdev->vm_manager.vram_base_offset = 0;
1493 	return 0;
1494 }
1495 
1496 void cayman_vm_fini(struct radeon_device *rdev)
1497 {
1498 }
1499 
1500 #define R600_PTE_VALID     (1 << 0)
1501 #define R600_PTE_SYSTEM    (1 << 1)
1502 #define R600_PTE_SNOOPED   (1 << 2)
1503 #define R600_PTE_READABLE  (1 << 5)
1504 #define R600_PTE_WRITEABLE (1 << 6)
1505 
1506 uint32_t cayman_vm_page_flags(struct radeon_device *rdev, uint32_t flags)
1507 {
1508 	uint32_t r600_flags = 0;
1509 
1510 	r600_flags |= (flags & RADEON_VM_PAGE_VALID) ? R600_PTE_VALID : 0;
1511 	r600_flags |= (flags & RADEON_VM_PAGE_READABLE) ? R600_PTE_READABLE : 0;
1512 	r600_flags |= (flags & RADEON_VM_PAGE_WRITEABLE) ? R600_PTE_WRITEABLE : 0;
1513 	if (flags & RADEON_VM_PAGE_SYSTEM) {
1514 		r600_flags |= R600_PTE_SYSTEM;
1515 		r600_flags |= (flags & RADEON_VM_PAGE_SNOOPED) ? R600_PTE_SNOOPED : 0;
1516 	}
1517 	return r600_flags;
1518 }
1519 
1520 void cayman_vm_set_page(struct radeon_device *rdev, struct radeon_vm *vm,
1521 			unsigned pfn, struct ttm_mem_reg *mem,
1522 			unsigned npages, uint32_t flags)
1523 {
1524 	struct radeon_ring *ring = &rdev->ring[rdev->asic->vm.pt_ring_index];
1525 	uint64_t addr, pt = vm->pt_gpu_addr + pfn * 8;
1526 	int i;
1527 
1528 	addr = flags = cayman_vm_page_flags(rdev, flags);
1529 
1530 	radeon_ring_write(ring, PACKET3(PACKET3_ME_WRITE, 1 + npages * 2));
1531 	radeon_ring_write(ring, pt & 0xffffffff);
1532 	radeon_ring_write(ring, (pt >> 32) & 0xff);
1533 	for (i = 0; i < npages; ++i) {
1534 		if (mem) {
1535 			addr = radeon_vm_get_addr(rdev, mem, i);
1536 			addr = addr & 0xFFFFFFFFFFFFF000ULL;
1537 			addr |= flags;
1538 		}
1539 		radeon_ring_write(ring, addr & 0xffffffff);
1540 		radeon_ring_write(ring, (addr >> 32) & 0xffffffff);
1541 	}
1542 }
1543 
1544 void cayman_vm_flush(struct radeon_device *rdev, struct radeon_ib *ib)
1545 {
1546 	struct radeon_ring *ring = &rdev->ring[ib->ring];
1547 	struct radeon_vm *vm = ib->vm;
1548 
1549 	if (vm == NULL)
1550 		return;
1551 
1552 	radeon_ring_write(ring, PACKET0(VM_CONTEXT0_PAGE_TABLE_START_ADDR + (vm->id << 2), 0));
1553 	radeon_ring_write(ring, 0);
1554 
1555 	radeon_ring_write(ring, PACKET0(VM_CONTEXT0_PAGE_TABLE_END_ADDR + (vm->id << 2), 0));
1556 	radeon_ring_write(ring, vm->last_pfn);
1557 
1558 	radeon_ring_write(ring, PACKET0(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (vm->id << 2), 0));
1559 	radeon_ring_write(ring, vm->pt_gpu_addr >> 12);
1560 
1561 	/* flush hdp cache */
1562 	radeon_ring_write(ring, PACKET0(HDP_MEM_COHERENCY_FLUSH_CNTL, 0));
1563 	radeon_ring_write(ring, 0x1);
1564 
1565 	/* bits 0-7 are the VM contexts0-7 */
1566 	radeon_ring_write(ring, PACKET0(VM_INVALIDATE_REQUEST, 0));
1567 	radeon_ring_write(ring, 1 << ib->vm->id);
1568 }
1569