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[mirror_ubuntu-artful-kernel.git] / drivers / gpu / drm / radeon / ni.c
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 if ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT)
578 rdev->config.cayman.tile_config |= 1 << 4;
579 else
580 rdev->config.cayman.tile_config |= 0 << 4;
581 }
582 rdev->config.cayman.tile_config |=
583 ((gb_addr_config & PIPE_INTERLEAVE_SIZE_MASK) >> PIPE_INTERLEAVE_SIZE_SHIFT) << 8;
584 rdev->config.cayman.tile_config |=
585 ((gb_addr_config & ROW_SIZE_MASK) >> ROW_SIZE_SHIFT) << 12;
586
587 tmp = 0;
588 for (i = (rdev->config.cayman.max_shader_engines - 1); i >= 0; i--) {
589 u32 rb_disable_bitmap;
590
591 WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
592 WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
593 rb_disable_bitmap = (RREG32(CC_RB_BACKEND_DISABLE) & 0x00ff0000) >> 16;
594 tmp <<= 4;
595 tmp |= rb_disable_bitmap;
596 }
597 /* enabled rb are just the one not disabled :) */
598 disabled_rb_mask = tmp;
599
600 WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_BROADCAST_WRITES);
601 WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_BROADCAST_WRITES);
602
603 WREG32(GB_ADDR_CONFIG, gb_addr_config);
604 WREG32(DMIF_ADDR_CONFIG, gb_addr_config);
605 WREG32(HDP_ADDR_CONFIG, gb_addr_config);
606
607 tmp = gb_addr_config & NUM_PIPES_MASK;
608 tmp = r6xx_remap_render_backend(rdev, tmp,
609 rdev->config.cayman.max_backends_per_se *
610 rdev->config.cayman.max_shader_engines,
611 CAYMAN_MAX_BACKENDS, disabled_rb_mask);
612 WREG32(GB_BACKEND_MAP, tmp);
613
614 cgts_tcc_disable = 0xffff0000;
615 for (i = 0; i < rdev->config.cayman.max_texture_channel_caches; i++)
616 cgts_tcc_disable &= ~(1 << (16 + i));
617 WREG32(CGTS_TCC_DISABLE, cgts_tcc_disable);
618 WREG32(CGTS_SYS_TCC_DISABLE, cgts_tcc_disable);
619 WREG32(CGTS_USER_SYS_TCC_DISABLE, cgts_tcc_disable);
620 WREG32(CGTS_USER_TCC_DISABLE, cgts_tcc_disable);
621
622 /* reprogram the shader complex */
623 cgts_sm_ctrl_reg = RREG32(CGTS_SM_CTRL_REG);
624 for (i = 0; i < 16; i++)
625 WREG32(CGTS_SM_CTRL_REG, OVERRIDE);
626 WREG32(CGTS_SM_CTRL_REG, cgts_sm_ctrl_reg);
627
628 /* set HW defaults for 3D engine */
629 WREG32(CP_MEQ_THRESHOLDS, MEQ1_START(0x30) | MEQ2_START(0x60));
630
631 sx_debug_1 = RREG32(SX_DEBUG_1);
632 sx_debug_1 |= ENABLE_NEW_SMX_ADDRESS;
633 WREG32(SX_DEBUG_1, sx_debug_1);
634
635 smx_dc_ctl0 = RREG32(SMX_DC_CTL0);
636 smx_dc_ctl0 &= ~NUMBER_OF_SETS(0x1ff);
637 smx_dc_ctl0 |= NUMBER_OF_SETS(rdev->config.cayman.sx_num_of_sets);
638 WREG32(SMX_DC_CTL0, smx_dc_ctl0);
639
640 WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(4) | CRC_SIMD_ID_WADDR_DISABLE);
641
642 /* need to be explicitly zero-ed */
643 WREG32(VGT_OFFCHIP_LDS_BASE, 0);
644 WREG32(SQ_LSTMP_RING_BASE, 0);
645 WREG32(SQ_HSTMP_RING_BASE, 0);
646 WREG32(SQ_ESTMP_RING_BASE, 0);
647 WREG32(SQ_GSTMP_RING_BASE, 0);
648 WREG32(SQ_VSTMP_RING_BASE, 0);
649 WREG32(SQ_PSTMP_RING_BASE, 0);
650
651 WREG32(TA_CNTL_AUX, DISABLE_CUBE_ANISO);
652
653 WREG32(SX_EXPORT_BUFFER_SIZES, (COLOR_BUFFER_SIZE((rdev->config.cayman.sx_max_export_size / 4) - 1) |
654 POSITION_BUFFER_SIZE((rdev->config.cayman.sx_max_export_pos_size / 4) - 1) |
655 SMX_BUFFER_SIZE((rdev->config.cayman.sx_max_export_smx_size / 4) - 1)));
656
657 WREG32(PA_SC_FIFO_SIZE, (SC_PRIM_FIFO_SIZE(rdev->config.cayman.sc_prim_fifo_size) |
658 SC_HIZ_TILE_FIFO_SIZE(rdev->config.cayman.sc_hiz_tile_fifo_size) |
659 SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.cayman.sc_earlyz_tile_fifo_size)));
660
661
662 WREG32(VGT_NUM_INSTANCES, 1);
663
664 WREG32(CP_PERFMON_CNTL, 0);
665
666 WREG32(SQ_MS_FIFO_SIZES, (CACHE_FIFO_SIZE(16 * rdev->config.cayman.sq_num_cf_insts) |
667 FETCH_FIFO_HIWATER(0x4) |
668 DONE_FIFO_HIWATER(0xe0) |
669 ALU_UPDATE_FIFO_HIWATER(0x8)));
670
671 WREG32(SQ_GPR_RESOURCE_MGMT_1, NUM_CLAUSE_TEMP_GPRS(4));
672 WREG32(SQ_CONFIG, (VC_ENABLE |
673 EXPORT_SRC_C |
674 GFX_PRIO(0) |
675 CS1_PRIO(0) |
676 CS2_PRIO(1)));
677 WREG32(SQ_DYN_GPR_CNTL_PS_FLUSH_REQ, DYN_GPR_ENABLE);
678
679 WREG32(PA_SC_FORCE_EOV_MAX_CNTS, (FORCE_EOV_MAX_CLK_CNT(4095) |
680 FORCE_EOV_MAX_REZ_CNT(255)));
681
682 WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(VC_AND_TC) |
683 AUTO_INVLD_EN(ES_AND_GS_AUTO));
684
685 WREG32(VGT_GS_VERTEX_REUSE, 16);
686 WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
687
688 WREG32(CB_PERF_CTR0_SEL_0, 0);
689 WREG32(CB_PERF_CTR0_SEL_1, 0);
690 WREG32(CB_PERF_CTR1_SEL_0, 0);
691 WREG32(CB_PERF_CTR1_SEL_1, 0);
692 WREG32(CB_PERF_CTR2_SEL_0, 0);
693 WREG32(CB_PERF_CTR2_SEL_1, 0);
694 WREG32(CB_PERF_CTR3_SEL_0, 0);
695 WREG32(CB_PERF_CTR3_SEL_1, 0);
696
697 tmp = RREG32(HDP_MISC_CNTL);
698 tmp |= HDP_FLUSH_INVALIDATE_CACHE;
699 WREG32(HDP_MISC_CNTL, tmp);
700
701 hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL);
702 WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
703
704 WREG32(PA_CL_ENHANCE, CLIP_VTX_REORDER_ENA | NUM_CLIP_SEQ(3));
705
706 udelay(50);
707 }
708
709 /*
710 * GART
711 */
712 void cayman_pcie_gart_tlb_flush(struct radeon_device *rdev)
713 {
714 /* flush hdp cache */
715 WREG32(HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
716
717 /* bits 0-7 are the VM contexts0-7 */
718 WREG32(VM_INVALIDATE_REQUEST, 1);
719 }
720
721 int cayman_pcie_gart_enable(struct radeon_device *rdev)
722 {
723 int i, r;
724
725 if (rdev->gart.robj == NULL) {
726 dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
727 return -EINVAL;
728 }
729 r = radeon_gart_table_vram_pin(rdev);
730 if (r)
731 return r;
732 radeon_gart_restore(rdev);
733 /* Setup TLB control */
734 WREG32(MC_VM_MX_L1_TLB_CNTL,
735 (0xA << 7) |
736 ENABLE_L1_TLB |
737 ENABLE_L1_FRAGMENT_PROCESSING |
738 SYSTEM_ACCESS_MODE_NOT_IN_SYS |
739 ENABLE_ADVANCED_DRIVER_MODEL |
740 SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU);
741 /* Setup L2 cache */
742 WREG32(VM_L2_CNTL, ENABLE_L2_CACHE |
743 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
744 ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE |
745 EFFECTIVE_L2_QUEUE_SIZE(7) |
746 CONTEXT1_IDENTITY_ACCESS_MODE(1));
747 WREG32(VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS | INVALIDATE_L2_CACHE);
748 WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY |
749 L2_CACHE_BIGK_FRAGMENT_SIZE(6));
750 /* setup context0 */
751 WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
752 WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
753 WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
754 WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
755 (u32)(rdev->dummy_page.addr >> 12));
756 WREG32(VM_CONTEXT0_CNTL2, 0);
757 WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
758 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
759
760 WREG32(0x15D4, 0);
761 WREG32(0x15D8, 0);
762 WREG32(0x15DC, 0);
763
764 /* empty context1-7 */
765 for (i = 1; i < 8; i++) {
766 WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR + (i << 2), 0);
767 WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR + (i << 2), 0);
768 WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (i << 2),
769 rdev->gart.table_addr >> 12);
770 }
771
772 /* enable context1-7 */
773 WREG32(VM_CONTEXT1_PROTECTION_FAULT_DEFAULT_ADDR,
774 (u32)(rdev->dummy_page.addr >> 12));
775 WREG32(VM_CONTEXT1_CNTL2, 0);
776 WREG32(VM_CONTEXT1_CNTL, 0);
777 WREG32(VM_CONTEXT1_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
778 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
779
780 cayman_pcie_gart_tlb_flush(rdev);
781 DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
782 (unsigned)(rdev->mc.gtt_size >> 20),
783 (unsigned long long)rdev->gart.table_addr);
784 rdev->gart.ready = true;
785 return 0;
786 }
787
788 void cayman_pcie_gart_disable(struct radeon_device *rdev)
789 {
790 /* Disable all tables */
791 WREG32(VM_CONTEXT0_CNTL, 0);
792 WREG32(VM_CONTEXT1_CNTL, 0);
793 /* Setup TLB control */
794 WREG32(MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_FRAGMENT_PROCESSING |
795 SYSTEM_ACCESS_MODE_NOT_IN_SYS |
796 SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU);
797 /* Setup L2 cache */
798 WREG32(VM_L2_CNTL, ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
799 ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE |
800 EFFECTIVE_L2_QUEUE_SIZE(7) |
801 CONTEXT1_IDENTITY_ACCESS_MODE(1));
802 WREG32(VM_L2_CNTL2, 0);
803 WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY |
804 L2_CACHE_BIGK_FRAGMENT_SIZE(6));
805 radeon_gart_table_vram_unpin(rdev);
806 }
807
808 void cayman_pcie_gart_fini(struct radeon_device *rdev)
809 {
810 cayman_pcie_gart_disable(rdev);
811 radeon_gart_table_vram_free(rdev);
812 radeon_gart_fini(rdev);
813 }
814
815 void cayman_cp_int_cntl_setup(struct radeon_device *rdev,
816 int ring, u32 cp_int_cntl)
817 {
818 u32 srbm_gfx_cntl = RREG32(SRBM_GFX_CNTL) & ~3;
819
820 WREG32(SRBM_GFX_CNTL, srbm_gfx_cntl | (ring & 3));
821 WREG32(CP_INT_CNTL, cp_int_cntl);
822 }
823
824 /*
825 * CP.
826 */
827 void cayman_fence_ring_emit(struct radeon_device *rdev,
828 struct radeon_fence *fence)
829 {
830 struct radeon_ring *ring = &rdev->ring[fence->ring];
831 u64 addr = rdev->fence_drv[fence->ring].gpu_addr;
832
833 /* flush read cache over gart for this vmid */
834 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
835 radeon_ring_write(ring, (CP_COHER_CNTL2 - PACKET3_SET_CONFIG_REG_START) >> 2);
836 radeon_ring_write(ring, 0);
837 radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
838 radeon_ring_write(ring, PACKET3_TC_ACTION_ENA | PACKET3_SH_ACTION_ENA);
839 radeon_ring_write(ring, 0xFFFFFFFF);
840 radeon_ring_write(ring, 0);
841 radeon_ring_write(ring, 10); /* poll interval */
842 /* EVENT_WRITE_EOP - flush caches, send int */
843 radeon_ring_write(ring, PACKET3(PACKET3_EVENT_WRITE_EOP, 4));
844 radeon_ring_write(ring, EVENT_TYPE(CACHE_FLUSH_AND_INV_EVENT_TS) | EVENT_INDEX(5));
845 radeon_ring_write(ring, addr & 0xffffffff);
846 radeon_ring_write(ring, (upper_32_bits(addr) & 0xff) | DATA_SEL(1) | INT_SEL(2));
847 radeon_ring_write(ring, fence->seq);
848 radeon_ring_write(ring, 0);
849 }
850
851 void cayman_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
852 {
853 struct radeon_ring *ring = &rdev->ring[ib->ring];
854
855 /* set to DX10/11 mode */
856 radeon_ring_write(ring, PACKET3(PACKET3_MODE_CONTROL, 0));
857 radeon_ring_write(ring, 1);
858
859 if (ring->rptr_save_reg) {
860 uint32_t next_rptr = ring->wptr + 3 + 4 + 8;
861 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
862 radeon_ring_write(ring, ((ring->rptr_save_reg -
863 PACKET3_SET_CONFIG_REG_START) >> 2));
864 radeon_ring_write(ring, next_rptr);
865 }
866
867 radeon_ring_write(ring, PACKET3(PACKET3_INDIRECT_BUFFER, 2));
868 radeon_ring_write(ring,
869 #ifdef __BIG_ENDIAN
870 (2 << 0) |
871 #endif
872 (ib->gpu_addr & 0xFFFFFFFC));
873 radeon_ring_write(ring, upper_32_bits(ib->gpu_addr) & 0xFF);
874 radeon_ring_write(ring, ib->length_dw | (ib->vm_id << 24));
875
876 /* flush read cache over gart for this vmid */
877 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
878 radeon_ring_write(ring, (CP_COHER_CNTL2 - PACKET3_SET_CONFIG_REG_START) >> 2);
879 radeon_ring_write(ring, ib->vm_id);
880 radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
881 radeon_ring_write(ring, PACKET3_TC_ACTION_ENA | PACKET3_SH_ACTION_ENA);
882 radeon_ring_write(ring, 0xFFFFFFFF);
883 radeon_ring_write(ring, 0);
884 radeon_ring_write(ring, 10); /* poll interval */
885 }
886
887 static void cayman_cp_enable(struct radeon_device *rdev, bool enable)
888 {
889 if (enable)
890 WREG32(CP_ME_CNTL, 0);
891 else {
892 radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
893 WREG32(CP_ME_CNTL, (CP_ME_HALT | CP_PFP_HALT));
894 WREG32(SCRATCH_UMSK, 0);
895 }
896 }
897
898 static int cayman_cp_load_microcode(struct radeon_device *rdev)
899 {
900 const __be32 *fw_data;
901 int i;
902
903 if (!rdev->me_fw || !rdev->pfp_fw)
904 return -EINVAL;
905
906 cayman_cp_enable(rdev, false);
907
908 fw_data = (const __be32 *)rdev->pfp_fw->data;
909 WREG32(CP_PFP_UCODE_ADDR, 0);
910 for (i = 0; i < CAYMAN_PFP_UCODE_SIZE; i++)
911 WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++));
912 WREG32(CP_PFP_UCODE_ADDR, 0);
913
914 fw_data = (const __be32 *)rdev->me_fw->data;
915 WREG32(CP_ME_RAM_WADDR, 0);
916 for (i = 0; i < CAYMAN_PM4_UCODE_SIZE; i++)
917 WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++));
918
919 WREG32(CP_PFP_UCODE_ADDR, 0);
920 WREG32(CP_ME_RAM_WADDR, 0);
921 WREG32(CP_ME_RAM_RADDR, 0);
922 return 0;
923 }
924
925 static int cayman_cp_start(struct radeon_device *rdev)
926 {
927 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
928 int r, i;
929
930 r = radeon_ring_lock(rdev, ring, 7);
931 if (r) {
932 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
933 return r;
934 }
935 radeon_ring_write(ring, PACKET3(PACKET3_ME_INITIALIZE, 5));
936 radeon_ring_write(ring, 0x1);
937 radeon_ring_write(ring, 0x0);
938 radeon_ring_write(ring, rdev->config.cayman.max_hw_contexts - 1);
939 radeon_ring_write(ring, PACKET3_ME_INITIALIZE_DEVICE_ID(1));
940 radeon_ring_write(ring, 0);
941 radeon_ring_write(ring, 0);
942 radeon_ring_unlock_commit(rdev, ring);
943
944 cayman_cp_enable(rdev, true);
945
946 r = radeon_ring_lock(rdev, ring, cayman_default_size + 19);
947 if (r) {
948 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
949 return r;
950 }
951
952 /* setup clear context state */
953 radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
954 radeon_ring_write(ring, PACKET3_PREAMBLE_BEGIN_CLEAR_STATE);
955
956 for (i = 0; i < cayman_default_size; i++)
957 radeon_ring_write(ring, cayman_default_state[i]);
958
959 radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
960 radeon_ring_write(ring, PACKET3_PREAMBLE_END_CLEAR_STATE);
961
962 /* set clear context state */
963 radeon_ring_write(ring, PACKET3(PACKET3_CLEAR_STATE, 0));
964 radeon_ring_write(ring, 0);
965
966 /* SQ_VTX_BASE_VTX_LOC */
967 radeon_ring_write(ring, 0xc0026f00);
968 radeon_ring_write(ring, 0x00000000);
969 radeon_ring_write(ring, 0x00000000);
970 radeon_ring_write(ring, 0x00000000);
971
972 /* Clear consts */
973 radeon_ring_write(ring, 0xc0036f00);
974 radeon_ring_write(ring, 0x00000bc4);
975 radeon_ring_write(ring, 0xffffffff);
976 radeon_ring_write(ring, 0xffffffff);
977 radeon_ring_write(ring, 0xffffffff);
978
979 radeon_ring_write(ring, 0xc0026900);
980 radeon_ring_write(ring, 0x00000316);
981 radeon_ring_write(ring, 0x0000000e); /* VGT_VERTEX_REUSE_BLOCK_CNTL */
982 radeon_ring_write(ring, 0x00000010); /* */
983
984 radeon_ring_unlock_commit(rdev, ring);
985
986 /* XXX init other rings */
987
988 return 0;
989 }
990
991 static void cayman_cp_fini(struct radeon_device *rdev)
992 {
993 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
994 cayman_cp_enable(rdev, false);
995 radeon_ring_fini(rdev, ring);
996 radeon_scratch_free(rdev, ring->rptr_save_reg);
997 }
998
999 int cayman_cp_resume(struct radeon_device *rdev)
1000 {
1001 static const int ridx[] = {
1002 RADEON_RING_TYPE_GFX_INDEX,
1003 CAYMAN_RING_TYPE_CP1_INDEX,
1004 CAYMAN_RING_TYPE_CP2_INDEX
1005 };
1006 static const unsigned cp_rb_cntl[] = {
1007 CP_RB0_CNTL,
1008 CP_RB1_CNTL,
1009 CP_RB2_CNTL,
1010 };
1011 static const unsigned cp_rb_rptr_addr[] = {
1012 CP_RB0_RPTR_ADDR,
1013 CP_RB1_RPTR_ADDR,
1014 CP_RB2_RPTR_ADDR
1015 };
1016 static const unsigned cp_rb_rptr_addr_hi[] = {
1017 CP_RB0_RPTR_ADDR_HI,
1018 CP_RB1_RPTR_ADDR_HI,
1019 CP_RB2_RPTR_ADDR_HI
1020 };
1021 static const unsigned cp_rb_base[] = {
1022 CP_RB0_BASE,
1023 CP_RB1_BASE,
1024 CP_RB2_BASE
1025 };
1026 struct radeon_ring *ring;
1027 int i, r;
1028
1029 /* Reset cp; if cp is reset, then PA, SH, VGT also need to be reset */
1030 WREG32(GRBM_SOFT_RESET, (SOFT_RESET_CP |
1031 SOFT_RESET_PA |
1032 SOFT_RESET_SH |
1033 SOFT_RESET_VGT |
1034 SOFT_RESET_SPI |
1035 SOFT_RESET_SX));
1036 RREG32(GRBM_SOFT_RESET);
1037 mdelay(15);
1038 WREG32(GRBM_SOFT_RESET, 0);
1039 RREG32(GRBM_SOFT_RESET);
1040
1041 WREG32(CP_SEM_WAIT_TIMER, 0x0);
1042 WREG32(CP_SEM_INCOMPLETE_TIMER_CNTL, 0x0);
1043
1044 /* Set the write pointer delay */
1045 WREG32(CP_RB_WPTR_DELAY, 0);
1046
1047 WREG32(CP_DEBUG, (1 << 27));
1048
1049 /* set the wb address wether it's enabled or not */
1050 WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF);
1051 WREG32(SCRATCH_UMSK, 0xff);
1052
1053 for (i = 0; i < 3; ++i) {
1054 uint32_t rb_cntl;
1055 uint64_t addr;
1056
1057 /* Set ring buffer size */
1058 ring = &rdev->ring[ridx[i]];
1059 rb_cntl = drm_order(ring->ring_size / 8);
1060 rb_cntl |= drm_order(RADEON_GPU_PAGE_SIZE/8) << 8;
1061 #ifdef __BIG_ENDIAN
1062 rb_cntl |= BUF_SWAP_32BIT;
1063 #endif
1064 WREG32(cp_rb_cntl[i], rb_cntl);
1065
1066 /* set the wb address wether it's enabled or not */
1067 addr = rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET;
1068 WREG32(cp_rb_rptr_addr[i], addr & 0xFFFFFFFC);
1069 WREG32(cp_rb_rptr_addr_hi[i], upper_32_bits(addr) & 0xFF);
1070 }
1071
1072 /* set the rb base addr, this causes an internal reset of ALL rings */
1073 for (i = 0; i < 3; ++i) {
1074 ring = &rdev->ring[ridx[i]];
1075 WREG32(cp_rb_base[i], ring->gpu_addr >> 8);
1076 }
1077
1078 for (i = 0; i < 3; ++i) {
1079 /* Initialize the ring buffer's read and write pointers */
1080 ring = &rdev->ring[ridx[i]];
1081 WREG32_P(cp_rb_cntl[i], RB_RPTR_WR_ENA, ~RB_RPTR_WR_ENA);
1082
1083 ring->rptr = ring->wptr = 0;
1084 WREG32(ring->rptr_reg, ring->rptr);
1085 WREG32(ring->wptr_reg, ring->wptr);
1086
1087 mdelay(1);
1088 WREG32_P(cp_rb_cntl[i], 0, ~RB_RPTR_WR_ENA);
1089 }
1090
1091 /* start the rings */
1092 cayman_cp_start(rdev);
1093 rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = true;
1094 rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false;
1095 rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false;
1096 /* this only test cp0 */
1097 r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]);
1098 if (r) {
1099 rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
1100 rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false;
1101 rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false;
1102 return r;
1103 }
1104
1105 return 0;
1106 }
1107
1108 static int cayman_gpu_soft_reset(struct radeon_device *rdev)
1109 {
1110 struct evergreen_mc_save save;
1111 u32 grbm_reset = 0;
1112
1113 if (!(RREG32(GRBM_STATUS) & GUI_ACTIVE))
1114 return 0;
1115
1116 dev_info(rdev->dev, "GPU softreset \n");
1117 dev_info(rdev->dev, " GRBM_STATUS=0x%08X\n",
1118 RREG32(GRBM_STATUS));
1119 dev_info(rdev->dev, " GRBM_STATUS_SE0=0x%08X\n",
1120 RREG32(GRBM_STATUS_SE0));
1121 dev_info(rdev->dev, " GRBM_STATUS_SE1=0x%08X\n",
1122 RREG32(GRBM_STATUS_SE1));
1123 dev_info(rdev->dev, " SRBM_STATUS=0x%08X\n",
1124 RREG32(SRBM_STATUS));
1125 dev_info(rdev->dev, " R_008674_CP_STALLED_STAT1 = 0x%08X\n",
1126 RREG32(CP_STALLED_STAT1));
1127 dev_info(rdev->dev, " R_008678_CP_STALLED_STAT2 = 0x%08X\n",
1128 RREG32(CP_STALLED_STAT2));
1129 dev_info(rdev->dev, " R_00867C_CP_BUSY_STAT = 0x%08X\n",
1130 RREG32(CP_BUSY_STAT));
1131 dev_info(rdev->dev, " R_008680_CP_STAT = 0x%08X\n",
1132 RREG32(CP_STAT));
1133 dev_info(rdev->dev, " VM_CONTEXT0_PROTECTION_FAULT_ADDR 0x%08X\n",
1134 RREG32(0x14F8));
1135 dev_info(rdev->dev, " VM_CONTEXT0_PROTECTION_FAULT_STATUS 0x%08X\n",
1136 RREG32(0x14D8));
1137 dev_info(rdev->dev, " VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x%08X\n",
1138 RREG32(0x14FC));
1139 dev_info(rdev->dev, " VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n",
1140 RREG32(0x14DC));
1141
1142 evergreen_mc_stop(rdev, &save);
1143 if (evergreen_mc_wait_for_idle(rdev)) {
1144 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1145 }
1146 /* Disable CP parsing/prefetching */
1147 WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT);
1148
1149 /* reset all the gfx blocks */
1150 grbm_reset = (SOFT_RESET_CP |
1151 SOFT_RESET_CB |
1152 SOFT_RESET_DB |
1153 SOFT_RESET_GDS |
1154 SOFT_RESET_PA |
1155 SOFT_RESET_SC |
1156 SOFT_RESET_SPI |
1157 SOFT_RESET_SH |
1158 SOFT_RESET_SX |
1159 SOFT_RESET_TC |
1160 SOFT_RESET_TA |
1161 SOFT_RESET_VGT |
1162 SOFT_RESET_IA);
1163
1164 dev_info(rdev->dev, " GRBM_SOFT_RESET=0x%08X\n", grbm_reset);
1165 WREG32(GRBM_SOFT_RESET, grbm_reset);
1166 (void)RREG32(GRBM_SOFT_RESET);
1167 udelay(50);
1168 WREG32(GRBM_SOFT_RESET, 0);
1169 (void)RREG32(GRBM_SOFT_RESET);
1170 /* Wait a little for things to settle down */
1171 udelay(50);
1172
1173 dev_info(rdev->dev, " GRBM_STATUS=0x%08X\n",
1174 RREG32(GRBM_STATUS));
1175 dev_info(rdev->dev, " GRBM_STATUS_SE0=0x%08X\n",
1176 RREG32(GRBM_STATUS_SE0));
1177 dev_info(rdev->dev, " GRBM_STATUS_SE1=0x%08X\n",
1178 RREG32(GRBM_STATUS_SE1));
1179 dev_info(rdev->dev, " SRBM_STATUS=0x%08X\n",
1180 RREG32(SRBM_STATUS));
1181 dev_info(rdev->dev, " R_008674_CP_STALLED_STAT1 = 0x%08X\n",
1182 RREG32(CP_STALLED_STAT1));
1183 dev_info(rdev->dev, " R_008678_CP_STALLED_STAT2 = 0x%08X\n",
1184 RREG32(CP_STALLED_STAT2));
1185 dev_info(rdev->dev, " R_00867C_CP_BUSY_STAT = 0x%08X\n",
1186 RREG32(CP_BUSY_STAT));
1187 dev_info(rdev->dev, " R_008680_CP_STAT = 0x%08X\n",
1188 RREG32(CP_STAT));
1189 evergreen_mc_resume(rdev, &save);
1190 return 0;
1191 }
1192
1193 int cayman_asic_reset(struct radeon_device *rdev)
1194 {
1195 return cayman_gpu_soft_reset(rdev);
1196 }
1197
1198 static int cayman_startup(struct radeon_device *rdev)
1199 {
1200 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1201 int r;
1202
1203 /* enable pcie gen2 link */
1204 evergreen_pcie_gen2_enable(rdev);
1205
1206 if (rdev->flags & RADEON_IS_IGP) {
1207 if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
1208 r = ni_init_microcode(rdev);
1209 if (r) {
1210 DRM_ERROR("Failed to load firmware!\n");
1211 return r;
1212 }
1213 }
1214 } else {
1215 if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw || !rdev->mc_fw) {
1216 r = ni_init_microcode(rdev);
1217 if (r) {
1218 DRM_ERROR("Failed to load firmware!\n");
1219 return r;
1220 }
1221 }
1222
1223 r = ni_mc_load_microcode(rdev);
1224 if (r) {
1225 DRM_ERROR("Failed to load MC firmware!\n");
1226 return r;
1227 }
1228 }
1229
1230 r = r600_vram_scratch_init(rdev);
1231 if (r)
1232 return r;
1233
1234 evergreen_mc_program(rdev);
1235 r = cayman_pcie_gart_enable(rdev);
1236 if (r)
1237 return r;
1238 cayman_gpu_init(rdev);
1239
1240 r = evergreen_blit_init(rdev);
1241 if (r) {
1242 r600_blit_fini(rdev);
1243 rdev->asic->copy.copy = NULL;
1244 dev_warn(rdev->dev, "failed blitter (%d) falling back to memcpy\n", r);
1245 }
1246
1247 /* allocate rlc buffers */
1248 if (rdev->flags & RADEON_IS_IGP) {
1249 r = si_rlc_init(rdev);
1250 if (r) {
1251 DRM_ERROR("Failed to init rlc BOs!\n");
1252 return r;
1253 }
1254 }
1255
1256 /* allocate wb buffer */
1257 r = radeon_wb_init(rdev);
1258 if (r)
1259 return r;
1260
1261 r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
1262 if (r) {
1263 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
1264 return r;
1265 }
1266
1267 r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_CP1_INDEX);
1268 if (r) {
1269 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
1270 return r;
1271 }
1272
1273 r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_CP2_INDEX);
1274 if (r) {
1275 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
1276 return r;
1277 }
1278
1279 /* Enable IRQ */
1280 r = r600_irq_init(rdev);
1281 if (r) {
1282 DRM_ERROR("radeon: IH init failed (%d).\n", r);
1283 radeon_irq_kms_fini(rdev);
1284 return r;
1285 }
1286 evergreen_irq_set(rdev);
1287
1288 r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET,
1289 CP_RB0_RPTR, CP_RB0_WPTR,
1290 0, 0xfffff, RADEON_CP_PACKET2);
1291 if (r)
1292 return r;
1293 r = cayman_cp_load_microcode(rdev);
1294 if (r)
1295 return r;
1296 r = cayman_cp_resume(rdev);
1297 if (r)
1298 return r;
1299
1300 r = radeon_ib_pool_init(rdev);
1301 if (r) {
1302 dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
1303 return r;
1304 }
1305
1306 r = radeon_vm_manager_init(rdev);
1307 if (r) {
1308 dev_err(rdev->dev, "vm manager initialization failed (%d).\n", r);
1309 return r;
1310 }
1311
1312 r = r600_audio_init(rdev);
1313 if (r)
1314 return r;
1315
1316 return 0;
1317 }
1318
1319 int cayman_resume(struct radeon_device *rdev)
1320 {
1321 int r;
1322
1323 /* Do not reset GPU before posting, on rv770 hw unlike on r500 hw,
1324 * posting will perform necessary task to bring back GPU into good
1325 * shape.
1326 */
1327 /* post card */
1328 atom_asic_init(rdev->mode_info.atom_context);
1329
1330 rdev->accel_working = true;
1331 r = cayman_startup(rdev);
1332 if (r) {
1333 DRM_ERROR("cayman startup failed on resume\n");
1334 rdev->accel_working = false;
1335 return r;
1336 }
1337 return r;
1338 }
1339
1340 int cayman_suspend(struct radeon_device *rdev)
1341 {
1342 r600_audio_fini(rdev);
1343 cayman_cp_enable(rdev, false);
1344 rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
1345 evergreen_irq_suspend(rdev);
1346 radeon_wb_disable(rdev);
1347 cayman_pcie_gart_disable(rdev);
1348 return 0;
1349 }
1350
1351 /* Plan is to move initialization in that function and use
1352 * helper function so that radeon_device_init pretty much
1353 * do nothing more than calling asic specific function. This
1354 * should also allow to remove a bunch of callback function
1355 * like vram_info.
1356 */
1357 int cayman_init(struct radeon_device *rdev)
1358 {
1359 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1360 int r;
1361
1362 /* Read BIOS */
1363 if (!radeon_get_bios(rdev)) {
1364 if (ASIC_IS_AVIVO(rdev))
1365 return -EINVAL;
1366 }
1367 /* Must be an ATOMBIOS */
1368 if (!rdev->is_atom_bios) {
1369 dev_err(rdev->dev, "Expecting atombios for cayman GPU\n");
1370 return -EINVAL;
1371 }
1372 r = radeon_atombios_init(rdev);
1373 if (r)
1374 return r;
1375
1376 /* Post card if necessary */
1377 if (!radeon_card_posted(rdev)) {
1378 if (!rdev->bios) {
1379 dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
1380 return -EINVAL;
1381 }
1382 DRM_INFO("GPU not posted. posting now...\n");
1383 atom_asic_init(rdev->mode_info.atom_context);
1384 }
1385 /* Initialize scratch registers */
1386 r600_scratch_init(rdev);
1387 /* Initialize surface registers */
1388 radeon_surface_init(rdev);
1389 /* Initialize clocks */
1390 radeon_get_clock_info(rdev->ddev);
1391 /* Fence driver */
1392 r = radeon_fence_driver_init(rdev);
1393 if (r)
1394 return r;
1395 /* initialize memory controller */
1396 r = evergreen_mc_init(rdev);
1397 if (r)
1398 return r;
1399 /* Memory manager */
1400 r = radeon_bo_init(rdev);
1401 if (r)
1402 return r;
1403
1404 r = radeon_irq_kms_init(rdev);
1405 if (r)
1406 return r;
1407
1408 ring->ring_obj = NULL;
1409 r600_ring_init(rdev, ring, 1024 * 1024);
1410
1411 rdev->ih.ring_obj = NULL;
1412 r600_ih_ring_init(rdev, 64 * 1024);
1413
1414 r = r600_pcie_gart_init(rdev);
1415 if (r)
1416 return r;
1417
1418 rdev->accel_working = true;
1419 r = cayman_startup(rdev);
1420 if (r) {
1421 dev_err(rdev->dev, "disabling GPU acceleration\n");
1422 cayman_cp_fini(rdev);
1423 r600_irq_fini(rdev);
1424 if (rdev->flags & RADEON_IS_IGP)
1425 si_rlc_fini(rdev);
1426 radeon_wb_fini(rdev);
1427 radeon_ib_pool_fini(rdev);
1428 radeon_vm_manager_fini(rdev);
1429 radeon_irq_kms_fini(rdev);
1430 cayman_pcie_gart_fini(rdev);
1431 rdev->accel_working = false;
1432 }
1433
1434 /* Don't start up if the MC ucode is missing.
1435 * The default clocks and voltages before the MC ucode
1436 * is loaded are not suffient for advanced operations.
1437 *
1438 * We can skip this check for TN, because there is no MC
1439 * ucode.
1440 */
1441 if (!rdev->mc_fw && !(rdev->flags & RADEON_IS_IGP)) {
1442 DRM_ERROR("radeon: MC ucode required for NI+.\n");
1443 return -EINVAL;
1444 }
1445
1446 return 0;
1447 }
1448
1449 void cayman_fini(struct radeon_device *rdev)
1450 {
1451 r600_blit_fini(rdev);
1452 cayman_cp_fini(rdev);
1453 r600_irq_fini(rdev);
1454 if (rdev->flags & RADEON_IS_IGP)
1455 si_rlc_fini(rdev);
1456 radeon_wb_fini(rdev);
1457 radeon_vm_manager_fini(rdev);
1458 radeon_ib_pool_fini(rdev);
1459 radeon_irq_kms_fini(rdev);
1460 cayman_pcie_gart_fini(rdev);
1461 r600_vram_scratch_fini(rdev);
1462 radeon_gem_fini(rdev);
1463 radeon_fence_driver_fini(rdev);
1464 radeon_bo_fini(rdev);
1465 radeon_atombios_fini(rdev);
1466 kfree(rdev->bios);
1467 rdev->bios = NULL;
1468 }
1469
1470 /*
1471 * vm
1472 */
1473 int cayman_vm_init(struct radeon_device *rdev)
1474 {
1475 /* number of VMs */
1476 rdev->vm_manager.nvm = 8;
1477 /* base offset of vram pages */
1478 if (rdev->flags & RADEON_IS_IGP) {
1479 u64 tmp = RREG32(FUS_MC_VM_FB_OFFSET);
1480 tmp <<= 22;
1481 rdev->vm_manager.vram_base_offset = tmp;
1482 } else
1483 rdev->vm_manager.vram_base_offset = 0;
1484 return 0;
1485 }
1486
1487 void cayman_vm_fini(struct radeon_device *rdev)
1488 {
1489 }
1490
1491 int cayman_vm_bind(struct radeon_device *rdev, struct radeon_vm *vm, int id)
1492 {
1493 WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR + (id << 2), 0);
1494 WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR + (id << 2), vm->last_pfn);
1495 WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (id << 2), vm->pt_gpu_addr >> 12);
1496 /* flush hdp cache */
1497 WREG32(HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
1498 /* bits 0-7 are the VM contexts0-7 */
1499 WREG32(VM_INVALIDATE_REQUEST, 1 << id);
1500 return 0;
1501 }
1502
1503 void cayman_vm_unbind(struct radeon_device *rdev, struct radeon_vm *vm)
1504 {
1505 WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR + (vm->id << 2), 0);
1506 WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR + (vm->id << 2), 0);
1507 WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (vm->id << 2), 0);
1508 /* flush hdp cache */
1509 WREG32(HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
1510 /* bits 0-7 are the VM contexts0-7 */
1511 WREG32(VM_INVALIDATE_REQUEST, 1 << vm->id);
1512 }
1513
1514 void cayman_vm_tlb_flush(struct radeon_device *rdev, struct radeon_vm *vm)
1515 {
1516 if (vm->id == -1)
1517 return;
1518
1519 /* flush hdp cache */
1520 WREG32(HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
1521 /* bits 0-7 are the VM contexts0-7 */
1522 WREG32(VM_INVALIDATE_REQUEST, 1 << vm->id);
1523 }
1524
1525 #define R600_PTE_VALID (1 << 0)
1526 #define R600_PTE_SYSTEM (1 << 1)
1527 #define R600_PTE_SNOOPED (1 << 2)
1528 #define R600_PTE_READABLE (1 << 5)
1529 #define R600_PTE_WRITEABLE (1 << 6)
1530
1531 uint32_t cayman_vm_page_flags(struct radeon_device *rdev,
1532 struct radeon_vm *vm,
1533 uint32_t flags)
1534 {
1535 uint32_t r600_flags = 0;
1536
1537 r600_flags |= (flags & RADEON_VM_PAGE_VALID) ? R600_PTE_VALID : 0;
1538 r600_flags |= (flags & RADEON_VM_PAGE_READABLE) ? R600_PTE_READABLE : 0;
1539 r600_flags |= (flags & RADEON_VM_PAGE_WRITEABLE) ? R600_PTE_WRITEABLE : 0;
1540 if (flags & RADEON_VM_PAGE_SYSTEM) {
1541 r600_flags |= R600_PTE_SYSTEM;
1542 r600_flags |= (flags & RADEON_VM_PAGE_SNOOPED) ? R600_PTE_SNOOPED : 0;
1543 }
1544 return r600_flags;
1545 }
1546
1547 void cayman_vm_set_page(struct radeon_device *rdev, struct radeon_vm *vm,
1548 unsigned pfn, uint64_t addr, uint32_t flags)
1549 {
1550 void __iomem *ptr = (void *)vm->pt;
1551
1552 addr = addr & 0xFFFFFFFFFFFFF000ULL;
1553 addr |= flags;
1554 writeq(addr, ptr + (pfn * 8));
1555 }
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