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 25 #include <linux/firmware.h> 26 #include <linux/module.h> 27 #include <linux/pci.h> 28 #include <linux/slab.h> 29 30 #include <drm/radeon_drm.h> 31 32 #include "atom.h" 33 #include "cayman_blit_shaders.h" 34 #include "clearstate_cayman.h" 35 #include "ni_reg.h" 36 #include "nid.h" 37 #include "radeon.h" 38 #include "radeon_asic.h" 39 #include "radeon_audio.h" 40 #include "radeon_ucode.h" 41 42 /* 43 * Indirect registers accessor 44 */ 45 u32 tn_smc_rreg(struct radeon_device *rdev, u32 reg) 46 { 47 unsigned long flags; 48 u32 r; 49 50 spin_lock_irqsave(&rdev->smc_idx_lock, flags); 51 WREG32(TN_SMC_IND_INDEX_0, (reg)); 52 r = RREG32(TN_SMC_IND_DATA_0); 53 spin_unlock_irqrestore(&rdev->smc_idx_lock, flags); 54 return r; 55 } 56 57 void tn_smc_wreg(struct radeon_device *rdev, u32 reg, u32 v) 58 { 59 unsigned long flags; 60 61 spin_lock_irqsave(&rdev->smc_idx_lock, flags); 62 WREG32(TN_SMC_IND_INDEX_0, (reg)); 63 WREG32(TN_SMC_IND_DATA_0, (v)); 64 spin_unlock_irqrestore(&rdev->smc_idx_lock, flags); 65 } 66 67 static const u32 tn_rlc_save_restore_register_list[] = 68 { 69 0x98fc, 70 0x98f0, 71 0x9834, 72 0x9838, 73 0x9870, 74 0x9874, 75 0x8a14, 76 0x8b24, 77 0x8bcc, 78 0x8b10, 79 0x8c30, 80 0x8d00, 81 0x8d04, 82 0x8c00, 83 0x8c04, 84 0x8c10, 85 0x8c14, 86 0x8d8c, 87 0x8cf0, 88 0x8e38, 89 0x9508, 90 0x9688, 91 0x9608, 92 0x960c, 93 0x9610, 94 0x9614, 95 0x88c4, 96 0x8978, 97 0x88d4, 98 0x900c, 99 0x9100, 100 0x913c, 101 0x90e8, 102 0x9354, 103 0xa008, 104 0x98f8, 105 0x9148, 106 0x914c, 107 0x3f94, 108 0x98f4, 109 0x9b7c, 110 0x3f8c, 111 0x8950, 112 0x8954, 113 0x8a18, 114 0x8b28, 115 0x9144, 116 0x3f90, 117 0x915c, 118 0x9160, 119 0x9178, 120 0x917c, 121 0x9180, 122 0x918c, 123 0x9190, 124 0x9194, 125 0x9198, 126 0x919c, 127 0x91a8, 128 0x91ac, 129 0x91b0, 130 0x91b4, 131 0x91b8, 132 0x91c4, 133 0x91c8, 134 0x91cc, 135 0x91d0, 136 0x91d4, 137 0x91e0, 138 0x91e4, 139 0x91ec, 140 0x91f0, 141 0x91f4, 142 0x9200, 143 0x9204, 144 0x929c, 145 0x8030, 146 0x9150, 147 0x9a60, 148 0x920c, 149 0x9210, 150 0x9228, 151 0x922c, 152 0x9244, 153 0x9248, 154 0x91e8, 155 0x9294, 156 0x9208, 157 0x9224, 158 0x9240, 159 0x9220, 160 0x923c, 161 0x9258, 162 0x9744, 163 0xa200, 164 0xa204, 165 0xa208, 166 0xa20c, 167 0x8d58, 168 0x9030, 169 0x9034, 170 0x9038, 171 0x903c, 172 0x9040, 173 0x9654, 174 0x897c, 175 0xa210, 176 0xa214, 177 0x9868, 178 0xa02c, 179 0x9664, 180 0x9698, 181 0x949c, 182 0x8e10, 183 0x8e18, 184 0x8c50, 185 0x8c58, 186 0x8c60, 187 0x8c68, 188 0x89b4, 189 0x9830, 190 0x802c, 191 }; 192 193 extern bool evergreen_is_display_hung(struct radeon_device *rdev); 194 extern void evergreen_print_gpu_status_regs(struct radeon_device *rdev); 195 extern void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *save); 196 extern void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *save); 197 extern int evergreen_mc_wait_for_idle(struct radeon_device *rdev); 198 extern void evergreen_mc_program(struct radeon_device *rdev); 199 extern void evergreen_irq_suspend(struct radeon_device *rdev); 200 extern int evergreen_mc_init(struct radeon_device *rdev); 201 extern void evergreen_fix_pci_max_read_req_size(struct radeon_device *rdev); 202 extern void evergreen_pcie_gen2_enable(struct radeon_device *rdev); 203 extern void evergreen_program_aspm(struct radeon_device *rdev); 204 extern void sumo_rlc_fini(struct radeon_device *rdev); 205 extern int sumo_rlc_init(struct radeon_device *rdev); 206 extern void evergreen_gpu_pci_config_reset(struct radeon_device *rdev); 207 208 /* Firmware Names */ 209 MODULE_FIRMWARE("radeon/BARTS_pfp.bin"); 210 MODULE_FIRMWARE("radeon/BARTS_me.bin"); 211 MODULE_FIRMWARE("radeon/BARTS_mc.bin"); 212 MODULE_FIRMWARE("radeon/BARTS_smc.bin"); 213 MODULE_FIRMWARE("radeon/BTC_rlc.bin"); 214 MODULE_FIRMWARE("radeon/TURKS_pfp.bin"); 215 MODULE_FIRMWARE("radeon/TURKS_me.bin"); 216 MODULE_FIRMWARE("radeon/TURKS_mc.bin"); 217 MODULE_FIRMWARE("radeon/TURKS_smc.bin"); 218 MODULE_FIRMWARE("radeon/CAICOS_pfp.bin"); 219 MODULE_FIRMWARE("radeon/CAICOS_me.bin"); 220 MODULE_FIRMWARE("radeon/CAICOS_mc.bin"); 221 MODULE_FIRMWARE("radeon/CAICOS_smc.bin"); 222 MODULE_FIRMWARE("radeon/CAYMAN_pfp.bin"); 223 MODULE_FIRMWARE("radeon/CAYMAN_me.bin"); 224 MODULE_FIRMWARE("radeon/CAYMAN_mc.bin"); 225 MODULE_FIRMWARE("radeon/CAYMAN_rlc.bin"); 226 MODULE_FIRMWARE("radeon/CAYMAN_smc.bin"); 227 MODULE_FIRMWARE("radeon/ARUBA_pfp.bin"); 228 MODULE_FIRMWARE("radeon/ARUBA_me.bin"); 229 MODULE_FIRMWARE("radeon/ARUBA_rlc.bin"); 230 231 232 static const u32 cayman_golden_registers2[] = 233 { 234 0x3e5c, 0xffffffff, 0x00000000, 235 0x3e48, 0xffffffff, 0x00000000, 236 0x3e4c, 0xffffffff, 0x00000000, 237 0x3e64, 0xffffffff, 0x00000000, 238 0x3e50, 0xffffffff, 0x00000000, 239 0x3e60, 0xffffffff, 0x00000000 240 }; 241 242 static const u32 cayman_golden_registers[] = 243 { 244 0x5eb4, 0xffffffff, 0x00000002, 245 0x5e78, 0x8f311ff1, 0x001000f0, 246 0x3f90, 0xffff0000, 0xff000000, 247 0x9148, 0xffff0000, 0xff000000, 248 0x3f94, 0xffff0000, 0xff000000, 249 0x914c, 0xffff0000, 0xff000000, 250 0xc78, 0x00000080, 0x00000080, 251 0xbd4, 0x70073777, 0x00011003, 252 0xd02c, 0xbfffff1f, 0x08421000, 253 0xd0b8, 0x73773777, 0x02011003, 254 0x5bc0, 0x00200000, 0x50100000, 255 0x98f8, 0x33773777, 0x02011003, 256 0x98fc, 0xffffffff, 0x76541032, 257 0x7030, 0x31000311, 0x00000011, 258 0x2f48, 0x33773777, 0x42010001, 259 0x6b28, 0x00000010, 0x00000012, 260 0x7728, 0x00000010, 0x00000012, 261 0x10328, 0x00000010, 0x00000012, 262 0x10f28, 0x00000010, 0x00000012, 263 0x11b28, 0x00000010, 0x00000012, 264 0x12728, 0x00000010, 0x00000012, 265 0x240c, 0x000007ff, 0x00000000, 266 0x8a14, 0xf000001f, 0x00000007, 267 0x8b24, 0x3fff3fff, 0x00ff0fff, 268 0x8b10, 0x0000ff0f, 0x00000000, 269 0x28a4c, 0x07ffffff, 0x06000000, 270 0x10c, 0x00000001, 0x00010003, 271 0xa02c, 0xffffffff, 0x0000009b, 272 0x913c, 0x0000010f, 0x01000100, 273 0x8c04, 0xf8ff00ff, 0x40600060, 274 0x28350, 0x00000f01, 0x00000000, 275 0x9508, 0x3700001f, 0x00000002, 276 0x960c, 0xffffffff, 0x54763210, 277 0x88c4, 0x001f3ae3, 0x00000082, 278 0x88d0, 0xffffffff, 0x0f40df40, 279 0x88d4, 0x0000001f, 0x00000010, 280 0x8974, 0xffffffff, 0x00000000 281 }; 282 283 static const u32 dvst_golden_registers2[] = 284 { 285 0x8f8, 0xffffffff, 0, 286 0x8fc, 0x00380000, 0, 287 0x8f8, 0xffffffff, 1, 288 0x8fc, 0x0e000000, 0 289 }; 290 291 static const u32 dvst_golden_registers[] = 292 { 293 0x690, 0x3fff3fff, 0x20c00033, 294 0x918c, 0x0fff0fff, 0x00010006, 295 0x91a8, 0x0fff0fff, 0x00010006, 296 0x9150, 0xffffdfff, 0x6e944040, 297 0x917c, 0x0fff0fff, 0x00030002, 298 0x9198, 0x0fff0fff, 0x00030002, 299 0x915c, 0x0fff0fff, 0x00010000, 300 0x3f90, 0xffff0001, 0xff000000, 301 0x9178, 0x0fff0fff, 0x00070000, 302 0x9194, 0x0fff0fff, 0x00070000, 303 0x9148, 0xffff0001, 0xff000000, 304 0x9190, 0x0fff0fff, 0x00090008, 305 0x91ac, 0x0fff0fff, 0x00090008, 306 0x3f94, 0xffff0000, 0xff000000, 307 0x914c, 0xffff0000, 0xff000000, 308 0x929c, 0x00000fff, 0x00000001, 309 0x55e4, 0xff607fff, 0xfc000100, 310 0x8a18, 0xff000fff, 0x00000100, 311 0x8b28, 0xff000fff, 0x00000100, 312 0x9144, 0xfffc0fff, 0x00000100, 313 0x6ed8, 0x00010101, 0x00010000, 314 0x9830, 0xffffffff, 0x00000000, 315 0x9834, 0xf00fffff, 0x00000400, 316 0x9838, 0xfffffffe, 0x00000000, 317 0xd0c0, 0xff000fff, 0x00000100, 318 0xd02c, 0xbfffff1f, 0x08421000, 319 0xd0b8, 0x73773777, 0x12010001, 320 0x5bb0, 0x000000f0, 0x00000070, 321 0x98f8, 0x73773777, 0x12010001, 322 0x98fc, 0xffffffff, 0x00000010, 323 0x9b7c, 0x00ff0000, 0x00fc0000, 324 0x8030, 0x00001f0f, 0x0000100a, 325 0x2f48, 0x73773777, 0x12010001, 326 0x2408, 0x00030000, 0x000c007f, 327 0x8a14, 0xf000003f, 0x00000007, 328 0x8b24, 0x3fff3fff, 0x00ff0fff, 329 0x8b10, 0x0000ff0f, 0x00000000, 330 0x28a4c, 0x07ffffff, 0x06000000, 331 0x4d8, 0x00000fff, 0x00000100, 332 0xa008, 0xffffffff, 0x00010000, 333 0x913c, 0xffff03ff, 0x01000100, 334 0x8c00, 0x000000ff, 0x00000003, 335 0x8c04, 0xf8ff00ff, 0x40600060, 336 0x8cf0, 0x1fff1fff, 0x08e00410, 337 0x28350, 0x00000f01, 0x00000000, 338 0x9508, 0xf700071f, 0x00000002, 339 0x960c, 0xffffffff, 0x54763210, 340 0x20ef8, 0x01ff01ff, 0x00000002, 341 0x20e98, 0xfffffbff, 0x00200000, 342 0x2015c, 0xffffffff, 0x00000f40, 343 0x88c4, 0x001f3ae3, 0x00000082, 344 0x8978, 0x3fffffff, 0x04050140, 345 0x88d4, 0x0000001f, 0x00000010, 346 0x8974, 0xffffffff, 0x00000000 347 }; 348 349 static const u32 scrapper_golden_registers[] = 350 { 351 0x690, 0x3fff3fff, 0x20c00033, 352 0x918c, 0x0fff0fff, 0x00010006, 353 0x918c, 0x0fff0fff, 0x00010006, 354 0x91a8, 0x0fff0fff, 0x00010006, 355 0x91a8, 0x0fff0fff, 0x00010006, 356 0x9150, 0xffffdfff, 0x6e944040, 357 0x9150, 0xffffdfff, 0x6e944040, 358 0x917c, 0x0fff0fff, 0x00030002, 359 0x917c, 0x0fff0fff, 0x00030002, 360 0x9198, 0x0fff0fff, 0x00030002, 361 0x9198, 0x0fff0fff, 0x00030002, 362 0x915c, 0x0fff0fff, 0x00010000, 363 0x915c, 0x0fff0fff, 0x00010000, 364 0x3f90, 0xffff0001, 0xff000000, 365 0x3f90, 0xffff0001, 0xff000000, 366 0x9178, 0x0fff0fff, 0x00070000, 367 0x9178, 0x0fff0fff, 0x00070000, 368 0x9194, 0x0fff0fff, 0x00070000, 369 0x9194, 0x0fff0fff, 0x00070000, 370 0x9148, 0xffff0001, 0xff000000, 371 0x9148, 0xffff0001, 0xff000000, 372 0x9190, 0x0fff0fff, 0x00090008, 373 0x9190, 0x0fff0fff, 0x00090008, 374 0x91ac, 0x0fff0fff, 0x00090008, 375 0x91ac, 0x0fff0fff, 0x00090008, 376 0x3f94, 0xffff0000, 0xff000000, 377 0x3f94, 0xffff0000, 0xff000000, 378 0x914c, 0xffff0000, 0xff000000, 379 0x914c, 0xffff0000, 0xff000000, 380 0x929c, 0x00000fff, 0x00000001, 381 0x929c, 0x00000fff, 0x00000001, 382 0x55e4, 0xff607fff, 0xfc000100, 383 0x8a18, 0xff000fff, 0x00000100, 384 0x8a18, 0xff000fff, 0x00000100, 385 0x8b28, 0xff000fff, 0x00000100, 386 0x8b28, 0xff000fff, 0x00000100, 387 0x9144, 0xfffc0fff, 0x00000100, 388 0x9144, 0xfffc0fff, 0x00000100, 389 0x6ed8, 0x00010101, 0x00010000, 390 0x9830, 0xffffffff, 0x00000000, 391 0x9830, 0xffffffff, 0x00000000, 392 0x9834, 0xf00fffff, 0x00000400, 393 0x9834, 0xf00fffff, 0x00000400, 394 0x9838, 0xfffffffe, 0x00000000, 395 0x9838, 0xfffffffe, 0x00000000, 396 0xd0c0, 0xff000fff, 0x00000100, 397 0xd02c, 0xbfffff1f, 0x08421000, 398 0xd02c, 0xbfffff1f, 0x08421000, 399 0xd0b8, 0x73773777, 0x12010001, 400 0xd0b8, 0x73773777, 0x12010001, 401 0x5bb0, 0x000000f0, 0x00000070, 402 0x98f8, 0x73773777, 0x12010001, 403 0x98f8, 0x73773777, 0x12010001, 404 0x98fc, 0xffffffff, 0x00000010, 405 0x98fc, 0xffffffff, 0x00000010, 406 0x9b7c, 0x00ff0000, 0x00fc0000, 407 0x9b7c, 0x00ff0000, 0x00fc0000, 408 0x8030, 0x00001f0f, 0x0000100a, 409 0x8030, 0x00001f0f, 0x0000100a, 410 0x2f48, 0x73773777, 0x12010001, 411 0x2f48, 0x73773777, 0x12010001, 412 0x2408, 0x00030000, 0x000c007f, 413 0x8a14, 0xf000003f, 0x00000007, 414 0x8a14, 0xf000003f, 0x00000007, 415 0x8b24, 0x3fff3fff, 0x00ff0fff, 416 0x8b24, 0x3fff3fff, 0x00ff0fff, 417 0x8b10, 0x0000ff0f, 0x00000000, 418 0x8b10, 0x0000ff0f, 0x00000000, 419 0x28a4c, 0x07ffffff, 0x06000000, 420 0x28a4c, 0x07ffffff, 0x06000000, 421 0x4d8, 0x00000fff, 0x00000100, 422 0x4d8, 0x00000fff, 0x00000100, 423 0xa008, 0xffffffff, 0x00010000, 424 0xa008, 0xffffffff, 0x00010000, 425 0x913c, 0xffff03ff, 0x01000100, 426 0x913c, 0xffff03ff, 0x01000100, 427 0x90e8, 0x001fffff, 0x010400c0, 428 0x8c00, 0x000000ff, 0x00000003, 429 0x8c00, 0x000000ff, 0x00000003, 430 0x8c04, 0xf8ff00ff, 0x40600060, 431 0x8c04, 0xf8ff00ff, 0x40600060, 432 0x8c30, 0x0000000f, 0x00040005, 433 0x8cf0, 0x1fff1fff, 0x08e00410, 434 0x8cf0, 0x1fff1fff, 0x08e00410, 435 0x900c, 0x00ffffff, 0x0017071f, 436 0x28350, 0x00000f01, 0x00000000, 437 0x28350, 0x00000f01, 0x00000000, 438 0x9508, 0xf700071f, 0x00000002, 439 0x9508, 0xf700071f, 0x00000002, 440 0x9688, 0x00300000, 0x0017000f, 441 0x960c, 0xffffffff, 0x54763210, 442 0x960c, 0xffffffff, 0x54763210, 443 0x20ef8, 0x01ff01ff, 0x00000002, 444 0x20e98, 0xfffffbff, 0x00200000, 445 0x2015c, 0xffffffff, 0x00000f40, 446 0x88c4, 0x001f3ae3, 0x00000082, 447 0x88c4, 0x001f3ae3, 0x00000082, 448 0x8978, 0x3fffffff, 0x04050140, 449 0x8978, 0x3fffffff, 0x04050140, 450 0x88d4, 0x0000001f, 0x00000010, 451 0x88d4, 0x0000001f, 0x00000010, 452 0x8974, 0xffffffff, 0x00000000, 453 0x8974, 0xffffffff, 0x00000000 454 }; 455 456 static void ni_init_golden_registers(struct radeon_device *rdev) 457 { 458 switch (rdev->family) { 459 case CHIP_CAYMAN: 460 radeon_program_register_sequence(rdev, 461 cayman_golden_registers, 462 (const u32)ARRAY_SIZE(cayman_golden_registers)); 463 radeon_program_register_sequence(rdev, 464 cayman_golden_registers2, 465 (const u32)ARRAY_SIZE(cayman_golden_registers2)); 466 break; 467 case CHIP_ARUBA: 468 if ((rdev->pdev->device == 0x9900) || 469 (rdev->pdev->device == 0x9901) || 470 (rdev->pdev->device == 0x9903) || 471 (rdev->pdev->device == 0x9904) || 472 (rdev->pdev->device == 0x9905) || 473 (rdev->pdev->device == 0x9906) || 474 (rdev->pdev->device == 0x9907) || 475 (rdev->pdev->device == 0x9908) || 476 (rdev->pdev->device == 0x9909) || 477 (rdev->pdev->device == 0x990A) || 478 (rdev->pdev->device == 0x990B) || 479 (rdev->pdev->device == 0x990C) || 480 (rdev->pdev->device == 0x990D) || 481 (rdev->pdev->device == 0x990E) || 482 (rdev->pdev->device == 0x990F) || 483 (rdev->pdev->device == 0x9910) || 484 (rdev->pdev->device == 0x9913) || 485 (rdev->pdev->device == 0x9917) || 486 (rdev->pdev->device == 0x9918)) { 487 radeon_program_register_sequence(rdev, 488 dvst_golden_registers, 489 (const u32)ARRAY_SIZE(dvst_golden_registers)); 490 radeon_program_register_sequence(rdev, 491 dvst_golden_registers2, 492 (const u32)ARRAY_SIZE(dvst_golden_registers2)); 493 } else { 494 radeon_program_register_sequence(rdev, 495 scrapper_golden_registers, 496 (const u32)ARRAY_SIZE(scrapper_golden_registers)); 497 radeon_program_register_sequence(rdev, 498 dvst_golden_registers2, 499 (const u32)ARRAY_SIZE(dvst_golden_registers2)); 500 } 501 break; 502 default: 503 break; 504 } 505 } 506 507 #define BTC_IO_MC_REGS_SIZE 29 508 509 static const u32 barts_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = { 510 {0x00000077, 0xff010100}, 511 {0x00000078, 0x00000000}, 512 {0x00000079, 0x00001434}, 513 {0x0000007a, 0xcc08ec08}, 514 {0x0000007b, 0x00040000}, 515 {0x0000007c, 0x000080c0}, 516 {0x0000007d, 0x09000000}, 517 {0x0000007e, 0x00210404}, 518 {0x00000081, 0x08a8e800}, 519 {0x00000082, 0x00030444}, 520 {0x00000083, 0x00000000}, 521 {0x00000085, 0x00000001}, 522 {0x00000086, 0x00000002}, 523 {0x00000087, 0x48490000}, 524 {0x00000088, 0x20244647}, 525 {0x00000089, 0x00000005}, 526 {0x0000008b, 0x66030000}, 527 {0x0000008c, 0x00006603}, 528 {0x0000008d, 0x00000100}, 529 {0x0000008f, 0x00001c0a}, 530 {0x00000090, 0xff000001}, 531 {0x00000094, 0x00101101}, 532 {0x00000095, 0x00000fff}, 533 {0x00000096, 0x00116fff}, 534 {0x00000097, 0x60010000}, 535 {0x00000098, 0x10010000}, 536 {0x00000099, 0x00006000}, 537 {0x0000009a, 0x00001000}, 538 {0x0000009f, 0x00946a00} 539 }; 540 541 static const u32 turks_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = { 542 {0x00000077, 0xff010100}, 543 {0x00000078, 0x00000000}, 544 {0x00000079, 0x00001434}, 545 {0x0000007a, 0xcc08ec08}, 546 {0x0000007b, 0x00040000}, 547 {0x0000007c, 0x000080c0}, 548 {0x0000007d, 0x09000000}, 549 {0x0000007e, 0x00210404}, 550 {0x00000081, 0x08a8e800}, 551 {0x00000082, 0x00030444}, 552 {0x00000083, 0x00000000}, 553 {0x00000085, 0x00000001}, 554 {0x00000086, 0x00000002}, 555 {0x00000087, 0x48490000}, 556 {0x00000088, 0x20244647}, 557 {0x00000089, 0x00000005}, 558 {0x0000008b, 0x66030000}, 559 {0x0000008c, 0x00006603}, 560 {0x0000008d, 0x00000100}, 561 {0x0000008f, 0x00001c0a}, 562 {0x00000090, 0xff000001}, 563 {0x00000094, 0x00101101}, 564 {0x00000095, 0x00000fff}, 565 {0x00000096, 0x00116fff}, 566 {0x00000097, 0x60010000}, 567 {0x00000098, 0x10010000}, 568 {0x00000099, 0x00006000}, 569 {0x0000009a, 0x00001000}, 570 {0x0000009f, 0x00936a00} 571 }; 572 573 static const u32 caicos_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = { 574 {0x00000077, 0xff010100}, 575 {0x00000078, 0x00000000}, 576 {0x00000079, 0x00001434}, 577 {0x0000007a, 0xcc08ec08}, 578 {0x0000007b, 0x00040000}, 579 {0x0000007c, 0x000080c0}, 580 {0x0000007d, 0x09000000}, 581 {0x0000007e, 0x00210404}, 582 {0x00000081, 0x08a8e800}, 583 {0x00000082, 0x00030444}, 584 {0x00000083, 0x00000000}, 585 {0x00000085, 0x00000001}, 586 {0x00000086, 0x00000002}, 587 {0x00000087, 0x48490000}, 588 {0x00000088, 0x20244647}, 589 {0x00000089, 0x00000005}, 590 {0x0000008b, 0x66030000}, 591 {0x0000008c, 0x00006603}, 592 {0x0000008d, 0x00000100}, 593 {0x0000008f, 0x00001c0a}, 594 {0x00000090, 0xff000001}, 595 {0x00000094, 0x00101101}, 596 {0x00000095, 0x00000fff}, 597 {0x00000096, 0x00116fff}, 598 {0x00000097, 0x60010000}, 599 {0x00000098, 0x10010000}, 600 {0x00000099, 0x00006000}, 601 {0x0000009a, 0x00001000}, 602 {0x0000009f, 0x00916a00} 603 }; 604 605 static const u32 cayman_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = { 606 {0x00000077, 0xff010100}, 607 {0x00000078, 0x00000000}, 608 {0x00000079, 0x00001434}, 609 {0x0000007a, 0xcc08ec08}, 610 {0x0000007b, 0x00040000}, 611 {0x0000007c, 0x000080c0}, 612 {0x0000007d, 0x09000000}, 613 {0x0000007e, 0x00210404}, 614 {0x00000081, 0x08a8e800}, 615 {0x00000082, 0x00030444}, 616 {0x00000083, 0x00000000}, 617 {0x00000085, 0x00000001}, 618 {0x00000086, 0x00000002}, 619 {0x00000087, 0x48490000}, 620 {0x00000088, 0x20244647}, 621 {0x00000089, 0x00000005}, 622 {0x0000008b, 0x66030000}, 623 {0x0000008c, 0x00006603}, 624 {0x0000008d, 0x00000100}, 625 {0x0000008f, 0x00001c0a}, 626 {0x00000090, 0xff000001}, 627 {0x00000094, 0x00101101}, 628 {0x00000095, 0x00000fff}, 629 {0x00000096, 0x00116fff}, 630 {0x00000097, 0x60010000}, 631 {0x00000098, 0x10010000}, 632 {0x00000099, 0x00006000}, 633 {0x0000009a, 0x00001000}, 634 {0x0000009f, 0x00976b00} 635 }; 636 637 int ni_mc_load_microcode(struct radeon_device *rdev) 638 { 639 const __be32 *fw_data; 640 u32 mem_type, running, blackout = 0; 641 u32 *io_mc_regs; 642 int i, ucode_size, regs_size; 643 644 if (!rdev->mc_fw) 645 return -EINVAL; 646 647 switch (rdev->family) { 648 case CHIP_BARTS: 649 io_mc_regs = (u32 *)&barts_io_mc_regs; 650 ucode_size = BTC_MC_UCODE_SIZE; 651 regs_size = BTC_IO_MC_REGS_SIZE; 652 break; 653 case CHIP_TURKS: 654 io_mc_regs = (u32 *)&turks_io_mc_regs; 655 ucode_size = BTC_MC_UCODE_SIZE; 656 regs_size = BTC_IO_MC_REGS_SIZE; 657 break; 658 case CHIP_CAICOS: 659 default: 660 io_mc_regs = (u32 *)&caicos_io_mc_regs; 661 ucode_size = BTC_MC_UCODE_SIZE; 662 regs_size = BTC_IO_MC_REGS_SIZE; 663 break; 664 case CHIP_CAYMAN: 665 io_mc_regs = (u32 *)&cayman_io_mc_regs; 666 ucode_size = CAYMAN_MC_UCODE_SIZE; 667 regs_size = BTC_IO_MC_REGS_SIZE; 668 break; 669 } 670 671 mem_type = (RREG32(MC_SEQ_MISC0) & MC_SEQ_MISC0_GDDR5_MASK) >> MC_SEQ_MISC0_GDDR5_SHIFT; 672 running = RREG32(MC_SEQ_SUP_CNTL) & RUN_MASK; 673 674 if ((mem_type == MC_SEQ_MISC0_GDDR5_VALUE) && (running == 0)) { 675 if (running) { 676 blackout = RREG32(MC_SHARED_BLACKOUT_CNTL); 677 WREG32(MC_SHARED_BLACKOUT_CNTL, 1); 678 } 679 680 /* reset the engine and set to writable */ 681 WREG32(MC_SEQ_SUP_CNTL, 0x00000008); 682 WREG32(MC_SEQ_SUP_CNTL, 0x00000010); 683 684 /* load mc io regs */ 685 for (i = 0; i < regs_size; i++) { 686 WREG32(MC_SEQ_IO_DEBUG_INDEX, io_mc_regs[(i << 1)]); 687 WREG32(MC_SEQ_IO_DEBUG_DATA, io_mc_regs[(i << 1) + 1]); 688 } 689 /* load the MC ucode */ 690 fw_data = (const __be32 *)rdev->mc_fw->data; 691 for (i = 0; i < ucode_size; i++) 692 WREG32(MC_SEQ_SUP_PGM, be32_to_cpup(fw_data++)); 693 694 /* put the engine back into the active state */ 695 WREG32(MC_SEQ_SUP_CNTL, 0x00000008); 696 WREG32(MC_SEQ_SUP_CNTL, 0x00000004); 697 WREG32(MC_SEQ_SUP_CNTL, 0x00000001); 698 699 /* wait for training to complete */ 700 for (i = 0; i < rdev->usec_timeout; i++) { 701 if (RREG32(MC_IO_PAD_CNTL_D0) & MEM_FALL_OUT_CMD) 702 break; 703 udelay(1); 704 } 705 706 if (running) 707 WREG32(MC_SHARED_BLACKOUT_CNTL, blackout); 708 } 709 710 return 0; 711 } 712 713 int ni_init_microcode(struct radeon_device *rdev) 714 { 715 const char *chip_name; 716 const char *rlc_chip_name; 717 size_t pfp_req_size, me_req_size, rlc_req_size, mc_req_size; 718 size_t smc_req_size = 0; 719 char fw_name[30]; 720 int err; 721 722 DRM_DEBUG("\n"); 723 724 switch (rdev->family) { 725 case CHIP_BARTS: 726 chip_name = "BARTS"; 727 rlc_chip_name = "BTC"; 728 pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4; 729 me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4; 730 rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4; 731 mc_req_size = BTC_MC_UCODE_SIZE * 4; 732 smc_req_size = ALIGN(BARTS_SMC_UCODE_SIZE, 4); 733 break; 734 case CHIP_TURKS: 735 chip_name = "TURKS"; 736 rlc_chip_name = "BTC"; 737 pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4; 738 me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4; 739 rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4; 740 mc_req_size = BTC_MC_UCODE_SIZE * 4; 741 smc_req_size = ALIGN(TURKS_SMC_UCODE_SIZE, 4); 742 break; 743 case CHIP_CAICOS: 744 chip_name = "CAICOS"; 745 rlc_chip_name = "BTC"; 746 pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4; 747 me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4; 748 rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4; 749 mc_req_size = BTC_MC_UCODE_SIZE * 4; 750 smc_req_size = ALIGN(CAICOS_SMC_UCODE_SIZE, 4); 751 break; 752 case CHIP_CAYMAN: 753 chip_name = "CAYMAN"; 754 rlc_chip_name = "CAYMAN"; 755 pfp_req_size = CAYMAN_PFP_UCODE_SIZE * 4; 756 me_req_size = CAYMAN_PM4_UCODE_SIZE * 4; 757 rlc_req_size = CAYMAN_RLC_UCODE_SIZE * 4; 758 mc_req_size = CAYMAN_MC_UCODE_SIZE * 4; 759 smc_req_size = ALIGN(CAYMAN_SMC_UCODE_SIZE, 4); 760 break; 761 case CHIP_ARUBA: 762 chip_name = "ARUBA"; 763 rlc_chip_name = "ARUBA"; 764 /* pfp/me same size as CAYMAN */ 765 pfp_req_size = CAYMAN_PFP_UCODE_SIZE * 4; 766 me_req_size = CAYMAN_PM4_UCODE_SIZE * 4; 767 rlc_req_size = ARUBA_RLC_UCODE_SIZE * 4; 768 mc_req_size = 0; 769 break; 770 default: BUG(); 771 } 772 773 DRM_INFO("Loading %s Microcode\n", chip_name); 774 775 snprintf(fw_name, sizeof(fw_name), "radeon/%s_pfp.bin", chip_name); 776 err = request_firmware(&rdev->pfp_fw, fw_name, rdev->dev); 777 if (err) 778 goto out; 779 if (rdev->pfp_fw->size != pfp_req_size) { 780 pr_err("ni_cp: Bogus length %zu in firmware \"%s\"\n", 781 rdev->pfp_fw->size, fw_name); 782 err = -EINVAL; 783 goto out; 784 } 785 786 snprintf(fw_name, sizeof(fw_name), "radeon/%s_me.bin", chip_name); 787 err = request_firmware(&rdev->me_fw, fw_name, rdev->dev); 788 if (err) 789 goto out; 790 if (rdev->me_fw->size != me_req_size) { 791 pr_err("ni_cp: Bogus length %zu in firmware \"%s\"\n", 792 rdev->me_fw->size, fw_name); 793 err = -EINVAL; 794 } 795 796 snprintf(fw_name, sizeof(fw_name), "radeon/%s_rlc.bin", rlc_chip_name); 797 err = request_firmware(&rdev->rlc_fw, fw_name, rdev->dev); 798 if (err) 799 goto out; 800 if (rdev->rlc_fw->size != rlc_req_size) { 801 pr_err("ni_rlc: Bogus length %zu in firmware \"%s\"\n", 802 rdev->rlc_fw->size, fw_name); 803 err = -EINVAL; 804 } 805 806 /* no MC ucode on TN */ 807 if (!(rdev->flags & RADEON_IS_IGP)) { 808 snprintf(fw_name, sizeof(fw_name), "radeon/%s_mc.bin", chip_name); 809 err = request_firmware(&rdev->mc_fw, fw_name, rdev->dev); 810 if (err) 811 goto out; 812 if (rdev->mc_fw->size != mc_req_size) { 813 pr_err("ni_mc: Bogus length %zu in firmware \"%s\"\n", 814 rdev->mc_fw->size, fw_name); 815 err = -EINVAL; 816 } 817 } 818 819 if ((rdev->family >= CHIP_BARTS) && (rdev->family <= CHIP_CAYMAN)) { 820 snprintf(fw_name, sizeof(fw_name), "radeon/%s_smc.bin", chip_name); 821 err = request_firmware(&rdev->smc_fw, fw_name, rdev->dev); 822 if (err) { 823 pr_err("smc: error loading firmware \"%s\"\n", fw_name); 824 release_firmware(rdev->smc_fw); 825 rdev->smc_fw = NULL; 826 err = 0; 827 } else if (rdev->smc_fw->size != smc_req_size) { 828 pr_err("ni_mc: Bogus length %zu in firmware \"%s\"\n", 829 rdev->mc_fw->size, fw_name); 830 err = -EINVAL; 831 } 832 } 833 834 out: 835 if (err) { 836 if (err != -EINVAL) 837 pr_err("ni_cp: Failed to load firmware \"%s\"\n", 838 fw_name); 839 release_firmware(rdev->pfp_fw); 840 rdev->pfp_fw = NULL; 841 release_firmware(rdev->me_fw); 842 rdev->me_fw = NULL; 843 release_firmware(rdev->rlc_fw); 844 rdev->rlc_fw = NULL; 845 release_firmware(rdev->mc_fw); 846 rdev->mc_fw = NULL; 847 } 848 return err; 849 } 850 851 /** 852 * cayman_get_allowed_info_register - fetch the register for the info ioctl 853 * 854 * @rdev: radeon_device pointer 855 * @reg: register offset in bytes 856 * @val: register value 857 * 858 * Returns 0 for success or -EINVAL for an invalid register 859 * 860 */ 861 int cayman_get_allowed_info_register(struct radeon_device *rdev, 862 u32 reg, u32 *val) 863 { 864 switch (reg) { 865 case GRBM_STATUS: 866 case GRBM_STATUS_SE0: 867 case GRBM_STATUS_SE1: 868 case SRBM_STATUS: 869 case SRBM_STATUS2: 870 case (DMA_STATUS_REG + DMA0_REGISTER_OFFSET): 871 case (DMA_STATUS_REG + DMA1_REGISTER_OFFSET): 872 case UVD_STATUS: 873 *val = RREG32(reg); 874 return 0; 875 default: 876 return -EINVAL; 877 } 878 } 879 880 int tn_get_temp(struct radeon_device *rdev) 881 { 882 u32 temp = RREG32_SMC(TN_CURRENT_GNB_TEMP) & 0x7ff; 883 int actual_temp = (temp / 8) - 49; 884 885 return actual_temp * 1000; 886 } 887 888 /* 889 * Core functions 890 */ 891 static void cayman_gpu_init(struct radeon_device *rdev) 892 { 893 u32 gb_addr_config = 0; 894 u32 mc_arb_ramcfg; 895 u32 cgts_tcc_disable; 896 u32 sx_debug_1; 897 u32 smx_dc_ctl0; 898 u32 cgts_sm_ctrl_reg; 899 u32 hdp_host_path_cntl; 900 u32 tmp; 901 u32 disabled_rb_mask; 902 int i, j; 903 904 switch (rdev->family) { 905 case CHIP_CAYMAN: 906 rdev->config.cayman.max_shader_engines = 2; 907 rdev->config.cayman.max_pipes_per_simd = 4; 908 rdev->config.cayman.max_tile_pipes = 8; 909 rdev->config.cayman.max_simds_per_se = 12; 910 rdev->config.cayman.max_backends_per_se = 4; 911 rdev->config.cayman.max_texture_channel_caches = 8; 912 rdev->config.cayman.max_gprs = 256; 913 rdev->config.cayman.max_threads = 256; 914 rdev->config.cayman.max_gs_threads = 32; 915 rdev->config.cayman.max_stack_entries = 512; 916 rdev->config.cayman.sx_num_of_sets = 8; 917 rdev->config.cayman.sx_max_export_size = 256; 918 rdev->config.cayman.sx_max_export_pos_size = 64; 919 rdev->config.cayman.sx_max_export_smx_size = 192; 920 rdev->config.cayman.max_hw_contexts = 8; 921 rdev->config.cayman.sq_num_cf_insts = 2; 922 923 rdev->config.cayman.sc_prim_fifo_size = 0x100; 924 rdev->config.cayman.sc_hiz_tile_fifo_size = 0x30; 925 rdev->config.cayman.sc_earlyz_tile_fifo_size = 0x130; 926 gb_addr_config = CAYMAN_GB_ADDR_CONFIG_GOLDEN; 927 break; 928 case CHIP_ARUBA: 929 default: 930 rdev->config.cayman.max_shader_engines = 1; 931 rdev->config.cayman.max_pipes_per_simd = 4; 932 rdev->config.cayman.max_tile_pipes = 2; 933 if ((rdev->pdev->device == 0x9900) || 934 (rdev->pdev->device == 0x9901) || 935 (rdev->pdev->device == 0x9905) || 936 (rdev->pdev->device == 0x9906) || 937 (rdev->pdev->device == 0x9907) || 938 (rdev->pdev->device == 0x9908) || 939 (rdev->pdev->device == 0x9909) || 940 (rdev->pdev->device == 0x990B) || 941 (rdev->pdev->device == 0x990C) || 942 (rdev->pdev->device == 0x990F) || 943 (rdev->pdev->device == 0x9910) || 944 (rdev->pdev->device == 0x9917) || 945 (rdev->pdev->device == 0x9999) || 946 (rdev->pdev->device == 0x999C)) { 947 rdev->config.cayman.max_simds_per_se = 6; 948 rdev->config.cayman.max_backends_per_se = 2; 949 rdev->config.cayman.max_hw_contexts = 8; 950 rdev->config.cayman.sx_max_export_size = 256; 951 rdev->config.cayman.sx_max_export_pos_size = 64; 952 rdev->config.cayman.sx_max_export_smx_size = 192; 953 } else if ((rdev->pdev->device == 0x9903) || 954 (rdev->pdev->device == 0x9904) || 955 (rdev->pdev->device == 0x990A) || 956 (rdev->pdev->device == 0x990D) || 957 (rdev->pdev->device == 0x990E) || 958 (rdev->pdev->device == 0x9913) || 959 (rdev->pdev->device == 0x9918) || 960 (rdev->pdev->device == 0x999D)) { 961 rdev->config.cayman.max_simds_per_se = 4; 962 rdev->config.cayman.max_backends_per_se = 2; 963 rdev->config.cayman.max_hw_contexts = 8; 964 rdev->config.cayman.sx_max_export_size = 256; 965 rdev->config.cayman.sx_max_export_pos_size = 64; 966 rdev->config.cayman.sx_max_export_smx_size = 192; 967 } else if ((rdev->pdev->device == 0x9919) || 968 (rdev->pdev->device == 0x9990) || 969 (rdev->pdev->device == 0x9991) || 970 (rdev->pdev->device == 0x9994) || 971 (rdev->pdev->device == 0x9995) || 972 (rdev->pdev->device == 0x9996) || 973 (rdev->pdev->device == 0x999A) || 974 (rdev->pdev->device == 0x99A0)) { 975 rdev->config.cayman.max_simds_per_se = 3; 976 rdev->config.cayman.max_backends_per_se = 1; 977 rdev->config.cayman.max_hw_contexts = 4; 978 rdev->config.cayman.sx_max_export_size = 128; 979 rdev->config.cayman.sx_max_export_pos_size = 32; 980 rdev->config.cayman.sx_max_export_smx_size = 96; 981 } else { 982 rdev->config.cayman.max_simds_per_se = 2; 983 rdev->config.cayman.max_backends_per_se = 1; 984 rdev->config.cayman.max_hw_contexts = 4; 985 rdev->config.cayman.sx_max_export_size = 128; 986 rdev->config.cayman.sx_max_export_pos_size = 32; 987 rdev->config.cayman.sx_max_export_smx_size = 96; 988 } 989 rdev->config.cayman.max_texture_channel_caches = 2; 990 rdev->config.cayman.max_gprs = 256; 991 rdev->config.cayman.max_threads = 256; 992 rdev->config.cayman.max_gs_threads = 32; 993 rdev->config.cayman.max_stack_entries = 512; 994 rdev->config.cayman.sx_num_of_sets = 8; 995 rdev->config.cayman.sq_num_cf_insts = 2; 996 997 rdev->config.cayman.sc_prim_fifo_size = 0x40; 998 rdev->config.cayman.sc_hiz_tile_fifo_size = 0x30; 999 rdev->config.cayman.sc_earlyz_tile_fifo_size = 0x130; 1000 gb_addr_config = ARUBA_GB_ADDR_CONFIG_GOLDEN; 1001 break; 1002 } 1003 1004 /* Initialize HDP */ 1005 for (i = 0, j = 0; i < 32; i++, j += 0x18) { 1006 WREG32((0x2c14 + j), 0x00000000); 1007 WREG32((0x2c18 + j), 0x00000000); 1008 WREG32((0x2c1c + j), 0x00000000); 1009 WREG32((0x2c20 + j), 0x00000000); 1010 WREG32((0x2c24 + j), 0x00000000); 1011 } 1012 1013 WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff)); 1014 WREG32(SRBM_INT_CNTL, 0x1); 1015 WREG32(SRBM_INT_ACK, 0x1); 1016 1017 evergreen_fix_pci_max_read_req_size(rdev); 1018 1019 RREG32(MC_SHARED_CHMAP); 1020 mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG); 1021 1022 tmp = (mc_arb_ramcfg & NOOFCOLS_MASK) >> NOOFCOLS_SHIFT; 1023 rdev->config.cayman.mem_row_size_in_kb = (4 * (1 << (8 + tmp))) / 1024; 1024 if (rdev->config.cayman.mem_row_size_in_kb > 4) 1025 rdev->config.cayman.mem_row_size_in_kb = 4; 1026 /* XXX use MC settings? */ 1027 rdev->config.cayman.shader_engine_tile_size = 32; 1028 rdev->config.cayman.num_gpus = 1; 1029 rdev->config.cayman.multi_gpu_tile_size = 64; 1030 1031 tmp = (gb_addr_config & NUM_PIPES_MASK) >> NUM_PIPES_SHIFT; 1032 rdev->config.cayman.num_tile_pipes = (1 << tmp); 1033 tmp = (gb_addr_config & PIPE_INTERLEAVE_SIZE_MASK) >> PIPE_INTERLEAVE_SIZE_SHIFT; 1034 rdev->config.cayman.mem_max_burst_length_bytes = (tmp + 1) * 256; 1035 tmp = (gb_addr_config & NUM_SHADER_ENGINES_MASK) >> NUM_SHADER_ENGINES_SHIFT; 1036 rdev->config.cayman.num_shader_engines = tmp + 1; 1037 tmp = (gb_addr_config & NUM_GPUS_MASK) >> NUM_GPUS_SHIFT; 1038 rdev->config.cayman.num_gpus = tmp + 1; 1039 tmp = (gb_addr_config & MULTI_GPU_TILE_SIZE_MASK) >> MULTI_GPU_TILE_SIZE_SHIFT; 1040 rdev->config.cayman.multi_gpu_tile_size = 1 << tmp; 1041 tmp = (gb_addr_config & ROW_SIZE_MASK) >> ROW_SIZE_SHIFT; 1042 rdev->config.cayman.mem_row_size_in_kb = 1 << tmp; 1043 1044 1045 /* setup tiling info dword. gb_addr_config is not adequate since it does 1046 * not have bank info, so create a custom tiling dword. 1047 * bits 3:0 num_pipes 1048 * bits 7:4 num_banks 1049 * bits 11:8 group_size 1050 * bits 15:12 row_size 1051 */ 1052 rdev->config.cayman.tile_config = 0; 1053 switch (rdev->config.cayman.num_tile_pipes) { 1054 case 1: 1055 default: 1056 rdev->config.cayman.tile_config |= (0 << 0); 1057 break; 1058 case 2: 1059 rdev->config.cayman.tile_config |= (1 << 0); 1060 break; 1061 case 4: 1062 rdev->config.cayman.tile_config |= (2 << 0); 1063 break; 1064 case 8: 1065 rdev->config.cayman.tile_config |= (3 << 0); 1066 break; 1067 } 1068 1069 /* num banks is 8 on all fusion asics. 0 = 4, 1 = 8, 2 = 16 */ 1070 if (rdev->flags & RADEON_IS_IGP) 1071 rdev->config.cayman.tile_config |= 1 << 4; 1072 else { 1073 switch ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) { 1074 case 0: /* four banks */ 1075 rdev->config.cayman.tile_config |= 0 << 4; 1076 break; 1077 case 1: /* eight banks */ 1078 rdev->config.cayman.tile_config |= 1 << 4; 1079 break; 1080 case 2: /* sixteen banks */ 1081 default: 1082 rdev->config.cayman.tile_config |= 2 << 4; 1083 break; 1084 } 1085 } 1086 rdev->config.cayman.tile_config |= 1087 ((gb_addr_config & PIPE_INTERLEAVE_SIZE_MASK) >> PIPE_INTERLEAVE_SIZE_SHIFT) << 8; 1088 rdev->config.cayman.tile_config |= 1089 ((gb_addr_config & ROW_SIZE_MASK) >> ROW_SIZE_SHIFT) << 12; 1090 1091 tmp = 0; 1092 for (i = (rdev->config.cayman.max_shader_engines - 1); i >= 0; i--) { 1093 u32 rb_disable_bitmap; 1094 1095 WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i)); 1096 WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i)); 1097 rb_disable_bitmap = (RREG32(CC_RB_BACKEND_DISABLE) & 0x00ff0000) >> 16; 1098 tmp <<= 4; 1099 tmp |= rb_disable_bitmap; 1100 } 1101 /* enabled rb are just the one not disabled :) */ 1102 disabled_rb_mask = tmp; 1103 tmp = 0; 1104 for (i = 0; i < (rdev->config.cayman.max_backends_per_se * rdev->config.cayman.max_shader_engines); i++) 1105 tmp |= (1 << i); 1106 /* if all the backends are disabled, fix it up here */ 1107 if ((disabled_rb_mask & tmp) == tmp) { 1108 for (i = 0; i < (rdev->config.cayman.max_backends_per_se * rdev->config.cayman.max_shader_engines); i++) 1109 disabled_rb_mask &= ~(1 << i); 1110 } 1111 1112 for (i = 0; i < rdev->config.cayman.max_shader_engines; i++) { 1113 u32 simd_disable_bitmap; 1114 1115 WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i)); 1116 WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i)); 1117 simd_disable_bitmap = (RREG32(CC_GC_SHADER_PIPE_CONFIG) & 0xffff0000) >> 16; 1118 simd_disable_bitmap |= 0xffffffff << rdev->config.cayman.max_simds_per_se; 1119 tmp <<= 16; 1120 tmp |= simd_disable_bitmap; 1121 } 1122 rdev->config.cayman.active_simds = hweight32(~tmp); 1123 1124 WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_BROADCAST_WRITES); 1125 WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_BROADCAST_WRITES); 1126 1127 WREG32(GB_ADDR_CONFIG, gb_addr_config); 1128 WREG32(DMIF_ADDR_CONFIG, gb_addr_config); 1129 if (ASIC_IS_DCE6(rdev)) 1130 WREG32(DMIF_ADDR_CALC, gb_addr_config); 1131 WREG32(HDP_ADDR_CONFIG, gb_addr_config); 1132 WREG32(DMA_TILING_CONFIG + DMA0_REGISTER_OFFSET, gb_addr_config); 1133 WREG32(DMA_TILING_CONFIG + DMA1_REGISTER_OFFSET, gb_addr_config); 1134 WREG32(UVD_UDEC_ADDR_CONFIG, gb_addr_config); 1135 WREG32(UVD_UDEC_DB_ADDR_CONFIG, gb_addr_config); 1136 WREG32(UVD_UDEC_DBW_ADDR_CONFIG, gb_addr_config); 1137 1138 if ((rdev->config.cayman.max_backends_per_se == 1) && 1139 (rdev->flags & RADEON_IS_IGP)) { 1140 if ((disabled_rb_mask & 3) == 2) { 1141 /* RB1 disabled, RB0 enabled */ 1142 tmp = 0x00000000; 1143 } else { 1144 /* RB0 disabled, RB1 enabled */ 1145 tmp = 0x11111111; 1146 } 1147 } else { 1148 tmp = gb_addr_config & NUM_PIPES_MASK; 1149 tmp = r6xx_remap_render_backend(rdev, tmp, 1150 rdev->config.cayman.max_backends_per_se * 1151 rdev->config.cayman.max_shader_engines, 1152 CAYMAN_MAX_BACKENDS, disabled_rb_mask); 1153 } 1154 rdev->config.cayman.backend_map = tmp; 1155 WREG32(GB_BACKEND_MAP, tmp); 1156 1157 cgts_tcc_disable = 0xffff0000; 1158 for (i = 0; i < rdev->config.cayman.max_texture_channel_caches; i++) 1159 cgts_tcc_disable &= ~(1 << (16 + i)); 1160 WREG32(CGTS_TCC_DISABLE, cgts_tcc_disable); 1161 WREG32(CGTS_SYS_TCC_DISABLE, cgts_tcc_disable); 1162 WREG32(CGTS_USER_SYS_TCC_DISABLE, cgts_tcc_disable); 1163 WREG32(CGTS_USER_TCC_DISABLE, cgts_tcc_disable); 1164 1165 /* reprogram the shader complex */ 1166 cgts_sm_ctrl_reg = RREG32(CGTS_SM_CTRL_REG); 1167 for (i = 0; i < 16; i++) 1168 WREG32(CGTS_SM_CTRL_REG, OVERRIDE); 1169 WREG32(CGTS_SM_CTRL_REG, cgts_sm_ctrl_reg); 1170 1171 /* set HW defaults for 3D engine */ 1172 WREG32(CP_MEQ_THRESHOLDS, MEQ1_START(0x30) | MEQ2_START(0x60)); 1173 1174 sx_debug_1 = RREG32(SX_DEBUG_1); 1175 sx_debug_1 |= ENABLE_NEW_SMX_ADDRESS; 1176 WREG32(SX_DEBUG_1, sx_debug_1); 1177 1178 smx_dc_ctl0 = RREG32(SMX_DC_CTL0); 1179 smx_dc_ctl0 &= ~NUMBER_OF_SETS(0x1ff); 1180 smx_dc_ctl0 |= NUMBER_OF_SETS(rdev->config.cayman.sx_num_of_sets); 1181 WREG32(SMX_DC_CTL0, smx_dc_ctl0); 1182 1183 WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(4) | CRC_SIMD_ID_WADDR_DISABLE); 1184 1185 /* need to be explicitly zero-ed */ 1186 WREG32(VGT_OFFCHIP_LDS_BASE, 0); 1187 WREG32(SQ_LSTMP_RING_BASE, 0); 1188 WREG32(SQ_HSTMP_RING_BASE, 0); 1189 WREG32(SQ_ESTMP_RING_BASE, 0); 1190 WREG32(SQ_GSTMP_RING_BASE, 0); 1191 WREG32(SQ_VSTMP_RING_BASE, 0); 1192 WREG32(SQ_PSTMP_RING_BASE, 0); 1193 1194 WREG32(TA_CNTL_AUX, DISABLE_CUBE_ANISO); 1195 1196 WREG32(SX_EXPORT_BUFFER_SIZES, (COLOR_BUFFER_SIZE((rdev->config.cayman.sx_max_export_size / 4) - 1) | 1197 POSITION_BUFFER_SIZE((rdev->config.cayman.sx_max_export_pos_size / 4) - 1) | 1198 SMX_BUFFER_SIZE((rdev->config.cayman.sx_max_export_smx_size / 4) - 1))); 1199 1200 WREG32(PA_SC_FIFO_SIZE, (SC_PRIM_FIFO_SIZE(rdev->config.cayman.sc_prim_fifo_size) | 1201 SC_HIZ_TILE_FIFO_SIZE(rdev->config.cayman.sc_hiz_tile_fifo_size) | 1202 SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.cayman.sc_earlyz_tile_fifo_size))); 1203 1204 1205 WREG32(VGT_NUM_INSTANCES, 1); 1206 1207 WREG32(CP_PERFMON_CNTL, 0); 1208 1209 WREG32(SQ_MS_FIFO_SIZES, (CACHE_FIFO_SIZE(16 * rdev->config.cayman.sq_num_cf_insts) | 1210 FETCH_FIFO_HIWATER(0x4) | 1211 DONE_FIFO_HIWATER(0xe0) | 1212 ALU_UPDATE_FIFO_HIWATER(0x8))); 1213 1214 WREG32(SQ_GPR_RESOURCE_MGMT_1, NUM_CLAUSE_TEMP_GPRS(4)); 1215 WREG32(SQ_CONFIG, (VC_ENABLE | 1216 EXPORT_SRC_C | 1217 GFX_PRIO(0) | 1218 CS1_PRIO(0) | 1219 CS2_PRIO(1))); 1220 WREG32(SQ_DYN_GPR_CNTL_PS_FLUSH_REQ, DYN_GPR_ENABLE); 1221 1222 WREG32(PA_SC_FORCE_EOV_MAX_CNTS, (FORCE_EOV_MAX_CLK_CNT(4095) | 1223 FORCE_EOV_MAX_REZ_CNT(255))); 1224 1225 WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(VC_AND_TC) | 1226 AUTO_INVLD_EN(ES_AND_GS_AUTO)); 1227 1228 WREG32(VGT_GS_VERTEX_REUSE, 16); 1229 WREG32(PA_SC_LINE_STIPPLE_STATE, 0); 1230 1231 WREG32(CB_PERF_CTR0_SEL_0, 0); 1232 WREG32(CB_PERF_CTR0_SEL_1, 0); 1233 WREG32(CB_PERF_CTR1_SEL_0, 0); 1234 WREG32(CB_PERF_CTR1_SEL_1, 0); 1235 WREG32(CB_PERF_CTR2_SEL_0, 0); 1236 WREG32(CB_PERF_CTR2_SEL_1, 0); 1237 WREG32(CB_PERF_CTR3_SEL_0, 0); 1238 WREG32(CB_PERF_CTR3_SEL_1, 0); 1239 1240 tmp = RREG32(HDP_MISC_CNTL); 1241 tmp |= HDP_FLUSH_INVALIDATE_CACHE; 1242 WREG32(HDP_MISC_CNTL, tmp); 1243 1244 hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL); 1245 WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl); 1246 1247 WREG32(PA_CL_ENHANCE, CLIP_VTX_REORDER_ENA | NUM_CLIP_SEQ(3)); 1248 1249 udelay(50); 1250 1251 /* set clockgating golden values on TN */ 1252 if (rdev->family == CHIP_ARUBA) { 1253 tmp = RREG32_CG(CG_CGTT_LOCAL_0); 1254 tmp &= ~0x00380000; 1255 WREG32_CG(CG_CGTT_LOCAL_0, tmp); 1256 tmp = RREG32_CG(CG_CGTT_LOCAL_1); 1257 tmp &= ~0x0e000000; 1258 WREG32_CG(CG_CGTT_LOCAL_1, tmp); 1259 } 1260 } 1261 1262 /* 1263 * GART 1264 */ 1265 void cayman_pcie_gart_tlb_flush(struct radeon_device *rdev) 1266 { 1267 /* flush hdp cache */ 1268 WREG32(HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1); 1269 1270 /* bits 0-7 are the VM contexts0-7 */ 1271 WREG32(VM_INVALIDATE_REQUEST, 1); 1272 } 1273 1274 static int cayman_pcie_gart_enable(struct radeon_device *rdev) 1275 { 1276 int i, r; 1277 1278 if (rdev->gart.robj == NULL) { 1279 dev_err(rdev->dev, "No VRAM object for PCIE GART.\n"); 1280 return -EINVAL; 1281 } 1282 r = radeon_gart_table_vram_pin(rdev); 1283 if (r) 1284 return r; 1285 /* Setup TLB control */ 1286 WREG32(MC_VM_MX_L1_TLB_CNTL, 1287 (0xA << 7) | 1288 ENABLE_L1_TLB | 1289 ENABLE_L1_FRAGMENT_PROCESSING | 1290 SYSTEM_ACCESS_MODE_NOT_IN_SYS | 1291 ENABLE_ADVANCED_DRIVER_MODEL | 1292 SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU); 1293 /* Setup L2 cache */ 1294 WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | 1295 ENABLE_L2_FRAGMENT_PROCESSING | 1296 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE | 1297 ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE | 1298 EFFECTIVE_L2_QUEUE_SIZE(7) | 1299 CONTEXT1_IDENTITY_ACCESS_MODE(1)); 1300 WREG32(VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS | INVALIDATE_L2_CACHE); 1301 WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY | 1302 BANK_SELECT(6) | 1303 L2_CACHE_BIGK_FRAGMENT_SIZE(6)); 1304 /* setup context0 */ 1305 WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12); 1306 WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12); 1307 WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12); 1308 WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR, 1309 (u32)(rdev->dummy_page.addr >> 12)); 1310 WREG32(VM_CONTEXT0_CNTL2, 0); 1311 WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) | 1312 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT); 1313 1314 WREG32(0x15D4, 0); 1315 WREG32(0x15D8, 0); 1316 WREG32(0x15DC, 0); 1317 1318 /* empty context1-7 */ 1319 /* Assign the pt base to something valid for now; the pts used for 1320 * the VMs are determined by the application and setup and assigned 1321 * on the fly in the vm part of radeon_gart.c 1322 */ 1323 for (i = 1; i < 8; i++) { 1324 WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR + (i << 2), 0); 1325 WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR + (i << 2), 1326 rdev->vm_manager.max_pfn - 1); 1327 WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (i << 2), 1328 rdev->vm_manager.saved_table_addr[i]); 1329 } 1330 1331 /* enable context1-7 */ 1332 WREG32(VM_CONTEXT1_PROTECTION_FAULT_DEFAULT_ADDR, 1333 (u32)(rdev->dummy_page.addr >> 12)); 1334 WREG32(VM_CONTEXT1_CNTL2, 4); 1335 WREG32(VM_CONTEXT1_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(1) | 1336 PAGE_TABLE_BLOCK_SIZE(radeon_vm_block_size - 9) | 1337 RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT | 1338 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT | 1339 DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT | 1340 DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT | 1341 PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT | 1342 PDE0_PROTECTION_FAULT_ENABLE_DEFAULT | 1343 VALID_PROTECTION_FAULT_ENABLE_INTERRUPT | 1344 VALID_PROTECTION_FAULT_ENABLE_DEFAULT | 1345 READ_PROTECTION_FAULT_ENABLE_INTERRUPT | 1346 READ_PROTECTION_FAULT_ENABLE_DEFAULT | 1347 WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT | 1348 WRITE_PROTECTION_FAULT_ENABLE_DEFAULT); 1349 1350 cayman_pcie_gart_tlb_flush(rdev); 1351 DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n", 1352 (unsigned)(rdev->mc.gtt_size >> 20), 1353 (unsigned long long)rdev->gart.table_addr); 1354 rdev->gart.ready = true; 1355 return 0; 1356 } 1357 1358 static void cayman_pcie_gart_disable(struct radeon_device *rdev) 1359 { 1360 unsigned i; 1361 1362 for (i = 1; i < 8; ++i) { 1363 rdev->vm_manager.saved_table_addr[i] = RREG32( 1364 VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (i << 2)); 1365 } 1366 1367 /* Disable all tables */ 1368 WREG32(VM_CONTEXT0_CNTL, 0); 1369 WREG32(VM_CONTEXT1_CNTL, 0); 1370 /* Setup TLB control */ 1371 WREG32(MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_FRAGMENT_PROCESSING | 1372 SYSTEM_ACCESS_MODE_NOT_IN_SYS | 1373 SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU); 1374 /* Setup L2 cache */ 1375 WREG32(VM_L2_CNTL, ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE | 1376 ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE | 1377 EFFECTIVE_L2_QUEUE_SIZE(7) | 1378 CONTEXT1_IDENTITY_ACCESS_MODE(1)); 1379 WREG32(VM_L2_CNTL2, 0); 1380 WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY | 1381 L2_CACHE_BIGK_FRAGMENT_SIZE(6)); 1382 radeon_gart_table_vram_unpin(rdev); 1383 } 1384 1385 static void cayman_pcie_gart_fini(struct radeon_device *rdev) 1386 { 1387 cayman_pcie_gart_disable(rdev); 1388 radeon_gart_table_vram_free(rdev); 1389 radeon_gart_fini(rdev); 1390 } 1391 1392 void cayman_cp_int_cntl_setup(struct radeon_device *rdev, 1393 int ring, u32 cp_int_cntl) 1394 { 1395 WREG32(SRBM_GFX_CNTL, RINGID(ring)); 1396 WREG32(CP_INT_CNTL, cp_int_cntl); 1397 } 1398 1399 /* 1400 * CP. 1401 */ 1402 void cayman_fence_ring_emit(struct radeon_device *rdev, 1403 struct radeon_fence *fence) 1404 { 1405 struct radeon_ring *ring = &rdev->ring[fence->ring]; 1406 u64 addr = rdev->fence_drv[fence->ring].gpu_addr; 1407 u32 cp_coher_cntl = PACKET3_FULL_CACHE_ENA | PACKET3_TC_ACTION_ENA | 1408 PACKET3_SH_ACTION_ENA; 1409 1410 /* flush read cache over gart for this vmid */ 1411 radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3)); 1412 radeon_ring_write(ring, PACKET3_ENGINE_ME | cp_coher_cntl); 1413 radeon_ring_write(ring, 0xFFFFFFFF); 1414 radeon_ring_write(ring, 0); 1415 radeon_ring_write(ring, 10); /* poll interval */ 1416 /* EVENT_WRITE_EOP - flush caches, send int */ 1417 radeon_ring_write(ring, PACKET3(PACKET3_EVENT_WRITE_EOP, 4)); 1418 radeon_ring_write(ring, EVENT_TYPE(CACHE_FLUSH_AND_INV_EVENT_TS) | EVENT_INDEX(5)); 1419 radeon_ring_write(ring, lower_32_bits(addr)); 1420 radeon_ring_write(ring, (upper_32_bits(addr) & 0xff) | DATA_SEL(1) | INT_SEL(2)); 1421 radeon_ring_write(ring, fence->seq); 1422 radeon_ring_write(ring, 0); 1423 } 1424 1425 void cayman_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib) 1426 { 1427 struct radeon_ring *ring = &rdev->ring[ib->ring]; 1428 unsigned vm_id = ib->vm ? ib->vm->ids[ib->ring].id : 0; 1429 u32 cp_coher_cntl = PACKET3_FULL_CACHE_ENA | PACKET3_TC_ACTION_ENA | 1430 PACKET3_SH_ACTION_ENA; 1431 1432 /* set to DX10/11 mode */ 1433 radeon_ring_write(ring, PACKET3(PACKET3_MODE_CONTROL, 0)); 1434 radeon_ring_write(ring, 1); 1435 1436 if (ring->rptr_save_reg) { 1437 uint32_t next_rptr = ring->wptr + 3 + 4 + 8; 1438 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1)); 1439 radeon_ring_write(ring, ((ring->rptr_save_reg - 1440 PACKET3_SET_CONFIG_REG_START) >> 2)); 1441 radeon_ring_write(ring, next_rptr); 1442 } 1443 1444 radeon_ring_write(ring, PACKET3(PACKET3_INDIRECT_BUFFER, 2)); 1445 radeon_ring_write(ring, 1446 #ifdef __BIG_ENDIAN 1447 (2 << 0) | 1448 #endif 1449 (ib->gpu_addr & 0xFFFFFFFC)); 1450 radeon_ring_write(ring, upper_32_bits(ib->gpu_addr) & 0xFF); 1451 radeon_ring_write(ring, ib->length_dw | (vm_id << 24)); 1452 1453 /* flush read cache over gart for this vmid */ 1454 radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3)); 1455 radeon_ring_write(ring, PACKET3_ENGINE_ME | cp_coher_cntl); 1456 radeon_ring_write(ring, 0xFFFFFFFF); 1457 radeon_ring_write(ring, 0); 1458 radeon_ring_write(ring, (vm_id << 24) | 10); /* poll interval */ 1459 } 1460 1461 static void cayman_cp_enable(struct radeon_device *rdev, bool enable) 1462 { 1463 if (enable) 1464 WREG32(CP_ME_CNTL, 0); 1465 else { 1466 if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX) 1467 radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size); 1468 WREG32(CP_ME_CNTL, (CP_ME_HALT | CP_PFP_HALT)); 1469 WREG32(SCRATCH_UMSK, 0); 1470 rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false; 1471 } 1472 } 1473 1474 u32 cayman_gfx_get_rptr(struct radeon_device *rdev, 1475 struct radeon_ring *ring) 1476 { 1477 u32 rptr; 1478 1479 if (rdev->wb.enabled) 1480 rptr = rdev->wb.wb[ring->rptr_offs/4]; 1481 else { 1482 if (ring->idx == RADEON_RING_TYPE_GFX_INDEX) 1483 rptr = RREG32(CP_RB0_RPTR); 1484 else if (ring->idx == CAYMAN_RING_TYPE_CP1_INDEX) 1485 rptr = RREG32(CP_RB1_RPTR); 1486 else 1487 rptr = RREG32(CP_RB2_RPTR); 1488 } 1489 1490 return rptr; 1491 } 1492 1493 u32 cayman_gfx_get_wptr(struct radeon_device *rdev, 1494 struct radeon_ring *ring) 1495 { 1496 u32 wptr; 1497 1498 if (ring->idx == RADEON_RING_TYPE_GFX_INDEX) 1499 wptr = RREG32(CP_RB0_WPTR); 1500 else if (ring->idx == CAYMAN_RING_TYPE_CP1_INDEX) 1501 wptr = RREG32(CP_RB1_WPTR); 1502 else 1503 wptr = RREG32(CP_RB2_WPTR); 1504 1505 return wptr; 1506 } 1507 1508 void cayman_gfx_set_wptr(struct radeon_device *rdev, 1509 struct radeon_ring *ring) 1510 { 1511 if (ring->idx == RADEON_RING_TYPE_GFX_INDEX) { 1512 WREG32(CP_RB0_WPTR, ring->wptr); 1513 (void)RREG32(CP_RB0_WPTR); 1514 } else if (ring->idx == CAYMAN_RING_TYPE_CP1_INDEX) { 1515 WREG32(CP_RB1_WPTR, ring->wptr); 1516 (void)RREG32(CP_RB1_WPTR); 1517 } else { 1518 WREG32(CP_RB2_WPTR, ring->wptr); 1519 (void)RREG32(CP_RB2_WPTR); 1520 } 1521 } 1522 1523 static int cayman_cp_load_microcode(struct radeon_device *rdev) 1524 { 1525 const __be32 *fw_data; 1526 int i; 1527 1528 if (!rdev->me_fw || !rdev->pfp_fw) 1529 return -EINVAL; 1530 1531 cayman_cp_enable(rdev, false); 1532 1533 fw_data = (const __be32 *)rdev->pfp_fw->data; 1534 WREG32(CP_PFP_UCODE_ADDR, 0); 1535 for (i = 0; i < CAYMAN_PFP_UCODE_SIZE; i++) 1536 WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++)); 1537 WREG32(CP_PFP_UCODE_ADDR, 0); 1538 1539 fw_data = (const __be32 *)rdev->me_fw->data; 1540 WREG32(CP_ME_RAM_WADDR, 0); 1541 for (i = 0; i < CAYMAN_PM4_UCODE_SIZE; i++) 1542 WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++)); 1543 1544 WREG32(CP_PFP_UCODE_ADDR, 0); 1545 WREG32(CP_ME_RAM_WADDR, 0); 1546 WREG32(CP_ME_RAM_RADDR, 0); 1547 return 0; 1548 } 1549 1550 static int cayman_cp_start(struct radeon_device *rdev) 1551 { 1552 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; 1553 int r, i; 1554 1555 r = radeon_ring_lock(rdev, ring, 7); 1556 if (r) { 1557 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r); 1558 return r; 1559 } 1560 radeon_ring_write(ring, PACKET3(PACKET3_ME_INITIALIZE, 5)); 1561 radeon_ring_write(ring, 0x1); 1562 radeon_ring_write(ring, 0x0); 1563 radeon_ring_write(ring, rdev->config.cayman.max_hw_contexts - 1); 1564 radeon_ring_write(ring, PACKET3_ME_INITIALIZE_DEVICE_ID(1)); 1565 radeon_ring_write(ring, 0); 1566 radeon_ring_write(ring, 0); 1567 radeon_ring_unlock_commit(rdev, ring, false); 1568 1569 cayman_cp_enable(rdev, true); 1570 1571 r = radeon_ring_lock(rdev, ring, cayman_default_size + 19); 1572 if (r) { 1573 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r); 1574 return r; 1575 } 1576 1577 /* setup clear context state */ 1578 radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0)); 1579 radeon_ring_write(ring, PACKET3_PREAMBLE_BEGIN_CLEAR_STATE); 1580 1581 for (i = 0; i < cayman_default_size; i++) 1582 radeon_ring_write(ring, cayman_default_state[i]); 1583 1584 radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0)); 1585 radeon_ring_write(ring, PACKET3_PREAMBLE_END_CLEAR_STATE); 1586 1587 /* set clear context state */ 1588 radeon_ring_write(ring, PACKET3(PACKET3_CLEAR_STATE, 0)); 1589 radeon_ring_write(ring, 0); 1590 1591 /* SQ_VTX_BASE_VTX_LOC */ 1592 radeon_ring_write(ring, 0xc0026f00); 1593 radeon_ring_write(ring, 0x00000000); 1594 radeon_ring_write(ring, 0x00000000); 1595 radeon_ring_write(ring, 0x00000000); 1596 1597 /* Clear consts */ 1598 radeon_ring_write(ring, 0xc0036f00); 1599 radeon_ring_write(ring, 0x00000bc4); 1600 radeon_ring_write(ring, 0xffffffff); 1601 radeon_ring_write(ring, 0xffffffff); 1602 radeon_ring_write(ring, 0xffffffff); 1603 1604 radeon_ring_write(ring, 0xc0026900); 1605 radeon_ring_write(ring, 0x00000316); 1606 radeon_ring_write(ring, 0x0000000e); /* VGT_VERTEX_REUSE_BLOCK_CNTL */ 1607 radeon_ring_write(ring, 0x00000010); /* */ 1608 1609 radeon_ring_unlock_commit(rdev, ring, false); 1610 1611 /* XXX init other rings */ 1612 1613 return 0; 1614 } 1615 1616 static void cayman_cp_fini(struct radeon_device *rdev) 1617 { 1618 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; 1619 cayman_cp_enable(rdev, false); 1620 radeon_ring_fini(rdev, ring); 1621 radeon_scratch_free(rdev, ring->rptr_save_reg); 1622 } 1623 1624 static int cayman_cp_resume(struct radeon_device *rdev) 1625 { 1626 static const int ridx[] = { 1627 RADEON_RING_TYPE_GFX_INDEX, 1628 CAYMAN_RING_TYPE_CP1_INDEX, 1629 CAYMAN_RING_TYPE_CP2_INDEX 1630 }; 1631 static const unsigned cp_rb_cntl[] = { 1632 CP_RB0_CNTL, 1633 CP_RB1_CNTL, 1634 CP_RB2_CNTL, 1635 }; 1636 static const unsigned cp_rb_rptr_addr[] = { 1637 CP_RB0_RPTR_ADDR, 1638 CP_RB1_RPTR_ADDR, 1639 CP_RB2_RPTR_ADDR 1640 }; 1641 static const unsigned cp_rb_rptr_addr_hi[] = { 1642 CP_RB0_RPTR_ADDR_HI, 1643 CP_RB1_RPTR_ADDR_HI, 1644 CP_RB2_RPTR_ADDR_HI 1645 }; 1646 static const unsigned cp_rb_base[] = { 1647 CP_RB0_BASE, 1648 CP_RB1_BASE, 1649 CP_RB2_BASE 1650 }; 1651 static const unsigned cp_rb_rptr[] = { 1652 CP_RB0_RPTR, 1653 CP_RB1_RPTR, 1654 CP_RB2_RPTR 1655 }; 1656 static const unsigned cp_rb_wptr[] = { 1657 CP_RB0_WPTR, 1658 CP_RB1_WPTR, 1659 CP_RB2_WPTR 1660 }; 1661 struct radeon_ring *ring; 1662 int i, r; 1663 1664 /* Reset cp; if cp is reset, then PA, SH, VGT also need to be reset */ 1665 WREG32(GRBM_SOFT_RESET, (SOFT_RESET_CP | 1666 SOFT_RESET_PA | 1667 SOFT_RESET_SH | 1668 SOFT_RESET_VGT | 1669 SOFT_RESET_SPI | 1670 SOFT_RESET_SX)); 1671 RREG32(GRBM_SOFT_RESET); 1672 mdelay(15); 1673 WREG32(GRBM_SOFT_RESET, 0); 1674 RREG32(GRBM_SOFT_RESET); 1675 1676 WREG32(CP_SEM_WAIT_TIMER, 0x0); 1677 WREG32(CP_SEM_INCOMPLETE_TIMER_CNTL, 0x0); 1678 1679 /* Set the write pointer delay */ 1680 WREG32(CP_RB_WPTR_DELAY, 0); 1681 1682 WREG32(CP_DEBUG, (1 << 27)); 1683 1684 /* set the wb address whether it's enabled or not */ 1685 WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF); 1686 WREG32(SCRATCH_UMSK, 0xff); 1687 1688 for (i = 0; i < 3; ++i) { 1689 uint32_t rb_cntl; 1690 uint64_t addr; 1691 1692 /* Set ring buffer size */ 1693 ring = &rdev->ring[ridx[i]]; 1694 rb_cntl = order_base_2(ring->ring_size / 8); 1695 rb_cntl |= order_base_2(RADEON_GPU_PAGE_SIZE/8) << 8; 1696 #ifdef __BIG_ENDIAN 1697 rb_cntl |= BUF_SWAP_32BIT; 1698 #endif 1699 WREG32(cp_rb_cntl[i], rb_cntl); 1700 1701 /* set the wb address whether it's enabled or not */ 1702 addr = rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET; 1703 WREG32(cp_rb_rptr_addr[i], addr & 0xFFFFFFFC); 1704 WREG32(cp_rb_rptr_addr_hi[i], upper_32_bits(addr) & 0xFF); 1705 } 1706 1707 /* set the rb base addr, this causes an internal reset of ALL rings */ 1708 for (i = 0; i < 3; ++i) { 1709 ring = &rdev->ring[ridx[i]]; 1710 WREG32(cp_rb_base[i], ring->gpu_addr >> 8); 1711 } 1712 1713 for (i = 0; i < 3; ++i) { 1714 /* Initialize the ring buffer's read and write pointers */ 1715 ring = &rdev->ring[ridx[i]]; 1716 WREG32_P(cp_rb_cntl[i], RB_RPTR_WR_ENA, ~RB_RPTR_WR_ENA); 1717 1718 ring->wptr = 0; 1719 WREG32(cp_rb_rptr[i], 0); 1720 WREG32(cp_rb_wptr[i], ring->wptr); 1721 1722 mdelay(1); 1723 WREG32_P(cp_rb_cntl[i], 0, ~RB_RPTR_WR_ENA); 1724 } 1725 1726 /* start the rings */ 1727 cayman_cp_start(rdev); 1728 rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = true; 1729 rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false; 1730 rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false; 1731 /* this only test cp0 */ 1732 r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]); 1733 if (r) { 1734 rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false; 1735 rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false; 1736 rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false; 1737 return r; 1738 } 1739 1740 if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX) 1741 radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size); 1742 1743 return 0; 1744 } 1745 1746 u32 cayman_gpu_check_soft_reset(struct radeon_device *rdev) 1747 { 1748 u32 reset_mask = 0; 1749 u32 tmp; 1750 1751 /* GRBM_STATUS */ 1752 tmp = RREG32(GRBM_STATUS); 1753 if (tmp & (PA_BUSY | SC_BUSY | 1754 SH_BUSY | SX_BUSY | 1755 TA_BUSY | VGT_BUSY | 1756 DB_BUSY | CB_BUSY | 1757 GDS_BUSY | SPI_BUSY | 1758 IA_BUSY | IA_BUSY_NO_DMA)) 1759 reset_mask |= RADEON_RESET_GFX; 1760 1761 if (tmp & (CF_RQ_PENDING | PF_RQ_PENDING | 1762 CP_BUSY | CP_COHERENCY_BUSY)) 1763 reset_mask |= RADEON_RESET_CP; 1764 1765 if (tmp & GRBM_EE_BUSY) 1766 reset_mask |= RADEON_RESET_GRBM | RADEON_RESET_GFX | RADEON_RESET_CP; 1767 1768 /* DMA_STATUS_REG 0 */ 1769 tmp = RREG32(DMA_STATUS_REG + DMA0_REGISTER_OFFSET); 1770 if (!(tmp & DMA_IDLE)) 1771 reset_mask |= RADEON_RESET_DMA; 1772 1773 /* DMA_STATUS_REG 1 */ 1774 tmp = RREG32(DMA_STATUS_REG + DMA1_REGISTER_OFFSET); 1775 if (!(tmp & DMA_IDLE)) 1776 reset_mask |= RADEON_RESET_DMA1; 1777 1778 /* SRBM_STATUS2 */ 1779 tmp = RREG32(SRBM_STATUS2); 1780 if (tmp & DMA_BUSY) 1781 reset_mask |= RADEON_RESET_DMA; 1782 1783 if (tmp & DMA1_BUSY) 1784 reset_mask |= RADEON_RESET_DMA1; 1785 1786 /* SRBM_STATUS */ 1787 tmp = RREG32(SRBM_STATUS); 1788 if (tmp & (RLC_RQ_PENDING | RLC_BUSY)) 1789 reset_mask |= RADEON_RESET_RLC; 1790 1791 if (tmp & IH_BUSY) 1792 reset_mask |= RADEON_RESET_IH; 1793 1794 if (tmp & SEM_BUSY) 1795 reset_mask |= RADEON_RESET_SEM; 1796 1797 if (tmp & GRBM_RQ_PENDING) 1798 reset_mask |= RADEON_RESET_GRBM; 1799 1800 if (tmp & VMC_BUSY) 1801 reset_mask |= RADEON_RESET_VMC; 1802 1803 if (tmp & (MCB_BUSY | MCB_NON_DISPLAY_BUSY | 1804 MCC_BUSY | MCD_BUSY)) 1805 reset_mask |= RADEON_RESET_MC; 1806 1807 if (evergreen_is_display_hung(rdev)) 1808 reset_mask |= RADEON_RESET_DISPLAY; 1809 1810 /* VM_L2_STATUS */ 1811 tmp = RREG32(VM_L2_STATUS); 1812 if (tmp & L2_BUSY) 1813 reset_mask |= RADEON_RESET_VMC; 1814 1815 /* Skip MC reset as it's mostly likely not hung, just busy */ 1816 if (reset_mask & RADEON_RESET_MC) { 1817 DRM_DEBUG("MC busy: 0x%08X, clearing.\n", reset_mask); 1818 reset_mask &= ~RADEON_RESET_MC; 1819 } 1820 1821 return reset_mask; 1822 } 1823 1824 static void cayman_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask) 1825 { 1826 struct evergreen_mc_save save; 1827 u32 grbm_soft_reset = 0, srbm_soft_reset = 0; 1828 u32 tmp; 1829 1830 if (reset_mask == 0) 1831 return; 1832 1833 dev_info(rdev->dev, "GPU softreset: 0x%08X\n", reset_mask); 1834 1835 evergreen_print_gpu_status_regs(rdev); 1836 dev_info(rdev->dev, " VM_CONTEXT0_PROTECTION_FAULT_ADDR 0x%08X\n", 1837 RREG32(0x14F8)); 1838 dev_info(rdev->dev, " VM_CONTEXT0_PROTECTION_FAULT_STATUS 0x%08X\n", 1839 RREG32(0x14D8)); 1840 dev_info(rdev->dev, " VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x%08X\n", 1841 RREG32(0x14FC)); 1842 dev_info(rdev->dev, " VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n", 1843 RREG32(0x14DC)); 1844 1845 /* Disable CP parsing/prefetching */ 1846 WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT); 1847 1848 if (reset_mask & RADEON_RESET_DMA) { 1849 /* dma0 */ 1850 tmp = RREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET); 1851 tmp &= ~DMA_RB_ENABLE; 1852 WREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET, tmp); 1853 } 1854 1855 if (reset_mask & RADEON_RESET_DMA1) { 1856 /* dma1 */ 1857 tmp = RREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET); 1858 tmp &= ~DMA_RB_ENABLE; 1859 WREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET, tmp); 1860 } 1861 1862 udelay(50); 1863 1864 evergreen_mc_stop(rdev, &save); 1865 if (evergreen_mc_wait_for_idle(rdev)) { 1866 dev_warn(rdev->dev, "Wait for MC idle timedout !\n"); 1867 } 1868 1869 if (reset_mask & (RADEON_RESET_GFX | RADEON_RESET_COMPUTE)) { 1870 grbm_soft_reset = SOFT_RESET_CB | 1871 SOFT_RESET_DB | 1872 SOFT_RESET_GDS | 1873 SOFT_RESET_PA | 1874 SOFT_RESET_SC | 1875 SOFT_RESET_SPI | 1876 SOFT_RESET_SH | 1877 SOFT_RESET_SX | 1878 SOFT_RESET_TC | 1879 SOFT_RESET_TA | 1880 SOFT_RESET_VGT | 1881 SOFT_RESET_IA; 1882 } 1883 1884 if (reset_mask & RADEON_RESET_CP) { 1885 grbm_soft_reset |= SOFT_RESET_CP | SOFT_RESET_VGT; 1886 1887 srbm_soft_reset |= SOFT_RESET_GRBM; 1888 } 1889 1890 if (reset_mask & RADEON_RESET_DMA) 1891 srbm_soft_reset |= SOFT_RESET_DMA; 1892 1893 if (reset_mask & RADEON_RESET_DMA1) 1894 srbm_soft_reset |= SOFT_RESET_DMA1; 1895 1896 if (reset_mask & RADEON_RESET_DISPLAY) 1897 srbm_soft_reset |= SOFT_RESET_DC; 1898 1899 if (reset_mask & RADEON_RESET_RLC) 1900 srbm_soft_reset |= SOFT_RESET_RLC; 1901 1902 if (reset_mask & RADEON_RESET_SEM) 1903 srbm_soft_reset |= SOFT_RESET_SEM; 1904 1905 if (reset_mask & RADEON_RESET_IH) 1906 srbm_soft_reset |= SOFT_RESET_IH; 1907 1908 if (reset_mask & RADEON_RESET_GRBM) 1909 srbm_soft_reset |= SOFT_RESET_GRBM; 1910 1911 if (reset_mask & RADEON_RESET_VMC) 1912 srbm_soft_reset |= SOFT_RESET_VMC; 1913 1914 if (!(rdev->flags & RADEON_IS_IGP)) { 1915 if (reset_mask & RADEON_RESET_MC) 1916 srbm_soft_reset |= SOFT_RESET_MC; 1917 } 1918 1919 if (grbm_soft_reset) { 1920 tmp = RREG32(GRBM_SOFT_RESET); 1921 tmp |= grbm_soft_reset; 1922 dev_info(rdev->dev, "GRBM_SOFT_RESET=0x%08X\n", tmp); 1923 WREG32(GRBM_SOFT_RESET, tmp); 1924 tmp = RREG32(GRBM_SOFT_RESET); 1925 1926 udelay(50); 1927 1928 tmp &= ~grbm_soft_reset; 1929 WREG32(GRBM_SOFT_RESET, tmp); 1930 tmp = RREG32(GRBM_SOFT_RESET); 1931 } 1932 1933 if (srbm_soft_reset) { 1934 tmp = RREG32(SRBM_SOFT_RESET); 1935 tmp |= srbm_soft_reset; 1936 dev_info(rdev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp); 1937 WREG32(SRBM_SOFT_RESET, tmp); 1938 tmp = RREG32(SRBM_SOFT_RESET); 1939 1940 udelay(50); 1941 1942 tmp &= ~srbm_soft_reset; 1943 WREG32(SRBM_SOFT_RESET, tmp); 1944 tmp = RREG32(SRBM_SOFT_RESET); 1945 } 1946 1947 /* Wait a little for things to settle down */ 1948 udelay(50); 1949 1950 evergreen_mc_resume(rdev, &save); 1951 udelay(50); 1952 1953 evergreen_print_gpu_status_regs(rdev); 1954 } 1955 1956 int cayman_asic_reset(struct radeon_device *rdev, bool hard) 1957 { 1958 u32 reset_mask; 1959 1960 if (hard) { 1961 evergreen_gpu_pci_config_reset(rdev); 1962 return 0; 1963 } 1964 1965 reset_mask = cayman_gpu_check_soft_reset(rdev); 1966 1967 if (reset_mask) 1968 r600_set_bios_scratch_engine_hung(rdev, true); 1969 1970 cayman_gpu_soft_reset(rdev, reset_mask); 1971 1972 reset_mask = cayman_gpu_check_soft_reset(rdev); 1973 1974 if (reset_mask) 1975 evergreen_gpu_pci_config_reset(rdev); 1976 1977 r600_set_bios_scratch_engine_hung(rdev, false); 1978 1979 return 0; 1980 } 1981 1982 /** 1983 * cayman_gfx_is_lockup - Check if the GFX engine is locked up 1984 * 1985 * @rdev: radeon_device pointer 1986 * @ring: radeon_ring structure holding ring information 1987 * 1988 * Check if the GFX engine is locked up. 1989 * Returns true if the engine appears to be locked up, false if not. 1990 */ 1991 bool cayman_gfx_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring) 1992 { 1993 u32 reset_mask = cayman_gpu_check_soft_reset(rdev); 1994 1995 if (!(reset_mask & (RADEON_RESET_GFX | 1996 RADEON_RESET_COMPUTE | 1997 RADEON_RESET_CP))) { 1998 radeon_ring_lockup_update(rdev, ring); 1999 return false; 2000 } 2001 return radeon_ring_test_lockup(rdev, ring); 2002 } 2003 2004 static void cayman_uvd_init(struct radeon_device *rdev) 2005 { 2006 int r; 2007 2008 if (!rdev->has_uvd) 2009 return; 2010 2011 r = radeon_uvd_init(rdev); 2012 if (r) { 2013 dev_err(rdev->dev, "failed UVD (%d) init.\n", r); 2014 /* 2015 * At this point rdev->uvd.vcpu_bo is NULL which trickles down 2016 * to early fails uvd_v2_2_resume() and thus nothing happens 2017 * there. So it is pointless to try to go through that code 2018 * hence why we disable uvd here. 2019 */ 2020 rdev->has_uvd = false; 2021 return; 2022 } 2023 rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_obj = NULL; 2024 r600_ring_init(rdev, &rdev->ring[R600_RING_TYPE_UVD_INDEX], 4096); 2025 } 2026 2027 static void cayman_uvd_start(struct radeon_device *rdev) 2028 { 2029 int r; 2030 2031 if (!rdev->has_uvd) 2032 return; 2033 2034 r = uvd_v2_2_resume(rdev); 2035 if (r) { 2036 dev_err(rdev->dev, "failed UVD resume (%d).\n", r); 2037 goto error; 2038 } 2039 r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_UVD_INDEX); 2040 if (r) { 2041 dev_err(rdev->dev, "failed initializing UVD fences (%d).\n", r); 2042 goto error; 2043 } 2044 return; 2045 2046 error: 2047 rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size = 0; 2048 } 2049 2050 static void cayman_uvd_resume(struct radeon_device *rdev) 2051 { 2052 struct radeon_ring *ring; 2053 int r; 2054 2055 if (!rdev->has_uvd || !rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size) 2056 return; 2057 2058 ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX]; 2059 r = radeon_ring_init(rdev, ring, ring->ring_size, 0, PACKET0(UVD_NO_OP, 0)); 2060 if (r) { 2061 dev_err(rdev->dev, "failed initializing UVD ring (%d).\n", r); 2062 return; 2063 } 2064 r = uvd_v1_0_init(rdev); 2065 if (r) { 2066 dev_err(rdev->dev, "failed initializing UVD (%d).\n", r); 2067 return; 2068 } 2069 } 2070 2071 static void cayman_vce_init(struct radeon_device *rdev) 2072 { 2073 int r; 2074 2075 /* Only set for CHIP_ARUBA */ 2076 if (!rdev->has_vce) 2077 return; 2078 2079 r = radeon_vce_init(rdev); 2080 if (r) { 2081 dev_err(rdev->dev, "failed VCE (%d) init.\n", r); 2082 /* 2083 * At this point rdev->vce.vcpu_bo is NULL which trickles down 2084 * to early fails cayman_vce_start() and thus nothing happens 2085 * there. So it is pointless to try to go through that code 2086 * hence why we disable vce here. 2087 */ 2088 rdev->has_vce = false; 2089 return; 2090 } 2091 rdev->ring[TN_RING_TYPE_VCE1_INDEX].ring_obj = NULL; 2092 r600_ring_init(rdev, &rdev->ring[TN_RING_TYPE_VCE1_INDEX], 4096); 2093 rdev->ring[TN_RING_TYPE_VCE2_INDEX].ring_obj = NULL; 2094 r600_ring_init(rdev, &rdev->ring[TN_RING_TYPE_VCE2_INDEX], 4096); 2095 } 2096 2097 static void cayman_vce_start(struct radeon_device *rdev) 2098 { 2099 int r; 2100 2101 if (!rdev->has_vce) 2102 return; 2103 2104 r = radeon_vce_resume(rdev); 2105 if (r) { 2106 dev_err(rdev->dev, "failed VCE resume (%d).\n", r); 2107 goto error; 2108 } 2109 r = vce_v1_0_resume(rdev); 2110 if (r) { 2111 dev_err(rdev->dev, "failed VCE resume (%d).\n", r); 2112 goto error; 2113 } 2114 r = radeon_fence_driver_start_ring(rdev, TN_RING_TYPE_VCE1_INDEX); 2115 if (r) { 2116 dev_err(rdev->dev, "failed initializing VCE1 fences (%d).\n", r); 2117 goto error; 2118 } 2119 r = radeon_fence_driver_start_ring(rdev, TN_RING_TYPE_VCE2_INDEX); 2120 if (r) { 2121 dev_err(rdev->dev, "failed initializing VCE2 fences (%d).\n", r); 2122 goto error; 2123 } 2124 return; 2125 2126 error: 2127 rdev->ring[TN_RING_TYPE_VCE1_INDEX].ring_size = 0; 2128 rdev->ring[TN_RING_TYPE_VCE2_INDEX].ring_size = 0; 2129 } 2130 2131 static void cayman_vce_resume(struct radeon_device *rdev) 2132 { 2133 struct radeon_ring *ring; 2134 int r; 2135 2136 if (!rdev->has_vce || !rdev->ring[TN_RING_TYPE_VCE1_INDEX].ring_size) 2137 return; 2138 2139 ring = &rdev->ring[TN_RING_TYPE_VCE1_INDEX]; 2140 r = radeon_ring_init(rdev, ring, ring->ring_size, 0, 0x0); 2141 if (r) { 2142 dev_err(rdev->dev, "failed initializing VCE1 ring (%d).\n", r); 2143 return; 2144 } 2145 ring = &rdev->ring[TN_RING_TYPE_VCE2_INDEX]; 2146 r = radeon_ring_init(rdev, ring, ring->ring_size, 0, 0x0); 2147 if (r) { 2148 dev_err(rdev->dev, "failed initializing VCE1 ring (%d).\n", r); 2149 return; 2150 } 2151 r = vce_v1_0_init(rdev); 2152 if (r) { 2153 dev_err(rdev->dev, "failed initializing VCE (%d).\n", r); 2154 return; 2155 } 2156 } 2157 2158 static int cayman_startup(struct radeon_device *rdev) 2159 { 2160 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; 2161 int r; 2162 2163 /* enable pcie gen2 link */ 2164 evergreen_pcie_gen2_enable(rdev); 2165 /* enable aspm */ 2166 evergreen_program_aspm(rdev); 2167 2168 /* scratch needs to be initialized before MC */ 2169 r = r600_vram_scratch_init(rdev); 2170 if (r) 2171 return r; 2172 2173 evergreen_mc_program(rdev); 2174 2175 if (!(rdev->flags & RADEON_IS_IGP) && !rdev->pm.dpm_enabled) { 2176 r = ni_mc_load_microcode(rdev); 2177 if (r) { 2178 DRM_ERROR("Failed to load MC firmware!\n"); 2179 return r; 2180 } 2181 } 2182 2183 r = cayman_pcie_gart_enable(rdev); 2184 if (r) 2185 return r; 2186 cayman_gpu_init(rdev); 2187 2188 /* allocate rlc buffers */ 2189 if (rdev->flags & RADEON_IS_IGP) { 2190 rdev->rlc.reg_list = tn_rlc_save_restore_register_list; 2191 rdev->rlc.reg_list_size = 2192 (u32)ARRAY_SIZE(tn_rlc_save_restore_register_list); 2193 rdev->rlc.cs_data = cayman_cs_data; 2194 r = sumo_rlc_init(rdev); 2195 if (r) { 2196 DRM_ERROR("Failed to init rlc BOs!\n"); 2197 return r; 2198 } 2199 } 2200 2201 /* allocate wb buffer */ 2202 r = radeon_wb_init(rdev); 2203 if (r) 2204 return r; 2205 2206 r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX); 2207 if (r) { 2208 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r); 2209 return r; 2210 } 2211 2212 cayman_uvd_start(rdev); 2213 cayman_vce_start(rdev); 2214 2215 r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_CP1_INDEX); 2216 if (r) { 2217 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r); 2218 return r; 2219 } 2220 2221 r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_CP2_INDEX); 2222 if (r) { 2223 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r); 2224 return r; 2225 } 2226 2227 r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_DMA_INDEX); 2228 if (r) { 2229 dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r); 2230 return r; 2231 } 2232 2233 r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_DMA1_INDEX); 2234 if (r) { 2235 dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r); 2236 return r; 2237 } 2238 2239 /* Enable IRQ */ 2240 if (!rdev->irq.installed) { 2241 r = radeon_irq_kms_init(rdev); 2242 if (r) 2243 return r; 2244 } 2245 2246 r = r600_irq_init(rdev); 2247 if (r) { 2248 DRM_ERROR("radeon: IH init failed (%d).\n", r); 2249 radeon_irq_kms_fini(rdev); 2250 return r; 2251 } 2252 evergreen_irq_set(rdev); 2253 2254 r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET, 2255 RADEON_CP_PACKET2); 2256 if (r) 2257 return r; 2258 2259 ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX]; 2260 r = radeon_ring_init(rdev, ring, ring->ring_size, R600_WB_DMA_RPTR_OFFSET, 2261 DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0)); 2262 if (r) 2263 return r; 2264 2265 ring = &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX]; 2266 r = radeon_ring_init(rdev, ring, ring->ring_size, CAYMAN_WB_DMA1_RPTR_OFFSET, 2267 DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0)); 2268 if (r) 2269 return r; 2270 2271 r = cayman_cp_load_microcode(rdev); 2272 if (r) 2273 return r; 2274 r = cayman_cp_resume(rdev); 2275 if (r) 2276 return r; 2277 2278 r = cayman_dma_resume(rdev); 2279 if (r) 2280 return r; 2281 2282 cayman_uvd_resume(rdev); 2283 cayman_vce_resume(rdev); 2284 2285 r = radeon_ib_pool_init(rdev); 2286 if (r) { 2287 dev_err(rdev->dev, "IB initialization failed (%d).\n", r); 2288 return r; 2289 } 2290 2291 r = radeon_vm_manager_init(rdev); 2292 if (r) { 2293 dev_err(rdev->dev, "vm manager initialization failed (%d).\n", r); 2294 return r; 2295 } 2296 2297 r = radeon_audio_init(rdev); 2298 if (r) 2299 return r; 2300 2301 return 0; 2302 } 2303 2304 int cayman_resume(struct radeon_device *rdev) 2305 { 2306 int r; 2307 2308 /* Do not reset GPU before posting, on rv770 hw unlike on r500 hw, 2309 * posting will perform necessary task to bring back GPU into good 2310 * shape. 2311 */ 2312 /* post card */ 2313 atom_asic_init(rdev->mode_info.atom_context); 2314 2315 /* init golden registers */ 2316 ni_init_golden_registers(rdev); 2317 2318 if (rdev->pm.pm_method == PM_METHOD_DPM) 2319 radeon_pm_resume(rdev); 2320 2321 rdev->accel_working = true; 2322 r = cayman_startup(rdev); 2323 if (r) { 2324 DRM_ERROR("cayman startup failed on resume\n"); 2325 rdev->accel_working = false; 2326 return r; 2327 } 2328 return r; 2329 } 2330 2331 int cayman_suspend(struct radeon_device *rdev) 2332 { 2333 radeon_pm_suspend(rdev); 2334 radeon_audio_fini(rdev); 2335 radeon_vm_manager_fini(rdev); 2336 cayman_cp_enable(rdev, false); 2337 cayman_dma_stop(rdev); 2338 if (rdev->has_uvd) { 2339 uvd_v1_0_fini(rdev); 2340 radeon_uvd_suspend(rdev); 2341 } 2342 evergreen_irq_suspend(rdev); 2343 radeon_wb_disable(rdev); 2344 cayman_pcie_gart_disable(rdev); 2345 return 0; 2346 } 2347 2348 /* Plan is to move initialization in that function and use 2349 * helper function so that radeon_device_init pretty much 2350 * do nothing more than calling asic specific function. This 2351 * should also allow to remove a bunch of callback function 2352 * like vram_info. 2353 */ 2354 int cayman_init(struct radeon_device *rdev) 2355 { 2356 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; 2357 int r; 2358 2359 /* Read BIOS */ 2360 if (!radeon_get_bios(rdev)) { 2361 if (ASIC_IS_AVIVO(rdev)) 2362 return -EINVAL; 2363 } 2364 /* Must be an ATOMBIOS */ 2365 if (!rdev->is_atom_bios) { 2366 dev_err(rdev->dev, "Expecting atombios for cayman GPU\n"); 2367 return -EINVAL; 2368 } 2369 r = radeon_atombios_init(rdev); 2370 if (r) 2371 return r; 2372 2373 /* Post card if necessary */ 2374 if (!radeon_card_posted(rdev)) { 2375 if (!rdev->bios) { 2376 dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n"); 2377 return -EINVAL; 2378 } 2379 DRM_INFO("GPU not posted. posting now...\n"); 2380 atom_asic_init(rdev->mode_info.atom_context); 2381 } 2382 /* init golden registers */ 2383 ni_init_golden_registers(rdev); 2384 /* Initialize scratch registers */ 2385 r600_scratch_init(rdev); 2386 /* Initialize surface registers */ 2387 radeon_surface_init(rdev); 2388 /* Initialize clocks */ 2389 radeon_get_clock_info(rdev->ddev); 2390 /* Fence driver */ 2391 r = radeon_fence_driver_init(rdev); 2392 if (r) 2393 return r; 2394 /* initialize memory controller */ 2395 r = evergreen_mc_init(rdev); 2396 if (r) 2397 return r; 2398 /* Memory manager */ 2399 r = radeon_bo_init(rdev); 2400 if (r) 2401 return r; 2402 2403 if (rdev->flags & RADEON_IS_IGP) { 2404 if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) { 2405 r = ni_init_microcode(rdev); 2406 if (r) { 2407 DRM_ERROR("Failed to load firmware!\n"); 2408 return r; 2409 } 2410 } 2411 } else { 2412 if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw || !rdev->mc_fw) { 2413 r = ni_init_microcode(rdev); 2414 if (r) { 2415 DRM_ERROR("Failed to load firmware!\n"); 2416 return r; 2417 } 2418 } 2419 } 2420 2421 /* Initialize power management */ 2422 radeon_pm_init(rdev); 2423 2424 ring->ring_obj = NULL; 2425 r600_ring_init(rdev, ring, 1024 * 1024); 2426 2427 ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX]; 2428 ring->ring_obj = NULL; 2429 r600_ring_init(rdev, ring, 64 * 1024); 2430 2431 ring = &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX]; 2432 ring->ring_obj = NULL; 2433 r600_ring_init(rdev, ring, 64 * 1024); 2434 2435 cayman_uvd_init(rdev); 2436 cayman_vce_init(rdev); 2437 2438 rdev->ih.ring_obj = NULL; 2439 r600_ih_ring_init(rdev, 64 * 1024); 2440 2441 r = r600_pcie_gart_init(rdev); 2442 if (r) 2443 return r; 2444 2445 rdev->accel_working = true; 2446 r = cayman_startup(rdev); 2447 if (r) { 2448 dev_err(rdev->dev, "disabling GPU acceleration\n"); 2449 cayman_cp_fini(rdev); 2450 cayman_dma_fini(rdev); 2451 r600_irq_fini(rdev); 2452 if (rdev->flags & RADEON_IS_IGP) 2453 sumo_rlc_fini(rdev); 2454 radeon_wb_fini(rdev); 2455 radeon_ib_pool_fini(rdev); 2456 radeon_vm_manager_fini(rdev); 2457 radeon_irq_kms_fini(rdev); 2458 cayman_pcie_gart_fini(rdev); 2459 rdev->accel_working = false; 2460 } 2461 2462 /* Don't start up if the MC ucode is missing. 2463 * The default clocks and voltages before the MC ucode 2464 * is loaded are not suffient for advanced operations. 2465 * 2466 * We can skip this check for TN, because there is no MC 2467 * ucode. 2468 */ 2469 if (!rdev->mc_fw && !(rdev->flags & RADEON_IS_IGP)) { 2470 DRM_ERROR("radeon: MC ucode required for NI+.\n"); 2471 return -EINVAL; 2472 } 2473 2474 return 0; 2475 } 2476 2477 void cayman_fini(struct radeon_device *rdev) 2478 { 2479 radeon_pm_fini(rdev); 2480 cayman_cp_fini(rdev); 2481 cayman_dma_fini(rdev); 2482 r600_irq_fini(rdev); 2483 if (rdev->flags & RADEON_IS_IGP) 2484 sumo_rlc_fini(rdev); 2485 radeon_wb_fini(rdev); 2486 radeon_vm_manager_fini(rdev); 2487 radeon_ib_pool_fini(rdev); 2488 radeon_irq_kms_fini(rdev); 2489 uvd_v1_0_fini(rdev); 2490 radeon_uvd_fini(rdev); 2491 if (rdev->has_vce) 2492 radeon_vce_fini(rdev); 2493 cayman_pcie_gart_fini(rdev); 2494 r600_vram_scratch_fini(rdev); 2495 radeon_gem_fini(rdev); 2496 radeon_fence_driver_fini(rdev); 2497 radeon_bo_fini(rdev); 2498 radeon_atombios_fini(rdev); 2499 kfree(rdev->bios); 2500 rdev->bios = NULL; 2501 } 2502 2503 /* 2504 * vm 2505 */ 2506 int cayman_vm_init(struct radeon_device *rdev) 2507 { 2508 /* number of VMs */ 2509 rdev->vm_manager.nvm = 8; 2510 /* base offset of vram pages */ 2511 if (rdev->flags & RADEON_IS_IGP) { 2512 u64 tmp = RREG32(FUS_MC_VM_FB_OFFSET); 2513 tmp <<= 22; 2514 rdev->vm_manager.vram_base_offset = tmp; 2515 } else 2516 rdev->vm_manager.vram_base_offset = 0; 2517 return 0; 2518 } 2519 2520 void cayman_vm_fini(struct radeon_device *rdev) 2521 { 2522 } 2523 2524 /** 2525 * cayman_vm_decode_fault - print human readable fault info 2526 * 2527 * @rdev: radeon_device pointer 2528 * @status: VM_CONTEXT1_PROTECTION_FAULT_STATUS register value 2529 * @addr: VM_CONTEXT1_PROTECTION_FAULT_ADDR register value 2530 * 2531 * Print human readable fault information (cayman/TN). 2532 */ 2533 void cayman_vm_decode_fault(struct radeon_device *rdev, 2534 u32 status, u32 addr) 2535 { 2536 u32 mc_id = (status & MEMORY_CLIENT_ID_MASK) >> MEMORY_CLIENT_ID_SHIFT; 2537 u32 vmid = (status & FAULT_VMID_MASK) >> FAULT_VMID_SHIFT; 2538 u32 protections = (status & PROTECTIONS_MASK) >> PROTECTIONS_SHIFT; 2539 char *block; 2540 2541 switch (mc_id) { 2542 case 32: 2543 case 16: 2544 case 96: 2545 case 80: 2546 case 160: 2547 case 144: 2548 case 224: 2549 case 208: 2550 block = "CB"; 2551 break; 2552 case 33: 2553 case 17: 2554 case 97: 2555 case 81: 2556 case 161: 2557 case 145: 2558 case 225: 2559 case 209: 2560 block = "CB_FMASK"; 2561 break; 2562 case 34: 2563 case 18: 2564 case 98: 2565 case 82: 2566 case 162: 2567 case 146: 2568 case 226: 2569 case 210: 2570 block = "CB_CMASK"; 2571 break; 2572 case 35: 2573 case 19: 2574 case 99: 2575 case 83: 2576 case 163: 2577 case 147: 2578 case 227: 2579 case 211: 2580 block = "CB_IMMED"; 2581 break; 2582 case 36: 2583 case 20: 2584 case 100: 2585 case 84: 2586 case 164: 2587 case 148: 2588 case 228: 2589 case 212: 2590 block = "DB"; 2591 break; 2592 case 37: 2593 case 21: 2594 case 101: 2595 case 85: 2596 case 165: 2597 case 149: 2598 case 229: 2599 case 213: 2600 block = "DB_HTILE"; 2601 break; 2602 case 38: 2603 case 22: 2604 case 102: 2605 case 86: 2606 case 166: 2607 case 150: 2608 case 230: 2609 case 214: 2610 block = "SX"; 2611 break; 2612 case 39: 2613 case 23: 2614 case 103: 2615 case 87: 2616 case 167: 2617 case 151: 2618 case 231: 2619 case 215: 2620 block = "DB_STEN"; 2621 break; 2622 case 40: 2623 case 24: 2624 case 104: 2625 case 88: 2626 case 232: 2627 case 216: 2628 case 168: 2629 case 152: 2630 block = "TC_TFETCH"; 2631 break; 2632 case 41: 2633 case 25: 2634 case 105: 2635 case 89: 2636 case 233: 2637 case 217: 2638 case 169: 2639 case 153: 2640 block = "TC_VFETCH"; 2641 break; 2642 case 42: 2643 case 26: 2644 case 106: 2645 case 90: 2646 case 234: 2647 case 218: 2648 case 170: 2649 case 154: 2650 block = "VC"; 2651 break; 2652 case 112: 2653 block = "CP"; 2654 break; 2655 case 113: 2656 case 114: 2657 block = "SH"; 2658 break; 2659 case 115: 2660 block = "VGT"; 2661 break; 2662 case 178: 2663 block = "IH"; 2664 break; 2665 case 51: 2666 block = "RLC"; 2667 break; 2668 case 55: 2669 block = "DMA"; 2670 break; 2671 case 56: 2672 block = "HDP"; 2673 break; 2674 default: 2675 block = "unknown"; 2676 break; 2677 } 2678 2679 printk("VM fault (0x%02x, vmid %d) at page %u, %s from %s (%d)\n", 2680 protections, vmid, addr, 2681 (status & MEMORY_CLIENT_RW_MASK) ? "write" : "read", 2682 block, mc_id); 2683 } 2684 2685 /* 2686 * cayman_vm_flush - vm flush using the CP 2687 * 2688 * Update the page table base and flush the VM TLB 2689 * using the CP (cayman-si). 2690 */ 2691 void cayman_vm_flush(struct radeon_device *rdev, struct radeon_ring *ring, 2692 unsigned vm_id, uint64_t pd_addr) 2693 { 2694 radeon_ring_write(ring, PACKET0(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (vm_id << 2), 0)); 2695 radeon_ring_write(ring, pd_addr >> 12); 2696 2697 /* flush hdp cache */ 2698 radeon_ring_write(ring, PACKET0(HDP_MEM_COHERENCY_FLUSH_CNTL, 0)); 2699 radeon_ring_write(ring, 0x1); 2700 2701 /* bits 0-7 are the VM contexts0-7 */ 2702 radeon_ring_write(ring, PACKET0(VM_INVALIDATE_REQUEST, 0)); 2703 radeon_ring_write(ring, 1 << vm_id); 2704 2705 /* wait for the invalidate to complete */ 2706 radeon_ring_write(ring, PACKET3(PACKET3_WAIT_REG_MEM, 5)); 2707 radeon_ring_write(ring, (WAIT_REG_MEM_FUNCTION(0) | /* always */ 2708 WAIT_REG_MEM_ENGINE(0))); /* me */ 2709 radeon_ring_write(ring, VM_INVALIDATE_REQUEST >> 2); 2710 radeon_ring_write(ring, 0); 2711 radeon_ring_write(ring, 0); /* ref */ 2712 radeon_ring_write(ring, 0); /* mask */ 2713 radeon_ring_write(ring, 0x20); /* poll interval */ 2714 2715 /* sync PFP to ME, otherwise we might get invalid PFP reads */ 2716 radeon_ring_write(ring, PACKET3(PACKET3_PFP_SYNC_ME, 0)); 2717 radeon_ring_write(ring, 0x0); 2718 } 2719 2720 int tn_set_vce_clocks(struct radeon_device *rdev, u32 evclk, u32 ecclk) 2721 { 2722 struct atom_clock_dividers dividers; 2723 int r, i; 2724 2725 r = radeon_atom_get_clock_dividers(rdev, COMPUTE_ENGINE_PLL_PARAM, 2726 ecclk, false, ÷rs); 2727 if (r) 2728 return r; 2729 2730 for (i = 0; i < 100; i++) { 2731 if (RREG32(CG_ECLK_STATUS) & ECLK_STATUS) 2732 break; 2733 mdelay(10); 2734 } 2735 if (i == 100) 2736 return -ETIMEDOUT; 2737 2738 WREG32_P(CG_ECLK_CNTL, dividers.post_div, ~(ECLK_DIR_CNTL_EN|ECLK_DIVIDER_MASK)); 2739 2740 for (i = 0; i < 100; i++) { 2741 if (RREG32(CG_ECLK_STATUS) & ECLK_STATUS) 2742 break; 2743 mdelay(10); 2744 } 2745 if (i == 100) 2746 return -ETIMEDOUT; 2747 2748 return 0; 2749 } 2750