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 <drm/drmP.h> 29 #include "radeon.h" 30 #include "radeon_asic.h" 31 #include <drm/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 bool evergreen_is_display_hung(struct radeon_device *rdev); 38 extern void evergreen_print_gpu_status_regs(struct radeon_device *rdev); 39 extern void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *save); 40 extern void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *save); 41 extern int evergreen_mc_wait_for_idle(struct radeon_device *rdev); 42 extern void evergreen_mc_program(struct radeon_device *rdev); 43 extern void evergreen_irq_suspend(struct radeon_device *rdev); 44 extern int evergreen_mc_init(struct radeon_device *rdev); 45 extern void evergreen_fix_pci_max_read_req_size(struct radeon_device *rdev); 46 extern void evergreen_pcie_gen2_enable(struct radeon_device *rdev); 47 extern void si_rlc_fini(struct radeon_device *rdev); 48 extern int si_rlc_init(struct radeon_device *rdev); 49 50 #define EVERGREEN_PFP_UCODE_SIZE 1120 51 #define EVERGREEN_PM4_UCODE_SIZE 1376 52 #define EVERGREEN_RLC_UCODE_SIZE 768 53 #define BTC_MC_UCODE_SIZE 6024 54 55 #define CAYMAN_PFP_UCODE_SIZE 2176 56 #define CAYMAN_PM4_UCODE_SIZE 2176 57 #define CAYMAN_RLC_UCODE_SIZE 1024 58 #define CAYMAN_MC_UCODE_SIZE 6037 59 60 #define ARUBA_RLC_UCODE_SIZE 1536 61 62 /* Firmware Names */ 63 MODULE_FIRMWARE("radeon/BARTS_pfp.bin"); 64 MODULE_FIRMWARE("radeon/BARTS_me.bin"); 65 MODULE_FIRMWARE("radeon/BARTS_mc.bin"); 66 MODULE_FIRMWARE("radeon/BTC_rlc.bin"); 67 MODULE_FIRMWARE("radeon/TURKS_pfp.bin"); 68 MODULE_FIRMWARE("radeon/TURKS_me.bin"); 69 MODULE_FIRMWARE("radeon/TURKS_mc.bin"); 70 MODULE_FIRMWARE("radeon/CAICOS_pfp.bin"); 71 MODULE_FIRMWARE("radeon/CAICOS_me.bin"); 72 MODULE_FIRMWARE("radeon/CAICOS_mc.bin"); 73 MODULE_FIRMWARE("radeon/CAYMAN_pfp.bin"); 74 MODULE_FIRMWARE("radeon/CAYMAN_me.bin"); 75 MODULE_FIRMWARE("radeon/CAYMAN_mc.bin"); 76 MODULE_FIRMWARE("radeon/CAYMAN_rlc.bin"); 77 MODULE_FIRMWARE("radeon/ARUBA_pfp.bin"); 78 MODULE_FIRMWARE("radeon/ARUBA_me.bin"); 79 MODULE_FIRMWARE("radeon/ARUBA_rlc.bin"); 80 81 #define BTC_IO_MC_REGS_SIZE 29 82 83 static const u32 barts_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = { 84 {0x00000077, 0xff010100}, 85 {0x00000078, 0x00000000}, 86 {0x00000079, 0x00001434}, 87 {0x0000007a, 0xcc08ec08}, 88 {0x0000007b, 0x00040000}, 89 {0x0000007c, 0x000080c0}, 90 {0x0000007d, 0x09000000}, 91 {0x0000007e, 0x00210404}, 92 {0x00000081, 0x08a8e800}, 93 {0x00000082, 0x00030444}, 94 {0x00000083, 0x00000000}, 95 {0x00000085, 0x00000001}, 96 {0x00000086, 0x00000002}, 97 {0x00000087, 0x48490000}, 98 {0x00000088, 0x20244647}, 99 {0x00000089, 0x00000005}, 100 {0x0000008b, 0x66030000}, 101 {0x0000008c, 0x00006603}, 102 {0x0000008d, 0x00000100}, 103 {0x0000008f, 0x00001c0a}, 104 {0x00000090, 0xff000001}, 105 {0x00000094, 0x00101101}, 106 {0x00000095, 0x00000fff}, 107 {0x00000096, 0x00116fff}, 108 {0x00000097, 0x60010000}, 109 {0x00000098, 0x10010000}, 110 {0x00000099, 0x00006000}, 111 {0x0000009a, 0x00001000}, 112 {0x0000009f, 0x00946a00} 113 }; 114 115 static const u32 turks_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = { 116 {0x00000077, 0xff010100}, 117 {0x00000078, 0x00000000}, 118 {0x00000079, 0x00001434}, 119 {0x0000007a, 0xcc08ec08}, 120 {0x0000007b, 0x00040000}, 121 {0x0000007c, 0x000080c0}, 122 {0x0000007d, 0x09000000}, 123 {0x0000007e, 0x00210404}, 124 {0x00000081, 0x08a8e800}, 125 {0x00000082, 0x00030444}, 126 {0x00000083, 0x00000000}, 127 {0x00000085, 0x00000001}, 128 {0x00000086, 0x00000002}, 129 {0x00000087, 0x48490000}, 130 {0x00000088, 0x20244647}, 131 {0x00000089, 0x00000005}, 132 {0x0000008b, 0x66030000}, 133 {0x0000008c, 0x00006603}, 134 {0x0000008d, 0x00000100}, 135 {0x0000008f, 0x00001c0a}, 136 {0x00000090, 0xff000001}, 137 {0x00000094, 0x00101101}, 138 {0x00000095, 0x00000fff}, 139 {0x00000096, 0x00116fff}, 140 {0x00000097, 0x60010000}, 141 {0x00000098, 0x10010000}, 142 {0x00000099, 0x00006000}, 143 {0x0000009a, 0x00001000}, 144 {0x0000009f, 0x00936a00} 145 }; 146 147 static const u32 caicos_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = { 148 {0x00000077, 0xff010100}, 149 {0x00000078, 0x00000000}, 150 {0x00000079, 0x00001434}, 151 {0x0000007a, 0xcc08ec08}, 152 {0x0000007b, 0x00040000}, 153 {0x0000007c, 0x000080c0}, 154 {0x0000007d, 0x09000000}, 155 {0x0000007e, 0x00210404}, 156 {0x00000081, 0x08a8e800}, 157 {0x00000082, 0x00030444}, 158 {0x00000083, 0x00000000}, 159 {0x00000085, 0x00000001}, 160 {0x00000086, 0x00000002}, 161 {0x00000087, 0x48490000}, 162 {0x00000088, 0x20244647}, 163 {0x00000089, 0x00000005}, 164 {0x0000008b, 0x66030000}, 165 {0x0000008c, 0x00006603}, 166 {0x0000008d, 0x00000100}, 167 {0x0000008f, 0x00001c0a}, 168 {0x00000090, 0xff000001}, 169 {0x00000094, 0x00101101}, 170 {0x00000095, 0x00000fff}, 171 {0x00000096, 0x00116fff}, 172 {0x00000097, 0x60010000}, 173 {0x00000098, 0x10010000}, 174 {0x00000099, 0x00006000}, 175 {0x0000009a, 0x00001000}, 176 {0x0000009f, 0x00916a00} 177 }; 178 179 static const u32 cayman_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = { 180 {0x00000077, 0xff010100}, 181 {0x00000078, 0x00000000}, 182 {0x00000079, 0x00001434}, 183 {0x0000007a, 0xcc08ec08}, 184 {0x0000007b, 0x00040000}, 185 {0x0000007c, 0x000080c0}, 186 {0x0000007d, 0x09000000}, 187 {0x0000007e, 0x00210404}, 188 {0x00000081, 0x08a8e800}, 189 {0x00000082, 0x00030444}, 190 {0x00000083, 0x00000000}, 191 {0x00000085, 0x00000001}, 192 {0x00000086, 0x00000002}, 193 {0x00000087, 0x48490000}, 194 {0x00000088, 0x20244647}, 195 {0x00000089, 0x00000005}, 196 {0x0000008b, 0x66030000}, 197 {0x0000008c, 0x00006603}, 198 {0x0000008d, 0x00000100}, 199 {0x0000008f, 0x00001c0a}, 200 {0x00000090, 0xff000001}, 201 {0x00000094, 0x00101101}, 202 {0x00000095, 0x00000fff}, 203 {0x00000096, 0x00116fff}, 204 {0x00000097, 0x60010000}, 205 {0x00000098, 0x10010000}, 206 {0x00000099, 0x00006000}, 207 {0x0000009a, 0x00001000}, 208 {0x0000009f, 0x00976b00} 209 }; 210 211 int ni_mc_load_microcode(struct radeon_device *rdev) 212 { 213 const __be32 *fw_data; 214 u32 mem_type, running, blackout = 0; 215 u32 *io_mc_regs; 216 int i, ucode_size, regs_size; 217 218 if (!rdev->mc_fw) 219 return -EINVAL; 220 221 switch (rdev->family) { 222 case CHIP_BARTS: 223 io_mc_regs = (u32 *)&barts_io_mc_regs; 224 ucode_size = BTC_MC_UCODE_SIZE; 225 regs_size = BTC_IO_MC_REGS_SIZE; 226 break; 227 case CHIP_TURKS: 228 io_mc_regs = (u32 *)&turks_io_mc_regs; 229 ucode_size = BTC_MC_UCODE_SIZE; 230 regs_size = BTC_IO_MC_REGS_SIZE; 231 break; 232 case CHIP_CAICOS: 233 default: 234 io_mc_regs = (u32 *)&caicos_io_mc_regs; 235 ucode_size = BTC_MC_UCODE_SIZE; 236 regs_size = BTC_IO_MC_REGS_SIZE; 237 break; 238 case CHIP_CAYMAN: 239 io_mc_regs = (u32 *)&cayman_io_mc_regs; 240 ucode_size = CAYMAN_MC_UCODE_SIZE; 241 regs_size = BTC_IO_MC_REGS_SIZE; 242 break; 243 } 244 245 mem_type = (RREG32(MC_SEQ_MISC0) & MC_SEQ_MISC0_GDDR5_MASK) >> MC_SEQ_MISC0_GDDR5_SHIFT; 246 running = RREG32(MC_SEQ_SUP_CNTL) & RUN_MASK; 247 248 if ((mem_type == MC_SEQ_MISC0_GDDR5_VALUE) && (running == 0)) { 249 if (running) { 250 blackout = RREG32(MC_SHARED_BLACKOUT_CNTL); 251 WREG32(MC_SHARED_BLACKOUT_CNTL, 1); 252 } 253 254 /* reset the engine and set to writable */ 255 WREG32(MC_SEQ_SUP_CNTL, 0x00000008); 256 WREG32(MC_SEQ_SUP_CNTL, 0x00000010); 257 258 /* load mc io regs */ 259 for (i = 0; i < regs_size; i++) { 260 WREG32(MC_SEQ_IO_DEBUG_INDEX, io_mc_regs[(i << 1)]); 261 WREG32(MC_SEQ_IO_DEBUG_DATA, io_mc_regs[(i << 1) + 1]); 262 } 263 /* load the MC ucode */ 264 fw_data = (const __be32 *)rdev->mc_fw->data; 265 for (i = 0; i < ucode_size; i++) 266 WREG32(MC_SEQ_SUP_PGM, be32_to_cpup(fw_data++)); 267 268 /* put the engine back into the active state */ 269 WREG32(MC_SEQ_SUP_CNTL, 0x00000008); 270 WREG32(MC_SEQ_SUP_CNTL, 0x00000004); 271 WREG32(MC_SEQ_SUP_CNTL, 0x00000001); 272 273 /* wait for training to complete */ 274 for (i = 0; i < rdev->usec_timeout; i++) { 275 if (RREG32(MC_IO_PAD_CNTL_D0) & MEM_FALL_OUT_CMD) 276 break; 277 udelay(1); 278 } 279 280 if (running) 281 WREG32(MC_SHARED_BLACKOUT_CNTL, blackout); 282 } 283 284 return 0; 285 } 286 287 int ni_init_microcode(struct radeon_device *rdev) 288 { 289 struct platform_device *pdev; 290 const char *chip_name; 291 const char *rlc_chip_name; 292 size_t pfp_req_size, me_req_size, rlc_req_size, mc_req_size; 293 char fw_name[30]; 294 int err; 295 296 DRM_DEBUG("\n"); 297 298 pdev = platform_device_register_simple("radeon_cp", 0, NULL, 0); 299 err = IS_ERR(pdev); 300 if (err) { 301 printk(KERN_ERR "radeon_cp: Failed to register firmware\n"); 302 return -EINVAL; 303 } 304 305 switch (rdev->family) { 306 case CHIP_BARTS: 307 chip_name = "BARTS"; 308 rlc_chip_name = "BTC"; 309 pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4; 310 me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4; 311 rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4; 312 mc_req_size = BTC_MC_UCODE_SIZE * 4; 313 break; 314 case CHIP_TURKS: 315 chip_name = "TURKS"; 316 rlc_chip_name = "BTC"; 317 pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4; 318 me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4; 319 rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4; 320 mc_req_size = BTC_MC_UCODE_SIZE * 4; 321 break; 322 case CHIP_CAICOS: 323 chip_name = "CAICOS"; 324 rlc_chip_name = "BTC"; 325 pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4; 326 me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4; 327 rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4; 328 mc_req_size = BTC_MC_UCODE_SIZE * 4; 329 break; 330 case CHIP_CAYMAN: 331 chip_name = "CAYMAN"; 332 rlc_chip_name = "CAYMAN"; 333 pfp_req_size = CAYMAN_PFP_UCODE_SIZE * 4; 334 me_req_size = CAYMAN_PM4_UCODE_SIZE * 4; 335 rlc_req_size = CAYMAN_RLC_UCODE_SIZE * 4; 336 mc_req_size = CAYMAN_MC_UCODE_SIZE * 4; 337 break; 338 case CHIP_ARUBA: 339 chip_name = "ARUBA"; 340 rlc_chip_name = "ARUBA"; 341 /* pfp/me same size as CAYMAN */ 342 pfp_req_size = CAYMAN_PFP_UCODE_SIZE * 4; 343 me_req_size = CAYMAN_PM4_UCODE_SIZE * 4; 344 rlc_req_size = ARUBA_RLC_UCODE_SIZE * 4; 345 mc_req_size = 0; 346 break; 347 default: BUG(); 348 } 349 350 DRM_INFO("Loading %s Microcode\n", chip_name); 351 352 snprintf(fw_name, sizeof(fw_name), "radeon/%s_pfp.bin", chip_name); 353 err = request_firmware(&rdev->pfp_fw, fw_name, &pdev->dev); 354 if (err) 355 goto out; 356 if (rdev->pfp_fw->size != pfp_req_size) { 357 printk(KERN_ERR 358 "ni_cp: Bogus length %zu in firmware \"%s\"\n", 359 rdev->pfp_fw->size, fw_name); 360 err = -EINVAL; 361 goto out; 362 } 363 364 snprintf(fw_name, sizeof(fw_name), "radeon/%s_me.bin", chip_name); 365 err = request_firmware(&rdev->me_fw, fw_name, &pdev->dev); 366 if (err) 367 goto out; 368 if (rdev->me_fw->size != me_req_size) { 369 printk(KERN_ERR 370 "ni_cp: Bogus length %zu in firmware \"%s\"\n", 371 rdev->me_fw->size, fw_name); 372 err = -EINVAL; 373 } 374 375 snprintf(fw_name, sizeof(fw_name), "radeon/%s_rlc.bin", rlc_chip_name); 376 err = request_firmware(&rdev->rlc_fw, fw_name, &pdev->dev); 377 if (err) 378 goto out; 379 if (rdev->rlc_fw->size != rlc_req_size) { 380 printk(KERN_ERR 381 "ni_rlc: Bogus length %zu in firmware \"%s\"\n", 382 rdev->rlc_fw->size, fw_name); 383 err = -EINVAL; 384 } 385 386 /* no MC ucode on TN */ 387 if (!(rdev->flags & RADEON_IS_IGP)) { 388 snprintf(fw_name, sizeof(fw_name), "radeon/%s_mc.bin", chip_name); 389 err = request_firmware(&rdev->mc_fw, fw_name, &pdev->dev); 390 if (err) 391 goto out; 392 if (rdev->mc_fw->size != mc_req_size) { 393 printk(KERN_ERR 394 "ni_mc: Bogus length %zu in firmware \"%s\"\n", 395 rdev->mc_fw->size, fw_name); 396 err = -EINVAL; 397 } 398 } 399 out: 400 platform_device_unregister(pdev); 401 402 if (err) { 403 if (err != -EINVAL) 404 printk(KERN_ERR 405 "ni_cp: Failed to load firmware \"%s\"\n", 406 fw_name); 407 release_firmware(rdev->pfp_fw); 408 rdev->pfp_fw = NULL; 409 release_firmware(rdev->me_fw); 410 rdev->me_fw = NULL; 411 release_firmware(rdev->rlc_fw); 412 rdev->rlc_fw = NULL; 413 release_firmware(rdev->mc_fw); 414 rdev->mc_fw = NULL; 415 } 416 return err; 417 } 418 419 /* 420 * Core functions 421 */ 422 static void cayman_gpu_init(struct radeon_device *rdev) 423 { 424 u32 gb_addr_config = 0; 425 u32 mc_shared_chmap, mc_arb_ramcfg; 426 u32 cgts_tcc_disable; 427 u32 sx_debug_1; 428 u32 smx_dc_ctl0; 429 u32 cgts_sm_ctrl_reg; 430 u32 hdp_host_path_cntl; 431 u32 tmp; 432 u32 disabled_rb_mask; 433 int i, j; 434 435 switch (rdev->family) { 436 case CHIP_CAYMAN: 437 rdev->config.cayman.max_shader_engines = 2; 438 rdev->config.cayman.max_pipes_per_simd = 4; 439 rdev->config.cayman.max_tile_pipes = 8; 440 rdev->config.cayman.max_simds_per_se = 12; 441 rdev->config.cayman.max_backends_per_se = 4; 442 rdev->config.cayman.max_texture_channel_caches = 8; 443 rdev->config.cayman.max_gprs = 256; 444 rdev->config.cayman.max_threads = 256; 445 rdev->config.cayman.max_gs_threads = 32; 446 rdev->config.cayman.max_stack_entries = 512; 447 rdev->config.cayman.sx_num_of_sets = 8; 448 rdev->config.cayman.sx_max_export_size = 256; 449 rdev->config.cayman.sx_max_export_pos_size = 64; 450 rdev->config.cayman.sx_max_export_smx_size = 192; 451 rdev->config.cayman.max_hw_contexts = 8; 452 rdev->config.cayman.sq_num_cf_insts = 2; 453 454 rdev->config.cayman.sc_prim_fifo_size = 0x100; 455 rdev->config.cayman.sc_hiz_tile_fifo_size = 0x30; 456 rdev->config.cayman.sc_earlyz_tile_fifo_size = 0x130; 457 gb_addr_config = CAYMAN_GB_ADDR_CONFIG_GOLDEN; 458 break; 459 case CHIP_ARUBA: 460 default: 461 rdev->config.cayman.max_shader_engines = 1; 462 rdev->config.cayman.max_pipes_per_simd = 4; 463 rdev->config.cayman.max_tile_pipes = 2; 464 if ((rdev->pdev->device == 0x9900) || 465 (rdev->pdev->device == 0x9901) || 466 (rdev->pdev->device == 0x9905) || 467 (rdev->pdev->device == 0x9906) || 468 (rdev->pdev->device == 0x9907) || 469 (rdev->pdev->device == 0x9908) || 470 (rdev->pdev->device == 0x9909) || 471 (rdev->pdev->device == 0x9910) || 472 (rdev->pdev->device == 0x9917)) { 473 rdev->config.cayman.max_simds_per_se = 6; 474 rdev->config.cayman.max_backends_per_se = 2; 475 } else if ((rdev->pdev->device == 0x9903) || 476 (rdev->pdev->device == 0x9904) || 477 (rdev->pdev->device == 0x990A) || 478 (rdev->pdev->device == 0x9913) || 479 (rdev->pdev->device == 0x9918)) { 480 rdev->config.cayman.max_simds_per_se = 4; 481 rdev->config.cayman.max_backends_per_se = 2; 482 } else if ((rdev->pdev->device == 0x9919) || 483 (rdev->pdev->device == 0x9990) || 484 (rdev->pdev->device == 0x9991) || 485 (rdev->pdev->device == 0x9994) || 486 (rdev->pdev->device == 0x99A0)) { 487 rdev->config.cayman.max_simds_per_se = 3; 488 rdev->config.cayman.max_backends_per_se = 1; 489 } else { 490 rdev->config.cayman.max_simds_per_se = 2; 491 rdev->config.cayman.max_backends_per_se = 1; 492 } 493 rdev->config.cayman.max_texture_channel_caches = 2; 494 rdev->config.cayman.max_gprs = 256; 495 rdev->config.cayman.max_threads = 256; 496 rdev->config.cayman.max_gs_threads = 32; 497 rdev->config.cayman.max_stack_entries = 512; 498 rdev->config.cayman.sx_num_of_sets = 8; 499 rdev->config.cayman.sx_max_export_size = 256; 500 rdev->config.cayman.sx_max_export_pos_size = 64; 501 rdev->config.cayman.sx_max_export_smx_size = 192; 502 rdev->config.cayman.max_hw_contexts = 8; 503 rdev->config.cayman.sq_num_cf_insts = 2; 504 505 rdev->config.cayman.sc_prim_fifo_size = 0x40; 506 rdev->config.cayman.sc_hiz_tile_fifo_size = 0x30; 507 rdev->config.cayman.sc_earlyz_tile_fifo_size = 0x130; 508 gb_addr_config = ARUBA_GB_ADDR_CONFIG_GOLDEN; 509 break; 510 } 511 512 /* Initialize HDP */ 513 for (i = 0, j = 0; i < 32; i++, j += 0x18) { 514 WREG32((0x2c14 + j), 0x00000000); 515 WREG32((0x2c18 + j), 0x00000000); 516 WREG32((0x2c1c + j), 0x00000000); 517 WREG32((0x2c20 + j), 0x00000000); 518 WREG32((0x2c24 + j), 0x00000000); 519 } 520 521 WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff)); 522 523 evergreen_fix_pci_max_read_req_size(rdev); 524 525 mc_shared_chmap = RREG32(MC_SHARED_CHMAP); 526 mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG); 527 528 tmp = (mc_arb_ramcfg & NOOFCOLS_MASK) >> NOOFCOLS_SHIFT; 529 rdev->config.cayman.mem_row_size_in_kb = (4 * (1 << (8 + tmp))) / 1024; 530 if (rdev->config.cayman.mem_row_size_in_kb > 4) 531 rdev->config.cayman.mem_row_size_in_kb = 4; 532 /* XXX use MC settings? */ 533 rdev->config.cayman.shader_engine_tile_size = 32; 534 rdev->config.cayman.num_gpus = 1; 535 rdev->config.cayman.multi_gpu_tile_size = 64; 536 537 tmp = (gb_addr_config & NUM_PIPES_MASK) >> NUM_PIPES_SHIFT; 538 rdev->config.cayman.num_tile_pipes = (1 << tmp); 539 tmp = (gb_addr_config & PIPE_INTERLEAVE_SIZE_MASK) >> PIPE_INTERLEAVE_SIZE_SHIFT; 540 rdev->config.cayman.mem_max_burst_length_bytes = (tmp + 1) * 256; 541 tmp = (gb_addr_config & NUM_SHADER_ENGINES_MASK) >> NUM_SHADER_ENGINES_SHIFT; 542 rdev->config.cayman.num_shader_engines = tmp + 1; 543 tmp = (gb_addr_config & NUM_GPUS_MASK) >> NUM_GPUS_SHIFT; 544 rdev->config.cayman.num_gpus = tmp + 1; 545 tmp = (gb_addr_config & MULTI_GPU_TILE_SIZE_MASK) >> MULTI_GPU_TILE_SIZE_SHIFT; 546 rdev->config.cayman.multi_gpu_tile_size = 1 << tmp; 547 tmp = (gb_addr_config & ROW_SIZE_MASK) >> ROW_SIZE_SHIFT; 548 rdev->config.cayman.mem_row_size_in_kb = 1 << tmp; 549 550 551 /* setup tiling info dword. gb_addr_config is not adequate since it does 552 * not have bank info, so create a custom tiling dword. 553 * bits 3:0 num_pipes 554 * bits 7:4 num_banks 555 * bits 11:8 group_size 556 * bits 15:12 row_size 557 */ 558 rdev->config.cayman.tile_config = 0; 559 switch (rdev->config.cayman.num_tile_pipes) { 560 case 1: 561 default: 562 rdev->config.cayman.tile_config |= (0 << 0); 563 break; 564 case 2: 565 rdev->config.cayman.tile_config |= (1 << 0); 566 break; 567 case 4: 568 rdev->config.cayman.tile_config |= (2 << 0); 569 break; 570 case 8: 571 rdev->config.cayman.tile_config |= (3 << 0); 572 break; 573 } 574 575 /* num banks is 8 on all fusion asics. 0 = 4, 1 = 8, 2 = 16 */ 576 if (rdev->flags & RADEON_IS_IGP) 577 rdev->config.cayman.tile_config |= 1 << 4; 578 else { 579 switch ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) { 580 case 0: /* four banks */ 581 rdev->config.cayman.tile_config |= 0 << 4; 582 break; 583 case 1: /* eight banks */ 584 rdev->config.cayman.tile_config |= 1 << 4; 585 break; 586 case 2: /* sixteen banks */ 587 default: 588 rdev->config.cayman.tile_config |= 2 << 4; 589 break; 590 } 591 } 592 rdev->config.cayman.tile_config |= 593 ((gb_addr_config & PIPE_INTERLEAVE_SIZE_MASK) >> PIPE_INTERLEAVE_SIZE_SHIFT) << 8; 594 rdev->config.cayman.tile_config |= 595 ((gb_addr_config & ROW_SIZE_MASK) >> ROW_SIZE_SHIFT) << 12; 596 597 tmp = 0; 598 for (i = (rdev->config.cayman.max_shader_engines - 1); i >= 0; i--) { 599 u32 rb_disable_bitmap; 600 601 WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i)); 602 WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i)); 603 rb_disable_bitmap = (RREG32(CC_RB_BACKEND_DISABLE) & 0x00ff0000) >> 16; 604 tmp <<= 4; 605 tmp |= rb_disable_bitmap; 606 } 607 /* enabled rb are just the one not disabled :) */ 608 disabled_rb_mask = tmp; 609 610 WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_BROADCAST_WRITES); 611 WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_BROADCAST_WRITES); 612 613 WREG32(GB_ADDR_CONFIG, gb_addr_config); 614 WREG32(DMIF_ADDR_CONFIG, gb_addr_config); 615 WREG32(HDP_ADDR_CONFIG, gb_addr_config); 616 WREG32(DMA_TILING_CONFIG + DMA0_REGISTER_OFFSET, gb_addr_config); 617 WREG32(DMA_TILING_CONFIG + DMA1_REGISTER_OFFSET, gb_addr_config); 618 619 tmp = gb_addr_config & NUM_PIPES_MASK; 620 tmp = r6xx_remap_render_backend(rdev, tmp, 621 rdev->config.cayman.max_backends_per_se * 622 rdev->config.cayman.max_shader_engines, 623 CAYMAN_MAX_BACKENDS, disabled_rb_mask); 624 WREG32(GB_BACKEND_MAP, tmp); 625 626 cgts_tcc_disable = 0xffff0000; 627 for (i = 0; i < rdev->config.cayman.max_texture_channel_caches; i++) 628 cgts_tcc_disable &= ~(1 << (16 + i)); 629 WREG32(CGTS_TCC_DISABLE, cgts_tcc_disable); 630 WREG32(CGTS_SYS_TCC_DISABLE, cgts_tcc_disable); 631 WREG32(CGTS_USER_SYS_TCC_DISABLE, cgts_tcc_disable); 632 WREG32(CGTS_USER_TCC_DISABLE, cgts_tcc_disable); 633 634 /* reprogram the shader complex */ 635 cgts_sm_ctrl_reg = RREG32(CGTS_SM_CTRL_REG); 636 for (i = 0; i < 16; i++) 637 WREG32(CGTS_SM_CTRL_REG, OVERRIDE); 638 WREG32(CGTS_SM_CTRL_REG, cgts_sm_ctrl_reg); 639 640 /* set HW defaults for 3D engine */ 641 WREG32(CP_MEQ_THRESHOLDS, MEQ1_START(0x30) | MEQ2_START(0x60)); 642 643 sx_debug_1 = RREG32(SX_DEBUG_1); 644 sx_debug_1 |= ENABLE_NEW_SMX_ADDRESS; 645 WREG32(SX_DEBUG_1, sx_debug_1); 646 647 smx_dc_ctl0 = RREG32(SMX_DC_CTL0); 648 smx_dc_ctl0 &= ~NUMBER_OF_SETS(0x1ff); 649 smx_dc_ctl0 |= NUMBER_OF_SETS(rdev->config.cayman.sx_num_of_sets); 650 WREG32(SMX_DC_CTL0, smx_dc_ctl0); 651 652 WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(4) | CRC_SIMD_ID_WADDR_DISABLE); 653 654 /* need to be explicitly zero-ed */ 655 WREG32(VGT_OFFCHIP_LDS_BASE, 0); 656 WREG32(SQ_LSTMP_RING_BASE, 0); 657 WREG32(SQ_HSTMP_RING_BASE, 0); 658 WREG32(SQ_ESTMP_RING_BASE, 0); 659 WREG32(SQ_GSTMP_RING_BASE, 0); 660 WREG32(SQ_VSTMP_RING_BASE, 0); 661 WREG32(SQ_PSTMP_RING_BASE, 0); 662 663 WREG32(TA_CNTL_AUX, DISABLE_CUBE_ANISO); 664 665 WREG32(SX_EXPORT_BUFFER_SIZES, (COLOR_BUFFER_SIZE((rdev->config.cayman.sx_max_export_size / 4) - 1) | 666 POSITION_BUFFER_SIZE((rdev->config.cayman.sx_max_export_pos_size / 4) - 1) | 667 SMX_BUFFER_SIZE((rdev->config.cayman.sx_max_export_smx_size / 4) - 1))); 668 669 WREG32(PA_SC_FIFO_SIZE, (SC_PRIM_FIFO_SIZE(rdev->config.cayman.sc_prim_fifo_size) | 670 SC_HIZ_TILE_FIFO_SIZE(rdev->config.cayman.sc_hiz_tile_fifo_size) | 671 SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.cayman.sc_earlyz_tile_fifo_size))); 672 673 674 WREG32(VGT_NUM_INSTANCES, 1); 675 676 WREG32(CP_PERFMON_CNTL, 0); 677 678 WREG32(SQ_MS_FIFO_SIZES, (CACHE_FIFO_SIZE(16 * rdev->config.cayman.sq_num_cf_insts) | 679 FETCH_FIFO_HIWATER(0x4) | 680 DONE_FIFO_HIWATER(0xe0) | 681 ALU_UPDATE_FIFO_HIWATER(0x8))); 682 683 WREG32(SQ_GPR_RESOURCE_MGMT_1, NUM_CLAUSE_TEMP_GPRS(4)); 684 WREG32(SQ_CONFIG, (VC_ENABLE | 685 EXPORT_SRC_C | 686 GFX_PRIO(0) | 687 CS1_PRIO(0) | 688 CS2_PRIO(1))); 689 WREG32(SQ_DYN_GPR_CNTL_PS_FLUSH_REQ, DYN_GPR_ENABLE); 690 691 WREG32(PA_SC_FORCE_EOV_MAX_CNTS, (FORCE_EOV_MAX_CLK_CNT(4095) | 692 FORCE_EOV_MAX_REZ_CNT(255))); 693 694 WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(VC_AND_TC) | 695 AUTO_INVLD_EN(ES_AND_GS_AUTO)); 696 697 WREG32(VGT_GS_VERTEX_REUSE, 16); 698 WREG32(PA_SC_LINE_STIPPLE_STATE, 0); 699 700 WREG32(CB_PERF_CTR0_SEL_0, 0); 701 WREG32(CB_PERF_CTR0_SEL_1, 0); 702 WREG32(CB_PERF_CTR1_SEL_0, 0); 703 WREG32(CB_PERF_CTR1_SEL_1, 0); 704 WREG32(CB_PERF_CTR2_SEL_0, 0); 705 WREG32(CB_PERF_CTR2_SEL_1, 0); 706 WREG32(CB_PERF_CTR3_SEL_0, 0); 707 WREG32(CB_PERF_CTR3_SEL_1, 0); 708 709 tmp = RREG32(HDP_MISC_CNTL); 710 tmp |= HDP_FLUSH_INVALIDATE_CACHE; 711 WREG32(HDP_MISC_CNTL, tmp); 712 713 hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL); 714 WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl); 715 716 WREG32(PA_CL_ENHANCE, CLIP_VTX_REORDER_ENA | NUM_CLIP_SEQ(3)); 717 718 udelay(50); 719 } 720 721 /* 722 * GART 723 */ 724 void cayman_pcie_gart_tlb_flush(struct radeon_device *rdev) 725 { 726 /* flush hdp cache */ 727 WREG32(HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1); 728 729 /* bits 0-7 are the VM contexts0-7 */ 730 WREG32(VM_INVALIDATE_REQUEST, 1); 731 } 732 733 static int cayman_pcie_gart_enable(struct radeon_device *rdev) 734 { 735 int i, r; 736 737 if (rdev->gart.robj == NULL) { 738 dev_err(rdev->dev, "No VRAM object for PCIE GART.\n"); 739 return -EINVAL; 740 } 741 r = radeon_gart_table_vram_pin(rdev); 742 if (r) 743 return r; 744 radeon_gart_restore(rdev); 745 /* Setup TLB control */ 746 WREG32(MC_VM_MX_L1_TLB_CNTL, 747 (0xA << 7) | 748 ENABLE_L1_TLB | 749 ENABLE_L1_FRAGMENT_PROCESSING | 750 SYSTEM_ACCESS_MODE_NOT_IN_SYS | 751 ENABLE_ADVANCED_DRIVER_MODEL | 752 SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU); 753 /* Setup L2 cache */ 754 WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | 755 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE | 756 ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE | 757 EFFECTIVE_L2_QUEUE_SIZE(7) | 758 CONTEXT1_IDENTITY_ACCESS_MODE(1)); 759 WREG32(VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS | INVALIDATE_L2_CACHE); 760 WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY | 761 L2_CACHE_BIGK_FRAGMENT_SIZE(6)); 762 /* setup context0 */ 763 WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12); 764 WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12); 765 WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12); 766 WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR, 767 (u32)(rdev->dummy_page.addr >> 12)); 768 WREG32(VM_CONTEXT0_CNTL2, 0); 769 WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) | 770 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT); 771 772 WREG32(0x15D4, 0); 773 WREG32(0x15D8, 0); 774 WREG32(0x15DC, 0); 775 776 /* empty context1-7 */ 777 /* Assign the pt base to something valid for now; the pts used for 778 * the VMs are determined by the application and setup and assigned 779 * on the fly in the vm part of radeon_gart.c 780 */ 781 for (i = 1; i < 8; i++) { 782 WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR + (i << 2), 0); 783 WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR + (i << 2), rdev->vm_manager.max_pfn); 784 WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (i << 2), 785 rdev->gart.table_addr >> 12); 786 } 787 788 /* enable context1-7 */ 789 WREG32(VM_CONTEXT1_PROTECTION_FAULT_DEFAULT_ADDR, 790 (u32)(rdev->dummy_page.addr >> 12)); 791 WREG32(VM_CONTEXT1_CNTL2, 4); 792 WREG32(VM_CONTEXT1_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(1) | 793 RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT | 794 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT | 795 DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT | 796 DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT | 797 PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT | 798 PDE0_PROTECTION_FAULT_ENABLE_DEFAULT | 799 VALID_PROTECTION_FAULT_ENABLE_INTERRUPT | 800 VALID_PROTECTION_FAULT_ENABLE_DEFAULT | 801 READ_PROTECTION_FAULT_ENABLE_INTERRUPT | 802 READ_PROTECTION_FAULT_ENABLE_DEFAULT | 803 WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT | 804 WRITE_PROTECTION_FAULT_ENABLE_DEFAULT); 805 806 cayman_pcie_gart_tlb_flush(rdev); 807 DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n", 808 (unsigned)(rdev->mc.gtt_size >> 20), 809 (unsigned long long)rdev->gart.table_addr); 810 rdev->gart.ready = true; 811 return 0; 812 } 813 814 static void cayman_pcie_gart_disable(struct radeon_device *rdev) 815 { 816 /* Disable all tables */ 817 WREG32(VM_CONTEXT0_CNTL, 0); 818 WREG32(VM_CONTEXT1_CNTL, 0); 819 /* Setup TLB control */ 820 WREG32(MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_FRAGMENT_PROCESSING | 821 SYSTEM_ACCESS_MODE_NOT_IN_SYS | 822 SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU); 823 /* Setup L2 cache */ 824 WREG32(VM_L2_CNTL, ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE | 825 ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE | 826 EFFECTIVE_L2_QUEUE_SIZE(7) | 827 CONTEXT1_IDENTITY_ACCESS_MODE(1)); 828 WREG32(VM_L2_CNTL2, 0); 829 WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY | 830 L2_CACHE_BIGK_FRAGMENT_SIZE(6)); 831 radeon_gart_table_vram_unpin(rdev); 832 } 833 834 static void cayman_pcie_gart_fini(struct radeon_device *rdev) 835 { 836 cayman_pcie_gart_disable(rdev); 837 radeon_gart_table_vram_free(rdev); 838 radeon_gart_fini(rdev); 839 } 840 841 void cayman_cp_int_cntl_setup(struct radeon_device *rdev, 842 int ring, u32 cp_int_cntl) 843 { 844 u32 srbm_gfx_cntl = RREG32(SRBM_GFX_CNTL) & ~3; 845 846 WREG32(SRBM_GFX_CNTL, srbm_gfx_cntl | (ring & 3)); 847 WREG32(CP_INT_CNTL, cp_int_cntl); 848 } 849 850 /* 851 * CP. 852 */ 853 void cayman_fence_ring_emit(struct radeon_device *rdev, 854 struct radeon_fence *fence) 855 { 856 struct radeon_ring *ring = &rdev->ring[fence->ring]; 857 u64 addr = rdev->fence_drv[fence->ring].gpu_addr; 858 859 /* flush read cache over gart for this vmid */ 860 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1)); 861 radeon_ring_write(ring, (CP_COHER_CNTL2 - PACKET3_SET_CONFIG_REG_START) >> 2); 862 radeon_ring_write(ring, 0); 863 radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3)); 864 radeon_ring_write(ring, PACKET3_TC_ACTION_ENA | PACKET3_SH_ACTION_ENA); 865 radeon_ring_write(ring, 0xFFFFFFFF); 866 radeon_ring_write(ring, 0); 867 radeon_ring_write(ring, 10); /* poll interval */ 868 /* EVENT_WRITE_EOP - flush caches, send int */ 869 radeon_ring_write(ring, PACKET3(PACKET3_EVENT_WRITE_EOP, 4)); 870 radeon_ring_write(ring, EVENT_TYPE(CACHE_FLUSH_AND_INV_EVENT_TS) | EVENT_INDEX(5)); 871 radeon_ring_write(ring, addr & 0xffffffff); 872 radeon_ring_write(ring, (upper_32_bits(addr) & 0xff) | DATA_SEL(1) | INT_SEL(2)); 873 radeon_ring_write(ring, fence->seq); 874 radeon_ring_write(ring, 0); 875 } 876 877 void cayman_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib) 878 { 879 struct radeon_ring *ring = &rdev->ring[ib->ring]; 880 881 /* set to DX10/11 mode */ 882 radeon_ring_write(ring, PACKET3(PACKET3_MODE_CONTROL, 0)); 883 radeon_ring_write(ring, 1); 884 885 if (ring->rptr_save_reg) { 886 uint32_t next_rptr = ring->wptr + 3 + 4 + 8; 887 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1)); 888 radeon_ring_write(ring, ((ring->rptr_save_reg - 889 PACKET3_SET_CONFIG_REG_START) >> 2)); 890 radeon_ring_write(ring, next_rptr); 891 } 892 893 radeon_ring_write(ring, PACKET3(PACKET3_INDIRECT_BUFFER, 2)); 894 radeon_ring_write(ring, 895 #ifdef __BIG_ENDIAN 896 (2 << 0) | 897 #endif 898 (ib->gpu_addr & 0xFFFFFFFC)); 899 radeon_ring_write(ring, upper_32_bits(ib->gpu_addr) & 0xFF); 900 radeon_ring_write(ring, ib->length_dw | 901 (ib->vm ? (ib->vm->id << 24) : 0)); 902 903 /* flush read cache over gart for this vmid */ 904 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1)); 905 radeon_ring_write(ring, (CP_COHER_CNTL2 - PACKET3_SET_CONFIG_REG_START) >> 2); 906 radeon_ring_write(ring, ib->vm ? ib->vm->id : 0); 907 radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3)); 908 radeon_ring_write(ring, PACKET3_TC_ACTION_ENA | PACKET3_SH_ACTION_ENA); 909 radeon_ring_write(ring, 0xFFFFFFFF); 910 radeon_ring_write(ring, 0); 911 radeon_ring_write(ring, 10); /* poll interval */ 912 } 913 914 static void cayman_cp_enable(struct radeon_device *rdev, bool enable) 915 { 916 if (enable) 917 WREG32(CP_ME_CNTL, 0); 918 else { 919 radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size); 920 WREG32(CP_ME_CNTL, (CP_ME_HALT | CP_PFP_HALT)); 921 WREG32(SCRATCH_UMSK, 0); 922 rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false; 923 } 924 } 925 926 static int cayman_cp_load_microcode(struct radeon_device *rdev) 927 { 928 const __be32 *fw_data; 929 int i; 930 931 if (!rdev->me_fw || !rdev->pfp_fw) 932 return -EINVAL; 933 934 cayman_cp_enable(rdev, false); 935 936 fw_data = (const __be32 *)rdev->pfp_fw->data; 937 WREG32(CP_PFP_UCODE_ADDR, 0); 938 for (i = 0; i < CAYMAN_PFP_UCODE_SIZE; i++) 939 WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++)); 940 WREG32(CP_PFP_UCODE_ADDR, 0); 941 942 fw_data = (const __be32 *)rdev->me_fw->data; 943 WREG32(CP_ME_RAM_WADDR, 0); 944 for (i = 0; i < CAYMAN_PM4_UCODE_SIZE; i++) 945 WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++)); 946 947 WREG32(CP_PFP_UCODE_ADDR, 0); 948 WREG32(CP_ME_RAM_WADDR, 0); 949 WREG32(CP_ME_RAM_RADDR, 0); 950 return 0; 951 } 952 953 static int cayman_cp_start(struct radeon_device *rdev) 954 { 955 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; 956 int r, i; 957 958 r = radeon_ring_lock(rdev, ring, 7); 959 if (r) { 960 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r); 961 return r; 962 } 963 radeon_ring_write(ring, PACKET3(PACKET3_ME_INITIALIZE, 5)); 964 radeon_ring_write(ring, 0x1); 965 radeon_ring_write(ring, 0x0); 966 radeon_ring_write(ring, rdev->config.cayman.max_hw_contexts - 1); 967 radeon_ring_write(ring, PACKET3_ME_INITIALIZE_DEVICE_ID(1)); 968 radeon_ring_write(ring, 0); 969 radeon_ring_write(ring, 0); 970 radeon_ring_unlock_commit(rdev, ring); 971 972 cayman_cp_enable(rdev, true); 973 974 r = radeon_ring_lock(rdev, ring, cayman_default_size + 19); 975 if (r) { 976 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r); 977 return r; 978 } 979 980 /* setup clear context state */ 981 radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0)); 982 radeon_ring_write(ring, PACKET3_PREAMBLE_BEGIN_CLEAR_STATE); 983 984 for (i = 0; i < cayman_default_size; i++) 985 radeon_ring_write(ring, cayman_default_state[i]); 986 987 radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0)); 988 radeon_ring_write(ring, PACKET3_PREAMBLE_END_CLEAR_STATE); 989 990 /* set clear context state */ 991 radeon_ring_write(ring, PACKET3(PACKET3_CLEAR_STATE, 0)); 992 radeon_ring_write(ring, 0); 993 994 /* SQ_VTX_BASE_VTX_LOC */ 995 radeon_ring_write(ring, 0xc0026f00); 996 radeon_ring_write(ring, 0x00000000); 997 radeon_ring_write(ring, 0x00000000); 998 radeon_ring_write(ring, 0x00000000); 999 1000 /* Clear consts */ 1001 radeon_ring_write(ring, 0xc0036f00); 1002 radeon_ring_write(ring, 0x00000bc4); 1003 radeon_ring_write(ring, 0xffffffff); 1004 radeon_ring_write(ring, 0xffffffff); 1005 radeon_ring_write(ring, 0xffffffff); 1006 1007 radeon_ring_write(ring, 0xc0026900); 1008 radeon_ring_write(ring, 0x00000316); 1009 radeon_ring_write(ring, 0x0000000e); /* VGT_VERTEX_REUSE_BLOCK_CNTL */ 1010 radeon_ring_write(ring, 0x00000010); /* */ 1011 1012 radeon_ring_unlock_commit(rdev, ring); 1013 1014 /* XXX init other rings */ 1015 1016 return 0; 1017 } 1018 1019 static void cayman_cp_fini(struct radeon_device *rdev) 1020 { 1021 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; 1022 cayman_cp_enable(rdev, false); 1023 radeon_ring_fini(rdev, ring); 1024 radeon_scratch_free(rdev, ring->rptr_save_reg); 1025 } 1026 1027 static int cayman_cp_resume(struct radeon_device *rdev) 1028 { 1029 static const int ridx[] = { 1030 RADEON_RING_TYPE_GFX_INDEX, 1031 CAYMAN_RING_TYPE_CP1_INDEX, 1032 CAYMAN_RING_TYPE_CP2_INDEX 1033 }; 1034 static const unsigned cp_rb_cntl[] = { 1035 CP_RB0_CNTL, 1036 CP_RB1_CNTL, 1037 CP_RB2_CNTL, 1038 }; 1039 static const unsigned cp_rb_rptr_addr[] = { 1040 CP_RB0_RPTR_ADDR, 1041 CP_RB1_RPTR_ADDR, 1042 CP_RB2_RPTR_ADDR 1043 }; 1044 static const unsigned cp_rb_rptr_addr_hi[] = { 1045 CP_RB0_RPTR_ADDR_HI, 1046 CP_RB1_RPTR_ADDR_HI, 1047 CP_RB2_RPTR_ADDR_HI 1048 }; 1049 static const unsigned cp_rb_base[] = { 1050 CP_RB0_BASE, 1051 CP_RB1_BASE, 1052 CP_RB2_BASE 1053 }; 1054 struct radeon_ring *ring; 1055 int i, r; 1056 1057 /* Reset cp; if cp is reset, then PA, SH, VGT also need to be reset */ 1058 WREG32(GRBM_SOFT_RESET, (SOFT_RESET_CP | 1059 SOFT_RESET_PA | 1060 SOFT_RESET_SH | 1061 SOFT_RESET_VGT | 1062 SOFT_RESET_SPI | 1063 SOFT_RESET_SX)); 1064 RREG32(GRBM_SOFT_RESET); 1065 mdelay(15); 1066 WREG32(GRBM_SOFT_RESET, 0); 1067 RREG32(GRBM_SOFT_RESET); 1068 1069 WREG32(CP_SEM_WAIT_TIMER, 0x0); 1070 WREG32(CP_SEM_INCOMPLETE_TIMER_CNTL, 0x0); 1071 1072 /* Set the write pointer delay */ 1073 WREG32(CP_RB_WPTR_DELAY, 0); 1074 1075 WREG32(CP_DEBUG, (1 << 27)); 1076 1077 /* set the wb address whether it's enabled or not */ 1078 WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF); 1079 WREG32(SCRATCH_UMSK, 0xff); 1080 1081 for (i = 0; i < 3; ++i) { 1082 uint32_t rb_cntl; 1083 uint64_t addr; 1084 1085 /* Set ring buffer size */ 1086 ring = &rdev->ring[ridx[i]]; 1087 rb_cntl = drm_order(ring->ring_size / 8); 1088 rb_cntl |= drm_order(RADEON_GPU_PAGE_SIZE/8) << 8; 1089 #ifdef __BIG_ENDIAN 1090 rb_cntl |= BUF_SWAP_32BIT; 1091 #endif 1092 WREG32(cp_rb_cntl[i], rb_cntl); 1093 1094 /* set the wb address whether it's enabled or not */ 1095 addr = rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET; 1096 WREG32(cp_rb_rptr_addr[i], addr & 0xFFFFFFFC); 1097 WREG32(cp_rb_rptr_addr_hi[i], upper_32_bits(addr) & 0xFF); 1098 } 1099 1100 /* set the rb base addr, this causes an internal reset of ALL rings */ 1101 for (i = 0; i < 3; ++i) { 1102 ring = &rdev->ring[ridx[i]]; 1103 WREG32(cp_rb_base[i], ring->gpu_addr >> 8); 1104 } 1105 1106 for (i = 0; i < 3; ++i) { 1107 /* Initialize the ring buffer's read and write pointers */ 1108 ring = &rdev->ring[ridx[i]]; 1109 WREG32_P(cp_rb_cntl[i], RB_RPTR_WR_ENA, ~RB_RPTR_WR_ENA); 1110 1111 ring->rptr = ring->wptr = 0; 1112 WREG32(ring->rptr_reg, ring->rptr); 1113 WREG32(ring->wptr_reg, ring->wptr); 1114 1115 mdelay(1); 1116 WREG32_P(cp_rb_cntl[i], 0, ~RB_RPTR_WR_ENA); 1117 } 1118 1119 /* start the rings */ 1120 cayman_cp_start(rdev); 1121 rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = true; 1122 rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false; 1123 rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false; 1124 /* this only test cp0 */ 1125 r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]); 1126 if (r) { 1127 rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false; 1128 rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false; 1129 rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false; 1130 return r; 1131 } 1132 1133 return 0; 1134 } 1135 1136 /* 1137 * DMA 1138 * Starting with R600, the GPU has an asynchronous 1139 * DMA engine. The programming model is very similar 1140 * to the 3D engine (ring buffer, IBs, etc.), but the 1141 * DMA controller has it's own packet format that is 1142 * different form the PM4 format used by the 3D engine. 1143 * It supports copying data, writing embedded data, 1144 * solid fills, and a number of other things. It also 1145 * has support for tiling/detiling of buffers. 1146 * Cayman and newer support two asynchronous DMA engines. 1147 */ 1148 /** 1149 * cayman_dma_ring_ib_execute - Schedule an IB on the DMA engine 1150 * 1151 * @rdev: radeon_device pointer 1152 * @ib: IB object to schedule 1153 * 1154 * Schedule an IB in the DMA ring (cayman-SI). 1155 */ 1156 void cayman_dma_ring_ib_execute(struct radeon_device *rdev, 1157 struct radeon_ib *ib) 1158 { 1159 struct radeon_ring *ring = &rdev->ring[ib->ring]; 1160 1161 if (rdev->wb.enabled) { 1162 u32 next_rptr = ring->wptr + 4; 1163 while ((next_rptr & 7) != 5) 1164 next_rptr++; 1165 next_rptr += 3; 1166 radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_WRITE, 0, 0, 1)); 1167 radeon_ring_write(ring, ring->next_rptr_gpu_addr & 0xfffffffc); 1168 radeon_ring_write(ring, upper_32_bits(ring->next_rptr_gpu_addr) & 0xff); 1169 radeon_ring_write(ring, next_rptr); 1170 } 1171 1172 /* The indirect buffer packet must end on an 8 DW boundary in the DMA ring. 1173 * Pad as necessary with NOPs. 1174 */ 1175 while ((ring->wptr & 7) != 5) 1176 radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0)); 1177 radeon_ring_write(ring, DMA_IB_PACKET(DMA_PACKET_INDIRECT_BUFFER, ib->vm ? ib->vm->id : 0, 0)); 1178 radeon_ring_write(ring, (ib->gpu_addr & 0xFFFFFFE0)); 1179 radeon_ring_write(ring, (ib->length_dw << 12) | (upper_32_bits(ib->gpu_addr) & 0xFF)); 1180 1181 } 1182 1183 /** 1184 * cayman_dma_stop - stop the async dma engines 1185 * 1186 * @rdev: radeon_device pointer 1187 * 1188 * Stop the async dma engines (cayman-SI). 1189 */ 1190 void cayman_dma_stop(struct radeon_device *rdev) 1191 { 1192 u32 rb_cntl; 1193 1194 radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size); 1195 1196 /* dma0 */ 1197 rb_cntl = RREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET); 1198 rb_cntl &= ~DMA_RB_ENABLE; 1199 WREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET, rb_cntl); 1200 1201 /* dma1 */ 1202 rb_cntl = RREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET); 1203 rb_cntl &= ~DMA_RB_ENABLE; 1204 WREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET, rb_cntl); 1205 1206 rdev->ring[R600_RING_TYPE_DMA_INDEX].ready = false; 1207 rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX].ready = false; 1208 } 1209 1210 /** 1211 * cayman_dma_resume - setup and start the async dma engines 1212 * 1213 * @rdev: radeon_device pointer 1214 * 1215 * Set up the DMA ring buffers and enable them. (cayman-SI). 1216 * Returns 0 for success, error for failure. 1217 */ 1218 int cayman_dma_resume(struct radeon_device *rdev) 1219 { 1220 struct radeon_ring *ring; 1221 u32 rb_cntl, dma_cntl, ib_cntl; 1222 u32 rb_bufsz; 1223 u32 reg_offset, wb_offset; 1224 int i, r; 1225 1226 /* Reset dma */ 1227 WREG32(SRBM_SOFT_RESET, SOFT_RESET_DMA | SOFT_RESET_DMA1); 1228 RREG32(SRBM_SOFT_RESET); 1229 udelay(50); 1230 WREG32(SRBM_SOFT_RESET, 0); 1231 1232 for (i = 0; i < 2; i++) { 1233 if (i == 0) { 1234 ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX]; 1235 reg_offset = DMA0_REGISTER_OFFSET; 1236 wb_offset = R600_WB_DMA_RPTR_OFFSET; 1237 } else { 1238 ring = &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX]; 1239 reg_offset = DMA1_REGISTER_OFFSET; 1240 wb_offset = CAYMAN_WB_DMA1_RPTR_OFFSET; 1241 } 1242 1243 WREG32(DMA_SEM_INCOMPLETE_TIMER_CNTL + reg_offset, 0); 1244 WREG32(DMA_SEM_WAIT_FAIL_TIMER_CNTL + reg_offset, 0); 1245 1246 /* Set ring buffer size in dwords */ 1247 rb_bufsz = drm_order(ring->ring_size / 4); 1248 rb_cntl = rb_bufsz << 1; 1249 #ifdef __BIG_ENDIAN 1250 rb_cntl |= DMA_RB_SWAP_ENABLE | DMA_RPTR_WRITEBACK_SWAP_ENABLE; 1251 #endif 1252 WREG32(DMA_RB_CNTL + reg_offset, rb_cntl); 1253 1254 /* Initialize the ring buffer's read and write pointers */ 1255 WREG32(DMA_RB_RPTR + reg_offset, 0); 1256 WREG32(DMA_RB_WPTR + reg_offset, 0); 1257 1258 /* set the wb address whether it's enabled or not */ 1259 WREG32(DMA_RB_RPTR_ADDR_HI + reg_offset, 1260 upper_32_bits(rdev->wb.gpu_addr + wb_offset) & 0xFF); 1261 WREG32(DMA_RB_RPTR_ADDR_LO + reg_offset, 1262 ((rdev->wb.gpu_addr + wb_offset) & 0xFFFFFFFC)); 1263 1264 if (rdev->wb.enabled) 1265 rb_cntl |= DMA_RPTR_WRITEBACK_ENABLE; 1266 1267 WREG32(DMA_RB_BASE + reg_offset, ring->gpu_addr >> 8); 1268 1269 /* enable DMA IBs */ 1270 ib_cntl = DMA_IB_ENABLE | CMD_VMID_FORCE; 1271 #ifdef __BIG_ENDIAN 1272 ib_cntl |= DMA_IB_SWAP_ENABLE; 1273 #endif 1274 WREG32(DMA_IB_CNTL + reg_offset, ib_cntl); 1275 1276 dma_cntl = RREG32(DMA_CNTL + reg_offset); 1277 dma_cntl &= ~CTXEMPTY_INT_ENABLE; 1278 WREG32(DMA_CNTL + reg_offset, dma_cntl); 1279 1280 ring->wptr = 0; 1281 WREG32(DMA_RB_WPTR + reg_offset, ring->wptr << 2); 1282 1283 ring->rptr = RREG32(DMA_RB_RPTR + reg_offset) >> 2; 1284 1285 WREG32(DMA_RB_CNTL + reg_offset, rb_cntl | DMA_RB_ENABLE); 1286 1287 ring->ready = true; 1288 1289 r = radeon_ring_test(rdev, ring->idx, ring); 1290 if (r) { 1291 ring->ready = false; 1292 return r; 1293 } 1294 } 1295 1296 radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size); 1297 1298 return 0; 1299 } 1300 1301 /** 1302 * cayman_dma_fini - tear down the async dma engines 1303 * 1304 * @rdev: radeon_device pointer 1305 * 1306 * Stop the async dma engines and free the rings (cayman-SI). 1307 */ 1308 void cayman_dma_fini(struct radeon_device *rdev) 1309 { 1310 cayman_dma_stop(rdev); 1311 radeon_ring_fini(rdev, &rdev->ring[R600_RING_TYPE_DMA_INDEX]); 1312 radeon_ring_fini(rdev, &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX]); 1313 } 1314 1315 static u32 cayman_gpu_check_soft_reset(struct radeon_device *rdev) 1316 { 1317 u32 reset_mask = 0; 1318 u32 tmp; 1319 1320 /* GRBM_STATUS */ 1321 tmp = RREG32(GRBM_STATUS); 1322 if (tmp & (PA_BUSY | SC_BUSY | 1323 SH_BUSY | SX_BUSY | 1324 TA_BUSY | VGT_BUSY | 1325 DB_BUSY | CB_BUSY | 1326 GDS_BUSY | SPI_BUSY | 1327 IA_BUSY | IA_BUSY_NO_DMA)) 1328 reset_mask |= RADEON_RESET_GFX; 1329 1330 if (tmp & (CF_RQ_PENDING | PF_RQ_PENDING | 1331 CP_BUSY | CP_COHERENCY_BUSY)) 1332 reset_mask |= RADEON_RESET_CP; 1333 1334 if (tmp & GRBM_EE_BUSY) 1335 reset_mask |= RADEON_RESET_GRBM | RADEON_RESET_GFX | RADEON_RESET_CP; 1336 1337 /* DMA_STATUS_REG 0 */ 1338 tmp = RREG32(DMA_STATUS_REG + DMA0_REGISTER_OFFSET); 1339 if (!(tmp & DMA_IDLE)) 1340 reset_mask |= RADEON_RESET_DMA; 1341 1342 /* DMA_STATUS_REG 1 */ 1343 tmp = RREG32(DMA_STATUS_REG + DMA1_REGISTER_OFFSET); 1344 if (!(tmp & DMA_IDLE)) 1345 reset_mask |= RADEON_RESET_DMA1; 1346 1347 /* SRBM_STATUS2 */ 1348 tmp = RREG32(SRBM_STATUS2); 1349 if (tmp & DMA_BUSY) 1350 reset_mask |= RADEON_RESET_DMA; 1351 1352 if (tmp & DMA1_BUSY) 1353 reset_mask |= RADEON_RESET_DMA1; 1354 1355 /* SRBM_STATUS */ 1356 tmp = RREG32(SRBM_STATUS); 1357 if (tmp & (RLC_RQ_PENDING | RLC_BUSY)) 1358 reset_mask |= RADEON_RESET_RLC; 1359 1360 if (tmp & IH_BUSY) 1361 reset_mask |= RADEON_RESET_IH; 1362 1363 if (tmp & SEM_BUSY) 1364 reset_mask |= RADEON_RESET_SEM; 1365 1366 if (tmp & GRBM_RQ_PENDING) 1367 reset_mask |= RADEON_RESET_GRBM; 1368 1369 if (tmp & VMC_BUSY) 1370 reset_mask |= RADEON_RESET_VMC; 1371 1372 if (tmp & (MCB_BUSY | MCB_NON_DISPLAY_BUSY | 1373 MCC_BUSY | MCD_BUSY)) 1374 reset_mask |= RADEON_RESET_MC; 1375 1376 if (evergreen_is_display_hung(rdev)) 1377 reset_mask |= RADEON_RESET_DISPLAY; 1378 1379 /* VM_L2_STATUS */ 1380 tmp = RREG32(VM_L2_STATUS); 1381 if (tmp & L2_BUSY) 1382 reset_mask |= RADEON_RESET_VMC; 1383 1384 /* Skip MC reset as it's mostly likely not hung, just busy */ 1385 if (reset_mask & RADEON_RESET_MC) { 1386 DRM_DEBUG("MC busy: 0x%08X, clearing.\n", reset_mask); 1387 reset_mask &= ~RADEON_RESET_MC; 1388 } 1389 1390 return reset_mask; 1391 } 1392 1393 static void cayman_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask) 1394 { 1395 struct evergreen_mc_save save; 1396 u32 grbm_soft_reset = 0, srbm_soft_reset = 0; 1397 u32 tmp; 1398 1399 if (reset_mask == 0) 1400 return; 1401 1402 dev_info(rdev->dev, "GPU softreset: 0x%08X\n", reset_mask); 1403 1404 evergreen_print_gpu_status_regs(rdev); 1405 dev_info(rdev->dev, " VM_CONTEXT0_PROTECTION_FAULT_ADDR 0x%08X\n", 1406 RREG32(0x14F8)); 1407 dev_info(rdev->dev, " VM_CONTEXT0_PROTECTION_FAULT_STATUS 0x%08X\n", 1408 RREG32(0x14D8)); 1409 dev_info(rdev->dev, " VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x%08X\n", 1410 RREG32(0x14FC)); 1411 dev_info(rdev->dev, " VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n", 1412 RREG32(0x14DC)); 1413 1414 /* Disable CP parsing/prefetching */ 1415 WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT); 1416 1417 if (reset_mask & RADEON_RESET_DMA) { 1418 /* dma0 */ 1419 tmp = RREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET); 1420 tmp &= ~DMA_RB_ENABLE; 1421 WREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET, tmp); 1422 } 1423 1424 if (reset_mask & RADEON_RESET_DMA1) { 1425 /* dma1 */ 1426 tmp = RREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET); 1427 tmp &= ~DMA_RB_ENABLE; 1428 WREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET, tmp); 1429 } 1430 1431 udelay(50); 1432 1433 evergreen_mc_stop(rdev, &save); 1434 if (evergreen_mc_wait_for_idle(rdev)) { 1435 dev_warn(rdev->dev, "Wait for MC idle timedout !\n"); 1436 } 1437 1438 if (reset_mask & (RADEON_RESET_GFX | RADEON_RESET_COMPUTE)) { 1439 grbm_soft_reset = SOFT_RESET_CB | 1440 SOFT_RESET_DB | 1441 SOFT_RESET_GDS | 1442 SOFT_RESET_PA | 1443 SOFT_RESET_SC | 1444 SOFT_RESET_SPI | 1445 SOFT_RESET_SH | 1446 SOFT_RESET_SX | 1447 SOFT_RESET_TC | 1448 SOFT_RESET_TA | 1449 SOFT_RESET_VGT | 1450 SOFT_RESET_IA; 1451 } 1452 1453 if (reset_mask & RADEON_RESET_CP) { 1454 grbm_soft_reset |= SOFT_RESET_CP | SOFT_RESET_VGT; 1455 1456 srbm_soft_reset |= SOFT_RESET_GRBM; 1457 } 1458 1459 if (reset_mask & RADEON_RESET_DMA) 1460 srbm_soft_reset |= SOFT_RESET_DMA; 1461 1462 if (reset_mask & RADEON_RESET_DMA1) 1463 srbm_soft_reset |= SOFT_RESET_DMA1; 1464 1465 if (reset_mask & RADEON_RESET_DISPLAY) 1466 srbm_soft_reset |= SOFT_RESET_DC; 1467 1468 if (reset_mask & RADEON_RESET_RLC) 1469 srbm_soft_reset |= SOFT_RESET_RLC; 1470 1471 if (reset_mask & RADEON_RESET_SEM) 1472 srbm_soft_reset |= SOFT_RESET_SEM; 1473 1474 if (reset_mask & RADEON_RESET_IH) 1475 srbm_soft_reset |= SOFT_RESET_IH; 1476 1477 if (reset_mask & RADEON_RESET_GRBM) 1478 srbm_soft_reset |= SOFT_RESET_GRBM; 1479 1480 if (reset_mask & RADEON_RESET_VMC) 1481 srbm_soft_reset |= SOFT_RESET_VMC; 1482 1483 if (!(rdev->flags & RADEON_IS_IGP)) { 1484 if (reset_mask & RADEON_RESET_MC) 1485 srbm_soft_reset |= SOFT_RESET_MC; 1486 } 1487 1488 if (grbm_soft_reset) { 1489 tmp = RREG32(GRBM_SOFT_RESET); 1490 tmp |= grbm_soft_reset; 1491 dev_info(rdev->dev, "GRBM_SOFT_RESET=0x%08X\n", tmp); 1492 WREG32(GRBM_SOFT_RESET, tmp); 1493 tmp = RREG32(GRBM_SOFT_RESET); 1494 1495 udelay(50); 1496 1497 tmp &= ~grbm_soft_reset; 1498 WREG32(GRBM_SOFT_RESET, tmp); 1499 tmp = RREG32(GRBM_SOFT_RESET); 1500 } 1501 1502 if (srbm_soft_reset) { 1503 tmp = RREG32(SRBM_SOFT_RESET); 1504 tmp |= srbm_soft_reset; 1505 dev_info(rdev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp); 1506 WREG32(SRBM_SOFT_RESET, tmp); 1507 tmp = RREG32(SRBM_SOFT_RESET); 1508 1509 udelay(50); 1510 1511 tmp &= ~srbm_soft_reset; 1512 WREG32(SRBM_SOFT_RESET, tmp); 1513 tmp = RREG32(SRBM_SOFT_RESET); 1514 } 1515 1516 /* Wait a little for things to settle down */ 1517 udelay(50); 1518 1519 evergreen_mc_resume(rdev, &save); 1520 udelay(50); 1521 1522 evergreen_print_gpu_status_regs(rdev); 1523 } 1524 1525 int cayman_asic_reset(struct radeon_device *rdev) 1526 { 1527 u32 reset_mask; 1528 1529 reset_mask = cayman_gpu_check_soft_reset(rdev); 1530 1531 if (reset_mask) 1532 r600_set_bios_scratch_engine_hung(rdev, true); 1533 1534 cayman_gpu_soft_reset(rdev, reset_mask); 1535 1536 reset_mask = cayman_gpu_check_soft_reset(rdev); 1537 1538 if (!reset_mask) 1539 r600_set_bios_scratch_engine_hung(rdev, false); 1540 1541 return 0; 1542 } 1543 1544 /** 1545 * cayman_gfx_is_lockup - Check if the GFX engine is locked up 1546 * 1547 * @rdev: radeon_device pointer 1548 * @ring: radeon_ring structure holding ring information 1549 * 1550 * Check if the GFX engine is locked up. 1551 * Returns true if the engine appears to be locked up, false if not. 1552 */ 1553 bool cayman_gfx_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring) 1554 { 1555 u32 reset_mask = cayman_gpu_check_soft_reset(rdev); 1556 1557 if (!(reset_mask & (RADEON_RESET_GFX | 1558 RADEON_RESET_COMPUTE | 1559 RADEON_RESET_CP))) { 1560 radeon_ring_lockup_update(ring); 1561 return false; 1562 } 1563 /* force CP activities */ 1564 radeon_ring_force_activity(rdev, ring); 1565 return radeon_ring_test_lockup(rdev, ring); 1566 } 1567 1568 /** 1569 * cayman_dma_is_lockup - Check if the DMA engine is locked up 1570 * 1571 * @rdev: radeon_device pointer 1572 * @ring: radeon_ring structure holding ring information 1573 * 1574 * Check if the async DMA engine is locked up. 1575 * Returns true if the engine appears to be locked up, false if not. 1576 */ 1577 bool cayman_dma_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring) 1578 { 1579 u32 reset_mask = cayman_gpu_check_soft_reset(rdev); 1580 u32 mask; 1581 1582 if (ring->idx == R600_RING_TYPE_DMA_INDEX) 1583 mask = RADEON_RESET_DMA; 1584 else 1585 mask = RADEON_RESET_DMA1; 1586 1587 if (!(reset_mask & mask)) { 1588 radeon_ring_lockup_update(ring); 1589 return false; 1590 } 1591 /* force ring activities */ 1592 radeon_ring_force_activity(rdev, ring); 1593 return radeon_ring_test_lockup(rdev, ring); 1594 } 1595 1596 static int cayman_startup(struct radeon_device *rdev) 1597 { 1598 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; 1599 int r; 1600 1601 /* enable pcie gen2 link */ 1602 evergreen_pcie_gen2_enable(rdev); 1603 1604 if (rdev->flags & RADEON_IS_IGP) { 1605 if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) { 1606 r = ni_init_microcode(rdev); 1607 if (r) { 1608 DRM_ERROR("Failed to load firmware!\n"); 1609 return r; 1610 } 1611 } 1612 } else { 1613 if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw || !rdev->mc_fw) { 1614 r = ni_init_microcode(rdev); 1615 if (r) { 1616 DRM_ERROR("Failed to load firmware!\n"); 1617 return r; 1618 } 1619 } 1620 1621 r = ni_mc_load_microcode(rdev); 1622 if (r) { 1623 DRM_ERROR("Failed to load MC firmware!\n"); 1624 return r; 1625 } 1626 } 1627 1628 r = r600_vram_scratch_init(rdev); 1629 if (r) 1630 return r; 1631 1632 evergreen_mc_program(rdev); 1633 r = cayman_pcie_gart_enable(rdev); 1634 if (r) 1635 return r; 1636 cayman_gpu_init(rdev); 1637 1638 r = evergreen_blit_init(rdev); 1639 if (r) { 1640 r600_blit_fini(rdev); 1641 rdev->asic->copy.copy = NULL; 1642 dev_warn(rdev->dev, "failed blitter (%d) falling back to memcpy\n", r); 1643 } 1644 1645 /* allocate rlc buffers */ 1646 if (rdev->flags & RADEON_IS_IGP) { 1647 r = si_rlc_init(rdev); 1648 if (r) { 1649 DRM_ERROR("Failed to init rlc BOs!\n"); 1650 return r; 1651 } 1652 } 1653 1654 /* allocate wb buffer */ 1655 r = radeon_wb_init(rdev); 1656 if (r) 1657 return r; 1658 1659 r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX); 1660 if (r) { 1661 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r); 1662 return r; 1663 } 1664 1665 r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_CP1_INDEX); 1666 if (r) { 1667 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r); 1668 return r; 1669 } 1670 1671 r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_CP2_INDEX); 1672 if (r) { 1673 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r); 1674 return r; 1675 } 1676 1677 r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_DMA_INDEX); 1678 if (r) { 1679 dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r); 1680 return r; 1681 } 1682 1683 r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_DMA1_INDEX); 1684 if (r) { 1685 dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r); 1686 return r; 1687 } 1688 1689 /* Enable IRQ */ 1690 r = r600_irq_init(rdev); 1691 if (r) { 1692 DRM_ERROR("radeon: IH init failed (%d).\n", r); 1693 radeon_irq_kms_fini(rdev); 1694 return r; 1695 } 1696 evergreen_irq_set(rdev); 1697 1698 r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET, 1699 CP_RB0_RPTR, CP_RB0_WPTR, 1700 0, 0xfffff, RADEON_CP_PACKET2); 1701 if (r) 1702 return r; 1703 1704 ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX]; 1705 r = radeon_ring_init(rdev, ring, ring->ring_size, R600_WB_DMA_RPTR_OFFSET, 1706 DMA_RB_RPTR + DMA0_REGISTER_OFFSET, 1707 DMA_RB_WPTR + DMA0_REGISTER_OFFSET, 1708 2, 0x3fffc, DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0)); 1709 if (r) 1710 return r; 1711 1712 ring = &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX]; 1713 r = radeon_ring_init(rdev, ring, ring->ring_size, CAYMAN_WB_DMA1_RPTR_OFFSET, 1714 DMA_RB_RPTR + DMA1_REGISTER_OFFSET, 1715 DMA_RB_WPTR + DMA1_REGISTER_OFFSET, 1716 2, 0x3fffc, DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0)); 1717 if (r) 1718 return r; 1719 1720 r = cayman_cp_load_microcode(rdev); 1721 if (r) 1722 return r; 1723 r = cayman_cp_resume(rdev); 1724 if (r) 1725 return r; 1726 1727 r = cayman_dma_resume(rdev); 1728 if (r) 1729 return r; 1730 1731 r = radeon_ib_pool_init(rdev); 1732 if (r) { 1733 dev_err(rdev->dev, "IB initialization failed (%d).\n", r); 1734 return r; 1735 } 1736 1737 r = radeon_vm_manager_init(rdev); 1738 if (r) { 1739 dev_err(rdev->dev, "vm manager initialization failed (%d).\n", r); 1740 return r; 1741 } 1742 1743 r = r600_audio_init(rdev); 1744 if (r) 1745 return r; 1746 1747 return 0; 1748 } 1749 1750 int cayman_resume(struct radeon_device *rdev) 1751 { 1752 int r; 1753 1754 /* Do not reset GPU before posting, on rv770 hw unlike on r500 hw, 1755 * posting will perform necessary task to bring back GPU into good 1756 * shape. 1757 */ 1758 /* post card */ 1759 atom_asic_init(rdev->mode_info.atom_context); 1760 1761 rdev->accel_working = true; 1762 r = cayman_startup(rdev); 1763 if (r) { 1764 DRM_ERROR("cayman startup failed on resume\n"); 1765 rdev->accel_working = false; 1766 return r; 1767 } 1768 return r; 1769 } 1770 1771 int cayman_suspend(struct radeon_device *rdev) 1772 { 1773 r600_audio_fini(rdev); 1774 cayman_cp_enable(rdev, false); 1775 cayman_dma_stop(rdev); 1776 evergreen_irq_suspend(rdev); 1777 radeon_wb_disable(rdev); 1778 cayman_pcie_gart_disable(rdev); 1779 return 0; 1780 } 1781 1782 /* Plan is to move initialization in that function and use 1783 * helper function so that radeon_device_init pretty much 1784 * do nothing more than calling asic specific function. This 1785 * should also allow to remove a bunch of callback function 1786 * like vram_info. 1787 */ 1788 int cayman_init(struct radeon_device *rdev) 1789 { 1790 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; 1791 int r; 1792 1793 /* Read BIOS */ 1794 if (!radeon_get_bios(rdev)) { 1795 if (ASIC_IS_AVIVO(rdev)) 1796 return -EINVAL; 1797 } 1798 /* Must be an ATOMBIOS */ 1799 if (!rdev->is_atom_bios) { 1800 dev_err(rdev->dev, "Expecting atombios for cayman GPU\n"); 1801 return -EINVAL; 1802 } 1803 r = radeon_atombios_init(rdev); 1804 if (r) 1805 return r; 1806 1807 /* Post card if necessary */ 1808 if (!radeon_card_posted(rdev)) { 1809 if (!rdev->bios) { 1810 dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n"); 1811 return -EINVAL; 1812 } 1813 DRM_INFO("GPU not posted. posting now...\n"); 1814 atom_asic_init(rdev->mode_info.atom_context); 1815 } 1816 /* Initialize scratch registers */ 1817 r600_scratch_init(rdev); 1818 /* Initialize surface registers */ 1819 radeon_surface_init(rdev); 1820 /* Initialize clocks */ 1821 radeon_get_clock_info(rdev->ddev); 1822 /* Fence driver */ 1823 r = radeon_fence_driver_init(rdev); 1824 if (r) 1825 return r; 1826 /* initialize memory controller */ 1827 r = evergreen_mc_init(rdev); 1828 if (r) 1829 return r; 1830 /* Memory manager */ 1831 r = radeon_bo_init(rdev); 1832 if (r) 1833 return r; 1834 1835 r = radeon_irq_kms_init(rdev); 1836 if (r) 1837 return r; 1838 1839 ring->ring_obj = NULL; 1840 r600_ring_init(rdev, ring, 1024 * 1024); 1841 1842 ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX]; 1843 ring->ring_obj = NULL; 1844 r600_ring_init(rdev, ring, 64 * 1024); 1845 1846 ring = &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX]; 1847 ring->ring_obj = NULL; 1848 r600_ring_init(rdev, ring, 64 * 1024); 1849 1850 rdev->ih.ring_obj = NULL; 1851 r600_ih_ring_init(rdev, 64 * 1024); 1852 1853 r = r600_pcie_gart_init(rdev); 1854 if (r) 1855 return r; 1856 1857 rdev->accel_working = true; 1858 r = cayman_startup(rdev); 1859 if (r) { 1860 dev_err(rdev->dev, "disabling GPU acceleration\n"); 1861 cayman_cp_fini(rdev); 1862 cayman_dma_fini(rdev); 1863 r600_irq_fini(rdev); 1864 if (rdev->flags & RADEON_IS_IGP) 1865 si_rlc_fini(rdev); 1866 radeon_wb_fini(rdev); 1867 radeon_ib_pool_fini(rdev); 1868 radeon_vm_manager_fini(rdev); 1869 radeon_irq_kms_fini(rdev); 1870 cayman_pcie_gart_fini(rdev); 1871 rdev->accel_working = false; 1872 } 1873 1874 /* Don't start up if the MC ucode is missing. 1875 * The default clocks and voltages before the MC ucode 1876 * is loaded are not suffient for advanced operations. 1877 * 1878 * We can skip this check for TN, because there is no MC 1879 * ucode. 1880 */ 1881 if (!rdev->mc_fw && !(rdev->flags & RADEON_IS_IGP)) { 1882 DRM_ERROR("radeon: MC ucode required for NI+.\n"); 1883 return -EINVAL; 1884 } 1885 1886 return 0; 1887 } 1888 1889 void cayman_fini(struct radeon_device *rdev) 1890 { 1891 r600_blit_fini(rdev); 1892 cayman_cp_fini(rdev); 1893 cayman_dma_fini(rdev); 1894 r600_irq_fini(rdev); 1895 if (rdev->flags & RADEON_IS_IGP) 1896 si_rlc_fini(rdev); 1897 radeon_wb_fini(rdev); 1898 radeon_vm_manager_fini(rdev); 1899 radeon_ib_pool_fini(rdev); 1900 radeon_irq_kms_fini(rdev); 1901 cayman_pcie_gart_fini(rdev); 1902 r600_vram_scratch_fini(rdev); 1903 radeon_gem_fini(rdev); 1904 radeon_fence_driver_fini(rdev); 1905 radeon_bo_fini(rdev); 1906 radeon_atombios_fini(rdev); 1907 kfree(rdev->bios); 1908 rdev->bios = NULL; 1909 } 1910 1911 /* 1912 * vm 1913 */ 1914 int cayman_vm_init(struct radeon_device *rdev) 1915 { 1916 /* number of VMs */ 1917 rdev->vm_manager.nvm = 8; 1918 /* base offset of vram pages */ 1919 if (rdev->flags & RADEON_IS_IGP) { 1920 u64 tmp = RREG32(FUS_MC_VM_FB_OFFSET); 1921 tmp <<= 22; 1922 rdev->vm_manager.vram_base_offset = tmp; 1923 } else 1924 rdev->vm_manager.vram_base_offset = 0; 1925 return 0; 1926 } 1927 1928 void cayman_vm_fini(struct radeon_device *rdev) 1929 { 1930 } 1931 1932 #define R600_ENTRY_VALID (1 << 0) 1933 #define R600_PTE_SYSTEM (1 << 1) 1934 #define R600_PTE_SNOOPED (1 << 2) 1935 #define R600_PTE_READABLE (1 << 5) 1936 #define R600_PTE_WRITEABLE (1 << 6) 1937 1938 uint32_t cayman_vm_page_flags(struct radeon_device *rdev, uint32_t flags) 1939 { 1940 uint32_t r600_flags = 0; 1941 r600_flags |= (flags & RADEON_VM_PAGE_VALID) ? R600_ENTRY_VALID : 0; 1942 r600_flags |= (flags & RADEON_VM_PAGE_READABLE) ? R600_PTE_READABLE : 0; 1943 r600_flags |= (flags & RADEON_VM_PAGE_WRITEABLE) ? R600_PTE_WRITEABLE : 0; 1944 if (flags & RADEON_VM_PAGE_SYSTEM) { 1945 r600_flags |= R600_PTE_SYSTEM; 1946 r600_flags |= (flags & RADEON_VM_PAGE_SNOOPED) ? R600_PTE_SNOOPED : 0; 1947 } 1948 return r600_flags; 1949 } 1950 1951 /** 1952 * cayman_vm_set_page - update the page tables using the CP 1953 * 1954 * @rdev: radeon_device pointer 1955 * @ib: indirect buffer to fill with commands 1956 * @pe: addr of the page entry 1957 * @addr: dst addr to write into pe 1958 * @count: number of page entries to update 1959 * @incr: increase next addr by incr bytes 1960 * @flags: access flags 1961 * 1962 * Update the page tables using the CP (cayman/TN). 1963 */ 1964 void cayman_vm_set_page(struct radeon_device *rdev, 1965 struct radeon_ib *ib, 1966 uint64_t pe, 1967 uint64_t addr, unsigned count, 1968 uint32_t incr, uint32_t flags) 1969 { 1970 uint32_t r600_flags = cayman_vm_page_flags(rdev, flags); 1971 uint64_t value; 1972 unsigned ndw; 1973 1974 if (rdev->asic->vm.pt_ring_index == RADEON_RING_TYPE_GFX_INDEX) { 1975 while (count) { 1976 ndw = 1 + count * 2; 1977 if (ndw > 0x3FFF) 1978 ndw = 0x3FFF; 1979 1980 ib->ptr[ib->length_dw++] = PACKET3(PACKET3_ME_WRITE, ndw); 1981 ib->ptr[ib->length_dw++] = pe; 1982 ib->ptr[ib->length_dw++] = upper_32_bits(pe) & 0xff; 1983 for (; ndw > 1; ndw -= 2, --count, pe += 8) { 1984 if (flags & RADEON_VM_PAGE_SYSTEM) { 1985 value = radeon_vm_map_gart(rdev, addr); 1986 value &= 0xFFFFFFFFFFFFF000ULL; 1987 } else if (flags & RADEON_VM_PAGE_VALID) { 1988 value = addr; 1989 } else { 1990 value = 0; 1991 } 1992 addr += incr; 1993 value |= r600_flags; 1994 ib->ptr[ib->length_dw++] = value; 1995 ib->ptr[ib->length_dw++] = upper_32_bits(value); 1996 } 1997 } 1998 } else { 1999 while (count) { 2000 ndw = count * 2; 2001 if (ndw > 0xFFFFE) 2002 ndw = 0xFFFFE; 2003 2004 /* for non-physically contiguous pages (system) */ 2005 ib->ptr[ib->length_dw++] = DMA_PACKET(DMA_PACKET_WRITE, 0, 0, ndw); 2006 ib->ptr[ib->length_dw++] = pe; 2007 ib->ptr[ib->length_dw++] = upper_32_bits(pe) & 0xff; 2008 for (; ndw > 0; ndw -= 2, --count, pe += 8) { 2009 if (flags & RADEON_VM_PAGE_SYSTEM) { 2010 value = radeon_vm_map_gart(rdev, addr); 2011 value &= 0xFFFFFFFFFFFFF000ULL; 2012 } else if (flags & RADEON_VM_PAGE_VALID) { 2013 value = addr; 2014 } else { 2015 value = 0; 2016 } 2017 addr += incr; 2018 value |= r600_flags; 2019 ib->ptr[ib->length_dw++] = value; 2020 ib->ptr[ib->length_dw++] = upper_32_bits(value); 2021 } 2022 } 2023 while (ib->length_dw & 0x7) 2024 ib->ptr[ib->length_dw++] = DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0); 2025 } 2026 } 2027 2028 /** 2029 * cayman_vm_flush - vm flush using the CP 2030 * 2031 * @rdev: radeon_device pointer 2032 * 2033 * Update the page table base and flush the VM TLB 2034 * using the CP (cayman-si). 2035 */ 2036 void cayman_vm_flush(struct radeon_device *rdev, int ridx, struct radeon_vm *vm) 2037 { 2038 struct radeon_ring *ring = &rdev->ring[ridx]; 2039 2040 if (vm == NULL) 2041 return; 2042 2043 radeon_ring_write(ring, PACKET0(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (vm->id << 2), 0)); 2044 radeon_ring_write(ring, vm->pd_gpu_addr >> 12); 2045 2046 /* flush hdp cache */ 2047 radeon_ring_write(ring, PACKET0(HDP_MEM_COHERENCY_FLUSH_CNTL, 0)); 2048 radeon_ring_write(ring, 0x1); 2049 2050 /* bits 0-7 are the VM contexts0-7 */ 2051 radeon_ring_write(ring, PACKET0(VM_INVALIDATE_REQUEST, 0)); 2052 radeon_ring_write(ring, 1 << vm->id); 2053 2054 /* sync PFP to ME, otherwise we might get invalid PFP reads */ 2055 radeon_ring_write(ring, PACKET3(PACKET3_PFP_SYNC_ME, 0)); 2056 radeon_ring_write(ring, 0x0); 2057 } 2058 2059 void cayman_dma_vm_flush(struct radeon_device *rdev, int ridx, struct radeon_vm *vm) 2060 { 2061 struct radeon_ring *ring = &rdev->ring[ridx]; 2062 2063 if (vm == NULL) 2064 return; 2065 2066 radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_SRBM_WRITE, 0, 0, 0)); 2067 radeon_ring_write(ring, (0xf << 16) | ((VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (vm->id << 2)) >> 2)); 2068 radeon_ring_write(ring, vm->pd_gpu_addr >> 12); 2069 2070 /* flush hdp cache */ 2071 radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_SRBM_WRITE, 0, 0, 0)); 2072 radeon_ring_write(ring, (0xf << 16) | (HDP_MEM_COHERENCY_FLUSH_CNTL >> 2)); 2073 radeon_ring_write(ring, 1); 2074 2075 /* bits 0-7 are the VM contexts0-7 */ 2076 radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_SRBM_WRITE, 0, 0, 0)); 2077 radeon_ring_write(ring, (0xf << 16) | (VM_INVALIDATE_REQUEST >> 2)); 2078 radeon_ring_write(ring, 1 << vm->id); 2079 } 2080 2081