1 /* 2 * Copyright 2010 Advanced Micro Devices, Inc. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 * 22 * Authors: Alex Deucher 23 */ 24 #include <linux/firmware.h> 25 #include <linux/platform_device.h> 26 #include <linux/slab.h> 27 #include <linux/module.h> 28 #include "drmP.h" 29 #include "radeon.h" 30 #include "radeon_asic.h" 31 #include "radeon_drm.h" 32 #include "nid.h" 33 #include "atom.h" 34 #include "ni_reg.h" 35 #include "cayman_blit_shaders.h" 36 37 extern void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *save); 38 extern void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *save); 39 extern int evergreen_mc_wait_for_idle(struct radeon_device *rdev); 40 extern void evergreen_mc_program(struct radeon_device *rdev); 41 extern void evergreen_irq_suspend(struct radeon_device *rdev); 42 extern int evergreen_mc_init(struct radeon_device *rdev); 43 extern void evergreen_fix_pci_max_read_req_size(struct radeon_device *rdev); 44 extern void evergreen_pcie_gen2_enable(struct radeon_device *rdev); 45 extern void si_rlc_fini(struct radeon_device *rdev); 46 extern int si_rlc_init(struct radeon_device *rdev); 47 48 #define EVERGREEN_PFP_UCODE_SIZE 1120 49 #define EVERGREEN_PM4_UCODE_SIZE 1376 50 #define EVERGREEN_RLC_UCODE_SIZE 768 51 #define BTC_MC_UCODE_SIZE 6024 52 53 #define CAYMAN_PFP_UCODE_SIZE 2176 54 #define CAYMAN_PM4_UCODE_SIZE 2176 55 #define CAYMAN_RLC_UCODE_SIZE 1024 56 #define CAYMAN_MC_UCODE_SIZE 6037 57 58 #define ARUBA_RLC_UCODE_SIZE 1536 59 60 /* Firmware Names */ 61 MODULE_FIRMWARE("radeon/BARTS_pfp.bin"); 62 MODULE_FIRMWARE("radeon/BARTS_me.bin"); 63 MODULE_FIRMWARE("radeon/BARTS_mc.bin"); 64 MODULE_FIRMWARE("radeon/BTC_rlc.bin"); 65 MODULE_FIRMWARE("radeon/TURKS_pfp.bin"); 66 MODULE_FIRMWARE("radeon/TURKS_me.bin"); 67 MODULE_FIRMWARE("radeon/TURKS_mc.bin"); 68 MODULE_FIRMWARE("radeon/CAICOS_pfp.bin"); 69 MODULE_FIRMWARE("radeon/CAICOS_me.bin"); 70 MODULE_FIRMWARE("radeon/CAICOS_mc.bin"); 71 MODULE_FIRMWARE("radeon/CAYMAN_pfp.bin"); 72 MODULE_FIRMWARE("radeon/CAYMAN_me.bin"); 73 MODULE_FIRMWARE("radeon/CAYMAN_mc.bin"); 74 MODULE_FIRMWARE("radeon/CAYMAN_rlc.bin"); 75 MODULE_FIRMWARE("radeon/ARUBA_pfp.bin"); 76 MODULE_FIRMWARE("radeon/ARUBA_me.bin"); 77 MODULE_FIRMWARE("radeon/ARUBA_rlc.bin"); 78 79 #define BTC_IO_MC_REGS_SIZE 29 80 81 static const u32 barts_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = { 82 {0x00000077, 0xff010100}, 83 {0x00000078, 0x00000000}, 84 {0x00000079, 0x00001434}, 85 {0x0000007a, 0xcc08ec08}, 86 {0x0000007b, 0x00040000}, 87 {0x0000007c, 0x000080c0}, 88 {0x0000007d, 0x09000000}, 89 {0x0000007e, 0x00210404}, 90 {0x00000081, 0x08a8e800}, 91 {0x00000082, 0x00030444}, 92 {0x00000083, 0x00000000}, 93 {0x00000085, 0x00000001}, 94 {0x00000086, 0x00000002}, 95 {0x00000087, 0x48490000}, 96 {0x00000088, 0x20244647}, 97 {0x00000089, 0x00000005}, 98 {0x0000008b, 0x66030000}, 99 {0x0000008c, 0x00006603}, 100 {0x0000008d, 0x00000100}, 101 {0x0000008f, 0x00001c0a}, 102 {0x00000090, 0xff000001}, 103 {0x00000094, 0x00101101}, 104 {0x00000095, 0x00000fff}, 105 {0x00000096, 0x00116fff}, 106 {0x00000097, 0x60010000}, 107 {0x00000098, 0x10010000}, 108 {0x00000099, 0x00006000}, 109 {0x0000009a, 0x00001000}, 110 {0x0000009f, 0x00946a00} 111 }; 112 113 static const u32 turks_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = { 114 {0x00000077, 0xff010100}, 115 {0x00000078, 0x00000000}, 116 {0x00000079, 0x00001434}, 117 {0x0000007a, 0xcc08ec08}, 118 {0x0000007b, 0x00040000}, 119 {0x0000007c, 0x000080c0}, 120 {0x0000007d, 0x09000000}, 121 {0x0000007e, 0x00210404}, 122 {0x00000081, 0x08a8e800}, 123 {0x00000082, 0x00030444}, 124 {0x00000083, 0x00000000}, 125 {0x00000085, 0x00000001}, 126 {0x00000086, 0x00000002}, 127 {0x00000087, 0x48490000}, 128 {0x00000088, 0x20244647}, 129 {0x00000089, 0x00000005}, 130 {0x0000008b, 0x66030000}, 131 {0x0000008c, 0x00006603}, 132 {0x0000008d, 0x00000100}, 133 {0x0000008f, 0x00001c0a}, 134 {0x00000090, 0xff000001}, 135 {0x00000094, 0x00101101}, 136 {0x00000095, 0x00000fff}, 137 {0x00000096, 0x00116fff}, 138 {0x00000097, 0x60010000}, 139 {0x00000098, 0x10010000}, 140 {0x00000099, 0x00006000}, 141 {0x0000009a, 0x00001000}, 142 {0x0000009f, 0x00936a00} 143 }; 144 145 static const u32 caicos_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = { 146 {0x00000077, 0xff010100}, 147 {0x00000078, 0x00000000}, 148 {0x00000079, 0x00001434}, 149 {0x0000007a, 0xcc08ec08}, 150 {0x0000007b, 0x00040000}, 151 {0x0000007c, 0x000080c0}, 152 {0x0000007d, 0x09000000}, 153 {0x0000007e, 0x00210404}, 154 {0x00000081, 0x08a8e800}, 155 {0x00000082, 0x00030444}, 156 {0x00000083, 0x00000000}, 157 {0x00000085, 0x00000001}, 158 {0x00000086, 0x00000002}, 159 {0x00000087, 0x48490000}, 160 {0x00000088, 0x20244647}, 161 {0x00000089, 0x00000005}, 162 {0x0000008b, 0x66030000}, 163 {0x0000008c, 0x00006603}, 164 {0x0000008d, 0x00000100}, 165 {0x0000008f, 0x00001c0a}, 166 {0x00000090, 0xff000001}, 167 {0x00000094, 0x00101101}, 168 {0x00000095, 0x00000fff}, 169 {0x00000096, 0x00116fff}, 170 {0x00000097, 0x60010000}, 171 {0x00000098, 0x10010000}, 172 {0x00000099, 0x00006000}, 173 {0x0000009a, 0x00001000}, 174 {0x0000009f, 0x00916a00} 175 }; 176 177 static const u32 cayman_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = { 178 {0x00000077, 0xff010100}, 179 {0x00000078, 0x00000000}, 180 {0x00000079, 0x00001434}, 181 {0x0000007a, 0xcc08ec08}, 182 {0x0000007b, 0x00040000}, 183 {0x0000007c, 0x000080c0}, 184 {0x0000007d, 0x09000000}, 185 {0x0000007e, 0x00210404}, 186 {0x00000081, 0x08a8e800}, 187 {0x00000082, 0x00030444}, 188 {0x00000083, 0x00000000}, 189 {0x00000085, 0x00000001}, 190 {0x00000086, 0x00000002}, 191 {0x00000087, 0x48490000}, 192 {0x00000088, 0x20244647}, 193 {0x00000089, 0x00000005}, 194 {0x0000008b, 0x66030000}, 195 {0x0000008c, 0x00006603}, 196 {0x0000008d, 0x00000100}, 197 {0x0000008f, 0x00001c0a}, 198 {0x00000090, 0xff000001}, 199 {0x00000094, 0x00101101}, 200 {0x00000095, 0x00000fff}, 201 {0x00000096, 0x00116fff}, 202 {0x00000097, 0x60010000}, 203 {0x00000098, 0x10010000}, 204 {0x00000099, 0x00006000}, 205 {0x0000009a, 0x00001000}, 206 {0x0000009f, 0x00976b00} 207 }; 208 209 int ni_mc_load_microcode(struct radeon_device *rdev) 210 { 211 const __be32 *fw_data; 212 u32 mem_type, running, blackout = 0; 213 u32 *io_mc_regs; 214 int i, ucode_size, regs_size; 215 216 if (!rdev->mc_fw) 217 return -EINVAL; 218 219 switch (rdev->family) { 220 case CHIP_BARTS: 221 io_mc_regs = (u32 *)&barts_io_mc_regs; 222 ucode_size = BTC_MC_UCODE_SIZE; 223 regs_size = BTC_IO_MC_REGS_SIZE; 224 break; 225 case CHIP_TURKS: 226 io_mc_regs = (u32 *)&turks_io_mc_regs; 227 ucode_size = BTC_MC_UCODE_SIZE; 228 regs_size = BTC_IO_MC_REGS_SIZE; 229 break; 230 case CHIP_CAICOS: 231 default: 232 io_mc_regs = (u32 *)&caicos_io_mc_regs; 233 ucode_size = BTC_MC_UCODE_SIZE; 234 regs_size = BTC_IO_MC_REGS_SIZE; 235 break; 236 case CHIP_CAYMAN: 237 io_mc_regs = (u32 *)&cayman_io_mc_regs; 238 ucode_size = CAYMAN_MC_UCODE_SIZE; 239 regs_size = BTC_IO_MC_REGS_SIZE; 240 break; 241 } 242 243 mem_type = (RREG32(MC_SEQ_MISC0) & MC_SEQ_MISC0_GDDR5_MASK) >> MC_SEQ_MISC0_GDDR5_SHIFT; 244 running = RREG32(MC_SEQ_SUP_CNTL) & RUN_MASK; 245 246 if ((mem_type == MC_SEQ_MISC0_GDDR5_VALUE) && (running == 0)) { 247 if (running) { 248 blackout = RREG32(MC_SHARED_BLACKOUT_CNTL); 249 WREG32(MC_SHARED_BLACKOUT_CNTL, 1); 250 } 251 252 /* reset the engine and set to writable */ 253 WREG32(MC_SEQ_SUP_CNTL, 0x00000008); 254 WREG32(MC_SEQ_SUP_CNTL, 0x00000010); 255 256 /* load mc io regs */ 257 for (i = 0; i < regs_size; i++) { 258 WREG32(MC_SEQ_IO_DEBUG_INDEX, io_mc_regs[(i << 1)]); 259 WREG32(MC_SEQ_IO_DEBUG_DATA, io_mc_regs[(i << 1) + 1]); 260 } 261 /* load the MC ucode */ 262 fw_data = (const __be32 *)rdev->mc_fw->data; 263 for (i = 0; i < ucode_size; i++) 264 WREG32(MC_SEQ_SUP_PGM, be32_to_cpup(fw_data++)); 265 266 /* put the engine back into the active state */ 267 WREG32(MC_SEQ_SUP_CNTL, 0x00000008); 268 WREG32(MC_SEQ_SUP_CNTL, 0x00000004); 269 WREG32(MC_SEQ_SUP_CNTL, 0x00000001); 270 271 /* wait for training to complete */ 272 for (i = 0; i < rdev->usec_timeout; i++) { 273 if (RREG32(MC_IO_PAD_CNTL_D0) & MEM_FALL_OUT_CMD) 274 break; 275 udelay(1); 276 } 277 278 if (running) 279 WREG32(MC_SHARED_BLACKOUT_CNTL, blackout); 280 } 281 282 return 0; 283 } 284 285 int ni_init_microcode(struct radeon_device *rdev) 286 { 287 struct platform_device *pdev; 288 const char *chip_name; 289 const char *rlc_chip_name; 290 size_t pfp_req_size, me_req_size, rlc_req_size, mc_req_size; 291 char fw_name[30]; 292 int err; 293 294 DRM_DEBUG("\n"); 295 296 pdev = platform_device_register_simple("radeon_cp", 0, NULL, 0); 297 err = IS_ERR(pdev); 298 if (err) { 299 printk(KERN_ERR "radeon_cp: Failed to register firmware\n"); 300 return -EINVAL; 301 } 302 303 switch (rdev->family) { 304 case CHIP_BARTS: 305 chip_name = "BARTS"; 306 rlc_chip_name = "BTC"; 307 pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4; 308 me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4; 309 rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4; 310 mc_req_size = BTC_MC_UCODE_SIZE * 4; 311 break; 312 case CHIP_TURKS: 313 chip_name = "TURKS"; 314 rlc_chip_name = "BTC"; 315 pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4; 316 me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4; 317 rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4; 318 mc_req_size = BTC_MC_UCODE_SIZE * 4; 319 break; 320 case CHIP_CAICOS: 321 chip_name = "CAICOS"; 322 rlc_chip_name = "BTC"; 323 pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4; 324 me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4; 325 rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4; 326 mc_req_size = BTC_MC_UCODE_SIZE * 4; 327 break; 328 case CHIP_CAYMAN: 329 chip_name = "CAYMAN"; 330 rlc_chip_name = "CAYMAN"; 331 pfp_req_size = CAYMAN_PFP_UCODE_SIZE * 4; 332 me_req_size = CAYMAN_PM4_UCODE_SIZE * 4; 333 rlc_req_size = CAYMAN_RLC_UCODE_SIZE * 4; 334 mc_req_size = CAYMAN_MC_UCODE_SIZE * 4; 335 break; 336 case CHIP_ARUBA: 337 chip_name = "ARUBA"; 338 rlc_chip_name = "ARUBA"; 339 /* pfp/me same size as CAYMAN */ 340 pfp_req_size = CAYMAN_PFP_UCODE_SIZE * 4; 341 me_req_size = CAYMAN_PM4_UCODE_SIZE * 4; 342 rlc_req_size = ARUBA_RLC_UCODE_SIZE * 4; 343 mc_req_size = 0; 344 break; 345 default: BUG(); 346 } 347 348 DRM_INFO("Loading %s Microcode\n", chip_name); 349 350 snprintf(fw_name, sizeof(fw_name), "radeon/%s_pfp.bin", chip_name); 351 err = request_firmware(&rdev->pfp_fw, fw_name, &pdev->dev); 352 if (err) 353 goto out; 354 if (rdev->pfp_fw->size != pfp_req_size) { 355 printk(KERN_ERR 356 "ni_cp: Bogus length %zu in firmware \"%s\"\n", 357 rdev->pfp_fw->size, fw_name); 358 err = -EINVAL; 359 goto out; 360 } 361 362 snprintf(fw_name, sizeof(fw_name), "radeon/%s_me.bin", chip_name); 363 err = request_firmware(&rdev->me_fw, fw_name, &pdev->dev); 364 if (err) 365 goto out; 366 if (rdev->me_fw->size != me_req_size) { 367 printk(KERN_ERR 368 "ni_cp: Bogus length %zu in firmware \"%s\"\n", 369 rdev->me_fw->size, fw_name); 370 err = -EINVAL; 371 } 372 373 snprintf(fw_name, sizeof(fw_name), "radeon/%s_rlc.bin", rlc_chip_name); 374 err = request_firmware(&rdev->rlc_fw, fw_name, &pdev->dev); 375 if (err) 376 goto out; 377 if (rdev->rlc_fw->size != rlc_req_size) { 378 printk(KERN_ERR 379 "ni_rlc: Bogus length %zu in firmware \"%s\"\n", 380 rdev->rlc_fw->size, fw_name); 381 err = -EINVAL; 382 } 383 384 /* no MC ucode on TN */ 385 if (!(rdev->flags & RADEON_IS_IGP)) { 386 snprintf(fw_name, sizeof(fw_name), "radeon/%s_mc.bin", chip_name); 387 err = request_firmware(&rdev->mc_fw, fw_name, &pdev->dev); 388 if (err) 389 goto out; 390 if (rdev->mc_fw->size != mc_req_size) { 391 printk(KERN_ERR 392 "ni_mc: Bogus length %zu in firmware \"%s\"\n", 393 rdev->mc_fw->size, fw_name); 394 err = -EINVAL; 395 } 396 } 397 out: 398 platform_device_unregister(pdev); 399 400 if (err) { 401 if (err != -EINVAL) 402 printk(KERN_ERR 403 "ni_cp: Failed to load firmware \"%s\"\n", 404 fw_name); 405 release_firmware(rdev->pfp_fw); 406 rdev->pfp_fw = NULL; 407 release_firmware(rdev->me_fw); 408 rdev->me_fw = NULL; 409 release_firmware(rdev->rlc_fw); 410 rdev->rlc_fw = NULL; 411 release_firmware(rdev->mc_fw); 412 rdev->mc_fw = NULL; 413 } 414 return err; 415 } 416 417 /* 418 * Core functions 419 */ 420 static void cayman_gpu_init(struct radeon_device *rdev) 421 { 422 u32 gb_addr_config = 0; 423 u32 mc_shared_chmap, mc_arb_ramcfg; 424 u32 cgts_tcc_disable; 425 u32 sx_debug_1; 426 u32 smx_dc_ctl0; 427 u32 cgts_sm_ctrl_reg; 428 u32 hdp_host_path_cntl; 429 u32 tmp; 430 u32 disabled_rb_mask; 431 int i, j; 432 433 switch (rdev->family) { 434 case CHIP_CAYMAN: 435 rdev->config.cayman.max_shader_engines = 2; 436 rdev->config.cayman.max_pipes_per_simd = 4; 437 rdev->config.cayman.max_tile_pipes = 8; 438 rdev->config.cayman.max_simds_per_se = 12; 439 rdev->config.cayman.max_backends_per_se = 4; 440 rdev->config.cayman.max_texture_channel_caches = 8; 441 rdev->config.cayman.max_gprs = 256; 442 rdev->config.cayman.max_threads = 256; 443 rdev->config.cayman.max_gs_threads = 32; 444 rdev->config.cayman.max_stack_entries = 512; 445 rdev->config.cayman.sx_num_of_sets = 8; 446 rdev->config.cayman.sx_max_export_size = 256; 447 rdev->config.cayman.sx_max_export_pos_size = 64; 448 rdev->config.cayman.sx_max_export_smx_size = 192; 449 rdev->config.cayman.max_hw_contexts = 8; 450 rdev->config.cayman.sq_num_cf_insts = 2; 451 452 rdev->config.cayman.sc_prim_fifo_size = 0x100; 453 rdev->config.cayman.sc_hiz_tile_fifo_size = 0x30; 454 rdev->config.cayman.sc_earlyz_tile_fifo_size = 0x130; 455 gb_addr_config = CAYMAN_GB_ADDR_CONFIG_GOLDEN; 456 break; 457 case CHIP_ARUBA: 458 default: 459 rdev->config.cayman.max_shader_engines = 1; 460 rdev->config.cayman.max_pipes_per_simd = 4; 461 rdev->config.cayman.max_tile_pipes = 2; 462 if ((rdev->pdev->device == 0x9900) || 463 (rdev->pdev->device == 0x9901) || 464 (rdev->pdev->device == 0x9905) || 465 (rdev->pdev->device == 0x9906) || 466 (rdev->pdev->device == 0x9907) || 467 (rdev->pdev->device == 0x9908) || 468 (rdev->pdev->device == 0x9909) || 469 (rdev->pdev->device == 0x9910) || 470 (rdev->pdev->device == 0x9917)) { 471 rdev->config.cayman.max_simds_per_se = 6; 472 rdev->config.cayman.max_backends_per_se = 2; 473 } else if ((rdev->pdev->device == 0x9903) || 474 (rdev->pdev->device == 0x9904) || 475 (rdev->pdev->device == 0x990A) || 476 (rdev->pdev->device == 0x9913) || 477 (rdev->pdev->device == 0x9918)) { 478 rdev->config.cayman.max_simds_per_se = 4; 479 rdev->config.cayman.max_backends_per_se = 2; 480 } else if ((rdev->pdev->device == 0x9919) || 481 (rdev->pdev->device == 0x9990) || 482 (rdev->pdev->device == 0x9991) || 483 (rdev->pdev->device == 0x9994) || 484 (rdev->pdev->device == 0x99A0)) { 485 rdev->config.cayman.max_simds_per_se = 3; 486 rdev->config.cayman.max_backends_per_se = 1; 487 } else { 488 rdev->config.cayman.max_simds_per_se = 2; 489 rdev->config.cayman.max_backends_per_se = 1; 490 } 491 rdev->config.cayman.max_texture_channel_caches = 2; 492 rdev->config.cayman.max_gprs = 256; 493 rdev->config.cayman.max_threads = 256; 494 rdev->config.cayman.max_gs_threads = 32; 495 rdev->config.cayman.max_stack_entries = 512; 496 rdev->config.cayman.sx_num_of_sets = 8; 497 rdev->config.cayman.sx_max_export_size = 256; 498 rdev->config.cayman.sx_max_export_pos_size = 64; 499 rdev->config.cayman.sx_max_export_smx_size = 192; 500 rdev->config.cayman.max_hw_contexts = 8; 501 rdev->config.cayman.sq_num_cf_insts = 2; 502 503 rdev->config.cayman.sc_prim_fifo_size = 0x40; 504 rdev->config.cayman.sc_hiz_tile_fifo_size = 0x30; 505 rdev->config.cayman.sc_earlyz_tile_fifo_size = 0x130; 506 gb_addr_config = ARUBA_GB_ADDR_CONFIG_GOLDEN; 507 break; 508 } 509 510 /* Initialize HDP */ 511 for (i = 0, j = 0; i < 32; i++, j += 0x18) { 512 WREG32((0x2c14 + j), 0x00000000); 513 WREG32((0x2c18 + j), 0x00000000); 514 WREG32((0x2c1c + j), 0x00000000); 515 WREG32((0x2c20 + j), 0x00000000); 516 WREG32((0x2c24 + j), 0x00000000); 517 } 518 519 WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff)); 520 521 evergreen_fix_pci_max_read_req_size(rdev); 522 523 mc_shared_chmap = RREG32(MC_SHARED_CHMAP); 524 mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG); 525 526 tmp = (mc_arb_ramcfg & NOOFCOLS_MASK) >> NOOFCOLS_SHIFT; 527 rdev->config.cayman.mem_row_size_in_kb = (4 * (1 << (8 + tmp))) / 1024; 528 if (rdev->config.cayman.mem_row_size_in_kb > 4) 529 rdev->config.cayman.mem_row_size_in_kb = 4; 530 /* XXX use MC settings? */ 531 rdev->config.cayman.shader_engine_tile_size = 32; 532 rdev->config.cayman.num_gpus = 1; 533 rdev->config.cayman.multi_gpu_tile_size = 64; 534 535 tmp = (gb_addr_config & NUM_PIPES_MASK) >> NUM_PIPES_SHIFT; 536 rdev->config.cayman.num_tile_pipes = (1 << tmp); 537 tmp = (gb_addr_config & PIPE_INTERLEAVE_SIZE_MASK) >> PIPE_INTERLEAVE_SIZE_SHIFT; 538 rdev->config.cayman.mem_max_burst_length_bytes = (tmp + 1) * 256; 539 tmp = (gb_addr_config & NUM_SHADER_ENGINES_MASK) >> NUM_SHADER_ENGINES_SHIFT; 540 rdev->config.cayman.num_shader_engines = tmp + 1; 541 tmp = (gb_addr_config & NUM_GPUS_MASK) >> NUM_GPUS_SHIFT; 542 rdev->config.cayman.num_gpus = tmp + 1; 543 tmp = (gb_addr_config & MULTI_GPU_TILE_SIZE_MASK) >> MULTI_GPU_TILE_SIZE_SHIFT; 544 rdev->config.cayman.multi_gpu_tile_size = 1 << tmp; 545 tmp = (gb_addr_config & ROW_SIZE_MASK) >> ROW_SIZE_SHIFT; 546 rdev->config.cayman.mem_row_size_in_kb = 1 << tmp; 547 548 549 /* setup tiling info dword. gb_addr_config is not adequate since it does 550 * not have bank info, so create a custom tiling dword. 551 * bits 3:0 num_pipes 552 * bits 7:4 num_banks 553 * bits 11:8 group_size 554 * bits 15:12 row_size 555 */ 556 rdev->config.cayman.tile_config = 0; 557 switch (rdev->config.cayman.num_tile_pipes) { 558 case 1: 559 default: 560 rdev->config.cayman.tile_config |= (0 << 0); 561 break; 562 case 2: 563 rdev->config.cayman.tile_config |= (1 << 0); 564 break; 565 case 4: 566 rdev->config.cayman.tile_config |= (2 << 0); 567 break; 568 case 8: 569 rdev->config.cayman.tile_config |= (3 << 0); 570 break; 571 } 572 573 /* num banks is 8 on all fusion asics. 0 = 4, 1 = 8, 2 = 16 */ 574 if (rdev->flags & RADEON_IS_IGP) 575 rdev->config.cayman.tile_config |= 1 << 4; 576 else { 577 if ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) 578 rdev->config.cayman.tile_config |= 1 << 4; 579 else 580 rdev->config.cayman.tile_config |= 0 << 4; 581 } 582 rdev->config.cayman.tile_config |= 583 ((gb_addr_config & PIPE_INTERLEAVE_SIZE_MASK) >> PIPE_INTERLEAVE_SIZE_SHIFT) << 8; 584 rdev->config.cayman.tile_config |= 585 ((gb_addr_config & ROW_SIZE_MASK) >> ROW_SIZE_SHIFT) << 12; 586 587 tmp = 0; 588 for (i = (rdev->config.cayman.max_shader_engines - 1); i >= 0; i--) { 589 u32 rb_disable_bitmap; 590 591 WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i)); 592 WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i)); 593 rb_disable_bitmap = (RREG32(CC_RB_BACKEND_DISABLE) & 0x00ff0000) >> 16; 594 tmp <<= 4; 595 tmp |= rb_disable_bitmap; 596 } 597 /* enabled rb are just the one not disabled :) */ 598 disabled_rb_mask = tmp; 599 600 WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_BROADCAST_WRITES); 601 WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_BROADCAST_WRITES); 602 603 WREG32(GB_ADDR_CONFIG, gb_addr_config); 604 WREG32(DMIF_ADDR_CONFIG, gb_addr_config); 605 WREG32(HDP_ADDR_CONFIG, gb_addr_config); 606 607 tmp = gb_addr_config & NUM_PIPES_MASK; 608 tmp = r6xx_remap_render_backend(rdev, tmp, 609 rdev->config.cayman.max_backends_per_se * 610 rdev->config.cayman.max_shader_engines, 611 CAYMAN_MAX_BACKENDS, disabled_rb_mask); 612 WREG32(GB_BACKEND_MAP, tmp); 613 614 cgts_tcc_disable = 0xffff0000; 615 for (i = 0; i < rdev->config.cayman.max_texture_channel_caches; i++) 616 cgts_tcc_disable &= ~(1 << (16 + i)); 617 WREG32(CGTS_TCC_DISABLE, cgts_tcc_disable); 618 WREG32(CGTS_SYS_TCC_DISABLE, cgts_tcc_disable); 619 WREG32(CGTS_USER_SYS_TCC_DISABLE, cgts_tcc_disable); 620 WREG32(CGTS_USER_TCC_DISABLE, cgts_tcc_disable); 621 622 /* reprogram the shader complex */ 623 cgts_sm_ctrl_reg = RREG32(CGTS_SM_CTRL_REG); 624 for (i = 0; i < 16; i++) 625 WREG32(CGTS_SM_CTRL_REG, OVERRIDE); 626 WREG32(CGTS_SM_CTRL_REG, cgts_sm_ctrl_reg); 627 628 /* set HW defaults for 3D engine */ 629 WREG32(CP_MEQ_THRESHOLDS, MEQ1_START(0x30) | MEQ2_START(0x60)); 630 631 sx_debug_1 = RREG32(SX_DEBUG_1); 632 sx_debug_1 |= ENABLE_NEW_SMX_ADDRESS; 633 WREG32(SX_DEBUG_1, sx_debug_1); 634 635 smx_dc_ctl0 = RREG32(SMX_DC_CTL0); 636 smx_dc_ctl0 &= ~NUMBER_OF_SETS(0x1ff); 637 smx_dc_ctl0 |= NUMBER_OF_SETS(rdev->config.cayman.sx_num_of_sets); 638 WREG32(SMX_DC_CTL0, smx_dc_ctl0); 639 640 WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(4) | CRC_SIMD_ID_WADDR_DISABLE); 641 642 /* need to be explicitly zero-ed */ 643 WREG32(VGT_OFFCHIP_LDS_BASE, 0); 644 WREG32(SQ_LSTMP_RING_BASE, 0); 645 WREG32(SQ_HSTMP_RING_BASE, 0); 646 WREG32(SQ_ESTMP_RING_BASE, 0); 647 WREG32(SQ_GSTMP_RING_BASE, 0); 648 WREG32(SQ_VSTMP_RING_BASE, 0); 649 WREG32(SQ_PSTMP_RING_BASE, 0); 650 651 WREG32(TA_CNTL_AUX, DISABLE_CUBE_ANISO); 652 653 WREG32(SX_EXPORT_BUFFER_SIZES, (COLOR_BUFFER_SIZE((rdev->config.cayman.sx_max_export_size / 4) - 1) | 654 POSITION_BUFFER_SIZE((rdev->config.cayman.sx_max_export_pos_size / 4) - 1) | 655 SMX_BUFFER_SIZE((rdev->config.cayman.sx_max_export_smx_size / 4) - 1))); 656 657 WREG32(PA_SC_FIFO_SIZE, (SC_PRIM_FIFO_SIZE(rdev->config.cayman.sc_prim_fifo_size) | 658 SC_HIZ_TILE_FIFO_SIZE(rdev->config.cayman.sc_hiz_tile_fifo_size) | 659 SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.cayman.sc_earlyz_tile_fifo_size))); 660 661 662 WREG32(VGT_NUM_INSTANCES, 1); 663 664 WREG32(CP_PERFMON_CNTL, 0); 665 666 WREG32(SQ_MS_FIFO_SIZES, (CACHE_FIFO_SIZE(16 * rdev->config.cayman.sq_num_cf_insts) | 667 FETCH_FIFO_HIWATER(0x4) | 668 DONE_FIFO_HIWATER(0xe0) | 669 ALU_UPDATE_FIFO_HIWATER(0x8))); 670 671 WREG32(SQ_GPR_RESOURCE_MGMT_1, NUM_CLAUSE_TEMP_GPRS(4)); 672 WREG32(SQ_CONFIG, (VC_ENABLE | 673 EXPORT_SRC_C | 674 GFX_PRIO(0) | 675 CS1_PRIO(0) | 676 CS2_PRIO(1))); 677 WREG32(SQ_DYN_GPR_CNTL_PS_FLUSH_REQ, DYN_GPR_ENABLE); 678 679 WREG32(PA_SC_FORCE_EOV_MAX_CNTS, (FORCE_EOV_MAX_CLK_CNT(4095) | 680 FORCE_EOV_MAX_REZ_CNT(255))); 681 682 WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(VC_AND_TC) | 683 AUTO_INVLD_EN(ES_AND_GS_AUTO)); 684 685 WREG32(VGT_GS_VERTEX_REUSE, 16); 686 WREG32(PA_SC_LINE_STIPPLE_STATE, 0); 687 688 WREG32(CB_PERF_CTR0_SEL_0, 0); 689 WREG32(CB_PERF_CTR0_SEL_1, 0); 690 WREG32(CB_PERF_CTR1_SEL_0, 0); 691 WREG32(CB_PERF_CTR1_SEL_1, 0); 692 WREG32(CB_PERF_CTR2_SEL_0, 0); 693 WREG32(CB_PERF_CTR2_SEL_1, 0); 694 WREG32(CB_PERF_CTR3_SEL_0, 0); 695 WREG32(CB_PERF_CTR3_SEL_1, 0); 696 697 tmp = RREG32(HDP_MISC_CNTL); 698 tmp |= HDP_FLUSH_INVALIDATE_CACHE; 699 WREG32(HDP_MISC_CNTL, tmp); 700 701 hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL); 702 WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl); 703 704 WREG32(PA_CL_ENHANCE, CLIP_VTX_REORDER_ENA | NUM_CLIP_SEQ(3)); 705 706 udelay(50); 707 } 708 709 /* 710 * GART 711 */ 712 void cayman_pcie_gart_tlb_flush(struct radeon_device *rdev) 713 { 714 /* flush hdp cache */ 715 WREG32(HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1); 716 717 /* bits 0-7 are the VM contexts0-7 */ 718 WREG32(VM_INVALIDATE_REQUEST, 1); 719 } 720 721 int cayman_pcie_gart_enable(struct radeon_device *rdev) 722 { 723 int i, r; 724 725 if (rdev->gart.robj == NULL) { 726 dev_err(rdev->dev, "No VRAM object for PCIE GART.\n"); 727 return -EINVAL; 728 } 729 r = radeon_gart_table_vram_pin(rdev); 730 if (r) 731 return r; 732 radeon_gart_restore(rdev); 733 /* Setup TLB control */ 734 WREG32(MC_VM_MX_L1_TLB_CNTL, 735 (0xA << 7) | 736 ENABLE_L1_TLB | 737 ENABLE_L1_FRAGMENT_PROCESSING | 738 SYSTEM_ACCESS_MODE_NOT_IN_SYS | 739 ENABLE_ADVANCED_DRIVER_MODEL | 740 SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU); 741 /* Setup L2 cache */ 742 WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | 743 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE | 744 ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE | 745 EFFECTIVE_L2_QUEUE_SIZE(7) | 746 CONTEXT1_IDENTITY_ACCESS_MODE(1)); 747 WREG32(VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS | INVALIDATE_L2_CACHE); 748 WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY | 749 L2_CACHE_BIGK_FRAGMENT_SIZE(6)); 750 /* setup context0 */ 751 WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12); 752 WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12); 753 WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12); 754 WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR, 755 (u32)(rdev->dummy_page.addr >> 12)); 756 WREG32(VM_CONTEXT0_CNTL2, 0); 757 WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) | 758 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT); 759 760 WREG32(0x15D4, 0); 761 WREG32(0x15D8, 0); 762 WREG32(0x15DC, 0); 763 764 /* empty context1-7 */ 765 for (i = 1; i < 8; i++) { 766 WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR + (i << 2), 0); 767 WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR + (i << 2), 0); 768 WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (i << 2), 769 rdev->gart.table_addr >> 12); 770 } 771 772 /* enable context1-7 */ 773 WREG32(VM_CONTEXT1_PROTECTION_FAULT_DEFAULT_ADDR, 774 (u32)(rdev->dummy_page.addr >> 12)); 775 WREG32(VM_CONTEXT1_CNTL2, 0); 776 WREG32(VM_CONTEXT1_CNTL, 0); 777 WREG32(VM_CONTEXT1_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) | 778 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT); 779 780 cayman_pcie_gart_tlb_flush(rdev); 781 DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n", 782 (unsigned)(rdev->mc.gtt_size >> 20), 783 (unsigned long long)rdev->gart.table_addr); 784 rdev->gart.ready = true; 785 return 0; 786 } 787 788 void cayman_pcie_gart_disable(struct radeon_device *rdev) 789 { 790 /* Disable all tables */ 791 WREG32(VM_CONTEXT0_CNTL, 0); 792 WREG32(VM_CONTEXT1_CNTL, 0); 793 /* Setup TLB control */ 794 WREG32(MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_FRAGMENT_PROCESSING | 795 SYSTEM_ACCESS_MODE_NOT_IN_SYS | 796 SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU); 797 /* Setup L2 cache */ 798 WREG32(VM_L2_CNTL, ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE | 799 ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE | 800 EFFECTIVE_L2_QUEUE_SIZE(7) | 801 CONTEXT1_IDENTITY_ACCESS_MODE(1)); 802 WREG32(VM_L2_CNTL2, 0); 803 WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY | 804 L2_CACHE_BIGK_FRAGMENT_SIZE(6)); 805 radeon_gart_table_vram_unpin(rdev); 806 } 807 808 void cayman_pcie_gart_fini(struct radeon_device *rdev) 809 { 810 cayman_pcie_gart_disable(rdev); 811 radeon_gart_table_vram_free(rdev); 812 radeon_gart_fini(rdev); 813 } 814 815 void cayman_cp_int_cntl_setup(struct radeon_device *rdev, 816 int ring, u32 cp_int_cntl) 817 { 818 u32 srbm_gfx_cntl = RREG32(SRBM_GFX_CNTL) & ~3; 819 820 WREG32(SRBM_GFX_CNTL, srbm_gfx_cntl | (ring & 3)); 821 WREG32(CP_INT_CNTL, cp_int_cntl); 822 } 823 824 /* 825 * CP. 826 */ 827 void cayman_fence_ring_emit(struct radeon_device *rdev, 828 struct radeon_fence *fence) 829 { 830 struct radeon_ring *ring = &rdev->ring[fence->ring]; 831 u64 addr = rdev->fence_drv[fence->ring].gpu_addr; 832 833 /* flush read cache over gart for this vmid */ 834 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1)); 835 radeon_ring_write(ring, (CP_COHER_CNTL2 - PACKET3_SET_CONFIG_REG_START) >> 2); 836 radeon_ring_write(ring, 0); 837 radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3)); 838 radeon_ring_write(ring, PACKET3_TC_ACTION_ENA | PACKET3_SH_ACTION_ENA); 839 radeon_ring_write(ring, 0xFFFFFFFF); 840 radeon_ring_write(ring, 0); 841 radeon_ring_write(ring, 10); /* poll interval */ 842 /* EVENT_WRITE_EOP - flush caches, send int */ 843 radeon_ring_write(ring, PACKET3(PACKET3_EVENT_WRITE_EOP, 4)); 844 radeon_ring_write(ring, EVENT_TYPE(CACHE_FLUSH_AND_INV_EVENT_TS) | EVENT_INDEX(5)); 845 radeon_ring_write(ring, addr & 0xffffffff); 846 radeon_ring_write(ring, (upper_32_bits(addr) & 0xff) | DATA_SEL(1) | INT_SEL(2)); 847 radeon_ring_write(ring, fence->seq); 848 radeon_ring_write(ring, 0); 849 } 850 851 void cayman_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib) 852 { 853 struct radeon_ring *ring = &rdev->ring[ib->ring]; 854 855 /* set to DX10/11 mode */ 856 radeon_ring_write(ring, PACKET3(PACKET3_MODE_CONTROL, 0)); 857 radeon_ring_write(ring, 1); 858 859 if (ring->rptr_save_reg) { 860 uint32_t next_rptr = ring->wptr + 3 + 4 + 8; 861 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1)); 862 radeon_ring_write(ring, ((ring->rptr_save_reg - 863 PACKET3_SET_CONFIG_REG_START) >> 2)); 864 radeon_ring_write(ring, next_rptr); 865 } 866 867 radeon_ring_write(ring, PACKET3(PACKET3_INDIRECT_BUFFER, 2)); 868 radeon_ring_write(ring, 869 #ifdef __BIG_ENDIAN 870 (2 << 0) | 871 #endif 872 (ib->gpu_addr & 0xFFFFFFFC)); 873 radeon_ring_write(ring, upper_32_bits(ib->gpu_addr) & 0xFF); 874 radeon_ring_write(ring, ib->length_dw | (ib->vm_id << 24)); 875 876 /* flush read cache over gart for this vmid */ 877 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1)); 878 radeon_ring_write(ring, (CP_COHER_CNTL2 - PACKET3_SET_CONFIG_REG_START) >> 2); 879 radeon_ring_write(ring, ib->vm_id); 880 radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3)); 881 radeon_ring_write(ring, PACKET3_TC_ACTION_ENA | PACKET3_SH_ACTION_ENA); 882 radeon_ring_write(ring, 0xFFFFFFFF); 883 radeon_ring_write(ring, 0); 884 radeon_ring_write(ring, 10); /* poll interval */ 885 } 886 887 static void cayman_cp_enable(struct radeon_device *rdev, bool enable) 888 { 889 if (enable) 890 WREG32(CP_ME_CNTL, 0); 891 else { 892 radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size); 893 WREG32(CP_ME_CNTL, (CP_ME_HALT | CP_PFP_HALT)); 894 WREG32(SCRATCH_UMSK, 0); 895 } 896 } 897 898 static int cayman_cp_load_microcode(struct radeon_device *rdev) 899 { 900 const __be32 *fw_data; 901 int i; 902 903 if (!rdev->me_fw || !rdev->pfp_fw) 904 return -EINVAL; 905 906 cayman_cp_enable(rdev, false); 907 908 fw_data = (const __be32 *)rdev->pfp_fw->data; 909 WREG32(CP_PFP_UCODE_ADDR, 0); 910 for (i = 0; i < CAYMAN_PFP_UCODE_SIZE; i++) 911 WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++)); 912 WREG32(CP_PFP_UCODE_ADDR, 0); 913 914 fw_data = (const __be32 *)rdev->me_fw->data; 915 WREG32(CP_ME_RAM_WADDR, 0); 916 for (i = 0; i < CAYMAN_PM4_UCODE_SIZE; i++) 917 WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++)); 918 919 WREG32(CP_PFP_UCODE_ADDR, 0); 920 WREG32(CP_ME_RAM_WADDR, 0); 921 WREG32(CP_ME_RAM_RADDR, 0); 922 return 0; 923 } 924 925 static int cayman_cp_start(struct radeon_device *rdev) 926 { 927 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; 928 int r, i; 929 930 r = radeon_ring_lock(rdev, ring, 7); 931 if (r) { 932 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r); 933 return r; 934 } 935 radeon_ring_write(ring, PACKET3(PACKET3_ME_INITIALIZE, 5)); 936 radeon_ring_write(ring, 0x1); 937 radeon_ring_write(ring, 0x0); 938 radeon_ring_write(ring, rdev->config.cayman.max_hw_contexts - 1); 939 radeon_ring_write(ring, PACKET3_ME_INITIALIZE_DEVICE_ID(1)); 940 radeon_ring_write(ring, 0); 941 radeon_ring_write(ring, 0); 942 radeon_ring_unlock_commit(rdev, ring); 943 944 cayman_cp_enable(rdev, true); 945 946 r = radeon_ring_lock(rdev, ring, cayman_default_size + 19); 947 if (r) { 948 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r); 949 return r; 950 } 951 952 /* setup clear context state */ 953 radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0)); 954 radeon_ring_write(ring, PACKET3_PREAMBLE_BEGIN_CLEAR_STATE); 955 956 for (i = 0; i < cayman_default_size; i++) 957 radeon_ring_write(ring, cayman_default_state[i]); 958 959 radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0)); 960 radeon_ring_write(ring, PACKET3_PREAMBLE_END_CLEAR_STATE); 961 962 /* set clear context state */ 963 radeon_ring_write(ring, PACKET3(PACKET3_CLEAR_STATE, 0)); 964 radeon_ring_write(ring, 0); 965 966 /* SQ_VTX_BASE_VTX_LOC */ 967 radeon_ring_write(ring, 0xc0026f00); 968 radeon_ring_write(ring, 0x00000000); 969 radeon_ring_write(ring, 0x00000000); 970 radeon_ring_write(ring, 0x00000000); 971 972 /* Clear consts */ 973 radeon_ring_write(ring, 0xc0036f00); 974 radeon_ring_write(ring, 0x00000bc4); 975 radeon_ring_write(ring, 0xffffffff); 976 radeon_ring_write(ring, 0xffffffff); 977 radeon_ring_write(ring, 0xffffffff); 978 979 radeon_ring_write(ring, 0xc0026900); 980 radeon_ring_write(ring, 0x00000316); 981 radeon_ring_write(ring, 0x0000000e); /* VGT_VERTEX_REUSE_BLOCK_CNTL */ 982 radeon_ring_write(ring, 0x00000010); /* */ 983 984 radeon_ring_unlock_commit(rdev, ring); 985 986 /* XXX init other rings */ 987 988 return 0; 989 } 990 991 static void cayman_cp_fini(struct radeon_device *rdev) 992 { 993 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; 994 cayman_cp_enable(rdev, false); 995 radeon_ring_fini(rdev, ring); 996 radeon_scratch_free(rdev, ring->rptr_save_reg); 997 } 998 999 int cayman_cp_resume(struct radeon_device *rdev) 1000 { 1001 static const int ridx[] = { 1002 RADEON_RING_TYPE_GFX_INDEX, 1003 CAYMAN_RING_TYPE_CP1_INDEX, 1004 CAYMAN_RING_TYPE_CP2_INDEX 1005 }; 1006 static const unsigned cp_rb_cntl[] = { 1007 CP_RB0_CNTL, 1008 CP_RB1_CNTL, 1009 CP_RB2_CNTL, 1010 }; 1011 static const unsigned cp_rb_rptr_addr[] = { 1012 CP_RB0_RPTR_ADDR, 1013 CP_RB1_RPTR_ADDR, 1014 CP_RB2_RPTR_ADDR 1015 }; 1016 static const unsigned cp_rb_rptr_addr_hi[] = { 1017 CP_RB0_RPTR_ADDR_HI, 1018 CP_RB1_RPTR_ADDR_HI, 1019 CP_RB2_RPTR_ADDR_HI 1020 }; 1021 static const unsigned cp_rb_base[] = { 1022 CP_RB0_BASE, 1023 CP_RB1_BASE, 1024 CP_RB2_BASE 1025 }; 1026 struct radeon_ring *ring; 1027 int i, r; 1028 1029 /* Reset cp; if cp is reset, then PA, SH, VGT also need to be reset */ 1030 WREG32(GRBM_SOFT_RESET, (SOFT_RESET_CP | 1031 SOFT_RESET_PA | 1032 SOFT_RESET_SH | 1033 SOFT_RESET_VGT | 1034 SOFT_RESET_SPI | 1035 SOFT_RESET_SX)); 1036 RREG32(GRBM_SOFT_RESET); 1037 mdelay(15); 1038 WREG32(GRBM_SOFT_RESET, 0); 1039 RREG32(GRBM_SOFT_RESET); 1040 1041 WREG32(CP_SEM_WAIT_TIMER, 0x0); 1042 WREG32(CP_SEM_INCOMPLETE_TIMER_CNTL, 0x0); 1043 1044 /* Set the write pointer delay */ 1045 WREG32(CP_RB_WPTR_DELAY, 0); 1046 1047 WREG32(CP_DEBUG, (1 << 27)); 1048 1049 /* set the wb address wether it's enabled or not */ 1050 WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF); 1051 WREG32(SCRATCH_UMSK, 0xff); 1052 1053 for (i = 0; i < 3; ++i) { 1054 uint32_t rb_cntl; 1055 uint64_t addr; 1056 1057 /* Set ring buffer size */ 1058 ring = &rdev->ring[ridx[i]]; 1059 rb_cntl = drm_order(ring->ring_size / 8); 1060 rb_cntl |= drm_order(RADEON_GPU_PAGE_SIZE/8) << 8; 1061 #ifdef __BIG_ENDIAN 1062 rb_cntl |= BUF_SWAP_32BIT; 1063 #endif 1064 WREG32(cp_rb_cntl[i], rb_cntl); 1065 1066 /* set the wb address wether it's enabled or not */ 1067 addr = rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET; 1068 WREG32(cp_rb_rptr_addr[i], addr & 0xFFFFFFFC); 1069 WREG32(cp_rb_rptr_addr_hi[i], upper_32_bits(addr) & 0xFF); 1070 } 1071 1072 /* set the rb base addr, this causes an internal reset of ALL rings */ 1073 for (i = 0; i < 3; ++i) { 1074 ring = &rdev->ring[ridx[i]]; 1075 WREG32(cp_rb_base[i], ring->gpu_addr >> 8); 1076 } 1077 1078 for (i = 0; i < 3; ++i) { 1079 /* Initialize the ring buffer's read and write pointers */ 1080 ring = &rdev->ring[ridx[i]]; 1081 WREG32_P(cp_rb_cntl[i], RB_RPTR_WR_ENA, ~RB_RPTR_WR_ENA); 1082 1083 ring->rptr = ring->wptr = 0; 1084 WREG32(ring->rptr_reg, ring->rptr); 1085 WREG32(ring->wptr_reg, ring->wptr); 1086 1087 mdelay(1); 1088 WREG32_P(cp_rb_cntl[i], 0, ~RB_RPTR_WR_ENA); 1089 } 1090 1091 /* start the rings */ 1092 cayman_cp_start(rdev); 1093 rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = true; 1094 rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false; 1095 rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false; 1096 /* this only test cp0 */ 1097 r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]); 1098 if (r) { 1099 rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false; 1100 rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false; 1101 rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false; 1102 return r; 1103 } 1104 1105 return 0; 1106 } 1107 1108 static int cayman_gpu_soft_reset(struct radeon_device *rdev) 1109 { 1110 struct evergreen_mc_save save; 1111 u32 grbm_reset = 0; 1112 1113 if (!(RREG32(GRBM_STATUS) & GUI_ACTIVE)) 1114 return 0; 1115 1116 dev_info(rdev->dev, "GPU softreset \n"); 1117 dev_info(rdev->dev, " GRBM_STATUS=0x%08X\n", 1118 RREG32(GRBM_STATUS)); 1119 dev_info(rdev->dev, " GRBM_STATUS_SE0=0x%08X\n", 1120 RREG32(GRBM_STATUS_SE0)); 1121 dev_info(rdev->dev, " GRBM_STATUS_SE1=0x%08X\n", 1122 RREG32(GRBM_STATUS_SE1)); 1123 dev_info(rdev->dev, " SRBM_STATUS=0x%08X\n", 1124 RREG32(SRBM_STATUS)); 1125 dev_info(rdev->dev, " R_008674_CP_STALLED_STAT1 = 0x%08X\n", 1126 RREG32(CP_STALLED_STAT1)); 1127 dev_info(rdev->dev, " R_008678_CP_STALLED_STAT2 = 0x%08X\n", 1128 RREG32(CP_STALLED_STAT2)); 1129 dev_info(rdev->dev, " R_00867C_CP_BUSY_STAT = 0x%08X\n", 1130 RREG32(CP_BUSY_STAT)); 1131 dev_info(rdev->dev, " R_008680_CP_STAT = 0x%08X\n", 1132 RREG32(CP_STAT)); 1133 dev_info(rdev->dev, " VM_CONTEXT0_PROTECTION_FAULT_ADDR 0x%08X\n", 1134 RREG32(0x14F8)); 1135 dev_info(rdev->dev, " VM_CONTEXT0_PROTECTION_FAULT_STATUS 0x%08X\n", 1136 RREG32(0x14D8)); 1137 dev_info(rdev->dev, " VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x%08X\n", 1138 RREG32(0x14FC)); 1139 dev_info(rdev->dev, " VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n", 1140 RREG32(0x14DC)); 1141 1142 evergreen_mc_stop(rdev, &save); 1143 if (evergreen_mc_wait_for_idle(rdev)) { 1144 dev_warn(rdev->dev, "Wait for MC idle timedout !\n"); 1145 } 1146 /* Disable CP parsing/prefetching */ 1147 WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT); 1148 1149 /* reset all the gfx blocks */ 1150 grbm_reset = (SOFT_RESET_CP | 1151 SOFT_RESET_CB | 1152 SOFT_RESET_DB | 1153 SOFT_RESET_GDS | 1154 SOFT_RESET_PA | 1155 SOFT_RESET_SC | 1156 SOFT_RESET_SPI | 1157 SOFT_RESET_SH | 1158 SOFT_RESET_SX | 1159 SOFT_RESET_TC | 1160 SOFT_RESET_TA | 1161 SOFT_RESET_VGT | 1162 SOFT_RESET_IA); 1163 1164 dev_info(rdev->dev, " GRBM_SOFT_RESET=0x%08X\n", grbm_reset); 1165 WREG32(GRBM_SOFT_RESET, grbm_reset); 1166 (void)RREG32(GRBM_SOFT_RESET); 1167 udelay(50); 1168 WREG32(GRBM_SOFT_RESET, 0); 1169 (void)RREG32(GRBM_SOFT_RESET); 1170 /* Wait a little for things to settle down */ 1171 udelay(50); 1172 1173 dev_info(rdev->dev, " GRBM_STATUS=0x%08X\n", 1174 RREG32(GRBM_STATUS)); 1175 dev_info(rdev->dev, " GRBM_STATUS_SE0=0x%08X\n", 1176 RREG32(GRBM_STATUS_SE0)); 1177 dev_info(rdev->dev, " GRBM_STATUS_SE1=0x%08X\n", 1178 RREG32(GRBM_STATUS_SE1)); 1179 dev_info(rdev->dev, " SRBM_STATUS=0x%08X\n", 1180 RREG32(SRBM_STATUS)); 1181 dev_info(rdev->dev, " R_008674_CP_STALLED_STAT1 = 0x%08X\n", 1182 RREG32(CP_STALLED_STAT1)); 1183 dev_info(rdev->dev, " R_008678_CP_STALLED_STAT2 = 0x%08X\n", 1184 RREG32(CP_STALLED_STAT2)); 1185 dev_info(rdev->dev, " R_00867C_CP_BUSY_STAT = 0x%08X\n", 1186 RREG32(CP_BUSY_STAT)); 1187 dev_info(rdev->dev, " R_008680_CP_STAT = 0x%08X\n", 1188 RREG32(CP_STAT)); 1189 evergreen_mc_resume(rdev, &save); 1190 return 0; 1191 } 1192 1193 int cayman_asic_reset(struct radeon_device *rdev) 1194 { 1195 return cayman_gpu_soft_reset(rdev); 1196 } 1197 1198 static int cayman_startup(struct radeon_device *rdev) 1199 { 1200 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; 1201 int r; 1202 1203 /* enable pcie gen2 link */ 1204 evergreen_pcie_gen2_enable(rdev); 1205 1206 if (rdev->flags & RADEON_IS_IGP) { 1207 if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) { 1208 r = ni_init_microcode(rdev); 1209 if (r) { 1210 DRM_ERROR("Failed to load firmware!\n"); 1211 return r; 1212 } 1213 } 1214 } else { 1215 if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw || !rdev->mc_fw) { 1216 r = ni_init_microcode(rdev); 1217 if (r) { 1218 DRM_ERROR("Failed to load firmware!\n"); 1219 return r; 1220 } 1221 } 1222 1223 r = ni_mc_load_microcode(rdev); 1224 if (r) { 1225 DRM_ERROR("Failed to load MC firmware!\n"); 1226 return r; 1227 } 1228 } 1229 1230 r = r600_vram_scratch_init(rdev); 1231 if (r) 1232 return r; 1233 1234 evergreen_mc_program(rdev); 1235 r = cayman_pcie_gart_enable(rdev); 1236 if (r) 1237 return r; 1238 cayman_gpu_init(rdev); 1239 1240 r = evergreen_blit_init(rdev); 1241 if (r) { 1242 r600_blit_fini(rdev); 1243 rdev->asic->copy.copy = NULL; 1244 dev_warn(rdev->dev, "failed blitter (%d) falling back to memcpy\n", r); 1245 } 1246 1247 /* allocate rlc buffers */ 1248 if (rdev->flags & RADEON_IS_IGP) { 1249 r = si_rlc_init(rdev); 1250 if (r) { 1251 DRM_ERROR("Failed to init rlc BOs!\n"); 1252 return r; 1253 } 1254 } 1255 1256 /* allocate wb buffer */ 1257 r = radeon_wb_init(rdev); 1258 if (r) 1259 return r; 1260 1261 r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX); 1262 if (r) { 1263 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r); 1264 return r; 1265 } 1266 1267 r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_CP1_INDEX); 1268 if (r) { 1269 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r); 1270 return r; 1271 } 1272 1273 r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_CP2_INDEX); 1274 if (r) { 1275 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r); 1276 return r; 1277 } 1278 1279 /* Enable IRQ */ 1280 r = r600_irq_init(rdev); 1281 if (r) { 1282 DRM_ERROR("radeon: IH init failed (%d).\n", r); 1283 radeon_irq_kms_fini(rdev); 1284 return r; 1285 } 1286 evergreen_irq_set(rdev); 1287 1288 r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET, 1289 CP_RB0_RPTR, CP_RB0_WPTR, 1290 0, 0xfffff, RADEON_CP_PACKET2); 1291 if (r) 1292 return r; 1293 r = cayman_cp_load_microcode(rdev); 1294 if (r) 1295 return r; 1296 r = cayman_cp_resume(rdev); 1297 if (r) 1298 return r; 1299 1300 r = radeon_ib_pool_init(rdev); 1301 if (r) { 1302 dev_err(rdev->dev, "IB initialization failed (%d).\n", r); 1303 return r; 1304 } 1305 1306 r = radeon_vm_manager_init(rdev); 1307 if (r) { 1308 dev_err(rdev->dev, "vm manager initialization failed (%d).\n", r); 1309 return r; 1310 } 1311 1312 r = r600_audio_init(rdev); 1313 if (r) 1314 return r; 1315 1316 return 0; 1317 } 1318 1319 int cayman_resume(struct radeon_device *rdev) 1320 { 1321 int r; 1322 1323 /* Do not reset GPU before posting, on rv770 hw unlike on r500 hw, 1324 * posting will perform necessary task to bring back GPU into good 1325 * shape. 1326 */ 1327 /* post card */ 1328 atom_asic_init(rdev->mode_info.atom_context); 1329 1330 rdev->accel_working = true; 1331 r = cayman_startup(rdev); 1332 if (r) { 1333 DRM_ERROR("cayman startup failed on resume\n"); 1334 rdev->accel_working = false; 1335 return r; 1336 } 1337 return r; 1338 } 1339 1340 int cayman_suspend(struct radeon_device *rdev) 1341 { 1342 r600_audio_fini(rdev); 1343 cayman_cp_enable(rdev, false); 1344 rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false; 1345 evergreen_irq_suspend(rdev); 1346 radeon_wb_disable(rdev); 1347 cayman_pcie_gart_disable(rdev); 1348 return 0; 1349 } 1350 1351 /* Plan is to move initialization in that function and use 1352 * helper function so that radeon_device_init pretty much 1353 * do nothing more than calling asic specific function. This 1354 * should also allow to remove a bunch of callback function 1355 * like vram_info. 1356 */ 1357 int cayman_init(struct radeon_device *rdev) 1358 { 1359 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; 1360 int r; 1361 1362 /* Read BIOS */ 1363 if (!radeon_get_bios(rdev)) { 1364 if (ASIC_IS_AVIVO(rdev)) 1365 return -EINVAL; 1366 } 1367 /* Must be an ATOMBIOS */ 1368 if (!rdev->is_atom_bios) { 1369 dev_err(rdev->dev, "Expecting atombios for cayman GPU\n"); 1370 return -EINVAL; 1371 } 1372 r = radeon_atombios_init(rdev); 1373 if (r) 1374 return r; 1375 1376 /* Post card if necessary */ 1377 if (!radeon_card_posted(rdev)) { 1378 if (!rdev->bios) { 1379 dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n"); 1380 return -EINVAL; 1381 } 1382 DRM_INFO("GPU not posted. posting now...\n"); 1383 atom_asic_init(rdev->mode_info.atom_context); 1384 } 1385 /* Initialize scratch registers */ 1386 r600_scratch_init(rdev); 1387 /* Initialize surface registers */ 1388 radeon_surface_init(rdev); 1389 /* Initialize clocks */ 1390 radeon_get_clock_info(rdev->ddev); 1391 /* Fence driver */ 1392 r = radeon_fence_driver_init(rdev); 1393 if (r) 1394 return r; 1395 /* initialize memory controller */ 1396 r = evergreen_mc_init(rdev); 1397 if (r) 1398 return r; 1399 /* Memory manager */ 1400 r = radeon_bo_init(rdev); 1401 if (r) 1402 return r; 1403 1404 r = radeon_irq_kms_init(rdev); 1405 if (r) 1406 return r; 1407 1408 ring->ring_obj = NULL; 1409 r600_ring_init(rdev, ring, 1024 * 1024); 1410 1411 rdev->ih.ring_obj = NULL; 1412 r600_ih_ring_init(rdev, 64 * 1024); 1413 1414 r = r600_pcie_gart_init(rdev); 1415 if (r) 1416 return r; 1417 1418 rdev->accel_working = true; 1419 r = cayman_startup(rdev); 1420 if (r) { 1421 dev_err(rdev->dev, "disabling GPU acceleration\n"); 1422 cayman_cp_fini(rdev); 1423 r600_irq_fini(rdev); 1424 if (rdev->flags & RADEON_IS_IGP) 1425 si_rlc_fini(rdev); 1426 radeon_wb_fini(rdev); 1427 radeon_ib_pool_fini(rdev); 1428 radeon_vm_manager_fini(rdev); 1429 radeon_irq_kms_fini(rdev); 1430 cayman_pcie_gart_fini(rdev); 1431 rdev->accel_working = false; 1432 } 1433 1434 /* Don't start up if the MC ucode is missing. 1435 * The default clocks and voltages before the MC ucode 1436 * is loaded are not suffient for advanced operations. 1437 * 1438 * We can skip this check for TN, because there is no MC 1439 * ucode. 1440 */ 1441 if (!rdev->mc_fw && !(rdev->flags & RADEON_IS_IGP)) { 1442 DRM_ERROR("radeon: MC ucode required for NI+.\n"); 1443 return -EINVAL; 1444 } 1445 1446 return 0; 1447 } 1448 1449 void cayman_fini(struct radeon_device *rdev) 1450 { 1451 r600_blit_fini(rdev); 1452 cayman_cp_fini(rdev); 1453 r600_irq_fini(rdev); 1454 if (rdev->flags & RADEON_IS_IGP) 1455 si_rlc_fini(rdev); 1456 radeon_wb_fini(rdev); 1457 radeon_vm_manager_fini(rdev); 1458 radeon_ib_pool_fini(rdev); 1459 radeon_irq_kms_fini(rdev); 1460 cayman_pcie_gart_fini(rdev); 1461 r600_vram_scratch_fini(rdev); 1462 radeon_gem_fini(rdev); 1463 radeon_fence_driver_fini(rdev); 1464 radeon_bo_fini(rdev); 1465 radeon_atombios_fini(rdev); 1466 kfree(rdev->bios); 1467 rdev->bios = NULL; 1468 } 1469 1470 /* 1471 * vm 1472 */ 1473 int cayman_vm_init(struct radeon_device *rdev) 1474 { 1475 /* number of VMs */ 1476 rdev->vm_manager.nvm = 8; 1477 /* base offset of vram pages */ 1478 if (rdev->flags & RADEON_IS_IGP) { 1479 u64 tmp = RREG32(FUS_MC_VM_FB_OFFSET); 1480 tmp <<= 22; 1481 rdev->vm_manager.vram_base_offset = tmp; 1482 } else 1483 rdev->vm_manager.vram_base_offset = 0; 1484 return 0; 1485 } 1486 1487 void cayman_vm_fini(struct radeon_device *rdev) 1488 { 1489 } 1490 1491 int cayman_vm_bind(struct radeon_device *rdev, struct radeon_vm *vm, int id) 1492 { 1493 WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR + (id << 2), 0); 1494 WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR + (id << 2), vm->last_pfn); 1495 WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (id << 2), vm->pt_gpu_addr >> 12); 1496 /* flush hdp cache */ 1497 WREG32(HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1); 1498 /* bits 0-7 are the VM contexts0-7 */ 1499 WREG32(VM_INVALIDATE_REQUEST, 1 << id); 1500 return 0; 1501 } 1502 1503 void cayman_vm_unbind(struct radeon_device *rdev, struct radeon_vm *vm) 1504 { 1505 WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR + (vm->id << 2), 0); 1506 WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR + (vm->id << 2), 0); 1507 WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (vm->id << 2), 0); 1508 /* flush hdp cache */ 1509 WREG32(HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1); 1510 /* bits 0-7 are the VM contexts0-7 */ 1511 WREG32(VM_INVALIDATE_REQUEST, 1 << vm->id); 1512 } 1513 1514 void cayman_vm_tlb_flush(struct radeon_device *rdev, struct radeon_vm *vm) 1515 { 1516 if (vm->id == -1) 1517 return; 1518 1519 /* flush hdp cache */ 1520 WREG32(HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1); 1521 /* bits 0-7 are the VM contexts0-7 */ 1522 WREG32(VM_INVALIDATE_REQUEST, 1 << vm->id); 1523 } 1524 1525 #define R600_PTE_VALID (1 << 0) 1526 #define R600_PTE_SYSTEM (1 << 1) 1527 #define R600_PTE_SNOOPED (1 << 2) 1528 #define R600_PTE_READABLE (1 << 5) 1529 #define R600_PTE_WRITEABLE (1 << 6) 1530 1531 uint32_t cayman_vm_page_flags(struct radeon_device *rdev, 1532 struct radeon_vm *vm, 1533 uint32_t flags) 1534 { 1535 uint32_t r600_flags = 0; 1536 1537 r600_flags |= (flags & RADEON_VM_PAGE_VALID) ? R600_PTE_VALID : 0; 1538 r600_flags |= (flags & RADEON_VM_PAGE_READABLE) ? R600_PTE_READABLE : 0; 1539 r600_flags |= (flags & RADEON_VM_PAGE_WRITEABLE) ? R600_PTE_WRITEABLE : 0; 1540 if (flags & RADEON_VM_PAGE_SYSTEM) { 1541 r600_flags |= R600_PTE_SYSTEM; 1542 r600_flags |= (flags & RADEON_VM_PAGE_SNOOPED) ? R600_PTE_SNOOPED : 0; 1543 } 1544 return r600_flags; 1545 } 1546 1547 void cayman_vm_set_page(struct radeon_device *rdev, struct radeon_vm *vm, 1548 unsigned pfn, uint64_t addr, uint32_t flags) 1549 { 1550 void __iomem *ptr = (void *)vm->pt; 1551 1552 addr = addr & 0xFFFFFFFFFFFFF000ULL; 1553 addr |= flags; 1554 writeq(addr, ptr + (pfn * 8)); 1555 } 1556