1 /* 2 * Copyright 2012 Red Hat 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 6 * "Software"), to deal in the Software without restriction, including 7 * without limitation the rights to use, copy, modify, merge, publish, 8 * distribute, sub license, and/or sell copies of the Software, and to 9 * permit persons to whom the Software is furnished to do so, subject to 10 * the following conditions: 11 * 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 13 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 14 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL 15 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, 16 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 17 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 18 * USE OR OTHER DEALINGS IN THE SOFTWARE. 19 * 20 * The above copyright notice and this permission notice (including the 21 * next paragraph) shall be included in all copies or substantial portions 22 * of the Software. 23 * 24 */ 25 /* 26 * Authors: Dave Airlie <airlied@redhat.com> 27 */ 28 29 #include <linux/delay.h> 30 #include <linux/pci.h> 31 32 #include <drm/drm_print.h> 33 34 #include "ast_dram_tables.h" 35 #include "ast_drv.h" 36 37 static void ast_post_chip_2300(struct drm_device *dev); 38 static void ast_post_chip_2500(struct drm_device *dev); 39 40 void ast_enable_vga(struct drm_device *dev) 41 { 42 struct ast_private *ast = to_ast_private(dev); 43 44 ast_io_write8(ast, AST_IO_VGA_ENABLE_PORT, 0x01); 45 ast_io_write8(ast, AST_IO_MISC_PORT_WRITE, 0x01); 46 } 47 48 void ast_enable_mmio(struct drm_device *dev) 49 { 50 struct ast_private *ast = to_ast_private(dev); 51 52 ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa1, 0x06); 53 } 54 55 56 bool ast_is_vga_enabled(struct drm_device *dev) 57 { 58 struct ast_private *ast = to_ast_private(dev); 59 u8 ch; 60 61 ch = ast_io_read8(ast, AST_IO_VGA_ENABLE_PORT); 62 63 return !!(ch & 0x01); 64 } 65 66 static const u8 extreginfo[] = { 0x0f, 0x04, 0x1c, 0xff }; 67 static const u8 extreginfo_ast2300a0[] = { 0x0f, 0x04, 0x1c, 0xff }; 68 static const u8 extreginfo_ast2300[] = { 0x0f, 0x04, 0x1f, 0xff }; 69 70 static void 71 ast_set_def_ext_reg(struct drm_device *dev) 72 { 73 struct ast_private *ast = to_ast_private(dev); 74 struct pci_dev *pdev = to_pci_dev(dev->dev); 75 u8 i, index, reg; 76 const u8 *ext_reg_info; 77 78 /* reset scratch */ 79 for (i = 0x81; i <= 0x9f; i++) 80 ast_set_index_reg(ast, AST_IO_CRTC_PORT, i, 0x00); 81 82 if (ast->chip == AST2300 || ast->chip == AST2400 || 83 ast->chip == AST2500) { 84 if (pdev->revision >= 0x20) 85 ext_reg_info = extreginfo_ast2300; 86 else 87 ext_reg_info = extreginfo_ast2300a0; 88 } else 89 ext_reg_info = extreginfo; 90 91 index = 0xa0; 92 while (*ext_reg_info != 0xff) { 93 ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, index, 0x00, *ext_reg_info); 94 index++; 95 ext_reg_info++; 96 } 97 98 /* disable standard IO/MEM decode if secondary */ 99 /* ast_set_index_reg-mask(ast, AST_IO_CRTC_PORT, 0xa1, 0xff, 0x3); */ 100 101 /* Set Ext. Default */ 102 ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x8c, 0x00, 0x01); 103 ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x00, 0x00); 104 105 /* Enable RAMDAC for A1 */ 106 reg = 0x04; 107 if (ast->chip == AST2300 || ast->chip == AST2400 || 108 ast->chip == AST2500) 109 reg |= 0x20; 110 ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb6, 0xff, reg); 111 } 112 113 u32 ast_mindwm(struct ast_private *ast, u32 r) 114 { 115 uint32_t data; 116 117 ast_write32(ast, 0xf004, r & 0xffff0000); 118 ast_write32(ast, 0xf000, 0x1); 119 120 do { 121 data = ast_read32(ast, 0xf004) & 0xffff0000; 122 } while (data != (r & 0xffff0000)); 123 return ast_read32(ast, 0x10000 + (r & 0x0000ffff)); 124 } 125 126 void ast_moutdwm(struct ast_private *ast, u32 r, u32 v) 127 { 128 uint32_t data; 129 ast_write32(ast, 0xf004, r & 0xffff0000); 130 ast_write32(ast, 0xf000, 0x1); 131 do { 132 data = ast_read32(ast, 0xf004) & 0xffff0000; 133 } while (data != (r & 0xffff0000)); 134 ast_write32(ast, 0x10000 + (r & 0x0000ffff), v); 135 } 136 137 /* 138 * AST2100/2150 DLL CBR Setting 139 */ 140 #define CBR_SIZE_AST2150 ((16 << 10) - 1) 141 #define CBR_PASSNUM_AST2150 5 142 #define CBR_THRESHOLD_AST2150 10 143 #define CBR_THRESHOLD2_AST2150 10 144 #define TIMEOUT_AST2150 5000000 145 146 #define CBR_PATNUM_AST2150 8 147 148 static const u32 pattern_AST2150[14] = { 149 0xFF00FF00, 150 0xCC33CC33, 151 0xAA55AA55, 152 0xFFFE0001, 153 0x683501FE, 154 0x0F1929B0, 155 0x2D0B4346, 156 0x60767F02, 157 0x6FBE36A6, 158 0x3A253035, 159 0x3019686D, 160 0x41C6167E, 161 0x620152BF, 162 0x20F050E0 163 }; 164 165 static u32 mmctestburst2_ast2150(struct ast_private *ast, u32 datagen) 166 { 167 u32 data, timeout; 168 169 ast_moutdwm(ast, 0x1e6e0070, 0x00000000); 170 ast_moutdwm(ast, 0x1e6e0070, 0x00000001 | (datagen << 3)); 171 timeout = 0; 172 do { 173 data = ast_mindwm(ast, 0x1e6e0070) & 0x40; 174 if (++timeout > TIMEOUT_AST2150) { 175 ast_moutdwm(ast, 0x1e6e0070, 0x00000000); 176 return 0xffffffff; 177 } 178 } while (!data); 179 ast_moutdwm(ast, 0x1e6e0070, 0x00000000); 180 ast_moutdwm(ast, 0x1e6e0070, 0x00000003 | (datagen << 3)); 181 timeout = 0; 182 do { 183 data = ast_mindwm(ast, 0x1e6e0070) & 0x40; 184 if (++timeout > TIMEOUT_AST2150) { 185 ast_moutdwm(ast, 0x1e6e0070, 0x00000000); 186 return 0xffffffff; 187 } 188 } while (!data); 189 data = (ast_mindwm(ast, 0x1e6e0070) & 0x80) >> 7; 190 ast_moutdwm(ast, 0x1e6e0070, 0x00000000); 191 return data; 192 } 193 194 #if 0 /* unused in DDX driver - here for completeness */ 195 static u32 mmctestsingle2_ast2150(struct ast_private *ast, u32 datagen) 196 { 197 u32 data, timeout; 198 199 ast_moutdwm(ast, 0x1e6e0070, 0x00000000); 200 ast_moutdwm(ast, 0x1e6e0070, 0x00000005 | (datagen << 3)); 201 timeout = 0; 202 do { 203 data = ast_mindwm(ast, 0x1e6e0070) & 0x40; 204 if (++timeout > TIMEOUT_AST2150) { 205 ast_moutdwm(ast, 0x1e6e0070, 0x00000000); 206 return 0xffffffff; 207 } 208 } while (!data); 209 data = (ast_mindwm(ast, 0x1e6e0070) & 0x80) >> 7; 210 ast_moutdwm(ast, 0x1e6e0070, 0x00000000); 211 return data; 212 } 213 #endif 214 215 static int cbrtest_ast2150(struct ast_private *ast) 216 { 217 int i; 218 219 for (i = 0; i < 8; i++) 220 if (mmctestburst2_ast2150(ast, i)) 221 return 0; 222 return 1; 223 } 224 225 static int cbrscan_ast2150(struct ast_private *ast, int busw) 226 { 227 u32 patcnt, loop; 228 229 for (patcnt = 0; patcnt < CBR_PATNUM_AST2150; patcnt++) { 230 ast_moutdwm(ast, 0x1e6e007c, pattern_AST2150[patcnt]); 231 for (loop = 0; loop < CBR_PASSNUM_AST2150; loop++) { 232 if (cbrtest_ast2150(ast)) 233 break; 234 } 235 if (loop == CBR_PASSNUM_AST2150) 236 return 0; 237 } 238 return 1; 239 } 240 241 242 static void cbrdlli_ast2150(struct ast_private *ast, int busw) 243 { 244 u32 dll_min[4], dll_max[4], dlli, data, passcnt; 245 246 cbr_start: 247 dll_min[0] = dll_min[1] = dll_min[2] = dll_min[3] = 0xff; 248 dll_max[0] = dll_max[1] = dll_max[2] = dll_max[3] = 0x0; 249 passcnt = 0; 250 251 for (dlli = 0; dlli < 100; dlli++) { 252 ast_moutdwm(ast, 0x1e6e0068, dlli | (dlli << 8) | (dlli << 16) | (dlli << 24)); 253 data = cbrscan_ast2150(ast, busw); 254 if (data != 0) { 255 if (data & 0x1) { 256 if (dll_min[0] > dlli) 257 dll_min[0] = dlli; 258 if (dll_max[0] < dlli) 259 dll_max[0] = dlli; 260 } 261 passcnt++; 262 } else if (passcnt >= CBR_THRESHOLD_AST2150) 263 goto cbr_start; 264 } 265 if (dll_max[0] == 0 || (dll_max[0]-dll_min[0]) < CBR_THRESHOLD_AST2150) 266 goto cbr_start; 267 268 dlli = dll_min[0] + (((dll_max[0] - dll_min[0]) * 7) >> 4); 269 ast_moutdwm(ast, 0x1e6e0068, dlli | (dlli << 8) | (dlli << 16) | (dlli << 24)); 270 } 271 272 273 274 static void ast_init_dram_reg(struct drm_device *dev) 275 { 276 struct ast_private *ast = to_ast_private(dev); 277 u8 j; 278 u32 data, temp, i; 279 const struct ast_dramstruct *dram_reg_info; 280 281 j = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xd0, 0xff); 282 283 if ((j & 0x80) == 0) { /* VGA only */ 284 if (ast->chip == AST2000) { 285 dram_reg_info = ast2000_dram_table_data; 286 ast_write32(ast, 0xf004, 0x1e6e0000); 287 ast_write32(ast, 0xf000, 0x1); 288 ast_write32(ast, 0x10100, 0xa8); 289 290 do { 291 ; 292 } while (ast_read32(ast, 0x10100) != 0xa8); 293 } else {/* AST2100/1100 */ 294 if (ast->chip == AST2100 || ast->chip == 2200) 295 dram_reg_info = ast2100_dram_table_data; 296 else 297 dram_reg_info = ast1100_dram_table_data; 298 299 ast_write32(ast, 0xf004, 0x1e6e0000); 300 ast_write32(ast, 0xf000, 0x1); 301 ast_write32(ast, 0x12000, 0x1688A8A8); 302 do { 303 ; 304 } while (ast_read32(ast, 0x12000) != 0x01); 305 306 ast_write32(ast, 0x10000, 0xfc600309); 307 do { 308 ; 309 } while (ast_read32(ast, 0x10000) != 0x01); 310 } 311 312 while (dram_reg_info->index != 0xffff) { 313 if (dram_reg_info->index == 0xff00) {/* delay fn */ 314 for (i = 0; i < 15; i++) 315 udelay(dram_reg_info->data); 316 } else if (dram_reg_info->index == 0x4 && ast->chip != AST2000) { 317 data = dram_reg_info->data; 318 if (ast->dram_type == AST_DRAM_1Gx16) 319 data = 0x00000d89; 320 else if (ast->dram_type == AST_DRAM_1Gx32) 321 data = 0x00000c8d; 322 323 temp = ast_read32(ast, 0x12070); 324 temp &= 0xc; 325 temp <<= 2; 326 ast_write32(ast, 0x10000 + dram_reg_info->index, data | temp); 327 } else 328 ast_write32(ast, 0x10000 + dram_reg_info->index, dram_reg_info->data); 329 dram_reg_info++; 330 } 331 332 /* AST 2100/2150 DRAM calibration */ 333 data = ast_read32(ast, 0x10120); 334 if (data == 0x5061) { /* 266Mhz */ 335 data = ast_read32(ast, 0x10004); 336 if (data & 0x40) 337 cbrdlli_ast2150(ast, 16); /* 16 bits */ 338 else 339 cbrdlli_ast2150(ast, 32); /* 32 bits */ 340 } 341 342 switch (ast->chip) { 343 case AST2000: 344 temp = ast_read32(ast, 0x10140); 345 ast_write32(ast, 0x10140, temp | 0x40); 346 break; 347 case AST1100: 348 case AST2100: 349 case AST2200: 350 case AST2150: 351 temp = ast_read32(ast, 0x1200c); 352 ast_write32(ast, 0x1200c, temp & 0xfffffffd); 353 temp = ast_read32(ast, 0x12040); 354 ast_write32(ast, 0x12040, temp | 0x40); 355 break; 356 default: 357 break; 358 } 359 } 360 361 /* wait ready */ 362 do { 363 j = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xd0, 0xff); 364 } while ((j & 0x40) == 0); 365 } 366 367 void ast_post_gpu(struct drm_device *dev) 368 { 369 struct ast_private *ast = to_ast_private(dev); 370 struct pci_dev *pdev = to_pci_dev(dev->dev); 371 u32 reg; 372 373 pci_read_config_dword(pdev, 0x04, ®); 374 reg |= 0x3; 375 pci_write_config_dword(pdev, 0x04, reg); 376 377 ast_enable_vga(dev); 378 ast_open_key(ast); 379 ast_enable_mmio(dev); 380 ast_set_def_ext_reg(dev); 381 382 if (ast->chip == AST2600) { 383 ast_dp_launch(dev, 1); 384 } else if (ast->config_mode == ast_use_p2a) { 385 if (ast->chip == AST2500) 386 ast_post_chip_2500(dev); 387 else if (ast->chip == AST2300 || ast->chip == AST2400) 388 ast_post_chip_2300(dev); 389 else 390 ast_init_dram_reg(dev); 391 392 ast_init_3rdtx(dev); 393 } else { 394 if (ast->tx_chip_types & AST_TX_SIL164_BIT) 395 ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xa3, 0xcf, 0x80); /* Enable DVO */ 396 } 397 } 398 399 /* AST 2300 DRAM settings */ 400 #define AST_DDR3 0 401 #define AST_DDR2 1 402 403 struct ast2300_dram_param { 404 u32 dram_type; 405 u32 dram_chipid; 406 u32 dram_freq; 407 u32 vram_size; 408 u32 odt; 409 u32 wodt; 410 u32 rodt; 411 u32 dram_config; 412 u32 reg_PERIOD; 413 u32 reg_MADJ; 414 u32 reg_SADJ; 415 u32 reg_MRS; 416 u32 reg_EMRS; 417 u32 reg_AC1; 418 u32 reg_AC2; 419 u32 reg_DQSIC; 420 u32 reg_DRV; 421 u32 reg_IOZ; 422 u32 reg_DQIDLY; 423 u32 reg_FREQ; 424 u32 madj_max; 425 u32 dll2_finetune_step; 426 }; 427 428 /* 429 * DQSI DLL CBR Setting 430 */ 431 #define CBR_SIZE0 ((1 << 10) - 1) 432 #define CBR_SIZE1 ((4 << 10) - 1) 433 #define CBR_SIZE2 ((64 << 10) - 1) 434 #define CBR_PASSNUM 5 435 #define CBR_PASSNUM2 5 436 #define CBR_THRESHOLD 10 437 #define CBR_THRESHOLD2 10 438 #define TIMEOUT 5000000 439 #define CBR_PATNUM 8 440 441 static const u32 pattern[8] = { 442 0xFF00FF00, 443 0xCC33CC33, 444 0xAA55AA55, 445 0x88778877, 446 0x92CC4D6E, 447 0x543D3CDE, 448 0xF1E843C7, 449 0x7C61D253 450 }; 451 452 static bool mmc_test(struct ast_private *ast, u32 datagen, u8 test_ctl) 453 { 454 u32 data, timeout; 455 456 ast_moutdwm(ast, 0x1e6e0070, 0x00000000); 457 ast_moutdwm(ast, 0x1e6e0070, (datagen << 3) | test_ctl); 458 timeout = 0; 459 do { 460 data = ast_mindwm(ast, 0x1e6e0070) & 0x3000; 461 if (data & 0x2000) 462 return false; 463 if (++timeout > TIMEOUT) { 464 ast_moutdwm(ast, 0x1e6e0070, 0x00000000); 465 return false; 466 } 467 } while (!data); 468 ast_moutdwm(ast, 0x1e6e0070, 0x0); 469 return true; 470 } 471 472 static u32 mmc_test2(struct ast_private *ast, u32 datagen, u8 test_ctl) 473 { 474 u32 data, timeout; 475 476 ast_moutdwm(ast, 0x1e6e0070, 0x00000000); 477 ast_moutdwm(ast, 0x1e6e0070, (datagen << 3) | test_ctl); 478 timeout = 0; 479 do { 480 data = ast_mindwm(ast, 0x1e6e0070) & 0x1000; 481 if (++timeout > TIMEOUT) { 482 ast_moutdwm(ast, 0x1e6e0070, 0x0); 483 return 0xffffffff; 484 } 485 } while (!data); 486 data = ast_mindwm(ast, 0x1e6e0078); 487 data = (data | (data >> 16)) & 0xffff; 488 ast_moutdwm(ast, 0x1e6e0070, 0x00000000); 489 return data; 490 } 491 492 493 static bool mmc_test_burst(struct ast_private *ast, u32 datagen) 494 { 495 return mmc_test(ast, datagen, 0xc1); 496 } 497 498 static u32 mmc_test_burst2(struct ast_private *ast, u32 datagen) 499 { 500 return mmc_test2(ast, datagen, 0x41); 501 } 502 503 static bool mmc_test_single(struct ast_private *ast, u32 datagen) 504 { 505 return mmc_test(ast, datagen, 0xc5); 506 } 507 508 static u32 mmc_test_single2(struct ast_private *ast, u32 datagen) 509 { 510 return mmc_test2(ast, datagen, 0x05); 511 } 512 513 static bool mmc_test_single_2500(struct ast_private *ast, u32 datagen) 514 { 515 return mmc_test(ast, datagen, 0x85); 516 } 517 518 static int cbr_test(struct ast_private *ast) 519 { 520 u32 data; 521 int i; 522 data = mmc_test_single2(ast, 0); 523 if ((data & 0xff) && (data & 0xff00)) 524 return 0; 525 for (i = 0; i < 8; i++) { 526 data = mmc_test_burst2(ast, i); 527 if ((data & 0xff) && (data & 0xff00)) 528 return 0; 529 } 530 if (!data) 531 return 3; 532 else if (data & 0xff) 533 return 2; 534 return 1; 535 } 536 537 static int cbr_scan(struct ast_private *ast) 538 { 539 u32 data, data2, patcnt, loop; 540 541 data2 = 3; 542 for (patcnt = 0; patcnt < CBR_PATNUM; patcnt++) { 543 ast_moutdwm(ast, 0x1e6e007c, pattern[patcnt]); 544 for (loop = 0; loop < CBR_PASSNUM2; loop++) { 545 if ((data = cbr_test(ast)) != 0) { 546 data2 &= data; 547 if (!data2) 548 return 0; 549 break; 550 } 551 } 552 if (loop == CBR_PASSNUM2) 553 return 0; 554 } 555 return data2; 556 } 557 558 static u32 cbr_test2(struct ast_private *ast) 559 { 560 u32 data; 561 562 data = mmc_test_burst2(ast, 0); 563 if (data == 0xffff) 564 return 0; 565 data |= mmc_test_single2(ast, 0); 566 if (data == 0xffff) 567 return 0; 568 569 return ~data & 0xffff; 570 } 571 572 static u32 cbr_scan2(struct ast_private *ast) 573 { 574 u32 data, data2, patcnt, loop; 575 576 data2 = 0xffff; 577 for (patcnt = 0; patcnt < CBR_PATNUM; patcnt++) { 578 ast_moutdwm(ast, 0x1e6e007c, pattern[patcnt]); 579 for (loop = 0; loop < CBR_PASSNUM2; loop++) { 580 if ((data = cbr_test2(ast)) != 0) { 581 data2 &= data; 582 if (!data2) 583 return 0; 584 break; 585 } 586 } 587 if (loop == CBR_PASSNUM2) 588 return 0; 589 } 590 return data2; 591 } 592 593 static bool cbr_test3(struct ast_private *ast) 594 { 595 if (!mmc_test_burst(ast, 0)) 596 return false; 597 if (!mmc_test_single(ast, 0)) 598 return false; 599 return true; 600 } 601 602 static bool cbr_scan3(struct ast_private *ast) 603 { 604 u32 patcnt, loop; 605 606 for (patcnt = 0; patcnt < CBR_PATNUM; patcnt++) { 607 ast_moutdwm(ast, 0x1e6e007c, pattern[patcnt]); 608 for (loop = 0; loop < 2; loop++) { 609 if (cbr_test3(ast)) 610 break; 611 } 612 if (loop == 2) 613 return false; 614 } 615 return true; 616 } 617 618 static bool finetuneDQI_L(struct ast_private *ast, struct ast2300_dram_param *param) 619 { 620 u32 gold_sadj[2], dllmin[16], dllmax[16], dlli, data, cnt, mask, passcnt, retry = 0; 621 bool status = false; 622 FINETUNE_START: 623 for (cnt = 0; cnt < 16; cnt++) { 624 dllmin[cnt] = 0xff; 625 dllmax[cnt] = 0x0; 626 } 627 passcnt = 0; 628 for (dlli = 0; dlli < 76; dlli++) { 629 ast_moutdwm(ast, 0x1E6E0068, 0x00001400 | (dlli << 16) | (dlli << 24)); 630 ast_moutdwm(ast, 0x1E6E0074, CBR_SIZE1); 631 data = cbr_scan2(ast); 632 if (data != 0) { 633 mask = 0x00010001; 634 for (cnt = 0; cnt < 16; cnt++) { 635 if (data & mask) { 636 if (dllmin[cnt] > dlli) { 637 dllmin[cnt] = dlli; 638 } 639 if (dllmax[cnt] < dlli) { 640 dllmax[cnt] = dlli; 641 } 642 } 643 mask <<= 1; 644 } 645 passcnt++; 646 } else if (passcnt >= CBR_THRESHOLD2) { 647 break; 648 } 649 } 650 gold_sadj[0] = 0x0; 651 passcnt = 0; 652 for (cnt = 0; cnt < 16; cnt++) { 653 if ((dllmax[cnt] > dllmin[cnt]) && ((dllmax[cnt] - dllmin[cnt]) >= CBR_THRESHOLD2)) { 654 gold_sadj[0] += dllmin[cnt]; 655 passcnt++; 656 } 657 } 658 if (retry++ > 10) 659 goto FINETUNE_DONE; 660 if (passcnt != 16) { 661 goto FINETUNE_START; 662 } 663 status = true; 664 FINETUNE_DONE: 665 gold_sadj[0] = gold_sadj[0] >> 4; 666 gold_sadj[1] = gold_sadj[0]; 667 668 data = 0; 669 for (cnt = 0; cnt < 8; cnt++) { 670 data >>= 3; 671 if ((dllmax[cnt] > dllmin[cnt]) && ((dllmax[cnt] - dllmin[cnt]) >= CBR_THRESHOLD2)) { 672 dlli = dllmin[cnt]; 673 if (gold_sadj[0] >= dlli) { 674 dlli = ((gold_sadj[0] - dlli) * 19) >> 5; 675 if (dlli > 3) { 676 dlli = 3; 677 } 678 } else { 679 dlli = ((dlli - gold_sadj[0]) * 19) >> 5; 680 if (dlli > 4) { 681 dlli = 4; 682 } 683 dlli = (8 - dlli) & 0x7; 684 } 685 data |= dlli << 21; 686 } 687 } 688 ast_moutdwm(ast, 0x1E6E0080, data); 689 690 data = 0; 691 for (cnt = 8; cnt < 16; cnt++) { 692 data >>= 3; 693 if ((dllmax[cnt] > dllmin[cnt]) && ((dllmax[cnt] - dllmin[cnt]) >= CBR_THRESHOLD2)) { 694 dlli = dllmin[cnt]; 695 if (gold_sadj[1] >= dlli) { 696 dlli = ((gold_sadj[1] - dlli) * 19) >> 5; 697 if (dlli > 3) { 698 dlli = 3; 699 } else { 700 dlli = (dlli - 1) & 0x7; 701 } 702 } else { 703 dlli = ((dlli - gold_sadj[1]) * 19) >> 5; 704 dlli += 1; 705 if (dlli > 4) { 706 dlli = 4; 707 } 708 dlli = (8 - dlli) & 0x7; 709 } 710 data |= dlli << 21; 711 } 712 } 713 ast_moutdwm(ast, 0x1E6E0084, data); 714 return status; 715 } /* finetuneDQI_L */ 716 717 static void finetuneDQSI(struct ast_private *ast) 718 { 719 u32 dlli, dqsip, dqidly; 720 u32 reg_mcr18, reg_mcr0c, passcnt[2], diff; 721 u32 g_dqidly, g_dqsip, g_margin, g_side; 722 u16 pass[32][2][2]; 723 char tag[2][76]; 724 725 /* Disable DQI CBR */ 726 reg_mcr0c = ast_mindwm(ast, 0x1E6E000C); 727 reg_mcr18 = ast_mindwm(ast, 0x1E6E0018); 728 reg_mcr18 &= 0x0000ffff; 729 ast_moutdwm(ast, 0x1E6E0018, reg_mcr18); 730 731 for (dlli = 0; dlli < 76; dlli++) { 732 tag[0][dlli] = 0x0; 733 tag[1][dlli] = 0x0; 734 } 735 for (dqidly = 0; dqidly < 32; dqidly++) { 736 pass[dqidly][0][0] = 0xff; 737 pass[dqidly][0][1] = 0x0; 738 pass[dqidly][1][0] = 0xff; 739 pass[dqidly][1][1] = 0x0; 740 } 741 for (dqidly = 0; dqidly < 32; dqidly++) { 742 passcnt[0] = passcnt[1] = 0; 743 for (dqsip = 0; dqsip < 2; dqsip++) { 744 ast_moutdwm(ast, 0x1E6E000C, 0); 745 ast_moutdwm(ast, 0x1E6E0018, reg_mcr18 | (dqidly << 16) | (dqsip << 23)); 746 ast_moutdwm(ast, 0x1E6E000C, reg_mcr0c); 747 for (dlli = 0; dlli < 76; dlli++) { 748 ast_moutdwm(ast, 0x1E6E0068, 0x00001300 | (dlli << 16) | (dlli << 24)); 749 ast_moutdwm(ast, 0x1E6E0070, 0); 750 ast_moutdwm(ast, 0x1E6E0074, CBR_SIZE0); 751 if (cbr_scan3(ast)) { 752 if (dlli == 0) 753 break; 754 passcnt[dqsip]++; 755 tag[dqsip][dlli] = 'P'; 756 if (dlli < pass[dqidly][dqsip][0]) 757 pass[dqidly][dqsip][0] = (u16) dlli; 758 if (dlli > pass[dqidly][dqsip][1]) 759 pass[dqidly][dqsip][1] = (u16) dlli; 760 } else if (passcnt[dqsip] >= 5) 761 break; 762 else { 763 pass[dqidly][dqsip][0] = 0xff; 764 pass[dqidly][dqsip][1] = 0x0; 765 } 766 } 767 } 768 if (passcnt[0] == 0 && passcnt[1] == 0) 769 dqidly++; 770 } 771 /* Search margin */ 772 g_dqidly = g_dqsip = g_margin = g_side = 0; 773 774 for (dqidly = 0; dqidly < 32; dqidly++) { 775 for (dqsip = 0; dqsip < 2; dqsip++) { 776 if (pass[dqidly][dqsip][0] > pass[dqidly][dqsip][1]) 777 continue; 778 diff = pass[dqidly][dqsip][1] - pass[dqidly][dqsip][0]; 779 if ((diff+2) < g_margin) 780 continue; 781 passcnt[0] = passcnt[1] = 0; 782 for (dlli = pass[dqidly][dqsip][0]; dlli > 0 && tag[dqsip][dlli] != 0; dlli--, passcnt[0]++); 783 for (dlli = pass[dqidly][dqsip][1]; dlli < 76 && tag[dqsip][dlli] != 0; dlli++, passcnt[1]++); 784 if (passcnt[0] > passcnt[1]) 785 passcnt[0] = passcnt[1]; 786 passcnt[1] = 0; 787 if (passcnt[0] > g_side) 788 passcnt[1] = passcnt[0] - g_side; 789 if (diff > (g_margin+1) && (passcnt[1] > 0 || passcnt[0] > 8)) { 790 g_margin = diff; 791 g_dqidly = dqidly; 792 g_dqsip = dqsip; 793 g_side = passcnt[0]; 794 } else if (passcnt[1] > 1 && g_side < 8) { 795 if (diff > g_margin) 796 g_margin = diff; 797 g_dqidly = dqidly; 798 g_dqsip = dqsip; 799 g_side = passcnt[0]; 800 } 801 } 802 } 803 reg_mcr18 = reg_mcr18 | (g_dqidly << 16) | (g_dqsip << 23); 804 ast_moutdwm(ast, 0x1E6E0018, reg_mcr18); 805 806 } 807 static bool cbr_dll2(struct ast_private *ast, struct ast2300_dram_param *param) 808 { 809 u32 dllmin[2], dllmax[2], dlli, data, passcnt, retry = 0; 810 bool status = false; 811 812 finetuneDQSI(ast); 813 if (finetuneDQI_L(ast, param) == false) 814 return status; 815 816 CBR_START2: 817 dllmin[0] = dllmin[1] = 0xff; 818 dllmax[0] = dllmax[1] = 0x0; 819 passcnt = 0; 820 for (dlli = 0; dlli < 76; dlli++) { 821 ast_moutdwm(ast, 0x1E6E0068, 0x00001300 | (dlli << 16) | (dlli << 24)); 822 ast_moutdwm(ast, 0x1E6E0074, CBR_SIZE2); 823 data = cbr_scan(ast); 824 if (data != 0) { 825 if (data & 0x1) { 826 if (dllmin[0] > dlli) { 827 dllmin[0] = dlli; 828 } 829 if (dllmax[0] < dlli) { 830 dllmax[0] = dlli; 831 } 832 } 833 if (data & 0x2) { 834 if (dllmin[1] > dlli) { 835 dllmin[1] = dlli; 836 } 837 if (dllmax[1] < dlli) { 838 dllmax[1] = dlli; 839 } 840 } 841 passcnt++; 842 } else if (passcnt >= CBR_THRESHOLD) { 843 break; 844 } 845 } 846 if (retry++ > 10) 847 goto CBR_DONE2; 848 if (dllmax[0] == 0 || (dllmax[0]-dllmin[0]) < CBR_THRESHOLD) { 849 goto CBR_START2; 850 } 851 if (dllmax[1] == 0 || (dllmax[1]-dllmin[1]) < CBR_THRESHOLD) { 852 goto CBR_START2; 853 } 854 status = true; 855 CBR_DONE2: 856 dlli = (dllmin[1] + dllmax[1]) >> 1; 857 dlli <<= 8; 858 dlli += (dllmin[0] + dllmax[0]) >> 1; 859 ast_moutdwm(ast, 0x1E6E0068, ast_mindwm(ast, 0x1E720058) | (dlli << 16)); 860 return status; 861 } /* CBRDLL2 */ 862 863 static void get_ddr3_info(struct ast_private *ast, struct ast2300_dram_param *param) 864 { 865 u32 trap, trap_AC2, trap_MRS; 866 867 ast_moutdwm(ast, 0x1E6E2000, 0x1688A8A8); 868 869 /* Ger trap info */ 870 trap = (ast_mindwm(ast, 0x1E6E2070) >> 25) & 0x3; 871 trap_AC2 = 0x00020000 + (trap << 16); 872 trap_AC2 |= 0x00300000 + ((trap & 0x2) << 19); 873 trap_MRS = 0x00000010 + (trap << 4); 874 trap_MRS |= ((trap & 0x2) << 18); 875 876 param->reg_MADJ = 0x00034C4C; 877 param->reg_SADJ = 0x00001800; 878 param->reg_DRV = 0x000000F0; 879 param->reg_PERIOD = param->dram_freq; 880 param->rodt = 0; 881 882 switch (param->dram_freq) { 883 case 336: 884 ast_moutdwm(ast, 0x1E6E2020, 0x0190); 885 param->wodt = 0; 886 param->reg_AC1 = 0x22202725; 887 param->reg_AC2 = 0xAA007613 | trap_AC2; 888 param->reg_DQSIC = 0x000000BA; 889 param->reg_MRS = 0x04001400 | trap_MRS; 890 param->reg_EMRS = 0x00000000; 891 param->reg_IOZ = 0x00000023; 892 param->reg_DQIDLY = 0x00000074; 893 param->reg_FREQ = 0x00004DC0; 894 param->madj_max = 96; 895 param->dll2_finetune_step = 3; 896 switch (param->dram_chipid) { 897 default: 898 case AST_DRAM_512Mx16: 899 case AST_DRAM_1Gx16: 900 param->reg_AC2 = 0xAA007613 | trap_AC2; 901 break; 902 case AST_DRAM_2Gx16: 903 param->reg_AC2 = 0xAA00761C | trap_AC2; 904 break; 905 case AST_DRAM_4Gx16: 906 param->reg_AC2 = 0xAA007636 | trap_AC2; 907 break; 908 } 909 break; 910 default: 911 case 396: 912 ast_moutdwm(ast, 0x1E6E2020, 0x03F1); 913 param->wodt = 1; 914 param->reg_AC1 = 0x33302825; 915 param->reg_AC2 = 0xCC009617 | trap_AC2; 916 param->reg_DQSIC = 0x000000E2; 917 param->reg_MRS = 0x04001600 | trap_MRS; 918 param->reg_EMRS = 0x00000000; 919 param->reg_IOZ = 0x00000034; 920 param->reg_DRV = 0x000000FA; 921 param->reg_DQIDLY = 0x00000089; 922 param->reg_FREQ = 0x00005040; 923 param->madj_max = 96; 924 param->dll2_finetune_step = 4; 925 926 switch (param->dram_chipid) { 927 default: 928 case AST_DRAM_512Mx16: 929 case AST_DRAM_1Gx16: 930 param->reg_AC2 = 0xCC009617 | trap_AC2; 931 break; 932 case AST_DRAM_2Gx16: 933 param->reg_AC2 = 0xCC009622 | trap_AC2; 934 break; 935 case AST_DRAM_4Gx16: 936 param->reg_AC2 = 0xCC00963F | trap_AC2; 937 break; 938 } 939 break; 940 941 case 408: 942 ast_moutdwm(ast, 0x1E6E2020, 0x01F0); 943 param->wodt = 1; 944 param->reg_AC1 = 0x33302825; 945 param->reg_AC2 = 0xCC009617 | trap_AC2; 946 param->reg_DQSIC = 0x000000E2; 947 param->reg_MRS = 0x04001600 | trap_MRS; 948 param->reg_EMRS = 0x00000000; 949 param->reg_IOZ = 0x00000023; 950 param->reg_DRV = 0x000000FA; 951 param->reg_DQIDLY = 0x00000089; 952 param->reg_FREQ = 0x000050C0; 953 param->madj_max = 96; 954 param->dll2_finetune_step = 4; 955 956 switch (param->dram_chipid) { 957 default: 958 case AST_DRAM_512Mx16: 959 case AST_DRAM_1Gx16: 960 param->reg_AC2 = 0xCC009617 | trap_AC2; 961 break; 962 case AST_DRAM_2Gx16: 963 param->reg_AC2 = 0xCC009622 | trap_AC2; 964 break; 965 case AST_DRAM_4Gx16: 966 param->reg_AC2 = 0xCC00963F | trap_AC2; 967 break; 968 } 969 970 break; 971 case 456: 972 ast_moutdwm(ast, 0x1E6E2020, 0x0230); 973 param->wodt = 0; 974 param->reg_AC1 = 0x33302926; 975 param->reg_AC2 = 0xCD44961A; 976 param->reg_DQSIC = 0x000000FC; 977 param->reg_MRS = 0x00081830; 978 param->reg_EMRS = 0x00000000; 979 param->reg_IOZ = 0x00000045; 980 param->reg_DQIDLY = 0x00000097; 981 param->reg_FREQ = 0x000052C0; 982 param->madj_max = 88; 983 param->dll2_finetune_step = 4; 984 break; 985 case 504: 986 ast_moutdwm(ast, 0x1E6E2020, 0x0270); 987 param->wodt = 1; 988 param->reg_AC1 = 0x33302926; 989 param->reg_AC2 = 0xDE44A61D; 990 param->reg_DQSIC = 0x00000117; 991 param->reg_MRS = 0x00081A30; 992 param->reg_EMRS = 0x00000000; 993 param->reg_IOZ = 0x070000BB; 994 param->reg_DQIDLY = 0x000000A0; 995 param->reg_FREQ = 0x000054C0; 996 param->madj_max = 79; 997 param->dll2_finetune_step = 4; 998 break; 999 case 528: 1000 ast_moutdwm(ast, 0x1E6E2020, 0x0290); 1001 param->wodt = 1; 1002 param->rodt = 1; 1003 param->reg_AC1 = 0x33302926; 1004 param->reg_AC2 = 0xEF44B61E; 1005 param->reg_DQSIC = 0x00000125; 1006 param->reg_MRS = 0x00081A30; 1007 param->reg_EMRS = 0x00000040; 1008 param->reg_DRV = 0x000000F5; 1009 param->reg_IOZ = 0x00000023; 1010 param->reg_DQIDLY = 0x00000088; 1011 param->reg_FREQ = 0x000055C0; 1012 param->madj_max = 76; 1013 param->dll2_finetune_step = 3; 1014 break; 1015 case 576: 1016 ast_moutdwm(ast, 0x1E6E2020, 0x0140); 1017 param->reg_MADJ = 0x00136868; 1018 param->reg_SADJ = 0x00004534; 1019 param->wodt = 1; 1020 param->rodt = 1; 1021 param->reg_AC1 = 0x33302A37; 1022 param->reg_AC2 = 0xEF56B61E; 1023 param->reg_DQSIC = 0x0000013F; 1024 param->reg_MRS = 0x00101A50; 1025 param->reg_EMRS = 0x00000040; 1026 param->reg_DRV = 0x000000FA; 1027 param->reg_IOZ = 0x00000023; 1028 param->reg_DQIDLY = 0x00000078; 1029 param->reg_FREQ = 0x000057C0; 1030 param->madj_max = 136; 1031 param->dll2_finetune_step = 3; 1032 break; 1033 case 600: 1034 ast_moutdwm(ast, 0x1E6E2020, 0x02E1); 1035 param->reg_MADJ = 0x00136868; 1036 param->reg_SADJ = 0x00004534; 1037 param->wodt = 1; 1038 param->rodt = 1; 1039 param->reg_AC1 = 0x32302A37; 1040 param->reg_AC2 = 0xDF56B61F; 1041 param->reg_DQSIC = 0x0000014D; 1042 param->reg_MRS = 0x00101A50; 1043 param->reg_EMRS = 0x00000004; 1044 param->reg_DRV = 0x000000F5; 1045 param->reg_IOZ = 0x00000023; 1046 param->reg_DQIDLY = 0x00000078; 1047 param->reg_FREQ = 0x000058C0; 1048 param->madj_max = 132; 1049 param->dll2_finetune_step = 3; 1050 break; 1051 case 624: 1052 ast_moutdwm(ast, 0x1E6E2020, 0x0160); 1053 param->reg_MADJ = 0x00136868; 1054 param->reg_SADJ = 0x00004534; 1055 param->wodt = 1; 1056 param->rodt = 1; 1057 param->reg_AC1 = 0x32302A37; 1058 param->reg_AC2 = 0xEF56B621; 1059 param->reg_DQSIC = 0x0000015A; 1060 param->reg_MRS = 0x02101A50; 1061 param->reg_EMRS = 0x00000004; 1062 param->reg_DRV = 0x000000F5; 1063 param->reg_IOZ = 0x00000034; 1064 param->reg_DQIDLY = 0x00000078; 1065 param->reg_FREQ = 0x000059C0; 1066 param->madj_max = 128; 1067 param->dll2_finetune_step = 3; 1068 break; 1069 } /* switch freq */ 1070 1071 switch (param->dram_chipid) { 1072 case AST_DRAM_512Mx16: 1073 param->dram_config = 0x130; 1074 break; 1075 default: 1076 case AST_DRAM_1Gx16: 1077 param->dram_config = 0x131; 1078 break; 1079 case AST_DRAM_2Gx16: 1080 param->dram_config = 0x132; 1081 break; 1082 case AST_DRAM_4Gx16: 1083 param->dram_config = 0x133; 1084 break; 1085 } /* switch size */ 1086 1087 switch (param->vram_size) { 1088 default: 1089 case AST_VIDMEM_SIZE_8M: 1090 param->dram_config |= 0x00; 1091 break; 1092 case AST_VIDMEM_SIZE_16M: 1093 param->dram_config |= 0x04; 1094 break; 1095 case AST_VIDMEM_SIZE_32M: 1096 param->dram_config |= 0x08; 1097 break; 1098 case AST_VIDMEM_SIZE_64M: 1099 param->dram_config |= 0x0c; 1100 break; 1101 } 1102 1103 } 1104 1105 static void ddr3_init(struct ast_private *ast, struct ast2300_dram_param *param) 1106 { 1107 u32 data, data2, retry = 0; 1108 1109 ddr3_init_start: 1110 ast_moutdwm(ast, 0x1E6E0000, 0xFC600309); 1111 ast_moutdwm(ast, 0x1E6E0018, 0x00000100); 1112 ast_moutdwm(ast, 0x1E6E0024, 0x00000000); 1113 ast_moutdwm(ast, 0x1E6E0034, 0x00000000); 1114 udelay(10); 1115 ast_moutdwm(ast, 0x1E6E0064, param->reg_MADJ); 1116 ast_moutdwm(ast, 0x1E6E0068, param->reg_SADJ); 1117 udelay(10); 1118 ast_moutdwm(ast, 0x1E6E0064, param->reg_MADJ | 0xC0000); 1119 udelay(10); 1120 1121 ast_moutdwm(ast, 0x1E6E0004, param->dram_config); 1122 ast_moutdwm(ast, 0x1E6E0008, 0x90040f); 1123 ast_moutdwm(ast, 0x1E6E0010, param->reg_AC1); 1124 ast_moutdwm(ast, 0x1E6E0014, param->reg_AC2); 1125 ast_moutdwm(ast, 0x1E6E0020, param->reg_DQSIC); 1126 ast_moutdwm(ast, 0x1E6E0080, 0x00000000); 1127 ast_moutdwm(ast, 0x1E6E0084, 0x00000000); 1128 ast_moutdwm(ast, 0x1E6E0088, param->reg_DQIDLY); 1129 ast_moutdwm(ast, 0x1E6E0018, 0x4000A170); 1130 ast_moutdwm(ast, 0x1E6E0018, 0x00002370); 1131 ast_moutdwm(ast, 0x1E6E0038, 0x00000000); 1132 ast_moutdwm(ast, 0x1E6E0040, 0xFF444444); 1133 ast_moutdwm(ast, 0x1E6E0044, 0x22222222); 1134 ast_moutdwm(ast, 0x1E6E0048, 0x22222222); 1135 ast_moutdwm(ast, 0x1E6E004C, 0x00000002); 1136 ast_moutdwm(ast, 0x1E6E0050, 0x80000000); 1137 ast_moutdwm(ast, 0x1E6E0050, 0x00000000); 1138 ast_moutdwm(ast, 0x1E6E0054, 0); 1139 ast_moutdwm(ast, 0x1E6E0060, param->reg_DRV); 1140 ast_moutdwm(ast, 0x1E6E006C, param->reg_IOZ); 1141 ast_moutdwm(ast, 0x1E6E0070, 0x00000000); 1142 ast_moutdwm(ast, 0x1E6E0074, 0x00000000); 1143 ast_moutdwm(ast, 0x1E6E0078, 0x00000000); 1144 ast_moutdwm(ast, 0x1E6E007C, 0x00000000); 1145 /* Wait MCLK2X lock to MCLK */ 1146 do { 1147 data = ast_mindwm(ast, 0x1E6E001C); 1148 } while (!(data & 0x08000000)); 1149 data = ast_mindwm(ast, 0x1E6E001C); 1150 data = (data >> 8) & 0xff; 1151 while ((data & 0x08) || ((data & 0x7) < 2) || (data < 4)) { 1152 data2 = (ast_mindwm(ast, 0x1E6E0064) & 0xfff3ffff) + 4; 1153 if ((data2 & 0xff) > param->madj_max) { 1154 break; 1155 } 1156 ast_moutdwm(ast, 0x1E6E0064, data2); 1157 if (data2 & 0x00100000) { 1158 data2 = ((data2 & 0xff) >> 3) + 3; 1159 } else { 1160 data2 = ((data2 & 0xff) >> 2) + 5; 1161 } 1162 data = ast_mindwm(ast, 0x1E6E0068) & 0xffff00ff; 1163 data2 += data & 0xff; 1164 data = data | (data2 << 8); 1165 ast_moutdwm(ast, 0x1E6E0068, data); 1166 udelay(10); 1167 ast_moutdwm(ast, 0x1E6E0064, ast_mindwm(ast, 0x1E6E0064) | 0xC0000); 1168 udelay(10); 1169 data = ast_mindwm(ast, 0x1E6E0018) & 0xfffff1ff; 1170 ast_moutdwm(ast, 0x1E6E0018, data); 1171 data = data | 0x200; 1172 ast_moutdwm(ast, 0x1E6E0018, data); 1173 do { 1174 data = ast_mindwm(ast, 0x1E6E001C); 1175 } while (!(data & 0x08000000)); 1176 1177 data = ast_mindwm(ast, 0x1E6E001C); 1178 data = (data >> 8) & 0xff; 1179 } 1180 ast_moutdwm(ast, 0x1E720058, ast_mindwm(ast, 0x1E6E0068) & 0xffff); 1181 data = ast_mindwm(ast, 0x1E6E0018) | 0xC00; 1182 ast_moutdwm(ast, 0x1E6E0018, data); 1183 1184 ast_moutdwm(ast, 0x1E6E0034, 0x00000001); 1185 ast_moutdwm(ast, 0x1E6E000C, 0x00000040); 1186 udelay(50); 1187 /* Mode Register Setting */ 1188 ast_moutdwm(ast, 0x1E6E002C, param->reg_MRS | 0x100); 1189 ast_moutdwm(ast, 0x1E6E0030, param->reg_EMRS); 1190 ast_moutdwm(ast, 0x1E6E0028, 0x00000005); 1191 ast_moutdwm(ast, 0x1E6E0028, 0x00000007); 1192 ast_moutdwm(ast, 0x1E6E0028, 0x00000003); 1193 ast_moutdwm(ast, 0x1E6E0028, 0x00000001); 1194 ast_moutdwm(ast, 0x1E6E002C, param->reg_MRS); 1195 ast_moutdwm(ast, 0x1E6E000C, 0x00005C08); 1196 ast_moutdwm(ast, 0x1E6E0028, 0x00000001); 1197 1198 ast_moutdwm(ast, 0x1E6E000C, 0x00005C01); 1199 data = 0; 1200 if (param->wodt) { 1201 data = 0x300; 1202 } 1203 if (param->rodt) { 1204 data = data | 0x3000 | ((param->reg_AC2 & 0x60000) >> 3); 1205 } 1206 ast_moutdwm(ast, 0x1E6E0034, data | 0x3); 1207 1208 /* Calibrate the DQSI delay */ 1209 if ((cbr_dll2(ast, param) == false) && (retry++ < 10)) 1210 goto ddr3_init_start; 1211 1212 ast_moutdwm(ast, 0x1E6E0120, param->reg_FREQ); 1213 /* ECC Memory Initialization */ 1214 #ifdef ECC 1215 ast_moutdwm(ast, 0x1E6E007C, 0x00000000); 1216 ast_moutdwm(ast, 0x1E6E0070, 0x221); 1217 do { 1218 data = ast_mindwm(ast, 0x1E6E0070); 1219 } while (!(data & 0x00001000)); 1220 ast_moutdwm(ast, 0x1E6E0070, 0x00000000); 1221 ast_moutdwm(ast, 0x1E6E0050, 0x80000000); 1222 ast_moutdwm(ast, 0x1E6E0050, 0x00000000); 1223 #endif 1224 1225 1226 } 1227 1228 static void get_ddr2_info(struct ast_private *ast, struct ast2300_dram_param *param) 1229 { 1230 u32 trap, trap_AC2, trap_MRS; 1231 1232 ast_moutdwm(ast, 0x1E6E2000, 0x1688A8A8); 1233 1234 /* Ger trap info */ 1235 trap = (ast_mindwm(ast, 0x1E6E2070) >> 25) & 0x3; 1236 trap_AC2 = (trap << 20) | (trap << 16); 1237 trap_AC2 += 0x00110000; 1238 trap_MRS = 0x00000040 | (trap << 4); 1239 1240 1241 param->reg_MADJ = 0x00034C4C; 1242 param->reg_SADJ = 0x00001800; 1243 param->reg_DRV = 0x000000F0; 1244 param->reg_PERIOD = param->dram_freq; 1245 param->rodt = 0; 1246 1247 switch (param->dram_freq) { 1248 case 264: 1249 ast_moutdwm(ast, 0x1E6E2020, 0x0130); 1250 param->wodt = 0; 1251 param->reg_AC1 = 0x11101513; 1252 param->reg_AC2 = 0x78117011; 1253 param->reg_DQSIC = 0x00000092; 1254 param->reg_MRS = 0x00000842; 1255 param->reg_EMRS = 0x00000000; 1256 param->reg_DRV = 0x000000F0; 1257 param->reg_IOZ = 0x00000034; 1258 param->reg_DQIDLY = 0x0000005A; 1259 param->reg_FREQ = 0x00004AC0; 1260 param->madj_max = 138; 1261 param->dll2_finetune_step = 3; 1262 break; 1263 case 336: 1264 ast_moutdwm(ast, 0x1E6E2020, 0x0190); 1265 param->wodt = 1; 1266 param->reg_AC1 = 0x22202613; 1267 param->reg_AC2 = 0xAA009016 | trap_AC2; 1268 param->reg_DQSIC = 0x000000BA; 1269 param->reg_MRS = 0x00000A02 | trap_MRS; 1270 param->reg_EMRS = 0x00000040; 1271 param->reg_DRV = 0x000000FA; 1272 param->reg_IOZ = 0x00000034; 1273 param->reg_DQIDLY = 0x00000074; 1274 param->reg_FREQ = 0x00004DC0; 1275 param->madj_max = 96; 1276 param->dll2_finetune_step = 3; 1277 switch (param->dram_chipid) { 1278 default: 1279 case AST_DRAM_512Mx16: 1280 param->reg_AC2 = 0xAA009012 | trap_AC2; 1281 break; 1282 case AST_DRAM_1Gx16: 1283 param->reg_AC2 = 0xAA009016 | trap_AC2; 1284 break; 1285 case AST_DRAM_2Gx16: 1286 param->reg_AC2 = 0xAA009023 | trap_AC2; 1287 break; 1288 case AST_DRAM_4Gx16: 1289 param->reg_AC2 = 0xAA00903B | trap_AC2; 1290 break; 1291 } 1292 break; 1293 default: 1294 case 396: 1295 ast_moutdwm(ast, 0x1E6E2020, 0x03F1); 1296 param->wodt = 1; 1297 param->rodt = 0; 1298 param->reg_AC1 = 0x33302714; 1299 param->reg_AC2 = 0xCC00B01B | trap_AC2; 1300 param->reg_DQSIC = 0x000000E2; 1301 param->reg_MRS = 0x00000C02 | trap_MRS; 1302 param->reg_EMRS = 0x00000040; 1303 param->reg_DRV = 0x000000FA; 1304 param->reg_IOZ = 0x00000034; 1305 param->reg_DQIDLY = 0x00000089; 1306 param->reg_FREQ = 0x00005040; 1307 param->madj_max = 96; 1308 param->dll2_finetune_step = 4; 1309 1310 switch (param->dram_chipid) { 1311 case AST_DRAM_512Mx16: 1312 param->reg_AC2 = 0xCC00B016 | trap_AC2; 1313 break; 1314 default: 1315 case AST_DRAM_1Gx16: 1316 param->reg_AC2 = 0xCC00B01B | trap_AC2; 1317 break; 1318 case AST_DRAM_2Gx16: 1319 param->reg_AC2 = 0xCC00B02B | trap_AC2; 1320 break; 1321 case AST_DRAM_4Gx16: 1322 param->reg_AC2 = 0xCC00B03F | trap_AC2; 1323 break; 1324 } 1325 1326 break; 1327 1328 case 408: 1329 ast_moutdwm(ast, 0x1E6E2020, 0x01F0); 1330 param->wodt = 1; 1331 param->rodt = 0; 1332 param->reg_AC1 = 0x33302714; 1333 param->reg_AC2 = 0xCC00B01B | trap_AC2; 1334 param->reg_DQSIC = 0x000000E2; 1335 param->reg_MRS = 0x00000C02 | trap_MRS; 1336 param->reg_EMRS = 0x00000040; 1337 param->reg_DRV = 0x000000FA; 1338 param->reg_IOZ = 0x00000034; 1339 param->reg_DQIDLY = 0x00000089; 1340 param->reg_FREQ = 0x000050C0; 1341 param->madj_max = 96; 1342 param->dll2_finetune_step = 4; 1343 1344 switch (param->dram_chipid) { 1345 case AST_DRAM_512Mx16: 1346 param->reg_AC2 = 0xCC00B016 | trap_AC2; 1347 break; 1348 default: 1349 case AST_DRAM_1Gx16: 1350 param->reg_AC2 = 0xCC00B01B | trap_AC2; 1351 break; 1352 case AST_DRAM_2Gx16: 1353 param->reg_AC2 = 0xCC00B02B | trap_AC2; 1354 break; 1355 case AST_DRAM_4Gx16: 1356 param->reg_AC2 = 0xCC00B03F | trap_AC2; 1357 break; 1358 } 1359 1360 break; 1361 case 456: 1362 ast_moutdwm(ast, 0x1E6E2020, 0x0230); 1363 param->wodt = 0; 1364 param->reg_AC1 = 0x33302815; 1365 param->reg_AC2 = 0xCD44B01E; 1366 param->reg_DQSIC = 0x000000FC; 1367 param->reg_MRS = 0x00000E72; 1368 param->reg_EMRS = 0x00000000; 1369 param->reg_DRV = 0x00000000; 1370 param->reg_IOZ = 0x00000034; 1371 param->reg_DQIDLY = 0x00000097; 1372 param->reg_FREQ = 0x000052C0; 1373 param->madj_max = 88; 1374 param->dll2_finetune_step = 3; 1375 break; 1376 case 504: 1377 ast_moutdwm(ast, 0x1E6E2020, 0x0261); 1378 param->wodt = 1; 1379 param->rodt = 1; 1380 param->reg_AC1 = 0x33302815; 1381 param->reg_AC2 = 0xDE44C022; 1382 param->reg_DQSIC = 0x00000117; 1383 param->reg_MRS = 0x00000E72; 1384 param->reg_EMRS = 0x00000040; 1385 param->reg_DRV = 0x0000000A; 1386 param->reg_IOZ = 0x00000045; 1387 param->reg_DQIDLY = 0x000000A0; 1388 param->reg_FREQ = 0x000054C0; 1389 param->madj_max = 79; 1390 param->dll2_finetune_step = 3; 1391 break; 1392 case 528: 1393 ast_moutdwm(ast, 0x1E6E2020, 0x0120); 1394 param->wodt = 1; 1395 param->rodt = 1; 1396 param->reg_AC1 = 0x33302815; 1397 param->reg_AC2 = 0xEF44D024; 1398 param->reg_DQSIC = 0x00000125; 1399 param->reg_MRS = 0x00000E72; 1400 param->reg_EMRS = 0x00000004; 1401 param->reg_DRV = 0x000000F9; 1402 param->reg_IOZ = 0x00000045; 1403 param->reg_DQIDLY = 0x000000A7; 1404 param->reg_FREQ = 0x000055C0; 1405 param->madj_max = 76; 1406 param->dll2_finetune_step = 3; 1407 break; 1408 case 552: 1409 ast_moutdwm(ast, 0x1E6E2020, 0x02A1); 1410 param->wodt = 1; 1411 param->rodt = 1; 1412 param->reg_AC1 = 0x43402915; 1413 param->reg_AC2 = 0xFF44E025; 1414 param->reg_DQSIC = 0x00000132; 1415 param->reg_MRS = 0x00000E72; 1416 param->reg_EMRS = 0x00000040; 1417 param->reg_DRV = 0x0000000A; 1418 param->reg_IOZ = 0x00000045; 1419 param->reg_DQIDLY = 0x000000AD; 1420 param->reg_FREQ = 0x000056C0; 1421 param->madj_max = 76; 1422 param->dll2_finetune_step = 3; 1423 break; 1424 case 576: 1425 ast_moutdwm(ast, 0x1E6E2020, 0x0140); 1426 param->wodt = 1; 1427 param->rodt = 1; 1428 param->reg_AC1 = 0x43402915; 1429 param->reg_AC2 = 0xFF44E027; 1430 param->reg_DQSIC = 0x0000013F; 1431 param->reg_MRS = 0x00000E72; 1432 param->reg_EMRS = 0x00000004; 1433 param->reg_DRV = 0x000000F5; 1434 param->reg_IOZ = 0x00000045; 1435 param->reg_DQIDLY = 0x000000B3; 1436 param->reg_FREQ = 0x000057C0; 1437 param->madj_max = 76; 1438 param->dll2_finetune_step = 3; 1439 break; 1440 } 1441 1442 switch (param->dram_chipid) { 1443 case AST_DRAM_512Mx16: 1444 param->dram_config = 0x100; 1445 break; 1446 default: 1447 case AST_DRAM_1Gx16: 1448 param->dram_config = 0x121; 1449 break; 1450 case AST_DRAM_2Gx16: 1451 param->dram_config = 0x122; 1452 break; 1453 case AST_DRAM_4Gx16: 1454 param->dram_config = 0x123; 1455 break; 1456 } /* switch size */ 1457 1458 switch (param->vram_size) { 1459 default: 1460 case AST_VIDMEM_SIZE_8M: 1461 param->dram_config |= 0x00; 1462 break; 1463 case AST_VIDMEM_SIZE_16M: 1464 param->dram_config |= 0x04; 1465 break; 1466 case AST_VIDMEM_SIZE_32M: 1467 param->dram_config |= 0x08; 1468 break; 1469 case AST_VIDMEM_SIZE_64M: 1470 param->dram_config |= 0x0c; 1471 break; 1472 } 1473 } 1474 1475 static void ddr2_init(struct ast_private *ast, struct ast2300_dram_param *param) 1476 { 1477 u32 data, data2, retry = 0; 1478 1479 ddr2_init_start: 1480 ast_moutdwm(ast, 0x1E6E0000, 0xFC600309); 1481 ast_moutdwm(ast, 0x1E6E0018, 0x00000100); 1482 ast_moutdwm(ast, 0x1E6E0024, 0x00000000); 1483 ast_moutdwm(ast, 0x1E6E0064, param->reg_MADJ); 1484 ast_moutdwm(ast, 0x1E6E0068, param->reg_SADJ); 1485 udelay(10); 1486 ast_moutdwm(ast, 0x1E6E0064, param->reg_MADJ | 0xC0000); 1487 udelay(10); 1488 1489 ast_moutdwm(ast, 0x1E6E0004, param->dram_config); 1490 ast_moutdwm(ast, 0x1E6E0008, 0x90040f); 1491 ast_moutdwm(ast, 0x1E6E0010, param->reg_AC1); 1492 ast_moutdwm(ast, 0x1E6E0014, param->reg_AC2); 1493 ast_moutdwm(ast, 0x1E6E0020, param->reg_DQSIC); 1494 ast_moutdwm(ast, 0x1E6E0080, 0x00000000); 1495 ast_moutdwm(ast, 0x1E6E0084, 0x00000000); 1496 ast_moutdwm(ast, 0x1E6E0088, param->reg_DQIDLY); 1497 ast_moutdwm(ast, 0x1E6E0018, 0x4000A130); 1498 ast_moutdwm(ast, 0x1E6E0018, 0x00002330); 1499 ast_moutdwm(ast, 0x1E6E0038, 0x00000000); 1500 ast_moutdwm(ast, 0x1E6E0040, 0xFF808000); 1501 ast_moutdwm(ast, 0x1E6E0044, 0x88848466); 1502 ast_moutdwm(ast, 0x1E6E0048, 0x44440008); 1503 ast_moutdwm(ast, 0x1E6E004C, 0x00000000); 1504 ast_moutdwm(ast, 0x1E6E0050, 0x80000000); 1505 ast_moutdwm(ast, 0x1E6E0050, 0x00000000); 1506 ast_moutdwm(ast, 0x1E6E0054, 0); 1507 ast_moutdwm(ast, 0x1E6E0060, param->reg_DRV); 1508 ast_moutdwm(ast, 0x1E6E006C, param->reg_IOZ); 1509 ast_moutdwm(ast, 0x1E6E0070, 0x00000000); 1510 ast_moutdwm(ast, 0x1E6E0074, 0x00000000); 1511 ast_moutdwm(ast, 0x1E6E0078, 0x00000000); 1512 ast_moutdwm(ast, 0x1E6E007C, 0x00000000); 1513 1514 /* Wait MCLK2X lock to MCLK */ 1515 do { 1516 data = ast_mindwm(ast, 0x1E6E001C); 1517 } while (!(data & 0x08000000)); 1518 data = ast_mindwm(ast, 0x1E6E001C); 1519 data = (data >> 8) & 0xff; 1520 while ((data & 0x08) || ((data & 0x7) < 2) || (data < 4)) { 1521 data2 = (ast_mindwm(ast, 0x1E6E0064) & 0xfff3ffff) + 4; 1522 if ((data2 & 0xff) > param->madj_max) { 1523 break; 1524 } 1525 ast_moutdwm(ast, 0x1E6E0064, data2); 1526 if (data2 & 0x00100000) { 1527 data2 = ((data2 & 0xff) >> 3) + 3; 1528 } else { 1529 data2 = ((data2 & 0xff) >> 2) + 5; 1530 } 1531 data = ast_mindwm(ast, 0x1E6E0068) & 0xffff00ff; 1532 data2 += data & 0xff; 1533 data = data | (data2 << 8); 1534 ast_moutdwm(ast, 0x1E6E0068, data); 1535 udelay(10); 1536 ast_moutdwm(ast, 0x1E6E0064, ast_mindwm(ast, 0x1E6E0064) | 0xC0000); 1537 udelay(10); 1538 data = ast_mindwm(ast, 0x1E6E0018) & 0xfffff1ff; 1539 ast_moutdwm(ast, 0x1E6E0018, data); 1540 data = data | 0x200; 1541 ast_moutdwm(ast, 0x1E6E0018, data); 1542 do { 1543 data = ast_mindwm(ast, 0x1E6E001C); 1544 } while (!(data & 0x08000000)); 1545 1546 data = ast_mindwm(ast, 0x1E6E001C); 1547 data = (data >> 8) & 0xff; 1548 } 1549 ast_moutdwm(ast, 0x1E720058, ast_mindwm(ast, 0x1E6E0008) & 0xffff); 1550 data = ast_mindwm(ast, 0x1E6E0018) | 0xC00; 1551 ast_moutdwm(ast, 0x1E6E0018, data); 1552 1553 ast_moutdwm(ast, 0x1E6E0034, 0x00000001); 1554 ast_moutdwm(ast, 0x1E6E000C, 0x00000000); 1555 udelay(50); 1556 /* Mode Register Setting */ 1557 ast_moutdwm(ast, 0x1E6E002C, param->reg_MRS | 0x100); 1558 ast_moutdwm(ast, 0x1E6E0030, param->reg_EMRS); 1559 ast_moutdwm(ast, 0x1E6E0028, 0x00000005); 1560 ast_moutdwm(ast, 0x1E6E0028, 0x00000007); 1561 ast_moutdwm(ast, 0x1E6E0028, 0x00000003); 1562 ast_moutdwm(ast, 0x1E6E0028, 0x00000001); 1563 1564 ast_moutdwm(ast, 0x1E6E000C, 0x00005C08); 1565 ast_moutdwm(ast, 0x1E6E002C, param->reg_MRS); 1566 ast_moutdwm(ast, 0x1E6E0028, 0x00000001); 1567 ast_moutdwm(ast, 0x1E6E0030, param->reg_EMRS | 0x380); 1568 ast_moutdwm(ast, 0x1E6E0028, 0x00000003); 1569 ast_moutdwm(ast, 0x1E6E0030, param->reg_EMRS); 1570 ast_moutdwm(ast, 0x1E6E0028, 0x00000003); 1571 1572 ast_moutdwm(ast, 0x1E6E000C, 0x7FFF5C01); 1573 data = 0; 1574 if (param->wodt) { 1575 data = 0x500; 1576 } 1577 if (param->rodt) { 1578 data = data | 0x3000 | ((param->reg_AC2 & 0x60000) >> 3); 1579 } 1580 ast_moutdwm(ast, 0x1E6E0034, data | 0x3); 1581 ast_moutdwm(ast, 0x1E6E0120, param->reg_FREQ); 1582 1583 /* Calibrate the DQSI delay */ 1584 if ((cbr_dll2(ast, param) == false) && (retry++ < 10)) 1585 goto ddr2_init_start; 1586 1587 /* ECC Memory Initialization */ 1588 #ifdef ECC 1589 ast_moutdwm(ast, 0x1E6E007C, 0x00000000); 1590 ast_moutdwm(ast, 0x1E6E0070, 0x221); 1591 do { 1592 data = ast_mindwm(ast, 0x1E6E0070); 1593 } while (!(data & 0x00001000)); 1594 ast_moutdwm(ast, 0x1E6E0070, 0x00000000); 1595 ast_moutdwm(ast, 0x1E6E0050, 0x80000000); 1596 ast_moutdwm(ast, 0x1E6E0050, 0x00000000); 1597 #endif 1598 1599 } 1600 1601 static void ast_post_chip_2300(struct drm_device *dev) 1602 { 1603 struct ast_private *ast = to_ast_private(dev); 1604 struct ast2300_dram_param param; 1605 u32 temp; 1606 u8 reg; 1607 1608 reg = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xd0, 0xff); 1609 if ((reg & 0x80) == 0) {/* vga only */ 1610 ast_write32(ast, 0xf004, 0x1e6e0000); 1611 ast_write32(ast, 0xf000, 0x1); 1612 ast_write32(ast, 0x12000, 0x1688a8a8); 1613 do { 1614 ; 1615 } while (ast_read32(ast, 0x12000) != 0x1); 1616 1617 ast_write32(ast, 0x10000, 0xfc600309); 1618 do { 1619 ; 1620 } while (ast_read32(ast, 0x10000) != 0x1); 1621 1622 /* Slow down CPU/AHB CLK in VGA only mode */ 1623 temp = ast_read32(ast, 0x12008); 1624 temp |= 0x73; 1625 ast_write32(ast, 0x12008, temp); 1626 1627 param.dram_freq = 396; 1628 param.dram_type = AST_DDR3; 1629 temp = ast_mindwm(ast, 0x1e6e2070); 1630 if (temp & 0x01000000) 1631 param.dram_type = AST_DDR2; 1632 switch (temp & 0x18000000) { 1633 case 0: 1634 param.dram_chipid = AST_DRAM_512Mx16; 1635 break; 1636 default: 1637 case 0x08000000: 1638 param.dram_chipid = AST_DRAM_1Gx16; 1639 break; 1640 case 0x10000000: 1641 param.dram_chipid = AST_DRAM_2Gx16; 1642 break; 1643 case 0x18000000: 1644 param.dram_chipid = AST_DRAM_4Gx16; 1645 break; 1646 } 1647 switch (temp & 0x0c) { 1648 default: 1649 case 0x00: 1650 param.vram_size = AST_VIDMEM_SIZE_8M; 1651 break; 1652 1653 case 0x04: 1654 param.vram_size = AST_VIDMEM_SIZE_16M; 1655 break; 1656 1657 case 0x08: 1658 param.vram_size = AST_VIDMEM_SIZE_32M; 1659 break; 1660 1661 case 0x0c: 1662 param.vram_size = AST_VIDMEM_SIZE_64M; 1663 break; 1664 } 1665 1666 if (param.dram_type == AST_DDR3) { 1667 get_ddr3_info(ast, ¶m); 1668 ddr3_init(ast, ¶m); 1669 } else { 1670 get_ddr2_info(ast, ¶m); 1671 ddr2_init(ast, ¶m); 1672 } 1673 1674 temp = ast_mindwm(ast, 0x1e6e2040); 1675 ast_moutdwm(ast, 0x1e6e2040, temp | 0x40); 1676 } 1677 1678 /* wait ready */ 1679 do { 1680 reg = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xd0, 0xff); 1681 } while ((reg & 0x40) == 0); 1682 } 1683 1684 static bool cbr_test_2500(struct ast_private *ast) 1685 { 1686 ast_moutdwm(ast, 0x1E6E0074, 0x0000FFFF); 1687 ast_moutdwm(ast, 0x1E6E007C, 0xFF00FF00); 1688 if (!mmc_test_burst(ast, 0)) 1689 return false; 1690 if (!mmc_test_single_2500(ast, 0)) 1691 return false; 1692 return true; 1693 } 1694 1695 static bool ddr_test_2500(struct ast_private *ast) 1696 { 1697 ast_moutdwm(ast, 0x1E6E0074, 0x0000FFFF); 1698 ast_moutdwm(ast, 0x1E6E007C, 0xFF00FF00); 1699 if (!mmc_test_burst(ast, 0)) 1700 return false; 1701 if (!mmc_test_burst(ast, 1)) 1702 return false; 1703 if (!mmc_test_burst(ast, 2)) 1704 return false; 1705 if (!mmc_test_burst(ast, 3)) 1706 return false; 1707 if (!mmc_test_single_2500(ast, 0)) 1708 return false; 1709 return true; 1710 } 1711 1712 static void ddr_init_common_2500(struct ast_private *ast) 1713 { 1714 ast_moutdwm(ast, 0x1E6E0034, 0x00020080); 1715 ast_moutdwm(ast, 0x1E6E0008, 0x2003000F); 1716 ast_moutdwm(ast, 0x1E6E0038, 0x00000FFF); 1717 ast_moutdwm(ast, 0x1E6E0040, 0x88448844); 1718 ast_moutdwm(ast, 0x1E6E0044, 0x24422288); 1719 ast_moutdwm(ast, 0x1E6E0048, 0x22222222); 1720 ast_moutdwm(ast, 0x1E6E004C, 0x22222222); 1721 ast_moutdwm(ast, 0x1E6E0050, 0x80000000); 1722 ast_moutdwm(ast, 0x1E6E0208, 0x00000000); 1723 ast_moutdwm(ast, 0x1E6E0218, 0x00000000); 1724 ast_moutdwm(ast, 0x1E6E0220, 0x00000000); 1725 ast_moutdwm(ast, 0x1E6E0228, 0x00000000); 1726 ast_moutdwm(ast, 0x1E6E0230, 0x00000000); 1727 ast_moutdwm(ast, 0x1E6E02A8, 0x00000000); 1728 ast_moutdwm(ast, 0x1E6E02B0, 0x00000000); 1729 ast_moutdwm(ast, 0x1E6E0240, 0x86000000); 1730 ast_moutdwm(ast, 0x1E6E0244, 0x00008600); 1731 ast_moutdwm(ast, 0x1E6E0248, 0x80000000); 1732 ast_moutdwm(ast, 0x1E6E024C, 0x80808080); 1733 } 1734 1735 static void ddr_phy_init_2500(struct ast_private *ast) 1736 { 1737 u32 data, pass, timecnt; 1738 1739 pass = 0; 1740 ast_moutdwm(ast, 0x1E6E0060, 0x00000005); 1741 while (!pass) { 1742 for (timecnt = 0; timecnt < TIMEOUT; timecnt++) { 1743 data = ast_mindwm(ast, 0x1E6E0060) & 0x1; 1744 if (!data) 1745 break; 1746 } 1747 if (timecnt != TIMEOUT) { 1748 data = ast_mindwm(ast, 0x1E6E0300) & 0x000A0000; 1749 if (!data) 1750 pass = 1; 1751 } 1752 if (!pass) { 1753 ast_moutdwm(ast, 0x1E6E0060, 0x00000000); 1754 udelay(10); /* delay 10 us */ 1755 ast_moutdwm(ast, 0x1E6E0060, 0x00000005); 1756 } 1757 } 1758 1759 ast_moutdwm(ast, 0x1E6E0060, 0x00000006); 1760 } 1761 1762 /* 1763 * Check DRAM Size 1764 * 1Gb : 0x80000000 ~ 0x87FFFFFF 1765 * 2Gb : 0x80000000 ~ 0x8FFFFFFF 1766 * 4Gb : 0x80000000 ~ 0x9FFFFFFF 1767 * 8Gb : 0x80000000 ~ 0xBFFFFFFF 1768 */ 1769 static void check_dram_size_2500(struct ast_private *ast, u32 tRFC) 1770 { 1771 u32 reg_04, reg_14; 1772 1773 reg_04 = ast_mindwm(ast, 0x1E6E0004) & 0xfffffffc; 1774 reg_14 = ast_mindwm(ast, 0x1E6E0014) & 0xffffff00; 1775 1776 ast_moutdwm(ast, 0xA0100000, 0x41424344); 1777 ast_moutdwm(ast, 0x90100000, 0x35363738); 1778 ast_moutdwm(ast, 0x88100000, 0x292A2B2C); 1779 ast_moutdwm(ast, 0x80100000, 0x1D1E1F10); 1780 1781 /* Check 8Gbit */ 1782 if (ast_mindwm(ast, 0xA0100000) == 0x41424344) { 1783 reg_04 |= 0x03; 1784 reg_14 |= (tRFC >> 24) & 0xFF; 1785 /* Check 4Gbit */ 1786 } else if (ast_mindwm(ast, 0x90100000) == 0x35363738) { 1787 reg_04 |= 0x02; 1788 reg_14 |= (tRFC >> 16) & 0xFF; 1789 /* Check 2Gbit */ 1790 } else if (ast_mindwm(ast, 0x88100000) == 0x292A2B2C) { 1791 reg_04 |= 0x01; 1792 reg_14 |= (tRFC >> 8) & 0xFF; 1793 } else { 1794 reg_14 |= tRFC & 0xFF; 1795 } 1796 ast_moutdwm(ast, 0x1E6E0004, reg_04); 1797 ast_moutdwm(ast, 0x1E6E0014, reg_14); 1798 } 1799 1800 static void enable_cache_2500(struct ast_private *ast) 1801 { 1802 u32 reg_04, data; 1803 1804 reg_04 = ast_mindwm(ast, 0x1E6E0004); 1805 ast_moutdwm(ast, 0x1E6E0004, reg_04 | 0x1000); 1806 1807 do 1808 data = ast_mindwm(ast, 0x1E6E0004); 1809 while (!(data & 0x80000)); 1810 ast_moutdwm(ast, 0x1E6E0004, reg_04 | 0x400); 1811 } 1812 1813 static void set_mpll_2500(struct ast_private *ast) 1814 { 1815 u32 addr, data, param; 1816 1817 /* Reset MMC */ 1818 ast_moutdwm(ast, 0x1E6E0000, 0xFC600309); 1819 ast_moutdwm(ast, 0x1E6E0034, 0x00020080); 1820 for (addr = 0x1e6e0004; addr < 0x1e6e0090;) { 1821 ast_moutdwm(ast, addr, 0x0); 1822 addr += 4; 1823 } 1824 ast_moutdwm(ast, 0x1E6E0034, 0x00020000); 1825 1826 ast_moutdwm(ast, 0x1E6E2000, 0x1688A8A8); 1827 data = ast_mindwm(ast, 0x1E6E2070) & 0x00800000; 1828 if (data) { 1829 /* CLKIN = 25MHz */ 1830 param = 0x930023E0; 1831 ast_moutdwm(ast, 0x1E6E2160, 0x00011320); 1832 } else { 1833 /* CLKIN = 24MHz */ 1834 param = 0x93002400; 1835 } 1836 ast_moutdwm(ast, 0x1E6E2020, param); 1837 udelay(100); 1838 } 1839 1840 static void reset_mmc_2500(struct ast_private *ast) 1841 { 1842 ast_moutdwm(ast, 0x1E78505C, 0x00000004); 1843 ast_moutdwm(ast, 0x1E785044, 0x00000001); 1844 ast_moutdwm(ast, 0x1E785048, 0x00004755); 1845 ast_moutdwm(ast, 0x1E78504C, 0x00000013); 1846 mdelay(100); 1847 ast_moutdwm(ast, 0x1E785054, 0x00000077); 1848 ast_moutdwm(ast, 0x1E6E0000, 0xFC600309); 1849 } 1850 1851 static void ddr3_init_2500(struct ast_private *ast, const u32 *ddr_table) 1852 { 1853 1854 ast_moutdwm(ast, 0x1E6E0004, 0x00000303); 1855 ast_moutdwm(ast, 0x1E6E0010, ddr_table[REGIDX_010]); 1856 ast_moutdwm(ast, 0x1E6E0014, ddr_table[REGIDX_014]); 1857 ast_moutdwm(ast, 0x1E6E0018, ddr_table[REGIDX_018]); 1858 ast_moutdwm(ast, 0x1E6E0020, ddr_table[REGIDX_020]); /* MODEREG4/6 */ 1859 ast_moutdwm(ast, 0x1E6E0024, ddr_table[REGIDX_024]); /* MODEREG5 */ 1860 ast_moutdwm(ast, 0x1E6E002C, ddr_table[REGIDX_02C] | 0x100); /* MODEREG0/2 */ 1861 ast_moutdwm(ast, 0x1E6E0030, ddr_table[REGIDX_030]); /* MODEREG1/3 */ 1862 1863 /* DDR PHY Setting */ 1864 ast_moutdwm(ast, 0x1E6E0200, 0x02492AAE); 1865 ast_moutdwm(ast, 0x1E6E0204, 0x00001001); 1866 ast_moutdwm(ast, 0x1E6E020C, 0x55E00B0B); 1867 ast_moutdwm(ast, 0x1E6E0210, 0x20000000); 1868 ast_moutdwm(ast, 0x1E6E0214, ddr_table[REGIDX_214]); 1869 ast_moutdwm(ast, 0x1E6E02E0, ddr_table[REGIDX_2E0]); 1870 ast_moutdwm(ast, 0x1E6E02E4, ddr_table[REGIDX_2E4]); 1871 ast_moutdwm(ast, 0x1E6E02E8, ddr_table[REGIDX_2E8]); 1872 ast_moutdwm(ast, 0x1E6E02EC, ddr_table[REGIDX_2EC]); 1873 ast_moutdwm(ast, 0x1E6E02F0, ddr_table[REGIDX_2F0]); 1874 ast_moutdwm(ast, 0x1E6E02F4, ddr_table[REGIDX_2F4]); 1875 ast_moutdwm(ast, 0x1E6E02F8, ddr_table[REGIDX_2F8]); 1876 ast_moutdwm(ast, 0x1E6E0290, 0x00100008); 1877 ast_moutdwm(ast, 0x1E6E02C0, 0x00000006); 1878 1879 /* Controller Setting */ 1880 ast_moutdwm(ast, 0x1E6E0034, 0x00020091); 1881 1882 /* Wait DDR PHY init done */ 1883 ddr_phy_init_2500(ast); 1884 1885 ast_moutdwm(ast, 0x1E6E0120, ddr_table[REGIDX_PLL]); 1886 ast_moutdwm(ast, 0x1E6E000C, 0x42AA5C81); 1887 ast_moutdwm(ast, 0x1E6E0034, 0x0001AF93); 1888 1889 check_dram_size_2500(ast, ddr_table[REGIDX_RFC]); 1890 enable_cache_2500(ast); 1891 ast_moutdwm(ast, 0x1E6E001C, 0x00000008); 1892 ast_moutdwm(ast, 0x1E6E0038, 0xFFFFFF00); 1893 } 1894 1895 static void ddr4_init_2500(struct ast_private *ast, const u32 *ddr_table) 1896 { 1897 u32 data, data2, pass, retrycnt; 1898 u32 ddr_vref, phy_vref; 1899 u32 min_ddr_vref = 0, min_phy_vref = 0; 1900 u32 max_ddr_vref = 0, max_phy_vref = 0; 1901 1902 ast_moutdwm(ast, 0x1E6E0004, 0x00000313); 1903 ast_moutdwm(ast, 0x1E6E0010, ddr_table[REGIDX_010]); 1904 ast_moutdwm(ast, 0x1E6E0014, ddr_table[REGIDX_014]); 1905 ast_moutdwm(ast, 0x1E6E0018, ddr_table[REGIDX_018]); 1906 ast_moutdwm(ast, 0x1E6E0020, ddr_table[REGIDX_020]); /* MODEREG4/6 */ 1907 ast_moutdwm(ast, 0x1E6E0024, ddr_table[REGIDX_024]); /* MODEREG5 */ 1908 ast_moutdwm(ast, 0x1E6E002C, ddr_table[REGIDX_02C] | 0x100); /* MODEREG0/2 */ 1909 ast_moutdwm(ast, 0x1E6E0030, ddr_table[REGIDX_030]); /* MODEREG1/3 */ 1910 1911 /* DDR PHY Setting */ 1912 ast_moutdwm(ast, 0x1E6E0200, 0x42492AAE); 1913 ast_moutdwm(ast, 0x1E6E0204, 0x09002000); 1914 ast_moutdwm(ast, 0x1E6E020C, 0x55E00B0B); 1915 ast_moutdwm(ast, 0x1E6E0210, 0x20000000); 1916 ast_moutdwm(ast, 0x1E6E0214, ddr_table[REGIDX_214]); 1917 ast_moutdwm(ast, 0x1E6E02E0, ddr_table[REGIDX_2E0]); 1918 ast_moutdwm(ast, 0x1E6E02E4, ddr_table[REGIDX_2E4]); 1919 ast_moutdwm(ast, 0x1E6E02E8, ddr_table[REGIDX_2E8]); 1920 ast_moutdwm(ast, 0x1E6E02EC, ddr_table[REGIDX_2EC]); 1921 ast_moutdwm(ast, 0x1E6E02F0, ddr_table[REGIDX_2F0]); 1922 ast_moutdwm(ast, 0x1E6E02F4, ddr_table[REGIDX_2F4]); 1923 ast_moutdwm(ast, 0x1E6E02F8, ddr_table[REGIDX_2F8]); 1924 ast_moutdwm(ast, 0x1E6E0290, 0x00100008); 1925 ast_moutdwm(ast, 0x1E6E02C4, 0x3C183C3C); 1926 ast_moutdwm(ast, 0x1E6E02C8, 0x00631E0E); 1927 1928 /* Controller Setting */ 1929 ast_moutdwm(ast, 0x1E6E0034, 0x0001A991); 1930 1931 /* Train PHY Vref first */ 1932 pass = 0; 1933 1934 for (retrycnt = 0; retrycnt < 4 && pass == 0; retrycnt++) { 1935 max_phy_vref = 0x0; 1936 pass = 0; 1937 ast_moutdwm(ast, 0x1E6E02C0, 0x00001C06); 1938 for (phy_vref = 0x40; phy_vref < 0x80; phy_vref++) { 1939 ast_moutdwm(ast, 0x1E6E000C, 0x00000000); 1940 ast_moutdwm(ast, 0x1E6E0060, 0x00000000); 1941 ast_moutdwm(ast, 0x1E6E02CC, phy_vref | (phy_vref << 8)); 1942 /* Fire DFI Init */ 1943 ddr_phy_init_2500(ast); 1944 ast_moutdwm(ast, 0x1E6E000C, 0x00005C01); 1945 if (cbr_test_2500(ast)) { 1946 pass++; 1947 data = ast_mindwm(ast, 0x1E6E03D0); 1948 data2 = data >> 8; 1949 data = data & 0xff; 1950 if (data > data2) 1951 data = data2; 1952 if (max_phy_vref < data) { 1953 max_phy_vref = data; 1954 min_phy_vref = phy_vref; 1955 } 1956 } else if (pass > 0) 1957 break; 1958 } 1959 } 1960 ast_moutdwm(ast, 0x1E6E02CC, min_phy_vref | (min_phy_vref << 8)); 1961 1962 /* Train DDR Vref next */ 1963 pass = 0; 1964 1965 for (retrycnt = 0; retrycnt < 4 && pass == 0; retrycnt++) { 1966 min_ddr_vref = 0xFF; 1967 max_ddr_vref = 0x0; 1968 pass = 0; 1969 for (ddr_vref = 0x00; ddr_vref < 0x40; ddr_vref++) { 1970 ast_moutdwm(ast, 0x1E6E000C, 0x00000000); 1971 ast_moutdwm(ast, 0x1E6E0060, 0x00000000); 1972 ast_moutdwm(ast, 0x1E6E02C0, 0x00000006 | (ddr_vref << 8)); 1973 /* Fire DFI Init */ 1974 ddr_phy_init_2500(ast); 1975 ast_moutdwm(ast, 0x1E6E000C, 0x00005C01); 1976 if (cbr_test_2500(ast)) { 1977 pass++; 1978 if (min_ddr_vref > ddr_vref) 1979 min_ddr_vref = ddr_vref; 1980 if (max_ddr_vref < ddr_vref) 1981 max_ddr_vref = ddr_vref; 1982 } else if (pass != 0) 1983 break; 1984 } 1985 } 1986 1987 ast_moutdwm(ast, 0x1E6E000C, 0x00000000); 1988 ast_moutdwm(ast, 0x1E6E0060, 0x00000000); 1989 ddr_vref = (min_ddr_vref + max_ddr_vref + 1) >> 1; 1990 ast_moutdwm(ast, 0x1E6E02C0, 0x00000006 | (ddr_vref << 8)); 1991 1992 /* Wait DDR PHY init done */ 1993 ddr_phy_init_2500(ast); 1994 1995 ast_moutdwm(ast, 0x1E6E0120, ddr_table[REGIDX_PLL]); 1996 ast_moutdwm(ast, 0x1E6E000C, 0x42AA5C81); 1997 ast_moutdwm(ast, 0x1E6E0034, 0x0001AF93); 1998 1999 check_dram_size_2500(ast, ddr_table[REGIDX_RFC]); 2000 enable_cache_2500(ast); 2001 ast_moutdwm(ast, 0x1E6E001C, 0x00000008); 2002 ast_moutdwm(ast, 0x1E6E0038, 0xFFFFFF00); 2003 } 2004 2005 static bool ast_dram_init_2500(struct ast_private *ast) 2006 { 2007 u32 data; 2008 u32 max_tries = 5; 2009 2010 do { 2011 if (max_tries-- == 0) 2012 return false; 2013 set_mpll_2500(ast); 2014 reset_mmc_2500(ast); 2015 ddr_init_common_2500(ast); 2016 2017 data = ast_mindwm(ast, 0x1E6E2070); 2018 if (data & 0x01000000) 2019 ddr4_init_2500(ast, ast2500_ddr4_1600_timing_table); 2020 else 2021 ddr3_init_2500(ast, ast2500_ddr3_1600_timing_table); 2022 } while (!ddr_test_2500(ast)); 2023 2024 ast_moutdwm(ast, 0x1E6E2040, ast_mindwm(ast, 0x1E6E2040) | 0x41); 2025 2026 /* Patch code */ 2027 data = ast_mindwm(ast, 0x1E6E200C) & 0xF9FFFFFF; 2028 ast_moutdwm(ast, 0x1E6E200C, data | 0x10000000); 2029 2030 return true; 2031 } 2032 2033 void ast_patch_ahb_2500(struct ast_private *ast) 2034 { 2035 u32 data; 2036 2037 /* Clear bus lock condition */ 2038 ast_moutdwm(ast, 0x1e600000, 0xAEED1A03); 2039 ast_moutdwm(ast, 0x1e600084, 0x00010000); 2040 ast_moutdwm(ast, 0x1e600088, 0x00000000); 2041 ast_moutdwm(ast, 0x1e6e2000, 0x1688A8A8); 2042 data = ast_mindwm(ast, 0x1e6e2070); 2043 if (data & 0x08000000) { /* check fast reset */ 2044 /* 2045 * If "Fast restet" is enabled for ARM-ICE debugger, 2046 * then WDT needs to enable, that 2047 * WDT04 is WDT#1 Reload reg. 2048 * WDT08 is WDT#1 counter restart reg to avoid system deadlock 2049 * WDT0C is WDT#1 control reg 2050 * [6:5]:= 01:Full chip 2051 * [4]:= 1:1MHz clock source 2052 * [1]:= 1:WDT will be cleeared and disabled after timeout occurs 2053 * [0]:= 1:WDT enable 2054 */ 2055 ast_moutdwm(ast, 0x1E785004, 0x00000010); 2056 ast_moutdwm(ast, 0x1E785008, 0x00004755); 2057 ast_moutdwm(ast, 0x1E78500c, 0x00000033); 2058 udelay(1000); 2059 } 2060 do { 2061 ast_moutdwm(ast, 0x1e6e2000, 0x1688A8A8); 2062 data = ast_mindwm(ast, 0x1e6e2000); 2063 } while (data != 1); 2064 ast_moutdwm(ast, 0x1e6e207c, 0x08000000); /* clear fast reset */ 2065 } 2066 2067 void ast_post_chip_2500(struct drm_device *dev) 2068 { 2069 struct ast_private *ast = to_ast_private(dev); 2070 u32 temp; 2071 u8 reg; 2072 2073 reg = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xd0, 0xff); 2074 if ((reg & AST_VRAM_INIT_STATUS_MASK) == 0) {/* vga only */ 2075 /* Clear bus lock condition */ 2076 ast_patch_ahb_2500(ast); 2077 2078 /* Disable watchdog */ 2079 ast_moutdwm(ast, 0x1E78502C, 0x00000000); 2080 ast_moutdwm(ast, 0x1E78504C, 0x00000000); 2081 2082 /* 2083 * Reset USB port to patch USB unknown device issue 2084 * SCU90 is Multi-function Pin Control #5 2085 * [29]:= 1:Enable USB2.0 Host port#1 (that the mutually shared USB2.0 Hub 2086 * port). 2087 * SCU94 is Multi-function Pin Control #6 2088 * [14:13]:= 1x:USB2.0 Host2 controller 2089 * SCU70 is Hardware Strap reg 2090 * [23]:= 1:CLKIN is 25MHz and USBCK1 = 24/48 MHz (determined by 2091 * [18]: 0(24)/1(48) MHz) 2092 * SCU7C is Write clear reg to SCU70 2093 * [23]:= write 1 and then SCU70[23] will be clear as 0b. 2094 */ 2095 ast_moutdwm(ast, 0x1E6E2090, 0x20000000); 2096 ast_moutdwm(ast, 0x1E6E2094, 0x00004000); 2097 if (ast_mindwm(ast, 0x1E6E2070) & 0x00800000) { 2098 ast_moutdwm(ast, 0x1E6E207C, 0x00800000); 2099 mdelay(100); 2100 ast_moutdwm(ast, 0x1E6E2070, 0x00800000); 2101 } 2102 /* Modify eSPI reset pin */ 2103 temp = ast_mindwm(ast, 0x1E6E2070); 2104 if (temp & 0x02000000) 2105 ast_moutdwm(ast, 0x1E6E207C, 0x00004000); 2106 2107 /* Slow down CPU/AHB CLK in VGA only mode */ 2108 temp = ast_read32(ast, 0x12008); 2109 temp |= 0x73; 2110 ast_write32(ast, 0x12008, temp); 2111 2112 if (!ast_dram_init_2500(ast)) 2113 drm_err(dev, "DRAM init failed !\n"); 2114 2115 temp = ast_mindwm(ast, 0x1e6e2040); 2116 ast_moutdwm(ast, 0x1e6e2040, temp | 0x40); 2117 } 2118 2119 /* wait ready */ 2120 do { 2121 reg = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xd0, 0xff); 2122 } while ((reg & 0x40) == 0); 2123 } 2124