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treewide: remove redundant IS_ERR() before error code check
[linux/fpc-iii.git] / drivers / gpu / drm / ast / ast_post.c
blob2d1b186197432ea42be84d55e0472dde950ef6cf
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 = dev->dev_private;
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 = dev->dev_private;
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 = dev->dev_private;
59 u8 ch;
60
61 if (ast->chip == AST1180) {
62 /* TODO 1180 */
63 } else {
64 ch = ast_io_read8(ast, AST_IO_VGA_ENABLE_PORT);
65 return !!(ch & 0x01);
66 }
67 return false;
68 }
69
70 static const u8 extreginfo[] = { 0x0f, 0x04, 0x1c, 0xff };
71 static const u8 extreginfo_ast2300a0[] = { 0x0f, 0x04, 0x1c, 0xff };
72 static const u8 extreginfo_ast2300[] = { 0x0f, 0x04, 0x1f, 0xff };
73
74 static void
75 ast_set_def_ext_reg(struct drm_device *dev)
76 {
77 struct ast_private *ast = dev->dev_private;
78 u8 i, index, reg;
79 const u8 *ext_reg_info;
80
81 /* reset scratch */
82 for (i = 0x81; i <= 0x9f; i++)
83 ast_set_index_reg(ast, AST_IO_CRTC_PORT, i, 0x00);
84
85 if (ast->chip == AST2300 || ast->chip == AST2400 ||
86 ast->chip == AST2500) {
87 if (dev->pdev->revision >= 0x20)
88 ext_reg_info = extreginfo_ast2300;
89 else
90 ext_reg_info = extreginfo_ast2300a0;
91 } else
92 ext_reg_info = extreginfo;
93
94 index = 0xa0;
95 while (*ext_reg_info != 0xff) {
96 ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, index, 0x00, *ext_reg_info);
97 index++;
98 ext_reg_info++;
99 }
100
101 /* disable standard IO/MEM decode if secondary */
102 /* ast_set_index_reg-mask(ast, AST_IO_CRTC_PORT, 0xa1, 0xff, 0x3); */
103
104 /* Set Ext. Default */
105 ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x8c, 0x00, 0x01);
106 ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x00, 0x00);
107
108 /* Enable RAMDAC for A1 */
109 reg = 0x04;
110 if (ast->chip == AST2300 || ast->chip == AST2400 ||
111 ast->chip == AST2500)
112 reg |= 0x20;
113 ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb6, 0xff, reg);
114 }
115
116 u32 ast_mindwm(struct ast_private *ast, u32 r)
117 {
118 uint32_t data;
119
120 ast_write32(ast, 0xf004, r & 0xffff0000);
121 ast_write32(ast, 0xf000, 0x1);
122
123 do {
124 data = ast_read32(ast, 0xf004) & 0xffff0000;
125 } while (data != (r & 0xffff0000));
126 return ast_read32(ast, 0x10000 + (r & 0x0000ffff));
127 }
128
129 void ast_moutdwm(struct ast_private *ast, u32 r, u32 v)
130 {
131 uint32_t data;
132 ast_write32(ast, 0xf004, r & 0xffff0000);
133 ast_write32(ast, 0xf000, 0x1);
134 do {
135 data = ast_read32(ast, 0xf004) & 0xffff0000;
136 } while (data != (r & 0xffff0000));
137 ast_write32(ast, 0x10000 + (r & 0x0000ffff), v);
138 }
139
140 /*
141 * AST2100/2150 DLL CBR Setting
142 */
143 #define CBR_SIZE_AST2150 ((16 << 10) - 1)
144 #define CBR_PASSNUM_AST2150 5
145 #define CBR_THRESHOLD_AST2150 10
146 #define CBR_THRESHOLD2_AST2150 10
147 #define TIMEOUT_AST2150 5000000
148
149 #define CBR_PATNUM_AST2150 8
150
151 static const u32 pattern_AST2150[14] = {
152 0xFF00FF00,
153 0xCC33CC33,
154 0xAA55AA55,
155 0xFFFE0001,
156 0x683501FE,
157 0x0F1929B0,
158 0x2D0B4346,
159 0x60767F02,
160 0x6FBE36A6,
161 0x3A253035,
162 0x3019686D,
163 0x41C6167E,
164 0x620152BF,
165 0x20F050E0
166 };
167
168 static u32 mmctestburst2_ast2150(struct ast_private *ast, u32 datagen)
169 {
170 u32 data, timeout;
171
172 ast_moutdwm(ast, 0x1e6e0070, 0x00000000);
173 ast_moutdwm(ast, 0x1e6e0070, 0x00000001 | (datagen << 3));
174 timeout = 0;
175 do {
176 data = ast_mindwm(ast, 0x1e6e0070) & 0x40;
177 if (++timeout > TIMEOUT_AST2150) {
178 ast_moutdwm(ast, 0x1e6e0070, 0x00000000);
179 return 0xffffffff;
180 }
181 } while (!data);
182 ast_moutdwm(ast, 0x1e6e0070, 0x00000000);
183 ast_moutdwm(ast, 0x1e6e0070, 0x00000003 | (datagen << 3));
184 timeout = 0;
185 do {
186 data = ast_mindwm(ast, 0x1e6e0070) & 0x40;
187 if (++timeout > TIMEOUT_AST2150) {
188 ast_moutdwm(ast, 0x1e6e0070, 0x00000000);
189 return 0xffffffff;
190 }
191 } while (!data);
192 data = (ast_mindwm(ast, 0x1e6e0070) & 0x80) >> 7;
193 ast_moutdwm(ast, 0x1e6e0070, 0x00000000);
194 return data;
195 }
196
197 #if 0 /* unused in DDX driver - here for completeness */
198 static u32 mmctestsingle2_ast2150(struct ast_private *ast, u32 datagen)
199 {
200 u32 data, timeout;
201
202 ast_moutdwm(ast, 0x1e6e0070, 0x00000000);
203 ast_moutdwm(ast, 0x1e6e0070, 0x00000005 | (datagen << 3));
204 timeout = 0;
205 do {
206 data = ast_mindwm(ast, 0x1e6e0070) & 0x40;
207 if (++timeout > TIMEOUT_AST2150) {
208 ast_moutdwm(ast, 0x1e6e0070, 0x00000000);
209 return 0xffffffff;
210 }
211 } while (!data);
212 data = (ast_mindwm(ast, 0x1e6e0070) & 0x80) >> 7;
213 ast_moutdwm(ast, 0x1e6e0070, 0x00000000);
214 return data;
215 }
216 #endif
217
218 static int cbrtest_ast2150(struct ast_private *ast)
219 {
220 int i;
221
222 for (i = 0; i < 8; i++)
223 if (mmctestburst2_ast2150(ast, i))
224 return 0;
225 return 1;
226 }
227
228 static int cbrscan_ast2150(struct ast_private *ast, int busw)
229 {
230 u32 patcnt, loop;
231
232 for (patcnt = 0; patcnt < CBR_PATNUM_AST2150; patcnt++) {
233 ast_moutdwm(ast, 0x1e6e007c, pattern_AST2150[patcnt]);
234 for (loop = 0; loop < CBR_PASSNUM_AST2150; loop++) {
235 if (cbrtest_ast2150(ast))
236 break;
237 }
238 if (loop == CBR_PASSNUM_AST2150)
239 return 0;
240 }
241 return 1;
242 }
243
244
245 static void cbrdlli_ast2150(struct ast_private *ast, int busw)
246 {
247 u32 dll_min[4], dll_max[4], dlli, data, passcnt;
248
249 cbr_start:
250 dll_min[0] = dll_min[1] = dll_min[2] = dll_min[3] = 0xff;
251 dll_max[0] = dll_max[1] = dll_max[2] = dll_max[3] = 0x0;
252 passcnt = 0;
253
254 for (dlli = 0; dlli < 100; dlli++) {
255 ast_moutdwm(ast, 0x1e6e0068, dlli | (dlli << 8) | (dlli << 16) | (dlli << 24));
256 data = cbrscan_ast2150(ast, busw);
257 if (data != 0) {
258 if (data & 0x1) {
259 if (dll_min[0] > dlli)
260 dll_min[0] = dlli;
261 if (dll_max[0] < dlli)
262 dll_max[0] = dlli;
263 }
264 passcnt++;
265 } else if (passcnt >= CBR_THRESHOLD_AST2150)
266 goto cbr_start;
267 }
268 if (dll_max[0] == 0 || (dll_max[0]-dll_min[0]) < CBR_THRESHOLD_AST2150)
269 goto cbr_start;
270
271 dlli = dll_min[0] + (((dll_max[0] - dll_min[0]) * 7) >> 4);
272 ast_moutdwm(ast, 0x1e6e0068, dlli | (dlli << 8) | (dlli << 16) | (dlli << 24));
273 }
274
275
276
277 static void ast_init_dram_reg(struct drm_device *dev)
278 {
279 struct ast_private *ast = dev->dev_private;
280 u8 j;
281 u32 data, temp, i;
282 const struct ast_dramstruct *dram_reg_info;
283
284 j = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xd0, 0xff);
285
286 if ((j & 0x80) == 0) { /* VGA only */
287 if (ast->chip == AST2000) {
288 dram_reg_info = ast2000_dram_table_data;
289 ast_write32(ast, 0xf004, 0x1e6e0000);
290 ast_write32(ast, 0xf000, 0x1);
291 ast_write32(ast, 0x10100, 0xa8);
292
293 do {
294 ;
295 } while (ast_read32(ast, 0x10100) != 0xa8);
296 } else {/* AST2100/1100 */
297 if (ast->chip == AST2100 || ast->chip == 2200)
298 dram_reg_info = ast2100_dram_table_data;
299 else
300 dram_reg_info = ast1100_dram_table_data;
301
302 ast_write32(ast, 0xf004, 0x1e6e0000);
303 ast_write32(ast, 0xf000, 0x1);
304 ast_write32(ast, 0x12000, 0x1688A8A8);
305 do {
306 ;
307 } while (ast_read32(ast, 0x12000) != 0x01);
308
309 ast_write32(ast, 0x10000, 0xfc600309);
310 do {
311 ;
312 } while (ast_read32(ast, 0x10000) != 0x01);
313 }
314
315 while (dram_reg_info->index != 0xffff) {
316 if (dram_reg_info->index == 0xff00) {/* delay fn */
317 for (i = 0; i < 15; i++)
318 udelay(dram_reg_info->data);
319 } else if (dram_reg_info->index == 0x4 && ast->chip != AST2000) {
320 data = dram_reg_info->data;
321 if (ast->dram_type == AST_DRAM_1Gx16)
322 data = 0x00000d89;
323 else if (ast->dram_type == AST_DRAM_1Gx32)
324 data = 0x00000c8d;
325
326 temp = ast_read32(ast, 0x12070);
327 temp &= 0xc;
328 temp <<= 2;
329 ast_write32(ast, 0x10000 + dram_reg_info->index, data | temp);
330 } else
331 ast_write32(ast, 0x10000 + dram_reg_info->index, dram_reg_info->data);
332 dram_reg_info++;
333 }
334
335 /* AST 2100/2150 DRAM calibration */
336 data = ast_read32(ast, 0x10120);
337 if (data == 0x5061) { /* 266Mhz */
338 data = ast_read32(ast, 0x10004);
339 if (data & 0x40)
340 cbrdlli_ast2150(ast, 16); /* 16 bits */
341 else
342 cbrdlli_ast2150(ast, 32); /* 32 bits */
343 }
344
345 switch (ast->chip) {
346 case AST2000:
347 temp = ast_read32(ast, 0x10140);
348 ast_write32(ast, 0x10140, temp | 0x40);
349 break;
350 case AST1100:
351 case AST2100:
352 case AST2200:
353 case AST2150:
354 temp = ast_read32(ast, 0x1200c);
355 ast_write32(ast, 0x1200c, temp & 0xfffffffd);
356 temp = ast_read32(ast, 0x12040);
357 ast_write32(ast, 0x12040, temp | 0x40);
358 break;
359 default:
360 break;
361 }
362 }
363
364 /* wait ready */
365 do {
366 j = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xd0, 0xff);
367 } while ((j & 0x40) == 0);
368 }
369
370 void ast_post_gpu(struct drm_device *dev)
371 {
372 u32 reg;
373 struct ast_private *ast = dev->dev_private;
374
375 pci_read_config_dword(ast->dev->pdev, 0x04, &reg);
376 reg |= 0x3;
377 pci_write_config_dword(ast->dev->pdev, 0x04, reg);
378
379 ast_enable_vga(dev);
380 ast_open_key(ast);
381 ast_enable_mmio(dev);
382 ast_set_def_ext_reg(dev);
383
384 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_type != AST_TX_NONE)
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 = dev->dev_private;
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, &param);
1668 ddr3_init(ast, &param);
1669 } else {
1670 get_ddr2_info(ast, &param);
1671 ddr2_init(ast, &param);
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_post_chip_2500(struct drm_device *dev)
2034 {
2035 struct ast_private *ast = dev->dev_private;
2036 u32 temp;
2037 u8 reg;
2038
2039 reg = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xd0, 0xff);
2040 if ((reg & 0x80) == 0) {/* vga only */
2041 /* Clear bus lock condition */
2042 ast_moutdwm(ast, 0x1e600000, 0xAEED1A03);
2043 ast_moutdwm(ast, 0x1e600084, 0x00010000);
2044 ast_moutdwm(ast, 0x1e600088, 0x00000000);
2045 ast_moutdwm(ast, 0x1e6e2000, 0x1688A8A8);
2046 ast_write32(ast, 0xf004, 0x1e6e0000);
2047 ast_write32(ast, 0xf000, 0x1);
2048 ast_write32(ast, 0x12000, 0x1688a8a8);
2049 while (ast_read32(ast, 0x12000) != 0x1)
2050 ;
2051
2052 ast_write32(ast, 0x10000, 0xfc600309);
2053 while (ast_read32(ast, 0x10000) != 0x1)
2054 ;
2055
2056 /* Slow down CPU/AHB CLK in VGA only mode */
2057 temp = ast_read32(ast, 0x12008);
2058 temp |= 0x73;
2059 ast_write32(ast, 0x12008, temp);
2060
2061 /* Reset USB port to patch USB unknown device issue */
2062 ast_moutdwm(ast, 0x1e6e2090, 0x20000000);
2063 temp = ast_mindwm(ast, 0x1e6e2094);
2064 temp |= 0x00004000;
2065 ast_moutdwm(ast, 0x1e6e2094, temp);
2066 temp = ast_mindwm(ast, 0x1e6e2070);
2067 if (temp & 0x00800000) {
2068 ast_moutdwm(ast, 0x1e6e207c, 0x00800000);
2069 mdelay(100);
2070 ast_moutdwm(ast, 0x1e6e2070, 0x00800000);
2071 }
2072
2073 if (!ast_dram_init_2500(ast))
2074 DRM_ERROR("DRAM init failed !\n");
2075
2076 temp = ast_mindwm(ast, 0x1e6e2040);
2077 ast_moutdwm(ast, 0x1e6e2040, temp | 0x40);
2078 }
2079
2080 /* wait ready */
2081 do {
2082 reg = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xd0, 0xff);
2083 } while ((reg & 0x40) == 0);
2084 }
Linux with added FPC-III support