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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 <drm/drmP.h>
30#include "ast_drv.h"
31
32#include "ast_dram_tables.h"
33
34static void ast_init_dram_2300(struct drm_device *dev);
35
36void ast_enable_vga(struct drm_device *dev)
37{
38 struct ast_private *ast = dev->dev_private;
39
40 ast_io_write8(ast, AST_IO_VGA_ENABLE_PORT, 0x01);
41 ast_io_write8(ast, AST_IO_MISC_PORT_WRITE, 0x01);
42}
43
44void ast_enable_mmio(struct drm_device *dev)
45{
46 struct ast_private *ast = dev->dev_private;
47
48 ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xa1, 0xff, 0x04);
49}
50
51
52bool ast_is_vga_enabled(struct drm_device *dev)
53{
54 struct ast_private *ast = dev->dev_private;
55 u8 ch;
56
57 if (ast->chip == AST1180) {
58 /* TODO 1180 */
59 } else {
60 ch = ast_io_read8(ast, AST_IO_VGA_ENABLE_PORT);
61 if (ch) {
62 ast_open_key(ast);
63 ch = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb6, 0xff);
64 return ch & 0x04;
65 }
66 }
67 return 0;
68}
69
70static const u8 extreginfo[] = { 0x0f, 0x04, 0x1c, 0xff };
71static const u8 extreginfo_ast2300a0[] = { 0x0f, 0x04, 0x1c, 0xff };
72static const u8 extreginfo_ast2300[] = { 0x0f, 0x04, 0x1f, 0xff };
73
74static void
75ast_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 <= 0x8f; i++)
83 ast_set_index_reg(ast, AST_IO_CRTC_PORT, i, 0x00);
84
85 if (ast->chip == AST2300 || ast->chip == AST2400) {
86 if (dev->pdev->revision >= 0x20)
87 ext_reg_info = extreginfo_ast2300;
88 else
89 ext_reg_info = extreginfo_ast2300a0;
90 } else
91 ext_reg_info = extreginfo;
92
93 index = 0xa0;
94 while (*ext_reg_info != 0xff) {
95 ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, index, 0x00, *ext_reg_info);
96 index++;
97 ext_reg_info++;
98 }
99
100 /* disable standard IO/MEM decode if secondary */
101 /* ast_set_index_reg-mask(ast, AST_IO_CRTC_PORT, 0xa1, 0xff, 0x3); */
102
103 /* Set Ext. Default */
104 ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x8c, 0x00, 0x01);
105 ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x00, 0x00);
106
107 /* Enable RAMDAC for A1 */
108 reg = 0x04;
109 if (ast->chip == AST2300 || ast->chip == AST2400)
110 reg |= 0x20;
111 ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb6, 0xff, reg);
112}
113
114u32 ast_mindwm(struct ast_private *ast, u32 r)
115{
116 uint32_t data;
117
118 ast_write32(ast, 0xf004, r & 0xffff0000);
119 ast_write32(ast, 0xf000, 0x1);
120
121 do {
122 data = ast_read32(ast, 0xf004) & 0xffff0000;
123 } while (data != (r & 0xffff0000));
124 return ast_read32(ast, 0x10000 + (r & 0x0000ffff));
125}
126
127void ast_moutdwm(struct ast_private *ast, u32 r, u32 v)
128{
129 uint32_t data;
130 ast_write32(ast, 0xf004, r & 0xffff0000);
131 ast_write32(ast, 0xf000, 0x1);
132 do {
133 data = ast_read32(ast, 0xf004) & 0xffff0000;
134 } while (data != (r & 0xffff0000));
135 ast_write32(ast, 0x10000 + (r & 0x0000ffff), v);
136}
137
138/*
139 * AST2100/2150 DLL CBR Setting
140 */
141#define CBR_SIZE_AST2150 ((16 << 10) - 1)
142#define CBR_PASSNUM_AST2150 5
143#define CBR_THRESHOLD_AST2150 10
144#define CBR_THRESHOLD2_AST2150 10
145#define TIMEOUT_AST2150 5000000
146
147#define CBR_PATNUM_AST2150 8
148
149static const u32 pattern_AST2150[14] = {
150 0xFF00FF00,
151 0xCC33CC33,
152 0xAA55AA55,
153 0xFFFE0001,
154 0x683501FE,
155 0x0F1929B0,
156 0x2D0B4346,
157 0x60767F02,
158 0x6FBE36A6,
159 0x3A253035,
160 0x3019686D,
161 0x41C6167E,
162 0x620152BF,
163 0x20F050E0
164};
165
166static u32 mmctestburst2_ast2150(struct ast_private *ast, u32 datagen)
167{
168 u32 data, timeout;
169
170 ast_moutdwm(ast, 0x1e6e0070, 0x00000000);
171 ast_moutdwm(ast, 0x1e6e0070, 0x00000001 | (datagen << 3));
172 timeout = 0;
173 do {
174 data = ast_mindwm(ast, 0x1e6e0070) & 0x40;
175 if (++timeout > TIMEOUT_AST2150) {
176 ast_moutdwm(ast, 0x1e6e0070, 0x00000000);
177 return 0xffffffff;
178 }
179 } while (!data);
180 ast_moutdwm(ast, 0x1e6e0070, 0x00000000);
181 ast_moutdwm(ast, 0x1e6e0070, 0x00000003 | (datagen << 3));
182 timeout = 0;
183 do {
184 data = ast_mindwm(ast, 0x1e6e0070) & 0x40;
185 if (++timeout > TIMEOUT_AST2150) {
186 ast_moutdwm(ast, 0x1e6e0070, 0x00000000);
187 return 0xffffffff;
188 }
189 } while (!data);
190 data = (ast_mindwm(ast, 0x1e6e0070) & 0x80) >> 7;
191 ast_moutdwm(ast, 0x1e6e0070, 0x00000000);
192 return data;
193}
194
195#if 0 /* unused in DDX driver - here for completeness */
196static u32 mmctestsingle2_ast2150(struct ast_private *ast, u32 datagen)
197{
198 u32 data, timeout;
199
200 ast_moutdwm(ast, 0x1e6e0070, 0x00000000);
201 ast_moutdwm(ast, 0x1e6e0070, 0x00000005 | (datagen << 3));
202 timeout = 0;
203 do {
204 data = ast_mindwm(ast, 0x1e6e0070) & 0x40;
205 if (++timeout > TIMEOUT_AST2150) {
206 ast_moutdwm(ast, 0x1e6e0070, 0x00000000);
207 return 0xffffffff;
208 }
209 } while (!data);
210 data = (ast_mindwm(ast, 0x1e6e0070) & 0x80) >> 7;
211 ast_moutdwm(ast, 0x1e6e0070, 0x00000000);
212 return data;
213}
214#endif
215
216static int cbrtest_ast2150(struct ast_private *ast)
217{
218 int i;
219
220 for (i = 0; i < 8; i++)
221 if (mmctestburst2_ast2150(ast, i))
222 return 0;
223 return 1;
224}
225
226static int cbrscan_ast2150(struct ast_private *ast, int busw)
227{
228 u32 patcnt, loop;
229
230 for (patcnt = 0; patcnt < CBR_PATNUM_AST2150; patcnt++) {
231 ast_moutdwm(ast, 0x1e6e007c, pattern_AST2150[patcnt]);
232 for (loop = 0; loop < CBR_PASSNUM_AST2150; loop++) {
233 if (cbrtest_ast2150(ast))
234 break;
235 }
236 if (loop == CBR_PASSNUM_AST2150)
237 return 0;
238 }
239 return 1;
240}
241
242
243static void cbrdlli_ast2150(struct ast_private *ast, int busw)
244{
245 u32 dll_min[4], dll_max[4], dlli, data, passcnt;
246
247cbr_start:
248 dll_min[0] = dll_min[1] = dll_min[2] = dll_min[3] = 0xff;
249 dll_max[0] = dll_max[1] = dll_max[2] = dll_max[3] = 0x0;
250 passcnt = 0;
251
252 for (dlli = 0; dlli < 100; dlli++) {
253 ast_moutdwm(ast, 0x1e6e0068, dlli | (dlli << 8) | (dlli << 16) | (dlli << 24));
254 data = cbrscan_ast2150(ast, busw);
255 if (data != 0) {
256 if (data & 0x1) {
257 if (dll_min[0] > dlli)
258 dll_min[0] = dlli;
259 if (dll_max[0] < dlli)
260 dll_max[0] = dlli;
261 }
262 passcnt++;
263 } else if (passcnt >= CBR_THRESHOLD_AST2150)
264 goto cbr_start;
265 }
266 if (dll_max[0] == 0 || (dll_max[0]-dll_min[0]) < CBR_THRESHOLD_AST2150)
267 goto cbr_start;
268
269 dlli = dll_min[0] + (((dll_max[0] - dll_min[0]) * 7) >> 4);
270 ast_moutdwm(ast, 0x1e6e0068, dlli | (dlli << 8) | (dlli << 16) | (dlli << 24));
271}
272
273
274
275static void ast_init_dram_reg(struct drm_device *dev)
276{
277 struct ast_private *ast = dev->dev_private;
278 u8 j;
279 u32 data, temp, i;
280 const struct ast_dramstruct *dram_reg_info;
281
282 j = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xd0, 0xff);
283
284 if ((j & 0x80) == 0) { /* VGA only */
285 if (ast->chip == AST2000) {
286 dram_reg_info = ast2000_dram_table_data;
287 ast_write32(ast, 0xf004, 0x1e6e0000);
288 ast_write32(ast, 0xf000, 0x1);
289 ast_write32(ast, 0x10100, 0xa8);
290
291 do {
292 ;
293 } while (ast_read32(ast, 0x10100) != 0xa8);
294 } else {/* AST2100/1100 */
295 if (ast->chip == AST2100 || ast->chip == 2200)
296 dram_reg_info = ast2100_dram_table_data;
297 else
298 dram_reg_info = ast1100_dram_table_data;
299
300 ast_write32(ast, 0xf004, 0x1e6e0000);
301 ast_write32(ast, 0xf000, 0x1);
302 ast_write32(ast, 0x12000, 0x1688A8A8);
303 do {
304 ;
305 } while (ast_read32(ast, 0x12000) != 0x01);
306
307 ast_write32(ast, 0x10000, 0xfc600309);
308 do {
309 ;
310 } while (ast_read32(ast, 0x10000) != 0x01);
311 }
312
313 while (dram_reg_info->index != 0xffff) {
314 if (dram_reg_info->index == 0xff00) {/* delay fn */
315 for (i = 0; i < 15; i++)
316 udelay(dram_reg_info->data);
317 } else if (dram_reg_info->index == 0x4 && ast->chip != AST2000) {
318 data = dram_reg_info->data;
319 if (ast->dram_type == AST_DRAM_1Gx16)
320 data = 0x00000d89;
321 else if (ast->dram_type == AST_DRAM_1Gx32)
322 data = 0x00000c8d;
323
324 temp = ast_read32(ast, 0x12070);
325 temp &= 0xc;
326 temp <<= 2;
327 ast_write32(ast, 0x10000 + dram_reg_info->index, data | temp);
328 } else
329 ast_write32(ast, 0x10000 + dram_reg_info->index, dram_reg_info->data);
330 dram_reg_info++;
331 }
332
333 /* AST 2100/2150 DRAM calibration */
334 data = ast_read32(ast, 0x10120);
335 if (data == 0x5061) { /* 266Mhz */
336 data = ast_read32(ast, 0x10004);
337 if (data & 0x40)
338 cbrdlli_ast2150(ast, 16); /* 16 bits */
339 else
340 cbrdlli_ast2150(ast, 32); /* 32 bits */
341 }
342
343 switch (ast->chip) {
344 case AST2000:
345 temp = ast_read32(ast, 0x10140);
346 ast_write32(ast, 0x10140, temp | 0x40);
347 break;
348 case AST1100:
349 case AST2100:
350 case AST2200:
351 case AST2150:
352 temp = ast_read32(ast, 0x1200c);
353 ast_write32(ast, 0x1200c, temp & 0xfffffffd);
354 temp = ast_read32(ast, 0x12040);
355 ast_write32(ast, 0x12040, temp | 0x40);
356 break;
357 default:
358 break;
359 }
360 }
361
362 /* wait ready */
363 do {
364 j = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xd0, 0xff);
365 } while ((j & 0x40) == 0);
366}
367
368void ast_post_gpu(struct drm_device *dev)
369{
370 u32 reg;
371 struct ast_private *ast = dev->dev_private;
372
373 pci_read_config_dword(ast->dev->pdev, 0x04, ®);
374 reg |= 0x3;
375 pci_write_config_dword(ast->dev->pdev, 0x04, reg);
376
377 ast_enable_vga(dev);
378 ast_enable_mmio(dev);
379 ast_open_key(ast);
380 ast_set_def_ext_reg(dev);
381
382 if (ast->chip == AST2300 || ast->chip == AST2400)
383 ast_init_dram_2300(dev);
384 else
385 ast_init_dram_reg(dev);
386
387 ast_init_3rdtx(dev);
388}
389
390/* AST 2300 DRAM settings */
391#define AST_DDR3 0
392#define AST_DDR2 1
393
394struct ast2300_dram_param {
395 u32 dram_type;
396 u32 dram_chipid;
397 u32 dram_freq;
398 u32 vram_size;
399 u32 odt;
400 u32 wodt;
401 u32 rodt;
402 u32 dram_config;
403 u32 reg_PERIOD;
404 u32 reg_MADJ;
405 u32 reg_SADJ;
406 u32 reg_MRS;
407 u32 reg_EMRS;
408 u32 reg_AC1;
409 u32 reg_AC2;
410 u32 reg_DQSIC;
411 u32 reg_DRV;
412 u32 reg_IOZ;
413 u32 reg_DQIDLY;
414 u32 reg_FREQ;
415 u32 madj_max;
416 u32 dll2_finetune_step;
417};
418
419/*
420 * DQSI DLL CBR Setting
421 */
422#define CBR_SIZE0 ((1 << 10) - 1)
423#define CBR_SIZE1 ((4 << 10) - 1)
424#define CBR_SIZE2 ((64 << 10) - 1)
425#define CBR_PASSNUM 5
426#define CBR_PASSNUM2 5
427#define CBR_THRESHOLD 10
428#define CBR_THRESHOLD2 10
429#define TIMEOUT 5000000
430#define CBR_PATNUM 8
431
432static const u32 pattern[8] = {
433 0xFF00FF00,
434 0xCC33CC33,
435 0xAA55AA55,
436 0x88778877,
437 0x92CC4D6E,
438 0x543D3CDE,
439 0xF1E843C7,
440 0x7C61D253
441};
442
443static int mmc_test_burst(struct ast_private *ast, u32 datagen)
444{
445 u32 data, timeout;
446
447 ast_moutdwm(ast, 0x1e6e0070, 0x00000000);
448 ast_moutdwm(ast, 0x1e6e0070, 0x000000c1 | (datagen << 3));
449 timeout = 0;
450 do {
451 data = ast_mindwm(ast, 0x1e6e0070) & 0x3000;
452 if (data & 0x2000) {
453 return 0;
454 }
455 if (++timeout > TIMEOUT) {
456 ast_moutdwm(ast, 0x1e6e0070, 0x00000000);
457 return 0;
458 }
459 } while (!data);
460 ast_moutdwm(ast, 0x1e6e0070, 0x00000000);
461 return 1;
462}
463
464static int mmc_test_burst2(struct ast_private *ast, u32 datagen)
465{
466 u32 data, timeout;
467
468 ast_moutdwm(ast, 0x1e6e0070, 0x00000000);
469 ast_moutdwm(ast, 0x1e6e0070, 0x00000041 | (datagen << 3));
470 timeout = 0;
471 do {
472 data = ast_mindwm(ast, 0x1e6e0070) & 0x1000;
473 if (++timeout > TIMEOUT) {
474 ast_moutdwm(ast, 0x1e6e0070, 0x0);
475 return -1;
476 }
477 } while (!data);
478 data = ast_mindwm(ast, 0x1e6e0078);
479 data = (data | (data >> 16)) & 0xffff;
480 ast_moutdwm(ast, 0x1e6e0070, 0x0);
481 return data;
482}
483
484static int mmc_test_single(struct ast_private *ast, u32 datagen)
485{
486 u32 data, timeout;
487
488 ast_moutdwm(ast, 0x1e6e0070, 0x00000000);
489 ast_moutdwm(ast, 0x1e6e0070, 0x000000c5 | (datagen << 3));
490 timeout = 0;
491 do {
492 data = ast_mindwm(ast, 0x1e6e0070) & 0x3000;
493 if (data & 0x2000)
494 return 0;
495 if (++timeout > TIMEOUT) {
496 ast_moutdwm(ast, 0x1e6e0070, 0x0);
497 return 0;
498 }
499 } while (!data);
500 ast_moutdwm(ast, 0x1e6e0070, 0x0);
501 return 1;
502}
503
504static int mmc_test_single2(struct ast_private *ast, u32 datagen)
505{
506 u32 data, timeout;
507
508 ast_moutdwm(ast, 0x1e6e0070, 0x00000000);
509 ast_moutdwm(ast, 0x1e6e0070, 0x00000005 | (datagen << 3));
510 timeout = 0;
511 do {
512 data = ast_mindwm(ast, 0x1e6e0070) & 0x1000;
513 if (++timeout > TIMEOUT) {
514 ast_moutdwm(ast, 0x1e6e0070, 0x0);
515 return -1;
516 }
517 } while (!data);
518 data = ast_mindwm(ast, 0x1e6e0078);
519 data = (data | (data >> 16)) & 0xffff;
520 ast_moutdwm(ast, 0x1e6e0070, 0x0);
521 return data;
522}
523
524static int cbr_test(struct ast_private *ast)
525{
526 u32 data;
527 int i;
528 data = mmc_test_single2(ast, 0);
529 if ((data & 0xff) && (data & 0xff00))
530 return 0;
531 for (i = 0; i < 8; i++) {
532 data = mmc_test_burst2(ast, i);
533 if ((data & 0xff) && (data & 0xff00))
534 return 0;
535 }
536 if (!data)
537 return 3;
538 else if (data & 0xff)
539 return 2;
540 return 1;
541}
542
543static int cbr_scan(struct ast_private *ast)
544{
545 u32 data, data2, patcnt, loop;
546
547 data2 = 3;
548 for (patcnt = 0; patcnt < CBR_PATNUM; patcnt++) {
549 ast_moutdwm(ast, 0x1e6e007c, pattern[patcnt]);
550 for (loop = 0; loop < CBR_PASSNUM2; loop++) {
551 if ((data = cbr_test(ast)) != 0) {
552 data2 &= data;
553 if (!data2)
554 return 0;
555 break;
556 }
557 }
558 if (loop == CBR_PASSNUM2)
559 return 0;
560 }
561 return data2;
562}
563
564static u32 cbr_test2(struct ast_private *ast)
565{
566 u32 data;
567
568 data = mmc_test_burst2(ast, 0);
569 if (data == 0xffff)
570 return 0;
571 data |= mmc_test_single2(ast, 0);
572 if (data == 0xffff)
573 return 0;
574
575 return ~data & 0xffff;
576}
577
578static u32 cbr_scan2(struct ast_private *ast)
579{
580 u32 data, data2, patcnt, loop;
581
582 data2 = 0xffff;
583 for (patcnt = 0; patcnt < CBR_PATNUM; patcnt++) {
584 ast_moutdwm(ast, 0x1e6e007c, pattern[patcnt]);
585 for (loop = 0; loop < CBR_PASSNUM2; loop++) {
586 if ((data = cbr_test2(ast)) != 0) {
587 data2 &= data;
588 if (!data2)
589 return 0;
590 break;
591 }
592 }
593 if (loop == CBR_PASSNUM2)
594 return 0;
595 }
596 return data2;
597}
598
599static u32 cbr_test3(struct ast_private *ast)
600{
601 if (!mmc_test_burst(ast, 0))
602 return 0;
603 if (!mmc_test_single(ast, 0))
604 return 0;
605 return 1;
606}
607
608static u32 cbr_scan3(struct ast_private *ast)
609{
610 u32 patcnt, loop;
611
612 for (patcnt = 0; patcnt < CBR_PATNUM; patcnt++) {
613 ast_moutdwm(ast, 0x1e6e007c, pattern[patcnt]);
614 for (loop = 0; loop < 2; loop++) {
615 if (cbr_test3(ast))
616 break;
617 }
618 if (loop == 2)
619 return 0;
620 }
621 return 1;
622}
623
624static bool finetuneDQI_L(struct ast_private *ast, struct ast2300_dram_param *param)
625{
626 u32 gold_sadj[2], dllmin[16], dllmax[16], dlli, data, cnt, mask, passcnt, retry = 0;
627 bool status = false;
628FINETUNE_START:
629 for (cnt = 0; cnt < 16; cnt++) {
630 dllmin[cnt] = 0xff;
631 dllmax[cnt] = 0x0;
632 }
633 passcnt = 0;
634 for (dlli = 0; dlli < 76; dlli++) {
635 ast_moutdwm(ast, 0x1E6E0068, 0x00001400 | (dlli << 16) | (dlli << 24));
636 ast_moutdwm(ast, 0x1E6E0074, CBR_SIZE1);
637 data = cbr_scan2(ast);
638 if (data != 0) {
639 mask = 0x00010001;
640 for (cnt = 0; cnt < 16; cnt++) {
641 if (data & mask) {
642 if (dllmin[cnt] > dlli) {
643 dllmin[cnt] = dlli;
644 }
645 if (dllmax[cnt] < dlli) {
646 dllmax[cnt] = dlli;
647 }
648 }
649 mask <<= 1;
650 }
651 passcnt++;
652 } else if (passcnt >= CBR_THRESHOLD2) {
653 break;
654 }
655 }
656 gold_sadj[0] = 0x0;
657 passcnt = 0;
658 for (cnt = 0; cnt < 16; cnt++) {
659 if ((dllmax[cnt] > dllmin[cnt]) && ((dllmax[cnt] - dllmin[cnt]) >= CBR_THRESHOLD2)) {
660 gold_sadj[0] += dllmin[cnt];
661 passcnt++;
662 }
663 }
664 if (retry++ > 10)
665 goto FINETUNE_DONE;
666 if (passcnt != 16) {
667 goto FINETUNE_START;
668 }
669 status = true;
670FINETUNE_DONE:
671 gold_sadj[0] = gold_sadj[0] >> 4;
672 gold_sadj[1] = gold_sadj[0];
673
674 data = 0;
675 for (cnt = 0; cnt < 8; cnt++) {
676 data >>= 3;
677 if ((dllmax[cnt] > dllmin[cnt]) && ((dllmax[cnt] - dllmin[cnt]) >= CBR_THRESHOLD2)) {
678 dlli = dllmin[cnt];
679 if (gold_sadj[0] >= dlli) {
680 dlli = ((gold_sadj[0] - dlli) * 19) >> 5;
681 if (dlli > 3) {
682 dlli = 3;
683 }
684 } else {
685 dlli = ((dlli - gold_sadj[0]) * 19) >> 5;
686 if (dlli > 4) {
687 dlli = 4;
688 }
689 dlli = (8 - dlli) & 0x7;
690 }
691 data |= dlli << 21;
692 }
693 }
694 ast_moutdwm(ast, 0x1E6E0080, data);
695
696 data = 0;
697 for (cnt = 8; cnt < 16; cnt++) {
698 data >>= 3;
699 if ((dllmax[cnt] > dllmin[cnt]) && ((dllmax[cnt] - dllmin[cnt]) >= CBR_THRESHOLD2)) {
700 dlli = dllmin[cnt];
701 if (gold_sadj[1] >= dlli) {
702 dlli = ((gold_sadj[1] - dlli) * 19) >> 5;
703 if (dlli > 3) {
704 dlli = 3;
705 } else {
706 dlli = (dlli - 1) & 0x7;
707 }
708 } else {
709 dlli = ((dlli - gold_sadj[1]) * 19) >> 5;
710 dlli += 1;
711 if (dlli > 4) {
712 dlli = 4;
713 }
714 dlli = (8 - dlli) & 0x7;
715 }
716 data |= dlli << 21;
717 }
718 }
719 ast_moutdwm(ast, 0x1E6E0084, data);
720 return status;
721} /* finetuneDQI_L */
722
723static void finetuneDQSI(struct ast_private *ast)
724{
725 u32 dlli, dqsip, dqidly;
726 u32 reg_mcr18, reg_mcr0c, passcnt[2], diff;
727 u32 g_dqidly, g_dqsip, g_margin, g_side;
728 u16 pass[32][2][2];
729 char tag[2][76];
730
731 /* Disable DQI CBR */
732 reg_mcr0c = ast_mindwm(ast, 0x1E6E000C);
733 reg_mcr18 = ast_mindwm(ast, 0x1E6E0018);
734 reg_mcr18 &= 0x0000ffff;
735 ast_moutdwm(ast, 0x1E6E0018, reg_mcr18);
736
737 for (dlli = 0; dlli < 76; dlli++) {
738 tag[0][dlli] = 0x0;
739 tag[1][dlli] = 0x0;
740 }
741 for (dqidly = 0; dqidly < 32; dqidly++) {
742 pass[dqidly][0][0] = 0xff;
743 pass[dqidly][0][1] = 0x0;
744 pass[dqidly][1][0] = 0xff;
745 pass[dqidly][1][1] = 0x0;
746 }
747 for (dqidly = 0; dqidly < 32; dqidly++) {
748 passcnt[0] = passcnt[1] = 0;
749 for (dqsip = 0; dqsip < 2; dqsip++) {
750 ast_moutdwm(ast, 0x1E6E000C, 0);
751 ast_moutdwm(ast, 0x1E6E0018, reg_mcr18 | (dqidly << 16) | (dqsip << 23));
752 ast_moutdwm(ast, 0x1E6E000C, reg_mcr0c);
753 for (dlli = 0; dlli < 76; dlli++) {
754 ast_moutdwm(ast, 0x1E6E0068, 0x00001300 | (dlli << 16) | (dlli << 24));
755 ast_moutdwm(ast, 0x1E6E0070, 0);
756 ast_moutdwm(ast, 0x1E6E0074, CBR_SIZE0);
757 if (cbr_scan3(ast)) {
758 if (dlli == 0)
759 break;
760 passcnt[dqsip]++;
761 tag[dqsip][dlli] = 'P';
762 if (dlli < pass[dqidly][dqsip][0])
763 pass[dqidly][dqsip][0] = (u16) dlli;
764 if (dlli > pass[dqidly][dqsip][1])
765 pass[dqidly][dqsip][1] = (u16) dlli;
766 } else if (passcnt[dqsip] >= 5)
767 break;
768 else {
769 pass[dqidly][dqsip][0] = 0xff;
770 pass[dqidly][dqsip][1] = 0x0;
771 }
772 }
773 }
774 if (passcnt[0] == 0 && passcnt[1] == 0)
775 dqidly++;
776 }
777 /* Search margin */
778 g_dqidly = g_dqsip = g_margin = g_side = 0;
779
780 for (dqidly = 0; dqidly < 32; dqidly++) {
781 for (dqsip = 0; dqsip < 2; dqsip++) {
782 if (pass[dqidly][dqsip][0] > pass[dqidly][dqsip][1])
783 continue;
784 diff = pass[dqidly][dqsip][1] - pass[dqidly][dqsip][0];
785 if ((diff+2) < g_margin)
786 continue;
787 passcnt[0] = passcnt[1] = 0;
788 for (dlli = pass[dqidly][dqsip][0]; dlli > 0 && tag[dqsip][dlli] != 0; dlli--, passcnt[0]++);
789 for (dlli = pass[dqidly][dqsip][1]; dlli < 76 && tag[dqsip][dlli] != 0; dlli++, passcnt[1]++);
790 if (passcnt[0] > passcnt[1])
791 passcnt[0] = passcnt[1];
792 passcnt[1] = 0;
793 if (passcnt[0] > g_side)
794 passcnt[1] = passcnt[0] - g_side;
795 if (diff > (g_margin+1) && (passcnt[1] > 0 || passcnt[0] > 8)) {
796 g_margin = diff;
797 g_dqidly = dqidly;
798 g_dqsip = dqsip;
799 g_side = passcnt[0];
800 } else if (passcnt[1] > 1 && g_side < 8) {
801 if (diff > g_margin)
802 g_margin = diff;
803 g_dqidly = dqidly;
804 g_dqsip = dqsip;
805 g_side = passcnt[0];
806 }
807 }
808 }
809 reg_mcr18 = reg_mcr18 | (g_dqidly << 16) | (g_dqsip << 23);
810 ast_moutdwm(ast, 0x1E6E0018, reg_mcr18);
811
812}
813static bool cbr_dll2(struct ast_private *ast, struct ast2300_dram_param *param)
814{
815 u32 dllmin[2], dllmax[2], dlli, data, passcnt, retry = 0;
816 bool status = false;
817
818 finetuneDQSI(ast);
819 if (finetuneDQI_L(ast, param) == false)
820 return status;
821
822CBR_START2:
823 dllmin[0] = dllmin[1] = 0xff;
824 dllmax[0] = dllmax[1] = 0x0;
825 passcnt = 0;
826 for (dlli = 0; dlli < 76; dlli++) {
827 ast_moutdwm(ast, 0x1E6E0068, 0x00001300 | (dlli << 16) | (dlli << 24));
828 ast_moutdwm(ast, 0x1E6E0074, CBR_SIZE2);
829 data = cbr_scan(ast);
830 if (data != 0) {
831 if (data & 0x1) {
832 if (dllmin[0] > dlli) {
833 dllmin[0] = dlli;
834 }
835 if (dllmax[0] < dlli) {
836 dllmax[0] = dlli;
837 }
838 }
839 if (data & 0x2) {
840 if (dllmin[1] > dlli) {
841 dllmin[1] = dlli;
842 }
843 if (dllmax[1] < dlli) {
844 dllmax[1] = dlli;
845 }
846 }
847 passcnt++;
848 } else if (passcnt >= CBR_THRESHOLD) {
849 break;
850 }
851 }
852 if (retry++ > 10)
853 goto CBR_DONE2;
854 if (dllmax[0] == 0 || (dllmax[0]-dllmin[0]) < CBR_THRESHOLD) {
855 goto CBR_START2;
856 }
857 if (dllmax[1] == 0 || (dllmax[1]-dllmin[1]) < CBR_THRESHOLD) {
858 goto CBR_START2;
859 }
860 status = true;
861CBR_DONE2:
862 dlli = (dllmin[1] + dllmax[1]) >> 1;
863 dlli <<= 8;
864 dlli += (dllmin[0] + dllmax[0]) >> 1;
865 ast_moutdwm(ast, 0x1E6E0068, ast_mindwm(ast, 0x1E720058) | (dlli << 16));
866 return status;
867} /* CBRDLL2 */
868
869static void get_ddr3_info(struct ast_private *ast, struct ast2300_dram_param *param)
870{
871 u32 trap, trap_AC2, trap_MRS;
872
873 ast_moutdwm(ast, 0x1E6E2000, 0x1688A8A8);
874
875 /* Ger trap info */
876 trap = (ast_mindwm(ast, 0x1E6E2070) >> 25) & 0x3;
877 trap_AC2 = 0x00020000 + (trap << 16);
878 trap_AC2 |= 0x00300000 + ((trap & 0x2) << 19);
879 trap_MRS = 0x00000010 + (trap << 4);
880 trap_MRS |= ((trap & 0x2) << 18);
881
882 param->reg_MADJ = 0x00034C4C;
883 param->reg_SADJ = 0x00001800;
884 param->reg_DRV = 0x000000F0;
885 param->reg_PERIOD = param->dram_freq;
886 param->rodt = 0;
887
888 switch (param->dram_freq) {
889 case 336:
890 ast_moutdwm(ast, 0x1E6E2020, 0x0190);
891 param->wodt = 0;
892 param->reg_AC1 = 0x22202725;
893 param->reg_AC2 = 0xAA007613 | trap_AC2;
894 param->reg_DQSIC = 0x000000BA;
895 param->reg_MRS = 0x04001400 | trap_MRS;
896 param->reg_EMRS = 0x00000000;
897 param->reg_IOZ = 0x00000023;
898 param->reg_DQIDLY = 0x00000074;
899 param->reg_FREQ = 0x00004DC0;
900 param->madj_max = 96;
901 param->dll2_finetune_step = 3;
902 switch (param->dram_chipid) {
903 default:
904 case AST_DRAM_512Mx16:
905 case AST_DRAM_1Gx16:
906 param->reg_AC2 = 0xAA007613 | trap_AC2;
907 break;
908 case AST_DRAM_2Gx16:
909 param->reg_AC2 = 0xAA00761C | trap_AC2;
910 break;
911 case AST_DRAM_4Gx16:
912 param->reg_AC2 = 0xAA007636 | trap_AC2;
913 break;
914 }
915 break;
916 default:
917 case 396:
918 ast_moutdwm(ast, 0x1E6E2020, 0x03F1);
919 param->wodt = 1;
920 param->reg_AC1 = 0x33302825;
921 param->reg_AC2 = 0xCC009617 | trap_AC2;
922 param->reg_DQSIC = 0x000000E2;
923 param->reg_MRS = 0x04001600 | trap_MRS;
924 param->reg_EMRS = 0x00000000;
925 param->reg_IOZ = 0x00000034;
926 param->reg_DRV = 0x000000FA;
927 param->reg_DQIDLY = 0x00000089;
928 param->reg_FREQ = 0x00005040;
929 param->madj_max = 96;
930 param->dll2_finetune_step = 4;
931
932 switch (param->dram_chipid) {
933 default:
934 case AST_DRAM_512Mx16:
935 case AST_DRAM_1Gx16:
936 param->reg_AC2 = 0xCC009617 | trap_AC2;
937 break;
938 case AST_DRAM_2Gx16:
939 param->reg_AC2 = 0xCC009622 | trap_AC2;
940 break;
941 case AST_DRAM_4Gx16:
942 param->reg_AC2 = 0xCC00963F | trap_AC2;
943 break;
944 }
945 break;
946
947 case 408:
948 ast_moutdwm(ast, 0x1E6E2020, 0x01F0);
949 param->wodt = 1;
950 param->reg_AC1 = 0x33302825;
951 param->reg_AC2 = 0xCC009617 | trap_AC2;
952 param->reg_DQSIC = 0x000000E2;
953 param->reg_MRS = 0x04001600 | trap_MRS;
954 param->reg_EMRS = 0x00000000;
955 param->reg_IOZ = 0x00000023;
956 param->reg_DRV = 0x000000FA;
957 param->reg_DQIDLY = 0x00000089;
958 param->reg_FREQ = 0x000050C0;
959 param->madj_max = 96;
960 param->dll2_finetune_step = 4;
961
962 switch (param->dram_chipid) {
963 default:
964 case AST_DRAM_512Mx16:
965 case AST_DRAM_1Gx16:
966 param->reg_AC2 = 0xCC009617 | trap_AC2;
967 break;
968 case AST_DRAM_2Gx16:
969 param->reg_AC2 = 0xCC009622 | trap_AC2;
970 break;
971 case AST_DRAM_4Gx16:
972 param->reg_AC2 = 0xCC00963F | trap_AC2;
973 break;
974 }
975
976 break;
977 case 456:
978 ast_moutdwm(ast, 0x1E6E2020, 0x0230);
979 param->wodt = 0;
980 param->reg_AC1 = 0x33302926;
981 param->reg_AC2 = 0xCD44961A;
982 param->reg_DQSIC = 0x000000FC;
983 param->reg_MRS = 0x00081830;
984 param->reg_EMRS = 0x00000000;
985 param->reg_IOZ = 0x00000045;
986 param->reg_DQIDLY = 0x00000097;
987 param->reg_FREQ = 0x000052C0;
988 param->madj_max = 88;
989 param->dll2_finetune_step = 4;
990 break;
991 case 504:
992 ast_moutdwm(ast, 0x1E6E2020, 0x0270);
993 param->wodt = 1;
994 param->reg_AC1 = 0x33302926;
995 param->reg_AC2 = 0xDE44A61D;
996 param->reg_DQSIC = 0x00000117;
997 param->reg_MRS = 0x00081A30;
998 param->reg_EMRS = 0x00000000;
999 param->reg_IOZ = 0x070000BB;
1000 param->reg_DQIDLY = 0x000000A0;
1001 param->reg_FREQ = 0x000054C0;
1002 param->madj_max = 79;
1003 param->dll2_finetune_step = 4;
1004 break;
1005 case 528:
1006 ast_moutdwm(ast, 0x1E6E2020, 0x0290);
1007 param->wodt = 1;
1008 param->rodt = 1;
1009 param->reg_AC1 = 0x33302926;
1010 param->reg_AC2 = 0xEF44B61E;
1011 param->reg_DQSIC = 0x00000125;
1012 param->reg_MRS = 0x00081A30;
1013 param->reg_EMRS = 0x00000040;
1014 param->reg_DRV = 0x000000F5;
1015 param->reg_IOZ = 0x00000023;
1016 param->reg_DQIDLY = 0x00000088;
1017 param->reg_FREQ = 0x000055C0;
1018 param->madj_max = 76;
1019 param->dll2_finetune_step = 3;
1020 break;
1021 case 576:
1022 ast_moutdwm(ast, 0x1E6E2020, 0x0140);
1023 param->reg_MADJ = 0x00136868;
1024 param->reg_SADJ = 0x00004534;
1025 param->wodt = 1;
1026 param->rodt = 1;
1027 param->reg_AC1 = 0x33302A37;
1028 param->reg_AC2 = 0xEF56B61E;
1029 param->reg_DQSIC = 0x0000013F;
1030 param->reg_MRS = 0x00101A50;
1031 param->reg_EMRS = 0x00000040;
1032 param->reg_DRV = 0x000000FA;
1033 param->reg_IOZ = 0x00000023;
1034 param->reg_DQIDLY = 0x00000078;
1035 param->reg_FREQ = 0x000057C0;
1036 param->madj_max = 136;
1037 param->dll2_finetune_step = 3;
1038 break;
1039 case 600:
1040 ast_moutdwm(ast, 0x1E6E2020, 0x02E1);
1041 param->reg_MADJ = 0x00136868;
1042 param->reg_SADJ = 0x00004534;
1043 param->wodt = 1;
1044 param->rodt = 1;
1045 param->reg_AC1 = 0x32302A37;
1046 param->reg_AC2 = 0xDF56B61F;
1047 param->reg_DQSIC = 0x0000014D;
1048 param->reg_MRS = 0x00101A50;
1049 param->reg_EMRS = 0x00000004;
1050 param->reg_DRV = 0x000000F5;
1051 param->reg_IOZ = 0x00000023;
1052 param->reg_DQIDLY = 0x00000078;
1053 param->reg_FREQ = 0x000058C0;
1054 param->madj_max = 132;
1055 param->dll2_finetune_step = 3;
1056 break;
1057 case 624:
1058 ast_moutdwm(ast, 0x1E6E2020, 0x0160);
1059 param->reg_MADJ = 0x00136868;
1060 param->reg_SADJ = 0x00004534;
1061 param->wodt = 1;
1062 param->rodt = 1;
1063 param->reg_AC1 = 0x32302A37;
1064 param->reg_AC2 = 0xEF56B621;
1065 param->reg_DQSIC = 0x0000015A;
1066 param->reg_MRS = 0x02101A50;
1067 param->reg_EMRS = 0x00000004;
1068 param->reg_DRV = 0x000000F5;
1069 param->reg_IOZ = 0x00000034;
1070 param->reg_DQIDLY = 0x00000078;
1071 param->reg_FREQ = 0x000059C0;
1072 param->madj_max = 128;
1073 param->dll2_finetune_step = 3;
1074 break;
1075 } /* switch freq */
1076
1077 switch (param->dram_chipid) {
1078 case AST_DRAM_512Mx16:
1079 param->dram_config = 0x130;
1080 break;
1081 default:
1082 case AST_DRAM_1Gx16:
1083 param->dram_config = 0x131;
1084 break;
1085 case AST_DRAM_2Gx16:
1086 param->dram_config = 0x132;
1087 break;
1088 case AST_DRAM_4Gx16:
1089 param->dram_config = 0x133;
1090 break;
1091 } /* switch size */
1092
1093 switch (param->vram_size) {
1094 default:
1095 case AST_VIDMEM_SIZE_8M:
1096 param->dram_config |= 0x00;
1097 break;
1098 case AST_VIDMEM_SIZE_16M:
1099 param->dram_config |= 0x04;
1100 break;
1101 case AST_VIDMEM_SIZE_32M:
1102 param->dram_config |= 0x08;
1103 break;
1104 case AST_VIDMEM_SIZE_64M:
1105 param->dram_config |= 0x0c;
1106 break;
1107 }
1108
1109}
1110
1111static void ddr3_init(struct ast_private *ast, struct ast2300_dram_param *param)
1112{
1113 u32 data, data2, retry = 0;
1114
1115ddr3_init_start:
1116 ast_moutdwm(ast, 0x1E6E0000, 0xFC600309);
1117 ast_moutdwm(ast, 0x1E6E0018, 0x00000100);
1118 ast_moutdwm(ast, 0x1E6E0024, 0x00000000);
1119 ast_moutdwm(ast, 0x1E6E0034, 0x00000000);
1120 udelay(10);
1121 ast_moutdwm(ast, 0x1E6E0064, param->reg_MADJ);
1122 ast_moutdwm(ast, 0x1E6E0068, param->reg_SADJ);
1123 udelay(10);
1124 ast_moutdwm(ast, 0x1E6E0064, param->reg_MADJ | 0xC0000);
1125 udelay(10);
1126
1127 ast_moutdwm(ast, 0x1E6E0004, param->dram_config);
1128 ast_moutdwm(ast, 0x1E6E0008, 0x90040f);
1129 ast_moutdwm(ast, 0x1E6E0010, param->reg_AC1);
1130 ast_moutdwm(ast, 0x1E6E0014, param->reg_AC2);
1131 ast_moutdwm(ast, 0x1E6E0020, param->reg_DQSIC);
1132 ast_moutdwm(ast, 0x1E6E0080, 0x00000000);
1133 ast_moutdwm(ast, 0x1E6E0084, 0x00000000);
1134 ast_moutdwm(ast, 0x1E6E0088, param->reg_DQIDLY);
1135 ast_moutdwm(ast, 0x1E6E0018, 0x4000A170);
1136 ast_moutdwm(ast, 0x1E6E0018, 0x00002370);
1137 ast_moutdwm(ast, 0x1E6E0038, 0x00000000);
1138 ast_moutdwm(ast, 0x1E6E0040, 0xFF444444);
1139 ast_moutdwm(ast, 0x1E6E0044, 0x22222222);
1140 ast_moutdwm(ast, 0x1E6E0048, 0x22222222);
1141 ast_moutdwm(ast, 0x1E6E004C, 0x00000002);
1142 ast_moutdwm(ast, 0x1E6E0050, 0x80000000);
1143 ast_moutdwm(ast, 0x1E6E0050, 0x00000000);
1144 ast_moutdwm(ast, 0x1E6E0054, 0);
1145 ast_moutdwm(ast, 0x1E6E0060, param->reg_DRV);
1146 ast_moutdwm(ast, 0x1E6E006C, param->reg_IOZ);
1147 ast_moutdwm(ast, 0x1E6E0070, 0x00000000);
1148 ast_moutdwm(ast, 0x1E6E0074, 0x00000000);
1149 ast_moutdwm(ast, 0x1E6E0078, 0x00000000);
1150 ast_moutdwm(ast, 0x1E6E007C, 0x00000000);
1151 /* Wait MCLK2X lock to MCLK */
1152 do {
1153 data = ast_mindwm(ast, 0x1E6E001C);
1154 } while (!(data & 0x08000000));
1155 data = ast_mindwm(ast, 0x1E6E001C);
1156 data = (data >> 8) & 0xff;
1157 while ((data & 0x08) || ((data & 0x7) < 2) || (data < 4)) {
1158 data2 = (ast_mindwm(ast, 0x1E6E0064) & 0xfff3ffff) + 4;
1159 if ((data2 & 0xff) > param->madj_max) {
1160 break;
1161 }
1162 ast_moutdwm(ast, 0x1E6E0064, data2);
1163 if (data2 & 0x00100000) {
1164 data2 = ((data2 & 0xff) >> 3) + 3;
1165 } else {
1166 data2 = ((data2 & 0xff) >> 2) + 5;
1167 }
1168 data = ast_mindwm(ast, 0x1E6E0068) & 0xffff00ff;
1169 data2 += data & 0xff;
1170 data = data | (data2 << 8);
1171 ast_moutdwm(ast, 0x1E6E0068, data);
1172 udelay(10);
1173 ast_moutdwm(ast, 0x1E6E0064, ast_mindwm(ast, 0x1E6E0064) | 0xC0000);
1174 udelay(10);
1175 data = ast_mindwm(ast, 0x1E6E0018) & 0xfffff1ff;
1176 ast_moutdwm(ast, 0x1E6E0018, data);
1177 data = data | 0x200;
1178 ast_moutdwm(ast, 0x1E6E0018, data);
1179 do {
1180 data = ast_mindwm(ast, 0x1E6E001C);
1181 } while (!(data & 0x08000000));
1182
1183 data = ast_mindwm(ast, 0x1E6E001C);
1184 data = (data >> 8) & 0xff;
1185 }
1186 ast_moutdwm(ast, 0x1E720058, ast_mindwm(ast, 0x1E6E0068) & 0xffff);
1187 data = ast_mindwm(ast, 0x1E6E0018) | 0xC00;
1188 ast_moutdwm(ast, 0x1E6E0018, data);
1189
1190 ast_moutdwm(ast, 0x1E6E0034, 0x00000001);
1191 ast_moutdwm(ast, 0x1E6E000C, 0x00000040);
1192 udelay(50);
1193 /* Mode Register Setting */
1194 ast_moutdwm(ast, 0x1E6E002C, param->reg_MRS | 0x100);
1195 ast_moutdwm(ast, 0x1E6E0030, param->reg_EMRS);
1196 ast_moutdwm(ast, 0x1E6E0028, 0x00000005);
1197 ast_moutdwm(ast, 0x1E6E0028, 0x00000007);
1198 ast_moutdwm(ast, 0x1E6E0028, 0x00000003);
1199 ast_moutdwm(ast, 0x1E6E0028, 0x00000001);
1200 ast_moutdwm(ast, 0x1E6E002C, param->reg_MRS);
1201 ast_moutdwm(ast, 0x1E6E000C, 0x00005C08);
1202 ast_moutdwm(ast, 0x1E6E0028, 0x00000001);
1203
1204 ast_moutdwm(ast, 0x1E6E000C, 0x00005C01);
1205 data = 0;
1206 if (param->wodt) {
1207 data = 0x300;
1208 }
1209 if (param->rodt) {
1210 data = data | 0x3000 | ((param->reg_AC2 & 0x60000) >> 3);
1211 }
1212 ast_moutdwm(ast, 0x1E6E0034, data | 0x3);
1213
1214 /* Calibrate the DQSI delay */
1215 if ((cbr_dll2(ast, param) == false) && (retry++ < 10))
1216 goto ddr3_init_start;
1217
1218 ast_moutdwm(ast, 0x1E6E0120, param->reg_FREQ);
1219 /* ECC Memory Initialization */
1220#ifdef ECC
1221 ast_moutdwm(ast, 0x1E6E007C, 0x00000000);
1222 ast_moutdwm(ast, 0x1E6E0070, 0x221);
1223 do {
1224 data = ast_mindwm(ast, 0x1E6E0070);
1225 } while (!(data & 0x00001000));
1226 ast_moutdwm(ast, 0x1E6E0070, 0x00000000);
1227 ast_moutdwm(ast, 0x1E6E0050, 0x80000000);
1228 ast_moutdwm(ast, 0x1E6E0050, 0x00000000);
1229#endif
1230
1231
1232}
1233
1234static void get_ddr2_info(struct ast_private *ast, struct ast2300_dram_param *param)
1235{
1236 u32 trap, trap_AC2, trap_MRS;
1237
1238 ast_moutdwm(ast, 0x1E6E2000, 0x1688A8A8);
1239
1240 /* Ger trap info */
1241 trap = (ast_mindwm(ast, 0x1E6E2070) >> 25) & 0x3;
1242 trap_AC2 = (trap << 20) | (trap << 16);
1243 trap_AC2 += 0x00110000;
1244 trap_MRS = 0x00000040 | (trap << 4);
1245
1246
1247 param->reg_MADJ = 0x00034C4C;
1248 param->reg_SADJ = 0x00001800;
1249 param->reg_DRV = 0x000000F0;
1250 param->reg_PERIOD = param->dram_freq;
1251 param->rodt = 0;
1252
1253 switch (param->dram_freq) {
1254 case 264:
1255 ast_moutdwm(ast, 0x1E6E2020, 0x0130);
1256 param->wodt = 0;
1257 param->reg_AC1 = 0x11101513;
1258 param->reg_AC2 = 0x78117011;
1259 param->reg_DQSIC = 0x00000092;
1260 param->reg_MRS = 0x00000842;
1261 param->reg_EMRS = 0x00000000;
1262 param->reg_DRV = 0x000000F0;
1263 param->reg_IOZ = 0x00000034;
1264 param->reg_DQIDLY = 0x0000005A;
1265 param->reg_FREQ = 0x00004AC0;
1266 param->madj_max = 138;
1267 param->dll2_finetune_step = 3;
1268 break;
1269 case 336:
1270 ast_moutdwm(ast, 0x1E6E2020, 0x0190);
1271 param->wodt = 1;
1272 param->reg_AC1 = 0x22202613;
1273 param->reg_AC2 = 0xAA009016 | trap_AC2;
1274 param->reg_DQSIC = 0x000000BA;
1275 param->reg_MRS = 0x00000A02 | trap_MRS;
1276 param->reg_EMRS = 0x00000040;
1277 param->reg_DRV = 0x000000FA;
1278 param->reg_IOZ = 0x00000034;
1279 param->reg_DQIDLY = 0x00000074;
1280 param->reg_FREQ = 0x00004DC0;
1281 param->madj_max = 96;
1282 param->dll2_finetune_step = 3;
1283 switch (param->dram_chipid) {
1284 default:
1285 case AST_DRAM_512Mx16:
1286 param->reg_AC2 = 0xAA009012 | trap_AC2;
1287 break;
1288 case AST_DRAM_1Gx16:
1289 param->reg_AC2 = 0xAA009016 | trap_AC2;
1290 break;
1291 case AST_DRAM_2Gx16:
1292 param->reg_AC2 = 0xAA009023 | trap_AC2;
1293 break;
1294 case AST_DRAM_4Gx16:
1295 param->reg_AC2 = 0xAA00903B | trap_AC2;
1296 break;
1297 }
1298 break;
1299 default:
1300 case 396:
1301 ast_moutdwm(ast, 0x1E6E2020, 0x03F1);
1302 param->wodt = 1;
1303 param->rodt = 0;
1304 param->reg_AC1 = 0x33302714;
1305 param->reg_AC2 = 0xCC00B01B | trap_AC2;
1306 param->reg_DQSIC = 0x000000E2;
1307 param->reg_MRS = 0x00000C02 | trap_MRS;
1308 param->reg_EMRS = 0x00000040;
1309 param->reg_DRV = 0x000000FA;
1310 param->reg_IOZ = 0x00000034;
1311 param->reg_DQIDLY = 0x00000089;
1312 param->reg_FREQ = 0x00005040;
1313 param->madj_max = 96;
1314 param->dll2_finetune_step = 4;
1315
1316 switch (param->dram_chipid) {
1317 case AST_DRAM_512Mx16:
1318 param->reg_AC2 = 0xCC00B016 | trap_AC2;
1319 break;
1320 default:
1321 case AST_DRAM_1Gx16:
1322 param->reg_AC2 = 0xCC00B01B | trap_AC2;
1323 break;
1324 case AST_DRAM_2Gx16:
1325 param->reg_AC2 = 0xCC00B02B | trap_AC2;
1326 break;
1327 case AST_DRAM_4Gx16:
1328 param->reg_AC2 = 0xCC00B03F | trap_AC2;
1329 break;
1330 }
1331
1332 break;
1333
1334 case 408:
1335 ast_moutdwm(ast, 0x1E6E2020, 0x01F0);
1336 param->wodt = 1;
1337 param->rodt = 0;
1338 param->reg_AC1 = 0x33302714;
1339 param->reg_AC2 = 0xCC00B01B | trap_AC2;
1340 param->reg_DQSIC = 0x000000E2;
1341 param->reg_MRS = 0x00000C02 | trap_MRS;
1342 param->reg_EMRS = 0x00000040;
1343 param->reg_DRV = 0x000000FA;
1344 param->reg_IOZ = 0x00000034;
1345 param->reg_DQIDLY = 0x00000089;
1346 param->reg_FREQ = 0x000050C0;
1347 param->madj_max = 96;
1348 param->dll2_finetune_step = 4;
1349
1350 switch (param->dram_chipid) {
1351 case AST_DRAM_512Mx16:
1352 param->reg_AC2 = 0xCC00B016 | trap_AC2;
1353 break;
1354 default:
1355 case AST_DRAM_1Gx16:
1356 param->reg_AC2 = 0xCC00B01B | trap_AC2;
1357 break;
1358 case AST_DRAM_2Gx16:
1359 param->reg_AC2 = 0xCC00B02B | trap_AC2;
1360 break;
1361 case AST_DRAM_4Gx16:
1362 param->reg_AC2 = 0xCC00B03F | trap_AC2;
1363 break;
1364 }
1365
1366 break;
1367 case 456:
1368 ast_moutdwm(ast, 0x1E6E2020, 0x0230);
1369 param->wodt = 0;
1370 param->reg_AC1 = 0x33302815;
1371 param->reg_AC2 = 0xCD44B01E;
1372 param->reg_DQSIC = 0x000000FC;
1373 param->reg_MRS = 0x00000E72;
1374 param->reg_EMRS = 0x00000000;
1375 param->reg_DRV = 0x00000000;
1376 param->reg_IOZ = 0x00000034;
1377 param->reg_DQIDLY = 0x00000097;
1378 param->reg_FREQ = 0x000052C0;
1379 param->madj_max = 88;
1380 param->dll2_finetune_step = 3;
1381 break;
1382 case 504:
1383 ast_moutdwm(ast, 0x1E6E2020, 0x0261);
1384 param->wodt = 1;
1385 param->rodt = 1;
1386 param->reg_AC1 = 0x33302815;
1387 param->reg_AC2 = 0xDE44C022;
1388 param->reg_DQSIC = 0x00000117;
1389 param->reg_MRS = 0x00000E72;
1390 param->reg_EMRS = 0x00000040;
1391 param->reg_DRV = 0x0000000A;
1392 param->reg_IOZ = 0x00000045;
1393 param->reg_DQIDLY = 0x000000A0;
1394 param->reg_FREQ = 0x000054C0;
1395 param->madj_max = 79;
1396 param->dll2_finetune_step = 3;
1397 break;
1398 case 528:
1399 ast_moutdwm(ast, 0x1E6E2020, 0x0120);
1400 param->wodt = 1;
1401 param->rodt = 1;
1402 param->reg_AC1 = 0x33302815;
1403 param->reg_AC2 = 0xEF44D024;
1404 param->reg_DQSIC = 0x00000125;
1405 param->reg_MRS = 0x00000E72;
1406 param->reg_EMRS = 0x00000004;
1407 param->reg_DRV = 0x000000F9;
1408 param->reg_IOZ = 0x00000045;
1409 param->reg_DQIDLY = 0x000000A7;
1410 param->reg_FREQ = 0x000055C0;
1411 param->madj_max = 76;
1412 param->dll2_finetune_step = 3;
1413 break;
1414 case 552:
1415 ast_moutdwm(ast, 0x1E6E2020, 0x02A1);
1416 param->wodt = 1;
1417 param->rodt = 1;
1418 param->reg_AC1 = 0x43402915;
1419 param->reg_AC2 = 0xFF44E025;
1420 param->reg_DQSIC = 0x00000132;
1421 param->reg_MRS = 0x00000E72;
1422 param->reg_EMRS = 0x00000040;
1423 param->reg_DRV = 0x0000000A;
1424 param->reg_IOZ = 0x00000045;
1425 param->reg_DQIDLY = 0x000000AD;
1426 param->reg_FREQ = 0x000056C0;
1427 param->madj_max = 76;
1428 param->dll2_finetune_step = 3;
1429 break;
1430 case 576:
1431 ast_moutdwm(ast, 0x1E6E2020, 0x0140);
1432 param->wodt = 1;
1433 param->rodt = 1;
1434 param->reg_AC1 = 0x43402915;
1435 param->reg_AC2 = 0xFF44E027;
1436 param->reg_DQSIC = 0x0000013F;
1437 param->reg_MRS = 0x00000E72;
1438 param->reg_EMRS = 0x00000004;
1439 param->reg_DRV = 0x000000F5;
1440 param->reg_IOZ = 0x00000045;
1441 param->reg_DQIDLY = 0x000000B3;
1442 param->reg_FREQ = 0x000057C0;
1443 param->madj_max = 76;
1444 param->dll2_finetune_step = 3;
1445 break;
1446 }
1447
1448 switch (param->dram_chipid) {
1449 case AST_DRAM_512Mx16:
1450 param->dram_config = 0x100;
1451 break;
1452 default:
1453 case AST_DRAM_1Gx16:
1454 param->dram_config = 0x121;
1455 break;
1456 case AST_DRAM_2Gx16:
1457 param->dram_config = 0x122;
1458 break;
1459 case AST_DRAM_4Gx16:
1460 param->dram_config = 0x123;
1461 break;
1462 } /* switch size */
1463
1464 switch (param->vram_size) {
1465 default:
1466 case AST_VIDMEM_SIZE_8M:
1467 param->dram_config |= 0x00;
1468 break;
1469 case AST_VIDMEM_SIZE_16M:
1470 param->dram_config |= 0x04;
1471 break;
1472 case AST_VIDMEM_SIZE_32M:
1473 param->dram_config |= 0x08;
1474 break;
1475 case AST_VIDMEM_SIZE_64M:
1476 param->dram_config |= 0x0c;
1477 break;
1478 }
1479}
1480
1481static void ddr2_init(struct ast_private *ast, struct ast2300_dram_param *param)
1482{
1483 u32 data, data2, retry = 0;
1484
1485ddr2_init_start:
1486 ast_moutdwm(ast, 0x1E6E0000, 0xFC600309);
1487 ast_moutdwm(ast, 0x1E6E0018, 0x00000100);
1488 ast_moutdwm(ast, 0x1E6E0024, 0x00000000);
1489 ast_moutdwm(ast, 0x1E6E0064, param->reg_MADJ);
1490 ast_moutdwm(ast, 0x1E6E0068, param->reg_SADJ);
1491 udelay(10);
1492 ast_moutdwm(ast, 0x1E6E0064, param->reg_MADJ | 0xC0000);
1493 udelay(10);
1494
1495 ast_moutdwm(ast, 0x1E6E0004, param->dram_config);
1496 ast_moutdwm(ast, 0x1E6E0008, 0x90040f);
1497 ast_moutdwm(ast, 0x1E6E0010, param->reg_AC1);
1498 ast_moutdwm(ast, 0x1E6E0014, param->reg_AC2);
1499 ast_moutdwm(ast, 0x1E6E0020, param->reg_DQSIC);
1500 ast_moutdwm(ast, 0x1E6E0080, 0x00000000);
1501 ast_moutdwm(ast, 0x1E6E0084, 0x00000000);
1502 ast_moutdwm(ast, 0x1E6E0088, param->reg_DQIDLY);
1503 ast_moutdwm(ast, 0x1E6E0018, 0x4000A130);
1504 ast_moutdwm(ast, 0x1E6E0018, 0x00002330);
1505 ast_moutdwm(ast, 0x1E6E0038, 0x00000000);
1506 ast_moutdwm(ast, 0x1E6E0040, 0xFF808000);
1507 ast_moutdwm(ast, 0x1E6E0044, 0x88848466);
1508 ast_moutdwm(ast, 0x1E6E0048, 0x44440008);
1509 ast_moutdwm(ast, 0x1E6E004C, 0x00000000);
1510 ast_moutdwm(ast, 0x1E6E0050, 0x80000000);
1511 ast_moutdwm(ast, 0x1E6E0050, 0x00000000);
1512 ast_moutdwm(ast, 0x1E6E0054, 0);
1513 ast_moutdwm(ast, 0x1E6E0060, param->reg_DRV);
1514 ast_moutdwm(ast, 0x1E6E006C, param->reg_IOZ);
1515 ast_moutdwm(ast, 0x1E6E0070, 0x00000000);
1516 ast_moutdwm(ast, 0x1E6E0074, 0x00000000);
1517 ast_moutdwm(ast, 0x1E6E0078, 0x00000000);
1518 ast_moutdwm(ast, 0x1E6E007C, 0x00000000);
1519
1520 /* Wait MCLK2X lock to MCLK */
1521 do {
1522 data = ast_mindwm(ast, 0x1E6E001C);
1523 } while (!(data & 0x08000000));
1524 data = ast_mindwm(ast, 0x1E6E001C);
1525 data = (data >> 8) & 0xff;
1526 while ((data & 0x08) || ((data & 0x7) < 2) || (data < 4)) {
1527 data2 = (ast_mindwm(ast, 0x1E6E0064) & 0xfff3ffff) + 4;
1528 if ((data2 & 0xff) > param->madj_max) {
1529 break;
1530 }
1531 ast_moutdwm(ast, 0x1E6E0064, data2);
1532 if (data2 & 0x00100000) {
1533 data2 = ((data2 & 0xff) >> 3) + 3;
1534 } else {
1535 data2 = ((data2 & 0xff) >> 2) + 5;
1536 }
1537 data = ast_mindwm(ast, 0x1E6E0068) & 0xffff00ff;
1538 data2 += data & 0xff;
1539 data = data | (data2 << 8);
1540 ast_moutdwm(ast, 0x1E6E0068, data);
1541 udelay(10);
1542 ast_moutdwm(ast, 0x1E6E0064, ast_mindwm(ast, 0x1E6E0064) | 0xC0000);
1543 udelay(10);
1544 data = ast_mindwm(ast, 0x1E6E0018) & 0xfffff1ff;
1545 ast_moutdwm(ast, 0x1E6E0018, data);
1546 data = data | 0x200;
1547 ast_moutdwm(ast, 0x1E6E0018, data);
1548 do {
1549 data = ast_mindwm(ast, 0x1E6E001C);
1550 } while (!(data & 0x08000000));
1551
1552 data = ast_mindwm(ast, 0x1E6E001C);
1553 data = (data >> 8) & 0xff;
1554 }
1555 ast_moutdwm(ast, 0x1E720058, ast_mindwm(ast, 0x1E6E0008) & 0xffff);
1556 data = ast_mindwm(ast, 0x1E6E0018) | 0xC00;
1557 ast_moutdwm(ast, 0x1E6E0018, data);
1558
1559 ast_moutdwm(ast, 0x1E6E0034, 0x00000001);
1560 ast_moutdwm(ast, 0x1E6E000C, 0x00000000);
1561 udelay(50);
1562 /* Mode Register Setting */
1563 ast_moutdwm(ast, 0x1E6E002C, param->reg_MRS | 0x100);
1564 ast_moutdwm(ast, 0x1E6E0030, param->reg_EMRS);
1565 ast_moutdwm(ast, 0x1E6E0028, 0x00000005);
1566 ast_moutdwm(ast, 0x1E6E0028, 0x00000007);
1567 ast_moutdwm(ast, 0x1E6E0028, 0x00000003);
1568 ast_moutdwm(ast, 0x1E6E0028, 0x00000001);
1569
1570 ast_moutdwm(ast, 0x1E6E000C, 0x00005C08);
1571 ast_moutdwm(ast, 0x1E6E002C, param->reg_MRS);
1572 ast_moutdwm(ast, 0x1E6E0028, 0x00000001);
1573 ast_moutdwm(ast, 0x1E6E0030, param->reg_EMRS | 0x380);
1574 ast_moutdwm(ast, 0x1E6E0028, 0x00000003);
1575 ast_moutdwm(ast, 0x1E6E0030, param->reg_EMRS);
1576 ast_moutdwm(ast, 0x1E6E0028, 0x00000003);
1577
1578 ast_moutdwm(ast, 0x1E6E000C, 0x7FFF5C01);
1579 data = 0;
1580 if (param->wodt) {
1581 data = 0x500;
1582 }
1583 if (param->rodt) {
1584 data = data | 0x3000 | ((param->reg_AC2 & 0x60000) >> 3);
1585 }
1586 ast_moutdwm(ast, 0x1E6E0034, data | 0x3);
1587 ast_moutdwm(ast, 0x1E6E0120, param->reg_FREQ);
1588
1589 /* Calibrate the DQSI delay */
1590 if ((cbr_dll2(ast, param) == false) && (retry++ < 10))
1591 goto ddr2_init_start;
1592
1593 /* ECC Memory Initialization */
1594#ifdef ECC
1595 ast_moutdwm(ast, 0x1E6E007C, 0x00000000);
1596 ast_moutdwm(ast, 0x1E6E0070, 0x221);
1597 do {
1598 data = ast_mindwm(ast, 0x1E6E0070);
1599 } while (!(data & 0x00001000));
1600 ast_moutdwm(ast, 0x1E6E0070, 0x00000000);
1601 ast_moutdwm(ast, 0x1E6E0050, 0x80000000);
1602 ast_moutdwm(ast, 0x1E6E0050, 0x00000000);
1603#endif
1604
1605}
1606
1607static void ast_init_dram_2300(struct drm_device *dev)
1608{
1609 struct ast_private *ast = dev->dev_private;
1610 struct ast2300_dram_param param;
1611 u32 temp;
1612 u8 reg;
1613
1614 reg = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xd0, 0xff);
1615 if ((reg & 0x80) == 0) {/* vga only */
1616 ast_write32(ast, 0xf004, 0x1e6e0000);
1617 ast_write32(ast, 0xf000, 0x1);
1618 ast_write32(ast, 0x12000, 0x1688a8a8);
1619 do {
1620 ;
1621 } while (ast_read32(ast, 0x12000) != 0x1);
1622
1623 ast_write32(ast, 0x10000, 0xfc600309);
1624 do {
1625 ;
1626 } while (ast_read32(ast, 0x10000) != 0x1);
1627
1628 /* Slow down CPU/AHB CLK in VGA only mode */
1629 temp = ast_read32(ast, 0x12008);
1630 temp |= 0x73;
1631 ast_write32(ast, 0x12008, temp);
1632
1633 param.dram_type = AST_DDR3;
1634 if (temp & 0x01000000)
1635 param.dram_type = AST_DDR2;
1636 param.dram_chipid = ast->dram_type;
1637 param.dram_freq = ast->mclk;
1638 param.vram_size = ast->vram_size;
1639
1640 if (param.dram_type == AST_DDR3) {
1641 get_ddr3_info(ast, ¶m);
1642 ddr3_init(ast, ¶m);
1643 } else {
1644 get_ddr2_info(ast, ¶m);
1645 ddr2_init(ast, ¶m);
1646 }
1647
1648 temp = ast_mindwm(ast, 0x1e6e2040);
1649 ast_moutdwm(ast, 0x1e6e2040, temp | 0x40);
1650 }
1651
1652 /* wait ready */
1653 do {
1654 reg = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xd0, 0xff);
1655 } while ((reg & 0x40) == 0);
1656}
1657