1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
|
/*
* Copyright (C) 2016 Freescale Semiconductor, Inc.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <asm/arch/clock.h>
#include <asm/arch/crm_regs.h>
#include <asm/arch/iomux.h>
#include <asm/arch/imx-regs.h>
#include <asm/arch/mx6-pins.h>
#include <asm/arch/sys_proto.h>
#include <asm/arch-mx6/clock.h>
#include <asm/gpio.h>
#include <asm/imx-common/iomux-v3.h>
#include <asm/imx-common/boot_mode.h>
#include <asm/imx-common/mxc_i2c.h>
#include <asm/io.h>
#include <common.h>
#include <fsl_esdhc.h>
#include <i2c.h>
#include <linux/sizes.h>
#include <linux/fb.h>
#include <miiphy.h>
#include <mmc.h>
#include <mxsfb.h>
#include <netdev.h>
#include <power/pmic.h>
#include <power/pfuze100_pmic.h>
#include "../common/pfuze.h"
#include <usb.h>
#include <usb/ehci-fsl.h>
#if defined(CONFIG_MXC_EPDC)
#include <lcd.h>
#include <mxc_epdc_fb.h>
#endif
#include <asm/imx-common/video.h>
DECLARE_GLOBAL_DATA_PTR;
#define UART_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS)
#define USDHC_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
PAD_CTL_PUS_22K_UP | PAD_CTL_SPEED_LOW | \
PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS)
#define USDHC_PAD_CTRL_WP (PAD_CTL_PKE | PAD_CTL_PUE | \
PAD_CTL_PUS_100K_DOWN | PAD_CTL_SPEED_LOW | \
PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS)
#define I2C_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \
PAD_CTL_ODE)
#define LCD_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_PUS_100K_UP | PAD_CTL_PUE | \
PAD_CTL_PKE | PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm)
#define OTG_ID_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
PAD_CTL_PUS_47K_UP | PAD_CTL_SPEED_LOW | \
PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS)
#define SPI_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_SPEED_MED | \
PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST)
#define LCD_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_PUS_100K_UP | PAD_CTL_PUE | \
PAD_CTL_PKE | PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm)
#define EPDC_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_SPEED_MED | \
PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST)
#ifdef CONFIG_SYS_I2C_MXC
#define PC MUX_PAD_CTRL(I2C_PAD_CTRL)
/* I2C1 for PMIC and EPD */
struct i2c_pads_info i2c_pad_info1 = {
.scl = {
/* conflict with usb_otg2_pwr */
.i2c_mode = MX6_PAD_I2C1_SCL__I2C1_SCL | PC,
.gpio_mode = MX6_PAD_I2C1_SCL__GPIO3_IO12 | PC,
.gp = IMX_GPIO_NR(3, 12),
},
.sda = {
/* conflict with usb_otg2_oc */
.i2c_mode = MX6_PAD_I2C1_SDA__I2C1_SDA | PC,
.gpio_mode = MX6_PAD_I2C1_SDA__GPIO3_IO13 | PC,
.gp = IMX_GPIO_NR(3, 13),
},
};
/* I2C2 for LCD and ADV */
struct i2c_pads_info i2c_pad_info2 = {
.scl = {
.i2c_mode = MX6_PAD_I2C2_SCL__I2C2_SCL | PC,
.gpio_mode = MX6_PAD_I2C2_SCL__GPIO3_IO14 | PC,
.gp = IMX_GPIO_NR(3, 14),
},
.sda = {
.i2c_mode = MX6_PAD_I2C2_SDA__I2C2_SDA | PC,
.gpio_mode = MX6_PAD_I2C2_SDA__GPIO3_IO15 | PC,
.gp = IMX_GPIO_NR(3, 15),
},
};
#endif
int dram_init(void)
{
gd->ram_size = PHYS_SDRAM_SIZE;
return 0;
}
static iomux_v3_cfg_t const wdog_pads[] = {
MX6_PAD_WDOG_B__WDOG1_B | MUX_PAD_CTRL(NO_PAD_CTRL),
};
static iomux_v3_cfg_t const led_pads[] = {
MX6_PAD_EPDC_VCOM1__GPIO2_IO04 | MUX_PAD_CTRL(UART_PAD_CTRL),
};
static iomux_v3_cfg_t const uart1_pads[] = {
MX6_PAD_UART1_TXD__UART1_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
MX6_PAD_UART1_RXD__UART1_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
};
/* 8bit SD1 */
static iomux_v3_cfg_t const usdhc1_pads[] = {
MX6_PAD_SD1_CLK__SD1_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD1_CMD__SD1_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD1_DATA0__SD1_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD1_DATA1__SD1_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD1_DATA2__SD1_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD1_DATA3__SD1_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD1_DATA4__SD1_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD1_DATA5__SD1_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD1_DATA6__SD1_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD1_DATA7__SD1_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
/* CD */
MX6_PAD_KEY_ROW7__GPIO4_IO07 | MUX_PAD_CTRL(NO_PAD_CTRL),
/* WP */
MX6_PAD_GPIO4_IO22__SD1_WP | MUX_PAD_CTRL(NO_PAD_CTRL),
};
/* EMMC */
static iomux_v3_cfg_t const usdhc2_pads[] = {
MX6_PAD_SD2_CLK__SD2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD2_CMD__SD2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD2_DATA0__SD2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD2_DATA1__SD2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD2_DATA2__SD2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD2_DATA3__SD2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD2_DATA4__SD2_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD2_DATA5__SD2_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD2_DATA6__SD2_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD2_DATA7__SD2_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
/* DQS */
MX6_PAD_GPIO4_IO21__SD2_STROBE | MUX_PAD_CTRL(NO_PAD_CTRL),
/* RST_B */
MX6_PAD_SD2_RESET__GPIO4_IO27 | MUX_PAD_CTRL(USDHC_PAD_CTRL | PAD_CTL_LVE),
};
/* Wifi SD */
static iomux_v3_cfg_t const usdhc3_pads[] = {
MX6_PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD3_DATA0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD3_DATA1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD3_DATA2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD3_DATA3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
/* CD */
MX6_PAD_REF_CLK_32K__GPIO3_IO22 | MUX_PAD_CTRL(NO_PAD_CTRL),
};
static void setup_iomux_uart(void)
{
imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
imx_iomux_v3_setup_multiple_pads(led_pads, ARRAY_SIZE(led_pads));
}
#ifdef CONFIG_FSL_ESDHC
static struct fsl_esdhc_cfg usdhc_cfg[CONFIG_SYS_FSL_USDHC_NUM] = {
{USDHC1_BASE_ADDR, 0, 8, 1},
{USDHC2_BASE_ADDR, 0, 8, 0, 1}, /* fixed 1.8v IO voltage for eMMC chip */
{USDHC3_BASE_ADDR, 0, 4},
};
#define USDHC1_CD_GPIO IMX_GPIO_NR(4, 7)
#define USDHC2_PWR_GPIO IMX_GPIO_NR(4, 27)
#define USDHC3_CD_GPIO IMX_GPIO_NR(3, 22)
int board_mmc_get_env_dev(int devno)
{
return devno;
}
int mmc_map_to_kernel_blk(int devno)
{
return devno;
}
int board_mmc_getcd(struct mmc *mmc)
{
struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
int ret = 0;
switch (cfg->esdhc_base) {
case USDHC1_BASE_ADDR:
ret = !gpio_get_value(USDHC1_CD_GPIO);
break;
case USDHC2_BASE_ADDR:
ret = 1;
break;
case USDHC3_BASE_ADDR:
ret = !gpio_get_value(USDHC3_CD_GPIO);
break;
}
return ret;
}
int board_mmc_init(bd_t *bis)
{
int i;
/*
* According to the board_mmc_init() the following map is done:
* (U-boot device node) (Physical Port)
* mmc0 USDHC1
* mmc1 USDHC2
* mmc2 USDHC3
*/
for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) {
switch (i) {
case 0:
imx_iomux_v3_setup_multiple_pads(
usdhc1_pads, ARRAY_SIZE(usdhc1_pads));
gpio_direction_input(USDHC1_CD_GPIO);
usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
break;
case 1:
imx_iomux_v3_setup_multiple_pads(
usdhc2_pads, ARRAY_SIZE(usdhc2_pads));
usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
gpio_direction_output(USDHC2_PWR_GPIO, 1);
break;
case 2:
imx_iomux_v3_setup_multiple_pads(
usdhc3_pads, ARRAY_SIZE(usdhc3_pads));
gpio_direction_input(USDHC3_CD_GPIO);
usdhc_cfg[2].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
break;
default:
printf("Warning: you configured more USDHC controllers (%d) than supported by the board\n", i + 1);
return 0;
}
if (fsl_esdhc_initialize(bis, &usdhc_cfg[i]))
printf("Warning: failed to initialize mmc dev %d\n", i);
}
return 0;
}
#endif
#ifdef CONFIG_POWER
#define I2C_PMIC 0
static struct pmic *pfuze;
int power_init_board(void)
{
int ret;
u32 rev_id, value;
ret = power_pfuze100_init(I2C_PMIC);
if (ret)
return ret;
pfuze = pmic_get("PFUZE100");
if (!pfuze)
return -ENODEV;
ret = pmic_probe(pfuze);
if (ret)
return ret;
ret = pfuze_mode_init(pfuze, APS_PFM);
if (ret < 0)
return ret;
pmic_reg_read(pfuze, PFUZE100_DEVICEID, &value);
pmic_reg_read(pfuze, PFUZE100_REVID, &rev_id);
printf("PMIC: PFUZE100! DEV_ID=0x%x REV_ID=0x%x\n", value, rev_id);
/* set SW1AB standby volatage 0.975V */
pmic_reg_read(pfuze, PFUZE100_SW1ABSTBY, &value);
value &= ~0x3f;
value |= PFUZE100_SW1ABC_SETP(9750);
pmic_reg_write(pfuze, PFUZE100_SW1ABSTBY, value);
/* set SW1AB/VDDARM step ramp up time from 16us to 4us/25mV */
pmic_reg_read(pfuze, PFUZE100_SW1ABCONF, &value);
value &= ~0xc0;
value |= 0x40;
pmic_reg_write(pfuze, PFUZE100_SW1ABCONF, value);
/* set SW1C staby volatage 0.975V */
pmic_reg_read(pfuze, PFUZE100_SW1CSTBY, &value);
value &= ~0x3f;
value |= 0x1b;
pmic_reg_write(pfuze, PFUZE100_SW1CSTBY, value);
/* set SW1C/VDDSOC step ramp up time to from 16us to 4us/25mV */
pmic_reg_read(pfuze, PFUZE100_SW1CCONF, &value);
value &= ~0xc0;
value |= 0x40;
pmic_reg_write(pfuze, PFUZE100_SW1CCONF, value);
return 0;
}
#endif
#ifdef CONFIG_MXC_SPI
iomux_v3_cfg_t const ecspi1_pads[] = {
MX6_PAD_ECSPI1_SCLK__ECSPI1_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL),
MX6_PAD_ECSPI1_MOSI__ECSPI1_MOSI | MUX_PAD_CTRL(SPI_PAD_CTRL),
MX6_PAD_ECSPI1_MISO__ECSPI1_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL),
/* CS0 */
MX6_PAD_ECSPI1_SS0__GPIO4_IO11 | MUX_PAD_CTRL(NO_PAD_CTRL),
};
void setup_spinor(void)
{
imx_iomux_v3_setup_multiple_pads(ecspi1_pads,
ARRAY_SIZE(ecspi1_pads));
gpio_direction_output(IMX_GPIO_NR(4, 11), 0);
}
int board_spi_cs_gpio(unsigned bus, unsigned cs)
{
return (bus == 0 && cs == 0) ? (IMX_GPIO_NR(4, 11)) : -1;
}
#endif
#ifdef CONFIG_VIDEO_MXS
static iomux_v3_cfg_t const lcd_pads[] = {
MX6_PAD_LCD_CLK__LCD_CLK | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD_ENABLE__LCD_ENABLE | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD_HSYNC__LCD_HSYNC | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD_VSYNC__LCD_VSYNC | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD_DATA00__LCD_DATA00 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD_DATA01__LCD_DATA01 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD_DATA02__LCD_DATA02 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD_DATA03__LCD_DATA03 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD_DATA04__LCD_DATA04 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD_DATA05__LCD_DATA05 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD_DATA06__LCD_DATA06 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD_DATA07__LCD_DATA07 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD_DATA08__LCD_DATA08 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD_DATA09__LCD_DATA09 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD_DATA10__LCD_DATA10 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD_DATA11__LCD_DATA11 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD_DATA12__LCD_DATA12 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD_DATA13__LCD_DATA13 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD_DATA14__LCD_DATA14 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD_DATA15__LCD_DATA15 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD_DATA16__LCD_DATA16 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD_DATA17__LCD_DATA17 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD_DATA18__LCD_DATA18 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD_DATA19__LCD_DATA19 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD_DATA20__LCD_DATA20 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD_DATA21__LCD_DATA21 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD_DATA22__LCD_DATA22 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD_DATA23__LCD_DATA23 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_ECSPI1_SCLK__GPIO4_IO08 | MUX_PAD_CTRL(NO_PAD_CTRL),
MX6_PAD_LCD_RESET__GPIO2_IO19 | MUX_PAD_CTRL(NO_PAD_CTRL),
/* Use GPIO for Brightness adjustment, duty cycle = period */
MX6_PAD_PWM1__GPIO3_IO23 | MUX_PAD_CTRL(NO_PAD_CTRL),
};
void do_enable_parallel_lcd(struct display_info_t const *dev)
{
int ret;
ret = enable_lcdif_clock(dev->bus);
if (ret) {
printf("Enable LCDIF clock failed, %d\n", ret);
return;
}
imx_iomux_v3_setup_multiple_pads(lcd_pads, ARRAY_SIZE(lcd_pads));
/* Reset the LCD */
gpio_direction_output(IMX_GPIO_NR(2, 19) , 0);
udelay(500);
gpio_direction_output(IMX_GPIO_NR(2, 19) , 1);
gpio_direction_output(IMX_GPIO_NR(4, 8) , 1);
/* Set Brightness to high */
gpio_direction_output(IMX_GPIO_NR(3, 23) , 1);
}
struct display_info_t const displays[] = {{
.bus = MX6SLL_LCDIF_BASE_ADDR,
.addr = 0,
.pixfmt = 24,
.detect = NULL,
.enable = do_enable_parallel_lcd,
.mode = {
.name = "MCIMX28LCD",
.xres = 800,
.yres = 480,
.pixclock = 29850,
.left_margin = 89,
.right_margin = 164,
.upper_margin = 23,
.lower_margin = 10,
.hsync_len = 10,
.vsync_len = 10,
.sync = 0,
.vmode = FB_VMODE_NONINTERLACED
} } };
size_t display_count = ARRAY_SIZE(displays);
#endif
#ifdef CONFIG_MXC_EPDC
static iomux_v3_cfg_t const epdc_enable_pads[] = {
MX6_PAD_EPDC_DATA00__EPDC_DATA00 | MUX_PAD_CTRL(EPDC_PAD_CTRL),
MX6_PAD_EPDC_DATA01__EPDC_DATA01 | MUX_PAD_CTRL(EPDC_PAD_CTRL),
MX6_PAD_EPDC_DATA02__EPDC_DATA02 | MUX_PAD_CTRL(EPDC_PAD_CTRL),
MX6_PAD_EPDC_DATA03__EPDC_DATA03 | MUX_PAD_CTRL(EPDC_PAD_CTRL),
MX6_PAD_EPDC_DATA04__EPDC_DATA04 | MUX_PAD_CTRL(EPDC_PAD_CTRL),
MX6_PAD_EPDC_DATA05__EPDC_DATA05 | MUX_PAD_CTRL(EPDC_PAD_CTRL),
MX6_PAD_EPDC_DATA06__EPDC_DATA06 | MUX_PAD_CTRL(EPDC_PAD_CTRL),
MX6_PAD_EPDC_DATA07__EPDC_DATA07 | MUX_PAD_CTRL(EPDC_PAD_CTRL),
MX6_PAD_EPDC_DATA08__EPDC_DATA08 | MUX_PAD_CTRL(EPDC_PAD_CTRL),
MX6_PAD_EPDC_DATA09__EPDC_DATA09 | MUX_PAD_CTRL(EPDC_PAD_CTRL),
MX6_PAD_EPDC_DATA10__EPDC_DATA10 | MUX_PAD_CTRL(EPDC_PAD_CTRL),
MX6_PAD_EPDC_DATA11__EPDC_DATA11 | MUX_PAD_CTRL(EPDC_PAD_CTRL),
MX6_PAD_EPDC_DATA12__EPDC_DATA12 | MUX_PAD_CTRL(EPDC_PAD_CTRL),
MX6_PAD_EPDC_DATA13__EPDC_DATA13 | MUX_PAD_CTRL(EPDC_PAD_CTRL),
MX6_PAD_EPDC_DATA14__EPDC_DATA14 | MUX_PAD_CTRL(EPDC_PAD_CTRL),
MX6_PAD_EPDC_DATA15__EPDC_DATA15 | MUX_PAD_CTRL(EPDC_PAD_CTRL),
MX6_PAD_EPDC_SDCLK__EPDC_SDCLK_P | MUX_PAD_CTRL(EPDC_PAD_CTRL),
MX6_PAD_EPDC_SDLE__EPDC_SDLE | MUX_PAD_CTRL(EPDC_PAD_CTRL),
MX6_PAD_EPDC_SDOE__EPDC_SDOE | MUX_PAD_CTRL(EPDC_PAD_CTRL),
MX6_PAD_EPDC_SDSHR__EPDC_SDSHR | MUX_PAD_CTRL(EPDC_PAD_CTRL),
MX6_PAD_EPDC_SDCE0__EPDC_SDCE0 | MUX_PAD_CTRL(EPDC_PAD_CTRL),
MX6_PAD_EPDC_GDCLK__EPDC_GDCLK | MUX_PAD_CTRL(EPDC_PAD_CTRL),
MX6_PAD_EPDC_GDOE__EPDC_GDOE | MUX_PAD_CTRL(EPDC_PAD_CTRL),
MX6_PAD_EPDC_GDRL__EPDC_GDRL | MUX_PAD_CTRL(EPDC_PAD_CTRL),
MX6_PAD_EPDC_GDSP__EPDC_GDSP | MUX_PAD_CTRL(EPDC_PAD_CTRL),
};
static iomux_v3_cfg_t const epdc_disable_pads[] = {
MX6_PAD_EPDC_DATA01__GPIO1_IO08,
MX6_PAD_EPDC_DATA02__GPIO1_IO09,
MX6_PAD_EPDC_DATA03__GPIO1_IO10,
MX6_PAD_EPDC_DATA04__GPIO1_IO11,
MX6_PAD_EPDC_DATA05__GPIO1_IO12,
MX6_PAD_EPDC_DATA06__GPIO1_IO13,
MX6_PAD_EPDC_DATA07__GPIO1_IO14,
MX6_PAD_EPDC_DATA08__GPIO1_IO15,
MX6_PAD_EPDC_DATA09__GPIO1_IO16,
MX6_PAD_EPDC_DATA10__GPIO1_IO17,
MX6_PAD_EPDC_DATA11__GPIO1_IO18,
MX6_PAD_EPDC_DATA12__GPIO1_IO19,
MX6_PAD_EPDC_DATA13__GPIO1_IO20,
MX6_PAD_EPDC_DATA14__GPIO1_IO21,
MX6_PAD_EPDC_DATA15__GPIO1_IO22,
MX6_PAD_EPDC_SDCLK__GPIO1_IO23,
MX6_PAD_EPDC_SDLE__GPIO1_IO24,
MX6_PAD_EPDC_SDOE__GPIO1_IO25,
MX6_PAD_EPDC_SDSHR__GPIO1_IO26,
MX6_PAD_EPDC_SDCE0__GPIO1_IO27,
MX6_PAD_EPDC_GDCLK__GPIO1_IO31,
MX6_PAD_EPDC_GDOE__GPIO2_IO00,
MX6_PAD_EPDC_GDRL__GPIO2_IO01,
MX6_PAD_EPDC_GDSP__GPIO2_IO02,
};
vidinfo_t panel_info = {
.vl_refresh = 85,
.vl_col = 1024,
.vl_row = 758,
.vl_pixclock = 40000000,
.vl_left_margin = 12,
.vl_right_margin = 76,
.vl_upper_margin = 4,
.vl_lower_margin = 5,
.vl_hsync = 12,
.vl_vsync = 2,
.vl_sync = 0,
.vl_mode = 0,
.vl_flag = 0,
.vl_bpix = 3,
.cmap = 0,
};
struct epdc_timing_params panel_timings = {
.vscan_holdoff = 4,
.sdoed_width = 10,
.sdoed_delay = 20,
.sdoez_width = 10,
.sdoez_delay = 20,
.gdclk_hp_offs = 524,
.gdsp_offs = 327,
.gdoe_offs = 0,
.gdclk_offs = 19,
.num_ce = 1,
};
static void setup_epdc_power(void)
{
/* Setup epdc voltage */
/* EPDC_PWRSTAT - GPIO2[13] for PWR_GOOD status */
imx_iomux_v3_setup_pad(MX6_PAD_EPDC_PWR_STAT__GPIO2_IO13 |
MUX_PAD_CTRL(EPDC_PAD_CTRL));
gpio_direction_input(IMX_GPIO_NR(2, 13));
/* EPDC_VCOM0 - GPIO2[03] for VCOM control */
imx_iomux_v3_setup_pad(MX6_PAD_EPDC_VCOM0__GPIO2_IO03 |
MUX_PAD_CTRL(EPDC_PAD_CTRL));
/* Set as output */
gpio_direction_output(IMX_GPIO_NR(2, 3), 1);
/* EPDC_PWRWAKEUP - GPIO2[14] for EPD PMIC WAKEUP */
imx_iomux_v3_setup_pad(MX6_PAD_EPDC_PWR_WAKE__GPIO2_IO14 |
MUX_PAD_CTRL(EPDC_PAD_CTRL));
/* Set as output */
gpio_direction_output(IMX_GPIO_NR(2, 14), 1);
/* EPDC_PWRCTRL0 - GPIO2[07] for EPD PWR CTL0 */
imx_iomux_v3_setup_pad(MX6_PAD_EPDC_PWR_CTRL0__GPIO2_IO07 |
MUX_PAD_CTRL(EPDC_PAD_CTRL));
/* Set as output */
gpio_direction_output(IMX_GPIO_NR(2, 7), 1);
}
static void epdc_enable_pins(void)
{
/* epdc iomux settings */
imx_iomux_v3_setup_multiple_pads(epdc_enable_pads,
ARRAY_SIZE(epdc_enable_pads));
}
static void epdc_disable_pins(void)
{
/* Configure MUX settings for EPDC pins to GPIO and drive to 0 */
imx_iomux_v3_setup_multiple_pads(epdc_disable_pads,
ARRAY_SIZE(epdc_disable_pads));
}
static void setup_epdc(void)
{
/*** epdc Maxim PMIC settings ***/
/* EPDC_PWRSTAT - GPIO2[13] for PWR_GOOD status */
imx_iomux_v3_setup_pad(MX6_PAD_EPDC_PWR_STAT__GPIO2_IO13 |
MUX_PAD_CTRL(EPDC_PAD_CTRL));
/* EPDC_VCOM0 - GPIO2[03] for VCOM control */
imx_iomux_v3_setup_pad(MX6_PAD_EPDC_VCOM0__GPIO2_IO03 |
MUX_PAD_CTRL(EPDC_PAD_CTRL));
/* EPDC_PWRWAKEUP - GPIO2[14] for EPD PMIC WAKEUP */
imx_iomux_v3_setup_pad(MX6_PAD_EPDC_PWR_WAKE__GPIO2_IO14 |
MUX_PAD_CTRL(EPDC_PAD_CTRL));
/* EPDC_PWRCTRL0 - GPIO2[07] for EPD PWR CTL0 */
imx_iomux_v3_setup_pad(MX6_PAD_EPDC_PWR_CTRL0__GPIO2_IO07 |
MUX_PAD_CTRL(EPDC_PAD_CTRL));
/* Set pixel clock rates for EPDC in clock.c */
panel_info.epdc_data.wv_modes.mode_init = 0;
panel_info.epdc_data.wv_modes.mode_du = 1;
panel_info.epdc_data.wv_modes.mode_gc4 = 3;
panel_info.epdc_data.wv_modes.mode_gc8 = 2;
panel_info.epdc_data.wv_modes.mode_gc16 = 2;
panel_info.epdc_data.wv_modes.mode_gc32 = 2;
panel_info.epdc_data.epdc_timings = panel_timings;
setup_epdc_power();
}
void epdc_power_on(void)
{
unsigned int reg;
struct gpio_regs *gpio_regs = (struct gpio_regs *)GPIO2_BASE_ADDR;
/* Set EPD_PWR_CTL0 to high - enable EINK_VDD (3.15) */
gpio_set_value(IMX_GPIO_NR(2, 7), 1);
udelay(1000);
/* Enable epdc signal pin */
epdc_enable_pins();
/* Set PMIC Wakeup to high - enable Display power */
gpio_set_value(IMX_GPIO_NR(2, 14), 1);
/* Wait for PWRGOOD == 1 */
while (1) {
reg = readl(&gpio_regs->gpio_psr);
if (!(reg & (1 << 13)))
break;
udelay(100);
}
/* Enable VCOM */
gpio_set_value(IMX_GPIO_NR(2, 3), 1);
udelay(500);
}
void epdc_power_off(void)
{
/* Set PMIC Wakeup to low - disable Display power */
gpio_set_value(IMX_GPIO_NR(2, 14), 0);
/* Disable VCOM */
gpio_set_value(IMX_GPIO_NR(2, 3), 0);
epdc_disable_pins();
/* Set EPD_PWR_CTL0 to low - disable EINK_VDD (3.15) */
gpio_set_value(IMX_GPIO_NR(2, 7), 0);
}
#endif
#ifdef CONFIG_USB_EHCI_MX6
#define USB_OTHERREGS_OFFSET 0x800
#define UCTRL_PWR_POL (1 << 9)
iomux_v3_cfg_t const usb_otg1_pads[] = {
MX6_PAD_KEY_COL4__USB_OTG1_PWR | MUX_PAD_CTRL(NO_PAD_CTRL),
MX6_PAD_KEY_ROW4__USB_OTG1_OC | MUX_PAD_CTRL(NO_PAD_CTRL),
MX6_PAD_EPDC_PWR_COM__USB_OTG1_ID | MUX_PAD_CTRL(OTG_ID_PAD_CTRL),
};
iomux_v3_cfg_t const usb_otg2_pads[] = {
MX6_PAD_KEY_COL5__USB_OTG2_PWR | MUX_PAD_CTRL(NO_PAD_CTRL),
MX6_PAD_ECSPI2_SCLK__USB_OTG2_OC | MUX_PAD_CTRL(NO_PAD_CTRL),
MX6_PAD_EPDC_PWR_IRQ__USB_OTG2_ID | MUX_PAD_CTRL(OTG_ID_PAD_CTRL),
};
int board_usb_phy_mode(int port)
{
return usb_phy_mode(port);
}
int board_ehci_hcd_init(int port)
{
u32 *usbnc_usb_ctrl;
if (port > 1)
return -EINVAL;
switch (port) {
case 0:
imx_iomux_v3_setup_multiple_pads(usb_otg1_pads,
ARRAY_SIZE(usb_otg1_pads));
break;
case 1:
imx_iomux_v3_setup_multiple_pads(usb_otg2_pads,
ARRAY_SIZE(usb_otg2_pads));
break;
default:
printf("MXC USB port %d not yet supported\n", port);
return 1;
}
usbnc_usb_ctrl = (u32 *)(USB_BASE_ADDR + USB_OTHERREGS_OFFSET +
port * 4);
/* Set Power polarity */
setbits_le32(usbnc_usb_ctrl, UCTRL_PWR_POL);
return 0;
}
#endif
int board_early_init_f(void)
{
setup_iomux_uart();
enable_uart_clk(true);
return 0;
}
int board_init(void)
{
/* Address of boot parameters */
gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
#ifdef CONFIG_SYS_I2C_MXC
setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1);
setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info2);
#endif
#ifdef CONFIG_MXC_SPI
setup_spinor();
#endif
#ifdef CONFIG_MXC_EPDC
enable_epdc_clock();
setup_epdc();
#endif
return 0;
}
int board_late_init(void)
{
#ifdef CONFIG_ENV_IS_IN_MMC
board_late_mmc_env_init();
#endif
imx_iomux_v3_setup_multiple_pads(wdog_pads, ARRAY_SIZE(wdog_pads));
set_wdog_reset((struct wdog_regs *)WDOG1_BASE_ADDR);
return 0;
}
u32 get_board_rev(void)
{
return get_cpu_rev();
}
int checkboard(void)
{
#ifdef CONFIG_LPDDR2
puts("Board: MX6SLL LPDDR2 ARM2\n");
#else
puts("Board: MX6SLL LPDDR3 ARM2\n");
#endif
return 0;
}
|