summaryrefslogtreecommitdiff
path: root/board/freescale/mx7dsabresd/mx7dsabresd.c
blob: 11e294af134a5a182e6654d3a15f7a5c3db511aa (plain)
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
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
/*
 * Copyright (C) 2015-2016 Freescale Semiconductor, Inc.
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#include <asm/arch/clock.h>
#include <asm/arch/imx-regs.h>
#include <asm/arch/mx7-pins.h>
#include <asm/arch/sys_proto.h>
#include <asm/gpio.h>
#include <asm/imx-common/iomux-v3.h>
#include <asm/imx-common/boot_mode.h>
#include <asm/io.h>
#include <linux/sizes.h>
#include <common.h>
#include <fsl_esdhc.h>
#include <mmc.h>
#include <miiphy.h>
#include <netdev.h>
#include <power/pmic.h>
#include <power/pfuze3000_pmic.h>
#include "../common/pfuze.h"
#include <i2c.h>
#include <asm/imx-common/mxc_i2c.h>
#include <asm/arch/crm_regs.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_DSE_3P3V_49OHM | \
	PAD_CTL_PUS_PU100KOHM | PAD_CTL_HYS)

#define USDHC_PAD_CTRL (PAD_CTL_DSE_3P3V_32OHM | PAD_CTL_SRE_SLOW | \
	PAD_CTL_HYS | PAD_CTL_PUE | PAD_CTL_PUS_PU47KOHM)

#define ENET_PAD_CTRL  (PAD_CTL_PUS_PU100KOHM | PAD_CTL_DSE_3P3V_49OHM)
#define ENET_PAD_CTRL_MII  (PAD_CTL_DSE_3P3V_32OHM)

#define ENET_RX_PAD_CTRL  (PAD_CTL_PUS_PU100KOHM | PAD_CTL_DSE_3P3V_49OHM)

#define I2C_PAD_CTRL    (PAD_CTL_DSE_3P3V_32OHM | PAD_CTL_SRE_SLOW | \
	PAD_CTL_HYS | PAD_CTL_PUE | PAD_CTL_PUS_PU100KOHM)

#define LCD_PAD_CTRL    (PAD_CTL_HYS | PAD_CTL_PUS_PU100KOHM | \
	PAD_CTL_DSE_3P3V_49OHM)

#define QSPI_PAD_CTRL	\
	(PAD_CTL_DSE_3P3V_49OHM | PAD_CTL_PUE | PAD_CTL_PUS_PU47KOHM)

#define SPI_PAD_CTRL (PAD_CTL_DSE_3P3V_49OHM | PAD_CTL_SRE_SLOW | PAD_CTL_HYS)

#define BUTTON_PAD_CTRL    (PAD_CTL_PUS_PU5KOHM | PAD_CTL_DSE_3P3V_98OHM)

#define NAND_PAD_CTRL (PAD_CTL_DSE_3P3V_49OHM | PAD_CTL_SRE_SLOW | PAD_CTL_HYS)

#define NAND_PAD_READY0_CTRL (PAD_CTL_DSE_3P3V_49OHM | PAD_CTL_PUS_PU5KOHM)

#define EPDC_PAD_CTRL	0x0

#ifdef CONFIG_SYS_I2C_MXC
#define PC MUX_PAD_CTRL(I2C_PAD_CTRL)
/* I2C1 for PMIC */
static struct i2c_pads_info i2c_pad_info1 = {
	.scl = {
		.i2c_mode = MX7D_PAD_I2C1_SCL__I2C1_SCL | PC,
		.gpio_mode = MX7D_PAD_I2C1_SCL__GPIO4_IO8 | PC,
		.gp = IMX_GPIO_NR(4, 8),
	},
	.sda = {
		.i2c_mode = MX7D_PAD_I2C1_SDA__I2C1_SDA | PC,
		.gpio_mode = MX7D_PAD_I2C1_SDA__GPIO4_IO9 | PC,
		.gp = IMX_GPIO_NR(4, 9),
	},
};

/* I2C3 */
static struct i2c_pads_info i2c_pad_info3 = {
	.scl = {
		.i2c_mode = MX7D_PAD_I2C3_SCL__I2C3_SCL | PC,
		.gpio_mode = MX7D_PAD_I2C3_SCL__GPIO4_IO12 | PC,
		.gp = IMX_GPIO_NR(4, 12),
	},
	.sda = {
		.i2c_mode = MX7D_PAD_I2C3_SDA__I2C3_SDA | PC,
		.gpio_mode = MX7D_PAD_I2C3_SDA__GPIO4_IO13 | PC,
		.gp = IMX_GPIO_NR(4, 13),
	},
};
#endif

int dram_init(void)
{
	gd->ram_size = PHYS_SDRAM_SIZE;

	return 0;
}

static iomux_v3_cfg_t const wdog_pads[] = {
	MX7D_PAD_GPIO1_IO00__WDOG1_WDOG_B | MUX_PAD_CTRL(NO_PAD_CTRL),
};

static iomux_v3_cfg_t const uart1_pads[] = {
	MX7D_PAD_UART1_TX_DATA__UART1_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
	MX7D_PAD_UART1_RX_DATA__UART1_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
};

static iomux_v3_cfg_t const usdhc1_pads[] = {
	MX7D_PAD_SD1_CLK__SD1_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
	MX7D_PAD_SD1_CMD__SD1_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
	MX7D_PAD_SD1_DATA0__SD1_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
	MX7D_PAD_SD1_DATA1__SD1_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
	MX7D_PAD_SD1_DATA2__SD1_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
	MX7D_PAD_SD1_DATA3__SD1_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),

	MX7D_PAD_SD1_CD_B__GPIO5_IO0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
	MX7D_PAD_SD1_RESET_B__GPIO5_IO2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
};

static iomux_v3_cfg_t const usdhc3_emmc_pads[] = {
	MX7D_PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
	MX7D_PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
	MX7D_PAD_SD3_DATA0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
	MX7D_PAD_SD3_DATA1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
	MX7D_PAD_SD3_DATA2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
	MX7D_PAD_SD3_DATA3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
	MX7D_PAD_SD3_DATA4__SD3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
	MX7D_PAD_SD3_DATA5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
	MX7D_PAD_SD3_DATA6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
	MX7D_PAD_SD3_DATA7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
	MX7D_PAD_SD3_STROBE__SD3_STROBE	 | MUX_PAD_CTRL(USDHC_PAD_CTRL),

	MX7D_PAD_SD3_RESET_B__GPIO6_IO11 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
};

#define IOX_SDI IMX_GPIO_NR(1, 9)
#define IOX_STCP IMX_GPIO_NR(1, 12)
#define IOX_SHCP IMX_GPIO_NR(1, 13)

static iomux_v3_cfg_t const iox_pads[] = {
	/* IOX_SDI */
	MX7D_PAD_GPIO1_IO09__GPIO1_IO9	| MUX_PAD_CTRL(NO_PAD_CTRL),
	/* IOX_STCP */
	MX7D_PAD_GPIO1_IO12__GPIO1_IO12	| MUX_PAD_CTRL(NO_PAD_CTRL),
	/* IOX_SHCP */
	MX7D_PAD_GPIO1_IO13__GPIO1_IO13	| MUX_PAD_CTRL(NO_PAD_CTRL),
};

/*
 * PCIE_DIS_B --> Q0
 * PCIE_RST_B --> Q1
 * HDMI_RST_B --> Q2
 * PERI_RST_B --> Q3
 * SENSOR_RST_B --> Q4
 * ENET_RST_B --> Q5
 * PERI_3V3_EN --> Q6
 * LCD_PWR_EN --> Q7
 */
enum qn {
	PCIE_DIS_B,
	PCIE_RST_B,
	HDMI_RST_B,
	PERI_RST_B,
	SENSOR_RST_B,
	ENET_RST_B,
	PERI_3V3_EN,
	LCD_PWR_EN,
};

enum qn_func {
	qn_reset,
	qn_enable,
	qn_disable,
};

enum qn_level {
	qn_low = 0,
	qn_high = 1,
};

static enum qn_level seq[3][2] = {
	{0, 1}, {1, 1}, {0, 0}
};

static enum qn_func qn_output[8] = {
	qn_disable, qn_reset, qn_reset, qn_reset, qn_reset, qn_reset, qn_enable,
	qn_enable
};

static void iox74lv_init(void)
{
	int i;

	for (i = 7; i >= 0; i--) {
		gpio_direction_output(IOX_SHCP, 0);
		gpio_direction_output(IOX_SDI, seq[qn_output[i]][0]);
		udelay(500);
		gpio_direction_output(IOX_SHCP, 1);
		udelay(500);
	}

	gpio_direction_output(IOX_STCP, 0);
	udelay(500);
	/*
	  * shift register will be output to pins
	  */
	gpio_direction_output(IOX_STCP, 1);

	for (i = 7; i >= 0; i--) {
		gpio_direction_output(IOX_SHCP, 0);
		gpio_direction_output(IOX_SDI, seq[qn_output[i]][1]);
		udelay(500);
		gpio_direction_output(IOX_SHCP, 1);
		udelay(500);
	}
	gpio_direction_output(IOX_STCP, 0);
	udelay(500);
	/*
	  * shift register will be output to pins
	  */
	gpio_direction_output(IOX_STCP, 1);
};

void iox74lv_set(int index)
{
	int i;
	for (i = 7; i >= 0; i--) {
		gpio_direction_output(IOX_SHCP, 0);

		if (i == index)
			gpio_direction_output(IOX_SDI, seq[qn_output[i]][0]);
		else
			gpio_direction_output(IOX_SDI, seq[qn_output[i]][1]);
		udelay(500);
		gpio_direction_output(IOX_SHCP, 1);
		udelay(500);
	}

	gpio_direction_output(IOX_STCP, 0);
	udelay(500);
	/*
	  * shift register will be output to pins
	  */
	gpio_direction_output(IOX_STCP, 1);

	for (i = 7; i >= 0; i--) {
		gpio_direction_output(IOX_SHCP, 0);
		gpio_direction_output(IOX_SDI, seq[qn_output[i]][1]);
		udelay(500);
		gpio_direction_output(IOX_SHCP, 1);
		udelay(500);
	}

	gpio_direction_output(IOX_STCP, 0);
	udelay(500);
	/*
	  * shift register will be output to pins
	  */
	gpio_direction_output(IOX_STCP, 1);
};

#define BOARD_REV_B  0x200
#define BOARD_REV_A  0x100

static int mx7sabre_rev(void)
{
	/*
	 * Get Board ID information from OCOTP_GP1[15:8]
	 * i.MX7D SDB RevA: 0x41
	 * i.MX7D SDB RevB: 0x42
	 */
	struct ocotp_regs *ocotp = (struct ocotp_regs *)OCOTP_BASE_ADDR;
	struct fuse_bank *bank = &ocotp->bank[14];
	int reg = readl(&bank->fuse_regs[0]);
	int ret;

	if (reg != 0) {
		switch (reg >> 8 & 0x0F) {
		case 0x02:
			ret = BOARD_REV_B;
			break;
		case 0x01:
		default:
			ret = BOARD_REV_A;
			break;
		}
	} else {
		/* If the gp1 fuse is not burn, we have to use TO rev for the board rev */
		if (is_soc_rev(CHIP_REV_1_0))
			ret = BOARD_REV_A;
		else
			ret = BOARD_REV_B;
	}

	return ret;
}

u32 get_board_rev(void)
{
	int rev = mx7sabre_rev();

	return (get_cpu_rev() & ~(0xF << 8)) | rev;
}

#ifdef CONFIG_NAND_MXS
static iomux_v3_cfg_t const gpmi_pads[] = {
	MX7D_PAD_SD3_DATA0__NAND_DATA00 | MUX_PAD_CTRL(NAND_PAD_CTRL),
	MX7D_PAD_SD3_DATA1__NAND_DATA01 | MUX_PAD_CTRL(NAND_PAD_CTRL),
	MX7D_PAD_SD3_DATA2__NAND_DATA02 | MUX_PAD_CTRL(NAND_PAD_CTRL),
	MX7D_PAD_SD3_DATA3__NAND_DATA03 | MUX_PAD_CTRL(NAND_PAD_CTRL),
	MX7D_PAD_SD3_DATA4__NAND_DATA04 | MUX_PAD_CTRL(NAND_PAD_CTRL),
	MX7D_PAD_SD3_DATA5__NAND_DATA05 | MUX_PAD_CTRL(NAND_PAD_CTRL),
	MX7D_PAD_SD3_DATA6__NAND_DATA06 | MUX_PAD_CTRL(NAND_PAD_CTRL),
	MX7D_PAD_SD3_DATA7__NAND_DATA07 | MUX_PAD_CTRL(NAND_PAD_CTRL),
	MX7D_PAD_SD3_CLK__NAND_CLE	| MUX_PAD_CTRL(NAND_PAD_CTRL),
	MX7D_PAD_SD3_CMD__NAND_ALE	| MUX_PAD_CTRL(NAND_PAD_CTRL),
	MX7D_PAD_SD3_STROBE__NAND_RE_B	| MUX_PAD_CTRL(NAND_PAD_CTRL),
	MX7D_PAD_SD3_RESET_B__NAND_WE_B	| MUX_PAD_CTRL(NAND_PAD_CTRL),
	MX7D_PAD_SAI1_MCLK__NAND_WP_B	| MUX_PAD_CTRL(NAND_PAD_CTRL),
	MX7D_PAD_SAI1_RX_BCLK__NAND_CE3_B	| MUX_PAD_CTRL(NAND_PAD_CTRL),
	MX7D_PAD_SAI1_RX_SYNC__NAND_CE2_B	| MUX_PAD_CTRL(NAND_PAD_CTRL),
	MX7D_PAD_SAI1_RX_DATA__NAND_CE1_B	| MUX_PAD_CTRL(NAND_PAD_CTRL),
	MX7D_PAD_SAI1_TX_BCLK__NAND_CE0_B	| MUX_PAD_CTRL(NAND_PAD_CTRL),
	MX7D_PAD_SAI1_TX_SYNC__NAND_DQS	| MUX_PAD_CTRL(NAND_PAD_CTRL),
	MX7D_PAD_SAI1_TX_DATA__NAND_READY_B	| MUX_PAD_CTRL(NAND_PAD_READY0_CTRL),
};

static void setup_gpmi_nand(void)
{
	imx_iomux_v3_setup_multiple_pads(gpmi_pads, ARRAY_SIZE(gpmi_pads));

	/* NAND_USDHC_BUS_CLK is set in rom */
	set_clk_nand();
}
#endif

#ifdef CONFIG_VIDEO_MXS
static iomux_v3_cfg_t const lcd_pads[] = {
	MX7D_PAD_LCD_CLK__LCD_CLK | MUX_PAD_CTRL(LCD_PAD_CTRL),
	MX7D_PAD_LCD_ENABLE__LCD_ENABLE | MUX_PAD_CTRL(LCD_PAD_CTRL),
	MX7D_PAD_LCD_HSYNC__LCD_HSYNC | MUX_PAD_CTRL(LCD_PAD_CTRL),
	MX7D_PAD_LCD_VSYNC__LCD_VSYNC | MUX_PAD_CTRL(LCD_PAD_CTRL),
	MX7D_PAD_LCD_DATA00__LCD_DATA0 | MUX_PAD_CTRL(LCD_PAD_CTRL),
	MX7D_PAD_LCD_DATA01__LCD_DATA1 | MUX_PAD_CTRL(LCD_PAD_CTRL),
	MX7D_PAD_LCD_DATA02__LCD_DATA2 | MUX_PAD_CTRL(LCD_PAD_CTRL),
	MX7D_PAD_LCD_DATA03__LCD_DATA3 | MUX_PAD_CTRL(LCD_PAD_CTRL),
	MX7D_PAD_LCD_DATA04__LCD_DATA4 | MUX_PAD_CTRL(LCD_PAD_CTRL),
	MX7D_PAD_LCD_DATA05__LCD_DATA5 | MUX_PAD_CTRL(LCD_PAD_CTRL),
	MX7D_PAD_LCD_DATA06__LCD_DATA6 | MUX_PAD_CTRL(LCD_PAD_CTRL),
	MX7D_PAD_LCD_DATA07__LCD_DATA7 | MUX_PAD_CTRL(LCD_PAD_CTRL),
	MX7D_PAD_LCD_DATA08__LCD_DATA8 | MUX_PAD_CTRL(LCD_PAD_CTRL),
	MX7D_PAD_LCD_DATA09__LCD_DATA9 | MUX_PAD_CTRL(LCD_PAD_CTRL),
	MX7D_PAD_LCD_DATA10__LCD_DATA10 | MUX_PAD_CTRL(LCD_PAD_CTRL),
	MX7D_PAD_LCD_DATA11__LCD_DATA11 | MUX_PAD_CTRL(LCD_PAD_CTRL),
	MX7D_PAD_LCD_DATA12__LCD_DATA12 | MUX_PAD_CTRL(LCD_PAD_CTRL),
	MX7D_PAD_LCD_DATA13__LCD_DATA13 | MUX_PAD_CTRL(LCD_PAD_CTRL),
	MX7D_PAD_LCD_DATA14__LCD_DATA14 | MUX_PAD_CTRL(LCD_PAD_CTRL),
	MX7D_PAD_LCD_DATA15__LCD_DATA15 | MUX_PAD_CTRL(LCD_PAD_CTRL),
	MX7D_PAD_LCD_DATA16__LCD_DATA16 | MUX_PAD_CTRL(LCD_PAD_CTRL),
	MX7D_PAD_LCD_DATA17__LCD_DATA17 | MUX_PAD_CTRL(LCD_PAD_CTRL),
	MX7D_PAD_LCD_DATA18__LCD_DATA18 | MUX_PAD_CTRL(LCD_PAD_CTRL),
	MX7D_PAD_LCD_DATA19__LCD_DATA19 | MUX_PAD_CTRL(LCD_PAD_CTRL),
	MX7D_PAD_LCD_DATA20__LCD_DATA20 | MUX_PAD_CTRL(LCD_PAD_CTRL),
	MX7D_PAD_LCD_DATA21__LCD_DATA21 | MUX_PAD_CTRL(LCD_PAD_CTRL),
	MX7D_PAD_LCD_DATA22__LCD_DATA22 | MUX_PAD_CTRL(LCD_PAD_CTRL),
	MX7D_PAD_LCD_DATA23__LCD_DATA23 | MUX_PAD_CTRL(LCD_PAD_CTRL),

	MX7D_PAD_LCD_RESET__GPIO3_IO4	| MUX_PAD_CTRL(LCD_PAD_CTRL),
};

static iomux_v3_cfg_t const pwm_pads[] = {
	/* Use GPIO for Brightness adjustment, duty cycle = period */
	MX7D_PAD_GPIO1_IO01__GPIO1_IO1 | MUX_PAD_CTRL(NO_PAD_CTRL),
};

void do_enable_parallel_lcd(struct display_info_t const *dev)
{
	imx_iomux_v3_setup_multiple_pads(lcd_pads, ARRAY_SIZE(lcd_pads));

	imx_iomux_v3_setup_multiple_pads(pwm_pads, ARRAY_SIZE(pwm_pads));

	/* Reset LCD */
	gpio_direction_output(IMX_GPIO_NR(3, 4) , 0);
	udelay(500);
	gpio_direction_output(IMX_GPIO_NR(3, 4) , 1);

	/* Set Brightness to high */
	gpio_direction_output(IMX_GPIO_NR(1, 1) , 1);
}

struct display_info_t const displays[] = {{
	.bus = ELCDIF1_IPS_BASE_ADDR,
	.addr = 0,
	.pixfmt = 24,
	.detect = NULL,
	.enable	= do_enable_parallel_lcd,
	.mode	= {
		.name			= "TFT43AB",
		.xres           = 480,
		.yres           = 272,
		.pixclock       = 108695,
		.left_margin    = 8,
		.right_margin   = 4,
		.upper_margin   = 2,
		.lower_margin   = 4,
		.hsync_len      = 41,
		.vsync_len      = 10,
		.sync           = 0,
		.vmode          = FB_VMODE_NONINTERLACED
} } };
size_t display_count = ARRAY_SIZE(displays);
#endif

static void setup_iomux_uart(void)
{
	imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
}

#ifdef CONFIG_FSL_ESDHC

#define USDHC1_CD_GPIO	IMX_GPIO_NR(5, 0)
#define USDHC1_PWR_GPIO	IMX_GPIO_NR(5, 2)
#define USDHC3_PWR_GPIO IMX_GPIO_NR(6, 11)

static struct fsl_esdhc_cfg usdhc_cfg[3] = {
	{USDHC1_BASE_ADDR, 0, 4},
	{USDHC3_BASE_ADDR},
};

int board_mmc_get_env_dev(int devno)
{
	if (devno == 2)
		devno--;

	return devno;
}

int mmc_map_to_kernel_blk(int dev_no)
{
	if (dev_no == 1)
		dev_no++;

	return dev_no;
}

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 USDHC3_BASE_ADDR:
		ret = 1; /* Assume uSDHC3 emmc is always present */
		break;
	}

	return ret;
}

int board_mmc_init(bd_t *bis)
{
	int i, ret;
	/*
	 * According to the board_mmc_init() the following map is done:
	 * (U-Boot device node)    (Physical Port)
	 * mmc0                    USDHC1
	 * mmc2                    USDHC3 (eMMC)
	 */
	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_request(USDHC1_CD_GPIO, "usdhc1_cd");
			gpio_direction_input(USDHC1_CD_GPIO);
			gpio_request(USDHC1_PWR_GPIO, "usdhc1_pwr");
			gpio_direction_output(USDHC1_PWR_GPIO, 0);
			udelay(500);
			gpio_direction_output(USDHC1_PWR_GPIO, 1);
			usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
			break;
		case 1:
			imx_iomux_v3_setup_multiple_pads(
				usdhc3_emmc_pads, ARRAY_SIZE(usdhc3_emmc_pads));
			gpio_request(USDHC3_PWR_GPIO, "usdhc3_pwr");
			gpio_direction_output(USDHC3_PWR_GPIO, 0);
			udelay(500);
			gpio_direction_output(USDHC3_PWR_GPIO, 1);
			usdhc_cfg[1].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 -EINVAL;
			}

			ret = fsl_esdhc_initialize(bis, &usdhc_cfg[i]);
			if (ret)
				return ret;
	}

	return 0;
}
#endif

iomux_v3_cfg_t const fec2_en_pads[] = {
	MX7D_PAD_GPIO1_IO04__GPIO1_IO4 | MUX_PAD_CTRL(NO_PAD_CTRL),
};
#ifdef CONFIG_FEC_MXC
static iomux_v3_cfg_t const fec1_pads[] = {
	MX7D_PAD_ENET1_RGMII_RX_CTL__ENET1_RGMII_RX_CTL | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
	MX7D_PAD_ENET1_RGMII_RD0__ENET1_RGMII_RD0 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
	MX7D_PAD_ENET1_RGMII_RD1__ENET1_RGMII_RD1 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
	MX7D_PAD_ENET1_RGMII_RD2__ENET1_RGMII_RD2 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
	MX7D_PAD_ENET1_RGMII_RD3__ENET1_RGMII_RD3 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
	MX7D_PAD_ENET1_RGMII_RXC__ENET1_RGMII_RXC | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
	MX7D_PAD_ENET1_RGMII_TX_CTL__ENET1_RGMII_TX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL),
	MX7D_PAD_ENET1_RGMII_TD0__ENET1_RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL),
	MX7D_PAD_ENET1_RGMII_TD1__ENET1_RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL),
	MX7D_PAD_ENET1_RGMII_TD2__ENET1_RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL),
	MX7D_PAD_ENET1_RGMII_TD3__ENET1_RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL),
	MX7D_PAD_ENET1_RGMII_TXC__ENET1_RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL),
	MX7D_PAD_GPIO1_IO10__ENET1_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL_MII),
	MX7D_PAD_GPIO1_IO11__ENET1_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL_MII),
};

static iomux_v3_cfg_t const fec2_pads[] = {
	MX7D_PAD_EPDC_SDCE0__ENET2_RGMII_RX_CTL | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
	MX7D_PAD_EPDC_SDCLK__ENET2_RGMII_RD0 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
	MX7D_PAD_EPDC_SDLE__ENET2_RGMII_RD1  | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
	MX7D_PAD_EPDC_SDOE__ENET2_RGMII_RD2  | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
	MX7D_PAD_EPDC_SDSHR__ENET2_RGMII_RD3 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
	MX7D_PAD_EPDC_SDCE1__ENET2_RGMII_RXC | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
	MX7D_PAD_EPDC_GDRL__ENET2_RGMII_TX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL),
	MX7D_PAD_EPDC_SDCE2__ENET2_RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL),
	MX7D_PAD_EPDC_SDCE3__ENET2_RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL),
	MX7D_PAD_EPDC_GDCLK__ENET2_RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL),
	MX7D_PAD_EPDC_GDOE__ENET2_RGMII_TD3  | MUX_PAD_CTRL(ENET_PAD_CTRL),
	MX7D_PAD_EPDC_GDSP__ENET2_RGMII_TXC  | MUX_PAD_CTRL(ENET_PAD_CTRL),
	MX7D_PAD_GPIO1_IO10__ENET1_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL_MII),
	MX7D_PAD_GPIO1_IO11__ENET1_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL_MII),
};

static void setup_iomux_fec(void)
{
	if (0 == CONFIG_FEC_ENET_DEV) {
		imx_iomux_v3_setup_multiple_pads(fec1_pads, ARRAY_SIZE(fec1_pads));
	} else {
		if (mx7sabre_rev() == BOARD_REV_B) {
			/*  On RevB, GPIO1_IO04 is used for ENET2 EN,
			*  so set its output to low to enable ENET2 signals
			*/
			imx_iomux_v3_setup_multiple_pads(fec2_en_pads,
				ARRAY_SIZE(fec2_en_pads));
			gpio_direction_output(IMX_GPIO_NR(1, 4), 0);
		}
		imx_iomux_v3_setup_multiple_pads(fec2_pads, ARRAY_SIZE(fec2_pads));
	}
}

int board_eth_init(bd_t *bis)
{
	int ret;

	setup_iomux_fec();

	ret = fecmxc_initialize_multi(bis, CONFIG_FEC_ENET_DEV,
		CONFIG_FEC_MXC_PHYADDR, IMX_FEC_BASE);
	if (ret)
		printf("FEC1 MXC: %s:failed\n", __func__);

	return ret;
}

static int setup_fec(int fec_id)
{
	struct iomuxc_gpr_base_regs *const iomuxc_gpr_regs
		= (struct iomuxc_gpr_base_regs *) IOMUXC_GPR_BASE_ADDR;

	if (0 == fec_id) {
		/* Use 125M anatop REF_CLK1 for ENET1, clear gpr1[13], gpr1[17]*/
		clrsetbits_le32(&iomuxc_gpr_regs->gpr[1],
			(IOMUXC_GPR_GPR1_GPR_ENET1_TX_CLK_SEL_MASK |
			 IOMUXC_GPR_GPR1_GPR_ENET1_CLK_DIR_MASK), 0);
	} else {
		/* Use 125M anatop REF_CLK2 for ENET2, clear gpr1[14], gpr1[18]*/
		clrsetbits_le32(&iomuxc_gpr_regs->gpr[1],
			(IOMUXC_GPR_GPR1_GPR_ENET2_TX_CLK_SEL_MASK |
			 IOMUXC_GPR_GPR1_GPR_ENET2_CLK_DIR_MASK), 0);
	}

	return set_clk_enet(ENET_125MHz);

}


int board_phy_config(struct phy_device *phydev)
{
	/* enable rgmii rxc skew and phy mode select to RGMII copper */
	phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x21);
	phy_write(phydev, MDIO_DEVAD_NONE, 0x1f, 0x7ea8);
	phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x2f);
	phy_write(phydev, MDIO_DEVAD_NONE, 0x1f, 0x71b7);

	if (phydev->drv->config)
		phydev->drv->config(phydev);
	return 0;
}
#endif

#ifdef CONFIG_FSL_QSPI
static iomux_v3_cfg_t const quadspi_pads[] = {
	MX7D_PAD_EPDC_DATA00__QSPI_A_DATA0 | MUX_PAD_CTRL(QSPI_PAD_CTRL),
	MX7D_PAD_EPDC_DATA01__QSPI_A_DATA1 | MUX_PAD_CTRL(QSPI_PAD_CTRL),
	MX7D_PAD_EPDC_DATA02__QSPI_A_DATA2 | MUX_PAD_CTRL(QSPI_PAD_CTRL),
	MX7D_PAD_EPDC_DATA03__QSPI_A_DATA3 | MUX_PAD_CTRL(QSPI_PAD_CTRL),
	MX7D_PAD_EPDC_DATA05__QSPI_A_SCLK  | MUX_PAD_CTRL(QSPI_PAD_CTRL),
	MX7D_PAD_EPDC_DATA06__QSPI_A_SS0_B | MUX_PAD_CTRL(QSPI_PAD_CTRL),
};

int board_qspi_init(void)
{
	/* Set the iomux */
	imx_iomux_v3_setup_multiple_pads(quadspi_pads,
					 ARRAY_SIZE(quadspi_pads));

	/* Set the clock */
	set_clk_qspi();

	return 0;
}
#endif

#ifdef CONFIG_MXC_EPDC
static iomux_v3_cfg_t const epdc_enable_pads[] = {
	MX7D_PAD_EPDC_DATA00__EPDC_DATA0	| MUX_PAD_CTRL(EPDC_PAD_CTRL),
	MX7D_PAD_EPDC_DATA01__EPDC_DATA1	| MUX_PAD_CTRL(EPDC_PAD_CTRL),
	MX7D_PAD_EPDC_DATA02__EPDC_DATA2	| MUX_PAD_CTRL(EPDC_PAD_CTRL),
	MX7D_PAD_EPDC_DATA03__EPDC_DATA3	| MUX_PAD_CTRL(EPDC_PAD_CTRL),
	MX7D_PAD_EPDC_DATA04__EPDC_DATA4	| MUX_PAD_CTRL(EPDC_PAD_CTRL),
	MX7D_PAD_EPDC_DATA05__EPDC_DATA5	| MUX_PAD_CTRL(EPDC_PAD_CTRL),
	MX7D_PAD_EPDC_DATA06__EPDC_DATA6	| MUX_PAD_CTRL(EPDC_PAD_CTRL),
	MX7D_PAD_EPDC_DATA07__EPDC_DATA7	| MUX_PAD_CTRL(EPDC_PAD_CTRL),
	MX7D_PAD_EPDC_SDCLK__EPDC_SDCLK		| MUX_PAD_CTRL(EPDC_PAD_CTRL),
	MX7D_PAD_EPDC_SDLE__EPDC_SDLE		| MUX_PAD_CTRL(EPDC_PAD_CTRL),
	MX7D_PAD_EPDC_SDOE__EPDC_SDOE		| MUX_PAD_CTRL(EPDC_PAD_CTRL),
	MX7D_PAD_EPDC_SDSHR__EPDC_SDSHR		| MUX_PAD_CTRL(EPDC_PAD_CTRL),
	MX7D_PAD_EPDC_SDCE0__EPDC_SDCE0		| MUX_PAD_CTRL(EPDC_PAD_CTRL),
	MX7D_PAD_EPDC_SDCE1__EPDC_SDCE1		| MUX_PAD_CTRL(EPDC_PAD_CTRL),
	MX7D_PAD_EPDC_GDCLK__EPDC_GDCLK		| MUX_PAD_CTRL(EPDC_PAD_CTRL),
	MX7D_PAD_EPDC_GDOE__EPDC_GDOE		| MUX_PAD_CTRL(EPDC_PAD_CTRL),
	MX7D_PAD_EPDC_GDRL__EPDC_GDRL		| MUX_PAD_CTRL(EPDC_PAD_CTRL),
	MX7D_PAD_EPDC_GDSP__EPDC_GDSP		| MUX_PAD_CTRL(EPDC_PAD_CTRL),
	MX7D_PAD_EPDC_BDR0__EPDC_BDR0		| MUX_PAD_CTRL(EPDC_PAD_CTRL),
	MX7D_PAD_EPDC_BDR1__EPDC_BDR1		| MUX_PAD_CTRL(EPDC_PAD_CTRL),
};

static iomux_v3_cfg_t const epdc_disable_pads[] = {
	MX7D_PAD_EPDC_DATA00__GPIO2_IO0,
	MX7D_PAD_EPDC_DATA01__GPIO2_IO1,
	MX7D_PAD_EPDC_DATA02__GPIO2_IO2,
	MX7D_PAD_EPDC_DATA03__GPIO2_IO3,
	MX7D_PAD_EPDC_DATA04__GPIO2_IO4,
	MX7D_PAD_EPDC_DATA05__GPIO2_IO5,
	MX7D_PAD_EPDC_DATA06__GPIO2_IO6,
	MX7D_PAD_EPDC_DATA07__GPIO2_IO7,
	MX7D_PAD_EPDC_SDCLK__GPIO2_IO16,
	MX7D_PAD_EPDC_SDLE__GPIO2_IO17,
	MX7D_PAD_EPDC_SDOE__GPIO2_IO18,
	MX7D_PAD_EPDC_SDSHR__GPIO2_IO19,
	MX7D_PAD_EPDC_SDCE0__GPIO2_IO20,
	MX7D_PAD_EPDC_SDCE1__GPIO2_IO21,
	MX7D_PAD_EPDC_GDCLK__GPIO2_IO24,
	MX7D_PAD_EPDC_GDOE__GPIO2_IO25,
	MX7D_PAD_EPDC_GDRL__GPIO2_IO26,
	MX7D_PAD_EPDC_GDSP__GPIO2_IO27,
	MX7D_PAD_EPDC_BDR0__GPIO2_IO28,
	MX7D_PAD_EPDC_BDR1__GPIO2_IO29,
};

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)
{
	/* IOMUX_GPR1: bit30: Disable On-chip RAM EPDC Function */
	struct iomuxc_gpr_base_regs *const iomuxc_gpr_regs
		= (struct iomuxc_gpr_base_regs *) IOMUXC_GPR_BASE_ADDR;

	clrsetbits_le32(&iomuxc_gpr_regs->gpr[1],
		IOMUXC_GPR_GPR1_GPR_ENABLE_OCRAM_EPDC_MASK, 0);

	/* Setup epdc voltage */

	/* EPDC_PWRSTAT - GPIO2[31] for PWR_GOOD status */
	imx_iomux_v3_setup_pad(MX7D_PAD_EPDC_PWR_STAT__GPIO2_IO31 |
				MUX_PAD_CTRL(EPDC_PAD_CTRL));
	gpio_direction_input(IMX_GPIO_NR(2, 31));

	/* EPDC_VCOM0 - GPIO4[14] for VCOM control */
	imx_iomux_v3_setup_pad(MX7D_PAD_I2C4_SCL__GPIO4_IO14 |
				MUX_PAD_CTRL(EPDC_PAD_CTRL));

	/* Set as output */
	gpio_direction_output(IMX_GPIO_NR(4, 14), 1);

	/* EPDC_PWRWAKEUP - GPIO2[23] for EPD PMIC WAKEUP */
	imx_iomux_v3_setup_pad(MX7D_PAD_EPDC_SDCE3__GPIO2_IO23 |
				MUX_PAD_CTRL(EPDC_PAD_CTRL));
	/* Set as output */
	gpio_direction_output(IMX_GPIO_NR(2, 23), 1);

	/* EPDC_PWRCTRL0 - GPIO2[30] for EPD PWR CTL0 */
	imx_iomux_v3_setup_pad(MX7D_PAD_EPDC_PWR_COM__GPIO2_IO30 |
				MUX_PAD_CTRL(EPDC_PAD_CTRL));
	/* Set as output */
	gpio_direction_output(IMX_GPIO_NR(2, 30), 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[31] for PWR_GOOD status */
	imx_iomux_v3_setup_pad(MX7D_PAD_EPDC_PWR_STAT__GPIO2_IO31 |
				MUX_PAD_CTRL(EPDC_PAD_CTRL));

	/* EPDC_VCOM0 - GPIO4[14] for VCOM control */
	imx_iomux_v3_setup_pad(MX7D_PAD_I2C4_SCL__GPIO4_IO14 |
				MUX_PAD_CTRL(EPDC_PAD_CTRL));

	/* EPDC_PWRWAKEUP - GPIO4[23] for EPD PMIC WAKEUP */
	imx_iomux_v3_setup_pad(MX7D_PAD_EPDC_SDCE3__GPIO2_IO23 |
				MUX_PAD_CTRL(EPDC_PAD_CTRL));

	/* EPDC_PWRCTRL0 - GPIO4[20] for EPD PWR CTL0 */
	imx_iomux_v3_setup_pad(MX7D_PAD_EPDC_PWR_COM__GPIO2_IO30 |
				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, 30), 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, 23), 1);

	/* Wait for PWRGOOD == 1 */
	while (1) {
		reg = readl(&gpio_regs->gpio_psr);
		if (!(reg & (1 << 31)))
			break;

		udelay(100);
	}

	/* Enable VCOM */
	gpio_set_value(IMX_GPIO_NR(4, 14), 1);

	udelay(500);
}

void epdc_power_off(void)
{
	/* Set PMIC Wakeup to low - disable Display power */
	gpio_set_value(IMX_GPIO_NR(2, 23), 0);

	/* Disable VCOM */
	gpio_set_value(IMX_GPIO_NR(4, 14), 0);

	epdc_disable_pins();

	/* Set EPD_PWR_CTL0 to low - disable EINK_VDD (3.15) */
	gpio_set_value(IMX_GPIO_NR(2, 30), 0);
}
#endif

#ifdef CONFIG_USB_EHCI_MX7
static iomux_v3_cfg_t const usb_otg1_pads[] = {
	MX7D_PAD_GPIO1_IO05__USB_OTG1_PWR | MUX_PAD_CTRL(NO_PAD_CTRL),
};

static iomux_v3_cfg_t const usb_otg2_pads[] = {
	MX7D_PAD_UART3_CTS_B__USB_OTG2_PWR | MUX_PAD_CTRL(NO_PAD_CTRL),
};

/* On RevB board, the GPIO_IO07 is muxed for OTG2 PWR */
iomux_v3_cfg_t const usb_otg2_revB_pads[] = {
	MX7D_PAD_GPIO1_IO07__USB_OTG2_PWR | MUX_PAD_CTRL(NO_PAD_CTRL),
};

static void setup_usb(void)
{
	imx_iomux_v3_setup_multiple_pads(usb_otg1_pads,
						 ARRAY_SIZE(usb_otg1_pads));

	if (mx7sabre_rev() == BOARD_REV_B)
		imx_iomux_v3_setup_multiple_pads(usb_otg2_revB_pads,
						 ARRAY_SIZE(usb_otg2_revB_pads));
	else
		imx_iomux_v3_setup_multiple_pads(usb_otg2_pads,
						 ARRAY_SIZE(usb_otg2_pads));
}

int board_usb_phy_mode(int port)
{
	if (port == 0)
		return usb_phy_mode(port);
	else
		return USB_INIT_HOST;
}
#endif

int board_early_init_f(void)
{
	setup_iomux_uart();

#ifdef CONFIG_SYS_I2C_MXC
	setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1);
	setup_i2c(2, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info3);
#endif

#ifdef CONFIG_USB_EHCI_MX7
	setup_usb();
#endif

	return 0;
}

int board_init(void)
{
	/* address of boot parameters */
	gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;

	imx_iomux_v3_setup_multiple_pads(iox_pads, ARRAY_SIZE(iox_pads));

	iox74lv_init();

#ifdef CONFIG_FEC_MXC
	setup_fec(CONFIG_FEC_ENET_DEV);
#endif

#ifdef CONFIG_NAND_MXS
	setup_gpmi_nand();
#endif

#ifdef CONFIG_FSL_QSPI
	board_qspi_init();
#endif

#ifdef CONFIG_MXC_EPDC
	if (mx7sabre_rev() == BOARD_REV_B) {
		/*  On RevB, GPIO1_IO04 is used for ENET2 EN,
		*  so set its output to high to isolate the ENET2 signals for EPDC
		*/
		imx_iomux_v3_setup_multiple_pads(fec2_en_pads,
			ARRAY_SIZE(fec2_en_pads));
		gpio_direction_output(IMX_GPIO_NR(1, 4), 1);
	} else {
		qn_output[5] = qn_disable;
		iox74lv_set(5);
	}
	setup_epdc();
#endif

	return 0;
}

#ifdef CONFIG_CMD_BMODE
static const struct boot_mode board_boot_modes[] = {
	/* 4 bit bus width */
	{"sd1", MAKE_CFGVAL(0x10, 0x10, 0x00, 0x00)},
	{"emmc", MAKE_CFGVAL(0x10, 0x2a, 0x00, 0x00)},
	/* TODO: Nand */
	{"qspi", MAKE_CFGVAL(0x00, 0x40, 0x00, 0x00)},
	{NULL,   0},
};
#endif

#ifdef CONFIG_POWER
#define I2C_PMIC	0
int power_init_board(void)
{
	struct pmic *p;
	int ret;
	unsigned int reg, rev_id;

	ret = power_pfuze3000_init(I2C_PMIC);
	if (ret)
		return ret;

	p = pmic_get("PFUZE3000");
	ret = pmic_probe(p);
	if (ret)
		return ret;

	pmic_reg_read(p, PFUZE3000_DEVICEID, &reg);
	pmic_reg_read(p, PFUZE3000_REVID, &rev_id);
	printf("PMIC: PFUZE3000 DEV_ID=0x%x REV_ID=0x%x\n", reg, rev_id);

	/* disable Low Power Mode during standby mode */
	pmic_reg_read(p, PFUZE3000_LDOGCTL, &reg);
	reg |= 0x1;
	pmic_reg_write(p, PFUZE3000_LDOGCTL, reg);

	/* SW1A/1B mode set to APS/APS */
	reg = 0x8;
	pmic_reg_write(p, PFUZE3000_SW1AMODE, reg);
	pmic_reg_write(p, PFUZE3000_SW1BMODE, reg);

	/* SW1A/1B standby voltage set to 1.025V */
	reg = 0xd;
	pmic_reg_write(p, PFUZE3000_SW1ASTBY, reg);
	pmic_reg_write(p, PFUZE3000_SW1BSTBY, reg);

	/* decrease SW1B normal voltage to 0.975V */
	pmic_reg_read(p, PFUZE3000_SW1BVOLT, &reg);
	reg &= ~0x1f;
	reg |= PFUZE3000_SW1AB_SETP(975);
	pmic_reg_write(p, PFUZE3000_SW1BVOLT, reg);

	return 0;
}
#endif

int board_late_init(void)
{
	struct wdog_regs *wdog = (struct wdog_regs *)WDOG1_BASE_ADDR;
#ifdef CONFIG_CMD_BMODE
	add_board_boot_modes(board_boot_modes);
#endif

#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(wdog);

	/*
	 * Do not assert internal WDOG_RESET_B_DEB(controlled by bit 4),
	 * since we use PMIC_PWRON to reset the board.
	 */
	clrsetbits_le16(&wdog->wcr, 0, 0x10);

	return 0;
}

int checkboard(void)
{
	int rev = mx7sabre_rev();
	char *revname;

	switch (rev) {
	case BOARD_REV_B:
		revname = "B";
		break;
	case BOARD_REV_A:
	default:
		revname = "A";
		break;
	}

	printf("Board: i.MX7D SABRESD Rev%s\n", revname);

	return 0;
}