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
|
/*
* Copyright (C) 2015 Freescale Semiconductor, Inc.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <asm/arch/clock.h>
#include <asm/arch/iomux.h>
#include <asm/arch/imx-regs.h>
#include <asm/arch/crm_regs.h>
#include <asm/arch/mx6ul_pins.h>
#include <asm/arch/mx6-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/imx-common/mxc_i2c.h>
#include <asm/io.h>
#include <common.h>
#include <fsl_esdhc.h>
#include <i2c.h>
#include <miiphy.h>
#include <linux/sizes.h>
#include <mmc.h>
#include <netdev.h>
#include <power/pmic.h>
#include <power/pfuze3000_pmic.h>
#include "../common/pfuze.h"
#include <usb.h>
#include <usb/ehci-fsl.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_DAT3_CD_PAD_CTRL (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 ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_PUE | \
PAD_CTL_SPEED_HIGH | \
PAD_CTL_DSE_48ohm | PAD_CTL_SRE_FAST)
#define MDIO_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_PUE | \
PAD_CTL_DSE_48ohm | PAD_CTL_SRE_FAST | PAD_CTL_ODE)
#define ENET_CLK_PAD_CTRL (PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST)
#define ENET_RX_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
PAD_CTL_SPEED_HIGH | PAD_CTL_SRE_FAST)
#define IOX_SDI IMX_GPIO_NR(5, 10)
#define IOX_STCP IMX_GPIO_NR(5, 7)
#define IOX_SHCP IMX_GPIO_NR(5, 11)
#define IOX_OE IMX_GPIO_NR(5, 18)
static iomux_v3_cfg_t const iox_pads[] = {
/* IOX_SDI */
MX6_PAD_BOOT_MODE0__GPIO5_IO10 | MUX_PAD_CTRL(NO_PAD_CTRL),
/* IOX_SHCP */
MX6_PAD_BOOT_MODE1__GPIO5_IO11 | MUX_PAD_CTRL(NO_PAD_CTRL),
/* IOX_STCP */
MX6_PAD_SNVS_TAMPER7__GPIO5_IO07 | MUX_PAD_CTRL(NO_PAD_CTRL),
/* IOX_nOE */
MX6_PAD_SNVS_TAMPER8__GPIO5_IO08 | MUX_PAD_CTRL(NO_PAD_CTRL),
};
/*
* HDMI_nRST --> Q0
* ENET1_nRST --> Q1
* ENET2_nRST --> Q2
* CAN1_2_STBY --> Q3
* BT_nPWD --> Q4
* CSI_RST --> Q5
* CSI_PWDN --> Q6
* LCD_nPWREN --> Q7
*/
enum qn {
HDMI_NRST,
ENET1_NRST,
ENET2_NRST,
CAN1_2_STBY,
BT_NPWD,
CSI_RST,
CSI_PWDN,
LCD_NPWREN,
};
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_reset, qn_reset, qn_reset, qn_enable, qn_disable, qn_reset,
qn_disable, qn_enable
};
static void iox74lv_init(void)
{
int i;
gpio_direction_output(IOX_OE, 0);
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);
gpio_direction_output(IOX_OE, 1);
};
#ifdef CONFIG_SYS_I2C_MXC
#define PC MUX_PAD_CTRL(I2C_PAD_CTRL)
/* I2C1 for PMIC and EEPROM */
static struct i2c_pads_info i2c_pad_info1 = {
.scl = {
.i2c_mode = MX6_PAD_UART4_TX_DATA__I2C1_SCL | PC,
.gpio_mode = MX6_PAD_UART4_TX_DATA__GPIO1_IO28 | PC,
.gp = IMX_GPIO_NR(1, 28),
},
.sda = {
.i2c_mode = MX6_PAD_UART4_RX_DATA__I2C1_SDA | PC,
.gpio_mode = MX6_PAD_UART4_RX_DATA__GPIO1_IO29 | PC,
.gp = IMX_GPIO_NR(1, 29),
},
};
#ifdef CONFIG_POWER
#define I2C_PMIC 0
int power_init_board(void)
{
if (is_mx6ul_9x9_evk()) {
struct pmic *pfuze;
int ret;
unsigned int reg, rev_id;
ret = power_pfuze3000_init(I2C_PMIC);
if (ret)
return ret;
pfuze = pmic_get("PFUZE3000");
ret = pmic_probe(pfuze);
if (ret)
return ret;
pmic_reg_read(pfuze, PFUZE3000_DEVICEID, ®);
pmic_reg_read(pfuze, 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(pfuze, PFUZE3000_LDOGCTL, ®);
reg |= 0x1;
pmic_reg_write(pfuze, PFUZE3000_LDOGCTL, reg);
/* SW1B step ramp up time from 2us to 4us/25mV */
reg = 0x40;
pmic_reg_write(pfuze, PFUZE3000_SW1BCONF, reg);
/* SW1B mode to APS/PFM */
reg = 0xc;
pmic_reg_write(pfuze, PFUZE3000_SW1BMODE, reg);
/* SW1B standby voltage set to 0.975V */
reg = 0xb;
pmic_reg_write(pfuze, PFUZE3000_SW1BSTBY, reg);
}
return 0;
}
#endif
#endif
int dram_init(void)
{
gd->ram_size = imx_ddr_size();
return 0;
}
static iomux_v3_cfg_t const uart1_pads[] = {
MX6_PAD_UART1_TX_DATA__UART1_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
MX6_PAD_UART1_RX_DATA__UART1_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
};
static iomux_v3_cfg_t const usdhc1_pads[] = {
MX6_PAD_SD1_CLK__USDHC1_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD1_CMD__USDHC1_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD1_DATA0__USDHC1_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD1_DATA1__USDHC1_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD1_DATA2__USDHC1_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD1_DATA3__USDHC1_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
/* VSELECT */
MX6_PAD_GPIO1_IO05__USDHC1_VSELECT | MUX_PAD_CTRL(USDHC_PAD_CTRL),
/* CD */
MX6_PAD_UART1_RTS_B__GPIO1_IO19 | MUX_PAD_CTRL(NO_PAD_CTRL),
/* RST_B */
MX6_PAD_GPIO1_IO09__GPIO1_IO09 | MUX_PAD_CTRL(NO_PAD_CTRL),
};
/*
* mx6ul_14x14_evk board default supports sd card. If want to use
* EMMC, need to do board rework for sd2.
* Introduce CONFIG_MX6UL_14X14_EVK_EMMC_REWORK, if sd2 reworked to support
* emmc, need to define this macro.
*/
#if defined(CONFIG_MX6UL_14X14_EVK_EMMC_REWORK)
static iomux_v3_cfg_t const usdhc2_emmc_pads[] = {
MX6_PAD_NAND_RE_B__USDHC2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_NAND_WE_B__USDHC2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_NAND_DATA00__USDHC2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_NAND_DATA01__USDHC2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_NAND_DATA02__USDHC2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_NAND_DATA03__USDHC2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_NAND_DATA04__USDHC2_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_NAND_DATA05__USDHC2_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_NAND_DATA06__USDHC2_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_NAND_DATA07__USDHC2_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
/*
* RST_B
*/
MX6_PAD_NAND_ALE__GPIO4_IO10 | MUX_PAD_CTRL(NO_PAD_CTRL),
};
#else
static iomux_v3_cfg_t const usdhc2_pads[] = {
MX6_PAD_NAND_RE_B__USDHC2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_NAND_WE_B__USDHC2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_NAND_DATA00__USDHC2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_NAND_DATA01__USDHC2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_NAND_DATA02__USDHC2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_NAND_DATA03__USDHC2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
};
static iomux_v3_cfg_t const usdhc2_cd_pads[] = {
/*
* The evk board uses DAT3 to detect CD card plugin,
* in u-boot we mux the pin to GPIO when doing board_mmc_getcd.
*/
MX6_PAD_NAND_DATA03__GPIO4_IO05 | MUX_PAD_CTRL(USDHC_DAT3_CD_PAD_CTRL),
};
static iomux_v3_cfg_t const usdhc2_dat3_pads[] = {
MX6_PAD_NAND_DATA03__USDHC2_DATA3 |
MUX_PAD_CTRL(USDHC_DAT3_CD_PAD_CTRL),
};
#endif
static void setup_iomux_uart(void)
{
imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
}
#ifdef CONFIG_FSL_QSPI
#define QSPI_PAD_CTRL1 \
(PAD_CTL_SRE_FAST | PAD_CTL_SPEED_MED | \
PAD_CTL_PKE | PAD_CTL_PUE | PAD_CTL_PUS_47K_UP | PAD_CTL_DSE_60ohm)
static iomux_v3_cfg_t const quadspi_pads[] = {
MX6_PAD_NAND_WP_B__QSPI_A_SCLK | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
MX6_PAD_NAND_READY_B__QSPI_A_DATA00 | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
MX6_PAD_NAND_CE0_B__QSPI_A_DATA01 | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
MX6_PAD_NAND_CE1_B__QSPI_A_DATA02 | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
MX6_PAD_NAND_CLE__QSPI_A_DATA03 | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
MX6_PAD_NAND_DQS__QSPI_A_SS0_B | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
};
static int board_qspi_init(void)
{
/* Set the iomux */
imx_iomux_v3_setup_multiple_pads(quadspi_pads,
ARRAY_SIZE(quadspi_pads));
/* Set the clock */
enable_qspi_clk(0);
return 0;
}
#endif
#ifdef CONFIG_FSL_ESDHC
static struct fsl_esdhc_cfg usdhc_cfg[2] = {
{USDHC1_BASE_ADDR, 0, 4},
#if defined(CONFIG_MX6UL_14X14_EVK_EMMC_REWORK)
{USDHC2_BASE_ADDR, 0, 8},
#else
{USDHC2_BASE_ADDR, 0, 4},
#endif
};
#define USDHC1_CD_GPIO IMX_GPIO_NR(1, 19)
#define USDHC1_PWR_GPIO IMX_GPIO_NR(1, 9)
#define USDHC2_CD_GPIO IMX_GPIO_NR(4, 5)
#define USDHC2_PWR_GPIO IMX_GPIO_NR(4, 10)
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:
#if defined(CONFIG_MX6UL_14X14_EVK_EMMC_REWORK)
ret = 1;
#else
imx_iomux_v3_setup_multiple_pads(usdhc2_cd_pads,
ARRAY_SIZE(usdhc2_cd_pads));
gpio_direction_input(USDHC2_CD_GPIO);
/*
* Since it is the DAT3 pin, this pin is pulled to
* low voltage if no card
*/
ret = gpio_get_value(USDHC2_CD_GPIO);
imx_iomux_v3_setup_multiple_pads(usdhc2_dat3_pads,
ARRAY_SIZE(usdhc2_dat3_pads));
#endif
break;
}
return ret;
}
int board_mmc_init(bd_t *bis)
{
#ifdef CONFIG_SPL_BUILD
#if defined(CONFIG_MX6UL_14X14_EVK_EMMC_REWORK)
imx_iomux_v3_setup_multiple_pads(usdhc2_emmc_pads,
ARRAY_SIZE(usdhc2_emmc_pads));
#else
imx_iomux_v3_setup_multiple_pads(usdhc2_pads, ARRAY_SIZE(usdhc2_pads));
#endif
gpio_direction_output(USDHC2_PWR_GPIO, 0);
udelay(500);
gpio_direction_output(USDHC2_PWR_GPIO, 1);
usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
return fsl_esdhc_initialize(bis, &usdhc_cfg[1]);
#else
int i, ret;
/*
* According to the board_mmc_init() the following map is done:
* (U-boot device node) (Physical Port)
* mmc0 USDHC1
* mmc1 USDHC2
*/
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);
gpio_direction_output(USDHC1_PWR_GPIO, 0);
udelay(500);
gpio_direction_output(USDHC1_PWR_GPIO, 1);
break;
case 1:
#if defined(CONFIG_MX6UL_14X14_EVK_EMMC_REWORK)
imx_iomux_v3_setup_multiple_pads(
usdhc2_emmc_pads, ARRAY_SIZE(usdhc2_emmc_pads));
#else
imx_iomux_v3_setup_multiple_pads(
usdhc2_pads, ARRAY_SIZE(usdhc2_pads));
#endif
gpio_direction_output(USDHC2_PWR_GPIO, 0);
udelay(500);
gpio_direction_output(USDHC2_PWR_GPIO, 1);
usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC2_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) {
printf("Warning: failed to initialize mmc dev %d\n", i);
return ret;
}
}
#endif
return 0;
}
#endif
#ifdef CONFIG_USB_EHCI_MX6
#define USB_OTHERREGS_OFFSET 0x800
#define UCTRL_PWR_POL (1 << 9)
static iomux_v3_cfg_t const usb_otg_pads[] = {
MX6_PAD_GPIO1_IO00__ANATOP_OTG1_ID | MUX_PAD_CTRL(NO_PAD_CTRL),
};
/* At default the 3v3 enables the MIC2026 for VBUS power */
static void setup_usb(void)
{
imx_iomux_v3_setup_multiple_pads(usb_otg_pads,
ARRAY_SIZE(usb_otg_pads));
}
int board_usb_phy_mode(int port)
{
if (port == 1)
return USB_INIT_HOST;
else
return usb_phy_mode(port);
}
int board_ehci_hcd_init(int port)
{
u32 *usbnc_usb_ctrl;
if (port > 1)
return -EINVAL;
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
#ifdef CONFIG_FEC_MXC
/*
* pin conflicts for fec1 and fec2, GPIO1_IO06 and GPIO1_IO07 can only
* be used for ENET1 or ENET2, cannot be used for both.
*/
static iomux_v3_cfg_t const fec1_pads[] = {
MX6_PAD_GPIO1_IO06__ENET1_MDIO | MUX_PAD_CTRL(MDIO_PAD_CTRL),
MX6_PAD_GPIO1_IO07__ENET1_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_ENET1_TX_DATA0__ENET1_TDATA00 | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_ENET1_TX_DATA1__ENET1_TDATA01 | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_ENET1_TX_EN__ENET1_TX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_ENET1_TX_CLK__ENET1_REF_CLK1 | MUX_PAD_CTRL(ENET_CLK_PAD_CTRL),
MX6_PAD_ENET1_RX_DATA0__ENET1_RDATA00 | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_ENET1_RX_DATA1__ENET1_RDATA01 | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_ENET1_RX_ER__ENET1_RX_ER | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_ENET1_RX_EN__ENET1_RX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL),
};
static iomux_v3_cfg_t const fec2_pads[] = {
MX6_PAD_GPIO1_IO06__ENET2_MDIO | MUX_PAD_CTRL(MDIO_PAD_CTRL),
MX6_PAD_GPIO1_IO07__ENET2_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_ENET2_TX_DATA0__ENET2_TDATA00 | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_ENET2_TX_DATA1__ENET2_TDATA01 | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_ENET2_TX_CLK__ENET2_REF_CLK2 | MUX_PAD_CTRL(ENET_CLK_PAD_CTRL),
MX6_PAD_ENET2_TX_EN__ENET2_TX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_ENET2_RX_DATA0__ENET2_RDATA00 | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_ENET2_RX_DATA1__ENET2_RDATA01 | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_ENET2_RX_EN__ENET2_RX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_ENET2_RX_ER__ENET2_RX_ER | MUX_PAD_CTRL(ENET_PAD_CTRL),
};
static void setup_iomux_fec(int fec_id)
{
if (fec_id == 0)
imx_iomux_v3_setup_multiple_pads(fec1_pads,
ARRAY_SIZE(fec1_pads));
else
imx_iomux_v3_setup_multiple_pads(fec2_pads,
ARRAY_SIZE(fec2_pads));
}
int board_eth_init(bd_t *bis)
{
setup_iomux_fec(CONFIG_FEC_ENET_DEV);
return fecmxc_initialize_multi(bis, CONFIG_FEC_ENET_DEV,
CONFIG_FEC_MXC_PHYADDR, IMX_FEC_BASE);
}
static int setup_fec(int fec_id)
{
struct iomuxc *const iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR;
int ret;
if (fec_id == 0) {
/*
* Use 50M anatop loopback REF_CLK1 for ENET1,
* clear gpr1[13], set gpr1[17].
*/
clrsetbits_le32(&iomuxc_regs->gpr[1], IOMUX_GPR1_FEC1_MASK,
IOMUX_GPR1_FEC1_CLOCK_MUX1_SEL_MASK);
} else {
/*
* Use 50M anatop loopback REF_CLK2 for ENET2,
* clear gpr1[14], set gpr1[18].
*/
clrsetbits_le32(&iomuxc_regs->gpr[1], IOMUX_GPR1_FEC2_MASK,
IOMUX_GPR1_FEC2_CLOCK_MUX1_SEL_MASK);
}
ret = enable_fec_anatop_clock(fec_id, ENET_50MHZ);
if (ret)
return ret;
enable_enet_clk(1);
return 0;
}
int board_phy_config(struct phy_device *phydev)
{
phy_write(phydev, MDIO_DEVAD_NONE, 0x1f, 0x8190);
if (phydev->drv->config)
phydev->drv->config(phydev);
return 0;
}
#endif
int board_early_init_f(void)
{
setup_iomux_uart();
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_SYS_I2C_MXC
setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1);
#endif
#ifdef CONFIG_FEC_MXC
setup_fec(CONFIG_FEC_ENET_DEV);
#endif
#ifdef CONFIG_USB_EHCI_MX6
setup_usb();
#endif
#ifdef CONFIG_FSL_QSPI
board_qspi_init();
#endif
return 0;
}
#ifdef CONFIG_CMD_BMODE
static const struct boot_mode board_boot_modes[] = {
/* 4 bit bus width */
{"sd1", MAKE_CFGVAL(0x42, 0x20, 0x00, 0x00)},
{"sd2", MAKE_CFGVAL(0x40, 0x28, 0x00, 0x00)},
{"qspi1", MAKE_CFGVAL(0x10, 0x00, 0x00, 0x00)},
{NULL, 0},
};
#endif
int board_late_init(void)
{
#ifdef CONFIG_CMD_BMODE
add_board_boot_modes(board_boot_modes);
#endif
#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
setenv("board_name", "EVK");
if (is_mx6ul_9x9_evk())
setenv("board_rev", "9X9");
else
setenv("board_rev", "14X14");
#endif
return 0;
}
int checkboard(void)
{
if (is_mx6ul_9x9_evk())
puts("Board: MX6UL 9x9 EVK\n");
else
puts("Board: MX6UL 14x14 EVK\n");
return 0;
}
#ifdef CONFIG_SPL_BUILD
#include <libfdt.h>
#include <spl.h>
#include <asm/arch/mx6-ddr.h>
static struct mx6ul_iomux_grp_regs mx6_grp_ioregs = {
.grp_addds = 0x00000030,
.grp_ddrmode_ctl = 0x00020000,
.grp_b0ds = 0x00000030,
.grp_ctlds = 0x00000030,
.grp_b1ds = 0x00000030,
.grp_ddrpke = 0x00000000,
.grp_ddrmode = 0x00020000,
#ifdef CONFIG_TARGET_MX6UL_9X9_EVK
.grp_ddr_type = 0x00080000,
#else
.grp_ddr_type = 0x000c0000,
#endif
};
#ifdef CONFIG_TARGET_MX6UL_9X9_EVK
static struct mx6ul_iomux_ddr_regs mx6_ddr_ioregs = {
.dram_dqm0 = 0x00000030,
.dram_dqm1 = 0x00000030,
.dram_ras = 0x00000030,
.dram_cas = 0x00000030,
.dram_odt0 = 0x00000000,
.dram_odt1 = 0x00000000,
.dram_sdba2 = 0x00000000,
.dram_sdclk_0 = 0x00000030,
.dram_sdqs0 = 0x00003030,
.dram_sdqs1 = 0x00003030,
.dram_reset = 0x00000030,
};
static struct mx6_mmdc_calibration mx6_mmcd_calib = {
.p0_mpwldectrl0 = 0x00000000,
.p0_mpdgctrl0 = 0x20000000,
.p0_mprddlctl = 0x4040484f,
.p0_mpwrdlctl = 0x40405247,
.mpzqlp2ctl = 0x1b4700c7,
};
static struct mx6_lpddr2_cfg mem_ddr = {
.mem_speed = 800,
.density = 2,
.width = 16,
.banks = 4,
.rowaddr = 14,
.coladdr = 10,
.trcd_lp = 1500,
.trppb_lp = 1500,
.trpab_lp = 2000,
.trasmin = 4250,
};
struct mx6_ddr_sysinfo ddr_sysinfo = {
.dsize = 0,
.cs_density = 18,
.ncs = 1,
.cs1_mirror = 0,
.walat = 0,
.ralat = 5,
.mif3_mode = 3,
.bi_on = 1,
.rtt_wr = 0, /* LPDDR2 does not need rtt_wr rtt_nom */
.rtt_nom = 0,
.sde_to_rst = 0, /* LPDDR2 does not need this field */
.rst_to_cke = 0x10, /* JEDEC value for LPDDR2: 200us */
.ddr_type = DDR_TYPE_LPDDR2,
};
#else
static struct mx6ul_iomux_ddr_regs mx6_ddr_ioregs = {
.dram_dqm0 = 0x00000030,
.dram_dqm1 = 0x00000030,
.dram_ras = 0x00000030,
.dram_cas = 0x00000030,
.dram_odt0 = 0x00000030,
.dram_odt1 = 0x00000030,
.dram_sdba2 = 0x00000000,
.dram_sdclk_0 = 0x00000008,
.dram_sdqs0 = 0x00000038,
.dram_sdqs1 = 0x00000030,
.dram_reset = 0x00000030,
};
static struct mx6_mmdc_calibration mx6_mmcd_calib = {
.p0_mpwldectrl0 = 0x00070007,
.p0_mpdgctrl0 = 0x41490145,
.p0_mprddlctl = 0x40404546,
.p0_mpwrdlctl = 0x4040524D,
};
struct mx6_ddr_sysinfo ddr_sysinfo = {
.dsize = 0,
.cs_density = 20,
.ncs = 1,
.cs1_mirror = 0,
.rtt_wr = 2,
.rtt_nom = 1, /* RTT_Nom = RZQ/2 */
.walat = 1, /* Write additional latency */
.ralat = 5, /* Read additional latency */
.mif3_mode = 3, /* Command prediction working mode */
.bi_on = 1, /* Bank interleaving enabled */
.sde_to_rst = 0x10, /* 14 cycles, 200us (JEDEC default) */
.rst_to_cke = 0x23, /* 33 cycles, 500us (JEDEC default) */
.ddr_type = DDR_TYPE_DDR3,
};
static struct mx6_ddr3_cfg mem_ddr = {
.mem_speed = 800,
.density = 4,
.width = 16,
.banks = 8,
.rowaddr = 15,
.coladdr = 10,
.pagesz = 2,
.trcd = 1375,
.trcmin = 4875,
.trasmin = 3500,
};
#endif
static void ccgr_init(void)
{
struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
writel(0xFFFFFFFF, &ccm->CCGR0);
writel(0xFFFFFFFF, &ccm->CCGR1);
writel(0xFFFFFFFF, &ccm->CCGR2);
writel(0xFFFFFFFF, &ccm->CCGR3);
writel(0xFFFFFFFF, &ccm->CCGR4);
writel(0xFFFFFFFF, &ccm->CCGR5);
writel(0xFFFFFFFF, &ccm->CCGR6);
writel(0xFFFFFFFF, &ccm->CCGR7);
}
static void spl_dram_init(void)
{
mx6ul_dram_iocfg(mem_ddr.width, &mx6_ddr_ioregs, &mx6_grp_ioregs);
mx6_dram_cfg(&ddr_sysinfo, &mx6_mmcd_calib, &mem_ddr);
}
void board_init_f(ulong dummy)
{
/* setup AIPS and disable watchdog */
arch_cpu_init();
ccgr_init();
/* iomux and setup of i2c */
board_early_init_f();
/* setup GP timer */
timer_init();
/* UART clocks enabled and gd valid - init serial console */
preloader_console_init();
/* DDR initialization */
spl_dram_init();
/* Clear the BSS. */
memset(__bss_start, 0, __bss_end - __bss_start);
/* load/boot image from boot device */
board_init_r(NULL, 0);
}
void reset_cpu(ulong addr)
{
}
#endif
|