summaryrefslogtreecommitdiff
path: root/board/isee/igep0046/igep0046.c
blob: ce1171787f5bd28e02f140dd6ccbf7962ba48e71 (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
/*
 * Copyright (C) 2016 ISEE 2007 SL - http://www.isee.biz
 *
 * Source file for IGEP0046 board
 *
 * Author: Jose Miguel Sanchez Sanabria <jsanabria@iseebcn.com>
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#include <common.h>
#include <asm/arch/clock.h>
#include <asm/arch/imx-regs.h>
#include <asm/arch/iomux.h>
#include <asm/arch/mx6-pins.h>
#include <linux/errno.h>
#include <asm/gpio.h>
#include <asm/imx-common/mxc_i2c.h>
#include <asm/imx-common/iomux-v3.h>
#include <asm/imx-common/boot_mode.h>
#include <mmc.h>
#include <fsl_esdhc.h>
#include <malloc.h>
#include <miiphy.h>
#include <netdev.h>
#include <asm/arch/crm_regs.h>
#include <asm/arch/sys_proto.h>
#include <asm/arch-mx6/sys_proto.h>
#include <asm/arch/mx6-ddr.h>
#include <i2c.h>
#include <asm/io.h>
#include <power/pmic.h>
#include <power/pfuze100_pmic.h>
#include "pfuze.h"
#include "igep0046_eeprom.h"
#include "../common/igep_common.h"
#include <usb.h>

DECLARE_GLOBAL_DATA_PTR;

/* MACRO MUX defines */
#define UART_PAD_CTRL  (PAD_CTL_PUS_100K_UP |	\
	PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm |	\
	PAD_CTL_SRE_FAST  | PAD_CTL_HYS)

#define GPIO_VERSION_PAD_CTRL  (PAD_CTL_PUS_100K_UP |	\
	PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm |	\
	PAD_CTL_SRE_FAST)

#define GPIO_LED_PAD_CTRL  (PAD_CTL_PUS_22K_UP |	\
	PAD_CTL_SPEED_LOW | PAD_CTL_DSE_40ohm |	\
	PAD_CTL_SRE_FAST )

#define USDHC_PAD_CTRL (PAD_CTL_PUS_47K_UP |	\
	PAD_CTL_SPEED_LOW | PAD_CTL_DSE_48ohm |	\
	PAD_CTL_SRE_FAST  | PAD_CTL_HYS |	\
	PAD_CTL_PUE | PAD_CTL_PKE)

#define USDHC_CLK_PAD_CTRL (PAD_CTL_PUS_100K_DOWN |	\
	PAD_CTL_SPEED_LOW | PAD_CTL_DSE_48ohm |	\
	PAD_CTL_SRE_FAST  | PAD_CTL_HYS)

#define ENET_PAD_CTRL  (PAD_CTL_PUS_100K_UP |	\
	PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS)

#ifdef CONFIG_SYS_I2C
#define I2C_PAD_CTRL  ( PAD_CTL_ODE | PAD_CTL_SPEED_MED |	\
	PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS)
#define I2C_PMIC	1
#define I2C_PAD MUX_PAD_CTRL(I2C_PAD_CTRL)
#endif

#ifdef CONFIG_USB_EHCI_MX6
#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)
#endif

#define PCB_CFG_0	IMX_GPIO_NR(3, 22)
#define PCB_CFG_1	IMX_GPIO_NR(3, 23)
#define PCB_CFG_2	IMX_GPIO_NR(3, 29)
#define PCB_CFG_3	IMX_GPIO_NR(6, 31)
#define PCB_REV_A	1
#define PCB_REV_B	2
#define PCB_REV_C	3
#define PCB_REV_D10	4


int dram_init(void)
{
	gd->ram_size = imx_ddr_size();
	return 0;
}

/* UART MUX */
static iomux_v3_cfg_t const uart1_pads[] =
{
	MX6_PAD_CSI0_DAT10__UART1_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
	MX6_PAD_CSI0_DAT11__UART1_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
};

static iomux_v3_cfg_t const uart2_pads[] =
{
	MX6_PAD_EIM_D26__UART2_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
	MX6_PAD_EIM_D27__UART2_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
};

/* SDIO MUX */
iomux_v3_cfg_t const usdhc1_pads[] =
{
	MX6_PAD_SD1_CLK__SD1_CLK		| MUX_PAD_CTRL(USDHC_CLK_PAD_CTRL),
	MX6_PAD_SD1_CMD__SD1_CMD		| MUX_PAD_CTRL(USDHC_PAD_CTRL),
	MX6_PAD_SD1_DAT0__SD1_DATA0	| MUX_PAD_CTRL(USDHC_PAD_CTRL),
	MX6_PAD_SD1_DAT1__SD1_DATA1	| MUX_PAD_CTRL(USDHC_PAD_CTRL),
	MX6_PAD_SD1_DAT2__SD1_DATA2	| MUX_PAD_CTRL(USDHC_PAD_CTRL),
	MX6_PAD_SD1_DAT3__SD1_DATA3	| MUX_PAD_CTRL(USDHC_PAD_CTRL),
	MX6_PAD_GPIO_2__GPIO1_IO02  | MUX_PAD_CTRL(NO_PAD_CTRL),
};
/* eMMC MUX */
iomux_v3_cfg_t const usdhc3_pads[] =
{
	MX6_PAD_SD3_CLK__SD3_CLK   	| MUX_PAD_CTRL(USDHC_CLK_PAD_CTRL),
	MX6_PAD_SD3_CMD__SD3_CMD   	| MUX_PAD_CTRL(USDHC_PAD_CTRL),
	MX6_PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
	MX6_PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
	MX6_PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
	MX6_PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
	MX6_PAD_SD3_DAT4__SD3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
	MX6_PAD_SD3_DAT5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
	MX6_PAD_SD3_DAT6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
	MX6_PAD_SD3_DAT7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
};
/* Ethernet MUX */
iomux_v3_cfg_t const enet_pads[] =
{
	MX6_PAD_ENET_MDIO__ENET_MDIO				| MUX_PAD_CTRL(ENET_PAD_CTRL),
	MX6_PAD_ENET_MDC__ENET_MDC				| MUX_PAD_CTRL(ENET_PAD_CTRL),
	MX6_PAD_RGMII_TXC__RGMII_TXC				| MUX_PAD_CTRL(ENET_PAD_CTRL),
	MX6_PAD_RGMII_TD0__RGMII_TD0				| MUX_PAD_CTRL(ENET_PAD_CTRL),
	MX6_PAD_RGMII_TD1__RGMII_TD1				| MUX_PAD_CTRL(ENET_PAD_CTRL),
	MX6_PAD_RGMII_TD2__RGMII_TD2				| MUX_PAD_CTRL(ENET_PAD_CTRL),
	MX6_PAD_RGMII_TD3__RGMII_TD3				| MUX_PAD_CTRL(ENET_PAD_CTRL),
	MX6_PAD_RGMII_TX_CTL__RGMII_TX_CTL			| MUX_PAD_CTRL(ENET_PAD_CTRL),
	MX6_PAD_ENET_REF_CLK__ENET_TX_CLK			| MUX_PAD_CTRL(ENET_PAD_CTRL),
	MX6_PAD_RGMII_RXC__RGMII_RXC				| MUX_PAD_CTRL(ENET_PAD_CTRL),
	MX6_PAD_RGMII_RD0__RGMII_RD0				| MUX_PAD_CTRL(ENET_PAD_CTRL),
	MX6_PAD_RGMII_RD1__RGMII_RD1				| MUX_PAD_CTRL(ENET_PAD_CTRL),
	MX6_PAD_RGMII_RD2__RGMII_RD2				| MUX_PAD_CTRL(ENET_PAD_CTRL),
	MX6_PAD_RGMII_RD3__RGMII_RD3				| MUX_PAD_CTRL(ENET_PAD_CTRL),
	MX6_PAD_RGMII_RX_CTL__RGMII_RX_CTL			| MUX_PAD_CTRL(ENET_PAD_CTRL),
	/* Marvell Alaska PHY Reset */
	MX6_PAD_ENET_CRS_DV__GPIO1_IO25				| MUX_PAD_CTRL(NO_PAD_CTRL),
};
/* GPIO MISC MUX */
static iomux_v3_cfg_t const init_pads[] =
{
	/* PCB GPIO to Detect Module Version */
	MX6_PAD_EIM_D22__GPIO3_IO22  | MUX_PAD_CTRL(GPIO_VERSION_PAD_CTRL),
	MX6_PAD_EIM_D23__GPIO3_IO23  | MUX_PAD_CTRL(GPIO_VERSION_PAD_CTRL),
	MX6_PAD_EIM_D29__GPIO3_IO29  | MUX_PAD_CTRL(GPIO_VERSION_PAD_CTRL),
	MX6_PAD_EIM_BCLK__GPIO6_IO31 | MUX_PAD_CTRL(GPIO_VERSION_PAD_CTRL),
	/* PCB GPIO LEDs */
	MX6_PAD_DI0_PIN2__GPIO4_IO18  | MUX_PAD_CTRL(GPIO_LED_PAD_CTRL),
	MX6_PAD_DI0_PIN3__GPIO4_IO19  | MUX_PAD_CTRL(GPIO_LED_PAD_CTRL),
	MX6_PAD_DI0_PIN4__GPIO4_IO20  | MUX_PAD_CTRL(GPIO_LED_PAD_CTRL),
	MX6_PAD_DI0_PIN15__GPIO4_IO17 | MUX_PAD_CTRL(GPIO_LED_PAD_CTRL),
	#ifdef CONFIG_BASE0040
	/* TLV320AIC3106 Audio codec Reset*/
	MX6_PAD_KEY_COL2__GPIO4_IO10 | MUX_PAD_CTRL(NO_PAD_CTRL),
	/* USB2514 HUB Reset */
	MX6_PAD_CSI0_DAT4__GPIO5_IO22 | MUX_PAD_CTRL(NO_PAD_CTRL),
	/* USB Power Lines */
	MX6_PAD_CSI0_DAT5__GPIO5_IO23 | MUX_PAD_CTRL(NO_PAD_CTRL),
	MX6_PAD_CSI0_DAT6__GPIO5_IO24 | MUX_PAD_CTRL(NO_PAD_CTRL),
	MX6_PAD_CSI0_DAT7__GPIO5_IO25 | MUX_PAD_CTRL(NO_PAD_CTRL),
	#endif
};

const uchar igep_mac0 [6] = { 0x02, 0x00, 0x00, 0x00, 0x00, 0xff };
static int igep_eeprom_valid = 0;
static struct igep_mf_setup igep0046_eeprom_config;

/* I2C MUX */
#ifdef CONFIG_SYS_I2C
static struct i2c_pads_info i2c_pad_info1 =
{
	.scl =
	{
		.i2c_mode = MX6_PAD_KEY_COL3__I2C2_SCL | I2C_PAD,
		.gpio_mode = MX6_PAD_KEY_COL3__GPIO4_IO12 | I2C_PAD,
		.gp = IMX_GPIO_NR(4, 12)
	},
	.sda =
	{
		.i2c_mode = MX6_PAD_KEY_ROW3__I2C2_SDA | I2C_PAD,
		.gpio_mode = MX6_PAD_KEY_ROW3__GPIO4_IO13 | I2C_PAD,
		.gp = IMX_GPIO_NR(4, 13)
	}
};

static struct i2c_pads_info i2c_pad_info2 =
{
	.scl =
	{
		.i2c_mode = MX6_PAD_EIM_D17__I2C3_SCL | I2C_PAD,
		.gpio_mode = MX6_PAD_EIM_D17__GPIO3_IO17 | I2C_PAD,
		.gp = IMX_GPIO_NR(3, 17)
	},
	.sda =
	{
		.i2c_mode = MX6_PAD_EIM_D18__I2C3_SDA | I2C_PAD,
		.gpio_mode = MX6_PAD_EIM_D18__GPIO3_IO18 | I2C_PAD,
		.gp = IMX_GPIO_NR(3, 18)
	}
};
#endif

static void setup_iomux_uart(void)
{
	imx_iomux_v3_setup_multiple_pads(uart2_pads, ARRAY_SIZE(uart2_pads));
}

#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_ENET_RX_ER__USB_OTG_ID | MUX_PAD_CTRL(OTG_ID_PAD_CTRL),
};

#ifdef CONFIG_BASE0040
static void reset_audio(void)
{
	/* Audio Reset */
	gpio_direction_output(IMX_GPIO_NR(4, 10), 0);
	mdelay(5);
}

static void reset_usb_hub(void)
{
	/* Activate USB_PWRx */
	gpio_direction_output(IMX_GPIO_NR(5, 23), 1);
	gpio_direction_output(IMX_GPIO_NR(5, 24), 1);
	gpio_direction_output(IMX_GPIO_NR(5, 25), 1);
}
#endif

static void setup_usb(void)
{
	imx_iomux_v3_setup_multiple_pads(usb_otg_pads,
					 ARRAY_SIZE(usb_otg_pads));
}

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);

	setbits_le32(usbnc_usb_ctrl, UCTRL_PWR_POL);

	return 0;
}
#endif

#ifdef CONFIG_FSL_ESDHC
struct fsl_esdhc_cfg usdhc_cfg[CONFIG_SYS_FSL_USDHC_NUM] =
{
	{USDHC1_BASE_ADDR},
	{USDHC3_BASE_ADDR},
};

#define USDHC1_CD_GPIO		IMX_GPIO_NR(1, 1)

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; /* eMMC/uSDHC3 is always present */
		break;
	}

	return ret;
}

int board_mmc_init(bd_t *bis)
{
	int ret;
	int i;
	/*
	 * According to the board_mmc_init() the following map is done:
	 * (U-boot device node)    (Physical Port)
	 * mmc0                    SD1 (external SDIO)
	 * mmc1                    SD3 (internal 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_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(
				usdhc3_pads, ARRAY_SIZE(usdhc3_pads));
			usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
			break;
		default:
			printf("Warning: you configured more USDHC controllers"
			       "(%d) then supported by the board (%d)\n",
			       i + 1, CONFIG_SYS_FSL_USDHC_NUM);
			return -EINVAL;
		}

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

	return 0;
}
#endif

static void setup_iomux_enet(void)
{
	imx_iomux_v3_setup_multiple_pads(enet_pads, ARRAY_SIZE(enet_pads));
	gpio_request(IMX_GPIO_NR(1, 25), "ENET PHY Reset");
	gpio_direction_output(IMX_GPIO_NR(1, 25) , 0);
	mdelay(15);
	gpio_set_value(IMX_GPIO_NR(1, 25), 1);
	mdelay(10);
}

int board_phy_config(struct phy_device *phydev)
{
	unsigned short val;
	
	/* Marvel 88E1510 */
	if (phydev->phy_id == 0x1410dd1) {
		/*
		 * Page 3, Register 16: LED[2:0] Function Control Register
		 * LED[0] (SPD:Amber) R16_3.3:0 to 0111: on-GbE link
		 * LED[1] (LNK:Green) R16_3.7:4 to 0001: on-link, blink-activity
		 */
		phy_write(phydev, MDIO_DEVAD_NONE, 22, 3);
		val = phy_read(phydev, MDIO_DEVAD_NONE, 16);
		val &= 0xff00;
		val |= 0x0017;
		phy_write(phydev, MDIO_DEVAD_NONE, 16, val);
		phy_write(phydev, MDIO_DEVAD_NONE, 22, 0);
	}
	if (phydev->drv->config)
		phydev->drv->config(phydev);
	return 0;
}

const uchar* get_mac_address (void)
{
	if(igep_eeprom_valid)
		return igep0046_eeprom_config.bmac0;
	return igep_mac0;
}

int board_eth_init(bd_t *bis)
{

	eth_setenv_enetaddr("ethaddr", get_mac_address());
	setup_iomux_enet();
#ifdef CONFIG_FEC_MXC
	cpu_eth_init(bis);
#endif
	return 0;
}

int checkboard(void)
{
	return 0;
}

int board_early_init_f(void)
{
	setup_iomux_uart();

	imx_iomux_v3_setup_multiple_pads(init_pads, ARRAY_SIZE(init_pads));

	/* configure LEDS */
	gpio_direction_output(IMX_GPIO_NR(4, 18), 0);
	gpio_direction_output(IMX_GPIO_NR(4, 19), 1);
	gpio_direction_output(IMX_GPIO_NR(4, 20), 0);
	gpio_direction_output(IMX_GPIO_NR(4, 17), 1);
	return 0;
}

int board_init(void)
{
	u32 crc_value = 0;
   	u32 crc_save_value = 0;

#ifdef CONFIG_BASE0040
	reset_audio();
#endif

#ifdef CONFIG_SYS_I2C
	setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1);
	setup_i2c(2, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info2);
	mdelay(1);
#endif

    if(check_eeprom() != 0){
	printf("EEPROM: not found\n");
    }else{
		/* Read configuration from eeprom */
		if(eeprom46_read_setup(0, (char*) &igep0046_eeprom_config, sizeof(struct igep_mf_setup)))
	  	printf("EEPROM: read fail\n");	
		/* Verify crc32 */
	   	crc_save_value = igep0046_eeprom_config.crc32;
    	igep0046_eeprom_config.crc32 = 0;
	   	crc_value = crc32(0, (const unsigned char*) &igep0046_eeprom_config, sizeof(struct igep_mf_setup));
		if(crc_save_value != crc_value){
       	printf("EEPROM: CRC32 failed. Loading default MAC\n");				
		}else{
	    printf("EEPROM: CRC32 OK! Loading MAC from eeprom\n");	       		
	  	igep_eeprom_valid = 1;
		}
	}

#ifdef CONFIG_BASE0040
	reset_usb_hub();
#endif

#ifdef CONFIG_USB_EHCI_MX6
	setup_usb();
#endif

	return 0;	
}

static inline unsigned int pcb_version(void)
{
	unsigned int pcb_version_bit0, pcb_version_bit1,
		pcb_version_bit2, pcb_version_bit3;

	pcb_version_bit0 = gpio_get_value(PCB_CFG_0);
	pcb_version_bit1 = gpio_get_value(PCB_CFG_1);
	pcb_version_bit2 = gpio_get_value(PCB_CFG_2);
	pcb_version_bit3 = gpio_get_value(PCB_CFG_3);

	if (pcb_version_bit0 && pcb_version_bit1 \
		&& pcb_version_bit2 && pcb_version_bit3)
		/* RA revision: 0b1111*/
		return PCB_REV_A;
	else if (!(pcb_version_bit0 || pcb_version_bit1 \
		|| pcb_version_bit2 || pcb_version_bit3))
		/* RB revision: 0b0000*/
		return PCB_REV_B;
	else if (!(!(pcb_version_bit0) || pcb_version_bit1 \
		|| pcb_version_bit2 || pcb_version_bit3))
		/* RC revision: 0b0001*/
		return PCB_REV_C;
	else if (!(pcb_version_bit0 || pcb_version_bit1 \
		|| pcb_version_bit2 || !(pcb_version_bit3)))
		/* RD10 revision: 0b1000*/
		return PCB_REV_D10;
	else
		return 0;
}

int board_late_init(void)
{	
	checkboard();
	puts("\n");
	switch (pcb_version()) {
		case PCB_REV_A:
			puts("Board: MX6-IGEP0046 Rev A\n");
	#ifdef CONFIG_MX6Q
			setenv("fdt_file", "imx6q-igep-base0040ra1.dtb");
	#elif CONFIG_MX6DL
			setenv("fdt_file", "imx6dl-igep-base0040ra1.dtb");
	#endif
			break;
		case PCB_REV_B:
			puts("Board: MX6-IGEP0046 Rev B\n");
	#ifdef CONFIG_MX6Q
			setenv("fdt_file", "imx6q-igep-base0040rb2.dtb");
	#elif CONFIG_MX6DL
			setenv("fdt_file", "imx6dl-igep-base0040rb2.dtb");
	#endif
			break;
		case PCB_REV_C:
			puts("Board: MX6-IGEP0046 Rev C/D\n");
	#ifdef CONFIG_MX6Q
			setenv("fdt_file", "imx6q-igep-base0040rc2.dtb");
	#elif CONFIG_MX6DL
			setenv("fdt_file", "imx6dl-igep-base0040rc2.dtb");
	#endif
			break;
		case PCB_REV_D10:
			puts("Board: MX6-IGEP0046 Rev D10\n");
	#ifdef CONFIG_MX6Q
			setenv("fdt_file", "imx6q-igep-base0040rd102.dtb");
	#elif CONFIG_MX6DL
			setenv("fdt_file", "imx6dl-igep-base0040rd102.dtb");
	#endif
			break;
		default:
			puts("Board: ERROR unknown PCB revision\n");
			setenv("fdt_file", "");
			break;
	}
	return 0;
}

#ifdef CONFIG_LDO_BYPASS_CHECK
/* TODO, use external pmic, for now always ldo_enable */
void ldo_mode_set(int ldo_bypass)
{
	return;
}
#endif

#ifdef CONFIG_POWER
int power_init_board(void)
{
#ifdef CONFIG_SYS_I2C 
	struct pmic *p;
	unsigned int reg, ret;

	p = pfuze_common_init(I2C_PMIC);
	if (!p)
		return -ENODEV;

	ret = pfuze_mode_init(p, APS_PFM);
	if (ret < 0)
		return ret;

	/* Increase VGEN5 from 2.8 to 3V */
	pmic_reg_read(p, PFUZE100_VGEN5VOL, &reg);
	reg &= ~LDO_VOL_MASK;
	reg |= LDOB_3_00V;
	pmic_reg_write(p, PFUZE100_VGEN5VOL, reg);

	/* Decrease VGEN6 from 3.3 to 2.5V */
	pmic_reg_read(p, PFUZE100_VGEN6VOL, &reg);
	reg &= ~LDO_VOL_MASK;
	reg |= LDOB_2_50V;
	pmic_reg_write(p, PFUZE100_VGEN6VOL, reg);
#endif
	return 0;
}
#endif


#ifdef CONFIG_RESET_PHY_R
void mv_phy_88e1510_init(char *name)
{
	u16 val;
	u16 devadr;

	if (miiphy_set_current_dev(name))
		return;

	/* command to read PHY dev address */
	if (miiphy_read(name, 0xEE, 0xEE, (u16 *) &devadr)) {
		printf("Err..%s could not read PHY dev address\n",
			__FUNCTION__);
		return;
	}

	/*
	* Page 2 Register 24: RGMII Output Impedance Calibration Override
	* VDDO Level R24_2.13: 1; 2.5V used
	*/
	miiphy_write(name, 0, 22, 2);
	miiphy_read(name, 0, 24, &val);
	val |= 0x2000;
	miiphy_write(name, 0, 24, val);

	/*
	* Page 0 Register 9: 1000BASE-T Control Register
	* 1000BASE-T Full-Duplex R0_9.8: 0 Do not advertise
	* 1000BASE-T Half-Duplex R0_9.7: 0 Do not advertise
	*/
	miiphy_write(name, 0, 22, 0);
	miiphy_read(name, 0, 9, &val);
	val = 0x0000;
	miiphy_write(name, 0, 9, val);

	/*
	* Page 0 Register 0: Copper Control Register
	* Copper Reset R0_0.15: 1; PHY Software reset
	* Auto-Negotiation Enable R0_0.12: 1; Enable Auto-Negotiation Process
	*/
	miiphy_write(name, 0, 22, 0);
	miiphy_read(name, 0, 0, &val);
	val |= 0x9000;
	miiphy_write(name, 0, 0, val);
	miiphy_write(name, 0, 22, 0);

	printf("88E1510 Initialized on %s\n", name);
}

void reset_phy(void)
{
	/* configure and initialize */
	mv_phy_88e1510_init("FEC");
}
#endif /* CONFIG_RESET_PHY_R */