summaryrefslogtreecommitdiff
path: root/board/grinn/liteboard/patches/uboot/0002-board-liteboard-Add-support-for-liteBoard.patch
blob: 85c2df8850734b1a62ff4bd67b834d4b5d04e750 (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
From 31fcf28e63781d2de1bc0f5f2bce1e72cac4961e Mon Sep 17 00:00:00 2001
From: Marcin Niestroj <m.niestroj@grinn-global.com>
Date: Fri, 16 Sep 2016 14:44:27 +0200
Subject: [PATCH 2/2] board/liteboard: Add support for liteBoard

liteBoard is a development board which uses liteSOM as its base.

Hardware specification:
 * liteSOM (i.MX6UL, DRAM, eMMC)
 * Ethernet PHY (id 0)
 * USB host (usb_otg1)
 * MicroSD slot (uSDHC1)

Signed-off-by: Marcin Niestroj <m.niestroj@grinn-global.com>
---
 arch/arm/cpu/armv7/mx6/Kconfig    |   5 +
 board/grinn/liteboard/Kconfig     |  12 ++
 board/grinn/liteboard/MAINTAINERS |   6 +
 board/grinn/liteboard/Makefile    |   6 +
 board/grinn/liteboard/README      |  31 +++++
 board/grinn/liteboard/board.c     | 270 ++++++++++++++++++++++++++++++++++++++
 configs/liteboard_defconfig       |  22 ++++
 include/configs/liteboard.h       | 174 ++++++++++++++++++++++++
 8 files changed, 526 insertions(+)
 create mode 100644 board/grinn/liteboard/Kconfig
 create mode 100644 board/grinn/liteboard/MAINTAINERS
 create mode 100644 board/grinn/liteboard/Makefile
 create mode 100644 board/grinn/liteboard/README
 create mode 100644 board/grinn/liteboard/board.c
 create mode 100644 configs/liteboard_defconfig
 create mode 100644 include/configs/liteboard.h

diff --git a/arch/arm/cpu/armv7/mx6/Kconfig b/arch/arm/cpu/armv7/mx6/Kconfig
index 4214ab5..e24d0a1 100644
--- a/arch/arm/cpu/armv7/mx6/Kconfig
+++ b/arch/arm/cpu/armv7/mx6/Kconfig
@@ -144,6 +144,10 @@ config TARGET_PICO_IMX6UL
 	bool "PICO-IMX6UL-EMMC"
 	select MX6UL
 
+config TARGET_LITEBOARD
+	bool "Grinn liteBoard (i.MX6UL)"
+	select LITESOM
+
 config TARGET_PLATINUM_PICON
 	bool "platinum-picon"
 	select SUPPORT_SPL
@@ -222,6 +226,7 @@ source "board/freescale/mx6slevk/Kconfig"
 source "board/freescale/mx6sxsabresd/Kconfig"
 source "board/freescale/mx6sxsabreauto/Kconfig"
 source "board/freescale/mx6ul_14x14_evk/Kconfig"
+source "board/grinn/liteboard/Kconfig"
 source "board/phytec/pcm058/Kconfig"
 source "board/gateworks/gw_ventana/Kconfig"
 source "board/kosagi/novena/Kconfig"
diff --git a/board/grinn/liteboard/Kconfig b/board/grinn/liteboard/Kconfig
new file mode 100644
index 0000000..e035872
--- /dev/null
+++ b/board/grinn/liteboard/Kconfig
@@ -0,0 +1,12 @@
+if TARGET_LITEBOARD
+
+config SYS_BOARD
+	default "liteboard"
+
+config SYS_VENDOR
+	default "grinn"
+
+config SYS_CONFIG_NAME
+	default "liteboard"
+
+endif
diff --git a/board/grinn/liteboard/MAINTAINERS b/board/grinn/liteboard/MAINTAINERS
new file mode 100644
index 0000000..b4474f1
--- /dev/null
+++ b/board/grinn/liteboard/MAINTAINERS
@@ -0,0 +1,6 @@
+LITEBOARD
+M:	Marcin Niestroj <m.niestroj@grinn-global.com>
+S:	Maintained
+F:	board/grinn/liteboard/
+F:	include/configs/liteboard.h
+F:	configs/liteboard_defconfig
diff --git a/board/grinn/liteboard/Makefile b/board/grinn/liteboard/Makefile
new file mode 100644
index 0000000..e2492d6
--- /dev/null
+++ b/board/grinn/liteboard/Makefile
@@ -0,0 +1,6 @@
+# (C) Copyright 2016 Grinn
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+obj-y  := board.o
diff --git a/board/grinn/liteboard/README b/board/grinn/liteboard/README
new file mode 100644
index 0000000..bee0394
--- /dev/null
+++ b/board/grinn/liteboard/README
@@ -0,0 +1,31 @@
+How to use U-Boot on Grinn's liteBoard
+--------------------------------------
+
+- Build U-Boot for liteBoard:
+
+$ make mrproper
+$ make liteboard_defconfig
+$ make
+
+This will generate the SPL image called SPL and the u-boot.img.
+
+- Flash the SPL image into the micro SD card:
+
+sudo dd if=SPL of=/dev/mmcblk0 bs=1k seek=1; sync
+
+- Flash the u-boot.img image into the micro SD card:
+
+sudo dd if=u-boot.img of=/dev/mmcblk0 bs=1k seek=69; sync
+
+- Jumper settings:
+
+S1: 0 1 0 1 1 1
+
+where 0 means bottom position and 1 means top position (from the
+switch label numbers reference).
+
+- Insert the micro SD card in the board.
+
+- Connect USB cable between liteBoard and the PC for the power and console.
+
+- U-Boot messages should come up.
diff --git a/board/grinn/liteboard/board.c b/board/grinn/liteboard/board.c
new file mode 100644
index 0000000..89d525a
--- /dev/null
+++ b/board/grinn/liteboard/board.c
@@ -0,0 +1,270 @@
+/*
+ * Copyright (C) 2015-2016 Freescale Semiconductor, Inc.
+ * Copyright (C) 2016 Grinn
+ *
+ * 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/io.h>
+#include <common.h>
+#include <fsl_esdhc.h>
+#include <linux/sizes.h>
+#include <linux/fb.h>
+#include <mach/litesom.h>
+#include <miiphy.h>
+#include <mmc.h>
+#include <netdev.h>
+#include <usb.h>
+#include <usb/ehci-ci.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 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)
+
+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 sd_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),
+
+	/* CD */
+	MX6_PAD_UART1_RTS_B__GPIO1_IO19 | MUX_PAD_CTRL(NO_PAD_CTRL),
+};
+
+#ifdef CONFIG_FEC_MXC
+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 void setup_iomux_fec(void)
+{
+	imx_iomux_v3_setup_multiple_pads(fec1_pads, ARRAY_SIZE(fec1_pads));
+}
+#endif
+
+static void setup_iomux_uart(void)
+{
+	imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
+}
+
+#ifdef CONFIG_FSL_ESDHC
+static struct fsl_esdhc_cfg sd_cfg = {USDHC1_BASE_ADDR, 0, 4};
+
+#define SD_CD_GPIO	IMX_GPIO_NR(1, 19)
+
+static int mmc_get_env_devno(void)
+{
+	u32 soc_sbmr = readl(SRC_BASE_ADDR + 0x4);
+	int dev_no;
+	u32 bootsel;
+
+	bootsel = (soc_sbmr & 0x000000FF) >> 6;
+
+	/* If not boot from sd/mmc, use default value */
+	if (bootsel != 1)
+		return CONFIG_SYS_MMC_ENV_DEV;
+
+	/* BOOT_CFG2[3] and BOOT_CFG2[4] */
+	dev_no = (soc_sbmr & 0x00001800) >> 11;
+
+	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(SD_CD_GPIO);
+		break;
+	case USDHC2_BASE_ADDR:
+		ret = 1;
+		break;
+	}
+
+	return ret;
+}
+
+int board_mmc_init(bd_t *bis)
+{
+	int ret;
+
+	/* SD */
+	imx_iomux_v3_setup_multiple_pads(sd_pads, ARRAY_SIZE(sd_pads));
+	gpio_direction_input(SD_CD_GPIO);
+	sd_cfg.sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
+
+	ret = fsl_esdhc_initialize(bis, &sd_cfg);
+	if (ret) {
+		printf("Warning: failed to initialize mmc dev 0 (SD)\n");
+		return ret;
+	}
+
+	return litesom_mmc_init(bis);
+}
+
+static int check_mmc_autodetect(void)
+{
+	char *autodetect_str = getenv("mmcautodetect");
+
+	if ((autodetect_str != NULL) &&
+	    (strcmp(autodetect_str, "yes") == 0)) {
+		return 1;
+	}
+
+	return 0;
+}
+
+void board_late_mmc_init(void)
+{
+	char cmd[32];
+	char mmcblk[32];
+	u32 dev_no = mmc_get_env_devno();
+
+	if (!check_mmc_autodetect())
+		return;
+
+	setenv_ulong("mmcdev", dev_no);
+
+	/* Set mmcblk env */
+	sprintf(mmcblk, "/dev/mmcblk%dp2 rootwait rw",
+		dev_no);
+	setenv("mmcroot", mmcblk);
+
+	sprintf(cmd, "mmc dev %d", dev_no);
+	run_command(cmd, 0);
+}
+#endif
+
+#ifdef CONFIG_FEC_MXC
+int board_eth_init(bd_t *bis)
+{
+	setup_iomux_fec();
+
+	return fecmxc_initialize(bis);
+}
+
+static int setup_fec(void)
+{
+	struct iomuxc *const iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR;
+	int ret;
+
+	/* 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);
+
+	ret = enable_fec_anatop_clock(0, ENET_50MHZ);
+	if (ret)
+		return ret;
+
+	enable_enet_clk(1);
+
+	return 0;
+}
+#endif
+
+#ifdef CONFIG_USB_EHCI_MX6
+int board_usb_phy_mode(int port)
+{
+	return USB_INIT_HOST;
+}
+#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;
+
+#ifdef	CONFIG_FEC_MXC
+	setup_fec();
+#endif
+
+	return 0;
+}
+
+#ifdef CONFIG_CMD_BMODE
+static const struct boot_mode board_boot_modes[] = {
+	/* 4 bit bus width */
+	{"sd",   MAKE_CFGVAL(0x42, 0x20, 0x00, 0x00)},
+	{"emmc", MAKE_CFGVAL(0x40, 0x28, 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_IS_IN_MMC
+	board_late_mmc_init();
+#endif
+
+	return 0;
+}
+
+int checkboard(void)
+{
+	puts("Board: Grinn liteBoard\n");
+
+	return 0;
+}
+
+#ifdef CONFIG_SPL_BUILD
+void board_init_f(ulong dummy)
+{
+	litesom_init_f();
+}
+#endif
diff --git a/configs/liteboard_defconfig b/configs/liteboard_defconfig
new file mode 100644
index 0000000..f853461
--- /dev/null
+++ b/configs/liteboard_defconfig
@@ -0,0 +1,22 @@
+CONFIG_ARM=y
+CONFIG_ARCH_MX6=y
+CONFIG_TARGET_LITEBOARD=y
+CONFIG_SPL=y
+CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=arch/arm/imx-common/spl_sd.cfg"
+CONFIG_BOOTDELAY=1
+CONFIG_HUSH_PARSER=y
+CONFIG_CMD_BOOTZ=y
+# CONFIG_CMD_IMLS is not set
+CONFIG_CMD_MEMTEST=y
+CONFIG_CMD_MMC=y
+CONFIG_CMD_USB=y
+CONFIG_CMD_GPIO=y
+CONFIG_CMD_DHCP=y
+CONFIG_CMD_PING=y
+CONFIG_CMD_CACHE=y
+CONFIG_CMD_EXT2=y
+CONFIG_CMD_EXT4=y
+CONFIG_CMD_EXT4_WRITE=y
+CONFIG_CMD_FAT=y
+CONFIG_CMD_FS_GENERIC=y
+CONFIG_OF_LIBFDT=y
diff --git a/include/configs/liteboard.h b/include/configs/liteboard.h
new file mode 100644
index 0000000..19b961f
--- /dev/null
+++ b/include/configs/liteboard.h
@@ -0,0 +1,174 @@
+/*
+ * Copyright (C) 2015 Freescale Semiconductor, Inc.
+ * Copyright (C) 2016 Grinn
+ *
+ * Configuration settings for the Grinn liteBoard (i.MX6UL).
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+#ifndef __LITEBOARD_CONFIG_H
+#define __LITEBOARD_CONFIG_H
+
+#include <asm/arch/imx-regs.h>
+#include <linux/sizes.h>
+#include "mx6_common.h"
+
+/* SPL options */
+#define CONFIG_SPL_LIBCOMMON_SUPPORT
+#define CONFIG_SPL_MMC_SUPPORT
+#include "imx6_spl.h"
+
+/* Size of malloc() pool */
+#define CONFIG_SYS_MALLOC_LEN		(16 * SZ_1M)
+
+#define CONFIG_BOARD_EARLY_INIT_F
+#define CONFIG_BOARD_LATE_INIT
+
+#define CONFIG_MXC_UART
+#define CONFIG_MXC_UART_BASE		UART1_BASE
+
+/* MMC Configs */
+#ifdef CONFIG_FSL_USDHC
+#define CONFIG_SYS_FSL_ESDHC_ADDR	USDHC1_BASE_ADDR
+#endif
+
+#define CONFIG_DEFAULT_FDT_FILE		"imx6ul-liteboard.dtb"
+
+#define CONFIG_SYS_MMC_IMG_LOAD_PART	1
+
+#define CONFIG_EXTRA_ENV_SETTINGS \
+	"script=boot.scr\0" \
+	"image=zImage\0" \
+	"console=ttymxc0\0" \
+	"fdt_high=0xffffffff\0" \
+	"initrd_high=0xffffffff\0" \
+	"fdt_file=" CONFIG_DEFAULT_FDT_FILE "\0" \
+	"fdt_addr=0x83000000\0" \
+	"boot_fdt=try\0" \
+	"ip_dyn=yes\0" \
+	"mmcdev="__stringify(CONFIG_SYS_MMC_ENV_DEV)"\0" \
+	"mmcpart=" __stringify(CONFIG_SYS_MMC_IMG_LOAD_PART) "\0" \
+	"mmcroot=" CONFIG_MMCROOT " rootwait rw\0" \
+	"mmcautodetect=yes\0" \
+	"mmcargs=setenv bootargs console=${console},${baudrate} " \
+		"root=${mmcroot}\0" \
+	"loadbootscript=" \
+		"fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${script};\0" \
+	"bootscript=echo Running bootscript from mmc ...; " \
+		"source\0" \
+	"loadimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${image}\0" \
+	"loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdt_addr} ${fdt_file}\0" \
+	"mmcboot=echo Booting from mmc ...; " \
+		"run mmcargs; " \
+		"if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \
+			"if run loadfdt; then " \
+				"bootz ${loadaddr} - ${fdt_addr}; " \
+			"else " \
+				"if test ${boot_fdt} = try; then " \
+					"bootz; " \
+				"else " \
+					"echo WARN: Cannot load the DT; " \
+				"fi; " \
+			"fi; " \
+		"else " \
+			"bootz; " \
+		"fi;\0" \
+	"netargs=setenv bootargs console=${console},${baudrate} " \
+		"root=/dev/nfs " \
+	"ip=dhcp nfsroot=${serverip}:${nfsroot},v3,tcp\0" \
+	"netboot=echo Booting from net ...; " \
+		"run netargs; " \
+		"if test ${ip_dyn} = yes; then " \
+			"setenv get_cmd dhcp; " \
+		"else " \
+			"setenv get_cmd tftp; " \
+		"fi; " \
+		"${get_cmd} ${image}; " \
+		"if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \
+			"if ${get_cmd} ${fdt_addr} ${fdt_file}; then " \
+				"bootz ${loadaddr} - ${fdt_addr}; " \
+			"else " \
+				"if test ${boot_fdt} = try; then " \
+					"bootz; " \
+				"else " \
+					"echo WARN: Cannot load the DT; " \
+				"fi; " \
+			"fi; " \
+		"else " \
+			"bootz; " \
+		"fi;\0"
+
+#define CONFIG_BOOTCOMMAND \
+	   "mmc dev ${mmcdev};" \
+	   "if mmc rescan; then " \
+		   "if run loadbootscript; then " \
+			   "run bootscript; " \
+		   "else " \
+			   "if run loadimage; then " \
+				   "run mmcboot; " \
+			   "else run netboot; " \
+			   "fi; " \
+		   "fi; " \
+	   "else run netboot; fi"
+
+/* Miscellaneous configurable options */
+#define CONFIG_SYS_MEMTEST_START	0x80000000
+#define CONFIG_SYS_MEMTEST_END		(CONFIG_SYS_MEMTEST_START + SZ_128M)
+
+#define CONFIG_SYS_LOAD_ADDR		CONFIG_LOADADDR
+#define CONFIG_SYS_HZ			1000
+
+#define CONFIG_CMDLINE_EDITING
+#define CONFIG_STACKSIZE		SZ_128K
+
+/* Physical Memory Map */
+#define CONFIG_NR_DRAM_BANKS		1
+#define PHYS_SDRAM			MMDC0_ARB_BASE_ADDR
+
+#define CONFIG_SYS_SDRAM_BASE		PHYS_SDRAM
+#define CONFIG_SYS_INIT_RAM_ADDR	IRAM_BASE_ADDR
+#define CONFIG_SYS_INIT_RAM_SIZE	IRAM_SIZE
+
+#define CONFIG_SYS_INIT_SP_OFFSET \
+	(CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
+#define CONFIG_SYS_INIT_SP_ADDR \
+	(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET)
+
+/* FLASH and environment organization */
+#define CONFIG_ENV_SIZE			SZ_8K
+#define CONFIG_ENV_IS_IN_MMC
+#define CONFIG_ENV_OFFSET		(8 * SZ_64K)
+#define CONFIG_SYS_MMC_ENV_DEV		0
+#define CONFIG_SYS_MMC_ENV_PART		0
+#define CONFIG_MMCROOT			"/dev/mmcblk0p2"
+
+#define CONFIG_CMD_BMODE
+
+/* USB Configs */
+#ifdef CONFIG_CMD_USB
+#define CONFIG_USB_EHCI
+#define CONFIG_USB_EHCI_MX6
+#define CONFIG_USB_STORAGE
+#define CONFIG_EHCI_HCD_INIT_AFTER_RESET
+#define CONFIG_MXC_USB_PORTSC  (PORT_PTS_UTMI | PORT_PTS_PTW)
+#define CONFIG_MXC_USB_FLAGS   0
+#define CONFIG_USB_MAX_CONTROLLER_COUNT 1
+#endif
+
+#ifdef CONFIG_CMD_NET
+#define CONFIG_FEC_MXC
+#define CONFIG_MII
+#define CONFIG_FEC_ENET_DEV		0
+
+#define IMX_FEC_BASE			ENET_BASE_ADDR
+#define CONFIG_FEC_MXC_PHYADDR		0x0
+#define CONFIG_FEC_XCV_TYPE		RMII
+#define CONFIG_ETHPRIME			"FEC"
+
+#define CONFIG_PHYLIB
+#define CONFIG_PHY_SMSC
+#endif
+
+#define CONFIG_IMX_THERMAL
+
+#endif
-- 
2.10.0