summaryrefslogtreecommitdiff
path: root/board/sandburst/metrobox/metrobox.c
blob: 8d5079619ed5395a8f1e6e58e951349c99d90e0b (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
/*
 *  Copyright (c) 2005
 *  Travis B. Sawyer,  Sandburst Corporation, tsawyer@sandburst.com
 *
 * SPDX-License-Identifier:	GPL-2.0+ 
 */
#include <config.h>
#include <common.h>
#include <command.h>
#include "metrobox.h"
#include "metrobox_version.h"
#include <timestamp.h>
#include <asm/processor.h>
#include <asm/io.h>
#include <spd_sdram.h>
#include <i2c.h>
#include "../common/ppc440gx_i2c.h"
#include "../common/sb_common.h"
#if defined(CONFIG_HAS_ETH0) || defined(CONFIG_HAS_ETH1) || \
    defined(CONFIG_HAS_ETH2) || defined(CONFIG_HAS_ETH3)
#include <net.h>
#endif

void fpga_init (void);

METROBOX_BOARD_ID_ST board_id_as[] =
{	{"Undefined"},			    /* Not specified */
	{"2x10Gb"},			    /* 2 ports, 10 GbE */
	{"20x1Gb"},			    /* 20 ports, 1 GbE */
	{"Reserved"},			     /* Reserved for future use */
};

/*************************************************************************
 *  board_early_init_f
 *
 *  Setup chip selects, initialize the Opto-FPGA, initialize
 *  interrupt polarity and triggers.
 ************************************************************************/
int board_early_init_f (void)
{
	ppc440_gpio_regs_t *gpio_regs;

	/* Enable GPIO interrupts */
	mtsdr(SDR0_PFC0, 0x00103E00);

	/* Setup access for LEDs, and system topology info */
	gpio_regs = (ppc440_gpio_regs_t *)CONFIG_SYS_GPIO_BASE;
	gpio_regs->open_drain = SBCOMMON_GPIO_SYS_LEDS;
	gpio_regs->tri_state  = SBCOMMON_GPIO_DBGLEDS;

	/* Turn on all the leds for now */
	gpio_regs->out = SBCOMMON_GPIO_LEDS;

	/*--------------------------------------------------------------------+
	  | Initialize EBC CONFIG
	  +-------------------------------------------------------------------*/
	mtebc(EBC0_CFG,
	      EBC_CFG_LE_UNLOCK	   | EBC_CFG_PTD_ENABLE |
	      EBC_CFG_RTC_64PERCLK | EBC_CFG_ATC_PREVIOUS |
	      EBC_CFG_DTC_PREVIOUS | EBC_CFG_CTC_PREVIOUS |
	      EBC_CFG_EMC_DEFAULT  | EBC_CFG_PME_DISABLE |
	      EBC_CFG_PR_32);

	/*--------------------------------------------------------------------+
	  | 1/2 MB FLASH. Initialize bank 0 with default values.
	  +-------------------------------------------------------------------*/
	mtebc(PB0AP,
	      EBC_BXAP_BME_DISABLED | EBC_BXAP_TWT_ENCODE(8) |
	      EBC_BXAP_BCE_DISABLE  | EBC_BXAP_CSN_ENCODE(1) |
	      EBC_BXAP_OEN_ENCODE(1)| EBC_BXAP_WBN_ENCODE(1) |
	      EBC_BXAP_WBF_ENCODE(1)| EBC_BXAP_TH_ENCODE(1) |
	      EBC_BXAP_RE_DISABLED  | EBC_BXAP_BEM_WRITEONLY |
	      EBC_BXAP_PEN_DISABLED);

	mtebc(PB0CR, EBC_BXCR_BAS_ENCODE(CONFIG_SYS_FLASH_BASE) |
	      EBC_BXCR_BS_1MB | EBC_BXCR_BU_RW | EBC_BXCR_BW_8BIT);
	/*--------------------------------------------------------------------+
	  | 8KB NVRAM/RTC. Initialize bank 1 with default values.
	  +-------------------------------------------------------------------*/
	mtebc(PB1AP,
	      EBC_BXAP_BME_DISABLED | EBC_BXAP_TWT_ENCODE(10) |
	      EBC_BXAP_BCE_DISABLE  | EBC_BXAP_CSN_ENCODE(1) |
	      EBC_BXAP_OEN_ENCODE(1)| EBC_BXAP_WBN_ENCODE(1) |
	      EBC_BXAP_WBF_ENCODE(1)| EBC_BXAP_TH_ENCODE(1) |
	      EBC_BXAP_RE_DISABLED  | EBC_BXAP_BEM_WRITEONLY |
	      EBC_BXAP_PEN_DISABLED);

	mtebc(PB1CR, EBC_BXCR_BAS_ENCODE(0x48000000) |
	      EBC_BXCR_BS_1MB | EBC_BXCR_BU_RW | EBC_BXCR_BW_8BIT);

	/*--------------------------------------------------------------------+
	  | Compact Flash, uses 2 Chip Selects (2 & 6)
	  +-------------------------------------------------------------------*/
	mtebc(PB2AP,
	      EBC_BXAP_BME_DISABLED | EBC_BXAP_TWT_ENCODE(8) |
	      EBC_BXAP_BCE_DISABLE  | EBC_BXAP_CSN_ENCODE(1) |
	      EBC_BXAP_OEN_ENCODE(1)| EBC_BXAP_WBN_ENCODE(1) |
	      EBC_BXAP_WBF_ENCODE(0)| EBC_BXAP_TH_ENCODE(1) |
	      EBC_BXAP_RE_DISABLED  | EBC_BXAP_BEM_WRITEONLY |
	      EBC_BXAP_PEN_DISABLED);

	mtebc(PB2CR, EBC_BXCR_BAS_ENCODE(0xF0000000) |
	      EBC_BXCR_BS_1MB | EBC_BXCR_BU_RW | EBC_BXCR_BW_16BIT);

	/*--------------------------------------------------------------------+
	  | OPTO & OFEM FPGA. Initialize bank 3 with default values.
	  +-------------------------------------------------------------------*/
	mtebc(PB3AP,
	      EBC_BXAP_RE_ENABLED    | EBC_BXAP_SOR_NONDELAYED |
	      EBC_BXAP_BME_DISABLED  | EBC_BXAP_TWT_ENCODE(3) |
	      EBC_BXAP_TH_ENCODE(1)  | EBC_BXAP_WBF_ENCODE(0) |
	      EBC_BXAP_CSN_ENCODE(1) | EBC_BXAP_PEN_DISABLED |
	      EBC_BXAP_OEN_ENCODE(1) | EBC_BXAP_BEM_RW);

	mtebc(PB3CR, EBC_BXCR_BAS_ENCODE(0x48200000) |
	      EBC_BXCR_BS_1MB | EBC_BXCR_BU_RW | EBC_BXCR_BW_32BIT);

	/*--------------------------------------------------------------------+
	  | MAC A for metrobox
	  | MAC A & B for Kamino.  OFEM FPGA decodes the addresses
	  | Initialize bank 4 with default values.
	  +-------------------------------------------------------------------*/
	mtebc(PB4AP,
	      EBC_BXAP_RE_ENABLED    | EBC_BXAP_SOR_NONDELAYED |
	      EBC_BXAP_BME_DISABLED  | EBC_BXAP_TWT_ENCODE(3) |
	      EBC_BXAP_TH_ENCODE(1)  | EBC_BXAP_WBF_ENCODE(0) |
	      EBC_BXAP_CSN_ENCODE(1) | EBC_BXAP_PEN_DISABLED |
	      EBC_BXAP_OEN_ENCODE(1) | EBC_BXAP_BEM_RW);

	mtebc(PB4CR, EBC_BXCR_BAS_ENCODE(0x48600000) |
	      EBC_BXCR_BS_1MB | EBC_BXCR_BU_RW | EBC_BXCR_BW_32BIT);

	/*--------------------------------------------------------------------+
	  | Metrobox MAC B  Initialize bank 5 with default values.
	  | KA REF FPGA	 Initialize bank 5 with default values.
	  +-------------------------------------------------------------------*/
	mtebc(PB5AP,
	      EBC_BXAP_RE_ENABLED    | EBC_BXAP_SOR_NONDELAYED |
	      EBC_BXAP_BME_DISABLED  | EBC_BXAP_TWT_ENCODE(3) |
	      EBC_BXAP_TH_ENCODE(1)  | EBC_BXAP_WBF_ENCODE(0) |
	      EBC_BXAP_CSN_ENCODE(1) | EBC_BXAP_PEN_DISABLED |
	      EBC_BXAP_OEN_ENCODE(1) | EBC_BXAP_BEM_RW);

	mtebc(PB5CR, EBC_BXCR_BAS_ENCODE(0x48700000) |
	      EBC_BXCR_BS_1MB | EBC_BXCR_BU_RW | EBC_BXCR_BW_32BIT);

	/*--------------------------------------------------------------------+
	  | Compact Flash, uses 2 Chip Selects (2 & 6)
	  +-------------------------------------------------------------------*/
	mtebc(PB6AP,
	      EBC_BXAP_BME_DISABLED | EBC_BXAP_TWT_ENCODE(8) |
	      EBC_BXAP_BCE_DISABLE  | EBC_BXAP_CSN_ENCODE(1) |
	      EBC_BXAP_OEN_ENCODE(1)| EBC_BXAP_WBN_ENCODE(1) |
	      EBC_BXAP_WBF_ENCODE(0)| EBC_BXAP_TH_ENCODE(1) |
	      EBC_BXAP_RE_DISABLED  | EBC_BXAP_BEM_WRITEONLY |
	      EBC_BXAP_PEN_DISABLED);

	mtebc(PB6CR, EBC_BXCR_BAS_ENCODE(0xF0100000) |
	      EBC_BXCR_BS_1MB | EBC_BXCR_BU_RW | EBC_BXCR_BW_16BIT);

	/*--------------------------------------------------------------------+
	  | BME-32. Initialize bank 7 with default values.
	  +-------------------------------------------------------------------*/
	mtebc(PB7AP,
	      EBC_BXAP_RE_ENABLED    | EBC_BXAP_SOR_NONDELAYED |
	      EBC_BXAP_BME_DISABLED  | EBC_BXAP_TWT_ENCODE(3) |
	      EBC_BXAP_TH_ENCODE(1)  | EBC_BXAP_WBF_ENCODE(0) |
	      EBC_BXAP_CSN_ENCODE(1) | EBC_BXAP_PEN_DISABLED |
	      EBC_BXAP_OEN_ENCODE(1) | EBC_BXAP_BEM_RW);

	mtebc(PB7CR, EBC_BXCR_BAS_ENCODE(0x48500000) |
	      EBC_BXCR_BS_1MB | EBC_BXCR_BU_RW | EBC_BXCR_BW_32BIT);

	/*--------------------------------------------------------------------+
	 * Setup the interrupt controller polarities, triggers, etc.
	 +-------------------------------------------------------------------*/
	/*
	 * Because of the interrupt handling rework to handle 440GX interrupts
	 * with the common code, we needed to change names of the UIC registers.
	 * Here the new relationship:
	 *
	 * U-Boot name	440GX name
	 * -----------------------
	 * UIC0		UICB0
	 * UIC1		UIC0
	 * UIC2		UIC1
	 * UIC3		UIC2
	 */
	mtdcr (UIC1SR, 0xffffffff);	/* clear all */
	mtdcr (UIC1ER, 0x00000000);	/* disable all */
	mtdcr (UIC1CR, 0x00000000);	/* all non- critical */
	mtdcr (UIC1PR, 0xfffffe03);	/* polarity */
	mtdcr (UIC1TR, 0x01c00000);	/* trigger edge vs level */
	mtdcr (UIC1VR, 0x00000001);	/* int31 highest, base=0x000 */
	mtdcr (UIC1SR, 0xffffffff);	/* clear all */

	mtdcr (UIC2SR, 0xffffffff);	/* clear all */
	mtdcr (UIC2ER, 0x00000000);	/* disable all */
	mtdcr (UIC2CR, 0x00000000);	/* all non-critical */
	mtdcr (UIC2PR, 0xffffc8ff);	/* polarity */
	mtdcr (UIC2TR, 0x00ff0000);	/* trigger edge vs level */
	mtdcr (UIC2VR, 0x00000001);	/* int31 highest, base=0x000 */
	mtdcr (UIC2SR, 0xffffffff);	/* clear all */

	mtdcr (UIC3SR, 0xffffffff);	/* clear all */
	mtdcr (UIC3ER, 0x00000000);	/* disable all */
	mtdcr (UIC3CR, 0x00000000);	/* all non-critical */
	mtdcr (UIC3PR, 0xffff83ff);	/* polarity */
	mtdcr (UIC3TR, 0x00ff8c0f);	/* trigger edge vs level */
	mtdcr (UIC3VR, 0x00000001);	/* int31 highest, base=0x000 */
	mtdcr (UIC3SR, 0xffffffff);	/* clear all */

	mtdcr (UIC0SR, 0xfc000000);	/* clear all */
	mtdcr (UIC0ER, 0x00000000);	/* disable all */
	mtdcr (UIC0CR, 0x00000000);	/* all non-critical */
	mtdcr (UIC0PR, 0xfc000000);
	mtdcr (UIC0TR, 0x00000000);
	mtdcr (UIC0VR, 0x00000001);

	fpga_init();

	return 0;
}

/*************************************************************************
 *  checkboard
 *
 *  Dump pertinent info to the console
 ************************************************************************/
int checkboard (void)
{
	sys_info_t sysinfo;
	unsigned char brd_rev, brd_id;
	unsigned short sernum;
	unsigned char opto_rev, opto_id;
	OPTO_FPGA_REGS_ST *opto_ps;

	opto_ps = (OPTO_FPGA_REGS_ST *)CONFIG_SYS_FPGA_BASE;

	opto_rev = (unsigned char)((opto_ps->revision_ul &
				    SAND_HAL_XC_XCVR_CNTL_REVISION_REVISION_MASK)
				   >> SAND_HAL_XC_XCVR_CNTL_REVISION_REVISION_SHIFT);

	opto_id = (unsigned char)((opto_ps->revision_ul &
				   SAND_HAL_XC_XCVR_CNTL_REVISION_IDENTIFICATION_MASK)
				  >> SAND_HAL_XC_XCVR_CNTL_REVISION_IDENTIFICATION_SHIFT);

	brd_rev = (unsigned char)((opto_ps->boardinfo_ul &
				   SAND_HAL_XC_XCVR_CNTL_BRD_INFO_BRD_REV_MASK)
				  >> SAND_HAL_XC_XCVR_CNTL_BRD_INFO_BRD_REV_SHIFT);

	brd_id = (unsigned char)((opto_ps->boardinfo_ul &
				  SAND_HAL_XC_XCVR_CNTL_BRD_INFO_BRD_ID_MASK)
				 >> SAND_HAL_XC_XCVR_CNTL_BRD_INFO_BRD_ID_SHIFT);

	get_sys_info (&sysinfo);

	sernum = sbcommon_get_serial_number();
	printf ("Board: Sandburst Corporation MetroBox Serial Number: %d\n", sernum);
	printf ("%s\n", METROBOX_U_BOOT_REL_STR);

	printf ("Built %s %s by %s\n", U_BOOT_DATE, U_BOOT_TIME, BUILDUSER);
	if (sbcommon_get_master()) {
		printf("Slot 0 - Master\nSlave board");
		if (sbcommon_secondary_present())
			printf(" present\n");
		else
			printf(" not detected\n");
	} else {
		printf("Slot 1 - Slave\n\n");
	}

	printf ("OptoFPGA ID:\t0x%02X\tRev:  0x%02X\n", opto_id, opto_rev);
	printf ("Board Rev:\t0x%02X\tID:  %s\n", brd_rev, board_id_as[brd_id].name);

	/* Fix the ack in the bme 32 */
	udelay(5000);
	out32(CONFIG_SYS_BME32_BASE + 0x0000000C, 0x00000001);
	asm("eieio");


	return (0);
}

/*************************************************************************
 *  misc_init_f
 *
 *  Initialize I2C bus one to gain access to the fans
 ************************************************************************/
int misc_init_f (void)
{
	/* Turn on i2c bus 1 */
	puts ("I2C1:  ");
	i2c1_init (CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
	puts ("ready\n");

	/* Turn on fans */
	sbcommon_fans();

	return (0);
}

/*************************************************************************
 *  misc_init_r
 *
 *  Do nothing.
 ************************************************************************/
int misc_init_r (void)
{
	unsigned short sernum;
	char envstr[255];
	uchar enetaddr[6];
	unsigned char opto_rev;
	OPTO_FPGA_REGS_ST *opto_ps;

	opto_ps = (OPTO_FPGA_REGS_ST *)CONFIG_SYS_FPGA_BASE;

	if(NULL != getenv("secondserial")) {
	    puts("secondserial is set, switching to second serial port\n");
	    setenv("stderr", "serial1");
	    setenv("stdout", "serial1");
	    setenv("stdin", "serial1");
	}

	setenv("ubrelver", METROBOX_U_BOOT_REL_STR);

	memset(envstr, 0, 255);
	sprintf (envstr, "Built %s %s by %s",
		 U_BOOT_DATE, U_BOOT_TIME, BUILDUSER);
	setenv("bldstr", envstr);
	saveenv();

	if( getenv("autorecover")) {
		setenv("autorecover", NULL);
		saveenv();
		sernum = sbcommon_get_serial_number();

		printf("\nSetting up environment for automatic filesystem recovery\n");
		/*
		 * Setup default bootargs
		 */
		memset(envstr, 0, 255);
		sprintf(envstr, "console=ttyS0,9600 root=/dev/ram0 "
			"rw ip=10.100.60.%d:::255.255.0.0:metrobox%d:eth0:none idebus=33",
			sernum, sernum);
		setenv("bootargs", envstr);

		/*
		 * Setup Default boot command
		 */
		setenv("bootcmd", "fatload ide 0 8000000 pimage.metrobox;"
		       "fatload ide 0 8100000 pramdisk;"
		       "bootm 8000000 8100000");

		printf("Done.  Please type allow the system to continue to boot\n");
	}

	if( getenv("fakeled")) {
		setenv("bootdelay", "-1");
		saveenv();
		printf("fakeled is set. use 'setenv fakeled ; setenv bootdelay 5 ; saveenv' to recover\n");
		opto_rev = (unsigned char)((opto_ps->revision_ul &
					    SAND_HAL_XC_XCVR_CNTL_REVISION_REVISION_MASK)
					   >> SAND_HAL_XC_XCVR_CNTL_REVISION_REVISION_SHIFT);

		if(0x12 <= opto_rev) {
			opto_ps->control_ul &= ~ SAND_HAL_XC_XCVR_CNTL_CNTL_ERROR_LED_MASK;
		}
	}

#ifdef CONFIG_HAS_ETH0
	if (!eth_getenv_enetaddr("ethaddr", enetaddr)) {
		board_get_enetaddr(0, enetaddr);
		eth_setenv_enetaddr("ethaddr", enetaddr);
	}
#endif

#ifdef CONFIG_HAS_ETH1
	if (!eth_getenv_enetaddr("eth1addr", enetaddr)) {
		board_get_enetaddr(1, enetaddr);
		eth_setenv_enetaddr("eth1addr", enetaddr);
	}
#endif

#ifdef CONFIG_HAS_ETH2
	if (!eth_getenv_enetaddr("eth2addr", enetaddr)) {
		board_get_enetaddr(2, enetaddr);
		eth_setenv_enetaddr("eth2addr", enetaddr);
	}
#endif

#ifdef CONFIG_HAS_ETH3
	if (!eth_getenv_enetaddr("eth3addr", enetaddr)) {
		board_get_enetaddr(3, enetaddr);
		eth_setenv_enetaddr("eth3addr", enetaddr);
	}
#endif

	return (0);
}

/*************************************************************************
 *  ide_set_reset
 ************************************************************************/
#ifdef CONFIG_IDE_RESET
void ide_set_reset(int on)
{
	OPTO_FPGA_REGS_ST *opto_ps;
	opto_ps = (OPTO_FPGA_REGS_ST *)CONFIG_SYS_FPGA_BASE;

	if (on) {		/* assert RESET */
	    opto_ps->reset_ul &= ~SAND_HAL_XC_XCVR_CNTL_RESET_CF_RESET_N_MASK;
	} else {		/* release RESET */
	    opto_ps->reset_ul |= SAND_HAL_XC_XCVR_CNTL_RESET_CF_RESET_N_MASK;
	}
}
#endif /* CONFIG_IDE_RESET */

/*************************************************************************
 *  fpga_init
 ************************************************************************/
void fpga_init(void)
{
	OPTO_FPGA_REGS_ST *opto_ps;
	unsigned char opto_rev;
	unsigned long tmp;

	/* Ensure we have power all around */
	udelay(500);

	/*
	 * Take appropriate hw bits out of reset
	 */
	opto_ps = (OPTO_FPGA_REGS_ST *)CONFIG_SYS_FPGA_BASE;

	tmp =
	    SAND_HAL_XC_XCVR_CNTL_RESET_MAC1_RESET_N_MASK |
	    SAND_HAL_XC_XCVR_CNTL_RESET_MAC0_RESET_N_MASK |
	    SAND_HAL_XC_XCVR_CNTL_RESET_BME_RESET_N_MASK |
	    SAND_HAL_XC_XCVR_CNTL_RESET_ACE_RESET_N_MASK |
	    SAND_HAL_XC_XCVR_CNTL_RESET_CF_RESET_N_MASK |
	    SAND_HAL_XC_XCVR_CNTL_RESET_QE_A_RESET_N_MASK |
	    SAND_HAL_XC_XCVR_CNTL_RESET_IFE_A_RESET_N_MASK |
	    SAND_HAL_XC_XCVR_CNTL_RESET_EFE_A_RESET_N_MASK |
	    SAND_HAL_XC_XCVR_CNTL_RESET_QE_B_RESET_N_MASK |
	    SAND_HAL_XC_XCVR_CNTL_RESET_IFE_B_RESET_N_MASK |
	    SAND_HAL_XC_XCVR_CNTL_RESET_EFE_B_RESET_N_MASK |
	    SAND_HAL_XC_XCVR_CNTL_RESET_LOCK1_RESET_N_MASK |
	    SAND_HAL_XC_XCVR_CNTL_RESET_LOCK0_RESET_N_MASK |
	    SAND_HAL_XC_XCVR_CNTL_RESET_I2C_MUX1_RESET_N_MASK |
	    SAND_HAL_XC_XCVR_CNTL_RESET_I2C_MUX0_RESET_N_MASK |
	    SAND_HAL_XC_XCVR_CNTL_RESET_PHY0_RESET_N_MASK |
	    SAND_HAL_XC_XCVR_CNTL_RESET_PHY1_RESET_N_MASK |
	    SAND_HAL_XC_XCVR_CNTL_RESET_SLAVE_RESET_N_MASK;
	opto_ps->reset_ul = tmp;
	/*
	 * Turn on the 'Slow Blink' for the System Error Led.
	 * Ensure FPGA rev is up to at least rev 0x12
	 */
	opto_rev = (unsigned char)((opto_ps->revision_ul &
				    SAND_HAL_XC_XCVR_CNTL_REVISION_REVISION_MASK)
				   >> SAND_HAL_XC_XCVR_CNTL_REVISION_REVISION_SHIFT);
	if(0x12 <= opto_rev) {
	    opto_ps->control_ul |= 1 << SAND_HAL_XC_XCVR_CNTL_CNTL_ERROR_LED_SHIFT;
	}

	asm("eieio");

	return;
}

int metroboxSetupVars(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
	unsigned short sernum;
	char envstr[255];

	sernum = sbcommon_get_serial_number();

	memset(envstr, 0, 255);
	/*
	 * Setup our ip address
	 */
	sprintf(envstr, "10.100.60.%d", sernum);

	setenv("ipaddr", envstr);
	/*
	 * Setup the host ip address
	 */
	setenv("serverip", "10.100.17.10");

	/*
	 * Setup default bootargs
	 */
	memset(envstr, 0, 255);

	sprintf(envstr, "console=ttyS0,9600 root=/dev/nfs "
		"rw nfsroot=10.100.17.10:/home/metrobox/mbc%d "
		"nfsaddrs=10.100.60.%d:10.100.17.10:10.100.1.1"
		":255.255.0.0:metrobox%d.sandburst.com:eth0:none idebus=33",
		sernum, sernum, sernum);

	setenv("bootargs_nfs", envstr);
	setenv("bootargs", envstr);

	/*
	 * Setup CF bootargs
	 */
	memset(envstr, 0, 255);
	sprintf(envstr, "console=ttyS0,9600 root=/dev/hda2 "
		"rw ip=10.100.60.%d:::255.255.0.0:metrobox%d:eth0:none idebus=33",
		sernum, sernum);

	setenv("bootargs_cf", envstr);

	/*
	 * Setup Default boot command
	 */
	setenv("bootcmd_tftp", "tftp 8000000 pImage.metrobox;bootm 8000000");
	setenv("bootcmd", "tftp 8000000 pImage.metrobox;bootm 8000000");

	/*
	 * Setup compact flash boot command
	 */
	setenv("bootcmd_cf", "fatload ide 0 8000000 pimage.metrobox;bootm 8000000");

	saveenv();


	return(1);
}

int metroboxRecover(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
	unsigned short sernum;
	char envstr[255];

	sernum = sbcommon_get_serial_number();

	printf("\nSetting up environment for filesystem recovery\n");
	/*
	 * Setup default bootargs
	 */
	memset(envstr, 0, 255);
	sprintf(envstr, "console=ttyS0,9600 root=/dev/ram0 "
		"rw ip=10.100.60.%d:::255.255.0.0:metrobox%d:eth0:none",
		sernum, sernum);

	setenv("bootargs", envstr);

	/*
	 * Setup Default boot command
	 */
	setenv("bootcmd", "fatload ide 0 8000000 pimage.metrobox;"
	       "fatload ide 0 8100000 pramdisk;"
	       "bootm 8000000 8100000");

	printf("Done.  Please type boot<cr>.\nWhen the kernel has booted"
	       " please type fsrecover.sh<cr>\n");

	return(1);
}

U_BOOT_CMD(mbsetup, 1, 1, metroboxSetupVars,
	   "Set environment to factory defaults", "");

U_BOOT_CMD(mbrecover, 1, 1, metroboxRecover,
	   "Set environment to allow for fs recovery", "");