summaryrefslogtreecommitdiff
path: root/include/configs/MPC8548CDS.h
blob: bfd316cb945b6214b60a4b92e48c07817754fa88 (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
/*
 * Copyright 2004 Freescale Semiconductor.
 *
 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 */

/*
 * mpc8548cds board configuration file
 *
 * Please refer to doc/README.mpc85xxcds for more info.
 *
 */
#ifndef __CONFIG_H
#define __CONFIG_H

/* High Level Configuration Options */
#define CONFIG_BOOKE		1	/* BOOKE */
#define CONFIG_E500		1	/* BOOKE e500 family */
#define CONFIG_MPC85xx		1	/* MPC8540/60/55/41/48 */
#define CONFIG_MPC8548		1	/* MPC8548 specific */
#define CONFIG_MPC8548CDS	1	/* MPC8548CDS board specific */

#define CONFIG_PCI
#define CONFIG_TSEC_ENET 		/* tsec ethernet support */
#define CONFIG_ENV_OVERWRITE
#define CONFIG_SPD_EEPROM		/* Use SPD EEPROM for DDR setup*/
#define CONFIG_DDR_DLL			/* possible DLL fix needed */
#define CONFIG_DDR_2T_TIMING		/* Sets the 2T timing bit */

#define CONFIG_DDR_ECC			/* only for ECC DDR module */
#define CONFIG_ECC_INIT_VIA_DDRCONTROLLER	/* DDR controller or DMA? */
#define CONFIG_MEM_INIT_VALUE		0xDeadBeef


/*
 * When initializing flash, if we cannot find the manufacturer ID,
 * assume this is the AMD flash associated with the CDS board.
 * This allows booting from a promjet.
 */
#define CONFIG_ASSUME_AMD_FLASH

#define MPC85xx_DDR_SDRAM_CLK_CNTL	/* 85xx has clock control reg */

#ifndef __ASSEMBLY__
extern unsigned long get_clock_freq(void);
#endif
#define CONFIG_SYS_CLK_FREQ	get_clock_freq() /* sysclk for MPC85xx */

/*
 * These can be toggled for performance analysis, otherwise use default.
 */
#define CONFIG_L2_CACHE		    	    /* toggle L2 cache 	*/
#define CONFIG_BTB			    /* toggle branch predition */
#define CONFIG_ADDR_STREAMING		    /* toggle addr streaming   */

/*
 * Only possible on E500 Version 2 or newer cores.
 */
#define CONFIG_ENABLE_36BIT_PHYS	1


#define CONFIG_BOARD_EARLY_INIT_F	1	/* Call board_pre_init */

#undef	CFG_DRAM_TEST			/* memory test, takes time */
#define CFG_MEMTEST_START	0x00200000	/* memtest works on */
#define CFG_MEMTEST_END		0x00400000

/*
 * Base addresses -- Note these are effective addresses where the
 * actual resources get mapped (not physical addresses)
 */
#define CFG_CCSRBAR_DEFAULT 	0xff700000	/* CCSRBAR Default */
#define CFG_CCSRBAR		0xe0000000	/* relocated CCSRBAR */
#define CFG_IMMR		CFG_CCSRBAR	/* PQII uses CFG_IMMR */

/*
 * DDR Setup
 */
#define CFG_DDR_SDRAM_BASE	0x00000000	/* DDR is system memory*/
#define CFG_SDRAM_BASE		CFG_DDR_SDRAM_BASE

#define SPD_EEPROM_ADDRESS	0x51		/* DDR DIMM */

/*
 * Make sure required options are set
 */
#ifndef CONFIG_SPD_EEPROM
#error ("CONFIG_SPD_EEPROM is required")
#endif

#undef CONFIG_CLOCKS_IN_MHZ


/*
 * Local Bus Definitions
 */

/*
 * FLASH on the Local Bus
 * Two banks, 8M each, using the CFI driver.
 * Boot from BR0/OR0 bank at 0xff00_0000
 * Alternate BR1/OR1 bank at 0xff80_0000
 *
 * BR0, BR1:
 *    Base address 0 = 0xff00_0000 = BR0[0:16] = 1111 1111 0000 0000 0
 *    Base address 1 = 0xff80_0000 = BR1[0:16] = 1111 1111 1000 0000 0
 *    Port Size = 16 bits = BRx[19:20] = 10
 *    Use GPCM = BRx[24:26] = 000
 *    Valid = BRx[31] = 1
 *
 * 0    4    8    12   16   20   24   28
 * 1111 1111 1000 0000 0001 0000 0000 0001 = ff801001    BR0
 * 1111 1111 0000 0000 0001 0000 0000 0001 = ff001001    BR1
 *
 * OR0, OR1:
 *    Addr Mask = 8M = ORx[0:16] = 1111 1111 1000 0000 0
 *    Reserved ORx[17:18] = 11, confusion here?
 *    CSNT = ORx[20] = 1
 *    ACS = half cycle delay = ORx[21:22] = 11
 *    SCY = 6 = ORx[24:27] = 0110
 *    TRLX = use relaxed timing = ORx[29] = 1
 *    EAD = use external address latch delay = OR[31] = 1
 *
 * 0    4    8    12   16   20   24   28
 * 1111 1111 1000 0000 0110 1110 0110 0101 = ff806e65    ORx
 */

#define CFG_FLASH_BASE		0xff000000	/* start of FLASH 8M */

#define CFG_BR0_PRELIM		0xff801001
#define CFG_BR1_PRELIM		0xff001001

#define	CFG_OR0_PRELIM		0xff806e65
#define	CFG_OR1_PRELIM		0xff806e65

#define CFG_FLASH_BANKS_LIST	{0xff800000, CFG_FLASH_BASE}
#define CFG_MAX_FLASH_BANKS	2		/* number of banks */
#define CFG_MAX_FLASH_SECT	128		/* sectors per device */
#undef	CFG_FLASH_CHECKSUM
#define CFG_FLASH_ERASE_TOUT	60000	/* Flash Erase Timeout (ms) */
#define CFG_FLASH_WRITE_TOUT	500	/* Flash Write Timeout (ms) */

#define CFG_MONITOR_BASE    	TEXT_BASE	/* start of monitor */

#define CFG_FLASH_CFI_DRIVER
#define CFG_FLASH_CFI
#define CFG_FLASH_EMPTY_INFO


/*
 * SDRAM on the Local Bus
 */
#define CFG_LBC_SDRAM_BASE	0xf0000000	/* Localbus SDRAM */
#define CFG_LBC_SDRAM_SIZE	64		/* LBC SDRAM is 64MB */

/*
 * Base Register 2 and Option Register 2 configure SDRAM.
 * The SDRAM base address, CFG_LBC_SDRAM_BASE, is 0xf0000000.
 *
 * For BR2, need:
 *    Base address of 0xf0000000 = BR[0:16] = 1111 0000 0000 0000 0
 *    port-size = 32-bits = BR2[19:20] = 11
 *    no parity checking = BR2[21:22] = 00
 *    SDRAM for MSEL = BR2[24:26] = 011
 *    Valid = BR[31] = 1
 *
 * 0    4    8    12   16   20   24   28
 * 1111 0000 0000 0000 0001 1000 0110 0001 = f0001861
 *
 * FIXME: CFG_LBC_SDRAM_BASE should be masked and OR'ed into
 * FIXME: the top 17 bits of BR2.
 */

#define CFG_BR2_PRELIM          0xf0001861

/*
 * The SDRAM size in MB, CFG_LBC_SDRAM_SIZE, is 64.
 *
 * For OR2, need:
 *    64MB mask for AM, OR2[0:7] = 1111 1100
 *		   XAM, OR2[17:18] = 11
 *    9 columns OR2[19-21] = 010
 *    13 rows   OR2[23-25] = 100
 *    EAD set for extra time OR[31] = 1
 *
 * 0    4    8    12   16   20   24   28
 * 1111 1100 0000 0000 0110 1001 0000 0001 = fc006901
 */

#define CFG_OR2_PRELIM		0xfc006901

#define CFG_LBC_LCRR		0x00030004    /* LB clock ratio reg */
#define CFG_LBC_LBCR		0x00000000    /* LB config reg */
#define CFG_LBC_LSRT		0x20000000  /* LB sdram refresh timer */
#define CFG_LBC_MRTPR		0x00000000  /* LB refresh timer prescal*/

/*
 * LSDMR masks
 */
#define CFG_LBC_LSDMR_RFEN	(1 << (31 -  1))
#define CFG_LBC_LSDMR_BSMA1516	(3 << (31 - 10))
#define CFG_LBC_LSDMR_BSMA1617	(4 << (31 - 10))
#define CFG_LBC_LSDMR_RFCR16	(7 << (31 - 16))
#define CFG_LBC_LSDMR_PRETOACT7	(7 << (31 - 19))
#define CFG_LBC_LSDMR_ACTTORW7	(7 << (31 - 22))
#define CFG_LBC_LSDMR_ACTTORW6	(6 << (31 - 22))
#define CFG_LBC_LSDMR_BL8	(1 << (31 - 23))
#define CFG_LBC_LSDMR_WRC4	(0 << (31 - 27))
#define CFG_LBC_LSDMR_CL3	(3 << (31 - 31))

#define CFG_LBC_LSDMR_OP_NORMAL	(0 << (31 - 4))
#define CFG_LBC_LSDMR_OP_ARFRSH	(1 << (31 - 4))
#define CFG_LBC_LSDMR_OP_SRFRSH	(2 << (31 - 4))
#define CFG_LBC_LSDMR_OP_MRW	(3 << (31 - 4))
#define CFG_LBC_LSDMR_OP_PRECH	(4 << (31 - 4))
#define CFG_LBC_LSDMR_OP_PCHALL	(5 << (31 - 4))
#define CFG_LBC_LSDMR_OP_ACTBNK	(6 << (31 - 4))
#define CFG_LBC_LSDMR_OP_RWINV	(7 << (31 - 4))

/*
 * Common settings for all Local Bus SDRAM commands.
 * At run time, either BSMA1516 (for CPU 1.1)
 *                  or BSMA1617 (for CPU 1.0) (old)
 * is OR'ed in too.
 */
#define CFG_LBC_LSDMR_COMMON	( CFG_LBC_LSDMR_RFCR16		\
				| CFG_LBC_LSDMR_PRETOACT7	\
				| CFG_LBC_LSDMR_ACTTORW7	\
				| CFG_LBC_LSDMR_BL8		\
				| CFG_LBC_LSDMR_WRC4		\
				| CFG_LBC_LSDMR_CL3		\
				| CFG_LBC_LSDMR_RFEN		\
				)

/*
 * The CADMUS registers are connected to CS3 on CDS.
 * The new memory map places CADMUS at 0xf8000000.
 *
 * For BR3, need:
 *    Base address of 0xf8000000 = BR[0:16] = 1111 1000 0000 0000 0
 *    port-size = 8-bits  = BR[19:20] = 01
 *    no parity checking  = BR[21:22] = 00
 *    GPMC for MSEL       = BR[24:26] = 000
 *    Valid               = BR[31]    = 1
 *
 * 0    4    8    12   16   20   24   28
 * 1111 1000 0000 0000 0000 1000 0000 0001 = f8000801
 *
 * For OR3, need:
 *    1 MB mask for AM,   OR[0:16]  = 1111 1111 1111 0000 0
 *    disable buffer ctrl OR[19]    = 0
 *    CSNT                OR[20]    = 1
 *    ACS                 OR[21:22] = 11
 *    XACS                OR[23]    = 1
 *    SCY 15 wait states  OR[24:27] = 1111	max is suboptimal but safe
 *    SETA                OR[28]    = 0
 *    TRLX                OR[29]    = 1
 *    EHTR                OR[30]    = 1
 *    EAD extra time      OR[31]    = 1
 *
 * 0    4    8    12   16   20   24   28
 * 1111 1111 1111 0000 0000 1111 1111 0111 = fff00ff7
 */

#define CADMUS_BASE_ADDR 0xf8000000
#define CFG_BR3_PRELIM   0xf8000801
#define CFG_OR3_PRELIM   0xfff00ff7

#define CONFIG_L1_INIT_RAM
#define CFG_INIT_RAM_LOCK 	1
#define CFG_INIT_RAM_ADDR	0xe4010000	/* Initial RAM address */
#define CFG_INIT_RAM_END    	0x4000	    /* End of used area in RAM */

#define CFG_GBL_DATA_SIZE  	128	    /* num bytes initial data */
#define CFG_GBL_DATA_OFFSET	(CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
#define CFG_INIT_SP_OFFSET	CFG_GBL_DATA_OFFSET

#define CFG_MONITOR_LEN	    	(256 * 1024) /* Reserve 256 kB for Mon */
#define CFG_MALLOC_LEN	    	(128 * 1024)	/* Reserved for malloc */

/* Serial Port */
#define CONFIG_CONS_INDEX     2
#undef	CONFIG_SERIAL_SOFTWARE_FIFO
#define CFG_NS16550
#define CFG_NS16550_SERIAL
#define CFG_NS16550_REG_SIZE    1
#define CFG_NS16550_CLK		get_bus_freq(0)

#define CFG_BAUDRATE_TABLE  \
	{300, 600, 1200, 2400, 4800, 9600, 19200, 38400,115200}

#define CFG_NS16550_COM1        (CFG_CCSRBAR+0x4500)
#define CFG_NS16550_COM2        (CFG_CCSRBAR+0x4600)

/* Use the HUSH parser */
#define CFG_HUSH_PARSER
#ifdef  CFG_HUSH_PARSER
#define CFG_PROMPT_HUSH_PS2 "> "
#endif

/* pass open firmware flat tree */
#define CONFIG_OF_FLAT_TREE	1
#define CONFIG_OF_BOARD_SETUP	1

/* maximum size of the flat tree (8K) */
#define OF_FLAT_TREE_MAX_SIZE	8192

#define OF_CPU			"PowerPC,8548@0"
#define OF_SOC			"soc8548@e0000000"
#define OF_TBCLK		(bd->bi_busfreq / 8)
#define OF_STDOUT_PATH		"/soc8548@e0000000/serial@4600"

/*
 * I2C
 */
#define CONFIG_FSL_I2C		/* Use FSL common I2C driver */
#define CONFIG_HARD_I2C		/* I2C with hardware support*/
#undef	CONFIG_SOFT_I2C			/* I2C bit-banged */
#define CFG_I2C_SPEED		400000	/* I2C speed and slave address */
#define CFG_I2C_EEPROM_ADDR	0x57
#define CFG_I2C_SLAVE		0x7F
#define CFG_I2C_NOPROBES        {0x69}	/* Don't probe these addrs */
#define CFG_I2C_OFFSET		0x3000

/*
 * General PCI
 * Addresses are mapped 1-1.
 */
#define CFG_PCI1_MEM_BASE	0x80000000
#define CFG_PCI1_MEM_PHYS	CFG_PCI1_MEM_BASE
#define CFG_PCI1_MEM_SIZE	0x10000000	/* 256M */
#define CFG_PCI1_IO_BASE	0x00000000
#define CFG_PCI1_IO_PHYS	0xe2000000
#define CFG_PCI1_IO_SIZE	0x00800000	/* 8M */

#define CFG_PCI2_MEM_BASE	0x90000000
#define CFG_PCI2_MEM_PHYS	CFG_PCI2_MEM_BASE
#define CFG_PCI2_MEM_SIZE	0x10000000	/* 256M */
#define CFG_PCI2_IO_BASE	0xe2800000
#define CFG_PCI2_IO_PHYS	0xe2800000
#define CFG_PCI2_IO_SIZE	0x00800000	/* 8M */

#define CFG_PEX_MEM_BASE	0xa0000000
#define CFG_PEX_MEM_PHYS	CFG_PEX_MEM_BASE
#define CFG_PEX_MEM_SIZE	0x20000000	/* 512M */
#define CFG_PEX_IO_BASE		0xe3000000
#define CFG_PEX_IO_PHYS		CFG_PEX_IO_BASE
#define CFG_PEX_IO_SIZE		0x1000000	/* 16M */

/*
 * RapidIO MMU
 */
#define CFG_RIO_MEM_BASE	0xC0000000
#define CFG_RIO_MEM_SIZE	0x20000000	/* 512M */

#if defined(CONFIG_PCI)

#define CONFIG_NET_MULTI
#define CONFIG_PCI_PNP	               	/* do pci plug-and-play */
#define CONFIG_85XX_PCI2

#undef CONFIG_EEPRO100
#undef CONFIG_TULIP

#undef CONFIG_PCI_SCAN_SHOW		/* show pci devices on startup */
#define CFG_PCI_SUBSYS_VENDORID 0x1057  /* Motorola */

#endif	/* CONFIG_PCI */


#if defined(CONFIG_TSEC_ENET)

#ifndef CONFIG_NET_MULTI
#define CONFIG_NET_MULTI 	1
#endif

#define CONFIG_MII		1	/* MII PHY management */
#define CONFIG_MPC85XX_TSEC1	1
#define CONFIG_MPC85XX_TSEC1_NAME	"eTSEC0"
#define CONFIG_MPC85XX_TSEC2	1
#define CONFIG_MPC85XX_TSEC2_NAME	"eTSEC1"
#define CONFIG_MPC85XX_TSEC3	1
#define CONFIG_MPC85XX_TSEC3_NAME	"eTSEC2"
#undef CONFIG_MPC85XX_TSEC4
#define CONFIG_MPC85XX_TSEC4_NAME	"eTSEC3"
#undef CONFIG_MPC85XX_FEC

#define TSEC1_PHY_ADDR		0
#define TSEC2_PHY_ADDR		1
#define TSEC3_PHY_ADDR		2
#define TSEC4_PHY_ADDR		3

#define TSEC1_PHYIDX		0
#define TSEC2_PHYIDX		0
#define TSEC3_PHYIDX		0
#define TSEC4_PHYIDX		0

/* Options are: eTSEC[0-3] */
#define CONFIG_ETHPRIME		"eTSEC0"

#endif	/* CONFIG_TSEC_ENET */

/*
 * Environment
 */
#define CFG_ENV_IS_IN_FLASH	1
#define CFG_ENV_ADDR		(CFG_MONITOR_BASE + 0x40000)
#define CFG_ENV_SECT_SIZE	0x40000	/* 256K(one sector) for env */
#define CFG_ENV_SIZE		0x2000

#define CONFIG_LOADS_ECHO	1	/* echo on for serial download */
#define CFG_LOADS_BAUD_CHANGE	1	/* allow baudrate change */

#if defined(CONFIG_PCI)
#define  CONFIG_COMMANDS	(CONFIG_CMD_DFL \
				| CFG_CMD_PCI \
				| CFG_CMD_PING \
				| CFG_CMD_I2C \
				| CFG_CMD_MII)
#else
#define  CONFIG_COMMANDS	(CONFIG_CMD_DFL \
				| CFG_CMD_PING \
				| CFG_CMD_I2C \
				| CFG_CMD_MII)
#endif
#include <cmd_confdefs.h>

#undef CONFIG_WATCHDOG			/* watchdog disabled */

/*
 * Miscellaneous configurable options
 */
#define CFG_LONGHELP			/* undef to save memory	*/
#define CFG_LOAD_ADDR	0x2000000	/* default load address */
#define CFG_PROMPT	"=> "		/* Monitor Command Prompt */
#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
#define CFG_CBSIZE	1024		/* Console I/O Buffer Size */
#else
#define CFG_CBSIZE	256		/* Console I/O Buffer Size */
#endif
#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
#define CFG_MAXARGS	16		/* max number of command args */
#define CFG_BARGSIZE	CFG_CBSIZE	/* Boot Argument Buffer Size */
#define CFG_HZ		1000		/* decrementer freq: 1ms ticks */

/*
 * For booting Linux, the board info and command line data
 * have to be in the first 8 MB of memory, since this is
 * the maximum mapped by the Linux kernel during initialization.
 */
#define CFG_BOOTMAPSZ	(8 << 20) 	/* Initial Memory map for Linux*/

/* Cache Configuration */
#define CFG_DCACHE_SIZE	32768
#define CFG_CACHELINE_SIZE	32
#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
#define CFG_CACHELINE_SHIFT	5	/*log base 2 of the above value*/
#endif

/*
 * Internal Definitions
 *
 * Boot Flags
 */
#define BOOTFLAG_COLD	0x01		/* Normal Power-On: Boot from FLASH */
#define BOOTFLAG_WARM	0x02		/* Software reboot */

#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
#define CONFIG_KGDB_BAUDRATE	230400	/* speed to run kgdb serial port */
#define CONFIG_KGDB_SER_INDEX	2	/* which serial port to use */
#endif

/*
 * Environment Configuration
 */

/* The mac addresses for all ethernet interface */
#if defined(CONFIG_TSEC_ENET)
#define CONFIG_ETHADDR   00:E0:0C:00:00:FD
#define CONFIG_HAS_ETH1
#define CONFIG_ETH1ADDR  00:E0:0C:00:01:FD
#define CONFIG_HAS_ETH2
#define CONFIG_ETH2ADDR  00:E0:0C:00:02:FD
#define CONFIG_HAS_ETH3
#define CONFIG_ETH3ADDR  00:E0:0C:00:03:FD
#endif

#define CONFIG_IPADDR    192.168.1.253

#define CONFIG_HOSTNAME  unknown
#define CONFIG_ROOTPATH  /nfsroot
#define CONFIG_BOOTFILE  your.uImage

#define CONFIG_SERVERIP  192.168.1.1
#define CONFIG_GATEWAYIP 192.168.1.1
#define CONFIG_NETMASK   255.255.255.0

#define CONFIG_LOADADDR  200000   /*default location for tftp and bootm*/

#define CONFIG_BOOTDELAY 10       /* -1 disables auto-boot */
#undef  CONFIG_BOOTARGS           /* the boot command will set bootargs*/

#define CONFIG_BAUDRATE	115200

#define	CONFIG_EXTRA_ENV_SETTINGS				        \
   "netdev=eth0\0"                                                      \
   "consoledev=ttyS1\0"                                                 \
   "ramdiskaddr=600000\0"                                               \
   "ramdiskfile=your.ramdisk.u-boot\0"					\
   "fdtaddr=400000\0"							\
   "fdtfile=your.fdt.dtb\0"


#define CONFIG_NFSBOOTCOMMAND	                                        \
   "setenv bootargs root=/dev/nfs rw "                                  \
      "nfsroot=$serverip:$rootpath "                                    \
      "ip=$ipaddr:$serverip:$gatewayip:$netmask:$hostname:$netdev:off " \
      "console=$consoledev,$baudrate $othbootargs;"                     \
   "tftp $loadaddr $bootfile;"                                          \
   "tftp $fdtaddr $fdtfile;"						\
   "bootm $loadaddr - $fdtaddr"


#define CONFIG_RAMBOOTCOMMAND \
   "setenv bootargs root=/dev/ram rw "                                  \
      "console=$consoledev,$baudrate $othbootargs;"                     \
   "tftp $ramdiskaddr $ramdiskfile;"                                    \
   "tftp $loadaddr $bootfile;"                                          \
   "bootm $loadaddr $ramdiskaddr"

#define CONFIG_BOOTCOMMAND  CONFIG_NFSBOOTCOMMAND

#endif	/* __CONFIG_H */