xref: /openbmc/u-boot/include/configs/MPC8548CDS.h (revision f40a7f3e)
1 /*
2  * Copyright 2004 Freescale Semiconductor.
3  *
4  * See file CREDITS for list of people who contributed to this
5  * project.
6  *
7  * This program is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU General Public License as
9  * published by the Free Software Foundation; either version 2 of
10  * the License, or (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
20  * MA 02111-1307 USA
21  */
22 
23 /*
24  * mpc8548cds board configuration file
25  *
26  * Please refer to doc/README.mpc85xxcds for more info.
27  *
28  */
29 #ifndef __CONFIG_H
30 #define __CONFIG_H
31 
32 /* High Level Configuration Options */
33 #define CONFIG_BOOKE		1	/* BOOKE */
34 #define CONFIG_E500		1	/* BOOKE e500 family */
35 #define CONFIG_MPC85xx		1	/* MPC8540/60/55/41/48 */
36 #define CONFIG_MPC8548		1	/* MPC8548 specific */
37 #define CONFIG_MPC8548CDS	1	/* MPC8548CDS board specific */
38 
39 #define CONFIG_PCI
40 #define CONFIG_TSEC_ENET 		/* tsec ethernet support */
41 #define CONFIG_ENV_OVERWRITE
42 #define CONFIG_SPD_EEPROM		/* Use SPD EEPROM for DDR setup*/
43 #define CONFIG_DDR_DLL			/* possible DLL fix needed */
44 #undef CONFIG_DDR_2T_TIMING		/* Sets the 2T timing bit */
45 
46 #define CONFIG_DDR_ECC			/* only for ECC DDR module */
47 #define CONFIG_ECC_INIT_VIA_DDRCONTROLLER	/* DDR controller or DMA? */
48 #define CONFIG_MEM_INIT_VALUE		0xDeadBeef
49 
50 
51 /*
52  * When initializing flash, if we cannot find the manufacturer ID,
53  * assume this is the AMD flash associated with the CDS board.
54  * This allows booting from a promjet.
55  */
56 #define CONFIG_ASSUME_AMD_FLASH
57 
58 #define MPC85xx_DDR_SDRAM_CLK_CNTL	/* 85xx has clock control reg */
59 
60 #ifndef __ASSEMBLY__
61 extern unsigned long get_clock_freq(void);
62 #endif
63 #define CONFIG_SYS_CLK_FREQ	get_clock_freq() /* sysclk for MPC85xx */
64 
65 /*
66  * These can be toggled for performance analysis, otherwise use default.
67  */
68 #define CONFIG_L2_CACHE		    	    /* toggle L2 cache 	*/
69 #define CONFIG_BTB			    /* toggle branch predition */
70 #define CONFIG_ADDR_STREAMING		    /* toggle addr streaming   */
71 
72 /*
73  * Only possible on E500 Version 2 or newer cores.
74  */
75 #define CONFIG_ENABLE_36BIT_PHYS	1
76 
77 
78 #define CONFIG_BOARD_EARLY_INIT_F	1	/* Call board_pre_init */
79 
80 #undef	CFG_DRAM_TEST			/* memory test, takes time */
81 #define CFG_MEMTEST_START	0x00200000	/* memtest works on */
82 #define CFG_MEMTEST_END		0x00400000
83 
84 /*
85  * Base addresses -- Note these are effective addresses where the
86  * actual resources get mapped (not physical addresses)
87  */
88 #define CFG_CCSRBAR_DEFAULT 	0xff700000	/* CCSRBAR Default */
89 #define CFG_CCSRBAR		0xe0000000	/* relocated CCSRBAR */
90 #define CFG_IMMR		CFG_CCSRBAR	/* PQII uses CFG_IMMR */
91 
92 /*
93  * DDR Setup
94  */
95 #define CFG_DDR_SDRAM_BASE	0x00000000	/* DDR is system memory*/
96 #define CFG_SDRAM_BASE		CFG_DDR_SDRAM_BASE
97 
98 #define SPD_EEPROM_ADDRESS	0x51		/* DDR DIMM */
99 
100 /*
101  * Make sure required options are set
102  */
103 #ifndef CONFIG_SPD_EEPROM
104 #error ("CONFIG_SPD_EEPROM is required")
105 #endif
106 
107 #undef CONFIG_CLOCKS_IN_MHZ
108 
109 
110 /*
111  * Local Bus Definitions
112  */
113 
114 /*
115  * FLASH on the Local Bus
116  * Two banks, 8M each, using the CFI driver.
117  * Boot from BR0/OR0 bank at 0xff00_0000
118  * Alternate BR1/OR1 bank at 0xff80_0000
119  *
120  * BR0, BR1:
121  *    Base address 0 = 0xff00_0000 = BR0[0:16] = 1111 1111 0000 0000 0
122  *    Base address 1 = 0xff80_0000 = BR1[0:16] = 1111 1111 1000 0000 0
123  *    Port Size = 16 bits = BRx[19:20] = 10
124  *    Use GPCM = BRx[24:26] = 000
125  *    Valid = BRx[31] = 1
126  *
127  * 0    4    8    12   16   20   24   28
128  * 1111 1111 1000 0000 0001 0000 0000 0001 = ff801001    BR0
129  * 1111 1111 0000 0000 0001 0000 0000 0001 = ff001001    BR1
130  *
131  * OR0, OR1:
132  *    Addr Mask = 8M = ORx[0:16] = 1111 1111 1000 0000 0
133  *    Reserved ORx[17:18] = 11, confusion here?
134  *    CSNT = ORx[20] = 1
135  *    ACS = half cycle delay = ORx[21:22] = 11
136  *    SCY = 6 = ORx[24:27] = 0110
137  *    TRLX = use relaxed timing = ORx[29] = 1
138  *    EAD = use external address latch delay = OR[31] = 1
139  *
140  * 0    4    8    12   16   20   24   28
141  * 1111 1111 1000 0000 0110 1110 0110 0101 = ff806e65    ORx
142  */
143 
144 #define CFG_FLASH_BASE		0xff000000	/* start of FLASH 8M */
145 
146 #define CFG_BR0_PRELIM		0xff801001
147 #define CFG_BR1_PRELIM		0xff001001
148 
149 #define	CFG_OR0_PRELIM		0xff806e65
150 #define	CFG_OR1_PRELIM		0xff806e65
151 
152 #define CFG_FLASH_BANKS_LIST	{0xff800000, CFG_FLASH_BASE}
153 #define CFG_MAX_FLASH_BANKS	2		/* number of banks */
154 #define CFG_MAX_FLASH_SECT	128		/* sectors per device */
155 #undef	CFG_FLASH_CHECKSUM
156 #define CFG_FLASH_ERASE_TOUT	60000	/* Flash Erase Timeout (ms) */
157 #define CFG_FLASH_WRITE_TOUT	500	/* Flash Write Timeout (ms) */
158 
159 #define CFG_MONITOR_BASE    	TEXT_BASE	/* start of monitor */
160 
161 #define CFG_FLASH_CFI_DRIVER
162 #define CFG_FLASH_CFI
163 #define CFG_FLASH_EMPTY_INFO
164 
165 
166 /*
167  * SDRAM on the Local Bus
168  */
169 #define CFG_LBC_SDRAM_BASE	0xf0000000	/* Localbus SDRAM */
170 #define CFG_LBC_SDRAM_SIZE	64		/* LBC SDRAM is 64MB */
171 
172 /*
173  * Base Register 2 and Option Register 2 configure SDRAM.
174  * The SDRAM base address, CFG_LBC_SDRAM_BASE, is 0xf0000000.
175  *
176  * For BR2, need:
177  *    Base address of 0xf0000000 = BR[0:16] = 1111 0000 0000 0000 0
178  *    port-size = 32-bits = BR2[19:20] = 11
179  *    no parity checking = BR2[21:22] = 00
180  *    SDRAM for MSEL = BR2[24:26] = 011
181  *    Valid = BR[31] = 1
182  *
183  * 0    4    8    12   16   20   24   28
184  * 1111 0000 0000 0000 0001 1000 0110 0001 = f0001861
185  *
186  * FIXME: CFG_LBC_SDRAM_BASE should be masked and OR'ed into
187  * FIXME: the top 17 bits of BR2.
188  */
189 
190 #define CFG_BR2_PRELIM          0xf0001861
191 
192 /*
193  * The SDRAM size in MB, CFG_LBC_SDRAM_SIZE, is 64.
194  *
195  * For OR2, need:
196  *    64MB mask for AM, OR2[0:7] = 1111 1100
197  *		   XAM, OR2[17:18] = 11
198  *    9 columns OR2[19-21] = 010
199  *    13 rows   OR2[23-25] = 100
200  *    EAD set for extra time OR[31] = 1
201  *
202  * 0    4    8    12   16   20   24   28
203  * 1111 1100 0000 0000 0110 1001 0000 0001 = fc006901
204  */
205 
206 #define CFG_OR2_PRELIM		0xfc006901
207 
208 #define CFG_LBC_LCRR		0x00030004    /* LB clock ratio reg */
209 #define CFG_LBC_LBCR		0x00000000    /* LB config reg */
210 #define CFG_LBC_LSRT		0x20000000  /* LB sdram refresh timer */
211 #define CFG_LBC_MRTPR		0x00000000  /* LB refresh timer prescal*/
212 
213 /*
214  * LSDMR masks
215  */
216 #define CFG_LBC_LSDMR_RFEN	(1 << (31 -  1))
217 #define CFG_LBC_LSDMR_BSMA1516	(3 << (31 - 10))
218 #define CFG_LBC_LSDMR_BSMA1617	(4 << (31 - 10))
219 #define CFG_LBC_LSDMR_RFCR16	(7 << (31 - 16))
220 #define CFG_LBC_LSDMR_PRETOACT7	(7 << (31 - 19))
221 #define CFG_LBC_LSDMR_ACTTORW7	(7 << (31 - 22))
222 #define CFG_LBC_LSDMR_ACTTORW6	(6 << (31 - 22))
223 #define CFG_LBC_LSDMR_BL8	(1 << (31 - 23))
224 #define CFG_LBC_LSDMR_WRC4	(0 << (31 - 27))
225 #define CFG_LBC_LSDMR_CL3	(3 << (31 - 31))
226 
227 #define CFG_LBC_LSDMR_OP_NORMAL	(0 << (31 - 4))
228 #define CFG_LBC_LSDMR_OP_ARFRSH	(1 << (31 - 4))
229 #define CFG_LBC_LSDMR_OP_SRFRSH	(2 << (31 - 4))
230 #define CFG_LBC_LSDMR_OP_MRW	(3 << (31 - 4))
231 #define CFG_LBC_LSDMR_OP_PRECH	(4 << (31 - 4))
232 #define CFG_LBC_LSDMR_OP_PCHALL	(5 << (31 - 4))
233 #define CFG_LBC_LSDMR_OP_ACTBNK	(6 << (31 - 4))
234 #define CFG_LBC_LSDMR_OP_RWINV	(7 << (31 - 4))
235 
236 /*
237  * Common settings for all Local Bus SDRAM commands.
238  * At run time, either BSMA1516 (for CPU 1.1)
239  *                  or BSMA1617 (for CPU 1.0) (old)
240  * is OR'ed in too.
241  */
242 #define CFG_LBC_LSDMR_COMMON	( CFG_LBC_LSDMR_RFCR16		\
243 				| CFG_LBC_LSDMR_PRETOACT7	\
244 				| CFG_LBC_LSDMR_ACTTORW7	\
245 				| CFG_LBC_LSDMR_BL8		\
246 				| CFG_LBC_LSDMR_WRC4		\
247 				| CFG_LBC_LSDMR_CL3		\
248 				| CFG_LBC_LSDMR_RFEN		\
249 				)
250 
251 /*
252  * The CADMUS registers are connected to CS3 on CDS.
253  * The new memory map places CADMUS at 0xf8000000.
254  *
255  * For BR3, need:
256  *    Base address of 0xf8000000 = BR[0:16] = 1111 1000 0000 0000 0
257  *    port-size = 8-bits  = BR[19:20] = 01
258  *    no parity checking  = BR[21:22] = 00
259  *    GPMC for MSEL       = BR[24:26] = 000
260  *    Valid               = BR[31]    = 1
261  *
262  * 0    4    8    12   16   20   24   28
263  * 1111 1000 0000 0000 0000 1000 0000 0001 = f8000801
264  *
265  * For OR3, need:
266  *    1 MB mask for AM,   OR[0:16]  = 1111 1111 1111 0000 0
267  *    disable buffer ctrl OR[19]    = 0
268  *    CSNT                OR[20]    = 1
269  *    ACS                 OR[21:22] = 11
270  *    XACS                OR[23]    = 1
271  *    SCY 15 wait states  OR[24:27] = 1111	max is suboptimal but safe
272  *    SETA                OR[28]    = 0
273  *    TRLX                OR[29]    = 1
274  *    EHTR                OR[30]    = 1
275  *    EAD extra time      OR[31]    = 1
276  *
277  * 0    4    8    12   16   20   24   28
278  * 1111 1111 1111 0000 0000 1111 1111 0111 = fff00ff7
279  */
280 
281 #define CADMUS_BASE_ADDR 0xf8000000
282 #define CFG_BR3_PRELIM   0xf8000801
283 #define CFG_OR3_PRELIM   0xfff00ff7
284 
285 #define CONFIG_L1_INIT_RAM
286 #define CFG_INIT_RAM_LOCK 	1
287 #define CFG_INIT_RAM_ADDR	0xe4010000	/* Initial RAM address */
288 #define CFG_INIT_RAM_END    	0x4000	    /* End of used area in RAM */
289 
290 #define CFG_GBL_DATA_SIZE  	128	    /* num bytes initial data */
291 #define CFG_GBL_DATA_OFFSET	(CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
292 #define CFG_INIT_SP_OFFSET	CFG_GBL_DATA_OFFSET
293 
294 #define CFG_MONITOR_LEN	    	(256 * 1024) /* Reserve 256 kB for Mon */
295 #define CFG_MALLOC_LEN	    	(128 * 1024)	/* Reserved for malloc */
296 
297 /* Serial Port */
298 #define CONFIG_CONS_INDEX     2
299 #undef	CONFIG_SERIAL_SOFTWARE_FIFO
300 #define CFG_NS16550
301 #define CFG_NS16550_SERIAL
302 #define CFG_NS16550_REG_SIZE    1
303 #define CFG_NS16550_CLK		get_bus_freq(0)
304 
305 #define CFG_BAUDRATE_TABLE  \
306 	{300, 600, 1200, 2400, 4800, 9600, 19200, 38400,115200}
307 
308 #define CFG_NS16550_COM1        (CFG_CCSRBAR+0x4500)
309 #define CFG_NS16550_COM2        (CFG_CCSRBAR+0x4600)
310 
311 /* Use the HUSH parser */
312 #define CFG_HUSH_PARSER
313 #ifdef  CFG_HUSH_PARSER
314 #define CFG_PROMPT_HUSH_PS2 "> "
315 #endif
316 
317 /* pass open firmware flat tree */
318 #define CONFIG_OF_FLAT_TREE	1
319 #define CONFIG_OF_BOARD_SETUP	1
320 
321 /* maximum size of the flat tree (8K) */
322 #define OF_FLAT_TREE_MAX_SIZE	8192
323 
324 #define OF_CPU			"PowerPC,8548@0"
325 #define OF_SOC			"soc8548@e0000000"
326 #define OF_TBCLK		(bd->bi_busfreq / 8)
327 #define OF_STDOUT_PATH		"/soc8548@e0000000/serial@4600"
328 
329 /*
330  * I2C
331  */
332 #define CONFIG_FSL_I2C		/* Use FSL common I2C driver */
333 #define CONFIG_HARD_I2C		/* I2C with hardware support*/
334 #undef	CONFIG_SOFT_I2C			/* I2C bit-banged */
335 #define CFG_I2C_SPEED		400000	/* I2C speed and slave address */
336 #define CFG_I2C_EEPROM_ADDR	0x57
337 #define CFG_I2C_SLAVE		0x7F
338 #define CFG_I2C_NOPROBES        {0x69}	/* Don't probe these addrs */
339 #define CFG_I2C_OFFSET		0x3000
340 
341 /*
342  * General PCI
343  * Memory space is mapped 1-1, but I/O space must start from 0.
344  */
345 #define CFG_PCI1_MEM_BASE	0x80000000
346 #define CFG_PCI1_MEM_PHYS	CFG_PCI1_MEM_BASE
347 #define CFG_PCI1_MEM_SIZE	0x10000000	/* 256M */
348 #define CFG_PCI1_IO_BASE	0x00000000
349 #define CFG_PCI1_IO_PHYS	0xe2000000
350 #define CFG_PCI1_IO_SIZE	0x00800000	/* 8M */
351 
352 #define CFG_PCI2_MEM_BASE	0x90000000
353 #define CFG_PCI2_MEM_PHYS	CFG_PCI2_MEM_BASE
354 #define CFG_PCI2_MEM_SIZE	0x10000000	/* 256M */
355 #define CFG_PCI2_IO_BASE	0x00000000
356 #define CFG_PCI2_IO_PHYS	0xe2800000
357 #define CFG_PCI2_IO_SIZE	0x00800000	/* 8M */
358 
359 #define CFG_PEX_MEM_BASE	0xa0000000
360 #define CFG_PEX_MEM_PHYS	CFG_PEX_MEM_BASE
361 #define CFG_PEX_MEM_SIZE	0x20000000	/* 512M */
362 #define CFG_PEX_IO_BASE		0x00000000
363 #define CFG_PEX_IO_PHYS		0xe3000000
364 #define CFG_PEX_IO_SIZE		0x01000000	/* 16M */
365 
366 /*
367  * RapidIO MMU
368  */
369 #define CFG_RIO_MEM_BASE	0xC0000000
370 #define CFG_RIO_MEM_SIZE	0x20000000	/* 512M */
371 
372 #if defined(CONFIG_PCI)
373 
374 #define CONFIG_NET_MULTI
375 #define CONFIG_PCI_PNP	               	/* do pci plug-and-play */
376 #define CONFIG_85XX_PCI2
377 
378 #undef CONFIG_EEPRO100
379 #undef CONFIG_TULIP
380 
381 #undef CONFIG_PCI_SCAN_SHOW		/* show pci devices on startup */
382 #define CFG_PCI_SUBSYS_VENDORID 0x1057  /* Motorola */
383 
384 #endif	/* CONFIG_PCI */
385 
386 
387 #if defined(CONFIG_TSEC_ENET)
388 
389 #ifndef CONFIG_NET_MULTI
390 #define CONFIG_NET_MULTI 	1
391 #endif
392 
393 #define CONFIG_MII		1	/* MII PHY management */
394 #define CONFIG_TSEC1	1
395 #define CONFIG_TSEC1_NAME	"eTSEC0"
396 #define CONFIG_TSEC2	1
397 #define CONFIG_TSEC2_NAME	"eTSEC1"
398 #define CONFIG_TSEC3	1
399 #define CONFIG_TSEC3_NAME	"eTSEC2"
400 #undef CONFIG_TSEC4
401 #define CONFIG_TSEC4_NAME	"eTSEC3"
402 #undef CONFIG_MPC85XX_FEC
403 
404 #define TSEC1_PHY_ADDR		0
405 #define TSEC2_PHY_ADDR		1
406 #define TSEC3_PHY_ADDR		2
407 #define TSEC4_PHY_ADDR		3
408 
409 #define TSEC1_PHYIDX		0
410 #define TSEC2_PHYIDX		0
411 #define TSEC3_PHYIDX		0
412 #define TSEC4_PHYIDX		0
413 
414 /* Options are: eTSEC[0-3] */
415 #define CONFIG_ETHPRIME		"eTSEC0"
416 
417 #endif	/* CONFIG_TSEC_ENET */
418 
419 /*
420  * Environment
421  */
422 #define CFG_ENV_IS_IN_FLASH	1
423 #define CFG_ENV_ADDR		(CFG_MONITOR_BASE + 0x40000)
424 #define CFG_ENV_SECT_SIZE	0x40000	/* 256K(one sector) for env */
425 #define CFG_ENV_SIZE		0x2000
426 
427 #define CONFIG_LOADS_ECHO	1	/* echo on for serial download */
428 #define CFG_LOADS_BAUD_CHANGE	1	/* allow baudrate change */
429 
430 /*
431  * BOOTP options
432  */
433 #define CONFIG_BOOTP_BOOTFILESIZE
434 #define CONFIG_BOOTP_BOOTPATH
435 #define CONFIG_BOOTP_GATEWAY
436 #define CONFIG_BOOTP_HOSTNAME
437 
438 
439 /*
440  * Command line configuration.
441  */
442 #include <config_cmd_default.h>
443 
444 #define CONFIG_CMD_PING
445 #define CONFIG_CMD_I2C
446 #define CONFIG_CMD_MII
447 
448 #if defined(CONFIG_PCI)
449     #define CONFIG_CMD_PCI
450 #endif
451 
452 
453 #undef CONFIG_WATCHDOG			/* watchdog disabled */
454 
455 /*
456  * Miscellaneous configurable options
457  */
458 #define CFG_LONGHELP			/* undef to save memory	*/
459 #define CFG_LOAD_ADDR	0x2000000	/* default load address */
460 #define CFG_PROMPT	"=> "		/* Monitor Command Prompt */
461 #if defined(CONFIG_CMD_KGDB)
462 #define CFG_CBSIZE	1024		/* Console I/O Buffer Size */
463 #else
464 #define CFG_CBSIZE	256		/* Console I/O Buffer Size */
465 #endif
466 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
467 #define CFG_MAXARGS	16		/* max number of command args */
468 #define CFG_BARGSIZE	CFG_CBSIZE	/* Boot Argument Buffer Size */
469 #define CFG_HZ		1000		/* decrementer freq: 1ms ticks */
470 
471 /*
472  * For booting Linux, the board info and command line data
473  * have to be in the first 8 MB of memory, since this is
474  * the maximum mapped by the Linux kernel during initialization.
475  */
476 #define CFG_BOOTMAPSZ	(8 << 20) 	/* Initial Memory map for Linux*/
477 
478 /* Cache Configuration */
479 #define CFG_DCACHE_SIZE	32768
480 #define CFG_CACHELINE_SIZE	32
481 #if defined(CONFIG_CMD_KGDB)
482 #define CFG_CACHELINE_SHIFT	5	/*log base 2 of the above value*/
483 #endif
484 
485 /*
486  * Internal Definitions
487  *
488  * Boot Flags
489  */
490 #define BOOTFLAG_COLD	0x01		/* Normal Power-On: Boot from FLASH */
491 #define BOOTFLAG_WARM	0x02		/* Software reboot */
492 
493 #if defined(CONFIG_CMD_KGDB)
494 #define CONFIG_KGDB_BAUDRATE	230400	/* speed to run kgdb serial port */
495 #define CONFIG_KGDB_SER_INDEX	2	/* which serial port to use */
496 #endif
497 
498 /*
499  * Environment Configuration
500  */
501 
502 /* The mac addresses for all ethernet interface */
503 #if defined(CONFIG_TSEC_ENET)
504 #define CONFIG_ETHADDR   00:E0:0C:00:00:FD
505 #define CONFIG_HAS_ETH1
506 #define CONFIG_ETH1ADDR  00:E0:0C:00:01:FD
507 #define CONFIG_HAS_ETH2
508 #define CONFIG_ETH2ADDR  00:E0:0C:00:02:FD
509 #define CONFIG_HAS_ETH3
510 #define CONFIG_ETH3ADDR  00:E0:0C:00:03:FD
511 #endif
512 
513 #define CONFIG_IPADDR    192.168.1.253
514 
515 #define CONFIG_HOSTNAME  unknown
516 #define CONFIG_ROOTPATH  /nfsroot
517 #define CONFIG_BOOTFILE  your.uImage
518 
519 #define CONFIG_SERVERIP  192.168.1.1
520 #define CONFIG_GATEWAYIP 192.168.1.1
521 #define CONFIG_NETMASK   255.255.255.0
522 
523 #define CONFIG_LOADADDR  200000   /*default location for tftp and bootm*/
524 
525 #define CONFIG_BOOTDELAY 10       /* -1 disables auto-boot */
526 #undef  CONFIG_BOOTARGS           /* the boot command will set bootargs*/
527 
528 #define CONFIG_BAUDRATE	115200
529 
530 #define	CONFIG_EXTRA_ENV_SETTINGS				        \
531    "netdev=eth0\0"                                                      \
532    "consoledev=ttyS1\0"                                                 \
533    "ramdiskaddr=600000\0"                                               \
534    "ramdiskfile=your.ramdisk.u-boot\0"					\
535    "fdtaddr=400000\0"							\
536    "fdtfile=your.fdt.dtb\0"
537 
538 
539 #define CONFIG_NFSBOOTCOMMAND	                                        \
540    "setenv bootargs root=/dev/nfs rw "                                  \
541       "nfsroot=$serverip:$rootpath "                                    \
542       "ip=$ipaddr:$serverip:$gatewayip:$netmask:$hostname:$netdev:off " \
543       "console=$consoledev,$baudrate $othbootargs;"                     \
544    "tftp $loadaddr $bootfile;"                                          \
545    "tftp $fdtaddr $fdtfile;"						\
546    "bootm $loadaddr - $fdtaddr"
547 
548 
549 #define CONFIG_RAMBOOTCOMMAND \
550    "setenv bootargs root=/dev/ram rw "                                  \
551       "console=$consoledev,$baudrate $othbootargs;"                     \
552    "tftp $ramdiskaddr $ramdiskfile;"                                    \
553    "tftp $loadaddr $bootfile;"                                          \
554    "bootm $loadaddr $ramdiskaddr"
555 
556 #define CONFIG_BOOTCOMMAND  CONFIG_NFSBOOTCOMMAND
557 
558 #endif	/* __CONFIG_H */
559