xref: /rk3399_rockchip-uboot/include/configs/MPC8540ADS.h (revision 466b74108f5344da0b9afb9b857a8f9e4cf4e656)
1 /*
2  * Copyright 2004 Freescale Semiconductor.
3  * (C) Copyright 2002,2003 Motorola,Inc.
4  * Xianghua Xiao <X.Xiao@motorola.com>
5  *
6  * See file CREDITS for list of people who contributed to this
7  * project.
8  *
9  * This program is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU General Public License as
11  * published by the Free Software Foundation; either version 2 of
12  * the License, or (at your option) any later version.
13  *
14  * This program is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
17  * GNU General Public License for more details.
18  *
19  * You should have received a copy of the GNU General Public License
20  * along with this program; if not, write to the Free Software
21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
22  * MA 02111-1307 USA
23  */
24 
25 /*
26  * mpc8540ads board configuration file
27  *
28  * Please refer to doc/README.mpc85xx for more info.
29  *
30  * Make sure you change the MAC address and other network params first,
31  * search for CONFIG_ETHADDR, CONFIG_SERVERIP, etc in this file.
32  */
33 
34 #ifndef __CONFIG_H
35 #define __CONFIG_H
36 
37 /* High Level Configuration Options */
38 #define CONFIG_BOOKE		1	/* BOOKE */
39 #define CONFIG_E500		1	/* BOOKE e500 family */
40 #define CONFIG_MPC85xx		1	/* MPC8540/MPC8560 */
41 #define CONFIG_MPC8540		1	/* MPC8540 specific */
42 #define CONFIG_MPC8540ADS	1	/* MPC8540ADS board specific */
43 
44 #define CONFIG_PCI
45 #define CONFIG_TSEC_ENET 		/* tsec ethernet support */
46 #define CONFIG_ENV_OVERWRITE
47 #define CONFIG_SPD_EEPROM		/* Use SPD EEPROM for DDR setup*/
48 #define CONFIG_DDR_ECC			/* only for ECC DDR module */
49 #define CONFIG_DDR_DLL			/* possible DLL fix needed */
50 #define CONFIG_DDR_2T_TIMING		/* Sets the 2T timing bit */
51 
52 /*
53  * Use Localbus SDRAM to emulate flash before we can program the flash.
54  * Normally you need a flash-boot image(u-boot.bin).
55  * If unsure #undef this.
56  */
57 #undef CONFIG_RAM_AS_FLASH
58 
59 /*
60  * sysclk for MPC85xx
61  *
62  * Two valid values are:
63  *    33000000
64  *    66000000
65  *
66  * Most PCI cards are still 33Mhz, so in the presence of PCI, 33MHz
67  * is likely the desired value here.  The board, however, can run and
68  * defaults to 66Mhz.  In any event, this value must match the settings
69  * of SW15[1] and SW17[8], and likely SW6[0:1], the SYSCLK as well.
70  *
71  *	SW17[8] ------+    SW6
72  *	SW15[1] ----+ |   [0:1]
73  *		    V V    V V
74  *	33MHz	    1 1    1 0
75  *	66MHz	    0 0    0 1
76  */
77 
78 #define CONFIG_SYS_CLK_FREQ	66000000
79 
80 
81 #if !defined(CONFIG_SPD_EEPROM)
82 #define CONFIG_DDR_SETTING	/* manually set up DDR parameters */
83 #endif
84 
85 /*
86  * These can be toggled for performance analysis, otherwise use default.
87  */
88 #define CONFIG_L2_CACHE			/* toggle L2 cache */
89 #define CONFIG_BTB			/* toggle branch predition */
90 #define CONFIG_ADDR_STREAMING		/* toggle addr streaming */
91 
92 #define CONFIG_BOARD_EARLY_INIT_F	1	/* Call board_pre_init */
93 
94 #undef	CFG_DRAM_TEST			/* memory test, takes time */
95 #define CFG_MEMTEST_START	0x00200000	/* memtest region */
96 #define CFG_MEMTEST_END		0x00400000
97 
98 
99 /*
100  * Base addresses -- Note these are effective addresses where the
101  * actual resources get mapped (not physical addresses)
102  */
103 #define CFG_CCSRBAR_DEFAULT 	0xff700000	/* CCSRBAR Default */
104 #define CFG_CCSRBAR		0xe0000000	/* relocated CCSRBAR */
105 #define CFG_IMMR		CFG_CCSRBAR	/* PQII uses CFG_IMMR */
106 
107 #define CFG_DDR_SDRAM_BASE	0x00000000	/* DDR is system memory*/
108 #define CFG_SDRAM_BASE		CFG_DDR_SDRAM_BASE
109 #define CFG_SDRAM_SIZE		128             /* DDR is 128MB */
110 
111 /*
112  * SDRAM on the Local Bus
113  */
114 #if defined(CONFIG_RAM_AS_FLASH)
115 #define CFG_LBC_SDRAM_BASE	0xfc000000	/* Localbus SDRAM */
116 #else
117 #define CFG_LBC_SDRAM_BASE	0xf0000000	/* Localbus SDRAM */
118 #endif
119 #define CFG_LBC_SDRAM_SIZE	64		/* LBC SDRAM is 64MB */
120 
121 #if defined(CONFIG_RAM_AS_FLASH)
122 #define CFG_FLASH_BASE		0xf8000000	/* start of FLASH 16M */
123 #define CFG_BR0_PRELIM		0xf8001801	/* port size 32bit */
124 #else /* Boot from real Flash */
125 #define CFG_FLASH_BASE		0xff000000	/* start of FLASH 16M */
126 #define CFG_BR0_PRELIM		0xff001801	/* port size 32bit */
127 #endif
128 
129 #define CFG_OR0_PRELIM		0xff006ff7	/* 16MB Flash */
130 #define CFG_MAX_FLASH_BANKS	1		/* number of banks */
131 #define CFG_MAX_FLASH_SECT	64		/* sectors per device */
132 #undef	CFG_FLASH_CHECKSUM
133 #define CFG_FLASH_ERASE_TOUT	60000	/* Flash Erase Timeout (ms) */
134 #define CFG_FLASH_WRITE_TOUT	500	/* Flash Write Timeout (ms) */
135 
136 #define CFG_MONITOR_BASE    	TEXT_BASE	/* start of monitor */
137 
138 
139 #if (CFG_MONITOR_BASE < CFG_FLASH_BASE)
140 #define CFG_RAMBOOT
141 #else
142 #undef  CFG_RAMBOOT
143 #endif
144 
145 #define SPD_EEPROM_ADDRESS	0x51		/* DDR DIMM */
146 
147 #undef CONFIG_CLOCKS_IN_MHZ
148 
149 #if defined(CONFIG_DDR_SETTING)
150 #define CFG_DDR_CS0_BNDS	0x00000007	/* 0-128MB */
151 #define CFG_DDR_CS0_CONFIG	0x80000002
152 #define CFG_DDR_TIMING_1	0x37344321
153 #define CFG_DDR_TIMING_2	0x00000800  /* P9-45,may need tuning */
154 #define CFG_DDR_CONTROL		0xc2000000  /* unbuffered,no DYN_PWR */
155 #define CFG_DDR_MODE		0x00000062  /* DLL,normal,seq,4/2.5 */
156 #define CFG_DDR_INTERVAL	0x05200100  /* autocharge,no open page */
157 #endif
158 
159 
160 /*
161  * Local Bus Definitions
162  */
163 
164 /*
165  * Base Register 2 and Option Register 2 configure SDRAM.
166  * The SDRAM base address, CFG_LBC_SDRAM_BASE, is 0xf0000000.
167  *
168  * For BR2, need:
169  *    Base address of 0xf0000000 = BR[0:16] = 1111 0000 0000 0000 0
170  *    port-size = 32-bits = BR2[19:20] = 11
171  *    no parity checking = BR2[21:22] = 00
172  *    SDRAM for MSEL = BR2[24:26] = 011
173  *    Valid = BR[31] = 1
174  *
175  * 0    4    8    12   16   20   24   28
176  * 1111 0000 0000 0000 0001 1000 0110 0001 = f0001861
177  *
178  * FIXME: CFG_LBC_SDRAM_BASE should be masked and OR'ed into
179  * FIXME: the top 17 bits of BR2.
180  */
181 
182 #define CFG_BR2_PRELIM		0xf0001861
183 
184 /*
185  * The SDRAM size in MB, CFG_LBC_SDRAM_SIZE, is 64.
186  *
187  * For OR2, need:
188  *    64MB mask for AM, OR2[0:7] = 1111 1100
189  *		   XAM, OR2[17:18] = 11
190  *    9 columns OR2[19-21] = 010
191  *    13 rows   OR2[23-25] = 100
192  *    EAD set for extra time OR[31] = 1
193  *
194  * 0    4    8    12   16   20   24   28
195  * 1111 1100 0000 0000 0110 1001 0000 0001 = fc006901
196  */
197 
198 #define CFG_OR2_PRELIM		0xfc006901
199 
200 #define CFG_LBC_LCRR		0x00030004    /* LB clock ratio reg */
201 #define CFG_LBC_LBCR		0x00000000    /* LB config reg */
202 #define CFG_LBC_LSRT		0x20000000    /* LB sdram refresh timer */
203 #define CFG_LBC_MRTPR		0x20000000    /* LB refresh timer prescal*/
204 
205 /*
206  * LSDMR masks
207  */
208 #define CFG_LBC_LSDMR_RFEN	(1 << (31 -  1))
209 #define CFG_LBC_LSDMR_BSMA1516	(3 << (31 - 10))
210 #define CFG_LBC_LSDMR_BSMA1617	(4 << (31 - 10))
211 #define CFG_LBC_LSDMR_RFCR5	(3 << (31 - 16))
212 #define CFG_LBC_LSDMR_RFCR16	(7 << (31 - 16))
213 #define CFG_LBC_LSDMR_PRETOACT3	(3 << (31 - 19))
214 #define CFG_LBC_LSDMR_PRETOACT7	(7 << (31 - 19))
215 #define CFG_LBC_LSDMR_ACTTORW3	(3 << (31 - 22))
216 #define CFG_LBC_LSDMR_ACTTORW7	(7 << (31 - 22))
217 #define CFG_LBC_LSDMR_ACTTORW6	(6 << (31 - 22))
218 #define CFG_LBC_LSDMR_BL8	(1 << (31 - 23))
219 #define CFG_LBC_LSDMR_WRC2	(2 << (31 - 27))
220 #define CFG_LBC_LSDMR_WRC4	(0 << (31 - 27))
221 #define CFG_LBC_LSDMR_BUFCMD	(1 << (31 - 29))
222 #define CFG_LBC_LSDMR_CL3	(3 << (31 - 31))
223 
224 #define CFG_LBC_LSDMR_OP_NORMAL	(0 << (31 - 4))
225 #define CFG_LBC_LSDMR_OP_ARFRSH	(1 << (31 - 4))
226 #define CFG_LBC_LSDMR_OP_SRFRSH	(2 << (31 - 4))
227 #define CFG_LBC_LSDMR_OP_MRW	(3 << (31 - 4))
228 #define CFG_LBC_LSDMR_OP_PRECH	(4 << (31 - 4))
229 #define CFG_LBC_LSDMR_OP_PCHALL	(5 << (31 - 4))
230 #define CFG_LBC_LSDMR_OP_ACTBNK	(6 << (31 - 4))
231 #define CFG_LBC_LSDMR_OP_RWINV	(7 << (31 - 4))
232 
233 #define CFG_LBC_LSDMR_COMMON	( CFG_LBC_LSDMR_BSMA1516	\
234 				| CFG_LBC_LSDMR_RFCR5		\
235 				| CFG_LBC_LSDMR_PRETOACT3	\
236 				| CFG_LBC_LSDMR_ACTTORW3	\
237 				| CFG_LBC_LSDMR_BL8		\
238 				| CFG_LBC_LSDMR_WRC2		\
239 				| CFG_LBC_LSDMR_CL3		\
240 				| CFG_LBC_LSDMR_RFEN		\
241 				)
242 
243 /*
244  * SDRAM Controller configuration sequence.
245  */
246 #define CFG_LBC_LSDMR_1		( CFG_LBC_LSDMR_COMMON \
247 				| CFG_LBC_LSDMR_OP_PCHALL)  /*0x2861b723*/
248 #define CFG_LBC_LSDMR_2		( CFG_LBC_LSDMR_COMMON \
249 				| CFG_LBC_LSDMR_OP_ARFRSH)  /*0x0861b723*/
250 #define CFG_LBC_LSDMR_3		( CFG_LBC_LSDMR_COMMON \
251 				| CFG_LBC_LSDMR_OP_ARFRSH)  /*0x0861b723*/
252 #define CFG_LBC_LSDMR_4		( CFG_LBC_LSDMR_COMMON \
253 				| CFG_LBC_LSDMR_OP_MRW)     /*0x1861b723*/
254 #define CFG_LBC_LSDMR_5		( CFG_LBC_LSDMR_COMMON \
255 				| CFG_LBC_LSDMR_OP_NORMAL)  /*0x4061b723*/
256 
257 
258 #if defined(CONFIG_RAM_AS_FLASH)
259 #define CFG_BR4_PRELIM          0xf8000801      /* 32KB, 8-bit wide for ADS config reg */
260 #else
261 #define CFG_BR4_PRELIM          0xf8000801      /* 32KB, 8-bit wide for ADS config reg */
262 #endif
263 #define CFG_OR4_PRELIM		0xffffe1f1
264 #define CFG_BCSR		(CFG_BR4_PRELIM & 0xffff8000)
265 
266 #define CONFIG_L1_INIT_RAM
267 #define CFG_INIT_RAM_LOCK 	1
268 #define CFG_INIT_RAM_ADDR	0x40000000	/* Initial RAM address */
269 #define CFG_INIT_RAM_END    	0x4000	    	/* End of used area in RAM */
270 
271 #define CFG_GBL_DATA_SIZE  	128		/* num bytes initial data */
272 #define CFG_GBL_DATA_OFFSET	(CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
273 #define CFG_INIT_SP_OFFSET	CFG_GBL_DATA_OFFSET
274 
275 #define CFG_MONITOR_LEN	    	(256 * 1024)    /* Reserve 256 kB for Mon */
276 #define CFG_MALLOC_LEN	    	(128 * 1024)    /* Reserved for malloc */
277 
278 /* Serial Port */
279 #define CONFIG_CONS_INDEX     1
280 #undef	CONFIG_SERIAL_SOFTWARE_FIFO
281 #define CFG_NS16550
282 #define CFG_NS16550_SERIAL
283 #define CFG_NS16550_REG_SIZE    1
284 #define CFG_NS16550_CLK		get_bus_freq(0)
285 
286 #define CFG_BAUDRATE_TABLE  \
287 	{300, 600, 1200, 2400, 4800, 9600, 19200, 38400,115200}
288 
289 #define CFG_NS16550_COM1        (CFG_CCSRBAR+0x4500)
290 #define CFG_NS16550_COM2        (CFG_CCSRBAR+0x4600)
291 
292 /* Use the HUSH parser */
293 #define CFG_HUSH_PARSER
294 #ifdef  CFG_HUSH_PARSER
295 #define CFG_PROMPT_HUSH_PS2 "> "
296 #endif
297 
298 /* I2C */
299 #define  CONFIG_HARD_I2C		/* I2C with hardware support*/
300 #undef	CONFIG_SOFT_I2C			/* I2C bit-banged */
301 #define CFG_I2C_SPEED		400000	/* I2C speed and slave address */
302 #define CFG_I2C_SLAVE		0x7F
303 #define CFG_I2C_NOPROBES        {0x69}	/* Don't probe these addrs */
304 
305 /* RapidIO MMU */
306 #define CFG_RIO_MEM_BASE	0xc0000000	/* base address */
307 #define CFG_RIO_MEM_PHYS	CFG_RIO_MEM_BASE
308 #define CFG_RIO_MEM_SIZE	0x20000000	/* 128M */
309 
310 /*
311  * General PCI
312  * Addresses are mapped 1-1.
313  */
314 #define CFG_PCI1_MEM_BASE	0x80000000
315 #define CFG_PCI1_MEM_PHYS	CFG_PCI1_MEM_BASE
316 #define CFG_PCI1_MEM_SIZE	0x20000000	/* 512M */
317 #define CFG_PCI1_IO_BASE	0xe2000000
318 #define CFG_PCI1_IO_PHYS	CFG_PCI1_IO_BASE
319 #define CFG_PCI1_IO_SIZE	0x1000000	/* 16M */
320 
321 #if defined(CONFIG_PCI)
322 
323 #define CONFIG_NET_MULTI
324 #define CONFIG_PCI_PNP		       	/* do pci plug-and-play */
325 
326 #undef CONFIG_EEPRO100
327 #undef CONFIG_TULIP
328 
329 #if !defined(CONFIG_PCI_PNP)
330     #define PCI_ENET0_IOADDR	0xe0000000
331     #define PCI_ENET0_MEMADDR	0xe0000000
332     #define PCI_IDSEL_NUMBER	0x0c 	/* slot0->3(IDSEL)=12->15 */
333 #endif
334 
335 #undef CONFIG_PCI_SCAN_SHOW		/* show pci devices on startup */
336 #define CFG_PCI_SUBSYS_VENDORID 0x1057  /* Motorola */
337 
338 #endif	/* CONFIG_PCI */
339 
340 
341 #if defined(CONFIG_TSEC_ENET)
342 
343 #ifndef CONFIG_NET_MULTI
344 #define CONFIG_NET_MULTI 	1
345 #endif
346 
347 #define CONFIG_MII		1	/* MII PHY management */
348 #define CONFIG_MPC85XX_TSEC1	1
349 #define CONFIG_MPC85XX_TSEC2	1
350 #define CONFIG_MPC85XX_FEC	1
351 #define TSEC1_PHY_ADDR		0
352 #define TSEC2_PHY_ADDR		1
353 #define FEC_PHY_ADDR		3
354 #define TSEC1_PHYIDX		0
355 #define TSEC2_PHYIDX		0
356 #define FEC_PHYIDX		0
357 #define CONFIG_ETHPRIME		"MOTO ENET0"
358 
359 #endif	/* CONFIG_TSEC_ENET */
360 
361 
362 /*
363  * Environment
364  */
365 #ifndef CFG_RAMBOOT
366   #if defined(CONFIG_RAM_AS_FLASH)
367   #define CFG_ENV_IS_NOWHERE
368   #define CFG_ENV_ADDR		(CFG_FLASH_BASE + 0x100000)
369   #define CFG_ENV_SIZE		0x2000
370   #else
371   #define CFG_ENV_IS_IN_FLASH	1
372   #define CFG_ENV_ADDR		(CFG_MONITOR_BASE + 0x40000)
373   #define CFG_ENV_SECT_SIZE	0x40000	/* 256K(one sector) for env */
374   #endif
375   #define CFG_ENV_SIZE		0x2000
376 #else
377 #define CFG_NO_FLASH		1	/* Flash is not usable now */
378 #define CFG_ENV_IS_NOWHERE	1	/* Store ENV in memory only */
379 #define CFG_ENV_ADDR		(CFG_MONITOR_BASE - 0x1000)
380 #define CFG_ENV_SIZE		0x2000
381 #endif
382 
383 #define CONFIG_LOADS_ECHO	1	/* echo on for serial download */
384 #define CFG_LOADS_BAUD_CHANGE	1	/* allow baudrate change */
385 
386 #if defined(CFG_RAMBOOT) || defined(CONFIG_RAM_AS_FLASH)
387   #if defined(CONFIG_PCI)
388     #define  CONFIG_COMMANDS	((CONFIG_CMD_DFL	\
389 				 | CFG_CMD_PING		\
390 				 | CFG_CMD_PCI		\
391 				 | CFG_CMD_I2C)		\
392 				&			\
393 				 ~(CFG_CMD_ENV		\
394 				  | CFG_CMD_LOADS))
395   #else
396     #define  CONFIG_COMMANDS	((CONFIG_CMD_DFL	\
397 				 | CFG_CMD_PING		\
398 				 | CFG_CMD_I2C)		\
399 				&			\
400 				 ~(CFG_CMD_ENV		\
401 				  | CFG_CMD_LOADS))
402   #endif
403 #else
404   #if defined(CONFIG_PCI)
405     #define  CONFIG_COMMANDS	(CONFIG_CMD_DFL		\
406 				| CFG_CMD_PCI		\
407 				| CFG_CMD_PING		\
408 				| CFG_CMD_I2C)
409   #else
410     #define  CONFIG_COMMANDS	(CONFIG_CMD_DFL		\
411 				| CFG_CMD_PING		\
412 				| CFG_CMD_I2C)
413   #endif
414 #endif
415 
416 #include <cmd_confdefs.h>
417 
418 #undef CONFIG_WATCHDOG			/* watchdog disabled */
419 
420 /*
421  * Miscellaneous configurable options
422  */
423 #define CFG_LONGHELP			/* undef to save memory	*/
424 #define CFG_LOAD_ADDR	0x2000000	/* default load address */
425 #define CFG_PROMPT	"=> "		/* Monitor Command Prompt */
426 
427 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
428     #define CFG_CBSIZE	1024		/* Console I/O Buffer Size */
429 #else
430     #define CFG_CBSIZE	256		/* Console I/O Buffer Size */
431 #endif
432 
433 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
434 #define CFG_MAXARGS	16		/* max number of command args */
435 #define CFG_BARGSIZE	CFG_CBSIZE	/* Boot Argument Buffer Size */
436 #define CFG_HZ		1000		/* decrementer freq: 1ms ticks */
437 
438 /*
439  * For booting Linux, the board info and command line data
440  * have to be in the first 8 MB of memory, since this is
441  * the maximum mapped by the Linux kernel during initialization.
442  */
443 #define CFG_BOOTMAPSZ	(8 << 20)	/* Initial Memory map for Linux*/
444 
445 /* Cache Configuration */
446 #define CFG_DCACHE_SIZE		32768
447 #define CFG_CACHELINE_SIZE	32
448 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
449 #define CFG_CACHELINE_SHIFT	5	/*log base 2 of the above value*/
450 #endif
451 
452 /*
453  * Internal Definitions
454  *
455  * Boot Flags
456  */
457 #define BOOTFLAG_COLD	0x01		/* Normal Power-On: Boot from FLASH */
458 #define BOOTFLAG_WARM	0x02		/* Software reboot */
459 
460 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
461 #define CONFIG_KGDB_BAUDRATE	230400	/* speed to run kgdb serial port */
462 #define CONFIG_KGDB_SER_INDEX	2	/* which serial port to use */
463 #endif
464 
465 /*****************************/
466 /* Environment Configuration */
467 /*****************************/
468 
469 /* The mac addresses for all ethernet interface */
470 #if defined(CONFIG_TSEC_ENET)
471 #define CONFIG_ETHADDR   00:E0:0C:00:00:FD
472 #define CONFIG_ETH1ADDR  00:E0:0C:00:01:FD
473 #define CONFIG_ETH2ADDR  00:E0:0C:00:02:FD
474 #endif
475 
476 #define CONFIG_IPADDR    192.168.1.253
477 
478 #define CONFIG_HOSTNAME		unknown
479 #define CONFIG_ROOTPATH		/nfsroot
480 #define CONFIG_BOOTFILE		your.uImage
481 
482 #define CONFIG_SERVERIP  192.168.1.1
483 #define CONFIG_GATEWAYIP 192.168.1.1
484 #define CONFIG_NETMASK   255.255.255.0
485 
486 #define CONFIG_LOADADDR  200000	/* default location for tftp and bootm */
487 
488 #define CONFIG_BOOTDELAY 10	/* -1 disables auto-boot */
489 #undef  CONFIG_BOOTARGS		/* the boot command will set bootargs */
490 
491 #define CONFIG_BAUDRATE	115200
492 
493 #define	CONFIG_EXTRA_ENV_SETTINGS					\
494    "netdev=eth0\0"                                                      \
495    "consoledev=ttyS0\0"                                                 \
496    "ramdiskaddr=400000\0"						\
497    "ramdiskfile=your.ramdisk.u-boot\0"
498 
499 #define CONFIG_NFSBOOTCOMMAND						\
500    "setenv bootargs root=/dev/nfs rw "                                  \
501       "nfsroot=$serverip:$rootpath "                                    \
502       "ip=$ipaddr:$serverip:$gatewayip:$netmask:$hostname:$netdev:off " \
503       "console=$consoledev,$baudrate $othbootargs;"                     \
504    "tftp $loadaddr $bootfile;"                                          \
505    "bootm $loadaddr"
506 
507 #define CONFIG_RAMBOOTCOMMAND \
508    "setenv bootargs root=/dev/ram rw "                                  \
509       "console=$consoledev,$baudrate $othbootargs;"                     \
510    "tftp $ramdiskaddr $ramdiskfile;"                                    \
511    "tftp $loadaddr $bootfile;"                                          \
512    "bootm $loadaddr $ramdiskaddr"
513 
514 #define CONFIG_BOOTCOMMAND  CONFIG_NFSBOOTCOMMAND
515 
516 #endif	/* __CONFIG_H */
517