xref: /rk3399_rockchip-uboot/include/configs/MPC8540ADS.h (revision 40d5fa35d02df22580593bf0039ab173367e8ef0)
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 #ifndef CONFIG_HAS_FEC
45 #define CONFIG_HAS_FEC		1	/* 8540 has FEC */
46 #endif
47 
48 #define CONFIG_PCI
49 #define CONFIG_TSEC_ENET 		/* tsec ethernet support */
50 #define CONFIG_ENV_OVERWRITE
51 #define CONFIG_SPD_EEPROM		/* Use SPD EEPROM for DDR setup*/
52 #define CONFIG_DDR_DLL			/* possible DLL fix needed */
53 #define CONFIG_DDR_2T_TIMING		/* Sets the 2T timing bit */
54 
55 #define CONFIG_DDR_ECC			/* only for ECC DDR module */
56 #define CONFIG_MEM_INIT_VALUE		0xDeadBeef
57 
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, so that is now the default.
68  * The board, however, can run at 66MHz.  In any event, this value
69  * must match the settings of some switches.  Details can be found
70  * in the README.mpc85xxads.
71  */
72 
73 #ifndef CONFIG_SYS_CLK_FREQ
74 #define CONFIG_SYS_CLK_FREQ	33000000
75 #endif
76 
77 
78 /*
79  * These can be toggled for performance analysis, otherwise use default.
80  */
81 #define CONFIG_L2_CACHE			/* toggle L2 cache */
82 #define CONFIG_BTB			/* toggle branch predition */
83 #define CONFIG_ADDR_STREAMING		/* toggle addr streaming */
84 
85 #define CONFIG_BOARD_EARLY_INIT_F	1	/* Call board_pre_init */
86 
87 #undef	CFG_DRAM_TEST			/* memory test, takes time */
88 #define CFG_MEMTEST_START	0x00200000	/* memtest region */
89 #define CFG_MEMTEST_END		0x00400000
90 
91 
92 /*
93  * Base addresses -- Note these are effective addresses where the
94  * actual resources get mapped (not physical addresses)
95  */
96 #define CFG_CCSRBAR_DEFAULT 	0xff700000	/* CCSRBAR Default */
97 #define CFG_CCSRBAR		0xe0000000	/* relocated CCSRBAR */
98 #define CFG_IMMR		CFG_CCSRBAR	/* PQII uses CFG_IMMR */
99 
100 
101 /*
102  * DDR Setup
103  */
104 #define CFG_DDR_SDRAM_BASE	0x00000000	/* DDR is system memory*/
105 #define CFG_SDRAM_BASE		CFG_DDR_SDRAM_BASE
106 
107 #if defined(CONFIG_SPD_EEPROM)
108     /*
109      * Determine DDR configuration from I2C interface.
110      */
111     #define SPD_EEPROM_ADDRESS	0x51		/* DDR DIMM */
112 
113 #else
114     /*
115      * Manually set up DDR parameters
116      */
117     #define CFG_SDRAM_SIZE	128		/* DDR is 128MB */
118     #define CFG_DDR_CS0_BNDS	0x00000007	/* 0-128MB */
119     #define CFG_DDR_CS0_CONFIG	0x80000002
120     #define CFG_DDR_TIMING_1	0x37344321
121     #define CFG_DDR_TIMING_2	0x00000800	/* P9-45,may need tuning */
122     #define CFG_DDR_CONTROL	0xc2000000	/* unbuffered,no DYN_PWR */
123     #define CFG_DDR_MODE	0x00000062	/* DLL,normal,seq,4/2.5 */
124     #define CFG_DDR_INTERVAL	0x05200100	/* autocharge,no open page */
125 #endif
126 
127 
128 /*
129  * SDRAM on the Local Bus
130  */
131 #define CFG_LBC_SDRAM_BASE	0xf0000000	/* Localbus SDRAM */
132 #define CFG_LBC_SDRAM_SIZE	64		/* LBC SDRAM is 64MB */
133 
134 #define CFG_FLASH_BASE		0xff000000	/* start of FLASH 16M */
135 #define CFG_BR0_PRELIM		0xff001801	/* port size 32bit */
136 
137 #define CFG_OR0_PRELIM		0xff006ff7	/* 16MB Flash */
138 #define CFG_MAX_FLASH_BANKS	1		/* number of banks */
139 #define CFG_MAX_FLASH_SECT	64		/* sectors per device */
140 #undef	CFG_FLASH_CHECKSUM
141 #define CFG_FLASH_ERASE_TOUT	60000	/* Flash Erase Timeout (ms) */
142 #define CFG_FLASH_WRITE_TOUT	500	/* Flash Write Timeout (ms) */
143 
144 #define CFG_MONITOR_BASE    	TEXT_BASE	/* start of monitor */
145 
146 #if (CFG_MONITOR_BASE < CFG_FLASH_BASE)
147 #define CFG_RAMBOOT
148 #else
149 #undef  CFG_RAMBOOT
150 #endif
151 
152 #define CFG_FLASH_CFI_DRIVER
153 #define CFG_FLASH_CFI
154 #define CFG_FLASH_EMPTY_INFO
155 
156 #undef CONFIG_CLOCKS_IN_MHZ
157 
158 
159 /*
160  * Local Bus Definitions
161  */
162 
163 /*
164  * Base Register 2 and Option Register 2 configure SDRAM.
165  * The SDRAM base address, CFG_LBC_SDRAM_BASE, is 0xf0000000.
166  *
167  * For BR2, need:
168  *    Base address of 0xf0000000 = BR[0:16] = 1111 0000 0000 0000 0
169  *    port-size = 32-bits = BR2[19:20] = 11
170  *    no parity checking = BR2[21:22] = 00
171  *    SDRAM for MSEL = BR2[24:26] = 011
172  *    Valid = BR[31] = 1
173  *
174  * 0    4    8    12   16   20   24   28
175  * 1111 0000 0000 0000 0001 1000 0110 0001 = f0001861
176  *
177  * FIXME: CFG_LBC_SDRAM_BASE should be masked and OR'ed into
178  * FIXME: the top 17 bits of BR2.
179  */
180 
181 #define CFG_BR2_PRELIM		0xf0001861
182 
183 /*
184  * The SDRAM size in MB, CFG_LBC_SDRAM_SIZE, is 64.
185  *
186  * For OR2, need:
187  *    64MB mask for AM, OR2[0:7] = 1111 1100
188  *		   XAM, OR2[17:18] = 11
189  *    9 columns OR2[19-21] = 010
190  *    13 rows   OR2[23-25] = 100
191  *    EAD set for extra time OR[31] = 1
192  *
193  * 0    4    8    12   16   20   24   28
194  * 1111 1100 0000 0000 0110 1001 0000 0001 = fc006901
195  */
196 
197 #define CFG_OR2_PRELIM		0xfc006901
198 
199 #define CFG_LBC_LCRR		0x00030004    /* LB clock ratio reg */
200 #define CFG_LBC_LBCR		0x00000000    /* LB config reg */
201 #define CFG_LBC_LSRT		0x20000000    /* LB sdram refresh timer */
202 #define CFG_LBC_MRTPR		0x20000000    /* LB refresh timer prescal*/
203 
204 /*
205  * LSDMR masks
206  */
207 #define CFG_LBC_LSDMR_RFEN	(1 << (31 -  1))
208 #define CFG_LBC_LSDMR_BSMA1516	(3 << (31 - 10))
209 #define CFG_LBC_LSDMR_BSMA1617	(4 << (31 - 10))
210 #define CFG_LBC_LSDMR_RFCR5	(3 << (31 - 16))
211 #define CFG_LBC_LSDMR_RFCR16	(7 << (31 - 16))
212 #define CFG_LBC_LSDMR_PRETOACT3	(3 << (31 - 19))
213 #define CFG_LBC_LSDMR_PRETOACT7	(7 << (31 - 19))
214 #define CFG_LBC_LSDMR_ACTTORW3	(3 << (31 - 22))
215 #define CFG_LBC_LSDMR_ACTTORW7	(7 << (31 - 22))
216 #define CFG_LBC_LSDMR_ACTTORW6	(6 << (31 - 22))
217 #define CFG_LBC_LSDMR_BL8	(1 << (31 - 23))
218 #define CFG_LBC_LSDMR_WRC2	(2 << (31 - 27))
219 #define CFG_LBC_LSDMR_WRC4	(0 << (31 - 27))
220 #define CFG_LBC_LSDMR_BUFCMD	(1 << (31 - 29))
221 #define CFG_LBC_LSDMR_CL3	(3 << (31 - 31))
222 
223 #define CFG_LBC_LSDMR_OP_NORMAL	(0 << (31 - 4))
224 #define CFG_LBC_LSDMR_OP_ARFRSH	(1 << (31 - 4))
225 #define CFG_LBC_LSDMR_OP_SRFRSH	(2 << (31 - 4))
226 #define CFG_LBC_LSDMR_OP_MRW	(3 << (31 - 4))
227 #define CFG_LBC_LSDMR_OP_PRECH	(4 << (31 - 4))
228 #define CFG_LBC_LSDMR_OP_PCHALL	(5 << (31 - 4))
229 #define CFG_LBC_LSDMR_OP_ACTBNK	(6 << (31 - 4))
230 #define CFG_LBC_LSDMR_OP_RWINV	(7 << (31 - 4))
231 
232 #define CFG_LBC_LSDMR_COMMON	( CFG_LBC_LSDMR_BSMA1516	\
233 				| CFG_LBC_LSDMR_RFCR5		\
234 				| CFG_LBC_LSDMR_PRETOACT3	\
235 				| CFG_LBC_LSDMR_ACTTORW3	\
236 				| CFG_LBC_LSDMR_BL8		\
237 				| CFG_LBC_LSDMR_WRC2		\
238 				| CFG_LBC_LSDMR_CL3		\
239 				| CFG_LBC_LSDMR_RFEN		\
240 				)
241 
242 /*
243  * SDRAM Controller configuration sequence.
244  */
245 #define CFG_LBC_LSDMR_1		( CFG_LBC_LSDMR_COMMON \
246 				| CFG_LBC_LSDMR_OP_PCHALL)
247 #define CFG_LBC_LSDMR_2		( CFG_LBC_LSDMR_COMMON \
248 				| CFG_LBC_LSDMR_OP_ARFRSH)
249 #define CFG_LBC_LSDMR_3		( CFG_LBC_LSDMR_COMMON \
250 				| CFG_LBC_LSDMR_OP_ARFRSH)
251 #define CFG_LBC_LSDMR_4		( CFG_LBC_LSDMR_COMMON \
252 				| CFG_LBC_LSDMR_OP_MRW)
253 #define CFG_LBC_LSDMR_5		( CFG_LBC_LSDMR_COMMON \
254 				| CFG_LBC_LSDMR_OP_NORMAL)
255 
256 
257 /*
258  * 32KB, 8-bit wide for ADS config reg
259  */
260 #define CFG_BR4_PRELIM          0xf8000801
261 #define CFG_OR4_PRELIM		0xffffe1f1
262 #define CFG_BCSR		(CFG_BR4_PRELIM & 0xffff8000)
263 
264 #define CONFIG_L1_INIT_RAM
265 #define CFG_INIT_RAM_LOCK 	1
266 #define CFG_INIT_RAM_ADDR	0xe4010000	/* Initial RAM address */
267 #define CFG_INIT_RAM_END    	0x4000	    	/* End of used area in RAM */
268 
269 #define CFG_GBL_DATA_SIZE  	128		/* num bytes initial data */
270 #define CFG_GBL_DATA_OFFSET	(CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
271 #define CFG_INIT_SP_OFFSET	CFG_GBL_DATA_OFFSET
272 
273 #define CFG_MONITOR_LEN	    	(256 * 1024)    /* Reserve 256 kB for Mon */
274 #define CFG_MALLOC_LEN	    	(128 * 1024)    /* Reserved for malloc */
275 
276 /* Serial Port */
277 #define CONFIG_CONS_INDEX     1
278 #undef	CONFIG_SERIAL_SOFTWARE_FIFO
279 #define CFG_NS16550
280 #define CFG_NS16550_SERIAL
281 #define CFG_NS16550_REG_SIZE    1
282 #define CFG_NS16550_CLK		get_bus_freq(0)
283 
284 #define CFG_BAUDRATE_TABLE  \
285 	{300, 600, 1200, 2400, 4800, 9600, 19200, 38400,115200}
286 
287 #define CFG_NS16550_COM1        (CFG_CCSRBAR+0x4500)
288 #define CFG_NS16550_COM2        (CFG_CCSRBAR+0x4600)
289 
290 /* Use the HUSH parser */
291 #define CFG_HUSH_PARSER
292 #ifdef  CFG_HUSH_PARSER
293 #define CFG_PROMPT_HUSH_PS2 "> "
294 #endif
295 
296 /* pass open firmware flat tree */
297 #define CONFIG_OF_FLAT_TREE	1
298 #define CONFIG_OF_BOARD_SETUP	1
299 
300 /* maximum size of the flat tree (8K) */
301 #define OF_FLAT_TREE_MAX_SIZE	8192
302 
303 #define OF_CPU			"PowerPC,8540@0"
304 #define OF_SOC			"soc8540@e0000000"
305 #define OF_TBCLK		(bd->bi_busfreq / 8)
306 #define OF_STDOUT_PATH		"/soc8540@e0000000/serial@4500"
307 
308 #define CFG_64BIT_VSPRINTF	1
309 #define CFG_64BIT_STRTOUL	1
310 
311 /* I2C */
312 #define  CONFIG_HARD_I2C		/* I2C with hardware support*/
313 #undef	CONFIG_SOFT_I2C			/* I2C bit-banged */
314 #define CFG_I2C_SPEED		400000	/* I2C speed and slave address */
315 #define CFG_I2C_SLAVE		0x7F
316 #define CFG_I2C_NOPROBES        {0x69}	/* Don't probe these addrs */
317 
318 /* RapidIO MMU */
319 #define CFG_RIO_MEM_BASE	0xc0000000	/* base address */
320 #define CFG_RIO_MEM_PHYS	CFG_RIO_MEM_BASE
321 #define CFG_RIO_MEM_SIZE	0x20000000	/* 128M */
322 
323 /*
324  * General PCI
325  * Addresses are mapped 1-1.
326  */
327 #define CFG_PCI1_MEM_BASE	0x80000000
328 #define CFG_PCI1_MEM_PHYS	CFG_PCI1_MEM_BASE
329 #define CFG_PCI1_MEM_SIZE	0x20000000	/* 512M */
330 #define CFG_PCI1_IO_BASE	0xe2000000
331 #define CFG_PCI1_IO_PHYS	CFG_PCI1_IO_BASE
332 #define CFG_PCI1_IO_SIZE	0x1000000	/* 16M */
333 
334 #if defined(CONFIG_PCI)
335 
336 #define CONFIG_NET_MULTI
337 #define CONFIG_PCI_PNP	               	/* do pci plug-and-play */
338 
339 #undef CONFIG_EEPRO100
340 #undef CONFIG_TULIP
341 
342 #if !defined(CONFIG_PCI_PNP)
343     #define PCI_ENET0_IOADDR	0xe0000000
344     #define PCI_ENET0_MEMADDR	0xe0000000
345     #define PCI_IDSEL_NUMBER	0x0c 	/* slot0->3(IDSEL)=12->15 */
346 #endif
347 
348 #undef CONFIG_PCI_SCAN_SHOW		/* show pci devices on startup */
349 #define CFG_PCI_SUBSYS_VENDORID 0x1057  /* Motorola */
350 
351 #endif	/* CONFIG_PCI */
352 
353 
354 #if defined(CONFIG_TSEC_ENET)
355 
356 #ifndef CONFIG_NET_MULTI
357 #define CONFIG_NET_MULTI 	1
358 #endif
359 
360 #define CONFIG_MII		1	/* MII PHY management */
361 #define CONFIG_MPC85XX_TSEC1	1
362 #define CONFIG_MPC85XX_TSEC1_NAME	"TSEC0"
363 #define CONFIG_MPC85XX_TSEC2	1
364 #define CONFIG_MPC85XX_TSEC2_NAME	"TSEC1"
365 #define TSEC1_PHY_ADDR		0
366 #define TSEC2_PHY_ADDR		1
367 #define TSEC1_PHYIDX		0
368 #define TSEC2_PHYIDX		0
369 
370 
371 #if CONFIG_HAS_FEC
372 #define CONFIG_MPC85XX_FEC	1
373 #define CONFIG_MPC85XX_FEC_NAME		"FEC"
374 #define FEC_PHY_ADDR		3
375 #define FEC_PHYIDX		0
376 #endif
377 
378 /* Options are: TSEC[0-1], FEC */
379 #define CONFIG_ETHPRIME		"TSEC0"
380 
381 #endif	/* CONFIG_TSEC_ENET */
382 
383 
384 /*
385  * Environment
386  */
387 #ifndef CFG_RAMBOOT
388   #define CFG_ENV_IS_IN_FLASH	1
389   #define CFG_ENV_ADDR		(CFG_MONITOR_BASE + 0x40000)
390   #define CFG_ENV_SECT_SIZE	0x40000	/* 256K(one sector) for env */
391   #define CFG_ENV_SIZE		0x2000
392 #else
393   #define CFG_NO_FLASH		1	/* Flash is not usable now */
394   #define CFG_ENV_IS_NOWHERE	1	/* Store ENV in memory only */
395   #define CFG_ENV_ADDR		(CFG_MONITOR_BASE - 0x1000)
396   #define CFG_ENV_SIZE		0x2000
397 #endif
398 
399 #define CONFIG_LOADS_ECHO	1	/* echo on for serial download */
400 #define CFG_LOADS_BAUD_CHANGE	1	/* allow baudrate change */
401 
402 #if defined(CFG_RAMBOOT)
403   #if defined(CONFIG_PCI)
404     #define  CONFIG_COMMANDS	((CONFIG_CMD_DFL	\
405 				 | CFG_CMD_PING		\
406 				 | CFG_CMD_PCI		\
407 				 | CFG_CMD_I2C)		\
408 				&			\
409 				 ~(CFG_CMD_ENV		\
410 				  | CFG_CMD_LOADS))
411   #else
412     #define  CONFIG_COMMANDS	((CONFIG_CMD_DFL	\
413 				 | CFG_CMD_PING		\
414 				 | CFG_CMD_I2C)		\
415 				&			\
416 				 ~(CFG_CMD_ENV		\
417 				  | CFG_CMD_LOADS))
418   #endif
419 #else
420   #if defined(CONFIG_PCI)
421     #define  CONFIG_COMMANDS	(CONFIG_CMD_DFL		\
422 				| CFG_CMD_PCI		\
423 				| CFG_CMD_PING		\
424 				| CFG_CMD_I2C)
425   #else
426     #define  CONFIG_COMMANDS	(CONFIG_CMD_DFL		\
427 				| CFG_CMD_PING		\
428 				| CFG_CMD_I2C)
429   #endif
430 #endif
431 
432 #include <cmd_confdefs.h>
433 
434 #undef CONFIG_WATCHDOG			/* watchdog disabled */
435 
436 /*
437  * Miscellaneous configurable options
438  */
439 #define CFG_LONGHELP			/* undef to save memory	*/
440 #define CFG_LOAD_ADDR	0x2000000	/* default load address */
441 #define CFG_PROMPT	"=> "		/* Monitor Command Prompt */
442 
443 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
444     #define CFG_CBSIZE	1024		/* Console I/O Buffer Size */
445 #else
446     #define CFG_CBSIZE	256		/* Console I/O Buffer Size */
447 #endif
448 
449 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
450 #define CFG_MAXARGS	16		/* max number of command args */
451 #define CFG_BARGSIZE	CFG_CBSIZE	/* Boot Argument Buffer Size */
452 #define CFG_HZ		1000		/* decrementer freq: 1ms ticks */
453 
454 /*
455  * For booting Linux, the board info and command line data
456  * have to be in the first 8 MB of memory, since this is
457  * the maximum mapped by the Linux kernel during initialization.
458  */
459 #define CFG_BOOTMAPSZ	(8 << 20)	/* Initial Memory map for Linux*/
460 
461 /* Cache Configuration */
462 #define CFG_DCACHE_SIZE		32768
463 #define CFG_CACHELINE_SIZE	32
464 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
465 #define CFG_CACHELINE_SHIFT	5	/*log base 2 of the above value*/
466 #endif
467 
468 /*
469  * Internal Definitions
470  *
471  * Boot Flags
472  */
473 #define BOOTFLAG_COLD	0x01		/* Normal Power-On: Boot from FLASH */
474 #define BOOTFLAG_WARM	0x02		/* Software reboot */
475 
476 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
477 #define CONFIG_KGDB_BAUDRATE	230400	/* speed to run kgdb serial port */
478 #define CONFIG_KGDB_SER_INDEX	2	/* which serial port to use */
479 #endif
480 
481 
482 /*
483  * Environment Configuration
484  */
485 
486 /* The mac addresses for all ethernet interface */
487 #if defined(CONFIG_TSEC_ENET)
488 #define CONFIG_ETHADDR   00:E0:0C:00:00:FD
489 #define CONFIG_HAS_ETH1
490 #define CONFIG_ETH1ADDR  00:E0:0C:00:01:FD
491 #define CONFIG_HAS_ETH2
492 #define CONFIG_ETH2ADDR  00:E0:0C:00:02:FD
493 #endif
494 
495 #define CONFIG_IPADDR    192.168.1.253
496 
497 #define CONFIG_HOSTNAME		unknown
498 #define CONFIG_ROOTPATH		/nfsroot
499 #define CONFIG_BOOTFILE		your.uImage
500 
501 #define CONFIG_SERVERIP  192.168.1.1
502 #define CONFIG_GATEWAYIP 192.168.1.1
503 #define CONFIG_NETMASK   255.255.255.0
504 
505 #define CONFIG_LOADADDR  200000	/* default location for tftp and bootm */
506 
507 #define CONFIG_BOOTDELAY 10	/* -1 disables auto-boot */
508 #undef  CONFIG_BOOTARGS		/* the boot command will set bootargs */
509 
510 #define CONFIG_BAUDRATE	115200
511 
512 #define	CONFIG_EXTRA_ENV_SETTINGS				        \
513    "netdev=eth0\0"                                                      \
514    "consoledev=ttyS0\0"                                                 \
515    "ramdiskaddr=400000\0"						\
516    "ramdiskfile=your.ramdisk.u-boot\0"
517 
518 #define CONFIG_NFSBOOTCOMMAND	                                        \
519    "setenv bootargs root=/dev/nfs rw "                                  \
520       "nfsroot=$serverip:$rootpath "                                    \
521       "ip=$ipaddr:$serverip:$gatewayip:$netmask:$hostname:$netdev:off " \
522       "console=$consoledev,$baudrate $othbootargs;"                     \
523    "tftp $loadaddr $bootfile;"                                          \
524    "bootm $loadaddr"
525 
526 #define CONFIG_RAMBOOTCOMMAND \
527    "setenv bootargs root=/dev/ram rw "                                  \
528       "console=$consoledev,$baudrate $othbootargs;"                     \
529    "tftp $ramdiskaddr $ramdiskfile;"                                    \
530    "tftp $loadaddr $bootfile;"                                          \
531    "bootm $loadaddr $ramdiskaddr"
532 
533 #define CONFIG_BOOTCOMMAND  CONFIG_NFSBOOTCOMMAND
534 
535 #endif	/* __CONFIG_H */
536