xref: /openbmc/u-boot/include/configs/MPC8568MDS.h (revision 5a75e121)
1 /*
2  * Copyright 2004-2007 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  * mpc8568mds board configuration file
25  */
26 #ifndef __CONFIG_H
27 #define __CONFIG_H
28 
29 /* High Level Configuration Options */
30 #define CONFIG_BOOKE		1	/* BOOKE */
31 #define CONFIG_E500		1	/* BOOKE e500 family */
32 #define CONFIG_MPC85xx		1	/* MPC8540/60/55/41/48/68 */
33 #define CONFIG_MPC8568		1	/* MPC8568 specific */
34 #define CONFIG_MPC8568MDS	1	/* MPC8568MDS board specific */
35 
36 #define	CONFIG_SYS_TEXT_BASE	0xfff80000
37 
38 #define CONFIG_PCI		1	/* Enable PCI/PCIE */
39 #define CONFIG_PCI1		1	/* PCI controller */
40 #define CONFIG_PCIE1		1	/* PCIE controller */
41 #define CONFIG_FSL_PCI_INIT	1	/* use common fsl pci init code */
42 #define CONFIG_FSL_PCIE_RESET	1	/* need PCIe reset errata */
43 #define CONFIG_SYS_PCI_64BIT	1	/* enable 64-bit PCI resources */
44 #define CONFIG_TSEC_ENET		/* tsec ethernet support */
45 #define CONFIG_QE			/* Enable QE */
46 #define CONFIG_ENV_OVERWRITE
47 #define CONFIG_FSL_LAW		1	/* Use common FSL init code */
48 
49 #ifndef __ASSEMBLY__
50 extern unsigned long get_clock_freq(void);
51 #endif						  /*Replace a call to get_clock_freq (after it is implemented)*/
52 #define CONFIG_SYS_CLK_FREQ	66000000 /*TODO: restore if wanting to read from BCSR: get_clock_freq()*/ /* sysclk for MPC85xx */
53 
54 /*
55  * These can be toggled for performance analysis, otherwise use default.
56  */
57 #define CONFIG_L2_CACHE				/* toggle L2 cache	*/
58 #define CONFIG_BTB				/* toggle branch predition */
59 
60 /*
61  * Only possible on E500 Version 2 or newer cores.
62  */
63 #define CONFIG_ENABLE_36BIT_PHYS	1
64 
65 
66 #define CONFIG_BOARD_EARLY_INIT_F	1	/* Call board_pre_init */
67 
68 #define CONFIG_SYS_MEMTEST_START	0x00200000	/* memtest works on */
69 #define CONFIG_SYS_MEMTEST_END		0x00400000
70 
71 /*
72  * Base addresses -- Note these are effective addresses where the
73  * actual resources get mapped (not physical addresses)
74  */
75 #define CONFIG_SYS_CCSRBAR_DEFAULT	0xff700000	/* CCSRBAR Default */
76 #define CONFIG_SYS_CCSRBAR		0xe0000000	/* relocated CCSRBAR */
77 #define CONFIG_SYS_CCSRBAR_PHYS	CONFIG_SYS_CCSRBAR	/* physical addr of CCSRBAR */
78 #define CONFIG_SYS_IMMR		CONFIG_SYS_CCSRBAR	/* PQII uses CONFIG_SYS_IMMR */
79 
80 /* DDR Setup */
81 #define CONFIG_FSL_DDR2
82 #undef CONFIG_FSL_DDR_INTERACTIVE
83 #define CONFIG_SPD_EEPROM		/* Use SPD EEPROM for DDR setup*/
84 #define CONFIG_DDR_SPD
85 #define CONFIG_DDR_DLL			/* possible DLL fix needed */
86 #define CONFIG_ECC_INIT_VIA_DDRCONTROLLER	/* DDR controller or DMA? */
87 
88 #define CONFIG_MEM_INIT_VALUE	0xDeadBeef
89 
90 #define CONFIG_SYS_DDR_SDRAM_BASE	0x00000000	/* DDR is system memory*/
91 #define CONFIG_SYS_SDRAM_BASE		CONFIG_SYS_DDR_SDRAM_BASE
92 
93 #define CONFIG_NUM_DDR_CONTROLLERS	1
94 #define CONFIG_DIMM_SLOTS_PER_CTLR	1
95 #define CONFIG_CHIP_SELECTS_PER_CTRL	(2 * CONFIG_DIMM_SLOTS_PER_CTLR)
96 
97 /* I2C addresses of SPD EEPROMs */
98 #define SPD_EEPROM_ADDRESS	0x51	/* CTLR 0 DIMM 0 */
99 
100 /* Make sure required options are set */
101 #ifndef CONFIG_SPD_EEPROM
102 #error ("CONFIG_SPD_EEPROM is required")
103 #endif
104 
105 #undef CONFIG_CLOCKS_IN_MHZ
106 
107 /*
108  * Local Bus Definitions
109  */
110 
111 /*
112  * FLASH on the Local Bus
113  * Two banks, 8M each, using the CFI driver.
114  * Boot from BR0/OR0 bank at 0xff00_0000
115  * Alternate BR1/OR1 bank at 0xff80_0000
116  *
117  * BR0, BR1:
118  *    Base address 0 = 0xff00_0000 = BR0[0:16] = 1111 1111 0000 0000 0
119  *    Base address 1 = 0xff80_0000 = BR1[0:16] = 1111 1111 1000 0000 0
120  *    Port Size = 16 bits = BRx[19:20] = 10
121  *    Use GPCM = BRx[24:26] = 000
122  *    Valid = BRx[31] = 1
123  *
124  * 0    4    8    12   16   20   24   28
125  * 1111 1111 1000 0000 0001 0000 0000 0001 = ff801001    BR0
126  * 1111 1111 0000 0000 0001 0000 0000 0001 = ff001001    BR1
127  *
128  * OR0, OR1:
129  *    Addr Mask = 8M = ORx[0:16] = 1111 1111 1000 0000 0
130  *    Reserved ORx[17:18] = 11, confusion here?
131  *    CSNT = ORx[20] = 1
132  *    ACS = half cycle delay = ORx[21:22] = 11
133  *    SCY = 6 = ORx[24:27] = 0110
134  *    TRLX = use relaxed timing = ORx[29] = 1
135  *    EAD = use external address latch delay = OR[31] = 1
136  *
137  * 0    4    8    12   16   20   24   28
138  * 1111 1111 1000 0000 0110 1110 0110 0101 = ff806e65    ORx
139  */
140 #define CONFIG_SYS_BCSR_BASE		0xf8000000
141 
142 #define CONFIG_SYS_FLASH_BASE		0xfe000000	/* start of FLASH 32M */
143 
144 /*Chip select 0 - Flash*/
145 #define CONFIG_SYS_BR0_PRELIM		0xfe001001
146 #define	CONFIG_SYS_OR0_PRELIM		0xfe006ff7
147 
148 /*Chip slelect 1 - BCSR*/
149 #define CONFIG_SYS_BR1_PRELIM		0xf8000801
150 #define	CONFIG_SYS_OR1_PRELIM		0xffffe9f7
151 
152 /*#define CONFIG_SYS_FLASH_BANKS_LIST	{0xff800000, CONFIG_SYS_FLASH_BASE} */
153 #define CONFIG_SYS_MAX_FLASH_BANKS		1		/* number of banks */
154 #define CONFIG_SYS_MAX_FLASH_SECT		512		/* sectors per device */
155 #undef	CONFIG_SYS_FLASH_CHECKSUM
156 #define CONFIG_SYS_FLASH_ERASE_TOUT	60000	/* Flash Erase Timeout (ms) */
157 #define CONFIG_SYS_FLASH_WRITE_TOUT	500		/* Flash Write Timeout (ms) */
158 
159 #define CONFIG_SYS_MONITOR_BASE	CONFIG_SYS_TEXT_BASE	/* start of monitor */
160 
161 #define CONFIG_FLASH_CFI_DRIVER
162 #define CONFIG_SYS_FLASH_CFI
163 #define CONFIG_SYS_FLASH_EMPTY_INFO
164 
165 
166 /*
167  * SDRAM on the LocalBus
168  */
169 #define CONFIG_SYS_LBC_SDRAM_BASE	0xf0000000	/* Localbus SDRAM	 */
170 #define CONFIG_SYS_LBC_SDRAM_SIZE	64			/* LBC SDRAM is 64MB */
171 
172 
173 /*Chip select 2 - SDRAM*/
174 #define CONFIG_SYS_BR2_PRELIM      0xf0001861
175 #define CONFIG_SYS_OR2_PRELIM		0xfc006901
176 
177 #define CONFIG_SYS_LBC_LCRR		0x00030004	/* LB clock ratio reg */
178 #define CONFIG_SYS_LBC_LBCR		0x00000000	/* LB config reg */
179 #define CONFIG_SYS_LBC_LSRT		0x20000000	/* LB sdram refresh timer */
180 #define CONFIG_SYS_LBC_MRTPR		0x00000000	/* LB refresh timer prescal*/
181 
182 /*
183  * Common settings for all Local Bus SDRAM commands.
184  * At run time, either BSMA1516 (for CPU 1.1)
185  *                  or BSMA1617 (for CPU 1.0) (old)
186  * is OR'ed in too.
187  */
188 #define CONFIG_SYS_LBC_LSDMR_COMMON	( LSDMR_RFCR16		\
189 				| LSDMR_PRETOACT7	\
190 				| LSDMR_ACTTORW7	\
191 				| LSDMR_BL8		\
192 				| LSDMR_WRC4		\
193 				| LSDMR_CL3		\
194 				| LSDMR_RFEN		\
195 				)
196 
197 /*
198  * The bcsr registers are connected to CS3 on MDS.
199  * The new memory map places bcsr at 0xf8000000.
200  *
201  * For BR3, need:
202  *    Base address of 0xf8000000 = BR[0:16] = 1111 1000 0000 0000 0
203  *    port-size = 8-bits  = BR[19:20] = 01
204  *    no parity checking  = BR[21:22] = 00
205  *    GPMC for MSEL       = BR[24:26] = 000
206  *    Valid               = BR[31]    = 1
207  *
208  * 0    4    8    12   16   20   24   28
209  * 1111 1000 0000 0000 0000 1000 0000 0001 = f8000801
210  *
211  * For OR3, need:
212  *    1 MB mask for AM,   OR[0:16]  = 1111 1111 1111 0000 0
213  *    disable buffer ctrl OR[19]    = 0
214  *    CSNT                OR[20]    = 1
215  *    ACS                 OR[21:22] = 11
216  *    XACS                OR[23]    = 1
217  *    SCY 15 wait states  OR[24:27] = 1111	max is suboptimal but safe
218  *    SETA                OR[28]    = 0
219  *    TRLX                OR[29]    = 1
220  *    EHTR                OR[30]    = 1
221  *    EAD extra time      OR[31]    = 1
222  *
223  * 0    4    8    12   16   20   24   28
224  * 1111 1111 1111 0000 0000 1111 1111 0111 = fff00ff7
225  */
226 #define CONFIG_SYS_BCSR (0xf8000000)
227 
228 /*Chip slelect 4 - PIB*/
229 #define CONFIG_SYS_BR4_PRELIM   0xf8008801
230 #define CONFIG_SYS_OR4_PRELIM   0xffffe9f7
231 
232 /*Chip select 5 - PIB*/
233 #define CONFIG_SYS_BR5_PRELIM	 0xf8010801
234 #define CONFIG_SYS_OR5_PRELIM	 0xffff69f7
235 
236 #define CONFIG_SYS_INIT_RAM_LOCK	1
237 #define CONFIG_SYS_INIT_RAM_ADDR	0xe4010000	/* Initial RAM address */
238 #define CONFIG_SYS_INIT_RAM_END	0x4000	    /* End of used area in RAM */
239 
240 #define CONFIG_SYS_GBL_DATA_SIZE	128	    /* num bytes initial data */
241 #define CONFIG_SYS_GBL_DATA_OFFSET	(CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE)
242 #define CONFIG_SYS_INIT_SP_OFFSET	CONFIG_SYS_GBL_DATA_OFFSET
243 
244 #define CONFIG_SYS_MONITOR_LEN		(256 * 1024) /* Reserve 256 kB for Mon */
245 #define CONFIG_SYS_MALLOC_LEN		(128 * 1024)	/* Reserved for malloc */
246 
247 /* Serial Port */
248 #define CONFIG_CONS_INDEX		1
249 #define CONFIG_SYS_NS16550
250 #define CONFIG_SYS_NS16550_SERIAL
251 #define CONFIG_SYS_NS16550_REG_SIZE    1
252 #define CONFIG_SYS_NS16550_CLK		get_bus_freq(0)
253 
254 #define CONFIG_SYS_BAUDRATE_TABLE  \
255 	{300, 600, 1200, 2400, 4800, 9600, 19200, 38400,115200}
256 
257 #define CONFIG_SYS_NS16550_COM1        (CONFIG_SYS_CCSRBAR+0x4500)
258 #define CONFIG_SYS_NS16550_COM2        (CONFIG_SYS_CCSRBAR+0x4600)
259 
260 /* Use the HUSH parser*/
261 #define CONFIG_SYS_HUSH_PARSER
262 #ifdef  CONFIG_SYS_HUSH_PARSER
263 #define CONFIG_SYS_PROMPT_HUSH_PS2 "> "
264 #endif
265 
266 /* pass open firmware flat tree */
267 #define CONFIG_OF_LIBFDT		1
268 #define CONFIG_OF_BOARD_SETUP		1
269 #define CONFIG_OF_STDOUT_VIA_ALIAS	1
270 
271 /*
272  * I2C
273  */
274 #define CONFIG_FSL_I2C		/* Use FSL common I2C driver */
275 #define CONFIG_HARD_I2C		/* I2C with hardware support*/
276 #undef	CONFIG_SOFT_I2C			/* I2C bit-banged */
277 #define CONFIG_I2C_MULTI_BUS
278 #define CONFIG_SYS_I2C_SPEED		400000	/* I2C speed and slave address */
279 #define CONFIG_SYS_I2C_EEPROM_ADDR	0x52
280 #define CONFIG_SYS_I2C_SLAVE		0x7F
281 #define CONFIG_SYS_I2C_NOPROBES        {{0,0x69}}	/* Don't probe these addrs */
282 #define CONFIG_SYS_I2C_OFFSET		0x3000
283 #define CONFIG_SYS_I2C2_OFFSET		0x3100
284 
285 /*
286  * General PCI
287  * Memory Addresses are mapped 1-1. I/O is mapped from 0
288  */
289 #define CONFIG_SYS_PCI1_MEM_VIRT	0x80000000
290 #define CONFIG_SYS_PCI1_MEM_BUS	0x80000000
291 #define CONFIG_SYS_PCI1_MEM_PHYS	0x80000000
292 #define CONFIG_SYS_PCI1_MEM_SIZE	0x20000000	/* 512M */
293 #define CONFIG_SYS_PCI1_IO_VIRT	0xe2000000
294 #define CONFIG_SYS_PCI1_IO_BUS	0x00000000
295 #define CONFIG_SYS_PCI1_IO_PHYS	0xe2000000
296 #define CONFIG_SYS_PCI1_IO_SIZE	0x00800000	/* 8M */
297 
298 #define CONFIG_SYS_PCIE1_MEM_VIRT	0xa0000000
299 #define CONFIG_SYS_PCIE1_MEM_BUS	0xa0000000
300 #define CONFIG_SYS_PCIE1_MEM_PHYS	0xa0000000
301 #define CONFIG_SYS_PCIE1_MEM_SIZE	0x20000000	/* 512M */
302 #define CONFIG_SYS_PCIE1_IO_VIRT	0xe2800000
303 #define CONFIG_SYS_PCIE1_IO_BUS	0x00000000
304 #define CONFIG_SYS_PCIE1_IO_PHYS	0xe2800000
305 #define CONFIG_SYS_PCIE1_IO_SIZE	0x00800000	/* 8M */
306 
307 #define CONFIG_SYS_SRIO_MEM_VIRT	0xc0000000
308 #define CONFIG_SYS_SRIO_MEM_BUS	0xc0000000
309 #define CONFIG_SYS_SRIO_MEM_PHYS	0xc0000000
310 
311 #ifdef CONFIG_QE
312 /*
313  * QE UEC ethernet configuration
314  */
315 #define CONFIG_UEC_ETH
316 #ifndef CONFIG_TSEC_ENET
317 #define CONFIG_ETHPRIME         "UEC0"
318 #endif
319 #define CONFIG_PHY_MODE_NEED_CHANGE
320 #define CONFIG_eTSEC_MDIO_BUS
321 
322 #ifdef CONFIG_eTSEC_MDIO_BUS
323 #define CONFIG_MIIM_ADDRESS	0xE0024520
324 #endif
325 
326 #define CONFIG_UEC_ETH1         /* GETH1 */
327 
328 #ifdef CONFIG_UEC_ETH1
329 #define CONFIG_SYS_UEC1_UCC_NUM        0       /* UCC1 */
330 #define CONFIG_SYS_UEC1_RX_CLK         QE_CLK_NONE
331 #define CONFIG_SYS_UEC1_TX_CLK         QE_CLK16
332 #define CONFIG_SYS_UEC1_ETH_TYPE       GIGA_ETH
333 #define CONFIG_SYS_UEC1_PHY_ADDR       7
334 #define CONFIG_SYS_UEC1_INTERFACE_TYPE RGMII_ID
335 #define CONFIG_SYS_UEC1_INTERFACE_SPEED 1000
336 #endif
337 
338 #define CONFIG_UEC_ETH2         /* GETH2 */
339 
340 #ifdef CONFIG_UEC_ETH2
341 #define CONFIG_SYS_UEC2_UCC_NUM        1       /* UCC2 */
342 #define CONFIG_SYS_UEC2_RX_CLK         QE_CLK_NONE
343 #define CONFIG_SYS_UEC2_TX_CLK         QE_CLK16
344 #define CONFIG_SYS_UEC2_ETH_TYPE       GIGA_ETH
345 #define CONFIG_SYS_UEC2_PHY_ADDR       1
346 #define CONFIG_SYS_UEC2_INTERFACE_TYPE RGMII_ID
347 #define CONFIG_SYS_UEC2_INTERFACE_SPEED 1000
348 #endif
349 #endif /* CONFIG_QE */
350 
351 #if defined(CONFIG_PCI)
352 
353 #define CONFIG_NET_MULTI
354 #define CONFIG_PCI_PNP			/* do pci plug-and-play */
355 
356 #undef CONFIG_EEPRO100
357 #undef CONFIG_TULIP
358 
359 #undef CONFIG_PCI_SCAN_SHOW		/* show pci devices on startup */
360 #define CONFIG_SYS_PCI_SUBSYS_VENDORID 0x1057  /* Motorola */
361 
362 #endif	/* CONFIG_PCI */
363 
364 #ifndef CONFIG_NET_MULTI
365 #define CONFIG_NET_MULTI	1
366 #endif
367 
368 #if defined(CONFIG_TSEC_ENET)
369 
370 #define CONFIG_MII		1	/* MII PHY management */
371 #define CONFIG_TSEC1	1
372 #define CONFIG_TSEC1_NAME	"eTSEC0"
373 #define CONFIG_TSEC2	1
374 #define CONFIG_TSEC2_NAME	"eTSEC1"
375 
376 #define TSEC1_PHY_ADDR		2
377 #define TSEC2_PHY_ADDR		3
378 
379 #define TSEC1_PHYIDX		0
380 #define TSEC2_PHYIDX		0
381 
382 #define TSEC1_FLAGS		TSEC_GIGABIT
383 #define TSEC2_FLAGS		TSEC_GIGABIT
384 
385 /* Options are: eTSEC[0-1] */
386 #define CONFIG_ETHPRIME		"eTSEC0"
387 
388 #endif	/* CONFIG_TSEC_ENET */
389 
390 /*
391  * Environment
392  */
393 #define CONFIG_ENV_IS_IN_FLASH	1
394 #define CONFIG_ENV_ADDR		(CONFIG_SYS_MONITOR_BASE + 0x40000)
395 #define CONFIG_ENV_SECT_SIZE	0x40000	/* 256K(one sector) for env */
396 #define CONFIG_ENV_SIZE		0x2000
397 
398 #define CONFIG_LOADS_ECHO	1	/* echo on for serial download */
399 #define CONFIG_SYS_LOADS_BAUD_CHANGE	1	/* allow baudrate change */
400 
401 
402 /*
403  * BOOTP options
404  */
405 #define CONFIG_BOOTP_BOOTFILESIZE
406 #define CONFIG_BOOTP_BOOTPATH
407 #define CONFIG_BOOTP_GATEWAY
408 #define CONFIG_BOOTP_HOSTNAME
409 
410 
411 /*
412  * Command line configuration.
413  */
414 #include <config_cmd_default.h>
415 
416 #define CONFIG_CMD_PING
417 #define CONFIG_CMD_I2C
418 #define CONFIG_CMD_MII
419 #define CONFIG_CMD_ELF
420 #define CONFIG_CMD_IRQ
421 #define CONFIG_CMD_SETEXPR
422 #define CONFIG_CMD_REGINFO
423 
424 #if defined(CONFIG_PCI)
425     #define CONFIG_CMD_PCI
426 #endif
427 
428 
429 #undef CONFIG_WATCHDOG			/* watchdog disabled */
430 
431 /*
432  * Miscellaneous configurable options
433  */
434 #define CONFIG_SYS_LONGHELP			/* undef to save memory	*/
435 #define CONFIG_CMDLINE_EDITING			/* Command-line editing */
436 #define CONFIG_AUTO_COMPLETE			/* add autocompletion support */
437 #define CONFIG_SYS_LOAD_ADDR	0x2000000	/* default load address */
438 #define CONFIG_SYS_PROMPT	"=> "		/* Monitor Command Prompt */
439 #if defined(CONFIG_CMD_KGDB)
440 #define CONFIG_SYS_CBSIZE	1024		/* Console I/O Buffer Size */
441 #else
442 #define CONFIG_SYS_CBSIZE	256			/* Console I/O Buffer Size */
443 #endif
444 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
445 #define CONFIG_SYS_MAXARGS	16		/* max number of command args */
446 #define CONFIG_SYS_BARGSIZE	CONFIG_SYS_CBSIZE	/* Boot Argument Buffer Size */
447 #define CONFIG_SYS_HZ		1000		/* decrementer freq: 1ms ticks */
448 
449 /*
450  * For booting Linux, the board info and command line data
451  * have to be in the first 16 MB of memory, since this is
452  * the maximum mapped by the Linux kernel during initialization.
453  */
454 #define CONFIG_SYS_BOOTMAPSZ	(16 << 20)	/* Initial Memory map for Linux*/
455 
456 #if defined(CONFIG_CMD_KGDB)
457 #define CONFIG_KGDB_BAUDRATE	230400	/* speed to run kgdb serial port */
458 #define CONFIG_KGDB_SER_INDEX	2	/* which serial port to use */
459 #endif
460 
461 /*
462  * Environment Configuration
463  */
464 
465 /* The mac addresses for all ethernet interface */
466 #if defined(CONFIG_TSEC_ENET) || defined(CONFIG_UEC_ETH)
467 #define CONFIG_HAS_ETH0
468 #define CONFIG_ETHADDR   00:E0:0C:00:00:FD
469 #define CONFIG_HAS_ETH1
470 #define CONFIG_ETH1ADDR  00:E0:0C:00:01:FD
471 #define CONFIG_HAS_ETH2
472 #define CONFIG_ETH2ADDR  00:E0:0C:00:02:FD
473 #define CONFIG_HAS_ETH3
474 #define CONFIG_ETH3ADDR  00:E0:0C:00:03:FD
475 #endif
476 
477 #define CONFIG_IPADDR    192.168.1.253
478 
479 #define CONFIG_HOSTNAME  unknown
480 #define CONFIG_ROOTPATH  /nfsroot
481 #define CONFIG_BOOTFILE  your.uImage
482 
483 #define CONFIG_SERVERIP  192.168.1.1
484 #define CONFIG_GATEWAYIP 192.168.1.1
485 #define CONFIG_NETMASK   255.255.255.0
486 
487 #define CONFIG_LOADADDR  200000   /*default location for tftp and bootm*/
488 
489 #define CONFIG_BOOTDELAY 10       /* -1 disables auto-boot */
490 #undef  CONFIG_BOOTARGS           /* the boot command will set bootargs*/
491 
492 #define CONFIG_BAUDRATE	115200
493 
494 #define	CONFIG_EXTRA_ENV_SETTINGS				        \
495    "netdev=eth0\0"                                                      \
496    "consoledev=ttyS0\0"                                                 \
497    "ramdiskaddr=600000\0"                                               \
498    "ramdiskfile=your.ramdisk.u-boot\0"					\
499    "fdtaddr=400000\0"							\
500    "fdtfile=your.fdt.dtb\0"						\
501    "nfsargs=setenv bootargs root=/dev/nfs rw "				\
502       "nfsroot=$serverip:$rootpath "					\
503       "ip=$ipaddr:$serverip:$gatewayip:$netmask:$hostname:$netdev:off " \
504       "console=$consoledev,$baudrate $othbootargs\0"			\
505    "ramargs=setenv bootargs root=/dev/ram rw "				\
506       "console=$consoledev,$baudrate $othbootargs\0"			\
507 
508 
509 #define CONFIG_NFSBOOTCOMMAND	                                        \
510    "run nfsargs;"							\
511    "tftp $loadaddr $bootfile;"                                          \
512    "tftp $fdtaddr $fdtfile;"						\
513    "bootm $loadaddr - $fdtaddr"
514 
515 
516 #define CONFIG_RAMBOOTCOMMAND \
517    "run ramargs;"							\
518    "tftp $ramdiskaddr $ramdiskfile;"                                    \
519    "tftp $loadaddr $bootfile;"                                          \
520    "bootm $loadaddr $ramdiskaddr"
521 
522 #define CONFIG_BOOTCOMMAND  CONFIG_NFSBOOTCOMMAND
523 
524 #endif	/* __CONFIG_H */
525