xref: /openbmc/u-boot/include/configs/BSC9131RDB.h (revision 983c72f4)
1 /*
2  * Copyright 2011-2012 Freescale Semiconductor, Inc.
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  * BSC9131 RDB board configuration file
25  */
26 
27 #ifndef __CONFIG_H
28 #define __CONFIG_H
29 
30 #ifdef CONFIG_BSC9131RDB
31 #define CONFIG_BSC9131
32 #define CONFIG_NAND_FSL_IFC
33 #endif
34 
35 #ifdef CONFIG_SPIFLASH
36 #define CONFIG_RAMBOOT_SPIFLASH
37 #define CONFIG_SYS_RAMBOOT
38 #define CONFIG_SYS_EXTRA_ENV_RELOC
39 #define CONFIG_SYS_TEXT_BASE		0x11000000
40 #define CONFIG_RESET_VECTOR_ADDRESS	0x1107fffc
41 #endif
42 
43 #ifdef CONFIG_NAND
44 #define CONFIG_SPL
45 #define CONFIG_SPL_INIT_MINIMAL
46 #define CONFIG_SPL_SERIAL_SUPPORT
47 #define CONFIG_SPL_NAND_SUPPORT
48 #define CONFIG_SPL_NAND_MINIMAL
49 #define CONFIG_SPL_FLUSH_IMAGE
50 #define CONFIG_SPL_TARGET		"u-boot-with-spl.bin"
51 
52 #define CONFIG_SYS_TEXT_BASE		0x00201000
53 #define CONFIG_SPL_TEXT_BASE		0xFFFFE000
54 #define CONFIG_SPL_MAX_SIZE		8192
55 #define CONFIG_SPL_RELOC_TEXT_BASE	0x00100000
56 #define CONFIG_SPL_RELOC_STACK		0x00100000
57 #define CONFIG_SYS_NAND_U_BOOT_SIZE	((512 << 10) - 0x2000)
58 #define CONFIG_SYS_NAND_U_BOOT_DST	(0x00200000 - CONFIG_SPL_MAX_SIZE)
59 #define CONFIG_SYS_NAND_U_BOOT_START	0x00200000
60 #define CONFIG_SYS_NAND_U_BOOT_OFFS	0
61 #define CONFIG_SYS_LDSCRIPT	"arch/powerpc/cpu/mpc85xx/u-boot-nand.lds"
62 #endif
63 
64 #ifdef CONFIG_SPL_BUILD
65 #define CONFIG_SYS_MONITOR_BASE	CONFIG_SPL_TEXT_BASE
66 #else
67 #define CONFIG_SYS_MONITOR_BASE	CONFIG_SYS_TEXT_BASE	/* start of monitor */
68 #endif
69 
70 
71 /* High Level Configuration Options */
72 #define CONFIG_BOOKE			/* BOOKE */
73 #define CONFIG_E500			/* BOOKE e500 family */
74 #define CONFIG_MPC85xx		/* MPC8540/60/55/41/48/P1020/P2020/P1010,etc*/
75 #define CONFIG_FSL_IFC			/* Enable IFC Support */
76 
77 #define CONFIG_FSL_LAW			/* Use common FSL init code */
78 #define CONFIG_TSEC_ENET
79 #define CONFIG_ENV_OVERWRITE
80 
81 #define CONFIG_DDR_CLK_FREQ	66666666 /* DDRCLK on 9131 RDB */
82 #if defined(CONFIG_SYS_CLK_100)
83 #define CONFIG_SYS_CLK_FREQ    100000000 /* SYSCLK for 9131 RDB */
84 #else
85 #define CONFIG_SYS_CLK_FREQ	66666666 /* SYSCLK for 9131 RDB */
86 #endif
87 
88 #define CONFIG_HWCONFIG
89 /*
90  * These can be toggled for performance analysis, otherwise use default.
91  */
92 #define CONFIG_L2_CACHE			/* toggle L2 cache */
93 #define CONFIG_BTB			/* enable branch predition */
94 
95 #define CONFIG_SYS_MEMTEST_START	0x01000000	/* memtest works on */
96 #define CONFIG_SYS_MEMTEST_END		0x01ffffff
97 
98 /* DDR Setup */
99 #define CONFIG_FSL_DDR3
100 #undef CONFIG_SYS_DDR_RAW_TIMING
101 #undef CONFIG_DDR_SPD
102 #define CONFIG_SYS_SPD_BUS_NUM		0
103 #define SPD_EEPROM_ADDRESS		0x52 /* I2C access */
104 
105 #define CONFIG_MEM_INIT_VALUE		0xDeadBeef
106 
107 #ifndef __ASSEMBLY__
108 extern unsigned long get_sdram_size(void);
109 #endif
110 #define CONFIG_SYS_SDRAM_SIZE		get_sdram_size() /* DDR size */
111 #define CONFIG_SYS_DDR_SDRAM_BASE	0x00000000
112 #define CONFIG_SYS_SDRAM_BASE		CONFIG_SYS_DDR_SDRAM_BASE
113 
114 #define CONFIG_NUM_DDR_CONTROLLERS	1
115 #define CONFIG_DIMM_SLOTS_PER_CTLR	1
116 #define CONFIG_CHIP_SELECTS_PER_CTRL	1
117 
118 #define CONFIG_SYS_DDR_CS0_BNDS		0x0000003f
119 #define CONFIG_SYS_DDR_CS0_CONFIG	0x80014302
120 #define CONFIG_SYS_DDR_CS0_CONFIG_2	0x00000000
121 
122 #define CONFIG_SYS_DDR_DATA_INIT	0xdeadbeef
123 #define CONFIG_SYS_DDR_INIT_ADDR	0x00000000
124 #define CONFIG_SYS_DDR_INIT_EXT_ADDR	0x00000000
125 #define CONFIG_SYS_DDR_MODE_CONTROL	0x00000000
126 
127 #define CONFIG_SYS_DDR_ZQ_CONTROL	0x89080600
128 #define CONFIG_SYS_DDR_SR_CNTR		0x00000000
129 #define CONFIG_SYS_DDR_RCW_1		0x00000000
130 #define CONFIG_SYS_DDR_RCW_2		0x00000000
131 #define CONFIG_SYS_DDR_CONTROL		0xC70C0000	/* Type = DDR3	*/
132 #define CONFIG_SYS_DDR_CONTROL_2	0x24401000
133 #define CONFIG_SYS_DDR_TIMING_4		0x00000001
134 #define CONFIG_SYS_DDR_TIMING_5		0x02401400
135 
136 #define CONFIG_SYS_DDR_TIMING_3_800		0x00030000
137 #define CONFIG_SYS_DDR_TIMING_0_800		0x00110104
138 #define CONFIG_SYS_DDR_TIMING_1_800		0x6f6b8644
139 #define CONFIG_SYS_DDR_TIMING_2_800		0x0fa888cf
140 #define CONFIG_SYS_DDR_CLK_CTRL_800		0x03000000
141 #define CONFIG_SYS_DDR_MODE_1_800		0x00441420
142 #define CONFIG_SYS_DDR_MODE_2_800		0x8000c000
143 #define CONFIG_SYS_DDR_INTERVAL_800		0x0c300100
144 #define CONFIG_SYS_DDR_WRLVL_CONTROL_800	0x8675f608
145 
146 /*
147  * Base addresses -- Note these are effective addresses where the
148  * actual resources get mapped (not physical addresses)
149  */
150 /* relocated CCSRBAR */
151 #define CONFIG_SYS_CCSRBAR	CONFIG_SYS_CCSRBAR_DEFAULT
152 #define CONFIG_SYS_CCSRBAR_PHYS_LOW	CONFIG_SYS_CCSRBAR_DEFAULT
153 
154 #define CONFIG_SYS_IMMR		CONFIG_SYS_CCSRBAR	/* PQII uses */
155 							/* CONFIG_SYS_IMMR */
156 /* DSP CCSRBAR */
157 #define CONFIG_SYS_FSL_DSP_CCSRBAR	CONFIG_SYS_FSL_DSP_CCSRBAR_DEFAULT
158 #define CONFIG_SYS_FSL_DSP_CCSRBAR_PHYS	CONFIG_SYS_FSL_DSP_CCSRBAR_DEFAULT
159 
160 /*
161  * Memory map
162  *
163  * 0x0000_0000	0x3FFF_FFFF	DDR			1G cacheable
164  * 0x8800_0000	0x8810_0000	IFC internal SRAM		1M
165  * 0xB000_0000	0xB0FF_FFFF	DSP core M2 memory	16M
166  * 0xC100_0000	0xC13F_FFFF	MAPLE-2F		4M
167  * 0xC1F0_0000	0xC1F3_FFFF	PA L2 SRAM Region 0	256K
168  * 0xC1F8_0000	0xC1F9_FFFF	PA L2 SRAM Region 1	128K
169  * 0xFED0_0000	0xFED0_3FFF	SEC Secured RAM		16K
170  * 0xFF60_0000	0xFF6F_FFFF	DSP CCSR		1M
171  * 0xFF70_0000	0xFF7F_FFFF	PA CCSR			1M
172  * 0xFF80_0000	0xFFFF_FFFF	Boot Page & NAND flash buffer	8M
173  *
174  */
175 
176 /*
177  * IFC Definitions
178  */
179 #define CONFIG_SYS_NO_FLASH
180 
181 /* NAND Flash on IFC */
182 #define CONFIG_SYS_NAND_BASE		0xff800000
183 #define CONFIG_SYS_NAND_BASE_PHYS	CONFIG_SYS_NAND_BASE
184 
185 #define CONFIG_SYS_NAND_CSPR	(CSPR_PHYS_ADDR(CONFIG_SYS_NAND_BASE_PHYS) \
186 				| CSPR_PORT_SIZE_8	/* Port Size = 8 bit*/ \
187 				| CSPR_MSEL_NAND	/* MSEL = NAND */ \
188 				| CSPR_V)
189 #define CONFIG_SYS_NAND_AMASK	IFC_AMASK(64*1024)
190 
191 #define CONFIG_SYS_NAND_CSOR    (CSOR_NAND_ECC_ENC_EN   /* ECC on encode */ \
192 				| CSOR_NAND_ECC_DEC_EN  /* ECC on decode */ \
193 				| CSOR_NAND_ECC_MODE_4  /* 4-bit ECC */ \
194 				| CSOR_NAND_RAL_2	/* RAL = 2Byes */ \
195 				| CSOR_NAND_PGS_2K	/* Page Size = 2K */ \
196 				| CSOR_NAND_SPRZ_64	/* Spare size = 64 */ \
197 				| CSOR_NAND_PB(64))	/*Pages Per Block = 64*/
198 
199 /* NAND Flash Timing Params */
200 #define CONFIG_SYS_NAND_FTIM0		(FTIM0_NAND_TCCST(0x08)  \
201 					| FTIM0_NAND_TWP(0x06)   \
202 					| FTIM0_NAND_TWCHT(0x03) \
203 					| FTIM0_NAND_TWH(0x04))
204 #define CONFIG_SYS_NAND_FTIM1		(FTIM1_NAND_TADLE(0x18) \
205 					| FTIM1_NAND_TWBE(0x23) \
206 					| FTIM1_NAND_TRR(0x08)  \
207 					| FTIM1_NAND_TRP(0x05))
208 #define CONFIG_SYS_NAND_FTIM2		(FTIM2_NAND_TRAD(0x08)  \
209 					| FTIM2_NAND_TREH(0x04) \
210 					| FTIM2_NAND_TWHRE(0x3f))
211 #define CONFIG_SYS_NAND_FTIM3		FTIM3_NAND_TWW(0x22)
212 
213 #define CONFIG_SYS_NAND_BASE_LIST	{ CONFIG_SYS_NAND_BASE }
214 #define CONFIG_SYS_MAX_NAND_DEVICE	1
215 #define CONFIG_MTD_NAND_VERIFY_WRITE
216 #define CONFIG_CMD_NAND
217 #define CONFIG_SYS_NAND_BLOCK_SIZE	(128 * 1024)
218 
219 #define CONFIG_SYS_NAND_DDR_LAW		11
220 
221 /* Set up IFC registers for boot location NAND */
222 #define CONFIG_SYS_CSPR0		CONFIG_SYS_NAND_CSPR
223 #define CONFIG_SYS_AMASK0		CONFIG_SYS_NAND_AMASK
224 #define CONFIG_SYS_CSOR0		CONFIG_SYS_NAND_CSOR
225 #define CONFIG_SYS_CS0_FTIM0		CONFIG_SYS_NAND_FTIM0
226 #define CONFIG_SYS_CS0_FTIM1		CONFIG_SYS_NAND_FTIM1
227 #define CONFIG_SYS_CS0_FTIM2		CONFIG_SYS_NAND_FTIM2
228 #define CONFIG_SYS_CS0_FTIM3		CONFIG_SYS_NAND_FTIM3
229 
230 #define CONFIG_BOARD_EARLY_INIT_F	/* Call board_pre_init */
231 
232 #define CONFIG_SYS_INIT_RAM_LOCK
233 #define CONFIG_SYS_INIT_RAM_ADDR	0xffd00000	/* stack in RAM */
234 #define CONFIG_SYS_INIT_RAM_END		0x00004000/* End of used area in RAM */
235 
236 #define CONFIG_SYS_GBL_DATA_OFFSET	(CONFIG_SYS_INIT_RAM_END \
237 						- GENERATED_GBL_DATA_SIZE)
238 #define CONFIG_SYS_INIT_SP_OFFSET	CONFIG_SYS_GBL_DATA_OFFSET
239 
240 #define CONFIG_SYS_MONITOR_LEN		(256 * 1024) /* Reserve 256 kB for Mon*/
241 #define CONFIG_SYS_MALLOC_LEN		(1024 * 1024)	/* Reserved for malloc*/
242 
243 /* Serial Port */
244 #define CONFIG_CONS_INDEX	1
245 #undef	CONFIG_SERIAL_SOFTWARE_FIFO
246 #define CONFIG_SYS_NS16550
247 #define CONFIG_SYS_NS16550_SERIAL
248 #define CONFIG_SYS_NS16550_REG_SIZE	1
249 #define CONFIG_SYS_NS16550_CLK		get_bus_freq(0)
250 #ifdef CONFIG_SPL_BUILD
251 #define CONFIG_NS16550_MIN_FUNCTIONS
252 #endif
253 
254 #define CONFIG_SYS_CONSOLE_IS_IN_ENV	/* determine from environment */
255 
256 #define CONFIG_SYS_BAUDRATE_TABLE	\
257 	{300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200}
258 
259 #define CONFIG_SYS_NS16550_COM1	(CONFIG_SYS_CCSRBAR+0x4500)
260 
261 /* Use the HUSH parser */
262 #define CONFIG_SYS_HUSH_PARSER
263 #ifdef	CONFIG_SYS_HUSH_PARSER
264 #define CONFIG_SYS_PROMPT_HUSH_PS2 "> "
265 #endif
266 
267 /*
268  * Pass open firmware flat tree
269  */
270 #define CONFIG_OF_LIBFDT
271 #define CONFIG_OF_BOARD_SETUP
272 #define CONFIG_OF_STDOUT_VIA_ALIAS
273 
274 /* new uImage format support */
275 #define CONFIG_FIT
276 #define CONFIG_FIT_VERBOSE	/* enable fit_format_{error,warning}() */
277 
278 #define CONFIG_FSL_I2C			/* Use FSL common I2C driver */
279 #define CONFIG_HARD_I2C			/* I2C with hardware support */
280 #undef CONFIG_SOFT_I2C			/* I2C bit-banged */
281 #define CONFIG_I2C_MULTI_BUS
282 #define CONFIG_I2C_CMD_TREE
283 #define CONFIG_SYS_I2C_SPEED		400000 /* I2C speed and slave address*/
284 #define CONFIG_SYS_I2C_OFFSET		0x3000
285 
286 /* I2C EEPROM */
287 #define CONFIG_CMD_EEPROM
288 #define CONFIG_SYS_I2C_MULTI_EEPROMS
289 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 1
290 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 3
291 #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 5
292 
293 #define CONFIG_CMD_I2C
294 
295 
296 #define CONFIG_FSL_ESPI
297 /* eSPI - Enhanced SPI */
298 #ifdef CONFIG_FSL_ESPI
299 #define CONFIG_SPI_FLASH
300 #define CONFIG_SPI_FLASH_SPANSION
301 #define CONFIG_CMD_SF
302 #define CONFIG_SF_DEFAULT_SPEED		10000000
303 #define CONFIG_SF_DEFAULT_MODE		SPI_MODE_0
304 #endif
305 
306 #if defined(CONFIG_TSEC_ENET)
307 
308 #define CONFIG_MII			/* MII PHY management */
309 #define CONFIG_MII_DEFAULT_TSEC	1	/* Allow unregistered phys */
310 #define CONFIG_TSEC1	1
311 #define CONFIG_TSEC1_NAME	"eTSEC1"
312 #define CONFIG_TSEC2	1
313 #define CONFIG_TSEC2_NAME	"eTSEC2"
314 
315 #define TSEC1_PHY_ADDR		0
316 #define TSEC2_PHY_ADDR		3
317 
318 #define TSEC1_FLAGS		(TSEC_GIGABIT | TSEC_REDUCED)
319 #define TSEC2_FLAGS		(TSEC_GIGABIT | TSEC_REDUCED)
320 
321 #define TSEC1_PHYIDX		0
322 
323 #define TSEC2_PHYIDX		0
324 
325 #define CONFIG_ETHPRIME		"eTSEC1"
326 
327 #define CONFIG_PHY_GIGE		/* Include GbE speed/duplex detection */
328 
329 #endif	/* CONFIG_TSEC_ENET */
330 
331 /*
332  * Environment
333  */
334 #if defined(CONFIG_RAMBOOT_SPIFLASH)
335 #define CONFIG_ENV_IS_IN_SPI_FLASH
336 #define CONFIG_ENV_SPI_BUS	0
337 #define CONFIG_ENV_SPI_CS	0
338 #define CONFIG_ENV_SPI_MAX_HZ	10000000
339 #define CONFIG_ENV_SPI_MODE	0
340 #define CONFIG_ENV_OFFSET	0x100000	/* 1MB */
341 #define CONFIG_ENV_SECT_SIZE	0x10000
342 #define CONFIG_ENV_SIZE		0x2000
343 #elif defined(CONFIG_NAND)
344 #define CONFIG_ENV_IS_IN_NAND
345 #define CONFIG_SYS_EXTRA_ENV_RELOC
346 #define CONFIG_ENV_SIZE		CONFIG_SYS_NAND_BLOCK_SIZE
347 #define CONFIG_ENV_OFFSET	((512 * 1024) + CONFIG_SYS_NAND_BLOCK_SIZE)
348 #define CONFIG_ENV_RANGE	(3 * CONFIG_ENV_SIZE)
349 #elif defined(CONFIG_SYS_RAMBOOT)
350 #define CONFIG_ENV_IS_NOWHERE	/* Store ENV in memory only */
351 #define CONFIG_ENV_ADDR		(CONFIG_SYS_MONITOR_BASE - 0x1000)
352 #define CONFIG_ENV_SIZE		0x2000
353 #endif
354 
355 #define CONFIG_LOADS_ECHO		/* echo on for serial download */
356 #define CONFIG_SYS_LOADS_BAUD_CHANGE		/* allow baudrate change */
357 
358 /*
359  * Command line configuration.
360  */
361 #include <config_cmd_default.h>
362 
363 #define CONFIG_CMD_DHCP
364 #define CONFIG_CMD_ERRATA
365 #define CONFIG_CMD_ELF
366 #define CONFIG_CMD_EXT2
367 #define CONFIG_CMD_FAT
368 #define CONFIG_CMD_IRQ
369 #define CONFIG_CMD_MII
370 #define CONFIG_DOS_PARTITION
371 #define CONFIG_CMD_PING
372 #define CONFIG_CMD_REGINFO
373 #define CONFIG_CMD_SETEXPR
374 
375 /*
376  * Miscellaneous configurable options
377  */
378 #define CONFIG_SYS_LONGHELP			/* undef to save memory	*/
379 #define CONFIG_CMDLINE_EDITING			/* Command-line editing */
380 #define CONFIG_AUTO_COMPLETE			/* add autocompletion support */
381 #define CONFIG_SYS_LOAD_ADDR	0x2000000	/* default load address */
382 #define CONFIG_SYS_PROMPT	"=> "		/* Monitor Command Prompt */
383 
384 #if defined(CONFIG_CMD_KGDB)
385 #define CONFIG_SYS_CBSIZE	1024		/* Console I/O Buffer Size */
386 #else
387 #define CONFIG_SYS_CBSIZE	1024		/* Console I/O Buffer Size */
388 #endif
389 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16)
390 						/* Print Buffer Size */
391 #define CONFIG_SYS_MAXARGS	16		/* max number of command args */
392 #define CONFIG_SYS_BARGSIZE	CONFIG_SYS_CBSIZE/* Boot Argument Buffer Size */
393 #define CONFIG_SYS_HZ		1000	/* decrementer freq: 1ms ticks */
394 
395 /*
396  * For booting Linux, the board info and command line data
397  * have to be in the first 64 MB of memory, since this is
398  * the maximum mapped by the Linux kernel during initialization.
399  */
400 #define CONFIG_SYS_BOOTMAPSZ	(64 << 20) /* Initial Memory map for Linux */
401 #define CONFIG_SYS_BOOTM_LEN	(64 << 20) /* Increase max gunzip size */
402 
403 #if defined(CONFIG_CMD_KGDB)
404 #define CONFIG_KGDB_BAUDRATE	230400	/* speed to run kgdb serial port */
405 #define CONFIG_KGDB_SER_INDEX	2	/* which serial port to use */
406 #endif
407 
408 #define CONFIG_USB_EHCI
409 
410 #ifdef CONFIG_USB_EHCI
411 #define CONFIG_CMD_USB
412 #define CONFIG_EHCI_HCD_INIT_AFTER_RESET
413 #define CONFIG_USB_EHCI_FSL
414 #define CONFIG_USB_STORAGE
415 #define CONFIG_HAS_FSL_DR_USB
416 #endif
417 
418 /*
419  * Environment Configuration
420  */
421 
422 #if defined(CONFIG_TSEC_ENET)
423 #define CONFIG_HAS_ETH0
424 #endif
425 
426 #define CONFIG_HOSTNAME		BSC9131rdb
427 #define CONFIG_ROOTPATH		"/opt/nfsroot"
428 #define CONFIG_BOOTFILE		"uImage"
429 #define CONFIG_UBOOTPATH	"u-boot.bin" /* U-Boot image on TFTP server */
430 
431 #define CONFIG_BAUDRATE		115200
432 
433 #define	CONFIG_EXTRA_ENV_SETTINGS				\
434 	"netdev=eth0\0"						\
435 	"uboot=" CONFIG_UBOOTPATH "\0"				\
436 	"loadaddr=1000000\0"			\
437 	"bootfile=uImage\0"	\
438 	"consoledev=ttyS0\0"				\
439 	"ramdiskaddr=2000000\0"			\
440 	"ramdiskfile=rootfs.ext2.gz.uboot\0"		\
441 	"fdtaddr=c00000\0"				\
442 	"fdtfile=bsc9131rdb.dtb\0"		\
443 	"bdev=sda1\0"	\
444 	"hwconfig=usb1:dr_mode=host,phy_type=ulpi\0"	\
445 	"bootm_size=0x37000000\0"	\
446 	"othbootargs=ramdisk_size=600000 " \
447 	"default_hugepagesz=256m hugepagesz=256m hugepages=1\0" \
448 	"usbext2boot=setenv bootargs root=/dev/ram rw "	\
449 	"console=$consoledev,$baudrate $othbootargs; "	\
450 	"usb start;"			\
451 	"ext2load usb 0:4 $loadaddr $bootfile;"		\
452 	"ext2load usb 0:4 $fdtaddr $fdtfile;"	\
453 	"ext2load usb 0:4 $ramdiskaddr $ramdiskfile;"	\
454 	"bootm $loadaddr $ramdiskaddr $fdtaddr\0"	\
455 
456 #define CONFIG_RAMBOOTCOMMAND		\
457 	"setenv bootargs root=/dev/ram rw "	\
458 	"console=$consoledev,$baudrate $othbootargs; "	\
459 	"tftp $ramdiskaddr $ramdiskfile;"	\
460 	"tftp $loadaddr $bootfile;"		\
461 	"tftp $fdtaddr $fdtfile;"		\
462 	"bootm $loadaddr $ramdiskaddr $fdtaddr"
463 
464 #define CONFIG_BOOTCOMMAND CONFIG_RAMBOOTCOMMAND
465 
466 #endif	/* __CONFIG_H */
467