xref: /openbmc/u-boot/include/configs/sbc8548.h (revision ccf7988b)
1 /*
2  * Copyright 2007,2009 Wind River Systems <www.windriver.com>
3  * Copyright 2007 Embedded Specialties, Inc.
4  * Copyright 2004, 2007 Freescale Semiconductor.
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  * sbc8548 board configuration file
27  * Please refer to doc/README.sbc8548 for more info.
28  */
29 #ifndef __CONFIG_H
30 #define __CONFIG_H
31 
32 /*
33  * Top level Makefile configuration choices
34  */
35 #ifdef CONFIG_PCI
36 #define CONFIG_PCI1
37 #endif
38 
39 #ifdef CONFIG_66
40 #define CONFIG_SYS_CLK_DIV 1
41 #endif
42 
43 #ifdef CONFIG_33
44 #define CONFIG_SYS_CLK_DIV 2
45 #endif
46 
47 #ifdef CONFIG_PCIE
48 #define CONFIG_PCIE1
49 #endif
50 
51 /*
52  * High Level Configuration Options
53  */
54 #define CONFIG_BOOKE		1	/* BOOKE */
55 #define CONFIG_E500		1	/* BOOKE e500 family */
56 #define CONFIG_MPC85xx		1	/* MPC8540/60/55/41/48 */
57 #define CONFIG_MPC8548		1	/* MPC8548 specific */
58 #define CONFIG_SBC8548		1	/* SBC8548 board specific */
59 
60 #ifndef CONFIG_SYS_TEXT_BASE
61 #define CONFIG_SYS_TEXT_BASE	0xfffa0000
62 #endif
63 
64 #undef CONFIG_RIO
65 
66 #ifdef CONFIG_PCI
67 #define CONFIG_FSL_PCI_INIT		/* Use common FSL init code */
68 #define CONFIG_SYS_PCI_64BIT    1	/* enable 64-bit PCI resources */
69 #endif
70 #ifdef CONFIG_PCIE1
71 #define CONFIG_FSL_PCIE_RESET   1	/* need PCIe reset errata */
72 #endif
73 
74 #define CONFIG_TSEC_ENET		/* tsec ethernet support */
75 #define CONFIG_ENV_OVERWRITE
76 
77 #define CONFIG_INTERRUPTS		/* enable pci, srio, ddr interrupts */
78 
79 #define CONFIG_FSL_LAW		1	/* Use common FSL init code */
80 
81 /*
82  * Below assumes that CCB:SYSCLK remains unchanged at 6:1 via SW2:[1-4]
83  */
84 #ifndef CONFIG_SYS_CLK_DIV
85 #define CONFIG_SYS_CLK_DIV	1	/* 2, if 33MHz PCI card installed */
86 #endif
87 #define CONFIG_SYS_CLK_FREQ	(66000000 / CONFIG_SYS_CLK_DIV)
88 
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			/* toggle branch predition */
94 
95 /*
96  * Only possible on E500 Version 2 or newer cores.
97  */
98 #define CONFIG_ENABLE_36BIT_PHYS	1
99 
100 #define CONFIG_BOARD_EARLY_INIT_F	1	/* Call board_pre_init */
101 
102 #undef	CONFIG_SYS_DRAM_TEST			/* memory test, takes time */
103 #define CONFIG_SYS_MEMTEST_START	0x00200000	/* memtest works on */
104 #define CONFIG_SYS_MEMTEST_END		0x00400000
105 
106 #define CONFIG_SYS_CCSRBAR		0xe0000000
107 #define CONFIG_SYS_CCSRBAR_PHYS_LOW	CONFIG_SYS_CCSRBAR
108 
109 /* DDR Setup */
110 #define CONFIG_FSL_DDR2
111 #undef CONFIG_FSL_DDR_INTERACTIVE
112 #undef CONFIG_SPD_EEPROM		/* Use SPD EEPROM for DDR setup */
113 #undef CONFIG_DDR_SPD
114 #undef CONFIG_DDR_ECC			/* only for ECC DDR module */
115 
116 #define CONFIG_ECC_INIT_VIA_DDRCONTROLLER	/* DDR controller or DMA? */
117 #define CONFIG_MEM_INIT_VALUE	0xDeadBeef
118 
119 #define CONFIG_SYS_DDR_SDRAM_BASE	0x00000000
120 #define CONFIG_SYS_SDRAM_BASE		CONFIG_SYS_DDR_SDRAM_BASE
121 #define CONFIG_VERY_BIG_RAM
122 
123 #define CONFIG_NUM_DDR_CONTROLLERS	1
124 #define CONFIG_DIMM_SLOTS_PER_CTLR	1
125 #define CONFIG_CHIP_SELECTS_PER_CTRL	2
126 
127 /* I2C addresses of SPD EEPROMs */
128 #define SPD_EEPROM_ADDRESS	0x51	/* CTLR 0 DIMM 0 */
129 
130 /*
131  * Make sure required options are set
132  */
133 #ifndef CONFIG_SPD_EEPROM
134 	#define CONFIG_SYS_SDRAM_SIZE	256		/* DDR is 256MB */
135 #endif
136 
137 #undef CONFIG_CLOCKS_IN_MHZ
138 
139 /*
140  * FLASH on the Local Bus
141  * Two banks, one 8MB the other 64MB, using the CFI driver.
142  * Boot from BR0/OR0 bank at 0xff80_0000
143  * Alternate BR6/OR6 bank at 0xfb80_0000
144  *
145  * BR0:
146  *    Base address 0 = 0xff80_0000 = BR0[0:16] = 1111 1111 1000 0000 0
147  *    Port Size = 8 bits = BRx[19:20] = 01
148  *    Use GPCM = BRx[24:26] = 000
149  *    Valid = BRx[31] = 1
150  *
151  * 0    4    8    12   16   20   24   28
152  * 1111 1111 1000 0000 0000 1000 0000 0001 = ff800801    BR0
153  *
154  * BR6:
155  *    Base address 6 = 0xfb80_0000 = BR6[0:16] = 1111 1011 1000 0000 0
156  *    Port Size = 32 bits = BRx[19:20] = 11
157  *    Use GPCM = BRx[24:26] = 000
158  *    Valid = BRx[31] = 1
159  *
160  * 0    4    8    12   16   20   24   28
161  * 1111 1011 1000 0000 0001 1000 0000 0001 = fb801801    BR6
162  *
163  * OR0:
164  *    Addr Mask = 8M = OR1[0:16] = 1111 1111 1000 0000 0
165  *    XAM = OR0[17:18] = 11
166  *    CSNT = OR0[20] = 1
167  *    ACS = half cycle delay = OR0[21:22] = 11
168  *    SCY = 6 = OR0[24:27] = 0110
169  *    TRLX = use relaxed timing = OR0[29] = 1
170  *    EAD = use external address latch delay = OR0[31] = 1
171  *
172  * 0    4    8    12   16   20   24   28
173  * 1111 1111 1000 0000 0110 1110 0110 0101 = ff806e65    OR0
174  *
175  * OR6:
176  *    Addr Mask = 64M = OR6[0:16] = 1111 1000 0000 0000 0
177  *    XAM = OR6[17:18] = 11
178  *    CSNT = OR6[20] = 1
179  *    ACS = half cycle delay = OR6[21:22] = 11
180  *    SCY = 6 = OR6[24:27] = 0110
181  *    TRLX = use relaxed timing = OR6[29] = 1
182  *    EAD = use external address latch delay = OR6[31] = 1
183  *
184  * 0    4    8    12   16   20   24   28
185  * 1111 1000 0000 0000 0110 1110 0110 0101 = f8006e65    OR6
186  */
187 
188 #define CONFIG_SYS_BOOT_BLOCK		0xff800000	/* start of 8MB Flash */
189 #define CONFIG_SYS_ALT_FLASH		0xfb800000	/* 64MB "user" flash */
190 #define CONFIG_SYS_FLASH_BASE		CONFIG_SYS_BOOT_BLOCK	/* start of FLASH 16M */
191 
192 #define CONFIG_SYS_BR0_PRELIM		0xff800801
193 #define CONFIG_SYS_BR6_PRELIM		0xfb801801
194 
195 #define	CONFIG_SYS_OR0_PRELIM		0xff806e65
196 #define	CONFIG_SYS_OR6_PRELIM		0xf8006e65
197 
198 #define CONFIG_SYS_FLASH_BANKS_LIST	{CONFIG_SYS_FLASH_BASE, \
199 					 CONFIG_SYS_ALT_FLASH}
200 #define CONFIG_SYS_MAX_FLASH_BANKS	2		/* number of banks */
201 #define CONFIG_SYS_MAX_FLASH_SECT	256		/* sectors per device */
202 #undef	CONFIG_SYS_FLASH_CHECKSUM
203 #define CONFIG_SYS_FLASH_ERASE_TOUT	60000	/* Flash Erase Timeout (ms) */
204 #define CONFIG_SYS_FLASH_WRITE_TOUT	500	/* Flash Write Timeout (ms) */
205 
206 #define CONFIG_SYS_MONITOR_BASE	CONFIG_SYS_TEXT_BASE	/* start of monitor */
207 
208 #define CONFIG_FLASH_CFI_DRIVER
209 #define CONFIG_SYS_FLASH_CFI
210 #define CONFIG_SYS_FLASH_EMPTY_INFO
211 
212 /* CS5 = Local bus peripherals controlled by the EPLD */
213 
214 #define CONFIG_SYS_BR5_PRELIM		0xf8000801
215 #define CONFIG_SYS_OR5_PRELIM		0xff006e65
216 #define CONFIG_SYS_EPLD_BASE		0xf8000000
217 #define CONFIG_SYS_LED_DISP_BASE	0xf8000000
218 #define CONFIG_SYS_USER_SWITCHES_BASE	0xf8100000
219 #define CONFIG_SYS_BD_REV		0xf8300000
220 #define CONFIG_SYS_EEPROM_BASE		0xf8b00000
221 
222 /*
223  * SDRAM on the Local Bus (CS3 and CS4)
224  */
225 #define CONFIG_SYS_LBC_SDRAM_BASE	0xf0000000	/* Localbus SDRAM */
226 #define CONFIG_SYS_LBC_SDRAM_SIZE	128		/* LBC SDRAM is 128MB */
227 
228 /*
229  * Base Register 3 and Option Register 3 configure the 1st 1/2 SDRAM.
230  * The SDRAM base address, CONFIG_SYS_LBC_SDRAM_BASE, is 0xf0000000.
231  *
232  * For BR3, need:
233  *    Base address of 0xf0000000 = BR[0:16] = 1111 0000 0000 0000 0
234  *    port-size = 32-bits = BR2[19:20] = 11
235  *    no parity checking = BR2[21:22] = 00
236  *    SDRAM for MSEL = BR2[24:26] = 011
237  *    Valid = BR[31] = 1
238  *
239  * 0    4    8    12   16   20   24   28
240  * 1111 0000 0000 0000 0001 1000 0110 0001 = f0001861
241  *
242  */
243 
244 #define CONFIG_SYS_BR3_PRELIM		0xf0001861
245 
246 /*
247  * The SDRAM size in MB, of 1/2 CONFIG_SYS_LBC_SDRAM_SIZE, is 64.
248  *
249  * For OR3, need:
250  *    64MB mask for AM, OR3[0:7] = 1111 1100
251  *		   XAM, OR3[17:18] = 11
252  *    10 columns OR3[19-21] = 011
253  *    12 rows   OR3[23-25] = 011
254  *    EAD set for extra time OR[31] = 0
255  *
256  * 0    4    8    12   16   20   24   28
257  * 1111 1100 0000 0000 0110 1100 1100 0000 = fc006cc0
258  */
259 
260 #define CONFIG_SYS_OR3_PRELIM		0xfc006cc0
261 
262 /*
263  * Base Register 4 and Option Register 4 configure the 2nd 1/2 SDRAM.
264  * The base address, (SDRAM_BASE + 1/2*SIZE), is 0xf4000000.
265  *
266  * For BR4, need:
267  *    Base address of 0xf4000000 = BR[0:16] = 1111 0100 0000 0000 0
268  *    port-size = 32-bits = BR2[19:20] = 11
269  *    no parity checking = BR2[21:22] = 00
270  *    SDRAM for MSEL = BR2[24:26] = 011
271  *    Valid = BR[31] = 1
272  *
273  * 0    4    8    12   16   20   24   28
274  * 1111 0000 0000 0000 0001 1000 0110 0001 = f4001861
275  *
276  */
277 
278 #define CONFIG_SYS_BR4_PRELIM		0xf4001861
279 
280 /*
281  * The SDRAM size in MB, of 1/2 CONFIG_SYS_LBC_SDRAM_SIZE, is 64.
282  *
283  * For OR4, need:
284  *    64MB mask for AM, OR3[0:7] = 1111 1100
285  *		   XAM, OR3[17:18] = 11
286  *    10 columns OR3[19-21] = 011
287  *    12 rows   OR3[23-25] = 011
288  *    EAD set for extra time OR[31] = 0
289  *
290  * 0    4    8    12   16   20   24   28
291  * 1111 1100 0000 0000 0110 1100 1100 0000 = fc006cc0
292  */
293 
294 #define CONFIG_SYS_OR4_PRELIM		0xfc006cc0
295 
296 #define CONFIG_SYS_LBC_LCRR		0x00000002    /* LB clock ratio reg */
297 #define CONFIG_SYS_LBC_LBCR		0x00000000    /* LB config reg */
298 #define CONFIG_SYS_LBC_LSRT		0x20000000  /* LB sdram refresh timer */
299 #define CONFIG_SYS_LBC_MRTPR		0x00000000  /* LB refresh timer prescal*/
300 
301 /*
302  * Common settings for all Local Bus SDRAM commands.
303  * At run time, either BSMA1516 (for CPU 1.1)
304  *                  or BSMA1617 (for CPU 1.0) (old)
305  * is OR'ed in too.
306  */
307 #define CONFIG_SYS_LBC_LSDMR_COMMON	( LSDMR_RFCR16		\
308 				| LSDMR_PRETOACT7	\
309 				| LSDMR_ACTTORW7	\
310 				| LSDMR_BL8		\
311 				| LSDMR_WRC4		\
312 				| LSDMR_CL3		\
313 				| LSDMR_RFEN		\
314 				)
315 
316 #define CONFIG_SYS_INIT_RAM_LOCK	1
317 #define CONFIG_SYS_INIT_RAM_ADDR	0xe4010000	/* Initial RAM address */
318 #define CONFIG_SYS_INIT_RAM_SIZE	0x4000		/* Size of used area in RAM */
319 
320 #define CONFIG_SYS_INIT_L2_ADDR	0xf8f80000	/* relocate boot L2SRAM */
321 
322 #define CONFIG_SYS_GBL_DATA_OFFSET	(CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
323 #define CONFIG_SYS_INIT_SP_OFFSET	CONFIG_SYS_GBL_DATA_OFFSET
324 
325 /*
326  * For soldered on flash, (128kB/sector) we use 2 sectors for u-boot and
327  * one for env+bootpg (CONFIG_SYS_TEXT_BASE=0xfffa_0000, 384kB total).  For SODIMM
328  * flash (512kB/sector) we use 1 sector for u-boot, and one for env+bootpg
329  * (CONFIG_SYS_TEXT_BASE=0xfff0_0000, 1MB total).  This dynamically sets the right
330  * thing for MONITOR_LEN in both cases.
331  */
332 #define CONFIG_SYS_MONITOR_LEN		(~CONFIG_SYS_TEXT_BASE + 1)
333 #define CONFIG_SYS_MALLOC_LEN		(128 * 1024)	/* Reserved for malloc */
334 
335 /* Serial Port */
336 #define CONFIG_CONS_INDEX	1
337 #define CONFIG_SYS_NS16550
338 #define CONFIG_SYS_NS16550_SERIAL
339 #define CONFIG_SYS_NS16550_REG_SIZE	1
340 #define CONFIG_SYS_NS16550_CLK		(400000000 / CONFIG_SYS_CLK_DIV)
341 
342 #define CONFIG_SYS_BAUDRATE_TABLE \
343 	{300, 600, 1200, 2400, 4800, 9600, 19200, 38400,115200}
344 
345 #define CONFIG_SYS_NS16550_COM1	(CONFIG_SYS_CCSRBAR+0x4500)
346 #define CONFIG_SYS_NS16550_COM2	(CONFIG_SYS_CCSRBAR+0x4600)
347 
348 /* Use the HUSH parser */
349 #define CONFIG_SYS_HUSH_PARSER
350 #ifdef	CONFIG_SYS_HUSH_PARSER
351 #define CONFIG_SYS_PROMPT_HUSH_PS2 "> "
352 #endif
353 
354 /* pass open firmware flat tree */
355 #define CONFIG_OF_LIBFDT		1
356 #define CONFIG_OF_BOARD_SETUP		1
357 #define CONFIG_OF_STDOUT_VIA_ALIAS	1
358 
359 /*
360  * I2C
361  */
362 #define CONFIG_FSL_I2C		/* Use FSL common I2C driver */
363 #define CONFIG_HARD_I2C		/* I2C with hardware support*/
364 #undef	CONFIG_SOFT_I2C		/* I2C bit-banged */
365 #define CONFIG_SYS_I2C_SPEED		400000	/* I2C speed and slave address */
366 #define CONFIG_SYS_I2C_EEPROM_ADDR	0x50
367 #define CONFIG_SYS_I2C_SLAVE		0x7F
368 #define CONFIG_SYS_I2C_OFFSET		0x3000
369 
370 /*
371  * General PCI
372  * Memory space is mapped 1-1, but I/O space must start from 0.
373  */
374 #define CONFIG_SYS_PCI_VIRT		0x80000000	/* 1G PCI TLB */
375 #define CONFIG_SYS_PCI_PHYS		0x80000000	/* 1G PCI TLB */
376 
377 #define CONFIG_SYS_PCI1_MEM_VIRT	0x80000000
378 #define CONFIG_SYS_PCI1_MEM_BUS		0x80000000
379 #define CONFIG_SYS_PCI1_MEM_PHYS	0x80000000
380 #define CONFIG_SYS_PCI1_MEM_SIZE	0x20000000	/* 512M */
381 #define CONFIG_SYS_PCI1_IO_VIRT		0xe2000000
382 #define CONFIG_SYS_PCI1_IO_BUS		0x00000000
383 #define CONFIG_SYS_PCI1_IO_PHYS		0xe2000000
384 #define CONFIG_SYS_PCI1_IO_SIZE		0x00800000	/* 8M */
385 
386 #ifdef CONFIG_PCIE1
387 #define CONFIG_SYS_PCIE1_MEM_VIRT	0xa0000000
388 #define CONFIG_SYS_PCIE1_MEM_BUS	0xa0000000
389 #define CONFIG_SYS_PCIE1_MEM_PHYS	0xa0000000
390 #define CONFIG_SYS_PCIE1_MEM_SIZE	0x20000000	/* 512M */
391 #define CONFIG_SYS_PCIE1_IO_VIRT	0xe2800000
392 #define CONFIG_SYS_PCIE1_IO_BUS		0x00000000
393 #define CONFIG_SYS_PCIE1_IO_PHYS	0xe2800000
394 #define CONFIG_SYS_PCIE1_IO_SIZE	0x00800000	/* 8M */
395 #endif
396 
397 #ifdef CONFIG_RIO
398 /*
399  * RapidIO MMU
400  */
401 #define CONFIG_SYS_RIO_MEM_BASE	0xC0000000
402 #define CONFIG_SYS_RIO_MEM_SIZE	0x20000000	/* 512M */
403 #endif
404 
405 #if defined(CONFIG_PCI)
406 
407 #define CONFIG_PCI_PNP			/* do pci plug-and-play */
408 
409 #undef CONFIG_EEPRO100
410 #undef CONFIG_TULIP
411 
412 #define CONFIG_PCI_SCAN_SHOW		/* show pci devices on startup */
413 
414 #endif	/* CONFIG_PCI */
415 
416 
417 #if defined(CONFIG_TSEC_ENET)
418 
419 #define CONFIG_MII		1	/* MII PHY management */
420 #define CONFIG_TSEC1	1
421 #define CONFIG_TSEC1_NAME	"eTSEC0"
422 #define CONFIG_TSEC2	1
423 #define CONFIG_TSEC2_NAME	"eTSEC1"
424 #undef CONFIG_MPC85XX_FEC
425 
426 #define TSEC1_PHY_ADDR		0x19
427 #define TSEC2_PHY_ADDR		0x1a
428 
429 #define TSEC1_PHYIDX		0
430 #define TSEC2_PHYIDX		0
431 
432 #define TSEC1_FLAGS		TSEC_GIGABIT
433 #define TSEC2_FLAGS		TSEC_GIGABIT
434 
435 /* Options are: eTSEC[0-3] */
436 #define CONFIG_ETHPRIME		"eTSEC0"
437 #define CONFIG_PHY_GIGE		1	/* Include GbE speed/duplex detection */
438 #endif	/* CONFIG_TSEC_ENET */
439 
440 /*
441  * Environment
442  */
443 #define CONFIG_ENV_IS_IN_FLASH	1
444 #define CONFIG_ENV_SIZE		0x2000
445 #if CONFIG_SYS_TEXT_BASE == 0xfff00000	/* Boot from 64MB SODIMM */
446 #define CONFIG_ENV_ADDR		(CONFIG_SYS_MONITOR_BASE + 0x80000)
447 #define CONFIG_ENV_SECT_SIZE	0x80000	/* 512K(one sector) for env */
448 #elif CONFIG_SYS_TEXT_BASE == 0xfffa0000	/* Boot from 8MB soldered flash */
449 #define CONFIG_ENV_ADDR		(CONFIG_SYS_MONITOR_BASE + 0x40000)
450 #define CONFIG_ENV_SECT_SIZE	0x20000	/* 128K(one sector) for env */
451 #else
452 #warning undefined environment size/location.
453 #endif
454 
455 #define CONFIG_LOADS_ECHO	1	/* echo on for serial download */
456 #define CONFIG_SYS_LOADS_BAUD_CHANGE	1	/* allow baudrate change */
457 
458 /*
459  * BOOTP options
460  */
461 #define CONFIG_BOOTP_BOOTFILESIZE
462 #define CONFIG_BOOTP_BOOTPATH
463 #define CONFIG_BOOTP_GATEWAY
464 #define CONFIG_BOOTP_HOSTNAME
465 
466 
467 /*
468  * Command line configuration.
469  */
470 #include <config_cmd_default.h>
471 
472 #define CONFIG_CMD_PING
473 #define CONFIG_CMD_I2C
474 #define CONFIG_CMD_MII
475 #define CONFIG_CMD_ELF
476 #define CONFIG_CMD_REGINFO
477 
478 #if defined(CONFIG_PCI)
479     #define CONFIG_CMD_PCI
480 #endif
481 
482 
483 #undef CONFIG_WATCHDOG			/* watchdog disabled */
484 
485 /*
486  * Miscellaneous configurable options
487  */
488 #define CONFIG_CMDLINE_EDITING			/* undef to save memory */
489 #define CONFIG_AUTO_COMPLETE			/* add autocompletion support */
490 #define CONFIG_SYS_LONGHELP			/* undef to save memory	*/
491 #define CONFIG_SYS_LOAD_ADDR	0x2000000	/* default load address */
492 #define CONFIG_SYS_PROMPT	"=> "		/* Monitor Command Prompt */
493 #if defined(CONFIG_CMD_KGDB)
494 #define CONFIG_SYS_CBSIZE	1024		/* Console I/O Buffer Size */
495 #else
496 #define CONFIG_SYS_CBSIZE	256		/* Console I/O Buffer Size */
497 #endif
498 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
499 #define CONFIG_SYS_MAXARGS	16		/* max number of command args */
500 #define CONFIG_SYS_BARGSIZE	CONFIG_SYS_CBSIZE	/* Boot Argument Buffer Size */
501 #define CONFIG_SYS_HZ		1000		/* decrementer freq: 1ms ticks */
502 
503 /*
504  * For booting Linux, the board info and command line data
505  * have to be in the first 8 MB of memory, since this is
506  * the maximum mapped by the Linux kernel during initialization.
507  */
508 #define CONFIG_SYS_BOOTMAPSZ	(8 << 20)	/* Initial Memory map for Linux*/
509 
510 #if defined(CONFIG_CMD_KGDB)
511 #define CONFIG_KGDB_BAUDRATE	230400	/* speed to run kgdb serial port */
512 #define CONFIG_KGDB_SER_INDEX	2	/* which serial port to use */
513 #endif
514 
515 /*
516  * Environment Configuration
517  */
518 
519 /* The mac addresses for all ethernet interface */
520 #if defined(CONFIG_TSEC_ENET)
521 #define CONFIG_HAS_ETH0
522 #define CONFIG_ETHADDR	 02:E0:0C:00:00:FD
523 #define CONFIG_HAS_ETH1
524 #define CONFIG_ETH1ADDR	 02:E0:0C:00:01:FD
525 #endif
526 
527 #define CONFIG_IPADDR	 192.168.0.55
528 
529 #define CONFIG_HOSTNAME	 sbc8548
530 #define CONFIG_ROOTPATH	 "/opt/eldk/ppc_85xx"
531 #define CONFIG_BOOTFILE	 "/uImage"
532 #define CONFIG_UBOOTPATH /u-boot.bin	/* TFTP server */
533 
534 #define CONFIG_SERVERIP	 192.168.0.2
535 #define CONFIG_GATEWAYIP 192.168.0.1
536 #define CONFIG_NETMASK	 255.255.255.0
537 
538 #define CONFIG_LOADADDR	1000000	/*default location for tftp and bootm*/
539 
540 #define CONFIG_BOOTDELAY 10	/* -1 disables auto-boot */
541 #undef	CONFIG_BOOTARGS		/* the boot command will set bootargs*/
542 
543 #define CONFIG_BAUDRATE	115200
544 
545 #define	CONFIG_EXTRA_ENV_SETTINGS				\
546  "netdev=eth0\0"						\
547  "uboot=" MK_STR(CONFIG_UBOOTPATH) "\0"				\
548  "tftpflash=tftpboot $loadaddr $uboot; "			\
549 	"protect off " MK_STR(CONFIG_SYS_TEXT_BASE) " +$filesize; "	\
550 	"erase " MK_STR(CONFIG_SYS_TEXT_BASE) " +$filesize; "		\
551 	"cp.b $loadaddr " MK_STR(CONFIG_SYS_TEXT_BASE) " $filesize; "	\
552 	"protect on " MK_STR(CONFIG_SYS_TEXT_BASE) " +$filesize; "		\
553 	"cmp.b $loadaddr " MK_STR(CONFIG_SYS_TEXT_BASE) " $filesize\0"	\
554  "consoledev=ttyS0\0"				\
555  "ramdiskaddr=2000000\0"			\
556  "ramdiskfile=uRamdisk\0"			\
557  "fdtaddr=c00000\0"				\
558  "fdtfile=sbc8548.dtb\0"
559 
560 #define CONFIG_NFSBOOTCOMMAND						\
561    "setenv bootargs root=/dev/nfs rw "					\
562       "nfsroot=$serverip:$rootpath "					\
563       "ip=$ipaddr:$serverip:$gatewayip:$netmask:$hostname:$netdev:off " \
564       "console=$consoledev,$baudrate $othbootargs;"			\
565    "tftp $loadaddr $bootfile;"						\
566    "tftp $fdtaddr $fdtfile;"						\
567    "bootm $loadaddr - $fdtaddr"
568 
569 
570 #define CONFIG_RAMBOOTCOMMAND \
571    "setenv bootargs root=/dev/ram rw "					\
572       "console=$consoledev,$baudrate $othbootargs;"			\
573    "tftp $ramdiskaddr $ramdiskfile;"					\
574    "tftp $loadaddr $bootfile;"						\
575    "tftp $fdtaddr $fdtfile;"						\
576    "bootm $loadaddr $ramdiskaddr $fdtaddr"
577 
578 #define CONFIG_BOOTCOMMAND	CONFIG_RAMBOOTCOMMAND
579 
580 #endif	/* __CONFIG_H */
581