xref: /openbmc/u-boot/include/configs/sbc8548.h (revision fc0db132)
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_MK_PCI
36 #define CONFIG_PCI
37 #define CONFIG_PCI1
38 #endif
39 
40 #ifdef CONFIG_MK_66
41 #define CONFIG_SYS_CLK_DIV 1
42 #endif
43 
44 #ifdef CONFIG_MK_33
45 #define CONFIG_SYS_CLK_DIV 2
46 #endif
47 
48 #ifdef CONFIG_MK_PCIE
49 #define CONFIG_PCIE1
50 #endif
51 
52 /*
53  * High Level Configuration Options
54  */
55 #define CONFIG_BOOKE		1	/* BOOKE */
56 #define CONFIG_E500		1	/* BOOKE e500 family */
57 #define CONFIG_MPC85xx		1	/* MPC8540/60/55/41/48 */
58 #define CONFIG_MPC8548		1	/* MPC8548 specific */
59 #define CONFIG_SBC8548		1	/* SBC8548 board specific */
60 
61 #undef CONFIG_RIO
62 
63 #ifdef CONFIG_PCI
64 #define CONFIG_FSL_PCI_INIT		/* Use common FSL init code */
65 #define CONFIG_SYS_PCI_64BIT    1	/* enable 64-bit PCI resources */
66 #endif
67 #ifdef CONFIG_PCIE1
68 #define CONFIG_FSL_PCIE_RESET   1	/* need PCIe reset errata */
69 #endif
70 
71 #define CONFIG_TSEC_ENET		/* tsec ethernet support */
72 #define CONFIG_ENV_OVERWRITE
73 
74 #define CONFIG_INTERRUPTS		/* enable pci, srio, ddr interrupts */
75 
76 #define CONFIG_FSL_LAW		1	/* Use common FSL init code */
77 
78 /*
79  * Below assumes that CCB:SYSCLK remains unchanged at 6:1 via SW2:[1-4]
80  */
81 #ifndef CONFIG_SYS_CLK_DIV
82 #define CONFIG_SYS_CLK_DIV	1	/* 2, if 33MHz PCI card installed */
83 #endif
84 #define CONFIG_SYS_CLK_FREQ	(66000000 / CONFIG_SYS_CLK_DIV)
85 
86 /*
87  * These can be toggled for performance analysis, otherwise use default.
88  */
89 #define CONFIG_L2_CACHE			/* toggle L2 cache */
90 #define CONFIG_BTB			/* toggle branch predition */
91 
92 /*
93  * Only possible on E500 Version 2 or newer cores.
94  */
95 #define CONFIG_ENABLE_36BIT_PHYS	1
96 
97 #define CONFIG_BOARD_EARLY_INIT_F	1	/* Call board_pre_init */
98 
99 #undef	CONFIG_SYS_DRAM_TEST			/* memory test, takes time */
100 #define CONFIG_SYS_MEMTEST_START	0x00200000	/* memtest works on */
101 #define CONFIG_SYS_MEMTEST_END		0x00400000
102 
103 /*
104  * Base addresses -- Note these are effective addresses where the
105  * actual resources get mapped (not physical addresses)
106  */
107 #define CONFIG_SYS_CCSRBAR_DEFAULT	0xff700000	/* CCSRBAR Default */
108 #define CONFIG_SYS_CCSRBAR		0xe0000000	/* relocated CCSRBAR */
109 #define CONFIG_SYS_CCSRBAR_PHYS	CONFIG_SYS_CCSRBAR	/* physical addr of CCSRBAR */
110 #define CONFIG_SYS_IMMR		CONFIG_SYS_CCSRBAR	/* PQII uses CONFIG_SYS_IMMR */
111 
112 /* DDR Setup */
113 #define CONFIG_FSL_DDR2
114 #undef CONFIG_FSL_DDR_INTERACTIVE
115 #undef CONFIG_SPD_EEPROM		/* Use SPD EEPROM for DDR setup */
116 #undef CONFIG_DDR_SPD
117 #undef CONFIG_DDR_ECC			/* only for ECC DDR module */
118 
119 #define CONFIG_ECC_INIT_VIA_DDRCONTROLLER	/* DDR controller or DMA? */
120 #define CONFIG_MEM_INIT_VALUE	0xDeadBeef
121 
122 #define CONFIG_SYS_DDR_SDRAM_BASE	0x00000000
123 #define CONFIG_SYS_SDRAM_BASE		CONFIG_SYS_DDR_SDRAM_BASE
124 #define CONFIG_VERY_BIG_RAM
125 
126 #define CONFIG_NUM_DDR_CONTROLLERS	1
127 #define CONFIG_DIMM_SLOTS_PER_CTLR	1
128 #define CONFIG_CHIP_SELECTS_PER_CTRL	2
129 
130 /* I2C addresses of SPD EEPROMs */
131 #define SPD_EEPROM_ADDRESS	0x51	/* CTLR 0 DIMM 0 */
132 
133 /*
134  * Make sure required options are set
135  */
136 #ifndef CONFIG_SPD_EEPROM
137 	#define CONFIG_SYS_SDRAM_SIZE	256		/* DDR is 256MB */
138 #endif
139 
140 #undef CONFIG_CLOCKS_IN_MHZ
141 
142 /*
143  * FLASH on the Local Bus
144  * Two banks, one 8MB the other 64MB, using the CFI driver.
145  * Boot from BR0/OR0 bank at 0xff80_0000
146  * Alternate BR6/OR6 bank at 0xfb80_0000
147  *
148  * BR0:
149  *    Base address 0 = 0xff80_0000 = BR0[0:16] = 1111 1111 1000 0000 0
150  *    Port Size = 8 bits = BRx[19:20] = 01
151  *    Use GPCM = BRx[24:26] = 000
152  *    Valid = BRx[31] = 1
153  *
154  * 0    4    8    12   16   20   24   28
155  * 1111 1111 1000 0000 0000 1000 0000 0001 = ff800801    BR0
156  *
157  * BR6:
158  *    Base address 6 = 0xfb80_0000 = BR6[0:16] = 1111 1011 1000 0000 0
159  *    Port Size = 32 bits = BRx[19:20] = 11
160  *    Use GPCM = BRx[24:26] = 000
161  *    Valid = BRx[31] = 1
162  *
163  * 0    4    8    12   16   20   24   28
164  * 1111 1011 1000 0000 0001 1000 0000 0001 = fb801801    BR6
165  *
166  * OR0:
167  *    Addr Mask = 8M = OR1[0:16] = 1111 1111 1000 0000 0
168  *    XAM = OR0[17:18] = 11
169  *    CSNT = OR0[20] = 1
170  *    ACS = half cycle delay = OR0[21:22] = 11
171  *    SCY = 6 = OR0[24:27] = 0110
172  *    TRLX = use relaxed timing = OR0[29] = 1
173  *    EAD = use external address latch delay = OR0[31] = 1
174  *
175  * 0    4    8    12   16   20   24   28
176  * 1111 1111 1000 0000 0110 1110 0110 0101 = ff806e65    OR0
177  *
178  * OR6:
179  *    Addr Mask = 64M = OR6[0:16] = 1111 1000 0000 0000 0
180  *    XAM = OR6[17:18] = 11
181  *    CSNT = OR6[20] = 1
182  *    ACS = half cycle delay = OR6[21:22] = 11
183  *    SCY = 6 = OR6[24:27] = 0110
184  *    TRLX = use relaxed timing = OR6[29] = 1
185  *    EAD = use external address latch delay = OR6[31] = 1
186  *
187  * 0    4    8    12   16   20   24   28
188  * 1111 1000 0000 0000 0110 1110 0110 0101 = f8006e65    OR6
189  */
190 
191 #define CONFIG_SYS_BOOT_BLOCK		0xff800000	/* start of 8MB Flash */
192 #define CONFIG_SYS_ALT_FLASH		0xfb800000	/* 64MB "user" flash */
193 #define CONFIG_SYS_FLASH_BASE		CONFIG_SYS_BOOT_BLOCK	/* start of FLASH 16M */
194 
195 #define CONFIG_SYS_BR0_PRELIM		0xff800801
196 #define CONFIG_SYS_BR6_PRELIM		0xfb801801
197 
198 #define	CONFIG_SYS_OR0_PRELIM		0xff806e65
199 #define	CONFIG_SYS_OR6_PRELIM		0xf8006e65
200 
201 #define CONFIG_SYS_FLASH_BANKS_LIST	{CONFIG_SYS_FLASH_BASE, \
202 					 CONFIG_SYS_ALT_FLASH}
203 #define CONFIG_SYS_MAX_FLASH_BANKS	2		/* number of banks */
204 #define CONFIG_SYS_MAX_FLASH_SECT	256		/* sectors per device */
205 #undef	CONFIG_SYS_FLASH_CHECKSUM
206 #define CONFIG_SYS_FLASH_ERASE_TOUT	60000	/* Flash Erase Timeout (ms) */
207 #define CONFIG_SYS_FLASH_WRITE_TOUT	500	/* Flash Write Timeout (ms) */
208 
209 #define CONFIG_SYS_MONITOR_BASE	TEXT_BASE	/* start of monitor */
210 
211 #define CONFIG_FLASH_CFI_DRIVER
212 #define CONFIG_SYS_FLASH_CFI
213 #define CONFIG_SYS_FLASH_EMPTY_INFO
214 
215 /* CS5 = Local bus peripherals controlled by the EPLD */
216 
217 #define CONFIG_SYS_BR5_PRELIM		0xf8000801
218 #define CONFIG_SYS_OR5_PRELIM		0xff006e65
219 #define CONFIG_SYS_EPLD_BASE		0xf8000000
220 #define CONFIG_SYS_LED_DISP_BASE	0xf8000000
221 #define CONFIG_SYS_USER_SWITCHES_BASE	0xf8100000
222 #define CONFIG_SYS_BD_REV		0xf8300000
223 #define CONFIG_SYS_EEPROM_BASE		0xf8b00000
224 
225 /*
226  * SDRAM on the Local Bus (CS3 and CS4)
227  */
228 #define CONFIG_SYS_LBC_SDRAM_BASE	0xf0000000	/* Localbus SDRAM */
229 #define CONFIG_SYS_LBC_SDRAM_SIZE	128		/* LBC SDRAM is 128MB */
230 
231 /*
232  * Base Register 3 and Option Register 3 configure the 1st 1/2 SDRAM.
233  * The SDRAM base address, CONFIG_SYS_LBC_SDRAM_BASE, is 0xf0000000.
234  *
235  * For BR3, need:
236  *    Base address of 0xf0000000 = BR[0:16] = 1111 0000 0000 0000 0
237  *    port-size = 32-bits = BR2[19:20] = 11
238  *    no parity checking = BR2[21:22] = 00
239  *    SDRAM for MSEL = BR2[24:26] = 011
240  *    Valid = BR[31] = 1
241  *
242  * 0    4    8    12   16   20   24   28
243  * 1111 0000 0000 0000 0001 1000 0110 0001 = f0001861
244  *
245  */
246 
247 #define CONFIG_SYS_BR3_PRELIM		0xf0001861
248 
249 /*
250  * The SDRAM size in MB, of 1/2 CONFIG_SYS_LBC_SDRAM_SIZE, is 64.
251  *
252  * For OR3, need:
253  *    64MB mask for AM, OR3[0:7] = 1111 1100
254  *		   XAM, OR3[17:18] = 11
255  *    10 columns OR3[19-21] = 011
256  *    12 rows   OR3[23-25] = 011
257  *    EAD set for extra time OR[31] = 0
258  *
259  * 0    4    8    12   16   20   24   28
260  * 1111 1100 0000 0000 0110 1100 1100 0000 = fc006cc0
261  */
262 
263 #define CONFIG_SYS_OR3_PRELIM		0xfc006cc0
264 
265 /*
266  * Base Register 4 and Option Register 4 configure the 2nd 1/2 SDRAM.
267  * The base address, (SDRAM_BASE + 1/2*SIZE), is 0xf4000000.
268  *
269  * For BR4, need:
270  *    Base address of 0xf4000000 = BR[0:16] = 1111 0100 0000 0000 0
271  *    port-size = 32-bits = BR2[19:20] = 11
272  *    no parity checking = BR2[21:22] = 00
273  *    SDRAM for MSEL = BR2[24:26] = 011
274  *    Valid = BR[31] = 1
275  *
276  * 0    4    8    12   16   20   24   28
277  * 1111 0000 0000 0000 0001 1000 0110 0001 = f4001861
278  *
279  */
280 
281 #define CONFIG_SYS_BR4_PRELIM		0xf4001861
282 
283 /*
284  * The SDRAM size in MB, of 1/2 CONFIG_SYS_LBC_SDRAM_SIZE, is 64.
285  *
286  * For OR4, need:
287  *    64MB mask for AM, OR3[0:7] = 1111 1100
288  *		   XAM, OR3[17:18] = 11
289  *    10 columns OR3[19-21] = 011
290  *    12 rows   OR3[23-25] = 011
291  *    EAD set for extra time OR[31] = 0
292  *
293  * 0    4    8    12   16   20   24   28
294  * 1111 1100 0000 0000 0110 1100 1100 0000 = fc006cc0
295  */
296 
297 #define CONFIG_SYS_OR4_PRELIM		0xfc006cc0
298 
299 #define CONFIG_SYS_LBC_LCRR		0x00000002    /* LB clock ratio reg */
300 #define CONFIG_SYS_LBC_LBCR		0x00000000    /* LB config reg */
301 #define CONFIG_SYS_LBC_LSRT		0x20000000  /* LB sdram refresh timer */
302 #define CONFIG_SYS_LBC_MRTPR		0x00000000  /* LB refresh timer prescal*/
303 
304 /*
305  * Common settings for all Local Bus SDRAM commands.
306  * At run time, either BSMA1516 (for CPU 1.1)
307  *                  or BSMA1617 (for CPU 1.0) (old)
308  * is OR'ed in too.
309  */
310 #define CONFIG_SYS_LBC_LSDMR_COMMON	( LSDMR_RFCR16		\
311 				| LSDMR_PRETOACT7	\
312 				| LSDMR_ACTTORW7	\
313 				| LSDMR_BL8		\
314 				| LSDMR_WRC4		\
315 				| LSDMR_CL3		\
316 				| LSDMR_RFEN		\
317 				)
318 
319 #define CONFIG_SYS_INIT_RAM_LOCK	1
320 #define CONFIG_SYS_INIT_RAM_ADDR	0xe4010000	/* Initial RAM address */
321 #define CONFIG_SYS_INIT_RAM_END	0x4000		/* End of used area in RAM */
322 
323 #define CONFIG_SYS_INIT_L2_ADDR	0xf8f80000	/* relocate boot L2SRAM */
324 
325 #define CONFIG_SYS_GBL_DATA_SIZE	128		/* num bytes initial data */
326 #define CONFIG_SYS_GBL_DATA_OFFSET	(CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE)
327 #define CONFIG_SYS_INIT_SP_OFFSET	CONFIG_SYS_GBL_DATA_OFFSET
328 
329 /*
330  * For soldered on flash, (128kB/sector) we use 2 sectors for u-boot and
331  * one for env+bootpg (TEXT_BASE=0xfffa_0000, 384kB total).  For SODIMM
332  * flash (512kB/sector) we use 1 sector for u-boot, and one for env+bootpg
333  * (TEXT_BASE=0xfff0_0000, 1MB total).  This dynamically sets the right
334  * thing for MONITOR_LEN in both cases.
335  */
336 #define CONFIG_SYS_MONITOR_LEN		(~TEXT_BASE + 1)
337 #define CONFIG_SYS_MALLOC_LEN		(128 * 1024)	/* Reserved for malloc */
338 
339 /* Serial Port */
340 #define CONFIG_CONS_INDEX	1
341 #undef	CONFIG_SERIAL_SOFTWARE_FIFO
342 #define CONFIG_SYS_NS16550
343 #define CONFIG_SYS_NS16550_SERIAL
344 #define CONFIG_SYS_NS16550_REG_SIZE	1
345 #define CONFIG_SYS_NS16550_CLK		(400000000 / CONFIG_SYS_CLK_DIV)
346 
347 #define CONFIG_SYS_BAUDRATE_TABLE \
348 	{300, 600, 1200, 2400, 4800, 9600, 19200, 38400,115200}
349 
350 #define CONFIG_SYS_NS16550_COM1	(CONFIG_SYS_CCSRBAR+0x4500)
351 #define CONFIG_SYS_NS16550_COM2	(CONFIG_SYS_CCSRBAR+0x4600)
352 
353 /* Use the HUSH parser */
354 #define CONFIG_SYS_HUSH_PARSER
355 #ifdef	CONFIG_SYS_HUSH_PARSER
356 #define CONFIG_SYS_PROMPT_HUSH_PS2 "> "
357 #endif
358 
359 /* pass open firmware flat tree */
360 #define CONFIG_OF_LIBFDT		1
361 #define CONFIG_OF_BOARD_SETUP		1
362 #define CONFIG_OF_STDOUT_VIA_ALIAS	1
363 
364 /*
365  * I2C
366  */
367 #define CONFIG_FSL_I2C		/* Use FSL common I2C driver */
368 #define CONFIG_HARD_I2C		/* I2C with hardware support*/
369 #undef	CONFIG_SOFT_I2C		/* I2C bit-banged */
370 #define CONFIG_SYS_I2C_SPEED		400000	/* I2C speed and slave address */
371 #define CONFIG_SYS_I2C_EEPROM_ADDR	0x50
372 #define CONFIG_SYS_I2C_SLAVE		0x7F
373 #define CONFIG_SYS_I2C_OFFSET		0x3000
374 
375 /*
376  * General PCI
377  * Memory space is mapped 1-1, but I/O space must start from 0.
378  */
379 #define CONFIG_SYS_PCI_VIRT		0x80000000	/* 1G PCI TLB */
380 #define CONFIG_SYS_PCI_PHYS		0x80000000	/* 1G PCI TLB */
381 
382 #define CONFIG_SYS_PCI1_MEM_VIRT	0x80000000
383 #define CONFIG_SYS_PCI1_MEM_BUS		0x80000000
384 #define CONFIG_SYS_PCI1_MEM_PHYS	0x80000000
385 #define CONFIG_SYS_PCI1_MEM_SIZE	0x20000000	/* 512M */
386 #define CONFIG_SYS_PCI1_IO_VIRT		0xe2000000
387 #define CONFIG_SYS_PCI1_IO_BUS		0x00000000
388 #define CONFIG_SYS_PCI1_IO_PHYS		0xe2000000
389 #define CONFIG_SYS_PCI1_IO_SIZE		0x00800000	/* 8M */
390 
391 #ifdef CONFIG_PCIE1
392 #define CONFIG_SYS_PCIE1_MEM_VIRT	0xa0000000
393 #define CONFIG_SYS_PCIE1_MEM_BUS	0xa0000000
394 #define CONFIG_SYS_PCIE1_MEM_PHYS	0xa0000000
395 #define CONFIG_SYS_PCIE1_MEM_SIZE	0x20000000	/* 512M */
396 #define CONFIG_SYS_PCIE1_IO_VIRT	0xe2800000
397 #define CONFIG_SYS_PCIE1_IO_BUS		0x00000000
398 #define CONFIG_SYS_PCIE1_IO_PHYS	0xe2800000
399 #define CONFIG_SYS_PCIE1_IO_SIZE	0x00800000	/* 8M */
400 #endif
401 
402 #ifdef CONFIG_RIO
403 /*
404  * RapidIO MMU
405  */
406 #define CONFIG_SYS_RIO_MEM_BASE	0xC0000000
407 #define CONFIG_SYS_RIO_MEM_SIZE	0x20000000	/* 512M */
408 #endif
409 
410 #if defined(CONFIG_PCI)
411 
412 #define CONFIG_NET_MULTI
413 #define CONFIG_PCI_PNP			/* do pci plug-and-play */
414 
415 #undef CONFIG_EEPRO100
416 #undef CONFIG_TULIP
417 
418 #define CONFIG_PCI_SCAN_SHOW		/* show pci devices on startup */
419 
420 #endif	/* CONFIG_PCI */
421 
422 
423 #if defined(CONFIG_TSEC_ENET)
424 
425 #ifndef CONFIG_NET_MULTI
426 #define CONFIG_NET_MULTI	1
427 #endif
428 
429 #define CONFIG_MII		1	/* MII PHY management */
430 #define CONFIG_TSEC1	1
431 #define CONFIG_TSEC1_NAME	"eTSEC0"
432 #define CONFIG_TSEC2	1
433 #define CONFIG_TSEC2_NAME	"eTSEC1"
434 #undef CONFIG_MPC85XX_FEC
435 
436 #define TSEC1_PHY_ADDR		0x19
437 #define TSEC2_PHY_ADDR		0x1a
438 
439 #define TSEC1_PHYIDX		0
440 #define TSEC2_PHYIDX		0
441 
442 #define TSEC1_FLAGS		TSEC_GIGABIT
443 #define TSEC2_FLAGS		TSEC_GIGABIT
444 
445 /* Options are: eTSEC[0-3] */
446 #define CONFIG_ETHPRIME		"eTSEC0"
447 #define CONFIG_PHY_GIGE		1	/* Include GbE speed/duplex detection */
448 #endif	/* CONFIG_TSEC_ENET */
449 
450 /*
451  * Environment
452  */
453 #define CONFIG_ENV_IS_IN_FLASH	1
454 #define CONFIG_ENV_SIZE		0x2000
455 #if TEXT_BASE == 0xfff00000	/* Boot from 64MB SODIMM */
456 #define CONFIG_ENV_ADDR		(CONFIG_SYS_MONITOR_BASE + 0x80000)
457 #define CONFIG_ENV_SECT_SIZE	0x80000	/* 512K(one sector) for env */
458 #elif TEXT_BASE == 0xfffa0000	/* Boot from 8MB soldered flash */
459 #define CONFIG_ENV_ADDR		(CONFIG_SYS_MONITOR_BASE + 0x40000)
460 #define CONFIG_ENV_SECT_SIZE	0x20000	/* 128K(one sector) for env */
461 #else
462 #warning undefined environment size/location.
463 #endif
464 
465 #define CONFIG_LOADS_ECHO	1	/* echo on for serial download */
466 #define CONFIG_SYS_LOADS_BAUD_CHANGE	1	/* allow baudrate change */
467 
468 /*
469  * BOOTP options
470  */
471 #define CONFIG_BOOTP_BOOTFILESIZE
472 #define CONFIG_BOOTP_BOOTPATH
473 #define CONFIG_BOOTP_GATEWAY
474 #define CONFIG_BOOTP_HOSTNAME
475 
476 
477 /*
478  * Command line configuration.
479  */
480 #include <config_cmd_default.h>
481 
482 #define CONFIG_CMD_PING
483 #define CONFIG_CMD_I2C
484 #define CONFIG_CMD_MII
485 #define CONFIG_CMD_ELF
486 #define CONFIG_CMD_REGINFO
487 
488 #if defined(CONFIG_PCI)
489     #define CONFIG_CMD_PCI
490 #endif
491 
492 
493 #undef CONFIG_WATCHDOG			/* watchdog disabled */
494 
495 /*
496  * Miscellaneous configurable options
497  */
498 #define CONFIG_CMDLINE_EDITING			/* undef to save memory */
499 #define CONFIG_AUTO_COMPLETE			/* add autocompletion support */
500 #define CONFIG_SYS_LONGHELP			/* undef to save memory	*/
501 #define CONFIG_SYS_LOAD_ADDR	0x2000000	/* default load address */
502 #define CONFIG_SYS_PROMPT	"=> "		/* Monitor Command Prompt */
503 #if defined(CONFIG_CMD_KGDB)
504 #define CONFIG_SYS_CBSIZE	1024		/* Console I/O Buffer Size */
505 #else
506 #define CONFIG_SYS_CBSIZE	256		/* Console I/O Buffer Size */
507 #endif
508 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
509 #define CONFIG_SYS_MAXARGS	16		/* max number of command args */
510 #define CONFIG_SYS_BARGSIZE	CONFIG_SYS_CBSIZE	/* Boot Argument Buffer Size */
511 #define CONFIG_SYS_HZ		1000		/* decrementer freq: 1ms ticks */
512 
513 /*
514  * For booting Linux, the board info and command line data
515  * have to be in the first 8 MB of memory, since this is
516  * the maximum mapped by the Linux kernel during initialization.
517  */
518 #define CONFIG_SYS_BOOTMAPSZ	(8 << 20)	/* Initial Memory map for Linux*/
519 
520 /*
521  * Internal Definitions
522  *
523  * Boot Flags
524  */
525 #define BOOTFLAG_COLD	0x01		/* Normal Power-On: Boot from FLASH */
526 #define BOOTFLAG_WARM	0x02		/* Software reboot */
527 
528 #if defined(CONFIG_CMD_KGDB)
529 #define CONFIG_KGDB_BAUDRATE	230400	/* speed to run kgdb serial port */
530 #define CONFIG_KGDB_SER_INDEX	2	/* which serial port to use */
531 #endif
532 
533 /*
534  * Environment Configuration
535  */
536 
537 /* The mac addresses for all ethernet interface */
538 #if defined(CONFIG_TSEC_ENET)
539 #define CONFIG_HAS_ETH0
540 #define CONFIG_ETHADDR	 02:E0:0C:00:00:FD
541 #define CONFIG_HAS_ETH1
542 #define CONFIG_ETH1ADDR	 02:E0:0C:00:01:FD
543 #endif
544 
545 #define CONFIG_IPADDR	 192.168.0.55
546 
547 #define CONFIG_HOSTNAME	 sbc8548
548 #define CONFIG_ROOTPATH	 /opt/eldk/ppc_85xx
549 #define CONFIG_BOOTFILE	 /uImage
550 #define CONFIG_UBOOTPATH /u-boot.bin	/* TFTP server */
551 
552 #define CONFIG_SERVERIP	 192.168.0.2
553 #define CONFIG_GATEWAYIP 192.168.0.1
554 #define CONFIG_NETMASK	 255.255.255.0
555 
556 #define CONFIG_LOADADDR	1000000	/*default location for tftp and bootm*/
557 
558 #define CONFIG_BOOTDELAY 10	/* -1 disables auto-boot */
559 #undef	CONFIG_BOOTARGS		/* the boot command will set bootargs*/
560 
561 #define CONFIG_BAUDRATE	115200
562 
563 #define	CONFIG_EXTRA_ENV_SETTINGS				\
564  "netdev=eth0\0"						\
565  "uboot=" MK_STR(CONFIG_UBOOTPATH) "\0"				\
566  "tftpflash=tftpboot $loadaddr $uboot; "			\
567 	"protect off " MK_STR(TEXT_BASE) " +$filesize; "	\
568 	"erase " MK_STR(TEXT_BASE) " +$filesize; "		\
569 	"cp.b $loadaddr " MK_STR(TEXT_BASE) " $filesize; "	\
570 	"protect on " MK_STR(TEXT_BASE) " +$filesize; "		\
571 	"cmp.b $loadaddr " MK_STR(TEXT_BASE) " $filesize\0"	\
572  "consoledev=ttyS0\0"				\
573  "ramdiskaddr=2000000\0"			\
574  "ramdiskfile=uRamdisk\0"			\
575  "fdtaddr=c00000\0"				\
576  "fdtfile=sbc8548.dtb\0"
577 
578 #define CONFIG_NFSBOOTCOMMAND						\
579    "setenv bootargs root=/dev/nfs rw "					\
580       "nfsroot=$serverip:$rootpath "					\
581       "ip=$ipaddr:$serverip:$gatewayip:$netmask:$hostname:$netdev:off " \
582       "console=$consoledev,$baudrate $othbootargs;"			\
583    "tftp $loadaddr $bootfile;"						\
584    "tftp $fdtaddr $fdtfile;"						\
585    "bootm $loadaddr - $fdtaddr"
586 
587 
588 #define CONFIG_RAMBOOTCOMMAND \
589    "setenv bootargs root=/dev/ram rw "					\
590       "console=$consoledev,$baudrate $othbootargs;"			\
591    "tftp $ramdiskaddr $ramdiskfile;"					\
592    "tftp $loadaddr $bootfile;"						\
593    "tftp $fdtaddr $fdtfile;"						\
594    "bootm $loadaddr $ramdiskaddr $fdtaddr"
595 
596 #define CONFIG_BOOTCOMMAND	CONFIG_RAMBOOTCOMMAND
597 
598 #endif	/* __CONFIG_H */
599