xref: /openbmc/u-boot/include/configs/sbc8548.h (revision 5396b2a9)
1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * Copyright 2007,2009 Wind River Systems <www.windriver.com>
4  * Copyright 2007 Embedded Specialties, Inc.
5  * Copyright 2004, 2007 Freescale Semiconductor.
6  */
7 
8 /*
9  * sbc8548 board configuration file
10  * Please refer to doc/README.sbc8548 for more info.
11  */
12 #ifndef __CONFIG_H
13 #define __CONFIG_H
14 
15 /*
16  * Top level Makefile configuration choices
17  */
18 #ifdef CONFIG_PCI
19 #define CONFIG_PCI_INDIRECT_BRIDGE
20 #define CONFIG_PCI1
21 #endif
22 
23 #ifdef CONFIG_66
24 #define CONFIG_SYS_CLK_DIV 1
25 #endif
26 
27 #ifdef CONFIG_33
28 #define CONFIG_SYS_CLK_DIV 2
29 #endif
30 
31 #ifdef CONFIG_PCIE
32 #define CONFIG_PCIE1
33 #endif
34 
35 /*
36  * High Level Configuration Options
37  */
38 
39 /*
40  * If you want to boot from the SODIMM flash, instead of the soldered
41  * on flash, set this, and change JP12, SW2:8 accordingly.
42  */
43 #undef CONFIG_SYS_ALT_BOOT
44 
45 #undef CONFIG_RIO
46 
47 #ifdef CONFIG_PCI
48 #define CONFIG_FSL_PCI_INIT		/* Use common FSL init code */
49 #define CONFIG_SYS_PCI_64BIT    1	/* enable 64-bit PCI resources */
50 #endif
51 #ifdef CONFIG_PCIE1
52 #define CONFIG_FSL_PCIE_RESET   1	/* need PCIe reset errata */
53 #endif
54 
55 #define CONFIG_ENV_OVERWRITE
56 
57 #define CONFIG_INTERRUPTS		/* enable pci, srio, ddr interrupts */
58 
59 /*
60  * Below assumes that CCB:SYSCLK remains unchanged at 6:1 via SW2:[1-4]
61  */
62 #ifndef CONFIG_SYS_CLK_DIV
63 #define CONFIG_SYS_CLK_DIV	1	/* 2, if 33MHz PCI card installed */
64 #endif
65 #define CONFIG_SYS_CLK_FREQ	(66000000 / CONFIG_SYS_CLK_DIV)
66 
67 /*
68  * These can be toggled for performance analysis, otherwise use default.
69  */
70 #define CONFIG_L2_CACHE			/* toggle L2 cache */
71 #define CONFIG_BTB			/* toggle branch predition */
72 
73 /*
74  * Only possible on E500 Version 2 or newer cores.
75  */
76 #define CONFIG_ENABLE_36BIT_PHYS	1
77 
78 #undef	CONFIG_SYS_DRAM_TEST			/* memory test, takes time */
79 #define CONFIG_SYS_MEMTEST_START	0x00200000	/* memtest works on */
80 #define CONFIG_SYS_MEMTEST_END		0x00400000
81 
82 #define CONFIG_SYS_CCSRBAR		0xe0000000
83 #define CONFIG_SYS_CCSRBAR_PHYS_LOW	CONFIG_SYS_CCSRBAR
84 
85 /* DDR Setup */
86 #undef CONFIG_DDR_ECC			/* only for ECC DDR module */
87 /*
88  * A hardware errata caused the LBC SDRAM SPD and the DDR2 SPD
89  * to collide, meaning you couldn't reliably read either. So
90  * physically remove the LBC PC100 SDRAM module from the board
91  * before enabling the two SPD options below, or check that you
92  * have the hardware fix on your board via "i2c probe" and looking
93  * for a device at 0x53.
94  */
95 #undef CONFIG_SPD_EEPROM		/* Use SPD EEPROM for DDR setup */
96 #undef CONFIG_DDR_SPD
97 
98 #define CONFIG_ECC_INIT_VIA_DDRCONTROLLER	/* DDR controller or DMA? */
99 #define CONFIG_MEM_INIT_VALUE	0xDeadBeef
100 
101 #define CONFIG_SYS_DDR_SDRAM_BASE	0x00000000
102 #define CONFIG_SYS_SDRAM_BASE		CONFIG_SYS_DDR_SDRAM_BASE
103 #define CONFIG_VERY_BIG_RAM
104 
105 #define CONFIG_DIMM_SLOTS_PER_CTLR	1
106 #define CONFIG_CHIP_SELECTS_PER_CTRL	2
107 
108 /*
109  * The hardware fix for the I2C address collision puts the DDR
110  * SPD at 0x53, but if we are running on an older board w/o the
111  * fix, it will still be at 0x51.  We check 0x53 1st.
112  */
113 #define SPD_EEPROM_ADDRESS	0x51	/* CTLR 0 DIMM 0 */
114 #define ALT_SPD_EEPROM_ADDRESS	0x53	/* CTLR 0 DIMM 0 */
115 
116 /*
117  * Make sure required options are set
118  */
119 #ifndef CONFIG_SPD_EEPROM
120 	#define CONFIG_SYS_SDRAM_SIZE	256		/* DDR is 256MB */
121 	#define CONFIG_SYS_DDR_CONTROL	0xc300c000
122 #endif
123 
124 #undef CONFIG_CLOCKS_IN_MHZ
125 
126 /*
127  * FLASH on the Local Bus
128  * Two banks, one 8MB the other 64MB, using the CFI driver.
129  * JP12+SW2.8 are used to swap CS0 and CS6, defaults are to have
130  * CS0 the 8MB boot flash, and CS6 the 64MB flash.
131  *
132  *	Default:
133  *	ec00_0000	efff_ffff	64MB SODIMM
134  *	ff80_0000	ffff_ffff	8MB soldered flash
135  *
136  *	Alternate:
137  *	ef80_0000	efff_ffff	8MB soldered flash
138  *	fc00_0000	ffff_ffff	64MB SODIMM
139  *
140  * BR0_8M:
141  *    Base address 0 = 0xff80_0000 = BR0[0:16] = 1111 1111 1000 0000 0
142  *    Port Size = 8 bits = BRx[19:20] = 01
143  *    Use GPCM = BRx[24:26] = 000
144  *    Valid = BRx[31] = 1
145  *
146  * BR0_64M:
147  *    Base address 0 = 0xfc00_0000 = BR0[0:16] = 1111 1100 0000 0000 0
148  *    Port Size = 32 bits = BRx[19:20] = 11
149  *
150  * 0    4    8    12   16   20   24   28
151  * 1111 1111 1000 0000 0000 1000 0000 0001 = ff800801    BR0_8M
152  * 1111 1100 0000 0000 0001 1000 0000 0001 = fc001801    BR0_64M
153  */
154 #define CONFIG_SYS_BR0_8M	0xff800801
155 #define CONFIG_SYS_BR0_64M	0xfc001801
156 
157 /*
158  * BR6_8M:
159  *    Base address 6 = 0xef80_0000 = BR6[0:16] = 1110 1111 1000 0000 0
160  *    Port Size = 8 bits = BRx[19:20] = 01
161  *    Use GPCM = BRx[24:26] = 000
162  *    Valid = BRx[31] = 1
163 
164  * BR6_64M:
165  *    Base address 6 = 0xec00_0000 = BR6[0:16] = 1110 1100 0000 0000 0
166  *    Port Size = 32 bits = BRx[19:20] = 11
167  *
168  * 0    4    8    12   16   20   24   28
169  * 1110 1111 1000 0000 0000 1000 0000 0001 = ef800801    BR6_8M
170  * 1110 1100 0000 0000 0001 1000 0000 0001 = ec001801    BR6_64M
171  */
172 #define CONFIG_SYS_BR6_8M	0xef800801
173 #define CONFIG_SYS_BR6_64M	0xec001801
174 
175 /*
176  * OR0_8M:
177  *    Addr Mask = 8M = OR1[0:16] = 1111 1111 1000 0000 0
178  *    XAM = OR0[17:18] = 11
179  *    CSNT = OR0[20] = 1
180  *    ACS = half cycle delay = OR0[21:22] = 11
181  *    SCY = 6 = OR0[24:27] = 0110
182  *    TRLX = use relaxed timing = OR0[29] = 1
183  *    EAD = use external address latch delay = OR0[31] = 1
184  *
185  * OR0_64M:
186  *    Addr Mask = 64M = OR1[0:16] = 1111 1100 0000 0000 0
187  *
188  *
189  * 0    4    8    12   16   20   24   28
190  * 1111 1111 1000 0000 0110 1110 0110 0101 = ff806e65    OR0_8M
191  * 1111 1100 0000 0000 0110 1110 0110 0101 = fc006e65    OR0_64M
192  */
193 #define CONFIG_SYS_OR0_8M	0xff806e65
194 #define CONFIG_SYS_OR0_64M	0xfc006e65
195 
196 /*
197  * OR6_8M:
198  *    Addr Mask = 8M = OR6[0:16] = 1111 1111 1000 0000 0
199  *    XAM = OR6[17:18] = 11
200  *    CSNT = OR6[20] = 1
201  *    ACS = half cycle delay = OR6[21:22] = 11
202  *    SCY = 6 = OR6[24:27] = 0110
203  *    TRLX = use relaxed timing = OR6[29] = 1
204  *    EAD = use external address latch delay = OR6[31] = 1
205  *
206  * OR6_64M:
207  *    Addr Mask = 64M = OR6[0:16] = 1111 1100 0000 0000 0
208  *
209  * 0    4    8    12   16   20   24   28
210  * 1111 1111 1000 0000 0110 1110 0110 0101 = ff806e65    OR6_8M
211  * 1111 1100 0000 0000 0110 1110 0110 0101 = fc006e65    OR6_64M
212  */
213 #define CONFIG_SYS_OR6_8M	0xff806e65
214 #define CONFIG_SYS_OR6_64M	0xfc006e65
215 
216 #ifndef CONFIG_SYS_ALT_BOOT		/* JP12 in default position */
217 #define CONFIG_SYS_BOOT_BLOCK		0xff800000	/* start of 8MB Flash */
218 #define CONFIG_SYS_ALT_FLASH		0xec000000	/* 64MB "user" flash */
219 
220 #define CONFIG_SYS_BR0_PRELIM		CONFIG_SYS_BR0_8M
221 #define CONFIG_SYS_OR0_PRELIM		CONFIG_SYS_OR0_8M
222 
223 #define CONFIG_SYS_BR6_PRELIM		CONFIG_SYS_BR6_64M
224 #define CONFIG_SYS_OR6_PRELIM		CONFIG_SYS_OR6_64M
225 #else					/* JP12 in alternate position */
226 #define CONFIG_SYS_BOOT_BLOCK		0xfc000000	/* start 64MB Flash */
227 #define CONFIG_SYS_ALT_FLASH		0xef800000	/* 8MB soldered flash */
228 
229 #define CONFIG_SYS_BR0_PRELIM		CONFIG_SYS_BR0_64M
230 #define CONFIG_SYS_OR0_PRELIM		CONFIG_SYS_OR0_64M
231 
232 #define CONFIG_SYS_BR6_PRELIM		CONFIG_SYS_BR6_8M
233 #define CONFIG_SYS_OR6_PRELIM		CONFIG_SYS_OR6_8M
234 #endif
235 
236 #define CONFIG_SYS_FLASH_BASE		CONFIG_SYS_BOOT_BLOCK
237 #define CONFIG_SYS_FLASH_BANKS_LIST	{CONFIG_SYS_FLASH_BASE, \
238 					 CONFIG_SYS_ALT_FLASH}
239 #define CONFIG_SYS_MAX_FLASH_BANKS	2		/* number of banks */
240 #define CONFIG_SYS_MAX_FLASH_SECT	256		/* sectors per device */
241 #undef	CONFIG_SYS_FLASH_CHECKSUM
242 #define CONFIG_SYS_FLASH_ERASE_TOUT	60000	/* Flash Erase Timeout (ms) */
243 #define CONFIG_SYS_FLASH_WRITE_TOUT	500	/* Flash Write Timeout (ms) */
244 
245 #define CONFIG_SYS_MONITOR_BASE	CONFIG_SYS_TEXT_BASE	/* start of monitor */
246 
247 #define CONFIG_SYS_FLASH_EMPTY_INFO
248 
249 /* CS5 = Local bus peripherals controlled by the EPLD */
250 
251 #define CONFIG_SYS_BR5_PRELIM		0xf8000801
252 #define CONFIG_SYS_OR5_PRELIM		0xff006e65
253 #define CONFIG_SYS_EPLD_BASE		0xf8000000
254 #define CONFIG_SYS_LED_DISP_BASE	0xf8000000
255 #define CONFIG_SYS_USER_SWITCHES_BASE	0xf8100000
256 #define CONFIG_SYS_BD_REV		0xf8300000
257 #define CONFIG_SYS_EEPROM_BASE		0xf8b00000
258 
259 /*
260  * SDRAM on the Local Bus (CS3 and CS4)
261  * Note that most boards have a hardware errata where both the
262  * LBC SDRAM and the DDR2 SDRAM decode at 0x51, making it impossible
263  * to use CONFIG_DDR_SPD unless you physically remove the LBC DIMM.
264  * A hardware workaround is also available, see README.sbc8548 file.
265  */
266 #define CONFIG_SYS_LBC_SDRAM_BASE	0xf0000000	/* Localbus SDRAM */
267 #define CONFIG_SYS_LBC_SDRAM_SIZE	128		/* LBC SDRAM is 128MB */
268 
269 /*
270  * Base Register 3 and Option Register 3 configure the 1st 1/2 SDRAM.
271  * The SDRAM base address, CONFIG_SYS_LBC_SDRAM_BASE, is 0xf0000000.
272  *
273  * For BR3, need:
274  *    Base address of 0xf0000000 = BR[0:16] = 1111 0000 0000 0000 0
275  *    port-size = 32-bits = BR2[19:20] = 11
276  *    no parity checking = BR2[21:22] = 00
277  *    SDRAM for MSEL = BR2[24:26] = 011
278  *    Valid = BR[31] = 1
279  *
280  * 0    4    8    12   16   20   24   28
281  * 1111 0000 0000 0000 0001 1000 0110 0001 = f0001861
282  *
283  */
284 
285 #define CONFIG_SYS_BR3_PRELIM		0xf0001861
286 
287 /*
288  * The SDRAM size in MB, of 1/2 CONFIG_SYS_LBC_SDRAM_SIZE, is 64.
289  *
290  * For OR3, need:
291  *    64MB mask for AM, OR3[0:7] = 1111 1100
292  *		   XAM, OR3[17:18] = 11
293  *    10 columns OR3[19-21] = 011
294  *    12 rows   OR3[23-25] = 011
295  *    EAD set for extra time OR[31] = 0
296  *
297  * 0    4    8    12   16   20   24   28
298  * 1111 1100 0000 0000 0110 1100 1100 0000 = fc006cc0
299  */
300 
301 #define CONFIG_SYS_OR3_PRELIM		0xfc006cc0
302 
303 /*
304  * Base Register 4 and Option Register 4 configure the 2nd 1/2 SDRAM.
305  * The base address, (SDRAM_BASE + 1/2*SIZE), is 0xf4000000.
306  *
307  * For BR4, need:
308  *    Base address of 0xf4000000 = BR[0:16] = 1111 0100 0000 0000 0
309  *    port-size = 32-bits = BR2[19:20] = 11
310  *    no parity checking = BR2[21:22] = 00
311  *    SDRAM for MSEL = BR2[24:26] = 011
312  *    Valid = BR[31] = 1
313  *
314  * 0    4    8    12   16   20   24   28
315  * 1111 0000 0000 0000 0001 1000 0110 0001 = f4001861
316  *
317  */
318 
319 #define CONFIG_SYS_BR4_PRELIM		0xf4001861
320 
321 /*
322  * The SDRAM size in MB, of 1/2 CONFIG_SYS_LBC_SDRAM_SIZE, is 64.
323  *
324  * For OR4, need:
325  *    64MB mask for AM, OR3[0:7] = 1111 1100
326  *		   XAM, OR3[17:18] = 11
327  *    10 columns OR3[19-21] = 011
328  *    12 rows   OR3[23-25] = 011
329  *    EAD set for extra time OR[31] = 0
330  *
331  * 0    4    8    12   16   20   24   28
332  * 1111 1100 0000 0000 0110 1100 1100 0000 = fc006cc0
333  */
334 
335 #define CONFIG_SYS_OR4_PRELIM		0xfc006cc0
336 
337 #define CONFIG_SYS_LBC_LCRR		0x00000002    /* LB clock ratio reg */
338 #define CONFIG_SYS_LBC_LBCR		0x00000000    /* LB config reg */
339 #define CONFIG_SYS_LBC_LSRT		0x20000000  /* LB sdram refresh timer */
340 #define CONFIG_SYS_LBC_MRTPR		0x00000000  /* LB refresh timer prescal*/
341 
342 /*
343  * Common settings for all Local Bus SDRAM commands.
344  */
345 #define CONFIG_SYS_LBC_LSDMR_COMMON	( LSDMR_RFCR16		\
346 				| LSDMR_BSMA1516	\
347 				| LSDMR_PRETOACT3	\
348 				| LSDMR_ACTTORW3	\
349 				| LSDMR_BUFCMD		\
350 				| LSDMR_BL8		\
351 				| LSDMR_WRC2		\
352 				| LSDMR_CL3		\
353 				)
354 
355 #define CONFIG_SYS_LBC_LSDMR_PCHALL	\
356 	 (CONFIG_SYS_LBC_LSDMR_COMMON | LSDMR_OP_PCHALL)
357 #define CONFIG_SYS_LBC_LSDMR_ARFRSH	\
358 	 (CONFIG_SYS_LBC_LSDMR_COMMON | LSDMR_OP_ARFRSH)
359 #define CONFIG_SYS_LBC_LSDMR_MRW	\
360 	 (CONFIG_SYS_LBC_LSDMR_COMMON | LSDMR_OP_MRW)
361 #define CONFIG_SYS_LBC_LSDMR_RFEN	\
362 	 (CONFIG_SYS_LBC_LSDMR_COMMON | LSDMR_RFEN)
363 
364 #define CONFIG_SYS_INIT_RAM_LOCK	1
365 #define CONFIG_SYS_INIT_RAM_ADDR	0xe4010000	/* Initial RAM address */
366 #define CONFIG_SYS_INIT_RAM_SIZE	0x4000		/* Size of used area in RAM */
367 
368 #define CONFIG_SYS_INIT_L2_ADDR	0xf8f80000	/* relocate boot L2SRAM */
369 
370 #define CONFIG_SYS_GBL_DATA_OFFSET	(CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
371 #define CONFIG_SYS_INIT_SP_OFFSET	CONFIG_SYS_GBL_DATA_OFFSET
372 
373 /*
374  * For soldered on flash, (128kB/sector) we use 2 sectors for u-boot and
375  * one for env+bootpg (CONFIG_SYS_TEXT_BASE=0xfffa_0000, 384kB total).  For SODIMM
376  * flash (512kB/sector) we use 1 sector for u-boot, and one for env+bootpg
377  * (CONFIG_SYS_TEXT_BASE=0xfff0_0000, 1MB total).  This dynamically sets the right
378  * thing for MONITOR_LEN in both cases.
379  */
380 #define CONFIG_SYS_MONITOR_LEN		(~CONFIG_SYS_TEXT_BASE + 1)
381 #define CONFIG_SYS_MALLOC_LEN		(1024 * 1024) /* Reserved for malloc */
382 
383 /* Serial Port */
384 #define CONFIG_SYS_NS16550_SERIAL
385 #define CONFIG_SYS_NS16550_REG_SIZE	1
386 #define CONFIG_SYS_NS16550_CLK		(400000000 / CONFIG_SYS_CLK_DIV)
387 
388 #define CONFIG_SYS_BAUDRATE_TABLE \
389 	{300, 600, 1200, 2400, 4800, 9600, 19200, 38400,115200}
390 
391 #define CONFIG_SYS_NS16550_COM1	(CONFIG_SYS_CCSRBAR+0x4500)
392 #define CONFIG_SYS_NS16550_COM2	(CONFIG_SYS_CCSRBAR+0x4600)
393 
394 /*
395  * I2C
396  */
397 #define CONFIG_SYS_I2C
398 #define CONFIG_SYS_I2C_FSL
399 #define CONFIG_SYS_FSL_I2C_SPEED	400000
400 #define CONFIG_SYS_FSL_I2C_SLAVE	0x7F
401 #define CONFIG_SYS_FSL_I2C_OFFSET	0x3000
402 #define CONFIG_SYS_I2C_EEPROM_ADDR	0x50
403 
404 /*
405  * General PCI
406  * Memory space is mapped 1-1, but I/O space must start from 0.
407  */
408 #define CONFIG_SYS_PCI_VIRT		0x80000000	/* 1G PCI TLB */
409 #define CONFIG_SYS_PCI_PHYS		0x80000000	/* 1G PCI TLB */
410 
411 #define CONFIG_SYS_PCI1_MEM_VIRT	0x80000000
412 #define CONFIG_SYS_PCI1_MEM_BUS		0x80000000
413 #define CONFIG_SYS_PCI1_MEM_PHYS	0x80000000
414 #define CONFIG_SYS_PCI1_MEM_SIZE	0x20000000	/* 512M */
415 #define CONFIG_SYS_PCI1_IO_VIRT		0xe2000000
416 #define CONFIG_SYS_PCI1_IO_BUS		0x00000000
417 #define CONFIG_SYS_PCI1_IO_PHYS		0xe2000000
418 #define CONFIG_SYS_PCI1_IO_SIZE		0x00800000	/* 8M */
419 
420 #ifdef CONFIG_PCIE1
421 #define CONFIG_SYS_PCIE1_MEM_VIRT	0xa0000000
422 #define CONFIG_SYS_PCIE1_MEM_BUS	0xa0000000
423 #define CONFIG_SYS_PCIE1_MEM_PHYS	0xa0000000
424 #define CONFIG_SYS_PCIE1_MEM_SIZE	0x20000000	/* 512M */
425 #define CONFIG_SYS_PCIE1_IO_VIRT	0xe2800000
426 #define CONFIG_SYS_PCIE1_IO_BUS		0x00000000
427 #define CONFIG_SYS_PCIE1_IO_PHYS	0xe2800000
428 #define CONFIG_SYS_PCIE1_IO_SIZE	0x00800000	/* 8M */
429 #endif
430 
431 #ifdef CONFIG_RIO
432 /*
433  * RapidIO MMU
434  */
435 #define CONFIG_SYS_RIO_MEM_BASE	0xC0000000
436 #define CONFIG_SYS_RIO_MEM_SIZE	0x20000000	/* 512M */
437 #endif
438 
439 #if defined(CONFIG_PCI)
440 #undef CONFIG_EEPRO100
441 #undef CONFIG_TULIP
442 
443 #define CONFIG_PCI_SCAN_SHOW		/* show pci devices on startup */
444 
445 #endif	/* CONFIG_PCI */
446 
447 #if defined(CONFIG_TSEC_ENET)
448 
449 #define CONFIG_TSEC1	1
450 #define CONFIG_TSEC1_NAME	"eTSEC0"
451 #define CONFIG_TSEC2	1
452 #define CONFIG_TSEC2_NAME	"eTSEC1"
453 #undef CONFIG_MPC85XX_FEC
454 
455 #define TSEC1_PHY_ADDR		0x19
456 #define TSEC2_PHY_ADDR		0x1a
457 
458 #define TSEC1_PHYIDX		0
459 #define TSEC2_PHYIDX		0
460 
461 #define TSEC1_FLAGS		TSEC_GIGABIT
462 #define TSEC2_FLAGS		TSEC_GIGABIT
463 
464 /* Options are: eTSEC[0-3] */
465 #define CONFIG_ETHPRIME		"eTSEC0"
466 #endif	/* CONFIG_TSEC_ENET */
467 
468 /*
469  * Environment
470  */
471 #define CONFIG_ENV_SIZE		0x2000
472 #if CONFIG_SYS_TEXT_BASE == 0xfff00000	/* Boot from 64MB SODIMM */
473 #define CONFIG_ENV_ADDR		(CONFIG_SYS_MONITOR_BASE + 0x80000)
474 #define CONFIG_ENV_SECT_SIZE	0x80000	/* 512K(one sector) for env */
475 #elif CONFIG_SYS_TEXT_BASE == 0xfffa0000	/* Boot from 8MB soldered flash */
476 #define CONFIG_ENV_ADDR		(CONFIG_SYS_MONITOR_BASE + 0x40000)
477 #define CONFIG_ENV_SECT_SIZE	0x20000	/* 128K(one sector) for env */
478 #else
479 #warning undefined environment size/location.
480 #endif
481 
482 #define CONFIG_LOADS_ECHO	1	/* echo on for serial download */
483 #define CONFIG_SYS_LOADS_BAUD_CHANGE	1	/* allow baudrate change */
484 
485 /*
486  * BOOTP options
487  */
488 #define CONFIG_BOOTP_BOOTFILESIZE
489 
490 #undef CONFIG_WATCHDOG			/* watchdog disabled */
491 
492 /*
493  * Miscellaneous configurable options
494  */
495 #define CONFIG_SYS_LOAD_ADDR	0x2000000	/* default load address */
496 
497 /*
498  * For booting Linux, the board info and command line data
499  * have to be in the first 8 MB of memory, since this is
500  * the maximum mapped by the Linux kernel during initialization.
501  */
502 #define CONFIG_SYS_BOOTMAPSZ	(8 << 20)	/* Initial Memory map for Linux*/
503 
504 #if defined(CONFIG_CMD_KGDB)
505 #define CONFIG_KGDB_BAUDRATE	230400	/* speed to run kgdb serial port */
506 #endif
507 
508 /*
509  * Environment Configuration
510  */
511 #if defined(CONFIG_TSEC_ENET)
512 #define CONFIG_HAS_ETH0
513 #define CONFIG_HAS_ETH1
514 #endif
515 
516 #define CONFIG_IPADDR	 192.168.0.55
517 
518 #define CONFIG_HOSTNAME	 "sbc8548"
519 #define CONFIG_ROOTPATH	 "/opt/eldk/ppc_85xx"
520 #define CONFIG_BOOTFILE	 "/uImage"
521 #define CONFIG_UBOOTPATH /u-boot.bin	/* TFTP server */
522 
523 #define CONFIG_SERVERIP	 192.168.0.2
524 #define CONFIG_GATEWAYIP 192.168.0.1
525 #define CONFIG_NETMASK	 255.255.255.0
526 
527 #define CONFIG_LOADADDR	1000000	/*default location for tftp and bootm*/
528 
529 #define	CONFIG_EXTRA_ENV_SETTINGS				\
530 "netdev=eth0\0"						\
531 "uboot=" __stringify(CONFIG_UBOOTPATH) "\0"				\
532 "tftpflash=tftpboot $loadaddr $uboot; "			\
533 	"protect off " __stringify(CONFIG_SYS_TEXT_BASE) " +$filesize; " \
534 	"erase " __stringify(CONFIG_SYS_TEXT_BASE) " +$filesize; "	\
535 	"cp.b $loadaddr " __stringify(CONFIG_SYS_TEXT_BASE) " $filesize; " \
536 	"protect on " __stringify(CONFIG_SYS_TEXT_BASE) " +$filesize; "	\
537 	"cmp.b $loadaddr " __stringify(CONFIG_SYS_TEXT_BASE) " $filesize\0" \
538 "consoledev=ttyS0\0"				\
539 "ramdiskaddr=2000000\0"			\
540 "ramdiskfile=uRamdisk\0"			\
541 "fdtaddr=1e00000\0"				\
542 "fdtfile=sbc8548.dtb\0"
543 
544 #define CONFIG_NFSBOOTCOMMAND						\
545    "setenv bootargs root=/dev/nfs rw "					\
546       "nfsroot=$serverip:$rootpath "					\
547       "ip=$ipaddr:$serverip:$gatewayip:$netmask:$hostname:$netdev:off " \
548       "console=$consoledev,$baudrate $othbootargs;"			\
549    "tftp $loadaddr $bootfile;"						\
550    "tftp $fdtaddr $fdtfile;"						\
551    "bootm $loadaddr - $fdtaddr"
552 
553 #define CONFIG_RAMBOOTCOMMAND \
554    "setenv bootargs root=/dev/ram rw "					\
555       "console=$consoledev,$baudrate $othbootargs;"			\
556    "tftp $ramdiskaddr $ramdiskfile;"					\
557    "tftp $loadaddr $bootfile;"						\
558    "tftp $fdtaddr $fdtfile;"						\
559    "bootm $loadaddr $ramdiskaddr $fdtaddr"
560 
561 #define CONFIG_BOOTCOMMAND	CONFIG_RAMBOOTCOMMAND
562 
563 #endif	/* __CONFIG_H */
564