xref: /openbmc/u-boot/include/configs/sbc8548.h (revision 59e43c32)
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_FSL_DDR_INTERACTIVE
87 #undef CONFIG_DDR_ECC			/* only for ECC DDR module */
88 /*
89  * A hardware errata caused the LBC SDRAM SPD and the DDR2 SPD
90  * to collide, meaning you couldn't reliably read either. So
91  * physically remove the LBC PC100 SDRAM module from the board
92  * before enabling the two SPD options below, or check that you
93  * have the hardware fix on your board via "i2c probe" and looking
94  * for a device at 0x53.
95  */
96 #undef CONFIG_SPD_EEPROM		/* Use SPD EEPROM for DDR setup */
97 #undef CONFIG_DDR_SPD
98 
99 #define CONFIG_ECC_INIT_VIA_DDRCONTROLLER	/* DDR controller or DMA? */
100 #define CONFIG_MEM_INIT_VALUE	0xDeadBeef
101 
102 #define CONFIG_SYS_DDR_SDRAM_BASE	0x00000000
103 #define CONFIG_SYS_SDRAM_BASE		CONFIG_SYS_DDR_SDRAM_BASE
104 #define CONFIG_VERY_BIG_RAM
105 
106 #define CONFIG_DIMM_SLOTS_PER_CTLR	1
107 #define CONFIG_CHIP_SELECTS_PER_CTRL	2
108 
109 /*
110  * The hardware fix for the I2C address collision puts the DDR
111  * SPD at 0x53, but if we are running on an older board w/o the
112  * fix, it will still be at 0x51.  We check 0x53 1st.
113  */
114 #define SPD_EEPROM_ADDRESS	0x51	/* CTLR 0 DIMM 0 */
115 #define ALT_SPD_EEPROM_ADDRESS	0x53	/* CTLR 0 DIMM 0 */
116 
117 /*
118  * Make sure required options are set
119  */
120 #ifndef CONFIG_SPD_EEPROM
121 	#define CONFIG_SYS_SDRAM_SIZE	256		/* DDR is 256MB */
122 	#define CONFIG_SYS_DDR_CONTROL	0xc300c000
123 #endif
124 
125 #undef CONFIG_CLOCKS_IN_MHZ
126 
127 /*
128  * FLASH on the Local Bus
129  * Two banks, one 8MB the other 64MB, using the CFI driver.
130  * JP12+SW2.8 are used to swap CS0 and CS6, defaults are to have
131  * CS0 the 8MB boot flash, and CS6 the 64MB flash.
132  *
133  *	Default:
134  *	ec00_0000	efff_ffff	64MB SODIMM
135  *	ff80_0000	ffff_ffff	8MB soldered flash
136  *
137  *	Alternate:
138  *	ef80_0000	efff_ffff	8MB soldered flash
139  *	fc00_0000	ffff_ffff	64MB SODIMM
140  *
141  * BR0_8M:
142  *    Base address 0 = 0xff80_0000 = BR0[0:16] = 1111 1111 1000 0000 0
143  *    Port Size = 8 bits = BRx[19:20] = 01
144  *    Use GPCM = BRx[24:26] = 000
145  *    Valid = BRx[31] = 1
146  *
147  * BR0_64M:
148  *    Base address 0 = 0xfc00_0000 = BR0[0:16] = 1111 1100 0000 0000 0
149  *    Port Size = 32 bits = BRx[19:20] = 11
150  *
151  * 0    4    8    12   16   20   24   28
152  * 1111 1111 1000 0000 0000 1000 0000 0001 = ff800801    BR0_8M
153  * 1111 1100 0000 0000 0001 1000 0000 0001 = fc001801    BR0_64M
154  */
155 #define CONFIG_SYS_BR0_8M	0xff800801
156 #define CONFIG_SYS_BR0_64M	0xfc001801
157 
158 /*
159  * BR6_8M:
160  *    Base address 6 = 0xef80_0000 = BR6[0:16] = 1110 1111 1000 0000 0
161  *    Port Size = 8 bits = BRx[19:20] = 01
162  *    Use GPCM = BRx[24:26] = 000
163  *    Valid = BRx[31] = 1
164 
165  * BR6_64M:
166  *    Base address 6 = 0xec00_0000 = BR6[0:16] = 1110 1100 0000 0000 0
167  *    Port Size = 32 bits = BRx[19:20] = 11
168  *
169  * 0    4    8    12   16   20   24   28
170  * 1110 1111 1000 0000 0000 1000 0000 0001 = ef800801    BR6_8M
171  * 1110 1100 0000 0000 0001 1000 0000 0001 = ec001801    BR6_64M
172  */
173 #define CONFIG_SYS_BR6_8M	0xef800801
174 #define CONFIG_SYS_BR6_64M	0xec001801
175 
176 /*
177  * OR0_8M:
178  *    Addr Mask = 8M = OR1[0:16] = 1111 1111 1000 0000 0
179  *    XAM = OR0[17:18] = 11
180  *    CSNT = OR0[20] = 1
181  *    ACS = half cycle delay = OR0[21:22] = 11
182  *    SCY = 6 = OR0[24:27] = 0110
183  *    TRLX = use relaxed timing = OR0[29] = 1
184  *    EAD = use external address latch delay = OR0[31] = 1
185  *
186  * OR0_64M:
187  *    Addr Mask = 64M = OR1[0:16] = 1111 1100 0000 0000 0
188  *
189  *
190  * 0    4    8    12   16   20   24   28
191  * 1111 1111 1000 0000 0110 1110 0110 0101 = ff806e65    OR0_8M
192  * 1111 1100 0000 0000 0110 1110 0110 0101 = fc006e65    OR0_64M
193  */
194 #define CONFIG_SYS_OR0_8M	0xff806e65
195 #define CONFIG_SYS_OR0_64M	0xfc006e65
196 
197 /*
198  * OR6_8M:
199  *    Addr Mask = 8M = OR6[0:16] = 1111 1111 1000 0000 0
200  *    XAM = OR6[17:18] = 11
201  *    CSNT = OR6[20] = 1
202  *    ACS = half cycle delay = OR6[21:22] = 11
203  *    SCY = 6 = OR6[24:27] = 0110
204  *    TRLX = use relaxed timing = OR6[29] = 1
205  *    EAD = use external address latch delay = OR6[31] = 1
206  *
207  * OR6_64M:
208  *    Addr Mask = 64M = OR6[0:16] = 1111 1100 0000 0000 0
209  *
210  * 0    4    8    12   16   20   24   28
211  * 1111 1111 1000 0000 0110 1110 0110 0101 = ff806e65    OR6_8M
212  * 1111 1100 0000 0000 0110 1110 0110 0101 = fc006e65    OR6_64M
213  */
214 #define CONFIG_SYS_OR6_8M	0xff806e65
215 #define CONFIG_SYS_OR6_64M	0xfc006e65
216 
217 #ifndef CONFIG_SYS_ALT_BOOT		/* JP12 in default position */
218 #define CONFIG_SYS_BOOT_BLOCK		0xff800000	/* start of 8MB Flash */
219 #define CONFIG_SYS_ALT_FLASH		0xec000000	/* 64MB "user" flash */
220 
221 #define CONFIG_SYS_BR0_PRELIM		CONFIG_SYS_BR0_8M
222 #define CONFIG_SYS_OR0_PRELIM		CONFIG_SYS_OR0_8M
223 
224 #define CONFIG_SYS_BR6_PRELIM		CONFIG_SYS_BR6_64M
225 #define CONFIG_SYS_OR6_PRELIM		CONFIG_SYS_OR6_64M
226 #else					/* JP12 in alternate position */
227 #define CONFIG_SYS_BOOT_BLOCK		0xfc000000	/* start 64MB Flash */
228 #define CONFIG_SYS_ALT_FLASH		0xef800000	/* 8MB soldered flash */
229 
230 #define CONFIG_SYS_BR0_PRELIM		CONFIG_SYS_BR0_64M
231 #define CONFIG_SYS_OR0_PRELIM		CONFIG_SYS_OR0_64M
232 
233 #define CONFIG_SYS_BR6_PRELIM		CONFIG_SYS_BR6_8M
234 #define CONFIG_SYS_OR6_PRELIM		CONFIG_SYS_OR6_8M
235 #endif
236 
237 #define CONFIG_SYS_FLASH_BASE		CONFIG_SYS_BOOT_BLOCK
238 #define CONFIG_SYS_FLASH_BANKS_LIST	{CONFIG_SYS_FLASH_BASE, \
239 					 CONFIG_SYS_ALT_FLASH}
240 #define CONFIG_SYS_MAX_FLASH_BANKS	2		/* number of banks */
241 #define CONFIG_SYS_MAX_FLASH_SECT	256		/* sectors per device */
242 #undef	CONFIG_SYS_FLASH_CHECKSUM
243 #define CONFIG_SYS_FLASH_ERASE_TOUT	60000	/* Flash Erase Timeout (ms) */
244 #define CONFIG_SYS_FLASH_WRITE_TOUT	500	/* Flash Write Timeout (ms) */
245 
246 #define CONFIG_SYS_MONITOR_BASE	CONFIG_SYS_TEXT_BASE	/* start of monitor */
247 
248 #define CONFIG_FLASH_CFI_DRIVER
249 #define CONFIG_SYS_FLASH_CFI
250 #define CONFIG_SYS_FLASH_EMPTY_INFO
251 
252 /* CS5 = Local bus peripherals controlled by the EPLD */
253 
254 #define CONFIG_SYS_BR5_PRELIM		0xf8000801
255 #define CONFIG_SYS_OR5_PRELIM		0xff006e65
256 #define CONFIG_SYS_EPLD_BASE		0xf8000000
257 #define CONFIG_SYS_LED_DISP_BASE	0xf8000000
258 #define CONFIG_SYS_USER_SWITCHES_BASE	0xf8100000
259 #define CONFIG_SYS_BD_REV		0xf8300000
260 #define CONFIG_SYS_EEPROM_BASE		0xf8b00000
261 
262 /*
263  * SDRAM on the Local Bus (CS3 and CS4)
264  * Note that most boards have a hardware errata where both the
265  * LBC SDRAM and the DDR2 SDRAM decode at 0x51, making it impossible
266  * to use CONFIG_DDR_SPD unless you physically remove the LBC DIMM.
267  * A hardware workaround is also available, see README.sbc8548 file.
268  */
269 #define CONFIG_SYS_LBC_SDRAM_BASE	0xf0000000	/* Localbus SDRAM */
270 #define CONFIG_SYS_LBC_SDRAM_SIZE	128		/* LBC SDRAM is 128MB */
271 
272 /*
273  * Base Register 3 and Option Register 3 configure the 1st 1/2 SDRAM.
274  * The SDRAM base address, CONFIG_SYS_LBC_SDRAM_BASE, is 0xf0000000.
275  *
276  * For BR3, need:
277  *    Base address of 0xf0000000 = BR[0:16] = 1111 0000 0000 0000 0
278  *    port-size = 32-bits = BR2[19:20] = 11
279  *    no parity checking = BR2[21:22] = 00
280  *    SDRAM for MSEL = BR2[24:26] = 011
281  *    Valid = BR[31] = 1
282  *
283  * 0    4    8    12   16   20   24   28
284  * 1111 0000 0000 0000 0001 1000 0110 0001 = f0001861
285  *
286  */
287 
288 #define CONFIG_SYS_BR3_PRELIM		0xf0001861
289 
290 /*
291  * The SDRAM size in MB, of 1/2 CONFIG_SYS_LBC_SDRAM_SIZE, is 64.
292  *
293  * For OR3, need:
294  *    64MB mask for AM, OR3[0:7] = 1111 1100
295  *		   XAM, OR3[17:18] = 11
296  *    10 columns OR3[19-21] = 011
297  *    12 rows   OR3[23-25] = 011
298  *    EAD set for extra time OR[31] = 0
299  *
300  * 0    4    8    12   16   20   24   28
301  * 1111 1100 0000 0000 0110 1100 1100 0000 = fc006cc0
302  */
303 
304 #define CONFIG_SYS_OR3_PRELIM		0xfc006cc0
305 
306 /*
307  * Base Register 4 and Option Register 4 configure the 2nd 1/2 SDRAM.
308  * The base address, (SDRAM_BASE + 1/2*SIZE), is 0xf4000000.
309  *
310  * For BR4, need:
311  *    Base address of 0xf4000000 = BR[0:16] = 1111 0100 0000 0000 0
312  *    port-size = 32-bits = BR2[19:20] = 11
313  *    no parity checking = BR2[21:22] = 00
314  *    SDRAM for MSEL = BR2[24:26] = 011
315  *    Valid = BR[31] = 1
316  *
317  * 0    4    8    12   16   20   24   28
318  * 1111 0000 0000 0000 0001 1000 0110 0001 = f4001861
319  *
320  */
321 
322 #define CONFIG_SYS_BR4_PRELIM		0xf4001861
323 
324 /*
325  * The SDRAM size in MB, of 1/2 CONFIG_SYS_LBC_SDRAM_SIZE, is 64.
326  *
327  * For OR4, need:
328  *    64MB mask for AM, OR3[0:7] = 1111 1100
329  *		   XAM, OR3[17:18] = 11
330  *    10 columns OR3[19-21] = 011
331  *    12 rows   OR3[23-25] = 011
332  *    EAD set for extra time OR[31] = 0
333  *
334  * 0    4    8    12   16   20   24   28
335  * 1111 1100 0000 0000 0110 1100 1100 0000 = fc006cc0
336  */
337 
338 #define CONFIG_SYS_OR4_PRELIM		0xfc006cc0
339 
340 #define CONFIG_SYS_LBC_LCRR		0x00000002    /* LB clock ratio reg */
341 #define CONFIG_SYS_LBC_LBCR		0x00000000    /* LB config reg */
342 #define CONFIG_SYS_LBC_LSRT		0x20000000  /* LB sdram refresh timer */
343 #define CONFIG_SYS_LBC_MRTPR		0x00000000  /* LB refresh timer prescal*/
344 
345 /*
346  * Common settings for all Local Bus SDRAM commands.
347  */
348 #define CONFIG_SYS_LBC_LSDMR_COMMON	( LSDMR_RFCR16		\
349 				| LSDMR_BSMA1516	\
350 				| LSDMR_PRETOACT3	\
351 				| LSDMR_ACTTORW3	\
352 				| LSDMR_BUFCMD		\
353 				| LSDMR_BL8		\
354 				| LSDMR_WRC2		\
355 				| LSDMR_CL3		\
356 				)
357 
358 #define CONFIG_SYS_LBC_LSDMR_PCHALL	\
359 	 (CONFIG_SYS_LBC_LSDMR_COMMON | LSDMR_OP_PCHALL)
360 #define CONFIG_SYS_LBC_LSDMR_ARFRSH	\
361 	 (CONFIG_SYS_LBC_LSDMR_COMMON | LSDMR_OP_ARFRSH)
362 #define CONFIG_SYS_LBC_LSDMR_MRW	\
363 	 (CONFIG_SYS_LBC_LSDMR_COMMON | LSDMR_OP_MRW)
364 #define CONFIG_SYS_LBC_LSDMR_RFEN	\
365 	 (CONFIG_SYS_LBC_LSDMR_COMMON | LSDMR_RFEN)
366 
367 #define CONFIG_SYS_INIT_RAM_LOCK	1
368 #define CONFIG_SYS_INIT_RAM_ADDR	0xe4010000	/* Initial RAM address */
369 #define CONFIG_SYS_INIT_RAM_SIZE	0x4000		/* Size of used area in RAM */
370 
371 #define CONFIG_SYS_INIT_L2_ADDR	0xf8f80000	/* relocate boot L2SRAM */
372 
373 #define CONFIG_SYS_GBL_DATA_OFFSET	(CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
374 #define CONFIG_SYS_INIT_SP_OFFSET	CONFIG_SYS_GBL_DATA_OFFSET
375 
376 /*
377  * For soldered on flash, (128kB/sector) we use 2 sectors for u-boot and
378  * one for env+bootpg (CONFIG_SYS_TEXT_BASE=0xfffa_0000, 384kB total).  For SODIMM
379  * flash (512kB/sector) we use 1 sector for u-boot, and one for env+bootpg
380  * (CONFIG_SYS_TEXT_BASE=0xfff0_0000, 1MB total).  This dynamically sets the right
381  * thing for MONITOR_LEN in both cases.
382  */
383 #define CONFIG_SYS_MONITOR_LEN		(~CONFIG_SYS_TEXT_BASE + 1)
384 #define CONFIG_SYS_MALLOC_LEN		(1024 * 1024) /* Reserved for malloc */
385 
386 /* Serial Port */
387 #define CONFIG_SYS_NS16550_SERIAL
388 #define CONFIG_SYS_NS16550_REG_SIZE	1
389 #define CONFIG_SYS_NS16550_CLK		(400000000 / CONFIG_SYS_CLK_DIV)
390 
391 #define CONFIG_SYS_BAUDRATE_TABLE \
392 	{300, 600, 1200, 2400, 4800, 9600, 19200, 38400,115200}
393 
394 #define CONFIG_SYS_NS16550_COM1	(CONFIG_SYS_CCSRBAR+0x4500)
395 #define CONFIG_SYS_NS16550_COM2	(CONFIG_SYS_CCSRBAR+0x4600)
396 
397 /*
398  * I2C
399  */
400 #define CONFIG_SYS_I2C
401 #define CONFIG_SYS_I2C_FSL
402 #define CONFIG_SYS_FSL_I2C_SPEED	400000
403 #define CONFIG_SYS_FSL_I2C_SLAVE	0x7F
404 #define CONFIG_SYS_FSL_I2C_OFFSET	0x3000
405 #define CONFIG_SYS_I2C_EEPROM_ADDR	0x50
406 
407 /*
408  * General PCI
409  * Memory space is mapped 1-1, but I/O space must start from 0.
410  */
411 #define CONFIG_SYS_PCI_VIRT		0x80000000	/* 1G PCI TLB */
412 #define CONFIG_SYS_PCI_PHYS		0x80000000	/* 1G PCI TLB */
413 
414 #define CONFIG_SYS_PCI1_MEM_VIRT	0x80000000
415 #define CONFIG_SYS_PCI1_MEM_BUS		0x80000000
416 #define CONFIG_SYS_PCI1_MEM_PHYS	0x80000000
417 #define CONFIG_SYS_PCI1_MEM_SIZE	0x20000000	/* 512M */
418 #define CONFIG_SYS_PCI1_IO_VIRT		0xe2000000
419 #define CONFIG_SYS_PCI1_IO_BUS		0x00000000
420 #define CONFIG_SYS_PCI1_IO_PHYS		0xe2000000
421 #define CONFIG_SYS_PCI1_IO_SIZE		0x00800000	/* 8M */
422 
423 #ifdef CONFIG_PCIE1
424 #define CONFIG_SYS_PCIE1_MEM_VIRT	0xa0000000
425 #define CONFIG_SYS_PCIE1_MEM_BUS	0xa0000000
426 #define CONFIG_SYS_PCIE1_MEM_PHYS	0xa0000000
427 #define CONFIG_SYS_PCIE1_MEM_SIZE	0x20000000	/* 512M */
428 #define CONFIG_SYS_PCIE1_IO_VIRT	0xe2800000
429 #define CONFIG_SYS_PCIE1_IO_BUS		0x00000000
430 #define CONFIG_SYS_PCIE1_IO_PHYS	0xe2800000
431 #define CONFIG_SYS_PCIE1_IO_SIZE	0x00800000	/* 8M */
432 #endif
433 
434 #ifdef CONFIG_RIO
435 /*
436  * RapidIO MMU
437  */
438 #define CONFIG_SYS_RIO_MEM_BASE	0xC0000000
439 #define CONFIG_SYS_RIO_MEM_SIZE	0x20000000	/* 512M */
440 #endif
441 
442 #if defined(CONFIG_PCI)
443 #undef CONFIG_EEPRO100
444 #undef CONFIG_TULIP
445 
446 #define CONFIG_PCI_SCAN_SHOW		/* show pci devices on startup */
447 
448 #endif	/* CONFIG_PCI */
449 
450 #if defined(CONFIG_TSEC_ENET)
451 
452 #define CONFIG_TSEC1	1
453 #define CONFIG_TSEC1_NAME	"eTSEC0"
454 #define CONFIG_TSEC2	1
455 #define CONFIG_TSEC2_NAME	"eTSEC1"
456 #undef CONFIG_MPC85XX_FEC
457 
458 #define TSEC1_PHY_ADDR		0x19
459 #define TSEC2_PHY_ADDR		0x1a
460 
461 #define TSEC1_PHYIDX		0
462 #define TSEC2_PHYIDX		0
463 
464 #define TSEC1_FLAGS		TSEC_GIGABIT
465 #define TSEC2_FLAGS		TSEC_GIGABIT
466 
467 /* Options are: eTSEC[0-3] */
468 #define CONFIG_ETHPRIME		"eTSEC0"
469 #endif	/* CONFIG_TSEC_ENET */
470 
471 /*
472  * Environment
473  */
474 #define CONFIG_ENV_SIZE		0x2000
475 #if CONFIG_SYS_TEXT_BASE == 0xfff00000	/* Boot from 64MB SODIMM */
476 #define CONFIG_ENV_ADDR		(CONFIG_SYS_MONITOR_BASE + 0x80000)
477 #define CONFIG_ENV_SECT_SIZE	0x80000	/* 512K(one sector) for env */
478 #elif CONFIG_SYS_TEXT_BASE == 0xfffa0000	/* Boot from 8MB soldered flash */
479 #define CONFIG_ENV_ADDR		(CONFIG_SYS_MONITOR_BASE + 0x40000)
480 #define CONFIG_ENV_SECT_SIZE	0x20000	/* 128K(one sector) for env */
481 #else
482 #warning undefined environment size/location.
483 #endif
484 
485 #define CONFIG_LOADS_ECHO	1	/* echo on for serial download */
486 #define CONFIG_SYS_LOADS_BAUD_CHANGE	1	/* allow baudrate change */
487 
488 /*
489  * BOOTP options
490  */
491 #define CONFIG_BOOTP_BOOTFILESIZE
492 
493 #undef CONFIG_WATCHDOG			/* watchdog disabled */
494 
495 /*
496  * Miscellaneous configurable options
497  */
498 #define CONFIG_SYS_LOAD_ADDR	0x2000000	/* default load address */
499 
500 /*
501  * For booting Linux, the board info and command line data
502  * have to be in the first 8 MB of memory, since this is
503  * the maximum mapped by the Linux kernel during initialization.
504  */
505 #define CONFIG_SYS_BOOTMAPSZ	(8 << 20)	/* Initial Memory map for Linux*/
506 
507 #if defined(CONFIG_CMD_KGDB)
508 #define CONFIG_KGDB_BAUDRATE	230400	/* speed to run kgdb serial port */
509 #endif
510 
511 /*
512  * Environment Configuration
513  */
514 #if defined(CONFIG_TSEC_ENET)
515 #define CONFIG_HAS_ETH0
516 #define CONFIG_HAS_ETH1
517 #endif
518 
519 #define CONFIG_IPADDR	 192.168.0.55
520 
521 #define CONFIG_HOSTNAME	 "sbc8548"
522 #define CONFIG_ROOTPATH	 "/opt/eldk/ppc_85xx"
523 #define CONFIG_BOOTFILE	 "/uImage"
524 #define CONFIG_UBOOTPATH /u-boot.bin	/* TFTP server */
525 
526 #define CONFIG_SERVERIP	 192.168.0.2
527 #define CONFIG_GATEWAYIP 192.168.0.1
528 #define CONFIG_NETMASK	 255.255.255.0
529 
530 #define CONFIG_LOADADDR	1000000	/*default location for tftp and bootm*/
531 
532 #define	CONFIG_EXTRA_ENV_SETTINGS				\
533 "netdev=eth0\0"						\
534 "uboot=" __stringify(CONFIG_UBOOTPATH) "\0"				\
535 "tftpflash=tftpboot $loadaddr $uboot; "			\
536 	"protect off " __stringify(CONFIG_SYS_TEXT_BASE) " +$filesize; " \
537 	"erase " __stringify(CONFIG_SYS_TEXT_BASE) " +$filesize; "	\
538 	"cp.b $loadaddr " __stringify(CONFIG_SYS_TEXT_BASE) " $filesize; " \
539 	"protect on " __stringify(CONFIG_SYS_TEXT_BASE) " +$filesize; "	\
540 	"cmp.b $loadaddr " __stringify(CONFIG_SYS_TEXT_BASE) " $filesize\0" \
541 "consoledev=ttyS0\0"				\
542 "ramdiskaddr=2000000\0"			\
543 "ramdiskfile=uRamdisk\0"			\
544 "fdtaddr=1e00000\0"				\
545 "fdtfile=sbc8548.dtb\0"
546 
547 #define CONFIG_NFSBOOTCOMMAND						\
548    "setenv bootargs root=/dev/nfs rw "					\
549       "nfsroot=$serverip:$rootpath "					\
550       "ip=$ipaddr:$serverip:$gatewayip:$netmask:$hostname:$netdev:off " \
551       "console=$consoledev,$baudrate $othbootargs;"			\
552    "tftp $loadaddr $bootfile;"						\
553    "tftp $fdtaddr $fdtfile;"						\
554    "bootm $loadaddr - $fdtaddr"
555 
556 #define CONFIG_RAMBOOTCOMMAND \
557    "setenv bootargs root=/dev/ram rw "					\
558       "console=$consoledev,$baudrate $othbootargs;"			\
559    "tftp $ramdiskaddr $ramdiskfile;"					\
560    "tftp $loadaddr $bootfile;"						\
561    "tftp $fdtaddr $fdtfile;"						\
562    "bootm $loadaddr $ramdiskaddr $fdtaddr"
563 
564 #define CONFIG_BOOTCOMMAND	CONFIG_RAMBOOTCOMMAND
565 
566 #endif	/* __CONFIG_H */
567