xref: /openbmc/u-boot/include/configs/sbc8548.h (revision 8f240a3b)
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  * SPDX-License-Identifier:	GPL-2.0+
7  */
8 
9 /*
10  * sbc8548 board configuration file
11  * Please refer to doc/README.sbc8548 for more info.
12  */
13 #ifndef __CONFIG_H
14 #define __CONFIG_H
15 
16 /*
17  * Top level Makefile configuration choices
18  */
19 #ifdef CONFIG_PCI
20 #define CONFIG_PCI_INDIRECT_BRIDGE
21 #define CONFIG_PCI1
22 #endif
23 
24 #ifdef CONFIG_66
25 #define CONFIG_SYS_CLK_DIV 1
26 #endif
27 
28 #ifdef CONFIG_33
29 #define CONFIG_SYS_CLK_DIV 2
30 #endif
31 
32 #ifdef CONFIG_PCIE
33 #define CONFIG_PCIE1
34 #endif
35 
36 /*
37  * High Level Configuration Options
38  */
39 
40 /*
41  * If you want to boot from the SODIMM flash, instead of the soldered
42  * on flash, set this, and change JP12, SW2:8 accordingly.
43  */
44 #undef CONFIG_SYS_ALT_BOOT
45 
46 #undef CONFIG_RIO
47 
48 #ifdef CONFIG_PCI
49 #define CONFIG_FSL_PCI_INIT		/* Use common FSL init code */
50 #define CONFIG_SYS_PCI_64BIT    1	/* enable 64-bit PCI resources */
51 #endif
52 #ifdef CONFIG_PCIE1
53 #define CONFIG_FSL_PCIE_RESET   1	/* need PCIe reset errata */
54 #endif
55 
56 #define CONFIG_TSEC_ENET		/* tsec ethernet support */
57 #define CONFIG_ENV_OVERWRITE
58 
59 #define CONFIG_INTERRUPTS		/* enable pci, srio, ddr interrupts */
60 
61 /*
62  * Below assumes that CCB:SYSCLK remains unchanged at 6:1 via SW2:[1-4]
63  */
64 #ifndef CONFIG_SYS_CLK_DIV
65 #define CONFIG_SYS_CLK_DIV	1	/* 2, if 33MHz PCI card installed */
66 #endif
67 #define CONFIG_SYS_CLK_FREQ	(66000000 / CONFIG_SYS_CLK_DIV)
68 
69 /*
70  * These can be toggled for performance analysis, otherwise use default.
71  */
72 #define CONFIG_L2_CACHE			/* toggle L2 cache */
73 #define CONFIG_BTB			/* toggle branch predition */
74 
75 /*
76  * Only possible on E500 Version 2 or newer cores.
77  */
78 #define CONFIG_ENABLE_36BIT_PHYS	1
79 
80 #undef	CONFIG_SYS_DRAM_TEST			/* memory test, takes time */
81 #define CONFIG_SYS_MEMTEST_START	0x00200000	/* memtest works on */
82 #define CONFIG_SYS_MEMTEST_END		0x00400000
83 
84 #define CONFIG_SYS_CCSRBAR		0xe0000000
85 #define CONFIG_SYS_CCSRBAR_PHYS_LOW	CONFIG_SYS_CCSRBAR
86 
87 /* DDR Setup */
88 #undef CONFIG_FSL_DDR_INTERACTIVE
89 #undef CONFIG_DDR_ECC			/* only for ECC DDR module */
90 /*
91  * A hardware errata caused the LBC SDRAM SPD and the DDR2 SPD
92  * to collide, meaning you couldn't reliably read either. So
93  * physically remove the LBC PC100 SDRAM module from the board
94  * before enabling the two SPD options below, or check that you
95  * have the hardware fix on your board via "i2c probe" and looking
96  * for a device at 0x53.
97  */
98 #undef CONFIG_SPD_EEPROM		/* Use SPD EEPROM for DDR setup */
99 #undef CONFIG_DDR_SPD
100 
101 #define CONFIG_ECC_INIT_VIA_DDRCONTROLLER	/* DDR controller or DMA? */
102 #define CONFIG_MEM_INIT_VALUE	0xDeadBeef
103 
104 #define CONFIG_SYS_DDR_SDRAM_BASE	0x00000000
105 #define CONFIG_SYS_SDRAM_BASE		CONFIG_SYS_DDR_SDRAM_BASE
106 #define CONFIG_VERY_BIG_RAM
107 
108 #define CONFIG_DIMM_SLOTS_PER_CTLR	1
109 #define CONFIG_CHIP_SELECTS_PER_CTRL	2
110 
111 /*
112  * The hardware fix for the I2C address collision puts the DDR
113  * SPD at 0x53, but if we are running on an older board w/o the
114  * fix, it will still be at 0x51.  We check 0x53 1st.
115  */
116 #define SPD_EEPROM_ADDRESS	0x51	/* CTLR 0 DIMM 0 */
117 #define ALT_SPD_EEPROM_ADDRESS	0x53	/* CTLR 0 DIMM 0 */
118 
119 /*
120  * Make sure required options are set
121  */
122 #ifndef CONFIG_SPD_EEPROM
123 	#define CONFIG_SYS_SDRAM_SIZE	256		/* DDR is 256MB */
124 	#define CONFIG_SYS_DDR_CONTROL	0xc300c000
125 #endif
126 
127 #undef CONFIG_CLOCKS_IN_MHZ
128 
129 /*
130  * FLASH on the Local Bus
131  * Two banks, one 8MB the other 64MB, using the CFI driver.
132  * JP12+SW2.8 are used to swap CS0 and CS6, defaults are to have
133  * CS0 the 8MB boot flash, and CS6 the 64MB flash.
134  *
135  *	Default:
136  *	ec00_0000	efff_ffff	64MB SODIMM
137  *	ff80_0000	ffff_ffff	8MB soldered flash
138  *
139  *	Alternate:
140  *	ef80_0000	efff_ffff	8MB soldered flash
141  *	fc00_0000	ffff_ffff	64MB SODIMM
142  *
143  * BR0_8M:
144  *    Base address 0 = 0xff80_0000 = BR0[0:16] = 1111 1111 1000 0000 0
145  *    Port Size = 8 bits = BRx[19:20] = 01
146  *    Use GPCM = BRx[24:26] = 000
147  *    Valid = BRx[31] = 1
148  *
149  * BR0_64M:
150  *    Base address 0 = 0xfc00_0000 = BR0[0:16] = 1111 1100 0000 0000 0
151  *    Port Size = 32 bits = BRx[19:20] = 11
152  *
153  * 0    4    8    12   16   20   24   28
154  * 1111 1111 1000 0000 0000 1000 0000 0001 = ff800801    BR0_8M
155  * 1111 1100 0000 0000 0001 1000 0000 0001 = fc001801    BR0_64M
156  */
157 #define CONFIG_SYS_BR0_8M	0xff800801
158 #define CONFIG_SYS_BR0_64M	0xfc001801
159 
160 /*
161  * BR6_8M:
162  *    Base address 6 = 0xef80_0000 = BR6[0:16] = 1110 1111 1000 0000 0
163  *    Port Size = 8 bits = BRx[19:20] = 01
164  *    Use GPCM = BRx[24:26] = 000
165  *    Valid = BRx[31] = 1
166 
167  * BR6_64M:
168  *    Base address 6 = 0xec00_0000 = BR6[0:16] = 1110 1100 0000 0000 0
169  *    Port Size = 32 bits = BRx[19:20] = 11
170  *
171  * 0    4    8    12   16   20   24   28
172  * 1110 1111 1000 0000 0000 1000 0000 0001 = ef800801    BR6_8M
173  * 1110 1100 0000 0000 0001 1000 0000 0001 = ec001801    BR6_64M
174  */
175 #define CONFIG_SYS_BR6_8M	0xef800801
176 #define CONFIG_SYS_BR6_64M	0xec001801
177 
178 /*
179  * OR0_8M:
180  *    Addr Mask = 8M = OR1[0:16] = 1111 1111 1000 0000 0
181  *    XAM = OR0[17:18] = 11
182  *    CSNT = OR0[20] = 1
183  *    ACS = half cycle delay = OR0[21:22] = 11
184  *    SCY = 6 = OR0[24:27] = 0110
185  *    TRLX = use relaxed timing = OR0[29] = 1
186  *    EAD = use external address latch delay = OR0[31] = 1
187  *
188  * OR0_64M:
189  *    Addr Mask = 64M = OR1[0:16] = 1111 1100 0000 0000 0
190  *
191  *
192  * 0    4    8    12   16   20   24   28
193  * 1111 1111 1000 0000 0110 1110 0110 0101 = ff806e65    OR0_8M
194  * 1111 1100 0000 0000 0110 1110 0110 0101 = fc006e65    OR0_64M
195  */
196 #define CONFIG_SYS_OR0_8M	0xff806e65
197 #define CONFIG_SYS_OR0_64M	0xfc006e65
198 
199 /*
200  * OR6_8M:
201  *    Addr Mask = 8M = OR6[0:16] = 1111 1111 1000 0000 0
202  *    XAM = OR6[17:18] = 11
203  *    CSNT = OR6[20] = 1
204  *    ACS = half cycle delay = OR6[21:22] = 11
205  *    SCY = 6 = OR6[24:27] = 0110
206  *    TRLX = use relaxed timing = OR6[29] = 1
207  *    EAD = use external address latch delay = OR6[31] = 1
208  *
209  * OR6_64M:
210  *    Addr Mask = 64M = OR6[0:16] = 1111 1100 0000 0000 0
211  *
212  * 0    4    8    12   16   20   24   28
213  * 1111 1111 1000 0000 0110 1110 0110 0101 = ff806e65    OR6_8M
214  * 1111 1100 0000 0000 0110 1110 0110 0101 = fc006e65    OR6_64M
215  */
216 #define CONFIG_SYS_OR6_8M	0xff806e65
217 #define CONFIG_SYS_OR6_64M	0xfc006e65
218 
219 #ifndef CONFIG_SYS_ALT_BOOT		/* JP12 in default position */
220 #define CONFIG_SYS_BOOT_BLOCK		0xff800000	/* start of 8MB Flash */
221 #define CONFIG_SYS_ALT_FLASH		0xec000000	/* 64MB "user" flash */
222 
223 #define CONFIG_SYS_BR0_PRELIM		CONFIG_SYS_BR0_8M
224 #define CONFIG_SYS_OR0_PRELIM		CONFIG_SYS_OR0_8M
225 
226 #define CONFIG_SYS_BR6_PRELIM		CONFIG_SYS_BR6_64M
227 #define CONFIG_SYS_OR6_PRELIM		CONFIG_SYS_OR6_64M
228 #else					/* JP12 in alternate position */
229 #define CONFIG_SYS_BOOT_BLOCK		0xfc000000	/* start 64MB Flash */
230 #define CONFIG_SYS_ALT_FLASH		0xef800000	/* 8MB soldered flash */
231 
232 #define CONFIG_SYS_BR0_PRELIM		CONFIG_SYS_BR0_64M
233 #define CONFIG_SYS_OR0_PRELIM		CONFIG_SYS_OR0_64M
234 
235 #define CONFIG_SYS_BR6_PRELIM		CONFIG_SYS_BR6_8M
236 #define CONFIG_SYS_OR6_PRELIM		CONFIG_SYS_OR6_8M
237 #endif
238 
239 #define CONFIG_SYS_FLASH_BASE		CONFIG_SYS_BOOT_BLOCK
240 #define CONFIG_SYS_FLASH_BANKS_LIST	{CONFIG_SYS_FLASH_BASE, \
241 					 CONFIG_SYS_ALT_FLASH}
242 #define CONFIG_SYS_MAX_FLASH_BANKS	2		/* number of banks */
243 #define CONFIG_SYS_MAX_FLASH_SECT	256		/* sectors per device */
244 #undef	CONFIG_SYS_FLASH_CHECKSUM
245 #define CONFIG_SYS_FLASH_ERASE_TOUT	60000	/* Flash Erase Timeout (ms) */
246 #define CONFIG_SYS_FLASH_WRITE_TOUT	500	/* Flash Write Timeout (ms) */
247 
248 #define CONFIG_SYS_MONITOR_BASE	CONFIG_SYS_TEXT_BASE	/* start of monitor */
249 
250 #define CONFIG_FLASH_CFI_DRIVER
251 #define CONFIG_SYS_FLASH_CFI
252 #define CONFIG_SYS_FLASH_EMPTY_INFO
253 
254 /* CS5 = Local bus peripherals controlled by the EPLD */
255 
256 #define CONFIG_SYS_BR5_PRELIM		0xf8000801
257 #define CONFIG_SYS_OR5_PRELIM		0xff006e65
258 #define CONFIG_SYS_EPLD_BASE		0xf8000000
259 #define CONFIG_SYS_LED_DISP_BASE	0xf8000000
260 #define CONFIG_SYS_USER_SWITCHES_BASE	0xf8100000
261 #define CONFIG_SYS_BD_REV		0xf8300000
262 #define CONFIG_SYS_EEPROM_BASE		0xf8b00000
263 
264 /*
265  * SDRAM on the Local Bus (CS3 and CS4)
266  * Note that most boards have a hardware errata where both the
267  * LBC SDRAM and the DDR2 SDRAM decode at 0x51, making it impossible
268  * to use CONFIG_DDR_SPD unless you physically remove the LBC DIMM.
269  * A hardware workaround is also available, see README.sbc8548 file.
270  */
271 #define CONFIG_SYS_LBC_SDRAM_BASE	0xf0000000	/* Localbus SDRAM */
272 #define CONFIG_SYS_LBC_SDRAM_SIZE	128		/* LBC SDRAM is 128MB */
273 
274 /*
275  * Base Register 3 and Option Register 3 configure the 1st 1/2 SDRAM.
276  * The SDRAM base address, CONFIG_SYS_LBC_SDRAM_BASE, is 0xf0000000.
277  *
278  * For BR3, need:
279  *    Base address of 0xf0000000 = BR[0:16] = 1111 0000 0000 0000 0
280  *    port-size = 32-bits = BR2[19:20] = 11
281  *    no parity checking = BR2[21:22] = 00
282  *    SDRAM for MSEL = BR2[24:26] = 011
283  *    Valid = BR[31] = 1
284  *
285  * 0    4    8    12   16   20   24   28
286  * 1111 0000 0000 0000 0001 1000 0110 0001 = f0001861
287  *
288  */
289 
290 #define CONFIG_SYS_BR3_PRELIM		0xf0001861
291 
292 /*
293  * The SDRAM size in MB, of 1/2 CONFIG_SYS_LBC_SDRAM_SIZE, is 64.
294  *
295  * For OR3, need:
296  *    64MB mask for AM, OR3[0:7] = 1111 1100
297  *		   XAM, OR3[17:18] = 11
298  *    10 columns OR3[19-21] = 011
299  *    12 rows   OR3[23-25] = 011
300  *    EAD set for extra time OR[31] = 0
301  *
302  * 0    4    8    12   16   20   24   28
303  * 1111 1100 0000 0000 0110 1100 1100 0000 = fc006cc0
304  */
305 
306 #define CONFIG_SYS_OR3_PRELIM		0xfc006cc0
307 
308 /*
309  * Base Register 4 and Option Register 4 configure the 2nd 1/2 SDRAM.
310  * The base address, (SDRAM_BASE + 1/2*SIZE), is 0xf4000000.
311  *
312  * For BR4, need:
313  *    Base address of 0xf4000000 = BR[0:16] = 1111 0100 0000 0000 0
314  *    port-size = 32-bits = BR2[19:20] = 11
315  *    no parity checking = BR2[21:22] = 00
316  *    SDRAM for MSEL = BR2[24:26] = 011
317  *    Valid = BR[31] = 1
318  *
319  * 0    4    8    12   16   20   24   28
320  * 1111 0000 0000 0000 0001 1000 0110 0001 = f4001861
321  *
322  */
323 
324 #define CONFIG_SYS_BR4_PRELIM		0xf4001861
325 
326 /*
327  * The SDRAM size in MB, of 1/2 CONFIG_SYS_LBC_SDRAM_SIZE, is 64.
328  *
329  * For OR4, need:
330  *    64MB mask for AM, OR3[0:7] = 1111 1100
331  *		   XAM, OR3[17:18] = 11
332  *    10 columns OR3[19-21] = 011
333  *    12 rows   OR3[23-25] = 011
334  *    EAD set for extra time OR[31] = 0
335  *
336  * 0    4    8    12   16   20   24   28
337  * 1111 1100 0000 0000 0110 1100 1100 0000 = fc006cc0
338  */
339 
340 #define CONFIG_SYS_OR4_PRELIM		0xfc006cc0
341 
342 #define CONFIG_SYS_LBC_LCRR		0x00000002    /* LB clock ratio reg */
343 #define CONFIG_SYS_LBC_LBCR		0x00000000    /* LB config reg */
344 #define CONFIG_SYS_LBC_LSRT		0x20000000  /* LB sdram refresh timer */
345 #define CONFIG_SYS_LBC_MRTPR		0x00000000  /* LB refresh timer prescal*/
346 
347 /*
348  * Common settings for all Local Bus SDRAM commands.
349  */
350 #define CONFIG_SYS_LBC_LSDMR_COMMON	( LSDMR_RFCR16		\
351 				| LSDMR_BSMA1516	\
352 				| LSDMR_PRETOACT3	\
353 				| LSDMR_ACTTORW3	\
354 				| LSDMR_BUFCMD		\
355 				| LSDMR_BL8		\
356 				| LSDMR_WRC2		\
357 				| LSDMR_CL3		\
358 				)
359 
360 #define CONFIG_SYS_LBC_LSDMR_PCHALL	\
361 	 (CONFIG_SYS_LBC_LSDMR_COMMON | LSDMR_OP_PCHALL)
362 #define CONFIG_SYS_LBC_LSDMR_ARFRSH	\
363 	 (CONFIG_SYS_LBC_LSDMR_COMMON | LSDMR_OP_ARFRSH)
364 #define CONFIG_SYS_LBC_LSDMR_MRW	\
365 	 (CONFIG_SYS_LBC_LSDMR_COMMON | LSDMR_OP_MRW)
366 #define CONFIG_SYS_LBC_LSDMR_RFEN	\
367 	 (CONFIG_SYS_LBC_LSDMR_COMMON | LSDMR_RFEN)
368 
369 #define CONFIG_SYS_INIT_RAM_LOCK	1
370 #define CONFIG_SYS_INIT_RAM_ADDR	0xe4010000	/* Initial RAM address */
371 #define CONFIG_SYS_INIT_RAM_SIZE	0x4000		/* Size of used area in RAM */
372 
373 #define CONFIG_SYS_INIT_L2_ADDR	0xf8f80000	/* relocate boot L2SRAM */
374 
375 #define CONFIG_SYS_GBL_DATA_OFFSET	(CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
376 #define CONFIG_SYS_INIT_SP_OFFSET	CONFIG_SYS_GBL_DATA_OFFSET
377 
378 /*
379  * For soldered on flash, (128kB/sector) we use 2 sectors for u-boot and
380  * one for env+bootpg (CONFIG_SYS_TEXT_BASE=0xfffa_0000, 384kB total).  For SODIMM
381  * flash (512kB/sector) we use 1 sector for u-boot, and one for env+bootpg
382  * (CONFIG_SYS_TEXT_BASE=0xfff0_0000, 1MB total).  This dynamically sets the right
383  * thing for MONITOR_LEN in both cases.
384  */
385 #define CONFIG_SYS_MONITOR_LEN		(~CONFIG_SYS_TEXT_BASE + 1)
386 #define CONFIG_SYS_MALLOC_LEN		(1024 * 1024) /* Reserved for malloc */
387 
388 /* Serial Port */
389 #define CONFIG_SYS_NS16550_SERIAL
390 #define CONFIG_SYS_NS16550_REG_SIZE	1
391 #define CONFIG_SYS_NS16550_CLK		(400000000 / CONFIG_SYS_CLK_DIV)
392 
393 #define CONFIG_SYS_BAUDRATE_TABLE \
394 	{300, 600, 1200, 2400, 4800, 9600, 19200, 38400,115200}
395 
396 #define CONFIG_SYS_NS16550_COM1	(CONFIG_SYS_CCSRBAR+0x4500)
397 #define CONFIG_SYS_NS16550_COM2	(CONFIG_SYS_CCSRBAR+0x4600)
398 
399 /*
400  * I2C
401  */
402 #define CONFIG_SYS_I2C
403 #define CONFIG_SYS_I2C_FSL
404 #define CONFIG_SYS_FSL_I2C_SPEED	400000
405 #define CONFIG_SYS_FSL_I2C_SLAVE	0x7F
406 #define CONFIG_SYS_FSL_I2C_OFFSET	0x3000
407 #define CONFIG_SYS_I2C_EEPROM_ADDR	0x50
408 
409 /*
410  * General PCI
411  * Memory space is mapped 1-1, but I/O space must start from 0.
412  */
413 #define CONFIG_SYS_PCI_VIRT		0x80000000	/* 1G PCI TLB */
414 #define CONFIG_SYS_PCI_PHYS		0x80000000	/* 1G PCI TLB */
415 
416 #define CONFIG_SYS_PCI1_MEM_VIRT	0x80000000
417 #define CONFIG_SYS_PCI1_MEM_BUS		0x80000000
418 #define CONFIG_SYS_PCI1_MEM_PHYS	0x80000000
419 #define CONFIG_SYS_PCI1_MEM_SIZE	0x20000000	/* 512M */
420 #define CONFIG_SYS_PCI1_IO_VIRT		0xe2000000
421 #define CONFIG_SYS_PCI1_IO_BUS		0x00000000
422 #define CONFIG_SYS_PCI1_IO_PHYS		0xe2000000
423 #define CONFIG_SYS_PCI1_IO_SIZE		0x00800000	/* 8M */
424 
425 #ifdef CONFIG_PCIE1
426 #define CONFIG_SYS_PCIE1_MEM_VIRT	0xa0000000
427 #define CONFIG_SYS_PCIE1_MEM_BUS	0xa0000000
428 #define CONFIG_SYS_PCIE1_MEM_PHYS	0xa0000000
429 #define CONFIG_SYS_PCIE1_MEM_SIZE	0x20000000	/* 512M */
430 #define CONFIG_SYS_PCIE1_IO_VIRT	0xe2800000
431 #define CONFIG_SYS_PCIE1_IO_BUS		0x00000000
432 #define CONFIG_SYS_PCIE1_IO_PHYS	0xe2800000
433 #define CONFIG_SYS_PCIE1_IO_SIZE	0x00800000	/* 8M */
434 #endif
435 
436 #ifdef CONFIG_RIO
437 /*
438  * RapidIO MMU
439  */
440 #define CONFIG_SYS_RIO_MEM_BASE	0xC0000000
441 #define CONFIG_SYS_RIO_MEM_SIZE	0x20000000	/* 512M */
442 #endif
443 
444 #if defined(CONFIG_PCI)
445 #undef CONFIG_EEPRO100
446 #undef CONFIG_TULIP
447 
448 #define CONFIG_PCI_SCAN_SHOW		/* show pci devices on startup */
449 
450 #endif	/* CONFIG_PCI */
451 
452 #if defined(CONFIG_TSEC_ENET)
453 
454 #define CONFIG_MII		1	/* MII PHY management */
455 #define CONFIG_TSEC1	1
456 #define CONFIG_TSEC1_NAME	"eTSEC0"
457 #define CONFIG_TSEC2	1
458 #define CONFIG_TSEC2_NAME	"eTSEC1"
459 #undef CONFIG_MPC85XX_FEC
460 
461 #define TSEC1_PHY_ADDR		0x19
462 #define TSEC2_PHY_ADDR		0x1a
463 
464 #define TSEC1_PHYIDX		0
465 #define TSEC2_PHYIDX		0
466 
467 #define TSEC1_FLAGS		TSEC_GIGABIT
468 #define TSEC2_FLAGS		TSEC_GIGABIT
469 
470 /* Options are: eTSEC[0-3] */
471 #define CONFIG_ETHPRIME		"eTSEC0"
472 #endif	/* CONFIG_TSEC_ENET */
473 
474 /*
475  * Environment
476  */
477 #define CONFIG_ENV_SIZE		0x2000
478 #if CONFIG_SYS_TEXT_BASE == 0xfff00000	/* Boot from 64MB SODIMM */
479 #define CONFIG_ENV_ADDR		(CONFIG_SYS_MONITOR_BASE + 0x80000)
480 #define CONFIG_ENV_SECT_SIZE	0x80000	/* 512K(one sector) for env */
481 #elif CONFIG_SYS_TEXT_BASE == 0xfffa0000	/* Boot from 8MB soldered flash */
482 #define CONFIG_ENV_ADDR		(CONFIG_SYS_MONITOR_BASE + 0x40000)
483 #define CONFIG_ENV_SECT_SIZE	0x20000	/* 128K(one sector) for env */
484 #else
485 #warning undefined environment size/location.
486 #endif
487 
488 #define CONFIG_LOADS_ECHO	1	/* echo on for serial download */
489 #define CONFIG_SYS_LOADS_BAUD_CHANGE	1	/* allow baudrate change */
490 
491 /*
492  * BOOTP options
493  */
494 #define CONFIG_BOOTP_BOOTFILESIZE
495 
496 #undef CONFIG_WATCHDOG			/* watchdog disabled */
497 
498 /*
499  * Miscellaneous configurable options
500  */
501 #define CONFIG_SYS_LOAD_ADDR	0x2000000	/* default load address */
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 #endif
513 
514 /*
515  * Environment Configuration
516  */
517 #if defined(CONFIG_TSEC_ENET)
518 #define CONFIG_HAS_ETH0
519 #define CONFIG_HAS_ETH1
520 #endif
521 
522 #define CONFIG_IPADDR	 192.168.0.55
523 
524 #define CONFIG_HOSTNAME	 sbc8548
525 #define CONFIG_ROOTPATH	 "/opt/eldk/ppc_85xx"
526 #define CONFIG_BOOTFILE	 "/uImage"
527 #define CONFIG_UBOOTPATH /u-boot.bin	/* TFTP server */
528 
529 #define CONFIG_SERVERIP	 192.168.0.2
530 #define CONFIG_GATEWAYIP 192.168.0.1
531 #define CONFIG_NETMASK	 255.255.255.0
532 
533 #define CONFIG_LOADADDR	1000000	/*default location for tftp and bootm*/
534 
535 #define	CONFIG_EXTRA_ENV_SETTINGS				\
536 "netdev=eth0\0"						\
537 "uboot=" __stringify(CONFIG_UBOOTPATH) "\0"				\
538 "tftpflash=tftpboot $loadaddr $uboot; "			\
539 	"protect off " __stringify(CONFIG_SYS_TEXT_BASE) " +$filesize; " \
540 	"erase " __stringify(CONFIG_SYS_TEXT_BASE) " +$filesize; "	\
541 	"cp.b $loadaddr " __stringify(CONFIG_SYS_TEXT_BASE) " $filesize; " \
542 	"protect on " __stringify(CONFIG_SYS_TEXT_BASE) " +$filesize; "	\
543 	"cmp.b $loadaddr " __stringify(CONFIG_SYS_TEXT_BASE) " $filesize\0" \
544 "consoledev=ttyS0\0"				\
545 "ramdiskaddr=2000000\0"			\
546 "ramdiskfile=uRamdisk\0"			\
547 "fdtaddr=1e00000\0"				\
548 "fdtfile=sbc8548.dtb\0"
549 
550 #define CONFIG_NFSBOOTCOMMAND						\
551    "setenv bootargs root=/dev/nfs rw "					\
552       "nfsroot=$serverip:$rootpath "					\
553       "ip=$ipaddr:$serverip:$gatewayip:$netmask:$hostname:$netdev:off " \
554       "console=$consoledev,$baudrate $othbootargs;"			\
555    "tftp $loadaddr $bootfile;"						\
556    "tftp $fdtaddr $fdtfile;"						\
557    "bootm $loadaddr - $fdtaddr"
558 
559 #define CONFIG_RAMBOOTCOMMAND \
560    "setenv bootargs root=/dev/ram rw "					\
561       "console=$consoledev,$baudrate $othbootargs;"			\
562    "tftp $ramdiskaddr $ramdiskfile;"					\
563    "tftp $loadaddr $bootfile;"						\
564    "tftp $fdtaddr $fdtfile;"						\
565    "bootm $loadaddr $ramdiskaddr $fdtaddr"
566 
567 #define CONFIG_BOOTCOMMAND	CONFIG_RAMBOOTCOMMAND
568 
569 #endif	/* __CONFIG_H */
570