1 /*
2  * (C) Copyright 2001
3  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4  *
5  * (C) Copyright 2002
6  * Gregory E. Allen, gallen@arlut.utexas.edu
7  * Matthew E. Karger, karger@arlut.utexas.edu
8  * Applied Research Laboratories, The University of Texas at Austin
9  *
10  * See file CREDITS for list of people who contributed to this
11  * project.
12  *
13  * This program is free software; you can redistribute it and/or
14  * modify it under the terms of the GNU General Public License as
15  * published by the Free Software Foundation; either version 2 of
16  * the License, or (at your option) any later version.
17  *
18  * This program is distributed in the hope that it will be useful,
19  * but WITHOUT ANY WARRANTY; without even the implied warranty of
20  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
21  * GNU General Public License for more details.
22  *
23  * You should have received a copy of the GNU General Public License
24  * along with this program; if not, write to the Free Software
25  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
26  * MA 02111-1307 USA
27  */
28 
29 /*
30  *
31  * Configuration settings for the utx8245 board.
32  *
33  */
34 
35 /* ------------------------------------------------------------------------- */
36 
37 /*
38  * board/config.h - configuration options, board specific
39  */
40 
41 #ifndef __CONFIG_H
42 #define __CONFIG_H
43 
44 /*
45  * High Level Configuration Options
46  * (easy to change)
47  */
48 
49 #define CONFIG_MPC824X		1
50 #define CONFIG_MPC8245		1
51 #define CONFIG_UTX8245		1
52 #define DEBUG				1
53 
54 #define CONFIG_IDENT_STRING     " [UTX5] "
55 
56 #define CONFIG_CONS_INDEX	1
57 #define CONFIG_BAUDRATE		57600
58 #define CONFIG_SYS_BAUDRATE_TABLE	{ 9600, 19200, 38400, 57600, 115200 }
59 
60 #define CONFIG_BOOTDELAY	2
61 #define CONFIG_AUTOBOOT_PROMPT	"autoboot in %d seconds\n", bootdelay
62 #define CONFIG_BOOTCOMMAND	"run nfsboot"	/* autoboot command	*/
63 #define CONFIG_BOOTARGS		"root=/dev/ram console=ttyS0,57600" /* RAMdisk */
64 #define CONFIG_ETHADDR		00:AA:00:14:00:05	/* UTX5 */
65 #define CONFIG_SERVERIP		10.8.17.105	/* Spree */
66 #define CONFIG_SYS_TFTP_LOADADDR	10000
67 
68 #define CONFIG_EXTRA_ENV_SETTINGS \
69 	"kernel_addr=FFA00000\0" \
70 	"ramdisk_addr=FF800000\0" \
71 	"u-boot_startaddr=FFB00000\0" \
72 	"u-boot_endaddr=FFB2FFFF\0" \
73 	"nfsargs=setenv bootargs console=ttyS0,${baudrate} root=/dev/nfs rw \
74 nfsroot=${nfsrootip}:${rootpath} ip=dhcp\0" \
75 	"ramargs=setenv bootargs console=ttyS0,${baudrate} root=/dev/ram0\0" \
76 	"smargs=setenv bootargs console=ttyS0,${baudrate} root=/dev/mtdblock1 ro\0" \
77 	"fwargs=setenv bootargs console=ttyS0,${baudrate} root=/dev/sda2 ro\0" \
78 	"nfsboot=run nfsargs;bootm ${kernel_addr}\0" \
79 	"ramboot=run ramargs;bootm ${kernel_addr} ${ramdisk_addr}\0" \
80 	"smboot=run smargs;bootm ${kernel_addr} ${ramdisk_addr}\0" \
81 	"fwboot=run fwargs;bootm ${kernel_addr} ${ramdisk_addr}\0" \
82 	"update_u-boot=tftp ${loadaddr} /bdi2000/u-boot.bin;protect off \
83 ${u-boot_startaddr} ${u-boot_endaddr};era ${u-boot_startaddr} \
84 ${u-boot_endaddr};cp.b ${loadaddr} ${u-boot_startaddr} ${filesize};\
85 protect on ${u-boot_startaddr} ${u-boot_endaddr}"
86 
87 #define CONFIG_ENV_OVERWRITE
88 
89 
90 /*
91  * BOOTP options
92  */
93 #define CONFIG_BOOTP_BOOTFILESIZE
94 #define CONFIG_BOOTP_BOOTPATH
95 #define CONFIG_BOOTP_GATEWAY
96 #define CONFIG_BOOTP_HOSTNAME
97 
98 
99 /*
100  * Command line configuration.
101  */
102 #include <config_cmd_default.h>
103 
104 #define CONFIG_CMD_BDI
105 #define CONFIG_CMD_PCI
106 #define CONFIG_CMD_FLASH
107 #define CONFIG_CMD_MEMORY
108 #define CONFIG_CMD_SAVEENV
109 #define CONFIG_CMD_CONSOLE
110 #define CONFIG_CMD_LOADS
111 #define CONFIG_CMD_LOADB
112 #define CONFIG_CMD_IMI
113 #define CONFIG_CMD_CACHE
114 #define CONFIG_CMD_REGINFO
115 #define CONFIG_CMD_NET
116 #define CONFIG_CMD_DHCP
117 #define CONFIG_CMD_I2C
118 #define CONFIG_CMD_DATE
119 
120 
121 /*
122  * Miscellaneous configurable options
123  */
124 #define CONFIG_SYS_LONGHELP				/* undef to save memory		*/
125 #define CONFIG_SYS_PROMPT	"=> "			/* Monitor Command Prompt	*/
126 #define CONFIG_SYS_CBSIZE	256				/* Console I/O Buffer Size	*/
127 
128 /* Print Buffer Size */
129 #define CONFIG_SYS_PBSIZE	(CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
130 
131 #define	CONFIG_SYS_MAXARGS	16		/* max number of command args	*/
132 #define CONFIG_SYS_BARGSIZE	CONFIG_SYS_CBSIZE	/* Boot Argument Buffer Size	*/
133 #define CONFIG_SYS_LOAD_ADDR	0x00100000	/* Default load address		*/
134 
135 
136 /*-----------------------------------------------------------------------
137  * PCI configuration
138  *-----------------------------------------------------------------------
139  */
140 #define CONFIG_PCI				/* include pci support		*/
141 #undef CONFIG_PCI_PNP
142 #define CONFIG_PCI_SCAN_SHOW
143 #define CONFIG_NET_MULTI
144 #define CONFIG_EEPRO100
145 #define CONFIG_SYS_RX_ETH_BUFFER	8               /* use 8 rx buffer on eepro100  */
146 #define CONFIG_EEPRO100_SROM_WRITE
147 
148 #define PCI_ENET0_IOADDR	0xF0000000
149 #define PCI_ENET0_MEMADDR	0xF0000000
150 
151 #define PCI_FIREWIRE_IOADDR		0xF1000000
152 #define PCI_FIREWIRE_MEMADDR	0xF1000000
153 /*
154 #define PCI_ENET0_IOADDR	0xFE000000
155 #define PCI_ENET0_MEMADDR	0x80000000
156 
157 #define PCI_FIREWIRE_IOADDR	0x81000000
158 #define PCI_FIREWIRE_MEMADDR	0x81000000
159 */
160 
161 /*-----------------------------------------------------------------------
162  * Start addresses for the final memory configuration
163  * (Set up by the startup code)
164  * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
165  */
166 #define CONFIG_SYS_SDRAM_BASE	    0x00000000
167 #define CONFIG_SYS_MAX_RAM_SIZE    0x10000000	/* 256MB  */
168 /*#define CONFIG_SYS_VERY_BIG_RAM	1 */
169 
170 /* FLASH_BASE is FF800000, with 4MB on RCS0, but the reset vector
171  * is actually located at FFF00100.  Therefore, U-Boot is
172  * physically located at 0xFFB0_0000, but is also mirrored at
173  * 0xFFF0_0000.
174  */
175 #define CONFIG_SYS_RESET_ADDRESS   0xFFF00100
176 
177 #define CONFIG_SYS_EUMB_ADDR	    0xFC000000
178 
179 #define CONFIG_SYS_MONITOR_BASE    TEXT_BASE
180 
181 #define CONFIG_SYS_MONITOR_LEN	    (256 << 10) /* Reserve 256 kB for Monitor	*/
182 #define CONFIG_SYS_MALLOC_LEN	    (128 << 10) /* Reserve 128 kB for malloc()	*/
183 
184 /*#define CONFIG_SYS_DRAM_TEST		1 */
185 #define CONFIG_SYS_MEMTEST_START   0x00003000	/* memtest works on	0...256 MB	*/
186 #define CONFIG_SYS_MEMTEST_END	    0x0ff8ffa7	/* in SDRAM, skips exception */
187 										/* vectors and U-Boot */
188 
189 
190 /*--------------------------------------------------------------------
191  * Definitions for initial stack pointer and data area
192  *------------------------------------------------------------------*/
193 #define CONFIG_SYS_INIT_DATA_SIZE    128	/* Size in bytes reserved for */
194 									/* initial data */
195 #define CONFIG_SYS_INIT_RAM_ADDR     0x40000000
196 #define CONFIG_SYS_INIT_RAM_END      0x1000
197 #define CONFIG_SYS_INIT_DATA_OFFSET  (CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_INIT_DATA_SIZE)
198 #define CONFIG_SYS_GBL_DATA_SIZE	128
199 #define CONFIG_SYS_GBL_DATA_OFFSET  (CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE)
200 
201 /*--------------------------------------------------------------------
202  * NS16550 Configuration
203  *------------------------------------------------------------------*/
204 #define CONFIG_SYS_NS16550
205 #define CONFIG_SYS_NS16550_SERIAL
206 
207 #define CONFIG_SYS_NS16550_REG_SIZE	1
208 
209 #if (CONFIG_CONS_INDEX == 1 || CONFIG_CONS_INDEX == 2)
210 #	define CONFIG_SYS_NS16550_CLK		get_bus_freq(0)
211 #else
212 #	define CONFIG_SYS_NS16550_CLK 33000000
213 #endif
214 
215 #define CONFIG_SYS_NS16550_COM1	(CONFIG_SYS_EUMB_ADDR + 0x4500)
216 #define CONFIG_SYS_NS16550_COM2	(CONFIG_SYS_EUMB_ADDR + 0x4600)
217 #define CONFIG_SYS_NS16550_COM3	0xFF000000
218 #define CONFIG_SYS_NS16550_COM4	0xFF000008
219 
220 /*--------------------------------------------------------------------
221  * Low Level Configuration Settings
222  * (address mappings, register initial values, etc.)
223  * You should know what you are doing if you make changes here.
224  * For the detail description refer to the MPC8240 user's manual.
225  *------------------------------------------------------------------*/
226 
227 #define CONFIG_SYS_CLK_FREQ  33000000
228 #define CONFIG_SYS_HZ				1000
229 
230 /*#define CONFIG_SYS_ETH_DEV_FN	     0x7800 */
231 /*#define CONFIG_SYS_ETH_IOBASE	     0x00104000 */
232 
233 /*--------------------------------------------------------------------
234  * I2C Configuration
235  *------------------------------------------------------------------*/
236 #if 1
237 #define CONFIG_HARD_I2C		1		/* To enable I2C support	*/
238 #undef  CONFIG_SOFT_I2C				/* I2C bit-banged		*/
239 #define CONFIG_SYS_I2C_SPEED		400000		/* I2C speed and slave address	*/
240 #define CONFIG_SYS_I2C_SLAVE		0x7F
241 #endif
242 
243 #define CONFIG_RTC_PCF8563	1		/* enable I2C support for */
244 									/* Philips PCF8563 RTC */
245 #define CONFIG_SYS_I2C_RTC_ADDR	0x51	/* Philips PCF8563 RTC address */
246 
247 /*--------------------------------------------------------------------
248  *	Memory Control Configuration Register values
249  *	- see sec. 4.12 of MPC8245 UM
250  *------------------------------------------------------------------*/
251 
252 /**** MCCR1 ****/
253 #define CONFIG_SYS_ROMNAL	    0
254 #define CONFIG_SYS_ROMFAL	    10		/* (tacc=70ns)*mem_freq - 2,
255 									mem_freq = 100MHz */
256 
257 #define CONFIG_SYS_BANK7_ROW	0		/* SDRAM bank 7-0 row address */
258 #define CONFIG_SYS_BANK6_ROW	0		/*	bit count */
259 #define CONFIG_SYS_BANK5_ROW	0
260 #define CONFIG_SYS_BANK4_ROW	0
261 #define CONFIG_SYS_BANK3_ROW	0
262 #define CONFIG_SYS_BANK2_ROW	0
263 #define CONFIG_SYS_BANK1_ROW	2
264 #define CONFIG_SYS_BANK0_ROW	2
265 
266 /**** MCCR2, refresh interval clock cycles ****/
267 #define CONFIG_SYS_REFINT	    480	    /* 33 MHz SDRAM clock was 480 */
268 
269 /* Burst To Precharge. Bits of this value go to MCCR3 and MCCR4. */
270 #define CONFIG_SYS_BSTOPRE	    1023	/* burst to precharge[0..9], */
271 								/* sets open page interval */
272 
273 /**** MCCR3 ****/
274 #define CONFIG_SYS_REFREC	    7	    /* Refresh to activate interval, trc */
275 
276 /**** MCCR4 ****/
277 #define CONFIG_SYS_PRETOACT	    2	    /* trp */
278 #define CONFIG_SYS_ACTTOPRE	    7	    /* trcd + (burst length - 1) + trdl */
279 #define CONFIG_SYS_SDMODE_CAS_LAT  3	    /* SDMODE CAS latancy */
280 #define CONFIG_SYS_SDMODE_WRAP	    0	    /* SDMODE wrap type, sequential */
281 #define CONFIG_SYS_ACTORW		2		/* trcd min */
282 #define CONFIG_SYS_DBUS_SIZE2		1		/* set for 8-bit RCS1, clear for 32,64 */
283 #define CONFIG_SYS_REGISTERD_TYPE_BUFFER 1
284 #define CONFIG_SYS_EXTROM	    0			/* we don't need extended ROM space */
285 #define CONFIG_SYS_REGDIMM	    0
286 
287 /* calculate according to formula in sec. 6-22 of 8245 UM */
288 #define CONFIG_SYS_PGMAX           50		/* how long the 8245 retains the */
289 									/* currently accessed page in memory */
290 									/* was 45 */
291 
292 #define CONFIG_SYS_SDRAM_DSCD	0x20	/* SDRAM data in sample clock delay - note */
293 								/* bits 7,6, and 3-0 MUST be 0 */
294 
295 #if 0
296 #define CONFIG_SYS_DLL_MAX_DELAY	0x04
297 #else
298 #define CONFIG_SYS_DLL_MAX_DELAY	0
299 #endif
300 #if 0							/* need for 33MHz SDRAM */
301 #define CONFIG_SYS_DLL_EXTEND	0x80
302 #else
303 #define CONFIG_SYS_DLL_EXTEND	0
304 #endif
305 #define CONFIG_SYS_PCI_HOLD_DEL 0x20
306 
307 
308 /* Memory bank settings.
309  * Only bits 20-29 are actually used from these values to set the
310  * start/end addresses. The upper two bits will always be 0, and the lower
311  * 20 bits will be 0x00000 for a start address, or 0xfffff for an end
312  * address. Refer to the MPC8245 user manual.
313  */
314 
315 #define CONFIG_SYS_BANK0_START	    0x00000000
316 #define CONFIG_SYS_BANK0_END	    (CONFIG_SYS_MAX_RAM_SIZE/2 - 1)
317 #define CONFIG_SYS_BANK0_ENABLE    1
318 #define CONFIG_SYS_BANK1_START	    CONFIG_SYS_MAX_RAM_SIZE/2
319 #define CONFIG_SYS_BANK1_END	    (CONFIG_SYS_MAX_RAM_SIZE - 1)
320 #define CONFIG_SYS_BANK1_ENABLE    1
321 #define CONFIG_SYS_BANK2_START	    0x3ff00000		/* not available in this design */
322 #define CONFIG_SYS_BANK2_END	    0x3fffffff
323 #define CONFIG_SYS_BANK2_ENABLE    0
324 #define CONFIG_SYS_BANK3_START	    0x3ff00000
325 #define CONFIG_SYS_BANK3_END	    0x3fffffff
326 #define CONFIG_SYS_BANK3_ENABLE    0
327 #define CONFIG_SYS_BANK4_START	    0x3ff00000
328 #define CONFIG_SYS_BANK4_END	    0x3fffffff
329 #define CONFIG_SYS_BANK4_ENABLE    0
330 #define CONFIG_SYS_BANK5_START	    0x3ff00000
331 #define CONFIG_SYS_BANK5_END	    0x3fffffff
332 #define CONFIG_SYS_BANK5_ENABLE    0
333 #define CONFIG_SYS_BANK6_START	    0x3ff00000
334 #define CONFIG_SYS_BANK6_END	    0x3fffffff
335 #define CONFIG_SYS_BANK6_ENABLE    0
336 #define CONFIG_SYS_BANK7_START	    0x3ff00000
337 #define CONFIG_SYS_BANK7_END	    0x3fffffff
338 #define CONFIG_SYS_BANK7_ENABLE    0
339 
340 /*--------------------------------------------------------------------*/
341 /* 4.4 - Output Driver Control Register */
342 /*--------------------------------------------------------------------*/
343 #define CONFIG_SYS_ODCR	    0xe5
344 
345 /*--------------------------------------------------------------------*/
346 /* 4.8 - Error Handling Registers */
347 /*-------------------------------CONFIG_SYS_SDMODE_BURSTLEN-------------------------------------*/
348 #define CONFIG_SYS_ERRENR1	0x11	/* enable SDRAM refresh overflow error */
349 
350 /* SDRAM 0-256 MB */
351 #define CONFIG_SYS_IBAT0L  (CONFIG_SYS_SDRAM_BASE | BATL_PP_10 | BATL_MEMCOHERENCE)
352 /*#define CONFIG_SYS_IBAT0L  (CONFIG_SYS_SDRAM_BASE | BATL_PP_10 | BATL_CACHEINHIBIT) */
353 #define CONFIG_SYS_IBAT0U  (CONFIG_SYS_SDRAM_BASE | BATU_BL_256M | BATU_VS | BATU_VP)
354 
355 /* stack in dcache */
356 #define CONFIG_SYS_IBAT1L  (CONFIG_SYS_INIT_RAM_ADDR | BATL_PP_10 | BATL_MEMCOHERENCE)
357 #define CONFIG_SYS_IBAT1U  (CONFIG_SYS_INIT_RAM_ADDR | BATU_BL_128K | BATU_VS | BATU_VP)
358 
359 
360 #define CONFIG_SYS_IBAT2L  (CONFIG_SYS_SDRAM_BASE + 0x10000000 | BATL_PP_10 | BATL_MEMCOHERENCE)
361 #define CONFIG_SYS_IBAT2U  (CONFIG_SYS_SDRAM_BASE + 0x10000000| BATU_BL_256M | BATU_VS | BATU_VP)
362 
363 /* PCI memory */
364 /*#define CONFIG_SYS_IBAT2L  (0x80000000 | BATL_PP_10 | BATL_CACHEINHIBIT) */
365 /*#define CONFIG_SYS_IBAT2U  (0x80000000 | BATU_BL_256M | BATU_VS | BATU_VP) */
366 
367 /*Flash, config addrs, etc. */
368 #define CONFIG_SYS_IBAT3L  (0xF0000000 | BATL_PP_10 | BATL_CACHEINHIBIT)
369 #define CONFIG_SYS_IBAT3U  (0xF0000000 | BATU_BL_256M | BATU_VS | BATU_VP)
370 
371 #define CONFIG_SYS_DBAT0L  CONFIG_SYS_IBAT0L
372 #define CONFIG_SYS_DBAT0U  CONFIG_SYS_IBAT0U
373 #define CONFIG_SYS_DBAT1L  CONFIG_SYS_IBAT1L
374 #define CONFIG_SYS_DBAT1U  CONFIG_SYS_IBAT1U
375 #define CONFIG_SYS_DBAT2L  CONFIG_SYS_IBAT2L
376 #define CONFIG_SYS_DBAT2U  CONFIG_SYS_IBAT2U
377 #define CONFIG_SYS_DBAT3L  CONFIG_SYS_IBAT3L
378 #define CONFIG_SYS_DBAT3U  CONFIG_SYS_IBAT3U
379 
380 /*
381  * For booting Linux, the board info and command line data
382  * have to be in the first 8 MB of memory, since this is
383  * the maximum mapped by the Linux kernel during initialization.
384  */
385 #define CONFIG_SYS_BOOTMAPSZ	    (8 << 20)	/* Initial Memory map for Linux */
386 
387 /*-----------------------------------------------------------------------
388  * FLASH organization
389  *----------------------------------------------------------------------*/
390 #define CONFIG_SYS_FLASH_BASE	    0xFF800000
391 #define CONFIG_SYS_MAX_FLASH_BANKS	1			/* Max number of flash banks */
392 
393 /*	NOTE: environment is not EMBEDDED in the u-boot code.
394 	It's stored in flash in its own separate sector.  */
395 #define CONFIG_ENV_IS_IN_FLASH	    1
396 
397 #if 1	/* AMD AM29LV033C */
398 #define CONFIG_SYS_MAX_FLASH_SECT	64		/* Max number of sectors in one bank */
399 #define CONFIG_ENV_ADDR		0xFFBF0000	/* flash sector SA63 */
400 #define CONFIG_ENV_SECT_SIZE	(64*1024)	/* Size of the Environment Sector */
401 #else	/* AMD AM29LV116D */
402 #define CONFIG_SYS_MAX_FLASH_SECT	35	/* Max number of sectors in one bank */
403 #define CONFIG_ENV_ADDR		0xFF9FA000	/* flash sector SA33 */
404 #define CONFIG_ENV_SECT_SIZE	(8*1024)	/* Size of the Environment Sector */
405 #endif /* #if */
406 
407 #define CONFIG_ENV_SIZE		CONFIG_ENV_SECT_SIZE		/* Size of the Environment */
408 #define CONFIG_ENV_OFFSET		0			/* starting right at the beginning */
409 
410 #define CONFIG_SYS_FLASH_ERASE_TOUT	120000	/* Timeout for Flash Erase (in ms)	*/
411 #define CONFIG_SYS_FLASH_WRITE_TOUT	500		/* Timeout for Flash Write (in ms)	*/
412 
413 #if CONFIG_SYS_MONITOR_BASE >= CONFIG_SYS_FLASH_BASE
414 #undef CONFIG_SYS_RAMBOOT
415 #else
416 #define CONFIG_SYS_RAMBOOT
417 #endif
418 
419 
420 /*-----------------------------------------------------------------------
421  * Cache Configuration
422  */
423 #define CONFIG_SYS_CACHELINE_SIZE	32
424 #if defined(CONFIG_CMD_KGDB)
425 #  define CONFIG_SYS_CACHELINE_SHIFT	5	/* log base 2 of the above value	*/
426 #endif
427 
428 /*
429  * Internal Definitions
430  *
431  * Boot Flags
432  */
433 #define BOOTFLAG_COLD		0x01	/* Normal Power-On: Boot from FLASH	*/
434 #define BOOTFLAG_WARM		0x02	/* Software reboot			*/
435 
436 
437 #endif	/* __CONFIG_H */
438