1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
|
/*
* (C) Copyright 2001, 2002, 2003
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
/* ------------------------------------------------------------------------- */
/*
* Configuration settings for the A-3000 board (Artis Microsystems Inc.).
* http://artismicro.com
*/
/* ------------------------------------------------------------------------- */
/*
* board/config.h - configuration options, board specific
*/
#ifndef __CONFIG_H
#define __CONFIG_H
/*
* High Level Configuration Options
* (easy to change)
*/
#define CONFIG_MPC824X 1
#define CONFIG_MPC8245 1
#define CONFIG_A3000 1
#define CONFIG_CONS_INDEX 1
#define CONFIG_BAUDRATE 9600
#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
#define CONFIG_BOOTDELAY 5
#if 0
#define CONFIG_COMMANDS ( CONFIG_CMD_DFL | \
CFG_CMD_BEDBUG | \
CFG_CMD_BSP | \
CFG_CMD_ELF | \
CFG_CMD_I2C | \
CFG_CMD_FLASH | \
CFG_CMD_BEDBUG | \
CFG_CMD_NET | \
CFG_CMD_PCI )
#endif
#define CONFIG_COMMANDS ( CONFIG_CMD_DFL )
/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
#include <cmd_confdefs.h>
/*
* Miscellaneous configurable options
*/
#undef CFG_LONGHELP /* undef to save memory */
#define CFG_PROMPT "A3000> " /* Monitor Command Prompt */
#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
/* Print Buffer Size
*/
#define CFG_PBSIZE (CFG_CBSIZE + sizeof(CFG_PROMPT) + 16)
#define CFG_MAXARGS 8 /* Max number of command args */
#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
#define CFG_LOAD_ADDR 0x00400000 /* Default load address */
/*-----------------------------------------------------------------------
* PCI stuff
*-----------------------------------------------------------------------
*/
#define CONFIG_HARD_I2C 1 /* To enable I2C support */
#undef CONFIG_SOFT_I2C /* I2C bit-banged */
#define CFG_I2C_SPEED 400000 /* I2C speed and slave address */
#define CFG_I2C_SLAVE 0x7F
/*-----------------------------------------------------------------------
* PCI stuff
*-----------------------------------------------------------------------
*/
#define CONFIG_PCI /* include pci support */
#undef CONFIG_PCI_PNP
#define CONFIG_PCI_SCAN_SHOW /* print pci devices @ startup */
#define CONFIG_NET_MULTI /* Multi ethernet cards support */
/* #define CONFIG_TULIP */
/* #define CONFIG_EEPRO100 */
#define CONFIG_NATSEMI
#define PCI_ENET0_IOADDR 0x80000000
#define PCI_ENET0_MEMADDR 0x80000000
#define PCI_ENET1_IOADDR 0x81000000
#define PCI_ENET1_MEMADDR 0x81000000
#define PCI_ENET2_IOADDR 0x82000000
#define PCI_ENET2_MEMADDR 0x82000000
#define PCI_ENET3_IOADDR 0x83000000
#define PCI_ENET3_MEMADDR 0x83000000
/*-----------------------------------------------------------------------
* Start addresses for the final memory configuration
* (Set up by the startup code)
* Please note that CFG_SDRAM_BASE _must_ start at 0
*/
#define CFG_SDRAM_BASE 0x00000000
#define CFG_FLASH_BASE0_PRELIM 0xFF000000 /* FLASH bank on RCS#0 */
#define CFG_FLASH_BASE1_PRELIM 0xFF000000 /* FLASH bank on RCS#1 */
#define CFG_FLASH_BASE CFG_FLASH_BASE0_PRELIM
#define CFG_FLASH_BANKS { CFG_FLASH_BASE0_PRELIM }
/* even though FLASHP_BASE is FF800000, with 4MB is RCS0, the
* reset vector is actually located at FFB00100, but the 8245
* takes care of us.
*/
#define CFG_RESET_ADDRESS 0xFFF00100
#define CFG_EUMB_ADDR 0xFC000000
#define CFG_MONITOR_BASE TEXT_BASE
#define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
#define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
#define CFG_MEMTEST_START 0x00004000 /* memtest works on */
#define CFG_MEMTEST_END 0x02000000 /* 0 ... 32 MB in DRAM */
/* Maximum amount of RAM.
*/
#define CFG_MAX_RAM_SIZE 0x04000000 /* 0 .. 128 MB of (S)DRAM */
#if CFG_MONITOR_BASE >= CFG_FLASH_BASE
#undef CFG_RAMBOOT
#else
#define CFG_RAMBOOT
#endif
/*
* NS16550 Configuration
*/
#define CFG_NS16550
#define CFG_NS16550_SERIAL
#define CFG_NS16550_REG_SIZE 1
#define CFG_NS16550_CLK get_bus_freq(0)
#define CFG_NS16550_COM1 (CFG_EUMB_ADDR + 0x4500)
#define CFG_NS16550_COM2 (CFG_EUMB_ADDR + 0x4600)
/*-----------------------------------------------------------------------
* Definitions for initial stack pointer and data area
*/
/* #define CFG_MONITOR_BASE TEXT_BASE */
/*#define CFG_GBL_DATA_SIZE 256*/
#define CFG_GBL_DATA_SIZE 128
#define CFG_INIT_RAM_ADDR 0x40000000
#define CFG_INIT_RAM_END 0x1000
#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
/*
* Low Level Configuration Settings
* (address mappings, register initial values, etc.)
* You should know what you are doing if you make changes here.
* For the detail description refer to the MPC8240 user's manual.
*/
#define CONFIG_SYS_CLK_FREQ 33333333 /* external frequency to pll */
#define CFG_HZ 1000
/* Bit-field values for MCCR1.
*/
#define CFG_ROMNAL 7
#define CFG_ROMFAL 11
#define CFG_DBUS_SIZE 0x3
/* Bit-field values for MCCR2.
*/
#define CFG_TSWAIT 0x5 /* Transaction Start Wait States timer */
#define CFG_REFINT 0x400 /* Refresh interval FIXME: was 0t430 */
/* Burst To Precharge. Bits of this value go to MCCR3 and MCCR4.
*/
#define CFG_BSTOPRE 121
/* Bit-field values for MCCR3.
*/
#define CFG_REFREC 8 /* Refresh to activate interval */
/* Bit-field values for MCCR4.
*/
#define CFG_PRETOACT 3 /* Precharge to activate interval FIXME: was 2 */
#define CFG_ACTTOPRE 5 /* Activate to Precharge interval FIXME: was 5 */
#define CFG_ACTORW 3 /* FIXME was 2 */
#define CFG_SDMODE_CAS_LAT 3 /* SDMODE CAS latancy */
#define CFG_SDMODE_WRAP 0 /* SDMODE wrap type */
#define CFG_REGISTERD_TYPE_BUFFER 1
#define CFG_EXTROM 1
#define CFG_REGDIMM 0
#define CFG_PGMAX 0x32 /* how long the 8240 reatins the currently accessed page in memory FIXME: was 0x32*/
#define CFG_SDRAM_DSCD 0x20 /* SDRAM data in sample clock delay - note bottom 3 bits MUST be 0 */
/* Memory bank settings.
* Only bits 20-29 are actually used from these vales to set the
* start/end addresses. The upper two bits will always be 0, and the lower
* 20 bits will be 0x00000 for a start address, or 0xfffff for an end
* address. Refer to the MPC8240 book.
*/
#define CFG_BANK0_START 0x00000000
#define CFG_BANK0_END (CFG_MAX_RAM_SIZE - 1)
#define CFG_BANK0_ENABLE 1
#define CFG_BANK1_START 0x3ff00000
#define CFG_BANK1_END 0x3fffffff
#define CFG_BANK1_ENABLE 0
#define CFG_BANK2_START 0x3ff00000
#define CFG_BANK2_END 0x3fffffff
#define CFG_BANK2_ENABLE 0
#define CFG_BANK3_START 0x3ff00000
#define CFG_BANK3_END 0x3fffffff
#define CFG_BANK3_ENABLE 0
#define CFG_BANK4_START 0x3ff00000
#define CFG_BANK4_END 0x3fffffff
#define CFG_BANK4_ENABLE 0
#define CFG_BANK5_START 0x3ff00000
#define CFG_BANK5_END 0x3fffffff
#define CFG_BANK5_ENABLE 0
#define CFG_BANK6_START 0x3ff00000
#define CFG_BANK6_END 0x3fffffff
#define CFG_BANK6_ENABLE 0
#define CFG_BANK7_START 0x3ff00000
#define CFG_BANK7_END 0x3fffffff
#define CFG_BANK7_ENABLE 0
#define CFG_ODCR 0xff
#define CFG_IBAT0L (CFG_SDRAM_BASE | BATL_PP_10 | BATL_MEMCOHERENCE)
#define CFG_IBAT0U (CFG_SDRAM_BASE | BATU_BL_256M | BATU_VS | BATU_VP)
#define CFG_IBAT1L (CFG_INIT_RAM_ADDR | BATL_PP_10 | BATL_MEMCOHERENCE)
#define CFG_IBAT1U (CFG_INIT_RAM_ADDR | BATU_BL_128K | BATU_VS | BATU_VP)
#define CFG_IBAT2L (0x80000000 | BATL_PP_10 | BATL_CACHEINHIBIT)
#define CFG_IBAT2U (0x80000000 | BATU_BL_256M | BATU_VS | BATU_VP)
#define CFG_IBAT3L (0xF0000000 | BATL_PP_10 | BATL_CACHEINHIBIT)
#define CFG_IBAT3U (0xF0000000 | BATU_BL_256M | BATU_VS | BATU_VP)
#define CFG_DBAT0L CFG_IBAT0L
#define CFG_DBAT0U CFG_IBAT0U
#define CFG_DBAT1L CFG_IBAT1L
#define CFG_DBAT1U CFG_IBAT1U
#define CFG_DBAT2L CFG_IBAT2L
#define CFG_DBAT2U CFG_IBAT2U
#define CFG_DBAT3L CFG_IBAT3L
#define CFG_DBAT3U CFG_IBAT3U
/*
* For booting Linux, the board info and command line data
* have to be in the first 8 MB of memory, since this is
* the maximum mapped by the Linux kernel during initialization.
*/
#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
/*-----------------------------------------------------------------------
* FLASH organization
*/
#define CFG_MAX_FLASH_BANKS 1 /* Max number of flash banks */
#define CFG_MAX_FLASH_SECT 128 /* Max number of sectors per flash */
#define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
#define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
/* Warining: environment is not EMBEDDED in the U-Boot code.
* It's stored in flash separately.
*/
#define CFG_ENV_IS_IN_FLASH 1
#define CFG_ENV_ADDR 0xFFFE0000
#define CFG_ENV_SIZE 0x00020000 /* Size of the Environment */
#define CFG_ENV_SECT_SIZE 0x00020000 /* Size of the Environment Sector */
/*-----------------------------------------------------------------------
* Cache Configuration
*/
#define CFG_CACHELINE_SIZE 32
#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
# define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */
#endif
/*
* Internal Definitions
*
* Boot Flags
*/
#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
#define BOOTFLAG_WARM 0x02 /* Software reboot */
#endif /* __CONFIG_H */
|
