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1 /*
2 * (C) Copyright 2001-2005
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 *
5 * See file CREDITS for list of people who contributed to this
6 * project.
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21 * MA 02111-1307 USA
22 */
23
24 /*
25 *
26 * Configuration settings for the CPC45 board.
27 *
28 */
29
30 /* ------------------------------------------------------------------------- */
31
32 /*
33 * board/config.h - configuration options, board specific
34 */
35
36 #ifndef __CONFIG_H
37 #define __CONFIG_H
38
39 /*
40 * High Level Configuration Options
41 * (easy to change)
42 */
43
44 #define CONFIG_MPC824X 1
45 #define CONFIG_MPC8245 1
46 #define CONFIG_CPC45 1
47
48
49 #define CONFIG_CONS_INDEX 1
50 #define CONFIG_BAUDRATE 9600
51 #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
52
53 #define CONFIG_PREBOOT "echo;echo Type \"run flash_nfs\" to mount root filesystem over NFS;echo"
54
55 #define CONFIG_BOOTDELAY 5
56
57 #define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT | CONFIG_BOOTP_BOOTFILESIZE)
58
59
60 /*
61 * Command line configuration.
62 */
63 #include <config_cmd_default.h>
64
65 #define CONFIG_CMD_BEDBUG
66 #define CONFIG_CMD_DATE
67 #define CONFIG_CMD_DHCP
68 #define CONFIG_CMD_EEPROM
69 #define CONFIG_CMD_EXT2
70 #define CONFIG_CMD_FAT
71 #define CONFIG_CMD_FLASH
72 #define CONFIG_CMD_I2C
73 #define CONFIG_CMD_IDE
74 #define CONFIG_CMD_NFS
75 #define CONFIG_CMD_PCI
76 #define CONFIG_CMD_PING
77 #define CONFIG_CMD_SDRAM
78 #define CONFIG_CMD_SNTP
79
80
81 /*
82 * Miscellaneous configurable options
83 */
84 #define CFG_LONGHELP /* undef to save memory */
85 #define CFG_PROMPT "=> " /* Monitor Command Prompt */
86 #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
87
88 #if 1
89 #define CFG_HUSH_PARSER 1 /* use "hush" command parser */
90 #endif
91 #ifdef CFG_HUSH_PARSER
92 #define CFG_PROMPT_HUSH_PS2 "> "
93 #endif
94
95 /* Print Buffer Size
96 */
97 #define CFG_PBSIZE (CFG_CBSIZE + sizeof(CFG_PROMPT) + 16)
98
99 #define CFG_MAXARGS 16 /* max number of command args */
100 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
101 #define CFG_LOAD_ADDR 0x00100000 /* Default load address */
102
103 /*-----------------------------------------------------------------------
104 * Start addresses for the final memory configuration
105 * (Set up by the startup code)
106 * Please note that CFG_SDRAM_BASE _must_ start at 0
107 */
108
109 #define CFG_SDRAM_BASE 0x00000000
110
111 #if defined(CONFIG_BOOT_ROM)
112 #define CFG_FLASH_BASE 0xFF000000
113 #else
114 #define CFG_FLASH_BASE 0xFF800000
115 #endif
116
117 #define CFG_RESET_ADDRESS 0xFFF00100
118
119 #define CFG_EUMB_ADDR 0xFCE00000
120
121 #define CFG_MONITOR_BASE TEXT_BASE
122
123 #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
124 #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
125
126 #define CFG_MEMTEST_START 0x00004000 /* memtest works on */
127 #define CFG_MEMTEST_END 0x02000000 /* 0 ... 32 MB in DRAM */
128
129 /* Maximum amount of RAM.
130 */
131 #define CFG_MAX_RAM_SIZE 0x10000000
132
133
134 #if CFG_MONITOR_BASE >= CFG_FLASH_BASE
135 #undef CFG_RAMBOOT
136 #else
137 #define CFG_RAMBOOT
138 #endif
139
140
141 /*-----------------------------------------------------------------------
142 * Definitions for initial stack pointer and data area
143 */
144
145 /* Size in bytes reserved for initial data
146 */
147 #define CFG_GBL_DATA_SIZE 128
148
149 #define CFG_INIT_RAM_ADDR 0x40000000
150 #define CFG_INIT_RAM_END 0x1000
151 #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
152
153 /*
154 * NS16550 Configuration
155 */
156 #define CFG_NS16550
157 #define CFG_NS16550_SERIAL
158
159 #define CFG_NS16550_REG_SIZE 1
160
161 #define CFG_NS16550_CLK get_bus_freq(0)
162
163 #define CFG_NS16550_COM1 (CFG_EUMB_ADDR + 0x4500)
164 #define CFG_NS16550_COM2 (CFG_EUMB_ADDR + 0x4600)
165 #define DUART_DCR (CFG_EUMB_ADDR + 0x4511)
166
167 /*
168 * I2C configuration
169 */
170 #define CONFIG_HARD_I2C 1 /* I2C with hardware support */
171
172 #define CFG_I2C_SPEED 100000 /* 100 kHz */
173 #define CFG_I2C_SLAVE 0x7F
174
175 /*
176 * RTC configuration
177 */
178 #define CONFIG_RTC_PCF8563
179 #define CFG_I2C_RTC_ADDR 0x51
180
181 /*
182 * EEPROM configuration
183 */
184 #define CFG_I2C_EEPROM_ADDR 0x58
185 #define CFG_I2C_EEPROM_ADDR_LEN 1
186 #define CFG_EEPROM_PAGE_WRITE_BITS 4
187 #define CFG_EEPROM_PAGE_WRITE_DELAY_MS 10
188 #define CFG_I2C_EEPROM_ADDR_OVERFLOW 0x07
189
190 /*
191 * Low Level Configuration Settings
192 * (address mappings, register initial values, etc.)
193 * You should know what you are doing if you make changes here.
194 * For the detail description refer to the MPC8240 user's manual.
195 */
196
197 #define CONFIG_SYS_CLK_FREQ 33000000
198 #define CFG_HZ 1000
199
200
201 /* Bit-field values for MCCR1.
202 */
203 #define CFG_ROMNAL 0
204 #define CFG_ROMFAL 8
205
206 #define CFG_BANK0_ROW 0 /* SDRAM bank 7-0 row address */
207 #define CFG_BANK1_ROW 0
208 #define CFG_BANK2_ROW 0
209 #define CFG_BANK3_ROW 0
210 #define CFG_BANK4_ROW 0
211 #define CFG_BANK5_ROW 0
212 #define CFG_BANK6_ROW 0
213 #define CFG_BANK7_ROW 0
214
215 /* Bit-field values for MCCR2.
216 */
217
218 #define CFG_REFINT 0x2ec
219
220 /* Burst To Precharge. Bits of this value go to MCCR3 and MCCR4.
221 */
222 #define CFG_BSTOPRE 160
223
224 /* Bit-field values for MCCR3.
225 */
226 #define CFG_REFREC 2 /* Refresh to activate interval */
227 #define CFG_RDLAT 0 /* Data latancy from read command */
228
229 /* Bit-field values for MCCR4.
230 */
231 #define CFG_PRETOACT 2 /* Precharge to activate interval */
232 #define CFG_ACTTOPRE 5 /* Activate to Precharge interval */
233 #define CFG_SDMODE_CAS_LAT 2 /* SDMODE CAS latancy */
234 #define CFG_SDMODE_WRAP 0 /* SDMODE wrap type */
235 #define CFG_SDMODE_BURSTLEN 2 /* SDMODE Burst length */
236 #define CFG_ACTORW 2
237 #define CFG_REGISTERD_TYPE_BUFFER 1
238 #define CFG_EXTROM 0
239 #define CFG_REGDIMM 0
240
241 /* Memory bank settings.
242 * Only bits 20-29 are actually used from these vales to set the
243 * start/end addresses. The upper two bits will always be 0, and the lower
244 * 20 bits will be 0x00000 for a start address, or 0xfffff for an end
245 * address. Refer to the MPC8240 book.
246 */
247
248 #define CFG_BANK0_START 0x00000000
249 #define CFG_BANK0_END (CFG_MAX_RAM_SIZE - 1)
250 #define CFG_BANK0_ENABLE 1
251 #define CFG_BANK1_START 0x3ff00000
252 #define CFG_BANK1_END 0x3fffffff
253 #define CFG_BANK1_ENABLE 0
254 #define CFG_BANK2_START 0x3ff00000
255 #define CFG_BANK2_END 0x3fffffff
256 #define CFG_BANK2_ENABLE 0
257 #define CFG_BANK3_START 0x3ff00000
258 #define CFG_BANK3_END 0x3fffffff
259 #define CFG_BANK3_ENABLE 0
260 #define CFG_BANK4_START 0x3ff00000
261 #define CFG_BANK4_END 0x3fffffff
262 #define CFG_BANK4_ENABLE 0
263 #define CFG_BANK5_START 0x3ff00000
264 #define CFG_BANK5_END 0x3fffffff
265 #define CFG_BANK5_ENABLE 0
266 #define CFG_BANK6_START 0x3ff00000
267 #define CFG_BANK6_END 0x3fffffff
268 #define CFG_BANK6_ENABLE 0
269 #define CFG_BANK7_START 0x3ff00000
270 #define CFG_BANK7_END 0x3fffffff
271 #define CFG_BANK7_ENABLE 0
272
273 #define CFG_ODCR 0xff
274 #define CFG_PGMAX 0x32 /* how long the 8240 retains the */
275 /* currently accessed page in memory */
276 /* see 8240 book for details */
277
278 #define CFG_IBAT0L (CFG_SDRAM_BASE | BATL_PP_10 | BATL_MEMCOHERENCE)
279 #define CFG_IBAT0U (CFG_SDRAM_BASE | BATU_BL_256M | BATU_VS | BATU_VP)
280
281 #define CFG_IBAT1L (CFG_INIT_RAM_ADDR | BATL_PP_10 | BATL_MEMCOHERENCE)
282 #define CFG_IBAT1U (CFG_INIT_RAM_ADDR | BATU_BL_128K | BATU_VS | BATU_VP)
283
284 #define CFG_IBAT2L (0x80000000 | BATL_PP_10 | BATL_CACHEINHIBIT)
285 #define CFG_IBAT2U (0x80000000 | BATU_BL_256M | BATU_VS | BATU_VP)
286
287 #define CFG_IBAT3L (0xFC000000 | BATL_PP_10 | BATL_CACHEINHIBIT)
288 #define CFG_IBAT3U (0xFC000000 | BATU_BL_64M | BATU_VS | BATU_VP)
289
290 #define CFG_DBAT0L CFG_IBAT0L
291 #define CFG_DBAT0U CFG_IBAT0U
292 #define CFG_DBAT1L CFG_IBAT1L
293 #define CFG_DBAT1U CFG_IBAT1U
294 #define CFG_DBAT2L CFG_IBAT2L
295 #define CFG_DBAT2U CFG_IBAT2U
296 #define CFG_DBAT3L CFG_IBAT3L
297 #define CFG_DBAT3U CFG_IBAT3U
298
299 /*
300 * For booting Linux, the board info and command line data
301 * have to be in the first 8 MB of memory, since this is
302 * the maximum mapped by the Linux kernel during initialization.
303 */
304 #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
305
306 /*-----------------------------------------------------------------------
307 * FLASH organization
308 */
309 #define CFG_MAX_FLASH_BANKS 1 /* Max number of flash banks */
310 #define CFG_MAX_FLASH_SECT 39 /* Max number of sectors in one bank */
311 #define INTEL_ID_28F160F3T 0x88F388F3 /* 16M = 1M x 16 top boot sector */
312 #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
313 #define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
314
315 /* Warining: environment is not EMBEDDED in the ppcboot code.
316 * It's stored in flash separately.
317 */
318 #define CFG_ENV_IS_IN_FLASH 1
319
320 #define CFG_ENV_ADDR (CFG_FLASH_BASE + 0x7F8000)
321 #define CFG_ENV_SIZE 0x4000 /* Size of the Environment */
322 #define CFG_ENV_OFFSET 0 /* starting right at the beginning */
323 #define CFG_ENV_SECT_SIZE 0x8000 /* Size of the Environment Sector */
324
325 /*-----------------------------------------------------------------------
326 * Cache Configuration
327 */
328 #define CFG_CACHELINE_SIZE 32
329 #if defined(CONFIG_CMD_KGDB)
330 # define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */
331 #endif
332
333 /*
334 * Internal Definitions
335 *
336 * Boot Flags
337 */
338 #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
339 #define BOOTFLAG_WARM 0x02 /* Software reboot */
340
341
342 #define SRAM_BASE 0x80000000 /* SRAM base address */
343 #define SRAM_END 0x801FFFFF
344
345 /*----------------------------------------------------------------------*/
346 /* CPC45 Memory Map */
347 /*----------------------------------------------------------------------*/
348 #define SRAM_BASE 0x80000000 /* SRAM base address */
349 #define ST16552_A_BASE 0x80200000 /* ST16552 channel A */
350 #define ST16552_B_BASE 0x80400000 /* ST16552 channel A */
351 #define BCSR_BASE 0x80600000 /* board control / status registers */
352 #define DISPLAY_BASE 0x80600040 /* DISPLAY base */
353 #define PCMCIA_MEM_BASE 0x83000000 /* PCMCIA memory window base */
354 #define PCMCIA_IO_BASE 0xFE000000 /* PCMCIA IO window base */
355
356
357 /*---------------------------------------------------------------------*/
358 /* CPC45 Control/Status Registers */
359 /*---------------------------------------------------------------------*/
360 #define IRQ_ENA_1 *((volatile uchar*)(BCSR_BASE + 0x00))
361 #define IRQ_STAT_1 *((volatile uchar*)(BCSR_BASE + 0x01))
362 #define IRQ_ENA_2 *((volatile uchar*)(BCSR_BASE + 0x02))
363 #define IRQ_STAT_2 *((volatile uchar*)(BCSR_BASE + 0x03))
364 #define BOARD_CTRL *((volatile uchar*)(BCSR_BASE + 0x04))
365 #define BOARD_STAT *((volatile uchar*)(BCSR_BASE + 0x05))
366 #define WDG_START *((volatile uchar*)(BCSR_BASE + 0x06))
367 #define WDG_PRESTOP *((volatile uchar*)(BCSR_BASE + 0x06))
368 #define WDG_STOP *((volatile uchar*)(BCSR_BASE + 0x06))
369 #define BOARD_REV *((volatile uchar*)(BCSR_BASE + 0x07))
370
371 /* IRQ_ENA_1 bit definitions */
372 #define I_ENA_1_IERA 0x80 /* INTA enable */
373 #define I_ENA_1_IERB 0x40 /* INTB enable */
374 #define I_ENA_1_IERC 0x20 /* INTC enable */
375 #define I_ENA_1_IERD 0x10 /* INTD enable */
376
377 /* IRQ_STAT_1 bit definitions */
378 #define I_STAT_1_INTA 0x80 /* INTA status */
379 #define I_STAT_1_INTB 0x40 /* INTB status */
380 #define I_STAT_1_INTC 0x20 /* INTC status */
381 #define I_STAT_1_INTD 0x10 /* INTD status */
382
383 /* IRQ_ENA_2 bit definitions */
384 #define I_ENA_2_IEAB 0x80 /* ABORT IRQ enable */
385 #define I_ENA_2_IEK1 0x40 /* KEY1 IRQ enable */
386 #define I_ENA_2_IEK2 0x20 /* KEY2 IRQ enable */
387 #define I_ENA_2_IERT 0x10 /* RTC IRQ enable */
388 #define I_ENA_2_IESM 0x08 /* LM81 IRQ enable */
389 #define I_ENA_2_IEDG 0x04 /* DEGENERATING IRQ enable */
390 #define I_ENA_2_IES2 0x02 /* ST16552/B IRQ enable */
391 #define I_ENA_2_IES1 0x01 /* ST16552/A IRQ enable */
392
393 /* IRQ_STAT_2 bit definitions */
394 #define I_STAT_2_ABO 0x80 /* ABORT IRQ status */
395 #define I_STAT_2_KY1 0x40 /* KEY1 IRQ status */
396 #define I_STAT_2_KY2 0x20 /* KEY2 IRQ status */
397 #define I_STAT_2_RTC 0x10 /* RTC IRQ status */
398 #define I_STAT_2_SMN 0x08 /* LM81 IRQ status */
399 #define I_STAT_2_DEG 0x04 /* DEGENERATING IRQ status */
400 #define I_STAT_2_SIO2 0x02 /* ST16552/B IRQ status */
401 #define I_STAT_2_SIO1 0x01 /* ST16552/A IRQ status */
402
403 /* BOARD_CTRL bit definitions */
404 #define USER_LEDS 2 /* 2 user LEDs */
405
406 #if (USER_LEDS == 4)
407 #define B_CTRL_WRSE 0x80
408 #define B_CTRL_KRSE 0x40
409 #define B_CTRL_FWRE 0x20 /* Flash write enable */
410 #define B_CTRL_FWPT 0x10 /* Flash write protect */
411 #define B_CTRL_LED3 0x08 /* LED 3 control */
412 #define B_CTRL_LED2 0x04 /* LED 2 control */
413 #define B_CTRL_LED1 0x02 /* LED 1 control */
414 #define B_CTRL_LED0 0x01 /* LED 0 control */
415 #else
416 #define B_CTRL_WRSE 0x80
417 #define B_CTRL_KRSE 0x40
418 #define B_CTRL_FWRE_1 0x20 /* Flash write enable */
419 #define B_CTRL_FWPT_1 0x10 /* Flash write protect */
420 #define B_CTRL_LED1 0x08 /* LED 1 control */
421 #define B_CTRL_LED0 0x04 /* LED 0 control */
422 #define B_CTRL_FWRE_0 0x02 /* Flash write enable */
423 #define B_CTRL_FWPT_0 0x01 /* Flash write protect */
424 #endif
425
426 /* BOARD_STAT bit definitions */
427 #define B_STAT_WDGE 0x80
428 #define B_STAT_WDGS 0x40
429 #define B_STAT_WRST 0x20
430 #define B_STAT_KRST 0x10
431 #define B_STAT_CSW3 0x08 /* sitch bit 3 status */
432 #define B_STAT_CSW2 0x04 /* sitch bit 2 status */
433 #define B_STAT_CSW1 0x02 /* sitch bit 1 status */
434 #define B_STAT_CSW0 0x01 /* sitch bit 0 status */
435
436 /*---------------------------------------------------------------------*/
437 /* Display addresses */
438 /*---------------------------------------------------------------------*/
439 #define DISP_UDC_RAM (DISPLAY_BASE + 0x08) /* UDC RAM */
440 #define DISP_CHR_RAM (DISPLAY_BASE + 0x18) /* character Ram */
441 #define DISP_FLASH (DISPLAY_BASE + 0x20) /* Flash Ram */
442
443 #define DISP_UDC_ADR *((volatile uchar*)(DISPLAY_BASE + 0x00)) /* UDC Address Reg. */
444 #define DISP_CWORD *((volatile uchar*)(DISPLAY_BASE + 0x10)) /* Control Word Reg. */
445
446 #define DISP_DIG0 *((volatile uchar*)(DISP_CHR_RAM + 0x00)) /* Digit 0 address */
447 #define DISP_DIG1 *((volatile uchar*)(DISP_CHR_RAM + 0x01)) /* Digit 0 address */
448 #define DISP_DIG2 *((volatile uchar*)(DISP_CHR_RAM + 0x02)) /* Digit 0 address */
449 #define DISP_DIG3 *((volatile uchar*)(DISP_CHR_RAM + 0x03)) /* Digit 0 address */
450 #define DISP_DIG4 *((volatile uchar*)(DISP_CHR_RAM + 0x04)) /* Digit 0 address */
451 #define DISP_DIG5 *((volatile uchar*)(DISP_CHR_RAM + 0x05)) /* Digit 0 address */
452 #define DISP_DIG6 *((volatile uchar*)(DISP_CHR_RAM + 0x06)) /* Digit 0 address */
453 #define DISP_DIG7 *((volatile uchar*)(DISP_CHR_RAM + 0x07)) /* Digit 0 address */
454
455
456 /*-----------------------------------------------------------------------
457 * PCI stuff
458 *-----------------------------------------------------------------------
459 */
460 #define CONFIG_PCI /* include pci support */
461 #undef CONFIG_PCI_PNP
462 #undef CONFIG_PCI_SCAN_SHOW
463
464 #define CONFIG_NET_MULTI /* Multi ethernet cards support */
465
466 #define CONFIG_EEPRO100
467 #define CFG_RX_ETH_BUFFER 8 /* use 8 rx buffer on eepro100 */
468
469 #define PCI_ENET0_IOADDR 0x82000000
470 #define PCI_ENET0_MEMADDR 0x82000000
471 #define PCI_PLX9030_IOADDR 0x82100000
472 #define PCI_PLX9030_MEMADDR 0x82100000
473
474 /*-----------------------------------------------------------------------
475 * PCMCIA stuff
476 *-----------------------------------------------------------------------
477 */
478
479 #define CONFIG_I82365
480
481 #define CFG_PCMCIA_MEM_ADDR PCMCIA_MEM_BASE
482 #define CFG_PCMCIA_MEM_SIZE 0x1000
483
484 #define CONFIG_PCMCIA_SLOT_A
485
486 /*-----------------------------------------------------------------------
487 * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter)
488 *-----------------------------------------------------------------------
489 */
490
491 #define CONFIG_IDE_8xx_PCCARD 1 /* Use IDE with PC Card Adapter */
492
493 #undef CONFIG_IDE_8xx_DIRECT /* Direct IDE not supported */
494 #undef CONFIG_IDE_RESET /* reset for IDE not supported */
495 #define CONFIG_IDE_LED /* LED for IDE is supported */
496
497 #define CFG_IDE_MAXBUS 1 /* max. 1 IDE bus */
498 #define CFG_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */
499
500 #define CFG_ATA_IDE0_OFFSET 0x0000
501
502 #define CFG_ATA_BASE_ADDR CFG_PCMCIA_MEM_ADDR
503
504 #define CFG_ATA_DATA_OFFSET CFG_PCMCIA_MEM_SIZE
505
506 /* Offset for normal register accesses */
507 #define CFG_ATA_REG_OFFSET (CFG_PCMCIA_MEM_SIZE + 0x320)
508
509 /* Offset for alternate registers */
510 #define CFG_ATA_ALT_OFFSET (CFG_PCMCIA_MEM_SIZE + 0x400)
511
512 #define CONFIG_DOS_PARTITION
513
514 #endif /* __CONFIG_H */