2 * (C) Copyright 2001-2005
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 * See file CREDITS for list of people who contributed to this
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.
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.
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,
26 * Configuration settings for the CPC45 board.
30 /* ------------------------------------------------------------------------- */
33 * board/config.h - configuration options, board specific
40 * High Level Configuration Options
44 #define CONFIG_MPC824X 1
45 #define CONFIG_MPC8245 1
46 #define CONFIG_CPC45 1
49 #define CONFIG_CONS_INDEX 1
50 #define CONFIG_BAUDRATE 9600
51 #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
53 #define CONFIG_PREBOOT "echo;echo Type \"run flash_nfs\" to mount root filesystem over NFS;echo"
55 #define CONFIG_BOOTDELAY 5
57 #define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT | CONFIG_BOOTP_BOOTFILESIZE)
59 #define CONFIG_COMMANDS ( CONFIG_CMD_DFL | \
75 /* This must be included AFTER the definition of CONFIG_COMMANDS (if any)
77 #include <cmd_confdefs.h>
81 * Miscellaneous configurable options
83 #define CFG_LONGHELP /* undef to save memory */
84 #define CFG_PROMPT "=> " /* Monitor Command Prompt */
85 #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
88 #define CFG_HUSH_PARSER 1 /* use "hush" command parser */
90 #ifdef CFG_HUSH_PARSER
91 #define CFG_PROMPT_HUSH_PS2 "> "
96 #define CFG_PBSIZE (CFG_CBSIZE + sizeof(CFG_PROMPT) + 16)
98 #define CFG_MAXARGS 16 /* max number of command args */
99 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
100 #define CFG_LOAD_ADDR 0x00100000 /* Default load address */
102 /*-----------------------------------------------------------------------
103 * Start addresses for the final memory configuration
104 * (Set up by the startup code)
105 * Please note that CFG_SDRAM_BASE _must_ start at 0
108 #define CFG_SDRAM_BASE 0x00000000
110 #if defined(CONFIG_BOOT_ROM)
111 #define CFG_FLASH_BASE 0xFF000000
113 #define CFG_FLASH_BASE 0xFF800000
116 #define CFG_RESET_ADDRESS 0xFFF00100
118 #define CFG_EUMB_ADDR 0xFCE00000
120 #define CFG_MONITOR_BASE TEXT_BASE
122 #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
123 #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
125 #define CFG_MEMTEST_START 0x00004000 /* memtest works on */
126 #define CFG_MEMTEST_END 0x02000000 /* 0 ... 32 MB in DRAM */
128 /* Maximum amount of RAM.
130 #define CFG_MAX_RAM_SIZE 0x10000000
133 #if CFG_MONITOR_BASE >= CFG_FLASH_BASE
140 /*-----------------------------------------------------------------------
141 * Definitions for initial stack pointer and data area
144 /* Size in bytes reserved for initial data
146 #define CFG_GBL_DATA_SIZE 128
148 #define CFG_INIT_RAM_ADDR 0x40000000
149 #define CFG_INIT_RAM_END 0x1000
150 #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
153 * NS16550 Configuration
156 #define CFG_NS16550_SERIAL
158 #define CFG_NS16550_REG_SIZE 1
160 #define CFG_NS16550_CLK get_bus_freq(0)
162 #define CFG_NS16550_COM1 (CFG_EUMB_ADDR + 0x4500)
163 #define CFG_NS16550_COM2 (CFG_EUMB_ADDR + 0x4600)
164 #define DUART_DCR (CFG_EUMB_ADDR + 0x4511)
169 #define CONFIG_HARD_I2C 1 /* I2C with hardware support */
171 #define CFG_I2C_SPEED 100000 /* 100 kHz */
172 #define CFG_I2C_SLAVE 0x7F
177 #define CONFIG_RTC_PCF8563
178 #define CFG_I2C_RTC_ADDR 0x51
181 * EEPROM configuration
183 #define CFG_I2C_EEPROM_ADDR 0x58
184 #define CFG_I2C_EEPROM_ADDR_LEN 1
185 #define CFG_EEPROM_PAGE_WRITE_BITS 4
186 #define CFG_EEPROM_PAGE_WRITE_DELAY_MS 10
187 #define CFG_I2C_EEPROM_ADDR_OVERFLOW 0x07
190 * Low Level Configuration Settings
191 * (address mappings, register initial values, etc.)
192 * You should know what you are doing if you make changes here.
193 * For the detail description refer to the MPC8240 user's manual.
196 #define CONFIG_SYS_CLK_FREQ 33000000
200 /* Bit-field values for MCCR1.
205 #define CFG_BANK0_ROW 0 /* SDRAM bank 7-0 row address */
206 #define CFG_BANK1_ROW 0
207 #define CFG_BANK2_ROW 0
208 #define CFG_BANK3_ROW 0
209 #define CFG_BANK4_ROW 0
210 #define CFG_BANK5_ROW 0
211 #define CFG_BANK6_ROW 0
212 #define CFG_BANK7_ROW 0
214 /* Bit-field values for MCCR2.
217 #define CFG_REFINT 0x2ec
219 /* Burst To Precharge. Bits of this value go to MCCR3 and MCCR4.
221 #define CFG_BSTOPRE 160
223 /* Bit-field values for MCCR3.
225 #define CFG_REFREC 2 /* Refresh to activate interval */
226 #define CFG_RDLAT 0 /* Data latancy from read command */
228 /* Bit-field values for MCCR4.
230 #define CFG_PRETOACT 2 /* Precharge to activate interval */
231 #define CFG_ACTTOPRE 5 /* Activate to Precharge interval */
232 #define CFG_SDMODE_CAS_LAT 2 /* SDMODE CAS latancy */
233 #define CFG_SDMODE_WRAP 0 /* SDMODE wrap type */
234 #define CFG_SDMODE_BURSTLEN 2 /* SDMODE Burst length */
236 #define CFG_REGISTERD_TYPE_BUFFER 1
238 #define CFG_REGDIMM 0
240 /* Memory bank settings.
241 * Only bits 20-29 are actually used from these vales to set the
242 * start/end addresses. The upper two bits will always be 0, and the lower
243 * 20 bits will be 0x00000 for a start address, or 0xfffff for an end
244 * address. Refer to the MPC8240 book.
247 #define CFG_BANK0_START 0x00000000
248 #define CFG_BANK0_END (CFG_MAX_RAM_SIZE - 1)
249 #define CFG_BANK0_ENABLE 1
250 #define CFG_BANK1_START 0x3ff00000
251 #define CFG_BANK1_END 0x3fffffff
252 #define CFG_BANK1_ENABLE 0
253 #define CFG_BANK2_START 0x3ff00000
254 #define CFG_BANK2_END 0x3fffffff
255 #define CFG_BANK2_ENABLE 0
256 #define CFG_BANK3_START 0x3ff00000
257 #define CFG_BANK3_END 0x3fffffff
258 #define CFG_BANK3_ENABLE 0
259 #define CFG_BANK4_START 0x3ff00000
260 #define CFG_BANK4_END 0x3fffffff
261 #define CFG_BANK4_ENABLE 0
262 #define CFG_BANK5_START 0x3ff00000
263 #define CFG_BANK5_END 0x3fffffff
264 #define CFG_BANK5_ENABLE 0
265 #define CFG_BANK6_START 0x3ff00000
266 #define CFG_BANK6_END 0x3fffffff
267 #define CFG_BANK6_ENABLE 0
268 #define CFG_BANK7_START 0x3ff00000
269 #define CFG_BANK7_END 0x3fffffff
270 #define CFG_BANK7_ENABLE 0
272 #define CFG_ODCR 0xff
273 #define CFG_PGMAX 0x32 /* how long the 8240 retains the */
274 /* currently accessed page in memory */
275 /* see 8240 book for details */
277 #define CFG_IBAT0L (CFG_SDRAM_BASE | BATL_PP_10 | BATL_MEMCOHERENCE)
278 #define CFG_IBAT0U (CFG_SDRAM_BASE | BATU_BL_256M | BATU_VS | BATU_VP)
280 #define CFG_IBAT1L (CFG_INIT_RAM_ADDR | BATL_PP_10 | BATL_MEMCOHERENCE)
281 #define CFG_IBAT1U (CFG_INIT_RAM_ADDR | BATU_BL_128K | BATU_VS | BATU_VP)
283 #define CFG_IBAT2L (0x80000000 | BATL_PP_10 | BATL_CACHEINHIBIT)
284 #define CFG_IBAT2U (0x80000000 | BATU_BL_256M | BATU_VS | BATU_VP)
286 #define CFG_IBAT3L (0xFC000000 | BATL_PP_10 | BATL_CACHEINHIBIT)
287 #define CFG_IBAT3U (0xFC000000 | BATU_BL_64M | BATU_VS | BATU_VP)
289 #define CFG_DBAT0L CFG_IBAT0L
290 #define CFG_DBAT0U CFG_IBAT0U
291 #define CFG_DBAT1L CFG_IBAT1L
292 #define CFG_DBAT1U CFG_IBAT1U
293 #define CFG_DBAT2L CFG_IBAT2L
294 #define CFG_DBAT2U CFG_IBAT2U
295 #define CFG_DBAT3L CFG_IBAT3L
296 #define CFG_DBAT3U CFG_IBAT3U
299 * For booting Linux, the board info and command line data
300 * have to be in the first 8 MB of memory, since this is
301 * the maximum mapped by the Linux kernel during initialization.
303 #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
305 /*-----------------------------------------------------------------------
308 #define CFG_MAX_FLASH_BANKS 1 /* Max number of flash banks */
309 #define CFG_MAX_FLASH_SECT 39 /* Max number of sectors in one bank */
310 #define INTEL_ID_28F160F3T 0x88F388F3 /* 16M = 1M x 16 top boot sector */
311 #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
312 #define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
314 /* Warining: environment is not EMBEDDED in the ppcboot code.
315 * It's stored in flash separately.
317 #define CFG_ENV_IS_IN_FLASH 1
319 #define CFG_ENV_ADDR (CFG_FLASH_BASE + 0x7F8000)
320 #define CFG_ENV_SIZE 0x4000 /* Size of the Environment */
321 #define CFG_ENV_OFFSET 0 /* starting right at the beginning */
322 #define CFG_ENV_SECT_SIZE 0x8000 /* Size of the Environment Sector */
324 /*-----------------------------------------------------------------------
325 * Cache Configuration
327 #define CFG_CACHELINE_SIZE 32
328 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
329 # define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */
333 * Internal Definitions
337 #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
338 #define BOOTFLAG_WARM 0x02 /* Software reboot */
341 #define SRAM_BASE 0x80000000 /* SRAM base address */
342 #define SRAM_END 0x801FFFFF
344 /*----------------------------------------------------------------------*/
345 /* CPC45 Memory Map */
346 /*----------------------------------------------------------------------*/
347 #define SRAM_BASE 0x80000000 /* SRAM base address */
348 #define ST16552_A_BASE 0x80200000 /* ST16552 channel A */
349 #define ST16552_B_BASE 0x80400000 /* ST16552 channel A */
350 #define BCSR_BASE 0x80600000 /* board control / status registers */
351 #define DISPLAY_BASE 0x80600040 /* DISPLAY base */
352 #define PCMCIA_MEM_BASE 0x83000000 /* PCMCIA memory window base */
353 #define PCMCIA_IO_BASE 0xFE000000 /* PCMCIA IO window base */
356 /*---------------------------------------------------------------------*/
357 /* CPC45 Control/Status Registers */
358 /*---------------------------------------------------------------------*/
359 #define IRQ_ENA_1 *((volatile uchar*)(BCSR_BASE + 0x00))
360 #define IRQ_STAT_1 *((volatile uchar*)(BCSR_BASE + 0x01))
361 #define IRQ_ENA_2 *((volatile uchar*)(BCSR_BASE + 0x02))
362 #define IRQ_STAT_2 *((volatile uchar*)(BCSR_BASE + 0x03))
363 #define BOARD_CTRL *((volatile uchar*)(BCSR_BASE + 0x04))
364 #define BOARD_STAT *((volatile uchar*)(BCSR_BASE + 0x05))
365 #define WDG_START *((volatile uchar*)(BCSR_BASE + 0x06))
366 #define WDG_PRESTOP *((volatile uchar*)(BCSR_BASE + 0x06))
367 #define WDG_STOP *((volatile uchar*)(BCSR_BASE + 0x06))
368 #define BOARD_REV *((volatile uchar*)(BCSR_BASE + 0x07))
370 /* IRQ_ENA_1 bit definitions */
371 #define I_ENA_1_IERA 0x80 /* INTA enable */
372 #define I_ENA_1_IERB 0x40 /* INTB enable */
373 #define I_ENA_1_IERC 0x20 /* INTC enable */
374 #define I_ENA_1_IERD 0x10 /* INTD enable */
376 /* IRQ_STAT_1 bit definitions */
377 #define I_STAT_1_INTA 0x80 /* INTA status */
378 #define I_STAT_1_INTB 0x40 /* INTB status */
379 #define I_STAT_1_INTC 0x20 /* INTC status */
380 #define I_STAT_1_INTD 0x10 /* INTD status */
382 /* IRQ_ENA_2 bit definitions */
383 #define I_ENA_2_IEAB 0x80 /* ABORT IRQ enable */
384 #define I_ENA_2_IEK1 0x40 /* KEY1 IRQ enable */
385 #define I_ENA_2_IEK2 0x20 /* KEY2 IRQ enable */
386 #define I_ENA_2_IERT 0x10 /* RTC IRQ enable */
387 #define I_ENA_2_IESM 0x08 /* LM81 IRQ enable */
388 #define I_ENA_2_IEDG 0x04 /* DEGENERATING IRQ enable */
389 #define I_ENA_2_IES2 0x02 /* ST16552/B IRQ enable */
390 #define I_ENA_2_IES1 0x01 /* ST16552/A IRQ enable */
392 /* IRQ_STAT_2 bit definitions */
393 #define I_STAT_2_ABO 0x80 /* ABORT IRQ status */
394 #define I_STAT_2_KY1 0x40 /* KEY1 IRQ status */
395 #define I_STAT_2_KY2 0x20 /* KEY2 IRQ status */
396 #define I_STAT_2_RTC 0x10 /* RTC IRQ status */
397 #define I_STAT_2_SMN 0x08 /* LM81 IRQ status */
398 #define I_STAT_2_DEG 0x04 /* DEGENERATING IRQ status */
399 #define I_STAT_2_SIO2 0x02 /* ST16552/B IRQ status */
400 #define I_STAT_2_SIO1 0x01 /* ST16552/A IRQ status */
402 /* BOARD_CTRL bit definitions */
403 #define USER_LEDS 2 /* 2 user LEDs */
406 #define B_CTRL_WRSE 0x80
407 #define B_CTRL_KRSE 0x40
408 #define B_CTRL_FWRE 0x20 /* Flash write enable */
409 #define B_CTRL_FWPT 0x10 /* Flash write protect */
410 #define B_CTRL_LED3 0x08 /* LED 3 control */
411 #define B_CTRL_LED2 0x04 /* LED 2 control */
412 #define B_CTRL_LED1 0x02 /* LED 1 control */
413 #define B_CTRL_LED0 0x01 /* LED 0 control */
415 #define B_CTRL_WRSE 0x80
416 #define B_CTRL_KRSE 0x40
417 #define B_CTRL_FWRE_1 0x20 /* Flash write enable */
418 #define B_CTRL_FWPT_1 0x10 /* Flash write protect */
419 #define B_CTRL_LED1 0x08 /* LED 1 control */
420 #define B_CTRL_LED0 0x04 /* LED 0 control */
421 #define B_CTRL_FWRE_0 0x02 /* Flash write enable */
422 #define B_CTRL_FWPT_0 0x01 /* Flash write protect */
425 /* BOARD_STAT bit definitions */
426 #define B_STAT_WDGE 0x80
427 #define B_STAT_WDGS 0x40
428 #define B_STAT_WRST 0x20
429 #define B_STAT_KRST 0x10
430 #define B_STAT_CSW3 0x08 /* sitch bit 3 status */
431 #define B_STAT_CSW2 0x04 /* sitch bit 2 status */
432 #define B_STAT_CSW1 0x02 /* sitch bit 1 status */
433 #define B_STAT_CSW0 0x01 /* sitch bit 0 status */
435 /*---------------------------------------------------------------------*/
436 /* Display addresses */
437 /*---------------------------------------------------------------------*/
438 #define DISP_UDC_RAM (DISPLAY_BASE + 0x08) /* UDC RAM */
439 #define DISP_CHR_RAM (DISPLAY_BASE + 0x18) /* character Ram */
440 #define DISP_FLASH (DISPLAY_BASE + 0x20) /* Flash Ram */
442 #define DISP_UDC_ADR *((volatile uchar*)(DISPLAY_BASE + 0x00)) /* UDC Address Reg. */
443 #define DISP_CWORD *((volatile uchar*)(DISPLAY_BASE + 0x10)) /* Control Word Reg. */
445 #define DISP_DIG0 *((volatile uchar*)(DISP_CHR_RAM + 0x00)) /* Digit 0 address */
446 #define DISP_DIG1 *((volatile uchar*)(DISP_CHR_RAM + 0x01)) /* Digit 0 address */
447 #define DISP_DIG2 *((volatile uchar*)(DISP_CHR_RAM + 0x02)) /* Digit 0 address */
448 #define DISP_DIG3 *((volatile uchar*)(DISP_CHR_RAM + 0x03)) /* Digit 0 address */
449 #define DISP_DIG4 *((volatile uchar*)(DISP_CHR_RAM + 0x04)) /* Digit 0 address */
450 #define DISP_DIG5 *((volatile uchar*)(DISP_CHR_RAM + 0x05)) /* Digit 0 address */
451 #define DISP_DIG6 *((volatile uchar*)(DISP_CHR_RAM + 0x06)) /* Digit 0 address */
452 #define DISP_DIG7 *((volatile uchar*)(DISP_CHR_RAM + 0x07)) /* Digit 0 address */
455 /*-----------------------------------------------------------------------
457 *-----------------------------------------------------------------------
459 #define CONFIG_PCI /* include pci support */
460 #undef CONFIG_PCI_PNP
461 #undef CONFIG_PCI_SCAN_SHOW
463 #define CONFIG_NET_MULTI /* Multi ethernet cards support */
465 #define CONFIG_EEPRO100
466 #define CFG_RX_ETH_BUFFER 8 /* use 8 rx buffer on eepro100 */
468 #define PCI_ENET0_IOADDR 0x82000000
469 #define PCI_ENET0_MEMADDR 0x82000000
470 #define PCI_PLX9030_IOADDR 0x82100000
471 #define PCI_PLX9030_MEMADDR 0x82100000
473 /*-----------------------------------------------------------------------
475 *-----------------------------------------------------------------------
478 #define CONFIG_I82365
480 #define CFG_PCMCIA_MEM_ADDR PCMCIA_MEM_BASE
481 #define CFG_PCMCIA_MEM_SIZE 0x1000
483 #define CONFIG_PCMCIA_SLOT_A
485 /*-----------------------------------------------------------------------
486 * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter)
487 *-----------------------------------------------------------------------
490 #define CONFIG_IDE_8xx_PCCARD 1 /* Use IDE with PC Card Adapter */
492 #undef CONFIG_IDE_8xx_DIRECT /* Direct IDE not supported */
493 #undef CONFIG_IDE_RESET /* reset for IDE not supported */
494 #define CONFIG_IDE_LED /* LED for IDE is supported */
496 #define CFG_IDE_MAXBUS 1 /* max. 1 IDE bus */
497 #define CFG_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */
499 #define CFG_ATA_IDE0_OFFSET 0x0000
501 #define CFG_ATA_BASE_ADDR CFG_PCMCIA_MEM_ADDR
503 #define CFG_ATA_DATA_OFFSET CFG_PCMCIA_MEM_SIZE
505 /* Offset for normal register accesses */
506 #define CFG_ATA_REG_OFFSET (CFG_PCMCIA_MEM_SIZE + 0x320)
508 /* Offset for alternate registers */
509 #define CFG_ATA_ALT_OFFSET (CFG_PCMCIA_MEM_SIZE + 0x400)
511 #define CONFIG_DOS_PARTITION
513 #endif /* __CONFIG_H */