2 * (C) Copyright 2001-2003
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_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */
55 #define CONFIG_PREBOOT "echo;echo Type \"run flash_nfs\" to mount root filesystem over NFS;echo"
57 #define CONFIG_BOOTDELAY 5
59 #define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT | CONFIG_BOOTP_BOOTFILESIZE)
61 #define CONFIG_COMMANDS ( CONFIG_CMD_DFL | \
65 0 /* CFG_CMD_DATE */ )
67 /* This must be included AFTER the definition of CONFIG_COMMANDS (if any)
69 #include <cmd_confdefs.h>
73 * Miscellaneous configurable options
75 #define CFG_LONGHELP /* undef to save memory */
76 #define CFG_PROMPT "=> " /* Monitor Command Prompt */
77 #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
80 #define CFG_HUSH_PARSER 1 /* use "hush" command parser */
82 #ifdef CFG_HUSH_PARSER
83 #define CFG_PROMPT_HUSH_PS2 "> "
88 #define CFG_PBSIZE (CFG_CBSIZE + sizeof(CFG_PROMPT) + 16)
90 #define CFG_MAXARGS 16 /* max number of command args */
91 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
92 #define CFG_LOAD_ADDR 0x00100000 /* Default load address */
94 /*-----------------------------------------------------------------------
95 * Start addresses for the final memory configuration
96 * (Set up by the startup code)
97 * Please note that CFG_SDRAM_BASE _must_ start at 0
100 #define CFG_SDRAM_BASE 0x00000000
102 #if defined(CONFIG_BOOT_ROM)
103 #define CFG_FLASH_BASE 0xFF000000
105 #define CFG_FLASH_BASE 0xFF800000
108 #define CFG_RESET_ADDRESS 0xFFF00100
110 #define CFG_EUMB_ADDR 0xFCE00000
112 #define CFG_MONITOR_BASE TEXT_BASE
114 #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
115 #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
117 #define CFG_MEMTEST_START 0x00004000 /* memtest works on */
118 #define CFG_MEMTEST_END 0x02000000 /* 0 ... 32 MB in DRAM */
120 /* Maximum amount of RAM.
122 #define CFG_MAX_RAM_SIZE 0x10000000
125 #if CFG_MONITOR_BASE >= CFG_FLASH_BASE
132 /*-----------------------------------------------------------------------
133 * Definitions for initial stack pointer and data area
136 /* Size in bytes reserved for initial data
138 #define CFG_GBL_DATA_SIZE 128
140 #define CFG_INIT_RAM_ADDR 0x40000000
141 #define CFG_INIT_RAM_END 0x1000
142 #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
145 * NS16550 Configuration
148 #define CFG_NS16550_SERIAL
150 #define CFG_NS16550_REG_SIZE 1
152 #define CFG_NS16550_CLK get_bus_freq(0)
154 #define CFG_NS16550_COM1 (CFG_EUMB_ADDR + 0x4500)
155 #define CFG_NS16550_COM2 (CFG_EUMB_ADDR + 0x4600)
156 #define DUART_DCR (CFG_EUMB_ADDR + 0x4511)
159 * Low Level Configuration Settings
160 * (address mappings, register initial values, etc.)
161 * You should know what you are doing if you make changes here.
162 * For the detail description refer to the MPC8240 user's manual.
165 #define CONFIG_SYS_CLK_FREQ 33000000
168 * SDRAM Configuration Settings
169 * Please note: currently only 64 and 128 MB SDRAM size supported
170 * set CFG_SDRAM_SIZE to 64 or 128
171 * Memory configuration using SPD information stored on the SODIMMs
175 #define CFG_SDRAM_SIZE 64 /* SDRAM size -- 64 or 128 MB supported */
177 /* Bit-field values for MCCR1.
182 #if (CFG_SDRAM_SIZE == 64) /* 64 MB */
183 #define CFG_BANK0_ROW 0 /* SDRAM bank 7-0 row address */
184 #elif (CFG_SDRAM_SIZE == 128) /* 128 MB */
185 #define CFG_BANK0_ROW 2 /* SDRAM bank 7-0 row address */
187 # error "SDRAM size not supported"
189 #define CFG_BANK1_ROW 0
190 #define CFG_BANK2_ROW 0
191 #define CFG_BANK3_ROW 0
192 #define CFG_BANK4_ROW 0
193 #define CFG_BANK5_ROW 0
194 #define CFG_BANK6_ROW 0
195 #define CFG_BANK7_ROW 0
197 /* Bit-field values for MCCR2.
199 #define CFG_REFINT 430 /* Refresh interval */
201 /* Burst To Precharge. Bits of this value go to MCCR3 and MCCR4.
203 #define CFG_BSTOPRE 192
205 /* Bit-field values for MCCR3.
207 #define CFG_REFREC 2 /* Refresh to activate interval */
208 #define CFG_RDLAT 3 /* Data latancy from read command */
210 /* Bit-field values for MCCR4.
212 #define CFG_PRETOACT 2 /* Precharge to activate interval */
213 #define CFG_ACTTOPRE 5 /* Activate to Precharge interval */
214 #define CFG_SDMODE_CAS_LAT 2 /* SDMODE CAS latancy */
215 #define CFG_SDMODE_WRAP 0 /* SDMODE wrap type */
216 #define CFG_SDMODE_BURSTLEN 2 /* SDMODE Burst length */
218 #define CFG_REGISTERD_TYPE_BUFFER 1
220 #define CFG_REGDIMM 0
222 /* Memory bank settings.
223 * Only bits 20-29 are actually used from these vales to set the
224 * start/end addresses. The upper two bits will always be 0, and the lower
225 * 20 bits will be 0x00000 for a start address, or 0xfffff for an end
226 * address. Refer to the MPC8240 book.
229 #define CFG_BANK0_START 0x00000000
230 #define CFG_BANK0_END (CFG_MAX_RAM_SIZE - 1)
231 #define CFG_BANK0_ENABLE 1
232 #define CFG_BANK1_START 0x3ff00000
233 #define CFG_BANK1_END 0x3fffffff
234 #define CFG_BANK1_ENABLE 0
235 #define CFG_BANK2_START 0x3ff00000
236 #define CFG_BANK2_END 0x3fffffff
237 #define CFG_BANK2_ENABLE 0
238 #define CFG_BANK3_START 0x3ff00000
239 #define CFG_BANK3_END 0x3fffffff
240 #define CFG_BANK3_ENABLE 0
241 #define CFG_BANK4_START 0x3ff00000
242 #define CFG_BANK4_END 0x3fffffff
243 #define CFG_BANK4_ENABLE 0
244 #define CFG_BANK5_START 0x3ff00000
245 #define CFG_BANK5_END 0x3fffffff
246 #define CFG_BANK5_ENABLE 0
247 #define CFG_BANK6_START 0x3ff00000
248 #define CFG_BANK6_END 0x3fffffff
249 #define CFG_BANK6_ENABLE 0
250 #define CFG_BANK7_START 0x3ff00000
251 #define CFG_BANK7_END 0x3fffffff
252 #define CFG_BANK7_ENABLE 0
254 #define CFG_ODCR 0xff
256 #define CFG_IBAT0L (CFG_SDRAM_BASE | BATL_PP_10 | BATL_MEMCOHERENCE)
257 #define CFG_IBAT0U (CFG_SDRAM_BASE | BATU_BL_256M | BATU_VS | BATU_VP)
259 #define CFG_IBAT1L (CFG_INIT_RAM_ADDR | BATL_PP_10 | BATL_MEMCOHERENCE)
260 #define CFG_IBAT1U (CFG_INIT_RAM_ADDR | BATU_BL_128K | BATU_VS | BATU_VP)
262 #define CFG_IBAT2L (0x80000000 | BATL_PP_10 | BATL_CACHEINHIBIT)
263 #define CFG_IBAT2U (0x80000000 | BATU_BL_256M | BATU_VS | BATU_VP)
265 #define CFG_IBAT3L (0xFC000000 | BATL_PP_10 | BATL_CACHEINHIBIT)
266 #define CFG_IBAT3U (0xFC000000 | BATU_BL_64M | BATU_VS | BATU_VP)
268 #define CFG_DBAT0L CFG_IBAT0L
269 #define CFG_DBAT0U CFG_IBAT0U
270 #define CFG_DBAT1L CFG_IBAT1L
271 #define CFG_DBAT1U CFG_IBAT1U
272 #define CFG_DBAT2L CFG_IBAT2L
273 #define CFG_DBAT2U CFG_IBAT2U
274 #define CFG_DBAT3L CFG_IBAT3L
275 #define CFG_DBAT3U CFG_IBAT3U
278 * For booting Linux, the board info and command line data
279 * have to be in the first 8 MB of memory, since this is
280 * the maximum mapped by the Linux kernel during initialization.
282 #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
284 /*-----------------------------------------------------------------------
287 #define CFG_MAX_FLASH_BANKS 1 /* Max number of flash banks */
288 #define CFG_MAX_FLASH_SECT 39 /* Max number of sectors in one bank */
289 #define INTEL_ID_28F160F3T 0x88F388F3 /* 16M = 1M x 16 top boot sector */
290 #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
291 #define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
293 /* Warining: environment is not EMBEDDED in the ppcboot code.
294 * It's stored in flash separately.
296 #define CFG_ENV_IS_IN_FLASH 1
298 #define CFG_ENV_ADDR (CFG_FLASH_BASE + 0x7C0000)
299 #define CFG_ENV_SIZE 0x4000 /* Size of the Environment */
300 #define CFG_ENV_OFFSET 0 /* starting right at the beginning */
301 #define CFG_ENV_SECT_SIZE 0x8000 /* Size of the Environment Sector */
303 /*-----------------------------------------------------------------------
304 * Cache Configuration
306 #define CFG_CACHELINE_SIZE 32
307 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
308 # define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */
312 * Internal Definitions
316 #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
317 #define BOOTFLAG_WARM 0x02 /* Software reboot */
320 #define SRAM_BASE 0x80000000 /* SRAM base address */
321 #define SRAM_END 0x801FFFFF
323 /*---------------------------------------------------------------------*/
324 /* CPC45 Memory Map */
325 /*---------------------------------------------------------------------*/
326 #define SRAM_BASE 0x80000000 /* SRAM base address */
327 #define ST16552_A_BASE 0x80200000 /* ST16552 channel A */
328 #define ST16552_B_BASE 0x80400000 /* ST16552 channel A */
329 #define BCSR_BASE 0x80600000 /* board control / status registers */
330 #define DISPLAY_BASE 0x80600040 /* DISPLAY base */
331 #define PCMCIA_MEM_BASE 0x81000000 /* PCMCIA memory window base */
332 #define PCMCIA_IO_BASE 0xFE000000 /* PCMCIA IO window base */
335 /*---------------------------------------------------------------------*/
336 /* CPC45 Control/Status Registers */
337 /*---------------------------------------------------------------------*/
338 #define IRQ_ENA_1 *((volatile uchar*)(BCSR_BASE + 0x00))
339 #define IRQ_STAT_1 *((volatile uchar*)(BCSR_BASE + 0x01))
340 #define IRQ_ENA_2 *((volatile uchar*)(BCSR_BASE + 0x02))
341 #define IRQ_STAT_2 *((volatile uchar*)(BCSR_BASE + 0x03))
342 #define BOARD_CTRL *((volatile uchar*)(BCSR_BASE + 0x04))
343 #define BOARD_STAT *((volatile uchar*)(BCSR_BASE + 0x05))
344 #define WDG_START *((volatile uchar*)(BCSR_BASE + 0x06))
345 #define WDG_PRESTOP *((volatile uchar*)(BCSR_BASE + 0x06))
346 #define WDG_STOP *((volatile uchar*)(BCSR_BASE + 0x06))
347 #define BOARD_REV *((volatile uchar*)(BCSR_BASE + 0x07))
349 /* IRQ_ENA_1 bit definitions */
350 #define I_ENA_1_IERA 0x80 /* INTA enable */
351 #define I_ENA_1_IERB 0x40 /* INTB enable */
352 #define I_ENA_1_IERC 0x20 /* INTC enable */
353 #define I_ENA_1_IERD 0x10 /* INTD enable */
355 /* IRQ_STAT_1 bit definitions */
356 #define I_STAT_1_INTA 0x80 /* INTA status */
357 #define I_STAT_1_INTB 0x40 /* INTB status */
358 #define I_STAT_1_INTC 0x20 /* INTC status */
359 #define I_STAT_1_INTD 0x10 /* INTD status */
361 /* IRQ_ENA_2 bit definitions */
362 #define I_ENA_2_IEAB 0x80 /* ABORT IRQ enable */
363 #define I_ENA_2_IEK1 0x40 /* KEY1 IRQ enable */
364 #define I_ENA_2_IEK2 0x20 /* KEY2 IRQ enable */
365 #define I_ENA_2_IERT 0x10 /* RTC IRQ enable */
366 #define I_ENA_2_IESM 0x08 /* LM81 IRQ enable */
367 #define I_ENA_2_IEDG 0x04 /* DEGENERATING IRQ enable */
368 #define I_ENA_2_IES2 0x02 /* ST16552/B IRQ enable */
369 #define I_ENA_2_IES1 0x01 /* ST16552/A IRQ enable */
371 /* IRQ_STAT_2 bit definitions */
372 #define I_STAT_2_ABO 0x80 /* ABORT IRQ status */
373 #define I_STAT_2_KY1 0x40 /* KEY1 IRQ status */
374 #define I_STAT_2_KY2 0x20 /* KEY2 IRQ status */
375 #define I_STAT_2_RTC 0x10 /* RTC IRQ status */
376 #define I_STAT_2_SMN 0x08 /* LM81 IRQ status */
377 #define I_STAT_2_DEG 0x04 /* DEGENERATING IRQ status */
378 #define I_STAT_2_SIO2 0x02 /* ST16552/B IRQ status */
379 #define I_STAT_2_SIO1 0x01 /* ST16552/A IRQ status */
381 /* BOARD_CTRL bit definitions */
382 #define USER_LEDS 2 /* 2 user LEDs */
385 #define B_CTRL_WRSE 0x80
386 #define B_CTRL_KRSE 0x40
387 #define B_CTRL_FWRE 0x20 /* Flash write enable */
388 #define B_CTRL_FWPT 0x10 /* Flash write protect */
389 #define B_CTRL_LED3 0x08 /* LED 3 control */
390 #define B_CTRL_LED2 0x04 /* LED 2 control */
391 #define B_CTRL_LED1 0x02 /* LED 1 control */
392 #define B_CTRL_LED0 0x01 /* LED 0 control */
394 #define B_CTRL_WRSE 0x80
395 #define B_CTRL_KRSE 0x40
396 #define B_CTRL_FWRE_1 0x20 /* Flash write enable */
397 #define B_CTRL_FWPT_1 0x10 /* Flash write protect */
398 #define B_CTRL_LED1 0x08 /* LED 1 control */
399 #define B_CTRL_LED0 0x04 /* LED 0 control */
400 #define B_CTRL_FWRE_0 0x02 /* Flash write enable */
401 #define B_CTRL_FWPT_0 0x01 /* Flash write protect */
404 /* BOARD_STAT bit definitions */
405 #define B_STAT_WDGE 0x80
406 #define B_STAT_WDGS 0x40
407 #define B_STAT_WRST 0x20
408 #define B_STAT_KRST 0x10
409 #define B_STAT_CSW3 0x08 /* sitch bit 3 status */
410 #define B_STAT_CSW2 0x04 /* sitch bit 2 status */
411 #define B_STAT_CSW1 0x02 /* sitch bit 1 status */
412 #define B_STAT_CSW0 0x01 /* sitch bit 0 status */
414 /*---------------------------------------------------------------------*/
415 /* Display addresses */
416 /*---------------------------------------------------------------------*/
417 #define DISP_UDC_RAM (DISPLAY_BASE + 0x08) /* UDC RAM */
418 #define DISP_CHR_RAM (DISPLAY_BASE + 0x18) /* character Ram */
419 #define DISP_FLASH (DISPLAY_BASE + 0x20) /* Flash Ram */
421 #define DISP_UDC_ADR *((volatile uchar*)(DISPLAY_BASE + 0x00)) /* UDC Address Reg. */
422 #define DISP_CWORD *((volatile uchar*)(DISPLAY_BASE + 0x10)) /* Control Word Reg. */
424 #define DISP_DIG0 *((volatile uchar*)(DISP_CHR_RAM + 0x00)) /* Digit 0 address */
425 #define DISP_DIG1 *((volatile uchar*)(DISP_CHR_RAM + 0x01)) /* Digit 0 address */
426 #define DISP_DIG2 *((volatile uchar*)(DISP_CHR_RAM + 0x02)) /* Digit 0 address */
427 #define DISP_DIG3 *((volatile uchar*)(DISP_CHR_RAM + 0x03)) /* Digit 0 address */
428 #define DISP_DIG4 *((volatile uchar*)(DISP_CHR_RAM + 0x04)) /* Digit 0 address */
429 #define DISP_DIG5 *((volatile uchar*)(DISP_CHR_RAM + 0x05)) /* Digit 0 address */
430 #define DISP_DIG6 *((volatile uchar*)(DISP_CHR_RAM + 0x06)) /* Digit 0 address */
431 #define DISP_DIG7 *((volatile uchar*)(DISP_CHR_RAM + 0x07)) /* Digit 0 address */
434 /*-----------------------------------------------------------------------
436 *-----------------------------------------------------------------------
438 #define CONFIG_PCI /* include pci support */
439 #undef CONFIG_PCI_PNP
441 #define CONFIG_NET_MULTI /* Multi ethernet cards support */
443 #define CONFIG_EEPRO100
444 #define CFG_RX_ETH_BUFFER 8 /* use 8 rx buffer on eepro100 */
446 #define PCI_ENET0_IOADDR 0x00104000
447 #define PCI_ENET0_MEMADDR 0x82000000
448 #define PCI_PLX9030_MEMADDR 0x82100000
449 #endif /* __CONFIG_H */