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,
24 /* ------------------------------------------------------------------------- */
27 * board/config.h - configuration options, board specific
34 * High Level Configuration Options
38 #define CONFIG_MPC824X 1
39 /* #define CONFIG_MPC8240 1 */
40 #define CONFIG_MPC8245 1
41 #define CONFIG_EXALION 1
43 #if defined (CONFIG_MPC8240)
44 /* #warning ---------- eXalion with MPC8240 --------------- */
45 #elif defined (CONFIG_MPC8245)
46 /* #warning ++++++++++ eXalion with MPC8245 +++++++++++++++ */
47 #elif defined (CONFIG_MPC8245) && defined (CONFIG_MPC8245)
48 #error #### Both types of MPC824x defined (CONFIG_8240 and CONFIG_8245)
50 #error #### Specific type of MPC824x must be defined (i.e. CONFIG_MPC8240)
52 /* older kernels need clock in MHz newer in Hz */
53 /* #define CONFIG_CLOCKS_IN_MHZ 1 */ /* clocks passsed to Linux in MHz */
54 #undef CONFIG_CLOCKS_IN_MHZ
56 #define CONFIG_BOOTDELAY 10
59 /*#define CONFIG_DRAM_SPEED 66 */ /* MHz */
64 #define CONFIG_BOOTP_BOOTFILESIZE
65 #define CONFIG_BOOTP_BOOTPATH
66 #define CONFIG_BOOTP_GATEWAY
67 #define CONFIG_BOOTP_HOSTNAME
71 * Command line configuration.
73 #include <config_cmd_default.h>
75 #define CONFIG_CMD_FLASH
76 #define CONFIG_CMD_SDRAM
77 #define CONFIG_CMD_I2C
78 #define CONFIG_CMD_IDE
79 #define CONFIG_CMD_FAT
80 #define CONFIG_CMD_ENV
81 #define CONFIG_CMD_PCI
84 /*-----------------------------------------------------------------------
85 * Miscellaneous configurable options
87 #define CFG_LONGHELP 1 /* undef to save memory */
88 #define CFG_PROMPT "=> " /* Monitor Command Prompt */
89 #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
90 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
91 #define CFG_MAXARGS 8 /* max number of command args */
92 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
93 #define CFG_LOAD_ADDR 0x00100000 /* default load address */
95 #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
97 #define CONFIG_MISC_INIT_R 1
99 /*-----------------------------------------------------------------------
100 * Start addresses for the final memory configuration
101 * (Set up by the startup code)
102 * Please note that CFG_SDRAM_BASE _must_ start at 0
104 #define CFG_SDRAM_BASE 0x00000000
105 #define CFG_MAX_RAM_SIZE 0x10000000 /* 1 GBytes - initdram() will */
106 /* return real value. */
108 #define CFG_RESET_ADDRESS 0xFFF00100
111 #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
112 #define CFG_MONITOR_BASE TEXT_BASE
114 /*-----------------------------------------------------------------------
115 * Definitions for initial stack pointer and data area
117 #define CFG_INIT_DATA_SIZE 128
119 #define CFG_INIT_RAM_ADDR 0x40000000
120 #define CFG_INIT_RAM_END 0x1000
121 #define CFG_INIT_DATA_OFFSET (CFG_INIT_RAM_END - CFG_INIT_DATA_SIZE)
123 #define CFG_GBL_DATA_SIZE 256 /* size in bytes reserved for initial data */
124 #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
125 #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
128 #if defined (CONFIG_MPC8240)
129 #define CFG_FLASH_BASE 0xFFE00000
130 #define CFG_FLASH_SIZE (2 * 1024 * 1024) /* onboard 2MByte flash */
131 #elif defined (CONFIG_MPC8245)
132 #define CFG_FLASH_BASE 0xFFC00000
133 #define CFG_FLASH_SIZE (4 * 1024 * 1024) /* onboard 4MByte flash */
135 #error Specific type of MPC824x must be defined (i.e. CONFIG_MPC8240)
138 #define CFG_ENV_IS_IN_FLASH 1
139 #define CFG_ENV_SECT_SIZE 0x20000 /* Size of one Flash sector */
140 #define CFG_ENV_SIZE CFG_ENV_SECT_SIZE /* Use one Flash sector for enviroment */
141 #define CFG_ENV_ADDR 0xFFFC0000
142 #define CFG_ENV_OFFSET 0 /* starting right at the beginning */
144 #define CFG_MALLOC_LEN (128 * 1024) /* Reserve 128 kB for malloc() */
146 #define CFG_ALT_MEMTEST 1 /* use real memory test */
147 #define CFG_MEMTEST_START 0x00004000 /* memtest works on */
148 #define CFG_MEMTEST_END 0x02000000 /* 0 ... 32 MB in DRAM */
150 #define CFG_EUMB_ADDR 0xFC000000
152 /* #define CFG_ISA_MEM 0xFD000000 */
153 #define CFG_ISA_IO 0xFE000000
155 /*-----------------------------------------------------------------------
158 #define CFG_MAX_FLASH_BANKS 1 /* Max number of flash banks */
159 #define CFG_MAX_FLASH_SECT 64 /* Max number of sectors per flash */
161 #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
162 #define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
164 #define FLASH_BASE0_PRELIM CFG_FLASH_BASE
165 #define FLASH_BASE1_PRELIM 0
168 /*-----------------------------------------------------------------------
169 * FLASH and environment organization
172 #define CFG_FLASH_CFI 1 /* Flash is CFI conformant */
173 #define CFG_FLASH_CFI_DRIVER 1 /* Use the common driver */
174 #define CFG_MAX_FLASH_SECT 64 /* max number of sectors on one chip */
175 #define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
176 #define CFG_FLASH_INCREMENT 0 /* there is only one bank */
177 #define CFG_FLASH_PROTECTION 1 /* use hardware protection */
178 #define CFG_FLASH_USE_BUFFER_WRITE 1 /* use buffered writes (20x faster) */
181 /*-----------------------------------------------------------------------
184 #define CONFIG_PCI 1 /* include pci support */
185 #undef CONFIG_PCI_PNP
187 #define CONFIG_NET_MULTI 1 /* Multi ethernet cards support */
189 #define CONFIG_EEPRO100 1
191 #define PCI_ENET0_MEMADDR 0x80000000 /* Intel 82559ER */
192 #define PCI_ENET0_IOADDR 0x80000000
193 #define PCI_ENET1_MEMADDR 0x81000000 /* Intel 82559ER */
194 #define PCI_ENET1_IOADDR 0x81000000
195 #define PCI_ENET2_MEMADDR 0x82000000 /* Broadcom BCM569xx */
196 #define PCI_ENET2_IOADDR 0x82000000
197 #define PCI_ENET3_MEMADDR 0x83000000 /* Broadcom BCM56xx */
198 #define PCI_ENET3_IOADDR 0x83000000
200 /*-----------------------------------------------------------------------
201 * NS16550 Configuration
203 #define CFG_NS16550 1
204 #define CFG_NS16550_SERIAL 1
206 #define CONFIG_CONS_INDEX 1
207 #define CONFIG_BAUDRATE 38400
209 #define CFG_NS16550_REG_SIZE 1
211 #if (CONFIG_CONS_INDEX == 1)
212 #define CFG_NS16550_CLK 1843200 /* COM1 only ! */
214 #define CFG_NS16550_CLK ({ extern ulong get_bus_freq (ulong); get_bus_freq (0); })
217 #define CFG_NS16550_COM1 (CFG_ISA_IO + 0x3F8)
218 #define CFG_NS16550_COM2 (CFG_EUMB_ADDR + 0x4500)
219 #define CFG_NS16550_COM3 (CFG_EUMB_ADDR + 0x4600)
221 /*-----------------------------------------------------------------------
222 * select i2c support configuration
224 * Supported configurations are {none, software, hardware} drivers.
225 * If the software driver is chosen, there are some additional
226 * configuration items that the driver uses to drive the port pins.
228 #define CONFIG_HARD_I2C 1 /* To enable I2C support */
229 #undef CONFIG_SOFT_I2C /* I2C bit-banged */
230 #define CFG_I2C_SPEED 400000 /* I2C speed and slave address */
231 #define CFG_I2C_SLAVE 0x7F
233 /*-----------------------------------------------------------------------
234 * Low Level Configuration Settings
235 * (address mappings, register initial values, etc.)
236 * You should know what you are doing if you make changes here.
240 #define CONFIG_SYS_CLK_FREQ 33333333 /* external frequency to pll */
241 #define CONFIG_PLL_PCI_TO_MEM_MULTIPLIER 2 /* for MPC8240 only */
243 /*#define CONFIG_133MHZ_DRAM 1 */ /* For 133 MHZ DRAM only !!!!!!!!!!! */
245 #if defined (CONFIG_MPC8245)
246 /* Bit-field values for PMCR2. */
247 #if defined (CONFIG_133MHZ_DRAM)
248 #define CFG_DLL_EXTEND 0x80 /* use DLL extended range - 133MHz only */
249 #define CFG_PCI_HOLD_DEL 0x20 /* delay and hold timing - 133MHz only */
252 /* Bit-field values for MIOCR1. */
253 #if !defined (CONFIG_133MHZ_DRAM)
254 #define CFG_DLL_MAX_DELAY 0x04 /* longer DLL delay line - 66MHz only */
256 /* Bit-field values for MIOCR2. */
257 #define CFG_SDRAM_DSCD 0x20 /* SDRAM data in sample clock delay */
258 /* - note bottom 3 bits MUST be 0 */
261 /* Bit-field values for MCCR1. */
262 #define CFG_ROMNAL 7 /*rom/flash next access time */
263 #define CFG_ROMFAL 11 /*rom/flash access time */
265 /* Bit-field values for MCCR2. */
266 #define CFG_TSWAIT 0x5 /* Transaction Start Wait States timer */
267 #if defined (CONFIG_133MHZ_DRAM)
268 #define CFG_REFINT 1300 /* no of clock cycles between CBR */
269 #else /* refresh cycles */
270 #define CFG_REFINT 750
273 /* Burst To Precharge. Bits of this value go to MCCR3 and MCCR4. */
274 #if defined (CONFIG_133MHZ_DRAM)
275 #define CFG_BSTOPRE 1023
277 #define CFG_BSTOPRE 250
280 /* Bit-field values for MCCR3. */
281 /* the following are for SDRAM only */
283 #if defined (CONFIG_133MHZ_DRAM)
284 #define CFG_REFREC 9 /* Refresh to activate interval */
286 #define CFG_REFREC 5 /* Refresh to activate interval */
288 #if defined (CONFIG_MPC8240)
289 #define CFG_RDLAT 2 /* data latency from read command */
292 /* Bit-field values for MCCR4. */
293 #if defined (CONFIG_133MHZ_DRAM)
294 #define CFG_PRETOACT 3 /* Precharge to activate interval */
295 #define CFG_ACTTOPRE 7 /* Activate to Precharge interval */
296 #define CFG_ACTORW 5 /* Activate to R/W */
297 #define CFG_SDMODE_CAS_LAT 3 /* SDMODE CAS latency */
300 #define CFG_PRETOACT 2 /* Precharge to activate interval */
301 #define CFG_ACTTOPRE 3 /* Activate to Precharge interval */
302 #define CFG_ACTORW 3 /* Activate to R/W */
303 #define CFG_SDMODE_CAS_LAT 2 /* SDMODE CAS latency */
305 #define CFG_PRETOACT 2 /* Precharge to activate interval */
306 #define CFG_ACTTOPRE 5 /* Activate to Precharge interval */
307 #define CFG_ACTORW 3 /* Activate to R/W */
308 #define CFG_SDMODE_CAS_LAT 3 /* SDMODE CAS latency */
310 #define CFG_SDMODE_WRAP 0 /* SDMODE wrap type */
311 #define CFG_SDMODE_BURSTLEN 2 /* SDMODE Burst length 2=4, 3=8 */
312 #define CFG_REGDIMM 0
313 #if defined (CONFIG_MPC8240)
314 #define CFG_REGISTERD_TYPE_BUFFER 0
315 #elif defined (CONFIG_MPC8245)
316 #define CFG_REGISTERD_TYPE_BUFFER 1
319 #error Specific type of MPC824x must be defined (i.e. CONFIG_MPC8240)
323 /*-----------------------------------------------------------------------
325 * only bits 20-29 are actually used from these vales to set the
326 * start/end address the upper two bits will be 0, and the lower 20
327 * bits will be set to 0x00000 for a start address, or 0xfffff for an
330 #define CFG_BANK0_START 0x00000000
331 #define CFG_BANK0_END (CFG_MAX_RAM_SIZE - 1)
332 #define CFG_BANK0_ENABLE 1
333 #define CFG_BANK1_START 0x3ff00000
334 #define CFG_BANK1_END 0x3fffffff
335 #define CFG_BANK1_ENABLE 0
336 #define CFG_BANK2_START 0x3ff00000
337 #define CFG_BANK2_END 0x3fffffff
338 #define CFG_BANK2_ENABLE 0
339 #define CFG_BANK3_START 0x3ff00000
340 #define CFG_BANK3_END 0x3fffffff
341 #define CFG_BANK3_ENABLE 0
342 #define CFG_BANK4_START 0x00000000
343 #define CFG_BANK4_END 0x00000000
344 #define CFG_BANK4_ENABLE 0
345 #define CFG_BANK5_START 0x00000000
346 #define CFG_BANK5_END 0x00000000
347 #define CFG_BANK5_ENABLE 0
348 #define CFG_BANK6_START 0x00000000
349 #define CFG_BANK6_END 0x00000000
350 #define CFG_BANK6_ENABLE 0
351 #define CFG_BANK7_START 0x00000000
352 #define CFG_BANK7_END 0x00000000
353 #define CFG_BANK7_ENABLE 0
355 /*-----------------------------------------------------------------------
356 * Memory bank enable bitmask, specifying which of the banks defined above
357 are actually present. MSB is for bank #7, LSB is for bank #0.
359 #define CFG_BANK_ENABLE 0x01
361 #if defined (CONFIG_MPC8240)
362 #define CFG_ODCR 0xDF /* configures line driver impedances, */
363 /* see 8240 book for bit definitions */
364 #elif defined (CONFIG_MPC8245)
365 #if defined (CONFIG_133MHZ_DRAM)
366 #define CFG_ODCR 0xFE /* configures line driver impedances - 133MHz */
368 #define CFG_ODCR 0xDE /* configures line driver impedances - 66MHz */
371 #error Specific type of MPC824x must be defined (i.e. CONFIG_MPC8240)
374 #define CFG_PGMAX 0x32 /* how long the 8240 retains the */
375 /* currently accessed page in memory */
376 /* see 8240 book for details */
378 /*-----------------------------------------------------------------------
379 * Block Address Translation (BAT) register settings.
381 /* SDRAM 0 - 256MB */
382 #define CFG_IBAT0L (CFG_SDRAM_BASE | BATL_PP_10 | BATL_MEMCOHERENCE)
383 #define CFG_IBAT0U (CFG_SDRAM_BASE | BATU_BL_256M | BATU_VS | BATU_VP)
385 /* stack in DCACHE @ 1GB (no backing mem) */
386 #define CFG_IBAT1L (CFG_INIT_RAM_ADDR | BATL_PP_10 | BATL_MEMCOHERENCE)
387 #define CFG_IBAT1U (CFG_INIT_RAM_ADDR | BATU_BL_128K | BATU_VS | BATU_VP)
390 #define CFG_IBAT2L (0x80000000 | BATL_PP_10 | BATL_CACHEINHIBIT)
391 #define CFG_IBAT2U (0x80000000 | BATU_BL_256M | BATU_VS | BATU_VP)
393 /* Flash, config addrs, etc */
394 #define CFG_IBAT3L (0xF0000000 | BATL_PP_10 | BATL_CACHEINHIBIT)
395 #define CFG_IBAT3U (0xF0000000 | BATU_BL_256M | BATU_VS | BATU_VP)
397 #define CFG_DBAT0L CFG_IBAT0L
398 #define CFG_DBAT0U CFG_IBAT0U
399 #define CFG_DBAT1L CFG_IBAT1L
400 #define CFG_DBAT1U CFG_IBAT1U
401 #define CFG_DBAT2L CFG_IBAT2L
402 #define CFG_DBAT2U CFG_IBAT2U
403 #define CFG_DBAT3L CFG_IBAT3L
404 #define CFG_DBAT3U CFG_IBAT3U
407 /*-----------------------------------------------------------------------
408 * Cache Configuration
410 #define CFG_CACHELINE_SIZE 32
411 #if defined(CONFIG_CMD_KGDB)
412 # define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */
416 /*-----------------------------------------------------------------------
417 * Internal Definitions
421 #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
422 #define BOOTFLAG_WARM 0x02 /* Software reboot */
425 /* values according to the manual */
426 #define CONFIG_DRAM_50MHZ 1
427 #define CONFIG_SDRAM_50MHZ
430 #define NR_8259_INTS 1
432 /*-----------------------------------------------------------------------
435 #define CFG_IDE_MAXBUS 1 /* max. 2 IDE busses */
436 #define CFG_IDE_MAXDEVICE (CFG_IDE_MAXBUS*1) /* max. 2 drives per IDE bus */
438 #define CFG_ATA_BASE_ADDR CFG_ISA_IO /* base address */
439 #define CFG_ATA_IDE0_OFFSET 0x01F0 /* ide0 offste */
440 #define CFG_ATA_IDE1_OFFSET 0x0170 /* ide1 offset */
441 #define CFG_ATA_DATA_OFFSET 0 /* data reg offset */
442 #define CFG_ATA_REG_OFFSET 0 /* reg offset */
443 #define CFG_ATA_ALT_OFFSET 0x200 /* alternate register offset */
447 #undef CONFIG_IDE_8xx_DIRECT /* no pcmcia interface required */
448 #undef CONFIG_IDE_LED /* no led for ide supported */
449 #undef CONFIG_IDE_RESET /* reset for ide supported... */
450 #undef CONFIG_IDE_RESET_ROUTINE /* with a special reset function */
452 /*-----------------------------------------------------------------------
453 * DISK Partition support
455 #define CONFIG_DOS_PARTITION
457 /*-----------------------------------------------------------------------
458 * For booting Linux, the board info and command line data
459 * have to be in the first 8 MB of memory, since this is
460 * the maximum mapped by the Linux kernel during initialization.
462 #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
464 #endif /* __CONFIG_H */