3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 * SPDX-License-Identifier: GPL-2.0+
8 /* ------------------------------------------------------------------------- */
11 * board/config.h - configuration options, board specific
18 * High Level Configuration Options
22 #define CONFIG_MPC824X 1
23 /* #define CONFIG_MPC8240 1 */
24 #define CONFIG_MPC8245 1
25 #define CONFIG_EXALION 1
27 #define CONFIG_SYS_TEXT_BASE 0xFFF00000
29 #if defined (CONFIG_MPC8240)
30 /* #warning ---------- eXalion with MPC8240 --------------- */
31 #elif defined (CONFIG_MPC8245)
32 /* #warning ++++++++++ eXalion with MPC8245 +++++++++++++++ */
33 #elif defined (CONFIG_MPC8245) && defined (CONFIG_MPC8245)
34 #error #### Both types of MPC824x defined (CONFIG_8240 and CONFIG_8245)
36 #error #### Specific type of MPC824x must be defined (i.e. CONFIG_MPC8240)
38 /* older kernels need clock in MHz newer in Hz */
39 /* #define CONFIG_CLOCKS_IN_MHZ 1 */ /* clocks passsed to Linux in MHz */
40 #undef CONFIG_CLOCKS_IN_MHZ
42 #define CONFIG_BOOTDELAY 10
45 /*#define CONFIG_DRAM_SPEED 66 */ /* MHz */
50 #define CONFIG_BOOTP_BOOTFILESIZE
51 #define CONFIG_BOOTP_BOOTPATH
52 #define CONFIG_BOOTP_GATEWAY
53 #define CONFIG_BOOTP_HOSTNAME
57 * Command line configuration.
59 #include <config_cmd_default.h>
61 #define CONFIG_CMD_FLASH
62 #define CONFIG_CMD_SDRAM
63 #define CONFIG_CMD_I2C
64 #define CONFIG_CMD_IDE
65 #define CONFIG_CMD_FAT
66 #define CONFIG_CMD_SAVEENV
67 #define CONFIG_CMD_PCI
70 /*-----------------------------------------------------------------------
71 * Miscellaneous configurable options
73 #define CONFIG_SYS_LONGHELP 1 /* undef to save memory */
74 #define CONFIG_SYS_PROMPT "=> " /* Monitor Command Prompt */
75 #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
76 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
77 #define CONFIG_SYS_MAXARGS 8 /* max number of command args */
78 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
79 #define CONFIG_SYS_LOAD_ADDR 0x00100000 /* default load address */
80 #define CONFIG_MISC_INIT_R 1
82 /*-----------------------------------------------------------------------
83 * Start addresses for the final memory configuration
84 * (Set up by the startup code)
85 * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
87 #define CONFIG_SYS_SDRAM_BASE 0x00000000
88 #define CONFIG_SYS_MAX_RAM_SIZE 0x10000000 /* 1 GBytes - initdram() will */
89 /* return real value. */
91 #define CONFIG_SYS_RESET_ADDRESS 0xFFF00100
93 #undef CONFIG_SYS_RAMBOOT
94 #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
95 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE
97 /*-----------------------------------------------------------------------
98 * Definitions for initial stack pointer and data area
100 #define CONFIG_SYS_INIT_DATA_SIZE 128
102 #define CONFIG_SYS_INIT_RAM_ADDR 0x40000000
103 #define CONFIG_SYS_INIT_RAM_SIZE 0x1000
104 #define CONFIG_SYS_INIT_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - CONFIG_SYS_INIT_DATA_SIZE)
106 #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
107 #define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
110 #if defined (CONFIG_MPC8240)
111 #define CONFIG_SYS_FLASH_BASE 0xFFE00000
112 #define CONFIG_SYS_FLASH_SIZE (2 * 1024 * 1024) /* onboard 2MByte flash */
113 #elif defined (CONFIG_MPC8245)
114 #define CONFIG_SYS_FLASH_BASE 0xFFC00000
115 #define CONFIG_SYS_FLASH_SIZE (4 * 1024 * 1024) /* onboard 4MByte flash */
117 #error Specific type of MPC824x must be defined (i.e. CONFIG_MPC8240)
120 #define CONFIG_ENV_IS_IN_FLASH 1
121 #define CONFIG_ENV_SECT_SIZE 0x20000 /* Size of one Flash sector */
122 #define CONFIG_ENV_SIZE CONFIG_ENV_SECT_SIZE /* Use one Flash sector for environment */
123 #define CONFIG_ENV_ADDR 0xFFFC0000
124 #define CONFIG_ENV_OFFSET 0 /* starting right at the beginning */
126 #define CONFIG_SYS_MALLOC_LEN (128 * 1024) /* Reserve 128 kB for malloc() */
128 #define CONFIG_SYS_ALT_MEMTEST 1 /* use real memory test */
129 #define CONFIG_SYS_MEMTEST_START 0x00004000 /* memtest works on */
130 #define CONFIG_SYS_MEMTEST_END 0x02000000 /* 0 ... 32 MB in DRAM */
132 #define CONFIG_SYS_EUMB_ADDR 0xFC000000
134 /* #define CONFIG_SYS_ISA_MEM 0xFD000000 */
135 #define CONFIG_SYS_ISA_IO 0xFE000000
137 /*-----------------------------------------------------------------------
140 #define CONFIG_SYS_MAX_FLASH_BANKS 1 /* Max number of flash banks */
141 #define CONFIG_SYS_MAX_FLASH_SECT 64 /* Max number of sectors per flash */
143 #define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
144 #define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
146 #define FLASH_BASE0_PRELIM CONFIG_SYS_FLASH_BASE
147 #define FLASH_BASE1_PRELIM 0
150 /*-----------------------------------------------------------------------
151 * FLASH and environment organization
154 #define CONFIG_SYS_FLASH_CFI 1 /* Flash is CFI conformant */
155 #define CONFIG_FLASH_CFI_DRIVER 1 /* Use the common driver */
156 #define CONFIG_SYS_MAX_FLASH_SECT 64 /* max number of sectors on one chip */
157 #define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */
158 #define CONFIG_SYS_FLASH_INCREMENT 0 /* there is only one bank */
159 #define CONFIG_SYS_FLASH_PROTECTION 1 /* use hardware protection */
160 #define CONFIG_SYS_FLASH_USE_BUFFER_WRITE 1 /* use buffered writes (20x faster) */
163 /*-----------------------------------------------------------------------
166 #define CONFIG_PCI 1 /* include pci support */
167 #define CONFIG_PCI_INDIRECT_BRIDGE 1 /* indirect PCI bridge support */
168 #undef CONFIG_PCI_PNP
171 #define CONFIG_EEPRO100 1
173 #define PCI_ENET0_MEMADDR 0x80000000 /* Intel 82559ER */
174 #define PCI_ENET0_IOADDR 0x80000000
175 #define PCI_ENET1_MEMADDR 0x81000000 /* Intel 82559ER */
176 #define PCI_ENET1_IOADDR 0x81000000
177 #define PCI_ENET2_MEMADDR 0x82000000 /* Broadcom BCM569xx */
178 #define PCI_ENET2_IOADDR 0x82000000
179 #define PCI_ENET3_MEMADDR 0x83000000 /* Broadcom BCM56xx */
180 #define PCI_ENET3_IOADDR 0x83000000
182 /*-----------------------------------------------------------------------
183 * NS16550 Configuration
185 #define CONFIG_SYS_NS16550 1
186 #define CONFIG_SYS_NS16550_SERIAL 1
188 #define CONFIG_CONS_INDEX 1
189 #define CONFIG_BAUDRATE 38400
191 #define CONFIG_SYS_NS16550_REG_SIZE 1
193 #if (CONFIG_CONS_INDEX == 1)
194 #define CONFIG_SYS_NS16550_CLK 1843200 /* COM1 only ! */
196 #define CONFIG_SYS_NS16550_CLK ({ extern ulong get_bus_freq (ulong); get_bus_freq (0); })
199 #define CONFIG_SYS_NS16550_COM1 (CONFIG_SYS_ISA_IO + 0x3F8)
200 #define CONFIG_SYS_NS16550_COM2 (CONFIG_SYS_EUMB_ADDR + 0x4500)
201 #define CONFIG_SYS_NS16550_COM3 (CONFIG_SYS_EUMB_ADDR + 0x4600)
203 /*-----------------------------------------------------------------------
204 * select i2c support configuration
206 * Supported configurations are {none, software, hardware} drivers.
207 * If the software driver is chosen, there are some additional
208 * configuration items that the driver uses to drive the port pins.
210 #define CONFIG_HARD_I2C 1 /* To enable I2C support */
211 #undef CONFIG_SYS_I2C_SOFT /* I2C bit-banged */
212 #define CONFIG_SYS_I2C_SPEED 400000 /* I2C speed and slave address */
213 #define CONFIG_SYS_I2C_SLAVE 0x7F
215 /*-----------------------------------------------------------------------
216 * Low Level Configuration Settings
217 * (address mappings, register initial values, etc.)
218 * You should know what you are doing if you make changes here.
220 #define CONFIG_SYS_HZ 1000
222 #define CONFIG_SYS_CLK_FREQ 33333333 /* external frequency to pll */
223 #define CONFIG_PLL_PCI_TO_MEM_MULTIPLIER 2 /* for MPC8240 only */
225 /*#define CONFIG_133MHZ_DRAM 1 */ /* For 133 MHZ DRAM only !!!!!!!!!!! */
227 #if defined (CONFIG_MPC8245)
228 /* Bit-field values for PMCR2. */
229 #if defined (CONFIG_133MHZ_DRAM)
230 #define CONFIG_SYS_DLL_EXTEND 0x80 /* use DLL extended range - 133MHz only */
231 #define CONFIG_SYS_PCI_HOLD_DEL 0x20 /* delay and hold timing - 133MHz only */
234 /* Bit-field values for MIOCR1. */
235 #if !defined (CONFIG_133MHZ_DRAM)
236 #define CONFIG_SYS_DLL_MAX_DELAY 0x04 /* longer DLL delay line - 66MHz only */
238 /* Bit-field values for MIOCR2. */
239 #define CONFIG_SYS_SDRAM_DSCD 0x20 /* SDRAM data in sample clock delay */
240 /* - note bottom 3 bits MUST be 0 */
243 /* Bit-field values for MCCR1. */
244 #define CONFIG_SYS_ROMNAL 7 /*rom/flash next access time */
245 #define CONFIG_SYS_ROMFAL 11 /*rom/flash access time */
247 /* Bit-field values for MCCR2. */
248 #define CONFIG_SYS_TSWAIT 0x5 /* Transaction Start Wait States timer */
249 #if defined (CONFIG_133MHZ_DRAM)
250 #define CONFIG_SYS_REFINT 1300 /* no of clock cycles between CBR */
251 #else /* refresh cycles */
252 #define CONFIG_SYS_REFINT 750
255 /* Burst To Precharge. Bits of this value go to MCCR3 and MCCR4. */
256 #if defined (CONFIG_133MHZ_DRAM)
257 #define CONFIG_SYS_BSTOPRE 1023
259 #define CONFIG_SYS_BSTOPRE 250
262 /* Bit-field values for MCCR3. */
263 /* the following are for SDRAM only */
265 #if defined (CONFIG_133MHZ_DRAM)
266 #define CONFIG_SYS_REFREC 9 /* Refresh to activate interval */
268 #define CONFIG_SYS_REFREC 5 /* Refresh to activate interval */
270 #if defined (CONFIG_MPC8240)
271 #define CONFIG_SYS_RDLAT 2 /* data latency from read command */
274 /* Bit-field values for MCCR4. */
275 #if defined (CONFIG_133MHZ_DRAM)
276 #define CONFIG_SYS_PRETOACT 3 /* Precharge to activate interval */
277 #define CONFIG_SYS_ACTTOPRE 7 /* Activate to Precharge interval */
278 #define CONFIG_SYS_ACTORW 5 /* Activate to R/W */
279 #define CONFIG_SYS_SDMODE_CAS_LAT 3 /* SDMODE CAS latency */
282 #define CONFIG_SYS_PRETOACT 2 /* Precharge to activate interval */
283 #define CONFIG_SYS_ACTTOPRE 3 /* Activate to Precharge interval */
284 #define CONFIG_SYS_ACTORW 3 /* Activate to R/W */
285 #define CONFIG_SYS_SDMODE_CAS_LAT 2 /* SDMODE CAS latency */
287 #define CONFIG_SYS_PRETOACT 2 /* Precharge to activate interval */
288 #define CONFIG_SYS_ACTTOPRE 5 /* Activate to Precharge interval */
289 #define CONFIG_SYS_ACTORW 3 /* Activate to R/W */
290 #define CONFIG_SYS_SDMODE_CAS_LAT 3 /* SDMODE CAS latency */
292 #define CONFIG_SYS_SDMODE_WRAP 0 /* SDMODE wrap type */
293 #define CONFIG_SYS_SDMODE_BURSTLEN 2 /* SDMODE Burst length 2=4, 3=8 */
294 #define CONFIG_SYS_REGDIMM 0
295 #if defined (CONFIG_MPC8240)
296 #define CONFIG_SYS_REGISTERD_TYPE_BUFFER 0
297 #elif defined (CONFIG_MPC8245)
298 #define CONFIG_SYS_REGISTERD_TYPE_BUFFER 1
299 #define CONFIG_SYS_EXTROM 0
301 #error Specific type of MPC824x must be defined (i.e. CONFIG_MPC8240)
305 /*-----------------------------------------------------------------------
307 * only bits 20-29 are actually used from these vales to set the
308 * start/end address the upper two bits will be 0, and the lower 20
309 * bits will be set to 0x00000 for a start address, or 0xfffff for an
312 #define CONFIG_SYS_BANK0_START 0x00000000
313 #define CONFIG_SYS_BANK0_END (CONFIG_SYS_MAX_RAM_SIZE - 1)
314 #define CONFIG_SYS_BANK0_ENABLE 1
315 #define CONFIG_SYS_BANK1_START 0x3ff00000
316 #define CONFIG_SYS_BANK1_END 0x3fffffff
317 #define CONFIG_SYS_BANK1_ENABLE 0
318 #define CONFIG_SYS_BANK2_START 0x3ff00000
319 #define CONFIG_SYS_BANK2_END 0x3fffffff
320 #define CONFIG_SYS_BANK2_ENABLE 0
321 #define CONFIG_SYS_BANK3_START 0x3ff00000
322 #define CONFIG_SYS_BANK3_END 0x3fffffff
323 #define CONFIG_SYS_BANK3_ENABLE 0
324 #define CONFIG_SYS_BANK4_START 0x00000000
325 #define CONFIG_SYS_BANK4_END 0x00000000
326 #define CONFIG_SYS_BANK4_ENABLE 0
327 #define CONFIG_SYS_BANK5_START 0x00000000
328 #define CONFIG_SYS_BANK5_END 0x00000000
329 #define CONFIG_SYS_BANK5_ENABLE 0
330 #define CONFIG_SYS_BANK6_START 0x00000000
331 #define CONFIG_SYS_BANK6_END 0x00000000
332 #define CONFIG_SYS_BANK6_ENABLE 0
333 #define CONFIG_SYS_BANK7_START 0x00000000
334 #define CONFIG_SYS_BANK7_END 0x00000000
335 #define CONFIG_SYS_BANK7_ENABLE 0
337 /*-----------------------------------------------------------------------
338 * Memory bank enable bitmask, specifying which of the banks defined above
339 are actually present. MSB is for bank #7, LSB is for bank #0.
341 #define CONFIG_SYS_BANK_ENABLE 0x01
343 #if defined (CONFIG_MPC8240)
344 #define CONFIG_SYS_ODCR 0xDF /* configures line driver impedances, */
345 /* see 8240 book for bit definitions */
346 #elif defined (CONFIG_MPC8245)
347 #if defined (CONFIG_133MHZ_DRAM)
348 #define CONFIG_SYS_ODCR 0xFE /* configures line driver impedances - 133MHz */
350 #define CONFIG_SYS_ODCR 0xDE /* configures line driver impedances - 66MHz */
353 #error Specific type of MPC824x must be defined (i.e. CONFIG_MPC8240)
356 #define CONFIG_SYS_PGMAX 0x32 /* how long the 8240 retains the */
357 /* currently accessed page in memory */
358 /* see 8240 book for details */
360 /*-----------------------------------------------------------------------
361 * Block Address Translation (BAT) register settings.
363 /* SDRAM 0 - 256MB */
364 #define CONFIG_SYS_IBAT0L (CONFIG_SYS_SDRAM_BASE | BATL_PP_10 | BATL_MEMCOHERENCE)
365 #define CONFIG_SYS_IBAT0U (CONFIG_SYS_SDRAM_BASE | BATU_BL_256M | BATU_VS | BATU_VP)
367 /* stack in DCACHE @ 1GB (no backing mem) */
368 #define CONFIG_SYS_IBAT1L (CONFIG_SYS_INIT_RAM_ADDR | BATL_PP_10 | BATL_MEMCOHERENCE)
369 #define CONFIG_SYS_IBAT1U (CONFIG_SYS_INIT_RAM_ADDR | BATU_BL_128K | BATU_VS | BATU_VP)
372 #define CONFIG_SYS_IBAT2L (0x80000000 | BATL_PP_10 | BATL_CACHEINHIBIT)
373 #define CONFIG_SYS_IBAT2U (0x80000000 | BATU_BL_256M | BATU_VS | BATU_VP)
375 /* Flash, config addrs, etc */
376 #define CONFIG_SYS_IBAT3L (0xF0000000 | BATL_PP_10 | BATL_CACHEINHIBIT)
377 #define CONFIG_SYS_IBAT3U (0xF0000000 | BATU_BL_256M | BATU_VS | BATU_VP)
379 #define CONFIG_SYS_DBAT0L CONFIG_SYS_IBAT0L
380 #define CONFIG_SYS_DBAT0U CONFIG_SYS_IBAT0U
381 #define CONFIG_SYS_DBAT1L CONFIG_SYS_IBAT1L
382 #define CONFIG_SYS_DBAT1U CONFIG_SYS_IBAT1U
383 #define CONFIG_SYS_DBAT2L CONFIG_SYS_IBAT2L
384 #define CONFIG_SYS_DBAT2U CONFIG_SYS_IBAT2U
385 #define CONFIG_SYS_DBAT3L CONFIG_SYS_IBAT3L
386 #define CONFIG_SYS_DBAT3U CONFIG_SYS_IBAT3U
389 /*-----------------------------------------------------------------------
390 * Cache Configuration
392 #define CONFIG_SYS_CACHELINE_SIZE 32
393 #if defined(CONFIG_CMD_KGDB)
394 # define CONFIG_SYS_CACHELINE_SHIFT 5 /* log base 2 of the above value */
397 /* values according to the manual */
398 #define CONFIG_DRAM_50MHZ 1
399 #define CONFIG_SDRAM_50MHZ
402 #define NR_8259_INTS 1
404 /*-----------------------------------------------------------------------
407 #define CONFIG_SYS_IDE_MAXBUS 1 /* max. 2 IDE busses */
408 #define CONFIG_SYS_IDE_MAXDEVICE (CONFIG_SYS_IDE_MAXBUS*1) /* max. 2 drives per IDE bus */
410 #define CONFIG_SYS_ATA_BASE_ADDR CONFIG_SYS_ISA_IO /* base address */
411 #define CONFIG_SYS_ATA_IDE0_OFFSET 0x01F0 /* ide0 offste */
412 #define CONFIG_SYS_ATA_IDE1_OFFSET 0x0170 /* ide1 offset */
413 #define CONFIG_SYS_ATA_DATA_OFFSET 0 /* data reg offset */
414 #define CONFIG_SYS_ATA_REG_OFFSET 0 /* reg offset */
415 #define CONFIG_SYS_ATA_ALT_OFFSET 0x200 /* alternate register offset */
419 #undef CONFIG_IDE_8xx_DIRECT /* no pcmcia interface required */
420 #undef CONFIG_IDE_LED /* no led for ide supported */
421 #undef CONFIG_IDE_RESET /* reset for ide supported... */
422 #undef CONFIG_IDE_RESET_ROUTINE /* with a special reset function */
424 /*-----------------------------------------------------------------------
425 * DISK Partition support
427 #define CONFIG_DOS_PARTITION
429 /*-----------------------------------------------------------------------
430 * For booting Linux, the board info and command line data
431 * have to be in the first 8 MB of memory, since this is
432 * the maximum mapped by the Linux kernel during initialization.
434 #define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
436 #endif /* __CONFIG_H */