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,
25 * board/config.h - configuration options, board specific
32 * High Level Configuration Options
36 #define CONFIG_MPC8260 1 /* This is an MPC8260 CPU */
37 #define CONFIG_CPU86 1 /* ...on a CPU86 board */
40 * select serial console configuration
42 * if either CONFIG_CONS_ON_SMC or CONFIG_CONS_ON_SCC is selected, then
43 * CONFIG_CONS_INDEX must be set to the channel number (1-2 for SMC, 1-4
46 * if CONFIG_CONS_NONE is defined, then the serial console routines must
47 * defined elsewhere (for example, on the cogent platform, there are serial
48 * ports on the motherboard which are used for the serial console - see
49 * cogent/cma101/serial.[ch]).
51 #undef CONFIG_CONS_ON_SMC /* define if console on SMC */
52 #define CONFIG_CONS_ON_SCC /* define if console on SCC */
53 #undef CONFIG_CONS_NONE /* define if console on something else*/
54 #define CONFIG_CONS_INDEX 1 /* which serial channel for console */
56 #if defined(CONFIG_CONS_NONE) || defined(CONFIG_CONS_USE_EXTC)
57 #define CONFIG_BAUDRATE 230400
59 #define CONFIG_BAUDRATE 9600
63 * select ethernet configuration
65 * if either CONFIG_ETHER_ON_SCC or CONFIG_ETHER_ON_FCC is selected, then
66 * CONFIG_ETHER_INDEX must be set to the channel number (1-4 for SCC, 1-3
69 * if CONFIG_ETHER_NONE is defined, then either the ethernet routines must be
70 * defined elsewhere (as for the console), or CFG_CMD_NET must be removed
71 * from CONFIG_COMMANDS to remove support for networking.
74 #undef CONFIG_ETHER_ON_SCC /* define if ether on SCC */
75 #define CONFIG_ETHER_ON_FCC /* define if ether on FCC */
76 #undef CONFIG_ETHER_NONE /* define if ether on something else */
77 #define CONFIG_ETHER_INDEX 1 /* which SCC/FCC channel for ethernet */
79 #if defined(CONFIG_ETHER_ON_FCC) && (CONFIG_ETHER_INDEX == 1)
84 * - RAM for BD/Buffers is on the 60x Bus (see 28-13)
85 * - Enable Full Duplex in FSMR
87 # define CFG_CMXFCR_MASK (CMXFCR_FC1|CMXFCR_RF1CS_MSK|CMXFCR_TF1CS_MSK)
88 # define CFG_CMXFCR_VALUE (CMXFCR_RF1CS_CLK11|CMXFCR_TF1CS_CLK12)
89 # define CFG_CPMFCR_RAMTYPE 0
90 # define CFG_FCC_PSMR (FCC_PSMR_FDE|FCC_PSMR_LPB)
92 #elif defined(CONFIG_ETHER_ON_FCC) && (CONFIG_ETHER_INDEX == 2)
97 * - RAM for BD/Buffers is on the 60x Bus (see 28-13)
98 * - Enable Full Duplex in FSMR
100 # define CFG_CMXFCR_MASK (CMXFCR_FC2|CMXFCR_RF2CS_MSK|CMXFCR_TF2CS_MSK)
101 # define CFG_CMXFCR_VALUE (CMXFCR_RF2CS_CLK13|CMXFCR_TF2CS_CLK14)
102 # define CFG_CPMFCR_RAMTYPE 0
103 # define CFG_FCC_PSMR (FCC_PSMR_FDE|FCC_PSMR_LPB)
105 #endif /* CONFIG_ETHER_ON_FCC, CONFIG_ETHER_INDEX */
107 /* system clock rate (CLKIN) - equal to the 60x and local bus speed */
108 #define CONFIG_8260_CLKIN 64000000 /* in Hz */
110 #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
112 #define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */
114 #define CONFIG_PREBOOT \
116 "echo Type \"run flash_nfs\" to mount root filesystem over NFS; " \
119 #undef CONFIG_BOOTARGS
120 #define CONFIG_BOOTCOMMAND \
122 "setenv bootargs root=/dev/nfs rw nfsroot=$(serverip):$(rootpath) " \
123 "ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask):$(hostname)::off; " \
126 /*-----------------------------------------------------------------------
127 * I2C/EEPROM/RTC configuration
129 #define CONFIG_SOFT_I2C /* Software I2C support enabled */
131 # define CFG_I2C_SPEED 50000
132 # define CFG_I2C_SLAVE 0xFE
134 * Software (bit-bang) I2C driver configuration
136 #define I2C_PORT 3 /* Port A=0, B=1, C=2, D=3 */
137 #define I2C_ACTIVE (iop->pdir |= 0x00010000)
138 #define I2C_TRISTATE (iop->pdir &= ~0x00010000)
139 #define I2C_READ ((iop->pdat & 0x00010000) != 0)
140 #define I2C_SDA(bit) if(bit) iop->pdat |= 0x00010000; \
141 else iop->pdat &= ~0x00010000
142 #define I2C_SCL(bit) if(bit) iop->pdat |= 0x00020000; \
143 else iop->pdat &= ~0x00020000
144 #define I2C_DELAY udelay(5) /* 1/4 I2C clock duration */
146 #define CONFIG_RTC_PCF8563
147 #define CFG_I2C_RTC_ADDR 0x51
149 #undef CONFIG_WATCHDOG /* watchdog disabled */
151 /*-----------------------------------------------------------------------
152 * Disk-On-Chip configuration
155 #define CFG_MAX_DOC_DEVICE 1 /* Max number of DOC devices */
157 #define CFG_DOC_SUPPORT_2000
158 #define CFG_DOC_SUPPORT_MILLENNIUM
160 /*-----------------------------------------------------------------------
161 * Miscellaneous configuration options
164 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
165 #undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */
167 #define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT|CONFIG_BOOTP_BOOTFILESIZE)
169 #define CONFIG_COMMANDS (CONFIG_CMD_DFL | \
176 /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
177 #include <cmd_confdefs.h>
180 * Miscellaneous configurable options
182 #define CFG_LONGHELP /* undef to save memory */
183 #define CFG_PROMPT "=> " /* Monitor Command Prompt */
184 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
185 #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
187 #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
189 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
190 #define CFG_MAXARGS 16 /* max number of command args */
191 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
193 #define CFG_MEMTEST_START 0x0400000 /* memtest works on */
194 #define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
196 #define CFG_LOAD_ADDR 0x100000 /* default load address */
198 #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
200 #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
202 #define CFG_RESET_ADDRESS 0xFFF00100 /* "bad" address */
205 * For booting Linux, the board info and command line data
206 * have to be in the first 8 MB of memory, since this is
207 * the maximum mapped by the Linux kernel during initialization.
209 #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
211 /*-----------------------------------------------------------------------
212 * Flash configuration
215 #define CFG_BOOTROM_BASE 0xFF800000
216 #define CFG_BOOTROM_SIZE 0x00080000
217 #define CFG_FLASH_BASE 0xFF000000
218 #define CFG_FLASH_SIZE 0x00800000
220 /*-----------------------------------------------------------------------
223 #define CFG_MAX_FLASH_BANKS 2 /* max num of memory banks */
224 #define CFG_MAX_FLASH_SECT 128 /* max num of sects on one chip */
226 #define CFG_FLASH_ERASE_TOUT 240000 /* Flash Erase Timeout (in ms) */
227 #define CFG_FLASH_WRITE_TOUT 500 /* Flash Write Timeout (in ms) */
229 /*-----------------------------------------------------------------------
230 * Other areas to be mapped
233 /* CS3: Dual ported SRAM */
234 #define CFG_DPSRAM_BASE 0x40000000
235 #define CFG_DPSRAM_SIZE 0x00020000
237 /* CS4: DiskOnChip */
238 #define CFG_DOC_BASE 0xF4000000
239 #define CFG_DOC_SIZE 0x00100000
241 /* CS5: FDC37C78 controller */
242 #define CFG_FDC37C78_BASE 0xF1000000
243 #define CFG_FDC37C78_SIZE 0x00100000
245 /* CS6: Board configuration registers */
246 #define CFG_BCRS_BASE 0xF2000000
247 #define CFG_BCRS_SIZE 0x00010000
249 /* CS7: VME Extended Access Range */
250 #define CFG_VMEEAR_BASE 0x80000000
251 #define CFG_VMEEAR_SIZE 0x01000000
253 /* CS8: VME Standard Access Range */
254 #define CFG_VMESAR_BASE 0xFE000000
255 #define CFG_VMESAR_SIZE 0x01000000
257 /* CS9: VME Short I/O Access Range */
258 #define CFG_VMESIOAR_BASE 0xFD000000
259 #define CFG_VMESIOAR_SIZE 0x01000000
261 /*-----------------------------------------------------------------------
262 * Hard Reset Configuration Words
264 * if you change bits in the HRCW, you must also change the CFG_*
265 * defines for the various registers affected by the HRCW e.g. changing
266 * HRCW_DPPCxx requires you to also change CFG_SIUMCR.
268 #if defined(CONFIG_BOOT_ROM)
269 #define CFG_HRCW_MASTER (HRCW_CIP | HRCW_ISB100 | HRCW_BMS | \
270 HRCW_BPS01 | HRCW_CS10PC01)
272 #define CFG_HRCW_MASTER (HRCW_CIP | HRCW_ISB100 | HRCW_BMS | HRCW_CS10PC01)
275 /* no slaves so just fill with zeros */
276 #define CFG_HRCW_SLAVE1 0
277 #define CFG_HRCW_SLAVE2 0
278 #define CFG_HRCW_SLAVE3 0
279 #define CFG_HRCW_SLAVE4 0
280 #define CFG_HRCW_SLAVE5 0
281 #define CFG_HRCW_SLAVE6 0
282 #define CFG_HRCW_SLAVE7 0
284 /*-----------------------------------------------------------------------
285 * Internal Memory Mapped Register
287 #define CFG_IMMR 0xF0000000
289 /*-----------------------------------------------------------------------
290 * Definitions for initial stack pointer and data area (in DPRAM)
292 #define CFG_INIT_RAM_ADDR CFG_IMMR
293 #define CFG_INIT_RAM_END 0x4000 /* End of used area in DPRAM */
294 #define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data*/
295 #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
296 #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
298 /*-----------------------------------------------------------------------
299 * Start addresses for the final memory configuration
300 * (Set up by the startup code)
301 * Please note that CFG_SDRAM_BASE _must_ start at 0
303 * 60x SDRAM is mapped at CFG_SDRAM_BASE.
305 #define CFG_SDRAM_BASE 0x00000000
306 #define CFG_SDRAM_MAX_SIZE 0x08000000 /* max. 128 MB */
307 #define CFG_MONITOR_BASE TEXT_BASE
308 #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
309 #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc()*/
311 #if (CFG_MONITOR_BASE < CFG_FLASH_BASE)
316 /* environment is in Flash */
317 #define CFG_ENV_IS_IN_FLASH 1
318 #ifdef CONFIG_BOOT_ROM
319 # define CFG_ENV_ADDR (CFG_FLASH_BASE+0x70000)
320 # define CFG_ENV_SIZE 0x10000
321 # define CFG_ENV_SECT_SIZE 0x10000
324 /* environment is in EEPROM */
325 #define CFG_ENV_IS_IN_EEPROM 1
326 #define CFG_I2C_EEPROM_ADDR 0x58 /* EEPROM X24C16 */
327 #define CFG_I2C_EEPROM_ADDR_LEN 1
328 /* mask of address bits that overflow into the "EEPROM chip address" */
329 #define CFG_I2C_EEPROM_ADDR_OVERFLOW 0x07
330 #define CFG_EEPROM_PAGE_WRITE_BITS 4
331 #define CFG_EEPROM_PAGE_WRITE_DELAY_MS 10 /* and takes up to 10 msec */
332 #define CFG_ENV_OFFSET 512
333 #define CFG_ENV_SIZE (2048 - 512)
337 * Internal Definitions
341 #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH*/
342 #define BOOTFLAG_WARM 0x02 /* Software reboot */
345 /*-----------------------------------------------------------------------
346 * Cache Configuration
348 #define CFG_CACHELINE_SIZE 32 /* For MPC8260 CPU */
349 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
350 # define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */
353 /*-----------------------------------------------------------------------
354 * HIDx - Hardware Implementation-dependent Registers 2-11
355 *-----------------------------------------------------------------------
356 * HID0 also contains cache control - initially enable both caches and
357 * invalidate contents, then the final state leaves only the instruction
358 * cache enabled. Note that Power-On and Hard reset invalidate the caches,
359 * but Soft reset does not.
361 * HID1 has only read-only information - nothing to set.
363 #define CFG_HID0_INIT (HID0_ICE|HID0_DCE|HID0_ICFI|\
364 HID0_DCI|HID0_IFEM|HID0_ABE)
365 #define CFG_HID0_FINAL (HID0_IFEM|HID0_ABE)
368 /*-----------------------------------------------------------------------
369 * RMR - Reset Mode Register 5-5
370 *-----------------------------------------------------------------------
371 * turn on Checkstop Reset Enable
373 #define CFG_RMR RMR_CSRE
375 /*-----------------------------------------------------------------------
376 * BCR - Bus Configuration 4-25
377 *-----------------------------------------------------------------------
379 #define BCR_APD01 0x10000000
380 #define CFG_BCR (BCR_APD01|BCR_ETM|BCR_LETM) /* 8260 mode */
382 /*-----------------------------------------------------------------------
383 * SIUMCR - SIU Module Configuration 4-31
384 *-----------------------------------------------------------------------
386 #define CFG_SIUMCR (SIUMCR_BBD|SIUMCR_DPPC00|SIUMCR_APPC10|\
387 SIUMCR_CS10PC01|SIUMCR_BCTLC10)
389 /*-----------------------------------------------------------------------
390 * SYPCR - System Protection Control 4-35
391 * SYPCR can only be written once after reset!
392 *-----------------------------------------------------------------------
393 * Watchdog & Bus Monitor Timer max, 60x Bus Monitor enable
395 #if defined(CONFIG_WATCHDOG)
396 #define CFG_SYPCR (SYPCR_SWTC|SYPCR_BMT|SYPCR_PBME|SYPCR_LBME|\
397 SYPCR_SWRI|SYPCR_SWP|SYPCR_SWE)
399 #define CFG_SYPCR (SYPCR_SWTC|SYPCR_BMT|SYPCR_PBME|SYPCR_LBME|\
400 SYPCR_SWRI|SYPCR_SWP)
401 #endif /* CONFIG_WATCHDOG */
403 /*-----------------------------------------------------------------------
404 * TMCNTSC - Time Counter Status and Control 4-40
405 *-----------------------------------------------------------------------
406 * Clear once per Second and Alarm Interrupt Status, Set 32KHz timersclk,
407 * and enable Time Counter
409 #define CFG_TMCNTSC (TMCNTSC_SEC|TMCNTSC_ALR|TMCNTSC_TCF|TMCNTSC_TCE)
411 /*-----------------------------------------------------------------------
412 * PISCR - Periodic Interrupt Status and Control 4-42
413 *-----------------------------------------------------------------------
414 * Clear Periodic Interrupt Status, Set 32KHz timersclk, and enable
417 #define CFG_PISCR (PISCR_PS|PISCR_PTF|PISCR_PTE)
419 /*-----------------------------------------------------------------------
420 * SCCR - System Clock Control 9-8
421 *-----------------------------------------------------------------------
422 * Ensure DFBRG is Divide by 16
424 #define CFG_SCCR SCCR_DFBRG01
426 /*-----------------------------------------------------------------------
427 * RCCR - RISC Controller Configuration 13-7
428 *-----------------------------------------------------------------------
432 #define CFG_MIN_AM_MASK 0xC0000000
433 /*-----------------------------------------------------------------------
434 * MPTPR - Memory Refresh Timer Prescaler Register 10-18
435 *-----------------------------------------------------------------------
437 #define CFG_MPTPR 0x1F00
439 /*-----------------------------------------------------------------------
440 * PSRT - Refresh Timer Register 10-16
441 *-----------------------------------------------------------------------
443 #define CFG_PSRT 0x0f
445 /*-----------------------------------------------------------------------
446 * PSRT - SDRAM Mode Register 10-10
447 *-----------------------------------------------------------------------
450 /* SDRAM initialization values for 8-column chips
452 #define CFG_OR2_8COL (CFG_MIN_AM_MASK |\
454 ORxS_ROWST_PBI0_A9 |\
457 #define CFG_PSDMR_8COL (PSDMR_SDAM_A13_IS_A5 |\
458 PSDMR_BSMA_A14_A16 |\
459 PSDMR_SDA10_PBI0_A10 |\
467 /* SDRAM initialization values for 9-column chips
469 #define CFG_OR2_9COL (CFG_MIN_AM_MASK |\
471 ORxS_ROWST_PBI0_A7 |\
474 #define CFG_PSDMR_9COL (PSDMR_SDAM_A14_IS_A5 |\
475 PSDMR_BSMA_A13_A15 |\
476 PSDMR_SDA10_PBI0_A9 |\
485 * Init Memory Controller:
487 * Bank Bus Machine PortSz Device
488 * ---- --- ------- ------ ------
489 * 0 60x GPCM 8 bit Boot ROM
490 * 1 60x GPCM 64 bit FLASH
491 * 2 60x SDRAM 64 bit SDRAM
495 #define CFG_MRS_OFFS 0x00000000
497 #ifdef CONFIG_BOOT_ROM
500 #define CFG_BR0_PRELIM ((CFG_BOOTROM_BASE & BRx_BA_MSK)|\
505 #define CFG_OR0_PRELIM (P2SZ_TO_AM(CFG_BOOTROM_SIZE) |\
513 #define CFG_BR1_PRELIM ((CFG_FLASH_BASE & BRx_BA_MSK) |\
518 #define CFG_OR1_PRELIM (P2SZ_TO_AM(CFG_FLASH_SIZE) |\
524 #else /* CONFIG_BOOT_ROM */
527 #define CFG_BR0_PRELIM ((CFG_FLASH_BASE & BRx_BA_MSK) |\
532 #define CFG_OR0_PRELIM (P2SZ_TO_AM(CFG_FLASH_SIZE) |\
540 #define CFG_BR1_PRELIM ((CFG_BOOTROM_BASE & BRx_BA_MSK)|\
545 #define CFG_OR1_PRELIM (P2SZ_TO_AM(CFG_BOOTROM_SIZE) |\
551 #endif /* CONFIG_BOOT_ROM */
554 /* Bank 2 - 60x bus SDRAM
557 #define CFG_BR2_PRELIM ((CFG_SDRAM_BASE & BRx_BA_MSK) |\
562 #define CFG_OR2_PRELIM CFG_OR2_9COL
564 #define CFG_PSDMR CFG_PSDMR_9COL
565 #endif /* CFG_RAMBOOT */
567 /* Bank 3 - Dual Ported SRAM
569 #define CFG_BR3_PRELIM ((CFG_DPSRAM_BASE & BRx_BA_MSK) |\
574 #define CFG_OR3_PRELIM (P2SZ_TO_AM(CFG_DPSRAM_SIZE) |\
580 /* Bank 4 - DiskOnChip
582 #define CFG_BR4_PRELIM ((CFG_DOC_BASE & BRx_BA_MSK) |\
587 #define CFG_OR4_PRELIM (P2SZ_TO_AM(CFG_DOC_SIZE) |\
592 /* Bank 5 - FDC37C78 controller
594 #define CFG_BR5_PRELIM ((CFG_FDC37C78_BASE & BRx_BA_MSK) |\
599 #define CFG_OR5_PRELIM (P2SZ_TO_AM(CFG_FDC37C78_SIZE) |\
604 /* Bank 6 - Board control registers
606 #define CFG_BR6_PRELIM ((CFG_BCRS_BASE & BRx_BA_MSK) |\
611 #define CFG_OR6_PRELIM (P2SZ_TO_AM(CFG_BCRS_SIZE) |\
615 /* Bank 7 - VME Extended Access Range
617 #define CFG_BR7_PRELIM ((CFG_VMEEAR_BASE & BRx_BA_MSK) |\
622 #define CFG_OR7_PRELIM (P2SZ_TO_AM(CFG_VMEEAR_SIZE) |\
628 /* Bank 8 - VME Standard Access Range
630 #define CFG_BR8_PRELIM ((CFG_VMESAR_BASE & BRx_BA_MSK) |\
635 #define CFG_OR8_PRELIM (P2SZ_TO_AM(CFG_VMESAR_SIZE) |\
641 /* Bank 9 - VME Short I/O Access Range
643 #define CFG_BR9_PRELIM ((CFG_VMESIOAR_BASE & BRx_BA_MSK) |\
648 #define CFG_OR9_PRELIM (P2SZ_TO_AM(CFG_VMESIOAR_SIZE) |\
654 #endif /* __CONFIG_H */