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,
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_CPU87 1 /* ...on a CPU87 board */
39 #define CONFIG_CPM2 1 /* Has a CPM2 */
42 * select serial console configuration
44 * if either CONFIG_CONS_ON_SMC or CONFIG_CONS_ON_SCC is selected, then
45 * CONFIG_CONS_INDEX must be set to the channel number (1-2 for SMC, 1-4
48 * if CONFIG_CONS_NONE is defined, then the serial console routines must
49 * defined elsewhere (for example, on the cogent platform, there are serial
50 * ports on the motherboard which are used for the serial console - see
51 * cogent/cma101/serial.[ch]).
53 #undef CONFIG_CONS_ON_SMC /* define if console on SMC */
54 #define CONFIG_CONS_ON_SCC /* define if console on SCC */
55 #undef CONFIG_CONS_NONE /* define if console on something else*/
56 #define CONFIG_CONS_INDEX 1 /* which serial channel for console */
58 #if defined(CONFIG_CONS_NONE) || defined(CONFIG_CONS_USE_EXTC)
59 #define CONFIG_BAUDRATE 230400
61 #define CONFIG_BAUDRATE 9600
65 * select ethernet configuration
67 * if either CONFIG_ETHER_ON_SCC or CONFIG_ETHER_ON_FCC is selected, then
68 * CONFIG_ETHER_INDEX must be set to the channel number (1-4 for SCC, 1-3
71 * if CONFIG_ETHER_NONE is defined, then either the ethernet routines must be
72 * defined elsewhere (as for the console), or CFG_CMD_NET must be removed
73 * from CONFIG_COMMANDS to remove support for networking.
76 #undef CONFIG_ETHER_ON_SCC /* define if ether on SCC */
77 #define CONFIG_ETHER_ON_FCC /* define if ether on FCC */
78 #undef CONFIG_ETHER_NONE /* define if ether on something else */
79 #define CONFIG_ETHER_INDEX 1 /* which SCC/FCC channel for ethernet */
81 #define CONFIG_HAS_ETH1 1
82 #define CONFIG_HAS_ETH2 1
84 #if defined(CONFIG_ETHER_ON_FCC) && (CONFIG_ETHER_INDEX == 1)
89 * - RAM for BD/Buffers is on the 60x Bus (see 28-13)
90 * - Enable Full Duplex in FSMR
92 # define CFG_CMXFCR_MASK (CMXFCR_FC1|CMXFCR_RF1CS_MSK|CMXFCR_TF1CS_MSK)
93 # define CFG_CMXFCR_VALUE (CMXFCR_RF1CS_CLK11|CMXFCR_TF1CS_CLK12)
94 # define CFG_CPMFCR_RAMTYPE 0
95 # define CFG_FCC_PSMR (FCC_PSMR_FDE|FCC_PSMR_LPB)
97 #elif defined(CONFIG_ETHER_ON_FCC) && (CONFIG_ETHER_INDEX == 2)
102 * - RAM for BD/Buffers is on the 60x Bus (see 28-13)
103 * - Enable Full Duplex in FSMR
105 # define CFG_CMXFCR_MASK (CMXFCR_FC2|CMXFCR_RF2CS_MSK|CMXFCR_TF2CS_MSK)
106 # define CFG_CMXFCR_VALUE (CMXFCR_RF2CS_CLK13|CMXFCR_TF2CS_CLK14)
107 # define CFG_CPMFCR_RAMTYPE 0
108 # define CFG_FCC_PSMR (FCC_PSMR_FDE|FCC_PSMR_LPB)
110 #endif /* CONFIG_ETHER_ON_FCC, CONFIG_ETHER_INDEX */
112 /* system clock rate (CLKIN) - equal to the 60x and local bus speed */
113 #define CONFIG_8260_CLKIN 100000000 /* in Hz */
115 #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
117 #define CONFIG_PREBOOT \
119 "echo Type \"run flash_nfs\" to mount root filesystem over NFS; " \
122 #undef CONFIG_BOOTARGS
123 #define CONFIG_BOOTCOMMAND \
125 "setenv bootargs root=/dev/nfs rw nfsroot=$(serverip):$(rootpath) " \
126 "ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask):$(hostname)::off; " \
129 /*-----------------------------------------------------------------------
130 * I2C/EEPROM/RTC configuration
132 #define CONFIG_SOFT_I2C /* Software I2C support enabled */
134 # define CFG_I2C_SPEED 50000
135 # define CFG_I2C_SLAVE 0xFE
137 * Software (bit-bang) I2C driver configuration
139 #define I2C_PORT 3 /* Port A=0, B=1, C=2, D=3 */
140 #define I2C_ACTIVE (iop->pdir |= 0x00010000)
141 #define I2C_TRISTATE (iop->pdir &= ~0x00010000)
142 #define I2C_READ ((iop->pdat & 0x00010000) != 0)
143 #define I2C_SDA(bit) if(bit) iop->pdat |= 0x00010000; \
144 else iop->pdat &= ~0x00010000
145 #define I2C_SCL(bit) if(bit) iop->pdat |= 0x00020000; \
146 else iop->pdat &= ~0x00020000
147 #define I2C_DELAY udelay(5) /* 1/4 I2C clock duration */
149 #define CONFIG_RTC_PCF8563
150 #define CFG_I2C_RTC_ADDR 0x51
152 #undef CONFIG_WATCHDOG /* watchdog disabled */
154 /*-----------------------------------------------------------------------
155 * Disk-On-Chip configuration
158 #define CFG_MAX_DOC_DEVICE 1 /* Max number of DOC devices */
160 #define CFG_DOC_SUPPORT_2000
161 #define CFG_DOC_SUPPORT_MILLENNIUM
163 /*-----------------------------------------------------------------------
164 * Miscellaneous configuration options
167 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
168 #undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */
170 #define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT|CONFIG_BOOTP_BOOTFILESIZE)
173 #define CONFIG_COMMANDS (CONFIG_CMD_DFL | \
181 #define CONFIG_COMMANDS (CONFIG_CMD_DFL | \
187 #endif /* CONFIG_PCI */
189 /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
190 #include <cmd_confdefs.h>
193 * Miscellaneous configurable options
195 #define CFG_LONGHELP /* undef to save memory */
196 #define CFG_PROMPT "=> " /* Monitor Command Prompt */
197 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
198 #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
200 #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
202 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
203 #define CFG_MAXARGS 16 /* max number of command args */
204 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
206 #define CFG_MEMTEST_START 0x0400000 /* memtest works on */
207 #define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
209 #define CFG_LOAD_ADDR 0x100000 /* default load address */
211 #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
213 #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
215 #define CFG_RESET_ADDRESS 0xFFF00100 /* "bad" address */
220 * For booting Linux, the board info and command line data
221 * have to be in the first 8 MB of memory, since this is
222 * the maximum mapped by the Linux kernel during initialization.
224 #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
226 /*-----------------------------------------------------------------------
227 * Flash configuration
230 #define CFG_BOOTROM_BASE 0xFF800000
231 #define CFG_BOOTROM_SIZE 0x00080000
232 #define CFG_FLASH_BASE 0xFF000000
233 #define CFG_FLASH_SIZE 0x00800000
235 /*-----------------------------------------------------------------------
238 #define CFG_MAX_FLASH_BANKS 2 /* max num of memory banks */
239 #define CFG_MAX_FLASH_SECT 135 /* max num of sects on one chip */
241 #define CFG_FLASH_ERASE_TOUT 240000 /* Flash Erase Timeout (in ms) */
242 #define CFG_FLASH_WRITE_TOUT 500 /* Flash Write Timeout (in ms) */
244 /*-----------------------------------------------------------------------
245 * Other areas to be mapped
248 /* CS3: Dual ported SRAM */
249 #define CFG_DPSRAM_BASE 0x40000000
250 #define CFG_DPSRAM_SIZE 0x00100000
252 /* CS4: DiskOnChip */
253 #define CFG_DOC_BASE 0xF4000000
254 #define CFG_DOC_SIZE 0x00100000
256 /* CS5: FDC37C78 controller */
257 #define CFG_FDC37C78_BASE 0xF1000000
258 #define CFG_FDC37C78_SIZE 0x00100000
260 /* CS6: Board configuration registers */
261 #define CFG_BCRS_BASE 0xF2000000
262 #define CFG_BCRS_SIZE 0x00010000
264 /* CS7: VME Extended Access Range */
265 #define CFG_VMEEAR_BASE 0x60000000
266 #define CFG_VMEEAR_SIZE 0x01000000
268 /* CS8: VME Standard Access Range */
269 #define CFG_VMESAR_BASE 0xFE000000
270 #define CFG_VMESAR_SIZE 0x01000000
272 /* CS9: VME Short I/O Access Range */
273 #define CFG_VMESIOAR_BASE 0xFD000000
274 #define CFG_VMESIOAR_SIZE 0x01000000
276 /*-----------------------------------------------------------------------
277 * Hard Reset Configuration Words
279 * if you change bits in the HRCW, you must also change the CFG_*
280 * defines for the various registers affected by the HRCW e.g. changing
281 * HRCW_DPPCxx requires you to also change CFG_SIUMCR.
283 #if defined(CONFIG_BOOT_ROM)
284 #define CFG_HRCW_MASTER (HRCW_CIP | HRCW_ISB100 | HRCW_BMS | \
285 HRCW_BPS01 | HRCW_CS10PC01)
287 #define CFG_HRCW_MASTER (HRCW_CIP | HRCW_ISB100 | HRCW_BMS | HRCW_CS10PC01)
290 /* no slaves so just fill with zeros */
291 #define CFG_HRCW_SLAVE1 0
292 #define CFG_HRCW_SLAVE2 0
293 #define CFG_HRCW_SLAVE3 0
294 #define CFG_HRCW_SLAVE4 0
295 #define CFG_HRCW_SLAVE5 0
296 #define CFG_HRCW_SLAVE6 0
297 #define CFG_HRCW_SLAVE7 0
299 /*-----------------------------------------------------------------------
300 * Internal Memory Mapped Register
302 #define CFG_IMMR 0xF0000000
304 /*-----------------------------------------------------------------------
305 * Definitions for initial stack pointer and data area (in DPRAM)
307 #define CFG_INIT_RAM_ADDR CFG_IMMR
308 #define CFG_INIT_RAM_END 0x4000 /* End of used area in DPRAM */
309 #define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data*/
310 #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
311 #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
313 /*-----------------------------------------------------------------------
314 * Start addresses for the final memory configuration
315 * (Set up by the startup code)
316 * Please note that CFG_SDRAM_BASE _must_ start at 0
318 * 60x SDRAM is mapped at CFG_SDRAM_BASE.
320 #define CFG_SDRAM_BASE 0x00000000
321 #define CFG_SDRAM_MAX_SIZE 0x08000000 /* max. 128 MB */
322 #define CFG_MONITOR_BASE TEXT_BASE
323 #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
324 #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc()*/
326 #if (CFG_MONITOR_BASE < CFG_FLASH_BASE)
331 #define CONFIG_PCI_PNP
332 #define CONFIG_EEPRO100
333 #define CFG_RX_ETH_BUFFER 8 /* use 8 rx buffer on eepro100 */
337 /* environment is in Flash */
338 #define CFG_ENV_IS_IN_FLASH 1
339 #ifdef CONFIG_BOOT_ROM
340 # define CFG_ENV_ADDR (CFG_FLASH_BASE+0x70000)
341 # define CFG_ENV_SIZE 0x10000
342 # define CFG_ENV_SECT_SIZE 0x10000
345 /* environment is in EEPROM */
346 #define CFG_ENV_IS_IN_EEPROM 1
347 #define CFG_I2C_EEPROM_ADDR 0x58 /* EEPROM X24C16 */
348 #define CFG_I2C_EEPROM_ADDR_LEN 1
349 /* mask of address bits that overflow into the "EEPROM chip address" */
350 #define CFG_I2C_EEPROM_ADDR_OVERFLOW 0x07
351 #define CFG_EEPROM_PAGE_WRITE_BITS 4
352 #define CFG_EEPROM_PAGE_WRITE_DELAY_MS 10 /* and takes up to 10 msec */
353 #define CFG_ENV_OFFSET 512
354 #define CFG_ENV_SIZE (2048 - 512)
358 * Internal Definitions
362 #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH*/
363 #define BOOTFLAG_WARM 0x02 /* Software reboot */
366 /*-----------------------------------------------------------------------
367 * Cache Configuration
369 #define CFG_CACHELINE_SIZE 32 /* For MPC8260 CPU */
370 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
371 # define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */
374 /*-----------------------------------------------------------------------
375 * HIDx - Hardware Implementation-dependent Registers 2-11
376 *-----------------------------------------------------------------------
377 * HID0 also contains cache control - initially enable both caches and
378 * invalidate contents, then the final state leaves only the instruction
379 * cache enabled. Note that Power-On and Hard reset invalidate the caches,
380 * but Soft reset does not.
382 * HID1 has only read-only information - nothing to set.
384 #define CFG_HID0_INIT (HID0_ICE|HID0_DCE|HID0_ICFI|\
385 HID0_DCI|HID0_IFEM|HID0_ABE)
386 #define CFG_HID0_FINAL (HID0_IFEM|HID0_ABE)
389 /*-----------------------------------------------------------------------
390 * RMR - Reset Mode Register 5-5
391 *-----------------------------------------------------------------------
392 * turn on Checkstop Reset Enable
394 #define CFG_RMR RMR_CSRE
396 /*-----------------------------------------------------------------------
397 * BCR - Bus Configuration 4-25
398 *-----------------------------------------------------------------------
400 #define BCR_APD01 0x10000000
401 #define CFG_BCR (BCR_APD01|BCR_ETM|BCR_LETM) /* 8260 mode */
403 /*-----------------------------------------------------------------------
404 * SIUMCR - SIU Module Configuration 4-31
405 *-----------------------------------------------------------------------
407 #define CFG_SIUMCR (SIUMCR_BBD|SIUMCR_DPPC00|SIUMCR_APPC10|\
408 SIUMCR_CS10PC01|SIUMCR_BCTLC10)
410 /*-----------------------------------------------------------------------
411 * SYPCR - System Protection Control 4-35
412 * SYPCR can only be written once after reset!
413 *-----------------------------------------------------------------------
414 * Watchdog & Bus Monitor Timer max, 60x Bus Monitor enable
416 #if defined(CONFIG_WATCHDOG)
417 #define CFG_SYPCR (SYPCR_SWTC|SYPCR_BMT|SYPCR_PBME|SYPCR_LBME|\
418 SYPCR_SWRI|SYPCR_SWP|SYPCR_SWE)
420 #define CFG_SYPCR (SYPCR_SWTC|SYPCR_BMT|SYPCR_PBME|SYPCR_LBME|\
421 SYPCR_SWRI|SYPCR_SWP)
422 #endif /* CONFIG_WATCHDOG */
424 /*-----------------------------------------------------------------------
425 * TMCNTSC - Time Counter Status and Control 4-40
426 *-----------------------------------------------------------------------
427 * Clear once per Second and Alarm Interrupt Status, Set 32KHz timersclk,
428 * and enable Time Counter
430 #define CFG_TMCNTSC (TMCNTSC_SEC|TMCNTSC_ALR|TMCNTSC_TCF|TMCNTSC_TCE)
432 /*-----------------------------------------------------------------------
433 * PISCR - Periodic Interrupt Status and Control 4-42
434 *-----------------------------------------------------------------------
435 * Clear Periodic Interrupt Status, Set 32KHz timersclk, and enable
438 #define CFG_PISCR (PISCR_PS|PISCR_PTF|PISCR_PTE)
440 /*-----------------------------------------------------------------------
441 * SCCR - System Clock Control 9-8
442 *-----------------------------------------------------------------------
443 * Ensure DFBRG is Divide by 16
445 #define CFG_SCCR SCCR_DFBRG01
447 /*-----------------------------------------------------------------------
448 * RCCR - RISC Controller Configuration 13-7
449 *-----------------------------------------------------------------------
453 #define CFG_MIN_AM_MASK 0xC0000000
456 * we use the same values for 32 MB and 128 MB SDRAM
457 * refresh rate = 7.68 uS (100 MHz Bus Clock)
460 /*-----------------------------------------------------------------------
461 * MPTPR - Memory Refresh Timer Prescaler Register 10-18
462 *-----------------------------------------------------------------------
464 #define CFG_MPTPR 0x2000
466 /*-----------------------------------------------------------------------
467 * PSRT - Refresh Timer Register 10-16
468 *-----------------------------------------------------------------------
470 #define CFG_PSRT 0x16
472 /*-----------------------------------------------------------------------
473 * PSRT - SDRAM Mode Register 10-10
474 *-----------------------------------------------------------------------
477 /* SDRAM initialization values for 8-column chips
479 #define CFG_OR2_8COL (CFG_MIN_AM_MASK |\
481 ORxS_ROWST_PBI0_A9 |\
484 #define CFG_PSDMR_8COL (PSDMR_SDAM_A13_IS_A5 |\
485 PSDMR_BSMA_A14_A16 |\
486 PSDMR_SDA10_PBI0_A10 |\
494 /* SDRAM initialization values for 9-column chips
496 #define CFG_OR2_9COL (CFG_MIN_AM_MASK |\
498 ORxS_ROWST_PBI0_A7 |\
501 #define CFG_PSDMR_9COL (PSDMR_SDAM_A14_IS_A5 |\
502 PSDMR_BSMA_A13_A15 |\
503 PSDMR_SDA10_PBI0_A9 |\
512 * Init Memory Controller:
514 * Bank Bus Machine PortSz Device
515 * ---- --- ------- ------ ------
516 * 0 60x GPCM 8 bit Boot ROM
517 * 1 60x GPCM 64 bit FLASH
518 * 2 60x SDRAM 64 bit SDRAM
522 #define CFG_MRS_OFFS 0x00000000
524 #ifdef CONFIG_BOOT_ROM
527 #define CFG_BR0_PRELIM ((CFG_BOOTROM_BASE & BRx_BA_MSK)|\
532 #define CFG_OR0_PRELIM (P2SZ_TO_AM(CFG_BOOTROM_SIZE) |\
540 #define CFG_BR1_PRELIM ((CFG_FLASH_BASE & BRx_BA_MSK) |\
545 #define CFG_OR1_PRELIM (P2SZ_TO_AM(CFG_FLASH_SIZE) |\
551 #else /* CONFIG_BOOT_ROM */
554 #define CFG_BR0_PRELIM ((CFG_FLASH_BASE & BRx_BA_MSK) |\
559 #define CFG_OR0_PRELIM (P2SZ_TO_AM(CFG_FLASH_SIZE) |\
567 #define CFG_BR1_PRELIM ((CFG_BOOTROM_BASE & BRx_BA_MSK)|\
572 #define CFG_OR1_PRELIM (P2SZ_TO_AM(CFG_BOOTROM_SIZE) |\
578 #endif /* CONFIG_BOOT_ROM */
581 /* Bank 2 - 60x bus SDRAM
584 #define CFG_BR2_PRELIM ((CFG_SDRAM_BASE & BRx_BA_MSK) |\
589 #define CFG_OR2_PRELIM CFG_OR2_9COL
591 #define CFG_PSDMR CFG_PSDMR_9COL
592 #endif /* CFG_RAMBOOT */
594 /* Bank 3 - Dual Ported SRAM
596 #define CFG_BR3_PRELIM ((CFG_DPSRAM_BASE & BRx_BA_MSK) |\
601 #define CFG_OR3_PRELIM (P2SZ_TO_AM(CFG_DPSRAM_SIZE) |\
607 /* Bank 4 - DiskOnChip
609 #define CFG_BR4_PRELIM ((CFG_DOC_BASE & BRx_BA_MSK) |\
614 #define CFG_OR4_PRELIM (P2SZ_TO_AM(CFG_DOC_SIZE) |\
620 /* Bank 5 - FDC37C78 controller
622 #define CFG_BR5_PRELIM ((CFG_FDC37C78_BASE & BRx_BA_MSK) |\
627 #define CFG_OR5_PRELIM (P2SZ_TO_AM(CFG_FDC37C78_SIZE) |\
632 /* Bank 6 - Board control registers
634 #define CFG_BR6_PRELIM ((CFG_BCRS_BASE & BRx_BA_MSK) |\
639 #define CFG_OR6_PRELIM (P2SZ_TO_AM(CFG_BCRS_SIZE) |\
643 /* Bank 7 - VME Extended Access Range
645 #define CFG_BR7_PRELIM ((CFG_VMEEAR_BASE & BRx_BA_MSK) |\
650 #define CFG_OR7_PRELIM (P2SZ_TO_AM(CFG_VMEEAR_SIZE) |\
656 /* Bank 8 - VME Standard Access Range
658 #define CFG_BR8_PRELIM ((CFG_VMESAR_BASE & BRx_BA_MSK) |\
663 #define CFG_OR8_PRELIM (P2SZ_TO_AM(CFG_VMESAR_SIZE) |\
669 /* Bank 9 - VME Short I/O Access Range
671 #define CFG_BR9_PRELIM ((CFG_VMESIOAR_BASE & BRx_BA_MSK) |\
676 #define CFG_OR9_PRELIM (P2SZ_TO_AM(CFG_VMESIOAR_SIZE) |\
682 #endif /* __CONFIG_H */