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_ATC 1 /* ...on a ATC board */
38 #define CONFIG_CPM2 1 /* Has a CPM2 */
41 * select serial console configuration
43 * if either CONFIG_CONS_ON_SMC or CONFIG_CONS_ON_SCC is selected, then
44 * CONFIG_CONS_INDEX must be set to the channel number (1-2 for SMC, 1-4
47 * if CONFIG_CONS_NONE is defined, then the serial console routines must
48 * defined elsewhere (for example, on the cogent platform, there are serial
49 * ports on the motherboard which are used for the serial console - see
50 * cogent/cma101/serial.[ch]).
52 #define CONFIG_CONS_ON_SMC /* define if console on SMC */
53 #undef CONFIG_CONS_ON_SCC /* define if console on SCC */
54 #undef CONFIG_CONS_NONE /* define if console on something else*/
55 #define CONFIG_CONS_INDEX 2 /* which serial channel for console */
57 #define CONFIG_BAUDRATE 115200
60 * select ethernet configuration
62 * if either CONFIG_ETHER_ON_SCC or CONFIG_ETHER_ON_FCC is selected, then
63 * CONFIG_ETHER_INDEX must be set to the channel number (1-4 for SCC, 1-3
66 * if CONFIG_ETHER_NONE is defined, then either the ethernet routines must be
67 * defined elsewhere (as for the console), or CONFIG_CMD_NET must be unset.
69 #undef CONFIG_ETHER_ON_SCC /* define if ether on SCC */
70 #undef CONFIG_ETHER_NONE /* define if ether on something else */
71 #define CONFIG_ETHER_ON_FCC
73 #define CONFIG_NET_MULTI
74 #define CONFIG_ETHER_ON_FCC2
79 * - RAM for BD/Buffers is on the 60x Bus (see 28-13)
80 * - Enable Full Duplex in FSMR
82 # define CFG_CMXFCR_MASK2 (CMXFCR_FC2|CMXFCR_RF2CS_MSK|CMXFCR_TF2CS_MSK)
83 # define CFG_CMXFCR_VALUE2 (CMXFCR_RF2CS_CLK13|CMXFCR_TF2CS_CLK14)
84 # define CFG_CPMFCR_RAMTYPE 0
85 # define CFG_FCC_PSMR (FCC_PSMR_FDE|FCC_PSMR_LPB)
87 #define CONFIG_ETHER_ON_FCC3
92 * - RAM for BD/Buffers is on the local Bus (see 28-13)
93 * - Enable Half Duplex in FSMR
95 # define CFG_CMXFCR_MASK3 (CMXFCR_FC3|CMXFCR_RF3CS_MSK|CMXFCR_TF3CS_MSK)
96 # define CFG_CMXFCR_VALUE3 (CMXFCR_RF3CS_CLK15|CMXFCR_TF3CS_CLK16)
98 /* system clock rate (CLKIN) - equal to the 60x and local bus speed */
99 #define CONFIG_8260_CLKIN 64000000 /* in Hz */
101 #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
103 #undef CONFIG_CLOCKS_IN_MHZ /* clocks passsed to Linux in Hz */
105 #define CONFIG_PREBOOT \
107 "echo Type \"run flash_nfs\" to mount root filesystem over NFS;"\
110 #undef CONFIG_BOOTARGS
111 #define CONFIG_BOOTCOMMAND \
113 "setenv bootargs root=/dev/nfs rw " \
114 "nfsroot=${serverip}:${rootpath} " \
115 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off;"\
118 /*-----------------------------------------------------------------------
119 * Miscellaneous configuration options
122 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
123 #undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */
125 #define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT|CONFIG_BOOTP_BOOTFILESIZE)
129 * Command line configuration.
131 #include <config_cmd_default.h>
133 #define CONFIG_CMD_EEPROM
134 #define CONFIG_CMD_PCI
135 #define CONFIG_CMD_PCMCIA
136 #define CONFIG_CMD_DATE
137 #define CONFIG_CMD_IDE
140 #define CONFIG_DOS_PARTITION
143 * Miscellaneous configurable options
145 #define CFG_LONGHELP /* undef to save memory */
146 #define CFG_PROMPT "=> " /* Monitor Command Prompt */
147 #if defined(CONFIG_CMD_KGDB)
148 #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
150 #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
152 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
153 #define CFG_MAXARGS 16 /* max number of command args */
154 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
156 #define CFG_MEMTEST_START 0x0400000 /* memtest works on */
157 #define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
159 #define CFG_LOAD_ADDR 0x100000 /* default load address */
161 #define CFG_PIO_MODE 0 /* IDE interface in PIO Mode 0 */
163 #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
165 #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
167 #define CFG_RESET_ADDRESS 0xFFF00100 /* "bad" address */
169 #define CFG_ALLOC_DPRAM
171 #undef CONFIG_WATCHDOG /* watchdog disabled */
175 #define CONFIG_RTC_DS12887
177 #define RTC_BASE_ADDR 0xF5000000
178 #define RTC_PORT_ADDR RTC_BASE_ADDR + 0x800
179 #define RTC_PORT_DATA RTC_BASE_ADDR + 0x808
181 #define CONFIG_MISC_INIT_R
184 * For booting Linux, the board info and command line data
185 * have to be in the first 8 MB of memory, since this is
186 * the maximum mapped by the Linux kernel during initialization.
188 #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
190 /*-----------------------------------------------------------------------
191 * Flash configuration
194 #define CFG_FLASH_BASE 0xFF000000
195 #define CFG_FLASH_SIZE 0x00800000
197 /*-----------------------------------------------------------------------
200 #define CFG_MAX_FLASH_BANKS 1 /* max num of memory banks */
201 #define CFG_MAX_FLASH_SECT 128 /* max num of sects on one chip */
203 #define CFG_FLASH_ERASE_TOUT 240000 /* Flash Erase Timeout (in ms) */
204 #define CFG_FLASH_WRITE_TOUT 500 /* Flash Write Timeout (in ms) */
206 #define CONFIG_FLASH_16BIT
208 /*-----------------------------------------------------------------------
209 * Hard Reset Configuration Words
211 * if you change bits in the HRCW, you must also change the CFG_*
212 * defines for the various registers affected by the HRCW e.g. changing
213 * HRCW_DPPCxx requires you to also change CFG_SIUMCR.
215 #define CFG_HRCW_MASTER (HRCW_CIP | HRCW_ISB100 | HRCW_BMS | \
219 /* no slaves so just fill with zeros */
220 #define CFG_HRCW_SLAVE1 0
221 #define CFG_HRCW_SLAVE2 0
222 #define CFG_HRCW_SLAVE3 0
223 #define CFG_HRCW_SLAVE4 0
224 #define CFG_HRCW_SLAVE5 0
225 #define CFG_HRCW_SLAVE6 0
226 #define CFG_HRCW_SLAVE7 0
228 /*-----------------------------------------------------------------------
229 * Internal Memory Mapped Register
231 #define CFG_IMMR 0xF0000000
233 /*-----------------------------------------------------------------------
234 * Definitions for initial stack pointer and data area (in DPRAM)
236 #define CFG_INIT_RAM_ADDR CFG_IMMR
237 #define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
238 #define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data*/
239 #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
240 #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
242 /*-----------------------------------------------------------------------
243 * Start addresses for the final memory configuration
244 * (Set up by the startup code)
245 * Please note that CFG_SDRAM_BASE _must_ start at 0
247 * 60x SDRAM is mapped at CFG_SDRAM_BASE.
249 #define CFG_SDRAM_BASE 0x00000000
250 #define CFG_SDRAM_MAX_SIZE 0x08000000 /* max. 128 MB */
251 #define CFG_MONITOR_BASE TEXT_BASE
252 #define CFG_MONITOR_LEN (192 << 10) /* Reserve 192 kB for Monitor */
253 #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc()*/
255 #if (CFG_MONITOR_BASE < CFG_FLASH_BASE)
260 #define CONFIG_PCI_PNP
261 #define CFG_PCI_MSTR_IO_BUS 0x00000000 /* PCI base */
264 /* environment is in Flash */
265 #define CFG_ENV_IS_IN_FLASH 1
266 # define CFG_ENV_ADDR (CFG_FLASH_BASE+0x30000)
267 # define CFG_ENV_SIZE 0x10000
268 # define CFG_ENV_SECT_SIZE 0x10000
270 #define CFG_ENV_IS_IN_EEPROM 1
271 #define CFG_ENV_OFFSET 0
272 #define CFG_ENV_SIZE 2048
273 #define CFG_EEPROM_PAGE_WRITE_BITS 4 /* 16-byte page size */
276 * Internal Definitions
280 #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH*/
281 #define BOOTFLAG_WARM 0x02 /* Software reboot */
284 /*-----------------------------------------------------------------------
285 * Cache Configuration
287 #define CFG_CACHELINE_SIZE 32 /* For MPC8260 CPU */
288 #if defined(CONFIG_CMD_KGDB)
289 # define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */
292 /*-----------------------------------------------------------------------
293 * HIDx - Hardware Implementation-dependent Registers 2-11
294 *-----------------------------------------------------------------------
295 * HID0 also contains cache control - initially enable both caches and
296 * invalidate contents, then the final state leaves only the instruction
297 * cache enabled. Note that Power-On and Hard reset invalidate the caches,
298 * but Soft reset does not.
300 * HID1 has only read-only information - nothing to set.
302 #define CFG_HID0_INIT (HID0_ICE|HID0_DCE|HID0_ICFI|\
303 HID0_DCI|HID0_IFEM|HID0_ABE)
304 #define CFG_HID0_FINAL (HID0_IFEM|HID0_ABE)
307 /*-----------------------------------------------------------------------
308 * RMR - Reset Mode Register 5-5
309 *-----------------------------------------------------------------------
310 * turn on Checkstop Reset Enable
312 #define CFG_RMR RMR_CSRE
314 /*-----------------------------------------------------------------------
315 * BCR - Bus Configuration 4-25
316 *-----------------------------------------------------------------------
318 #define BCR_APD01 0x10000000
319 #define CFG_BCR (BCR_APD01|BCR_ETM|BCR_LETM) /* 8260 mode */
321 /*-----------------------------------------------------------------------
322 * SIUMCR - SIU Module Configuration 4-31
323 *-----------------------------------------------------------------------
325 #define CFG_SIUMCR (SIUMCR_BBD|SIUMCR_APPC10|\
326 SIUMCR_CS10PC00|SIUMCR_BCTLC10)
328 /*-----------------------------------------------------------------------
329 * SYPCR - System Protection Control 4-35
330 * SYPCR can only be written once after reset!
331 *-----------------------------------------------------------------------
332 * Watchdog & Bus Monitor Timer max, 60x Bus Monitor enable
334 #if defined(CONFIG_WATCHDOG)
335 #define CFG_SYPCR (SYPCR_SWTC|SYPCR_BMT|SYPCR_PBME|SYPCR_LBME|\
336 SYPCR_SWRI|SYPCR_SWP|SYPCR_SWE)
338 #define CFG_SYPCR (SYPCR_SWTC|SYPCR_BMT|SYPCR_PBME|SYPCR_LBME|\
339 SYPCR_SWRI|SYPCR_SWP)
340 #endif /* CONFIG_WATCHDOG */
342 /*-----------------------------------------------------------------------
343 * TMCNTSC - Time Counter Status and Control 4-40
344 *-----------------------------------------------------------------------
345 * Clear once per Second and Alarm Interrupt Status, Set 32KHz timersclk,
346 * and enable Time Counter
348 #define CFG_TMCNTSC (TMCNTSC_SEC|TMCNTSC_ALR|TMCNTSC_TCF|TMCNTSC_TCE)
350 /*-----------------------------------------------------------------------
351 * PISCR - Periodic Interrupt Status and Control 4-42
352 *-----------------------------------------------------------------------
353 * Clear Periodic Interrupt Status, Set 32KHz timersclk, and enable
356 #define CFG_PISCR (PISCR_PS|PISCR_PTF|PISCR_PTE)
358 /*-----------------------------------------------------------------------
359 * SCCR - System Clock Control 9-8
360 *-----------------------------------------------------------------------
361 * Ensure DFBRG is Divide by 16
363 #define CFG_SCCR SCCR_DFBRG01
365 /*-----------------------------------------------------------------------
366 * RCCR - RISC Controller Configuration 13-7
367 *-----------------------------------------------------------------------
371 #define CFG_MIN_AM_MASK 0xC0000000
372 /*-----------------------------------------------------------------------
373 * MPTPR - Memory Refresh Timer Prescaler Register 10-18
374 *-----------------------------------------------------------------------
376 #define CFG_MPTPR 0x1F00
378 /*-----------------------------------------------------------------------
379 * PSRT - Refresh Timer Register 10-16
380 *-----------------------------------------------------------------------
382 #define CFG_PSRT 0x0f
384 /*-----------------------------------------------------------------------
385 * PSRT - SDRAM Mode Register 10-10
386 *-----------------------------------------------------------------------
389 /* SDRAM initialization values for 8-column chips
391 #define CFG_OR2_8COL (CFG_MIN_AM_MASK |\
393 ORxS_ROWST_PBI1_A7 |\
396 #define CFG_PSDMR_8COL (PSDMR_PBI |\
397 PSDMR_SDAM_A15_IS_A5 |\
398 PSDMR_BSMA_A15_A17 |\
399 PSDMR_SDA10_PBI1_A7 |\
407 /* SDRAM initialization values for 9-column chips
409 #define CFG_OR2_9COL (CFG_MIN_AM_MASK |\
411 ORxS_ROWST_PBI1_A6 |\
414 #define CFG_PSDMR_9COL (PSDMR_PBI |\
415 PSDMR_SDAM_A16_IS_A5 |\
416 PSDMR_BSMA_A15_A17 |\
417 PSDMR_SDA10_PBI1_A6 |\
426 * Init Memory Controller:
428 * Bank Bus Machine PortSz Device
429 * ---- --- ------- ------ ------
430 * 0 60x GPCM 8 bit Boot ROM
431 * 1 60x GPCM 64 bit FLASH
432 * 2 60x SDRAM 64 bit SDRAM
436 #define CFG_MRS_OFFS 0x00000000
440 #define CFG_BR0_PRELIM ((CFG_FLASH_BASE & BRx_BA_MSK) |\
445 #define CFG_OR0_PRELIM (P2SZ_TO_AM(CFG_FLASH_SIZE) |\
452 /* Bank 2 - 60x bus SDRAM
455 #define CFG_BR2_PRELIM ((CFG_SDRAM_BASE & BRx_BA_MSK) |\
460 #define CFG_OR2_PRELIM CFG_OR2_8COL
462 #define CFG_PSDMR CFG_PSDMR_8COL
463 #endif /* CFG_RAMBOOT */
465 #define CFG_BR4_PRELIM ((RTC_BASE_ADDR & BRx_BA_MSK) |\
470 #define CFG_OR4_PRELIM (ORxU_AM_MSK | ORxU_BI)
472 /*-----------------------------------------------------------------------
474 *-----------------------------------------------------------------------
477 #define CONFIG_I82365
479 #define CFG_PCMCIA_MEM_ADDR 0x81000000
480 #define CFG_PCMCIA_MEM_SIZE 0x1000
482 /*-----------------------------------------------------------------------
483 * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter)
484 *-----------------------------------------------------------------------
487 #define CONFIG_IDE_8xx_PCCARD 1 /* Use IDE with PC Card Adapter */
489 #undef CONFIG_IDE_8xx_DIRECT /* Direct IDE not supported */
490 #undef CONFIG_IDE_LED /* LED for ide not supported */
491 #undef CONFIG_IDE_RESET /* reset for ide not supported */
493 #define CFG_IDE_MAXBUS 1 /* max. 1 IDE bus */
494 #define CFG_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */
496 #define CFG_ATA_IDE0_OFFSET 0x0000
498 #define CFG_ATA_BASE_ADDR 0xa0000000
500 /* Offset for data I/O */
501 #define CFG_ATA_DATA_OFFSET 0x100
503 /* Offset for normal register accesses */
504 #define CFG_ATA_REG_OFFSET 0x100
506 /* Offset for alternate registers */
507 #define CFG_ATA_ALT_OFFSET 0x108
509 #endif /* __CONFIG_H */