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 */
129 #define CONFIG_BOOTP_SUBNETMASK
130 #define CONFIG_BOOTP_GATEWAY
131 #define CONFIG_BOOTP_HOSTNAME
132 #define CONFIG_BOOTP_BOOTPATH
133 #define CONFIG_BOOTP_BOOTFILESIZE
137 * Command line configuration.
139 #include <config_cmd_default.h>
141 #define CONFIG_CMD_EEPROM
142 #define CONFIG_CMD_PCI
143 #define CONFIG_CMD_PCMCIA
144 #define CONFIG_CMD_DATE
145 #define CONFIG_CMD_IDE
148 #define CONFIG_DOS_PARTITION
151 * Miscellaneous configurable options
153 #define CFG_LONGHELP /* undef to save memory */
154 #define CFG_PROMPT "=> " /* Monitor Command Prompt */
155 #if defined(CONFIG_CMD_KGDB)
156 #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
158 #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
160 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
161 #define CFG_MAXARGS 16 /* max number of command args */
162 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
164 #define CFG_MEMTEST_START 0x0400000 /* memtest works on */
165 #define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
167 #define CFG_LOAD_ADDR 0x100000 /* default load address */
169 #define CFG_PIO_MODE 0 /* IDE interface in PIO Mode 0 */
171 #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
173 #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
175 #define CFG_RESET_ADDRESS 0xFFF00100 /* "bad" address */
177 #define CFG_ALLOC_DPRAM
179 #undef CONFIG_WATCHDOG /* watchdog disabled */
183 #define CONFIG_RTC_DS12887
185 #define RTC_BASE_ADDR 0xF5000000
186 #define RTC_PORT_ADDR RTC_BASE_ADDR + 0x800
187 #define RTC_PORT_DATA RTC_BASE_ADDR + 0x808
189 #define CONFIG_MISC_INIT_R
192 * For booting Linux, the board info and command line data
193 * have to be in the first 8 MB of memory, since this is
194 * the maximum mapped by the Linux kernel during initialization.
196 #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
198 /*-----------------------------------------------------------------------
199 * Flash configuration
202 #define CFG_FLASH_BASE 0xFF000000
203 #define CFG_FLASH_SIZE 0x00800000
205 /*-----------------------------------------------------------------------
208 #define CFG_MAX_FLASH_BANKS 1 /* max num of memory banks */
209 #define CFG_MAX_FLASH_SECT 128 /* max num of sects on one chip */
211 #define CFG_FLASH_ERASE_TOUT 240000 /* Flash Erase Timeout (in ms) */
212 #define CFG_FLASH_WRITE_TOUT 500 /* Flash Write Timeout (in ms) */
214 #define CONFIG_FLASH_16BIT
216 /*-----------------------------------------------------------------------
217 * Hard Reset Configuration Words
219 * if you change bits in the HRCW, you must also change the CFG_*
220 * defines for the various registers affected by the HRCW e.g. changing
221 * HRCW_DPPCxx requires you to also change CFG_SIUMCR.
223 #define CFG_HRCW_MASTER (HRCW_CIP | HRCW_ISB100 | HRCW_BMS | \
227 /* no slaves so just fill with zeros */
228 #define CFG_HRCW_SLAVE1 0
229 #define CFG_HRCW_SLAVE2 0
230 #define CFG_HRCW_SLAVE3 0
231 #define CFG_HRCW_SLAVE4 0
232 #define CFG_HRCW_SLAVE5 0
233 #define CFG_HRCW_SLAVE6 0
234 #define CFG_HRCW_SLAVE7 0
236 /*-----------------------------------------------------------------------
237 * Internal Memory Mapped Register
239 #define CFG_IMMR 0xF0000000
241 /*-----------------------------------------------------------------------
242 * Definitions for initial stack pointer and data area (in DPRAM)
244 #define CFG_INIT_RAM_ADDR CFG_IMMR
245 #define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
246 #define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data*/
247 #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
248 #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
250 /*-----------------------------------------------------------------------
251 * Start addresses for the final memory configuration
252 * (Set up by the startup code)
253 * Please note that CFG_SDRAM_BASE _must_ start at 0
255 * 60x SDRAM is mapped at CFG_SDRAM_BASE.
257 #define CFG_SDRAM_BASE 0x00000000
258 #define CFG_SDRAM_MAX_SIZE 0x08000000 /* max. 128 MB */
259 #define CFG_MONITOR_BASE TEXT_BASE
260 #define CFG_MONITOR_LEN (192 << 10) /* Reserve 192 kB for Monitor */
261 #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc()*/
263 #if (CFG_MONITOR_BASE < CFG_FLASH_BASE)
268 #define CONFIG_PCI_PNP
269 #define CFG_PCI_MSTR_IO_BUS 0x00000000 /* PCI base */
272 /* environment is in Flash */
273 #define CONFIG_ENV_IS_IN_FLASH 1
274 # define CONFIG_ENV_ADDR (CFG_FLASH_BASE+0x30000)
275 # define CONFIG_ENV_SIZE 0x10000
276 # define CONFIG_ENV_SECT_SIZE 0x10000
278 #define CONFIG_ENV_IS_IN_EEPROM 1
279 #define CONFIG_ENV_OFFSET 0
280 #define CONFIG_ENV_SIZE 2048
281 #define CFG_EEPROM_PAGE_WRITE_BITS 4 /* 16-byte page size */
284 * Internal Definitions
288 #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH*/
289 #define BOOTFLAG_WARM 0x02 /* Software reboot */
292 /*-----------------------------------------------------------------------
293 * Cache Configuration
295 #define CFG_CACHELINE_SIZE 32 /* For MPC8260 CPU */
296 #if defined(CONFIG_CMD_KGDB)
297 # define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */
300 /*-----------------------------------------------------------------------
301 * HIDx - Hardware Implementation-dependent Registers 2-11
302 *-----------------------------------------------------------------------
303 * HID0 also contains cache control - initially enable both caches and
304 * invalidate contents, then the final state leaves only the instruction
305 * cache enabled. Note that Power-On and Hard reset invalidate the caches,
306 * but Soft reset does not.
308 * HID1 has only read-only information - nothing to set.
310 #define CFG_HID0_INIT (HID0_ICE|HID0_DCE|HID0_ICFI|\
311 HID0_DCI|HID0_IFEM|HID0_ABE)
312 #define CFG_HID0_FINAL (HID0_IFEM|HID0_ABE)
315 /*-----------------------------------------------------------------------
316 * RMR - Reset Mode Register 5-5
317 *-----------------------------------------------------------------------
318 * turn on Checkstop Reset Enable
320 #define CFG_RMR RMR_CSRE
322 /*-----------------------------------------------------------------------
323 * BCR - Bus Configuration 4-25
324 *-----------------------------------------------------------------------
326 #define BCR_APD01 0x10000000
327 #define CFG_BCR (BCR_APD01|BCR_ETM|BCR_LETM) /* 8260 mode */
329 /*-----------------------------------------------------------------------
330 * SIUMCR - SIU Module Configuration 4-31
331 *-----------------------------------------------------------------------
333 #define CFG_SIUMCR (SIUMCR_BBD|SIUMCR_APPC10|\
334 SIUMCR_CS10PC00|SIUMCR_BCTLC10)
336 /*-----------------------------------------------------------------------
337 * SYPCR - System Protection Control 4-35
338 * SYPCR can only be written once after reset!
339 *-----------------------------------------------------------------------
340 * Watchdog & Bus Monitor Timer max, 60x Bus Monitor enable
342 #if defined(CONFIG_WATCHDOG)
343 #define CFG_SYPCR (SYPCR_SWTC|SYPCR_BMT|SYPCR_PBME|SYPCR_LBME|\
344 SYPCR_SWRI|SYPCR_SWP|SYPCR_SWE)
346 #define CFG_SYPCR (SYPCR_SWTC|SYPCR_BMT|SYPCR_PBME|SYPCR_LBME|\
347 SYPCR_SWRI|SYPCR_SWP)
348 #endif /* CONFIG_WATCHDOG */
350 /*-----------------------------------------------------------------------
351 * TMCNTSC - Time Counter Status and Control 4-40
352 *-----------------------------------------------------------------------
353 * Clear once per Second and Alarm Interrupt Status, Set 32KHz timersclk,
354 * and enable Time Counter
356 #define CFG_TMCNTSC (TMCNTSC_SEC|TMCNTSC_ALR|TMCNTSC_TCF|TMCNTSC_TCE)
358 /*-----------------------------------------------------------------------
359 * PISCR - Periodic Interrupt Status and Control 4-42
360 *-----------------------------------------------------------------------
361 * Clear Periodic Interrupt Status, Set 32KHz timersclk, and enable
364 #define CFG_PISCR (PISCR_PS|PISCR_PTF|PISCR_PTE)
366 /*-----------------------------------------------------------------------
367 * SCCR - System Clock Control 9-8
368 *-----------------------------------------------------------------------
369 * Ensure DFBRG is Divide by 16
371 #define CFG_SCCR SCCR_DFBRG01
373 /*-----------------------------------------------------------------------
374 * RCCR - RISC Controller Configuration 13-7
375 *-----------------------------------------------------------------------
379 #define CFG_MIN_AM_MASK 0xC0000000
380 /*-----------------------------------------------------------------------
381 * MPTPR - Memory Refresh Timer Prescaler Register 10-18
382 *-----------------------------------------------------------------------
384 #define CFG_MPTPR 0x1F00
386 /*-----------------------------------------------------------------------
387 * PSRT - Refresh Timer Register 10-16
388 *-----------------------------------------------------------------------
390 #define CFG_PSRT 0x0f
392 /*-----------------------------------------------------------------------
393 * PSRT - SDRAM Mode Register 10-10
394 *-----------------------------------------------------------------------
397 /* SDRAM initialization values for 8-column chips
399 #define CFG_OR2_8COL (CFG_MIN_AM_MASK |\
401 ORxS_ROWST_PBI1_A7 |\
404 #define CFG_PSDMR_8COL (PSDMR_PBI |\
405 PSDMR_SDAM_A15_IS_A5 |\
406 PSDMR_BSMA_A15_A17 |\
407 PSDMR_SDA10_PBI1_A7 |\
415 /* SDRAM initialization values for 9-column chips
417 #define CFG_OR2_9COL (CFG_MIN_AM_MASK |\
419 ORxS_ROWST_PBI1_A6 |\
422 #define CFG_PSDMR_9COL (PSDMR_PBI |\
423 PSDMR_SDAM_A16_IS_A5 |\
424 PSDMR_BSMA_A15_A17 |\
425 PSDMR_SDA10_PBI1_A6 |\
434 * Init Memory Controller:
436 * Bank Bus Machine PortSz Device
437 * ---- --- ------- ------ ------
438 * 0 60x GPCM 8 bit Boot ROM
439 * 1 60x GPCM 64 bit FLASH
440 * 2 60x SDRAM 64 bit SDRAM
444 #define CFG_MRS_OFFS 0x00000000
448 #define CFG_BR0_PRELIM ((CFG_FLASH_BASE & BRx_BA_MSK) |\
453 #define CFG_OR0_PRELIM (P2SZ_TO_AM(CFG_FLASH_SIZE) |\
460 /* Bank 2 - 60x bus SDRAM
463 #define CFG_BR2_PRELIM ((CFG_SDRAM_BASE & BRx_BA_MSK) |\
468 #define CFG_OR2_PRELIM CFG_OR2_8COL
470 #define CFG_PSDMR CFG_PSDMR_8COL
471 #endif /* CFG_RAMBOOT */
473 #define CFG_BR4_PRELIM ((RTC_BASE_ADDR & BRx_BA_MSK) |\
478 #define CFG_OR4_PRELIM (ORxU_AM_MSK | ORxU_BI)
480 /*-----------------------------------------------------------------------
482 *-----------------------------------------------------------------------
485 #define CONFIG_I82365
487 #define CFG_PCMCIA_MEM_ADDR 0x81000000
488 #define CFG_PCMCIA_MEM_SIZE 0x1000
490 /*-----------------------------------------------------------------------
491 * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter)
492 *-----------------------------------------------------------------------
495 #define CONFIG_IDE_8xx_PCCARD 1 /* Use IDE with PC Card Adapter */
497 #undef CONFIG_IDE_8xx_DIRECT /* Direct IDE not supported */
498 #undef CONFIG_IDE_LED /* LED for ide not supported */
499 #undef CONFIG_IDE_RESET /* reset for ide not supported */
501 #define CFG_IDE_MAXBUS 1 /* max. 1 IDE bus */
502 #define CFG_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */
504 #define CFG_ATA_IDE0_OFFSET 0x0000
506 #define CFG_ATA_BASE_ADDR 0xa0000000
508 /* Offset for data I/O */
509 #define CFG_ATA_DATA_OFFSET 0x100
511 /* Offset for normal register accesses */
512 #define CFG_ATA_REG_OFFSET 0x100
514 /* Offset for alternate registers */
515 #define CFG_ATA_ALT_OFFSET 0x108
517 #endif /* __CONFIG_H */