2 * (C) Copyright 2000-2005
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_MPC860 1
37 #define CONFIG_MPC860T 1
38 #define CONFIG_MPC862 1 /* enable 862 since the */
39 #define CONFIG_MPC857 1 /* 857 is a variant of the 862 */
41 #define CONFIG_UC100 1 /* ...on a UC100 module */
43 #define MPC8XX_FACT 4 /* Multiply by 4 */
44 #define MPC8XX_XIN 25000000 /* 25.0 MHz in */
45 #define CONFIG_8xx_GCLK_FREQ (MPC8XX_FACT * MPC8XX_XIN)
46 /* define if cant' use get_gclk_freq */
48 #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
49 #undef CONFIG_8xx_CONS_SMC2
50 #undef CONFIG_8xx_CONS_NONE
52 #define CONFIG_MISC_INIT_R 1 /* call misc_init_r() */
54 #define CONFIG_BAUDRATE 115200 /* console baudrate = 115kbps */
56 #define CONFIG_BOOTCOUNT_LIMIT
58 #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
60 #define CONFIG_BOARD_TYPES 1 /* support board types */
62 #define CONFIG_PREBOOT "echo;" \
63 "echo Type \"run flash_nfs\" to mount root filesystem over NFS;" \
66 #undef CONFIG_BOOTARGS
68 #define CONFIG_EXTRA_ENV_SETTINGS \
70 "nfsargs=setenv bootargs root=/dev/nfs rw " \
71 "nfsroot=${serverip}:${rootpath}\0" \
72 "ramargs=setenv bootargs root=/dev/ram rw\0" \
73 "addip=setenv bootargs ${bootargs} " \
74 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
75 ":${hostname}:${netdev}:off panic=1\0" \
76 "addtty=setenv bootargs ${bootargs} console=ttyS0,${baudrate}\0"\
77 "flash_nfs=run nfsargs addip addtty;" \
78 "bootm ${kernel_addr}\0" \
79 "flash_self=run ramargs addip addtty;" \
80 "bootm ${kernel_addr} ${ramdisk_addr}\0" \
81 "net_nfs=tftp 200000 ${bootfile};run nfsargs addip addtty;" \
83 "rootpath=/opt/eldk/ppc_8xx\0" \
84 "bootfile=/tftpboot/uc100/uImage\0" \
85 "kernel_addr=40000000\0" \
86 "ramdisk_addr=40100000\0" \
87 "load=tftp 100000 /tftpboot/uc100/u-boot.bin\0" \
88 "update=protect off 40700000 4073ffff;era 40700000 4073ffff;" \
89 "cp.b 100000 40700000 ${filesize};" \
90 "setenv filesize;saveenv\0" \
92 #define CONFIG_BOOTCOMMAND "run flash_self"
94 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
95 #undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */
97 #undef CONFIG_WATCHDOG /* watchdog disabled */
99 #undef CONFIG_STATUS_LED /* no status-led */
104 #define CONFIG_BOOTP_SUBNETMASK
105 #define CONFIG_BOOTP_GATEWAY
106 #define CONFIG_BOOTP_HOSTNAME
107 #define CONFIG_BOOTP_BOOTPATH
108 #define CONFIG_BOOTP_BOOTFILESIZE
111 #define CONFIG_MAC_PARTITION
112 #define CONFIG_DOS_PARTITION
114 #undef CONFIG_RTC_MPC8xx
115 #define CFG_I2C_RTC_ADDR 0x51 /* PCF8563 RTC */
116 #define CONFIG_RTC_PCF8563 /* use Philips PCF8563 RTC */
119 * Power On Self Test support
121 #define CONFIG_POST ( CFG_POST_CACHE | \
130 * Command line configuration.
132 #include <config_cmd_default.h>
134 #define CONFIG_CMD_ASKENV
135 #define CONFIG_CMD_DATE
136 #define CONFIG_CMD_DHCP
137 #define CONFIG_CMD_EEPROM
138 #define CONFIG_CMD_ELF
139 #define CONFIG_CMD_FAT
140 #define CONFIG_CMD_I2C
141 #define CONFIG_CMD_IDE
142 #define CONFIG_CMD_MII
143 #define CONFIG_CMD_NFS
144 #define CONFIG_CMD_PING
145 #define CONFIG_CMD_SNTP
148 #define CONFIG_CMD_DIAG
152 #define CONFIG_NETCONSOLE
155 * Miscellaneous configurable options
157 #define CFG_LONGHELP /* undef to save memory */
158 #define CFG_PROMPT "=> " /* Monitor Command Prompt */
161 #define CFG_HUSH_PARSER 1 /* use "hush" command parser */
163 #ifdef CFG_HUSH_PARSER
164 #define CFG_PROMPT_HUSH_PS2 "> "
167 #if defined(CONFIG_CMD_KGDB)
168 #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
170 #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
172 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
173 #define CFG_MAXARGS 16 /* max number of command args */
174 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
176 #define CFG_MEMTEST_START 0x0400000 /* memtest works on */
177 #define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
179 #define CFG_LOAD_ADDR 0x100000 /* default load address */
181 #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
183 #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
185 #define CONFIG_AUTO_COMPLETE 1 /* add autocompletion support */
188 * Low Level Configuration Settings
189 * (address mappings, register initial values, etc.)
190 * You should know what you are doing if you make changes here.
192 /*-----------------------------------------------------------------------
193 * Internal Memory Mapped Register
195 #define CFG_IMMR 0xF0000000
197 /*-----------------------------------------------------------------------
198 * Definitions for initial stack pointer and data area (in DPRAM)
200 #define CFG_INIT_RAM_ADDR CFG_IMMR
201 #define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
202 #define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
203 #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
204 #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
206 /*-----------------------------------------------------------------------
207 * Start addresses for the final memory configuration
208 * (Set up by the startup code)
209 * Please note that CFG_SDRAM_BASE _must_ start at 0
211 #define CFG_SDRAM_BASE 0x00000000
212 #define CFG_FLASH_BASE 0x40000000
213 #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
214 #define CFG_MONITOR_BASE (CFG_FLASH_BASE+0x00700000) /* resetvec fff00100*/
215 #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
217 /*-----------------------------------------------------------------------
218 * Address accessed to reset the board - must not be mapped/assigned
220 #define CFG_RESET_ADDRESS 0x90000000
223 * For booting Linux, the board info and command line data
224 * have to be in the first 8 MB of memory, since this is
225 * the maximum mapped by the Linux kernel during initialization.
227 #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
229 /*-----------------------------------------------------------------------
232 #define CFG_FLASH_CFI /* The flash is CFI compatible */
233 #define CFG_FLASH_CFI_DRIVER /* Use common CFI driver */
234 #define CFG_FLASH_CFI_AMD_RESET 1 /* AMD RESET for STM 29W320DB! */
236 #define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
237 #define CFG_MAX_FLASH_SECT 256 /* max number of sectors on one chip */
239 #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
240 #define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
242 #define CFG_FLASH_EMPTY_INFO /* print 'E' for empty sector on flinfo */
244 #define CFG_ENV_IS_IN_FLASH 1
245 #define CFG_ENV_ADDR (CFG_MONITOR_BASE+CFG_MONITOR_LEN)
246 #define CFG_ENV_SECT_SIZE 0x20000 /* size of one complete sector */
247 #define CFG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */
249 /* Address and size of Redundant Environment Sector */
250 #define CFG_ENV_ADDR_REDUND (CFG_ENV_ADDR+CFG_ENV_SECT_SIZE)
251 #define CFG_ENV_SIZE_REDUND (CFG_ENV_SIZE)
253 /*-----------------------------------------------------------------------
254 * Cache Configuration
256 #define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
257 #if defined(CONFIG_CMD_KGDB)
258 #define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */
261 /*-----------------------------------------------------------------------
262 * SYPCR - System Protection Control 11-9
263 * SYPCR can only be written once after reset!
264 *-----------------------------------------------------------------------
265 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
267 #if defined(CONFIG_WATCHDOG)
268 #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
269 SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
271 #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
274 /*-----------------------------------------------------------------------
275 * SIUMCR - SIU Module Configuration 11-6
276 *-----------------------------------------------------------------------
277 * PCMCIA config., multi-function pin tri-state
279 #define CFG_SIUMCR (SIUMCR_FRC | SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
281 /*-----------------------------------------------------------------------
282 * TBSCR - Time Base Status and Control 11-26
283 *-----------------------------------------------------------------------
284 * Clear Reference Interrupt Status, Timebase freezing enabled
286 #define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
288 /*-----------------------------------------------------------------------
289 * RTCSC - Real-Time Clock Status and Control Register 11-27
290 *-----------------------------------------------------------------------
292 #define CFG_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
294 /*-----------------------------------------------------------------------
295 * PISCR - Periodic Interrupt Status and Control 11-31
296 *-----------------------------------------------------------------------
297 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
299 #define CFG_PISCR (PISCR_PS | PISCR_PITF)
301 /*-----------------------------------------------------------------------
302 * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
303 *-----------------------------------------------------------------------
304 * Reset PLL lock status sticky bit, timer expired status bit and timer
305 * interrupt status bit
307 #define CFG_PLPRCR (((MPC8XX_FACT-1) << PLPRCR_MF_SHIFT) | \
308 PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
310 /*-----------------------------------------------------------------------
311 * SCCR - System Clock and reset Control Register 15-27
312 *-----------------------------------------------------------------------
313 * Set clock output, timebase and RTC source and divider,
314 * power management and some other internal clocks
316 #define SCCR_MASK 0x00000000
317 #define CFG_SCCR (SCCR_EBDF11)
319 /*-----------------------------------------------------------------------
321 *-----------------------------------------------------------------------
324 #define CFG_PCMCIA_MEM_ADDR (0xE0000000)
325 #define CFG_PCMCIA_MEM_SIZE ( 64 << 20 )
326 #define CFG_PCMCIA_DMA_ADDR (0xE4000000)
327 #define CFG_PCMCIA_DMA_SIZE ( 64 << 20 )
328 #define CFG_PCMCIA_ATTRB_ADDR (0xE8000000)
329 #define CFG_PCMCIA_ATTRB_SIZE ( 64 << 20 )
330 #define CFG_PCMCIA_IO_ADDR (0xEC000000)
331 #define CFG_PCMCIA_IO_SIZE ( 64 << 20 )
333 /*-----------------------------------------------------------------------
334 * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter)
335 *-----------------------------------------------------------------------
338 #define CONFIG_IDE_8xx_PCCARD 1 /* Use IDE with PC Card Adapter */
340 #undef CONFIG_IDE_8xx_DIRECT /* Direct IDE not supported */
341 #undef CONFIG_IDE_LED /* LED for ide not supported */
342 #undef CONFIG_IDE_RESET /* reset for ide not supported */
344 #define CFG_IDE_MAXBUS 1 /* max. 1 IDE bus */
345 #define CFG_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */
347 #define CFG_ATA_IDE0_OFFSET 0x0000
349 #define CFG_ATA_BASE_ADDR CFG_PCMCIA_MEM_ADDR
351 /* Offset for data I/O */
352 #define CFG_ATA_DATA_OFFSET (CFG_PCMCIA_MEM_SIZE + 0x320)
354 /* Offset for normal register accesses */
355 #define CFG_ATA_REG_OFFSET (2 * CFG_PCMCIA_MEM_SIZE + 0x320)
357 /* Offset for alternate registers */
358 #define CFG_ATA_ALT_OFFSET 0x0100
360 /*-----------------------------------------------------------------------
362 *-----------------------------------------------------------------------
368 * Init Memory Controller:
370 * BR0/1 and OR0/1 (FLASH)
373 #define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */
374 #define FLASH_BASE1_PRELIM 0x60000000 /* FLASH bank #0 */
376 /* used to re-map FLASH both when starting from SRAM or FLASH:
377 * restrict access enough to keep SRAM working (if any)
378 * but not too much to meddle with FLASH accesses
380 #define CFG_REMAP_OR_AM 0x80000000 /* OR addr mask */
381 #define CFG_PRELIM_OR_AM 0xFF800000 /* OR addr mask */
386 #define CFG_OR_TIMING_FLASH (0x00000d24)
388 #define CFG_OR0_REMAP (CFG_REMAP_OR_AM | CFG_OR_TIMING_FLASH)
389 #define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH)
390 #define CFG_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V )
392 #define CFG_BR1_PRELIM 0x00000081 /* Chip select for SDRAM (32 Bit, UPMA) */
393 #define CFG_OR1_PRELIM 0xfc000a00
394 #define CFG_BR2_PRELIM 0x80000001 /* Chip select for SRAM (32 Bit, GPCM) */
395 #define CFG_OR2_PRELIM 0xfff00d24
396 #define CFG_BR3_PRELIM 0x80600401 /* Chip select for Display (8 Bit, GPCM) */
397 #define CFG_OR3_PRELIM 0xffff8f44
398 #define CFG_BR4_PRELIM 0xc05108c1 /* Chip select for Interbus MPM (16 Bit, UPMB) */
399 #define CFG_OR4_PRELIM 0xffff0300
400 #define CFG_BR5_PRELIM 0xc0500401 /* Chip select for Interbus Status (8 Bit, GPCM) */
401 #define CFG_OR5_PRELIM 0xffff8db0
404 * Memory Periodic Timer Prescaler
406 * The Divider for PTA (refresh timer) configuration is based on an
407 * example SDRAM configuration (64 MBit, one bank). The adjustment to
408 * the number of chip selects (NCS) and the actually needed refresh
409 * rate is done by setting MPTPR.
411 * PTA is calculated from
412 * PTA = (gclk * Trefresh) / ((2 ^ (2 * DFBRG)) * PTP * NCS)
414 * gclk CPU clock (not bus clock!)
415 * Trefresh Refresh cycle * 4 (four word bursts used)
417 * 4096 Rows from SDRAM example configuration
418 * 1000 factor s -> ms
419 * 32 PTP (pre-divider from MPTPR) from SDRAM example configuration
420 * 4 Number of refresh cycles per period
421 * 64 Refresh cycle in ms per number of rows
422 * --------------------------------------------
423 * Divider = 4096 * 32 * 1000 / (4 * 64) = 512000
425 * 50 MHz => 50.000.000 / Divider = 98
426 * 66 Mhz => 66.000.000 / Divider = 129
427 * 80 Mhz => 80.000.000 / Divider = 156
428 * 100 Mhz => 100.000.000 / Divider = 195
431 #define CFG_PTA_PER_CLK ((4096 * 32 * 1000) / (4 * 64))
432 #define CFG_MAMR_PTA 98
435 * For 16 MBit, refresh rates could be 31.3 us
436 * (= 64 ms / 2K = 125 / quad bursts).
437 * For a simpler initialization, 15.6 us is used instead.
439 * #define CFG_MPTPR_2BK_2K MPTPR_PTP_DIV32 for 2 banks
440 * #define CFG_MPTPR_1BK_2K MPTPR_PTP_DIV64 for 1 bank
442 #define CFG_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */
443 #define CFG_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */
445 /* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */
446 #define CFG_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */
447 #define CFG_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */
450 * MAMR settings for SDRAM
454 #define CFG_MAMR_8COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
455 MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \
456 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
458 #define CFG_MAMR_9COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
459 MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \
460 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
462 #define CFG_MAMR_VAL 0x30904114 /* for SDRAM */
463 #define CFG_MBMR_VAL 0xff001111 /* for Interbus-MPM */
465 /*-----------------------------------------------------------------------
469 /* enable I2C and select the hardware/software driver */
470 #undef CONFIG_HARD_I2C /* I2C with hardware support */
471 #define CONFIG_SOFT_I2C 1 /* I2C bit-banged */
473 #define CFG_I2C_SPEED 93000 /* 93 kHz is supposed to work */
474 #define CFG_I2C_SLAVE 0xFE
476 #ifdef CONFIG_SOFT_I2C
478 * Software (bit-bang) I2C driver configuration
480 #define PB_SCL 0x00000020 /* PB 26 */
481 #define PB_SDA 0x00000010 /* PB 27 */
483 #define I2C_INIT (immr->im_cpm.cp_pbdir |= PB_SCL)
484 #define I2C_ACTIVE (immr->im_cpm.cp_pbdir |= PB_SDA)
485 #define I2C_TRISTATE (immr->im_cpm.cp_pbdir &= ~PB_SDA)
486 #define I2C_READ ((immr->im_cpm.cp_pbdat & PB_SDA) != 0)
487 #define I2C_SDA(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SDA; \
488 else immr->im_cpm.cp_pbdat &= ~PB_SDA
489 #define I2C_SCL(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SCL; \
490 else immr->im_cpm.cp_pbdat &= ~PB_SCL
491 #define I2C_DELAY udelay(2) /* 1/4 I2C clock duration */
492 #endif /* CONFIG_SOFT_I2C */
494 /*-----------------------------------------------------------------------
495 * I2C EEPROM (24C164)
497 #define CFG_I2C_EEPROM_ADDR 0x58 /* EEPROM AT24C164 */
498 #define CFG_I2C_EEPROM_ADDR_LEN 1
499 #define CFG_EEPROM_PAGE_WRITE_DELAY_MS 10 /* takes up to 10 msec */
500 #define CFG_EEPROM_PAGE_WRITE_BITS 4
503 * Internal Definitions
507 #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
508 #define BOOTFLAG_WARM 0x02 /* Software reboot */
510 #define CONFIG_FEC_ENET 1 /* use FEC ethernet */
513 #define CFG_DISCOVER_PHY 1
515 #endif /* __CONFIG_H */