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_MPC866 1 /* This is a MPC866 CPU */
37 #define CONFIG_TQM866M 1 /* ...on a TQM8xxM module */
39 #define CONFIG_8xx_OSCLK 10000000 /* 10 MHz - PLL input clock */
40 #define CFG_8xx_CPUCLK_MIN 15000000 /* 15 MHz - CPU minimum clock */
41 #define CFG_8xx_CPUCLK_MAX 133000000 /* 133 MHz - CPU maximum clock */
42 #define CONFIG_8xx_CPUCLK_DEFAULT 50000000 /* 50 MHz - CPU default clock */
43 /* (it will be used if there is no */
44 /* 'cpuclk' variable with valid value) */
46 #undef CFG_MEASURE_CPUCLK /* Measure real cpu clock */
47 /* (function measure_gclk() */
49 #ifdef CFG_MEASURE_CPUCLK
50 #define CFG_8XX_XIN 10000000 /* measure_gclk() needs this */
53 #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
55 #define CONFIG_BAUDRATE 115200 /* console baudrate = 115kbps */
57 #define CONFIG_BOOTCOUNT_LIMIT
59 #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
61 #define CONFIG_BOARD_TYPES 1 /* support board types */
63 #define CONFIG_PREBOOT "echo;" \
64 "echo Type \"run flash_nfs\" to mount root filesystem over NFS;" \
67 #undef CONFIG_BOOTARGS
69 #define CONFIG_EXTRA_ENV_SETTINGS \
71 "nfsargs=setenv bootargs root=/dev/nfs rw " \
72 "nfsroot=${serverip}:${rootpath}\0" \
73 "ramargs=setenv bootargs root=/dev/ram rw\0" \
74 "addip=setenv bootargs ${bootargs} " \
75 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
76 ":${hostname}:${netdev}:off panic=1\0" \
77 "flash_nfs=run nfsargs addip;" \
78 "bootm ${kernel_addr}\0" \
79 "flash_self=run ramargs addip;" \
80 "bootm ${kernel_addr} ${ramdisk_addr}\0" \
81 "net_nfs=tftp 200000 ${bootfile};run nfsargs addip;bootm\0" \
82 "rootpath=/opt/eldk/ppc_8xx\0" \
83 "bootfile=/tftpboot/TQM866M/uImage\0" \
84 "fdt_addr=400C0000\0" \
85 "kernel_addr=40100000\0" \
86 "ramdisk_addr=40280000\0" \
87 "load=tftp 200000 ${u-boot}\0" \
88 "update=protect off 40000000 +${filesize};" \
89 "erase 40000000 +${filesize};" \
90 "cp.b 200000 40000000 ${filesize};" \
91 "protect on 40000000 +${filesize}\0" \
93 #define CONFIG_BOOTCOMMAND "run flash_self"
95 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
96 #undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */
98 #undef CONFIG_WATCHDOG /* watchdog disabled */
100 #define CONFIG_STATUS_LED 1 /* Status LED enabled */
102 #undef CONFIG_CAN_DRIVER /* CAN Driver support disabled */
104 /* enable I2C and select the hardware/software driver */
105 #undef CONFIG_HARD_I2C /* I2C with hardware support */
106 #define CONFIG_SOFT_I2C 1 /* I2C bit-banged */
108 #define CFG_I2C_SPEED 93000 /* 93 kHz is supposed to work */
109 #define CFG_I2C_SLAVE 0xFE
111 #ifdef CONFIG_SOFT_I2C
113 * Software (bit-bang) I2C driver configuration
115 #define PB_SCL 0x00000020 /* PB 26 */
116 #define PB_SDA 0x00000010 /* PB 27 */
118 #define I2C_INIT (immr->im_cpm.cp_pbdir |= PB_SCL)
119 #define I2C_ACTIVE (immr->im_cpm.cp_pbdir |= PB_SDA)
120 #define I2C_TRISTATE (immr->im_cpm.cp_pbdir &= ~PB_SDA)
121 #define I2C_READ ((immr->im_cpm.cp_pbdat & PB_SDA) != 0)
122 #define I2C_SDA(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SDA; \
123 else immr->im_cpm.cp_pbdat &= ~PB_SDA
124 #define I2C_SCL(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SCL; \
125 else immr->im_cpm.cp_pbdat &= ~PB_SCL
126 #define I2C_DELAY udelay(2) /* 1/4 I2C clock duration */
127 #endif /* CONFIG_SOFT_I2C */
129 #define CFG_I2C_EEPROM_ADDR 0x50 /* EEPROM AT24C256 */
130 #define CFG_I2C_EEPROM_ADDR_LEN 2 /* two byte address */
131 #define CFG_EEPROM_PAGE_WRITE_BITS 4
132 #define CFG_EEPROM_PAGE_WRITE_DELAY_MS 10 /* and takes up to 10 msec */
137 #define CONFIG_BOOTP_SUBNETMASK
138 #define CONFIG_BOOTP_GATEWAY
139 #define CONFIG_BOOTP_HOSTNAME
140 #define CONFIG_BOOTP_BOOTPATH
141 #define CONFIG_BOOTP_BOOTFILESIZE
144 #define CONFIG_MAC_PARTITION
145 #define CONFIG_DOS_PARTITION
147 #undef CONFIG_RTC_MPC8xx /* MPC866 does not support RTC */
149 #define CONFIG_TIMESTAMP /* but print image timestmps */
153 * Command line configuration.
155 #include <config_cmd_default.h>
157 #define CONFIG_CMD_ASKENV
158 #define CONFIG_CMD_DHCP
159 #define CONFIG_CMD_EEPROM
160 #define CONFIG_CMD_I2C
161 #define CONFIG_CMD_IDE
162 #define CONFIG_CMD_NFS
166 * Miscellaneous configurable options
168 #define CFG_LONGHELP /* undef to save memory */
169 #define CFG_PROMPT "=> " /* Monitor Command Prompt */
171 #define CONFIG_CMDLINE_EDITING 1 /* add command line history */
172 #define CFG_HUSH_PARSER 1 /* Use the HUSH parser */
173 #ifdef CFG_HUSH_PARSER
174 #define CFG_PROMPT_HUSH_PS2 "> "
177 #if defined(CONFIG_CMD_KGDB)
178 #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
180 #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
182 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
183 #define CFG_MAXARGS 16 /* max number of command args */
184 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
186 #define CFG_MEMTEST_START 0x0400000 /* memtest works on */
187 #define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
189 #define CFG_LOAD_ADDR 0x100000 /* default load address */
191 #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
193 #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
196 * Low Level Configuration Settings
197 * (address mappings, register initial values, etc.)
198 * You should know what you are doing if you make changes here.
200 /*-----------------------------------------------------------------------
201 * Internal Memory Mapped Register
203 #define CFG_IMMR 0xFFF00000
205 /*-----------------------------------------------------------------------
206 * Definitions for initial stack pointer and data area (in DPRAM)
208 #define CFG_INIT_RAM_ADDR CFG_IMMR
209 #define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
210 #define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
211 #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
212 #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
214 /*-----------------------------------------------------------------------
215 * Start addresses for the final memory configuration
216 * (Set up by the startup code)
217 * Please note that CFG_SDRAM_BASE _must_ start at 0
219 #define CFG_SDRAM_BASE 0x00000000
220 #define CFG_FLASH_BASE 0x40000000
221 #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
222 #define CFG_MONITOR_BASE CFG_FLASH_BASE
223 #define CFG_MALLOC_LEN (256 << 10) /* Reserve 256 kB for malloc() */
226 * For booting Linux, the board info and command line data
227 * have to be in the first 8 MB of memory, since this is
228 * the maximum mapped by the Linux kernel during initialization.
230 #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
232 /*-----------------------------------------------------------------------
235 #define CFG_MAX_FLASH_BANKS 2 /* max number of memory banks */
236 #define CFG_MAX_FLASH_SECT 256 /* max number of sectors on one chip */
238 #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
239 #define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
241 #define CFG_ENV_IS_IN_FLASH 1
242 #define CFG_ENV_OFFSET 0x40000 /* Offset of Environment Sector */
243 #define CFG_ENV_SIZE 0x08000 /* Total Size of Environment Sector */
244 #define CFG_ENV_SECT_SIZE 0x40000 /* Total Size of Environment Sector */
246 /* Address and size of Redundant Environment Sector */
247 #define CFG_ENV_OFFSET_REDUND (CFG_ENV_OFFSET+CFG_ENV_SECT_SIZE)
248 #define CFG_ENV_SIZE_REDUND (CFG_ENV_SIZE)
250 #define CFG_USE_PPCENV /* Environment embedded in sect .ppcenv */
252 /*-----------------------------------------------------------------------
253 * Hardware Information Block
255 #define CFG_HWINFO_OFFSET 0x0003FFC0 /* offset of HW Info block */
256 #define CFG_HWINFO_SIZE 0x00000040 /* size of HW Info block */
257 #define CFG_HWINFO_MAGIC 0x54514D38 /* 'TQM8' */
259 /*-----------------------------------------------------------------------
260 * Cache Configuration
262 #define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
263 #if defined(CONFIG_CMD_KGDB)
264 #define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */
267 /*-----------------------------------------------------------------------
268 * SYPCR - System Protection Control 11-9
269 * SYPCR can only be written once after reset!
270 *-----------------------------------------------------------------------
271 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
273 #if defined(CONFIG_WATCHDOG)
274 #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
275 SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
277 #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
280 /*-----------------------------------------------------------------------
281 * SIUMCR - SIU Module Configuration 11-6
282 *-----------------------------------------------------------------------
283 * PCMCIA config., multi-function pin tri-state
285 #ifndef CONFIG_CAN_DRIVER
286 #define CFG_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
287 #else /* we must activate GPL5 in the SIUMCR for CAN */
288 #define CFG_SIUMCR (SIUMCR_DBGC11 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
289 #endif /* CONFIG_CAN_DRIVER */
291 /*-----------------------------------------------------------------------
292 * TBSCR - Time Base Status and Control 11-26
293 *-----------------------------------------------------------------------
294 * Clear Reference Interrupt Status, Timebase freezing enabled
296 #define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
298 /*-----------------------------------------------------------------------
299 * PISCR - Periodic Interrupt Status and Control 11-31
300 *-----------------------------------------------------------------------
301 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
303 #define CFG_PISCR (PISCR_PS | PISCR_PITF)
305 /*-----------------------------------------------------------------------
306 * SCCR - System Clock and reset Control Register 15-27
307 *-----------------------------------------------------------------------
308 * Set clock output, timebase and RTC source and divider,
309 * power management and some other internal clocks
311 #define SCCR_MASK SCCR_EBDF11
312 #define CFG_SCCR (SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \
313 SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \
316 /*-----------------------------------------------------------------------
318 *-----------------------------------------------------------------------
321 #define CFG_PCMCIA_MEM_ADDR (0xE0000000)
322 #define CFG_PCMCIA_MEM_SIZE ( 64 << 20 )
323 #define CFG_PCMCIA_DMA_ADDR (0xE4000000)
324 #define CFG_PCMCIA_DMA_SIZE ( 64 << 20 )
325 #define CFG_PCMCIA_ATTRB_ADDR (0xE8000000)
326 #define CFG_PCMCIA_ATTRB_SIZE ( 64 << 20 )
327 #define CFG_PCMCIA_IO_ADDR (0xEC000000)
328 #define CFG_PCMCIA_IO_SIZE ( 64 << 20 )
330 /*-----------------------------------------------------------------------
331 * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter)
332 *-----------------------------------------------------------------------
335 #define CONFIG_IDE_8xx_PCCARD 1 /* Use IDE with PC Card Adapter */
337 #undef CONFIG_IDE_8xx_DIRECT /* Direct IDE not supported */
338 #undef CONFIG_IDE_LED /* LED for ide not supported */
339 #undef CONFIG_IDE_RESET /* reset for ide not supported */
341 #define CFG_IDE_MAXBUS 1 /* max. 1 IDE bus */
342 #define CFG_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */
344 #define CFG_ATA_IDE0_OFFSET 0x0000
346 #define CFG_ATA_BASE_ADDR CFG_PCMCIA_MEM_ADDR
348 /* Offset for data I/O */
349 #define CFG_ATA_DATA_OFFSET (CFG_PCMCIA_MEM_SIZE + 0x320)
351 /* Offset for normal register accesses */
352 #define CFG_ATA_REG_OFFSET (2 * CFG_PCMCIA_MEM_SIZE + 0x320)
354 /* Offset for alternate registers */
355 #define CFG_ATA_ALT_OFFSET 0x0100
357 /*-----------------------------------------------------------------------
359 *-----------------------------------------------------------------------
365 * Init Memory Controller:
367 * BR0/1 and OR0/1 (FLASH)
370 #define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */
371 #define FLASH_BASE1_PRELIM 0x60000000 /* FLASH bank #0 */
373 /* used to re-map FLASH both when starting from SRAM or FLASH:
374 * restrict access enough to keep SRAM working (if any)
375 * but not too much to meddle with FLASH accesses
377 #define CFG_REMAP_OR_AM 0x80000000 /* OR addr mask */
378 #define CFG_PRELIM_OR_AM 0xE0000000 /* OR addr mask */
381 * FLASH timing: Default value of OR0 after reset
383 #define CFG_OR_TIMING_FLASH (OR_CSNT_SAM | OR_ACS_MSK | OR_BI | \
384 OR_SCY_15_CLK | OR_TRLX)
386 #define CFG_OR0_REMAP (CFG_REMAP_OR_AM | CFG_OR_TIMING_FLASH)
387 #define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH)
388 #define CFG_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V )
390 #define CFG_OR1_REMAP CFG_OR0_REMAP
391 #define CFG_OR1_PRELIM CFG_OR0_PRELIM
392 #define CFG_BR1_PRELIM ((FLASH_BASE1_PRELIM & BR_BA_MSK) | BR_V )
395 * BR2/3 and OR2/3 (SDRAM)
398 #define SDRAM_BASE2_PRELIM 0x00000000 /* SDRAM bank #0 */
399 #define SDRAM_BASE3_PRELIM 0x20000000 /* SDRAM bank #1 */
400 #define SDRAM_MAX_SIZE (256 << 20) /* max 256 MB per bank */
402 /* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */
403 #define CFG_OR_TIMING_SDRAM 0x00000A00
405 #define CFG_OR2_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_SDRAM )
406 #define CFG_BR2_PRELIM ((SDRAM_BASE2_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
408 #ifndef CONFIG_CAN_DRIVER
409 #define CFG_OR3_PRELIM CFG_OR2_PRELIM
410 #define CFG_BR3_PRELIM ((SDRAM_BASE3_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
411 #else /* CAN uses CS3#, so we can have only one SDRAM bank anyway */
412 #define CFG_CAN_BASE 0xC0000000 /* CAN mapped at 0xC0000000 */
413 #define CFG_CAN_OR_AM 0xFFFF8000 /* 32 kB address mask */
414 #define CFG_OR3_CAN (CFG_CAN_OR_AM | OR_G5LA | OR_BI)
415 #define CFG_BR3_CAN ((CFG_CAN_BASE & BR_BA_MSK) | \
416 BR_PS_8 | BR_MS_UPMB | BR_V )
417 #endif /* CONFIG_CAN_DRIVER */
420 * 4096 Rows from SDRAM example configuration
421 * 1000 factor s -> ms
422 * 64 PTP (pre-divider from MPTPR) from SDRAM example configuration
423 * 4 Number of refresh cycles per period
424 * 64 Refresh cycle in ms per number of rows
426 #define CFG_PTA_PER_CLK ((4096 * 64 * 1000) / (4 * 64))
429 * Periodic timer (MAMR[PTx]) for 4 * 7.8 us refresh (= 31.2 us per quad)
431 * CPUclock(MHz) * 31.2
432 * CFG_MAMR_PTA = ----------------------------------- with DFBRG = 0
433 * 2^(2*SCCR[DFBRG]) * MPTPR_PTP_DIV16
435 * CPU clock = 15 MHz: CFG_MAMR_PTA = 29 -> 4 * 7.73 us
436 * CPU clock = 50 MHz: CFG_MAMR_PTA = 97 -> 4 * 7.76 us
437 * CPU clock = 66 MHz: CFG_MAMR_PTA = 128 -> 4 * 7.75 us
438 * CPU clock = 133 MHz: CFG_MAMR_PTA = 255 -> 4 * 7.67 us
440 * Value 97 is for 4 * 7.8 us at 50 MHz. So the refresh cycle requirement will
441 * be met also in the default configuration, i.e. if environment variable
442 * 'cpuclk' is not set.
444 #define CFG_MAMR_PTA 97
447 * Memory Periodic Timer Prescaler Register (MPTPR) values.
449 /* 4 * 7.8 us refresh (= 31.2 us per quad) at 50 MHz and PTA = 97 */
450 #define CFG_MPTPR_2BK_4K MPTPR_PTP_DIV16
451 /* 4 * 3.9 us refresh (= 15.6 us per quad) at 50 MHz and PTA = 97 */
452 #define CFG_MPTPR_2BK_8K MPTPR_PTP_DIV8
455 * MAMR settings for SDRAM
459 #define CFG_MAMR_8COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
460 MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \
461 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
463 #define CFG_MAMR_9COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
464 MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \
465 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
466 /* 10 column SDRAM */
467 #define CFG_MAMR_10COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
468 MAMR_AMA_TYPE_2 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A9 | \
469 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
472 * Internal Definitions
476 #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
477 #define BOOTFLAG_WARM 0x02 /* Software reboot */
479 #define CONFIG_SCC1_ENET
480 #define CONFIG_FEC_ENET
481 #define CONFIG_ETHPRIME "SCC ETHERNET"
483 #endif /* __CONFIG_H */