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 /* use CFI flash driver */
236 #define CFG_FLASH_CFI 1 /* Flash is CFI conformant */
237 #define CFG_FLASH_CFI_DRIVER 1 /* Use the common driver */
238 #define CFG_FLASH_BANKS_LIST { CFG_FLASH_BASE }
239 #define CFG_FLASH_EMPTY_INFO
240 #define CFG_FLASH_USE_BUFFER_WRITE 1
241 #define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
242 #define CFG_MAX_FLASH_SECT 256 /* max number of sectors on one chip */
244 #define CFG_ENV_IS_IN_FLASH 1
245 #define CFG_ENV_OFFSET 0x40000 /* Offset of Environment Sector */
246 #define CFG_ENV_SIZE 0x08000 /* Total Size of Environment Sector */
247 #define CFG_ENV_SECT_SIZE 0x40000 /* Total Size of Environment Sector */
249 /* Address and size of Redundant Environment Sector */
250 #define CFG_ENV_OFFSET_REDUND (CFG_ENV_OFFSET+CFG_ENV_SECT_SIZE)
251 #define CFG_ENV_SIZE_REDUND (CFG_ENV_SIZE)
253 #define CFG_USE_PPCENV /* Environment embedded in sect .ppcenv */
255 /*-----------------------------------------------------------------------
256 * Hardware Information Block
258 #define CFG_HWINFO_OFFSET 0x0003FFC0 /* offset of HW Info block */
259 #define CFG_HWINFO_SIZE 0x00000040 /* size of HW Info block */
260 #define CFG_HWINFO_MAGIC 0x54514D38 /* 'TQM8' */
262 /*-----------------------------------------------------------------------
263 * Cache Configuration
265 #define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
266 #if defined(CONFIG_CMD_KGDB)
267 #define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */
270 /*-----------------------------------------------------------------------
271 * SYPCR - System Protection Control 11-9
272 * SYPCR can only be written once after reset!
273 *-----------------------------------------------------------------------
274 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
276 #if defined(CONFIG_WATCHDOG)
277 #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
278 SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
280 #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
283 /*-----------------------------------------------------------------------
284 * SIUMCR - SIU Module Configuration 11-6
285 *-----------------------------------------------------------------------
286 * PCMCIA config., multi-function pin tri-state
288 #ifndef CONFIG_CAN_DRIVER
289 #define CFG_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
290 #else /* we must activate GPL5 in the SIUMCR for CAN */
291 #define CFG_SIUMCR (SIUMCR_DBGC11 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
292 #endif /* CONFIG_CAN_DRIVER */
294 /*-----------------------------------------------------------------------
295 * TBSCR - Time Base Status and Control 11-26
296 *-----------------------------------------------------------------------
297 * Clear Reference Interrupt Status, Timebase freezing enabled
299 #define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
301 /*-----------------------------------------------------------------------
302 * PISCR - Periodic Interrupt Status and Control 11-31
303 *-----------------------------------------------------------------------
304 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
306 #define CFG_PISCR (PISCR_PS | PISCR_PITF)
308 /*-----------------------------------------------------------------------
309 * SCCR - System Clock and reset Control Register 15-27
310 *-----------------------------------------------------------------------
311 * Set clock output, timebase and RTC source and divider,
312 * power management and some other internal clocks
314 #define SCCR_MASK SCCR_EBDF11
315 #define CFG_SCCR (SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \
316 SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \
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 0xE0000000 /* OR addr mask */
384 * FLASH timing: Default value of OR0 after reset
386 #define CFG_OR_TIMING_FLASH (OR_CSNT_SAM | OR_ACS_MSK | OR_BI | \
387 OR_SCY_15_CLK | OR_TRLX)
389 #define CFG_OR0_REMAP (CFG_REMAP_OR_AM | CFG_OR_TIMING_FLASH)
390 #define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH)
391 #define CFG_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V )
393 #define CFG_OR1_REMAP CFG_OR0_REMAP
394 #define CFG_OR1_PRELIM CFG_OR0_PRELIM
395 #define CFG_BR1_PRELIM ((FLASH_BASE1_PRELIM & BR_BA_MSK) | BR_V )
398 * BR2/3 and OR2/3 (SDRAM)
401 #define SDRAM_BASE2_PRELIM 0x00000000 /* SDRAM bank #0 */
402 #define SDRAM_BASE3_PRELIM 0x20000000 /* SDRAM bank #1 */
403 #define SDRAM_MAX_SIZE (256 << 20) /* max 256 MB per bank */
405 /* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */
406 #define CFG_OR_TIMING_SDRAM 0x00000A00
408 #define CFG_OR2_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_SDRAM )
409 #define CFG_BR2_PRELIM ((SDRAM_BASE2_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
411 #ifndef CONFIG_CAN_DRIVER
412 #define CFG_OR3_PRELIM CFG_OR2_PRELIM
413 #define CFG_BR3_PRELIM ((SDRAM_BASE3_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
414 #else /* CAN uses CS3#, so we can have only one SDRAM bank anyway */
415 #define CFG_CAN_BASE 0xC0000000 /* CAN mapped at 0xC0000000 */
416 #define CFG_CAN_OR_AM 0xFFFF8000 /* 32 kB address mask */
417 #define CFG_OR3_CAN (CFG_CAN_OR_AM | OR_G5LA | OR_BI)
418 #define CFG_BR3_CAN ((CFG_CAN_BASE & BR_BA_MSK) | \
419 BR_PS_8 | BR_MS_UPMB | BR_V )
420 #endif /* CONFIG_CAN_DRIVER */
423 * 4096 Rows from SDRAM example configuration
424 * 1000 factor s -> ms
425 * 64 PTP (pre-divider from MPTPR) from SDRAM example configuration
426 * 4 Number of refresh cycles per period
427 * 64 Refresh cycle in ms per number of rows
429 #define CFG_PTA_PER_CLK ((4096 * 64 * 1000) / (4 * 64))
432 * Periodic timer (MAMR[PTx]) for 4 * 7.8 us refresh (= 31.2 us per quad)
434 * CPUclock(MHz) * 31.2
435 * CFG_MAMR_PTA = ----------------------------------- with DFBRG = 0
436 * 2^(2*SCCR[DFBRG]) * MPTPR_PTP_DIV16
438 * CPU clock = 15 MHz: CFG_MAMR_PTA = 29 -> 4 * 7.73 us
439 * CPU clock = 50 MHz: CFG_MAMR_PTA = 97 -> 4 * 7.76 us
440 * CPU clock = 66 MHz: CFG_MAMR_PTA = 128 -> 4 * 7.75 us
441 * CPU clock = 133 MHz: CFG_MAMR_PTA = 255 -> 4 * 7.67 us
443 * Value 97 is for 4 * 7.8 us at 50 MHz. So the refresh cycle requirement will
444 * be met also in the default configuration, i.e. if environment variable
445 * 'cpuclk' is not set.
447 #define CFG_MAMR_PTA 97
450 * Memory Periodic Timer Prescaler Register (MPTPR) values.
452 /* 4 * 7.8 us refresh (= 31.2 us per quad) at 50 MHz and PTA = 97 */
453 #define CFG_MPTPR_2BK_4K MPTPR_PTP_DIV16
454 /* 4 * 3.9 us refresh (= 15.6 us per quad) at 50 MHz and PTA = 97 */
455 #define CFG_MPTPR_2BK_8K MPTPR_PTP_DIV8
458 * MAMR settings for SDRAM
462 #define CFG_MAMR_8COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
463 MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \
464 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
466 #define CFG_MAMR_9COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
467 MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \
468 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
469 /* 10 column SDRAM */
470 #define CFG_MAMR_10COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
471 MAMR_AMA_TYPE_2 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A9 | \
472 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
475 * Internal Definitions
479 #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
480 #define BOOTFLAG_WARM 0x02 /* Software reboot */
482 #define CONFIG_SCC1_ENET
483 #define CONFIG_FEC_ENET
484 #define CONFIG_ETHPRIME "SCC ETHERNET"
486 #endif /* __CONFIG_H */