2 * (C) Copyright 2000-2005
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
6 * Martin Krause, TQ-Systems GmBH, martin.krause@tqs.de
8 * See file CREDITS for list of people who contributed to this
11 * This program is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License as
13 * published by the Free Software Foundation; either version 2 of
14 * the License, or (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
28 * board/config.h - configuration options, board specific
35 * High Level Configuration Options
39 #define CONFIG_MPC885 1 /* This is a MPC885 CPU */
40 #define CONFIG_TQM885D 1 /* ...on a TQM88D module */
41 #define CONFIG_TK885D 1 /* ...in a TK885D base board */
43 #define CONFIG_8xx_OSCLK 10000000 /* 10 MHz - PLL input clock */
44 #define CFG_8xx_CPUCLK_MIN 15000000 /* 15 MHz - CPU minimum clock */
45 #define CFG_8xx_CPUCLK_MAX 133000000 /* 133 MHz - CPU maximum clock */
46 #define CONFIG_8xx_CPUCLK_DEFAULT 66000000 /* 66 MHz - CPU default clock */
47 /* (it will be used if there is no */
48 /* 'cpuclk' variable with valid value) */
50 #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
52 #define CONFIG_BAUDRATE 115200 /* console baudrate = 115kbps */
54 #define CONFIG_BOOTCOUNT_LIMIT
56 #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
58 #define CONFIG_BOARD_TYPES 1 /* support board types */
60 #define CONFIG_PREBOOT "echo;" \
61 "echo Type \\\"run flash_nfs\\\" to mount root filesystem over NFS;" \
64 #undef CONFIG_BOOTARGS
66 #define CONFIG_EXTRA_ENV_SETTINGS \
67 "ethprime=FEC ETHERNET\0" \
68 "ethact=FEC ETHERNET\0" \
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 "flash_nfs=run nfsargs addip;" \
77 "bootm ${kernel_addr}\0" \
78 "flash_self=run ramargs addip;" \
79 "bootm ${kernel_addr} ${ramdisk_addr}\0" \
80 "net_nfs=tftp 200000 ${bootfile};run nfsargs addip;bootm\0" \
81 "rootpath=/opt/eldk/ppc_8xx\0" \
82 "bootfile=/tftpboot/tk885d/uImage\0" \
83 "u-boot=/tftpboot/tk885d/u-boot.bin\0" \
84 "kernel_addr=40080000\0" \
85 "ramdisk_addr=40180000\0" \
86 "load=tftp 200000 ${u-boot}\0" \
87 "update=protect off 40000000 +${filesize};" \
88 "erase 40000000 +${filesize};" \
89 "cp.b 200000 40000000 ${filesize};" \
90 "protect on 40000000 +${filesize}\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 #define CONFIG_STATUS_LED 1 /* Status LED enabled */
101 #undef CONFIG_CAN_DRIVER /* CAN Driver support disabled */
103 /* enable I2C and select the hardware/software driver */
104 #undef CONFIG_HARD_I2C /* I2C with hardware support */
105 #define CONFIG_SOFT_I2C 1 /* I2C bit-banged */
107 #define CFG_I2C_SPEED 93000 /* 93 kHz is supposed to work */
108 #define CFG_I2C_SLAVE 0xFE
110 #ifdef CONFIG_SOFT_I2C
112 * Software (bit-bang) I2C driver configuration
114 #define PB_SCL 0x00000020 /* PB 26 */
115 #define PB_SDA 0x00000010 /* PB 27 */
117 #define I2C_INIT (immr->im_cpm.cp_pbdir |= PB_SCL)
118 #define I2C_ACTIVE (immr->im_cpm.cp_pbdir |= PB_SDA)
119 #define I2C_TRISTATE (immr->im_cpm.cp_pbdir &= ~PB_SDA)
120 #define I2C_READ ((immr->im_cpm.cp_pbdat & PB_SDA) != 0)
121 #define I2C_SDA(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SDA; \
122 else immr->im_cpm.cp_pbdat &= ~PB_SDA
123 #define I2C_SCL(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SCL; \
124 else immr->im_cpm.cp_pbdat &= ~PB_SCL
125 #define I2C_DELAY udelay(2) /* 1/4 I2C clock duration */
126 #endif /* CONFIG_SOFT_I2C */
128 #define CFG_I2C_EEPROM_ADDR 0x50 /* EEPROM AT24C?? */
129 #define CFG_I2C_EEPROM_ADDR_LEN 2 /* two byte address */
130 #define CFG_EEPROM_PAGE_WRITE_BITS 4
131 #define CFG_EEPROM_PAGE_WRITE_DELAY_MS 10 /* and takes up to 10 msec */
133 # define CONFIG_RTC_DS1337 1
134 # define CFG_I2C_RTC_ADDR 0x68
139 #define CONFIG_BOOTP_SUBNETMASK
140 #define CONFIG_BOOTP_GATEWAY
141 #define CONFIG_BOOTP_HOSTNAME
142 #define CONFIG_BOOTP_BOOTPATH
143 #define CONFIG_BOOTP_BOOTFILESIZE
146 #define CONFIG_MAC_PARTITION
147 #define CONFIG_DOS_PARTITION
149 #undef CONFIG_RTC_MPC8xx /* MPC885 does not support RTC */
151 #define CONFIG_TIMESTAMP /* but print image timestmps */
155 * Command line configuration.
157 #include <config_cmd_default.h>
159 #define CONFIG_CMD_ASKENV
160 #define CONFIG_CMD_DATE
161 #define CONFIG_CMD_DHCP
162 #define CONFIG_CMD_EEPROM
163 #define CONFIG_CMD_I2C
164 #define CONFIG_CMD_IDE
165 #define CONFIG_CMD_MII
166 #define CONFIG_CMD_NFS
167 #define CONFIG_CMD_PING
171 * Miscellaneous configurable options
173 #define CFG_LONGHELP /* undef to save memory */
174 #define CFG_PROMPT "=> " /* Monitor Command Prompt */
176 #define CONFIG_CMDLINE_EDITING 1 /* add command line history */
177 #define CFG_HUSH_PARSER 1 /* Use the HUSH parser */
178 #ifdef CFG_HUSH_PARSER
179 #define CFG_PROMPT_HUSH_PS2 "> "
182 #if defined(CONFIG_CMD_KGDB)
183 #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
185 #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
187 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
188 #define CFG_MAXARGS 16 /* max number of command args */
189 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
191 #define CFG_MEMTEST_START 0x0100000 /* memtest works on */
192 #define CFG_MEMTEST_END 0x0300000 /* 1 ... 3 MB in DRAM */
193 #define CFG_ALT_MEMTEST /* alternate, more extensive
196 #define CFG_LOAD_ADDR 0x100000 /* default load address */
198 #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
200 #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
203 * Enable loopw command.
208 * Low Level Configuration Settings
209 * (address mappings, register initial values, etc.)
210 * You should know what you are doing if you make changes here.
212 /*-----------------------------------------------------------------------
213 * Internal Memory Mapped Register
215 #define CFG_IMMR 0xFFF00000
217 /*-----------------------------------------------------------------------
218 * Definitions for initial stack pointer and data area (in DPRAM)
220 #define CFG_INIT_RAM_ADDR CFG_IMMR
221 #define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
222 #define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
223 #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
224 #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
226 /*-----------------------------------------------------------------------
227 * Start addresses for the final memory configuration
228 * (Set up by the startup code)
229 * Please note that CFG_SDRAM_BASE _must_ start at 0
231 #define CFG_SDRAM_BASE 0x00000000
232 #define CFG_FLASH_BASE 0x40000000
233 #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
234 #define CFG_MONITOR_BASE CFG_FLASH_BASE
235 #define CFG_MALLOC_LEN (256 << 10) /* Reserve 128 kB for malloc() */
238 * For booting Linux, the board info and command line data
239 * have to be in the first 8 MB of memory, since this is
240 * the maximum mapped by the Linux kernel during initialization.
242 #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
244 /*-----------------------------------------------------------------------
248 /* use CFI flash driver */
249 #define CFG_FLASH_CFI 1 /* Flash is CFI conformant */
250 #define CFG_FLASH_CFI_DRIVER 1 /* Use the common driver */
251 #define CFG_FLASH_BANKS_LIST { CFG_FLASH_BASE }
252 #define CFG_FLASH_EMPTY_INFO
253 #define CFG_FLASH_USE_BUFFER_WRITE 1
254 #define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
255 #define CFG_MAX_FLASH_SECT 256 /* max number of sectors on one chip */
257 #define CFG_ENV_IS_IN_FLASH 1
258 #define CFG_ENV_OFFSET 0x40000 /* Offset of Environment Sector */
259 #define CFG_ENV_SIZE 0x08000 /* Total Size of Environment */
260 #define CFG_ENV_SECT_SIZE 0x40000 /* Total Size of Environment Sector */
262 /* Address and size of Redundant Environment Sector */
263 #define CFG_ENV_OFFSET_REDUND (CFG_ENV_OFFSET+CFG_ENV_SECT_SIZE)
264 #define CFG_ENV_SIZE_REDUND (CFG_ENV_SIZE)
266 /*-----------------------------------------------------------------------
267 * Hardware Information Block
269 #define CFG_HWINFO_OFFSET 0x0003FFC0 /* offset of HW Info block */
270 #define CFG_HWINFO_SIZE 0x00000040 /* size of HW Info block */
271 #define CFG_HWINFO_MAGIC 0x54514D38 /* 'TQM8' */
273 /*-----------------------------------------------------------------------
274 * Cache Configuration
276 #define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
277 #if defined(CONFIG_CMD_KGDB)
278 #define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */
281 /*-----------------------------------------------------------------------
282 * SYPCR - System Protection Control 11-9
283 * SYPCR can only be written once after reset!
284 *-----------------------------------------------------------------------
285 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
287 #if defined(CONFIG_WATCHDOG)
288 #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
289 SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
291 #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
294 /*-----------------------------------------------------------------------
295 * SIUMCR - SIU Module Configuration 11-6
296 *-----------------------------------------------------------------------
297 * PCMCIA config., multi-function pin tri-state
299 #ifndef CONFIG_CAN_DRIVER
300 #define CFG_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
301 #else /* we must activate GPL5 in the SIUMCR for CAN */
302 #define CFG_SIUMCR (SIUMCR_DBGC11 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
303 #endif /* CONFIG_CAN_DRIVER */
305 /*-----------------------------------------------------------------------
306 * TBSCR - Time Base Status and Control 11-26
307 *-----------------------------------------------------------------------
308 * Clear Reference Interrupt Status, Timebase freezing enabled
310 #define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
312 /*-----------------------------------------------------------------------
313 * PISCR - Periodic Interrupt Status and Control 11-31
314 *-----------------------------------------------------------------------
315 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
317 #define CFG_PISCR (PISCR_PS | PISCR_PITF)
319 /*-----------------------------------------------------------------------
320 * SCCR - System Clock and reset Control Register 15-27
321 *-----------------------------------------------------------------------
322 * Set clock output, timebase and RTC source and divider,
323 * power management and some other internal clocks
325 #define SCCR_MASK SCCR_EBDF11
326 #define CFG_SCCR (SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \
327 SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \
330 /*-----------------------------------------------------------------------
332 *-----------------------------------------------------------------------
335 #define CFG_PCMCIA_MEM_ADDR (0xE0000000)
336 #define CFG_PCMCIA_MEM_SIZE ( 64 << 20 )
337 #define CFG_PCMCIA_DMA_ADDR (0xE4000000)
338 #define CFG_PCMCIA_DMA_SIZE ( 64 << 20 )
339 #define CFG_PCMCIA_ATTRB_ADDR (0xE8000000)
340 #define CFG_PCMCIA_ATTRB_SIZE ( 64 << 20 )
341 #define CFG_PCMCIA_IO_ADDR (0xEC000000)
342 #define CFG_PCMCIA_IO_SIZE ( 64 << 20 )
344 /*-----------------------------------------------------------------------
345 * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter)
346 *-----------------------------------------------------------------------
349 #define CONFIG_IDE_8xx_PCCARD 1 /* Use IDE with PC Card Adapter */
351 #undef CONFIG_IDE_8xx_DIRECT /* Direct IDE not supported */
352 #undef CONFIG_IDE_LED /* LED for ide not supported */
353 #undef CONFIG_IDE_RESET /* reset for ide not supported */
355 #define CFG_IDE_MAXBUS 1 /* max. 1 IDE bus */
356 #define CFG_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */
358 #define CFG_ATA_IDE0_OFFSET 0x0000
360 #define CFG_ATA_BASE_ADDR CFG_PCMCIA_MEM_ADDR
362 /* Offset for data I/O */
363 #define CFG_ATA_DATA_OFFSET (CFG_PCMCIA_MEM_SIZE + 0x320)
365 /* Offset for normal register accesses */
366 #define CFG_ATA_REG_OFFSET (2 * CFG_PCMCIA_MEM_SIZE + 0x320)
368 /* Offset for alternate registers */
369 #define CFG_ATA_ALT_OFFSET 0x0100
371 /*-----------------------------------------------------------------------
373 *-----------------------------------------------------------------------
379 * Init Memory Controller:
381 * BR0/1 and OR0/1 (FLASH)
384 #define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */
385 #define FLASH_BASE1_PRELIM 0x60000000 /* FLASH bank #0 */
387 /* used to re-map FLASH both when starting from SRAM or FLASH:
388 * restrict access enough to keep SRAM working (if any)
389 * but not too much to meddle with FLASH accesses
391 #define CFG_REMAP_OR_AM 0x80000000 /* OR addr mask */
392 #define CFG_PRELIM_OR_AM 0xE0000000 /* OR addr mask */
395 * FLASH timing: Default value of OR0 after reset
397 #define CFG_OR_TIMING_FLASH (OR_CSNT_SAM | OR_ACS_MSK | OR_BI | \
398 OR_SCY_6_CLK | OR_TRLX)
400 #define CFG_OR0_REMAP (CFG_REMAP_OR_AM | CFG_OR_TIMING_FLASH)
401 #define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH)
402 #define CFG_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V )
404 #define CFG_OR1_REMAP CFG_OR0_REMAP
405 #define CFG_OR1_PRELIM CFG_OR0_PRELIM
406 #define CFG_BR1_PRELIM ((FLASH_BASE1_PRELIM & BR_BA_MSK) | BR_V )
409 * BR2/3 and OR2/3 (SDRAM)
412 #define SDRAM_BASE2_PRELIM 0x00000000 /* SDRAM bank #0 */
413 #define SDRAM_BASE3_PRELIM 0x20000000 /* SDRAM bank #1 */
414 #define SDRAM_MAX_SIZE (256 << 20) /* max 256 MB per bank */
416 /* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */
417 #define CFG_OR_TIMING_SDRAM 0x00000A00
419 #define CFG_OR2_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_SDRAM )
420 #define CFG_BR2_PRELIM ((SDRAM_BASE2_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
422 #ifndef CONFIG_CAN_DRIVER
423 #define CFG_OR3_PRELIM CFG_OR2_PRELIM
424 #define CFG_BR3_PRELIM ((SDRAM_BASE3_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
425 #else /* CAN uses CS3#, so we can have only one SDRAM bank anyway */
426 #define CFG_CAN_BASE 0xC0000000 /* CAN mapped at 0xC0000000 */
427 #define CFG_CAN_OR_AM 0xFFFF8000 /* 32 kB address mask */
428 #define CFG_OR3_CAN (CFG_CAN_OR_AM | OR_G5LA | OR_BI)
429 #define CFG_BR3_CAN ((CFG_CAN_BASE & BR_BA_MSK) | \
430 BR_PS_8 | BR_MS_UPMB | BR_V )
431 #endif /* CONFIG_CAN_DRIVER */
434 * 4096 Rows from SDRAM example configuration
435 * 1000 factor s -> ms
436 * 64 PTP (pre-divider from MPTPR) from SDRAM example configuration
437 * 4 Number of refresh cycles per period
438 * 64 Refresh cycle in ms per number of rows
440 #define CFG_PTA_PER_CLK ((4096 * 64 * 1000) / (4 * 64))
443 * Periodic timer (MAMR[PTx]) for 4 * 7.8 us refresh (= 31.2 us per quad)
445 * CPUclock(MHz) * 31.2
446 * CFG_MAMR_PTA = ----------------------------------- with DFBRG = 0
447 * 2^(2*SCCR[DFBRG]) * MPTPR_PTP_DIV16
449 * CPU clock = 15 MHz: CFG_MAMR_PTA = 29 -> 4 * 7.73 us
450 * CPU clock = 50 MHz: CFG_MAMR_PTA = 97 -> 4 * 7.76 us
451 * CPU clock = 66 MHz: CFG_MAMR_PTA = 128 -> 4 * 7.75 us
452 * CPU clock = 133 MHz: CFG_MAMR_PTA = 255 -> 4 * 7.67 us
454 * Value 97 is for 4 * 7.8 us at 50 MHz. So the refresh cycle requirement will
455 * be met also in the default configuration, i.e. if environment variable
456 * 'cpuclk' is not set.
458 #define CFG_MAMR_PTA 128
461 * Memory Periodic Timer Prescaler Register (MPTPR) values.
463 /* 4 * 7.8 us refresh (= 31.2 us per quad) at 50 MHz and PTA = 97 */
464 #define CFG_MPTPR_2BK_4K MPTPR_PTP_DIV16
465 /* 4 * 3.9 us refresh (= 15.6 us per quad) at 50 MHz and PTA = 97 */
466 #define CFG_MPTPR_2BK_8K MPTPR_PTP_DIV8
469 * MAMR settings for SDRAM
473 #define CFG_MAMR_8COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
474 MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \
475 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
477 #define CFG_MAMR_9COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
478 MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \
479 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
480 /* 10 column SDRAM */
481 #define CFG_MAMR_10COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
482 MAMR_AMA_TYPE_2 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A9 | \
483 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
486 * Internal Definitions
490 #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
491 #define BOOTFLAG_WARM 0x02 /* Software reboot */
494 * Network configuration
496 #define CONFIG_FEC_ENET /* enable ethernet on FEC */
497 #define CONFIG_ETHER_ON_FEC1 /* ... for FEC1 */
498 #define CONFIG_ETHER_ON_FEC2 /* ... for FEC2 */
500 #define CONFIG_LAST_STAGE_INIT 1 /* Have to configure PHYs for Linux */
502 /* CFG_DISCOVER_PHY only works with FEC if only one interface is enabled */
503 #if (!defined(CONFIG_ETHER_ON_FEC1) || !defined(CONFIG_ETHER_ON_FEC2))
504 #define CFG_DISCOVER_PHY
507 #ifndef CFG_DISCOVER_PHY
508 /* PHY addresses - hard wired in hardware */
509 #define CONFIG_FEC1_PHY 1
510 #define CONFIG_FEC2_PHY 2
513 #define CONFIG_MII_INIT 1
515 #define CONFIG_NET_RETRY_COUNT 3
516 #define CONFIG_ETHPRIME "FEC ETHERNET"
518 #endif /* __CONFIG_H */