]> git.ipfire.org Git - people/ms/u-boot.git/blob - include/configs/TQM850M.h
Update for TQM board defaults:
[people/ms/u-boot.git] / include / configs / TQM850M.h
1 /*
2 * (C) Copyright 2000-2003
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 *
5 * See file CREDITS for list of people who contributed to this
6 * project.
7 *
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.
12 *
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.
17 *
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,
21 * MA 02111-1307 USA
22 */
23
24 /*
25 * board/config.h - configuration options, board specific
26 */
27
28 #ifndef __CONFIG_H
29 #define __CONFIG_H
30
31 /*
32 * High Level Configuration Options
33 * (easy to change)
34 */
35
36 #define CONFIG_MPC850 1 /* This is a MPC850 CPU */
37 #define CONFIG_TQM850M 1 /* ...on a TQM8xxM module */
38
39 #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
40 #undef CONFIG_8xx_CONS_SMC2
41 #undef CONFIG_8xx_CONS_NONE
42 #define CONFIG_BAUDRATE 115200 /* console baudrate = 115kbps */
43
44 #define CONFIG_BOOTCOUNT_LIMIT
45
46 #define CONFIG_BOARD_TYPES 1 /* support board types */
47
48 #define CONFIG_PREBOOT "echo;echo Type \"run flash_nfs\" to mount root filesystem over NFS;echo"
49
50 #undef CONFIG_BOOTARGS
51
52 #define CONFIG_EXTRA_ENV_SETTINGS \
53 "netdev=eth0\0" \
54 "nfsargs=setenv bootargs root=/dev/nfs rw " \
55 "nfsroot=$(serverip):$(rootpath)\0" \
56 "ramargs=setenv bootargs root=/dev/ram rw\0" \
57 "addip=setenv bootargs $(bootargs) " \
58 "ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask)" \
59 ":$(hostname):$(netdev):off panic=1\0" \
60 "flash_nfs=run nfsargs addip;" \
61 "bootm $(kernel_addr)\0" \
62 "flash_self=run ramargs addip;" \
63 "bootm $(kernel_addr) $(ramdisk_addr)\0" \
64 "net_nfs=tftp 200000 $(bootfile);run nfsargs addip;bootm\0" \
65 "rootpath=/opt/eldk/ppc_8xx\0" \
66 "bootfile=/tftpboot/TQM850M/uImage\0" \
67 "kernel_addr=40080000\0" \
68 "ramdisk_addr=40180000\0" \
69 ""
70 #define CONFIG_BOOTCOMMAND "run flash_self"
71
72 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
73 #undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */
74
75 #undef CONFIG_WATCHDOG /* watchdog disabled */
76
77 #define CONFIG_STATUS_LED 1 /* Status LED enabled */
78
79 #undef CONFIG_CAN_DRIVER /* CAN Driver support disabled */
80
81 #define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT | CONFIG_BOOTP_BOOTFILESIZE)
82
83 #define CONFIG_MAC_PARTITION
84 #define CONFIG_DOS_PARTITION
85
86 #define CONFIG_RTC_MPC8xx /* use internal RTC of MPC8xx */
87
88 #define CONFIG_COMMANDS ( CONFIG_CMD_DFL | \
89 CFG_CMD_ASKENV | \
90 CFG_CMD_DHCP | \
91 CFG_CMD_IDE | \
92 CFG_CMD_DATE )
93
94 /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
95 #include <cmd_confdefs.h>
96
97 /*
98 * Miscellaneous configurable options
99 */
100 #define CFG_LONGHELP /* undef to save memory */
101 #define CFG_PROMPT "=> " /* Monitor Command Prompt */
102
103 #if 0
104 #define CFG_HUSH_PARSER 1 /* use "hush" command parser */
105 #endif
106 #ifdef CFG_HUSH_PARSER
107 #define CFG_PROMPT_HUSH_PS2 "> "
108 #endif
109
110 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
111 #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
112 #else
113 #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
114 #endif
115 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
116 #define CFG_MAXARGS 16 /* max number of command args */
117 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
118
119 #define CFG_MEMTEST_START 0x0400000 /* memtest works on */
120 #define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
121
122 #define CFG_LOAD_ADDR 0x100000 /* default load address */
123
124 #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
125
126 #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
127
128 /*
129 * Low Level Configuration Settings
130 * (address mappings, register initial values, etc.)
131 * You should know what you are doing if you make changes here.
132 */
133 /*-----------------------------------------------------------------------
134 * Internal Memory Mapped Register
135 */
136 #define CFG_IMMR 0xFFF00000
137
138 /*-----------------------------------------------------------------------
139 * Definitions for initial stack pointer and data area (in DPRAM)
140 */
141 #define CFG_INIT_RAM_ADDR CFG_IMMR
142 #define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
143 #define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
144 #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
145 #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
146
147 /*-----------------------------------------------------------------------
148 * Start addresses for the final memory configuration
149 * (Set up by the startup code)
150 * Please note that CFG_SDRAM_BASE _must_ start at 0
151 */
152 #define CFG_SDRAM_BASE 0x00000000
153 #define CFG_FLASH_BASE 0x40000000
154 #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
155 #define CFG_MONITOR_BASE CFG_FLASH_BASE
156 #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
157
158 /*
159 * For booting Linux, the board info and command line data
160 * have to be in the first 8 MB of memory, since this is
161 * the maximum mapped by the Linux kernel during initialization.
162 */
163 #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
164
165 /*-----------------------------------------------------------------------
166 * FLASH organization
167 */
168 #define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
169 #define CFG_MAX_FLASH_SECT 256 /* max number of sectors on one chip */
170
171 #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
172 #define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
173
174 #define CFG_ENV_IS_IN_FLASH 1
175 #define CFG_ENV_OFFSET 0x40000 /* Offset of Environment Sector */
176 #define CFG_ENV_SIZE 0x08000 /* Total Size of Environment Sector */
177 #define CFG_ENV_SECT_SIZE 0x20000 /* Total Size of Environment Sector */
178
179 /* Address and size of Redundant Environment Sector */
180 #define CFG_ENV_OFFSET_REDUND (CFG_ENV_OFFSET+CFG_ENV_SECT_SIZE)
181 #define CFG_ENV_SIZE_REDUND (CFG_ENV_SIZE)
182
183 /*-----------------------------------------------------------------------
184 * Hardware Information Block
185 */
186 #define CFG_HWINFO_OFFSET 0x0003FFC0 /* offset of HW Info block */
187 #define CFG_HWINFO_SIZE 0x00000040 /* size of HW Info block */
188 #define CFG_HWINFO_MAGIC 0x54514D38 /* 'TQM8' */
189
190 /*-----------------------------------------------------------------------
191 * Cache Configuration
192 */
193 #define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
194 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
195 #define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */
196 #endif
197
198 /*-----------------------------------------------------------------------
199 * SYPCR - System Protection Control 11-9
200 * SYPCR can only be written once after reset!
201 *-----------------------------------------------------------------------
202 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
203 */
204 #if defined(CONFIG_WATCHDOG)
205 #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
206 SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
207 #else
208 #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
209 #endif
210
211 /*-----------------------------------------------------------------------
212 * SIUMCR - SIU Module Configuration 11-6
213 *-----------------------------------------------------------------------
214 * PCMCIA config., multi-function pin tri-state
215 */
216 #ifndef CONFIG_CAN_DRIVER
217 #define CFG_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
218 #else /* we must activate GPL5 in the SIUMCR for CAN */
219 #define CFG_SIUMCR (SIUMCR_DBGC11 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
220 #endif /* CONFIG_CAN_DRIVER */
221
222 /*-----------------------------------------------------------------------
223 * TBSCR - Time Base Status and Control 11-26
224 *-----------------------------------------------------------------------
225 * Clear Reference Interrupt Status, Timebase freezing enabled
226 */
227 #define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
228
229 /*-----------------------------------------------------------------------
230 * RTCSC - Real-Time Clock Status and Control Register 11-27
231 *-----------------------------------------------------------------------
232 */
233 #define CFG_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
234
235 /*-----------------------------------------------------------------------
236 * PISCR - Periodic Interrupt Status and Control 11-31
237 *-----------------------------------------------------------------------
238 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
239 */
240 #define CFG_PISCR (PISCR_PS | PISCR_PITF)
241
242 /*-----------------------------------------------------------------------
243 * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
244 *-----------------------------------------------------------------------
245 * Reset PLL lock status sticky bit, timer expired status bit and timer
246 * interrupt status bit
247 *
248 * If this is a 80 MHz CPU, set PLL multiplication factor to 5 (5*16=80)!
249 */
250 #ifdef CONFIG_80MHz /* for 80 MHz, we use a 16 MHz clock * 5 */
251 #define CFG_PLPRCR \
252 ( (5-1)<<PLPRCR_MF_SHIFT | PLPRCR_TEXPS | PLPRCR_TMIST )
253 #else /* up to 66 MHz we use a 1:1 clock */
254 #define CFG_PLPRCR (PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
255 #endif /* CONFIG_80MHz */
256
257 /*-----------------------------------------------------------------------
258 * SCCR - System Clock and reset Control Register 15-27
259 *-----------------------------------------------------------------------
260 * Set clock output, timebase and RTC source and divider,
261 * power management and some other internal clocks
262 */
263 #define SCCR_MASK SCCR_EBDF11
264 #ifdef CONFIG_80MHz /* for 80 MHz, we use a 16 MHz clock * 5 */
265 #define CFG_SCCR (/* SCCR_TBS | */ \
266 SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \
267 SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \
268 SCCR_DFALCD00)
269 #else /* up to 66 MHz we use a 1:1 clock */
270 #define CFG_SCCR (SCCR_TBS | \
271 SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \
272 SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \
273 SCCR_DFALCD00)
274 #endif /* CONFIG_80MHz */
275
276 /*-----------------------------------------------------------------------
277 * PCMCIA stuff
278 *-----------------------------------------------------------------------
279 *
280 */
281 #define CFG_PCMCIA_MEM_ADDR (0xE0000000)
282 #define CFG_PCMCIA_MEM_SIZE ( 64 << 20 )
283 #define CFG_PCMCIA_DMA_ADDR (0xE4000000)
284 #define CFG_PCMCIA_DMA_SIZE ( 64 << 20 )
285 #define CFG_PCMCIA_ATTRB_ADDR (0xE8000000)
286 #define CFG_PCMCIA_ATTRB_SIZE ( 64 << 20 )
287 #define CFG_PCMCIA_IO_ADDR (0xEC000000)
288 #define CFG_PCMCIA_IO_SIZE ( 64 << 20 )
289
290 /*-----------------------------------------------------------------------
291 * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter)
292 *-----------------------------------------------------------------------
293 */
294
295 #define CONFIG_IDE_8xx_PCCARD 1 /* Use IDE with PC Card Adapter */
296
297 #undef CONFIG_IDE_8xx_DIRECT /* Direct IDE not supported */
298 #undef CONFIG_IDE_LED /* LED for ide not supported */
299 #undef CONFIG_IDE_RESET /* reset for ide not supported */
300
301 #define CFG_IDE_MAXBUS 1 /* max. 1 IDE bus */
302 #define CFG_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */
303
304 #define CFG_ATA_IDE0_OFFSET 0x0000
305
306 #define CFG_ATA_BASE_ADDR CFG_PCMCIA_MEM_ADDR
307
308 /* Offset for data I/O */
309 #define CFG_ATA_DATA_OFFSET (CFG_PCMCIA_MEM_SIZE + 0x320)
310
311 /* Offset for normal register accesses */
312 #define CFG_ATA_REG_OFFSET (2 * CFG_PCMCIA_MEM_SIZE + 0x320)
313
314 /* Offset for alternate registers */
315 #define CFG_ATA_ALT_OFFSET 0x0100
316
317 /*-----------------------------------------------------------------------
318 *
319 *-----------------------------------------------------------------------
320 *
321 */
322 #define CFG_DER 0
323
324 /*
325 * Init Memory Controller:
326 *
327 * BR0/1 and OR0/1 (FLASH)
328 */
329
330 #define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */
331 #define FLASH_BASE1_PRELIM 0x60000000 /* FLASH bank #0 */
332
333 /* used to re-map FLASH both when starting from SRAM or FLASH:
334 * restrict access enough to keep SRAM working (if any)
335 * but not too much to meddle with FLASH accesses
336 */
337 #define CFG_REMAP_OR_AM 0x80000000 /* OR addr mask */
338 #define CFG_PRELIM_OR_AM 0xE0000000 /* OR addr mask */
339
340 /*
341 * FLASH timing:
342 */
343 #if defined(CONFIG_80MHz)
344 /* 80 MHz CPU - 40 MHz bus: ACS = 00, TRLX = 0, CSNT = 1, SCY = 3, EHTR = 1 */
345 #define CFG_OR_TIMING_FLASH (OR_ACS_DIV1 | 0 | OR_CSNT_SAM | \
346 OR_SCY_3_CLK | OR_EHTR | OR_BI)
347 #elif defined(CONFIG_66MHz)
348 /* 66 MHz CPU - 66 MHz bus: ACS = 00, TRLX = 1, CSNT = 1, SCY = 3, EHTR = 1 */
349 #define CFG_OR_TIMING_FLASH (OR_ACS_DIV1 | OR_TRLX | OR_CSNT_SAM | \
350 OR_SCY_3_CLK | OR_EHTR | OR_BI)
351 #else /* 50 MHz */
352 /* 50 MHz CPU - 50 MHz bus: ACS = 00, TRLX = 1, CSNT = 1, SCY = 2, EHTR = 1 */
353 #define CFG_OR_TIMING_FLASH (OR_ACS_DIV1 | OR_TRLX | OR_CSNT_SAM | \
354 OR_SCY_2_CLK | OR_EHTR | OR_BI)
355 #endif /*CONFIG_??MHz */
356
357 #define CFG_OR0_REMAP (CFG_REMAP_OR_AM | CFG_OR_TIMING_FLASH)
358 #define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH)
359 #define CFG_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V )
360
361 #define CFG_OR1_REMAP CFG_OR0_REMAP
362 #define CFG_OR1_PRELIM CFG_OR0_PRELIM
363 #define CFG_BR1_PRELIM ((FLASH_BASE1_PRELIM & BR_BA_MSK) | BR_V )
364
365 /*
366 * BR2/3 and OR2/3 (SDRAM)
367 *
368 */
369 #define SDRAM_BASE2_PRELIM 0x00000000 /* SDRAM bank #0 */
370 #define SDRAM_BASE3_PRELIM 0x20000000 /* SDRAM bank #1 */
371 #define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB per bank */
372
373 /* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */
374 #define CFG_OR_TIMING_SDRAM 0x00000A00
375
376 #define CFG_OR2_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_SDRAM )
377 #define CFG_BR2_PRELIM ((SDRAM_BASE2_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
378
379 #ifndef CONFIG_CAN_DRIVER
380 #define CFG_OR3_PRELIM CFG_OR2_PRELIM
381 #define CFG_BR3_PRELIM ((SDRAM_BASE3_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
382 #else /* CAN uses CS3#, so we can have only one SDRAM bank anyway */
383 #define CFG_CAN_BASE 0xC0000000 /* CAN mapped at 0xC0000000 */
384 #define CFG_CAN_OR_AM 0xFFFF8000 /* 32 kB address mask */
385 #define CFG_OR3_CAN (CFG_CAN_OR_AM | OR_G5LA | OR_BI)
386 #define CFG_BR3_CAN ((CFG_CAN_BASE & BR_BA_MSK) | \
387 BR_PS_8 | BR_MS_UPMB | BR_V )
388 #endif /* CONFIG_CAN_DRIVER */
389
390 /*
391 * Memory Periodic Timer Prescaler
392 *
393 * The Divider for PTA (refresh timer) configuration is based on an
394 * example SDRAM configuration (64 MBit, one bank). The adjustment to
395 * the number of chip selects (NCS) and the actually needed refresh
396 * rate is done by setting MPTPR.
397 *
398 * PTA is calculated from
399 * PTA = (gclk * Trefresh) / ((2 ^ (2 * DFBRG)) * PTP * NCS)
400 *
401 * gclk CPU clock (not bus clock!)
402 * Trefresh Refresh cycle * 4 (four word bursts used)
403 *
404 * 4096 Rows from SDRAM example configuration
405 * 1000 factor s -> ms
406 * 32 PTP (pre-divider from MPTPR) from SDRAM example configuration
407 * 4 Number of refresh cycles per period
408 * 64 Refresh cycle in ms per number of rows
409 * --------------------------------------------
410 * Divider = 4096 * 32 * 1000 / (4 * 64) = 512000
411 *
412 * 50 MHz => 50.000.000 / Divider = 98
413 * 66 Mhz => 66.000.000 / Divider = 129
414 * 80 Mhz => 80.000.000 / Divider = 156
415 */
416 #if defined(CONFIG_80MHz)
417 #define CFG_MAMR_PTA 156
418 #elif defined(CONFIG_66MHz)
419 #define CFG_MAMR_PTA 129
420 #else /* 50 MHz */
421 #define CFG_MAMR_PTA 98
422 #endif /*CONFIG_??MHz */
423
424 /*
425 * For 16 MBit, refresh rates could be 31.3 us
426 * (= 64 ms / 2K = 125 / quad bursts).
427 * For a simpler initialization, 15.6 us is used instead.
428 *
429 * #define CFG_MPTPR_2BK_2K MPTPR_PTP_DIV32 for 2 banks
430 * #define CFG_MPTPR_1BK_2K MPTPR_PTP_DIV64 for 1 bank
431 */
432 #define CFG_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */
433 #define CFG_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */
434
435 /* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */
436 #define CFG_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */
437 #define CFG_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */
438
439 /*
440 * MAMR settings for SDRAM
441 */
442
443 /* 8 column SDRAM */
444 #define CFG_MAMR_8COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
445 MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \
446 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
447 /* 9 column SDRAM */
448 #define CFG_MAMR_9COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
449 MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \
450 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
451
452
453 /*
454 * Internal Definitions
455 *
456 * Boot Flags
457 */
458 #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
459 #define BOOTFLAG_WARM 0x02 /* Software reboot */
460
461 #endif /* __CONFIG_H */