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1 /*
2 * (C) Copyright 2000, 2001, 2002
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_MPC823 1 /* This is a MPC823 CPU */
37 #define CONFIG_TQM823L 1 /* ...on a TQM8xxL module */
38
39 #ifdef CONFIG_LCD /* with LCD controller ? */
40 /* #define CONFIG_NEC_NL6648BC20 1 / * use NEC NL6648BC20 display */
41 #endif
42
43 #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
44 #undef CONFIG_8xx_CONS_SMC2
45 #undef CONFIG_8xx_CONS_NONE
46 #define CONFIG_BAUDRATE 115200 /* console baudrate = 115kbps */
47 #if 0
48 #define CONFIG_BOOTDELAY -1 /* autoboot disabled */
49 #else
50 #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
51 #endif
52
53 #define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */
54
55 #define CONFIG_BOARD_TYPES 1 /* support board types */
56
57 #define CONFIG_PREBOOT "echo;echo Type \"run flash_nfs\" to mount root filesystem over NFS;echo"
58
59 #undef CONFIG_BOOTARGS
60
61 #define CONFIG_EXTRA_ENV_SETTINGS \
62 "nfsargs=setenv bootargs root=/dev/nfs rw " \
63 "nfsroot=$(serverip):$(rootpath)\0" \
64 "ramargs=setenv bootargs root=/dev/ram rw\0" \
65 "addip=setenv bootargs $(bootargs) " \
66 "ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask)" \
67 ":$(hostname):$(netdev):off panic=1\0" \
68 "flash_nfs=run nfsargs addip;" \
69 "bootm $(kernel_addr)\0" \
70 "flash_self=run ramargs addip;" \
71 "bootm $(kernel_addr) $(ramdisk_addr)\0" \
72 "net_nfs=tftp 200000 $(bootfile);run nfsargs addip;bootm\0" \
73 "rootpath=/opt/eldk/ppc_8xx\0" \
74 "bootfile=/tftpboot/TQM860L/pImage\0" \
75 "kernel_addr=40040000\0" \
76 "ramdisk_addr=40100000\0" \
77 ""
78 #define CONFIG_BOOTCOMMAND "run flash_self"
79
80 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
81 #undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */
82
83 #undef CONFIG_WATCHDOG /* watchdog disabled */
84
85 #ifdef CONFIG_LCD
86 # undef CONFIG_STATUS_LED /* disturbs display */
87 #else
88 # define CONFIG_STATUS_LED 1 /* Status LED enabled */
89 #endif /* CONFIG_LCD */
90
91 #undef CONFIG_CAN_DRIVER /* CAN Driver support disabled */
92
93 #define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT | CONFIG_BOOTP_BOOTFILESIZE)
94
95 #define CONFIG_MAC_PARTITION
96 #define CONFIG_DOS_PARTITION
97
98 #define CONFIG_RTC_MPC8xx /* use internal RTC of MPC8xx */
99
100 #define CONFIG_COMMANDS ( CONFIG_CMD_DFL | \
101 CFG_CMD_ASKENV | \
102 CFG_CMD_DHCP | \
103 CFG_CMD_IDE | \
104 CFG_CMD_DATE )
105
106 /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
107 #include <cmd_confdefs.h>
108
109 /*
110 * Miscellaneous configurable options
111 */
112 #define CFG_LONGHELP /* undef to save memory */
113 #define CFG_PROMPT "=> " /* Monitor Command Prompt */
114
115 #if 0
116 #define CFG_HUSH_PARSER 1 /* use "hush" command parser */
117 #endif
118 #ifdef CFG_HUSH_PARSER
119 #define CFG_PROMPT_HUSH_PS2 "> "
120 #endif
121
122 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
123 #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
124 #else
125 #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
126 #endif
127 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
128 #define CFG_MAXARGS 16 /* max number of command args */
129 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
130
131 #define CFG_MEMTEST_START 0x0400000 /* memtest works on */
132 #define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
133
134 #define CFG_LOAD_ADDR 0x100000 /* default load address */
135
136 #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
137
138 #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
139
140 /*
141 * Low Level Configuration Settings
142 * (address mappings, register initial values, etc.)
143 * You should know what you are doing if you make changes here.
144 */
145 /*-----------------------------------------------------------------------
146 * Internal Memory Mapped Register
147 */
148 #define CFG_IMMR 0xFFF00000
149
150 /*-----------------------------------------------------------------------
151 * Definitions for initial stack pointer and data area (in DPRAM)
152 */
153 #define CFG_INIT_RAM_ADDR CFG_IMMR
154 #define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
155 #define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
156 #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
157 #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
158
159 /*-----------------------------------------------------------------------
160 * Start addresses for the final memory configuration
161 * (Set up by the startup code)
162 * Please note that CFG_SDRAM_BASE _must_ start at 0
163 */
164 #define CFG_SDRAM_BASE 0x00000000
165 #define CFG_FLASH_BASE 0x40000000
166 #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
167 #define CFG_MONITOR_BASE CFG_FLASH_BASE
168 #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
169
170 /*
171 * For booting Linux, the board info and command line data
172 * have to be in the first 8 MB of memory, since this is
173 * the maximum mapped by the Linux kernel during initialization.
174 */
175 #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
176
177 /*-----------------------------------------------------------------------
178 * FLASH organization
179 */
180 #define CFG_MAX_FLASH_BANKS 2 /* max number of memory banks */
181 #define CFG_MAX_FLASH_SECT 67 /* max number of sectors on one chip */
182
183 #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
184 #define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
185
186 #define CFG_ENV_IS_IN_FLASH 1
187 #define CFG_ENV_OFFSET 0x8000 /* Offset of Environment Sector */
188 #define CFG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */
189
190 /* Address and size of Redundant Environment Sector */
191 #define CFG_ENV_OFFSET_REDUND (CFG_ENV_OFFSET+CFG_ENV_SIZE)
192 #define CFG_ENV_SIZE_REDUND (CFG_ENV_SIZE)
193
194 /*-----------------------------------------------------------------------
195 * Hardware Information Block
196 */
197 #define CFG_HWINFO_OFFSET 0x0003FFC0 /* offset of HW Info block */
198 #define CFG_HWINFO_SIZE 0x00000040 /* size of HW Info block */
199 #define CFG_HWINFO_MAGIC 0x54514D38 /* 'TQM8' */
200
201 /*-----------------------------------------------------------------------
202 * Cache Configuration
203 */
204 #define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
205 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
206 #define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */
207 #endif
208
209 /*-----------------------------------------------------------------------
210 * SYPCR - System Protection Control 11-9
211 * SYPCR can only be written once after reset!
212 *-----------------------------------------------------------------------
213 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
214 */
215 #if defined(CONFIG_WATCHDOG)
216 #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
217 SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
218 #else
219 #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
220 #endif
221
222 /*-----------------------------------------------------------------------
223 * SIUMCR - SIU Module Configuration 11-6
224 *-----------------------------------------------------------------------
225 * PCMCIA config., multi-function pin tri-state
226 */
227 #ifndef CONFIG_CAN_DRIVER
228 #define CFG_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
229 #else /* we must activate GPL5 in the SIUMCR for CAN */
230 #define CFG_SIUMCR (SIUMCR_DBGC11 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
231 #endif /* CONFIG_CAN_DRIVER */
232
233 /*-----------------------------------------------------------------------
234 * TBSCR - Time Base Status and Control 11-26
235 *-----------------------------------------------------------------------
236 * Clear Reference Interrupt Status, Timebase freezing enabled
237 */
238 #define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
239
240 /*-----------------------------------------------------------------------
241 * RTCSC - Real-Time Clock Status and Control Register 11-27
242 *-----------------------------------------------------------------------
243 */
244 #define CFG_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
245
246 /*-----------------------------------------------------------------------
247 * PISCR - Periodic Interrupt Status and Control 11-31
248 *-----------------------------------------------------------------------
249 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
250 */
251 #define CFG_PISCR (PISCR_PS | PISCR_PITF)
252
253 /*-----------------------------------------------------------------------
254 * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
255 *-----------------------------------------------------------------------
256 * Reset PLL lock status sticky bit, timer expired status bit and timer
257 * interrupt status bit
258 *
259 * If this is a 80 MHz CPU, set PLL multiplication factor to 5 (5*16=80)!
260 */
261 #ifdef CONFIG_80MHz /* for 80 MHz, we use a 16 MHz clock * 5 */
262 #define CFG_PLPRCR \
263 ( (5-1)<<PLPRCR_MF_SHIFT | PLPRCR_TEXPS | PLPRCR_TMIST )
264 #else /* up to 50 MHz we use a 1:1 clock */
265 #define CFG_PLPRCR (PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
266 #endif /* CONFIG_80MHz */
267
268 /*-----------------------------------------------------------------------
269 * SCCR - System Clock and reset Control Register 15-27
270 *-----------------------------------------------------------------------
271 * Set clock output, timebase and RTC source and divider,
272 * power management and some other internal clocks
273 */
274 #define SCCR_MASK SCCR_EBDF11
275 #ifdef CONFIG_80MHz /* for 80 MHz, we use a 16 MHz clock * 5 */
276 #define CFG_SCCR (/* SCCR_TBS | */ \
277 SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \
278 SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \
279 SCCR_DFALCD00)
280 #else /* up to 50 MHz we use a 1:1 clock */
281 #define CFG_SCCR (SCCR_TBS | \
282 SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \
283 SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \
284 SCCR_DFALCD00)
285 #endif /* CONFIG_80MHz */
286
287 /*-----------------------------------------------------------------------
288 * PCMCIA stuff
289 *-----------------------------------------------------------------------
290 *
291 */
292 #define CFG_PCMCIA_MEM_ADDR (0xE0000000)
293 #define CFG_PCMCIA_MEM_SIZE ( 64 << 20 )
294 #define CFG_PCMCIA_DMA_ADDR (0xE4000000)
295 #define CFG_PCMCIA_DMA_SIZE ( 64 << 20 )
296 #define CFG_PCMCIA_ATTRB_ADDR (0xE8000000)
297 #define CFG_PCMCIA_ATTRB_SIZE ( 64 << 20 )
298 #define CFG_PCMCIA_IO_ADDR (0xEC000000)
299 #define CFG_PCMCIA_IO_SIZE ( 64 << 20 )
300
301 /*-----------------------------------------------------------------------
302 * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter)
303 *-----------------------------------------------------------------------
304 */
305
306 #define CONFIG_IDE_8xx_PCCARD 1 /* Use IDE with PC Card Adapter */
307
308 #undef CONFIG_IDE_8xx_DIRECT /* Direct IDE not supported */
309 #undef CONFIG_IDE_LED /* LED for ide not supported */
310 #undef CONFIG_IDE_RESET /* reset for ide not supported */
311
312 #define CFG_IDE_MAXBUS 1 /* max. 1 IDE bus */
313 #define CFG_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */
314
315 #define CFG_ATA_IDE0_OFFSET 0x0000
316
317 #define CFG_ATA_BASE_ADDR CFG_PCMCIA_MEM_ADDR
318
319 /* Offset for data I/O */
320 #define CFG_ATA_DATA_OFFSET (CFG_PCMCIA_MEM_SIZE + 0x320)
321
322 /* Offset for normal register accesses */
323 #define CFG_ATA_REG_OFFSET (2 * CFG_PCMCIA_MEM_SIZE + 0x320)
324
325 /* Offset for alternate registers */
326 #define CFG_ATA_ALT_OFFSET 0x0100
327
328 /*-----------------------------------------------------------------------
329 *
330 *-----------------------------------------------------------------------
331 *
332 */
333 /*#define CFG_DER 0x2002000F*/
334 #define CFG_DER 0
335
336 /*
337 * Init Memory Controller:
338 *
339 * BR0/1 and OR0/1 (FLASH)
340 */
341
342 #define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */
343 #define FLASH_BASE1_PRELIM 0x60000000 /* FLASH bank #0 */
344
345 /* used to re-map FLASH both when starting from SRAM or FLASH:
346 * restrict access enough to keep SRAM working (if any)
347 * but not too much to meddle with FLASH accesses
348 */
349 #define CFG_REMAP_OR_AM 0x80000000 /* OR addr mask */
350 #define CFG_PRELIM_OR_AM 0xE0000000 /* OR addr mask */
351
352 /*
353 * FLASH timing:
354 */
355 #if defined(CONFIG_80MHz)
356 /* 80 MHz CPU - 40 MHz bus: ACS = 00, TRLX = 0, CSNT = 1, SCY = 3, EHTR = 1 */
357 #define CFG_OR_TIMING_FLASH (OR_ACS_DIV1 | 0 | OR_CSNT_SAM | \
358 OR_SCY_3_CLK | OR_EHTR | OR_BI)
359 #elif defined(CONFIG_66MHz)
360 /* 66 MHz CPU - 66 MHz bus: ACS = 00, TRLX = 1, CSNT = 1, SCY = 3, EHTR = 1 */
361 #define CFG_OR_TIMING_FLASH (OR_ACS_DIV1 | OR_TRLX | OR_CSNT_SAM | \
362 OR_SCY_3_CLK | OR_EHTR | OR_BI)
363 #else /* 50 MHz */
364 /* 50 MHz CPU - 50 MHz bus: ACS = 00, TRLX = 1, CSNT = 1, SCY = 2, EHTR = 1 */
365 #define CFG_OR_TIMING_FLASH (OR_ACS_DIV1 | OR_TRLX | OR_CSNT_SAM | \
366 OR_SCY_2_CLK | OR_EHTR | OR_BI)
367 #endif /*CONFIG_??MHz */
368
369 #define CFG_OR0_REMAP (CFG_REMAP_OR_AM | CFG_OR_TIMING_FLASH)
370 #define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH)
371 #define CFG_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V )
372
373 #define CFG_OR1_REMAP CFG_OR0_REMAP
374 #define CFG_OR1_PRELIM CFG_OR0_PRELIM
375 #define CFG_BR1_PRELIM ((FLASH_BASE1_PRELIM & BR_BA_MSK) | BR_V )
376
377 /*
378 * BR2/3 and OR2/3 (SDRAM)
379 *
380 */
381 #define SDRAM_BASE2_PRELIM 0x00000000 /* SDRAM bank #0 */
382 #define SDRAM_BASE3_PRELIM 0x20000000 /* SDRAM bank #1 */
383 #define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB per bank */
384
385 /* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */
386 #define CFG_OR_TIMING_SDRAM 0x00000A00
387
388 #define CFG_OR2_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_SDRAM )
389 #define CFG_BR2_PRELIM ((SDRAM_BASE2_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
390
391 #ifndef CONFIG_CAN_DRIVER
392 #define CFG_OR3_PRELIM CFG_OR2_PRELIM
393 #define CFG_BR3_PRELIM ((SDRAM_BASE3_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
394 #else /* CAN uses CS3#, so we can have only one SDRAM bank anyway */
395 #define CFG_CAN_BASE 0xC0000000 /* CAN mapped at 0xC0000000 */
396 #define CFG_CAN_OR_AM 0xFFFF8000 /* 32 kB address mask */
397 #define CFG_OR3_CAN (CFG_CAN_OR_AM | OR_G5LA | OR_BI)
398 #define CFG_BR3_CAN ((CFG_CAN_BASE & BR_BA_MSK) | \
399 BR_PS_8 | BR_MS_UPMB | BR_V )
400 #endif /* CONFIG_CAN_DRIVER */
401
402 /*
403 * Memory Periodic Timer Prescaler
404 *
405 * The Divider for PTA (refresh timer) configuration is based on an
406 * example SDRAM configuration (64 MBit, one bank). The adjustment to
407 * the number of chip selects (NCS) and the actually needed refresh
408 * rate is done by setting MPTPR.
409 *
410 * PTA is calculated from
411 * PTA = (gclk * Trefresh) / ((2 ^ (2 * DFBRG)) * PTP * NCS)
412 *
413 * gclk CPU clock (not bus clock!)
414 * Trefresh Refresh cycle * 4 (four word bursts used)
415 *
416 * 4096 Rows from SDRAM example configuration
417 * 1000 factor s -> ms
418 * 32 PTP (pre-divider from MPTPR) from SDRAM example configuration
419 * 4 Number of refresh cycles per period
420 * 64 Refresh cycle in ms per number of rows
421 * --------------------------------------------
422 * Divider = 4096 * 32 * 1000 / (4 * 64) = 512000
423 *
424 * 50 MHz => 50.000.000 / Divider = 98
425 * 66 Mhz => 66.000.000 / Divider = 129
426 * 80 Mhz => 80.000.000 / Divider = 156
427 */
428 #if defined(CONFIG_80MHz)
429 #define CFG_MAMR_PTA 156
430 #elif defined(CONFIG_66MHz)
431 #define CFG_MAMR_PTA 129
432 #else /* 50 MHz */
433 #define CFG_MAMR_PTA 98
434 #endif /*CONFIG_??MHz */
435
436 /*
437 * For 16 MBit, refresh rates could be 31.3 us
438 * (= 64 ms / 2K = 125 / quad bursts).
439 * For a simpler initialization, 15.6 us is used instead.
440 *
441 * #define CFG_MPTPR_2BK_2K MPTPR_PTP_DIV32 for 2 banks
442 * #define CFG_MPTPR_1BK_2K MPTPR_PTP_DIV64 for 1 bank
443 */
444 #define CFG_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */
445 #define CFG_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */
446
447 /* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */
448 #define CFG_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */
449 #define CFG_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */
450
451 /*
452 * MAMR settings for SDRAM
453 */
454
455 /* 8 column SDRAM */
456 #define CFG_MAMR_8COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
457 MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \
458 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
459 /* 9 column SDRAM */
460 #define CFG_MAMR_9COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
461 MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \
462 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
463
464
465 /*
466 * Internal Definitions
467 *
468 * Boot Flags
469 */
470 #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
471 #define BOOTFLAG_WARM 0x02 /* Software reboot */
472
473 #endif /* __CONFIG_H */