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71f95118 1/*
414eec35 2 * (C) Copyright 2000-2005
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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_MPC860 1
37#define CONFIG_MPC860T 1
38#define CONFIG_MPC862 1
39
40#define CONFIG_TQM862M 1 /* ...on a TQM8xxM module */
41
42#define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
43#undef CONFIG_8xx_CONS_SMC2
44#undef CONFIG_8xx_CONS_NONE
45
46#define CONFIG_BAUDRATE 115200 /* console baudrate = 115kbps */
47
ae3af05e 48#define CONFIG_BOOTCOUNT_LIMIT
71f95118 49
ae3af05e 50#define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
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51
52#define CONFIG_BOARD_TYPES 1 /* support board types */
53
54#define CONFIG_PREBOOT "echo;" \
32bf3d14 55 "echo Type \\\"run flash_nfs\\\" to mount root filesystem over NFS;" \
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56 "echo"
57
58#undef CONFIG_BOOTARGS
59
60#define CONFIG_EXTRA_ENV_SETTINGS \
61 "netdev=eth0\0" \
62 "nfsargs=setenv bootargs root=/dev/nfs rw " \
fe126d8b 63 "nfsroot=${serverip}:${rootpath}\0" \
71f95118 64 "ramargs=setenv bootargs root=/dev/ram rw\0" \
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65 "addip=setenv bootargs ${bootargs} " \
66 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
67 ":${hostname}:${netdev}:off panic=1\0" \
71f95118 68 "flash_nfs=run nfsargs addip;" \
fe126d8b 69 "bootm ${kernel_addr}\0" \
71f95118 70 "flash_self=run ramargs addip;" \
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71 "bootm ${kernel_addr} ${ramdisk_addr}\0" \
72 "net_nfs=tftp 200000 ${bootfile};run nfsargs addip;bootm\0" \
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73 "rootpath=/opt/eldk/ppc_8xx\0" \
74 "bootfile=/tftpboot/TQM862M/uImage\0" \
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75 "fdt_addr=40080000\0" \
76 "kernel_addr=400A0000\0" \
77 "ramdisk_addr=40280000\0" \
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78 ""
79#define CONFIG_BOOTCOMMAND "run flash_self"
80
81#define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
82#undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */
83
84#undef CONFIG_WATCHDOG /* watchdog disabled */
85
86#define CONFIG_STATUS_LED 1 /* Status LED enabled */
87
88#undef CONFIG_CAN_DRIVER /* CAN Driver support disabled */
89
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90/*
91 * BOOTP options
92 */
93#define CONFIG_BOOTP_SUBNETMASK
94#define CONFIG_BOOTP_GATEWAY
95#define CONFIG_BOOTP_HOSTNAME
96#define CONFIG_BOOTP_BOOTPATH
97#define CONFIG_BOOTP_BOOTFILESIZE
98
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99
100#define CONFIG_MAC_PARTITION
101#define CONFIG_DOS_PARTITION
102
103#define CONFIG_RTC_MPC8xx /* use internal RTC of MPC8xx */
104
71f95118 105
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106/*
107 * Command line configuration.
108 */
109#include <config_cmd_default.h>
110
111#define CONFIG_CMD_ASKENV
112#define CONFIG_CMD_DATE
113#define CONFIG_CMD_DHCP
114#define CONFIG_CMD_IDE
115#define CONFIG_CMD_NFS
116#define CONFIG_CMD_SNTP
117
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118
119/*
120 * Miscellaneous configurable options
121 */
122#define CFG_LONGHELP /* undef to save memory */
123#define CFG_PROMPT "=> " /* Monitor Command Prompt */
124
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125#define CONFIG_CMDLINE_EDITING 1 /* add command line history */
126#define CFG_HUSH_PARSER 1 /* Use the HUSH parser */
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127#ifdef CFG_HUSH_PARSER
128#define CFG_PROMPT_HUSH_PS2 "> "
129#endif
130
2694690e 131#if defined(CONFIG_CMD_KGDB)
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132#define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
133#else
134#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
135#endif
136#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
137#define CFG_MAXARGS 16 /* max number of command args */
138#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
139
140#define CFG_MEMTEST_START 0x0400000 /* memtest works on */
141#define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
142
143#define CFG_LOAD_ADDR 0x100000 /* default load address */
144
145#define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
146
147#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
148
149/*
150 * Low Level Configuration Settings
151 * (address mappings, register initial values, etc.)
152 * You should know what you are doing if you make changes here.
153 */
154/*-----------------------------------------------------------------------
155 * Internal Memory Mapped Register
156 */
157#define CFG_IMMR 0xFFF00000
158
159/*-----------------------------------------------------------------------
160 * Definitions for initial stack pointer and data area (in DPRAM)
161 */
162#define CFG_INIT_RAM_ADDR CFG_IMMR
163#define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
164#define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
165#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
166#define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
167
168/*-----------------------------------------------------------------------
169 * Start addresses for the final memory configuration
170 * (Set up by the startup code)
171 * Please note that CFG_SDRAM_BASE _must_ start at 0
172 */
173#define CFG_SDRAM_BASE 0x00000000
174#define CFG_FLASH_BASE 0x40000000
175#define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
176#define CFG_MONITOR_BASE CFG_FLASH_BASE
177#define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
178
179/*
180 * For booting Linux, the board info and command line data
181 * have to be in the first 8 MB of memory, since this is
182 * the maximum mapped by the Linux kernel during initialization.
183 */
184#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
185
186/*-----------------------------------------------------------------------
187 * FLASH organization
188 */
71f95118 189
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190/* use CFI flash driver */
191#define CFG_FLASH_CFI 1 /* Flash is CFI conformant */
192#define CFG_FLASH_CFI_DRIVER 1 /* Use the common driver */
193#define CFG_FLASH_BANKS_LIST { CFG_FLASH_BASE }
194#define CFG_FLASH_EMPTY_INFO
195#define CFG_FLASH_USE_BUFFER_WRITE 1
196#define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
197#define CFG_MAX_FLASH_SECT 256 /* max number of sectors on one chip */
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198
199#define CFG_ENV_IS_IN_FLASH 1
71f95118 200#define CFG_ENV_OFFSET 0x40000 /* Offset of Environment Sector */
e318d9e9 201#define CFG_ENV_SIZE 0x08000 /* Total Size of Environment */
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202#define CFG_ENV_SECT_SIZE 0x20000 /* Total Size of Environment Sector */
203
204/* Address and size of Redundant Environment Sector */
205#define CFG_ENV_OFFSET_REDUND (CFG_ENV_OFFSET+CFG_ENV_SECT_SIZE)
206#define CFG_ENV_SIZE_REDUND (CFG_ENV_SIZE)
207
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208#define CFG_USE_PPCENV /* Environment embedded in sect .ppcenv */
209
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210/*-----------------------------------------------------------------------
211 * Hardware Information Block
212 */
213#define CFG_HWINFO_OFFSET 0x0003FFC0 /* offset of HW Info block */
214#define CFG_HWINFO_SIZE 0x00000040 /* size of HW Info block */
215#define CFG_HWINFO_MAGIC 0x54514D38 /* 'TQM8' */
216
217/*-----------------------------------------------------------------------
218 * Cache Configuration
219 */
220#define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
2694690e 221#if defined(CONFIG_CMD_KGDB)
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222#define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */
223#endif
224
225/*-----------------------------------------------------------------------
226 * SYPCR - System Protection Control 11-9
227 * SYPCR can only be written once after reset!
228 *-----------------------------------------------------------------------
229 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
230 */
231#if defined(CONFIG_WATCHDOG)
232#define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
233 SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
234#else
235#define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
236#endif
237
238/*-----------------------------------------------------------------------
239 * SIUMCR - SIU Module Configuration 11-6
240 *-----------------------------------------------------------------------
241 * PCMCIA config., multi-function pin tri-state
242 */
243#ifndef CONFIG_CAN_DRIVER
244#define CFG_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
245#else /* we must activate GPL5 in the SIUMCR for CAN */
246#define CFG_SIUMCR (SIUMCR_DBGC11 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
247#endif /* CONFIG_CAN_DRIVER */
248
249/*-----------------------------------------------------------------------
250 * TBSCR - Time Base Status and Control 11-26
251 *-----------------------------------------------------------------------
252 * Clear Reference Interrupt Status, Timebase freezing enabled
253 */
254#define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
255
256/*-----------------------------------------------------------------------
257 * RTCSC - Real-Time Clock Status and Control Register 11-27
258 *-----------------------------------------------------------------------
259 */
260#define CFG_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
261
262/*-----------------------------------------------------------------------
263 * PISCR - Periodic Interrupt Status and Control 11-31
264 *-----------------------------------------------------------------------
265 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
266 */
267#define CFG_PISCR (PISCR_PS | PISCR_PITF)
268
269/*-----------------------------------------------------------------------
270 * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
271 *-----------------------------------------------------------------------
272 * Reset PLL lock status sticky bit, timer expired status bit and timer
273 * interrupt status bit
71f95118 274 */
71f95118 275#define CFG_PLPRCR (PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
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276
277/*-----------------------------------------------------------------------
278 * SCCR - System Clock and reset Control Register 15-27
279 *-----------------------------------------------------------------------
280 * Set clock output, timebase and RTC source and divider,
281 * power management and some other internal clocks
282 */
283#define SCCR_MASK SCCR_EBDF11
e9132ea9 284#define CFG_SCCR (SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \
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285 SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \
286 SCCR_DFALCD00)
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287
288/*-----------------------------------------------------------------------
289 * PCMCIA stuff
290 *-----------------------------------------------------------------------
291 *
292 */
293#define CFG_PCMCIA_MEM_ADDR (0xE0000000)
294#define CFG_PCMCIA_MEM_SIZE ( 64 << 20 )
295#define CFG_PCMCIA_DMA_ADDR (0xE4000000)
296#define CFG_PCMCIA_DMA_SIZE ( 64 << 20 )
297#define CFG_PCMCIA_ATTRB_ADDR (0xE8000000)
298#define CFG_PCMCIA_ATTRB_SIZE ( 64 << 20 )
299#define CFG_PCMCIA_IO_ADDR (0xEC000000)
300#define CFG_PCMCIA_IO_SIZE ( 64 << 20 )
301
302/*-----------------------------------------------------------------------
303 * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter)
304 *-----------------------------------------------------------------------
305 */
306
307#define CONFIG_IDE_8xx_PCCARD 1 /* Use IDE with PC Card Adapter */
308
309#undef CONFIG_IDE_8xx_DIRECT /* Direct IDE not supported */
310#undef CONFIG_IDE_LED /* LED for ide not supported */
311#undef CONFIG_IDE_RESET /* reset for ide not supported */
312
313#define CFG_IDE_MAXBUS 1 /* max. 1 IDE bus */
314#define CFG_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */
315
316#define CFG_ATA_IDE0_OFFSET 0x0000
317
318#define CFG_ATA_BASE_ADDR CFG_PCMCIA_MEM_ADDR
319
320/* Offset for data I/O */
321#define CFG_ATA_DATA_OFFSET (CFG_PCMCIA_MEM_SIZE + 0x320)
322
323/* Offset for normal register accesses */
324#define CFG_ATA_REG_OFFSET (2 * CFG_PCMCIA_MEM_SIZE + 0x320)
325
326/* Offset for alternate registers */
327#define CFG_ATA_ALT_OFFSET 0x0100
328
329/*-----------------------------------------------------------------------
330 *
331 *-----------------------------------------------------------------------
332 *
333 */
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 #1 */
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 */
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355#define CFG_OR_TIMING_FLASH (OR_ACS_DIV1 | OR_TRLX | OR_CSNT_SAM | \
356 OR_SCY_3_CLK | OR_EHTR | OR_BI)
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357
358#define CFG_OR0_REMAP (CFG_REMAP_OR_AM | CFG_OR_TIMING_FLASH)
359#define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH)
360#define CFG_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V )
361
362#define CFG_OR1_REMAP CFG_OR0_REMAP
363#define CFG_OR1_PRELIM CFG_OR0_PRELIM
364#define CFG_BR1_PRELIM ((FLASH_BASE1_PRELIM & BR_BA_MSK) | BR_V )
365
366/*
367 * BR2/3 and OR2/3 (SDRAM)
368 *
369 */
370#define SDRAM_BASE2_PRELIM 0x00000000 /* SDRAM bank #0 */
371#define SDRAM_BASE3_PRELIM 0x20000000 /* SDRAM bank #1 */
372#define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB per bank */
373
374/* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */
375#define CFG_OR_TIMING_SDRAM 0x00000A00
376
377#define CFG_OR2_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_SDRAM )
378#define CFG_BR2_PRELIM ((SDRAM_BASE2_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
379
380#ifndef CONFIG_CAN_DRIVER
381#define CFG_OR3_PRELIM CFG_OR2_PRELIM
382#define CFG_BR3_PRELIM ((SDRAM_BASE3_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
383#else /* CAN uses CS3#, so we can have only one SDRAM bank anyway */
384#define CFG_CAN_BASE 0xC0000000 /* CAN mapped at 0xC0000000 */
385#define CFG_CAN_OR_AM 0xFFFF8000 /* 32 kB address mask */
386#define CFG_OR3_CAN (CFG_CAN_OR_AM | OR_G5LA | OR_BI)
387#define CFG_BR3_CAN ((CFG_CAN_BASE & BR_BA_MSK) | \
388 BR_PS_8 | BR_MS_UPMB | BR_V )
389#endif /* CONFIG_CAN_DRIVER */
390
391/*
392 * Memory Periodic Timer Prescaler
393 *
394 * The Divider for PTA (refresh timer) configuration is based on an
395 * example SDRAM configuration (64 MBit, one bank). The adjustment to
396 * the number of chip selects (NCS) and the actually needed refresh
397 * rate is done by setting MPTPR.
398 *
399 * PTA is calculated from
400 * PTA = (gclk * Trefresh) / ((2 ^ (2 * DFBRG)) * PTP * NCS)
401 *
402 * gclk CPU clock (not bus clock!)
403 * Trefresh Refresh cycle * 4 (four word bursts used)
404 *
405 * 4096 Rows from SDRAM example configuration
406 * 1000 factor s -> ms
407 * 32 PTP (pre-divider from MPTPR) from SDRAM example configuration
408 * 4 Number of refresh cycles per period
409 * 64 Refresh cycle in ms per number of rows
410 * --------------------------------------------
411 * Divider = 4096 * 32 * 1000 / (4 * 64) = 512000
412 *
413 * 50 MHz => 50.000.000 / Divider = 98
414 * 66 Mhz => 66.000.000 / Divider = 129
415 * 80 Mhz => 80.000.000 / Divider = 156
416 * 100 Mhz => 100.000.000 / Divider = 195
417 */
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418
419#define CFG_PTA_PER_CLK ((4096 * 32 * 1000) / (4 * 64))
420#define CFG_MAMR_PTA 98
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421
422/*
423 * For 16 MBit, refresh rates could be 31.3 us
424 * (= 64 ms / 2K = 125 / quad bursts).
425 * For a simpler initialization, 15.6 us is used instead.
426 *
427 * #define CFG_MPTPR_2BK_2K MPTPR_PTP_DIV32 for 2 banks
428 * #define CFG_MPTPR_1BK_2K MPTPR_PTP_DIV64 for 1 bank
429 */
430#define CFG_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */
431#define CFG_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */
432
433/* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */
434#define CFG_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */
435#define CFG_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */
436
437/*
438 * MAMR settings for SDRAM
439 */
440
441/* 8 column SDRAM */
442#define CFG_MAMR_8COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
443 MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \
444 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
445/* 9 column SDRAM */
446#define CFG_MAMR_9COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
447 MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \
448 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
449
450
451/*
452 * Internal Definitions
453 *
454 * Boot Flags
455 */
456#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
457#define BOOTFLAG_WARM 0x02 /* Software reboot */
458
459#define CONFIG_NET_MULTI
460#define CONFIG_SCC1_ENET
461#define CONFIG_FEC_ENET
462#define CONFIG_ETHPRIME "SCC ETHERNET"
463
464#endif /* __CONFIG_H */