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75dc29eb WD |
1 | /* |
2 | * (C) Copyright 2000 | |
3 | * Wolfgang Denk, DENX Software Engineering, [email protected]. | |
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 | #undef TQM8xxL_80MHz /* 1 / * define for 80 MHz CPU only */ | |
32 | ||
33 | /* | |
34 | * High Level Configuration Options | |
35 | * (easy to change) | |
36 | */ | |
37 | ||
38 | #define CONFIG_MPC850 1 /* This is a MPC850 CPU */ | |
39 | #define CONFIG_SM850 1 /*...on a MPC850 Service Module */ | |
40 | ||
41 | #undef CONFIG_8xx_CONS_SMC1 /* SMC1 not usable because Ethernet on SCC3 */ | |
42 | #define CONFIG_8xx_CONS_SMC2 1 /* Console is on SMC2 */ | |
43 | #undef CONFIG_8xx_CONS_NONE | |
44 | #define CONFIG_BAUDRATE 115200 | |
45 | #if 0 | |
46 | #define CONFIG_BOOTDELAY -1 /* autoboot disabled */ | |
47 | #else | |
48 | #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */ | |
49 | #endif | |
50 | ||
51 | #define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */ | |
52 | ||
53 | #define CONFIG_BOARD_TYPES 1 /* support board types */ | |
54 | ||
55 | #undef CONFIG_BOOTARGS | |
56 | #define CONFIG_BOOTCOMMAND \ | |
53677ef1 WD |
57 | "bootp; " \ |
58 | "setenv bootargs root=/dev/nfs rw nfsroot=${serverip}:${rootpath} " \ | |
59 | "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off; " \ | |
75dc29eb WD |
60 | "bootm" |
61 | ||
62 | #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */ | |
63 | #undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */ | |
64 | ||
65 | #undef CONFIG_WATCHDOG /* watchdog disabled */ | |
66 | ||
67 | #undef CONFIG_STATUS_LED /* Status LED not enabled */ | |
68 | ||
69 | #undef CONFIG_CAN_DRIVER /* CAN Driver support disabled */ | |
70 | ||
18225e8d JL |
71 | /* |
72 | * BOOTP options | |
73 | */ | |
74 | #define CONFIG_BOOTP_SUBNETMASK | |
75 | #define CONFIG_BOOTP_GATEWAY | |
76 | #define CONFIG_BOOTP_HOSTNAME | |
77 | #define CONFIG_BOOTP_BOOTPATH | |
78 | #define CONFIG_BOOTP_BOOTFILESIZE | |
79 | ||
75dc29eb WD |
80 | |
81 | #define CONFIG_RTC_MPC8xx /* use internal RTC of MPC8xx */ | |
82 | ||
75dc29eb | 83 | |
fe7f782d JL |
84 | /* |
85 | * Command line configuration. | |
86 | */ | |
87 | #include <config_cmd_default.h> | |
88 | ||
89 | #define CONFIG_CMD_DHCP | |
90 | #define CONFIG_CMD_DATE | |
91 | ||
75dc29eb WD |
92 | |
93 | /* | |
94 | * Miscellaneous configurable options | |
95 | */ | |
96 | #define CFG_LONGHELP /* undef to save memory */ | |
97 | #define CFG_PROMPT "=> " /* Monitor Command Prompt */ | |
fe7f782d | 98 | #if defined(CONFIG_CMD_KGDB) && defined(KGDB_DEBUG) |
75dc29eb WD |
99 | #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */ |
100 | #else | |
101 | #define CFG_CBSIZE 256 /* Console I/O Buffer Size */ | |
102 | #endif | |
103 | #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */ | |
104 | #define CFG_MAXARGS 16 /* max number of command args */ | |
105 | #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */ | |
106 | ||
107 | #define CFG_MEMTEST_START 0x0400000 /* memtest works on */ | |
108 | #define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */ | |
109 | ||
110 | #define CFG_LOAD_ADDR 0x100000 /* default load address */ | |
111 | ||
112 | #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */ | |
113 | ||
114 | #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } | |
115 | ||
116 | /* | |
117 | * Low Level Configuration Settings | |
118 | * (address mappings, register initial values, etc.) | |
119 | * You should know what you are doing if you make changes here. | |
120 | */ | |
121 | /*----------------------------------------------------------------------- | |
122 | * Internal Memory Mapped Register | |
123 | */ | |
124 | #define CFG_IMMR 0xFFF00000 | |
125 | ||
126 | /*----------------------------------------------------------------------- | |
127 | * Definitions for initial stack pointer and data area (in DPRAM) | |
128 | */ | |
129 | #define CFG_INIT_RAM_ADDR CFG_IMMR | |
130 | #define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */ | |
131 | #define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */ | |
132 | #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE) | |
133 | #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET | |
134 | ||
135 | /*----------------------------------------------------------------------- | |
136 | * Start addresses for the final memory configuration | |
137 | * (Set up by the startup code) | |
138 | * Please note that CFG_SDRAM_BASE _must_ start at 0 | |
139 | */ | |
140 | #define CFG_SDRAM_BASE 0x00000000 | |
141 | #define CFG_FLASH_BASE 0x40000000 | |
142 | #if defined(DEBUG) | |
143 | #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */ | |
144 | #else | |
145 | #define CFG_MONITOR_LEN (192 << 10) /* Reserve 192 kB for Monitor */ | |
146 | #endif | |
147 | #define CFG_MONITOR_BASE CFG_FLASH_BASE | |
148 | #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */ | |
149 | ||
150 | /* | |
151 | * For booting Linux, the board info and command line data | |
152 | * have to be in the first 8 MB of memory, since this is | |
153 | * the maximum mapped by the Linux kernel during initialization. | |
154 | */ | |
155 | #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */ | |
156 | ||
157 | /*----------------------------------------------------------------------- | |
158 | * FLASH organization | |
159 | */ | |
160 | #define CFG_MAX_FLASH_BANKS 2 /* max number of memory banks */ | |
161 | #define CFG_MAX_FLASH_SECT 67 /* max number of sectors on one chip */ | |
162 | ||
163 | #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */ | |
164 | #define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */ | |
165 | ||
5a1aceb0 | 166 | #define CONFIG_ENV_IS_IN_FLASH 1 |
0e8d1586 JCPV |
167 | #define CONFIG_ENV_OFFSET 0x8000 /* Offset of Environment Sector */ |
168 | #define CONFIG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */ | |
75dc29eb WD |
169 | |
170 | /*----------------------------------------------------------------------- | |
171 | * Hardware Information Block | |
172 | */ | |
173 | #define CFG_HWINFO_OFFSET 0x0003FFC0 /* offset of HW Info block */ | |
174 | #define CFG_HWINFO_SIZE 0x00000040 /* size of HW Info block */ | |
175 | #define CFG_HWINFO_MAGIC 0x54514D38 /* 'TQM8' */ | |
176 | ||
177 | /*----------------------------------------------------------------------- | |
178 | * Cache Configuration | |
179 | */ | |
180 | #define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */ | |
fe7f782d | 181 | #if defined(CONFIG_CMD_KGDB) |
75dc29eb WD |
182 | #define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */ |
183 | #endif | |
184 | ||
185 | /*----------------------------------------------------------------------- | |
186 | * SYPCR - System Protection Control 11-9 | |
187 | * SYPCR can only be written once after reset! | |
188 | *----------------------------------------------------------------------- | |
189 | * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze | |
190 | */ | |
191 | #if defined(CONFIG_WATCHDOG) | |
192 | #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \ | |
193 | SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP) | |
194 | #else | |
195 | #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP) | |
196 | #endif | |
197 | ||
198 | /*----------------------------------------------------------------------- | |
199 | * SIUMCR - SIU Module Configuration 11-6 | |
200 | *----------------------------------------------------------------------- | |
201 | * PCMCIA config., multi-function pin tri-state | |
202 | */ | |
203 | #ifndef CONFIG_CAN_DRIVER | |
204 | #define CFG_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01) | |
205 | #else /* we must activate GPL5 in the SIUMCR for CAN */ | |
206 | #define CFG_SIUMCR (SIUMCR_DBGC11 | SIUMCR_DBPC00 | SIUMCR_MLRC01) | |
207 | #endif /* CONFIG_CAN_DRIVER */ | |
208 | ||
209 | /*----------------------------------------------------------------------- | |
210 | * TBSCR - Time Base Status and Control 11-26 | |
211 | *----------------------------------------------------------------------- | |
212 | * Clear Reference Interrupt Status, Timebase freezing enabled | |
213 | */ | |
214 | #define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF) | |
215 | ||
216 | /*----------------------------------------------------------------------- | |
217 | * RTCSC - Real-Time Clock Status and Control Register 11-27 | |
218 | *----------------------------------------------------------------------- | |
219 | */ | |
220 | #define CFG_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE) | |
221 | ||
222 | /*----------------------------------------------------------------------- | |
223 | * PISCR - Periodic Interrupt Status and Control 11-31 | |
224 | *----------------------------------------------------------------------- | |
225 | * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled | |
226 | */ | |
227 | #define CFG_PISCR (PISCR_PS | PISCR_PITF) | |
228 | ||
229 | /*----------------------------------------------------------------------- | |
230 | * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30 | |
231 | *----------------------------------------------------------------------- | |
232 | * Reset PLL lock status sticky bit, timer expired status bit and timer | |
233 | * interrupt status bit | |
234 | * | |
235 | * If this is a 80 MHz CPU, set PLL multiplication factor to 5 (5*16=80)! | |
236 | */ | |
237 | #ifdef TQM8xxL_80MHz /* for 80 MHz, we use a 16 MHz clock * 5 */ | |
238 | #define CFG_PLPRCR \ | |
239 | ( (5-1)<<PLPRCR_MF_SHIFT | PLPRCR_TEXPS | PLPRCR_TMIST ) | |
240 | #else | |
241 | #define CFG_PLPRCR (PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST) | |
242 | #endif /* TQM8xxL_80MHz */ | |
243 | ||
244 | /*----------------------------------------------------------------------- | |
245 | * SCCR - System Clock and reset Control Register 15-27 | |
246 | *----------------------------------------------------------------------- | |
247 | * Set clock output, timebase and RTC source and divider, | |
248 | * power management and some other internal clocks | |
249 | */ | |
250 | #define SCCR_MASK SCCR_EBDF11 | |
251 | #ifdef TQM8xxL_80MHz /* for 80 MHz, we use a 16 MHz clock * 5 */ | |
252 | #define CFG_SCCR (/* SCCR_TBS | */ \ | |
253 | SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \ | |
254 | SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \ | |
255 | SCCR_DFALCD00) | |
256 | #else /* up to 50 MHz we use a 1:1 clock */ | |
257 | #define CFG_SCCR (SCCR_TBS | \ | |
258 | SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \ | |
259 | SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \ | |
260 | SCCR_DFALCD00) | |
261 | #endif /* TQM8xxL_80MHz */ | |
262 | ||
263 | /*----------------------------------------------------------------------- | |
264 | * PCMCIA stuff | |
265 | *----------------------------------------------------------------------- | |
266 | * | |
267 | */ | |
268 | #define CFG_PCMCIA_MEM_ADDR (0xE0000000) | |
269 | #define CFG_PCMCIA_MEM_SIZE ( 64 << 20 ) | |
270 | #define CFG_PCMCIA_DMA_ADDR (0xE4000000) | |
271 | #define CFG_PCMCIA_DMA_SIZE ( 64 << 20 ) | |
272 | #define CFG_PCMCIA_ATTRB_ADDR (0xE8000000) | |
273 | #define CFG_PCMCIA_ATTRB_SIZE ( 64 << 20 ) | |
274 | #define CFG_PCMCIA_IO_ADDR (0xEC000000) | |
275 | #define CFG_PCMCIA_IO_SIZE ( 64 << 20 ) | |
276 | ||
277 | /*----------------------------------------------------------------------- | |
278 | * | |
279 | *----------------------------------------------------------------------- | |
280 | * | |
281 | */ | |
75dc29eb WD |
282 | #define CFG_DER 0 |
283 | ||
284 | /* | |
285 | * Init Memory Controller: | |
286 | * | |
287 | * BR0/1 and OR0/1 (FLASH) | |
288 | */ | |
289 | ||
290 | #define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */ | |
291 | #define FLASH_BASE1_PRELIM 0x60000000 /* FLASH bank #0 */ | |
292 | ||
293 | /* used to re-map FLASH both when starting from SRAM or FLASH: | |
294 | * restrict access enough to keep SRAM working (if any) | |
295 | * but not too much to meddle with FLASH accesses | |
296 | */ | |
297 | #define CFG_REMAP_OR_AM 0x80000000 /* OR addr mask */ | |
298 | #define CFG_PRELIM_OR_AM 0xE0000000 /* OR addr mask */ | |
299 | ||
300 | /* FLASH timing: ACS = 11, TRLX = 0, CSNT = 1, SCY = 5, EHTR = 1 */ | |
301 | #define CFG_OR_TIMING_FLASH (OR_CSNT_SAM | OR_ACS_DIV2 | OR_BI | \ | |
302 | OR_SCY_5_CLK | OR_EHTR) | |
303 | ||
304 | #define CFG_OR0_REMAP (CFG_REMAP_OR_AM | CFG_OR_TIMING_FLASH) | |
305 | #define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH) | |
306 | #define CFG_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V ) | |
307 | ||
308 | #define CFG_OR1_REMAP CFG_OR0_REMAP | |
309 | #define CFG_OR1_PRELIM CFG_OR0_PRELIM | |
310 | #define CFG_BR1_PRELIM ((FLASH_BASE1_PRELIM & BR_BA_MSK) | BR_V ) | |
311 | ||
312 | /* | |
313 | * BR2/3 and OR2/3 (SDRAM) | |
314 | * | |
315 | */ | |
316 | #define SDRAM_BASE2_PRELIM 0x00000000 /* SDRAM bank #0 */ | |
317 | #define SDRAM_BASE3_PRELIM 0x20000000 /* SDRAM bank #1 */ | |
318 | #define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB per bank */ | |
319 | ||
320 | /* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */ | |
321 | #define CFG_OR_TIMING_SDRAM 0x00000A00 | |
322 | ||
323 | #define CFG_OR2_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_SDRAM ) | |
324 | #define CFG_BR2_PRELIM ((SDRAM_BASE2_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V ) | |
325 | ||
326 | #ifndef CONFIG_CAN_DRIVER | |
327 | #define CFG_OR3_PRELIM CFG_OR2_PRELIM | |
328 | #define CFG_BR3_PRELIM ((SDRAM_BASE3_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V ) | |
329 | #else /* CAN uses CS3#, so we can have only one SDRAM bank anyway */ | |
330 | #define CFG_CAN_BASE 0xC0000000 /* CAN mapped at 0xC0000000 */ | |
331 | #define CFG_CAN_OR_AM 0xFFFF8000 /* 32 kB address mask */ | |
332 | #define CFG_OR3_CAN (CFG_CAN_OR_AM | OR_G5LA | OR_BI) | |
333 | #define CFG_BR3_CAN ((CFG_CAN_BASE & BR_BA_MSK) | \ | |
334 | BR_PS_8 | BR_MS_UPMB | BR_V ) | |
335 | #endif /* CONFIG_CAN_DRIVER */ | |
336 | ||
337 | /* | |
338 | * Memory Periodic Timer Prescaler | |
339 | */ | |
340 | ||
341 | /* periodic timer for refresh */ | |
342 | #define CFG_MAMR_PTA 97 /* start with divider for 100 MHz */ | |
343 | ||
344 | /* refresh rate 15.6 us (= 64 ms / 4K = 62.4 / quad bursts) for <= 128 MBit */ | |
345 | #define CFG_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */ | |
346 | #define CFG_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */ | |
347 | ||
348 | /* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */ | |
349 | #define CFG_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */ | |
350 | #define CFG_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */ | |
351 | ||
352 | /* | |
353 | * MAMR settings for SDRAM | |
354 | */ | |
355 | ||
356 | /* 8 column SDRAM */ | |
357 | #define CFG_MAMR_8COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \ | |
358 | MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \ | |
359 | MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X) | |
360 | /* 9 column SDRAM */ | |
361 | #define CFG_MAMR_9COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \ | |
362 | MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \ | |
363 | MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X) | |
364 | ||
365 | ||
366 | /* | |
367 | * Internal Definitions | |
368 | * | |
369 | * Boot Flags | |
370 | */ | |
371 | #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */ | |
372 | #define BOOTFLAG_WARM 0x02 /* Software reboot */ | |
373 | ||
374 | #endif /* __CONFIG_H */ |