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8966f337 WD |
1 | /* |
2 | * (C) Copyright 2000, 2001 | |
3 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. | |
4 | * (C) Copyright 2001 | |
5 | * Torsten Stevens, FHG IMS, stevens@ims.fhg.de | |
6 | * Bruno Achauer, Exet AG, bruno@exet-ag.de. | |
7 | * | |
8 | * See file CREDITS for list of people who contributed to this | |
9 | * project. | |
10 | * | |
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. | |
15 | * | |
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. | |
20 | * | |
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, | |
24 | * MA 02111-1307 USA | |
25 | */ | |
26 | ||
27 | /* | |
28 | * board/config.h - configuration options, board specific | |
29 | * [derived from config_TQM850L.h] | |
30 | */ | |
31 | ||
32 | #ifndef __CONFIG_H | |
33 | #define __CONFIG_H | |
34 | ||
35 | /* | |
36 | * High Level Configuration Options | |
37 | * (easy to change) | |
38 | */ | |
39 | ||
40 | #define CONFIG_MPC850 1 /* This is a MPC850 CPU */ | |
41 | #define CONFIG_LANTEC 2 /* ...on a Lantec rev.2 board */ | |
42 | ||
43 | /* | |
44 | * Port assignments (CONFIG_LANTEC == 1): | |
45 | * - SMC1: J11 (MDB) ? | |
46 | * - SMC2: J6 (Feature connector) | |
47 | * - SCC2: J9 (RJ45) | |
48 | * - SCC3: J8 (Sub-D9) | |
49 | * | |
50 | * Port assignments (CONFIG_LANTEC == 2): TBD | |
51 | */ | |
52 | ||
53 | ||
54 | #undef CONFIG_8xx_CONS_SMC2 /* Console is on SMC2 */ | |
55 | #define CONFIG_8xx_CONS_SCC3 | |
56 | #undef CONFIG_8xx_CONS_NONE | |
57 | #define CONFIG_BAUDRATE 38400 /* console baudrate = 38.4kbps */ | |
58 | #if 0 | |
59 | #define CONFIG_BOOTDELAY -1 /* autoboot disabled */ | |
60 | #else | |
61 | #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */ | |
62 | #endif | |
63 | ||
64 | #define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */ | |
65 | ||
66 | #undef CONFIG_BOOTARGS | |
67 | #define CONFIG_BOOTCOMMAND \ | |
68 | "setenv bootargs root=/dev/ram panic=5;bootm 40040000 400A0000" | |
69 | ||
70 | #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */ | |
71 | #undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */ | |
72 | ||
73 | #undef CONFIG_WATCHDOG /* watchdog disabled */ | |
74 | ||
75 | #define CONFIG_STATUS_LED 1 /* Status LED enabled */ | |
76 | ||
77 | #define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT | CONFIG_BOOTP_BOOTFILESIZE) | |
78 | ||
79 | #define CONFIG_CMD_MINIMAL 0 | |
80 | #define CONFIG_CMD_TINY (CFG_CMD_FLASH | \ | |
81 | CFG_CMD_MEMORY | \ | |
82 | CFG_CMD_LOADS | \ | |
83 | CFG_CMD_LOADB) | |
84 | #define CONFIG_CMD_NORMAL (CONFIG_CMD_DFL & ~CFG_CMD_BOOTD) | |
85 | #define CONFIG_CMD_GDB (CONFIG_CMD_NORMAL | CFG_CMD_KGDB) | |
86 | #define CONFIG_CMD_FULL (CFG_CMD_ALL & ~CFG_CMD_BEDBUG \ | |
824a1ebf | 87 | & ~CFG_CMD_BMP \ |
8966f337 WD |
88 | & ~CFG_CMD_BSP \ |
89 | & ~CFG_CMD_DOC \ | |
90 | & ~CFG_CMD_DTT \ | |
91 | & ~CFG_CMD_EEPROM \ | |
92 | & ~CFG_CMD_ELF \ | |
93 | & ~CFG_CMD_FDC \ | |
2262cfee | 94 | & ~CFG_CMD_FDOS \ |
8966f337 WD |
95 | & ~CFG_CMD_HWFLOW \ |
96 | & ~CFG_CMD_I2C \ | |
97 | & ~CFG_CMD_IDE \ | |
98 | & ~CFG_CMD_IRQ \ | |
99 | & ~CFG_CMD_JFFS2 \ | |
100 | & ~CFG_CMD_KGDB \ | |
101 | & ~CFG_CMD_MII \ | |
71f95118 | 102 | & ~CFG_CMD_MMC \ |
ac6dbb85 | 103 | & ~CFG_CMD_NAND \ |
8966f337 WD |
104 | & ~CFG_CMD_PCI \ |
105 | & ~CFG_CMD_PCMCIA \ | |
106 | & ~CFG_CMD_SCSI \ | |
1d0350ed | 107 | & ~CFG_CMD_SPI \ |
8966f337 WD |
108 | & ~CFG_CMD_USB \ |
109 | & ~CFG_CMD_VFD ) | |
110 | ||
111 | #if CONFIG_LANTEC >= 2 | |
112 | #define CONFIG_RTC_MPC8xx /* use internal RTC of MPC8xx */ | |
113 | #endif | |
114 | ||
115 | #if CONFIG_LANTEC >= 2 | |
116 | # define CONFIG_COMMANDS CONFIG_CMD_FULL | |
117 | #else | |
118 | # define CONFIG_COMMANDS (CONFIG_CMD_FULL & ~CFG_CMD_DATE & ~CFG_CMD_NET) | |
119 | #endif | |
120 | ||
121 | /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ | |
122 | #include <cmd_confdefs.h> | |
123 | ||
124 | /* | |
125 | * Miscellaneous configurable options | |
126 | */ | |
127 | #define CFG_LONGHELP /* undef to save memory */ | |
128 | #define CFG_PROMPT "=> " /* Monitor Command Prompt */ | |
129 | #if (CONFIG_COMMANDS & CFG_CMD_KGDB) | |
130 | #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */ | |
131 | #else | |
132 | #define CFG_CBSIZE 256 /* Console I/O Buffer Size */ | |
133 | #endif | |
134 | #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */ | |
135 | #define CFG_MAXARGS 16 /* max number of command args */ | |
136 | #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */ | |
137 | ||
138 | #define CFG_MEMTEST_START 0x0400000 /* memtest works on */ | |
139 | #define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */ | |
140 | ||
141 | #define CFG_LOAD_ADDR 0x100000 /* default load address */ | |
142 | ||
143 | #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */ | |
144 | ||
145 | #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } | |
146 | ||
147 | /* | |
148 | * Low Level Configuration Settings | |
149 | * (address mappings, register initial values, etc.) | |
150 | * You should know what you are doing if you make changes here. | |
151 | */ | |
152 | /*----------------------------------------------------------------------- | |
153 | * Internal Memory Mapped Register | |
154 | */ | |
155 | #define CFG_IMMR 0xFFF00000 | |
156 | ||
157 | /*----------------------------------------------------------------------- | |
158 | * Definitions for initial stack pointer and data area (in DPRAM) | |
159 | */ | |
160 | #define CFG_INIT_RAM_ADDR CFG_IMMR | |
161 | #define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */ | |
162 | #define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */ | |
163 | #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE) | |
164 | #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET | |
165 | ||
166 | /*----------------------------------------------------------------------- | |
167 | * Start addresses for the final memory configuration | |
168 | * (Set up by the startup code) | |
169 | * Please note that CFG_SDRAM_BASE _must_ start at 0 | |
170 | */ | |
171 | #define CFG_SDRAM_BASE 0x00000000 | |
172 | #define CFG_FLASH_BASE 0x40000000 | |
173 | #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */ | |
174 | #define CFG_MONITOR_BASE CFG_FLASH_BASE | |
175 | #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */ | |
176 | ||
177 | /* | |
178 | * For booting Linux, the board info and command line data | |
179 | * have to be in the first 8 MB of memory, since this is | |
180 | * the maximum mapped by the Linux kernel during initialization. | |
181 | */ | |
182 | #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */ | |
183 | ||
184 | /*----------------------------------------------------------------------- | |
185 | * FLASH organization | |
186 | */ | |
187 | #define CFG_MAX_FLASH_BANKS 2 /* max number of memory banks */ | |
188 | #define CFG_MAX_FLASH_SECT 67 /* max number of sectors on one chip */ | |
189 | ||
190 | #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */ | |
191 | #define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */ | |
192 | ||
193 | #define CFG_ENV_IS_IN_FLASH 1 | |
194 | #define CFG_ENV_OFFSET 0x8000 /* Offset of Environment Sector */ | |
195 | #define CFG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */ | |
196 | ||
197 | /*----------------------------------------------------------------------- | |
198 | * Cache Configuration | |
199 | */ | |
200 | #define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */ | |
201 | #if (CONFIG_COMMANDS & CFG_CMD_KGDB) | |
202 | #define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */ | |
203 | #endif | |
204 | ||
205 | /*----------------------------------------------------------------------- | |
206 | * SYPCR - System Protection Control 11-9 | |
207 | * SYPCR can only be written once after reset! | |
208 | *----------------------------------------------------------------------- | |
209 | * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze | |
210 | */ | |
211 | #if defined(CONFIG_WATCHDOG) | |
212 | #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \ | |
213 | SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP) | |
214 | #else | |
215 | #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP) | |
216 | #endif | |
217 | ||
218 | /*----------------------------------------------------------------------- | |
219 | * SIUMCR - SIU Module Configuration 11-6 | |
220 | *----------------------------------------------------------------------- | |
221 | * PCMCIA config., multi-function pin tri-state | |
222 | */ | |
223 | #define CFG_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01 | SIUMCR_DLK) | |
224 | ||
225 | /*----------------------------------------------------------------------- | |
226 | * Clock Setting - Has the Lantec board a 32kHz clock ??? [XXX] | |
227 | *----------------------------------------------------------------------- | |
228 | */ | |
229 | #define CONFIG_8xx_GCLK_FREQ 33000000 | |
230 | ||
231 | /*----------------------------------------------------------------------- | |
232 | * TBSCR - Time Base Status and Control 11-26 | |
233 | *----------------------------------------------------------------------- | |
234 | * Clear Reference Interrupt Status, Timebase freezing enabled | |
235 | */ | |
236 | #define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF) | |
237 | ||
238 | /*----------------------------------------------------------------------- | |
239 | * RTCSC - Real-Time Clock Status and Control Register 11-27 | |
240 | *----------------------------------------------------------------------- | |
241 | */ | |
242 | #define CFG_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE) | |
243 | ||
244 | /*----------------------------------------------------------------------- | |
245 | * PISCR - Periodic Interrupt Status and Control 11-31 | |
246 | *----------------------------------------------------------------------- | |
247 | * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled | |
248 | */ | |
249 | #define CFG_PISCR (PISCR_PS | PISCR_PITF) | |
250 | ||
251 | /*----------------------------------------------------------------------- | |
252 | * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30 | |
253 | *----------------------------------------------------------------------- | |
254 | * Reset PLL lock status sticky bit, timer expired status bit and timer | |
255 | * interrupt status bit | |
256 | * | |
257 | * If this is a 80 MHz CPU, set PLL multiplication factor to 5 (5*16=80)! | |
258 | */ | |
259 | /* up to 50 MHz we use a 1:1 clock */ | |
260 | #define CFG_PLPRCR (PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST) | |
261 | ||
262 | /*----------------------------------------------------------------------- | |
263 | * SCCR - System Clock and reset Control Register 15-27 | |
264 | *----------------------------------------------------------------------- | |
265 | * Set clock output, timebase and RTC source and divider, | |
266 | * power management and some other internal clocks | |
267 | */ | |
268 | #define SCCR_MASK SCCR_EBDF11 | |
269 | /* up to 50 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 | ||
275 | /*----------------------------------------------------------------------- | |
276 | * | |
277 | *----------------------------------------------------------------------- | |
278 | * | |
279 | */ | |
8966f337 WD |
280 | #define CFG_DER 0 |
281 | ||
282 | /* | |
283 | * Init Memory Controller: | |
284 | * | |
285 | * BR0/5 and OR0/5 (FLASH) | |
286 | */ | |
287 | ||
288 | #define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */ | |
289 | #define FLASH_BASE5_PRELIM 0x60000000 /* FLASH bank #1 */ | |
290 | ||
291 | /* used to re-map FLASH both when starting from SRAM or FLASH: | |
292 | * restrict access enough to keep SRAM working (if any) | |
293 | * but not too much to meddle with FLASH accesses | |
294 | */ | |
295 | #define CFG_REMAP_OR_AM 0x80000000 /* OR addr mask */ | |
296 | #define CFG_PRELIM_OR_AM 0xE0000000 /* OR addr mask */ | |
297 | ||
298 | /* FLASH timing */ | |
299 | #define CFG_OR_TIMING_FLASH (OR_CSNT_SAM | OR_BI | \ | |
8bde7f77 | 300 | OR_SCY_5_CLK | OR_TRLX) |
8966f337 WD |
301 | |
302 | #define CFG_OR0_REMAP (CFG_REMAP_OR_AM | CFG_OR_TIMING_FLASH) | |
303 | #define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH) | |
304 | #define CFG_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V ) | |
305 | ||
306 | #define CFG_OR5_REMAP CFG_OR0_REMAP | |
307 | #define CFG_OR5_PRELIM CFG_OR0_PRELIM | |
308 | #define CFG_BR5_PRELIM ((FLASH_BASE5_PRELIM & BR_BA_MSK) | BR_V ) | |
309 | ||
310 | /* | |
311 | * BR2/3 and OR2/3 (SDRAM) | |
312 | * | |
313 | */ | |
314 | #define SDRAM_BASE3_PRELIM 0x00000000 /* SDRAM bank #0 */ | |
315 | #define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB per bank */ | |
316 | ||
317 | /* SDRAM timing: Multiplexed addresses */ | |
318 | #define CFG_OR_TIMING_SDRAM (OR_CSNT_SAM) | |
319 | ||
320 | #define CFG_OR3_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_SDRAM ) | |
321 | #define CFG_BR3_PRELIM ((SDRAM_BASE3_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V ) | |
322 | ||
323 | /* | |
324 | * Memory Periodic Timer Prescaler | |
325 | */ | |
326 | ||
327 | /* refresh rate 15.6 us (= 64 ms / 4K = 62.4 / quad bursts) for <= 128 MBit */ | |
328 | #define CFG_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */ | |
329 | #define CFG_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */ | |
330 | ||
331 | /* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */ | |
332 | #define CFG_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */ | |
333 | #define CFG_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */ | |
334 | ||
335 | /* | |
336 | * MAMR settings for SDRAM | |
337 | */ | |
338 | /* periodic timer for refresh */ | |
339 | #define CFG_MAMR_PTA 97 /* start with divider for 100 MHz */ | |
340 | ||
341 | /* 8 column SDRAM */ | |
342 | #define CFG_MAMR_8COL \ | |
343 | ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \ | |
344 | MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \ | |
345 | MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X) | |
346 | ||
347 | /* | |
348 | * Internal Definitions | |
349 | * | |
350 | * Boot Flags | |
351 | */ | |
352 | #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */ | |
353 | #define BOOTFLAG_WARM 0x02 /* Software reboot */ | |
354 | ||
355 | #endif /* __CONFIG_H */ |