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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 | /* | |
32 | * High Level Configuration Options | |
33 | * (easy to change) | |
34 | */ | |
35 | ||
36 | #define CONFIG_MPC850 1 /* This is a MPC850 CPU */ | |
37 | #define CONFIG_FPS850L 1 /* ...on a FingerPrint Sensor */ | |
38 | ||
39 | #undef CONFIG_8xx_CONS_SMC1 | |
40 | #define CONFIG_8xx_CONS_SMC2 1 /* Console is on SMC2 */ | |
41 | #undef CONFIG_8xx_CONS_NONE | |
42 | #define CONFIG_BAUDRATE 19200 | |
43 | #if 0 | |
44 | #define CONFIG_BOOTDELAY -1 /* autoboot disabled */ | |
45 | #else | |
46 | #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */ | |
47 | #endif | |
48 | #define CONFIG_BOOTCOMMAND "bootm 40020000" /* autoboot command */ | |
49 | ||
50 | #define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */ | |
51 | ||
52 | #define CONFIG_BOARD_TYPES 1 /* support board types */ | |
53 | ||
54 | #define CONFIG_BOOTARGS "root=/dev/nfs rw " \ | |
55 | "nfsroot=10.0.0.2:/opt/eldk/ppc_8xx " \ | |
56 | "nfsaddrs=10.0.0.99:10.0.0.2" | |
57 | ||
58 | #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */ | |
59 | #undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */ | |
60 | ||
61 | #undef CONFIG_WATCHDOG /* watchdog disabled */ | |
62 | ||
5d2ebe1b JL |
63 | |
64 | /* | |
65 | * BOOTP options | |
66 | */ | |
67 | #define CONFIG_BOOTP_SUBNETMASK | |
68 | #define CONFIG_BOOTP_GATEWAY | |
69 | #define CONFIG_BOOTP_HOSTNAME | |
70 | #define CONFIG_BOOTP_BOOTPATH | |
71 | #define CONFIG_BOOTP_BOOTFILESIZE | |
72 | #define CONFIG_BOOTP_SUBNETMASK | |
73 | #define CONFIG_BOOTP_GATEWAY | |
74 | #define CONFIG_BOOTP_HOSTNAME | |
75 | #define CONFIG_BOOTP_NISDOMAIN | |
76 | #define CONFIG_BOOTP_BOOTPATH | |
77 | #define CONFIG_BOOTP_DNS | |
78 | #define CONFIG_BOOTP_DNS2 | |
79 | #define CONFIG_BOOTP_SEND_HOSTNAME | |
80 | #define CONFIG_BOOTP_NTPSERVER | |
81 | #define CONFIG_BOOTP_TIMEOFFSET | |
75dc29eb | 82 | |
75dc29eb | 83 | |
60a0876b JL |
84 | /* |
85 | * Command line configuration. | |
86 | */ | |
87 | #include <config_cmd_default.h> | |
88 | ||
89 | #undef CONFIG_CMD_CONSOLE | |
90 | #undef CONFIG_CMD_BDI | |
91 | #undef CONFIG_CMD_LOADS | |
92 | #undef CONFIG_CMD_LOADB | |
93 | #undef CONFIG_CMD_CACHE | |
94 | ||
75dc29eb WD |
95 | |
96 | /* | |
97 | * Miscellaneous configurable options | |
98 | */ | |
99 | #define CFG_LONGHELP /* undef to save memory */ | |
100 | #define CFG_PROMPT "=> " /* Monitor Command Prompt */ | |
60a0876b | 101 | #if defined(CONFIG_CMD_KGDB) |
75dc29eb WD |
102 | #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */ |
103 | #else | |
104 | #define CFG_CBSIZE 256 /* Console I/O Buffer Size */ | |
105 | #endif | |
106 | #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */ | |
107 | #define CFG_MAXARGS 16 /* max number of command args */ | |
108 | #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */ | |
109 | ||
110 | #define CFG_MEMTEST_START 0x0400000 /* memtest works on */ | |
111 | #define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */ | |
112 | ||
113 | #define CFG_LOAD_ADDR 0x100000 /* default load address */ | |
114 | ||
115 | #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */ | |
116 | ||
117 | #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } | |
118 | ||
119 | /* | |
120 | * Low Level Configuration Settings | |
121 | * (address mappings, register initial values, etc.) | |
122 | * You should know what you are doing if you make changes here. | |
123 | */ | |
124 | /*----------------------------------------------------------------------- | |
125 | * Internal Memory Mapped Register | |
126 | */ | |
127 | #define CFG_IMMR 0xFFF00000 | |
128 | ||
129 | /*----------------------------------------------------------------------- | |
130 | * Definitions for initial stack pointer and data area (in DPRAM) | |
131 | */ | |
132 | #define CFG_INIT_RAM_ADDR CFG_IMMR | |
133 | #define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */ | |
134 | #define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */ | |
135 | #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE) | |
136 | #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET | |
137 | ||
138 | /*----------------------------------------------------------------------- | |
139 | * Start addresses for the final memory configuration | |
140 | * (Set up by the startup code) | |
141 | * Please note that CFG_SDRAM_BASE _must_ start at 0 | |
142 | */ | |
143 | #define CFG_SDRAM_BASE 0x00000000 | |
144 | #define CFG_FLASH_BASE 0x40000000 | |
75dc29eb | 145 | #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */ |
75dc29eb WD |
146 | #define CFG_MONITOR_BASE CFG_FLASH_BASE |
147 | #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */ | |
148 | ||
149 | /* | |
150 | * For booting Linux, the board info and command line data | |
151 | * have to be in the first 8 MB of memory, since this is | |
152 | * the maximum mapped by the Linux kernel during initialization. | |
153 | */ | |
154 | #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */ | |
46a414dc | 155 | |
75dc29eb WD |
156 | /*----------------------------------------------------------------------- |
157 | * FLASH organization | |
158 | */ | |
159 | #define CFG_MAX_FLASH_BANKS 2 /* max number of memory banks */ | |
46a414dc | 160 | #define CFG_MAX_FLASH_SECT 71 /* max number of sectors on one chip */ |
75dc29eb WD |
161 | |
162 | #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */ | |
163 | #define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */ | |
164 | ||
165 | #define CFG_ENV_IS_IN_FLASH 1 | |
166 | #define CFG_ENV_OFFSET 0x8000 /* Offset of Environment Sector */ | |
167 | #define CFG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */ | |
168 | ||
46a414dc WD |
169 | /* Address and size of Redundant Environment Sector */ |
170 | #define CFG_ENV_OFFSET_REDUND (CFG_ENV_OFFSET+CFG_ENV_SIZE) | |
171 | #define CFG_ENV_SIZE_REDUND (CFG_ENV_SIZE) | |
172 | ||
75dc29eb WD |
173 | /*----------------------------------------------------------------------- |
174 | * Hardware Information Block | |
175 | */ | |
176 | #define CFG_HWINFO_OFFSET 0x0003FFC0 /* offset of HW Info block */ | |
177 | #define CFG_HWINFO_SIZE 0x00000040 /* size of HW Info block */ | |
178 | #define CFG_HWINFO_MAGIC 0x54514D38 /* 'TQM8' */ | |
179 | ||
180 | /*----------------------------------------------------------------------- | |
181 | * Cache Configuration | |
182 | */ | |
183 | #define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */ | |
60a0876b | 184 | #if defined(CONFIG_CMD_KGDB) |
75dc29eb WD |
185 | #define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */ |
186 | #endif | |
187 | ||
188 | /*----------------------------------------------------------------------- | |
189 | * SYPCR - System Protection Control 11-9 | |
190 | * SYPCR can only be written once after reset! | |
191 | *----------------------------------------------------------------------- | |
192 | * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze | |
193 | */ | |
194 | #if defined(CONFIG_WATCHDOG) | |
195 | #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \ | |
196 | SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP) | |
197 | #else | |
198 | #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP) | |
199 | #endif | |
200 | ||
201 | /*----------------------------------------------------------------------- | |
202 | * SIUMCR - SIU Module Configuration 11-6 | |
203 | *----------------------------------------------------------------------- | |
204 | * PCMCIA config., multi-function pin tri-state | |
205 | */ | |
206 | #define CFG_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01) | |
207 | ||
208 | /*----------------------------------------------------------------------- | |
209 | * TBSCR - Time Base Status and Control 11-26 | |
210 | *----------------------------------------------------------------------- | |
211 | * Clear Reference Interrupt Status, Timebase freezing enabled | |
212 | */ | |
213 | #define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF) | |
214 | ||
215 | /*----------------------------------------------------------------------- | |
216 | * RTCSC - Real-Time Clock Status and Control Register 11-27 | |
217 | *----------------------------------------------------------------------- | |
218 | */ | |
219 | #define CFG_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE) | |
220 | ||
221 | /*----------------------------------------------------------------------- | |
222 | * PISCR - Periodic Interrupt Status and Control 11-31 | |
223 | *----------------------------------------------------------------------- | |
224 | * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled | |
225 | */ | |
226 | #define CFG_PISCR (PISCR_PS | PISCR_PITF) | |
227 | ||
228 | /*----------------------------------------------------------------------- | |
229 | * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30 | |
230 | *----------------------------------------------------------------------- | |
231 | * Reset PLL lock status sticky bit, timer expired status bit and timer | |
232 | * interrupt status bit - leave PLL multiplication factor unchanged ! | |
233 | */ | |
234 | #define CFG_PLPRCR (PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST) | |
235 | ||
236 | /*----------------------------------------------------------------------- | |
237 | * SCCR - System Clock and reset Control Register 15-27 | |
238 | *----------------------------------------------------------------------- | |
239 | * Set clock output, timebase and RTC source and divider, | |
240 | * power management and some other internal clocks | |
241 | */ | |
242 | #define SCCR_MASK SCCR_EBDF11 | |
243 | #define CFG_SCCR (SCCR_TBS | \ | |
244 | SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \ | |
245 | SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \ | |
246 | SCCR_DFALCD00) | |
247 | ||
248 | /*----------------------------------------------------------------------- | |
249 | * PCMCIA stuff | |
250 | *----------------------------------------------------------------------- | |
251 | * | |
252 | */ | |
253 | #define CFG_PCMCIA_MEM_ADDR (0xE0000000) | |
254 | #define CFG_PCMCIA_MEM_SIZE ( 64 << 20 ) | |
255 | #define CFG_PCMCIA_DMA_ADDR (0xE4000000) | |
256 | #define CFG_PCMCIA_DMA_SIZE ( 64 << 20 ) | |
257 | #define CFG_PCMCIA_ATTRB_ADDR (0xE8000000) | |
258 | #define CFG_PCMCIA_ATTRB_SIZE ( 64 << 20 ) | |
259 | #define CFG_PCMCIA_IO_ADDR (0xEC000000) | |
260 | #define CFG_PCMCIA_IO_SIZE ( 64 << 20 ) | |
261 | ||
262 | /*----------------------------------------------------------------------- | |
263 | * | |
264 | *----------------------------------------------------------------------- | |
265 | * | |
266 | */ | |
75dc29eb WD |
267 | #define CFG_DER 0 |
268 | ||
269 | /* | |
270 | * Init Memory Controller: | |
271 | * | |
272 | * BR0/1 and OR0/1 (FLASH) | |
273 | */ | |
274 | ||
275 | #define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */ | |
276 | #define FLASH_BASE1_PRELIM 0x60000000 /* FLASH bank #0 */ | |
277 | ||
278 | /* used to re-map FLASH both when starting from SRAM or FLASH: | |
279 | * restrict access enough to keep SRAM working (if any) | |
280 | * but not too much to meddle with FLASH accesses | |
281 | */ | |
282 | #define CFG_REMAP_OR_AM 0x80000000 /* OR addr mask */ | |
283 | #define CFG_PRELIM_OR_AM 0xE0000000 /* OR addr mask */ | |
284 | ||
46a414dc WD |
285 | /* |
286 | * FLASH timing: | |
287 | */ | |
288 | #define CFG_OR_TIMING_FLASH (OR_ACS_DIV1 | OR_TRLX | OR_CSNT_SAM | \ | |
289 | OR_SCY_3_CLK | OR_EHTR | OR_BI) | |
75dc29eb WD |
290 | |
291 | #define CFG_OR0_REMAP (CFG_REMAP_OR_AM | CFG_OR_TIMING_FLASH) | |
292 | #define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH) | |
293 | #define CFG_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V ) | |
294 | ||
295 | #define CFG_OR1_REMAP CFG_OR0_REMAP | |
296 | #define CFG_OR1_PRELIM CFG_OR0_PRELIM | |
297 | #define CFG_BR1_PRELIM ((FLASH_BASE1_PRELIM & BR_BA_MSK) | BR_V ) | |
298 | ||
299 | /* | |
300 | * BR2/3 and OR2/3 (SDRAM) | |
301 | * | |
302 | */ | |
303 | #define SDRAM_BASE2_PRELIM 0x00000000 /* SDRAM bank #0 */ | |
304 | #define SDRAM_BASE3_PRELIM 0x20000000 /* SDRAM bank #1 */ | |
305 | #define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB per bank */ | |
306 | ||
307 | /* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */ | |
308 | #define CFG_OR_TIMING_SDRAM 0x00000A00 | |
309 | ||
310 | #define CFG_OR2_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_SDRAM ) | |
311 | #define CFG_BR2_PRELIM ((SDRAM_BASE2_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V ) | |
312 | ||
313 | #define CFG_OR3_PRELIM CFG_OR2_PRELIM | |
314 | #define CFG_BR3_PRELIM ((SDRAM_BASE3_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V ) | |
315 | ||
316 | /* | |
317 | * Memory Periodic Timer Prescaler | |
46a414dc WD |
318 | * |
319 | * The Divider for PTA (refresh timer) configuration is based on an | |
320 | * example SDRAM configuration (64 MBit, one bank). The adjustment to | |
321 | * the number of chip selects (NCS) and the actually needed refresh | |
322 | * rate is done by setting MPTPR. | |
323 | * | |
324 | * PTA is calculated from | |
325 | * PTA = (gclk * Trefresh) / ((2 ^ (2 * DFBRG)) * PTP * NCS) | |
326 | * | |
327 | * gclk CPU clock (not bus clock!) | |
328 | * Trefresh Refresh cycle * 4 (four word bursts used) | |
329 | * | |
330 | * 4096 Rows from SDRAM example configuration | |
331 | * 1000 factor s -> ms | |
332 | * 32 PTP (pre-divider from MPTPR) from SDRAM example configuration | |
333 | * 4 Number of refresh cycles per period | |
334 | * 64 Refresh cycle in ms per number of rows | |
335 | * -------------------------------------------- | |
336 | * Divider = 4096 * 32 * 1000 / (4 * 64) = 512000 | |
337 | * | |
338 | * 50 MHz => 50.000.000 / Divider = 98 | |
339 | * 66 Mhz => 66.000.000 / Divider = 129 | |
340 | * 80 Mhz => 80.000.000 / Divider = 156 | |
75dc29eb WD |
341 | */ |
342 | ||
46a414dc WD |
343 | #define CFG_PTA_PER_CLK ((4096 * 32 * 1000) / (4 * 64)) |
344 | #define CFG_MAMR_PTA 98 | |
75dc29eb | 345 | |
46a414dc WD |
346 | /* |
347 | * For 16 MBit, refresh rates could be 31.3 us | |
348 | * (= 64 ms / 2K = 125 / quad bursts). | |
349 | * For a simpler initialization, 15.6 us is used instead. | |
350 | * | |
351 | * #define CFG_MPTPR_2BK_2K MPTPR_PTP_DIV32 for 2 banks | |
352 | * #define CFG_MPTPR_1BK_2K MPTPR_PTP_DIV64 for 1 bank | |
353 | */ | |
75dc29eb WD |
354 | #define CFG_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */ |
355 | #define CFG_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */ | |
356 | ||
357 | /* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */ | |
358 | #define CFG_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */ | |
359 | #define CFG_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */ | |
360 | ||
361 | /* | |
362 | * MAMR settings for SDRAM | |
363 | */ | |
364 | ||
365 | /* 8 column SDRAM */ | |
366 | #define CFG_MAMR_8COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \ | |
367 | MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \ | |
368 | MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X) | |
369 | /* 9 column SDRAM */ | |
370 | #define CFG_MAMR_9COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \ | |
371 | MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \ | |
372 | MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X) | |
373 | ||
374 | ||
375 | /* | |
376 | * Internal Definitions | |
377 | * | |
378 | * Boot Flags | |
379 | */ | |
380 | #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */ | |
381 | #define BOOTFLAG_WARM 0x02 /* Software reboot */ | |
382 | ||
383 | #endif /* __CONFIG_H */ |