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1 | /* | |
2 | * (C) Copyright 2000 | |
3 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. | |
4 | * Keith Outwater, keith_outwater@mvis.com | |
5 | * | |
6 | * See file CREDITS for list of people who contributed to this | |
7 | * project. | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or | |
10 | * modify it under the terms of the GNU General Public License as | |
11 | * published by the Free Software Foundation; either version 2 of | |
12 | * the License, or (at your option) any later version. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
22 | * MA 02111-1307 USA | |
23 | */ | |
24 | ||
25 | /* | |
26 | * board/config_GEN860T.h - board specific configuration options | |
27 | */ | |
28 | ||
29 | #ifndef __CONFIG_GEN860T_H | |
30 | #define __CONFIG_H | |
31 | ||
32 | /* | |
33 | * High Level Configuration Options | |
34 | */ | |
35 | #define CONFIG_MPC860 | |
36 | #define CONFIG_GEN860T | |
37 | ||
38 | #define CONFIG_SYS_TEXT_BASE 0x40000000 | |
39 | ||
40 | /* | |
41 | * Identify the board | |
42 | */ | |
43 | #if !defined(CONFIG_SC) | |
44 | #define CONFIG_IDENT_STRING " B2" | |
45 | #else | |
46 | #define CONFIG_IDENT_STRING " SC" | |
47 | #endif | |
48 | ||
49 | /* | |
50 | * Don't depend on the RTC clock to determine clock frequency - | |
51 | * the 860's internal rtc uses a 32.768 KHz clock which is | |
52 | * generated by the DS1337 - and the DS1337 clock can be turned off. | |
53 | */ | |
54 | #if !defined(CONFIG_SC) | |
55 | #define CONFIG_8xx_GCLK_FREQ 66600000 | |
56 | #else | |
57 | #define CONFIG_8xx_GCLK_FREQ 48000000 | |
58 | #endif | |
59 | ||
60 | /* | |
61 | * The RS-232 console port is on SMC1 | |
62 | */ | |
63 | #define CONFIG_8xx_CONS_SMC1 | |
64 | #define CONFIG_BAUDRATE 38400 | |
65 | ||
66 | /* | |
67 | * Print console information | |
68 | */ | |
69 | #undef CONFIG_SYS_CONSOLE_INFO_QUIET | |
70 | ||
71 | /* | |
72 | * Set the autoboot delay in seconds. A delay of -1 disables autoboot | |
73 | */ | |
74 | #define CONFIG_BOOTDELAY 5 | |
75 | ||
76 | /* | |
77 | * Pass the clock frequency to the Linux kernel in units of MHz | |
78 | */ | |
79 | #define CONFIG_CLOCKS_IN_MHZ | |
80 | ||
81 | #define CONFIG_PREBOOT \ | |
82 | "echo;echo" | |
83 | ||
84 | #undef CONFIG_BOOTARGS | |
85 | #define CONFIG_BOOTCOMMAND \ | |
86 | "bootp;" \ | |
87 | "setenv bootargs root=/dev/nfs rw nfsroot=${serverip}:${rootpath} " \ | |
88 | "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off; " \ | |
89 | "bootm" | |
90 | ||
91 | /* | |
92 | * Turn off echo for serial download by default. Allow baud rate to be changed | |
93 | * for downloads | |
94 | */ | |
95 | #undef CONFIG_LOADS_ECHO | |
96 | #define CONFIG_SYS_LOADS_BAUD_CHANGE | |
97 | ||
98 | /* | |
99 | * Turn off the watchdog timer | |
100 | */ | |
101 | #undef CONFIG_WATCHDOG | |
102 | ||
103 | /* | |
104 | * Do not reboot if a panic occurs | |
105 | */ | |
106 | #define CONFIG_PANIC_HANG | |
107 | ||
108 | /* | |
109 | * Enable the status LED | |
110 | */ | |
111 | #define CONFIG_STATUS_LED | |
112 | ||
113 | /* | |
114 | * Reset address. We pick an address such that when an instruction | |
115 | * is executed at that address, a machine check exception occurs | |
116 | */ | |
117 | #define CONFIG_SYS_RESET_ADDRESS ((ulong) -1) | |
118 | ||
119 | /* | |
120 | * BOOTP options | |
121 | */ | |
122 | #define CONFIG_BOOTP_SUBNETMASK | |
123 | #define CONFIG_BOOTP_GATEWAY | |
124 | #define CONFIG_BOOTP_HOSTNAME | |
125 | #define CONFIG_BOOTP_BOOTPATH | |
126 | #define CONFIG_BOOTP_BOOTFILESIZE | |
127 | ||
128 | ||
129 | /* | |
130 | * The GEN860T network interface uses the on-chip 10/100 FEC with | |
131 | * an Intel LXT971A PHY connected to the 860T's MII. The PHY's | |
132 | * MII address is hardwired on the board to zero. | |
133 | */ | |
134 | #define CONFIG_FEC_ENET | |
135 | #define CONFIG_SYS_DISCOVER_PHY | |
136 | #define CONFIG_MII | |
137 | #define CONFIG_MII_INIT 1 | |
138 | #define CONFIG_PHY_ADDR 0 | |
139 | ||
140 | /* | |
141 | * Set default IP stuff just to get bootstrap entries into the | |
142 | * environment so that we can source the full default environment. | |
143 | */ | |
144 | #define CONFIG_ETHADDR 9a:52:63:15:85:25 | |
145 | #define CONFIG_SERVERIP 10.0.4.201 | |
146 | #define CONFIG_IPADDR 10.0.4.111 | |
147 | ||
148 | /* | |
149 | * This board has a 32 kibibyte EEPROM (Atmel AT24C256) connected to | |
150 | * the MPC860T I2C interface. | |
151 | */ | |
152 | #define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 | |
153 | #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 6 /* 64 byte pages */ | |
154 | #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 12 /* 10 mS w/ 20% margin */ | |
155 | #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2 /* need 16 bit address */ | |
156 | #define CONFIG_ENV_EEPROM_SIZE (32 * 1024) | |
157 | ||
158 | /* | |
159 | * Enable I2C and select the hardware/software driver | |
160 | */ | |
161 | #define CONFIG_HARD_I2C 1 /* CPM based I2C */ | |
162 | #undef CONFIG_SYS_I2C_SOFT /* Bit-banged I2C */ | |
163 | ||
164 | #ifdef CONFIG_HARD_I2C | |
165 | #define CONFIG_SYS_I2C_SPEED 100000 /* clock speed in Hz */ | |
166 | #define CONFIG_SYS_I2C_SLAVE 0xFE /* I2C slave address */ | |
167 | #endif | |
168 | ||
169 | #ifdef CONFIG_SYS_I2C_SOFT | |
170 | #define CONFIG_SYS_I2C | |
171 | #define CONFIG_SYS_I2C_SOFT_SPEED 50000 | |
172 | #define CONFIG_SYS_I2C_SOFT_SLAVE 0xFE | |
173 | #define PB_SCL 0x00000020 /* PB 26 */ | |
174 | #define PB_SDA 0x00000010 /* PB 27 */ | |
175 | #define I2C_INIT (immr->im_cpm.cp_pbdir |= PB_SCL) | |
176 | #define I2C_ACTIVE (immr->im_cpm.cp_pbdir |= PB_SDA) | |
177 | #define I2C_TRISTATE (immr->im_cpm.cp_pbdir &= ~PB_SDA) | |
178 | #define I2C_READ ((immr->im_cpm.cp_pbdat & PB_SDA) != 0) | |
179 | #define I2C_SDA(bit) if (bit) \ | |
180 | immr->im_cpm.cp_pbdat |= PB_SDA; \ | |
181 | else \ | |
182 | immr->im_cpm.cp_pbdat &= ~PB_SDA | |
183 | #define I2C_SCL(bit) if (bit) \ | |
184 | immr->im_cpm.cp_pbdat |= PB_SCL; \ | |
185 | else \ | |
186 | immr->im_cpm.cp_pbdat &= ~PB_SCL | |
187 | #define I2C_DELAY udelay(5) /* 1/4 I2C clock duration */ | |
188 | #endif | |
189 | ||
190 | /* | |
191 | * Allow environment overwrites by anyone | |
192 | */ | |
193 | #define CONFIG_ENV_OVERWRITE | |
194 | ||
195 | #if !defined(CONFIG_SC) | |
196 | /* | |
197 | * The MPC860's internal RTC is horribly broken in rev D masks. Three | |
198 | * internal MPC860T circuit nodes were inadvertently left floating; this | |
199 | * causes KAPWR current in power down mode to be three orders of magnitude | |
200 | * higher than specified in the datasheet (from 10 uA to 10 mA). No | |
201 | * reasonable battery can keep that kind RTC running during powerdown for any | |
202 | * length of time, so we use an external RTC on the I2C bus instead. | |
203 | */ | |
204 | #define CONFIG_RTC_DS1337 | |
205 | #define CONFIG_SYS_I2C_RTC_ADDR 0x68 | |
206 | ||
207 | #else | |
208 | /* | |
209 | * No external RTC on SC variant, so we're stuck with the internal one. | |
210 | */ | |
211 | #define CONFIG_RTC_MPC8xx | |
212 | #endif | |
213 | ||
214 | /* | |
215 | * Power On Self Test support | |
216 | */ | |
217 | #define CONFIG_POST ( CONFIG_SYS_POST_CACHE | \ | |
218 | CONFIG_SYS_POST_MEMORY | \ | |
219 | CONFIG_SYS_POST_CPU | \ | |
220 | CONFIG_SYS_POST_UART | \ | |
221 | CONFIG_SYS_POST_SPR ) | |
222 | ||
223 | ||
224 | /* | |
225 | * Command line configuration. | |
226 | */ | |
227 | #include <config_cmd_default.h> | |
228 | ||
229 | #define CONFIG_CMD_ASKENV | |
230 | #define CONFIG_CMD_DHCP | |
231 | #define CONFIG_CMD_I2C | |
232 | #define CONFIG_CMD_EEPROM | |
233 | #define CONFIG_CMD_REGINFO | |
234 | #define CONFIG_CMD_IMMAP | |
235 | #define CONFIG_CMD_ELF | |
236 | #define CONFIG_CMD_DATE | |
237 | #define CONFIG_CMD_FPGA | |
238 | #define CONFIG_CMD_MII | |
239 | #define CONFIG_CMD_BEDBUG | |
240 | ||
241 | #ifdef CONFIG_POST | |
242 | #define CONFIG_CMD_DIAG | |
243 | #endif | |
244 | ||
245 | /* | |
246 | * There is no IDE/PCMCIA hardware support on the board. | |
247 | */ | |
248 | #undef CONFIG_IDE_PCMCIA | |
249 | #undef CONFIG_IDE_LED | |
250 | #undef CONFIG_IDE_RESET | |
251 | ||
252 | /* | |
253 | * Enable the call to misc_init_r() for miscellaneous platform | |
254 | * dependent initialization. | |
255 | */ | |
256 | #define CONFIG_MISC_INIT_R | |
257 | ||
258 | /* | |
259 | * Enable call to last_stage_init() so we can twiddle some LEDS :) | |
260 | */ | |
261 | #define CONFIG_LAST_STAGE_INIT | |
262 | ||
263 | /* | |
264 | * Virtex2 FPGA configuration support | |
265 | */ | |
266 | #define CONFIG_FPGA_COUNT 1 | |
267 | #define CONFIG_FPGA | |
268 | #define CONFIG_FPGA_XILINX | |
269 | #define CONFIG_FPGA_VIRTEX2 | |
270 | #define CONFIG_SYS_FPGA_PROG_FEEDBACK | |
271 | ||
272 | /* | |
273 | * Verbose help from command monitor. | |
274 | */ | |
275 | #define CONFIG_SYS_LONGHELP | |
276 | #if !defined(CONFIG_SC) | |
277 | #define CONFIG_SYS_PROMPT "B2> " | |
278 | #else | |
279 | #define CONFIG_SYS_PROMPT "SC> " | |
280 | #endif | |
281 | ||
282 | ||
283 | /* | |
284 | * Use the "hush" command parser | |
285 | */ | |
286 | #define CONFIG_SYS_HUSH_PARSER | |
287 | ||
288 | /* | |
289 | * Set buffer size for console I/O | |
290 | */ | |
291 | #if defined(CONFIG_CMD_KGDB) | |
292 | #define CONFIG_SYS_CBSIZE 1024 | |
293 | #else | |
294 | #define CONFIG_SYS_CBSIZE 256 | |
295 | #endif | |
296 | ||
297 | /* | |
298 | * Print buffer size | |
299 | */ | |
300 | #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16) | |
301 | ||
302 | /* | |
303 | * Maximum number of arguments that a command can accept | |
304 | */ | |
305 | #define CONFIG_SYS_MAXARGS 16 | |
306 | ||
307 | /* | |
308 | * Boot argument buffer size | |
309 | */ | |
310 | #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE | |
311 | ||
312 | /* | |
313 | * Default memory test range | |
314 | */ | |
315 | #define CONFIG_SYS_MEMTEST_START 0x0100000 | |
316 | #define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_MEMTEST_START + (128 * 1024)) | |
317 | ||
318 | /* | |
319 | * Select the more full-featured memory test | |
320 | */ | |
321 | #define CONFIG_SYS_ALT_MEMTEST | |
322 | ||
323 | /* | |
324 | * Default load address | |
325 | */ | |
326 | #define CONFIG_SYS_LOAD_ADDR 0x01000000 | |
327 | ||
328 | /* | |
329 | * Set decrementer frequency (1 ms ticks) | |
330 | */ | |
331 | #define CONFIG_SYS_HZ 1000 | |
332 | ||
333 | /* | |
334 | * Device memory map (after SDRAM remap to 0x0): | |
335 | * | |
336 | * CS Device Base Addr Size | |
337 | * ---------------------------------------------------- | |
338 | * CS0* Flash 0x40000000 64 M | |
339 | * CS1* SDRAM 0x00000000 16 M | |
340 | * CS2* Disk-On-Chip 0x50000000 32 K | |
341 | * CS3* FPGA 0x60000000 64 M | |
342 | * CS4* SelectMap 0x70000000 32 K | |
343 | * CS5* Mil-Std 1553 I/F 0x80000000 32 K | |
344 | * CS6* Unused | |
345 | * CS7* Unused | |
346 | * IMMR 860T Registers 0xfff00000 | |
347 | */ | |
348 | ||
349 | /* | |
350 | * Base addresses and block sizes | |
351 | */ | |
352 | #define CONFIG_SYS_IMMR 0xFF000000 | |
353 | ||
354 | #define SDRAM_BASE 0x00000000 | |
355 | #define SDRAM_SIZE (64 * 1024 * 1024) | |
356 | ||
357 | #define FLASH_BASE 0x40000000 | |
358 | #define FLASH_SIZE (16 * 1024 * 1024) | |
359 | ||
360 | #define DOC_BASE 0x50000000 | |
361 | #define DOC_SIZE (32 * 1024) | |
362 | ||
363 | #define FPGA_BASE 0x60000000 | |
364 | #define FPGA_SIZE (64 * 1024 * 1024) | |
365 | ||
366 | #define SELECTMAP_BASE 0x70000000 | |
367 | #define SELECTMAP_SIZE (32 * 1024) | |
368 | ||
369 | #define M1553_BASE 0x80000000 | |
370 | #define M1553_SIZE (64 * 1024) | |
371 | ||
372 | /* | |
373 | * Definitions for initial stack pointer and data area (in DPRAM) | |
374 | */ | |
375 | #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR | |
376 | #define CONFIG_SYS_INIT_RAM_SIZE 0x2F00 /* Size of used area in DPRAM */ | |
377 | #define CONFIG_SYS_INIT_DATA_SIZE 64 /* # bytes reserved for initial data*/ | |
378 | #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - CONFIG_SYS_INIT_DATA_SIZE) | |
379 | #define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET | |
380 | ||
381 | /* | |
382 | * Start addresses for the final memory configuration | |
383 | * (Set up by the startup code) | |
384 | * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0 | |
385 | */ | |
386 | #define CONFIG_SYS_SDRAM_BASE SDRAM_BASE | |
387 | ||
388 | /* | |
389 | * FLASH organization | |
390 | */ | |
391 | #define CONFIG_SYS_FLASH_BASE FLASH_BASE | |
392 | #define CONFIG_SYS_FLASH_SIZE FLASH_SIZE | |
393 | #define CONFIG_SYS_FLASH_SECT_SIZE (128 * 1024) | |
394 | #define CONFIG_SYS_MAX_FLASH_BANKS 1 | |
395 | #define CONFIG_SYS_MAX_FLASH_SECT 128 | |
396 | ||
397 | /* | |
398 | * The timeout values are for an entire chip and are in milliseconds. | |
399 | * Yes I know that the write timeout is huge. Accroding to the | |
400 | * datasheet a single byte takes 630 uS (round to 1 ms) max at worst | |
401 | * case VCC and temp after 100K programming cycles. It works out | |
402 | * to 280 minutes (might as well be forever). | |
403 | */ | |
404 | #define CONFIG_SYS_FLASH_ERASE_TOUT (CONFIG_SYS_MAX_FLASH_SECT * 5000) | |
405 | #define CONFIG_SYS_FLASH_WRITE_TOUT (CONFIG_SYS_MAX_FLASH_SECT * 128 * 1024 * 1) | |
406 | ||
407 | /* | |
408 | * Allow direct writes to FLASH from tftp transfers (** dangerous **) | |
409 | */ | |
410 | #define CONFIG_SYS_DIRECT_FLASH_TFTP | |
411 | ||
412 | /* | |
413 | * Reserve memory for U-Boot. | |
414 | */ | |
415 | #define CONFIG_SYS_MAX_UBOOT_SECTS 4 | |
416 | #define CONFIG_SYS_MONITOR_LEN (CONFIG_SYS_MAX_UBOOT_SECTS * CONFIG_SYS_FLASH_SECT_SIZE) | |
417 | #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE | |
418 | ||
419 | /* | |
420 | * Select environment placement. NOTE that u-boot.lds must | |
421 | * be edited if this is changed! | |
422 | */ | |
423 | #undef CONFIG_ENV_IS_IN_FLASH | |
424 | #define CONFIG_ENV_IS_IN_EEPROM | |
425 | ||
426 | #if defined(CONFIG_ENV_IS_IN_EEPROM) | |
427 | #define CONFIG_ENV_SIZE (2 * 1024) | |
428 | #define CONFIG_ENV_OFFSET (CONFIG_ENV_EEPROM_SIZE - (8 * 1024)) | |
429 | #else | |
430 | #define CONFIG_ENV_SIZE 0x1000 | |
431 | #define CONFIG_ENV_SECT_SIZE CONFIG_SYS_FLASH_SECT_SIZE | |
432 | ||
433 | /* | |
434 | * This ultimately gets passed right into the linker script, so we have to | |
435 | * use a number :( | |
436 | */ | |
437 | #define CONFIG_ENV_OFFSET 0x060000 | |
438 | #endif | |
439 | ||
440 | /* | |
441 | * Reserve memory for malloc() | |
442 | */ | |
443 | #define CONFIG_SYS_MALLOC_LEN (128 * 1024) | |
444 | ||
445 | /* | |
446 | * For booting Linux, the board info and command line data | |
447 | * have to be in the first 8 MB of memory, since this is | |
448 | * the maximum mapped by the Linux kernel during initialization. | |
449 | */ | |
450 | #define CONFIG_SYS_BOOTMAPSZ (8 * 1024 * 1024) | |
451 | ||
452 | /* | |
453 | * Cache Configuration | |
454 | */ | |
455 | #define CONFIG_SYS_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */ | |
456 | #if defined(CONFIG_CMD_KGDB) | |
457 | #define CONFIG_SYS_CACHELINE_SHIFT 4 /* log base 2 of above value */ | |
458 | #endif | |
459 | ||
460 | /*------------------------------------------------------------------------ | |
461 | * SYPCR - System Protection Control UM 11-9 | |
462 | * ----------------------------------------------------------------------- | |
463 | * SYPCR can only be written once after reset! | |
464 | * | |
465 | * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze | |
466 | */ | |
467 | #if defined(CONFIG_WATCHDOG) | |
468 | #define CONFIG_SYS_SYPCR ( SYPCR_SWTC | \ | |
469 | SYPCR_BMT | \ | |
470 | SYPCR_BME | \ | |
471 | SYPCR_SWF | \ | |
472 | SYPCR_SWE | \ | |
473 | SYPCR_SWRI | \ | |
474 | SYPCR_SWP \ | |
475 | ) | |
476 | #else | |
477 | #define CONFIG_SYS_SYPCR ( SYPCR_SWTC | \ | |
478 | SYPCR_BMT | \ | |
479 | SYPCR_BME | \ | |
480 | SYPCR_SWF | \ | |
481 | SYPCR_SWP \ | |
482 | ) | |
483 | #endif | |
484 | ||
485 | /*----------------------------------------------------------------------- | |
486 | * SIUMCR - SIU Module Configuration UM 11-6 | |
487 | *----------------------------------------------------------------------- | |
488 | * Set debug pin mux, enable SPKROUT and GPLB5*. | |
489 | */ | |
490 | #define CONFIG_SYS_SIUMCR ( SIUMCR_DBGC11 | \ | |
491 | SIUMCR_DBPC11 | \ | |
492 | SIUMCR_MLRC11 | \ | |
493 | SIUMCR_GB5E \ | |
494 | ) | |
495 | ||
496 | /*----------------------------------------------------------------------- | |
497 | * TBSCR - Time Base Status and Control UM 11-26 | |
498 | *----------------------------------------------------------------------- | |
499 | * Clear Reference Interrupt Status, Timebase freeze enabled | |
500 | */ | |
501 | #define CONFIG_SYS_TBSCR ( TBSCR_REFA | \ | |
502 | TBSCR_REFB | \ | |
503 | TBSCR_TBF \ | |
504 | ) | |
505 | ||
506 | /*----------------------------------------------------------------------- | |
507 | * RTCSC - Real-Time Clock Status and Control Register UM 11-27 | |
508 | *----------------------------------------------------------------------- | |
509 | */ | |
510 | #define CONFIG_SYS_RTCSC ( RTCSC_SEC | \ | |
511 | RTCSC_ALR | \ | |
512 | RTCSC_RTF | \ | |
513 | RTCSC_RTE \ | |
514 | ) | |
515 | ||
516 | /*----------------------------------------------------------------------- | |
517 | * PISCR - Periodic Interrupt Status and Control UM 11-31 | |
518 | *----------------------------------------------------------------------- | |
519 | * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled | |
520 | */ | |
521 | #define CONFIG_SYS_PISCR ( PISCR_PS | \ | |
522 | PISCR_PITF \ | |
523 | ) | |
524 | ||
525 | /*----------------------------------------------------------------------- | |
526 | * PLPRCR - PLL, Low-Power, and Reset Control Register UM 15-30 | |
527 | *----------------------------------------------------------------------- | |
528 | * Reset PLL lock status sticky bit, timer expired status bit and timer | |
529 | * interrupt status bit. Set MF for 1:2:1 mode. | |
530 | */ | |
531 | #define CONFIG_SYS_PLPRCR ( ((0x1 << PLPRCR_MF_SHIFT) & PLPRCR_MF_MSK) | \ | |
532 | PLPRCR_SPLSS | \ | |
533 | PLPRCR_TEXPS | \ | |
534 | PLPRCR_TMIST \ | |
535 | ) | |
536 | ||
537 | /*----------------------------------------------------------------------- | |
538 | * SCCR - System Clock and reset Control Register UM 15-27 | |
539 | *----------------------------------------------------------------------- | |
540 | * Set clock output, timebase and RTC source and divider, | |
541 | * power management and some other internal clocks | |
542 | */ | |
543 | #define SCCR_MASK SCCR_EBDF11 | |
544 | ||
545 | #if !defined(CONFIG_SC) | |
546 | #define CONFIG_SYS_SCCR ( SCCR_TBS | /* timebase = GCLK/2 */ \ | |
547 | SCCR_COM00 | /* full strength CLKOUT */ \ | |
548 | SCCR_DFSYNC00 | /* SYNCLK / 1 (normal) */ \ | |
549 | SCCR_DFBRG00 | /* BRGCLK / 1 (normal) */ \ | |
550 | SCCR_DFNL000 | \ | |
551 | SCCR_DFNH000 \ | |
552 | ) | |
553 | #else | |
554 | #define CONFIG_SYS_SCCR ( SCCR_TBS | /* timebase = GCLK/2 */ \ | |
555 | SCCR_COM00 | /* full strength CLKOUT */ \ | |
556 | SCCR_DFSYNC00 | /* SYNCLK / 1 (normal) */ \ | |
557 | SCCR_DFBRG00 | /* BRGCLK / 1 (normal) */ \ | |
558 | SCCR_DFNL000 | \ | |
559 | SCCR_DFNH000 | \ | |
560 | SCCR_RTDIV | \ | |
561 | SCCR_RTSEL \ | |
562 | ) | |
563 | #endif | |
564 | ||
565 | /*----------------------------------------------------------------------- | |
566 | * DER - Debug Enable Register UM 37-46 | |
567 | *----------------------------------------------------------------------- | |
568 | * Mask all events that can cause entry into debug mode | |
569 | */ | |
570 | #define CONFIG_SYS_DER 0 | |
571 | ||
572 | /* | |
573 | * Initialize Memory Controller: | |
574 | * | |
575 | * BR0 and OR0 (FLASH memory) | |
576 | */ | |
577 | #define FLASH_BASE0_PRELIM FLASH_BASE | |
578 | ||
579 | /* | |
580 | * Flash address mask | |
581 | */ | |
582 | #define CONFIG_SYS_PRELIM_OR_AM 0xfe000000 | |
583 | ||
584 | /* | |
585 | * FLASH timing: | |
586 | * 33 Mhz bus with ACS = 11, TRLX = 1, CSNT = 1, SCY = 3, EHTR = 1 | |
587 | */ | |
588 | #define CONFIG_SYS_OR_TIMING_FLASH ( OR_CSNT_SAM | \ | |
589 | OR_ACS_DIV2 | \ | |
590 | OR_BI | \ | |
591 | OR_SCY_2_CLK | \ | |
592 | OR_TRLX | \ | |
593 | OR_EHTR \ | |
594 | ) | |
595 | ||
596 | #define CONFIG_SYS_OR0_PRELIM ( CONFIG_SYS_PRELIM_OR_AM | \ | |
597 | CONFIG_SYS_OR_TIMING_FLASH \ | |
598 | ) | |
599 | ||
600 | #define CONFIG_SYS_BR0_PRELIM ( (FLASH_BASE0_PRELIM & BR_BA_MSK) | \ | |
601 | BR_MS_GPCM | \ | |
602 | BR_PS_8 | \ | |
603 | BR_V \ | |
604 | ) | |
605 | ||
606 | /* | |
607 | * SDRAM configuration | |
608 | */ | |
609 | #define CONFIG_SYS_OR1_AM 0xfc000000 | |
610 | #define CONFIG_SYS_OR1 ( (CONFIG_SYS_OR1_AM & OR_AM_MSK) | \ | |
611 | OR_CSNT_SAM \ | |
612 | ) | |
613 | ||
614 | #define CONFIG_SYS_BR1 ( (SDRAM_BASE & BR_BA_MSK) | \ | |
615 | BR_MS_UPMA | \ | |
616 | BR_PS_32 | \ | |
617 | BR_V \ | |
618 | ) | |
619 | ||
620 | /* | |
621 | * Refresh rate 7.8 us (= 64 ms / 8K = 31.2 uS quad bursts) for one bank | |
622 | * of 256 MBit SDRAM | |
623 | */ | |
624 | #define CONFIG_SYS_MPTPR_1BK_8K MPTPR_PTP_DIV16 | |
625 | ||
626 | /* | |
627 | * Periodic timer for refresh @ 33 MHz system clock | |
628 | */ | |
629 | #define CONFIG_SYS_MAMR_PTA 64 | |
630 | ||
631 | /* | |
632 | * MAMR settings for SDRAM | |
633 | */ | |
634 | #define CONFIG_SYS_MAMR_8COL ( (CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | \ | |
635 | MAMR_PTAE | \ | |
636 | MAMR_AMA_TYPE_1 | \ | |
637 | MAMR_DSA_1_CYCL | \ | |
638 | MAMR_G0CLA_A10 | \ | |
639 | MAMR_RLFA_1X | \ | |
640 | MAMR_WLFA_1X | \ | |
641 | MAMR_TLFA_4X \ | |
642 | ) | |
643 | ||
644 | /* | |
645 | * CS2* configuration for Disk On Chip: | |
646 | * 33 MHz bus with TRLX=1, ACS=11, CSNT=1, EBDF=1, SCY=2, EHTR=1, | |
647 | * no burst. | |
648 | */ | |
649 | #define CONFIG_SYS_OR2_PRELIM ( (0xffff0000 & OR_AM_MSK) | \ | |
650 | OR_CSNT_SAM | \ | |
651 | OR_ACS_DIV2 | \ | |
652 | OR_BI | \ | |
653 | OR_SCY_2_CLK | \ | |
654 | OR_TRLX | \ | |
655 | OR_EHTR \ | |
656 | ) | |
657 | ||
658 | #define CONFIG_SYS_BR2_PRELIM ( (DOC_BASE & BR_BA_MSK) | \ | |
659 | BR_PS_8 | \ | |
660 | BR_MS_GPCM | \ | |
661 | BR_V \ | |
662 | ) | |
663 | ||
664 | /* | |
665 | * CS3* configuration for FPGA: | |
666 | * 33 MHz bus with SCY=15, no burst. | |
667 | * The FPGA uses TA and TEA to terminate bus cycles, but we | |
668 | * clear SETA and set the cycle length to a large number so that | |
669 | * the cycle will still complete even if there is a configuration | |
670 | * error that prevents TA from asserting on FPGA accesss. | |
671 | */ | |
672 | #define CONFIG_SYS_OR3_PRELIM ( (0xfc000000 & OR_AM_MSK) | \ | |
673 | OR_SCY_15_CLK | \ | |
674 | OR_BI \ | |
675 | ) | |
676 | ||
677 | #define CONFIG_SYS_BR3_PRELIM ( (FPGA_BASE & BR_BA_MSK) | \ | |
678 | BR_PS_32 | \ | |
679 | BR_MS_GPCM | \ | |
680 | BR_V \ | |
681 | ) | |
682 | /* | |
683 | * CS4* configuration for FPGA SelectMap configuration interface. | |
684 | * 33 MHz bus, UPMB, no burst. Do not assert GPLB5 on falling edge | |
685 | * of GCLK1_50 | |
686 | */ | |
687 | #define CONFIG_SYS_OR4_PRELIM ( (0xffff0000 & OR_AM_MSK) | \ | |
688 | OR_G5LS | \ | |
689 | OR_BI \ | |
690 | ) | |
691 | ||
692 | #define CONFIG_SYS_BR4_PRELIM ( (SELECTMAP_BASE & BR_BA_MSK) | \ | |
693 | BR_PS_8 | \ | |
694 | BR_MS_UPMB | \ | |
695 | BR_V \ | |
696 | ) | |
697 | ||
698 | /* | |
699 | * CS5* configuration for Mil-Std 1553 databus interface. | |
700 | * 33 MHz bus, GPCM, no burst. | |
701 | * The 1553 interface uses TA and TEA to terminate bus cycles, | |
702 | * but we clear SETA and set the cycle length to a large number so that | |
703 | * the cycle will still complete even if there is a configuration | |
704 | * error that prevents TA from asserting on FPGA accesss. | |
705 | */ | |
706 | #define CONFIG_SYS_OR5_PRELIM ( (0xffff0000 & OR_AM_MSK) | \ | |
707 | OR_SCY_15_CLK | \ | |
708 | OR_EHTR | \ | |
709 | OR_TRLX | \ | |
710 | OR_CSNT_SAM | \ | |
711 | OR_BI \ | |
712 | ) | |
713 | ||
714 | #define CONFIG_SYS_BR5_PRELIM ( (M1553_BASE & BR_BA_MSK) | \ | |
715 | BR_PS_16 | \ | |
716 | BR_MS_GPCM | \ | |
717 | BR_V \ | |
718 | ) | |
719 | ||
720 | /* | |
721 | * FEC interrupt assignment | |
722 | */ | |
723 | #define FEC_INTERRUPT SIU_LEVEL1 | |
724 | ||
725 | /* | |
726 | * Sanity checks | |
727 | */ | |
728 | #if defined(CONFIG_SCC1_ENET) && defined(CONFIG_FEC_ENET) | |
729 | #error Both CONFIG_SCC1_ENET and CONFIG_FEC_ENET configured | |
730 | #endif | |
731 | ||
732 | #endif /* __CONFIG_GEN860T_H */ |