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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 /*
39  * Identify the board
40  */
41 #if !defined(CONFIG_SC)
42 #define CONFIG_IDENT_STRING                             " B2"
43 #else
44 #define CONFIG_IDENT_STRING                             " SC"
45 #endif
46
47 /*
48  * Don't depend on the RTC clock to determine clock frequency -
49  * the 860's internal rtc uses a 32.768 KHz clock which is
50  * generated by the DS1337 - and the DS1337 clock can be turned off.
51  */
52 #if !defined(CONFIG_SC)
53 #define CONFIG_8xx_GCLK_FREQ                    66600000
54 #else
55 #define CONFIG_8xx_GCLK_FREQ                    48000000
56 #endif
57
58 /*
59  * The RS-232 console port is on SMC1
60  */
61 #define CONFIG_8xx_CONS_SMC1
62 #define CONFIG_BAUDRATE                                 38400
63
64 /*
65  * Set allowable console baud rates
66  */
67 #define CFG_BAUDRATE_TABLE                              { 9600,         \
68                                                                                   19200,        \
69                                                                                   38400,        \
70                                                                                   57600,        \
71                                                                                   115200,       \
72                                                                                 }
73
74 /*
75  * Print console information
76  */
77 #undef   CFG_CONSOLE_INFO_QUIET
78
79 /*
80  * Set the autoboot delay in seconds.  A delay of -1 disables autoboot
81  */
82 #define CONFIG_BOOTDELAY                                5
83
84 /*
85  * Pass the clock frequency to the Linux kernel in units of MHz
86  */
87 #define CONFIG_CLOCKS_IN_MHZ
88
89 #define CONFIG_PREBOOT          \
90         "echo;echo"
91
92 #undef  CONFIG_BOOTARGS
93 #define CONFIG_BOOTCOMMAND      \
94         "bootp;" \
95         "setenv bootargs root=/dev/nfs rw nfsroot=${serverip}:${rootpath} " \
96         "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off; " \
97         "bootm"
98
99 /*
100  * Turn off echo for serial download by default.  Allow baud rate to be changed
101  * for downloads
102  */
103 #undef  CONFIG_LOADS_ECHO
104 #define CFG_LOADS_BAUD_CHANGE
105
106 /*
107  * Set default load address for tftp network downloads
108  */
109 #define CFG_TFTP_LOADADDR                               0x01000000
110
111 /*
112  * Turn off the watchdog timer
113  */
114 #undef  CONFIG_WATCHDOG
115
116 /*
117  * Do not reboot if a panic occurs
118  */
119 #define CONFIG_PANIC_HANG
120
121 /*
122  * Enable the status LED
123  */
124 #define CONFIG_STATUS_LED
125
126 /*
127  * Reset address. We pick an address such that when an instruction
128  * is executed at that address, a machine check exception occurs
129  */
130 #define CFG_RESET_ADDRESS                               ((ulong) -1)
131
132 /*
133  * BOOTP options
134  */
135 #define CONFIG_BOOTP_MASK                               ( CONFIG_BOOTP_DEFAULT          | \
136                                                                                   CONFIG_BOOTP_BOOTFILESIZE   \
137                                                                                 )
138
139 /*
140  * The GEN860T network interface uses the on-chip 10/100 FEC with
141  * an Intel LXT971A PHY connected to the 860T's MII. The PHY's
142  * MII address is hardwired on the board to zero.
143  */
144 #define CONFIG_FEC_ENET
145 #define CFG_DISCOVER_PHY
146 #define CONFIG_MII
147 #define CONFIG_PHY_ADDR                         0
148
149 /*
150  * Set default IP stuff just to get bootstrap entries into the
151  * environment so that we can autoscript the full default environment.
152  */
153 #define CONFIG_ETHADDR                                  9a:52:63:15:85:25
154 #define CONFIG_SERVERIP                                 10.0.4.201
155 #define CONFIG_IPADDR                                   10.0.4.111
156
157 /*
158  * This board has a 32 kibibyte EEPROM (Atmel AT24C256) connected to
159  * the MPC860T I2C interface.
160  */
161 #define CFG_I2C_EEPROM_ADDR                             0x50
162 #define CFG_EEPROM_PAGE_WRITE_BITS              6               /* 64 byte pages                */
163 #define CFG_EEPROM_PAGE_WRITE_DELAY_MS  12              /* 10 mS w/ 20% margin  */
164 #define CFG_I2C_EEPROM_ADDR_LEN                 2               /* need 16 bit address  */
165 #define CFG_ENV_EEPROM_SIZE                             (32 * 1024)
166
167 /*
168  * Enable I2C and select the hardware/software driver
169  */
170 #define CONFIG_HARD_I2C         1                               /* CPM based I2C                        */
171 #undef  CONFIG_SOFT_I2C                                 /* Bit-banged I2C                       */
172
173 #ifdef CONFIG_HARD_I2C
174 #define CFG_I2C_SPEED           100000                  /* clock speed in Hz            */
175 #define CFG_I2C_SLAVE           0xFE                    /* I2C slave address            */
176 #endif
177
178 #ifdef CONFIG_SOFT_I2C
179 #define PB_SCL                          0x00000020              /* PB 26                                        */
180 #define PB_SDA                          0x00000010              /* PB 27                                        */
181 #define I2C_INIT                        (immr->im_cpm.cp_pbdir |=  PB_SCL)
182 #define I2C_ACTIVE                      (immr->im_cpm.cp_pbdir |=  PB_SDA)
183 #define I2C_TRISTATE            (immr->im_cpm.cp_pbdir &= ~PB_SDA)
184 #define I2C_READ                        ((immr->im_cpm.cp_pbdat & PB_SDA) != 0)
185 #define I2C_SDA(bit)            if(bit) immr->im_cpm.cp_pbdat |=  PB_SDA; \
186                                                                 else    immr->im_cpm.cp_pbdat &= ~PB_SDA
187 #define I2C_SCL(bit)            if(bit) immr->im_cpm.cp_pbdat |=  PB_SCL; \
188                                                                 else    immr->im_cpm.cp_pbdat &= ~PB_SCL
189 #define I2C_DELAY                       udelay(5)               /* 1/4 I2C clock duration       */
190 #endif
191
192 /*
193  * Allow environment overwrites by anyone
194  */
195 #define CONFIG_ENV_OVERWRITE
196
197 #if !defined(CONFIG_SC)
198 /*
199  * The MPC860's internal RTC is horribly broken in rev D masks. Three
200  * internal MPC860T circuit nodes were inadvertently left floating; this
201  * causes KAPWR current in power down mode to be three orders of magnitude
202  * higher than specified in the datasheet (from 10 uA to 10 mA).  No
203  * reasonable battery can keep that kind RTC running during powerdown for any
204  * length of time, so we use an external RTC on the I2C bus instead.
205  */
206 #define CONFIG_RTC_DS1337
207 #define CFG_I2C_RTC_ADDR                                0x68
208
209 #else
210 /*
211  * No external RTC on SC variant, so we're stuck with the internal one.
212  */
213 #define CONFIG_RTC_MPC8xx
214 #endif
215
216 /*
217  * Power On Self Test support
218  */
219 #define CONFIG_POST                       ( CFG_POST_CACHE              | \
220                                                                 CFG_POST_MEMORY         | \
221                                                                 CFG_POST_CPU            | \
222                                                                 CFG_POST_UART           | \
223                                                                 CFG_POST_SPR )
224
225 #ifdef CONFIG_POST
226 #define CFG_CMD_POST_DIAG CFG_CMD_DIAG
227 #else
228 #define CFG_CMD_POST_DIAG               0
229 #endif
230
231 /*
232  * List of available monitor commands.  Use the system default list
233  * plus add some of the "non-standard" commands back in.
234  * See ./cmd_confdefs.h
235  */
236 #define BASE_CONFIG_COMMANDS    ( CONFIG_CMD_DFL        | \
237                                                                 CFG_CMD_ASKENV  | \
238                                                                 CFG_CMD_DHCP    | \
239                                                                 CFG_CMD_I2C             | \
240                                                                 CFG_CMD_EEPROM  | \
241                                                                 CFG_CMD_REGINFO | \
242                                                                 CFG_CMD_IMMAP   | \
243                                                                 CFG_CMD_ELF             | \
244                                                                 CFG_CMD_DATE    | \
245                                                                 CFG_CMD_FPGA    | \
246                                                                 CFG_CMD_MII     | \
247                                                                 CFG_CMD_BEDBUG  | \
248                                                                 CFG_CMD_POST_DIAG )
249
250 #if !defined(CONFIG_SC)
251 #define CONFIG_COMMANDS ( BASE_CONFIG_COMMANDS | CFG_CMD_DOC )
252 #else
253 #define CONFIG_COMMANDS BASE_CONFIG_COMMANDS
254 #endif
255
256 /*
257  * There is no IDE/PCMCIA hardware support on the board.
258  */
259 #undef  CONFIG_IDE_PCMCIA
260 #undef  CONFIG_IDE_LED
261 #undef  CONFIG_IDE_RESET
262
263 /*
264  * Enable the call to misc_init_r() for miscellaneous platform
265  * dependent initialization.
266  */
267 #define CONFIG_MISC_INIT_R
268
269 /*
270  * Enable call to last_stage_init() so we can twiddle some LEDS :)
271  */
272 #define CONFIG_LAST_STAGE_INIT
273
274 /*
275  * Virtex2 FPGA configuration support
276  */
277 #define CONFIG_FPGA_COUNT               1
278 #define CONFIG_FPGA                             CFG_XILINX_VIRTEX2
279 #define CFG_FPGA_PROG_FEEDBACK
280
281
282 /************************************************************************
283  * This must be included AFTER the definition of any CONFIG_COMMANDS
284  */
285 #include <cmd_confdefs.h>
286
287 #define CFG_NAND_LEGACY
288
289 /*
290  * Verbose help from command monitor.
291  */
292 #define CFG_LONGHELP
293 #if !defined(CONFIG_SC)
294 #define CFG_PROMPT                      "B2> "
295 #else
296 #define CFG_PROMPT                      "SC> "
297 #endif
298
299
300 /*
301  * Use the "hush" command parser
302  */
303 #define CFG_HUSH_PARSER
304 #define CFG_PROMPT_HUSH_PS2     "> "
305
306 /*
307  * Set buffer size for console I/O
308  */
309 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
310 #define CFG_CBSIZE                      1024
311 #else
312 #define CFG_CBSIZE                      256
313 #endif
314
315 /*
316  * Print buffer size
317  */
318 #define CFG_PBSIZE (CFG_CBSIZE + sizeof(CFG_PROMPT) + 16)
319
320 /*
321  * Maximum number of arguments that a command can accept
322  */
323 #define CFG_MAXARGS                     16
324
325 /*
326  * Boot argument buffer size
327  */
328 #define CFG_BARGSIZE            CFG_CBSIZE
329
330 /*
331  * Default memory test range
332  */
333 #define CFG_MEMTEST_START       0x0100000
334 #define CFG_MEMTEST_END         (CFG_MEMTEST_START  + (128 * 1024))
335
336 /*
337  * Select the more full-featured memory test
338  */
339 #define CFG_ALT_MEMTEST
340
341 /*
342  * Default load address
343  */
344 #define CFG_LOAD_ADDR           0x01000000
345
346 /*
347  * Set decrementer frequency (1 ms ticks)
348  */
349 #define CFG_HZ                          1000
350
351 /*
352  * Device memory map (after SDRAM remap to 0x0):
353  *
354  * CS           Device                          Base Addr       Size
355  * ----------------------------------------------------
356  * CS0*         Flash                           0x40000000      64 M
357  * CS1*         SDRAM                           0x00000000      16 M
358  * CS2*         Disk-On-Chip            0x50000000      32 K
359  * CS3*         FPGA                            0x60000000      64 M
360  * CS4*         SelectMap                       0x70000000      32 K
361  * CS5*         Mil-Std 1553 I/F        0x80000000      32 K
362  * CS6*         Unused
363  * CS7*         Unused
364  * IMMR         860T Registers          0xfff00000
365  */
366
367 /*
368  * Base addresses and block sizes
369  */
370 #define CFG_IMMR                        0xFF000000
371
372 #define SDRAM_BASE                      0x00000000
373 #define SDRAM_SIZE                      (64 * 1024 * 1024)
374
375 #define FLASH_BASE                      0x40000000
376 #define FLASH_SIZE                      (16 * 1024 * 1024)
377
378 #define DOC_BASE                        0x50000000
379 #define DOC_SIZE                        (32 * 1024)
380
381 #define FPGA_BASE                       0x60000000
382 #define FPGA_SIZE                       (64 * 1024 * 1024)
383
384 #define SELECTMAP_BASE          0x70000000
385 #define SELECTMAP_SIZE          (32 * 1024)
386
387 #define M1553_BASE                      0x80000000
388 #define M1553_SIZE                      (64 * 1024)
389
390 /*
391  * Definitions for initial stack pointer and data area (in DPRAM)
392  */
393 #define CFG_INIT_RAM_ADDR               CFG_IMMR
394 #define CFG_INIT_RAM_END                0x2F00  /* End of used area in DPRAM            */
395 #define CFG_INIT_DATA_SIZE              64      /* # bytes reserved for initial data*/
396 #define CFG_GBL_DATA_OFFSET             (CFG_INIT_RAM_END - CFG_INIT_DATA_SIZE)
397 #define CFG_INIT_SP_OFFSET              CFG_GBL_DATA_OFFSET
398
399 /*
400  * Start addresses for the final memory configuration
401  * (Set up by the startup code)
402  * Please note that CFG_SDRAM_BASE _must_ start at 0
403  */
404 #define CFG_SDRAM_BASE                  SDRAM_BASE
405
406 /*
407  * FLASH organization
408  */
409 #define CFG_FLASH_BASE                  FLASH_BASE
410 #define CFG_FLASH_SIZE                  FLASH_SIZE
411 #define CFG_FLASH_SECT_SIZE             (128 * 1024)
412 #define CFG_MAX_FLASH_BANKS             1
413 #define CFG_MAX_FLASH_SECT              128
414
415 /*
416  * The timeout values are for an entire chip and are in milliseconds.
417  * Yes I know that the write timeout is huge.  Accroding to the
418  * datasheet a single byte takes 630 uS (round to 1 ms) max at worst
419  * case VCC and temp after 100K programming cycles.  It works out
420  * to 280 minutes (might as well be forever).
421  */
422 #define CFG_FLASH_ERASE_TOUT    (CFG_MAX_FLASH_SECT * 5000)
423 #define CFG_FLASH_WRITE_TOUT    (CFG_MAX_FLASH_SECT * 128 * 1024 * 1)
424
425 /*
426  * Allow direct writes to FLASH from tftp transfers (** dangerous **)
427  */
428 #define CFG_DIRECT_FLASH_TFTP
429
430 /*
431  * Reserve memory for U-Boot.
432  */
433 #define CFG_MAX_UBOOT_SECTS             4
434 #define CFG_MONITOR_LEN                 (CFG_MAX_UBOOT_SECTS * CFG_FLASH_SECT_SIZE)
435 #define CFG_MONITOR_BASE                CFG_FLASH_BASE
436
437 /*
438  * Select environment placement.  NOTE that u-boot.lds must
439  * be edited if this is changed!
440  */
441 #undef  CFG_ENV_IS_IN_FLASH
442 #define CFG_ENV_IS_IN_EEPROM
443
444 #if defined(CFG_ENV_IS_IN_EEPROM)
445 #define CFG_ENV_SIZE                    (2 * 1024)
446 #define CFG_ENV_OFFSET                  (CFG_ENV_EEPROM_SIZE - (8 * 1024))
447 #else
448 #define CFG_ENV_SIZE                    0x1000
449 #define CFG_ENV_SECT_SIZE               CFG_FLASH_SECT_SIZE
450
451 /*
452  * This ultimately gets passed right into the linker script, so we have to
453  * use a number :(
454  */
455 #define CFG_ENV_OFFSET                  0x060000
456 #endif
457
458 /*
459  * Reserve memory for malloc()
460  */
461 #define CFG_MALLOC_LEN          (128 * 1024)
462
463 /*
464  * For booting Linux, the board info and command line data
465  * have to be in the first 8 MB of memory, since this is
466  * the maximum mapped by the Linux kernel during initialization.
467  */
468 #define CFG_BOOTMAPSZ           (8 * 1024 * 1024)
469
470 /*
471  * Cache Configuration
472  */
473 #define CFG_CACHELINE_SIZE              16      /* For all MPC8xx CPUs                          */
474 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
475 #define CFG_CACHELINE_SHIFT             4       /* log base 2 of above value            */
476 #endif
477
478 /*------------------------------------------------------------------------
479  * SYPCR - System Protection Control                                                    UM 11-9
480  * -----------------------------------------------------------------------
481  * SYPCR can only be written once after reset!
482  *
483  * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
484  */
485 #if defined(CONFIG_WATCHDOG)
486 #define CFG_SYPCR       ( SYPCR_SWTC    | \
487                                           SYPCR_BMT     | \
488                                           SYPCR_BME     | \
489                                           SYPCR_SWF     | \
490                                           SYPCR_SWE     | \
491                                           SYPCR_SWRI    | \
492                                           SYPCR_SWP               \
493                                         )
494 #else
495 #define CFG_SYPCR       ( SYPCR_SWTC    | \
496                                           SYPCR_BMT     | \
497                                           SYPCR_BME     | \
498                                           SYPCR_SWF     | \
499                                           SYPCR_SWP               \
500                                         )
501 #endif
502
503 /*-----------------------------------------------------------------------
504  * SIUMCR - SIU Module Configuration                                                    UM 11-6
505  *-----------------------------------------------------------------------
506  * Set debug pin mux, enable SPKROUT and GPLB5*.
507  */
508 #define CFG_SIUMCR      ( SIUMCR_DBGC11 | \
509                                           SIUMCR_DBPC11 | \
510                                           SIUMCR_MLRC11 | \
511                                           SIUMCR_GB5E     \
512                                         )
513
514 /*-----------------------------------------------------------------------
515  * TBSCR - Time Base Status and Control                                                 UM 11-26
516  *-----------------------------------------------------------------------
517  * Clear Reference Interrupt Status, Timebase freeze enabled
518  */
519 #define CFG_TBSCR       ( TBSCR_REFA | \
520                                           TBSCR_REFB | \
521                                           TBSCR_TBF        \
522                                         )
523
524 /*-----------------------------------------------------------------------
525  * RTCSC - Real-Time Clock Status and Control Register                  UM 11-27
526  *-----------------------------------------------------------------------
527  */
528 #define CFG_RTCSC       ( RTCSC_SEC     | \
529                                           RTCSC_ALR | \
530                                           RTCSC_RTF | \
531                                           RTCSC_RTE       \
532                                         )
533
534 /*-----------------------------------------------------------------------
535  * PISCR - Periodic Interrupt Status and Control                                UM 11-31
536  *-----------------------------------------------------------------------
537  * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
538  */
539 #define CFG_PISCR       ( PISCR_PS              | \
540                                           PISCR_PITF      \
541                                         )
542
543 /*-----------------------------------------------------------------------
544  * PLPRCR - PLL, Low-Power, and Reset Control Register                  UM 15-30
545  *-----------------------------------------------------------------------
546  * Reset PLL lock status sticky bit, timer expired status bit and timer
547  * interrupt status bit. Set MF for 1:2:1 mode.
548  */
549 #define CFG_PLPRCR      ( ((0x1 << PLPRCR_MF_SHIFT) & PLPRCR_MF_MSK)    | \
550                                           PLPRCR_SPLSS  | \
551                                           PLPRCR_TEXPS  | \
552                                           PLPRCR_TMIST    \
553                                         )
554
555 /*-----------------------------------------------------------------------
556  * SCCR - System Clock and reset Control Register                               UM 15-27
557  *-----------------------------------------------------------------------
558  * Set clock output, timebase and RTC source and divider,
559  * power management and some other internal clocks
560  */
561 #define SCCR_MASK   SCCR_EBDF11
562
563 #if !defined(CONFIG_SC)
564 #define CFG_SCCR        ( SCCR_TBS                      |       /* timebase = GCLK/2    */ \
565                                           SCCR_COM00            |       /* full strength CLKOUT */ \
566                                           SCCR_DFSYNC00         |       /* SYNCLK / 1 (normal)  */ \
567                                           SCCR_DFBRG00          |       /* BRGCLK / 1 (normal)  */ \
568                                           SCCR_DFNL000          | \
569                                           SCCR_DFNH000            \
570                                         )
571 #else
572 #define CFG_SCCR        ( SCCR_TBS                      |       /* timebase = GCLK/2    */ \
573                                           SCCR_COM00            |       /* full strength CLKOUT */ \
574                                           SCCR_DFSYNC00         |       /* SYNCLK / 1 (normal)  */ \
575                                           SCCR_DFBRG00          |       /* BRGCLK / 1 (normal)  */ \
576                                           SCCR_DFNL000          | \
577                                           SCCR_DFNH000          | \
578                                           SCCR_RTDIV            | \
579                                           SCCR_RTSEL              \
580                                         )
581 #endif
582
583 /*-----------------------------------------------------------------------
584  * DER - Debug Enable Register                                                                  UM 37-46
585  *-----------------------------------------------------------------------
586  * Mask all events that can cause entry into debug mode
587  */
588 #define CFG_DER                         0
589
590 /*
591  * Initialize Memory Controller:
592  *
593  * BR0 and OR0 (FLASH memory)
594  */
595 #define FLASH_BASE0_PRELIM      FLASH_BASE
596
597 /*
598  * Flash address mask
599  */
600 #define CFG_PRELIM_OR_AM        0xfe000000
601
602 /*
603  * FLASH timing:
604  * 33 Mhz bus with ACS = 11, TRLX = 1, CSNT = 1, SCY = 3, EHTR = 1
605  */
606 #define CFG_OR_TIMING_FLASH     ( OR_CSNT_SAM   | \
607                                                           OR_ACS_DIV2   | \
608                                                           OR_BI                 | \
609                                                           OR_SCY_2_CLK  | \
610                                                           OR_TRLX               | \
611                                                           OR_EHTR                 \
612                                                         )
613
614 #define CFG_OR0_PRELIM  ( CFG_PRELIM_OR_AM              | \
615                                                   CFG_OR_TIMING_FLASH     \
616                                                 )
617
618 #define CFG_BR0_PRELIM  ( (FLASH_BASE0_PRELIM & BR_BA_MSK)      | \
619                                                   BR_MS_GPCM                                            | \
620                                                   BR_PS_8                                                       | \
621                                                   BR_V                                                            \
622                                                 )
623
624 /*
625  * SDRAM configuration
626  */
627 #define CFG_OR1_AM      0xfc000000
628 #define CFG_OR1         ( (CFG_OR1_AM & OR_AM_MSK)      | \
629                                           OR_CSNT_SAM                             \
630                                         )
631
632 #define CFG_BR1         ( (SDRAM_BASE & BR_BA_MSK)      | \
633                                           BR_MS_UPMA                            | \
634                                           BR_PS_32                                      | \
635                                           BR_V                                            \
636                                         )
637
638 /*
639  * Refresh rate 7.8 us (= 64 ms / 8K = 31.2 uS quad bursts) for one bank
640  * of 256 MBit SDRAM
641  */
642 #define CFG_MPTPR_1BK_8K        MPTPR_PTP_DIV16
643
644 /*
645  * Periodic timer for refresh @ 33 MHz system clock
646  */
647 #define CFG_MAMR_PTA    64
648
649 /*
650  * MAMR settings for SDRAM
651  */
652 #define CFG_MAMR_8COL   ( (CFG_MAMR_PTA << MAMR_PTA_SHIFT)      | \
653                                                   MAMR_PTAE                             | \
654                                                   MAMR_AMA_TYPE_1                       | \
655                                                   MAMR_DSA_1_CYCL                       | \
656                                                   MAMR_G0CLA_A10                        | \
657                                                   MAMR_RLFA_1X                          | \
658                                                   MAMR_WLFA_1X                          | \
659                                                   MAMR_TLFA_4X                            \
660                                                 )
661
662 /*
663  * CS2* configuration for Disk On Chip:
664  * 33 MHz bus with TRLX=1, ACS=11, CSNT=1, EBDF=1, SCY=2, EHTR=1,
665  * no burst.
666  */
667 #define CFG_OR2_PRELIM  ( (0xffff0000 & OR_AM_MSK)      | \
668                                                   OR_CSNT_SAM                           | \
669                                                   OR_ACS_DIV2                           | \
670                                                   OR_BI                                         | \
671                                                   OR_SCY_2_CLK                          | \
672                                                   OR_TRLX                                       | \
673                                                   OR_EHTR                                         \
674                                                 )
675
676 #define CFG_BR2_PRELIM  ( (DOC_BASE & BR_BA_MSK)        | \
677                                                   BR_PS_8                                       | \
678                                                   BR_MS_GPCM                            | \
679                                                   BR_V                                            \
680                                                 )
681
682 /*
683  * CS3* configuration for FPGA:
684  * 33 MHz bus with SCY=15, no burst.
685  * The FPGA uses TA and TEA to terminate bus cycles, but we
686  * clear SETA and set the cycle length to a large number so that
687  * the cycle will still complete even if there is a configuration
688  * error that prevents TA from asserting on FPGA accesss.
689  */
690 #define CFG_OR3_PRELIM  ( (0xfc000000 & OR_AM_MSK)  | \
691                                                   OR_SCY_15_CLK                         | \
692                                                   OR_BI                                           \
693                                                 )
694
695 #define CFG_BR3_PRELIM  ( (FPGA_BASE & BR_BA_MSK)       | \
696                                                   BR_PS_32                                      | \
697                                                   BR_MS_GPCM                            | \
698                                                   BR_V                                            \
699                                                 )
700 /*
701  * CS4* configuration for FPGA SelectMap configuration interface.
702  * 33 MHz bus, UPMB, no burst. Do not assert GPLB5 on falling edge
703  * of GCLK1_50
704  */
705 #define CFG_OR4_PRELIM  ( (0xffff0000 & OR_AM_MSK)      | \
706                                                   OR_G5LS                                               | \
707                                                   OR_BI                                                   \
708                                                 )
709
710 #define CFG_BR4_PRELIM  ( (SELECTMAP_BASE & BR_BA_MSK)  | \
711                                                   BR_PS_8                                               | \
712                                                   BR_MS_UPMB                                    | \
713                                                   BR_V                                                    \
714                                                 )
715
716 /*
717  * CS5* configuration for Mil-Std 1553 databus interface.
718  * 33 MHz bus, GPCM, no burst.
719  * The 1553 interface  uses TA and TEA to terminate bus cycles,
720  * but we clear SETA and set the cycle length to a large number so that
721  * the cycle will still complete even if there is a configuration
722  * error that prevents TA from asserting on FPGA accesss.
723  */
724 #define CFG_OR5_PRELIM  ( (0xffff0000 & OR_AM_MSK)  | \
725                                                   OR_SCY_15_CLK                         | \
726                                                   OR_EHTR                                       | \
727                                                   OR_TRLX                                       | \
728                                                   OR_CSNT_SAM                           | \
729                                                   OR_BI                                           \
730                                                 )
731
732 #define CFG_BR5_PRELIM  ( (M1553_BASE & BR_BA_MSK)      | \
733                                                   BR_PS_16                                      | \
734                                                   BR_MS_GPCM                            | \
735                                                   BR_V                                            \
736                                                 )
737
738 /*
739  * Boot Flags
740  */
741 #define BOOTFLAG_COLD   0x01    /* Normal Power-On: Boot from FLASH     */
742 #define BOOTFLAG_WARM   0x02    /* Software reboot                                      */
743
744 /*
745  * Disk On Chip (millenium) configuration
746  */
747 #if !defined(CONFIG_SC)
748 #define CFG_MAX_DOC_DEVICE      1
749 #undef  CFG_DOC_SUPPORT_2000
750 #define CFG_DOC_SUPPORT_MILLENNIUM
751 #undef  CFG_DOC_PASSIVE_PROBE
752 #endif
753
754 /*
755  * FEC interrupt assignment
756  */
757 #define FEC_INTERRUPT   SIU_LEVEL1
758
759 /*
760  * Sanity checks
761  */
762 #if defined(CONFIG_SCC1_ENET) && defined(CONFIG_FEC_ENET)
763 #error Both CONFIG_SCC1_ENET and CONFIG_FEC_ENET configured
764 #endif
765
766 #endif  /* __CONFIG_GEN860T_H */
767
768 /* vim: set ts=4 tw=78 ai shiftwidth=4: */