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wdenk5b1d7132002-11-03 00:07:02 +00001/*
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 */
wdenk541a76d2003-05-03 15:50:43 +000041#if !defined(CONFIG_SC)
42#define CONFIG_IDENT_STRING " B2"
43#else
44#define CONFIG_IDENT_STRING " SC"
45#endif
wdenk5b1d7132002-11-03 00:07:02 +000046
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 */
wdenk541a76d2003-05-03 15:50:43 +000052#if !defined(CONFIG_SC)
wdenk57b2d802003-06-27 21:31:46 +000053#define CONFIG_8xx_GCLK_FREQ 66600000
wdenk541a76d2003-05-03 15:50:43 +000054#else
55#define CONFIG_8xx_GCLK_FREQ 48000000
56#endif
wdenk5b1d7132002-11-03 00:07:02 +000057
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;" \
Wolfgang Denk86eb3b72005-11-20 21:40:11 +010095 "setenv bootargs root=/dev/nfs rw nfsroot=${serverip}:${rootpath} " \
96 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off; " \
wdenk5b1d7132002-11-03 00:07:02 +000097 "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
wdenk541a76d2003-05-03 15:50:43 +0000154#define CONFIG_SERVERIP 10.0.4.201
wdenk5b1d7132002-11-03 00:07:02 +0000155#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
wdenk5b1d7132002-11-03 00:07:02 +0000167/*
wdenk541a76d2003-05-03 15:50:43 +0000168 * Enable I2C and select the hardware/software driver
wdenk5b1d7132002-11-03 00:07:02 +0000169 */
wdenk541a76d2003-05-03 15:50:43 +0000170#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
wdenk5b1d7132002-11-03 00:07:02 +0000179#define PB_SCL 0x00000020 /* PB 26 */
180#define PB_SDA 0x00000010 /* PB 27 */
wdenk5b1d7132002-11-03 00:07:02 +0000181#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 */
wdenk541a76d2003-05-03 15:50:43 +0000190#endif
wdenk5b1d7132002-11-03 00:07:02 +0000191
192/*
193 * Allow environment overwrites by anyone
194 */
195#define CONFIG_ENV_OVERWRITE
196
wdenk541a76d2003-05-03 15:50:43 +0000197#if !defined(CONFIG_SC)
wdenk5b1d7132002-11-03 00:07:02 +0000198/*
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 */
wdenk5b1d7132002-11-03 00:07:02 +0000206#define CONFIG_RTC_DS1337
wdenk57b2d802003-06-27 21:31:46 +0000207#define CFG_I2C_RTC_ADDR 0x68
wdenk5b1d7132002-11-03 00:07:02 +0000208
wdenk541a76d2003-05-03 15:50:43 +0000209#else
wdenk5b1d7132002-11-03 00:07:02 +0000210/*
wdenk541a76d2003-05-03 15:50:43 +0000211 * No external RTC on SC variant, so we're stuck with the internal one.
wdenk5b1d7132002-11-03 00:07:02 +0000212 */
wdenk541a76d2003-05-03 15:50:43 +0000213#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
wdenk5b1d7132002-11-03 00:07:02 +0000230
Jon Loeliger257c3c72007-07-07 21:04:26 -0500231
wdenk5b1d7132002-11-03 00:07:02 +0000232/*
Jon Loeliger257c3c72007-07-07 21:04:26 -0500233 * Command line configuration.
wdenk5b1d7132002-11-03 00:07:02 +0000234 */
Jon Loeliger257c3c72007-07-07 21:04:26 -0500235#include <config_cmd_default.h>
236
237#define CONFIG_CMD_ASKENV
238#define CONFIG_CMD_DHCP
239#define CONFIG_CMD_I2C
240#define CONFIG_CMD_EEPROM
241#define CONFIG_CMD_REGINFO
242#define CONFIG_CMD_IMMAP
243#define CONFIG_CMD_ELF
244#define CONFIG_CMD_DATE
245#define CONFIG_CMD_FPGA
246#define CONFIG_CMD_MII
247#define CONFIG_CMD_BEDBUG
248#define CONFIG_CMD_POST_DIAG
wdenk541a76d2003-05-03 15:50:43 +0000249
250#if !defined(CONFIG_SC)
Jon Loeliger257c3c72007-07-07 21:04:26 -0500251 #define CONFIG_CMD_DOC
wdenk541a76d2003-05-03 15:50:43 +0000252#endif
wdenk5b1d7132002-11-03 00:07:02 +0000253
Jon Loeliger257c3c72007-07-07 21:04:26 -0500254
wdenk5b1d7132002-11-03 00:07:02 +0000255/*
256 * There is no IDE/PCMCIA hardware support on the board.
257 */
258#undef CONFIG_IDE_PCMCIA
259#undef CONFIG_IDE_LED
260#undef CONFIG_IDE_RESET
261
262/*
263 * Enable the call to misc_init_r() for miscellaneous platform
264 * dependent initialization.
265 */
266#define CONFIG_MISC_INIT_R
267
268/*
269 * Enable call to last_stage_init() so we can twiddle some LEDS :)
270 */
271#define CONFIG_LAST_STAGE_INIT
272
273/*
274 * Virtex2 FPGA configuration support
275 */
276#define CONFIG_FPGA_COUNT 1
277#define CONFIG_FPGA CFG_XILINX_VIRTEX2
278#define CFG_FPGA_PROG_FEEDBACK
279
280
Bartlomiej Sieka582f1a32006-03-05 18:57:33 +0100281#define CFG_NAND_LEGACY
282
wdenk5b1d7132002-11-03 00:07:02 +0000283/*
284 * Verbose help from command monitor.
285 */
286#define CFG_LONGHELP
wdenk541a76d2003-05-03 15:50:43 +0000287#if !defined(CONFIG_SC)
288#define CFG_PROMPT "B2> "
289#else
290#define CFG_PROMPT "SC> "
291#endif
292
wdenk5b1d7132002-11-03 00:07:02 +0000293
294/*
295 * Use the "hush" command parser
296 */
297#define CFG_HUSH_PARSER
298#define CFG_PROMPT_HUSH_PS2 "> "
299
300/*
301 * Set buffer size for console I/O
302 */
Jon Loeliger257c3c72007-07-07 21:04:26 -0500303#if defined(CONFIG_CMD_KGDB)
wdenk5b1d7132002-11-03 00:07:02 +0000304#define CFG_CBSIZE 1024
305#else
306#define CFG_CBSIZE 256
307#endif
308
309/*
310 * Print buffer size
311 */
312#define CFG_PBSIZE (CFG_CBSIZE + sizeof(CFG_PROMPT) + 16)
313
314/*
315 * Maximum number of arguments that a command can accept
316 */
317#define CFG_MAXARGS 16
318
319/*
320 * Boot argument buffer size
321 */
322#define CFG_BARGSIZE CFG_CBSIZE
323
324/*
325 * Default memory test range
326 */
327#define CFG_MEMTEST_START 0x0100000
328#define CFG_MEMTEST_END (CFG_MEMTEST_START + (128 * 1024))
329
330/*
331 * Select the more full-featured memory test
332 */
333#define CFG_ALT_MEMTEST
334
335/*
336 * Default load address
337 */
338#define CFG_LOAD_ADDR 0x01000000
339
340/*
341 * Set decrementer frequency (1 ms ticks)
342 */
343#define CFG_HZ 1000
344
345/*
346 * Device memory map (after SDRAM remap to 0x0):
347 *
348 * CS Device Base Addr Size
349 * ----------------------------------------------------
350 * CS0* Flash 0x40000000 64 M
351 * CS1* SDRAM 0x00000000 16 M
352 * CS2* Disk-On-Chip 0x50000000 32 K
353 * CS3* FPGA 0x60000000 64 M
354 * CS4* SelectMap 0x70000000 32 K
355 * CS5* Mil-Std 1553 I/F 0x80000000 32 K
356 * CS6* Unused
357 * CS7* Unused
358 * IMMR 860T Registers 0xfff00000
359 */
360
361/*
362 * Base addresses and block sizes
363 */
364#define CFG_IMMR 0xFF000000
365
366#define SDRAM_BASE 0x00000000
367#define SDRAM_SIZE (64 * 1024 * 1024)
368
369#define FLASH_BASE 0x40000000
370#define FLASH_SIZE (16 * 1024 * 1024)
371
372#define DOC_BASE 0x50000000
373#define DOC_SIZE (32 * 1024)
374
375#define FPGA_BASE 0x60000000
376#define FPGA_SIZE (64 * 1024 * 1024)
377
378#define SELECTMAP_BASE 0x70000000
379#define SELECTMAP_SIZE (32 * 1024)
380
381#define M1553_BASE 0x80000000
382#define M1553_SIZE (64 * 1024)
383
384/*
385 * Definitions for initial stack pointer and data area (in DPRAM)
386 */
387#define CFG_INIT_RAM_ADDR CFG_IMMR
388#define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
389#define CFG_INIT_DATA_SIZE 64 /* # bytes reserved for initial data*/
390#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_INIT_DATA_SIZE)
391#define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
392
393/*
394 * Start addresses for the final memory configuration
395 * (Set up by the startup code)
396 * Please note that CFG_SDRAM_BASE _must_ start at 0
397 */
398#define CFG_SDRAM_BASE SDRAM_BASE
399
400/*
401 * FLASH organization
402 */
403#define CFG_FLASH_BASE FLASH_BASE
404#define CFG_FLASH_SIZE FLASH_SIZE
405#define CFG_FLASH_SECT_SIZE (128 * 1024)
406#define CFG_MAX_FLASH_BANKS 1
407#define CFG_MAX_FLASH_SECT 128
408
409/*
410 * The timeout values are for an entire chip and are in milliseconds.
411 * Yes I know that the write timeout is huge. Accroding to the
412 * datasheet a single byte takes 630 uS (round to 1 ms) max at worst
413 * case VCC and temp after 100K programming cycles. It works out
414 * to 280 minutes (might as well be forever).
415 */
416#define CFG_FLASH_ERASE_TOUT (CFG_MAX_FLASH_SECT * 5000)
417#define CFG_FLASH_WRITE_TOUT (CFG_MAX_FLASH_SECT * 128 * 1024 * 1)
418
419/*
420 * Allow direct writes to FLASH from tftp transfers (** dangerous **)
421 */
422#define CFG_DIRECT_FLASH_TFTP
423
424/*
425 * Reserve memory for U-Boot.
426 */
wdenk541a76d2003-05-03 15:50:43 +0000427#define CFG_MAX_UBOOT_SECTS 4
428#define CFG_MONITOR_LEN (CFG_MAX_UBOOT_SECTS * CFG_FLASH_SECT_SIZE)
429#define CFG_MONITOR_BASE CFG_FLASH_BASE
wdenk5b1d7132002-11-03 00:07:02 +0000430
431/*
432 * Select environment placement. NOTE that u-boot.lds must
433 * be edited if this is changed!
434 */
435#undef CFG_ENV_IS_IN_FLASH
436#define CFG_ENV_IS_IN_EEPROM
437
438#if defined(CFG_ENV_IS_IN_EEPROM)
439#define CFG_ENV_SIZE (2 * 1024)
440#define CFG_ENV_OFFSET (CFG_ENV_EEPROM_SIZE - (8 * 1024))
441#else
wdenk541a76d2003-05-03 15:50:43 +0000442#define CFG_ENV_SIZE 0x1000
443#define CFG_ENV_SECT_SIZE CFG_FLASH_SECT_SIZE
444
445/*
446 * This ultimately gets passed right into the linker script, so we have to
447 * use a number :(
448 */
449#define CFG_ENV_OFFSET 0x060000
wdenk5b1d7132002-11-03 00:07:02 +0000450#endif
451
452/*
453 * Reserve memory for malloc()
454 */
455#define CFG_MALLOC_LEN (128 * 1024)
456
457/*
458 * For booting Linux, the board info and command line data
459 * have to be in the first 8 MB of memory, since this is
460 * the maximum mapped by the Linux kernel during initialization.
461 */
462#define CFG_BOOTMAPSZ (8 * 1024 * 1024)
463
464/*
465 * Cache Configuration
466 */
467#define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
Jon Loeliger257c3c72007-07-07 21:04:26 -0500468#if defined(CONFIG_CMD_KGDB)
wdenk5b1d7132002-11-03 00:07:02 +0000469#define CFG_CACHELINE_SHIFT 4 /* log base 2 of above value */
470#endif
471
472/*------------------------------------------------------------------------
wdenk541a76d2003-05-03 15:50:43 +0000473 * SYPCR - System Protection Control UM 11-9
wdenk5b1d7132002-11-03 00:07:02 +0000474 * -----------------------------------------------------------------------
475 * SYPCR can only be written once after reset!
476 *
477 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
478 */
479#if defined(CONFIG_WATCHDOG)
480#define CFG_SYPCR ( SYPCR_SWTC | \
481 SYPCR_BMT | \
482 SYPCR_BME | \
483 SYPCR_SWF | \
484 SYPCR_SWE | \
485 SYPCR_SWRI | \
486 SYPCR_SWP \
487 )
488#else
489#define CFG_SYPCR ( SYPCR_SWTC | \
490 SYPCR_BMT | \
491 SYPCR_BME | \
492 SYPCR_SWF | \
493 SYPCR_SWP \
494 )
495#endif
496
497/*-----------------------------------------------------------------------
498 * SIUMCR - SIU Module Configuration UM 11-6
499 *-----------------------------------------------------------------------
500 * Set debug pin mux, enable SPKROUT and GPLB5*.
501 */
502#define CFG_SIUMCR ( SIUMCR_DBGC11 | \
503 SIUMCR_DBPC11 | \
504 SIUMCR_MLRC11 | \
505 SIUMCR_GB5E \
506 )
507
508/*-----------------------------------------------------------------------
509 * TBSCR - Time Base Status and Control UM 11-26
510 *-----------------------------------------------------------------------
511 * Clear Reference Interrupt Status, Timebase freeze enabled
512 */
513#define CFG_TBSCR ( TBSCR_REFA | \
514 TBSCR_REFB | \
515 TBSCR_TBF \
516 )
517
518/*-----------------------------------------------------------------------
519 * RTCSC - Real-Time Clock Status and Control Register UM 11-27
520 *-----------------------------------------------------------------------
521 */
522#define CFG_RTCSC ( RTCSC_SEC | \
523 RTCSC_ALR | \
524 RTCSC_RTF | \
525 RTCSC_RTE \
526 )
527
528/*-----------------------------------------------------------------------
529 * PISCR - Periodic Interrupt Status and Control UM 11-31
530 *-----------------------------------------------------------------------
531 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
532 */
533#define CFG_PISCR ( PISCR_PS | \
534 PISCR_PITF \
535 )
536
537/*-----------------------------------------------------------------------
538 * PLPRCR - PLL, Low-Power, and Reset Control Register UM 15-30
539 *-----------------------------------------------------------------------
540 * Reset PLL lock status sticky bit, timer expired status bit and timer
541 * interrupt status bit. Set MF for 1:2:1 mode.
542 */
543#define CFG_PLPRCR ( ((0x1 << PLPRCR_MF_SHIFT) & PLPRCR_MF_MSK) | \
544 PLPRCR_SPLSS | \
545 PLPRCR_TEXPS | \
546 PLPRCR_TMIST \
547 )
548
549/*-----------------------------------------------------------------------
550 * SCCR - System Clock and reset Control Register UM 15-27
551 *-----------------------------------------------------------------------
552 * Set clock output, timebase and RTC source and divider,
553 * power management and some other internal clocks
554 */
555#define SCCR_MASK SCCR_EBDF11
556
wdenk541a76d2003-05-03 15:50:43 +0000557#if !defined(CONFIG_SC)
wdenk5b1d7132002-11-03 00:07:02 +0000558#define CFG_SCCR ( SCCR_TBS | /* timebase = GCLK/2 */ \
559 SCCR_COM00 | /* full strength CLKOUT */ \
560 SCCR_DFSYNC00 | /* SYNCLK / 1 (normal) */ \
561 SCCR_DFBRG00 | /* BRGCLK / 1 (normal) */ \
562 SCCR_DFNL000 | \
563 SCCR_DFNH000 \
564 )
wdenk541a76d2003-05-03 15:50:43 +0000565#else
566#define CFG_SCCR ( SCCR_TBS | /* timebase = GCLK/2 */ \
567 SCCR_COM00 | /* full strength CLKOUT */ \
568 SCCR_DFSYNC00 | /* SYNCLK / 1 (normal) */ \
569 SCCR_DFBRG00 | /* BRGCLK / 1 (normal) */ \
570 SCCR_DFNL000 | \
571 SCCR_DFNH000 | \
572 SCCR_RTDIV | \
573 SCCR_RTSEL \
574 )
575#endif
wdenk5b1d7132002-11-03 00:07:02 +0000576
577/*-----------------------------------------------------------------------
578 * DER - Debug Enable Register UM 37-46
579 *-----------------------------------------------------------------------
580 * Mask all events that can cause entry into debug mode
581 */
582#define CFG_DER 0
583
584/*
585 * Initialize Memory Controller:
586 *
587 * BR0 and OR0 (FLASH memory)
588 */
589#define FLASH_BASE0_PRELIM FLASH_BASE
590
591/*
592 * Flash address mask
593 */
594#define CFG_PRELIM_OR_AM 0xfe000000
595
596/*
597 * FLASH timing:
598 * 33 Mhz bus with ACS = 11, TRLX = 1, CSNT = 1, SCY = 3, EHTR = 1
599 */
600#define CFG_OR_TIMING_FLASH ( OR_CSNT_SAM | \
601 OR_ACS_DIV2 | \
602 OR_BI | \
603 OR_SCY_2_CLK | \
604 OR_TRLX | \
605 OR_EHTR \
606 )
607
608#define CFG_OR0_PRELIM ( CFG_PRELIM_OR_AM | \
609 CFG_OR_TIMING_FLASH \
610 )
611
612#define CFG_BR0_PRELIM ( (FLASH_BASE0_PRELIM & BR_BA_MSK) | \
613 BR_MS_GPCM | \
614 BR_PS_8 | \
615 BR_V \
616 )
617
618/*
619 * SDRAM configuration
620 */
621#define CFG_OR1_AM 0xfc000000
622#define CFG_OR1 ( (CFG_OR1_AM & OR_AM_MSK) | \
623 OR_CSNT_SAM \
624 )
625
626#define CFG_BR1 ( (SDRAM_BASE & BR_BA_MSK) | \
627 BR_MS_UPMA | \
628 BR_PS_32 | \
629 BR_V \
630 )
631
632/*
633 * Refresh rate 7.8 us (= 64 ms / 8K = 31.2 uS quad bursts) for one bank
634 * of 256 MBit SDRAM
635 */
636#define CFG_MPTPR_1BK_8K MPTPR_PTP_DIV16
637
638/*
639 * Periodic timer for refresh @ 33 MHz system clock
640 */
641#define CFG_MAMR_PTA 64
642
643/*
644 * MAMR settings for SDRAM
645 */
646#define CFG_MAMR_8COL ( (CFG_MAMR_PTA << MAMR_PTA_SHIFT) | \
647 MAMR_PTAE | \
648 MAMR_AMA_TYPE_1 | \
649 MAMR_DSA_1_CYCL | \
650 MAMR_G0CLA_A10 | \
651 MAMR_RLFA_1X | \
652 MAMR_WLFA_1X | \
653 MAMR_TLFA_4X \
654 )
655
656/*
657 * CS2* configuration for Disk On Chip:
658 * 33 MHz bus with TRLX=1, ACS=11, CSNT=1, EBDF=1, SCY=2, EHTR=1,
659 * no burst.
660 */
661#define CFG_OR2_PRELIM ( (0xffff0000 & OR_AM_MSK) | \
662 OR_CSNT_SAM | \
663 OR_ACS_DIV2 | \
664 OR_BI | \
665 OR_SCY_2_CLK | \
666 OR_TRLX | \
667 OR_EHTR \
668 )
669
670#define CFG_BR2_PRELIM ( (DOC_BASE & BR_BA_MSK) | \
671 BR_PS_8 | \
672 BR_MS_GPCM | \
673 BR_V \
674 )
675
676/*
677 * CS3* configuration for FPGA:
678 * 33 MHz bus with SCY=15, no burst.
679 * The FPGA uses TA and TEA to terminate bus cycles, but we
680 * clear SETA and set the cycle length to a large number so that
681 * the cycle will still complete even if there is a configuration
682 * error that prevents TA from asserting on FPGA accesss.
683 */
684#define CFG_OR3_PRELIM ( (0xfc000000 & OR_AM_MSK) | \
685 OR_SCY_15_CLK | \
686 OR_BI \
687 )
688
689#define CFG_BR3_PRELIM ( (FPGA_BASE & BR_BA_MSK) | \
690 BR_PS_32 | \
691 BR_MS_GPCM | \
692 BR_V \
693 )
694/*
695 * CS4* configuration for FPGA SelectMap configuration interface.
696 * 33 MHz bus, UPMB, no burst. Do not assert GPLB5 on falling edge
697 * of GCLK1_50
698 */
699#define CFG_OR4_PRELIM ( (0xffff0000 & OR_AM_MSK) | \
700 OR_G5LS | \
701 OR_BI \
702 )
703
704#define CFG_BR4_PRELIM ( (SELECTMAP_BASE & BR_BA_MSK) | \
705 BR_PS_8 | \
706 BR_MS_UPMB | \
707 BR_V \
708 )
709
710/*
711 * CS5* configuration for Mil-Std 1553 databus interface.
712 * 33 MHz bus, GPCM, no burst.
713 * The 1553 interface uses TA and TEA to terminate bus cycles,
714 * but we clear SETA and set the cycle length to a large number so that
715 * the cycle will still complete even if there is a configuration
716 * error that prevents TA from asserting on FPGA accesss.
717 */
718#define CFG_OR5_PRELIM ( (0xffff0000 & OR_AM_MSK) | \
719 OR_SCY_15_CLK | \
720 OR_EHTR | \
721 OR_TRLX | \
722 OR_CSNT_SAM | \
723 OR_BI \
724 )
725
726#define CFG_BR5_PRELIM ( (M1553_BASE & BR_BA_MSK) | \
727 BR_PS_16 | \
728 BR_MS_GPCM | \
729 BR_V \
730 )
731
732/*
733 * Boot Flags
734 */
735#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
736#define BOOTFLAG_WARM 0x02 /* Software reboot */
737
738/*
739 * Disk On Chip (millenium) configuration
740 */
wdenk541a76d2003-05-03 15:50:43 +0000741#if !defined(CONFIG_SC)
wdenk5b1d7132002-11-03 00:07:02 +0000742#define CFG_MAX_DOC_DEVICE 1
743#undef CFG_DOC_SUPPORT_2000
744#define CFG_DOC_SUPPORT_MILLENNIUM
745#undef CFG_DOC_PASSIVE_PROBE
wdenk541a76d2003-05-03 15:50:43 +0000746#endif
wdenk5b1d7132002-11-03 00:07:02 +0000747
748/*
749 * FEC interrupt assignment
750 */
751#define FEC_INTERRUPT SIU_LEVEL1
752
753/*
754 * Sanity checks
755 */
756#if defined(CONFIG_SCC1_ENET) && defined(CONFIG_FEC_ENET)
757#error Both CONFIG_SCC1_ENET and CONFIG_FEC_ENET configured
758#endif
759
760#endif /* __CONFIG_GEN860T_H */
761
762/* vim: set ts=4 tw=78 ai shiftwidth=4: */