1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
|
/*
* (C) Copyright 2008
* Graeme Russ, graeme.russ@gmail.com.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <asm/ibmpc.h>
/*
* board/config.h - configuration options, board specific
*/
#ifndef __CONFIG_H
#define __CONFIG_H
/*
* Stuff still to be dealt with -
*/
#define CONFIG_RTC_MC146818
#define CONFIG_SYS_ISA_IO_BASE_ADDRESS 0
/*
* High Level Configuration Options
* (easy to change)
*/
#define DEBUG_PARSER
#define CONFIG_X86 1 /* Intel X86 CPU */
#define CONFIG_SYS_SC520 1 /* AMD SC520 */
#define CONFIG_SYS_SC520_SSI
#define CONFIG_SHOW_BOOT_PROGRESS 1
#define CONFIG_LAST_STAGE_INIT 1
/*
* If CONFIG_HW_WATCHDOG is not defined, the watchdog jumper on the
* bottom (processor) board MUST be removed!
*/
#undef CONFIG_WATCHDOG
#define CONFIG_HW_WATCHDOG
/*-----------------------------------------------------------------------
* Serial Configuration
*/
#define CONFIG_SERIAL_MULTI
#define CONFIG_CONS_INDEX 1
#define CONFIG_SYS_NS16550
#define CONFIG_SYS_NS16550_SERIAL
#define CONFIG_SYS_NS16550_REG_SIZE 1
#define CONFIG_SYS_NS16550_CLK 1843200
#define CONFIG_BAUDRATE 9600
#define CONFIG_SYS_BAUDRATE_TABLE \
{300, 600, 1200, 2400, 4800, 9600, 19200, 38400,115200}
#define CONFIG_SYS_NS16550_COM1 UART0_BASE
#define CONFIG_SYS_NS16550_COM2 UART1_BASE
#define CONFIG_SYS_NS16550_COM3 (0x1000 + UART0_BASE)
#define CONFIG_SYS_NS16550_COM4 (0x1000 + UART1_BASE)
#define CONFIG_SYS_NS16550_PORT_MAPPED
/*-----------------------------------------------------------------------
* Video Configuration
*/
#undef CONFIG_VIDEO /* No Video Hardware */
#undef CONFIG_CFB_CONSOLE
/*
* Size of malloc() pool
*/
#define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + 128*1024)
/*-----------------------------------------------------------------------
* Command line configuration.
*/
#include <config_cmd_default.h>
#define CONFIG_CMD_BDI /* bdinfo */
#define CONFIG_CMD_BOOTD /* bootd */
#define CONFIG_CMD_CONSOLE /* coninfo */
#define CONFIG_CMD_DATE
#define CONFIG_CMD_ECHO /* echo arguments */
#define CONFIG_CMD_FLASH /* flinfo, erase, protect */
#define CONFIG_CMD_FPGA /* FPGA configuration Support */
#define CONFIG_CMD_IMI /* iminfo */
#define CONFIG_CMD_IMLS /* List all found images */
#define CONFIG_CMD_IRQ /* IRQ Information */
#define CONFIG_CMD_ITEST /* Integer (and string) test */
#define CONFIG_CMD_LOADB /* loadb */
#define CONFIG_CMD_LOADS /* loads */
#define CONFIG_CMD_MEMORY /* md mm nm mw cp cmp crc base loop mtest */
#define CONFIG_CMD_MISC /* Misc functions like sleep etc*/
#define CONFIG_CMD_NET /* bootp, tftpboot, rarpboot */
#undef CONFIG_CMD_NFS /* NFS support */
#define CONFIG_CMD_PCI /* PCI support */
#define CONFIG_CMD_PING /* ICMP echo support */
#define CONFIG_CMD_RUN /* run command in env variable */
#define CONFIG_CMD_SAVEENV /* saveenv */
#define CONFIG_CMD_SETGETDCR /* DCR support on 4xx */
#define CONFIG_CMD_SOURCE /* "source" command Support */
#define CONFIG_CMD_XIMG /* Load part of Multi Image */
#define CONFIG_BOOTDELAY 15
#define CONFIG_BOOTARGS "root=/dev/mtdblock0 console=ttyS0,9600"
/* #define CONFIG_BOOTCOMMAND "bootm 38000000" */
#if defined(CONFIG_CMD_KGDB)
#define CONFIG_KGDB_BAUDRATE 115200 /* speed to run kgdb serial port */
#define CONFIG_KGDB_SER_INDEX 2 /* which serial port to use */
#endif
/*
* Miscellaneous configurable options
*/
#define CONFIG_SYS_LONGHELP /* undef to save memory */
#define CONFIG_SYS_PROMPT "boot > " /* Monitor Command Prompt */
#define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \
sizeof(CONFIG_SYS_PROMPT) + \
16) /* Print Buffer Size */
#define CONFIG_SYS_MAXARGS 16 /* max number of command args */
#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
#define CONFIG_SYS_MEMTEST_START 0x00100000 /* memtest works on */
#define CONFIG_SYS_MEMTEST_END 0x01000000 /* 1 ... 16 MB in DRAM */
#define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */
#define CONFIG_SYS_HZ 1000 /* incrementer freq: 1kHz */
/*-----------------------------------------------------------------------
* SDRAM Configuration
*/
#define CONFIG_SYS_SDRAM_DRCTMCTL 0x18
#define CONFIG_NR_DRAM_BANKS 4
/* CONFIG_SYS_SDRAM_DRCTMCTL Overrides the following*/
#undef CONFIG_SYS_SDRAM_PRECHARGE_DELAY
#undef CONFIG_SYS_SDRAM_REFRESH_RATE
#undef CONFIG_SYS_SDRAM_RAS_CAS_DELAY
#undef CONFIG_SYS_SDRAM_CAS_LATENCY_2T
#undef CONFIG_SYS_SDRAM_CAS_LATENCY_3T
/*-----------------------------------------------------------------------
* CPU Features
*/
#define CONFIG_SYS_SC520_HIGH_SPEED 0 /* 100 or 133MHz */
#define CONFIG_SYS_SC520_RESET /* use SC520 MMCR's to reset cpu */
#define CONFIG_SYS_SC520_TIMER /* use SC520 swtimers */
#undef CONFIG_SYS_GENERIC_TIMER /* use the i8254 PIT timers */
#undef CONFIG_SYS_TSC_TIMER /* use the Pentium TSC timers */
#define CONFIG_SYS_USE_SIO_UART 0 /* prefer the uarts on the SIO to those
* in the SC520 on the CDP */
#define CONFIG_SYS_PCAT_INTERRUPTS
#define CONFIG_SYS_NUM_IRQS 16
/*-----------------------------------------------------------------------
* Memory organization
*/
#define CONFIG_SYS_STACK_SIZE 0x8000 /* Size of bootloader stack */
#define CONFIG_SYS_BL_START_FLASH 0x38040000 /* Address of relocated code */
#define CONFIG_SYS_BL_START_RAM 0x03fd0000 /* Address of relocated code */
#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE
#define CONFIG_SYS_MONITOR_LEN (256 * 1024) /* Reserve 256 kB for Mon */
#define CONFIG_SYS_FLASH_BASE 0x38000000 /* Boot Flash */
#define CONFIG_SYS_FLASH_BASE_1 0x10000000 /* StrataFlash 1 */
#define CONFIG_SYS_FLASH_BASE_2 0x11000000 /* StrataFlash 2 */
/* timeout values are in ticks */
#define CONFIG_SYS_FLASH_ERASE_TOUT (2*CONFIG_SYS_HZ) /* Timeout for Flash Erase */
#define CONFIG_SYS_FLASH_WRITE_TOUT (2*CONFIG_SYS_HZ) /* Timeout for Flash Write */
/* allow to overwrite serial and ethaddr */
#define CONFIG_ENV_OVERWRITE
/*-----------------------------------------------------------------------
* FLASH configuration
*/
#define CONFIG_FLASH_CFI_DRIVER /* Use the common driver */
#define CONFIG_FLASH_CFI_LEGACY
#define CONFIG_SYS_FLASH_CFI /* Flash is CFI conformant */
#define CONFIG_SYS_MAX_FLASH_BANKS 3 /* max number of memory banks */
#define CONFIG_SYS_FLASH_BANKS_LIST {CONFIG_SYS_FLASH_BASE, \
CONFIG_SYS_FLASH_BASE_1, \
CONFIG_SYS_FLASH_BASE_2}
#define CONFIG_SYS_FLASH_EMPTY_INFO
#undef CONFIG_SYS_FLASH_USE_BUFFER_WRITE
#define CONFIG_SYS_MAX_FLASH_SECT 128 /* max number of sectors on one chip */
#define CONFIG_SYS_FLASH_CFI_WIDTH FLASH_CFI_8BIT
#define CONFIG_SYS_FLASH_LEGACY_512Kx8
/*-----------------------------------------------------------------------
* Environment configuration
*/
#define CONFIG_ENV_IS_IN_FLASH 1
#define CONFIG_ENV_SECT_SIZE 0x20000 /* Total Size of Environment Sector */
#define CONFIG_ENV_SIZE CONFIG_ENV_SECT_SIZE
#define CONFIG_ENV_ADDR CONFIG_SYS_FLASH_BASE_1
/* Redundant Copy */
#define CONFIG_ENV_ADDR_REDUND (CONFIG_SYS_FLASH_BASE_1 + \
CONFIG_ENV_SECT_SIZE)
#define CONFIG_ENV_SIZE_REDUND CONFIG_ENV_SECT_SIZE
/*-----------------------------------------------------------------------
* PCI configuration
*/
#define CONFIG_PCI /* include pci support */
#define CONFIG_PCI_PNP /* pci plug-and-play */
#define CONFIG_SYS_FIRST_PCI_IRQ 10
#define CONFIG_SYS_SECOND_PCI_IRQ 9
#define CONFIG_SYS_THIRD_PCI_IRQ 11
#define CONFIG_SYS_FORTH_PCI_IRQ 15
/*
* Network device (TRL8100B) support
*/
#define CONFIG_NET_MULTI
#define CONFIG_RTL8139
/*-----------------------------------------------------------------------
* FPGA configuration
*/
#define CONFIG_SYS_FPGA_PROGRAM_PIO_BIT 0x2000
#define CONFIG_SYS_FPGA_INIT_PIO_BIT 0x4000
#define CONFIG_SYS_FPGA_DONE_PIO_BIT 0x8000
#define CONFIG_SYS_FPGA_PIO_DATA SC520_PIODATA31_16
#define CONFIG_SYS_FPGA_PIO_DIRECTION SC520_PIODIR31_16
#define CONFIG_SYS_FPGA_PIO_CLR SC520_PIOCLR31_16
#define CONFIG_SYS_FPGA_PIO_SET SC520_PIOSET31_16
#define CONFIG_SYS_FPGA_PROGRAM_BIT_DROP_TIME 1 /* milliseconds */
#define CONFIG_SYS_FPGA_MAX_INIT_TIME 10 /* milliseconds */
#define CONFIG_SYS_FPGA_MAX_FINALISE_TIME 10 /* milliseconds */
#define CONFIG_SYS_FPGA_SSI_DATA_RATE 8333 /* kHz (33.3333MHz xtal) */
/*-----------------------------------------------------------------------
* BOOTCS Control (for AM29LV040B-120JC)
*
* 000 0 00 0 000 11 0 011 }- 0x0033
* \ / | \| | \ / \| | \ /
* | | | | | | | |
* | | | | | | | +---- 3 Wait States (First Access)
* | | | | | | +------- Reserved
* | | | | | +--------- 3 Wait States (Subsequent Access)
* | | | | +------------- Reserved
* | | | +---------------- Non-Paged Mode
* | | +------------------ 8 Bit Wide
* | +--------------------- GP Bus
* +------------------------ Reserved
*/
#define CONFIG_SYS_SC520_BOOTCS_CTRL 0x0033
/*-----------------------------------------------------------------------
* ROMCS Control (for E28F128J3A-150 StrataFlash)
*
* 000 0 01 1 000 01 0 101 }- 0x0615
* \ / | \| | \ / \| | \ /
* | | | | | | | |
* | | | | | | | +---- 5 Wait States (First Access)
* | | | | | | +------- Reserved
* | | | | | +--------- 1 Wait State (Subsequent Access)
* | | | | +------------- Reserved
* | | | +---------------- Paged Mode
* | | +------------------ 16 Bit Wide
* | +--------------------- GP Bus
* +------------------------ Reserved
*/
#define CONFIG_SYS_SC520_ROMCS1_CTRL 0x0615
#define CONFIG_SYS_SC520_ROMCS2_CTRL 0x0615
/*-----------------------------------------------------------------------
* SC520 General Purpose Bus configuration
*
* Chip Select Offset 1 Clock Cycle
* Chip Select Pulse Width 8 Clock Cycles
* Chip Select Read Offset 2 Clock Cycles
* Chip Select Read Width 6 Clock Cycles
* Chip Select Write Offset 2 Clock Cycles
* Chip Select Write Width 6 Clock Cycles
* Chip Select Recovery Time 2 Clock Cycles
*
* Timing Diagram (from SC520 Register Set Manual - Order #22005B)
*
* |<-------------General Purpose Bus Cycle---------------->|
* | |
* ----------------------\__________________/------------------
* |<--(GPCSOFF + 1)-->|<--(GPCSPW + 1)-->|<-(GPCSRT + 1)-> |
*
* ------------------------\_______________/-------------------
* |<---(GPRDOFF + 1)--->|<-(GPRDW + 1)->|
*
* --------------------------\_______________/-----------------
* |<----(GPWROFF + 1)---->|<-(GPWRW + 1)->|
*
* ________/-----------\_______________________________________
* |<--->|<--------->|
* ^ ^
* (GPALEOFF + 1) |
* |
* (GPALEW + 1)
*/
#define CONFIG_SYS_SC520_GPCSOFF 0x00
#define CONFIG_SYS_SC520_GPCSPW 0x07
#define CONFIG_SYS_SC520_GPRDOFF 0x01
#define CONFIG_SYS_SC520_GPRDW 0x05
#define CONFIG_SYS_SC520_GPWROFF 0x01
#define CONFIG_SYS_SC520_GPWRW 0x05
#define CONFIG_SYS_SC520_GPCSRT 0x01
/*-----------------------------------------------------------------------
* SC520 Programmable I/O configuration
*
* Pin Mode Dir. Description
* ----------------------------------------------------------------------
* PIO0 PIO Output Unused
* PIO1 GPBHE# Output GP Bus Byte High Enable (active low)
* PIO2 PIO Output Auxiliary power output enable
* PIO3 GPAEN Output GP Bus Address Enable
* PIO4 PIO Output Top Board Enable (active low)
* PIO5 PIO Output StrataFlash 16 bit mode (low = 8 bit mode)
* PIO6 PIO Input Data output of Power Supply ADC
* PIO7 PIO Output Clock input to Power Supply ADC
* PIO8 PIO Output Chip Select input of Power Supply ADC
* PIO9 PIO Output StrataFlash 1 Reset / Power Down (active low)
* PIO10 PIO Output StrataFlash 2 Reset / Power Down (active low)
* PIO11 PIO Input StrataFlash 1 Status
* PIO12 PIO Input StrataFlash 2 Status
* PIO13 GPIRQ10# Input Can Bus / I2C IRQ (active low)
* PIO14 PIO Input Low Input Voltage Warning (active low)
* PIO15 PIO Output Watchdog (must toggle at least every 1.6s)
* PIO16 PIO Input Power Fail
* PIO17 GPIRQ6 Input Compact Flash 1 IRQ (active low)
* PIO18 GPIRQ5 Input Compact Flash 2 IRQ (active low)
* PIO19 GPIRQ4# Input Dual-Port RAM IRQ (active low)
* PIO20 GPIRQ3 Input UART D IRQ
* PIO21 GPIRQ2 Input UART C IRQ
* PIO22 GPIRQ1 Input UART B IRQ
* PIO23 GPIRQ0 Input UART A IRQ
* PIO24 GPDBUFOE# Output GP Bus Data Bus Buffer Output Enable
* PIO25 PIO Input Battery OK Indication
* PIO26 GPMEMCS16# Input GP Bus Memory Chip-Select 16-bit access
* PIO27 GPCS0# Output SRAM 1 Chip Select
* PIO28 PIO Input Top Board UART CTS
* PIO29 PIO Output FPGA Program Mode (active low)
* PIO30 PIO Input FPGA Initialised (active low)
* PIO31 PIO Input FPGA Done (active low)
*/
#define CONFIG_SYS_SC520_PIOPFS15_0 0x200a
#define CONFIG_SYS_SC520_PIOPFS31_16 0x0dfe
#define CONFIG_SYS_SC520_PIODIR15_0 0x87bf
#define CONFIG_SYS_SC520_PIODIR31_16 0x2900
/*-----------------------------------------------------------------------
* PIO Pin defines
*/
#define CONFIG_SYS_ENET_AUX_PWR 0x0004
#define CONFIG_SYS_ENET_TOP_BRD_PWR 0x0010
#define CONFIG_SYS_ENET_SF_WIDTH 0x0020
#define CONFIG_SYS_ENET_PWR_ADC_DATA 0x0040
#define CONFIG_SYS_ENET_PWR_ADC_CLK 0x0080
#define CONFIG_SYS_ENET_PWR_ADC_CS 0x0100
#define CONFIG_SYS_ENET_SF1_MODE 0x0200
#define CONFIG_SYS_ENET_SF2_MODE 0x0400
#define CONFIG_SYS_ENET_SF1_STATUS 0x0800
#define CONFIG_SYS_ENET_SF2_STATUS 0x1000
#define CONFIG_SYS_ENET_PWR_STATUS 0x4000
#define CONFIG_SYS_ENET_WATCHDOG 0x8000
#define CONFIG_SYS_ENET_PWR_FAIL 0x0001
#define CONFIG_SYS_ENET_BAT_OK 0x0200
#define CONFIG_SYS_ENET_TOP_BRD_CTS 0x1000
#define CONFIG_SYS_ENET_FPGA_PROG 0x2000
#define CONFIG_SYS_ENET_FPGA_INIT 0x4000
#define CONFIG_SYS_ENET_FPGA_DONE 0x8000
/*-----------------------------------------------------------------------
* Chip Select Pin Function Select
*
* 1 1 1 1 1 0 0 0 }- 0xf8
* | | | | | | | |
* | | | | | | | +--- Reserved
* | | | | | | +----- GPCS1_SEL = ROMCS1#
* | | | | | +------- GPCS2_SEL = ROMCS2#
* | | | | +--------- GPCS3_SEL = GPCS3
* | | | +----------- GPCS4_SEL = GPCS4
* | | +------------- GPCS5_SEL = GPCS5
* | +--------------- GPCS6_SEL = GPCS6
* +----------------- GPCS7_SEL = GPCS7
*/
#define CONFIG_SYS_SC520_CSPFS 0xf8
/*-----------------------------------------------------------------------
* Clock Select (CLKTIMER[CLKTEST] pin)
*
* 0 111 00 1 0 }- 0x72
* | \ / \| | |
* | | | | +--- Pin Disabled
* | | | +----- Pin is an output
* | | +------- Reserved
* | +----------- Disabled (pin stays Low)
* +-------------- Reserved
*/
#define CONFIG_SYS_SC520_CLKSEL 0x72
/*-----------------------------------------------------------------------
* Address Decode Control
*
* 0 00 0 0 0 0 0 }- 0x00
* | \| | | | | |
* | | | | | | +--- Integrated UART 1 is enabled
* | | | | | +----- Integrated UART 2 is enabled
* | | | | +------- Integrated RTC is enabled
* | | | +--------- Reserved
* | | +----------- I/O Hole accesses are forwarded to the external GP bus
* | +------------- Reserved
* +---------------- Write-protect violations do not generate an IRQ
*/
#define CONFIG_SYS_SC520_ADDDECCTL 0x00
/*-----------------------------------------------------------------------
* UART Control
*
* 00000 1 1 1 }- 0x07
* \___/ | | |
* | | | +--- Transmit TC interrupt enable
* | | +----- Receive TC interrupt enable
* | +------- 1.8432 MHz
* +----------- Reserved
*/
#define CONFIG_SYS_SC520_UART1CTL 0x07
#define CONFIG_SYS_SC520_UART2CTL 0x07
/*-----------------------------------------------------------------------
* System Arbiter Control
*
* 00000 1 1 0 }- 0x06
* \___/ | | |
* | | | +--- Disable PCI Bus Arbiter Grant Time-Out Interrupt
* | | +----- The system arbiter operates in concurrent mode
* | +------- Park the PCI bus on the last master that acquired the bus
* +----------- Reserved
*/
#define CONFIG_SYS_SC520_SYSARBCTL 0x06
/*-----------------------------------------------------------------------
* System Arbiter Master Enable
*
* 00000000000 0 0 0 1 1 }- 0x06
* \_________/ | | | | |
* | | | | | +--- PCI master REQ0 enabled (Ethernet 1)
* | | | | +----- PCI master REQ1 enabled (Ethernet 2)
* | | | +------- PCI master REQ2 disabled
* | | +--------- PCI master REQ3 disabled
* | +----------- PCI master REQ4 disabled
* +------------------ Reserved
*/
#define CONFIG_SYS_SC520_SYSARBMENB 0x0003
/*-----------------------------------------------------------------------
* System Arbiter Master Enable
*
* 0 0000 0 00 0000 1 000 }- 0x06
* | \__/ | \| \__/ | \_/
* | | | | | | +---- Reserved
* | | | | | +------- Enable CPU-to-PCI bus write posting
* | | | | +---------- Reserved
* | | | +-------------- PCI bus reads to SDRAM are not automatically
* | | | retried
* | | +----------------- Target read FIFOs are not snooped during write
* | | transactions
* | +-------------------- Reserved
* +------------------------ Deassert the PCI bus reset signal
*/
#define CONFIG_SYS_SC520_HBCTL 0x08
/*-----------------------------------------------------------------------
* PAR for Boot Flash - 512kB @ 0x38000000, BOOTCS
* 100 0 1 0 1 00000000111 11100000000000 }- 0x8a01f800
* \ / | | | | \----+----/ \-----+------/
* | | | | | | +---------- Start at 0x38000000
* | | | | | +----------------------- 512kB Region Size
* | | | | | ((7 + 1) * 64kB)
* | | | | +------------------------------ 64kB Page Size
* | | | +-------------------------------- Writes Enabled (So it can be
* | | | reprogrammed!)
* | | +---------------------------------- Caching Disabled
* | +------------------------------------ Execution Enabled
* +--------------------------------------- BOOTCS
*/
#define CONFIG_SYS_SC520_BOOTCS_PAR 0x8a01f800
/*-----------------------------------------------------------------------
* PAR for Low Level I/O (LEDs, Hex Switches etc) - 33 Bytes @ 0x1000, GPCS6
*
* 001 110 0 000100000 0001000000000000 }- 0x38201000
* \ / \ / | \---+---/ \------+-------/
* | | | | +----------- Start at 0x00001000
* | | | +------------------------ 33 Bytes (0x20 + 1)
* | | +------------------------------ Ignored
* | +--------------------------------- GPCS6
* +------------------------------------- GP Bus I/O
*/
#define CONFIG_SYS_SC520_LLIO_PAR 0x38201000
/*-----------------------------------------------------------------------
* PAR for Compact Flash Port #1 - 4kB @ 0x200000000, CS5
* PAR for Compact Flash Port #2 - 4kB @ 0x200010000, CS7
*
* 010 101 0 0000000 100000000000000000 }- 0x54020000
* 010 111 0 0000000 100000000000000001 }- 0x5c020001
* \ / \ / | \--+--/ \-------+--------/
* | | | | +------------ Start at 0x200000000
* | | | | 0x200010000
* | | | +------------------------- 4kB Region Size
* | | | ((0 + 1) * 4kB)
* | | +------------------------------ 4k Page Size
* | +--------------------------------- GPCS5
* | GPCS7
* +------------------------------------- GP Bus Memory
*/
#define CONFIG_SYS_SC520_CF1_PAR 0x54020000
#define CONFIG_SYS_SC520_CF2_PAR 0x5c020001
/*-----------------------------------------------------------------------
* PAR for Extra 16550 UART A - 8 bytes @ 0x013f8, GPCS0
* PAR for Extra 16550 UART B - 8 bytes @ 0x012f8, GPCS3
* PAR for Extra 16550 UART C - 8 bytes @ 0x011f8, GPCS4
* PAR for Extra 16550 UART D - 8 bytes @ 0x010f8, GPCS5
*
* 001 000 0 000000111 0001001111111000 }- 0x200713f8
* 001 011 0 000000111 0001001011111000 }- 0x2c0712f8
* 001 011 0 000000111 0001001011111000 }- 0x300711f8
* 001 011 0 000000111 0001001011111000 }- 0x340710f8
* \ / \ / | \---+---/ \------+-------/
* | | | | +----------- Start at 0x013f8
* | | | | 0x012f8
* | | | | 0x011f8
* | | | | 0x010f8
* | | | +------------------------ 33 Bytes (32 + 1)
* | | +------------------------------ Ignored
* | +--------------------------------- GPCS6
* +------------------------------------- GP Bus I/O
*/
#define CONFIG_SYS_SC520_UARTA_PAR 0x200713f8
#define CONFIG_SYS_SC520_UARTB_PAR 0x2c0712f8
#define CONFIG_SYS_SC520_UARTC_PAR 0x300711f8
#define CONFIG_SYS_SC520_UARTD_PAR 0x340710f8
/*-----------------------------------------------------------------------
* PAR for StrataFlash #1 - 16MB @ 0x10000000, ROMCS1
* PAR for StrataFlash #2 - 16MB @ 0x11000000, ROMCS2
*
* 101 0 1 0 1 00011111111 01000000000000 }- 0xaa3fd000
* 110 0 1 0 1 00011111111 01000100000000 }- 0xca3fd100
* \ / | | | | \----+----/ \-----+------/
* | | | | | | +---------- Start at 0x10000000
* | | | | | | 0x11000000
* | | | | | +----------------------- 16MB Region Size
* | | | | | ((255 + 1) * 64kB)
* | | | | +------------------------------ 64kB Page Size
* | | | +-------------------------------- Writes Enabled
* | | +---------------------------------- Caching Disabled
* | +------------------------------------ Execution Enabled
* +--------------------------------------- ROMCS1
* ROMCS2
*/
#define CONFIG_SYS_SC520_SF1_PAR 0xaa3fd000
#define CONFIG_SYS_SC520_SF2_PAR 0xca3fd100
/*-----------------------------------------------------------------------
* PAR for SRAM #1 - 1MB @ 0x19000000, GPCS0
* PAR for SRAM #2 - 1MB @ 0x19100000, GPCS3
*
* 010 000 1 00000001111 01100100000000 }- 0x4203d900
* 010 011 1 00000001111 01100100010000 }- 0x4e03d910
* \ / \ / | \----+----/ \-----+------/
* | | | | +---------- Start at 0x19000000
* | | | | 0x19100000
* | | | +----------------------- 1MB Region Size
* | | | ((15 + 1) * 64kB)
* | | +------------------------------ 64kB Page Size
* | +--------------------------------- GPCS0
* | GPCS3
* +------------------------------------- GP Bus Memory
*/
#define CONFIG_SYS_SC520_SRAM1_PAR 0x4203d900
#define CONFIG_SYS_SC520_SRAM2_PAR 0x4e03d910
/*-----------------------------------------------------------------------
* PAR for Dual-Port RAM - 4kB @ 0x18100000, GPCS4
*
* 010 100 0 00000000 11000000100000000 }- 0x50018100
* \ / \ / | \---+--/ \-------+-------/
* | | | | +----------- Start at 0x18100000
* | | | +------------------------ 4kB Region Size
* | | | ((0 + 1) * 4kB)
* | | +------------------------------ 4kB Page Size
* | +--------------------------------- GPCS4
* +------------------------------------- GP Bus Memory
*/
#define CONFIG_SYS_SC520_DPRAM_PAR 0x50018100
/*-----------------------------------------------------------------------
* PAR for SDRAM - 128MB @ 0x00000000
* 111 0 0 0 1 11111111111 00000000000000 }- 0xe3ffc000
* \ / | | | | \----+----/ \-----+------/
* | | | | | | +---------- Start at 0x00000000
* | | | | | +----------------------- 128MB Region Size
* | | | | | ((2047 + 1) * 64kB)
* | | | | +------------------------------ 64kB Page Size
* | | | +-------------------------------- Writes Enabled
* | | +---------------------------------- Caching Enabled
* | +------------------------------------ Execution Enabled
* +--------------------------------------- SDRAM
*/
#define CONFIG_SYS_SC520_SDRAM_PAR 0xe3ffc000
#ifndef __ASSEMBLER__
extern unsigned long ip;
#define PRINTIP asm ("call 0\n" \
"0:\n" \
"pop %%eax\n" \
"movl %%eax, %0\n" \
:"=r"(ip) \
: /* No Input Registers */ \
:"%eax"); \
printf("IP: 0x%08lx (File: %s, Line: %d)\n", ip, __FILE__, __LINE__);
#endif
#endif /* __CONFIG_H */
|
