| blob | 7e12c31ccfda478321291b76916b1bed68d283be |
1 /*
2 * Aic79xx register and scratch ram definitions.
3 *
4 * Copyright (c) 1994-2001, 2004 Justin T. Gibbs.
5 * Copyright (c) 2000-2002 Adaptec Inc.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions, and the following disclaimer,
13 * without modification.
14 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
15 * substantially similar to the "NO WARRANTY" disclaimer below
16 * ("Disclaimer") and any redistribution must be conditioned upon
17 * including a substantially similar Disclaimer requirement for further
18 * binary redistribution.
19 * 3. Neither the names of the above-listed copyright holders nor the names
20 * of any contributors may be used to endorse or promote products derived
21 * from this software without specific prior written permission.
22 *
23 * Alternatively, this software may be distributed under the terms of the
24 * GNU General Public License ("GPL") version 2 as published by the Free
25 * Software Foundation.
26 *
27 * NO WARRANTY
28 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
29 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
30 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
31 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
32 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
36 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
37 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
38 * POSSIBILITY OF SUCH DAMAGES.
39 *
40 * $FreeBSD$
41 */
42 VERSION = "$Id: //depot/aic7xxx/aic7xxx/aic79xx.reg#77 $"
44 /*
45 * This file is processed by the aic7xxx_asm utility for use in assembling
46 * firmware for the aic79xx family of SCSI host adapters as well as to generate
47 * a C header file for use in the kernel portion of the Aic79xx driver.
48 */
50 /* Register window Modes */
51 #define M_DFF0 0
52 #define M_DFF1 1
53 #define M_CCHAN 2
54 #define M_SCSI 3
55 #define M_CFG 4
56 #define M_DST_SHIFT 4
58 #define MK_MODE(src, dst) ((src) | ((dst) << M_DST_SHIFT))
59 #define SET_MODE(src, dst) \
60 SET_SRC_MODE src; \
61 SET_DST_MODE dst; \
62 if ((ahd->bugs & AHD_SET_MODE_BUG) != 0) { \
63 mvi MK_MODE(src, dst) call set_mode_work_around; \
64 } else { \
65 mvi MODE_PTR, MK_MODE(src, dst); \
66 }
68 #define RESTORE_MODE(mode) \
69 if ((ahd->bugs & AHD_SET_MODE_BUG) != 0) { \
70 mov mode call set_mode_work_around; \
71 } else { \
72 mov MODE_PTR, mode; \
73 }
75 #define SET_SEQINTCODE(code) \
76 if ((ahd->bugs & AHD_INTCOLLISION_BUG) != 0) { \
77 mvi code call set_seqint_work_around; \
78 } else { \
79 mvi SEQINTCODE, code; \
80 }
82 /*
83 * Registers marked "dont_generate_debug_code" are not (yet) referenced
84 * from the driver code, and this keyword inhibit generation
85 * of debug code for them.
86 *
87 * REG_PRETTY_PRINT config will complain if dont_generate_debug_code
88 * is added to the register which is referenced in the driver.
89 * Unreferenced register with no dont_generate_debug_code will result
90 * in dead code. No warning is issued.
91 */
93 /*
94 * Mode Pointer
95 * Controls which of the 5, 512byte, address spaces should be used
96 * as the source and destination of any register accesses in our
97 * register window.
98 */
99 register MODE_PTR {
100 address 0x000
101 access_mode RW
102 field DST_MODE 0x70
103 field SRC_MODE 0x07
104 mode_pointer
105 dont_generate_debug_code
106 }
108 const SRC_MODE_SHIFT 0
109 const DST_MODE_SHIFT 4
111 /*
112 * Host Interrupt Status
113 */
114 register INTSTAT {
115 address 0x001
116 access_mode RW
117 field HWERRINT 0x80
118 field BRKADRINT 0x40
119 field SWTMINT 0x20
120 field PCIINT 0x10
121 field SCSIINT 0x08
122 field SEQINT 0x04
123 field CMDCMPLT 0x02
124 field SPLTINT 0x01
125 mask INT_PEND 0xFF
126 }
128 /*
129 * Sequencer Interrupt Code
130 */
131 register SEQINTCODE {
132 address 0x002
133 access_mode RW
134 field {
135 NO_SEQINT, /* No seqint pending. */
136 BAD_PHASE, /* unknown scsi bus phase */
137 SEND_REJECT, /* sending a message reject */
138 PROTO_VIOLATION, /* Protocol Violation */
139 NO_MATCH, /* no cmd match for reconnect */
140 IGN_WIDE_RES, /* Complex IGN Wide Res Msg */
141 PDATA_REINIT, /*
142 * Returned to data phase
143 * that requires data
144 * transfer pointers to be
145 * recalculated from the
146 * transfer residual.
147 */
148 HOST_MSG_LOOP, /*
149 * The bus is ready for the
150 * host to perform another
151 * message transaction. This
152 * mechanism is used for things
153 * like sync/wide negotiation
154 * that require a kernel based
155 * message state engine.
156 */
157 BAD_STATUS, /* Bad status from target */
158 DATA_OVERRUN, /*
159 * Target attempted to write
160 * beyond the bounds of its
161 * command.
162 */
163 MKMSG_FAILED, /*
164 * Target completed command
165 * without honoring our ATN
166 * request to issue a message.
167 */
168 MISSED_BUSFREE, /*
169 * The sequencer never saw
170 * the bus go free after
171 * either a command complete
172 * or disconnect message.
173 */
174 DUMP_CARD_STATE,
175 ILLEGAL_PHASE,
176 INVALID_SEQINT,
177 CFG4ISTAT_INTR,
178 STATUS_OVERRUN,
179 CFG4OVERRUN,
180 ENTERING_NONPACK,
181 TASKMGMT_FUNC_COMPLETE, /*
182 * Task management function
183 * request completed with
184 * an expected busfree.
185 */
186 TASKMGMT_CMD_CMPLT_OKAY, /*
187 * A command with a non-zero
188 * task management function
189 * has completed via the normal
190 * command completion method
191 * for commands with a zero
192 * task management function.
193 * This happens when an attempt
194 * to abort a command loses
195 * the race for the command to
196 * complete normally.
197 */
198 TRACEPOINT0,
199 TRACEPOINT1,
200 TRACEPOINT2,
201 TRACEPOINT3,
202 SAW_HWERR,
203 BAD_SCB_STATUS
204 }
205 dont_generate_debug_code
206 }
208 /*
209 * Clear Host Interrupt
210 */
211 register CLRINT {
212 address 0x003
213 access_mode WO
214 count 19
215 field CLRHWERRINT 0x80 /* Rev B or greater */
216 field CLRBRKADRINT 0x40
217 field CLRSWTMINT 0x20
218 field CLRPCIINT 0x10
219 field CLRSCSIINT 0x08
220 field CLRSEQINT 0x04
221 field CLRCMDINT 0x02
222 field CLRSPLTINT 0x01
223 dont_generate_debug_code
224 }
226 /*
227 * Error Register
228 */
229 register ERROR {
230 address 0x004
231 access_mode RO
232 field CIOPARERR 0x80
233 field CIOACCESFAIL 0x40 /* Rev B or greater */
234 field MPARERR 0x20
235 field DPARERR 0x10
236 field SQPARERR 0x08
237 field ILLOPCODE 0x04
238 field DSCTMOUT 0x02
239 dont_generate_debug_code
240 }
242 /*
243 * Clear Error
244 */
245 register CLRERR {
246 address 0x004
247 access_mode WO
248 field CLRCIOPARERR 0x80
249 field CLRCIOACCESFAIL 0x40 /* Rev B or greater */
250 field CLRMPARERR 0x20
251 field CLRDPARERR 0x10
252 field CLRSQPARERR 0x08
253 field CLRILLOPCODE 0x04
254 field CLRDSCTMOUT 0x02
255 }
257 /*
258 * Host Control Register
259 * Overall host control of the device.
260 */
261 register HCNTRL {
262 address 0x005
263 access_mode RW
264 count 12
265 field SEQ_RESET 0x80 /* Rev B or greater */
266 field POWRDN 0x40
267 field SWINT 0x10
268 field SWTIMER_START_B 0x08 /* Rev B or greater */
269 field PAUSE 0x04
270 field INTEN 0x02
271 field CHIPRST 0x01
272 field CHIPRSTACK 0x01
273 dont_generate_debug_code
274 }
276 /*
277 * Host New SCB Queue Offset
278 */
279 register HNSCB_QOFF {
280 address 0x006
281 access_mode RW
282 size 2
283 count 2
284 dont_generate_debug_code
285 }
287 /*
288 * Host Empty SCB Queue Offset
289 */
290 register HESCB_QOFF {
291 address 0x008
292 access_mode RW
293 count 2
294 dont_generate_debug_code
295 }
297 /*
298 * Host Mailbox
299 */
300 register HS_MAILBOX {
301 address 0x00B
302 access_mode RW
303 mask HOST_TQINPOS 0x80 /* Boundary at either 0 or 128 */
304 mask ENINT_COALESCE 0x40 /* Perform interrupt coalescing */
305 }
307 /*
308 * Sequencer Interrupt Status
309 */
310 register SEQINTSTAT {
311 address 0x00C
312 count 1
313 access_mode RO
314 field SEQ_SWTMRTO 0x10
315 field SEQ_SEQINT 0x08
316 field SEQ_SCSIINT 0x04
317 field SEQ_PCIINT 0x02
318 field SEQ_SPLTINT 0x01
319 }
321 /*
322 * Clear SEQ Interrupt
323 */
324 register CLRSEQINTSTAT {
325 address 0x00C
326 access_mode WO
327 field CLRSEQ_SWTMRTO 0x10
328 field CLRSEQ_SEQINT 0x08
329 field CLRSEQ_SCSIINT 0x04
330 field CLRSEQ_PCIINT 0x02
331 field CLRSEQ_SPLTINT 0x01
332 dont_generate_debug_code
333 }
335 /*
336 * Software Timer
337 */
338 register SWTIMER {
339 address 0x00E
340 access_mode RW
341 size 2
342 dont_generate_debug_code
343 }
345 /*
346 * SEQ New SCB Queue Offset
347 */
348 register SNSCB_QOFF {
349 address 0x010
350 access_mode RW
351 size 2
352 modes M_CCHAN
353 dont_generate_debug_code
354 }
356 /*
357 * SEQ Empty SCB Queue Offset
358 */
359 register SESCB_QOFF {
360 address 0x012
361 count 2
362 access_mode RW
363 modes M_CCHAN
364 dont_generate_debug_code
365 }
367 /*
368 * SEQ Done SCB Queue Offset
369 */
370 register SDSCB_QOFF {
371 address 0x014
372 access_mode RW
373 modes M_CCHAN
374 size 2
375 dont_generate_debug_code
376 }
378 /*
379 * Queue Offset Control & Status
380 */
381 register QOFF_CTLSTA {
382 address 0x016
383 access_mode RW
384 modes M_CCHAN
385 field EMPTY_SCB_AVAIL 0x80
386 field NEW_SCB_AVAIL 0x40
387 field SDSCB_ROLLOVR 0x20
388 field HS_MAILBOX_ACT 0x10
389 field SCB_QSIZE 0x0F {
390 SCB_QSIZE_4,
391 SCB_QSIZE_8,
392 SCB_QSIZE_16,
393 SCB_QSIZE_32,
394 SCB_QSIZE_64,
395 SCB_QSIZE_128,
396 SCB_QSIZE_256,
397 SCB_QSIZE_512,
398 SCB_QSIZE_1024,
399 SCB_QSIZE_2048,
400 SCB_QSIZE_4096,
401 SCB_QSIZE_8192,
402 SCB_QSIZE_16384
403 }
404 dont_generate_debug_code
405 }
407 /*
408 * Interrupt Control
409 */
410 register INTCTL {
411 address 0x018
412 access_mode RW
413 field SWTMINTMASK 0x80
414 field SWTMINTEN 0x40
415 field SWTIMER_START 0x20
416 field AUTOCLRCMDINT 0x10
417 field PCIINTEN 0x08
418 field SCSIINTEN 0x04
419 field SEQINTEN 0x02
420 field SPLTINTEN 0x01
421 }
423 /*
424 * Data FIFO Control
425 */
426 register DFCNTRL {
427 address 0x019
428 access_mode RW
429 modes M_DFF0, M_DFF1
430 count 11
431 field PRELOADEN 0x80
432 field SCSIENWRDIS 0x40 /* Rev B only. */
433 field SCSIEN 0x20
434 field SCSIENACK 0x20
435 field HDMAEN 0x08
436 field HDMAENACK 0x08
437 field DIRECTION 0x04
438 field DIRECTIONACK 0x04
439 field FIFOFLUSH 0x02
440 field FIFOFLUSHACK 0x02
441 field DIRECTIONEN 0x01
442 }
444 /*
445 * Device Space Command 0
446 */
447 register DSCOMMAND0 {
448 address 0x019
449 count 1
450 access_mode RW
451 modes M_CFG
452 field CACHETHEN 0x80 /* Cache Threshold enable */
453 field DPARCKEN 0x40 /* Data Parity Check Enable */
454 field MPARCKEN 0x20 /* Memory Parity Check Enable */
455 field EXTREQLCK 0x10 /* External Request Lock */
456 field DISABLE_TWATE 0x02 /* Rev B or greater */
457 field CIOPARCKEN 0x01 /* Internal bus parity error enable */
458 dont_generate_debug_code
459 }
461 /*
462 * Data FIFO Status
463 */
464 register DFSTATUS {
465 address 0x01A
466 access_mode RO
467 modes M_DFF0, M_DFF1
468 field PRELOAD_AVAIL 0x80
469 field PKT_PRELOAD_AVAIL 0x40
470 field MREQPEND 0x10
471 field HDONE 0x08
472 field DFTHRESH 0x04
473 field FIFOFULL 0x02
474 field FIFOEMP 0x01
475 }
477 /*
478 * S/G Cache Pointer
479 */
480 register SG_CACHE_PRE {
481 address 0x01B
482 access_mode WO
483 modes M_DFF0, M_DFF1
484 field SG_ADDR_MASK 0xf8
485 field ODD_SEG 0x04
486 field LAST_SEG 0x02
487 dont_generate_debug_code
488 }
490 register SG_CACHE_SHADOW {
491 address 0x01B
492 access_mode RO
493 modes M_DFF0, M_DFF1
494 field SG_ADDR_MASK 0xf8
495 field ODD_SEG 0x04
496 field LAST_SEG 0x02
497 field LAST_SEG_DONE 0x01
498 }
500 /*
501 * Arbiter Control
502 */
503 register ARBCTL {
504 address 0x01B
505 access_mode RW
506 modes M_CFG
507 field RESET_HARB 0x80
508 field RETRY_SWEN 0x08
509 field USE_TIME 0x07
510 }
512 /*
513 * Data Channel Host Address
514 */
515 register HADDR {
516 address 0x070
517 access_mode RW
518 size 8
519 modes M_DFF0, M_DFF1
520 dont_generate_debug_code
521 }
523 /*
524 * Host Overlay DMA Address
525 */
526 register HODMAADR {
527 address 0x070
528 access_mode RW
529 size 8
530 modes M_SCSI
531 }
533 /*
534 * PCI PLL Delay.
535 */
536 register PLLDELAY {
537 address 0x070
538 access_mode RW
539 size 1
540 modes M_CFG
541 field SPLIT_DROP_REQ 0x80
542 }
544 /*
545 * Data Channel Host Count
546 */
547 register HCNT {
548 address 0x078
549 access_mode RW
550 size 3
551 modes M_DFF0, M_DFF1
552 dont_generate_debug_code
553 }
555 /*
556 * Host Overlay DMA Count
557 */
558 register HODMACNT {
559 address 0x078
560 access_mode RW
561 size 2
562 modes M_SCSI
563 }
565 /*
566 * Host Overlay DMA Enable
567 */
568 register HODMAEN {
569 address 0x07A
570 access_mode RW
571 modes M_SCSI
572 }
574 /*
575 * Scatter/Gather Host Address
576 */
577 register SGHADDR {
578 address 0x07C
579 access_mode RW
580 size 8
581 modes M_DFF0, M_DFF1
582 dont_generate_debug_code
583 }
585 /*
586 * SCB Host Address
587 */
588 register SCBHADDR {
589 address 0x07C
590 access_mode RW
591 size 8
592 modes M_CCHAN
593 dont_generate_debug_code
594 }
596 /*
597 * Scatter/Gather Host Count
598 */
599 register SGHCNT {
600 address 0x084
601 access_mode RW
602 modes M_DFF0, M_DFF1
603 dont_generate_debug_code
604 }
606 /*
607 * SCB Host Count
608 */
609 register SCBHCNT {
610 address 0x084
611 access_mode RW
612 modes M_CCHAN
613 dont_generate_debug_code
614 }
616 /*
617 * Data FIFO Threshold
618 */
619 register DFF_THRSH {
620 address 0x088
621 access_mode RW
622 modes M_CFG
623 count 1
624 field WR_DFTHRSH 0x70 {
625 WR_DFTHRSH_MIN,
626 WR_DFTHRSH_25,
627 WR_DFTHRSH_50,
628 WR_DFTHRSH_63,
629 WR_DFTHRSH_75,
630 WR_DFTHRSH_85,
631 WR_DFTHRSH_90,
632 WR_DFTHRSH_MAX
633 }
634 field RD_DFTHRSH 0x07 {
635 RD_DFTHRSH_MIN,
636 RD_DFTHRSH_25,
637 RD_DFTHRSH_50,
638 RD_DFTHRSH_63,
639 RD_DFTHRSH_75,
640 RD_DFTHRSH_85,
641 RD_DFTHRSH_90,
642 RD_DFTHRSH_MAX
643 }
644 dont_generate_debug_code
645 }
647 /*
648 * ROM Address
649 */
650 register ROMADDR {
651 address 0x08A
652 access_mode RW
653 size 3
654 }
656 /*
657 * ROM Control
658 */
659 register ROMCNTRL {
660 address 0x08D
661 access_mode RW
662 field ROMOP 0xE0
663 field ROMSPD 0x18
664 field REPEAT 0x02
665 field RDY 0x01
666 }
668 /*
669 * ROM Data
670 */
671 register ROMDATA {
672 address 0x08E
673 access_mode RW
674 }
676 /*
677 * Data Channel Receive Message 0
678 */
679 register DCHRXMSG0 {
680 address 0x090
681 access_mode RO
682 modes M_DFF0, M_DFF1
683 field CDNUM 0xF8
684 field CFNUM 0x07
685 }
687 /*
688 * CMC Receive Message 0
689 */
690 register CMCRXMSG0 {
691 address 0x090
692 access_mode RO
693 modes M_CCHAN
694 field CDNUM 0xF8
695 field CFNUM 0x07
696 }
698 /*
699 * Overlay Receive Message 0
700 */
701 register OVLYRXMSG0 {
702 address 0x090
703 access_mode RO
704 modes M_SCSI
705 field CDNUM 0xF8
706 field CFNUM 0x07
707 }
709 /*
710 * Relaxed Order Enable
711 */
712 register ROENABLE {
713 address 0x090
714 access_mode RW
715 modes M_CFG
716 field MSIROEN 0x20
717 field OVLYROEN 0x10
718 field CMCROEN 0x08
719 field SGROEN 0x04
720 field DCH1ROEN 0x02
721 field DCH0ROEN 0x01
722 }
724 /*
725 * Data Channel Receive Message 1
726 */
727 register DCHRXMSG1 {
728 address 0x091
729 access_mode RO
730 modes M_DFF0, M_DFF1
731 field CBNUM 0xFF
732 }
734 /*
735 * CMC Receive Message 1
736 */
737 register CMCRXMSG1 {
738 address 0x091
739 access_mode RO
740 modes M_CCHAN
741 field CBNUM 0xFF
742 }
744 /*
745 * Overlay Receive Message 1
746 */
747 register OVLYRXMSG1 {
748 address 0x091
749 access_mode RO
750 modes M_SCSI
751 field CBNUM 0xFF
752 }
754 /*
755 * No Snoop Enable
756 */
757 register NSENABLE {
758 address 0x091
759 access_mode RW
760 modes M_CFG
761 field MSINSEN 0x20
762 field OVLYNSEN 0x10
763 field CMCNSEN 0x08
764 field SGNSEN 0x04
765 field DCH1NSEN 0x02
766 field DCH0NSEN 0x01
767 }
769 /*
770 * Data Channel Receive Message 2
771 */
772 register DCHRXMSG2 {
773 address 0x092
774 access_mode RO
775 modes M_DFF0, M_DFF1
776 field MINDEX 0xFF
777 }
779 /*
780 * CMC Receive Message 2
781 */
782 register CMCRXMSG2 {
783 address 0x092
784 access_mode RO
785 modes M_CCHAN
786 field MINDEX 0xFF
787 }
789 /*
790 * Overlay Receive Message 2
791 */
792 register OVLYRXMSG2 {
793 address 0x092
794 access_mode RO
795 modes M_SCSI
796 field MINDEX 0xFF
797 }
799 /*
800 * Outstanding Split Transactions
801 */
802 register OST {
803 address 0x092
804 access_mode RW
805 modes M_CFG
806 }
808 /*
809 * Data Channel Receive Message 3
810 */
811 register DCHRXMSG3 {
812 address 0x093
813 access_mode RO
814 modes M_DFF0, M_DFF1
815 field MCLASS 0x0F
816 }
818 /*
819 * CMC Receive Message 3
820 */
821 register CMCRXMSG3 {
822 address 0x093
823 access_mode RO
824 modes M_CCHAN
825 field MCLASS 0x0F
826 }
828 /*
829 * Overlay Receive Message 3
830 */
831 register OVLYRXMSG3 {
832 address 0x093
833 access_mode RO
834 modes M_SCSI
835 field MCLASS 0x0F
836 }
838 /*
839 * PCI-X Control
840 */
841 register PCIXCTL {
842 address 0x093
843 access_mode RW
844 modes M_CFG
845 count 1
846 field SERRPULSE 0x80
847 field UNEXPSCIEN 0x20
848 field SPLTSMADIS 0x10
849 field SPLTSTADIS 0x08
850 field SRSPDPEEN 0x04
851 field TSCSERREN 0x02
852 field CMPABCDIS 0x01
853 dont_generate_debug_code
854 }
856 /*
857 * CMC Sequencer Byte Count
858 */
859 register CMCSEQBCNT {
860 address 0x094
861 access_mode RO
862 modes M_CCHAN
863 }
865 /*
866 * Overlay Sequencer Byte Count
867 */
868 register OVLYSEQBCNT {
869 address 0x094
870 access_mode RO
871 modes M_SCSI
872 }
874 /*
875 * Data Channel Sequencer Byte Count
876 */
877 register DCHSEQBCNT {
878 address 0x094
879 access_mode RO
880 size 2
881 modes M_DFF0, M_DFF1
882 }
884 /*
885 * Data Channel Split Status 0
886 */
887 register DCHSPLTSTAT0 {
888 address 0x096
889 access_mode RW
890 modes M_DFF0, M_DFF1
891 count 2
892 field STAETERM 0x80
893 field SCBCERR 0x40
894 field SCADERR 0x20
895 field SCDATBUCKET 0x10
896 field CNTNOTCMPLT 0x08
897 field RXOVRUN 0x04
898 field RXSCEMSG 0x02
899 field RXSPLTRSP 0x01
900 dont_generate_debug_code
901 }
903 /*
904 * CMC Split Status 0
905 */
906 register CMCSPLTSTAT0 {
907 address 0x096
908 access_mode RW
909 modes M_CCHAN
910 field STAETERM 0x80
911 field SCBCERR 0x40
912 field SCADERR 0x20
913 field SCDATBUCKET 0x10
914 field CNTNOTCMPLT 0x08
915 field RXOVRUN 0x04
916 field RXSCEMSG 0x02
917 field RXSPLTRSP 0x01
918 }
920 /*
921 * Overlay Split Status 0
922 */
923 register OVLYSPLTSTAT0 {
924 address 0x096
925 access_mode RW
926 modes M_SCSI
927 field STAETERM 0x80
928 field SCBCERR 0x40
929 field SCADERR 0x20
930 field SCDATBUCKET 0x10
931 field CNTNOTCMPLT 0x08
932 field RXOVRUN 0x04
933 field RXSCEMSG 0x02
934 field RXSPLTRSP 0x01
935 }
937 /*
938 * Data Channel Split Status 1
939 */
940 register DCHSPLTSTAT1 {
941 address 0x097
942 access_mode RW
943 modes M_DFF0, M_DFF1
944 count 2
945 field RXDATABUCKET 0x01
946 dont_generate_debug_code
947 }
949 /*
950 * CMC Split Status 1
951 */
952 register CMCSPLTSTAT1 {
953 address 0x097
954 access_mode RW
955 modes M_CCHAN
956 field RXDATABUCKET 0x01
957 }
959 /*
960 * Overlay Split Status 1
961 */
962 register OVLYSPLTSTAT1 {
963 address 0x097
964 access_mode RW
965 modes M_SCSI
966 field RXDATABUCKET 0x01
967 }
969 /*
970 * S/G Receive Message 0
971 */
972 register SGRXMSG0 {
973 address 0x098
974 access_mode RO
975 modes M_DFF0, M_DFF1
976 field CDNUM 0xF8
977 field CFNUM 0x07
978 }
980 /*
981 * S/G Receive Message 1
982 */
983 register SGRXMSG1 {
984 address 0x099
985 access_mode RO
986 modes M_DFF0, M_DFF1
987 field CBNUM 0xFF
988 }
990 /*
991 * S/G Receive Message 2
992 */
993 register SGRXMSG2 {
994 address 0x09A
995 access_mode RO
996 modes M_DFF0, M_DFF1
997 field MINDEX 0xFF
998 }
1000 /*
1001 * S/G Receive Message 3
1002 */
1003 register SGRXMSG3 {
1004 address 0x09B
1005 access_mode RO
1006 modes M_DFF0, M_DFF1
1007 field MCLASS 0x0F
1008 }
1010 /*
1011 * Slave Split Out Address 0
1012 */
1013 register SLVSPLTOUTADR0 {
1014 address 0x098
1015 access_mode RO
1016 modes M_SCSI
1017 field LOWER_ADDR 0x7F
1018 }
1020 /*
1021 * Slave Split Out Address 1
1022 */
1023 register SLVSPLTOUTADR1 {
1024 address 0x099
1025 access_mode RO
1026 modes M_SCSI
1027 field REQ_DNUM 0xF8
1028 field REQ_FNUM 0x07
1029 }
1031 /*
1032 * Slave Split Out Address 2
1033 */
1034 register SLVSPLTOUTADR2 {
1035 address 0x09A
1036 access_mode RO
1037 modes M_SCSI
1038 field REQ_BNUM 0xFF
1039 }
1041 /*
1042 * Slave Split Out Address 3
1043 */
1044 register SLVSPLTOUTADR3 {
1045 address 0x09B
1046 access_mode RO
1047 modes M_SCSI
1048 field RLXORD 020
1049 field TAG_NUM 0x1F
1050 }
1052 /*
1053 * SG Sequencer Byte Count
1054 */
1055 register SGSEQBCNT {
1056 address 0x09C
1057 access_mode RO
1058 modes M_DFF0, M_DFF1
1059 }
1061 /*
1062 * Slave Split Out Attribute 0
1063 */
1064 register SLVSPLTOUTATTR0 {
1065 address 0x09C
1066 access_mode RO
1067 modes M_SCSI
1068 field LOWER_BCNT 0xFF
1069 }
1071 /*
1072 * Slave Split Out Attribute 1
1073 */
1074 register SLVSPLTOUTATTR1 {
1075 address 0x09D
1076 access_mode RO
1077 modes M_SCSI
1078 field CMPLT_DNUM 0xF8
1079 field CMPLT_FNUM 0x07
1080 }
1082 /*
1083 * Slave Split Out Attribute 2
1084 */
1085 register SLVSPLTOUTATTR2 {
1086 address 0x09E
1087 access_mode RO
1088 size 2
1089 modes M_SCSI
1090 field CMPLT_BNUM 0xFF
1091 }
1092 /*
1093 * S/G Split Status 0
1094 */
1095 register SGSPLTSTAT0 {
1096 address 0x09E
1097 access_mode RW
1098 modes M_DFF0, M_DFF1
1099 count 2
1100 field STAETERM 0x80
1101 field SCBCERR 0x40
1102 field SCADERR 0x20
1103 field SCDATBUCKET 0x10
1104 field CNTNOTCMPLT 0x08
1105 field RXOVRUN 0x04
1106 field RXSCEMSG 0x02
1107 field RXSPLTRSP 0x01
1108 dont_generate_debug_code
1109 }
1111 /*
1112 * S/G Split Status 1
1113 */
1114 register SGSPLTSTAT1 {
1115 address 0x09F
1116 access_mode RW
1117 modes M_DFF0, M_DFF1
1118 count 2
1119 field RXDATABUCKET 0x01
1120 dont_generate_debug_code
1121 }
1123 /*
1124 * Special Function
1125 */
1126 register SFUNCT {
1127 address 0x09f
1128 access_mode RW
1129 modes M_CFG
1130 field TEST_GROUP 0xF0
1131 field TEST_NUM 0x0F
1132 dont_generate_debug_code
1133 }
1135 /*
1136 * Data FIFO 0 PCI Status
1137 */
1138 register DF0PCISTAT {
1139 address 0x0A0
1140 access_mode RW
1141 modes M_CFG
1142 count 1
1143 field DPE 0x80
1144 field SSE 0x40
1145 field RMA 0x20
1146 field RTA 0x10
1147 field SCAAPERR 0x08
1148 field RDPERR 0x04
1149 field TWATERR 0x02
1150 field DPR 0x01
1151 dont_generate_debug_code
1152 }
1154 /*
1155 * Data FIFO 1 PCI Status
1156 */
1157 register DF1PCISTAT {
1158 address 0x0A1
1159 access_mode RW
1160 modes M_CFG
1161 field DPE 0x80
1162 field SSE 0x40
1163 field RMA 0x20
1164 field RTA 0x10
1165 field SCAAPERR 0x08
1166 field RDPERR 0x04
1167 field TWATERR 0x02
1168 field DPR 0x01
1169 }
1171 /*
1172 * S/G PCI Status
1173 */
1174 register SGPCISTAT {
1175 address 0x0A2
1176 access_mode RW
1177 modes M_CFG
1178 field DPE 0x80
1179 field SSE 0x40
1180 field RMA 0x20
1181 field RTA 0x10
1182 field SCAAPERR 0x08
1183 field RDPERR 0x04
1184 field DPR 0x01
1185 }
1187 /*
1188 * CMC PCI Status
1189 */
1190 register CMCPCISTAT {
1191 address 0x0A3
1192 access_mode RW
1193 modes M_CFG
1194 field DPE 0x80
1195 field SSE 0x40
1196 field RMA 0x20
1197 field RTA 0x10
1198 field SCAAPERR 0x08
1199 field RDPERR 0x04
1200 field TWATERR 0x02
1201 field DPR 0x01
1202 }
1204 /*
1205 * Overlay PCI Status
1206 */
1207 register OVLYPCISTAT {
1208 address 0x0A4
1209 access_mode RW
1210 modes M_CFG
1211 field DPE 0x80
1212 field SSE 0x40
1213 field RMA 0x20
1214 field RTA 0x10
1215 field SCAAPERR 0x08
1216 field RDPERR 0x04
1217 field DPR 0x01
1218 }
1220 /*
1221 * PCI Status for MSI Master DMA Transfer
1222 */
1223 register MSIPCISTAT {
1224 address 0x0A6
1225 access_mode RW
1226 modes M_CFG
1227 field SSE 0x40
1228 field RMA 0x20
1229 field RTA 0x10
1230 field CLRPENDMSI 0x08
1231 field TWATERR 0x02
1232 field DPR 0x01
1233 }
1235 /*
1236 * PCI Status for Target
1237 */
1238 register TARGPCISTAT {
1239 address 0x0A7
1240 access_mode RW
1241 modes M_CFG
1242 count 5
1243 field DPE 0x80
1244 field SSE 0x40
1245 field STA 0x08
1246 field TWATERR 0x02
1247 dont_generate_debug_code
1248 }
1250 /*
1251 * LQ Packet In
1252 * The last LQ Packet received
1253 */
1254 register LQIN {
1255 address 0x020
1256 access_mode RW
1257 size 20
1258 count 2
1259 modes M_DFF0, M_DFF1, M_SCSI
1260 dont_generate_debug_code
1261 }
1263 /*
1264 * SCB Type Pointer
1265 * SCB offset for Target Mode SCB type information
1266 */
1267 register TYPEPTR {
1268 address 0x020
1269 access_mode RW
1270 modes M_CFG
1271 }
1273 /*
1274 * Queue Tag Pointer
1275 * SCB offset to the Two Byte tag identifier used for target mode.
1276 */
1277 register TAGPTR {
1278 address 0x021
1279 access_mode RW
1280 modes M_CFG
1281 }
1283 /*
1284 * Logical Unit Number Pointer
1285 * SCB offset to the LSB (little endian) of the lun field.
1286 */
1287 register LUNPTR {
1288 address 0x022
1289 access_mode RW
1290 modes M_CFG
1291 count 2
1292 dont_generate_debug_code
1293 }
1295 /*
1296 * Data Length Pointer
1297 * SCB offset for the 4 byte data length field in target mode.
1298 */
1299 register DATALENPTR {
1300 address 0x023
1301 access_mode RW
1302 modes M_CFG
1303 }
1305 /*
1306 * Status Length Pointer
1307 * SCB offset to the two byte status field in target SCBs.
1308 */
1309 register STATLENPTR {
1310 address 0x024
1311 access_mode RW
1312 modes M_CFG
1313 }
1315 /*
1316 * Command Length Pointer
1317 * Scb offset for the CDB length field in initiator SCBs.
1318 */
1319 register CMDLENPTR {
1320 address 0x025
1321 access_mode RW
1322 modes M_CFG
1323 count 1
1324 dont_generate_debug_code
1325 }
1327 /*
1328 * Task Attribute Pointer
1329 * Scb offset for the byte field specifying the attribute byte
1330 * to be used in command packets.
1331 */
1332 register ATTRPTR {
1333 address 0x026
1334 access_mode RW
1335 modes M_CFG
1336 count 1
1337 dont_generate_debug_code
1338 }
1340 /*
1341 * Task Management Flags Pointer
1342 * Scb offset for the byte field specifying the attribute flags
1343 * byte to be used in command packets.
1344 */
1345 register FLAGPTR {
1346 address 0x027
1347 access_mode RW
1348 modes M_CFG
1349 count 1
1350 dont_generate_debug_code
1351 }
1353 /*
1354 * Command Pointer
1355 * Scb offset for the first byte in the CDB for initiator SCBs.
1356 */
1357 register CMDPTR {
1358 address 0x028
1359 access_mode RW
1360 modes M_CFG
1361 count 1
1362 dont_generate_debug_code
1363 }
1365 /*
1366 * Queue Next Pointer
1367 * Scb offset for the 2 byte "next scb link".
1368 */
1369 register QNEXTPTR {
1370 address 0x029
1371 access_mode RW
1372 modes M_CFG
1373 count 1
1374 dont_generate_debug_code
1375 }
1377 /*
1378 * SCSI ID Pointer
1379 * Scb offset to the value to place in the SCSIID register
1380 * during target mode connections.
1381 */
1382 register IDPTR {
1383 address 0x02A
1384 access_mode RW
1385 modes M_CFG
1386 }
1388 /*
1389 * Command Aborted Byte Pointer
1390 * Offset to the SCB flags field that includes the
1391 * "SCB aborted" status bit.
1392 */
1393 register ABRTBYTEPTR {
1394 address 0x02B
1395 access_mode RW
1396 modes M_CFG
1397 count 1
1398 dont_generate_debug_code
1399 }
1401 /*
1402 * Command Aborted Bit Pointer
1403 * Bit offset in the SCB flags field for "SCB aborted" status.
1404 */
1405 register ABRTBITPTR {
1406 address 0x02C
1407 access_mode RW
1408 modes M_CFG
1409 count 1
1410 dont_generate_debug_code
1411 }
1413 /*
1414 * Rev B or greater.
1415 */
1416 register MAXCMDBYTES {
1417 address 0x02D
1418 access_mode RW
1419 modes M_CFG
1420 }
1422 /*
1423 * Rev B or greater.
1424 */
1425 register MAXCMD2RCV {
1426 address 0x02E
1427 access_mode RW
1428 modes M_CFG
1429 }
1431 /*
1432 * Rev B or greater.
1433 */
1434 register SHORTTHRESH {
1435 address 0x02F
1436 access_mode RW
1437 modes M_CFG
1438 }
1440 /*
1441 * Logical Unit Number Length
1442 * The length, in bytes, of the SCB lun field.
1443 */
1444 register LUNLEN {
1445 address 0x030
1446 access_mode RW
1447 modes M_CFG
1448 count 2
1449 mask ILUNLEN 0x0F
1450 mask TLUNLEN 0xF0
1451 dont_generate_debug_code
1452 }
1453 const LUNLEN_SINGLE_LEVEL_LUN 0xF
1455 /*
1456 * CDB Limit
1457 * The size, in bytes, of the embedded CDB field in initator SCBs.
1458 */
1459 register CDBLIMIT {
1460 address 0x031
1461 access_mode RW
1462 modes M_CFG
1463 count 1
1464 dont_generate_debug_code
1465 }
1467 /*
1468 * Maximum Commands
1469 * The maximum number of commands to issue during a
1470 * single packetized connection.
1471 */
1472 register MAXCMD {
1473 address 0x032
1474 access_mode RW
1475 modes M_CFG
1476 count 9
1477 dont_generate_debug_code
1478 }
1480 /*
1481 * Maximum Command Counter
1482 * The number of commands already sent during this connection
1483 */
1484 register MAXCMDCNT {
1485 address 0x033
1486 access_mode RW
1487 modes M_CFG
1488 dont_generate_debug_code
1489 }
1491 /*
1492 * LQ Packet Reserved Bytes
1493 * The bytes to be sent in the currently reserved fileds
1494 * of all LQ packets.
1495 */
1496 register LQRSVD01 {
1497 address 0x034
1498 access_mode RW
1499 modes M_SCSI
1500 }
1501 register LQRSVD16 {
1502 address 0x035
1503 access_mode RW
1504 modes M_SCSI
1505 }
1506 register LQRSVD17 {
1507 address 0x036
1508 access_mode RW
1509 modes M_SCSI
1510 }
1512 /*
1513 * Command Reserved 0
1514 * The byte to be sent for the reserved byte 0 of
1515 * outgoing command packets.
1516 */
1517 register CMDRSVD0 {
1518 address 0x037
1519 access_mode RW
1520 modes M_CFG
1521 }
1523 /*
1524 * LQ Manager Control 0
1525 */
1526 register LQCTL0 {
1527 address 0x038
1528 access_mode RW
1529 modes M_CFG
1530 field LQITARGCLT 0xC0
1531 field LQIINITGCLT 0x30
1532 field LQ0TARGCLT 0x0C
1533 field LQ0INITGCLT 0x03
1534 }
1536 /*
1537 * LQ Manager Control 1
1538 */
1539 register LQCTL1 {
1540 address 0x038
1541 access_mode RW
1542 modes M_DFF0, M_DFF1, M_SCSI
1543 count 2
1544 field PCI2PCI 0x04
1545 field SINGLECMD 0x02
1546 field ABORTPENDING 0x01
1547 dont_generate_debug_code
1548 }
1550 /*
1551 * LQ Manager Control 2
1552 */
1553 register LQCTL2 {
1554 address 0x039
1555 access_mode RW
1556 modes M_DFF0, M_DFF1, M_SCSI
1557 count 5
1558 field LQIRETRY 0x80
1559 field LQICONTINUE 0x40
1560 field LQITOIDLE 0x20
1561 field LQIPAUSE 0x10
1562 field LQORETRY 0x08
1563 field LQOCONTINUE 0x04
1564 field LQOTOIDLE 0x02
1565 field LQOPAUSE 0x01
1566 dont_generate_debug_code
1567 }
1569 /*
1570 * SCSI RAM BIST0
1571 */
1572 register SCSBIST0 {
1573 address 0x039
1574 access_mode RW
1575 modes M_CFG
1576 field GSBISTERR 0x40
1577 field GSBISTDONE 0x20
1578 field GSBISTRUN 0x10
1579 field OSBISTERR 0x04
1580 field OSBISTDONE 0x02
1581 field OSBISTRUN 0x01
1582 }
1584 /*
1585 * SCSI Sequence Control0
1586 */
1587 register SCSISEQ0 {
1588 address 0x03A
1589 access_mode RW
1590 modes M_DFF0, M_DFF1, M_SCSI
1591 field TEMODEO 0x80
1592 field ENSELO 0x40
1593 field ENARBO 0x20
1594 field FORCEBUSFREE 0x10
1595 field SCSIRSTO 0x01
1596 }
1598 /*
1599 * SCSI RAM BIST 1
1600 */
1601 register SCSBIST1 {
1602 address 0x03A
1603 access_mode RW
1604 modes M_CFG
1605 field NTBISTERR 0x04
1606 field NTBISTDONE 0x02
1607 field NTBISTRUN 0x01
1608 }
1610 /*
1611 * SCSI Sequence Control 1
1612 */
1613 register SCSISEQ1 {
1614 address 0x03B
1615 access_mode RW
1616 modes M_DFF0, M_DFF1, M_SCSI
1617 count 8
1618 field MANUALCTL 0x40
1619 field ENSELI 0x20
1620 field ENRSELI 0x10
1621 field MANUALP 0x0C
1622 field ENAUTOATNP 0x02
1623 field ALTSTIM 0x01
1624 }
1626 /*
1627 * SCSI Transfer Control 0
1628 */
1629 register SXFRCTL0 {
1630 address 0x03C
1631 access_mode RW
1632 modes M_SCSI
1633 field DFON 0x80
1634 field DFPEXP 0x40
1635 field BIOSCANCELEN 0x10
1636 field SPIOEN 0x08
1637 dont_generate_debug_code
1638 }
1640 /*
1641 * SCSI Transfer Control 1
1642 */
1643 register SXFRCTL1 {
1644 address 0x03D
1645 access_mode RW
1646 modes M_SCSI
1647 field BITBUCKET 0x80
1648 field ENSACHK 0x40
1649 field ENSPCHK 0x20
1650 field STIMESEL 0x18
1651 field ENSTIMER 0x04
1652 field ACTNEGEN 0x02
1653 field STPWEN 0x01
1654 dont_generate_debug_code
1655 }
1657 /*
1658 * SCSI Transfer Control 2
1659 */
1660 register SXFRCTL2 {
1661 address 0x03E
1662 access_mode RW
1663 modes M_SCSI
1664 field AUTORSTDIS 0x10
1665 field CMDDMAEN 0x08
1666 field ASU 0x07
1667 }
1669 /*
1670 * SCSI Bus Initiator IDs
1671 * Bitmask of observed initiators on the bus.
1672 */
1673 register BUSINITID {
1674 address 0x03C
1675 access_mode RW
1676 modes M_CFG
1677 size 2
1678 }
1680 /*
1681 * Data Length Counters
1682 * Packet byte counter.
1683 */
1684 register DLCOUNT {
1685 address 0x03C
1686 access_mode RW
1687 modes M_DFF0, M_DFF1
1688 size 3
1689 }
1691 /*
1692 * Data FIFO Status
1693 */
1694 register DFFSTAT {
1695 address 0x03F
1696 access_mode RW
1697 modes M_SCSI
1698 field FIFO1FREE 0x20
1699 field FIFO0FREE 0x10
1700 /*
1701 * On the B, this enum only works
1702 * in the read direction. For writes,
1703 * you must use the B version of the
1704 * CURRFIFO_0 definition which is defined
1705 * as a constant outside of this register
1706 * definition to avoid confusing the
1707 * register pretty printing code.
1708 */
1709 enum CURRFIFO 0x03 {
1710 CURRFIFO_0,
1711 CURRFIFO_1,
1712 CURRFIFO_NONE 0x3
1713 }
1714 }
1716 const B_CURRFIFO_0 0x2
1718 /*
1719 * SCSI Bus Target IDs
1720 * Bitmask of observed targets on the bus.
1721 */
1722 register BUSTARGID {
1723 address 0x03E
1724 access_mode RW
1725 modes M_CFG
1726 size 2
1727 }
1729 /*
1730 * SCSI Control Signal Out
1731 */
1732 register SCSISIGO {
1733 address 0x040
1734 access_mode RW
1735 modes M_DFF0, M_DFF1, M_SCSI
1736 field CDO 0x80
1737 field IOO 0x40
1738 field MSGO 0x20
1739 field ATNO 0x10
1740 field SELO 0x08
1741 field BSYO 0x04
1742 field REQO 0x02
1743 field ACKO 0x01
1744 /*
1745 * Possible phases to write into SCSISIG0
1746 */
1747 enum PHASE_MASK CDO|IOO|MSGO {
1748 P_DATAOUT 0x0,
1749 P_DATAIN IOO,
1750 P_DATAOUT_DT P_DATAOUT|MSGO,
1751 P_DATAIN_DT P_DATAIN|MSGO,
1752 P_COMMAND CDO,
1753 P_MESGOUT CDO|MSGO,
1754 P_STATUS CDO|IOO,
1755 P_MESGIN CDO|IOO|MSGO
1756 }
1757 dont_generate_debug_code
1758 }
1760 /*
1761 * SCSI Control Signal In
1762 */
1763 register SCSISIGI {
1764 address 0x041
1765 access_mode RO
1766 modes M_DFF0, M_DFF1, M_SCSI
1767 field CDI 0x80
1768 field IOI 0x40
1769 field MSGI 0x20
1770 field ATNI 0x10
1771 field SELI 0x08
1772 field BSYI 0x04
1773 field REQI 0x02
1774 field ACKI 0x01
1775 /*
1776 * Possible phases in SCSISIGI
1777 */
1778 enum PHASE_MASK CDO|IOO|MSGO {
1779 P_DATAOUT 0x0,
1780 P_DATAIN IOO,
1781 P_DATAOUT_DT P_DATAOUT|MSGO,
1782 P_DATAIN_DT P_DATAIN|MSGO,
1783 P_COMMAND CDO,
1784 P_MESGOUT CDO|MSGO,
1785 P_STATUS CDO|IOO,
1786 P_MESGIN CDO|IOO|MSGO
1787 }
1788 }
1790 /*
1791 * Multiple Target IDs
1792 * Bitmask of ids to respond as a target.
1793 */
1794 register MULTARGID {
1795 address 0x040
1796 access_mode RW
1797 modes M_CFG
1798 size 2
1799 count 2
1800 dont_generate_debug_code
1801 }
1803 /*
1804 * SCSI Phase
1805 */
1806 register SCSIPHASE {
1807 address 0x042
1808 access_mode RO
1809 modes M_DFF0, M_DFF1, M_SCSI
1810 field STATUS_PHASE 0x20
1811 field COMMAND_PHASE 0x10
1812 field MSG_IN_PHASE 0x08
1813 field MSG_OUT_PHASE 0x04
1814 field DATA_PHASE_MASK 0x03 {
1815 DATA_OUT_PHASE 0x01,
1816 DATA_IN_PHASE 0x02
1817 }
1818 }
1820 /*
1821 * SCSI Data 0 Image
1822 */
1823 register SCSIDAT0_IMG {
1824 address 0x043
1825 access_mode RW
1826 modes M_DFF0, M_DFF1, M_SCSI
1827 }
1829 /*
1830 * SCSI Latched Data
1831 */
1832 register SCSIDAT {
1833 address 0x044
1834 access_mode RW
1835 modes M_DFF0, M_DFF1, M_SCSI
1836 size 2
1837 dont_generate_debug_code
1838 }
1840 /*
1841 * SCSI Data Bus
1842 */
1843 register SCSIBUS {
1844 address 0x046
1845 access_mode RW
1846 modes M_DFF0, M_DFF1, M_SCSI
1847 size 2
1848 }
1850 /*
1851 * Target ID In
1852 */
1853 register TARGIDIN {
1854 address 0x048
1855 access_mode RO
1856 modes M_DFF0, M_DFF1, M_SCSI
1857 count 2
1858 field CLKOUT 0x80
1859 field TARGID 0x0F
1860 dont_generate_debug_code
1861 }
1863 /*
1864 * Selection/Reselection ID
1865 * Upper four bits are the device id. The ONEBIT is set when the re/selecting
1866 * device did not set its own ID.
1867 */
1868 register SELID {
1869 address 0x049
1870 access_mode RW
1871 modes M_DFF0, M_DFF1, M_SCSI
1872 field SELID_MASK 0xf0
1873 field ONEBIT 0x08
1874 }
1876 /*
1877 * SCSI Block Control
1878 * Controls Bus type and channel selection. SELWIDE allows for the
1879 * coexistence of 8bit and 16bit devices on a wide bus.
1880 */
1881 register SBLKCTL {
1882 address 0x04A
1883 access_mode RW
1884 modes M_DFF0, M_DFF1, M_SCSI
1885 field DIAGLEDEN 0x80
1886 field DIAGLEDON 0x40
1887 field ENAB40 0x08 /* LVD transceiver active */
1888 field ENAB20 0x04 /* SE/HVD transceiver active */
1889 field SELWIDE 0x02
1890 dont_generate_debug_code
1891 }
1893 /*
1894 * Option Mode
1895 */
1896 register OPTIONMODE {
1897 address 0x04A
1898 access_mode RW
1899 modes M_CFG
1900 count 4
1901 field BIOSCANCTL 0x80
1902 field AUTOACKEN 0x40
1903 field BIASCANCTL 0x20
1904 field BUSFREEREV 0x10
1905 field ENDGFORMCHK 0x04
1906 field AUTO_MSGOUT_DE 0x02
1907 mask OPTIONMODE_DEFAULTS AUTO_MSGOUT_DE
1908 dont_generate_debug_code
1909 }
1911 /*
1912 * SCSI Status 0
1913 */
1914 register SSTAT0 {
1915 address 0x04B
1916 access_mode RO
1917 modes M_DFF0, M_DFF1, M_SCSI
1918 field TARGET 0x80 /* Board acting as target */
1919 field SELDO 0x40 /* Selection Done */
1920 field SELDI 0x20 /* Board has been selected */
1921 field SELINGO 0x10 /* Selection In Progress */
1922 field IOERR 0x08 /* LVD Tranceiver mode changed */
1923 field OVERRUN 0x04 /* SCSI Offset overrun detected */
1924 field SPIORDY 0x02 /* SCSI PIO Ready */
1925 field ARBDO 0x01 /* Arbitration Done Out */
1926 }
1928 /*
1929 * Clear SCSI Interrupt 0
1930 * Writing a 1 to a bit clears the associated SCSI Interrupt in SSTAT0.
1931 */
1932 register CLRSINT0 {
1933 address 0x04B
1934 access_mode WO
1935 modes M_DFF0, M_DFF1, M_SCSI
1936 field CLRSELDO 0x40
1937 field CLRSELDI 0x20
1938 field CLRSELINGO 0x10
1939 field CLRIOERR 0x08
1940 field CLROVERRUN 0x04
1941 field CLRSPIORDY 0x02
1942 field CLRARBDO 0x01
1943 dont_generate_debug_code
1944 }
1946 /*
1947 * SCSI Interrupt Mode 0
1948 * Setting any bit will enable the corresponding function
1949 * in SIMODE0 to interrupt via the IRQ pin.
1950 */
1951 register SIMODE0 {
1952 address 0x04B
1953 access_mode RW
1954 modes M_CFG
1955 count 8
1956 field ENSELDO 0x40
1957 field ENSELDI 0x20
1958 field ENSELINGO 0x10
1959 field ENIOERR 0x08
1960 field ENOVERRUN 0x04
1961 field ENSPIORDY 0x02
1962 field ENARBDO 0x01
1963 }
1965 /*
1966 * SCSI Status 1
1967 */
1968 register SSTAT1 {
1969 address 0x04C
1970 access_mode RO
1971 modes M_DFF0, M_DFF1, M_SCSI
1972 field SELTO 0x80
1973 field ATNTARG 0x40
1974 field SCSIRSTI 0x20
1975 field PHASEMIS 0x10
1976 field BUSFREE 0x08
1977 field SCSIPERR 0x04
1978 field STRB2FAST 0x02
1979 field REQINIT 0x01
1980 }
1982 /*
1983 * Clear SCSI Interrupt 1
1984 * Writing a 1 to a bit clears the associated SCSI Interrupt in SSTAT1.
1985 */
1986 register CLRSINT1 {
1987 address 0x04C
1988 access_mode WO
1989 modes M_DFF0, M_DFF1, M_SCSI
1990 field CLRSELTIMEO 0x80
1991 field CLRATNO 0x40
1992 field CLRSCSIRSTI 0x20
1993 field CLRBUSFREE 0x08
1994 field CLRSCSIPERR 0x04
1995 field CLRSTRB2FAST 0x02
1996 field CLRREQINIT 0x01
1997 dont_generate_debug_code
1998 }
2000 /*
2001 * SCSI Status 2
2002 */
2003 register SSTAT2 {
2004 address 0x04d
2005 access_mode RO
2006 modes M_DFF0, M_DFF1, M_SCSI
2007 field BUSFREETIME 0xc0 {
2008 BUSFREE_LQO 0x40,
2009 BUSFREE_DFF0 0x80,
2010 BUSFREE_DFF1 0xC0
2011 }
2012 field NONPACKREQ 0x20
2013 field EXP_ACTIVE 0x10 /* SCSI Expander Active */
2014 field BSYX 0x08 /* Busy Expander */
2015 field WIDE_RES 0x04 /* Modes 0 and 1 only */
2016 field SDONE 0x02 /* Modes 0 and 1 only */
2017 field DMADONE 0x01 /* Modes 0 and 1 only */
2018 }
2020 /*
2021 * Clear SCSI Interrupt 2
2022 */
2023 register CLRSINT2 {
2024 address 0x04D
2025 access_mode WO
2026 modes M_DFF0, M_DFF1, M_SCSI
2027 field CLRNONPACKREQ 0x20
2028 field CLRWIDE_RES 0x04 /* Modes 0 and 1 only */
2029 field CLRSDONE 0x02 /* Modes 0 and 1 only */
2030 field CLRDMADONE 0x01 /* Modes 0 and 1 only */
2031 dont_generate_debug_code
2032 }
2034 /*
2035 * SCSI Interrupt Mode 2
2036 */
2037 register SIMODE2 {
2038 address 0x04D
2039 access_mode RW
2040 modes M_CFG
2041 field ENWIDE_RES 0x04
2042 field ENSDONE 0x02
2043 field ENDMADONE 0x01
2044 }
2046 /*
2047 * Physical Error Diagnosis
2048 */
2049 register PERRDIAG {
2050 address 0x04E
2051 access_mode RO
2052 modes M_DFF0, M_DFF1, M_SCSI
2053 count 3
2054 field HIZERO 0x80
2055 field HIPERR 0x40
2056 field PREVPHASE 0x20
2057 field PARITYERR 0x10
2058 field AIPERR 0x08
2059 field CRCERR 0x04
2060 field DGFORMERR 0x02
2061 field DTERR 0x01
2062 }
2064 /*
2065 * LQI Manager Current State
2066 */
2067 register LQISTATE {
2068 address 0x04E
2069 access_mode RO
2070 modes M_CFG
2071 count 6
2072 dont_generate_debug_code
2073 }
2075 /*
2076 * SCSI Offset Count
2077 */
2078 register SOFFCNT {
2079 address 0x04F
2080 access_mode RO
2081 modes M_DFF0, M_DFF1, M_SCSI
2082 count 1
2083 }
2085 /*
2086 * LQO Manager Current State
2087 */
2088 register LQOSTATE {
2089 address 0x04F
2090 access_mode RO
2091 modes M_CFG
2092 count 2
2093 dont_generate_debug_code
2094 }
2096 /*
2097 * LQI Manager Status
2098 */
2099 register LQISTAT0 {
2100 address 0x050
2101 access_mode RO
2102 modes M_DFF0, M_DFF1, M_SCSI
2103 count 2
2104 field LQIATNQAS 0x20
2105 field LQICRCT1 0x10
2106 field LQICRCT2 0x08
2107 field LQIBADLQT 0x04
2108 field LQIATNLQ 0x02
2109 field LQIATNCMD 0x01
2110 }
2112 /*
2113 * Clear LQI Interrupts 0
2114 */
2115 register CLRLQIINT0 {
2116 address 0x050
2117 access_mode WO
2118 modes M_DFF0, M_DFF1, M_SCSI
2119 count 1
2120 field CLRLQIATNQAS 0x20
2121 field CLRLQICRCT1 0x10
2122 field CLRLQICRCT2 0x08
2123 field CLRLQIBADLQT 0x04
2124 field CLRLQIATNLQ 0x02
2125 field CLRLQIATNCMD 0x01
2126 dont_generate_debug_code
2127 }
2129 /*
2130 * LQI Manager Interrupt Mode 0
2131 */
2132 register LQIMODE0 {
2133 address 0x050
2134 access_mode RW
2135 modes M_CFG
2136 count 3
2137 field ENLQIATNQASK 0x20
2138 field ENLQICRCT1 0x10
2139 field ENLQICRCT2 0x08
2140 field ENLQIBADLQT 0x04
2141 field ENLQIATNLQ 0x02
2142 field ENLQIATNCMD 0x01
2143 dont_generate_debug_code
2144 }
2146 /*
2147 * LQI Manager Status 1
2148 */
2149 register LQISTAT1 {
2150 address 0x051
2151 access_mode RO
2152 modes M_DFF0, M_DFF1, M_SCSI
2153 count 3
2154 field LQIPHASE_LQ 0x80
2155 field LQIPHASE_NLQ 0x40
2156 field LQIABORT 0x20
2157 field LQICRCI_LQ 0x10
2158 field LQICRCI_NLQ 0x08
2159 field LQIBADLQI 0x04
2160 field LQIOVERI_LQ 0x02
2161 field LQIOVERI_NLQ 0x01
2162 }
2164 /*
2165 * Clear LQI Manager Interrupts1
2166 */
2167 register CLRLQIINT1 {
2168 address 0x051
2169 access_mode WO
2170 modes M_DFF0, M_DFF1, M_SCSI
2171 count 4
2172 field CLRLQIPHASE_LQ 0x80
2173 field CLRLQIPHASE_NLQ 0x40
2174 field CLRLIQABORT 0x20
2175 field CLRLQICRCI_LQ 0x10
2176 field CLRLQICRCI_NLQ 0x08
2177 field CLRLQIBADLQI 0x04
2178 field CLRLQIOVERI_LQ 0x02
2179 field CLRLQIOVERI_NLQ 0x01
2180 dont_generate_debug_code
2181 }
2183 /*
2184 * LQI Manager Interrupt Mode 1
2185 */
2186 register LQIMODE1 {
2187 address 0x051
2188 access_mode RW
2189 modes M_CFG
2190 count 4
2191 field ENLQIPHASE_LQ 0x80 /* LQIPHASE1 */
2192 field ENLQIPHASE_NLQ 0x40 /* LQIPHASE2 */
2193 field ENLIQABORT 0x20
2194 field ENLQICRCI_LQ 0x10 /* LQICRCI1 */
2195 field ENLQICRCI_NLQ 0x08 /* LQICRCI2 */
2196 field ENLQIBADLQI 0x04
2197 field ENLQIOVERI_LQ 0x02 /* LQIOVERI1 */
2198 field ENLQIOVERI_NLQ 0x01 /* LQIOVERI2 */
2199 dont_generate_debug_code
2200 }
2202 /*
2203 * LQI Manager Status 2
2204 */
2205 register LQISTAT2 {
2206 address 0x052
2207 access_mode RO
2208 modes M_DFF0, M_DFF1, M_SCSI
2209 field PACKETIZED 0x80
2210 field LQIPHASE_OUTPKT 0x40
2211 field LQIWORKONLQ 0x20
2212 field LQIWAITFIFO 0x10
2213 field LQISTOPPKT 0x08
2214 field LQISTOPLQ 0x04
2215 field LQISTOPCMD 0x02
2216 field LQIGSAVAIL 0x01
2217 }
2219 /*
2220 * SCSI Status 3
2221 */
2222 register SSTAT3 {
2223 address 0x053
2224 access_mode RO
2225 modes M_DFF0, M_DFF1, M_SCSI
2226 count 3
2227 field NTRAMPERR 0x02
2228 field OSRAMPERR 0x01
2229 }
2231 /*
2232 * Clear SCSI Status 3
2233 */
2234 register CLRSINT3 {
2235 address 0x053
2236 access_mode WO
2237 modes M_DFF0, M_DFF1, M_SCSI
2238 count 3
2239 field CLRNTRAMPERR 0x02
2240 field CLROSRAMPERR 0x01
2241 dont_generate_debug_code
2242 }
2244 /*
2245 * SCSI Interrupt Mode 3
2246 */
2247 register SIMODE3 {
2248 address 0x053
2249 access_mode RW
2250 modes M_CFG
2251 count 4
2252 field ENNTRAMPERR 0x02
2253 field ENOSRAMPERR 0x01
2254 dont_generate_debug_code
2255 }
2257 /*
2258 * LQO Manager Status 0
2259 */
2260 register LQOSTAT0 {
2261 address 0x054
2262 access_mode RO
2263 modes M_DFF0, M_DFF1, M_SCSI
2264 count 2
2265 field LQOTARGSCBPERR 0x10
2266 field LQOSTOPT2 0x08
2267 field LQOATNLQ 0x04
2268 field LQOATNPKT 0x02
2269 field LQOTCRC 0x01
2270 }
2272 /*
2273 * Clear LQO Manager interrupt 0
2274 */
2275 register CLRLQOINT0 {
2276 address 0x054
2277 access_mode WO
2278 modes M_DFF0, M_DFF1, M_SCSI
2279 count 3
2280 field CLRLQOTARGSCBPERR 0x10
2281 field CLRLQOSTOPT2 0x08
2282 field CLRLQOATNLQ 0x04
2283 field CLRLQOATNPKT 0x02
2284 field CLRLQOTCRC 0x01
2285 dont_generate_debug_code
2286 }
2288 /*
2289 * LQO Manager Interrupt Mode 0
2290 */
2291 register LQOMODE0 {
2292 address 0x054
2293 access_mode RW
2294 modes M_CFG
2295 count 4
2296 field ENLQOTARGSCBPERR 0x10
2297 field ENLQOSTOPT2 0x08
2298 field ENLQOATNLQ 0x04
2299 field ENLQOATNPKT 0x02
2300 field ENLQOTCRC 0x01
2301 dont_generate_debug_code
2302 }
2304 /*
2305 * LQO Manager Status 1
2306 */
2307 register LQOSTAT1 {
2308 address 0x055
2309 access_mode RO
2310 modes M_DFF0, M_DFF1, M_SCSI
2311 field LQOINITSCBPERR 0x10
2312 field LQOSTOPI2 0x08
2313 field LQOBADQAS 0x04
2314 field LQOBUSFREE 0x02
2315 field LQOPHACHGINPKT 0x01
2316 }
2318 /*
2319 * Clear LOQ Interrupt 1
2320 */
2321 register CLRLQOINT1 {
2322 address 0x055
2323 access_mode WO
2324 modes M_DFF0, M_DFF1, M_SCSI
2325 count 7
2326 field CLRLQOINITSCBPERR 0x10
2327 field CLRLQOSTOPI2 0x08
2328 field CLRLQOBADQAS 0x04
2329 field CLRLQOBUSFREE 0x02
2330 field CLRLQOPHACHGINPKT 0x01
2331 dont_generate_debug_code
2332 }
2334 /*
2335 * LQO Manager Interrupt Mode 1
2336 */
2337 register LQOMODE1 {
2338 address 0x055
2339 access_mode RW
2340 modes M_CFG
2341 count 4
2342 field ENLQOINITSCBPERR 0x10
2343 field ENLQOSTOPI2 0x08
2344 field ENLQOBADQAS 0x04
2345 field ENLQOBUSFREE 0x02
2346 field ENLQOPHACHGINPKT 0x01
2347 dont_generate_debug_code
2348 }
2350 /*
2351 * LQO Manager Status 2
2352 */
2353 register LQOSTAT2 {
2354 address 0x056
2355 access_mode RO
2356 modes M_DFF0, M_DFF1, M_SCSI
2357 field LQOPKT 0xE0
2358 field LQOWAITFIFO 0x10
2359 field LQOPHACHGOUTPKT 0x02 /* outside of packet boundaries. */
2360 field LQOSTOP0 0x01 /* Stopped after sending all packets */
2361 }
2363 /*
2364 * Output Synchronizer Space Count
2365 */
2366 register OS_SPACE_CNT {
2367 address 0x056
2368 access_mode RO
2369 modes M_CFG
2370 count 2
2371 dont_generate_debug_code
2372 }
2374 /*
2375 * SCSI Interrupt Mode 1
2376 * Setting any bit will enable the corresponding function
2377 * in SIMODE1 to interrupt via the IRQ pin.
2378 */
2379 register SIMODE1 {
2380 address 0x057
2381 access_mode RW
2382 modes M_DFF0, M_DFF1, M_SCSI
2383 field ENSELTIMO 0x80
2384 field ENATNTARG 0x40
2385 field ENSCSIRST 0x20
2386 field ENPHASEMIS 0x10
2387 field ENBUSFREE 0x08
2388 field ENSCSIPERR 0x04
2389 field ENSTRB2FAST 0x02
2390 field ENREQINIT 0x01
2391 }
2393 /*
2394 * Good Status FIFO
2395 */
2396 register GSFIFO {
2397 address 0x058
2398 access_mode RO
2399 size 2
2400 modes M_DFF0, M_DFF1, M_SCSI
2401 dont_generate_debug_code
2402 }
2404 /*
2405 * Data FIFO SCSI Transfer Control
2406 */
2407 register DFFSXFRCTL {
2408 address 0x05A
2409 access_mode RW
2410 modes M_DFF0, M_DFF1
2411 field DFFBITBUCKET 0x08
2412 field CLRSHCNT 0x04
2413 field CLRCHN 0x02
2414 field RSTCHN 0x01
2415 }
2417 /*
2418 * Next SCSI Control Block
2419 */
2420 register NEXTSCB {
2421 address 0x05A
2422 access_mode RW
2423 size 2
2424 modes M_SCSI
2425 dont_generate_debug_code
2426 }
2428 /*
2429 * LQO SCSI Control
2430 * (Rev B only.)
2431 */
2432 register LQOSCSCTL {
2433 address 0x05A
2434 access_mode RW
2435 size 1
2436 modes M_CFG
2437 count 1
2438 field LQOH2A_VERSION 0x80
2439 field LQOBUSETDLY 0x40
2440 field LQONOHOLDLACK 0x02
2441 field LQONOCHKOVER 0x01
2442 dont_generate_debug_code
2443 }
2445 /*
2446 * SEQ Interrupts
2447 */
2448 register SEQINTSRC {
2449 address 0x05B
2450 access_mode RO
2451 modes M_DFF0, M_DFF1
2452 field CTXTDONE 0x40
2453 field SAVEPTRS 0x20
2454 field CFG4DATA 0x10
2455 field CFG4ISTAT 0x08
2456 field CFG4TSTAT 0x04
2457 field CFG4ICMD 0x02
2458 field CFG4TCMD 0x01
2459 }
2461 /*
2462 * Clear Arp Interrupts
2463 */
2464 register CLRSEQINTSRC {
2465 address 0x05B
2466 access_mode WO
2467 modes M_DFF0, M_DFF1
2468 field CLRCTXTDONE 0x40
2469 field CLRSAVEPTRS 0x20
2470 field CLRCFG4DATA 0x10
2471 field CLRCFG4ISTAT 0x08
2472 field CLRCFG4TSTAT 0x04
2473 field CLRCFG4ICMD 0x02
2474 field CLRCFG4TCMD 0x01
2475 dont_generate_debug_code
2476 }
2478 /*
2479 * SEQ Interrupt Enabled (Shared)
2480 */
2481 register SEQIMODE {
2482 address 0x05C
2483 access_mode RW
2484 modes M_DFF0, M_DFF1
2485 field ENCTXTDONE 0x40
2486 field ENSAVEPTRS 0x20
2487 field ENCFG4DATA 0x10
2488 field ENCFG4ISTAT 0x08
2489 field ENCFG4TSTAT 0x04
2490 field ENCFG4ICMD 0x02
2491 field ENCFG4TCMD 0x01
2492 }
2494 /*
2495 * Current SCSI Control Block
2496 */
2497 register CURRSCB {
2498 address 0x05C
2499 access_mode RW
2500 size 2
2501 modes M_SCSI
2502 dont_generate_debug_code
2503 }
2505 /*
2506 * Data FIFO Status
2507 */
2508 register MDFFSTAT {
2509 address 0x05D
2510 access_mode RO
2511 modes M_DFF0, M_DFF1
2512 field SHCNTNEGATIVE 0x40 /* Rev B or higher */
2513 field SHCNTMINUS1 0x20 /* Rev B or higher */
2514 field LASTSDONE 0x10
2515 field SHVALID 0x08
2516 field DLZERO 0x04 /* FIFO data ends on packet boundary. */
2517 field DATAINFIFO 0x02
2518 field FIFOFREE 0x01
2519 }
2521 /*
2522 * CRC Control
2523 */
2524 register CRCCONTROL {
2525 address 0x05d
2526 access_mode RW
2527 modes M_CFG
2528 field CRCVALCHKEN 0x40
2529 }
2531 /*
2532 * SCSI Test Control
2533 */
2534 register SCSITEST {
2535 address 0x05E
2536 access_mode RW
2537 modes M_CFG
2538 field CNTRTEST 0x08
2539 field SEL_TXPLL_DEBUG 0x04
2540 }
2542 /*
2543 * Data FIFO Queue Tag
2544 */
2545 register DFFTAG {
2546 address 0x05E
2547 access_mode RW
2548 size 2
2549 modes M_DFF0, M_DFF1
2550 }
2552 /*
2553 * Last SCSI Control Block
2554 */
2555 register LASTSCB {
2556 address 0x05E
2557 access_mode RW
2558 size 2
2559 modes M_SCSI
2560 dont_generate_debug_code
2561 }
2563 /*
2564 * SCSI I/O Cell Power-down Control
2565 */
2566 register IOPDNCTL {
2567 address 0x05F
2568 access_mode RW
2569 modes M_CFG
2570 field DISABLE_OE 0x80
2571 field PDN_IDIST 0x04
2572 field PDN_DIFFSENSE 0x01
2573 }
2575 /*
2576 * Shadow Host Address.
2577 */
2578 register SHADDR {
2579 address 0x060
2580 access_mode RO
2581 size 8
2582 modes M_DFF0, M_DFF1
2583 dont_generate_debug_code
2584 }
2586 /*
2587 * Data Group CRC Interval.
2588 */
2589 register DGRPCRCI {
2590 address 0x060
2591 access_mode RW
2592 size 2
2593 modes M_CFG
2594 }
2596 /*
2597 * Data Transfer Negotiation Address
2598 */
2599 register NEGOADDR {
2600 address 0x060
2601 access_mode RW
2602 modes M_SCSI
2603 dont_generate_debug_code
2604 }
2606 /*
2607 * Data Transfer Negotiation Data - Period Byte
2608 */
2609 register NEGPERIOD {
2610 address 0x061
2611 access_mode RW
2612 modes M_SCSI
2613 count 1
2614 dont_generate_debug_code
2615 }
2617 /*
2618 * Packetized CRC Interval
2619 */
2620 register PACKCRCI {
2621 address 0x062
2622 access_mode RW
2623 size 2
2624 modes M_CFG
2625 }
2627 /*
2628 * Data Transfer Negotiation Data - Offset Byte
2629 */
2630 register NEGOFFSET {
2631 address 0x062
2632 access_mode RW
2633 modes M_SCSI
2634 count 1
2635 dont_generate_debug_code
2636 }
2638 /*
2639 * Data Transfer Negotiation Data - PPR Options
2640 */
2641 register NEGPPROPTS {
2642 address 0x063
2643 access_mode RW
2644 modes M_SCSI
2645 count 1
2646 field PPROPT_PACE 0x08
2647 field PPROPT_QAS 0x04
2648 field PPROPT_DT 0x02
2649 field PPROPT_IUT 0x01
2650 dont_generate_debug_code
2651 }
2653 /*
2654 * Data Transfer Negotiation Data - Connection Options
2655 */
2656 register NEGCONOPTS {
2657 address 0x064
2658 access_mode RW
2659 modes M_SCSI
2660 field ENSNAPSHOT 0x40
2661 field RTI_WRTDIS 0x20
2662 field RTI_OVRDTRN 0x10
2663 field ENSLOWCRC 0x08
2664 field ENAUTOATNI 0x04
2665 field ENAUTOATNO 0x02
2666 field WIDEXFER 0x01
2667 dont_generate_debug_code
2668 }
2670 /*
2671 * Negotiation Table Annex Column Index.
2672 */
2673 register ANNEXCOL {
2674 address 0x065
2675 access_mode RW
2676 modes M_SCSI
2677 count 7
2678 dont_generate_debug_code
2679 }
2681 /*
2682 * SCSI Check
2683 * (Rev. B only)
2684 */
2685 register SCSCHKN {
2686 address 0x066
2687 access_mode RW
2688 modes M_CFG
2689 count 1
2690 field BIDICHKDIS 0x80
2691 field STSELSKIDDIS 0x40
2692 field CURRFIFODEF 0x20
2693 field WIDERESEN 0x10
2694 field SDONEMSKDIS 0x08
2695 field DFFACTCLR 0x04
2696 field SHVALIDSTDIS 0x02
2697 field LSTSGCLRDIS 0x01
2698 dont_generate_debug_code
2699 }
2701 const AHD_ANNEXCOL_PER_DEV0 4
2702 const AHD_NUM_PER_DEV_ANNEXCOLS 4
2703 const AHD_ANNEXCOL_PRECOMP_SLEW 4
2704 const AHD_PRECOMP_MASK 0x07
2705 const AHD_PRECOMP_SHIFT 0
2706 const AHD_PRECOMP_CUTBACK_17 0x04
2707 const AHD_PRECOMP_CUTBACK_29 0x06
2708 const AHD_PRECOMP_CUTBACK_37 0x07
2709 const AHD_SLEWRATE_MASK 0x78
2710 const AHD_SLEWRATE_SHIFT 3
2711 /*
2712 * Rev A has only a single bit (high bit of field) of slew adjustment.
2713 * Rev B has 4 bits. The current default happens to be the same for both.
2714 */
2715 const AHD_SLEWRATE_DEF_REVA 0x08
2716 const AHD_SLEWRATE_DEF_REVB 0x08
2718 /* Rev A does not have any amplitude setting. */
2719 const AHD_ANNEXCOL_AMPLITUDE 6
2720 const AHD_AMPLITUDE_MASK 0x7
2721 const AHD_AMPLITUDE_SHIFT 0
2722 const AHD_AMPLITUDE_DEF 0x7
2724 /*
2725 * Negotiation Table Annex Data Port.
2726 */
2727 register ANNEXDAT {
2728 address 0x066
2729 access_mode RW
2730 modes M_SCSI
2731 count 3
2732 dont_generate_debug_code
2733 }
2735 /*
2736 * Initiator's Own Id.
2737 * The SCSI ID to use for Selection Out and seen during a reselection..
2738 */
2739 register IOWNID {
2740 address 0x067
2741 access_mode RW
2742 modes M_SCSI
2743 dont_generate_debug_code
2744 }
2746 /*
2747 * 960MHz Phase-Locked Loop Control 0
2748 */
2749 register PLL960CTL0 {
2750 address 0x068
2751 access_mode RW
2752 modes M_CFG
2753 field PLL_VCOSEL 0x80
2754 field PLL_PWDN 0x40
2755 field PLL_NS 0x30
2756 field PLL_ENLUD 0x08
2757 field PLL_ENLPF 0x04
2758 field PLL_DLPF 0x02
2759 field PLL_ENFBM 0x01
2760 }
2762 /*
2763 * Target Own Id
2764 */
2765 register TOWNID {
2766 address 0x069
2767 access_mode RW
2768 modes M_SCSI
2769 count 2
2770 dont_generate_debug_code
2771 }
2773 /*
2774 * 960MHz Phase-Locked Loop Control 1
2775 */
2776 register PLL960CTL1 {
2777 address 0x069
2778 access_mode RW
2779 modes M_CFG
2780 field PLL_CNTEN 0x80
2781 field PLL_CNTCLR 0x40
2782 field PLL_RST 0x01
2783 }
2785 /*
2786 * Expander Signature
2787 */
2788 register XSIG {
2789 address 0x06A
2790 access_mode RW
2791 modes M_SCSI
2792 }
2794 /*
2795 * Shadow Byte Count
2796 */
2797 register SHCNT {
2798 address 0x068
2799 access_mode RW
2800 size 3
2801 modes M_DFF0, M_DFF1
2802 dont_generate_debug_code
2803 }
2805 /*
2806 * Selection Out ID
2807 */
2808 register SELOID {
2809 address 0x06B
2810 access_mode RW
2811 modes M_SCSI
2812 }
2814 /*
2815 * 960-MHz Phase-Locked Loop Test Count
2816 */
2817 register PLL960CNT0 {
2818 address 0x06A
2819 access_mode RO
2820 size 2
2821 modes M_CFG
2822 }
2824 /*
2825 * 400-MHz Phase-Locked Loop Control 0
2826 */
2827 register PLL400CTL0 {
2828 address 0x06C
2829 access_mode RW
2830 modes M_CFG
2831 field PLL_VCOSEL 0x80
2832 field PLL_PWDN 0x40
2833 field PLL_NS 0x30
2834 field PLL_ENLUD 0x08
2835 field PLL_ENLPF 0x04
2836 field PLL_DLPF 0x02
2837 field PLL_ENFBM 0x01
2838 }
2840 /*
2841 * Arbitration Fairness
2842 */
2843 register FAIRNESS {
2844 address 0x06C
2845 access_mode RW
2846 size 2
2847 modes M_SCSI
2848 }
2850 /*
2851 * 400-MHz Phase-Locked Loop Control 1
2852 */
2853 register PLL400CTL1 {
2854 address 0x06D
2855 access_mode RW
2856 modes M_CFG
2857 field PLL_CNTEN 0x80
2858 field PLL_CNTCLR 0x40
2859 field PLL_RST 0x01
2860 }
2862 /*
2863 * Arbitration Unfairness
2864 */
2865 register UNFAIRNESS {
2866 address 0x06E
2867 access_mode RW
2868 size 2
2869 modes M_SCSI
2870 }
2872 /*
2873 * 400-MHz Phase-Locked Loop Test Count
2874 */
2875 register PLL400CNT0 {
2876 address 0x06E
2877 access_mode RO
2878 size 2
2879 modes M_CFG
2880 }
2882 /*
2883 * SCB Page Pointer
2884 */
2885 register SCBPTR {
2886 address 0x0A8
2887 access_mode RW
2888 size 2
2889 modes M_DFF0, M_DFF1, M_CCHAN, M_SCSI
2890 dont_generate_debug_code
2891 }
2893 /*
2894 * CMC SCB Array Count
2895 * Number of bytes to transfer between CMC SCB memory and SCBRAM.
2896 * Transfers must be 8byte aligned and sized.
2897 */
2898 register CCSCBACNT {
2899 address 0x0AB
2900 access_mode RW
2901 modes M_CCHAN
2902 }
2904 /*
2905 * SCB Autopointer
2906 * SCB-Next Address Snooping logic. When an SCB is transferred to
2907 * the card, the next SCB address to be used by the CMC array can
2908 * be autoloaded from that transfer.
2909 */
2910 register SCBAUTOPTR {
2911 address 0x0AB
2912 access_mode RW
2913 modes M_CFG
2914 count 1
2915 field AUSCBPTR_EN 0x80
2916 field SCBPTR_ADDR 0x38
2917 field SCBPTR_OFF 0x07
2918 dont_generate_debug_code
2919 }
2921 /*
2922 * CMC SG Ram Address Pointer
2923 */
2924 register CCSGADDR {
2925 address 0x0AC
2926 access_mode RW
2927 modes M_DFF0, M_DFF1
2928 dont_generate_debug_code
2929 }
2931 /*
2932 * CMC SCB RAM Address Pointer
2933 */
2934 register CCSCBADDR {
2935 address 0x0AC
2936 access_mode RW
2937 modes M_CCHAN
2938 dont_generate_debug_code
2939 }
2941 /*
2942 * CMC SCB Ram Back-up Address Pointer
2943 * Indicates the true stop location of transfers halted prior
2944 * to SCBHCNT going to 0.
2945 */
2946 register CCSCBADR_BK {
2947 address 0x0AC
2948 access_mode RO
2949 modes M_CFG
2950 }
2952 /*
2953 * CMC SG Control
2954 */
2955 register CCSGCTL {
2956 address 0x0AD
2957 access_mode RW
2958 modes M_DFF0, M_DFF1
2959 field CCSGDONE 0x80
2960 field SG_CACHE_AVAIL 0x10
2961 field CCSGENACK 0x08
2962 mask CCSGEN 0x0C
2963 field SG_FETCH_REQ 0x02
2964 field CCSGRESET 0x01
2965 }
2967 /*
2968 * CMD SCB Control
2969 */
2970 register CCSCBCTL {
2971 address 0x0AD
2972 access_mode RW
2973 modes M_CCHAN
2974 field CCSCBDONE 0x80
2975 field ARRDONE 0x40
2976 field CCARREN 0x10
2977 field CCSCBEN 0x08
2978 field CCSCBDIR 0x04
2979 field CCSCBRESET 0x01
2980 }
2982 /*
2983 * CMC Ram BIST
2984 */
2985 register CMC_RAMBIST {
2986 address 0x0AD
2987 access_mode RW
2988 modes M_CFG
2989 field SG_ELEMENT_SIZE 0x80
2990 field SCBRAMBIST_FAIL 0x40
2991 field SG_BIST_FAIL 0x20
2992 field SG_BIST_EN 0x10
2993 field CMC_BUFFER_BIST_FAIL 0x02
2994 field CMC_BUFFER_BIST_EN 0x01
2995 }
2997 /*
2998 * CMC SG RAM Data Port
2999 */
3000 register CCSGRAM {
3001 address 0x0B0
3002 access_mode RW
3003 modes M_DFF0, M_DFF1
3004 dont_generate_debug_code
3005 }
3007 /*
3008 * CMC SCB RAM Data Port
3009 */
3010 register CCSCBRAM {
3011 address 0x0B0
3012 access_mode RW
3013 modes M_CCHAN
3014 dont_generate_debug_code
3015 }
3017 /*
3018 * Flex DMA Address.
3019 */
3020 register FLEXADR {
3021 address 0x0B0
3022 access_mode RW
3023 size 3
3024 modes M_SCSI
3025 }
3027 /*
3028 * Flex DMA Byte Count
3029 */
3030 register FLEXCNT {
3031 address 0x0B3
3032 access_mode RW
3033 size 2
3034 modes M_SCSI
3035 }
3037 /*
3038 * Flex DMA Status
3039 */
3040 register FLEXDMASTAT {
3041 address 0x0B5
3042 access_mode RW
3043 modes M_SCSI
3044 field FLEXDMAERR 0x02
3045 field FLEXDMADONE 0x01
3046 }
3048 /*
3049 * Flex DMA Data Port
3050 */
3051 register FLEXDATA {
3052 address 0x0B6
3053 access_mode RW
3054 modes M_SCSI
3055 }
3057 /*
3058 * Board Data
3059 */
3060 register BRDDAT {
3061 address 0x0B8
3062 access_mode RW
3063 modes M_SCSI
3064 count 2
3065 dont_generate_debug_code
3066 }
3068 /*
3069 * Board Control
3070 */
3071 register BRDCTL {
3072 address 0x0B9
3073 access_mode RW
3074 modes M_SCSI
3075 count 7
3076 field FLXARBACK 0x80
3077 field FLXARBREQ 0x40
3078 field BRDADDR 0x38
3079 field BRDEN 0x04
3080 field BRDRW 0x02
3081 field BRDSTB 0x01
3082 dont_generate_debug_code
3083 }
3085 /*
3086 * Serial EEPROM Address
3087 */
3088 register SEEADR {
3089 address 0x0BA
3090 access_mode RW
3091 modes M_SCSI
3092 count 4
3093 dont_generate_debug_code
3094 }
3096 /*
3097 * Serial EEPROM Data
3098 */
3099 register SEEDAT {
3100 address 0x0BC
3101 access_mode RW
3102 size 2
3103 modes M_SCSI
3104 count 4
3105 dont_generate_debug_code
3106 }
3108 /*
3109 * Serial EEPROM Status
3110 */
3111 register SEESTAT {
3112 address 0x0BE
3113 access_mode RO
3114 modes M_SCSI
3115 count 1
3116 field INIT_DONE 0x80
3117 field SEEOPCODE 0x70
3118 field LDALTID_L 0x08
3119 field SEEARBACK 0x04
3120 field SEEBUSY 0x02
3121 field SEESTART 0x01
3122 dont_generate_debug_code
3123 }
3125 /*
3126 * Serial EEPROM Control
3127 */
3128 register SEECTL {
3129 address 0x0BE
3130 access_mode RW
3131 modes M_SCSI
3132 count 4
3133 field SEEOPCODE 0x70 {
3134 SEEOP_ERASE 0x70,
3135 SEEOP_READ 0x60,
3136 SEEOP_WRITE 0x50,
3137 /*
3138 * The following four commands use special
3139 * addresses for differentiation.
3140 */
3141 SEEOP_ERAL 0x40
3142 }
3143 mask SEEOP_EWEN 0x40
3144 mask SEEOP_WALL 0x40
3145 mask SEEOP_EWDS 0x40
3146 field SEERST 0x02
3147 field SEESTART 0x01
3148 dont_generate_debug_code
3149 }
3151 const SEEOP_ERAL_ADDR 0x80
3152 const SEEOP_EWEN_ADDR 0xC0
3153 const SEEOP_WRAL_ADDR 0x40
3154 const SEEOP_EWDS_ADDR 0x00
3156 /*
3157 * SCB Counter
3158 */
3159 register SCBCNT {
3160 address 0x0BF
3161 access_mode RW
3162 modes M_SCSI
3163 dont_generate_debug_code
3164 }
3166 /*
3167 * Data FIFO Write Address
3168 * Pointer to the next QWD location to be written to the data FIFO.
3169 */
3170 register DFWADDR {
3171 address 0x0C0
3172 access_mode RW
3173 size 2
3174 modes M_DFF0, M_DFF1
3175 dont_generate_debug_code
3176 }
3178 /*
3179 * DSP Filter Control
3180 */
3181 register DSPFLTRCTL {
3182 address 0x0C0
3183 access_mode RW
3184 modes M_CFG
3185 field FLTRDISABLE 0x20
3186 field EDGESENSE 0x10
3187 field DSPFCNTSEL 0x0F
3188 }
3190 /*
3191 * DSP Data Channel Control
3192 */
3193 register DSPDATACTL {
3194 address 0x0C1
3195 access_mode RW
3196 modes M_CFG
3197 count 3
3198 field BYPASSENAB 0x80
3199 field DESQDIS 0x10
3200 field RCVROFFSTDIS 0x04
3201 field XMITOFFSTDIS 0x02
3202 dont_generate_debug_code
3203 }
3205 /*
3206 * Data FIFO Read Address
3207 * Pointer to the next QWD location to be read from the data FIFO.
3208 */
3209 register DFRADDR {
3210 address 0x0C2
3211 access_mode RW
3212 size 2
3213 modes M_DFF0, M_DFF1
3214 }
3216 /*
3217 * DSP REQ Control
3218 */
3219 register DSPREQCTL {
3220 address 0x0C2
3221 access_mode RW
3222 modes M_CFG
3223 field MANREQCTL 0xC0
3224 field MANREQDLY 0x3F
3225 }
3227 /*
3228 * DSP ACK Control
3229 */
3230 register DSPACKCTL {
3231 address 0x0C3
3232 access_mode RW
3233 modes M_CFG
3234 field MANACKCTL 0xC0
3235 field MANACKDLY 0x3F
3236 }
3238 /*
3239 * Data FIFO Data
3240 * Read/Write byte port into the data FIFO. The read and write
3241 * FIFO pointers increment with each read and write respectively
3242 * to this port.
3243 */
3244 register DFDAT {
3245 address 0x0C4
3246 access_mode RW
3247 modes M_DFF0, M_DFF1
3248 dont_generate_debug_code
3249 }
3251 /*
3252 * DSP Channel Select
3253 */
3254 register DSPSELECT {
3255 address 0x0C4
3256 access_mode RW
3257 modes M_CFG
3258 count 1
3259 field AUTOINCEN 0x80
3260 field DSPSEL 0x1F
3261 dont_generate_debug_code
3262 }
3264 const NUMDSPS 0x14
3266 /*
3267 * Write Bias Control
3268 */
3269 register WRTBIASCTL {
3270 address 0x0C5
3271 access_mode WO
3272 modes M_CFG
3273 count 3
3274 field AUTOXBCDIS 0x80
3275 field XMITMANVAL 0x3F
3276 dont_generate_debug_code
3277 }
3279 /*
3280 * Currently the WRTBIASCTL is the same as the default.
3281 */
3282 const WRTBIASCTL_HP_DEFAULT 0x0
3284 /*
3285 * Receiver Bias Control
3286 */
3287 register RCVRBIOSCTL {
3288 address 0x0C6
3289 access_mode WO
3290 modes M_CFG
3291 field AUTORBCDIS 0x80
3292 field RCVRMANVAL 0x3F
3293 }
3295 /*
3296 * Write Bias Calculator
3297 */
3298 register WRTBIASCALC {
3299 address 0x0C7
3300 access_mode RO
3301 modes M_CFG
3302 }
3304 /*
3305 * Data FIFO Pointers
3306 * Contains the byte offset from DFWADDR and DWRADDR to the current
3307 * FIFO write/read locations.
3308 */
3309 register DFPTRS {
3310 address 0x0C8
3311 access_mode RW
3312 modes M_DFF0, M_DFF1
3313 }
3315 /*
3316 * Receiver Bias Calculator
3317 */
3318 register RCVRBIASCALC {
3319 address 0x0C8
3320 access_mode RO
3321 modes M_CFG
3322 }
3324 /*
3325 * Data FIFO Backup Read Pointer
3326 * Contains the data FIFO address to be restored if the last
3327 * data accessed from the data FIFO was not transferred successfully.
3328 */
3329 register DFBKPTR {
3330 address 0x0C9
3331 access_mode RW
3332 size 2
3333 modes M_DFF0, M_DFF1
3334 }
3336 /*
3337 * Skew Calculator
3338 */
3339 register SKEWCALC {
3340 address 0x0C9
3341 access_mode RO
3342 modes M_CFG
3343 }
3345 /*
3346 * Data FIFO Debug Control
3347 */
3348 register DFDBCTL {
3349 address 0x0CB
3350 access_mode RW
3351 modes M_DFF0, M_DFF1
3352 field DFF_CIO_WR_RDY 0x20
3353 field DFF_CIO_RD_RDY 0x10
3354 field DFF_DIR_ERR 0x08
3355 field DFF_RAMBIST_FAIL 0x04
3356 field DFF_RAMBIST_DONE 0x02
3357 field DFF_RAMBIST_EN 0x01
3358 }
3360 /*
3361 * Data FIFO Space Count
3362 * Number of FIFO locations that are free.
3363 */
3364 register DFSCNT {
3365 address 0x0CC
3366 access_mode RO
3367 size 2
3368 modes M_DFF0, M_DFF1
3369 }
3371 /*
3372 * Data FIFO Byte Count
3373 * Number of filled FIFO locations.
3374 */
3375 register DFBCNT {
3376 address 0x0CE
3377 access_mode RO
3378 size 2
3379 modes M_DFF0, M_DFF1
3380 }
3382 /*
3383 * Sequencer Program Overlay Address.
3384 * Low address must be written prior to high address.
3385 */
3386 register OVLYADDR {
3387 address 0x0D4
3388 modes M_SCSI
3389 size 2
3390 access_mode RW
3391 }
3393 /*
3394 * Sequencer Control 0
3395 * Error detection mode, speed configuration,
3396 * single step, breakpoints and program load.
3397 */
3398 register SEQCTL0 {
3399 address 0x0D6
3400 access_mode RW
3401 count 11
3402 field PERRORDIS 0x80
3403 field PAUSEDIS 0x40
3404 field FAILDIS 0x20
3405 field FASTMODE 0x10
3406 field BRKADRINTEN 0x08
3407 field STEP 0x04
3408 field SEQRESET 0x02
3409 field LOADRAM 0x01
3410 }
3412 /*
3413 * Sequencer Control 1
3414 * Instruction RAM Diagnostics
3415 */
3416 register SEQCTL1 {
3417 address 0x0D7
3418 access_mode RW
3419 field OVRLAY_DATA_CHK 0x08
3420 field RAMBIST_DONE 0x04
3421 field RAMBIST_FAIL 0x02
3422 field RAMBIST_EN 0x01
3423 }
3425 /*
3426 * Sequencer Flags
3427 * Zero and Carry state of the ALU.
3428 */
3429 register FLAGS {
3430 address 0x0D8
3431 access_mode RO
3432 count 23
3433 field ZERO 0x02
3434 field CARRY 0x01
3435 dont_generate_debug_code
3436 }
3438 /*
3439 * Sequencer Interrupt Control
3440 */
3441 register SEQINTCTL {
3442 address 0x0D9
3443 access_mode RW
3444 field INTVEC1DSL 0x80
3445 field INT1_CONTEXT 0x20
3446 field SCS_SEQ_INT1M1 0x10
3447 field SCS_SEQ_INT1M0 0x08
3448 field INTMASK2 0x04
3449 field INTMASK1 0x02
3450 field IRET 0x01
3451 }
3453 /*
3454 * Sequencer RAM Data Port
3455 * Single byte window into the Sequencer Instruction Ram area starting
3456 * at the address specified by OVLYADDR. To write a full instruction word,
3457 * simply write four bytes in succession. OVLYADDR will increment after the
3458 * most significant instrution byte (the byte with the parity bit) is written.
3459 */
3460 register SEQRAM {
3461 address 0x0DA
3462 access_mode RW
3463 count 2
3464 dont_generate_debug_code
3465 }
3467 /*
3468 * Sequencer Program Counter
3469 * Low byte must be written prior to high byte.
3470 */
3471 register PRGMCNT {
3472 address 0x0DE
3473 access_mode RW
3474 size 2
3475 count 5
3476 dont_generate_debug_code
3477 }
3479 /*
3480 * Accumulator
3481 */
3482 register ACCUM {
3483 address 0x0E0
3484 access_mode RW
3485 accumulator
3486 dont_generate_debug_code
3487 }
3489 /*
3490 * Source Index Register
3491 * Incrementing index for reads of SINDIR and the destination (low byte only)
3492 * for any immediate operands passed in jmp, jc, jnc, call instructions.
3493 * Example:
3494 * mvi 0xFF call some_routine;
3495 *
3496 * Will set SINDEX[0] to 0xFF and call the routine "some_routine.
3497 */
3498 register SINDEX {
3499 address 0x0E2
3500 access_mode RW
3501 size 2
3502 sindex
3503 dont_generate_debug_code
3504 }
3506 /*
3507 * Destination Index Register
3508 * Incrementing index for writes to DINDIR. Can be used as a scratch register.
3509 */
3510 register DINDEX {
3511 address 0x0E4
3512 access_mode RW
3513 size 2
3514 dont_generate_debug_code
3515 }
3517 /*
3518 * Break Address
3519 * Sequencer instruction breakpoint address address.
3520 */
3521 register BRKADDR0 {
3522 address 0x0E6
3523 access_mode RW
3524 }
3526 register BRKADDR1 {
3527 address 0x0E6
3528 access_mode RW
3529 field BRKDIS 0x80 /* Disable Breakpoint */
3530 }
3532 /*
3533 * All Ones
3534 * All reads to this register return the value 0xFF.
3535 */
3536 register ALLONES {
3537 address 0x0E8
3538 access_mode RO
3539 allones
3540 dont_generate_debug_code
3541 }
3543 /*
3544 * All Zeros
3545 * All reads to this register return the value 0.
3546 */
3547 register ALLZEROS {
3548 address 0x0EA
3549 access_mode RO
3550 allzeros
3551 dont_generate_debug_code
3552 }
3554 /*
3555 * No Destination
3556 * Writes to this register have no effect.
3557 */
3558 register NONE {
3559 address 0x0EA
3560 access_mode WO
3561 none
3562 dont_generate_debug_code
3563 }
3565 /*
3566 * Source Index Indirect
3567 * Reading this register is equivalent to reading (register_base + SINDEX) and
3568 * incrementing SINDEX by 1.
3569 */
3570 register SINDIR {
3571 address 0x0EC
3572 access_mode RO
3573 dont_generate_debug_code
3574 }
3576 /*
3577 * Destination Index Indirect
3578 * Writing this register is equivalent to writing to (register_base + DINDEX)
3579 * and incrementing DINDEX by 1.
3580 */
3581 register DINDIR {
3582 address 0x0ED
3583 access_mode WO
3584 dont_generate_debug_code
3585 }
3587 /*
3588 * Function One
3589 * 2's complement to bit value conversion. Write the 2's complement value
3590 * (0-7 only) to the top nibble and retrieve the bit indexed by that value
3591 * on the next read of this register.
3592 * Example:
3593 * Write 0x60
3594 * Read 0x40
3595 */
3596 register FUNCTION1 {
3597 address 0x0F0
3598 access_mode RW
3599 }
3601 /*
3602 * Stack
3603 * Window into the stack. Each stack location is 10 bits wide reported
3604 * low byte followed by high byte. There are 8 stack locations.
3605 */
3606 register STACK {
3607 address 0x0F2
3608 access_mode RW
3609 dont_generate_debug_code
3610 }
3612 /*
3613 * Interrupt Vector 1 Address
3614 * Interrupt branch address for SCS SEQ_INT1 mode 0 and 1 interrupts.
3615 */
3616 register INTVEC1_ADDR {
3617 address 0x0F4
3618 access_mode RW
3619 size 2
3620 modes M_CFG
3621 count 1
3622 dont_generate_debug_code
3623 }
3625 /*
3626 * Current Address
3627 * Address of the SEQRAM instruction currently executing instruction.
3628 */
3629 register CURADDR {
3630 address 0x0F4
3631 access_mode RW
3632 size 2
3633 modes M_SCSI
3634 count 2
3635 dont_generate_debug_code
3636 }
3638 /*
3639 * Interrupt Vector 2 Address
3640 * Interrupt branch address for HST_SEQ_INT2 interrupts.
3641 */
3642 register INTVEC2_ADDR {
3643 address 0x0F6
3644 access_mode RW
3645 size 2
3646 modes M_CFG
3647 count 1
3648 dont_generate_debug_code
3649 }
3651 /*
3652 * Last Address
3653 * Address of the SEQRAM instruction executed prior to the current instruction.
3654 */
3655 register LASTADDR {
3656 address 0x0F6
3657 access_mode RW
3658 size 2
3659 modes M_SCSI
3660 }
3662 register AHD_PCI_CONFIG_BASE {
3663 address 0x100
3664 access_mode RW
3665 size 256
3666 modes M_CFG
3667 }
3669 /* ---------------------- Scratch RAM Offsets ------------------------- */
3670 scratch_ram {
3671 /* Mode Specific */
3672 address 0x0A0
3673 size 8
3674 modes 0, 1, 2, 3
3675 REG0 {
3676 size 2
3677 dont_generate_debug_code
3678 }
3679 REG1 {
3680 size 2
3681 }
3682 REG_ISR {
3683 size 2
3684 dont_generate_debug_code
3685 }
3686 SG_STATE {
3687 size 1
3688 field SEGS_AVAIL 0x01
3689 field LOADING_NEEDED 0x02
3690 field FETCH_INPROG 0x04
3691 }
3692 /*
3693 * Track whether the transfer byte count for
3694 * the current data phase is odd.
3695 */
3696 DATA_COUNT_ODD {
3697 size 1
3698 }
3699 }
3701 scratch_ram {
3702 /* Mode Specific */
3703 address 0x0F8
3704 size 8
3705 modes 0, 1, 2, 3
3706 LONGJMP_ADDR {
3707 size 2
3708 dont_generate_debug_code
3709 }
3710 ACCUM_SAVE {
3711 size 1
3712 dont_generate_debug_code
3713 }
3714 }
3717 scratch_ram {
3718 address 0x100
3719 size 128
3720 modes 0, 1, 2, 3
3721 /*
3722 * Per "other-id" execution queues. We use an array of
3723 * tail pointers into lists of SCBs sorted by "other-id".
3724 * The execution head pointer threads the head SCBs for
3725 * each list.
3726 */
3727 WAITING_SCB_TAILS {
3728 size 32
3729 dont_generate_debug_code
3730 }
3731 WAITING_TID_HEAD {
3732 size 2
3733 dont_generate_debug_code
3734 }
3735 WAITING_TID_TAIL {
3736 size 2
3737 dont_generate_debug_code
3738 }
3739 /*
3740 * SCBID of the next SCB in the new SCB queue.
3741 */
3742 NEXT_QUEUED_SCB_ADDR {
3743 size 4
3744 dont_generate_debug_code
3745 }
3746 /*
3747 * head of list of SCBs that have
3748 * completed but have not been
3749 * put into the qoutfifo.
3750 */
3751 COMPLETE_SCB_HEAD {
3752 size 2
3753 dont_generate_debug_code
3754 }
3755 /*
3756 * The list of completed SCBs in
3757 * the active DMA.
3758 */
3759 COMPLETE_SCB_DMAINPROG_HEAD {
3760 size 2
3761 dont_generate_debug_code
3762 }
3763 /*
3764 * head of list of SCBs that have
3765 * completed but need to be uploaded
3766 * to the host prior to being completed.
3767 */
3768 COMPLETE_DMA_SCB_HEAD {
3769 size 2
3770 dont_generate_debug_code
3771 }
3772 /*
3773 * tail of list of SCBs that have
3774 * completed but need to be uploaded
3775 * to the host prior to being completed.
3776 */
3777 COMPLETE_DMA_SCB_TAIL {
3778 size 2
3779 dont_generate_debug_code
3780 }
3781 /*
3782 * head of list of SCBs that have
3783 * been uploaded to the host, but cannot
3784 * be completed until the QFREEZE is in
3785 * full effect (i.e. no selections pending).
3786 */
3787 COMPLETE_ON_QFREEZE_HEAD {
3788 size 2
3789 dont_generate_debug_code
3790 }
3791 /*
3792 * Counting semaphore to prevent new select-outs
3793 * The queue is frozen so long as the sequencer
3794 * and kernel freeze counts differ.
3795 */
3796 QFREEZE_COUNT {
3797 size 2
3798 }
3799 KERNEL_QFREEZE_COUNT {
3800 size 2
3801 }
3802 /*
3803 * Mode to restore on legacy idle loop exit.
3804 */
3805 SAVED_MODE {
3806 size 1
3807 }
3808 /*
3809 * Single byte buffer used to designate the type or message
3810 * to send to a target.
3811 */
3812 MSG_OUT {
3813 size 1
3814 dont_generate_debug_code
3815 }
3816 /* Parameters for DMA Logic */
3817 DMAPARAMS {
3818 size 1
3819 count 8
3820 field PRELOADEN 0x80
3821 field WIDEODD 0x40
3822 field SCSIEN 0x20
3823 field SDMAEN 0x10
3824 field SDMAENACK 0x10
3825 field HDMAEN 0x08
3826 field HDMAENACK 0x08
3827 field DIRECTION 0x04 /* Set indicates PCI->SCSI */
3828 field FIFOFLUSH 0x02
3829 field FIFORESET 0x01
3830 dont_generate_debug_code
3831 }
3832 SEQ_FLAGS {
3833 size 1
3834 field NOT_IDENTIFIED 0x80
3835 field NO_CDB_SENT 0x40
3836 field TARGET_CMD_IS_TAGGED 0x40
3837 field DPHASE 0x20
3838 /* Target flags */
3839 field TARG_CMD_PENDING 0x10
3840 field CMDPHASE_PENDING 0x08
3841 field DPHASE_PENDING 0x04
3842 field SPHASE_PENDING 0x02
3843 field NO_DISCONNECT 0x01
3844 }
3845 /*
3846 * Temporary storage for the
3847 * target/channel/lun of a
3848 * reconnecting target
3849 */
3850 SAVED_SCSIID {
3851 size 1
3852 dont_generate_debug_code
3853 }
3854 SAVED_LUN {
3855 size 1
3856 dont_generate_debug_code
3857 }
3858 /*
3859 * The last bus phase as seen by the sequencer.
3860 */
3861 LASTPHASE {
3862 size 1
3863 field CDI 0x80
3864 field IOI 0x40
3865 field MSGI 0x20
3866 field P_BUSFREE 0x01
3867 enum PHASE_MASK CDO|IOO|MSGO {
3868 P_DATAOUT 0x0,
3869 P_DATAIN IOO,
3870 P_DATAOUT_DT P_DATAOUT|MSGO,
3871 P_DATAIN_DT P_DATAIN|MSGO,
3872 P_COMMAND CDO,
3873 P_MESGOUT CDO|MSGO,
3874 P_STATUS CDO|IOO,
3875 P_MESGIN CDO|IOO|MSGO
3876 }
3877 }
3878 /*
3879 * Value to "or" into the SCBPTR[1] value to
3880 * indicate that an entry in the QINFIFO is valid.
3881 */
3882 QOUTFIFO_ENTRY_VALID_TAG {
3883 size 1
3884 dont_generate_debug_code
3885 }
3886 /*
3887 * Kernel and sequencer offsets into the queue of
3888 * incoming target mode command descriptors. The
3889 * queue is full when the KERNEL_TQINPOS == TQINPOS.
3890 */
3891 KERNEL_TQINPOS {
3892 size 1
3893 count 1
3894 dont_generate_debug_code
3895 }
3896 TQINPOS {
3897 size 1
3898 count 8
3899 dont_generate_debug_code
3900 }
3901 /*
3902 * Base address of our shared data with the kernel driver in host
3903 * memory. This includes the qoutfifo and target mode
3904 * incoming command queue.
3905 */
3906 SHARED_DATA_ADDR {
3907 size 4
3908 dont_generate_debug_code
3909 }
3910 /*
3911 * Pointer to location in host memory for next
3912 * position in the qoutfifo.
3913 */
3914 QOUTFIFO_NEXT_ADDR {
3915 size 4
3916 dont_generate_debug_code
3917 }
3918 ARG_1 {
3919 size 1
3920 mask SEND_MSG 0x80
3921 mask SEND_SENSE 0x40
3922 mask SEND_REJ 0x20
3923 mask MSGOUT_PHASEMIS 0x10
3924 mask EXIT_MSG_LOOP 0x08
3925 mask CONT_MSG_LOOP_WRITE 0x04
3926 mask CONT_MSG_LOOP_READ 0x03
3927 mask CONT_MSG_LOOP_TARG 0x02
3928 alias RETURN_1
3929 dont_generate_debug_code
3930 }
3931 ARG_2 {
3932 size 1
3933 count 1
3934 alias RETURN_2
3935 dont_generate_debug_code
3936 }
3938 /*
3939 * Snapshot of MSG_OUT taken after each message is sent.
3940 */
3941 LAST_MSG {
3942 size 1
3943 dont_generate_debug_code
3944 }
3946 /*
3947 * Sequences the kernel driver has okayed for us. This allows
3948 * the driver to do things like prevent initiator or target
3949 * operations.
3950 */
3951 SCSISEQ_TEMPLATE {
3952 size 1
3953 count 7
3954 field MANUALCTL 0x40
3955 field ENSELI 0x20
3956 field ENRSELI 0x10
3957 field MANUALP 0x0C
3958 field ENAUTOATNP 0x02
3959 field ALTSTIM 0x01
3960 dont_generate_debug_code
3961 }
3963 /*
3964 * The initiator specified tag for this target mode transaction.
3965 */
3966 INITIATOR_TAG {
3967 size 1
3968 count 1
3969 dont_generate_debug_code
3970 }
3972 SEQ_FLAGS2 {
3973 size 1
3974 field PENDING_MK_MESSAGE 0x01
3975 field TARGET_MSG_PENDING 0x02
3976 field SELECTOUT_QFROZEN 0x04
3977 }
3979 ALLOCFIFO_SCBPTR {
3980 size 2
3981 dont_generate_debug_code
3982 }
3984 /*
3985 * The maximum amount of time to wait, when interrupt coalescing
3986 * is enabled, before issuing a CMDCMPLT interrupt for a completed
3987 * command.
3988 */
3989 INT_COALESCING_TIMER {
3990 size 2
3991 dont_generate_debug_code
3992 }
3994 /*
3995 * The maximum number of commands to coalesce into a single interrupt.
3996 * Actually the 2's complement of that value to simplify sequencer
3997 * code.
3998 */
3999 INT_COALESCING_MAXCMDS {
4000 size 1
4001 dont_generate_debug_code
4002 }
4004 /*
4005 * The minimum number of commands still outstanding required
4006 * to continue coalescing (2's complement of value).
4007 */
4008 INT_COALESCING_MINCMDS {
4009 size 1
4010 dont_generate_debug_code
4011 }
4013 /*
4014 * Number of commands "in-flight".
4015 */
4016 CMDS_PENDING {
4017 size 2
4018 dont_generate_debug_code
4019 }
4021 /*
4022 * The count of commands that have been coalesced.
4023 */
4024 INT_COALESCING_CMDCOUNT {
4025 size 1
4026 dont_generate_debug_code
4027 }
4029 /*
4030 * Since the HS_MAIBOX is self clearing, copy its contents to
4031 * this position in scratch ram every time it changes.
4032 */
4033 LOCAL_HS_MAILBOX {
4034 size 1
4035 dont_generate_debug_code
4036 }
4037 /*
4038 * Target-mode CDB type to CDB length table used
4039 * in non-packetized operation.
4040 */
4041 CMDSIZE_TABLE {
4042 size 8
4043 count 8
4044 dont_generate_debug_code
4045 }
4046 /*
4047 * When an SCB with the MK_MESSAGE flag is
4048 * queued to the controller, it cannot enter
4049 * the waiting for selection list until the
4050 * selections for any previously queued
4051 * commands to that target complete. During
4052 * the wait, the MK_MESSAGE SCB is queued
4053 * here.
4054 */
4055 MK_MESSAGE_SCB {
4056 size 2
4057 }
4058 /*
4059 * Saved SCSIID of MK_MESSAGE_SCB to avoid
4060 * an extra SCBPTR operation when deciding
4061 * if the MK_MESSAGE_SCB can be run.
4062 */
4063 MK_MESSAGE_SCSIID {
4064 size 1
4065 }
4066 }
4068 /************************* Hardware SCB Definition ****************************/
4069 scb {
4070 address 0x180
4071 size 64
4072 modes 0, 1, 2, 3
4073 SCB_RESIDUAL_DATACNT {
4074 size 4
4075 alias SCB_CDB_STORE
4076 alias SCB_HOST_CDB_PTR
4077 dont_generate_debug_code
4078 }
4079 SCB_RESIDUAL_SGPTR {
4080 size 4
4081 field SG_ADDR_MASK 0xf8 /* In the last byte */
4082 field SG_OVERRUN_RESID 0x02 /* In the first byte */
4083 field SG_LIST_NULL 0x01 /* In the first byte */
4084 dont_generate_debug_code
4085 }
4086 SCB_SCSI_STATUS {
4087 size 1
4088 alias SCB_HOST_CDB_LEN
4089 dont_generate_debug_code
4090 }
4091 SCB_TARGET_PHASES {
4092 size 1
4093 dont_generate_debug_code
4094 }
4095 SCB_TARGET_DATA_DIR {
4096 size 1
4097 dont_generate_debug_code
4098 }
4099 SCB_TARGET_ITAG {
4100 size 1
4101 dont_generate_debug_code
4102 }
4103 SCB_SENSE_BUSADDR {
4104 /*
4105 * Only valid if CDB length is less than 13 bytes or
4106 * we are using a CDB pointer. Otherwise contains
4107 * the last 4 bytes of embedded cdb information.
4108 */
4109 size 4
4110 alias SCB_NEXT_COMPLETE
4111 dont_generate_debug_code
4112 }
4113 SCB_TAG {
4114 alias SCB_FIFO_USE_COUNT
4115 size 2
4116 dont_generate_debug_code
4117 }
4118 SCB_CONTROL {
4119 size 1
4120 field TARGET_SCB 0x80
4121 field DISCENB 0x40
4122 field TAG_ENB 0x20
4123 field MK_MESSAGE 0x10
4124 field STATUS_RCVD 0x08
4125 field DISCONNECTED 0x04
4126 field SCB_TAG_TYPE 0x03
4127 }
4128 SCB_SCSIID {
4129 size 1
4130 field TID 0xF0
4131 field OID 0x0F
4132 }
4133 SCB_LUN {
4134 size 1
4135 field LID 0xff
4136 dont_generate_debug_code
4137 }
4138 SCB_TASK_ATTRIBUTE {
4139 size 1
4140 /*
4141 * Overloaded field for non-packetized
4142 * ignore wide residue message handling.
4143 */
4144 field SCB_XFERLEN_ODD 0x01
4145 dont_generate_debug_code
4146 }
4147 SCB_CDB_LEN {
4148 size 1
4149 field SCB_CDB_LEN_PTR 0x80 /* CDB in host memory */
4150 dont_generate_debug_code
4151 }
4152 SCB_TASK_MANAGEMENT {
4153 size 1
4154 dont_generate_debug_code
4155 }
4156 SCB_DATAPTR {
4157 size 8
4158 dont_generate_debug_code
4159 }
4160 SCB_DATACNT {
4161 /*
4162 * The last byte is really the high address bits for
4163 * the data address.
4164 */
4165 size 4
4166 field SG_LAST_SEG 0x80 /* In the fourth byte */
4167 field SG_HIGH_ADDR_BITS 0x7F /* In the fourth byte */
4168 dont_generate_debug_code
4169 }
4170 SCB_SGPTR {
4171 size 4
4172 field SG_STATUS_VALID 0x04 /* In the first byte */
4173 field SG_FULL_RESID 0x02 /* In the first byte */
4174 field SG_LIST_NULL 0x01 /* In the first byte */
4175 dont_generate_debug_code
4176 }
4177 SCB_BUSADDR {
4178 size 4
4179 dont_generate_debug_code
4180 }
4181 SCB_NEXT {
4182 alias SCB_NEXT_SCB_BUSADDR
4183 size 2
4184 dont_generate_debug_code
4185 }
4186 SCB_NEXT2 {
4187 size 2
4188 dont_generate_debug_code
4189 }
4190 SCB_SPARE {
4191 size 8
4192 alias SCB_PKT_LUN
4193 }
4194 SCB_DISCONNECTED_LISTS {
4195 size 8
4196 dont_generate_debug_code
4197 }
4198 }
4200 /*********************************** Constants ********************************/
4201 const MK_MESSAGE_BIT_OFFSET 4
4202 const TID_SHIFT 4
4203 const TARGET_CMD_CMPLT 0xfe
4204 const INVALID_ADDR 0x80
4205 #define SCB_LIST_NULL 0xff
4206 #define QOUTFIFO_ENTRY_VALID_TOGGLE 0x80
4208 const CCSGADDR_MAX 0x80
4209 const CCSCBADDR_MAX 0x80
4210 const CCSGRAM_MAXSEGS 16
4212 /* Selection Timeout Timer Constants */
4213 const STIMESEL_SHIFT 3
4214 const STIMESEL_MIN 0x18
4215 const STIMESEL_BUG_ADJ 0x8
4217 /* WDTR Message values */
4218 const BUS_8_BIT 0x00
4219 const BUS_16_BIT 0x01
4220 const BUS_32_BIT 0x02
4222 /* Offset maximums */
4223 const MAX_OFFSET 0xfe
4224 const MAX_OFFSET_PACED 0xfe
4225 const MAX_OFFSET_PACED_BUG 0x7f
4226 /*
4227 * Some 160 devices incorrectly accept 0xfe as a
4228 * sync offset, but will overrun this value. Limit
4229 * to 0x7f for speed lower than U320 which will
4230 * avoid the persistent sync offset overruns.
4231 */
4232 const MAX_OFFSET_NON_PACED 0x7f
4233 const HOST_MSG 0xff
4235 /*
4236 * The size of our sense buffers.
4237 * Sense buffer mapping can be handled in either of two ways.
4238 * The first is to allocate a dmamap for each transaction.
4239 * Depending on the architecture, dmamaps can be costly. The
4240 * alternative is to statically map the buffers in much the same
4241 * way we handle our scatter gather lists. The driver implements
4242 * the later.
4243 */
4244 const AHD_SENSE_BUFSIZE 256
4246 /* Target mode command processing constants */
4247 const CMD_GROUP_CODE_SHIFT 0x05
4249 const STATUS_BUSY 0x08
4250 const STATUS_QUEUE_FULL 0x28
4251 const STATUS_PKT_SENSE 0xFF
4252 const TARGET_DATA_IN 1
4254 const SCB_TRANSFER_SIZE_FULL_LUN 56
4255 const SCB_TRANSFER_SIZE_1BYTE_LUN 48
4256 /* PKT_OVERRUN_BUFSIZE must be a multiple of 256 less than 64K */
4257 const PKT_OVERRUN_BUFSIZE 512
4259 /*
4260 * Timer parameters.
4261 */
4262 const AHD_TIMER_US_PER_TICK 25
4263 const AHD_TIMER_MAX_TICKS 0xFFFF
4264 const AHD_TIMER_MAX_US (AHD_TIMER_MAX_TICKS * AHD_TIMER_US_PER_TICK)
4266 /*
4267 * Downloaded (kernel inserted) constants
4268 */
4269 const SG_PREFETCH_CNT download
4270 const SG_PREFETCH_CNT_LIMIT download
4271 const SG_PREFETCH_ALIGN_MASK download
4272 const SG_PREFETCH_ADDR_MASK download
4273 const SG_SIZEOF download
4274 const PKT_OVERRUN_BUFOFFSET download
4275 const SCB_TRANSFER_SIZE download
4276 const CACHELINE_MASK download
4278 /*
4279 * BIOS SCB offsets
4280 */
4281 const NVRAM_SCB_OFFSET 0x2C