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-rw-r--r--drivers/char/rio/rioinit.c1152
1 files changed, 0 insertions, 1152 deletions
diff --git a/drivers/char/rio/rioinit.c b/drivers/char/rio/rioinit.c
index 898a126ae3e6..0d44ef464e6b 100644
--- a/drivers/char/rio/rioinit.c
+++ b/drivers/char/rio/rioinit.c
@@ -87,222 +87,8 @@ static char *_rioinit_c_sccs_ = "@(#)rioinit.c 1.3";
87 87
88int RIOPCIinit(struct rio_info *p, int Mode); 88int RIOPCIinit(struct rio_info *p, int Mode);
89 89
90#if 0
91static void RIOAllocateInterrupts(struct rio_info *);
92static int RIOReport(struct rio_info *);
93static void RIOStopInterrupts(struct rio_info *, int, int);
94#endif
95
96static int RIOScrub(int, BYTE *, int); 90static int RIOScrub(int, BYTE *, int);
97 91
98#if 0
99extern int rio_intr();
100
101/*
102** Init time code.
103*/
104void
105rioinit( p, info )
106struct rio_info * p;
107struct RioHostInfo * info;
108{
109 /*
110 ** Multi-Host card support - taking the easy way out - sorry !
111 ** We allocate and set up the Host and Port structs when the
112 ** driver is called to 'install' the first host.
113 ** We check for this first 'call' by testing the RIOPortp pointer.
114 */
115 if ( !p->RIOPortp )
116 {
117 rio_dprintk (RIO_DEBUG_INIT, "Allocating and setting up driver data structures\n");
118
119 RIOAllocDataStructs(p); /* allocate host/port structs */
120 RIOSetupDataStructs(p); /* setup topology structs */
121 }
122
123 RIOInitHosts( p, info ); /* hunt down the hardware */
124
125 RIOAllocateInterrupts(p); /* allocate interrupts */
126 RIOReport(p); /* show what we found */
127}
128
129/*
130** Initialise the Cards
131*/
132void
133RIOInitHosts(p, info)
134struct rio_info * p;
135struct RioHostInfo * info;
136{
137/*
138** 15.10.1998 ARG - ESIL 0762 part fix
139** If there is no ISA card definition - we always look for PCI cards.
140** As we currently only support one host card this lets an ISA card
141** definition take precedence over PLUG and PLAY.
142** No ISA card - we are PLUG and PLAY with PCI.
143*/
144
145 /*
146 ** Note - for PCI both these will be zero, that's okay because
147 ** RIOPCIInit() fills them in if a card is found.
148 */
149 p->RIOHosts[p->RIONumHosts].Ivec = info->vector;
150 p->RIOHosts[p->RIONumHosts].PaddrP = info->location;
151
152 /*
153 ** Check that we are able to accommodate another host
154 */
155 if ( p->RIONumHosts >= RIO_HOSTS )
156 {
157 p->RIOFailed++;
158 return;
159 }
160
161 if ( info->bus & ISA_BUS )
162 {
163 rio_dprintk (RIO_DEBUG_INIT, "initialising card %d (ISA)\n", p->RIONumHosts);
164 RIOISAinit(p, p->mode);
165 }
166 else
167 {
168 rio_dprintk (RIO_DEBUG_INIT, "initialising card %d (PCI)\n", p->RIONumHosts);
169 RIOPCIinit(p, RIO_PCI_DEFAULT_MODE);
170 }
171
172 rio_dprintk (RIO_DEBUG_INIT, "Total hosts initialised so far : %d\n", p->RIONumHosts);
173
174
175#ifdef FUTURE_RELEASE
176 if (p->bus & EISA_BUS)
177 /* EISA card */
178 RIOEISAinit(p, RIO_EISA_DEFAULT_MODE);
179
180 if (p->bus & MCA_BUS)
181 /* MCA card */
182 RIOMCAinit(p, RIO_MCA_DEFAULT_MODE);
183#endif
184}
185
186/*
187** go through memory for an AT host that we pass in the device info
188** structure and initialise
189*/
190void
191RIOISAinit(p, mode)
192struct rio_info * p;
193int mode;
194{
195
196 /* XXX Need to implement this. */
197#if 0
198 p->intr_tid = iointset(p->RIOHosts[p->RIONumHosts].Ivec,
199 (int (*)())rio_intr, (char*)p->RIONumHosts);
200
201 rio_dprintk (RIO_DEBUG_INIT, "Set interrupt handler, intr_tid = 0x%x\n", p->intr_tid );
202
203 if (RIODoAT(p, p->RIOHosts[p->RIONumHosts].PaddrP, mode)) {
204 return;
205 }
206 else {
207 rio_dprintk (RIO_DEBUG_INIT, "RIODoAT failed\n");
208 p->RIOFailed++;
209 }
210#endif
211
212}
213
214/*
215** RIODoAT :
216**
217** Map in a boards physical address, check that the board is there,
218** test the board and if everything is okay assign the board an entry
219** in the Rio Hosts structure.
220*/
221int
222RIODoAT(p, Base, mode)
223struct rio_info * p;
224int Base;
225int mode;
226{
227#define FOUND 1
228#define NOT_FOUND 0
229
230 caddr_t cardAddr;
231
232 /*
233 ** Check to see if we actually have a board at this physical address.
234 */
235 if ((cardAddr = RIOCheckForATCard(Base)) != 0) {
236 /*
237 ** Now test the board to see if it is working.
238 */
239 if (RIOBoardTest(Base, cardAddr, RIO_AT, 0) == RIO_SUCCESS) {
240 /*
241 ** Fill out a slot in the Rio host structure.
242 */
243 if (RIOAssignAT(p, Base, cardAddr, mode)) {
244 return(FOUND);
245 }
246 }
247 RIOMapout(Base, RIO_AT_MEM_SIZE, cardAddr);
248 }
249 return(NOT_FOUND);
250}
251
252caddr_t
253RIOCheckForATCard(Base)
254int Base;
255{
256 int off;
257 struct DpRam *cardp; /* (Points at the host) */
258 caddr_t virtAddr;
259 unsigned char RIOSigTab[24];
260/*
261** Table of values to search for as prom signature of a host card
262*/
263 strcpy(RIOSigTab, "JBJGPGGHINSMJPJR");
264
265 /*
266 ** Hey! Yes, You reading this code! Yo, grab a load a this:
267 **
268 ** IF the card is using WORD MODE rather than BYTE MODE
269 ** then it will occupy 128K of PHYSICAL memory area. So,
270 ** you might think that the following Mapin is wrong. Well,
271 ** it isn't, because the SECOND 64K of occupied space is an
272 ** EXACT COPY of the FIRST 64K. (good?), so, we need only
273 ** map it in in one 64K block.
274 */
275 if (RIOMapin(Base, RIO_AT_MEM_SIZE, &virtAddr) == -1) {
276 rio_dprintk (RIO_DEBUG_INIT, "RIO-init: Couldn't map the board in!\n");
277 return((caddr_t)0);
278 }
279
280 /*
281 ** virtAddr points to the DP ram of the system.
282 ** We now cast this to a pointer to a RIO Host,
283 ** and have a rummage about in the PROM.
284 */
285 cardp = (struct DpRam *)virtAddr;
286
287 for (off=0; RIOSigTab[off]; off++) {
288 if ((RBYTE(cardp->DpSignature[off]) & 0xFF) != RIOSigTab[off]) {
289 /*
290 ** Signature mismatch - card not at this address
291 */
292 RIOMapout(Base, RIO_AT_MEM_SIZE, virtAddr);
293 rio_dprintk (RIO_DEBUG_INIT, "RIO-init: Couldn't match the signature 0x%x 0x%x!\n",
294 (int)cardp, off);
295 return((caddr_t)0);
296 }
297 }
298
299 /*
300 ** If we get here then we must have found a valid board so return
301 ** its virtual address.
302 */
303 return(virtAddr);
304}
305#endif
306 92
307/** 93/**
308** RIOAssignAT : 94** RIOAssignAT :
@@ -367,667 +153,6 @@ int mode;
367 rio_dprintk (RIO_DEBUG_INIT, "RIO-init: Tests Passed at 0x%x\n", Base); 153 rio_dprintk (RIO_DEBUG_INIT, "RIO-init: Tests Passed at 0x%x\n", Base);
368 return(1); 154 return(1);
369} 155}
370#if 0
371#ifdef FUTURE_RELEASE
372int RIOMCAinit(int Mode)
373{
374 uchar SlotNumber;
375 caddr_t Caddr;
376 uint Paddr;
377 uint Ivec;
378 int Handle;
379 int ret = 0;
380
381 /*
382 ** Valid mode information for MCA cards
383 ** is only FAST LINKS
384 */
385 Mode = (Mode & FAST_LINKS) ? McaTpFastLinks : McaTpSlowLinks;
386 rio_dprintk (RIO_DEBUG_INIT, "RIOMCAinit(%d)\n",Mode);
387
388
389 /*
390 ** Check out each of the slots
391 */
392 for (SlotNumber = 0; SlotNumber < McaMaxSlots; SlotNumber++) {
393 /*
394 ** Enable the slot we want to talk to
395 */
396 outb( McaSlotSelect, SlotNumber | McaSlotEnable );
397
398 /*
399 ** Read the ID word from the slot
400 */
401 if (((inb(McaIdHigh)<< 8)|inb(McaIdLow)) == McaRIOId)
402 {
403 rio_dprintk (RIO_DEBUG_INIT, "Potential MCA card in slot %d\n", SlotNumber);
404
405 /*
406 ** Card appears to be a RIO MCA card!
407 */
408 RIOMachineType |= (1<<RIO_MCA);
409
410 /*
411 ** Just check we haven't found too many wonderful objects
412 */
413 if ( RIONumHosts >= RIO_HOSTS )
414 {
415 Rprintf(RIOMesgTooManyCards);
416 return(ret);
417 }
418
419 /*
420 ** McaIrqEnable contains the interrupt vector, and a card
421 ** enable bit.
422 */
423 Ivec = inb(McaIrqEnable);
424
425 rio_dprintk (RIO_DEBUG_INIT, "Ivec is %x\n", Ivec);
426
427 switch ( Ivec & McaIrqMask )
428 {
429 case McaIrq9:
430 rio_dprintk (RIO_DEBUG_INIT, "IRQ9\n");
431 break;
432 case McaIrq3:
433 rio_dprintk (RIO_DEBUG_INIT, "IRQ3\n");
434 break;
435 case McaIrq4:
436 rio_dprintk (RIO_DEBUG_INIT, "IRQ4\n");
437 break;
438 case McaIrq7:
439 rio_dprintk (RIO_DEBUG_INIT, "IRQ7\n");
440 break;
441 case McaIrq10:
442 rio_dprintk (RIO_DEBUG_INIT, "IRQ10\n");
443 break;
444 case McaIrq11:
445 rio_dprintk (RIO_DEBUG_INIT, "IRQ11\n");
446 break;
447 case McaIrq12:
448 rio_dprintk (RIO_DEBUG_INIT, "IRQ12\n");
449 break;
450 case McaIrq15:
451 rio_dprintk (RIO_DEBUG_INIT, "IRQ15\n");
452 break;
453 }
454
455 /*
456 ** If the card enable bit isn't set, then set it!
457 */
458 if ((Ivec & McaCardEnable) != McaCardEnable) {
459 rio_dprintk (RIO_DEBUG_INIT, "McaCardEnable not set - setting!\n");
460 outb(McaIrqEnable,Ivec|McaCardEnable);
461 } else
462 rio_dprintk (RIO_DEBUG_INIT, "McaCardEnable already set\n");
463
464 /*
465 ** Convert the IRQ enable mask into something useful
466 */
467 Ivec = RIOMcaToIvec[Ivec & McaIrqMask];
468
469 /*
470 ** Find the physical address
471 */
472 rio_dprintk (RIO_DEBUG_INIT, "inb(McaMemory) is %x\n", inb(McaMemory));
473 Paddr = McaAddress(inb(McaMemory));
474
475 rio_dprintk (RIO_DEBUG_INIT, "MCA card has Ivec %d Addr %x\n", Ivec, Paddr);
476
477 if ( Paddr != 0 )
478 {
479
480 /*
481 ** Tell the memory mapper that we want to talk to it
482 */
483 Handle = RIOMapin( Paddr, RIO_MCA_MEM_SIZE, &Caddr );
484
485 if ( Handle == -1 ) {
486 rio_dprintk (RIO_DEBUG_INIT, "Couldn't map %d bytes at %x\n", RIO_MCA_MEM_SIZE, Paddr;
487 continue;
488 }
489
490 rio_dprintk (RIO_DEBUG_INIT, "Board mapped to vaddr 0x%x\n", Caddr);
491
492 /*
493 ** And check that it is actually there!
494 */
495 if ( RIOBoardTest( Paddr,Caddr,RIO_MCA,SlotNumber ) == RIO_SUCCESS )
496 {
497 rio_dprintk (RIO_DEBUG_INIT, "Board has passed test\n");
498 rio_dprintk (RIO_DEBUG_INIT, "Slot %d. Type %d. Paddr 0x%x. Caddr 0x%x. Mode 0x%x.\n",
499 SlotNumber, RIO_MCA, Paddr, Caddr, Mode);
500
501 /*
502 ** Board has passed its scrub test. Fill in all the
503 ** transient stuff.
504 */
505 p->RIOHosts[RIONumHosts].Slot = SlotNumber;
506 p->RIOHosts[RIONumHosts].Ivec = Ivec;
507 p->RIOHosts[RIONumHosts].Type = RIO_MCA;
508 p->RIOHosts[RIONumHosts].Copy = bcopy;
509 p->RIOHosts[RIONumHosts].PaddrP = Paddr;
510 p->RIOHosts[RIONumHosts].Caddr = Caddr;
511 p->RIOHosts[RIONumHosts].CardP = (struct DpRam *)Caddr;
512 p->RIOHosts[RIONumHosts].Mode = Mode;
513 WBYTE(p->RIOHosts[p->RIONumHosts].ResetInt , 0xff);
514 p->RIOHosts[RIONumHosts].UniqueNum =
515 ((RBYTE(p->RIOHosts[RIONumHosts].Unique[0])&0xFF)<<0)|
516 ((RBYTE(p->RIOHosts[RIONumHosts].Unique[1])&0xFF)<<8)|
517 ((RBYTE(p->RIOHosts[RIONumHosts].Unique[2])&0xFF)<<16)|
518 ((RBYTE(p->RIOHosts[RIONumHosts].Unique[3])&0xFF)<<24);
519 RIONumHosts++;
520 ret++;
521 }
522 else
523 {
524 /*
525 ** It failed the test, so ignore it.
526 */
527 rio_dprintk (RIO_DEBUG_INIT, "TEST FAILED\n");
528 RIOMapout(Paddr, RIO_MCA_MEM_SIZE, Caddr );
529 }
530 }
531 else
532 {
533 rio_dprintk (RIO_DEBUG_INIT, "Slot %d - Paddr zero!\n", SlotNumber);
534 }
535 }
536 else
537 {
538 rio_dprintk (RIO_DEBUG_INIT, "Slot %d NOT RIO\n", SlotNumber);
539 }
540 }
541 /*
542 ** Now we have checked all the slots, turn off the MCA slot selector
543 */
544 outb(McaSlotSelect,0);
545 rio_dprintk (RIO_DEBUG_INIT, "Slot %d NOT RIO\n", SlotNumber);
546 return ret;
547}
548
549int RIOEISAinit( int Mode )
550{
551 static int EISADone = 0;
552 uint Paddr;
553 int PollIntMixMsgDone = 0;
554 caddr_t Caddr;
555 ushort Ident;
556 uchar EisaSlot;
557 uchar Ivec;
558 int ret = 0;
559
560 /*
561 ** The only valid mode information for EISA hosts is fast or slow
562 ** links.
563 */
564 Mode = (Mode & FAST_LINKS) ? EISA_TP_FAST_LINKS : EISA_TP_SLOW_LINKS;
565
566 if ( EISADone )
567 {
568 rio_dprintk (RIO_DEBUG_INIT, "RIOEISAinit() - already done, return.\n");
569 return(0);
570 }
571
572 EISADone++;
573
574 rio_dprintk (RIO_DEBUG_INIT, "RIOEISAinit()\n");
575
576
577 /*
578 ** First check all cards to see if ANY are set for polled mode operation.
579 ** If so, set ALL to polled.
580 */
581
582 for ( EisaSlot=1; EisaSlot<=RIO_MAX_EISA_SLOTS; EisaSlot++ )
583 {
584 Ident = (INBZ(EisaSlot,EISA_PRODUCT_IDENT_HI)<<8) |
585 INBZ(EisaSlot,EISA_PRODUCT_IDENT_LO);
586
587 if ( Ident == RIO_EISA_IDENT )
588 {
589 rio_dprintk (RIO_DEBUG_INIT, "Found Specialix product\n");
590
591 if ( INBZ(EisaSlot,EISA_PRODUCT_NUMBER) != RIO_EISA_PRODUCT_CODE )
592 {
593 rio_dprintk (RIO_DEBUG_INIT, "Not Specialix RIO - Product number %x\n",
594 INBZ(EisaSlot, EISA_PRODUCT_NUMBER));
595 continue; /* next slot */
596 }
597 /*
598 ** Its a Specialix RIO!
599 */
600 rio_dprintk (RIO_DEBUG_INIT, "RIO Revision %d\n",
601 INBZ(EisaSlot, EISA_REVISION_NUMBER));
602
603 RIOMachineType |= (1<<RIO_EISA);
604
605 /*
606 ** Just check we haven't found too many wonderful objects
607 */
608 if ( RIONumHosts >= RIO_HOSTS )
609 {
610 Rprintf(RIOMesgTooManyCards);
611 return 0;
612 }
613
614 /*
615 ** Ensure that the enable bit is set!
616 */
617 OUTBZ( EisaSlot, EISA_ENABLE, RIO_EISA_ENABLE_BIT );
618
619 /*
620 ** EISA_INTERRUPT_VEC contains the interrupt vector.
621 */
622 Ivec = INBZ(EisaSlot,EISA_INTERRUPT_VEC);
623
624#ifdef RIODEBUG
625 switch ( Ivec & EISA_INTERRUPT_MASK )
626 {
627 case EISA_IRQ_3:
628 rio_dprintk (RIO_DEBUG_INIT, "EISA IRQ 3\n");
629 break;
630 case EISA_IRQ_4:
631 rio_dprintk (RIO_DEBUG_INIT, "EISA IRQ 4\n");
632 break;
633 case EISA_IRQ_5:
634 rio_dprintk (RIO_DEBUG_INIT, "EISA IRQ 5\n");
635 break;
636 case EISA_IRQ_6:
637 rio_dprintk (RIO_DEBUG_INIT, "EISA IRQ 6\n");
638 break;
639 case EISA_IRQ_7:
640 rio_dprintk (RIO_DEBUG_INIT, "EISA IRQ 7\n");
641 break;
642 case EISA_IRQ_9:
643 rio_dprintk (RIO_DEBUG_INIT, "EISA IRQ 9\n");
644 break;
645 case EISA_IRQ_10:
646 rio_dprintk (RIO_DEBUG_INIT, "EISA IRQ 10\n");
647 break;
648 case EISA_IRQ_11:
649 rio_dprintk (RIO_DEBUG_INIT, "EISA IRQ 11\n");
650 break;
651 case EISA_IRQ_12:
652 rio_dprintk (RIO_DEBUG_INIT, "EISA IRQ 12\n");
653 break;
654 case EISA_IRQ_14:
655 rio_dprintk (RIO_DEBUG_INIT, "EISA IRQ 14\n");
656 break;
657 case EISA_IRQ_15:
658 rio_dprintk (RIO_DEBUG_INIT, "EISA IRQ 15\n");
659 break;
660 case EISA_POLLED:
661 rio_dprintk (RIO_DEBUG_INIT, "EISA POLLED\n");
662 break;
663 default:
664 rio_dprintk (RIO_DEBUG_INIT, NULL,DBG_INIT|DBG_FAIL,"Shagged interrupt number!\n");
665 Ivec &= EISA_CONTROL_MASK;
666 }
667#endif
668
669 if ( (Ivec & EISA_INTERRUPT_MASK) ==
670 EISA_POLLED )
671 {
672 RIOWillPoll = 1;
673 break; /* From EisaSlot loop */
674 }
675 }
676 }
677
678 /*
679 ** Do it all again now we know whether to change all cards to polled
680 ** mode or not
681 */
682
683 for ( EisaSlot=1; EisaSlot<=RIO_MAX_EISA_SLOTS; EisaSlot++ )
684 {
685 Ident = (INBZ(EisaSlot,EISA_PRODUCT_IDENT_HI)<<8) |
686 INBZ(EisaSlot,EISA_PRODUCT_IDENT_LO);
687
688 if ( Ident == RIO_EISA_IDENT )
689 {
690 if ( INBZ(EisaSlot,EISA_PRODUCT_NUMBER) != RIO_EISA_PRODUCT_CODE )
691 continue; /* next slot */
692
693 /*
694 ** Its a Specialix RIO!
695 */
696
697 /*
698 ** Ensure that the enable bit is set!
699 */
700 OUTBZ( EisaSlot, EISA_ENABLE, RIO_EISA_ENABLE_BIT );
701
702 /*
703 ** EISA_INTERRUPT_VEC contains the interrupt vector.
704 */
705 Ivec = INBZ(EisaSlot,EISA_INTERRUPT_VEC);
706
707 if ( RIOWillPoll )
708 {
709 /*
710 ** If we are going to operate in polled mode, but this
711 ** board is configured to be interrupt driven, display
712 ** the message explaining the situation to the punter,
713 ** assuming we haven't already done so.
714 */
715
716 if ( !PollIntMixMsgDone &&
717 (Ivec & EISA_INTERRUPT_MASK) != EISA_POLLED )
718 {
719 Rprintf(RIOMesgAllPolled);
720 PollIntMixMsgDone = 1;
721 }
722
723 /*
724 ** Ungraciously ignore whatever the board reports as its
725 ** interrupt vector...
726 */
727
728 Ivec &= ~EISA_INTERRUPT_MASK;
729
730 /*
731 ** ...and force it to dance to the poll tune.
732 */
733
734 Ivec |= EISA_POLLED;
735 }
736
737 /*
738 ** Convert the IRQ enable mask into something useful (0-15)
739 */
740 Ivec = RIOEisaToIvec(Ivec);
741
742 rio_dprintk (RIO_DEBUG_INIT, "EISA host in slot %d has Ivec 0x%x\n",
743 EisaSlot, Ivec);
744
745 /*
746 ** Find the physical address
747 */
748 Paddr = (INBZ(EisaSlot,EISA_MEMORY_BASE_HI)<<24) |
749 (INBZ(EisaSlot,EISA_MEMORY_BASE_LO)<<16);
750
751 rio_dprintk (RIO_DEBUG_INIT, "EISA card has Ivec %d Addr %x\n", Ivec, Paddr);
752
753 if ( Paddr == 0 )
754 {
755 rio_dprintk (RIO_DEBUG_INIT,
756 "Board in slot %d configured for address zero!\n", EisaSlot);
757 continue;
758 }
759
760 /*
761 ** Tell the memory mapper that we want to talk to it
762 */
763 rio_dprintk (RIO_DEBUG_INIT, "About to map EISA card \n");
764
765 if (RIOMapin( Paddr, RIO_EISA_MEM_SIZE, &Caddr) == -1) {
766 rio_dprintk (RIO_DEBUG_INIT, "Couldn't map %d bytes at %x\n",
767 RIO_EISA_MEM_SIZE,Paddr);
768 continue;
769 }
770
771 rio_dprintk (RIO_DEBUG_INIT, "Board mapped to vaddr 0x%x\n", Caddr);
772
773 /*
774 ** And check that it is actually there!
775 */
776 if ( RIOBoardTest( Paddr,Caddr,RIO_EISA,EisaSlot) == RIO_SUCCESS )
777 {
778 rio_dprintk (RIO_DEBUG_INIT, "Board has passed test\n");
779 rio_dprintk (RIO_DEBUG_INIT,
780 "Slot %d. Ivec %d. Type %d. Paddr 0x%x. Caddr 0x%x. Mode 0x%x.\n",
781 EisaSlot,Ivec,RIO_EISA,Paddr,Caddr,Mode);
782
783 /*
784 ** Board has passed its scrub test. Fill in all the
785 ** transient stuff.
786 */
787 p->RIOHosts[RIONumHosts].Slot = EisaSlot;
788 p->RIOHosts[RIONumHosts].Ivec = Ivec;
789 p->RIOHosts[RIONumHosts].Type = RIO_EISA;
790 p->RIOHosts[RIONumHosts].Copy = bcopy;
791 p->RIOHosts[RIONumHosts].PaddrP = Paddr;
792 p->RIOHosts[RIONumHosts].Caddr = Caddr;
793 p->RIOHosts[RIONumHosts].CardP = (struct DpRam *)Caddr;
794 p->RIOHosts[RIONumHosts].Mode = Mode;
795 /*
796 ** because the EISA prom is mapped into IO space, we
797 ** need to copy the unqiue number into the memory area
798 ** that it would have occupied, so that the download
799 ** code can determine its ID and card type.
800 */
801 WBYTE(p->RIOHosts[RIONumHosts].Unique[0],INBZ(EisaSlot,EISA_UNIQUE_NUM_0));
802 WBYTE(p->RIOHosts[RIONumHosts].Unique[1],INBZ(EisaSlot,EISA_UNIQUE_NUM_1));
803 WBYTE(p->RIOHosts[RIONumHosts].Unique[2],INBZ(EisaSlot,EISA_UNIQUE_NUM_2));
804 WBYTE(p->RIOHosts[RIONumHosts].Unique[3],INBZ(EisaSlot,EISA_UNIQUE_NUM_3));
805 p->RIOHosts[RIONumHosts].UniqueNum =
806 ((RBYTE(p->RIOHosts[RIONumHosts].Unique[0])&0xFF)<<0)|
807 ((RBYTE(p->RIOHosts[RIONumHosts].Unique[1])&0xFF)<<8)|
808 ((RBYTE(p->RIOHosts[RIONumHosts].Unique[2])&0xFF)<<16)|
809 ((RBYTE(p->RIOHosts[RIONumHosts].Unique[3])&0xFF)<<24);
810 INBZ(EisaSlot,EISA_INTERRUPT_RESET);
811 RIONumHosts++;
812 ret++;
813 }
814 else
815 {
816 /*
817 ** It failed the test, so ignore it.
818 */
819 rio_dprintk (RIO_DEBUG_INIT, "TEST FAILED\n");
820
821 RIOMapout(Paddr, RIO_EISA_MEM_SIZE, Caddr );
822 }
823 }
824 }
825 if (RIOMachineType & RIO_EISA)
826 return ret+1;
827 return ret;
828}
829#endif
830
831
832#ifndef linux
833
834#define CONFIG_ADDRESS 0xcf8
835#define CONFIG_DATA 0xcfc
836#define FORWARD_REG 0xcfa
837
838
839static int
840read_config(int bus_number, int device_num, int r_number)
841{
842 unsigned int cav;
843 unsigned int val;
844
845/*
846 Build config_address_value:
847
848 31 24 23 16 15 11 10 8 7 0
849 ------------------------------------------------------
850 |1| 0000000 | bus_number | device # | 000 | register |
851 ------------------------------------------------------
852*/
853
854 cav = r_number & 0xff;
855 cav |= ((device_num & 0x1f) << 11);
856 cav |= ((bus_number & 0xff) << 16);
857 cav |= 0x80000000; /* Enable bit */
858 outpd(CONFIG_ADDRESS,cav);
859 val = inpd(CONFIG_DATA);
860 outpd(CONFIG_ADDRESS,0);
861 return val;
862}
863
864static
865write_config(bus_number,device_num,r_number,val)
866{
867 unsigned int cav;
868
869/*
870 Build config_address_value:
871
872 31 24 23 16 15 11 10 8 7 0
873 ------------------------------------------------------
874 |1| 0000000 | bus_number | device # | 000 | register |
875 ------------------------------------------------------
876*/
877
878 cav = r_number & 0xff;
879 cav |= ((device_num & 0x1f) << 11);
880 cav |= ((bus_number & 0xff) << 16);
881 cav |= 0x80000000; /* Enable bit */
882 outpd(CONFIG_ADDRESS, cav);
883 outpd(CONFIG_DATA, val);
884 outpd(CONFIG_ADDRESS, 0);
885 return val;
886}
887#else
888/* XXX Implement these... */
889static int
890read_config(int bus_number, int device_num, int r_number)
891{
892 return 0;
893}
894
895static int
896write_config(int bus_number, int device_num, int r_number)
897{
898 return 0;
899}
900
901#endif
902
903int
904RIOPCIinit(p, Mode)
905struct rio_info *p;
906int Mode;
907{
908 #define MAX_PCI_SLOT 32
909 #define RIO_PCI_JET_CARD 0x200011CB
910
911 static int slot; /* count of machine's PCI slots searched so far */
912 caddr_t Caddr; /* Virtual address of the current PCI host card. */
913 unsigned char Ivec; /* interrupt vector for the current PCI host */
914 unsigned long Paddr; /* Physical address for the current PCI host */
915 int Handle; /* Handle to Virtual memory allocated for current PCI host */
916
917
918 rio_dprintk (RIO_DEBUG_INIT, "Search for a RIO PCI card - start at slot %d\n", slot);
919
920 /*
921 ** Initialise the search status
922 */
923 p->RIOLastPCISearch = RIO_FAIL;
924
925 while ( (slot < MAX_PCI_SLOT) & (p->RIOLastPCISearch != RIO_SUCCESS) )
926 {
927 rio_dprintk (RIO_DEBUG_INIT, "Currently testing slot %d\n", slot);
928
929 if (read_config(0,slot,0) == RIO_PCI_JET_CARD) {
930 p->RIOHosts[p->RIONumHosts].Ivec = 0;
931 Paddr = read_config(0,slot,0x18);
932 Paddr = Paddr - (Paddr & 0x1); /* Mask off the io bit */
933
934 if ( (Paddr == 0) || ((Paddr & 0xffff0000) == 0xffff0000) ) {
935 rio_dprintk (RIO_DEBUG_INIT, "Goofed up slot\n"); /* what! */
936 slot++;
937 continue;
938 }
939
940 p->RIOHosts[p->RIONumHosts].PaddrP = Paddr;
941 Ivec = (read_config(0,slot,0x3c) & 0xff);
942
943 rio_dprintk (RIO_DEBUG_INIT, "PCI Host at 0x%x, Intr %d\n", (int)Paddr, Ivec);
944
945 Handle = RIOMapin( Paddr, RIO_PCI_MEM_SIZE, &Caddr );
946 if (Handle == -1) {
947 rio_dprintk (RIO_DEBUG_INIT, "Couldn't map %d bytes at 0x%x\n", RIO_PCI_MEM_SIZE, (int)Paddr);
948 slot++;
949 continue;
950 }
951 p->RIOHosts[p->RIONumHosts].Ivec = Ivec + 32;
952 p->intr_tid = iointset(p->RIOHosts[p->RIONumHosts].Ivec,
953 (int (*)())rio_intr, (char *)p->RIONumHosts);
954 if (RIOBoardTest( Paddr, Caddr, RIO_PCI, 0 ) == RIO_SUCCESS) {
955 rio_dprintk (RIO_DEBUG_INIT, ("Board has passed test\n");
956 rio_dprintk (RIO_DEBUG_INIT, ("Paddr 0x%x. Caddr 0x%x. Mode 0x%x.\n", Paddr, Caddr, Mode);
957
958 /*
959 ** Board has passed its scrub test. Fill in all the
960 ** transient stuff.
961 */
962 p->RIOHosts[p->RIONumHosts].Slot = 0;
963 p->RIOHosts[p->RIONumHosts].Ivec = Ivec + 32;
964 p->RIOHosts[p->RIONumHosts].Type = RIO_PCI;
965 p->RIOHosts[p->RIONumHosts].Copy = rio_pcicopy;
966 p->RIOHosts[p->RIONumHosts].PaddrP = Paddr;
967 p->RIOHosts[p->RIONumHosts].Caddr = Caddr;
968 p->RIOHosts[p->RIONumHosts].CardP = (struct DpRam *)Caddr;
969 p->RIOHosts[p->RIONumHosts].Mode = Mode;
970
971#if 0
972 WBYTE(p->RIOHosts[p->RIONumHosts].Control,
973 BOOT_FROM_RAM | EXTERNAL_BUS_OFF |
974 p->RIOHosts[p->RIONumHosts].Mode |
975 INTERRUPT_DISABLE );
976 WBYTE(p->RIOHosts[p->RIONumHosts].ResetInt,0xff);
977 WBYTE(p->RIOHosts[p->RIONumHosts].Control,
978 BOOT_FROM_RAM | EXTERNAL_BUS_OFF |
979 p->RIOHosts[p->RIONumHosts].Mode |
980 INTERRUPT_DISABLE );
981 WBYTE(p->RIOHosts[p->RIONumHosts].ResetInt,0xff);
982#else
983 WBYTE(p->RIOHosts[p->RIONumHosts].ResetInt, 0xff);
984#endif
985 p->RIOHosts[p->RIONumHosts].UniqueNum =
986 ((RBYTE(p->RIOHosts[p->RIONumHosts].Unique[0])&0xFF)<<0)|
987 ((RBYTE(p->RIOHosts[p->RIONumHosts].Unique[1])&0xFF)<<8)|
988 ((RBYTE(p->RIOHosts[p->RIONumHosts].Unique[2])&0xFF)<<16)|
989 ((RBYTE(p->RIOHosts[p->RIONumHosts].Unique[3])&0xFF)<<24);
990
991 rio_dprintk (RIO_DEBUG_INIT, "Unique no 0x%x.\n",
992 p->RIOHosts[p->RIONumHosts].UniqueNum);
993
994 p->RIOLastPCISearch = RIO_SUCCESS;
995 p->RIONumHosts++;
996 }
997 }
998 slot++;
999 }
1000
1001 if ( slot >= MAX_PCI_SLOT ) {
1002 rio_dprintk (RIO_DEBUG_INIT, "All %d PCI slots have tested for RIO cards !!!\n",
1003 MAX_PCI_SLOT);
1004 }
1005
1006
1007 /*
1008 ** I don't think we want to do this anymore
1009 **
1010
1011 if (!p->RIOLastPCISearch == RIO_FAIL ) {
1012 p->RIOFailed++;
1013 }
1014
1015 **
1016 */
1017}
1018
1019#ifdef FUTURE_RELEASE
1020void riohalt( void )
1021{
1022 int host;
1023 for ( host=0; host<p->RIONumHosts; host++ )
1024 {
1025 rio_dprintk (RIO_DEBUG_INIT, "Stop host %d\n", host);
1026 (void)RIOBoardTest( p->RIOHosts[host].PaddrP, p->RIOHosts[host].Caddr, p->RIOHosts[host].Type,p->RIOHosts[host].Slot );
1027 }
1028}
1029#endif
1030#endif
1031 156
1032static uchar val[] = { 157static uchar val[] = {
1033#ifdef VERY_LONG_TEST 158#ifdef VERY_LONG_TEST
@@ -1262,200 +387,6 @@ int size;
1262 return RIO_SUCCESS; 387 return RIO_SUCCESS;
1263} 388}
1264 389
1265/*
1266** try to ensure that every host is either in polled mode
1267** or is in interrupt mode. Only allow interrupt mode if
1268** all hosts can interrupt (why?)
1269** and force into polled mode if told to. Patch up the
1270** interrupt vector & salute The Queen when you've done.
1271*/
1272#if 0
1273static void
1274RIOAllocateInterrupts(p)
1275struct rio_info * p;
1276{
1277 int Host;
1278
1279 /*
1280 ** Easy case - if we have been told to poll, then we poll.
1281 */
1282 if (p->mode & POLLED_MODE) {
1283 RIOStopInterrupts(p, 0, 0);
1284 return;
1285 }
1286
1287 /*
1288 ** check - if any host has been set to polled mode, then all must be.
1289 */
1290 for (Host=0; Host<p->RIONumHosts; Host++) {
1291 if ( (p->RIOHosts[Host].Type != RIO_AT) &&
1292 (p->RIOHosts[Host].Ivec == POLLED) ) {
1293 RIOStopInterrupts(p, 1, Host );
1294 return;
1295 }
1296 }
1297 for (Host=0; Host<p->RIONumHosts; Host++) {
1298 if (p->RIOHosts[Host].Type == RIO_AT) {
1299 if ( (p->RIOHosts[Host].Ivec - 32) == 0) {
1300 RIOStopInterrupts(p, 2, Host );
1301 return;
1302 }
1303 }
1304 }
1305}
1306
1307/*
1308** something has decided that we can't be doing with these
1309** new-fangled interrupt thingies. Set everything up to just
1310** poll.
1311*/
1312static void
1313RIOStopInterrupts(p, Reason, Host)
1314struct rio_info * p;
1315int Reason;
1316int Host;
1317{
1318#ifdef FUTURE_RELEASE
1319 switch (Reason) {
1320 case 0: /* forced into polling by rio_polled */
1321 break;
1322 case 1: /* SCU has set 'Host' into polled mode */
1323 break;
1324 case 2: /* there aren't enough interrupt vectors for 'Host' */
1325 break;
1326 }
1327#endif
1328
1329 for (Host=0; Host<p->RIONumHosts; Host++ ) {
1330 struct Host *HostP = &p->RIOHosts[Host];
1331
1332 switch (HostP->Type) {
1333 case RIO_AT:
1334 /*
1335 ** The AT host has it's interrupts disabled by clearing the
1336 ** int_enable bit.
1337 */
1338 HostP->Mode &= ~INTERRUPT_ENABLE;
1339 HostP->Ivec = POLLED;
1340 break;
1341#ifdef FUTURE_RELEASE
1342 case RIO_EISA:
1343 /*
1344 ** The EISA host has it's interrupts disabled by setting the
1345 ** Ivec to zero
1346 */
1347 HostP->Ivec = POLLED;
1348 break;
1349#endif
1350 case RIO_PCI:
1351 /*
1352 ** The PCI host has it's interrupts disabled by clearing the
1353 ** int_enable bit, like a regular host card.
1354 */
1355 HostP->Mode &= ~RIO_PCI_INT_ENABLE;
1356 HostP->Ivec = POLLED;
1357 break;
1358#ifdef FUTURE_RELEASE
1359 case RIO_MCA:
1360 /*
1361 ** There's always one, isn't there?
1362 ** The MCA host card cannot have it's interrupts disabled.
1363 */
1364 RIOPatchVec(HostP);
1365 break;
1366#endif
1367 }
1368 }
1369}
1370
1371/*
1372** This function is called at init time to setup the data structures.
1373*/
1374void
1375RIOAllocDataStructs(p)
1376struct rio_info * p;
1377{
1378 int port,
1379 host,
1380 tm;
1381
1382 p->RIOPortp = (struct Port *)sysbrk(RIO_PORTS * sizeof(struct Port));
1383 if (!p->RIOPortp) {
1384 rio_dprintk (RIO_DEBUG_INIT, "RIO-init: No memory for port structures\n");
1385 p->RIOFailed++;
1386 return;
1387 }
1388 bzero( p->RIOPortp, sizeof(struct Port) * RIO_PORTS );
1389 rio_dprintk (RIO_DEBUG_INIT, "RIO-init: allocated and cleared memory for port structs\n");
1390 rio_dprintk (RIO_DEBUG_INIT, "First RIO port struct @0x%x, size=0x%x bytes\n",
1391 (int)p->RIOPortp, sizeof(struct Port));
1392
1393 for( port=0; port<RIO_PORTS; port++ ) {
1394 p->RIOPortp[port].PortNum = port;
1395 p->RIOPortp[port].TtyP = &p->channel[port];
1396 sreset (p->RIOPortp[port].InUse); /* Let the first guy uses it */
1397 p->RIOPortp[port].portSem = -1; /* Let the first guy takes it */
1398 p->RIOPortp[port].ParamSem = -1; /* Let the first guy takes it */
1399 p->RIOPortp[port].timeout_id = 0; /* Let the first guy takes it */
1400 }
1401
1402 p->RIOHosts = (struct Host *)sysbrk(RIO_HOSTS * sizeof(struct Host));
1403 if (!p->RIOHosts) {
1404 rio_dprintk (RIO_DEBUG_INIT, "RIO-init: No memory for host structures\n");
1405 p->RIOFailed++;
1406 return;
1407 }
1408 bzero(p->RIOHosts, sizeof(struct Host)*RIO_HOSTS);
1409 rio_dprintk (RIO_DEBUG_INIT, "RIO-init: allocated and cleared memory for host structs\n");
1410 rio_dprintk (RIO_DEBUG_INIT, "First RIO host struct @0x%x, size=0x%x bytes\n",
1411 (int)p->RIOHosts, sizeof(struct Host));
1412
1413 for( host=0; host<RIO_HOSTS; host++ ) {
1414 spin_lock_init (&p->RIOHosts[host].HostLock);
1415 p->RIOHosts[host].timeout_id = 0; /* Let the first guy takes it */
1416 }
1417 /*
1418 ** check that the buffer size is valid, round down to the next power of
1419 ** two if necessary; if the result is zero, then, hey, no double buffers.
1420 */
1421 for ( tm = 1; tm && tm <= p->RIOConf.BufferSize; tm <<= 1 )
1422 ;
1423 tm >>= 1;
1424 p->RIOBufferSize = tm;
1425 p->RIOBufferMask = tm ? tm - 1 : 0;
1426}
1427
1428/*
1429** this function gets called whenever the data structures need to be
1430** re-setup, for example, after a riohalt (why did I ever invent it?)
1431*/
1432void
1433RIOSetupDataStructs(p)
1434struct rio_info * p;
1435{
1436 int host, entry, rup;
1437
1438 for ( host=0; host<RIO_HOSTS; host++ ) {
1439 struct Host *HostP = &p->RIOHosts[host];
1440 for ( entry=0; entry<LINKS_PER_UNIT; entry++ ) {
1441 HostP->Topology[entry].Unit = ROUTE_DISCONNECT;
1442 HostP->Topology[entry].Link = NO_LINK;
1443 }
1444 bcopy("HOST X", HostP->Name, 7);
1445 HostP->Name[5] = '1'+host;
1446 for (rup=0; rup<(MAX_RUP + LINKS_PER_UNIT); rup++) {
1447 if (rup < MAX_RUP) {
1448 for (entry=0; entry<LINKS_PER_UNIT; entry++ ) {
1449 HostP->Mapping[rup].Topology[entry].Unit = ROUTE_DISCONNECT;
1450 HostP->Mapping[rup].Topology[entry].Link = NO_LINK;
1451 }
1452 RIODefaultName(p, HostP, rup);
1453 }
1454 spin_lock_init(&HostP->UnixRups[rup].RupLock);
1455 }
1456 }
1457}
1458#endif
1459 390
1460int 391int
1461RIODefaultName(p, HostP, UnitId) 392RIODefaultName(p, HostP, UnitId)
@@ -1463,10 +394,6 @@ struct rio_info * p;
1463struct Host * HostP; 394struct Host * HostP;
1464uint UnitId; 395uint UnitId;
1465{ 396{
1466#ifdef CHECK
1467 CheckHost( Host );
1468 CheckUnitId( UnitId );
1469#endif
1470 bcopy("UNKNOWN RTA X-XX",HostP->Mapping[UnitId].Name,17); 397 bcopy("UNKNOWN RTA X-XX",HostP->Mapping[UnitId].Name,17);
1471 HostP->Mapping[UnitId].Name[12]='1'+(HostP-p->RIOHosts); 398 HostP->Mapping[UnitId].Name[12]='1'+(HostP-p->RIOHosts);
1472 if ((UnitId+1) > 9) { 399 if ((UnitId+1) > 9) {
@@ -1483,33 +410,6 @@ uint UnitId;
1483#define RIO_RELEASE "Linux" 410#define RIO_RELEASE "Linux"
1484#define RELEASE_ID "1.0" 411#define RELEASE_ID "1.0"
1485 412
1486#if 0
1487static int
1488RIOReport(p)
1489struct rio_info * p;
1490{
1491 char * RIORelease = RIO_RELEASE;
1492 char * RIORelID = RELEASE_ID;
1493 int host;
1494
1495 rio_dprintk (RIO_DEBUG_INIT, "RIO : Release: %s ID: %s\n", RIORelease, RIORelID);
1496
1497 if ( p->RIONumHosts==0 ) {
1498 rio_dprintk (RIO_DEBUG_INIT, "\nNo Hosts configured\n");
1499 return(0);
1500 }
1501
1502 for ( host=0; host < p->RIONumHosts; host++ ) {
1503 struct Host *HostP = &p->RIOHosts[host];
1504 switch ( HostP->Type ) {
1505 case RIO_AT:
1506 rio_dprintk (RIO_DEBUG_INIT, "AT BUS : found the card at 0x%x\n", HostP->PaddrP);
1507 }
1508 }
1509 return 0;
1510}
1511#endif
1512
1513static struct rioVersion stVersion; 413static struct rioVersion stVersion;
1514 414
1515struct rioVersion * 415struct rioVersion *
@@ -1523,27 +423,6 @@ RIOVersid(void)
1523 return &stVersion; 423 return &stVersion;
1524} 424}
1525 425
1526#if 0
1527int
1528RIOMapin(paddr, size, vaddr)
1529paddr_t paddr;
1530int size;
1531caddr_t * vaddr;
1532{
1533 *vaddr = (caddr_t)permap( (long)paddr, size);
1534 return ((int)*vaddr);
1535}
1536
1537void
1538RIOMapout(paddr, size, vaddr)
1539paddr_t paddr;
1540long size;
1541caddr_t vaddr;
1542{
1543}
1544#endif
1545
1546
1547void 426void
1548RIOHostReset(Type, DpRamP, Slot) 427RIOHostReset(Type, DpRamP, Slot)
1549uint Type; 428uint Type;
@@ -1570,31 +449,6 @@ uint Slot;
1570 WBYTE(DpRamP->DpResetTpu, 0xFF); 449 WBYTE(DpRamP->DpResetTpu, 0xFF);
1571 udelay(3); 450 udelay(3);
1572 break; 451 break;
1573#ifdef FUTURE_RELEASE
1574 case RIO_EISA:
1575 /*
1576 ** Bet this doesn't work!
1577 */
1578 OUTBZ( Slot, EISA_CONTROL_PORT,
1579 EISA_TP_RUN | EISA_TP_BUS_DISABLE |
1580 EISA_TP_SLOW_LINKS | EISA_TP_BOOT_FROM_RAM );
1581 OUTBZ( Slot, EISA_CONTROL_PORT,
1582 EISA_TP_RESET | EISA_TP_BUS_DISABLE |
1583 EISA_TP_SLOW_LINKS | EISA_TP_BOOT_FROM_RAM );
1584 suspend( 3 );
1585 OUTBZ( Slot, EISA_CONTROL_PORT,
1586 EISA_TP_RUN | EISA_TP_BUS_DISABLE |
1587 EISA_TP_SLOW_LINKS | EISA_TP_BOOT_FROM_RAM );
1588 break;
1589 case RIO_MCA:
1590 WBYTE(DpRamP->DpControl , McaTpBootFromRam | McaTpBusDisable );
1591 WBYTE(DpRamP->DpResetTpu , 0xFF );
1592 suspend( 3 );
1593 WBYTE(DpRamP->DpControl , McaTpBootFromRam | McaTpBusDisable );
1594 WBYTE(DpRamP->DpResetTpu , 0xFF );
1595 suspend( 3 );
1596 break;
1597#endif
1598 case RIO_PCI: 452 case RIO_PCI:
1599 rio_dprintk (RIO_DEBUG_INIT, " (RIO_PCI)\n"); 453 rio_dprintk (RIO_DEBUG_INIT, " (RIO_PCI)\n");
1600 DpRamP->DpControl = RIO_PCI_BOOT_FROM_RAM; 454 DpRamP->DpControl = RIO_PCI_BOOT_FROM_RAM;
@@ -1604,12 +458,6 @@ uint Slot;
1604 /* for (i=0; i<6000; i++); */ 458 /* for (i=0; i<6000; i++); */
1605 /* suspend( 3 ); */ 459 /* suspend( 3 ); */
1606 break; 460 break;
1607#ifdef FUTURE_RELEASE
1608 default:
1609 Rprintf(RIOMesgNoSupport,Type,DpRamP,Slot);
1610 return;
1611#endif
1612
1613 default: 461 default:
1614 rio_dprintk (RIO_DEBUG_INIT, " (UNKNOWN)\n"); 462 rio_dprintk (RIO_DEBUG_INIT, " (UNKNOWN)\n");
1615 break; 463 break;
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-19 16:01:55 -0500