int RIOPCIinit(struct rio_info *p, int Mode);
-#if 0
-static void RIOAllocateInterrupts(struct rio_info *);
-static int RIOReport(struct rio_info *);
-static void RIOStopInterrupts(struct rio_info *, int, int);
-#endif
-
static int RIOScrub(int, BYTE *, int);
-#if 0
-extern int rio_intr();
-
-/*
-** Init time code.
-*/
-void
-rioinit( p, info )
-struct rio_info * p;
-struct RioHostInfo * info;
-{
- /*
- ** Multi-Host card support - taking the easy way out - sorry !
- ** We allocate and set up the Host and Port structs when the
- ** driver is called to 'install' the first host.
- ** We check for this first 'call' by testing the RIOPortp pointer.
- */
- if ( !p->RIOPortp )
- {
- rio_dprintk (RIO_DEBUG_INIT, "Allocating and setting up driver data structures\n");
-
- RIOAllocDataStructs(p); /* allocate host/port structs */
- RIOSetupDataStructs(p); /* setup topology structs */
- }
-
- RIOInitHosts( p, info ); /* hunt down the hardware */
-
- RIOAllocateInterrupts(p); /* allocate interrupts */
- RIOReport(p); /* show what we found */
-}
-
-/*
-** Initialise the Cards
-*/
-void
-RIOInitHosts(p, info)
-struct rio_info * p;
-struct RioHostInfo * info;
-{
-/*
-** 15.10.1998 ARG - ESIL 0762 part fix
-** If there is no ISA card definition - we always look for PCI cards.
-** As we currently only support one host card this lets an ISA card
-** definition take precedence over PLUG and PLAY.
-** No ISA card - we are PLUG and PLAY with PCI.
-*/
-
- /*
- ** Note - for PCI both these will be zero, that's okay because
- ** RIOPCIInit() fills them in if a card is found.
- */
- p->RIOHosts[p->RIONumHosts].Ivec = info->vector;
- p->RIOHosts[p->RIONumHosts].PaddrP = info->location;
-
- /*
- ** Check that we are able to accommodate another host
- */
- if ( p->RIONumHosts >= RIO_HOSTS )
- {
- p->RIOFailed++;
- return;
- }
-
- if ( info->bus & ISA_BUS )
- {
- rio_dprintk (RIO_DEBUG_INIT, "initialising card %d (ISA)\n", p->RIONumHosts);
- RIOISAinit(p, p->mode);
- }
- else
- {
- rio_dprintk (RIO_DEBUG_INIT, "initialising card %d (PCI)\n", p->RIONumHosts);
- RIOPCIinit(p, RIO_PCI_DEFAULT_MODE);
- }
-
- rio_dprintk (RIO_DEBUG_INIT, "Total hosts initialised so far : %d\n", p->RIONumHosts);
-
-
-#ifdef FUTURE_RELEASE
- if (p->bus & EISA_BUS)
- /* EISA card */
- RIOEISAinit(p, RIO_EISA_DEFAULT_MODE);
-
- if (p->bus & MCA_BUS)
- /* MCA card */
- RIOMCAinit(p, RIO_MCA_DEFAULT_MODE);
-#endif
-}
-
-/*
-** go through memory for an AT host that we pass in the device info
-** structure and initialise
-*/
-void
-RIOISAinit(p, mode)
-struct rio_info * p;
-int mode;
-{
-
- /* XXX Need to implement this. */
-#if 0
- p->intr_tid = iointset(p->RIOHosts[p->RIONumHosts].Ivec,
- (int (*)())rio_intr, (char*)p->RIONumHosts);
-
- rio_dprintk (RIO_DEBUG_INIT, "Set interrupt handler, intr_tid = 0x%x\n", p->intr_tid );
-
- if (RIODoAT(p, p->RIOHosts[p->RIONumHosts].PaddrP, mode)) {
- return;
- }
- else {
- rio_dprintk (RIO_DEBUG_INIT, "RIODoAT failed\n");
- p->RIOFailed++;
- }
-#endif
-
-}
-
-/*
-** RIODoAT :
-**
-** Map in a boards physical address, check that the board is there,
-** test the board and if everything is okay assign the board an entry
-** in the Rio Hosts structure.
-*/
-int
-RIODoAT(p, Base, mode)
-struct rio_info * p;
-int Base;
-int mode;
-{
-#define FOUND 1
-#define NOT_FOUND 0
-
- caddr_t cardAddr;
-
- /*
- ** Check to see if we actually have a board at this physical address.
- */
- if ((cardAddr = RIOCheckForATCard(Base)) != 0) {
- /*
- ** Now test the board to see if it is working.
- */
- if (RIOBoardTest(Base, cardAddr, RIO_AT, 0) == RIO_SUCCESS) {
- /*
- ** Fill out a slot in the Rio host structure.
- */
- if (RIOAssignAT(p, Base, cardAddr, mode)) {
- return(FOUND);
- }
- }
- RIOMapout(Base, RIO_AT_MEM_SIZE, cardAddr);
- }
- return(NOT_FOUND);
-}
-
-caddr_t
-RIOCheckForATCard(Base)
-int Base;
-{
- int off;
- struct DpRam *cardp; /* (Points at the host) */
- caddr_t virtAddr;
- unsigned char RIOSigTab[24];
-/*
-** Table of values to search for as prom signature of a host card
-*/
- strcpy(RIOSigTab, "JBJGPGGHINSMJPJR");
-
- /*
- ** Hey! Yes, You reading this code! Yo, grab a load a this:
- **
- ** IF the card is using WORD MODE rather than BYTE MODE
- ** then it will occupy 128K of PHYSICAL memory area. So,
- ** you might think that the following Mapin is wrong. Well,
- ** it isn't, because the SECOND 64K of occupied space is an
- ** EXACT COPY of the FIRST 64K. (good?), so, we need only
- ** map it in in one 64K block.
- */
- if (RIOMapin(Base, RIO_AT_MEM_SIZE, &virtAddr) == -1) {
- rio_dprintk (RIO_DEBUG_INIT, "RIO-init: Couldn't map the board in!\n");
- return((caddr_t)0);
- }
-
- /*
- ** virtAddr points to the DP ram of the system.
- ** We now cast this to a pointer to a RIO Host,
- ** and have a rummage about in the PROM.
- */
- cardp = (struct DpRam *)virtAddr;
-
- for (off=0; RIOSigTab[off]; off++) {
- if ((RBYTE(cardp->DpSignature[off]) & 0xFF) != RIOSigTab[off]) {
- /*
- ** Signature mismatch - card not at this address
- */
- RIOMapout(Base, RIO_AT_MEM_SIZE, virtAddr);
- rio_dprintk (RIO_DEBUG_INIT, "RIO-init: Couldn't match the signature 0x%x 0x%x!\n",
- (int)cardp, off);
- return((caddr_t)0);
- }
- }
-
- /*
- ** If we get here then we must have found a valid board so return
- ** its virtual address.
- */
- return(virtAddr);
-}
-#endif
/**
** RIOAssignAT :
rio_dprintk (RIO_DEBUG_INIT, "RIO-init: Tests Passed at 0x%x\n", Base);
return(1);
}
-#if 0
-#ifdef FUTURE_RELEASE
-int RIOMCAinit(int Mode)
-{
- uchar SlotNumber;
- caddr_t Caddr;
- uint Paddr;
- uint Ivec;
- int Handle;
- int ret = 0;
-
- /*
- ** Valid mode information for MCA cards
- ** is only FAST LINKS
- */
- Mode = (Mode & FAST_LINKS) ? McaTpFastLinks : McaTpSlowLinks;
- rio_dprintk (RIO_DEBUG_INIT, "RIOMCAinit(%d)\n",Mode);
-
-
- /*
- ** Check out each of the slots
- */
- for (SlotNumber = 0; SlotNumber < McaMaxSlots; SlotNumber++) {
- /*
- ** Enable the slot we want to talk to
- */
- outb( McaSlotSelect, SlotNumber | McaSlotEnable );
-
- /*
- ** Read the ID word from the slot
- */
- if (((inb(McaIdHigh)<< 8)|inb(McaIdLow)) == McaRIOId)
- {
- rio_dprintk (RIO_DEBUG_INIT, "Potential MCA card in slot %d\n", SlotNumber);
-
- /*
- ** Card appears to be a RIO MCA card!
- */
- RIOMachineType |= (1<<RIO_MCA);
-
- /*
- ** Just check we haven't found too many wonderful objects
- */
- if ( RIONumHosts >= RIO_HOSTS )
- {
- Rprintf(RIOMesgTooManyCards);
- return(ret);
- }
-
- /*
- ** McaIrqEnable contains the interrupt vector, and a card
- ** enable bit.
- */
- Ivec = inb(McaIrqEnable);
-
- rio_dprintk (RIO_DEBUG_INIT, "Ivec is %x\n", Ivec);
-
- switch ( Ivec & McaIrqMask )
- {
- case McaIrq9:
- rio_dprintk (RIO_DEBUG_INIT, "IRQ9\n");
- break;
- case McaIrq3:
- rio_dprintk (RIO_DEBUG_INIT, "IRQ3\n");
- break;
- case McaIrq4:
- rio_dprintk (RIO_DEBUG_INIT, "IRQ4\n");
- break;
- case McaIrq7:
- rio_dprintk (RIO_DEBUG_INIT, "IRQ7\n");
- break;
- case McaIrq10:
- rio_dprintk (RIO_DEBUG_INIT, "IRQ10\n");
- break;
- case McaIrq11:
- rio_dprintk (RIO_DEBUG_INIT, "IRQ11\n");
- break;
- case McaIrq12:
- rio_dprintk (RIO_DEBUG_INIT, "IRQ12\n");
- break;
- case McaIrq15:
- rio_dprintk (RIO_DEBUG_INIT, "IRQ15\n");
- break;
- }
-
- /*
- ** If the card enable bit isn't set, then set it!
- */
- if ((Ivec & McaCardEnable) != McaCardEnable) {
- rio_dprintk (RIO_DEBUG_INIT, "McaCardEnable not set - setting!\n");
- outb(McaIrqEnable,Ivec|McaCardEnable);
- } else
- rio_dprintk (RIO_DEBUG_INIT, "McaCardEnable already set\n");
-
- /*
- ** Convert the IRQ enable mask into something useful
- */
- Ivec = RIOMcaToIvec[Ivec & McaIrqMask];
-
- /*
- ** Find the physical address
- */
- rio_dprintk (RIO_DEBUG_INIT, "inb(McaMemory) is %x\n", inb(McaMemory));
- Paddr = McaAddress(inb(McaMemory));
-
- rio_dprintk (RIO_DEBUG_INIT, "MCA card has Ivec %d Addr %x\n", Ivec, Paddr);
-
- if ( Paddr != 0 )
- {
-
- /*
- ** Tell the memory mapper that we want to talk to it
- */
- Handle = RIOMapin( Paddr, RIO_MCA_MEM_SIZE, &Caddr );
-
- if ( Handle == -1 ) {
- rio_dprintk (RIO_DEBUG_INIT, "Couldn't map %d bytes at %x\n", RIO_MCA_MEM_SIZE, Paddr;
- continue;
- }
-
- rio_dprintk (RIO_DEBUG_INIT, "Board mapped to vaddr 0x%x\n", Caddr);
-
- /*
- ** And check that it is actually there!
- */
- if ( RIOBoardTest( Paddr,Caddr,RIO_MCA,SlotNumber ) == RIO_SUCCESS )
- {
- rio_dprintk (RIO_DEBUG_INIT, "Board has passed test\n");
- rio_dprintk (RIO_DEBUG_INIT, "Slot %d. Type %d. Paddr 0x%x. Caddr 0x%x. Mode 0x%x.\n",
- SlotNumber, RIO_MCA, Paddr, Caddr, Mode);
-
- /*
- ** Board has passed its scrub test. Fill in all the
- ** transient stuff.
- */
- p->RIOHosts[RIONumHosts].Slot = SlotNumber;
- p->RIOHosts[RIONumHosts].Ivec = Ivec;
- p->RIOHosts[RIONumHosts].Type = RIO_MCA;
- p->RIOHosts[RIONumHosts].Copy = bcopy;
- p->RIOHosts[RIONumHosts].PaddrP = Paddr;
- p->RIOHosts[RIONumHosts].Caddr = Caddr;
- p->RIOHosts[RIONumHosts].CardP = (struct DpRam *)Caddr;
- p->RIOHosts[RIONumHosts].Mode = Mode;
- WBYTE(p->RIOHosts[p->RIONumHosts].ResetInt , 0xff);
- p->RIOHosts[RIONumHosts].UniqueNum =
- ((RBYTE(p->RIOHosts[RIONumHosts].Unique[0])&0xFF)<<0)|
- ((RBYTE(p->RIOHosts[RIONumHosts].Unique[1])&0xFF)<<8)|
- ((RBYTE(p->RIOHosts[RIONumHosts].Unique[2])&0xFF)<<16)|
- ((RBYTE(p->RIOHosts[RIONumHosts].Unique[3])&0xFF)<<24);
- RIONumHosts++;
- ret++;
- }
- else
- {
- /*
- ** It failed the test, so ignore it.
- */
- rio_dprintk (RIO_DEBUG_INIT, "TEST FAILED\n");
- RIOMapout(Paddr, RIO_MCA_MEM_SIZE, Caddr );
- }
- }
- else
- {
- rio_dprintk (RIO_DEBUG_INIT, "Slot %d - Paddr zero!\n", SlotNumber);
- }
- }
- else
- {
- rio_dprintk (RIO_DEBUG_INIT, "Slot %d NOT RIO\n", SlotNumber);
- }
- }
- /*
- ** Now we have checked all the slots, turn off the MCA slot selector
- */
- outb(McaSlotSelect,0);
- rio_dprintk (RIO_DEBUG_INIT, "Slot %d NOT RIO\n", SlotNumber);
- return ret;
-}
-
-int RIOEISAinit( int Mode )
-{
- static int EISADone = 0;
- uint Paddr;
- int PollIntMixMsgDone = 0;
- caddr_t Caddr;
- ushort Ident;
- uchar EisaSlot;
- uchar Ivec;
- int ret = 0;
-
- /*
- ** The only valid mode information for EISA hosts is fast or slow
- ** links.
- */
- Mode = (Mode & FAST_LINKS) ? EISA_TP_FAST_LINKS : EISA_TP_SLOW_LINKS;
-
- if ( EISADone )
- {
- rio_dprintk (RIO_DEBUG_INIT, "RIOEISAinit() - already done, return.\n");
- return(0);
- }
-
- EISADone++;
-
- rio_dprintk (RIO_DEBUG_INIT, "RIOEISAinit()\n");
-
-
- /*
- ** First check all cards to see if ANY are set for polled mode operation.
- ** If so, set ALL to polled.
- */
-
- for ( EisaSlot=1; EisaSlot<=RIO_MAX_EISA_SLOTS; EisaSlot++ )
- {
- Ident = (INBZ(EisaSlot,EISA_PRODUCT_IDENT_HI)<<8) |
- INBZ(EisaSlot,EISA_PRODUCT_IDENT_LO);
-
- if ( Ident == RIO_EISA_IDENT )
- {
- rio_dprintk (RIO_DEBUG_INIT, "Found Specialix product\n");
-
- if ( INBZ(EisaSlot,EISA_PRODUCT_NUMBER) != RIO_EISA_PRODUCT_CODE )
- {
- rio_dprintk (RIO_DEBUG_INIT, "Not Specialix RIO - Product number %x\n",
- INBZ(EisaSlot, EISA_PRODUCT_NUMBER));
- continue; /* next slot */
- }
- /*
- ** Its a Specialix RIO!
- */
- rio_dprintk (RIO_DEBUG_INIT, "RIO Revision %d\n",
- INBZ(EisaSlot, EISA_REVISION_NUMBER));
-
- RIOMachineType |= (1<<RIO_EISA);
-
- /*
- ** Just check we haven't found too many wonderful objects
- */
- if ( RIONumHosts >= RIO_HOSTS )
- {
- Rprintf(RIOMesgTooManyCards);
- return 0;
- }
-
- /*
- ** Ensure that the enable bit is set!
- */
- OUTBZ( EisaSlot, EISA_ENABLE, RIO_EISA_ENABLE_BIT );
-
- /*
- ** EISA_INTERRUPT_VEC contains the interrupt vector.
- */
- Ivec = INBZ(EisaSlot,EISA_INTERRUPT_VEC);
-
-#ifdef RIODEBUG
- switch ( Ivec & EISA_INTERRUPT_MASK )
- {
- case EISA_IRQ_3:
- rio_dprintk (RIO_DEBUG_INIT, "EISA IRQ 3\n");
- break;
- case EISA_IRQ_4:
- rio_dprintk (RIO_DEBUG_INIT, "EISA IRQ 4\n");
- break;
- case EISA_IRQ_5:
- rio_dprintk (RIO_DEBUG_INIT, "EISA IRQ 5\n");
- break;
- case EISA_IRQ_6:
- rio_dprintk (RIO_DEBUG_INIT, "EISA IRQ 6\n");
- break;
- case EISA_IRQ_7:
- rio_dprintk (RIO_DEBUG_INIT, "EISA IRQ 7\n");
- break;
- case EISA_IRQ_9:
- rio_dprintk (RIO_DEBUG_INIT, "EISA IRQ 9\n");
- break;
- case EISA_IRQ_10:
- rio_dprintk (RIO_DEBUG_INIT, "EISA IRQ 10\n");
- break;
- case EISA_IRQ_11:
- rio_dprintk (RIO_DEBUG_INIT, "EISA IRQ 11\n");
- break;
- case EISA_IRQ_12:
- rio_dprintk (RIO_DEBUG_INIT, "EISA IRQ 12\n");
- break;
- case EISA_IRQ_14:
- rio_dprintk (RIO_DEBUG_INIT, "EISA IRQ 14\n");
- break;
- case EISA_IRQ_15:
- rio_dprintk (RIO_DEBUG_INIT, "EISA IRQ 15\n");
- break;
- case EISA_POLLED:
- rio_dprintk (RIO_DEBUG_INIT, "EISA POLLED\n");
- break;
- default:
- rio_dprintk (RIO_DEBUG_INIT, NULL,DBG_INIT|DBG_FAIL,"Shagged interrupt number!\n");
- Ivec &= EISA_CONTROL_MASK;
- }
-#endif
-
- if ( (Ivec & EISA_INTERRUPT_MASK) ==
- EISA_POLLED )
- {
- RIOWillPoll = 1;
- break; /* From EisaSlot loop */
- }
- }
- }
-
- /*
- ** Do it all again now we know whether to change all cards to polled
- ** mode or not
- */
-
- for ( EisaSlot=1; EisaSlot<=RIO_MAX_EISA_SLOTS; EisaSlot++ )
- {
- Ident = (INBZ(EisaSlot,EISA_PRODUCT_IDENT_HI)<<8) |
- INBZ(EisaSlot,EISA_PRODUCT_IDENT_LO);
-
- if ( Ident == RIO_EISA_IDENT )
- {
- if ( INBZ(EisaSlot,EISA_PRODUCT_NUMBER) != RIO_EISA_PRODUCT_CODE )
- continue; /* next slot */
-
- /*
- ** Its a Specialix RIO!
- */
-
- /*
- ** Ensure that the enable bit is set!
- */
- OUTBZ( EisaSlot, EISA_ENABLE, RIO_EISA_ENABLE_BIT );
-
- /*
- ** EISA_INTERRUPT_VEC contains the interrupt vector.
- */
- Ivec = INBZ(EisaSlot,EISA_INTERRUPT_VEC);
-
- if ( RIOWillPoll )
- {
- /*
- ** If we are going to operate in polled mode, but this
- ** board is configured to be interrupt driven, display
- ** the message explaining the situation to the punter,
- ** assuming we haven't already done so.
- */
-
- if ( !PollIntMixMsgDone &&
- (Ivec & EISA_INTERRUPT_MASK) != EISA_POLLED )
- {
- Rprintf(RIOMesgAllPolled);
- PollIntMixMsgDone = 1;
- }
-
- /*
- ** Ungraciously ignore whatever the board reports as its
- ** interrupt vector...
- */
-
- Ivec &= ~EISA_INTERRUPT_MASK;
-
- /*
- ** ...and force it to dance to the poll tune.
- */
-
- Ivec |= EISA_POLLED;
- }
-
- /*
- ** Convert the IRQ enable mask into something useful (0-15)
- */
- Ivec = RIOEisaToIvec(Ivec);
-
- rio_dprintk (RIO_DEBUG_INIT, "EISA host in slot %d has Ivec 0x%x\n",
- EisaSlot, Ivec);
-
- /*
- ** Find the physical address
- */
- Paddr = (INBZ(EisaSlot,EISA_MEMORY_BASE_HI)<<24) |
- (INBZ(EisaSlot,EISA_MEMORY_BASE_LO)<<16);
-
- rio_dprintk (RIO_DEBUG_INIT, "EISA card has Ivec %d Addr %x\n", Ivec, Paddr);
-
- if ( Paddr == 0 )
- {
- rio_dprintk (RIO_DEBUG_INIT,
- "Board in slot %d configured for address zero!\n", EisaSlot);
- continue;
- }
-
- /*
- ** Tell the memory mapper that we want to talk to it
- */
- rio_dprintk (RIO_DEBUG_INIT, "About to map EISA card \n");
-
- if (RIOMapin( Paddr, RIO_EISA_MEM_SIZE, &Caddr) == -1) {
- rio_dprintk (RIO_DEBUG_INIT, "Couldn't map %d bytes at %x\n",
- RIO_EISA_MEM_SIZE,Paddr);
- continue;
- }
-
- rio_dprintk (RIO_DEBUG_INIT, "Board mapped to vaddr 0x%x\n", Caddr);
-
- /*
- ** And check that it is actually there!
- */
- if ( RIOBoardTest( Paddr,Caddr,RIO_EISA,EisaSlot) == RIO_SUCCESS )
- {
- rio_dprintk (RIO_DEBUG_INIT, "Board has passed test\n");
- rio_dprintk (RIO_DEBUG_INIT,
- "Slot %d. Ivec %d. Type %d. Paddr 0x%x. Caddr 0x%x. Mode 0x%x.\n",
- EisaSlot,Ivec,RIO_EISA,Paddr,Caddr,Mode);
-
- /*
- ** Board has passed its scrub test. Fill in all the
- ** transient stuff.
- */
- p->RIOHosts[RIONumHosts].Slot = EisaSlot;
- p->RIOHosts[RIONumHosts].Ivec = Ivec;
- p->RIOHosts[RIONumHosts].Type = RIO_EISA;
- p->RIOHosts[RIONumHosts].Copy = bcopy;
- p->RIOHosts[RIONumHosts].PaddrP = Paddr;
- p->RIOHosts[RIONumHosts].Caddr = Caddr;
- p->RIOHosts[RIONumHosts].CardP = (struct DpRam *)Caddr;
- p->RIOHosts[RIONumHosts].Mode = Mode;
- /*
- ** because the EISA prom is mapped into IO space, we
- ** need to copy the unqiue number into the memory area
- ** that it would have occupied, so that the download
- ** code can determine its ID and card type.
- */
- WBYTE(p->RIOHosts[RIONumHosts].Unique[0],INBZ(EisaSlot,EISA_UNIQUE_NUM_0));
- WBYTE(p->RIOHosts[RIONumHosts].Unique[1],INBZ(EisaSlot,EISA_UNIQUE_NUM_1));
- WBYTE(p->RIOHosts[RIONumHosts].Unique[2],INBZ(EisaSlot,EISA_UNIQUE_NUM_2));
- WBYTE(p->RIOHosts[RIONumHosts].Unique[3],INBZ(EisaSlot,EISA_UNIQUE_NUM_3));
- p->RIOHosts[RIONumHosts].UniqueNum =
- ((RBYTE(p->RIOHosts[RIONumHosts].Unique[0])&0xFF)<<0)|
- ((RBYTE(p->RIOHosts[RIONumHosts].Unique[1])&0xFF)<<8)|
- ((RBYTE(p->RIOHosts[RIONumHosts].Unique[2])&0xFF)<<16)|
- ((RBYTE(p->RIOHosts[RIONumHosts].Unique[3])&0xFF)<<24);
- INBZ(EisaSlot,EISA_INTERRUPT_RESET);
- RIONumHosts++;
- ret++;
- }
- else
- {
- /*
- ** It failed the test, so ignore it.
- */
- rio_dprintk (RIO_DEBUG_INIT, "TEST FAILED\n");
-
- RIOMapout(Paddr, RIO_EISA_MEM_SIZE, Caddr );
- }
- }
- }
- if (RIOMachineType & RIO_EISA)
- return ret+1;
- return ret;
-}
-#endif
-
-
-#ifndef linux
-
-#define CONFIG_ADDRESS 0xcf8
-#define CONFIG_DATA 0xcfc
-#define FORWARD_REG 0xcfa
-
-
-static int
-read_config(int bus_number, int device_num, int r_number)
-{
- unsigned int cav;
- unsigned int val;
-
-/*
- Build config_address_value:
-
- 31 24 23 16 15 11 10 8 7 0
- ------------------------------------------------------
- |1| 0000000 | bus_number | device # | 000 | register |
- ------------------------------------------------------
-*/
-
- cav = r_number & 0xff;
- cav |= ((device_num & 0x1f) << 11);
- cav |= ((bus_number & 0xff) << 16);
- cav |= 0x80000000; /* Enable bit */
- outpd(CONFIG_ADDRESS,cav);
- val = inpd(CONFIG_DATA);
- outpd(CONFIG_ADDRESS,0);
- return val;
-}
-
-static
-write_config(bus_number,device_num,r_number,val)
-{
- unsigned int cav;
-
-/*
- Build config_address_value:
-
- 31 24 23 16 15 11 10 8 7 0
- ------------------------------------------------------
- |1| 0000000 | bus_number | device # | 000 | register |
- ------------------------------------------------------
-*/
-
- cav = r_number & 0xff;
- cav |= ((device_num & 0x1f) << 11);
- cav |= ((bus_number & 0xff) << 16);
- cav |= 0x80000000; /* Enable bit */
- outpd(CONFIG_ADDRESS, cav);
- outpd(CONFIG_DATA, val);
- outpd(CONFIG_ADDRESS, 0);
- return val;
-}
-#else
-/* XXX Implement these... */
-static int
-read_config(int bus_number, int device_num, int r_number)
-{
- return 0;
-}
-
-static int
-write_config(int bus_number, int device_num, int r_number)
-{
- return 0;
-}
-
-#endif
-
-int
-RIOPCIinit(p, Mode)
-struct rio_info *p;
-int Mode;
-{
- #define MAX_PCI_SLOT 32
- #define RIO_PCI_JET_CARD 0x200011CB
-
- static int slot; /* count of machine's PCI slots searched so far */
- caddr_t Caddr; /* Virtual address of the current PCI host card. */
- unsigned char Ivec; /* interrupt vector for the current PCI host */
- unsigned long Paddr; /* Physical address for the current PCI host */
- int Handle; /* Handle to Virtual memory allocated for current PCI host */
-
-
- rio_dprintk (RIO_DEBUG_INIT, "Search for a RIO PCI card - start at slot %d\n", slot);
-
- /*
- ** Initialise the search status
- */
- p->RIOLastPCISearch = RIO_FAIL;
-
- while ( (slot < MAX_PCI_SLOT) & (p->RIOLastPCISearch != RIO_SUCCESS) )
- {
- rio_dprintk (RIO_DEBUG_INIT, "Currently testing slot %d\n", slot);
-
- if (read_config(0,slot,0) == RIO_PCI_JET_CARD) {
- p->RIOHosts[p->RIONumHosts].Ivec = 0;
- Paddr = read_config(0,slot,0x18);
- Paddr = Paddr - (Paddr & 0x1); /* Mask off the io bit */
-
- if ( (Paddr == 0) || ((Paddr & 0xffff0000) == 0xffff0000) ) {
- rio_dprintk (RIO_DEBUG_INIT, "Goofed up slot\n"); /* what! */
- slot++;
- continue;
- }
-
- p->RIOHosts[p->RIONumHosts].PaddrP = Paddr;
- Ivec = (read_config(0,slot,0x3c) & 0xff);
-
- rio_dprintk (RIO_DEBUG_INIT, "PCI Host at 0x%x, Intr %d\n", (int)Paddr, Ivec);
-
- Handle = RIOMapin( Paddr, RIO_PCI_MEM_SIZE, &Caddr );
- if (Handle == -1) {
- rio_dprintk (RIO_DEBUG_INIT, "Couldn't map %d bytes at 0x%x\n", RIO_PCI_MEM_SIZE, (int)Paddr);
- slot++;
- continue;
- }
- p->RIOHosts[p->RIONumHosts].Ivec = Ivec + 32;
- p->intr_tid = iointset(p->RIOHosts[p->RIONumHosts].Ivec,
- (int (*)())rio_intr, (char *)p->RIONumHosts);
- if (RIOBoardTest( Paddr, Caddr, RIO_PCI, 0 ) == RIO_SUCCESS) {
- rio_dprintk (RIO_DEBUG_INIT, ("Board has passed test\n");
- rio_dprintk (RIO_DEBUG_INIT, ("Paddr 0x%x. Caddr 0x%x. Mode 0x%x.\n", Paddr, Caddr, Mode);
-
- /*
- ** Board has passed its scrub test. Fill in all the
- ** transient stuff.
- */
- p->RIOHosts[p->RIONumHosts].Slot = 0;
- p->RIOHosts[p->RIONumHosts].Ivec = Ivec + 32;
- p->RIOHosts[p->RIONumHosts].Type = RIO_PCI;
- p->RIOHosts[p->RIONumHosts].Copy = rio_pcicopy;
- p->RIOHosts[p->RIONumHosts].PaddrP = Paddr;
- p->RIOHosts[p->RIONumHosts].Caddr = Caddr;
- p->RIOHosts[p->RIONumHosts].CardP = (struct DpRam *)Caddr;
- p->RIOHosts[p->RIONumHosts].Mode = Mode;
-
-#if 0
- WBYTE(p->RIOHosts[p->RIONumHosts].Control,
- BOOT_FROM_RAM | EXTERNAL_BUS_OFF |
- p->RIOHosts[p->RIONumHosts].Mode |
- INTERRUPT_DISABLE );
- WBYTE(p->RIOHosts[p->RIONumHosts].ResetInt,0xff);
- WBYTE(p->RIOHosts[p->RIONumHosts].Control,
- BOOT_FROM_RAM | EXTERNAL_BUS_OFF |
- p->RIOHosts[p->RIONumHosts].Mode |
- INTERRUPT_DISABLE );
- WBYTE(p->RIOHosts[p->RIONumHosts].ResetInt,0xff);
-#else
- WBYTE(p->RIOHosts[p->RIONumHosts].ResetInt, 0xff);
-#endif
- p->RIOHosts[p->RIONumHosts].UniqueNum =
- ((RBYTE(p->RIOHosts[p->RIONumHosts].Unique[0])&0xFF)<<0)|
- ((RBYTE(p->RIOHosts[p->RIONumHosts].Unique[1])&0xFF)<<8)|
- ((RBYTE(p->RIOHosts[p->RIONumHosts].Unique[2])&0xFF)<<16)|
- ((RBYTE(p->RIOHosts[p->RIONumHosts].Unique[3])&0xFF)<<24);
-
- rio_dprintk (RIO_DEBUG_INIT, "Unique no 0x%x.\n",
- p->RIOHosts[p->RIONumHosts].UniqueNum);
-
- p->RIOLastPCISearch = RIO_SUCCESS;
- p->RIONumHosts++;
- }
- }
- slot++;
- }
-
- if ( slot >= MAX_PCI_SLOT ) {
- rio_dprintk (RIO_DEBUG_INIT, "All %d PCI slots have tested for RIO cards !!!\n",
- MAX_PCI_SLOT);
- }
-
-
- /*
- ** I don't think we want to do this anymore
- **
-
- if (!p->RIOLastPCISearch == RIO_FAIL ) {
- p->RIOFailed++;
- }
-
- **
- */
-}
-
-#ifdef FUTURE_RELEASE
-void riohalt( void )
-{
- int host;
- for ( host=0; host<p->RIONumHosts; host++ )
- {
- rio_dprintk (RIO_DEBUG_INIT, "Stop host %d\n", host);
- (void)RIOBoardTest( p->RIOHosts[host].PaddrP, p->RIOHosts[host].Caddr, p->RIOHosts[host].Type,p->RIOHosts[host].Slot );
- }
-}
-#endif
-#endif
static uchar val[] = {
#ifdef VERY_LONG_TEST
return RIO_SUCCESS;
}
-/*
-** try to ensure that every host is either in polled mode
-** or is in interrupt mode. Only allow interrupt mode if
-** all hosts can interrupt (why?)
-** and force into polled mode if told to. Patch up the
-** interrupt vector & salute The Queen when you've done.
-*/
-#if 0
-static void
-RIOAllocateInterrupts(p)
-struct rio_info * p;
-{
- int Host;
-
- /*
- ** Easy case - if we have been told to poll, then we poll.
- */
- if (p->mode & POLLED_MODE) {
- RIOStopInterrupts(p, 0, 0);
- return;
- }
-
- /*
- ** check - if any host has been set to polled mode, then all must be.
- */
- for (Host=0; Host<p->RIONumHosts; Host++) {
- if ( (p->RIOHosts[Host].Type != RIO_AT) &&
- (p->RIOHosts[Host].Ivec == POLLED) ) {
- RIOStopInterrupts(p, 1, Host );
- return;
- }
- }
- for (Host=0; Host<p->RIONumHosts; Host++) {
- if (p->RIOHosts[Host].Type == RIO_AT) {
- if ( (p->RIOHosts[Host].Ivec - 32) == 0) {
- RIOStopInterrupts(p, 2, Host );
- return;
- }
- }
- }
-}
-
-/*
-** something has decided that we can't be doing with these
-** new-fangled interrupt thingies. Set everything up to just
-** poll.
-*/
-static void
-RIOStopInterrupts(p, Reason, Host)
-struct rio_info * p;
-int Reason;
-int Host;
-{
-#ifdef FUTURE_RELEASE
- switch (Reason) {
- case 0: /* forced into polling by rio_polled */
- break;
- case 1: /* SCU has set 'Host' into polled mode */
- break;
- case 2: /* there aren't enough interrupt vectors for 'Host' */
- break;
- }
-#endif
-
- for (Host=0; Host<p->RIONumHosts; Host++ ) {
- struct Host *HostP = &p->RIOHosts[Host];
-
- switch (HostP->Type) {
- case RIO_AT:
- /*
- ** The AT host has it's interrupts disabled by clearing the
- ** int_enable bit.
- */
- HostP->Mode &= ~INTERRUPT_ENABLE;
- HostP->Ivec = POLLED;
- break;
-#ifdef FUTURE_RELEASE
- case RIO_EISA:
- /*
- ** The EISA host has it's interrupts disabled by setting the
- ** Ivec to zero
- */
- HostP->Ivec = POLLED;
- break;
-#endif
- case RIO_PCI:
- /*
- ** The PCI host has it's interrupts disabled by clearing the
- ** int_enable bit, like a regular host card.
- */
- HostP->Mode &= ~RIO_PCI_INT_ENABLE;
- HostP->Ivec = POLLED;
- break;
-#ifdef FUTURE_RELEASE
- case RIO_MCA:
- /*
- ** There's always one, isn't there?
- ** The MCA host card cannot have it's interrupts disabled.
- */
- RIOPatchVec(HostP);
- break;
-#endif
- }
- }
-}
-
-/*
-** This function is called at init time to setup the data structures.
-*/
-void
-RIOAllocDataStructs(p)
-struct rio_info * p;
-{
- int port,
- host,
- tm;
-
- p->RIOPortp = (struct Port *)sysbrk(RIO_PORTS * sizeof(struct Port));
- if (!p->RIOPortp) {
- rio_dprintk (RIO_DEBUG_INIT, "RIO-init: No memory for port structures\n");
- p->RIOFailed++;
- return;
- }
- bzero( p->RIOPortp, sizeof(struct Port) * RIO_PORTS );
- rio_dprintk (RIO_DEBUG_INIT, "RIO-init: allocated and cleared memory for port structs\n");
- rio_dprintk (RIO_DEBUG_INIT, "First RIO port struct @0x%x, size=0x%x bytes\n",
- (int)p->RIOPortp, sizeof(struct Port));
-
- for( port=0; port<RIO_PORTS; port++ ) {
- p->RIOPortp[port].PortNum = port;
- p->RIOPortp[port].TtyP = &p->channel[port];
- sreset (p->RIOPortp[port].InUse); /* Let the first guy uses it */
- p->RIOPortp[port].portSem = -1; /* Let the first guy takes it */
- p->RIOPortp[port].ParamSem = -1; /* Let the first guy takes it */
- p->RIOPortp[port].timeout_id = 0; /* Let the first guy takes it */
- }
-
- p->RIOHosts = (struct Host *)sysbrk(RIO_HOSTS * sizeof(struct Host));
- if (!p->RIOHosts) {
- rio_dprintk (RIO_DEBUG_INIT, "RIO-init: No memory for host structures\n");
- p->RIOFailed++;
- return;
- }
- bzero(p->RIOHosts, sizeof(struct Host)*RIO_HOSTS);
- rio_dprintk (RIO_DEBUG_INIT, "RIO-init: allocated and cleared memory for host structs\n");
- rio_dprintk (RIO_DEBUG_INIT, "First RIO host struct @0x%x, size=0x%x bytes\n",
- (int)p->RIOHosts, sizeof(struct Host));
-
- for( host=0; host<RIO_HOSTS; host++ ) {
- spin_lock_init (&p->RIOHosts[host].HostLock);
- p->RIOHosts[host].timeout_id = 0; /* Let the first guy takes it */
- }
- /*
- ** check that the buffer size is valid, round down to the next power of
- ** two if necessary; if the result is zero, then, hey, no double buffers.
- */
- for ( tm = 1; tm && tm <= p->RIOConf.BufferSize; tm <<= 1 )
- ;
- tm >>= 1;
- p->RIOBufferSize = tm;
- p->RIOBufferMask = tm ? tm - 1 : 0;
-}
-
-/*
-** this function gets called whenever the data structures need to be
-** re-setup, for example, after a riohalt (why did I ever invent it?)
-*/
-void
-RIOSetupDataStructs(p)
-struct rio_info * p;
-{
- int host, entry, rup;
-
- for ( host=0; host<RIO_HOSTS; host++ ) {
- struct Host *HostP = &p->RIOHosts[host];
- for ( entry=0; entry<LINKS_PER_UNIT; entry++ ) {
- HostP->Topology[entry].Unit = ROUTE_DISCONNECT;
- HostP->Topology[entry].Link = NO_LINK;
- }
- bcopy("HOST X", HostP->Name, 7);
- HostP->Name[5] = '1'+host;
- for (rup=0; rup<(MAX_RUP + LINKS_PER_UNIT); rup++) {
- if (rup < MAX_RUP) {
- for (entry=0; entry<LINKS_PER_UNIT; entry++ ) {
- HostP->Mapping[rup].Topology[entry].Unit = ROUTE_DISCONNECT;
- HostP->Mapping[rup].Topology[entry].Link = NO_LINK;
- }
- RIODefaultName(p, HostP, rup);
- }
- spin_lock_init(&HostP->UnixRups[rup].RupLock);
- }
- }
-}
-#endif
int
RIODefaultName(p, HostP, UnitId)
struct Host * HostP;
uint UnitId;
{
-#ifdef CHECK
- CheckHost( Host );
- CheckUnitId( UnitId );
-#endif
bcopy("UNKNOWN RTA X-XX",HostP->Mapping[UnitId].Name,17);
HostP->Mapping[UnitId].Name[12]='1'+(HostP-p->RIOHosts);
if ((UnitId+1) > 9) {
#define RIO_RELEASE "Linux"
#define RELEASE_ID "1.0"
-#if 0
-static int
-RIOReport(p)
-struct rio_info * p;
-{
- char * RIORelease = RIO_RELEASE;
- char * RIORelID = RELEASE_ID;
- int host;
-
- rio_dprintk (RIO_DEBUG_INIT, "RIO : Release: %s ID: %s\n", RIORelease, RIORelID);
-
- if ( p->RIONumHosts==0 ) {
- rio_dprintk (RIO_DEBUG_INIT, "\nNo Hosts configured\n");
- return(0);
- }
-
- for ( host=0; host < p->RIONumHosts; host++ ) {
- struct Host *HostP = &p->RIOHosts[host];
- switch ( HostP->Type ) {
- case RIO_AT:
- rio_dprintk (RIO_DEBUG_INIT, "AT BUS : found the card at 0x%x\n", HostP->PaddrP);
- }
- }
- return 0;
-}
-#endif
-
static struct rioVersion stVersion;
struct rioVersion *
return &stVersion;
}
-#if 0
-int
-RIOMapin(paddr, size, vaddr)
-paddr_t paddr;
-int size;
-caddr_t * vaddr;
-{
- *vaddr = (caddr_t)permap( (long)paddr, size);
- return ((int)*vaddr);
-}
-
-void
-RIOMapout(paddr, size, vaddr)
-paddr_t paddr;
-long size;
-caddr_t vaddr;
-{
-}
-#endif
-
-
void
RIOHostReset(Type, DpRamP, Slot)
uint Type;
WBYTE(DpRamP->DpResetTpu, 0xFF);
udelay(3);
break;
-#ifdef FUTURE_RELEASE
- case RIO_EISA:
- /*
- ** Bet this doesn't work!
- */
- OUTBZ( Slot, EISA_CONTROL_PORT,
- EISA_TP_RUN | EISA_TP_BUS_DISABLE |
- EISA_TP_SLOW_LINKS | EISA_TP_BOOT_FROM_RAM );
- OUTBZ( Slot, EISA_CONTROL_PORT,
- EISA_TP_RESET | EISA_TP_BUS_DISABLE |
- EISA_TP_SLOW_LINKS | EISA_TP_BOOT_FROM_RAM );
- suspend( 3 );
- OUTBZ( Slot, EISA_CONTROL_PORT,
- EISA_TP_RUN | EISA_TP_BUS_DISABLE |
- EISA_TP_SLOW_LINKS | EISA_TP_BOOT_FROM_RAM );
- break;
- case RIO_MCA:
- WBYTE(DpRamP->DpControl , McaTpBootFromRam | McaTpBusDisable );
- WBYTE(DpRamP->DpResetTpu , 0xFF );
- suspend( 3 );
- WBYTE(DpRamP->DpControl , McaTpBootFromRam | McaTpBusDisable );
- WBYTE(DpRamP->DpResetTpu , 0xFF );
- suspend( 3 );
- break;
-#endif
case RIO_PCI:
rio_dprintk (RIO_DEBUG_INIT, " (RIO_PCI)\n");
DpRamP->DpControl = RIO_PCI_BOOT_FROM_RAM;
/* for (i=0; i<6000; i++); */
/* suspend( 3 ); */
break;
-#ifdef FUTURE_RELEASE
- default:
- Rprintf(RIOMesgNoSupport,Type,DpRamP,Slot);
- return;
-#endif
-
default:
rio_dprintk (RIO_DEBUG_INIT, " (UNKNOWN)\n");
break;
projects / kernel / kernel-generic.git / commitdiff