diff options
Diffstat (limited to 'drivers/char/rio/rioinit.c')
| -rw-r--r-- | drivers/char/rio/rioinit.c | 1152 |
1 files changed, 0 insertions, 1152 deletions
diff --git a/drivers/char/rio/rioinit.c b/drivers/char/rio/rioinit.c index 898a126..0d44ef4 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"; 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 : @@ -367,667 +153,6 @@ int mode; 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 @@ -1262,200 +387,6 @@ int size; 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) @@ -1463,10 +394,6 @@ struct rio_info * p; 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) { @@ -1483,33 +410,6 @@ uint UnitId; #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 * @@ -1523,27 +423,6 @@ RIOVersid(void) 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; @@ -1570,31 +449,6 @@ uint Slot; 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; @@ -1604,12 +458,6 @@ uint Slot; /* 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; |
