?? sysend.c
字號:
if (pReso->boardType == PRO100B) /* only setup once */ { } else { /* read the configuration in EEPROM */ for (ix = 0; ix < EE_SIZE; ix++) { value = sys557eepromRead (unit, ix); pReso->eeprom[ix] = value; sum += value; } if (sum != EE_CHECKSUM) printf ("fei%d: Invalid EEPROM checksum %#4.4x\n", unit, sum); /* DP83840 specific setup */ if (((pReso->eeprom[6]>>8) & 0x3f) == DP83840) { int reg23 = sys557mdioRead (unit, pReso->eeprom[6] & 0x1f, 23); sys557mdioWrite (unit, pReso->eeprom[6] & 0x1f, 23, reg23 | 0x0420); } /* perform a system self-test. */ pReso->timeout = 16000; /* Timeout for self-test. */ /* * We require either a cache-line sized buffer in order to be * able to flush the cache, or use a buffer that is marked as * non-cacheable. If the driver is configured to use a defined * area of memory, we assume that it will be marked as * non-cacheable. We will use that (temporarily). */#ifdef INTEGRATOR_ENET_FIXED_BUF_ADRS pReso->pResults = (volatile INT32 *)sysEnetBufAdrs [unit];#else /* * No specific area specified, so we assume that cacheDmaMalloc() will * return a pointer to a suitable area. If the data cache is on, * this will be page-aligned, but if the data cache is off, then we * will just get whatever malloc returns. */ if (testbuf = cacheDmaMalloc (32), testbuf == 0) { printf("fei%d cacheDmaMalloc failed\n", unit); return ERROR; } pReso->pResults = (volatile INT32 *)testbuf;#ifdef INTEGRATOR_ENET_CHECK_BUFFERS if (((UINT32)pReso->pResults) < INTEGRATOR_HDR_SSRAM_SIZE) { printf("fei%d: cacheDmaMalloc() returned address in \ header card SSRAM\n", unit); return ERROR; }#endif /* INTEGRATOR_ENET_CHECK_BUFFERS */#endif /* INTEGRATOR_ENET_FIXED_BUF_ADRS */ /* The chip requires the results buffer to be 16-byte aligned. */ pReso->pResults = (volatile INT32 *) ((((int) pReso->pResults) + 0xf) & ~0xf); /* initialise results buffer */ pReso->pResults[0] = 0; pReso->pResults[1] = -1; /* Issue the self-test command */#ifdef INTEGRATOR_ENET_FIXED_BUF_ADRS /* If fixed address specified, no address conversion will be required */ sysOutLong (pReso->iobaseCsr + SCB_PORT, (int)pReso->pResults | 1);#else /* INTEGRATOR_ENET_FIXED_BUF_ADRS */ /* * If using cacheDmaMalloc() it will return a "low-alias" address in * SDRAM, and this will need converting to a "high-alias" * address, so it can be accessed from the PCI bus. */ sysOutLong (pReso->iobaseCsr + SCB_PORT, sys557CpuToPci(unit, (int)pReso->pResults) | 1);#endif /* INTEGRATOR_ENET_FIXED_BUF_ADRS */ /* wait for results */ do { sysDelay(); /* cause a delay of at least an I/O cycle */ } while ((pReso->pResults[1] == -1) && (--pReso->timeout >= 0)); pReso->boardType = PRO100B; /* note that it is now initialised */ /* Save results so we can refer to them again later */ pReso->str[0] = pReso->pResults[0]; pReso->str[1] = pReso->pResults[1];#ifndef INTEGRATOR_ENET_FIXED_BUF_ADRS cacheDmaFree (testbuf);#endif pReso->pResults = pReso->str; } /* initialise the board information structure */ pBoard->vector = IVEC_TO_INUM(pReso->irq); pBoard->baseAddr = pReso->iobaseCsr; for (ix = 0, iy = 0; ix < 3; ix++) { pBoard->enetAddr[iy++] = pReso->eeprom[ix] & 0xff; pBoard->enetAddr[iy++] = (pReso->eeprom[ix] >> 8) & 0xff; } pBoard->intEnable = sys557IntEnable; pBoard->intDisable = sys557IntDisable; pBoard->intAck = sys557IntAck; /* install address conversion routines for driver, if appropriate */#ifndef INTEGRATOR_ENET_FIXED_BUF_ADRS pBoard->sysLocalToBus = sys557CpuToPci; pBoard->sysBusToLocal = sys557PciToCpu;#else pBoard->sysLocalToBus = NULL; pBoard->sysBusToLocal = NULL;#endif#ifdef FEI_10MB pBoard->phySpeed = NULL; pBoard->phyDpx = NULL;#endif return (OK); }/********************************************************************************* sys557IntAck - acknowledge an 82557 interrupt** This routine performs any 82557 interrupt acknowledge that may be* required. This typically involves an operation to some interrupt* control hardware.** This routine gets called from the 82557 driver's interrupt handler.** This routine assumes that the PCI configuration information has already* been setup.** RETURNS: OK, or ERROR if the interrupt could not be acknowledged.*/LOCAL STATUS sys557IntAck ( int unit /* unit number */ ) { FEI_RESOURCE * pReso = &feiResources [unit]; switch (pReso->boardType) { case PRO100B: /* handle PRO100B LAN Adapter */ /* no addition work necessary for the PRO100B */ break; default: return (ERROR); } return (OK); }/********************************************************************************* sys557IntEnable - enable 82557 interrupts** This routine enables 82557 interrupts. This may involve operations on* interrupt control hardware.** The 82557 driver calls this routine throughout normal operation to terminate* critical sections of code.** This routine assumes that the PCI configuration information has already* been setup.** RETURNS: OK, or ERROR if interrupts could not be enabled.*/LOCAL STATUS sys557IntEnable ( int unit /* unit number */ ) { FEI_RESOURCE * pReso = &feiResources [unit]; switch (pReso->boardType) { case PRO100B: /* handle PRO100B LAN Adapter */ intEnable (pReso->irq); break; default: return (ERROR); } return (OK); }/********************************************************************************* sys557IntDisable - disable 82557 interrupts** This routine disables 82557 interrupts. This may involve operations on* interrupt control hardware.** The 82557 driver calls this routine throughout normal operation to enter* critical sections of code.** This routine assumes that the PCI configuration information has already* been setup.** RETURNS: OK, or ERROR if interrupts could not be disabled.*/LOCAL STATUS sys557IntDisable ( int unit /* unit number */ ) { FEI_RESOURCE * pReso = &feiResources [unit]; switch (pReso->boardType) { case PRO100B: /* handle PRO100B LAN Adapter */ intDisable (pReso->irq); break; default: return (ERROR); } return (OK); }/********************************************************************************* sys557eepromRead - read a word from the 82557 EEPROM** RETURNS: the EEPROM data word read in.*/LOCAL UINT16 sys557eepromRead ( int unit, /* unit number */ int location /* address of word to be read */ ) { UINT32 iobase = feiResources[unit].iobaseCsr; UINT16 retval = 0; UINT16 dataval; volatile UINT16 dummy; int ix; sysOutWord (iobase + SCB_EEPROM, EE_CS); /* enable EEPROM */ /* write the READ opcode */ for (ix = EE_CMD_BITS - 1; ix >= 0; ix--) { dataval = (EE_CMD_READ & (1 << ix)) ? EE_DI : 0; sysOutWord (iobase + SCB_EEPROM, EE_CS | dataval); sysDelay (); /* delay for one I/O READ cycle */ sysOutWord (iobase + SCB_EEPROM, EE_CS | dataval | EE_SK); sysDelay (); /* delay for one I/O READ cycle */ sysOutWord (iobase + SCB_EEPROM, EE_CS | dataval); sysDelay (); /* delay for one I/O READ cycle */ } /* write the location */ for (ix = EE_ADDR_BITS - 1; ix >= 0; ix--) { dataval = (location & (1 << ix)) ? EE_DI : 0; sysOutWord (iobase + SCB_EEPROM, EE_CS | dataval); sysDelay (); /* delay for one I/O READ cycle */ sysOutWord (iobase + SCB_EEPROM, EE_CS | dataval | EE_SK); sysDelay (); /* delay for one I/O READ cycle */ sysOutWord (iobase + SCB_EEPROM, EE_CS | dataval); sysDelay (); /* delay for one I/O READ cycle */ dummy = sysInWord (iobase + SCB_EEPROM); } if ((dummy & EE_DO) == 0) /* dummy read */ ; /* read the data */ for (ix = EE_DATA_BITS - 1; ix >= 0; ix--) { sysOutWord (iobase + SCB_EEPROM, EE_CS | EE_SK); sysDelay (); /* delay for one I/O READ cycle */ retval = (retval << 1) | ((sysInWord (iobase + SCB_EEPROM) & EE_DO) ? 1 : 0); sysOutWord (iobase + SCB_EEPROM, EE_CS); sysDelay (); /* delay for one I/O READ cycle */ } sysOutWord (iobase + SCB_EEPROM, 0x00); /* disable EEPROM */ return (retval); }/********************************************************************************* sys557mdioRead - read MDIO** RETURNS: read value*/LOCAL UINT32 sys557mdioRead ( int unit, /* unit number */ int phyId, /* PHY ID */ int location /* location to read */ ) { UINT32 iobase = feiResources[unit].iobaseCsr; int timeout = 64*4; /* <64 usec. to complete, typ 27 ticks */ int val; sysOutLong (iobase + SCB_MDI, 0x08000000 | (location<<16) | (phyId<<21)); do { sysDelay (); /* delay for one I/O READ cycle */ val = sysInLong (iobase + SCB_MDI); if (--timeout < 0) printf ("sys557mdioRead() timed out with val = %8.8x.\n", val); } while (! (val & 0x10000000)); return (val & 0xffff); }/********************************************************************************* sys557mdioWrite - write MDIO** RETURNS: write value*/LOCAL UINT32 sys557mdioWrite ( int unit, /* unit number */ int phyId, /* PHY ID */ int location, /* location to write */ int value /* value to write */ ) { UINT32 iobase = feiResources[unit].iobaseCsr; int timeout = 64*4; /* <64 usec. to complete, typ 27 ticks */ int val; sysOutLong (iobase + SCB_MDI, 0x04000000 | (location<<16) | (phyId<<21) | value); do { sysDelay (); /* delay for one I/O READ cycle */ val = sysInLong (iobase + SCB_MDI); if (--timeout < 0) printf ("sys557mdioWrite() timed out with val = %8.8x.\n", val); } while (! (val & 0x10000000)); return (val & 0xffff); }/********************************************************************************* sys557Show - shows 82557 configuration** This routine shows the (Intel Pro Express 100) configuration** RETURNS: N/A*/void sys557Show ( int unit /* unit number */ ) { FEI_RESOURCE * pReso = &feiResources [unit]; UINT32 iobase = pReso->iobaseCsr; UCHAR etheraddr[6]; int ix; int iy; if (unit > INTEGRATOR_MAX_END_DEVS) { printf ("Illegal unit number %d\n", unit); return; } if (pReso->boardType != PRO100B) { printf ("Unit %d not an FEI device\n", unit); return; } for (ix = 0, iy = 0; ix < 3; ix++) { etheraddr[iy++] = pReso->eeprom[ix]; etheraddr[iy++] = pReso->eeprom[ix] >> 8; } printf ("fei%d: Intel EtherExpress Pro 10/100 at %#8x ", unit, iobase); for (ix = 0; ix < 5; ix++) printf ("%2.2X:", etheraddr[ix]); printf ("%2.2X\n", etheraddr[ix]); printf ("CSR mem base address = %x, Flash mem base address = %x\n", pReso->membaseCsr, pReso->membaseFlash); if (pReso->eeprom[3] & 0x03) printf ("Receiver lock-up bug exists -- enabling work-around.\n"); printf ("Board assembly %4.4x%2.2x-%3.3d, Physical connectors present:", pReso->eeprom[8], pReso->eeprom[9]>>8, pReso->eeprom[9] & 0xff); for (ix = 0; ix < 4; ix++) if (pReso->eeprom[5] & (1 << ix)) printf ("%s", connectors [ix]); printf ("\nPrimary interface chip %s PHY #%d.\n", phys[(pReso->eeprom[6]>>8)&15], pReso->eeprom[6] & 0x1f); if (pReso->eeprom[7] & 0x0700) printf ("Secondary interface chip %s.\n", phys[(pReso->eeprom[7]>>8)&7]);#if FALSE /* we don't show PHY specific info at this time */ /* ToDo: Read and set PHY registers through MDIO port. */ for (ix = 0; ix < 2; ix++) printf ("MDIO register %d is %4.4x.\n", ix, sys557mdioRead (unit, pReso->eeprom[6] & 0x1f, ix)); for (ix = 5; ix < 7; ix++) printf ("MDIO register %d is %4.4x.\n", ix, sys557mdioRead (unit, pReso->eeprom[6] & 0x1f, ix)); printf ("MDIO register %d is %4.4x.\n", 25, sys557mdioRead (unit, pReso->eeprom[6] & 0x1f, 25));#endif /* FALSE */ if (pReso->timeout < 0) { /* Test optimized out. */ printf ("Self test failed, status %8.8x:\n" " Failure to initialize the 82557.\n" " Verify that the card is a bus-master capable slot.\n", pReso->pResults[1]); } else { printf ("General self-test: %s.\n" " Serial sub-system self-test: %s.\n" " Internal registers self-test: %s.\n" " ROM checksum self-test: %s (%#8.8x).\n", pReso->pResults[1] & 0x1000 ? "failed" : "passed", pReso->pResults[1] & 0x0020 ? "failed" : "passed", pReso->pResults[1] & 0x0008 ? "failed" : "passed", pReso->pResults[1] & 0x0004 ? "failed" : "passed", pReso->pResults[0]); } }#endif /* INCLUDE_FEI82557END */#endif /* INCLUDE_END */
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