syslib.c

For WorkBench2.31 的pentium4 BSP

* RETURNS: N/A
*
* NOMANUAL
*/

void sysHwInit0 (void)
    {
#ifdef  INCLUDE_CPU_PROBE
    (void) sysCpuProbe ();
#else
    sysProcessor = X86CPU_DEFAULT;
#endif  /* INCLUDE_CPU_PROBE */
    }

#endif  /* INCLUDE_SYS_HW_INIT_0 */

/*******************************************************************************
*
* sysHwInit - initialize the system hardware
*
* This routine initializes various features of the i386/i486 board.
* It is called from usrInit() in usrConfig.c.
*
* NOTE: This routine should not be called directly by the user application.
*
* RETURNS: N/A
*/

void sysHwInit (void)
    {
    PHYS_MEM_DESC *pMmu;
    int ix = 0;

#if (CPU == PENTIUM) || (CPU == PENTIUM2) || (CPU == PENTIUM3) || \
    (CPU == PENTIUM4)

    /* initialize the MSRs (Model Specific Registers) */
    
    pentiumMsrInit ();

#   if  (CPU != PENTIUM)

    /* enable the MTRR (Memory Type Range Registers) */

    if ((sysCpuId.featuresEdx & CPUID_MTRR) == CPUID_MTRR)
    {
        pentiumMtrrDisable ();      /* disable MTRR */
#   ifdef INCLUDE_MTRR_GET
        (void) pentiumMtrrGet (&sysMtrr); /* get MTRR initialized by BIOS */
#   else
        (void) pentiumMtrrSet (&sysMtrr); /* set your own MTRR */
#   endif /* INCLUDE_MTRR_GET */
        pentiumMtrrEnable ();       /* enable MTRR */
    }

#   endif /* (CPU != PENTIUM) */

#   ifdef INCLUDE_PMC

    /* enable PMC (Performance Monitoring Counters) */

    pentiumPmcStop ();          /* stop PMC0 and PMC1 */
    pentiumPmcReset ();         /* reset PMC0 and PMC1 */

#   endif /* INCLUDE_PMC */

    /* enable the MCA (Machine Check Architecture) */

    pentiumMcaEnable (TRUE);

#   ifdef INCLUDE_SHOW_ROUTINES

    /* 
     * if excMcaInfoShow is not NULL, it is called in the default
     * exception handler when Machine Check Exception happened
     */

    {
    IMPORT FUNCPTR excMcaInfoShow;
    excMcaInfoShow = (FUNCPTR) pentiumMcaShow;
    }
#   endif /* INCLUDE_SHOW_ROUTINES */

#endif  /* (CPU == PENTIUM) || (CPU == PENTIUM[234]) */

#ifdef INCLUDE_SHOW_ROUTINES
    vxShowInit ();
#endif /* INCLUDE_SHOW_ROUTINES */
    /* initialize the number of active mappings (sysPhysMemDescNumEnt) */

    pMmu = &sysPhysMemDesc[0];

    for (ix = 0; ix < NELEMENTS (sysPhysMemDesc); ix++) 
        if (pMmu->virtualAddr != (VIRT_ADDR)DUMMY_VIRT_ADDR)
            pMmu++;
        else
            break;

    sysPhysMemDescNumEnt = ix;

    /* initialize PCI library */

#ifdef  INCLUDE_VXBUS

  hardWareInterFaceInit();

#else /* INCLUDE_VXBUS */
#ifdef  INCLUDE_PCI

    pciConfigLibInit (PCI_MECHANISM_1, PCI_CONFIG_ADDR, PCI_CONFIG_DATA, (ULONG) NONE);
    sysPciIntInit ();           /* it does pciIntLibInit() */

#endif /* INCLUDE_PCI */
#endif /* INCLUDE_VXBUS */

    /* initialize the PIC (Programmable Interrupt Controller) */

    sysIntInitPIC ();       /* should be after the PCI init for IOAPIC */
    intEoiGet = sysIntEoiGet;   /* function pointer used in intConnect () */

#ifdef INCLUDE_VXBUS

    /* Connect intEnable/intDisable function pointers */

    sysIntLvlEnableRtn = (FUNCPTR)sysIntEnablePIC;

    sysIntLvlDisableRtn = (FUNCPTR)sysIntDisablePIC;

#endif /* INCLUDE_VXBUS */

    /* initialize PCI devices */

#ifdef  INCLUDE_VXBUS
#else /* INCLUDE_VXBUS */
#ifdef  INCLUDE_PCI

#if (PCI_CFG_TYPE == PCI_CFG_AUTO)

    /* Some boards don't have a typical BIOS
     * for example, Intel's System Firmware Library needs pciAutoConfig 
     */

    sysPciAutoConfig();

#endif /* (PCI_CFG_TYPE == PCI_CFG_AUTO) */

    /* 
     * PCI-to-PCI bridge initialization should be done here, if it is.
     * It is not necessary for Intel 430HX PCISET, which splits
     * the extended memory area as follows:
     *   - Flash BIOS area from 4GByte to (4GB - 512KB)
     *   - DRAM memory from 1MB to a maximum of 512MB
     *   - PCI memory space from the top of DRAM to (4GB - 512KB)
     */

#ifdef INCLUDE_NETWORK

/* Atheros AR521X WLAN Support */

#ifdef INCLUDE_AR521X_END
    sysDot11BusInit();
#endif /* INCLUDE_AR521X_END */

    /* initialize PCI network controllers starting from Bus 0 */

     pciConfigForeachFunc (0, TRUE, (PCI_FOREACH_FUNC) sysNetPciInit, NULL);

#endif /* INCLUDE_NETWORK */

#if (defined(INCLUDE_SCSI) && defined(INCLUDE_AIC_7880))
    sysAic7880PciInit ();
#endif  /* INCLUDE_SCSI && INCLUDE_AIC_7880 */

#endif /* INCLUDE_PCI */
#endif /* INCLUDE_VXBUS */

    /* initialize devices on the board if following SFL boot process */
    
#ifdef INCLUDE_IACSFL
    {
#   ifdef INCLUDE_CTB69000VGA
    extern int  ctB69000VgaInit();
#   endif /* INCLUDE_CTB69000VGA */
    
    /* superIO - basic initialization */
    
#   ifdef INCLUDE_SMCFDC37B78X

    smcFdc37b78xDevCreate ((void *) NULL); /* initialize superIO library */
    
    /* enable only given devices on SuperIO chip */
    smcFdc37b78xInit ((SMCFDC37B78X_FDD_EN | SMCFDC37B78X_COM1_EN |
                       SMCFDC37B78X_COM2_EN | SMCFDC37B78X_LPT1_EN |
                       SMCFDC37B78X_KBD_EN));
    
#   endif /* INCLUDE_SMCFDC37B78X */
    
    /* PC console - initialization */
    
#   if defined(INCLUDE_PC_CONSOLE)
    
#   ifdef INCLUDE_SMCFDC37B78X
    
    smcFdc37b78xKbdInit ();              /* Initialize Kbd on SuperIO */
    
#   endif /* INCLUDE_SMCFDC37B78X */
    
#   ifdef INCLUDE_CTB69000VGA
    
    ctB69000VgaInit ();                  /* Initialize VGA card */
    
#   endif /* INCLUDE_CTB69000VGA */
    
#   endif /* INCLUDE_PC_CONSOLE */
    
    }
#endif /* INCLUDE_IACSFL */

    /* initializes the serial devices */

#ifndef INCLUDE_NS16550_SIO
    sysSerialHwInit ();      /* initialize serial data structure */
#endif /* INCLUDE_NS16550_SIO */


#ifdef INCLUDE_WINDML

    sysWindMLHwInit ();

#endif /* INCLUDE_WINDML */


#ifdef VX_POWER_MANAGEMENT
    /*
     * initializes Power Management Mode
     * VX_POWER_MODE_DEFAULT is defined in config.h
     */
    vxPowerModeSet(VX_POWER_MODE_DEFAULT);
#endif /* VX_POWER_MANAGEMENT */

    }

/*******************************************************************************
*
* sysHwInit2 - additional system configuration and initialization
*
* This routine connects system interrupts and does any additional
* configuration necessary.
*
* RETURNS: N/A
*/

void sysHwInit2 (void)

    {

#if defined (INCLUDE_ADD_BOOTMEM)

    /*
     * We memAddToPool some upper memory into any low memory
     * x86 "rom" images pool.  The x86 low memory images reside
     * from 0x8000 to 0xa0000.  By memAddToPool'ing some upper
     * memory here, we allow devices a larger pool to swim within.
     * (SPR#21338).  This is no longer performed in bootConfig.c
     */

#   if (ADDED_BOOTMEM_SIZE != 0x0)
 
    /*
     * if &end (compiler symbol) is in lower memory, then we assume 
     * this is a low memory image, and add some upper memory to the pool.
     */
        /* Only do this if there is enough memory. Default is 4MB min. */
 
    if ((UINT32)(&end) < 0x100000)
        {
 
        if ((UINT32)(memTopPhys) >= (0x00200000 + ADDED_BOOTMEM_SIZE))
            {
            memAddToPool ((char *)memTopPhys - ADDED_BOOTMEM_SIZE,
                          ADDED_BOOTMEM_SIZE);
            }
        }
#   endif /* (ADDED_BOOTMEM_SIZE !=0) */
#endif  /* INCLUDE_ADD_BOOTMEM defined */
 
    /* connect sys clock interrupt and auxiliary clock interrupt*/

#ifdef  INCLUDE_APIC_TIMER
    (void)intConnect (INUM_TO_IVEC (INT_NUM_LOAPIC_TIMER), sysClkInt, 0);
#   ifdef PIT0_FOR_AUX
    (void)intConnect (INUM_TO_IVEC (INT_NUM_GET (PIT0_INT_LVL)), sysAuxClkInt, 0);
#   else
    (void)intConnect (INUM_TO_IVEC (INT_NUM_GET (RTC_INT_LVL)), sysAuxClkInt, 0);
#   endif /* PIT0_FOR_AUX */
#else
    (void)intConnect (INUM_TO_IVEC (INT_NUM_GET (PIT0_INT_LVL)), sysClkInt, 0);
    (void)intConnect (INUM_TO_IVEC (INT_NUM_GET (RTC_INT_LVL)), sysAuxClkInt, 0);
#endif  /* INCLUDE_APIC_TIMER */

#ifndef INCLUDE_NS16550_SIO
    /* connect serial interrupt */  

    sysSerialHwInit2();

#endif /* INCLUDE_NS16550_SIO */

#ifdef INCLUDE_VXBUS

    vxbDevInit();
#ifdef INCLUDE_SIO_UTILS
    sysSerialConnectAll();
#endif /* INCLUDE_SIO_UTILS */

    /* initialize non-vxBus PCI network controllers starting from Bus 0 */

     pciConfigForeachFunc (0, TRUE, (PCI_FOREACH_FUNC) sysNetPciInit, NULL);

#endif /* INCLUDE_VXBUS */

    /* connect stray(spurious/phantom) interrupt */  

#if     defined(VIRTUAL_WIRE_MODE)
    (void)intConnect (INUM_TO_IVEC (INT_NUM_LOAPIC_SPURIOUS), sysStrayInt, 0);
    (void)intConnect (INUM_TO_IVEC (INT_NUM_GET (LPT_INT_LVL)), sysStrayInt, 0);
#elif   defined(SYMMETRIC_IO_MODE)
    (void)intConnect (INUM_TO_IVEC (INT_NUM_LOAPIC_SPURIOUS), sysStrayInt, 0);
#else
    (void)intConnect (INUM_TO_IVEC (INT_NUM_GET (LPT_INT_LVL)), sysStrayInt, 0);
    (void)intConnect (INUM_TO_IVEC (INT_NUM_GET (PIC_SLAVE_STRAY_INT_LVL)), 
              sysStrayInt, 0);
#endif  /* defined(VIRTUAL_WIRE_MODE) */

#ifdef  INCLUDE_PC_CONSOLE

    /* connect keyboard Controller 8042 chip interrupt */

    (void) intConnect (INUM_TO_IVEC (INT_NUM_GET (KBD_INT_LVL)), kbdIntr, 0);

#endif  /* INCLUDE_PC_CONSOLE */

#if defined (TGT_CPU) && defined (SYMMETRIC_IO_MODE)

    /* init IPI vectors, connect IPI handler up to IPI_MAX_HANDLERS (=8) */

    ipiVecInit (INT_NUM_LOAPIC_IPI);

    ipiConnect ((INT_NUM_LOAPIC_IPI + 0), ipiHandlerShutdown);
    ipiConnect ((INT_NUM_LOAPIC_IPI + 1), ipiHandlerTscReset);
    ipiConnect ((INT_NUM_LOAPIC_IPI + 2), ipiHandlerTlbFlush);

#endif  /* defined (TGT_CPU) && defined (SYMMETRIC_IO_MODE) */

#ifdef  INCLUDE_THERM_MONITOR
    sysThermInit ();
#endif  /* INCLUDE_THERM_MONITOR */

#ifdef  INCLUDE_DEBUG_STORE
    sysDbgStrInit ();
#endif  /* INCLUDE_DEBUG_STORE */

#ifdef INCLUDE_VXBUS