sysdp8~1.c

来自「网卡83815的vxworks下基于PCI总线的驱动」· C语言 代码 · 共 132 行

/* sysDp83815End.c - BSP interface to dp83815 END network interface driver */

/* Copyright 1999 TeamF1, Inc. */


/*
modification history
--------------------
01a,19Jul99,mpy  Created.
*/

#include "vxWorks.h"
#include "stdio.h"
#include "config.h"
#include "drv/pci/pciIntLib.h"
#include "drv/pci/pciConfigLib.h"
#include "string.h"
#include "memLib.h"
#include "end.h"
#include "muxLib.h"
#include "m2Lib.h"
#include "vmLib.h" /* hanzhf*/
#include "drv/end/dp83815End.h"
#ifndef INIT_STATE_MASK
#define INIT_STATE_MASK	(VM_STATE_MASK_VALID | VM_STATE_MASK_WRITABLE | VM_STATE_MASK_CACHEABLE)
#define INIT_STATE	(VM_STATE_VALID      | VM_STATE_WRITABLE      | VM_STATE_CACHEABLE_NOT)
#endif
extern int tickGet();
extern STATUS sysMmuMapAdd(void *addr, UINT len, UINT mask, UINT state);/* hanzhf */

/*******************************************************************************
* sysDp83815EnetAddrGet - Get the ethernet address of a device
*
* Computes an ethernet address for a given dp83815 device. 
*
* RETURNS: N/A
*/

void sysDp83815EnetAddrGet
    (
    int		unit,
    char *	pEnetAddr
    )
    {
    UINT16	random = (UINT16) ((tickGet() << 8) | unit);
    
    pEnetAddr[0] = 0x08;
    pEnetAddr[1] = 0x00;
    pEnetAddr[2] = 0x17;
    pEnetAddr[3] = 11;/*(random >> 16) & 0xFF;*/
    pEnetAddr[4] = 22;/*(random >> 8) & 0xFF;*/
    pEnetAddr[5] = 33;/*random & 0xFF;*/
    
    
   
    return;
    }

/*******************************************************************************
* sysDp83815ParamGet - Get the device parameters of a device
*
* This routine initializes the parameter <dpParam> with the base address,
* interrupt vector, interrupt level, and PCI memory base address for the
* device instance specified by <unit>.
*
* RETURNS: OK on success and ERROR otherwise.
*/

STATUS sysDp83815ParamGet
    (
    int			unit,
    DP83815_PARAM *	dpParam
    )
    {
    UINT32  busNo;
    UINT32  funcNo;
    UINT32  deviceNo;
    UINT8   irq;
    UINT32  iobase;
    UINT32  membase;

    /* find the device */

    if (pciFindDevice (PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_83815, unit,
                       &busNo, &deviceNo, &funcNo) == ERROR)
        return ERROR;

    /* read in values of iobase and irq */

    pciConfigInLong (busNo, deviceNo, funcNo, PCI_CFG_BASE_ADDRESS_0, &iobase);
    iobase &= PCI_IOBASE_MASK;
    
    pciConfigInByte (busNo, deviceNo, funcNo, PCI_CFG_DEV_INT_LINE, &irq);

    pciConfigInLong (busNo, deviceNo, funcNo, PCI_CFG_BASE_ADDRESS_1, &membase);
    membase &=PCI_MEMBASE_MASK;
    
    if (sysMmuMapAdd(sysPciToPhys((void *)membase), (1024*4),INIT_STATE_MASK, INIT_STATE) == ERROR) 
    {
	printf("mmu error\n");
    }
    
    /***********************************************************************/
    /*							hanzhf 										*/
    pciConfigInLong (busNo, deviceNo, funcNo, 0x04, &membase);
    pciConfigOutLong (busNo, deviceNo, funcNo, 0x04, 0x02900005);
    
    printf("config space 0x04 is %x .\n",membase);
    /***********************************************************************/
/*
    if (sysMmuMapAdd((void *)(membase), (1024*4),INIT_STATE_MASK, INIT_STATE) == ERROR) 
    {
	printf("mmu error\n");
    }
     if (sysMmuMapAdd((void *)(0xC0000000), (1024*1024),INIT_STATE_MASK, INIT_STATE) == ERROR) 
    {
	printf("mmu error\n");
    }*/
    /* initialise dpParam 
    printf("membase is %x .\n",membase);
    printf("iobase is %x.\n",iobase);
    printf("irq is %d.\n",irq);*/
    dpParam->iobase = iobase;
    dpParam->ivec   = (int) IVEC_TO_INUM (irq);
    dpParam->ilevel = (int) irq;
    dpParam->pciMemBase =-0xc0000000;

    return OK;
    }