/* sysProteus.c - Wind River PROTEUS FPGA board driver *//* Copyright 1984-2001 Wind River Systems, Inc. *//*modification history--------------------01a,22nov01,g_h  created.*//*DESCRIPTIONThis library contains routines to load the Wind River FPGA card (PROTEUS).*//* includes */#include "vxWorks.h"#include "stdlib.h"#include "stdio.h"#include "string.h"#include "ctype.h"#include "ioLib.h"#include "iosLib.h"#include "memLib.h"#include "sys/stat.h"#include "sysProteus.h"/***********************************************************************    ** sysProteusLoad - read FPGA bit file from the file system and load it** This routine read FPGA bit file from the file system and load is to* the FPGA device on the Wind River PROTEUS card.** RETURNS: OK or ERROR** SEE ALSO: sysProteusLoadImage()*/STATUS sysProteusLoad    (    char fileName[32]    )    {    UINT32      count;    UINT32      fileSize;    UINT8     * pMemory;    UINT        fileHandle;    struct stat fs;    /* open file */    fileHandle =  open (fileName, 0, 0);    if ((fileHandle == 0xFFFFFFFF) || (fileHandle == 0))	{	printf ("Error: Specified File %s not found\n", fileName);	return(ERROR);	}    /* get the file size */        fstat (fileHandle, &fs);    fileSize = fs.st_size;    /* malloc an area to allow processing of data */    pMemory = (UINT8 *)malloc(fileSize);     if (pMemory == NULL)	{	close (fileHandle);        printf ("Error: Allocating memory\n");        return (ERROR);	}     /* read file to buffer */    count = read (fileHandle, (char *)pMemory, fileSize);    printf ("%d bytes read from file!\n", count);    /* Configure FPGA with image */    sysProteusLoadImage (pMemory);     /* close file and free memory buffer */	    close (fileHandle);    free (pMemory);    /* Print info */    printf ("Success: FPGA Configured and Initialized!\n");    return (OK);    }/***********************************************************************    ** sysProteusLoadImage - get FPGA bit image and load it to the FPGA** This routine get FPGA bit image and load it to the FPGA on the * Wind River PROTEUS card.** RETURNS: N/A** SEE ALSO: sysProteusLoad()*/void sysProteusLoadImage    (    UINT8 * pImage    )    {    UINT8  * pFpgaData;    UINT8  * pFpgaCtrl;    UINT8  * pFpgaStatus;    UINT32   count;    UINT32   index;    UINT8    stat;    UINT8    syncByte;    UINT32 * cntPtr;    syncByte    = 0xaa;    pFpgaData   = (UINT8 *)0xf0000009;    pFpgaCtrl   = (UINT8 *)0xf0000008;    pFpgaStatus = (UINT8 *)0xf000000a;    /* search for syncByte 0xAA in FPGA bit file */    for (;;pImage++)        {	if (*pImage == syncByte)	    break;	}    /* get the size of the actual data */    cntPtr = (UINT32 *)(pImage - 8);    count  = *cntPtr;    /* toggle the Program pin of the FPGA */    *pFpgaCtrl = 0xc;    *pFpgaCtrl = 0x8;    /* Wait for FPGA to be ready to receive new configuration */    for (;;)        {        stat = *pFpgaStatus;        if (stat & 0x20)            break;	}    /* configure the FPGA by reading from RAM to the FPGA data register */    for (index=0; index < count; index++,pImage++)        {	*pFpgaData = *pImage;	}    }/***********************************************************************    ** sysProteusSwitchLedsDemo - demo switch leds control done by the FPGA** This routine demo switch leds control done by the PROTEUS FPGA** RETURNS: N/A*/void sysProteusSwitchLedsDemo    (    void    )    {    UINT8 * pSwitch;    UINT8 * pLeds;        pSwitch = (UINT8 *)0x7080000C; /* SBC405GP SW3 address in the FPGA */    pLeds   = (UINT8 *)0x70800008; /* SBC405GP D13-D21 address in the FPGA */    /* set default led pattern */    *pLeds  = 0xA;    printf ("End application by applying pattern 10101010=0xAA to switches...\n");    taskDelay(10);    for (;;)        {	*pLeds = *pSwitch;        if (*pSwitch == 0xAA)           {           *pLeds = *pSwitch;           break;           }        }	printf("\nSwitchleds program done!\n");    }