/**HEADER********************************************************************
 Copyright (c) 2010-2013 Freescale Semiconductor, Inc.
 ALL RIGHTS RESERVED.

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*****************************************************************************
*                                                                            
*        Standard Software Flash Driver For FTFx                             
*                                                                            
* FILE NAME     :  FlashReadResource.c                                       
* DATE          :  Dec 25, 2013                                              
*                                                                            
* AUTHOR        :  FPT Team                                                  
* E-mail        :  r56611@freescale.com                                      
*                                                                            
*****************************************************************************
0.0.1       06.09.2010      FPT Team      Initial Version
1.0.0       12.25.2013      FPT Team      Optimize code 
*END*************************************************************************/
/* include the header files */
#include "SSD_FTFx.h"
/************************************************************************
*
*  Function Name    : FlashReadResource.c
*  Description      : This function is provided for the user to read data
*                     from P-Flash IFR and D-Flash IFR space.
*  Arguments        : PFLASH_SSD_CONFIG, UINT32, UINT8*, pFLASHCOMMANDSEQUENCE
*  Return Value     : UINT32
*
*************************************************************************/
UINT32 FlashReadResource(PFLASH_SSD_CONFIG pSSDConfig, \
                                                UINT32 dest, \
                                                UINT8* pDataArray, \
                                                UINT8  resourceSelectCode, \
                                                pFLASHCOMMANDSEQUENCE pFlashCommandSequence)
{
    UINT8 i;
    UINT32 ret;       /* return code variable */
    UINT32 temp;
    
      /* convert to byte address */
    dest = WORD2BYTE(dest);
    /* check if the destination is aligned or not */
#if (DEBLOCK_SIZE)
    temp = WORD2BYTE(pSSDConfig->DFlashBlockBase);
    if((dest >= temp) && (dest < (temp + pSSDConfig->DFlashBlockSize)))
    {
        dest = dest - temp + 0x800000;
    }  
    else     
#endif
    {
        temp = WORD2BYTE(pSSDConfig->PFlashBlockBase);
        if((dest >= temp) && (dest < (temp + pSSDConfig->PFlashBlockSize)))    
        {
            dest -= temp;
        }else{
            ret = FTFx_ERR_ACCERR;
            goto EXIT;
        }
    }
    
   /* clear RDCOLERR & ACCERR & FPVIOL flag in flash status register. Write 1 to clear*/
    REG_WRITE(pSSDConfig->ftfxRegBase + FTFx_SSD_FSTAT_OFFSET,FTFx_SSD_FSTAT_ERROR_BITS);
    
    /* passing parameter to the command */
    REG_WRITE(pSSDConfig->ftfxRegBase + FTFx_SSD_FCCOB0_OFFSET, FTFx_READ_RESOURCE);
    REG_WRITE(pSSDConfig->ftfxRegBase + FTFx_SSD_FCCOB1_OFFSET, GET_BIT_16_23(dest));
    REG_WRITE(pSSDConfig->ftfxRegBase + FTFx_SSD_FCCOB2_OFFSET, GET_BIT_8_15(dest));
    REG_WRITE(pSSDConfig->ftfxRegBase + FTFx_SSD_FCCOB3_OFFSET, GET_BIT_0_7(dest));
    
    REG_WRITE(pSSDConfig->ftfxRegBase + RSRC_CODE_OFSSET, resourceSelectCode);

    /* calling flash command sequence function to execute the command */
    ret = pFlashCommandSequence(pSSDConfig);
    
    if (FTFx_OK == ret)
    {
        /* Read the data from the FCCOB registers into the pDataArray */
        for (i = 0; i < PGM_SIZE_BYTE; i ++)
        {
            pDataArray[i] = REG_READ(pSSDConfig->ftfxRegBase +(i+8));
        }
    }
    
EXIT :
    /* Enter Debug state if enabled */
    if (TRUE == (pSSDConfig->DebugEnable))
    {
        ENTER_DEBUG_MODE;
    }

    return(ret);
}
/* end of file */
