help to write in 2G sd card with arm at91sam7s64 via spi

[CODE]void initSPI (void)
{
  
  //PA.11 -> NPCS0
  //PA.12 -> MISO
  //PA.13 -> MOSI
  //PA.14 -> SPCK
  s_pPio->PIO_PDR = BIT11 | BIT12 | BIT13 | BIT14;
  s_pPio->PIO_ASR = BIT11 | BIT12 | BIT13 | BIT14;
  s_pPio->PIO_BSR = 0;
  AT91C_BASE_PMC->PMC_PCER=1<<AT91C_ID_SPI;

    // pull up resistor
  s_pSys->PIOA_PPUER = BIT11 | BIT12 | BIT13;

  //s_pPMC->PMC_PCER = AT91C_ID_SPI;        //enable the clock of SPI
  s_pPMC->PMC_PCER = 1 << AT91C_ID_SPI;

  /****  Fixed mode ****/
  s_pSpi->SPI_CR      = 0x81;              //SPI Enable, Sowtware reset
  s_pSpi->SPI_CR      = 0x01;              //SPI Enable


  s_pSpi->SPI_MR      = 0xE0011;          //Master mode, fixed select, disable decoder, FDIV=0 (MCK), PCS=1110
  s_pSpi->SPI_CSR[0]  = 0x0802;           //8bit, CPOL=0, ClockPhase=1, SCLK = 200kHz
 // s_pSpi->SPI_CSR[0]  = 0x0202;           //8bit, CPOL=0, ClockPhase=1, SCLK = Max

#ifdef SPI_PDC_Transfer_Mode
  s_pPDC->PDC_PTCR = AT91C_PDC_TXTEN | AT91C_PDC_RXTEN;
#endif
  s_pSpi->SPI_PTCR = AT91C_PDC_TXTEN | AT91C_PDC_RXTEN;
}



// Initialization
char initMMC (void)
{

  //raise SS and MOSI for 80 clock cycles
  // >>> SendByte(0xff) 10 times with SS high
  //RAISE SS
 
  char response=0x01;


//  dbgu_print_ascii("Start iniMMC......");
  initSPI();
  //initialization sequence on PowerUp
 //CS_HIGH();

  for(int i=0;i<=18;i++)
    spiSendByte(0xff);
  //CS_LOW();
  //Send Command 0 to put MMC in SPI mode
  for(int i=0;i<=19;i++){
  mmcSendCmd(0x00,0,0x95);
  if(mmcGetResponse()==0x01){
    /*222222222  glcd_Text(5,31, FONT_SEVEN_DOT,"yes Responses");
      glcd_UpdateAll();*/
    break;
  }
  
  
   if(i>=0x18){
      
      /* 11111111111 for(int h=0;h<=19;h++){
        glcd_Text(5,31, FONT_SEVEN_DOT,"No Response");
      glcd_UpdateAll();
        h=h+1;
      }*/
  }
  }
 
  
  //Now wait for READY RESPONSE
  

  while(response==0x01)
  {
//   dbgu_print_ascii("Sending Command 1");
    /* 11111111111 glcd_Text(5,15, FONT_SEVEN_DOT,"Sending Command 1");
     glcd_UpdateAll();*/
   //CS_HIGH();
   spiSendByte(0xff);
   //CS_LOW();
   mmcSendCmd(0x01,0x00,0xff);
   response=mmcGetResponse();
  }
  //CS_HIGH();
  spiSendByte(0xff);
   glcd_Text(5,18, FONT_SEVEN_DOT,"MMC INITIALIZED");
      glcd_UpdateAll();  
//  dbgu_print_ascii("MMC INITIALIZED AND SET TO SPI MODE PROPERLY.");
  return MMC_SUCCESS;
}[/CODE]