STM32 SDRAM Scatter File

Hello,

i have the following problem:

I would like to access the external SDRAM on the STM32F429 Discovery. I could access the external SDRAM, that is not the main problem. The problem is, that i have to access the external SDRAM as the following:

 /* SDRAM Initialization */
  SDRAM_Init();

  /* FMC SDRAM GPIOs Configuration */
  SDRAM_GPIOConfig();

//Write SDRAM
  for (counter = 0; counter < TRANSFERS; counter++)
  {
    *(__IO uint16_t*) (SDRAM_BANK_ADDR + 2*counter) = (uint16_t)(uhWritedata_16b + counter);
  }

Here i havé to add the Address "SDRAM_BANK_ADDR" if i would like to write into the external SDRAM. Now i should configure the Scatter - File that i doesn't need that Section. How must be the changes? Is it possible to auto - configure this Section as external SDRAM?

My Scatter File looks like this:

; *************************************************************
; *** Scatter-Loading Description File generated by uVision ***
; *************************************************************

LR_IROM1 0x08000000 0x00200000  {    ; load region size_region
  ER_IROM1 0x08000000 0x00200000  {  ; load address = execution address
   *.o (RESET, +First)
   *(InRoot$$Sections)
   .ANY (+RO)
  }
  RW_IRAM1 0x20000000 0x00030000  {  ; RW data
   .ANY (+RW +ZI)
  }
}


;LR_ERAM1 0xD0000000 0xD0400000 {
        ;ER_ERAM1 0xD0000000 0xD0400000  {
          ;.ANY (+RW +ZI)
        ;}
;}

Thanks for your help.