Subversion Repositories openrisc

/*

 * SDRAM row test

 *

 * Tests accessing every row

 *

*/

#include "cpu-utils.h"

#include "board.h"

#include "sdram.h"

#define SDRAM_NUM_ROWS (SDRAM_NUM_ROWS_PER_BANK * SDRAM_NUM_BANKS)

#define STACK_AT (128*1024)

#define START_ROW  ((STACK_AT/SDRAM_ROW_SIZE)+1)

int main()

{

  int i; // Skip first 64KB, code/stack resides there

  for(i=START_ROW;i<(SDRAM_NUM_ROWS);i++)

    REG32((i*(SDRAM_ROW_SIZE))) = i;

  int read_result = 0;

  for(i=START_ROW;i<(SDRAM_NUM_ROWS);i++)

    {

      read_result = REG32((i*(SDRAM_ROW_SIZE)));

      if (read_result != i)

        {

          report(0xbaaaaaad);

          report(i);

          report(read_result);

          exit(0xbaaaaaad);

        }

    }

  exit(0x8000000d);

}