SDRAM_ERR_CALC_ECC_ROW_OFFSET
row_val = (calc_ecc & SDRAM_ERR_CALC_ECC_ROW_MASK) >> SDRAM_ERR_CALC_ECC_ROW_OFFSET;
#define SDRAM_ERR_CALC_ECC_ROW_MASK (0xffff << SDRAM_ERR_CALC_ECC_ROW_OFFSET)