ecc_code[1] = (mecc0 >> 8) &0xff;
ecc_code[2] = (mecc0 >> 16) &0xff;
ecc_code[3] =(mecc0 >> 24) & 0xff;
debugX(1,"s3c2440_nand_calculate_hwecc(%p,):0x%02x 0x%02x 0x%02x 0x%02x\n",
mtd , ecc_code[0], ecc_code[1], ecc_code[2], ecc_code[3]);
return 0;
}