MPC85XX_L2_ERRDET
err_detect = in_be32(pdata->l2_vbase + MPC85XX_L2_ERRDET);
out_be32(pdata->l2_vbase + MPC85XX_L2_ERRDET, err_detect);
err_detect = in_be32(pdata->l2_vbase + MPC85XX_L2_ERRDET);
out_be32(pdata->l2_vbase + MPC85XX_L2_ERRDET, ~0);