MPC85XX_L2_ERRDIS
orig_l2_err_disable = in_be32(pdata->l2_vbase + MPC85XX_L2_ERRDIS);
out_be32(pdata->l2_vbase + MPC85XX_L2_ERRDIS, 0);
out_be32(pdata->l2_vbase + MPC85XX_L2_ERRDIS, orig_l2_err_disable);