MxMR_OP_RP
clrsetbits_be32(upm->mxmr, MxMR_MAD, MxMR_OP_RP | pat_offset);
clrbits32(upm->mxmr, MxMR_OP_RP);
while (in_be32(upm->mxmr) & MxMR_OP_RP)