FLD_END_EVEN
FLD_END_EVEN | FLD_END_ODD, pd->regs + INT_CSR);
iowrite32(FLD_START | FLD_END_EVEN | FLD_END_ODD, pd->regs + INT_CSR);
FLD_END_EVEN | FLD_END_ODD, ipd->regs + INT_CSR);
iowrite32(FLD_START | FLD_END_EVEN | FLD_END_ODD,