HW_AMR
alrm->enabled = ioread32(priv->iobase + HW_AMR) ? 1 : 0;
iowrite32(alrm->enabled ? 0 : BM_AMR_OFF, priv->iobase + HW_AMR);
iowrite32(enabled ? 0 : BM_AMR_OFF, priv->iobase + HW_AMR);
iowrite32(BM_AMR_OFF, priv->iobase + HW_AMR);
iowrite32(BM_AMR_OFF, priv->iobase + HW_AMR);