MVS_PCS
mw32(MVS_PCS, 0); /* MVS_PCS */
tmp = mr32(MVS_PCS);
tmp = mr32(MVS_PCS);
mw32(MVS_PCS, tmp);
mw32(MVS_PCS, tmp);
mw32(MVS_PCS, PCS_SATA_RETRY | PCS_FIS_RX_EN |
tmp = mr32(MVS_PCS) | 0xFF00;
mw32(MVS_PCS, tmp);
tmp = mr32(MVS_PCS);
mw32(MVS_PCS, tmp & ~offs);
tmp = mr32(MVS_PCS);
mw32(MVS_PCS, tmp | offs);
tmp = mr32(MVS_PCS);
mw32(MVS_PCS, tmp & 0xFFFF);
mw32(MVS_PCS, tmp);
tmp = mr32(MVS_PCS);
mw32(MVS_PCS, tmp);
mw32(MVS_PCS, 0); /* MVS_PCS */
tmp = mr32(MVS_PCS);
mw32(MVS_PCS, tmp);
mw32(MVS_PCS, PCS_SATA_RETRY_2 | PCS_FIS_RX_EN |
tmp = mr32(MVS_PCS) | 0xFF00;
mw32(MVS_PCS, tmp);