SXIAHCI_PHYCS1
SXISET4(sc, SXIAHCI_PHYCS1, 1 << 19);
SXICMS4(sc, SXIAHCI_PHYCS1,
SXISET4(sc, SXIAHCI_PHYCS1, 1 << 28 | 1 << 15);
SXICLR4(sc, SXIAHCI_PHYCS1, 1 << 19);