EHCI_PS_PP
reg |= EHCI_PS_PP | EHCI_PS_PE;
reg |= EHCI_PS_PP | EHCI_PS_PE;
EOWRITE4(sc, port, v &~ EHCI_PS_PP);
if (v & EHCI_PS_PP) i |= UPS_PORT_POWER;
EOWRITE4(sc, port, v | EHCI_PS_PP);