OHCI_HCFS_MASK
x &= ~(OHCI_HCFS_MASK);
ctl &= ~(OHCI_CBSR_MASK | OHCI_LES | OHCI_HCFS_MASK | OHCI_IR);
ctl = (ctl & ~OHCI_HCFS_MASK) | OHCI_SET_HCFS(OHCI_HCFS_OPERATIONAL);
ctl = OREAD4(sc, OHCI_CONTROL) & ~OHCI_HCFS_MASK;
#define OHCI_SET_HCFS(x) __SHIFTIN((x), OHCI_HCFS_MASK)
#define OHCI_GET_HCFS(x) __SHIFTOUT((x), OHCI_HCFS_MASK)