HCCONTROL_HCFS
switch (val & HCCONTROL_HCFS) {
val &= (~HCCONTROL_HCFS & ~HCCONTROL_RWE);
(val & ~HCCONTROL_HCFS) |
switch (val & HCCONTROL_HCFS) {
val &= ~HCCONTROL_HCFS;
(val & ~HCCONTROL_HCFS) | HCCONTROL_USB_OPER);