USBH_PRIV_UTMI_CTL_NODRIV_SHIFT
#define USBH_PRIV_UTMI_CTL_NODRIV_MASK (0xf << USBH_PRIV_UTMI_CTL_NODRIV_SHIFT)
val |= (portmask << USBH_PRIV_UTMI_CTL_NODRIV_SHIFT);
val &= ~(portmask << USBH_PRIV_UTMI_CTL_NODRIV_SHIFT);
val &= ~(portmask << USBH_PRIV_UTMI_CTL_NODRIV_SHIFT);
val |= (portmask << USBH_PRIV_UTMI_CTL_NODRIV_SHIFT);