USBH_PRIV_UTMI_CTL_HOSTB_SHIFT
#define USBH_PRIV_UTMI_CTL_HOSTB_MASK (0xf << USBH_PRIV_UTMI_CTL_HOSTB_SHIFT)
val |= (portmask << USBH_PRIV_UTMI_CTL_HOSTB_SHIFT);
val &= ~(portmask << USBH_PRIV_UTMI_CTL_HOSTB_SHIFT);