usbhs_write32
usbhs_write32(priv, UGCTRL2, val | UGCTRL2_RESERVED_3);
usbhs_write32(priv, UGCTRL, 0); /* release PLLRESET */
usbhs_write32(priv, UGCTRL, UGCTRL_CONNECT);
usbhs_write32(priv, UGCTRL, 0);
usbhs_write32(priv, UGCTRL, UGCTRL_PLLRESET);