u2o_clear
u2o_clear(base, USB2_PLL_REG0, (USB2_PLL_FBDIV_MASK_MMP3
u2o_clear(base, USB2_PLL_REG0, USB2_PLL_REFDIV_MASK_MMP3_B0
u2o_clear(base, USB2_PLL_REG1, USB2_PLL_PU_PLL_MASK
u2o_clear(base, USB2_TX_REG0, USB2_TX_IMPCAL_VTH_MASK_MMP3);
u2o_clear(base, USB2_TX_REG1, USB2_TX_VDD12_MASK_MMP3
u2o_clear(base, USB2_TX_REG2, 3 << USB2_TX_DRV_SLEWRATE_SHIFT);
u2o_clear(base, USB2_RX_REG0, USB2_RX_SQ_THRESH_MASK_MMP3);
u2o_clear(base, USB2_TX_REG0, 1 << USB2_TX_RCAL_START_SHIFT_MMP3);
u2o_clear(base, UTMI_PLL, UTMI_PLL_PLLVDD18_MASK
u2o_clear(base, UTMI_TX, UTMI_TX_REG_EXT_FS_RCAL_EN_MASK
u2o_clear(base, UTMI_RX, UTMI_RX_SQ_THRESH_MASK
u2o_clear(base, UTMI_PLL, VCOCAL_START);
u2o_clear(base, UTMI_TX, REG_RCAL_START);
u2o_clear(base, UTMI_OTG_ADDON, UTMI_OTG_ADDON_OTG_ON);
u2o_clear(base, UTMI_CTRL, UTMI_CTRL_RXBUF_PDWN);
u2o_clear(base, UTMI_CTRL, UTMI_CTRL_TXBUF_PDWN);
u2o_clear(base, UTMI_CTRL, UTMI_CTRL_USB_CLK_EN);
u2o_clear(base, UTMI_CTRL, 1<<UTMI_CTRL_PWR_UP_SHIFT);
u2o_clear(base, UTMI_CTRL, 1<<UTMI_CTRL_PLL_PWR_UP_SHIFT);