/* * Copyright (c) 2015 - 2016, Freescale Semiconductor, Inc. * Copyright 2016 - 2017 NXP * * Redistribution and use in source and binary forms, with or without modification, * are permitted provided that the following conditions are met: * * o Redistributions of source code must retain the above copyright notice, this list * of conditions and the following disclaimer. * * o Redistributions in binary form must reproduce the above copyright notice, this * list of conditions and the following disclaimer in the documentation and/or * other materials provided with the distribution. * * o Neither the name of the copyright holder nor the names of its * contributors may be used to endorse or promote products derived from this * software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include #include "fsl_device_registers.h" #include void *USB_EhciPhyGetBase(uint8_t controllerId) { void *usbPhyBase = NULL; #if ((defined FSL_FEATURE_SOC_USBPHY_COUNT) && (FSL_FEATURE_SOC_USBPHY_COUNT > 0U)) uint32_t instance; uint32_t newinstance = 0; uint32_t usbphy_base_temp[] = USBPHY_BASE_ADDRS; uint32_t usbphy_base[] = USBPHY_BASE_ADDRS; if (controllerId < kUSB_ControllerEhci0) { return NULL; } controllerId = controllerId - kUSB_ControllerEhci0; for (instance = 0; instance < (sizeof(usbphy_base_temp) / sizeof(usbphy_base_temp[0])); instance++) { if (usbphy_base_temp[instance]) { usbphy_base[newinstance++] = usbphy_base_temp[instance]; } } if (controllerId > newinstance) { return NULL; } usbPhyBase = (void *)usbphy_base[controllerId]; #endif return usbPhyBase; } /*! * @brief ehci phy initialization. * * This function initialize ehci phy IP. * * @param[in] controllerId ehci controller id, please reference to #usb_controller_index_t. * @param[in] freq the external input clock. * for example: if the external input clock is 16M, the parameter freq should be 16000000. * * @retval kStatus_USB_Success cancel successfully. * @retval kStatus_USB_Error the freq value is incorrect. */ uint32_t USB_EhciPhyInit(uint8_t controllerId, uint32_t freq, usb_phy_config_struct_t *phyConfig) { #if ((defined FSL_FEATURE_SOC_USBPHY_COUNT) && (FSL_FEATURE_SOC_USBPHY_COUNT > 0U)) USBPHY_Type *usbPhyBase; usbPhyBase = (USBPHY_Type *)USB_EhciPhyGetBase(controllerId); if (NULL == usbPhyBase) { return kStatus_USB_Error; } #if ((defined FSL_FEATURE_SOC_ANATOP_COUNT) && (FSL_FEATURE_SOC_ANATOP_COUNT > 0U)) ANATOP->HW_ANADIG_REG_3P0.RW = (ANATOP->HW_ANADIG_REG_3P0.RW & (~(ANATOP_HW_ANADIG_REG_3P0_OUTPUT_TRG(0x1F) | ANATOP_HW_ANADIG_REG_3P0_ENABLE_ILIMIT_MASK))) | ANATOP_HW_ANADIG_REG_3P0_OUTPUT_TRG(0x17) | ANATOP_HW_ANADIG_REG_3P0_ENABLE_LINREG_MASK; ANATOP->HW_ANADIG_USB2_CHRG_DETECT.SET = ANATOP_HW_ANADIG_USB2_CHRG_DETECT_CHK_CHRG_B_MASK | ANATOP_HW_ANADIG_USB2_CHRG_DETECT_EN_B_MASK; #endif #if (defined USB_ANALOG) USB_ANALOG->INSTANCE[controllerId - kUSB_ControllerEhci0].CHRG_DETECT_SET = USB_ANALOG_CHRG_DETECT_CHK_CHRG_B(1) | USB_ANALOG_CHRG_DETECT_EN_B(1); #endif #if ((!(defined FSL_FEATURE_SOC_CCM_ANALOG_COUNT)) && (!(defined FSL_FEATURE_SOC_ANATOP_COUNT))) usbPhyBase->TRIM_OVERRIDE_EN = 0x001fU; /* override IFR value */ #endif usbPhyBase->CTRL |= USBPHY_CTRL_SET_ENUTMILEVEL2_MASK; /* support LS device. */ usbPhyBase->CTRL |= USBPHY_CTRL_SET_ENUTMILEVEL3_MASK; /* support external FS Hub with LS device connected. */ /* PWD register provides overall control of the PHY power state */ usbPhyBase->PWD = 0U; /* Decode to trim the nominal 17.78mA current source for the High Speed TX drivers on USB_DP and USB_DM. */ usbPhyBase->TX = ((usbPhyBase->TX & (~(USBPHY_TX_D_CAL_MASK | USBPHY_TX_TXCAL45DM_MASK | USBPHY_TX_TXCAL45DP_MASK))) | (USBPHY_TX_D_CAL(phyConfig->D_CAL) | USBPHY_TX_TXCAL45DP(phyConfig->TXCAL45DP) | USBPHY_TX_TXCAL45DM(phyConfig->TXCAL45DM))); #endif return kStatus_USB_Success; } /*! * @brief ehci phy initialization for suspend and resume. * * This function initialize ehci phy IP for suspend and resume. * * @param[in] controllerId ehci controller id, please reference to #usb_controller_index_t. * @param[in] freq the external input clock. * for example: if the external input clock is 16M, the parameter freq should be 16000000. * * @retval kStatus_USB_Success cancel successfully. * @retval kStatus_USB_Error the freq value is incorrect. */ uint32_t USB_EhciLowPowerPhyInit(uint8_t controllerId, uint32_t freq, usb_phy_config_struct_t *phyConfig) { #if ((defined FSL_FEATURE_SOC_USBPHY_COUNT) && (FSL_FEATURE_SOC_USBPHY_COUNT > 0U)) USBPHY_Type *usbPhyBase; usbPhyBase = (USBPHY_Type *)USB_EhciPhyGetBase(controllerId); if (NULL == usbPhyBase) { return kStatus_USB_Error; } #if ((!(defined FSL_FEATURE_SOC_CCM_ANALOG_COUNT)) && (!(defined FSL_FEATURE_SOC_ANATOP_COUNT))) usbPhyBase->TRIM_OVERRIDE_EN = 0x001fU; /* override IFR value */ #endif #if ((defined USBPHY_CTRL_AUTORESUME_EN_MASK) && (USBPHY_CTRL_AUTORESUME_EN_MASK > 0U)) usbPhyBase->CTRL |= USBPHY_CTRL_AUTORESUME_EN_MASK; #else usbPhyBase->CTRL |= USBPHY_CTRL_ENAUTO_PWRON_PLL_MASK; #endif usbPhyBase->CTRL |= USBPHY_CTRL_ENAUTOCLR_CLKGATE_MASK | USBPHY_CTRL_ENAUTOCLR_PHY_PWD_MASK; usbPhyBase->CTRL |= USBPHY_CTRL_SET_ENUTMILEVEL2_MASK; /* support LS device. */ usbPhyBase->CTRL |= USBPHY_CTRL_SET_ENUTMILEVEL3_MASK; /* support external FS Hub with LS device connected. */ /* PWD register provides overall control of the PHY power state */ usbPhyBase->PWD = 0U; #if ((!(defined FSL_FEATURE_SOC_CCM_ANALOG_COUNT)) && (!(defined FSL_FEATURE_SOC_ANATOP_COUNT))) /* now the 480MHz USB clock is up, then configure fractional divider after PLL with PFD * pfd clock = 480MHz*18/N, where N=18~35 * Please note that USB1PFDCLK has to be less than 180MHz for RUN or HSRUN mode */ usbPhyBase->ANACTRL |= USBPHY_ANACTRL_PFD_FRAC(24); /* N=24 */ usbPhyBase->ANACTRL |= USBPHY_ANACTRL_PFD_CLK_SEL(1); /* div by 4 */ usbPhyBase->ANACTRL &= ~USBPHY_ANACTRL_DEV_PULLDOWN_MASK; usbPhyBase->ANACTRL &= ~USBPHY_ANACTRL_PFD_CLKGATE_MASK; while (!(usbPhyBase->ANACTRL & USBPHY_ANACTRL_PFD_STABLE_MASK)) { } #endif /* Decode to trim the nominal 17.78mA current source for the High Speed TX drivers on USB_DP and USB_DM. */ usbPhyBase->TX = ((usbPhyBase->TX & (~(USBPHY_TX_D_CAL_MASK | USBPHY_TX_TXCAL45DM_MASK | USBPHY_TX_TXCAL45DP_MASK))) | (USBPHY_TX_D_CAL(phyConfig->D_CAL) | USBPHY_TX_TXCAL45DP(phyConfig->TXCAL45DP) | USBPHY_TX_TXCAL45DM(phyConfig->TXCAL45DM))); #endif return kStatus_USB_Success; } /*! * @brief ehci phy de-initialization. * * This function de-initialize ehci phy IP. * * @param[in] controllerId ehci controller id, please reference to #usb_controller_index_t. */ void USB_EhciPhyDeinit(uint8_t controllerId) { #if ((defined FSL_FEATURE_SOC_USBPHY_COUNT) && (FSL_FEATURE_SOC_USBPHY_COUNT > 0U)) USBPHY_Type *usbPhyBase; usbPhyBase = (USBPHY_Type *)USB_EhciPhyGetBase(controllerId); if (NULL == usbPhyBase) { return; } #if ((!(defined FSL_FEATURE_SOC_CCM_ANALOG_COUNT)) && (!(defined FSL_FEATURE_SOC_ANATOP_COUNT))) usbPhyBase->PLL_SIC &= ~USBPHY_PLL_SIC_PLL_POWER_MASK; /* power down PLL */ usbPhyBase->PLL_SIC &= ~USBPHY_PLL_SIC_PLL_EN_USB_CLKS_MASK; /* disable USB clock output from USB PHY PLL */ #endif usbPhyBase->CTRL |= USBPHY_CTRL_CLKGATE_MASK; /* set to 1U to gate clocks */ #endif } /*! * @brief ehci phy disconnect detection enable or disable. * * This function enable/disable host ehci disconnect detection. * * @param[in] controllerId ehci controller id, please reference to #usb_controller_index_t. * @param[in] enable * 1U - enable; * 0U - disable; */ void USB_EhcihostPhyDisconnectDetectCmd(uint8_t controllerId, uint8_t enable) { #if ((defined FSL_FEATURE_SOC_USBPHY_COUNT) && (FSL_FEATURE_SOC_USBPHY_COUNT > 0U)) USBPHY_Type *usbPhyBase; usbPhyBase = (USBPHY_Type *)USB_EhciPhyGetBase(controllerId); if (NULL == usbPhyBase) { return; } if (enable) { usbPhyBase->CTRL |= USBPHY_CTRL_ENHOSTDISCONDETECT_MASK; } else { usbPhyBase->CTRL &= (~USBPHY_CTRL_ENHOSTDISCONDETECT_MASK); } #endif }