libs/rt-thread-official
libs
/
rt-thread-official
mirror of https://github.com/RT-Thread/rt-thread.git
4
0
Fork 0
Code Issues Releases Wiki Activity
rt-thread-official/bsp/imxrt/libraries/drivers/usb/phy/usb_phy.c

302 lines
11 KiB
C
Raw Blame History

/*
* 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 <usb/include/usb.h>
#include "fsl_device_registers.h"
#include <usb/phy/usb_phy.h>
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;
uint32_t *temp;
if (controllerId < (uint8_t)kUSB_ControllerEhci0)
{
return NULL;
}
if ((controllerId == (uint8_t)kUSB_ControllerEhci0) || (controllerId == (uint8_t)kUSB_ControllerEhci1))
{
controllerId = controllerId - (uint8_t)kUSB_ControllerEhci0;
}
else if ((controllerId == (uint8_t)kUSB_ControllerLpcIp3511Hs0) ||
(controllerId == (uint8_t)kUSB_ControllerLpcIp3511Hs1))
{
controllerId = controllerId - (uint8_t)kUSB_ControllerLpcIp3511Hs0;
}
else if ((controllerId == (uint8_t)kUSB_ControllerIp3516Hs0) || (controllerId == (uint8_t)kUSB_ControllerIp3516Hs1))
{
controllerId = controllerId - (uint8_t)kUSB_ControllerIp3516Hs0;
}
else
{
/*no action*/
}
for (instance = 0; instance < (sizeof(usbphy_base_temp) / sizeof(usbphy_base_temp[0])); instance++)
{
if (0U != usbphy_base_temp[instance])
{
usbphy_base[newinstance++] = usbphy_base_temp[instance];
}
}
if (controllerId > newinstance)
{
return NULL;
}
temp = (uint32_t *)usbphy_base[controllerId];
usbPhyBase = (void *)temp;
#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 (uint8_t)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 - (uint8_t)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;
if (((uint8_t)kUSB_ControllerIp3516Hs0 == controllerId) || ((uint8_t)kUSB_ControllerIp3516Hs1 == controllerId) ||
((uint8_t)kUSB_ControllerLpcIp3511Hs0 == controllerId) ||
((uint8_t)kUSB_ControllerLpcIp3511Hs1 == controllerId))
{
usbPhyBase->CTRL_SET = USBPHY_CTRL_SET_ENAUTOCLR_CLKGATE_MASK;
usbPhyBase->CTRL_SET = USBPHY_CTRL_SET_ENAUTOCLR_PHY_PWD_MASK;
}
if (NULL != phyConfig)
{
/* 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 (uint8_t)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 (uint8_t)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_CLR |= 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 USBPHY_ANACTRL_PFD_CLKGATE_MASK)
/* 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 (0U == (usbPhyBase->ANACTRL & USBPHY_ANACTRL_PFD_STABLE_MASK))
{
}
#endif
if (NULL != phyConfig)
{
/* 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 (uint8_t)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 (0U != enable)
{
usbPhyBase->CTRL |= USBPHY_CTRL_ENHOSTDISCONDETECT_MASK;
}
else
{
usbPhyBase->CTRL &= (~USBPHY_CTRL_ENHOSTDISCONDETECT_MASK);
}
#endif
}
#if ((defined FSL_FEATURE_SOC_USBPHY_COUNT) && (FSL_FEATURE_SOC_USBPHY_COUNT > 0U))
#if ((defined FSL_FEATURE_USBHSD_HAS_EXIT_HS_ISSUE) && (FSL_FEATURE_USBHSD_HAS_EXIT_HS_ISSUE > 0U))
void USB_PhyDeviceForceEnterFSMode(uint8_t controllerId, uint8_t enable)
{
USBPHY_Type *usbPhyBase;
usbPhyBase = (USBPHY_Type *)USB_EhciPhyGetBase(controllerId);
if (NULL == usbPhyBase)
{
return;
}
if (0U != enable)
{
uint32_t delay = 1000000;
usbPhyBase->DEBUG0_CLR = USBPHY_DEBUG0_CLKGATE_MASK;
while ((0U != (usbPhyBase->USB1_VBUS_DET_STAT & USBPHY_USB1_VBUS_DET_STAT_VBUS_VALID_3V_MASK)) && (0U != delay))
{
delay--;
}
usbPhyBase->USB1_LOOPBACK_SET = USBPHY_USB1_LOOPBACK_UTMI_TESTSTART_MASK;
}
else
{
usbPhyBase->DEBUG0_CLR = USBPHY_DEBUG0_CLKGATE_MASK;
usbPhyBase->USB1_LOOPBACK_CLR = USBPHY_USB1_LOOPBACK_UTMI_TESTSTART_MASK;
}
}
#endif
#endif
View Git Blame Copy Permalink