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zephyr/ext/hal/nxp/mcux/devices/MIMXRT1062/fsl_clock.c
Ryan QIAN a4633da9f5 ext: hal: nxp: mcux: Add device files for RT1060 
Add mcux 2.4.0 drivers and device header files for mimxrt1061 and
mimxrt1060. Updates several drivers that were already imported for
other SoCs but also apply to mimxrt1061 and mimxrt1062.

Origins: NXP MCUxpresso SDK 2.4.0
URL: mcuxpresso.nxp.com
Maintained-by: External

Signed-off-by: Ryan QIAN <jianghao.qian@nxp.com>
2018-09-26 18:14:22 -05:00

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/*
* Copyright 2018 NXP
* All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include "fsl_clock.h"
/* Component ID definition, used by tools. */
#ifndef FSL_COMPONENT_ID
#define FSL_COMPONENT_ID "platform.drivers.clock"
#endif
/*******************************************************************************
* Definitions
******************************************************************************/
/* To make full use of CM7 hardware FPU, use double instead of uint64_t in clock driver to
achieve better performance, it is depend on the IDE Floating point settings, if double precision is selected
in IDE, clock_64b_t will switch to double type automatically. only support IAR and MDK here */
#if __FPU_USED
#if ((defined(__ICCARM__)) || (defined(__GNUC__)))
#if (__ARMVFP__ >= __ARMFPV5__) && (__ARM_FP == 0xE) /*0xe implies support for half, single and double precision operations*/
typedef double clock_64b_t;
#else
typedef uint64_t clock_64b_t;
#endif
#elif defined(__CC_ARM)
#if defined __TARGET_FPU_FPV5_D16
typedef double clock_64b_t;
#else
typedef uint64_t clock_64b_t;
#endif
#else
typedef uint64_t clock_64b_t;
#endif
#else
typedef uint64_t clock_64b_t;
#endif
/*******************************************************************************
* Variables
******************************************************************************/
/* External XTAL (OSC) clock frequency. */
volatile uint32_t g_xtalFreq;
/* External RTC XTAL clock frequency. */
volatile uint32_t g_rtcXtalFreq;
/*******************************************************************************
* Prototypes
******************************************************************************/
/*!
* @brief Get the periph clock frequency.
*
* @return Periph clock frequency in Hz.
*/
static uint32_t CLOCK_GetPeriphClkFreq(void);
/*******************************************************************************
* Code
******************************************************************************/
static uint32_t CLOCK_GetPeriphClkFreq(void)
{
uint32_t freq;
/* Periph_clk2_clk ---> Periph_clk */
if (CCM->CBCDR & CCM_CBCDR_PERIPH_CLK_SEL_MASK)
{
switch (CCM->CBCMR & CCM_CBCMR_PERIPH_CLK2_SEL_MASK)
{
/* Pll3_sw_clk ---> Periph_clk2_clk ---> Periph_clk */
case CCM_CBCMR_PERIPH_CLK2_SEL(0U):
freq = CLOCK_GetPllFreq(kCLOCK_PllUsb1);
break;
/* Osc_clk ---> Periph_clk2_clk ---> Periph_clk */
case CCM_CBCMR_PERIPH_CLK2_SEL(1U):
freq = CLOCK_GetOscFreq();
break;
case CCM_CBCMR_PERIPH_CLK2_SEL(2U):
freq = CLOCK_GetPllFreq(kCLOCK_PllSys);
break;
case CCM_CBCMR_PERIPH_CLK2_SEL(3U):
default:
freq = 0U;
break;
}
freq /= (((CCM->CBCDR & CCM_CBCDR_PERIPH_CLK2_PODF_MASK) >> CCM_CBCDR_PERIPH_CLK2_PODF_SHIFT) + 1U);
}
/* Pre_Periph_clk ---> Periph_clk */
else
{
switch (CCM->CBCMR & CCM_CBCMR_PRE_PERIPH_CLK_SEL_MASK)
{
/* PLL2 ---> Pre_Periph_clk ---> Periph_clk */
case CCM_CBCMR_PRE_PERIPH_CLK_SEL(0U):
freq = CLOCK_GetPllFreq(kCLOCK_PllSys);
break;
/* PLL2 PFD2 ---> Pre_Periph_clk ---> Periph_clk */
case CCM_CBCMR_PRE_PERIPH_CLK_SEL(1U):
freq = CLOCK_GetSysPfdFreq(kCLOCK_Pfd2);
break;
/* PLL2 PFD0 ---> Pre_Periph_clk ---> Periph_clk */
case CCM_CBCMR_PRE_PERIPH_CLK_SEL(2U):
freq = CLOCK_GetSysPfdFreq(kCLOCK_Pfd0);
break;
/* PLL1 divided(/2) ---> Pre_Periph_clk ---> Periph_clk */
case CCM_CBCMR_PRE_PERIPH_CLK_SEL(3U):
freq = CLOCK_GetPllFreq(kCLOCK_PllArm) /
(((CCM->CACRR & CCM_CACRR_ARM_PODF_MASK) >> CCM_CACRR_ARM_PODF_SHIFT) + 1U);
break;
default:
freq = 0U;
break;
}
}
return freq;
}
/*!
* brief Initialize the external 24MHz clock.
*
* This function supports two modes:
* 1. Use external crystal oscillator.
* 2. Bypass the external crystal oscillator, using input source clock directly.
*
* After this function, please call ref CLOCK_SetXtal0Freq to inform clock driver
* the external clock frequency.
*
* param bypassXtalOsc Pass in true to bypass the external crystal oscillator.
* note This device does not support bypass external crystal oscillator, so
* the input parameter should always be false.
*/
void CLOCK_InitExternalClk(bool bypassXtalOsc)
{
/* This device does not support bypass XTAL OSC. */
assert(!bypassXtalOsc);
CCM_ANALOG->MISC0_CLR = CCM_ANALOG_MISC0_XTAL_24M_PWD_MASK; /* Power up */
while ((XTALOSC24M->LOWPWR_CTRL & XTALOSC24M_LOWPWR_CTRL_XTALOSC_PWRUP_STAT_MASK) == 0)
{
}
CCM_ANALOG->MISC0_SET = CCM_ANALOG_MISC0_OSC_XTALOK_EN_MASK; /* detect freq */
while ((CCM_ANALOG->MISC0 & CCM_ANALOG_MISC0_OSC_XTALOK_MASK) == 0)
{
}
CCM_ANALOG->MISC0_CLR = CCM_ANALOG_MISC0_OSC_XTALOK_EN_MASK;
}
/*!
* brief Deinitialize the external 24MHz clock.
*
* This function disables the external 24MHz clock.
*
* After this function, please call ref CLOCK_SetXtal0Freq to set external clock
* frequency to 0.
*/
void CLOCK_DeinitExternalClk(void)
{
CCM_ANALOG->MISC0_SET = CCM_ANALOG_MISC0_XTAL_24M_PWD_MASK; /* Power down */
}
/*!
* brief Switch the OSC.
*
* This function switches the OSC source for SoC.
*
* param osc OSC source to switch to.
*/
void CLOCK_SwitchOsc(clock_osc_t osc)
{
if (osc == kCLOCK_RcOsc)
XTALOSC24M->LOWPWR_CTRL_SET = XTALOSC24M_LOWPWR_CTRL_SET_OSC_SEL_MASK;
else
XTALOSC24M->LOWPWR_CTRL_CLR = XTALOSC24M_LOWPWR_CTRL_CLR_OSC_SEL_MASK;
}
/*!
* brief Initialize the RC oscillator 24MHz clock.
*/
void CLOCK_InitRcOsc24M(void)
{
XTALOSC24M->LOWPWR_CTRL |= XTALOSC24M_LOWPWR_CTRL_RC_OSC_EN_MASK;
}
/*!
* brief Power down the RCOSC 24M clock.
*/
void CLOCK_DeinitRcOsc24M(void)
{
XTALOSC24M->LOWPWR_CTRL &= ~XTALOSC24M_LOWPWR_CTRL_RC_OSC_EN_MASK;
}
/*!
* brief Gets the AHB clock frequency.
*
* return The AHB clock frequency value in hertz.
*/
uint32_t CLOCK_GetAhbFreq(void)
{
return CLOCK_GetPeriphClkFreq() / (((CCM->CBCDR & CCM_CBCDR_AHB_PODF_MASK) >> CCM_CBCDR_AHB_PODF_SHIFT) + 1U);
}
/*!
* brief Gets the SEMC clock frequency.
*
* return The SEMC clock frequency value in hertz.
*/
uint32_t CLOCK_GetSemcFreq(void)
{
uint32_t freq;
/* SEMC alternative clock ---> SEMC Clock */
if (CCM->CBCDR & CCM_CBCDR_SEMC_CLK_SEL_MASK)
{
/* PLL3 PFD1 ---> SEMC alternative clock ---> SEMC Clock */
if (CCM->CBCDR & CCM_CBCDR_SEMC_ALT_CLK_SEL_MASK)
{
freq = CLOCK_GetUsb1PfdFreq(kCLOCK_Pfd1);
}
/* PLL2 PFD2 ---> SEMC alternative clock ---> SEMC Clock */
else
{
freq = CLOCK_GetSysPfdFreq(kCLOCK_Pfd2);
}
}
/* Periph_clk ---> SEMC Clock */
else
{
freq = CLOCK_GetPeriphClkFreq();
}
freq /= (((CCM->CBCDR & CCM_CBCDR_SEMC_PODF_MASK) >> CCM_CBCDR_SEMC_PODF_SHIFT) + 1U);
return freq;
}
/*!
* brief Gets the IPG clock frequency.
*
* return The IPG clock frequency value in hertz.
*/
uint32_t CLOCK_GetIpgFreq(void)
{
return CLOCK_GetAhbFreq() / (((CCM->CBCDR & CCM_CBCDR_IPG_PODF_MASK) >> CCM_CBCDR_IPG_PODF_SHIFT) + 1U);
}
/*!
* brief Gets the PER clock frequency.
*
* return The PER clock frequency value in hertz.
*/
uint32_t CLOCK_GetPerClkFreq(void)
{
uint32_t freq;
/* Osc_clk ---> PER Clock*/
if (CCM->CSCMR1 & CCM_CSCMR1_PERCLK_CLK_SEL_MASK)
{
freq = CLOCK_GetOscFreq();
}
/* Periph_clk ---> AHB Clock ---> IPG Clock ---> PER Clock */
else
{
freq = CLOCK_GetFreq(kCLOCK_IpgClk);
}
freq /= (((CCM->CSCMR1 & CCM_CSCMR1_PERCLK_PODF_MASK) >> CCM_CSCMR1_PERCLK_PODF_SHIFT) + 1U);
return freq;
}
/*!
* brief Gets the clock frequency for a specific clock name.
*
* This function checks the current clock configurations and then calculates
* the clock frequency for a specific clock name defined in clock_name_t.
*
* param clockName Clock names defined in clock_name_t
* return Clock frequency value in hertz
*/
uint32_t CLOCK_GetFreq(clock_name_t name)
{
uint32_t freq;
switch (name)
{
case kCLOCK_CpuClk:
case kCLOCK_AhbClk:
freq = CLOCK_GetAhbFreq();
break;
case kCLOCK_SemcClk:
freq = CLOCK_GetSemcFreq();
break;
case kCLOCK_IpgClk:
freq = CLOCK_GetIpgFreq();
break;
case kCLOCK_PerClk:
freq = CLOCK_GetPerClkFreq();
break;
case kCLOCK_OscClk:
freq = CLOCK_GetOscFreq();
break;
case kCLOCK_RtcClk:
freq = CLOCK_GetRtcFreq();
break;
case kCLOCK_ArmPllClk:
freq = CLOCK_GetPllFreq(kCLOCK_PllArm);
break;
case kCLOCK_Usb1PllClk:
freq = CLOCK_GetPllFreq(kCLOCK_PllUsb1);
break;
case kCLOCK_Usb1PllPfd0Clk:
freq = CLOCK_GetUsb1PfdFreq(kCLOCK_Pfd0);
break;
case kCLOCK_Usb1PllPfd1Clk:
freq = CLOCK_GetUsb1PfdFreq(kCLOCK_Pfd1);
break;
case kCLOCK_Usb1PllPfd2Clk:
freq = CLOCK_GetUsb1PfdFreq(kCLOCK_Pfd2);
break;
case kCLOCK_Usb1PllPfd3Clk:
freq = CLOCK_GetUsb1PfdFreq(kCLOCK_Pfd3);
break;
case kCLOCK_Usb2PllClk:
freq = CLOCK_GetPllFreq(kCLOCK_PllUsb2);
break;
case kCLOCK_SysPllClk:
freq = CLOCK_GetPllFreq(kCLOCK_PllSys);
break;
case kCLOCK_SysPllPfd0Clk:
freq = CLOCK_GetSysPfdFreq(kCLOCK_Pfd0);
break;
case kCLOCK_SysPllPfd1Clk:
freq = CLOCK_GetSysPfdFreq(kCLOCK_Pfd1);
break;
case kCLOCK_SysPllPfd2Clk:
freq = CLOCK_GetSysPfdFreq(kCLOCK_Pfd2);
break;
case kCLOCK_SysPllPfd3Clk:
freq = CLOCK_GetSysPfdFreq(kCLOCK_Pfd3);
break;
case kCLOCK_EnetPll0Clk:
freq = CLOCK_GetPllFreq(kCLOCK_PllEnet);
break;
case kCLOCK_EnetPll1Clk:
freq = CLOCK_GetPllFreq(kCLOCK_PllEnet2);
break;
case kCLOCK_EnetPll2Clk:
freq = CLOCK_GetPllFreq(kCLOCK_PllEnet25M);
break;
case kCLOCK_AudioPllClk:
freq = CLOCK_GetPllFreq(kCLOCK_PllAudio);
break;
case kCLOCK_VideoPllClk:
freq = CLOCK_GetPllFreq(kCLOCK_PllVideo);
break;
default:
freq = 0U;
break;
}
return freq;
}
/*! brief Enable USB HS clock.
*
* This function only enables the access to USB HS prepheral, upper layer
* should first call the ref CLOCK_EnableUsbhs0PhyPllClock to enable the PHY
* clock to use USB HS.
*
* param src USB HS does not care about the clock source, here must be ref kCLOCK_UsbSrcUnused.
* param freq USB HS does not care about the clock source, so this parameter is ignored.
* retval true The clock is set successfully.
* retval false The clock source is invalid to get proper USB HS clock.
*/
bool CLOCK_EnableUsbhs0Clock(clock_usb_src_t src, uint32_t freq)
{
CCM->CCGR6 |= CCM_CCGR6_CG0_MASK;
USB1->USBCMD |= USBHS_USBCMD_RST_MASK;
for (volatile uint32_t i = 0; i < 400000;
i++) /* Add a delay between RST and RS so make sure there is a DP pullup sequence*/
{
__ASM("nop");
}
PMU->REG_3P0 = (PMU->REG_3P0 & (~PMU_REG_3P0_OUTPUT_TRG_MASK)) |
(PMU_REG_3P0_OUTPUT_TRG(0x17) | PMU_REG_3P0_ENABLE_LINREG_MASK);
return true;
}
/*! brief Enable USB HS clock.
*
* This function only enables the access to USB HS prepheral, upper layer
* should first call the ref CLOCK_EnableUsbhs0PhyPllClock to enable the PHY
* clock to use USB HS.
*
* param src USB HS does not care about the clock source, here must be ref kCLOCK_UsbSrcUnused.
* param freq USB HS does not care about the clock source, so this parameter is ignored.
* retval true The clock is set successfully.
* retval false The clock source is invalid to get proper USB HS clock.
*/
bool CLOCK_EnableUsbhs1Clock(clock_usb_src_t src, uint32_t freq)
{
CCM->CCGR6 |= CCM_CCGR6_CG0_MASK;
USB2->USBCMD |= USBHS_USBCMD_RST_MASK;
for (volatile uint32_t i = 0; i < 400000;
i++) /* Add a delay between RST and RS so make sure there is a DP pullup sequence*/
{
__ASM("nop");
}
PMU->REG_3P0 = (PMU->REG_3P0 & (~PMU_REG_3P0_OUTPUT_TRG_MASK)) |
(PMU_REG_3P0_OUTPUT_TRG(0x17) | PMU_REG_3P0_ENABLE_LINREG_MASK);
return true;
}
/*! brief Enable USB HS PHY PLL clock.
*
* This function enables the internal 480MHz USB PHY PLL clock.
*
* param src USB HS PHY PLL clock source.
* param freq The frequency specified by src.
* retval true The clock is set successfully.
* retval false The clock source is invalid to get proper USB HS clock.
*/
bool CLOCK_EnableUsbhs0PhyPllClock(clock_usb_phy_src_t src, uint32_t freq)
{
const clock_usb_pll_config_t g_ccmConfigUsbPll = {.loopDivider = 0U};
if (CCM_ANALOG->PLL_USB1 & CCM_ANALOG_PLL_USB1_ENABLE_MASK)
{
CCM_ANALOG->PLL_USB1 |= CCM_ANALOG_PLL_USB1_EN_USB_CLKS_MASK;
}
else
{
CLOCK_InitUsb1Pll(&g_ccmConfigUsbPll);
}
USBPHY1->CTRL &= ~USBPHY_CTRL_SFTRST_MASK; /* release PHY from reset */
USBPHY1->CTRL &= ~USBPHY_CTRL_CLKGATE_MASK;
USBPHY1->PWD = 0;
USBPHY1->CTRL |= USBPHY_CTRL_ENAUTOCLR_PHY_PWD_MASK | USBPHY_CTRL_ENAUTOCLR_CLKGATE_MASK |
USBPHY_CTRL_ENUTMILEVEL2_MASK | USBPHY_CTRL_ENUTMILEVEL3_MASK;
return true;
}
/*! brief Disable USB HS PHY PLL clock.
*
* This function disables USB HS PHY PLL clock.
*/
void CLOCK_DisableUsbhs0PhyPllClock(void)
{
CCM_ANALOG->PLL_USB1 &= ~CCM_ANALOG_PLL_USB1_EN_USB_CLKS_MASK;
USBPHY1->CTRL |= USBPHY_CTRL_CLKGATE_MASK; /* Set to 1U to gate clocks */
}
/*!
* brief Initialize the ARM PLL.
*
* This function initialize the ARM PLL with specific settings
*
* param config configuration to set to PLL.
*/
void CLOCK_InitArmPll(const clock_arm_pll_config_t *config)
{
/* Bypass PLL first */
CCM_ANALOG->PLL_ARM = (CCM_ANALOG->PLL_ARM & (~CCM_ANALOG_PLL_ARM_BYPASS_CLK_SRC_MASK)) |
CCM_ANALOG_PLL_ARM_BYPASS_MASK | CCM_ANALOG_PLL_ARM_BYPASS_CLK_SRC(config->src);
CCM_ANALOG->PLL_ARM =
(CCM_ANALOG->PLL_ARM & (~(CCM_ANALOG_PLL_ARM_DIV_SELECT_MASK | CCM_ANALOG_PLL_ARM_POWERDOWN_MASK))) |
CCM_ANALOG_PLL_ARM_ENABLE_MASK | CCM_ANALOG_PLL_ARM_DIV_SELECT(config->loopDivider);
while ((CCM_ANALOG->PLL_ARM & CCM_ANALOG_PLL_ARM_LOCK_MASK) == 0)
{
}
/* Disable Bypass */
CCM_ANALOG->PLL_ARM &= ~CCM_ANALOG_PLL_ARM_BYPASS_MASK;
}
/*!
* brief De-initialize the ARM PLL.
*/
void CLOCK_DeinitArmPll(void)
{
CCM_ANALOG->PLL_ARM = CCM_ANALOG_PLL_ARM_POWERDOWN_MASK;
}
/*!
* brief Initialize the System PLL.
*
* This function initializes the System PLL with specific settings
*
* param config Configuration to set to PLL.
*/
void CLOCK_InitSysPll(const clock_sys_pll_config_t *config)
{
/* Bypass PLL first */
CCM_ANALOG->PLL_SYS = (CCM_ANALOG->PLL_SYS & (~CCM_ANALOG_PLL_SYS_BYPASS_CLK_SRC_MASK)) |
CCM_ANALOG_PLL_SYS_BYPASS_MASK | CCM_ANALOG_PLL_SYS_BYPASS_CLK_SRC(config->src);
CCM_ANALOG->PLL_SYS =
(CCM_ANALOG->PLL_SYS & (~(CCM_ANALOG_PLL_SYS_DIV_SELECT_MASK | CCM_ANALOG_PLL_SYS_POWERDOWN_MASK))) |
CCM_ANALOG_PLL_SYS_ENABLE_MASK | CCM_ANALOG_PLL_SYS_DIV_SELECT(config->loopDivider);
while ((CCM_ANALOG->PLL_SYS & CCM_ANALOG_PLL_SYS_LOCK_MASK) == 0)
{
}
/* Disable Bypass */
CCM_ANALOG->PLL_SYS &= ~CCM_ANALOG_PLL_SYS_BYPASS_MASK;
}
/*!
* brief De-initialize the System PLL.
*/
void CLOCK_DeinitSysPll(void)
{
CCM_ANALOG->PLL_SYS = CCM_ANALOG_PLL_SYS_POWERDOWN_MASK;
}
/*!
* brief Initialize the USB1 PLL.
*
* This function initializes the USB1 PLL with specific settings
*
* param config Configuration to set to PLL.
*/
void CLOCK_InitUsb1Pll(const clock_usb_pll_config_t *config)
{
/* Bypass PLL first */
CCM_ANALOG->PLL_USB1 = (CCM_ANALOG->PLL_USB1 & (~CCM_ANALOG_PLL_USB1_BYPASS_CLK_SRC_MASK)) |
CCM_ANALOG_PLL_USB1_BYPASS_MASK | CCM_ANALOG_PLL_USB1_BYPASS_CLK_SRC(config->src);
CCM_ANALOG->PLL_USB1 = (CCM_ANALOG->PLL_USB1 & (~CCM_ANALOG_PLL_USB1_DIV_SELECT_MASK)) |
CCM_ANALOG_PLL_USB1_ENABLE_MASK | CCM_ANALOG_PLL_USB1_POWER_MASK |
CCM_ANALOG_PLL_USB1_EN_USB_CLKS_MASK | CCM_ANALOG_PLL_USB1_DIV_SELECT(config->loopDivider);
while ((CCM_ANALOG->PLL_USB1 & CCM_ANALOG_PLL_USB1_LOCK_MASK) == 0)
{
}
/* Disable Bypass */
CCM_ANALOG->PLL_USB1 &= ~CCM_ANALOG_PLL_USB1_BYPASS_MASK;
}
/*!
* brief Deinitialize the USB1 PLL.
*/
void CLOCK_DeinitUsb1Pll(void)
{
CCM_ANALOG->PLL_USB1 = 0U;
}
/*!
* brief Initialize the USB2 PLL.
*
* This function initializes the USB2 PLL with specific settings
*
* param config Configuration to set to PLL.
*/
void CLOCK_InitUsb2Pll(const clock_usb_pll_config_t *config)
{
/* Bypass PLL first */
CCM_ANALOG->PLL_USB2 = (CCM_ANALOG->PLL_USB2 & (~CCM_ANALOG_PLL_USB2_BYPASS_CLK_SRC_MASK)) |
CCM_ANALOG_PLL_USB2_BYPASS_MASK | CCM_ANALOG_PLL_USB2_BYPASS_CLK_SRC(config->src);
CCM_ANALOG->PLL_USB2 = (CCM_ANALOG->PLL_USB2 & (~CCM_ANALOG_PLL_USB2_DIV_SELECT_MASK)) |
CCM_ANALOG_PLL_USB2_ENABLE_MASK | CCM_ANALOG_PLL_USB2_POWER_MASK |
CCM_ANALOG_PLL_USB2_EN_USB_CLKS_MASK | CCM_ANALOG_PLL_USB2_DIV_SELECT(config->loopDivider);
while ((CCM_ANALOG->PLL_USB2 & CCM_ANALOG_PLL_USB2_LOCK_MASK) == 0)
{
}
/* Disable Bypass */
CCM_ANALOG->PLL_USB2 &= ~CCM_ANALOG_PLL_USB2_BYPASS_MASK;
}
/*!
* brief Deinitialize the USB2 PLL.
*/
void CLOCK_DeinitUsb2Pll(void)
{
CCM_ANALOG->PLL_USB2 = 0U;
}
/*!
* brief Initializes the Audio PLL.
*
* This function initializes the Audio PLL with specific settings
*
* param config Configuration to set to PLL.
*/
void CLOCK_InitAudioPll(const clock_audio_pll_config_t *config)
{
uint32_t pllAudio;
uint32_t misc2 = 0;
/* Bypass PLL first */
CCM_ANALOG->PLL_AUDIO = (CCM_ANALOG->PLL_AUDIO & (~CCM_ANALOG_PLL_AUDIO_BYPASS_CLK_SRC_MASK)) |
CCM_ANALOG_PLL_AUDIO_BYPASS_MASK | CCM_ANALOG_PLL_AUDIO_BYPASS_CLK_SRC(config->src);
CCM_ANALOG->PLL_AUDIO_NUM = CCM_ANALOG_PLL_AUDIO_NUM_A(config->numerator);
CCM_ANALOG->PLL_AUDIO_DENOM = CCM_ANALOG_PLL_AUDIO_DENOM_B(config->denominator);
/*
* Set post divider:
*
* ------------------------------------------------------------------------
* | config->postDivider | PLL_AUDIO[POST_DIV_SELECT] | MISC2[AUDIO_DIV] |
* ------------------------------------------------------------------------
* | 1 | 2 | 0 |
* ------------------------------------------------------------------------
* | 2 | 1 | 0 |
* ------------------------------------------------------------------------
* | 4 | 2 | 3 |
* ------------------------------------------------------------------------
* | 8 | 1 | 3 |
* ------------------------------------------------------------------------
* | 16 | 0 | 3 |
* ------------------------------------------------------------------------
*/
pllAudio =
(CCM_ANALOG->PLL_AUDIO & (~(CCM_ANALOG_PLL_AUDIO_DIV_SELECT_MASK | CCM_ANALOG_PLL_AUDIO_POWERDOWN_MASK))) |
CCM_ANALOG_PLL_AUDIO_ENABLE_MASK | CCM_ANALOG_PLL_AUDIO_DIV_SELECT(config->loopDivider);
switch (config->postDivider)
{
case 16:
pllAudio |= CCM_ANALOG_PLL_AUDIO_POST_DIV_SELECT(0);
misc2 = CCM_ANALOG_MISC2_AUDIO_DIV_MSB_MASK | CCM_ANALOG_MISC2_AUDIO_DIV_LSB_MASK;
break;
case 8:
pllAudio |= CCM_ANALOG_PLL_AUDIO_POST_DIV_SELECT(1);
misc2 = CCM_ANALOG_MISC2_AUDIO_DIV_MSB_MASK | CCM_ANALOG_MISC2_AUDIO_DIV_LSB_MASK;
break;
case 4:
pllAudio |= CCM_ANALOG_PLL_AUDIO_POST_DIV_SELECT(2);
misc2 = CCM_ANALOG_MISC2_AUDIO_DIV_MSB_MASK | CCM_ANALOG_MISC2_AUDIO_DIV_LSB_MASK;
break;
case 2:
pllAudio |= CCM_ANALOG_PLL_AUDIO_POST_DIV_SELECT(1);
break;
default:
pllAudio |= CCM_ANALOG_PLL_AUDIO_POST_DIV_SELECT(2);
break;
}
CCM_ANALOG->MISC2 =
(CCM_ANALOG->MISC2 & ~(CCM_ANALOG_MISC2_AUDIO_DIV_LSB_MASK | CCM_ANALOG_MISC2_AUDIO_DIV_MSB_MASK)) | misc2;
CCM_ANALOG->PLL_AUDIO = pllAudio;
while ((CCM_ANALOG->PLL_AUDIO & CCM_ANALOG_PLL_AUDIO_LOCK_MASK) == 0)
{
}
/* Disable Bypass */
CCM_ANALOG->PLL_AUDIO &= ~CCM_ANALOG_PLL_AUDIO_BYPASS_MASK;
}
/*!
* brief De-initialize the Audio PLL.
*/
void CLOCK_DeinitAudioPll(void)
{
CCM_ANALOG->PLL_AUDIO = CCM_ANALOG_PLL_AUDIO_POWERDOWN_MASK;
}
/*!
* brief Initialize the video PLL.
*
* This function configures the Video PLL with specific settings
*
* param config configuration to set to PLL.
*/
void CLOCK_InitVideoPll(const clock_video_pll_config_t *config)
{
uint32_t pllVideo;
uint32_t misc2 = 0;
/* Bypass PLL first */
CCM_ANALOG->PLL_VIDEO = (CCM_ANALOG->PLL_VIDEO & (~CCM_ANALOG_PLL_VIDEO_BYPASS_CLK_SRC_MASK)) |
CCM_ANALOG_PLL_VIDEO_BYPASS_MASK | CCM_ANALOG_PLL_VIDEO_BYPASS_CLK_SRC(config->src);
CCM_ANALOG->PLL_VIDEO_NUM = CCM_ANALOG_PLL_VIDEO_NUM_A(config->numerator);
CCM_ANALOG->PLL_VIDEO_DENOM = CCM_ANALOG_PLL_VIDEO_DENOM_B(config->denominator);
/*
* Set post divider:
*
* ------------------------------------------------------------------------
* | config->postDivider | PLL_VIDEO[POST_DIV_SELECT] | MISC2[VIDEO_DIV] |
* ------------------------------------------------------------------------
* | 1 | 2 | 0 |
* ------------------------------------------------------------------------
* | 2 | 1 | 0 |
* ------------------------------------------------------------------------
* | 4 | 2 | 3 |
* ------------------------------------------------------------------------
* | 8 | 1 | 3 |
* ------------------------------------------------------------------------
* | 16 | 0 | 3 |
* ------------------------------------------------------------------------
*/
pllVideo =
(CCM_ANALOG->PLL_VIDEO & (~(CCM_ANALOG_PLL_VIDEO_DIV_SELECT_MASK | CCM_ANALOG_PLL_VIDEO_POWERDOWN_MASK))) |
CCM_ANALOG_PLL_VIDEO_ENABLE_MASK | CCM_ANALOG_PLL_VIDEO_DIV_SELECT(config->loopDivider);
switch (config->postDivider)
{
case 16:
pllVideo |= CCM_ANALOG_PLL_VIDEO_POST_DIV_SELECT(0);
misc2 = CCM_ANALOG_MISC2_VIDEO_DIV(3);
break;
case 8:
pllVideo |= CCM_ANALOG_PLL_VIDEO_POST_DIV_SELECT(1);
misc2 = CCM_ANALOG_MISC2_VIDEO_DIV(3);
break;
case 4:
pllVideo |= CCM_ANALOG_PLL_VIDEO_POST_DIV_SELECT(2);
misc2 = CCM_ANALOG_MISC2_VIDEO_DIV(3);
break;
case 2:
pllVideo |= CCM_ANALOG_PLL_VIDEO_POST_DIV_SELECT(1);
break;
default:
pllVideo |= CCM_ANALOG_PLL_VIDEO_POST_DIV_SELECT(2);
break;
}
CCM_ANALOG->MISC2 = (CCM_ANALOG->MISC2 & ~CCM_ANALOG_MISC2_VIDEO_DIV_MASK) | misc2;
CCM_ANALOG->PLL_VIDEO = pllVideo;
while ((CCM_ANALOG->PLL_VIDEO & CCM_ANALOG_PLL_VIDEO_LOCK_MASK) == 0)
{
}
/* Disable Bypass */
CCM_ANALOG->PLL_VIDEO &= ~CCM_ANALOG_PLL_VIDEO_BYPASS_MASK;
}
/*!
* brief De-initialize the Video PLL.
*/
void CLOCK_DeinitVideoPll(void)
{
CCM_ANALOG->PLL_VIDEO = CCM_ANALOG_PLL_VIDEO_POWERDOWN_MASK;
}
/*!
* brief Initialize the ENET PLL.
*
* This function initializes the ENET PLL with specific settings.
*
* param config Configuration to set to PLL.
*/
void CLOCK_InitEnetPll(const clock_enet_pll_config_t *config)
{
uint32_t enet_pll = CCM_ANALOG_PLL_ENET_DIV_SELECT(config->loopDivider) |
CCM_ANALOG_PLL_ENET_ENET2_DIV_SELECT(config->loopDivider1);
CCM_ANALOG->PLL_ENET = (CCM_ANALOG->PLL_ENET & (~CCM_ANALOG_PLL_ENET_BYPASS_CLK_SRC_MASK)) |
CCM_ANALOG_PLL_ENET_BYPASS_MASK | CCM_ANALOG_PLL_ENET_BYPASS_CLK_SRC(config->src);
if (config->enableClkOutput)
{
enet_pll |= CCM_ANALOG_PLL_ENET_ENABLE_MASK;
}
if (config->enableClkOutput1)
{
enet_pll |= CCM_ANALOG_PLL_ENET_ENET2_REF_EN_MASK;
}
if (config->enableClkOutput25M)
{
enet_pll |= CCM_ANALOG_PLL_ENET_ENET_25M_REF_EN_MASK;
}
CCM_ANALOG->PLL_ENET =
(CCM_ANALOG->PLL_ENET & (~(CCM_ANALOG_PLL_ENET_DIV_SELECT_MASK | CCM_ANALOG_PLL_ENET_ENET2_DIV_SELECT_MASK |
CCM_ANALOG_PLL_ENET_POWERDOWN_MASK))) | enet_pll;
/* Wait for stable */
while ((CCM_ANALOG->PLL_ENET & CCM_ANALOG_PLL_ENET_LOCK_MASK) == 0)
{
}
/* Disable Bypass */
CCM_ANALOG->PLL_ENET &= ~CCM_ANALOG_PLL_ENET_BYPASS_MASK;
}
/*!
* brief Deinitialize the ENET PLL.
*
* This function disables the ENET PLL.
*/
void CLOCK_DeinitEnetPll(void)
{
CCM_ANALOG->PLL_ENET = CCM_ANALOG_PLL_ENET_POWERDOWN_MASK;
}
/*!
* brief Get current PLL output frequency.
*
* This function get current output frequency of specific PLL
*
* param pll pll name to get frequency.
* return The PLL output frequency in hertz.
*/
uint32_t CLOCK_GetPllFreq(clock_pll_t pll)
{
uint32_t freq;
uint32_t divSelect;
clock_64b_t freqTmp;
const uint32_t enetRefClkFreq[] = {
25000000U, /* 25M */
50000000U, /* 50M */
100000000U, /* 100M */
125000000U /* 125M */
};
/* check if PLL is enabled */
if (!CLOCK_IsPllEnabled(CCM_ANALOG, pll))
{
return 0U;
}
/* get pll reference clock */
freq = CLOCK_GetPllBypassRefClk(CCM_ANALOG, pll);
/* check if pll is bypassed */
if (CLOCK_IsPllBypassed(CCM_ANALOG, pll))
{
return freq;
}
switch (pll)
{
case kCLOCK_PllArm:
freq = ((freq * ((CCM_ANALOG->PLL_ARM & CCM_ANALOG_PLL_ARM_DIV_SELECT_MASK) >>
CCM_ANALOG_PLL_ARM_DIV_SELECT_SHIFT)) >>
1U);
break;
case kCLOCK_PllSys:
/* PLL output frequency = Fref * (DIV_SELECT + NUM/DENOM). */
freqTmp =
((clock_64b_t)freq * ((clock_64b_t)(CCM_ANALOG->PLL_SYS_NUM))) / ((clock_64b_t)(CCM_ANALOG->PLL_SYS_DENOM));
if (CCM_ANALOG->PLL_SYS & CCM_ANALOG_PLL_SYS_DIV_SELECT_MASK)
{
freq *= 22U;
}
else
{
freq *= 20U;
}
freq += (uint32_t)freqTmp;
break;
case kCLOCK_PllUsb1:
freq = (freq * ((CCM_ANALOG->PLL_USB1 & CCM_ANALOG_PLL_USB1_DIV_SELECT_MASK) ? 22U : 20U));
break;
case kCLOCK_PllAudio:
/* PLL output frequency = Fref * (DIV_SELECT + NUM/DENOM). */
divSelect =
(CCM_ANALOG->PLL_AUDIO & CCM_ANALOG_PLL_AUDIO_DIV_SELECT_MASK) >> CCM_ANALOG_PLL_AUDIO_DIV_SELECT_SHIFT;
freqTmp =
((clock_64b_t)freq * ((clock_64b_t)(CCM_ANALOG->PLL_AUDIO_NUM))) / ((clock_64b_t)(CCM_ANALOG->PLL_AUDIO_DENOM));
freq = freq * divSelect + (uint32_t)freqTmp;
/* AUDIO PLL output = PLL output frequency / POSTDIV. */
/*
* Post divider:
*
* PLL_AUDIO[POST_DIV_SELECT]:
* 0x00: 4
* 0x01: 2
* 0x02: 1
*
* MISC2[AUDO_DIV]:
* 0x00: 1
* 0x01: 2
* 0x02: 1
* 0x03: 4
*/
switch (CCM_ANALOG->PLL_AUDIO & CCM_ANALOG_PLL_AUDIO_POST_DIV_SELECT_MASK)
{
case CCM_ANALOG_PLL_AUDIO_POST_DIV_SELECT(0U):
freq = freq >> 2U;
break;
case CCM_ANALOG_PLL_AUDIO_POST_DIV_SELECT(1U):
freq = freq >> 1U;
break;
default:
break;
}
switch (CCM_ANALOG->MISC2 & (CCM_ANALOG_MISC2_AUDIO_DIV_MSB_MASK | CCM_ANALOG_MISC2_AUDIO_DIV_LSB_MASK))
{
case CCM_ANALOG_MISC2_AUDIO_DIV_MSB(1) | CCM_ANALOG_MISC2_AUDIO_DIV_LSB(1):
freq >>= 2U;
break;
case CCM_ANALOG_MISC2_AUDIO_DIV_MSB(0) | CCM_ANALOG_MISC2_AUDIO_DIV_LSB(1):
freq >>= 1U;
break;
default:
break;
}
break;
case kCLOCK_PllVideo:
/* PLL output frequency = Fref * (DIV_SELECT + NUM/DENOM). */
divSelect =
(CCM_ANALOG->PLL_VIDEO & CCM_ANALOG_PLL_VIDEO_DIV_SELECT_MASK) >> CCM_ANALOG_PLL_VIDEO_DIV_SELECT_SHIFT;
freqTmp =
((clock_64b_t)freq * ((clock_64b_t)(CCM_ANALOG->PLL_VIDEO_NUM))) / ((clock_64b_t)(CCM_ANALOG->PLL_VIDEO_DENOM));
freq = freq * divSelect + (uint32_t)freqTmp;
/* VIDEO PLL output = PLL output frequency / POSTDIV. */
/*
* Post divider:
*
* PLL_VIDEO[POST_DIV_SELECT]:
* 0x00: 4
* 0x01: 2
* 0x02: 1
*
* MISC2[VIDEO_DIV]:
* 0x00: 1
* 0x01: 2
* 0x02: 1
* 0x03: 4
*/
switch (CCM_ANALOG->PLL_VIDEO & CCM_ANALOG_PLL_VIDEO_POST_DIV_SELECT_MASK)
{
case CCM_ANALOG_PLL_VIDEO_POST_DIV_SELECT(0U):
freq = freq >> 2U;
break;
case CCM_ANALOG_PLL_VIDEO_POST_DIV_SELECT(1U):
freq = freq >> 1U;
break;
default:
break;
}
switch (CCM_ANALOG->MISC2 & CCM_ANALOG_MISC2_VIDEO_DIV_MASK)
{
case CCM_ANALOG_MISC2_VIDEO_DIV(3):
freq >>= 2U;
break;
case CCM_ANALOG_MISC2_VIDEO_DIV(1):
freq >>= 1U;
break;
default:
break;
}
break;
case kCLOCK_PllEnet:
divSelect =
(CCM_ANALOG->PLL_ENET & CCM_ANALOG_PLL_ENET_DIV_SELECT_MASK) >> CCM_ANALOG_PLL_ENET_DIV_SELECT_SHIFT;
freq = enetRefClkFreq[divSelect];
break;
case kCLOCK_PllEnet2:
divSelect = (CCM_ANALOG->PLL_ENET & CCM_ANALOG_PLL_ENET_ENET2_DIV_SELECT_MASK) >>
CCM_ANALOG_PLL_ENET_ENET2_DIV_SELECT_SHIFT;
freq = enetRefClkFreq[divSelect];
break;
case kCLOCK_PllEnet25M:
/* ref_enetpll1 if fixed at 25MHz. */
freq = 25000000UL;
break;
case kCLOCK_PllUsb2:
freq = (freq * ((CCM_ANALOG->PLL_USB2 & CCM_ANALOG_PLL_USB2_DIV_SELECT_MASK) ? 22U : 20U));
break;
default:
freq = 0U;
break;
}
return freq;
}
/*!
* brief Initialize the System PLL PFD.
*
* This function initializes the System PLL PFD. During new value setting,
* the clock output is disabled to prevent glitch.
*
* param pfd Which PFD clock to enable.
* param pfdFrac The PFD FRAC value.
* note It is recommended that PFD settings are kept between 12-35.
*/
void CLOCK_InitSysPfd(clock_pfd_t pfd, uint8_t pfdFrac)
{
uint32_t pfdIndex = (uint32_t)pfd;
uint32_t pfd528;
pfd528 = CCM_ANALOG->PFD_528 &
~((CCM_ANALOG_PFD_528_PFD0_CLKGATE_MASK | CCM_ANALOG_PFD_528_PFD0_FRAC_MASK) << (8 * pfdIndex));
/* Disable the clock output first. */
CCM_ANALOG->PFD_528 = pfd528 | (CCM_ANALOG_PFD_528_PFD0_CLKGATE_MASK << (8 * pfdIndex));
/* Set the new value and enable output. */
CCM_ANALOG->PFD_528 = pfd528 | (CCM_ANALOG_PFD_528_PFD0_FRAC(pfdFrac) << (8 * pfdIndex));
}
/*!
* brief De-initialize the System PLL PFD.
*
* This function disables the System PLL PFD.
*
* param pfd Which PFD clock to disable.
*/
void CLOCK_DeinitSysPfd(clock_pfd_t pfd)
{
CCM_ANALOG->PFD_528 |= CCM_ANALOG_PFD_528_PFD0_CLKGATE_MASK << (8 * pfd);
}
/*!
* brief Initialize the USB1 PLL PFD.
*
* This function initializes the USB1 PLL PFD. During new value setting,
* the clock output is disabled to prevent glitch.
*
* param pfd Which PFD clock to enable.
* param pfdFrac The PFD FRAC value.
* note It is recommended that PFD settings are kept between 12-35.
*/
void CLOCK_InitUsb1Pfd(clock_pfd_t pfd, uint8_t pfdFrac)
{
uint32_t pfdIndex = (uint32_t)pfd;
uint32_t pfd480;
pfd480 = CCM_ANALOG->PFD_480 &
~((CCM_ANALOG_PFD_480_PFD0_CLKGATE_MASK | CCM_ANALOG_PFD_480_PFD0_FRAC_MASK) << (8 * pfdIndex));
/* Disable the clock output first. */
CCM_ANALOG->PFD_480 = pfd480 | (CCM_ANALOG_PFD_480_PFD0_CLKGATE_MASK << (8 * pfdIndex));
/* Set the new value and enable output. */
CCM_ANALOG->PFD_480 = pfd480 | (CCM_ANALOG_PFD_480_PFD0_FRAC(pfdFrac) << (8 * pfdIndex));
}
/*!
* brief De-initialize the USB1 PLL PFD.
*
* This function disables the USB1 PLL PFD.
*
* param pfd Which PFD clock to disable.
*/
void CLOCK_DeinitUsb1Pfd(clock_pfd_t pfd)
{
CCM_ANALOG->PFD_480 |= CCM_ANALOG_PFD_480_PFD0_CLKGATE_MASK << (8 * pfd);
}
/*!
* brief Get current System PLL PFD output frequency.
*
* This function get current output frequency of specific System PLL PFD
*
* param pfd pfd name to get frequency.
* return The PFD output frequency in hertz.
*/
uint32_t CLOCK_GetSysPfdFreq(clock_pfd_t pfd)
{
uint32_t freq = CLOCK_GetPllFreq(kCLOCK_PllSys);
switch (pfd)
{
case kCLOCK_Pfd0:
freq /= ((CCM_ANALOG->PFD_528 & CCM_ANALOG_PFD_528_PFD0_FRAC_MASK) >> CCM_ANALOG_PFD_528_PFD0_FRAC_SHIFT);
break;
case kCLOCK_Pfd1:
freq /= ((CCM_ANALOG->PFD_528 & CCM_ANALOG_PFD_528_PFD1_FRAC_MASK) >> CCM_ANALOG_PFD_528_PFD1_FRAC_SHIFT);
break;
case kCLOCK_Pfd2:
freq /= ((CCM_ANALOG->PFD_528 & CCM_ANALOG_PFD_528_PFD2_FRAC_MASK) >> CCM_ANALOG_PFD_528_PFD2_FRAC_SHIFT);
break;
case kCLOCK_Pfd3:
freq /= ((CCM_ANALOG->PFD_528 & CCM_ANALOG_PFD_528_PFD3_FRAC_MASK) >> CCM_ANALOG_PFD_528_PFD3_FRAC_SHIFT);
break;
default:
freq = 0U;
break;
}
freq *= 18U;
return freq;
}
/*!
* brief Get current USB1 PLL PFD output frequency.
*
* This function get current output frequency of specific USB1 PLL PFD
*
* param pfd pfd name to get frequency.
* return The PFD output frequency in hertz.
*/
uint32_t CLOCK_GetUsb1PfdFreq(clock_pfd_t pfd)
{
uint32_t freq = CLOCK_GetPllFreq(kCLOCK_PllUsb1);
switch (pfd)
{
case kCLOCK_Pfd0:
freq /= ((CCM_ANALOG->PFD_480 & CCM_ANALOG_PFD_480_PFD0_FRAC_MASK) >> CCM_ANALOG_PFD_480_PFD0_FRAC_SHIFT);
break;
case kCLOCK_Pfd1:
freq /= ((CCM_ANALOG->PFD_480 & CCM_ANALOG_PFD_480_PFD1_FRAC_MASK) >> CCM_ANALOG_PFD_480_PFD1_FRAC_SHIFT);
break;
case kCLOCK_Pfd2:
freq /= ((CCM_ANALOG->PFD_480 & CCM_ANALOG_PFD_480_PFD2_FRAC_MASK) >> CCM_ANALOG_PFD_480_PFD2_FRAC_SHIFT);
break;
case kCLOCK_Pfd3:
freq /= ((CCM_ANALOG->PFD_480 & CCM_ANALOG_PFD_480_PFD3_FRAC_MASK) >> CCM_ANALOG_PFD_480_PFD3_FRAC_SHIFT);
break;
default:
freq = 0U;
break;
}
freq *= 18U;
return freq;
}
/*! brief Enable USB HS PHY PLL clock.
*
* This function enables the internal 480MHz USB PHY PLL clock.
*
* param src USB HS PHY PLL clock source.
* param freq The frequency specified by src.
* retval true The clock is set successfully.
* retval false The clock source is invalid to get proper USB HS clock.
*/
bool CLOCK_EnableUsbhs1PhyPllClock(clock_usb_phy_src_t src, uint32_t freq)
{
const clock_usb_pll_config_t g_ccmConfigUsbPll = {.loopDivider = 0U};
CLOCK_InitUsb2Pll(&g_ccmConfigUsbPll);
USBPHY2->CTRL &= ~USBPHY_CTRL_SFTRST_MASK; /* release PHY from reset */
USBPHY2->CTRL &= ~USBPHY_CTRL_CLKGATE_MASK;
USBPHY2->PWD = 0;
USBPHY2->CTRL |= USBPHY_CTRL_ENAUTOCLR_PHY_PWD_MASK | USBPHY_CTRL_ENAUTOCLR_CLKGATE_MASK |
USBPHY_CTRL_ENUTMILEVEL2_MASK | USBPHY_CTRL_ENUTMILEVEL3_MASK;
return true;
}
/*! brief Disable USB HS PHY PLL clock.
*
* This function disables USB HS PHY PLL clock.
*/
void CLOCK_DisableUsbhs1PhyPllClock(void)
{
CCM_ANALOG->PLL_USB2 &= ~CCM_ANALOG_PLL_USB2_EN_USB_CLKS_MASK;
USBPHY2->CTRL |= USBPHY_CTRL_CLKGATE_MASK; /* Set to 1U to gate clocks */
}
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