/*FUNCTION**********************************************************************
*
* Function Name : CLOCK_SYS_GetUsbFreq
* Description : Gets the clock frequency for USB FS OTG module.
* This function gets the clock frequency for USB FS OTG moudle.
*
*END**************************************************************************/
uint32_t CLOCK_SYS_GetUsbFreq(uint32_t instance)
{
(void) instance;
uint32_t freq = 0;
uint8_t setting;
clock_names_t clockName;
uint32_t frac = 0;
uint32_t divider = 0;
/* get the sim clock source setting*/
if (CLOCK_HAL_GetSource(g_simBaseAddr[0], kClockUsbSrc, &setting) != kSimHalSuccess)
{
return freq;
}
switch ((sim_usb_clock_source_t)setting)
{
case kSimUsbSrcClkIn: /* Core/system clock */
clockName = kUSB_CLKIN;
break;
case kSimUsbSrcPllFllSel: /* clock as selected by SOPT2[PLLFLLSEL]. */
/* get the sim clock source setting*/
if (CLOCK_HAL_GetSource(g_simBaseAddr[0], kClockPllfllSel, &setting) != kSimHalSuccess)
{
return freq;
}
switch ((sim_pllfll_clock_sel_t)setting)
{
case kSimPllFllSelFll: /* Fll clock */
clockName = kMcgFllClock;
break;
case kSimPllFllSelPll: /* Pll0 clock */
clockName = kMcgPll0Clock;
break;
default:
clockName = kReserved;
break;
}
break;
default:
clockName = kReserved;
break;
}
/* Get ref clock freq */
CLOCK_SYS_GetFreq(clockName, &freq);
/* Get divider and frac */
CLOCK_HAL_GetDivider(g_simBaseAddr[0], kClockDividerUsbDiv, ÷r);
CLOCK_HAL_GetDivider(g_simBaseAddr[0], kClockDividerUsbFrac, &frac);
/* Divider output clock = Divider input clock � [ (FRAC+1) / (DIV+1) ]*/
freq = (freq) * (frac + 1) / (divider + 1);
return freq;
}
/*FUNCTION**********************************************************************
*
* Function Name : CLOCK_SYS_GetLpuartFreq
* Description : Gets the clock frequency for LPUART module.
* This function gets the clock frequency for LPUART moudle.
*
*END**************************************************************************/
uint32_t CLOCK_SYS_GetLpuartFreq(uint32_t instance)
{
uint32_t freq = 0;
uint8_t setting;
uint8_t setting1;
clock_names_t clockName;
uint32_t divider = 0;
/* get the sim clock source setting*/
if (CLOCK_HAL_GetSource(g_simBaseAddr[0], kClockLpuartSrc, &setting) != kSimHalSuccess)
{
return freq;
}
switch ((sim_lpuart_clock_source_t)setting)
{
case kSimLpuartSrcPllFllSel: /* clock as selected by SOPT2[PLLFLLSEL]. */
/* get the sim clock source setting*/
if (CLOCK_HAL_GetSource(g_simBaseAddr[0], kClockPllfllSel, &setting1) != kSimHalSuccess)
{
return freq;
}
switch ((sim_pllfll_clock_sel_t)setting1)
{
case kSimPllFllSelFll: /* Fll clock */
clockName = kMcgFllClock;
break;
case kSimPllFllSelIrc: /* Irc 48Mhz clock */
clockName = kIrc48mClock;
break;
default:
clockName = kReserved;
break;
}
break;
case kSimLpuartSrcOscErclk: /* OscErClk with divider */
clockName = kOsc0ErClock;
break;
case kSimLpuartSrcMcgIrclk: /* MCGIRCLK */
clockName = kMcgIrClock;
break;
default:
clockName = kReserved;
break;
}
/* Get ref clock freq */
CLOCK_SYS_GetFreq(clockName, &freq);
if ((sim_lpuart_clock_source_t)setting == kSimLpuartSrcOscErclk)
{
divider = OSC_HAL_GetExternalRefClkDivCmd(g_oscBaseAddr[0]);
freq = freq >> divider; /* 2 bits divider, divide by 1/2/4/8 */
}
/*FUNCTION**********************************************************************
*
* Function Name : CLOCK_SYS_GetSdhcFreq
* Description : Gets the clock frequency for SDHC module
* This function gets the clock frequency for SDHC moudle
*
*END**************************************************************************/
uint32_t CLOCK_SYS_GetSdhcFreq(uint32_t instance)
{
(void) instance;
uint32_t freq = 0;
uint8_t setting;
clock_names_t clockName;
/* get the sim clock source setting*/
if (CLOCK_HAL_GetSource(g_simBaseAddr[0], kClockSdhcSrc, &setting) != kSimHalSuccess)
{
return freq;
}
switch ((sim_sdhc_clock_source_t)setting)
{
case kSimSdhcSrcCoreSysClk: /* Core/system clock */
clockName = kCoreClock;
break;
case kSimSdhcSrcPllFllSel: /* clock as selected by SOPT2[PLLFLLSEL]. */
/* get the sim clock source setting*/
if (CLOCK_HAL_GetSource(g_simBaseAddr[0], kClockPllfllSel, &setting) != kSimHalSuccess)
{
return freq;
}
switch ((sim_pllfll_clock_sel_t)setting)
{
case kSimPllFllSelFll: /* Fll clock */
clockName = kMcgFllClock;
break;
case kSimPllFllSelPll: /* Pll0 clock */
clockName = kMcgPll0Clock;
break;
default:
clockName = kReserved;
break;
}
break;
case kSimSdhcSrcOscerclk: /* OSCERCLK clock */
clockName = kOsc0ErClock;
break;
case kSimSdhcSrcExt: /* SDHC CLKIN clock */
clockName = kSDHC0_CLKIN;
break;
default:
clockName = kReserved;
break;
}
/* Get ref clock freq */
CLOCK_SYS_GetFreq(clockName, &freq);
return freq;
}
/*FUNCTION**********************************************************************
*
* Function Name : CLOCK_SYS_GetEnetRmiiFreq
* Description : Gets the clock frequency for ENET module RMII clock.
* This function gets the clock frequency for ENET moudle RMII clock.
*
*END**************************************************************************/
uint32_t CLOCK_SYS_GetEnetRmiiFreq(uint32_t instance)
{
(void) instance;
uint32_t freq = 0;
uint8_t setting;
clock_names_t clockName;
/* get the sim clock source setting*/
if (CLOCK_HAL_GetSource(g_simBaseAddr[0], kClockRmiiSrc, &setting) != kSimHalSuccess)
{
return freq;
}
if ((sim_rmii_clock_source_t)setting == kSimRmiiSrcExtalClk)
{
clockName = kEXTAL_Clock;
}
else
{
clockName = kENET_1588_CLKIN;
}
CLOCK_SYS_GetFreq(clockName, &freq);
return freq;
}
