/******************************************************************************
*  Filename:       setup.c
*  Revised:        2016-06-03 14:23:26 +0200 (Fri, 03 Jun 2016)
*  Revision:       46593
*
*  Description:    Setup file for CC13xx/CC26xx devices.
*
*  Copyright (c) 2015 - 2016, Texas Instruments Incorporated
*  All rights reserved.
*
*  Redistribution and use in source and binary forms, with or without
*  modification, are permitted provided that the following conditions are met:
*
*  1) Redistributions of source code must retain the above copyright notice,
*     this list of conditions and the following disclaimer.
*
*  2) 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.
*
*  3) Neither the name of the ORGANIZATION 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.
*
******************************************************************************/

// Hardware headers
#include <inc/hw_types.h>
#include <driverlib/setup.h>
// ##### INCLUDE IN ROM BEGIN #####
// We need intrinsic functions for IAR (if used in source code)
#ifdef __IAR_SYSTEMS_ICC__
#include <intrinsics.h>
#endif
// ##### INCLUDE IN ROM END #####

//*****************************************************************************
//
// Handle support for DriverLib in ROM:
// This section will undo prototype renaming made in the header file
//
//*****************************************************************************
#if !defined(DOXYGEN)
    #undef  SetupTrimDevice
    #define SetupTrimDevice                 NOROM_SetupTrimDevice
    #undef  SetupAfterColdResetWakeupFromShutDownCfg1
    #define SetupAfterColdResetWakeupFromShutDownCfg1 NOROM_SetupAfterColdResetWakeupFromShutDownCfg1
    #undef  SetupAfterColdResetWakeupFromShutDownCfg2
    #define SetupAfterColdResetWakeupFromShutDownCfg2 NOROM_SetupAfterColdResetWakeupFromShutDownCfg2
    #undef  SetupAfterColdResetWakeupFromShutDownCfg3
    #define SetupAfterColdResetWakeupFromShutDownCfg3 NOROM_SetupAfterColdResetWakeupFromShutDownCfg3
    #undef  SetupGetTrimForAdcShModeEn
    #define SetupGetTrimForAdcShModeEn      NOROM_SetupGetTrimForAdcShModeEn
    #undef  SetupGetTrimForAdcShVbufEn
    #define SetupGetTrimForAdcShVbufEn      NOROM_SetupGetTrimForAdcShVbufEn
    #undef  SetupGetTrimForAmpcompCtrl
    #define SetupGetTrimForAmpcompCtrl      NOROM_SetupGetTrimForAmpcompCtrl
    #undef  SetupGetTrimForAmpcompTh1
    #define SetupGetTrimForAmpcompTh1       NOROM_SetupGetTrimForAmpcompTh1
    #undef  SetupGetTrimForAmpcompTh2
    #define SetupGetTrimForAmpcompTh2       NOROM_SetupGetTrimForAmpcompTh2
    #undef  SetupGetTrimForAnabypassValue1
    #define SetupGetTrimForAnabypassValue1  NOROM_SetupGetTrimForAnabypassValue1
    #undef  SetupGetTrimForDblrLoopFilterResetVoltage
    #define SetupGetTrimForDblrLoopFilterResetVoltage NOROM_SetupGetTrimForDblrLoopFilterResetVoltage
    #undef  SetupGetTrimForRadcExtCfg
    #define SetupGetTrimForRadcExtCfg       NOROM_SetupGetTrimForRadcExtCfg
    #undef  SetupGetTrimForRcOscLfIBiasTrim
    #define SetupGetTrimForRcOscLfIBiasTrim NOROM_SetupGetTrimForRcOscLfIBiasTrim
    #undef  SetupGetTrimForRcOscLfRtuneCtuneTrim
    #define SetupGetTrimForRcOscLfRtuneCtuneTrim NOROM_SetupGetTrimForRcOscLfRtuneCtuneTrim
    #undef  SetupGetTrimForXoscHfCtl
    #define SetupGetTrimForXoscHfCtl        NOROM_SetupGetTrimForXoscHfCtl
    #undef  SetupGetTrimForXoscHfFastStart
    #define SetupGetTrimForXoscHfFastStart  NOROM_SetupGetTrimForXoscHfFastStart
    #undef  SetupGetTrimForXoscHfIbiastherm
    #define SetupGetTrimForXoscHfIbiastherm NOROM_SetupGetTrimForXoscHfIbiastherm
    #undef  SetupGetTrimForXoscLfRegulatorAndCmirrwrRatio
    #define SetupGetTrimForXoscLfRegulatorAndCmirrwrRatio NOROM_SetupGetTrimForXoscLfRegulatorAndCmirrwrRatio
    #undef  SetupSignExtendVddrTrimValue
    #define SetupSignExtendVddrTrimValue    NOROM_SetupSignExtendVddrTrimValue
    #undef  SetupSetCacheModeAccordingToCcfgSetting
    #define SetupSetCacheModeAccordingToCcfgSetting NOROM_SetupSetCacheModeAccordingToCcfgSetting
    #undef  SetupSetAonRtcSubSecInc
    #define SetupSetAonRtcSubSecInc         NOROM_SetupSetAonRtcSubSecInc
#endif


//*****************************************************************************
//
//! Defined time delay assuming 48 MHz clock and resolution of 3 cycles
//
//*****************************************************************************
#define DELAY_20_USEC           0x140


//*****************************************************************************
//
// Defined CPU delay macro with microseconds as input
// Quick check shows: (To be further investigated)
// At 48 MHz RCOSC and VIMS.CONTROL.PREFETCH = 0, there is 5 cycles
// At 48 MHz RCOSC and VIMS.CONTROL.PREFETCH = 1, there is 4 cycles
// At 24 MHz RCOSC and VIMS.CONTROL.PREFETCH = 0, there is 3 cycles
//
//*****************************************************************************
#define CPU_DELAY_MICRO_SECONDS( x ) \
   CPUdelay(((uint32_t)((( x ) * 48.0 ) / 5.0 )) - 1 )


//*****************************************************************************
//
// Function declarations
//
//*****************************************************************************
static void     TrimAfterColdReset( void );
static void     TrimAfterColdResetWakeupFromShutDown( uint32_t ui32Fcfg1Revision );
static void     TrimAfterColdResetWakeupFromShutDownWakeupFromPowerDown( void );

//*****************************************************************************
//
// Perform the necessary trim of the device which is not done in boot code
//
// This function should only execute coming from ROM boot. The current
// implementation does not take soft reset into account. However, it does no
// damage to execute it again. It only consumes time.
//
//*****************************************************************************
void
SetupTrimDevice(void)
{
    uint32_t ui32Fcfg1Revision;
    uint32_t ui32AonSysResetctl;

    //
    // Get layout revision of the factory configuration area
    // (Handle undefined revision as revision = 0)
    //
    ui32Fcfg1Revision = HWREG(FCFG1_BASE + FCFG1_O_FCFG1_REVISION);
    if ( ui32Fcfg1Revision == 0xFFFFFFFF ) {
        ui32Fcfg1Revision = 0;
    }

    //
    // This driverlib version and setup file is for CC26xx PG2.2 and later
    // Halt if violated
    //
    ThisCodeIsBuiltForCC26xxHwRev22AndLater_HaltIfViolated();

    //
    // Enable standby in flash bank
    //
    HWREGBITW( FLASH_BASE + FLASH_O_CFG, FLASH_CFG_DIS_STANDBY_BITN ) = 0;

    //
    // Clock must always be enabled for the semaphore module (due to ADI/DDI HW workaround)
    //
    HWREG( AUX_WUC_BASE + AUX_WUC_O_MODCLKEN1 ) = AUX_WUC_MODCLKEN1_SMPH;

    //
    // Warm resets on CC26XX complicates software design as much of our software
    // expect that initialization is done from a full system reset.
    // This includes RTC setup, oscillator configuration and AUX setup.
    // To ensure a full reset of the device is done when customers get e.g. a Watchdog
    // reset, the following is set here:
    //
    HWREGBITW( PRCM_BASE + PRCM_O_WARMRESET, PRCM_WARMRESET_WR_TO_PINRESET_BITN ) = 1;

    //
    // Select correct CACHE mode and set correct CACHE configuration
    //
    SetupSetCacheModeAccordingToCcfgSetting();

    // 1. Check for powerdown
    // 2. Check for shutdown
    // 3. Assume cold reset if none of the above.
    //
    // It is always assumed that the application will freeze the latches in
    // AON_IOC when going to powerdown in order to retain the values on the IOs.
    //
    // NB. If this bit is not cleared before proceeding to powerdown, the IOs
    //     will all default to the reset configuration when restarting.
    if( ! ( HWREGBITW( AON_IOC_BASE + AON_IOC_O_IOCLATCH, AON_IOC_IOCLATCH_EN_BITN )))
    {
        //
        // NB. This should be calling a ROM implementation of required trim and
        // compensation
        // e.g. TrimAfterColdResetWakeupFromShutDownWakeupFromPowerDown()
        TrimAfterColdResetWakeupFromShutDownWakeupFromPowerDown();
    }
    // Check for shutdown
    //
    // When device is going to shutdown the hardware will automatically clear
    // the SLEEPDIS bit in the SLEEP register in the AON_SYSCTRL12 module.
    // It is left for the application to assert this bit when waking back up,
    // but not before the desired IO configuration has been re-established.
    else if( ! ( HWREGBITW( AON_SYSCTL_BASE + AON_SYSCTL_O_SLEEPCTL, AON_SYSCTL_SLEEPCTL_IO_PAD_SLEEP_DIS_BITN )))
    {
        //
        // NB. This should be calling a ROM implementation of required trim and
        // compensation
        // e.g. TrimAfterColdResetWakeupFromShutDown()    -->
        //      TrimAfterColdResetWakeupFromShutDownWakeupFromPowerDown();
        TrimAfterColdResetWakeupFromShutDown(ui32Fcfg1Revision);
        TrimAfterColdResetWakeupFromShutDownWakeupFromPowerDown();
    }
    else
    {
        // Consider adding a check for soft reset to allow debugging to skip
        // this section!!!
        //
        // NB. This should be calling a ROM implementation of required trim and
        // compensation
        // e.g. TrimAfterColdReset()   -->
        //      TrimAfterColdResetWakeupFromShutDown()    -->
        //      TrimAfterColdResetWakeupFromShutDownWakeupFromPowerDown()
        TrimAfterColdReset();
        TrimAfterColdResetWakeupFromShutDown(ui32Fcfg1Revision);
        TrimAfterColdResetWakeupFromShutDownWakeupFromPowerDown();

    }

    //
    // Set VIMS power domain control.
    // PDCTL1VIMS = 0 ==> VIMS power domain is only powered when CPU power domain is powered
    //
    HWREG( PRCM_BASE + PRCM_O_PDCTL1VIMS ) = 0;

    //
    // Configure optimal wait time for flash FSM in cases where flash pump
    // wakes up from sleep
    //
    HWREG(FLASH_BASE + FLASH_O_FPAC1) = (HWREG(FLASH_BASE + FLASH_O_FPAC1) &
                                         ~FLASH_FPAC1_PSLEEPTDIS_M) |
                                        (0x139<<FLASH_FPAC1_PSLEEPTDIS_S);

    //
    // And finally at the end of the flash boot process:
    // SET BOOT_DET bits in AON_SYSCTL to 3 if already found to be 1
    // Note: The BOOT_DET_x_CLR/SET bits must be manually cleared
    //
    if ((( HWREG( AON_SYSCTL_BASE + AON_SYSCTL_O_RESETCTL ) &
        ( AON_SYSCTL_RESETCTL_BOOT_DET_1_M | AON_SYSCTL_RESETCTL_BOOT_DET_0_M )) >>
        AON_SYSCTL_RESETCTL_BOOT_DET_0_S ) == 1 )
    {
        ui32AonSysResetctl = ( HWREG( AON_SYSCTL_BASE + AON_SYSCTL_O_RESETCTL ) &
        ~( AON_SYSCTL_RESETCTL_BOOT_DET_1_CLR_M | AON_SYSCTL_RESETCTL_BOOT_DET_0_CLR_M |
           AON_SYSCTL_RESETCTL_BOOT_DET_1_SET_M | AON_SYSCTL_RESETCTL_BOOT_DET_0_SET_M ));
        HWREG( AON_SYSCTL_BASE + AON_SYSCTL_O_RESETCTL ) = ui32AonSysResetctl | AON_SYSCTL_RESETCTL_BOOT_DET_1_SET_M;
        HWREG( AON_SYSCTL_BASE + AON_SYSCTL_O_RESETCTL ) = ui32AonSysResetctl;
    }

    //
    // Make sure there are no ongoing VIMS mode change when leaving SetupTrimDevice()
    // (There should typically be no wait time here, but need to be sure)
    //
    while ( HWREGBITW( VIMS_BASE + VIMS_O_STAT, VIMS_STAT_MODE_CHANGING_BITN )) {
        // Do nothing - wait for an eventual ongoing mode change to complete.
    }
}

//*****************************************************************************
//
//! \brief Trims to be applied when coming from POWER_DOWN (also called when
//! coming from SHUTDOWN and PIN_RESET).
//!
//! \return None
//
//*****************************************************************************
static void
TrimAfterColdResetWakeupFromShutDownWakeupFromPowerDown( void )
{
    //
    // Currently no specific trim for Powerdown
    //
}

//*****************************************************************************
//
//! \brief Trims to be applied when coming from SHUTDOWN (also called when
//! coming from PIN_RESET).
//!
//! \return None
//
//*****************************************************************************
static void
TrimAfterColdResetWakeupFromShutDown(uint32_t ui32Fcfg1Revision)
{
    uint32_t   ccfg_ModeConfReg  ;
    uint32_t   mp1rev            ;

    //
    // Force AUX on and enable clocks
    //
    // No need to save the current status of the power/clock registers.
    // At this point both AUX and AON should have been reset to 0x0.
    //
    HWREG(AON_WUC_BASE + AON_WUC_O_AUXCTL) = AON_WUC_AUXCTL_AUX_FORCE_ON;

    //
    // Wait for power on on the AUX domain
    //
    while( ! ( HWREGBITW( AON_WUC_BASE + AON_WUC_O_PWRSTAT, AON_WUC_PWRSTAT_AUX_PD_ON_BITN )));

    //
    // Enable the clocks for AUX_DDI0_OSC and AUX_ADI4
    //
    HWREG(AUX_WUC_BASE + AUX_WUC_O_MODCLKEN0) = AUX_WUC_MODCLKEN0_AUX_DDI0_OSC |
                                                AUX_WUC_MODCLKEN0_AUX_ADI4;

    //
    // It's found to be optimal to override the FCFG1..DCDC_IPEAK setting as follows:
    // if ( alternative DCDC setting in CCFG is enabled )  ADI3..IPEAK = CCFG..DCDC_IPEAK
    // else                                                ADI3..IPEAK = 2
    //
    if (( HWREG( CCFG_BASE + CCFG_O_SIZE_AND_DIS_FLAGS ) & CCFG_SIZE_AND_DIS_FLAGS_DIS_ALT_DCDC_SETTING ) == 0 ) {
        //
        // ADI_3_REFSYS:DCDCCTL5[3]  (=DITHER_EN) = CCFG_MODE_CONF_1[19]   (=ALT_DCDC_DITHER_EN)
        // ADI_3_REFSYS:DCDCCTL5[2:0](=IPEAK    ) = CCFG_MODE_CONF_1[18:16](=ALT_DCDC_IPEAK    )
        // Using a single 4-bit masked write since layout is equal for both source and destination
        //
        HWREGB( ADI3_BASE + ADI_O_MASK4B + ( ADI_3_REFSYS_O_DCDCCTL5 * 2 )) = ( 0xF0 |
            ( HWREG( CCFG_BASE + CCFG_O_MODE_CONF_1 ) >> CCFG_MODE_CONF_1_ALT_DCDC_IPEAK_S ));

    } else {
        HWREGB( ADI3_BASE + ADI_O_MASK4B + ( ADI_3_REFSYS_O_DCDCCTL5 * 2 )) = 0x72;
    }

    //
    // Enable for JTAG to be powered down (will still be powered on if debugger is connected)
    //
    AONWUCJtagPowerOff();

    //
    // read the MODE_CONF register in CCFG
    //
    ccfg_ModeConfReg = HWREG( CCFG_BASE + CCFG_O_MODE_CONF );

    //
    // First part of trim done after cold reset and wakeup from shutdown:
    // -Adjust the VDDR_TRIM_SLEEP value.
    // -Configure DCDC.
    //
    SetupAfterColdResetWakeupFromShutDownCfg1( ccfg_ModeConfReg );

    //
    // Second part of trim done after cold reset and wakeup from shutdown:
    // -Configure XOSC.
    //
    SetupAfterColdResetWakeupFromShutDownCfg2( ui32Fcfg1Revision, ccfg_ModeConfReg );

    //
    // Increased margin between digital supply voltage and VDD BOD during standby.
    // VTRIM_UDIG: signed 4 bits value to be incremented by 2 (max = 7)
    // VTRIM_BOD: unsigned 4 bits value to be decremented by 1 (min = 0)
    // This applies to chips with mp1rev < 542 for cc13xx and for mp1rev < 527 for cc26xx
    //
    mp1rev = ( HWREG( FCFG1_BASE + 0x00000314 ) & 0x0000FFFF );
    if ( mp1rev < 527 ) {
        uint32_t vtrim_bod  = (( HWREG( FCFG1_BASE + 0x000002BC ) >> 24 ) & 0xF ); // bit[27:24] unsigned
        uint32_t vtrim_udig = (( HWREG( FCFG1_BASE + 0x000002BC ) >> 16 ) & 0xF ); // bit[19:16] signed
        if ( vtrim_bod > 0 ) {
            vtrim_bod -= 1;
        }
        if ( vtrim_udig != 7 ) {
            if ( vtrim_udig == 6 ) {
                vtrim_udig = 7;
            } else {
                vtrim_udig = (( vtrim_udig + 2 ) & 0xF );
            }
        }
        HWREGB( ADI2_BASE + ADI_2_REFSYS_O_SOCLDOCTL0 ) =
            ( vtrim_udig << ADI_2_REFSYS_SOCLDOCTL0_VTRIM_UDIG_S ) |
            ( vtrim_bod  << ADI_2_REFSYS_SOCLDOCTL0_VTRIM_BOD_S  ) ;
    }

    //
    // Third part of trim done after cold reset and wakeup from shutdown:
    // -Configure HPOSC.
    // -Setup the LF clock.
    //
    SetupAfterColdResetWakeupFromShutDownCfg3( ccfg_ModeConfReg );

    //
    // Allow AUX to power down
    //
    AUXWUCPowerCtrl( AUX_WUC_POWER_DOWN );

    //
    // Leaving on AUX and clock for AUX_DDI0_OSC on but turn off clock for AUX_ADI4
    //
    HWREG( AUX_WUC_BASE + AUX_WUC_O_MODCLKEN0 ) = AUX_WUC_MODCLKEN0_AUX_DDI0_OSC;

    // Disable EFUSE clock
    HWREGBITW( FLASH_BASE + FLASH_O_CFG, FLASH_CFG_DIS_EFUSECLK_BITN ) = 1;
}


//*****************************************************************************
//
//! \brief Trims to be applied when coming from PIN_RESET.
//!
//! \return None
//
//*****************************************************************************
static void
TrimAfterColdReset( void )
{
    //
    // Currently no specific trim for Cold Reset
    //
}

//*****************************************************************************
//
//! \brief First part of configuration required when waking up from shutdown.
//
//*****************************************************************************
void
SetupAfterColdResetWakeupFromShutDownCfg1( uint32_t ccfg_ModeConfReg )
{
    int32_t    i32VddrSleepTrim;
    int32_t    i32VddrSleepDelta;

    {
        i32VddrSleepTrim = SetupSignExtendVddrTrimValue((
            HWREG( FCFG1_BASE + FCFG1_O_LDO_TRIM ) &
            FCFG1_LDO_TRIM_VDDR_TRIM_SLEEP_M ) >>
            FCFG1_LDO_TRIM_VDDR_TRIM_SLEEP_S ) ;
    }

    //
    // Adjust the VDDR_TRIM_SLEEP value with value adjustable by customer (CCFG_MODE_CONF_VDDR_TRIM_SLEEP_DELTA)
    // Read and sign extend VddrSleepDelta (in range -8 to +7)
    //
    i32VddrSleepDelta = ((((int32_t)ccfg_ModeConfReg )
        << ( 32 - CCFG_MODE_CONF_VDDR_TRIM_SLEEP_DELTA_W - CCFG_MODE_CONF_VDDR_TRIM_SLEEP_DELTA_S ))
        >> ( 32 - CCFG_MODE_CONF_VDDR_TRIM_SLEEP_DELTA_W ));
    // Calculate new VDDR sleep trim
    i32VddrSleepTrim = ( i32VddrSleepTrim + i32VddrSleepDelta + 1 );
    if ( i32VddrSleepTrim >  21 ) i32VddrSleepTrim =  21;
    if ( i32VddrSleepTrim < -10 ) i32VddrSleepTrim = -10;
    // Write adjusted value using MASKED write (MASK8)
    HWREGH( ADI3_BASE + ADI_O_MASK8B + ( ADI_3_REFSYS_O_DCDCCTL1 * 2 )) = (( ADI_3_REFSYS_DCDCCTL1_VDDR_TRIM_SLEEP_M << 8 ) |
        (( i32VddrSleepTrim << ADI_3_REFSYS_DCDCCTL1_VDDR_TRIM_SLEEP_S ) & ADI_3_REFSYS_DCDCCTL1_VDDR_TRIM_SLEEP_M ));

    //
    // 1.
    // Do not allow DCDC to be enabled if in external regulator mode.
    // Preventing this by setting both the RECHARGE and the ACTIVE bits bit in the CCFG_MODE_CONF copy register (ccfg_ModeConfReg).
    //
    // 2.
    // Adjusted battery monitor low limit in internal regulator mode.
    // This is done by setting AON_BATMON_FLASHPUMPP0_LOWLIM=0 in internal regulator mode.
    //
    if ( HWREG( AON_SYSCTL_BASE + AON_SYSCTL_O_PWRCTL ) & AON_SYSCTL_PWRCTL_EXT_REG_MODE ) {
        ccfg_ModeConfReg |= ( CCFG_MODE_CONF_DCDC_RECHARGE_M | CCFG_MODE_CONF_DCDC_ACTIVE_M );
    } else {
        HWREGBITW( AON_BATMON_BASE + AON_BATMON_O_FLASHPUMPP0, AON_BATMON_FLASHPUMPP0_LOWLIM_BITN ) = 0;
    }

    //
    // set the RECHARGE source based upon CCFG:MODE_CONF:DCDC_RECHARGE
    // Note: Inverse polarity
    //
    HWREGBITW( AON_SYSCTL_BASE + AON_SYSCTL_O_PWRCTL, AON_SYSCTL_PWRCTL_DCDC_EN_BITN ) =
        ((( ccfg_ModeConfReg >> CCFG_MODE_CONF_DCDC_RECHARGE_S ) & 1 ) ^ 1 );

    //
    // set the ACTIVE source based upon CCFG:MODE_CONF:DCDC_ACTIVE
    // Note: Inverse polarity
    //
    HWREGBITW( AON_SYSCTL_BASE + AON_SYSCTL_O_PWRCTL, AON_SYSCTL_PWRCTL_DCDC_ACTIVE_BITN ) =
        ((( ccfg_ModeConfReg >> CCFG_MODE_CONF_DCDC_ACTIVE_S ) & 1 ) ^ 1 );
}

//*****************************************************************************
//
//! \brief Second part of configuration required when waking up from shutdown.
//
//*****************************************************************************
void
SetupAfterColdResetWakeupFromShutDownCfg2( uint32_t ui32Fcfg1Revision, uint32_t ccfg_ModeConfReg )
{
    uint32_t   ui32Trim;

    //
    // Following sequence is required for using XOSCHF, if not included
    // devices crashes when trying to switch to XOSCHF.
    //
    // Trim CAP settings. Get and set trim value for the ANABYPASS_VALUE1
    // register
    ui32Trim = SetupGetTrimForAnabypassValue1( ccfg_ModeConfReg );
    DDI32RegWrite(AUX_DDI0_OSC_BASE, DDI_0_OSC_O_ANABYPASSVAL1, ui32Trim);

    // Trim RCOSC_LF. Get and set trim values for the RCOSCLF_RTUNE_TRIM and
    // RCOSCLF_CTUNE_TRIM fields in the XOSCLF_RCOSCLF_CTRL register.
    ui32Trim = SetupGetTrimForRcOscLfRtuneCtuneTrim();
    DDI16BitfieldWrite(AUX_DDI0_OSC_BASE, DDI_0_OSC_O_LFOSCCTL,
                       (DDI_0_OSC_LFOSCCTL_RCOSCLF_CTUNE_TRIM_M |
                        DDI_0_OSC_LFOSCCTL_RCOSCLF_RTUNE_TRIM_M),
                       DDI_0_OSC_LFOSCCTL_RCOSCLF_CTUNE_TRIM_S,
                       ui32Trim);

    // Trim XOSCHF IBIAS THERM. Get and set trim value for the
    // XOSCHF IBIAS THERM bit field in the ANABYPASS_VALUE2 register. Other
    // register bit fields are set to 0.
    ui32Trim = SetupGetTrimForXoscHfIbiastherm();
    DDI32RegWrite(AUX_DDI0_OSC_BASE, DDI_0_OSC_O_ANABYPASSVAL2,
                  ui32Trim<<DDI_0_OSC_ANABYPASSVAL2_XOSC_HF_IBIASTHERM_S);

    // Trim AMPCOMP settings required before switch to XOSCHF
    ui32Trim = SetupGetTrimForAmpcompTh2();
    DDI32RegWrite(AUX_DDI0_OSC_BASE, DDI_0_OSC_O_AMPCOMPTH2, ui32Trim);
    ui32Trim = SetupGetTrimForAmpcompTh1();
    DDI32RegWrite(AUX_DDI0_OSC_BASE, DDI_0_OSC_O_AMPCOMPTH1, ui32Trim);
    ui32Trim = SetupGetTrimForAmpcompCtrl( ui32Fcfg1Revision );
    DDI32RegWrite(AUX_DDI0_OSC_BASE, DDI_0_OSC_O_AMPCOMPCTL, ui32Trim);

    //
    // Set trim for DDI_0_OSC_ADCDOUBLERNANOAMPCTL_ADC_SH_MODE_EN in accordance to FCFG1 setting
    // This is bit[5] in the DDI_0_OSC_O_ADCDOUBLERNANOAMPCTL register
    // Using MASK4 write + 1 => writing to bits[7:4]
    //
    ui32Trim = SetupGetTrimForAdcShModeEn( ui32Fcfg1Revision );
    HWREGB( AUX_DDI0_OSC_BASE + DDI_O_MASK4B + ( DDI_0_OSC_O_ADCDOUBLERNANOAMPCTL * 2 ) + 1 ) =
      ( 0x20 | ( ui32Trim << 1 ));

    //
    // Set trim for DDI_0_OSC_ADCDOUBLERNANOAMPCTL_ADC_SH_VBUF_EN in accordance to FCFG1 setting
    // This is bit[4] in the DDI_0_OSC_O_ADCDOUBLERNANOAMPCTL register
    // Using MASK4 write + 1 => writing to bits[7:4]
    //
    ui32Trim = SetupGetTrimForAdcShVbufEn( ui32Fcfg1Revision );
    HWREGB( AUX_DDI0_OSC_BASE + DDI_O_MASK4B + ( DDI_0_OSC_O_ADCDOUBLERNANOAMPCTL * 2 ) + 1 ) =
      ( 0x10 | ( ui32Trim ));

    //
    // Set trim for the PEAK_DET_ITRIM, HP_BUF_ITRIM and LP_BUF_ITRIM bit fields
    // in the DDI0_OSC_O_XOSCHFCTL register in accordance to FCFG1 setting.
    // Remaining register bit fields are set to their reset values of 0.
    //
    ui32Trim = SetupGetTrimForXoscHfCtl(ui32Fcfg1Revision);
    DDI32RegWrite(AUX_DDI0_OSC_BASE, DDI_0_OSC_O_XOSCHFCTL, ui32Trim);

    //
    // Set trim for DBLR_LOOP_FILTER_RESET_VOLTAGE in accordance to FCFG1 setting
    // (This is bits [18:17] in DDI_0_OSC_O_ADCDOUBLERNANOAMPCTL)
    // (Using MASK4 write + 4 => writing to bits[19:16] => (4*4))
    // (Assuming: DDI_0_OSC_ADCDOUBLERNANOAMPCTL_DBLR_LOOP_FILTER_RESET_VOLTAGE_S = 17 and
    //  that DDI_0_OSC_ADCDOUBLERNANOAMPCTL_DBLR_LOOP_FILTER_RESET_VOLTAGE_M = 0x00060000)
    //
    ui32Trim = SetupGetTrimForDblrLoopFilterResetVoltage( ui32Fcfg1Revision );
    HWREGB( AUX_DDI0_OSC_BASE + DDI_O_MASK4B + ( DDI_0_OSC_O_ADCDOUBLERNANOAMPCTL * 2 ) + 4 ) =
      ( 0x60 | ( ui32Trim << 1 ));

    //
    // Update DDI_0_OSC_ATESTCTL_ATESTLF_RCOSCLF_IBIAS_TRIM with data from
    // FCFG1_OSC_CONF_ATESTLF_RCOSCLF_IBIAS_TRIM
    // This is DDI_0_OSC_O_ATESTCTL bit[7]
    // ( DDI_0_OSC_O_ATESTCTL is currently hidden (but=0x00000020))
    // Using MASK4 write + 1 => writing to bits[7:4]
    //
    ui32Trim = SetupGetTrimForRcOscLfIBiasTrim( ui32Fcfg1Revision );
    HWREGB( AUX_DDI0_OSC_BASE + DDI_O_MASK4B + ( 0x00000020 * 2 ) + 1 ) =
      ( 0x80 | ( ui32Trim << 3 ));

    //
    // Update DDI_0_OSC_LFOSCCTL_XOSCLF_REGULATOR_TRIM and
    //        DDI_0_OSC_LFOSCCTL_XOSCLF_CMIRRWR_RATIO in one write
    // This can be simplified since the registers are packed together in the same
    // order both in FCFG1 and in the HW register.
    // This spans DDI_0_OSC_O_LFOSCCTL bits[23:18]
    // Using MASK8 write + 4 => writing to bits[23:16]
    //
    ui32Trim = SetupGetTrimForXoscLfRegulatorAndCmirrwrRatio( ui32Fcfg1Revision );
    HWREGH( AUX_DDI0_OSC_BASE + DDI_O_MASK8B + ( DDI_0_OSC_O_LFOSCCTL * 2 ) + 4 ) =
      ( 0xFC00 | ( ui32Trim << 2 ));

    //
    // Set trim the HPM_IBIAS_WAIT_CNT, LPM_IBIAS_WAIT_CNT and IDAC_STEP bit
    // fields in the DDI0_OSC_O_RADCEXTCFG register in accordance to FCFG1 setting.
    // Remaining register bit fields are set to their reset values of 0.
    //
    ui32Trim = SetupGetTrimForRadcExtCfg(ui32Fcfg1Revision);
    DDI32RegWrite(AUX_DDI0_OSC_BASE, DDI_0_OSC_O_RADCEXTCFG, ui32Trim);

    // Setting FORCE_KICKSTART_EN (ref. CC26_V1_BUG00261). Should also be done for PG2
    // (This is bit 22 in DDI_0_OSC_O_CTL0)
    HWREG( AUX_DDI0_OSC_BASE + DDI_O_SET + DDI_0_OSC_O_CTL0 ) = DDI_0_OSC_CTL0_FORCE_KICKSTART_EN;
}

//*****************************************************************************
//
//! \brief Third part of configuration required when waking up from shutdown.
//
//*****************************************************************************
void
SetupAfterColdResetWakeupFromShutDownCfg3( uint32_t ccfg_ModeConfReg )
{
    uint32_t   fcfg1OscConf;
    uint32_t   ui32Trim;
    uint32_t   currentHfClock;
    uint32_t   ccfgExtLfClk;

    //
    // Examin the XOSC_FREQ field to select 0x1=HPOSC, 0x2=48MHz XOSC, 0x3=24MHz XOSC
    //
    switch (( ccfg_ModeConfReg & CCFG_MODE_CONF_XOSC_FREQ_M ) >> CCFG_MODE_CONF_XOSC_FREQ_S ) {
    case 2 :
        // XOSC source is a 48 MHz xtal
        // Do nothing (since this is the reset setting)
        break;
    case 1 :
        // XOSC source is HPOSC (trim the HPOSC if this is a chip with HPOSC, otherwise skip trimming and default to 24 MHz XOSC)

        fcfg1OscConf = HWREG( FCFG1_BASE + FCFG1_O_OSC_CONF );

        if (( fcfg1OscConf & FCFG1_OSC_CONF_HPOSC_OPTION ) == 0 ) {
            // This is a HPOSC chip, apply HPOSC settings
            // Set bit DDI_0_OSC_CTL0_HPOSC_MODE_EN (this is bit 14 in DDI_0_OSC_O_CTL0)
            HWREG( AUX_DDI0_OSC_BASE + DDI_O_SET + DDI_0_OSC_O_CTL0 ) = DDI_0_OSC_CTL0_HPOSC_MODE_EN;

            // ADI_2_REFSYS_HPOSCCTL2_BIAS_HOLD_MODE_EN = FCFG1_OSC_CONF_HPOSC_BIAS_HOLD_MODE_EN   (1 bit)
            // ADI_2_REFSYS_HPOSCCTL2_CURRMIRR_RATIO    = FCFG1_OSC_CONF_HPOSC_CURRMIRR_RATIO      (4 bits)
            // ADI_2_REFSYS_HPOSCCTL1_BIAS_RES_SET      = FCFG1_OSC_CONF_HPOSC_BIAS_RES_SET        (4 bits)
            // ADI_2_REFSYS_HPOSCCTL0_FILTER_EN         = FCFG1_OSC_CONF_HPOSC_FILTER_EN           (1 bit)
            // ADI_2_REFSYS_HPOSCCTL0_BIAS_RECHARGE_DLY = FCFG1_OSC_CONF_HPOSC_BIAS_RECHARGE_DELAY (2 bits)
            // ADI_2_REFSYS_HPOSCCTL0_SERIES_CAP        = FCFG1_OSC_CONF_HPOSC_SERIES_CAP          (2 bits)
            // ADI_2_REFSYS_HPOSCCTL0_DIV3_BYPASS       = FCFG1_OSC_CONF_HPOSC_DIV3_BYPASS         (1 bit)

            HWREG( ADI2_BASE + ADI_2_REFSYS_O_HPOSCCTL2 ) = (( HWREG( ADI2_BASE + ADI_2_REFSYS_O_HPOSCCTL2 ) &
                  ~( ADI_2_REFSYS_HPOSCCTL2_BIAS_HOLD_MODE_EN_M | ADI_2_REFSYS_HPOSCCTL2_CURRMIRR_RATIO_M  )                                                                       ) |
                   ((( fcfg1OscConf & FCFG1_OSC_CONF_HPOSC_BIAS_HOLD_MODE_EN_M   ) >> FCFG1_OSC_CONF_HPOSC_BIAS_HOLD_MODE_EN_S   ) << ADI_2_REFSYS_HPOSCCTL2_BIAS_HOLD_MODE_EN_S   ) |
                   ((( fcfg1OscConf & FCFG1_OSC_CONF_HPOSC_CURRMIRR_RATIO_M      ) >> FCFG1_OSC_CONF_HPOSC_CURRMIRR_RATIO_S      ) << ADI_2_REFSYS_HPOSCCTL2_CURRMIRR_RATIO_S      )   );
            HWREG( ADI2_BASE + ADI_2_REFSYS_O_HPOSCCTL1 ) = (( HWREG( ADI2_BASE + ADI_2_REFSYS_O_HPOSCCTL1 ) & ~( ADI_2_REFSYS_HPOSCCTL1_BIAS_RES_SET_M )                          ) |
                   ((( fcfg1OscConf & FCFG1_OSC_CONF_HPOSC_BIAS_RES_SET_M        ) >> FCFG1_OSC_CONF_HPOSC_BIAS_RES_SET_S        ) << ADI_2_REFSYS_HPOSCCTL1_BIAS_RES_SET_S        )   );
            HWREG( ADI2_BASE + ADI_2_REFSYS_O_HPOSCCTL0 ) = (( HWREG( ADI2_BASE + ADI_2_REFSYS_O_HPOSCCTL0 ) &
                  ~( ADI_2_REFSYS_HPOSCCTL0_FILTER_EN_M | ADI_2_REFSYS_HPOSCCTL0_BIAS_RECHARGE_DLY_M | ADI_2_REFSYS_HPOSCCTL0_SERIES_CAP_M | ADI_2_REFSYS_HPOSCCTL0_DIV3_BYPASS_M )) |
                   ((( fcfg1OscConf & FCFG1_OSC_CONF_HPOSC_FILTER_EN_M           ) >> FCFG1_OSC_CONF_HPOSC_FILTER_EN_S           ) << ADI_2_REFSYS_HPOSCCTL0_FILTER_EN_S           ) |
                   ((( fcfg1OscConf & FCFG1_OSC_CONF_HPOSC_BIAS_RECHARGE_DELAY_M ) >> FCFG1_OSC_CONF_HPOSC_BIAS_RECHARGE_DELAY_S ) << ADI_2_REFSYS_HPOSCCTL0_BIAS_RECHARGE_DLY_S   ) |
                   ((( fcfg1OscConf & FCFG1_OSC_CONF_HPOSC_SERIES_CAP_M          ) >> FCFG1_OSC_CONF_HPOSC_SERIES_CAP_S          ) << ADI_2_REFSYS_HPOSCCTL0_SERIES_CAP_S          ) |
                   ((( fcfg1OscConf & FCFG1_OSC_CONF_HPOSC_DIV3_BYPASS_M         ) >> FCFG1_OSC_CONF_HPOSC_DIV3_BYPASS_S         ) << ADI_2_REFSYS_HPOSCCTL0_DIV3_BYPASS_S         )   );
            break;
        }
        // Not a HPOSC chip - fall through to default
    default :
        // XOSC source is a 24 MHz xtal (default)
        // Set bit DDI_0_OSC_CTL0_XTAL_IS_24M (this is bit 31 in DDI_0_OSC_O_CTL0)
        HWREG( AUX_DDI0_OSC_BASE + DDI_O_SET + DDI_0_OSC_O_CTL0 ) = DDI_0_OSC_CTL0_XTAL_IS_24M;
        break;
    }

    //
    // Set XOSC_HF in bypass mode if CCFG is configured for external TCXO
    // Please note that it is up to the custommer to make sure that the external clock source is up and running before XOSC_HF can be used.
    //
    if (( HWREG( CCFG_BASE + CCFG_O_SIZE_AND_DIS_FLAGS ) & CCFG_SIZE_AND_DIS_FLAGS_DIS_TCXO ) == 0 ) {
        HWREG( AUX_DDI0_OSC_BASE + DDI_O_SET + DDI_0_OSC_O_XOSCHFCTL ) = DDI_0_OSC_XOSCHFCTL_BYPASS;
    }

    // Clear DDI_0_OSC_CTL0_CLK_LOSS_EN (ClockLossEventEnable()). This is bit 9 in DDI_0_OSC_O_CTL0.
    // This is typically already 0 except on Lizard where it is set in ROM-boot
    HWREG( AUX_DDI0_OSC_BASE + DDI_O_CLR + DDI_0_OSC_O_CTL0 ) = DDI_0_OSC_CTL0_CLK_LOSS_EN;

    // Setting DDI_0_OSC_CTL1_XOSC_HF_FAST_START according to value found in FCFG1
    ui32Trim = SetupGetTrimForXoscHfFastStart();
    HWREGB( AUX_DDI0_OSC_BASE + DDI_O_MASK4B + ( DDI_0_OSC_O_CTL1 * 2 )) = ( 0x30 | ui32Trim );

    //
    // setup the LF clock based upon CCFG:MODE_CONF:SCLK_LF_OPTION
    //
    switch (( ccfg_ModeConfReg & CCFG_MODE_CONF_SCLK_LF_OPTION_M ) >> CCFG_MODE_CONF_SCLK_LF_OPTION_S ) {
    case 0 : // XOSC_HF_DLF (XOSCHF/1536) -> SCLK_LF (=31250Hz)
        OSCClockSourceSet( OSC_SRC_CLK_LF, OSC_XOSC_HF );
        SetupSetAonRtcSubSecInc( 0x8637BD );
        break;
    case 1 : // EXTERNAL signal -> SCLK_LF (frequency=2^38/CCFG_EXT_LF_CLK_RTC_INCREMENT)
        // Set SCLK_LF to use the same source as SCLK_HF
        // Can be simplified a bit since possible return values for HF matches LF settings
        currentHfClock = OSCClockSourceGet( OSC_SRC_CLK_HF );
        OSCClockSourceSet( OSC_SRC_CLK_LF, currentHfClock );
        while( OSCClockSourceGet( OSC_SRC_CLK_LF ) != currentHfClock ) {
            // Wait until switched
        }
        ccfgExtLfClk = HWREG( CCFG_BASE + CCFG_O_EXT_LF_CLK );
        SetupSetAonRtcSubSecInc(( ccfgExtLfClk & CCFG_EXT_LF_CLK_RTC_INCREMENT_M ) >> CCFG_EXT_LF_CLK_RTC_INCREMENT_S );
        IOCPortConfigureSet(( ccfgExtLfClk & CCFG_EXT_LF_CLK_DIO_M ) >> CCFG_EXT_LF_CLK_DIO_S,
                              IOC_PORT_AON_CLK32K,
                              IOC_STD_INPUT | IOC_HYST_ENABLE );   // Route external clock to AON IOC w/hysteresis
                                                                   // Set XOSC_LF in bypass mode to allow external 32k clock
        HWREG( AUX_DDI0_OSC_BASE + DDI_O_SET + DDI_0_OSC_O_CTL0 ) = DDI_0_OSC_CTL0_XOSC_LF_DIG_BYPASS;
        // Fall through to set XOSC_LF as SCLK_LF source
    case 2 : // XOSC_LF -> SLCK_LF (32768 Hz)
        OSCClockSourceSet( OSC_SRC_CLK_LF, OSC_XOSC_LF );
        break;
    default : // (=3) RCOSC_LF
        OSCClockSourceSet( OSC_SRC_CLK_LF, OSC_RCOSC_LF );
        break;
    }

    //
    // Update ADI_4_AUX_ADCREF1_VTRIM with value from FCFG1
    //
    HWREGB( AUX_ADI4_BASE + ADI_4_AUX_O_ADCREF1 ) =
      ((( HWREG( FCFG1_BASE + FCFG1_O_SOC_ADC_REF_TRIM_AND_OFFSET_EXT ) >>
      FCFG1_SOC_ADC_REF_TRIM_AND_OFFSET_EXT_SOC_ADC_REF_VOLTAGE_TRIM_TEMP1_S ) <<
      ADI_4_AUX_ADCREF1_VTRIM_S ) &
      ADI_4_AUX_ADCREF1_VTRIM_M );

    //
    // Set ADI_4_AUX:ADC0.SMPL_CYCLE_EXP to it's default minimum value (=3)
    // (Note: Using MASK8B requires that the bits to be modified must be within the same
    //        byte boundary which is the case for the ADI_4_AUX_ADC0_SMPL_CYCLE_EXP field)
    //
    HWREGH( AUX_ADI4_BASE + ADI_O_MASK8B + ( ADI_4_AUX_O_ADC0 * 2 )) =
      ( ADI_4_AUX_ADC0_SMPL_CYCLE_EXP_M << 8 ) | ( 3 << ADI_4_AUX_ADC0_SMPL_CYCLE_EXP_S );

    //
    // Sync with AON
    //
    SysCtrlAonSync();
}

//*****************************************************************************
//
//! \brief Returns the trim value to be used for the ANABYPASS_VALUE1 register in OSC_DIG.
//
//*****************************************************************************
uint32_t
SetupGetTrimForAnabypassValue1( uint32_t ccfg_ModeConfReg )
{
    uint32_t ui32Fcfg1Value            ;
    uint32_t ui32XoscHfRow             ;
    uint32_t ui32XoscHfCol             ;
    int32_t  i32CustomerDeltaAdjust    ;
    uint32_t ui32TrimValue             ;

    // Use device specific trim values located in factory configuration
    // area for the XOSC_HF_COLUMN_Q12 and XOSC_HF_ROW_Q12 bit fields in
    // the ANABYPASS_VALUE1 register. Value for the other bit fields
    // are set to 0.

    ui32Fcfg1Value = HWREG(FCFG1_BASE + FCFG1_O_CONFIG_OSC_TOP);
    ui32XoscHfRow = (( ui32Fcfg1Value &
        FCFG1_CONFIG_OSC_TOP_XOSC_HF_ROW_Q12_M ) >>
        FCFG1_CONFIG_OSC_TOP_XOSC_HF_ROW_Q12_S );
    ui32XoscHfCol = (( ui32Fcfg1Value &
        FCFG1_CONFIG_OSC_TOP_XOSC_HF_COLUMN_Q12_M ) >>
        FCFG1_CONFIG_OSC_TOP_XOSC_HF_COLUMN_Q12_S );

    i32CustomerDeltaAdjust = 0;
    if (( ccfg_ModeConfReg & CCFG_MODE_CONF_XOSC_CAP_MOD ) == 0 ) {
        // XOSC_CAP_MOD = 0 means: CAP_ARRAY_DELTA is in use -> Apply compensation
        // XOSC_CAPARRAY_DELTA is located in bit[15:8] of ccfg_ModeConfReg
        // Note: HW_REV_DEPENDENT_IMPLEMENTATION. Field width is not given by
        // a define and sign extension must therefore be hardcoded.
        // ( A small test program is created verifying the code lines below:
        //   Ref.: ..\test\small_standalone_test_programs\CapArrayDeltaAdjust_test.c)
        i32CustomerDeltaAdjust = ((int32_t)ccfg_ModeConfReg << 16 ) >> 24;

        while ( i32CustomerDeltaAdjust < 0 ) {
            ui32XoscHfCol >>= 1;                              // COL 1 step down
            if ( ui32XoscHfCol == 0 ) {                       // if COL below minimum
                ui32XoscHfCol = 0xFFFF;                       //   Set COL to maximum
                ui32XoscHfRow >>= 1;                          //   ROW 1 step down
                if ( ui32XoscHfRow == 0 ) {                   // if ROW below minimum
                   ui32XoscHfRow = 1;                         //   Set both ROW and COL
                   ui32XoscHfCol = 1;                         //   to minimum
                }
            }
            i32CustomerDeltaAdjust++;
        }
        while ( i32CustomerDeltaAdjust > 0 ) {
            ui32XoscHfCol = ( ui32XoscHfCol << 1 ) | 1;       // COL 1 step up
            if ( ui32XoscHfCol > 0xFFFF ) {                   // if COL above maximum
                ui32XoscHfCol = 1;                            //   Set COL to minimum
                ui32XoscHfRow = ( ui32XoscHfRow << 1 ) | 1;   //   ROW 1 step up
                if ( ui32XoscHfRow > 0xF ) {                  // if ROW above maximum
                   ui32XoscHfRow = 0xF;                       //   Set both ROW and COL
                   ui32XoscHfCol = 0xFFFF;                    //   to maximum
                }
            }
            i32CustomerDeltaAdjust--;
        }
    }

    ui32TrimValue = (( ui32XoscHfRow << DDI_0_OSC_ANABYPASSVAL1_XOSC_HF_ROW_Q12_S    ) |
                     ( ui32XoscHfCol << DDI_0_OSC_ANABYPASSVAL1_XOSC_HF_COLUMN_Q12_S )   );

    return (ui32TrimValue);
}

//*****************************************************************************
//
//! \brief Returns the trim value to be used for the RCOSCLF_RTUNE_TRIM and the
//! RCOSCLF_CTUNE_TRIM bit fields in the XOSCLF_RCOSCLF_CTRL register in OSC_DIG.
//
//*****************************************************************************
uint32_t
SetupGetTrimForRcOscLfRtuneCtuneTrim( void )
{
    uint32_t ui32TrimValue;

    // Use device specific trim values located in factory configuration
    // area
    ui32TrimValue =
        ((HWREG(FCFG1_BASE + FCFG1_O_CONFIG_OSC_TOP) &
          FCFG1_CONFIG_OSC_TOP_RCOSCLF_CTUNE_TRIM_M)>>
          FCFG1_CONFIG_OSC_TOP_RCOSCLF_CTUNE_TRIM_S)<<
            DDI_0_OSC_LFOSCCTL_RCOSCLF_CTUNE_TRIM_S;

    ui32TrimValue |=
        ((HWREG(FCFG1_BASE + FCFG1_O_CONFIG_OSC_TOP) &
          FCFG1_CONFIG_OSC_TOP_RCOSCLF_RTUNE_TRIM_M)>>
          FCFG1_CONFIG_OSC_TOP_RCOSCLF_RTUNE_TRIM_S)<<
            DDI_0_OSC_LFOSCCTL_RCOSCLF_RTUNE_TRIM_S;

    return(ui32TrimValue);
}

//*****************************************************************************
//
//! \brief Returns the trim value to be used for the XOSC_HF_IBIASTHERM bit field in
//! the ANABYPASS_VALUE2 register in OSC_DIG.
//
//*****************************************************************************
uint32_t
SetupGetTrimForXoscHfIbiastherm( void )
{
    uint32_t ui32TrimValue;

    // Use device specific trim value located in factory configuration
    // area
    ui32TrimValue =
        (HWREG(FCFG1_BASE + FCFG1_O_ANABYPASS_VALUE2) &
         FCFG1_ANABYPASS_VALUE2_XOSC_HF_IBIASTHERM_M)>>
         FCFG1_ANABYPASS_VALUE2_XOSC_HF_IBIASTHERM_S;

    return(ui32TrimValue);
}

//*****************************************************************************
//
//! \brief Returns the trim value to be used for the AMPCOMP_TH2 register in OSC_DIG.
//
//*****************************************************************************
uint32_t
SetupGetTrimForAmpcompTh2( void )
{
    uint32_t ui32TrimValue;
    uint32_t ui32Fcfg1Value;

    // Use device specific trim value located in factory configuration
    // area. All defined register bit fields have corresponding trim
    // value in the factory configuration area
    ui32Fcfg1Value = HWREG(FCFG1_BASE + FCFG1_O_AMPCOMP_TH2);
    ui32TrimValue = ((ui32Fcfg1Value &
                      FCFG1_AMPCOMP_TH2_LPMUPDATE_LTH_M)>>
                      FCFG1_AMPCOMP_TH2_LPMUPDATE_LTH_S)<<
                   DDI_0_OSC_AMPCOMPTH2_LPMUPDATE_LTH_S;
    ui32TrimValue |= (((ui32Fcfg1Value &
                        FCFG1_AMPCOMP_TH2_LPMUPDATE_HTM_M)>>
                        FCFG1_AMPCOMP_TH2_LPMUPDATE_HTM_S)<<
                     DDI_0_OSC_AMPCOMPTH2_LPMUPDATE_HTH_S);
    ui32TrimValue |= (((ui32Fcfg1Value &
                        FCFG1_AMPCOMP_TH2_ADC_COMP_AMPTH_LPM_M)>>
                        FCFG1_AMPCOMP_TH2_ADC_COMP_AMPTH_LPM_S)<<
                     DDI_0_OSC_AMPCOMPTH2_ADC_COMP_AMPTH_LPM_S);
    ui32TrimValue |= (((ui32Fcfg1Value &
                        FCFG1_AMPCOMP_TH2_ADC_COMP_AMPTH_HPM_M)>>
                        FCFG1_AMPCOMP_TH2_ADC_COMP_AMPTH_HPM_S)<<
                     DDI_0_OSC_AMPCOMPTH2_ADC_COMP_AMPTH_HPM_S);

    return(ui32TrimValue);
}

//*****************************************************************************
//
//! \brief Returns the trim value to be used for the AMPCOMP_TH1 register in OSC_DIG.
//
//*****************************************************************************
uint32_t
SetupGetTrimForAmpcompTh1( void )
{
    uint32_t ui32TrimValue;
    uint32_t ui32Fcfg1Value;

    // Use device specific trim values located in factory configuration
    // area. All defined register bit fields have a corresponding trim
    // value in the factory configuration area
    ui32Fcfg1Value = HWREG(FCFG1_BASE + FCFG1_O_AMPCOMP_TH1);
    ui32TrimValue = (((ui32Fcfg1Value &
                        FCFG1_AMPCOMP_TH1_HPMRAMP3_LTH_M)>>
                        FCFG1_AMPCOMP_TH1_HPMRAMP3_LTH_S)<<
                     DDI_0_OSC_AMPCOMPTH1_HPMRAMP3_LTH_S);
    ui32TrimValue |= (((ui32Fcfg1Value &
                        FCFG1_AMPCOMP_TH1_HPMRAMP3_HTH_M)>>
                        FCFG1_AMPCOMP_TH1_HPMRAMP3_HTH_S)<<
                     DDI_0_OSC_AMPCOMPTH1_HPMRAMP3_HTH_S);
    ui32TrimValue |= (((ui32Fcfg1Value &
                        FCFG1_AMPCOMP_TH1_IBIASCAP_LPTOHP_OL_CNT_M)>>
                        FCFG1_AMPCOMP_TH1_IBIASCAP_LPTOHP_OL_CNT_S)<<
                     DDI_0_OSC_AMPCOMPTH1_IBIASCAP_LPTOHP_OL_CNT_S);
    ui32TrimValue |= (((ui32Fcfg1Value &
                        FCFG1_AMPCOMP_TH1_HPMRAMP1_TH_M)>>
                        FCFG1_AMPCOMP_TH1_HPMRAMP1_TH_S)<<
                     DDI_0_OSC_AMPCOMPTH1_HPMRAMP1_TH_S);

    return(ui32TrimValue);
}

//*****************************************************************************
//
//! \brief Returns the trim value to be used for the AMPCOMP_CTRL register in OSC_DIG.
//
//*****************************************************************************
uint32_t
SetupGetTrimForAmpcompCtrl( uint32_t ui32Fcfg1Revision )
{
    uint32_t ui32TrimValue    ;
    uint32_t ui32Fcfg1Value   ;
    uint32_t ibiasOffset      ;
    uint32_t ibiasInit        ;
    uint32_t modeConf1        ;
    int32_t  deltaAdjust      ;

    // Use device specific trim values located in factory configuration
    // area. Register bit fields without trim values in the factory
    // configuration area will be set to the value of 0.
    ui32Fcfg1Value = HWREG( FCFG1_BASE + FCFG1_O_AMPCOMP_CTRL1 );

    ibiasOffset    = ( ui32Fcfg1Value &
                       FCFG1_AMPCOMP_CTRL1_IBIAS_OFFSET_M ) >>
                       FCFG1_AMPCOMP_CTRL1_IBIAS_OFFSET_S ;
    ibiasInit      = ( ui32Fcfg1Value &
                       FCFG1_AMPCOMP_CTRL1_IBIAS_INIT_M ) >>
                       FCFG1_AMPCOMP_CTRL1_IBIAS_INIT_S ;

    if (( HWREG( CCFG_BASE + CCFG_O_SIZE_AND_DIS_FLAGS ) & CCFG_SIZE_AND_DIS_FLAGS_DIS_XOSC_OVR_M ) == 0 ) {
        // Adjust with DELTA_IBIAS_OFFSET and DELTA_IBIAS_INIT from CCFG
        modeConf1   = HWREG( CCFG_BASE + CCFG_O_MODE_CONF_1 );

        // Both fields are signed 4-bit values. This is an assumption when doing the sign extension.
        deltaAdjust = ((int32_t)modeConf1 << ( 32 - CCFG_MODE_CONF_1_DELTA_IBIAS_OFFSET_S - 4 )) >> 28;
        deltaAdjust += (int32_t)ibiasOffset;
        if ( deltaAdjust < 0 ) {
           deltaAdjust = 0;
        }
        if ( deltaAdjust > ( DDI_0_OSC_AMPCOMPCTL_IBIAS_OFFSET_M >> DDI_0_OSC_AMPCOMPCTL_IBIAS_OFFSET_S )) {
            deltaAdjust  = ( DDI_0_OSC_AMPCOMPCTL_IBIAS_OFFSET_M >> DDI_0_OSC_AMPCOMPCTL_IBIAS_OFFSET_S );
        }
        ibiasOffset = (uint32_t)deltaAdjust;

        deltaAdjust = ((int32_t)modeConf1 << ( 32 - CCFG_MODE_CONF_1_DELTA_IBIAS_INIT_S - 4 )) >> 28;
        deltaAdjust += (int32_t)ibiasInit;
        if ( deltaAdjust < 0 ) {
           deltaAdjust = 0;
        }
        if ( deltaAdjust > ( DDI_0_OSC_AMPCOMPCTL_IBIAS_INIT_M >> DDI_0_OSC_AMPCOMPCTL_IBIAS_INIT_S )) {
            deltaAdjust  = ( DDI_0_OSC_AMPCOMPCTL_IBIAS_INIT_M >> DDI_0_OSC_AMPCOMPCTL_IBIAS_INIT_S );
        }
        ibiasInit = (uint32_t)deltaAdjust;
    }
    ui32TrimValue = ( ibiasOffset << DDI_0_OSC_AMPCOMPCTL_IBIAS_OFFSET_S ) |
                    ( ibiasInit   << DDI_0_OSC_AMPCOMPCTL_IBIAS_INIT_S   ) ;

    ui32TrimValue |= (((ui32Fcfg1Value &
                        FCFG1_AMPCOMP_CTRL1_LPM_IBIAS_WAIT_CNT_FINAL_M)>>
                        FCFG1_AMPCOMP_CTRL1_LPM_IBIAS_WAIT_CNT_FINAL_S)<<
                       DDI_0_OSC_AMPCOMPCTL_LPM_IBIAS_WAIT_CNT_FINAL_S);
    ui32TrimValue |= (((ui32Fcfg1Value &
                        FCFG1_AMPCOMP_CTRL1_CAP_STEP_M)>>
                        FCFG1_AMPCOMP_CTRL1_CAP_STEP_S)<<
                       DDI_0_OSC_AMPCOMPCTL_CAP_STEP_S);
    ui32TrimValue |= (((ui32Fcfg1Value &
                        FCFG1_AMPCOMP_CTRL1_IBIASCAP_HPTOLP_OL_CNT_M)>>
                        FCFG1_AMPCOMP_CTRL1_IBIASCAP_HPTOLP_OL_CNT_S)<<
                       DDI_0_OSC_AMPCOMPCTL_IBIASCAP_HPTOLP_OL_CNT_S);

    if ( ui32Fcfg1Revision >= 0x00000022 ) {
        ui32TrimValue |= ((( ui32Fcfg1Value &
            FCFG1_AMPCOMP_CTRL1_AMPCOMP_REQ_MODE_M ) >>
            FCFG1_AMPCOMP_CTRL1_AMPCOMP_REQ_MODE_S ) <<
           DDI_0_OSC_AMPCOMPCTL_AMPCOMP_REQ_MODE_S );
    }

    return(ui32TrimValue);
}

//*****************************************************************************
//
//! \brief Returns the trim value from FCFG1 to be used as DBLR_LOOP_FILTER_RESET_VOLTAGE setting.
//
//*****************************************************************************
uint32_t
SetupGetTrimForDblrLoopFilterResetVoltage( uint32_t ui32Fcfg1Revision )
{
   uint32_t dblrLoopFilterResetVoltageValue = 0; // Reset value

   if ( ui32Fcfg1Revision >= 0x00000020 ) {
      dblrLoopFilterResetVoltageValue = ( HWREG( FCFG1_BASE + FCFG1_O_MISC_OTP_DATA_1 ) &
         FCFG1_MISC_OTP_DATA_1_DBLR_LOOP_FILTER_RESET_VOLTAGE_M ) >>
         FCFG1_MISC_OTP_DATA_1_DBLR_LOOP_FILTER_RESET_VOLTAGE_S;
   }

   return ( dblrLoopFilterResetVoltageValue );
}

//*****************************************************************************
//
//! \brief Returns the trim value from FCFG1 to be used as ADC_SH_MODE_EN setting.
//
//*****************************************************************************
uint32_t
SetupGetTrimForAdcShModeEn( uint32_t ui32Fcfg1Revision )
{
   uint32_t getTrimForAdcShModeEnValue = 1; // Recommended default setting

   if ( ui32Fcfg1Revision >= 0x00000022 ) {
      getTrimForAdcShModeEnValue = ( HWREG( FCFG1_BASE + FCFG1_O_OSC_CONF ) &
         FCFG1_OSC_CONF_ADC_SH_MODE_EN_M ) >>
         FCFG1_OSC_CONF_ADC_SH_MODE_EN_S;
   }

   return ( getTrimForAdcShModeEnValue );
}

//*****************************************************************************
//
//! \brief Returns the trim value from FCFG1 to be used as ADC_SH_VBUF_EN setting.
//
//*****************************************************************************
uint32_t
SetupGetTrimForAdcShVbufEn( uint32_t ui32Fcfg1Revision )
{
   uint32_t getTrimForAdcShVbufEnValue = 1; // Recommended default setting

   if ( ui32Fcfg1Revision >= 0x00000022 ) {
      getTrimForAdcShVbufEnValue = ( HWREG( FCFG1_BASE + FCFG1_O_OSC_CONF ) &
         FCFG1_OSC_CONF_ADC_SH_VBUF_EN_M ) >>
         FCFG1_OSC_CONF_ADC_SH_VBUF_EN_S;
   }

   return ( getTrimForAdcShVbufEnValue );
}

//*****************************************************************************
//
//! \brief Returns the trim value to be used for the XOSCHFCTL register in OSC_DIG.
//
//*****************************************************************************
uint32_t
SetupGetTrimForXoscHfCtl( uint32_t ui32Fcfg1Revision )
{
   uint32_t getTrimForXoschfCtlValue = 0; // Recommended default setting
   uint32_t fcfg1Data;

   if ( ui32Fcfg1Revision >= 0x00000020 ) {
      fcfg1Data = HWREG( FCFG1_BASE + FCFG1_O_MISC_OTP_DATA_1 );
      getTrimForXoschfCtlValue =
         ( ( ( fcfg1Data & FCFG1_MISC_OTP_DATA_1_PEAK_DET_ITRIM_M ) >>
             FCFG1_MISC_OTP_DATA_1_PEAK_DET_ITRIM_S ) <<
           DDI_0_OSC_XOSCHFCTL_PEAK_DET_ITRIM_S);

      getTrimForXoschfCtlValue |=
         ( ( ( fcfg1Data & FCFG1_MISC_OTP_DATA_1_HP_BUF_ITRIM_M ) >>
             FCFG1_MISC_OTP_DATA_1_HP_BUF_ITRIM_S ) <<
           DDI_0_OSC_XOSCHFCTL_HP_BUF_ITRIM_S);

      getTrimForXoschfCtlValue |=
         ( ( ( fcfg1Data & FCFG1_MISC_OTP_DATA_1_LP_BUF_ITRIM_M ) >>
             FCFG1_MISC_OTP_DATA_1_LP_BUF_ITRIM_S ) <<
           DDI_0_OSC_XOSCHFCTL_LP_BUF_ITRIM_S);
   }

   return ( getTrimForXoschfCtlValue );
}

//*****************************************************************************
//
//! \brief Returns the trim value to be used as OSC_DIG:CTL1.XOSC_HF_FAST_START.
//
//*****************************************************************************
uint32_t
SetupGetTrimForXoscHfFastStart( void )
{
   uint32_t ui32XoscHfFastStartValue   ;

   // Get value from FCFG1
   ui32XoscHfFastStartValue = ( HWREG( FCFG1_BASE + FCFG1_O_OSC_CONF ) &
      FCFG1_OSC_CONF_XOSC_HF_FAST_START_M ) >>
      FCFG1_OSC_CONF_XOSC_HF_FAST_START_S;

   return ( ui32XoscHfFastStartValue );
}

//*****************************************************************************
//
//! \brief Returns the trim value to be used for the RADCEXTCFG register in OSC_DIG.
//
//*****************************************************************************
uint32_t
SetupGetTrimForRadcExtCfg( uint32_t ui32Fcfg1Revision )
{
   uint32_t getTrimForRadcExtCfgValue = 0x403F8000; // Recommended default setting
   uint32_t fcfg1Data;

   if ( ui32Fcfg1Revision >= 0x00000020 ) {
      fcfg1Data = HWREG( FCFG1_BASE + FCFG1_O_MISC_OTP_DATA_1 );
      getTrimForRadcExtCfgValue =
         ( ( ( fcfg1Data & FCFG1_MISC_OTP_DATA_1_HPM_IBIAS_WAIT_CNT_M ) >>
             FCFG1_MISC_OTP_DATA_1_HPM_IBIAS_WAIT_CNT_S ) <<
           DDI_0_OSC_RADCEXTCFG_HPM_IBIAS_WAIT_CNT_S);

      getTrimForRadcExtCfgValue |=
         ( ( ( fcfg1Data & FCFG1_MISC_OTP_DATA_1_LPM_IBIAS_WAIT_CNT_M ) >>
             FCFG1_MISC_OTP_DATA_1_LPM_IBIAS_WAIT_CNT_S ) <<
           DDI_0_OSC_RADCEXTCFG_LPM_IBIAS_WAIT_CNT_S);

      getTrimForRadcExtCfgValue |=
         ( ( ( fcfg1Data & FCFG1_MISC_OTP_DATA_1_IDAC_STEP_M ) >>
             FCFG1_MISC_OTP_DATA_1_IDAC_STEP_S ) <<
           DDI_0_OSC_RADCEXTCFG_IDAC_STEP_S);
   }

   return ( getTrimForRadcExtCfgValue );
}

//*****************************************************************************
//
//! \brief Returns the FCFG1 OSC_CONF_ATESTLF_RCOSCLF_IBIAS_TRIM.
//
//*****************************************************************************
uint32_t
SetupGetTrimForRcOscLfIBiasTrim( uint32_t ui32Fcfg1Revision )
{
   uint32_t trimForRcOscLfIBiasTrimValue = 0; // Default value

   if ( ui32Fcfg1Revision >= 0x00000022 ) {
      trimForRcOscLfIBiasTrimValue = ( HWREG( FCFG1_BASE + FCFG1_O_OSC_CONF ) &
         FCFG1_OSC_CONF_ATESTLF_RCOSCLF_IBIAS_TRIM_M ) >>
         FCFG1_OSC_CONF_ATESTLF_RCOSCLF_IBIAS_TRIM_S ;
   }

   return ( trimForRcOscLfIBiasTrimValue );
}

//*****************************************************************************
//
//! \brief Returns XOSCLF_REGULATOR_TRIM and XOSCLF_CMIRRWR_RATIO as one packet
//! spanning bits [5:0] in the returned value.
//
//*****************************************************************************
uint32_t
SetupGetTrimForXoscLfRegulatorAndCmirrwrRatio( uint32_t ui32Fcfg1Revision )
{
   uint32_t trimForXoscLfRegulatorAndCmirrwrRatioValue = 0; // Default value for both fields

   if ( ui32Fcfg1Revision >= 0x00000022 ) {
      trimForXoscLfRegulatorAndCmirrwrRatioValue = ( HWREG( FCFG1_BASE + FCFG1_O_OSC_CONF ) &
         ( FCFG1_OSC_CONF_XOSCLF_REGULATOR_TRIM_M |
           FCFG1_OSC_CONF_XOSCLF_CMIRRWR_RATIO_M  )) >>
           FCFG1_OSC_CONF_XOSCLF_CMIRRWR_RATIO_S  ;
   }

   return ( trimForXoscLfRegulatorAndCmirrwrRatioValue );
}

//*****************************************************************************
//
//! \brief Sign extend the VDDR_TRIM setting (special format ranging from -10 to +21)
//!
//! \return
//
//*****************************************************************************
int32_t
SetupSignExtendVddrTrimValue( uint32_t ui32VddrTrimVal )
{
    //
    // The VDDR trim value is 5 bits representing the range from -10 to +21
    // (where -10=0x16, -1=0x1F, 0=0x00, 1=0x01 and +21=0x15)
    //
    int32_t i32SignedVddrVal = ui32VddrTrimVal;
    if ( i32SignedVddrVal > 0x15 ) {
        i32SignedVddrVal -= 0x20;
    }
    return ( i32SignedVddrVal );
}

//*****************************************************************************
//
//! \brief Set correct VIMS_MODE according to CCFG setting (CACHE or GPRAM)
//!
//! \return None
//
//*****************************************************************************
void
SetupSetCacheModeAccordingToCcfgSetting( void )
{
    //
    // - Make sure to enable aggressive VIMS clock gating for power optimization
    //   Only for PG2 devices.
    // - Enable cache prefetch enable as default setting
    //   (Slightly higher power consumption, but higher CPU performance)
    // - IF ( CCFG_..._DIS_GPRAM == 1 )
    //   then: Enable cache (set cache mode = 1), even if set by ROM boot code
    //         (This is done because it's not set by boot code when running inside
    //         a debugger supporting the Halt In Boot (HIB) functionality).
    //   else: Set MODE_GPRAM if not already set (see inline comments as well)
    //
    uint32_t vimsCtlMode0 ;

    while ( HWREGBITW( VIMS_BASE + VIMS_O_STAT, VIMS_STAT_MODE_CHANGING_BITN )) {
        // Do nothing - wait for an eventual ongoing mode change to complete.
        // (There should typically be no wait time here, but need to be sure)
    }

    //
    // Note that Mode=0 is equal to MODE_GPRAM
    //
    vimsCtlMode0 = (( HWREG( VIMS_BASE + VIMS_O_CTL ) & ~VIMS_CTL_MODE_M ) | VIMS_CTL_DYN_CG_EN_M | VIMS_CTL_PREF_EN_M );


    if ( HWREG( CCFG_BASE + CCFG_O_SIZE_AND_DIS_FLAGS ) & CCFG_SIZE_AND_DIS_FLAGS_DIS_GPRAM ) {
        // Enable cache (and hence disable GPRAM)
        HWREG( VIMS_BASE + VIMS_O_CTL ) = ( vimsCtlMode0 | VIMS_CTL_MODE_CACHE );
    } else if (( HWREG( VIMS_BASE + VIMS_O_STAT ) & VIMS_STAT_MODE_M ) != VIMS_STAT_MODE_GPRAM ) {
        //
        // GPRAM is enabled in CCFG but not selected
        // Note: It is recommended to go via MODE_OFF when switching to MODE_GPRAM
        //
        HWREG( VIMS_BASE + VIMS_O_CTL ) = ( vimsCtlMode0 | VIMS_CTL_MODE_OFF );
        while (( HWREG( VIMS_BASE + VIMS_O_STAT ) & VIMS_STAT_MODE_M ) != VIMS_STAT_MODE_OFF ) {
            // Do nothing - wait for an eventual mode change to complete (This goes fast).
        }
        HWREG( VIMS_BASE + VIMS_O_CTL ) = vimsCtlMode0;
    } else {
        // Correct mode, but make sure PREF_EN and DYN_CG_EN always are set
        HWREG( VIMS_BASE + VIMS_O_CTL ) = vimsCtlMode0;
    }
}

//*****************************************************************************
//
//! \brief Doing the tricky stuff needed to enter new RTCSUBSECINC value
//!
//! \return None
//
//*****************************************************************************
void
SetupSetAonRtcSubSecInc( uint32_t subSecInc )
{
   //
   // Loading a new RTCSUBSECINC value is done in 5 steps:
   // 1. Write bit[15:0] of new SUBSECINC value to AUX_WUC_O_RTCSUBSECINC0
   // 2. Write bit[23:16] of new SUBSECINC value to AUX_WUC_O_RTCSUBSECINC1
   // 3. Set AUX_WUC_RTCSUBSECINCCTL_UPD_REQ
   // 4. Wait for AUX_WUC_RTCSUBSECINCCTL_UPD_ACK
   // 5. Clear AUX_WUC_RTCSUBSECINCCTL_UPD_REQ
   //
   HWREG( AUX_WUC_BASE + AUX_WUC_O_RTCSUBSECINC0 ) = (( subSecInc       ) & AUX_WUC_RTCSUBSECINC0_INC15_0_M  );
   HWREG( AUX_WUC_BASE + AUX_WUC_O_RTCSUBSECINC1 ) = (( subSecInc >> 16 ) & AUX_WUC_RTCSUBSECINC1_INC23_16_M );

   HWREG( AUX_WUC_BASE + AUX_WUC_O_RTCSUBSECINCCTL ) = AUX_WUC_RTCSUBSECINCCTL_UPD_REQ;
   while( ! ( HWREGBITW( AUX_WUC_BASE + AUX_WUC_O_RTCSUBSECINCCTL, AUX_WUC_RTCSUBSECINCCTL_UPD_ACK_BITN )));
   HWREG( AUX_WUC_BASE + AUX_WUC_O_RTCSUBSECINCCTL ) = 0;
}