/** @file HL_system.c
*   @brief System Driver Source File
*   @date 11-Dec-2018
*   @version 04.07.01
*
*   This file contains:
*   - API Functions
*   .
*   which are relevant for the System driver.
*/

/*
* Copyright (C) 2009-2018 Texas Instruments Incorporated - www.ti.com
*
*
*  Redistribution and use in source and binary forms, with or without
*  modification, are permitted provided that the following conditions
*  are met:
*
*    Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
*
*    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.
*
*    Neither the name of Texas Instruments Incorporated 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
*  OWNER 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.
*
*/


/* USER CODE BEGIN (0) */
/* USER CODE END */


/* Include Files */

#include "HL_system.h"
#include "HL_reg_pcr.h"
#include "HL_pinmux.h"



/* USER CODE BEGIN (1) */
/* USER CODE END */

/** @fn void systemInit(void)
*   @brief Initializes System Driver
*
*   This function initializes the System driver.
*
*/

/* USER CODE BEGIN (2) */
/* USER CODE END */
/* SourceId : SYSTEM_SourceId_001 */
/* DesignId : SYSTEM_DesignId_001 */
/* Requirements : HL_CONQ_SYSTEM_SR3 */
void setupPLL(void)
{

/* USER CODE BEGIN (3) */
/* USER CODE END */

    /* Disable PLL1 and PLL2 */
    systemREG1->CSDISSET = 0x00000002U | 0x00000040U;
    /*SAFETYMCUSW 28 D MR:NA <APPROVED> "Hardware status bit read check" */
    while((systemREG1->CSDIS & 0x42U) != 0x42U)
    {
    /* Wait */
    }

    /* Clear Global Status Register */
    systemREG1->GBLSTAT = 0x301U;

    /** - Configure PLL control registers */
    /** @b Initialize @b Pll1: */

    /**   - Setup pll control register 1:
    *     - Setup reset on oscillator slip
    *     - Setup bypass on pll slip
    *     - setup Pll output clock divider to max before Lock
    *     - Setup reset on oscillator fail
    *     - Setup reference clock divider
    *     - Setup Pll multiplier
    */
    systemREG1->PLLCTL1 =  (uint32)0x00000000U
                        |  (uint32)0x20000000U
                        |  (uint32)((uint32)0x1FU << 24U)
                        |  (uint32)0x00000000U
                        |  (uint32)((uint32)(8U - 1U)<< 16U)
                        |  (uint32)(0x9500U);

    /**   - Setup pll control register 2
    *     - Setup spreading rate
    *     - Setup bandwidth adjustment
    *     - Setup internal Pll output divider
    *     - Setup spreading amount
    */
    systemREG1->PLLCTL2 =  (uint32)((uint32)255U << 22U)
                        |  (uint32)((uint32)7U << 12U)
                        |  (uint32)((uint32)(1U - 1U) << 9U)
                        |  (uint32)61U;

    /** @b Initialize @b Pll2: */

    /**   - Setup pll2 control register :
    *     - setup Pll output clock divider to max before Lock
    *     - Setup reference clock divider
    *     - Setup internal Pll output divider
    *     - Setup Pll multiplier
    */
    systemREG2->PLLCTL3 = (uint32)((uint32)(1U - 1U) << 29U)
                        | (uint32)((uint32)0x1FU << 24U)
                        | (uint32)((uint32)(8U - 1U)<< 16U)
                        | (uint32)(0x9500U);

    /** - Enable PLL(s) to start up or Lock */
    systemREG1->CSDIS = 0x00000000U
                      | 0x00000000U
                      | 0x00000008U
                      | 0x00000080U
                      | 0x00000000U
                      | 0x00000040U
                      | 0x00000000U
                      | 0x00000004U;
}

/** @fn void trimLPO(void)
*   @brief Initialize LPO trim values
*
*   Load TRIM values from OTP if present else call customTrimLPO() function 
*
*/
/* SourceId : SYSTEM_SourceId_002 */
/* DesignId : SYSTEM_DesignId_002 */
/* Requirements : HL_CONQ_SYSTEM_SR6 */
void trimLPO(void)
{
    uint32 u32clocktestConfig;
    /* Save user clocktest register configuration */
    u32clocktestConfig = systemREG1->CLKTEST;
/* USER CODE BEGIN (4) */
/* USER CODE END */
    /*The TRM states OTP TRIM value should be stepped to avoid large changes in the HF LPO clock that would result in a LPOCLKMON fault. At issue is the TRM does not specify what the maximum step is so there is no metric to use for the SW implementation - the routine can temporarily disable the LPOCLKMON range check so the sudden change will not cause a fault.*/
    /* Disable clock range detection*/
	
    systemREG1->CLKTEST = (systemREG1->CLKTEST 
                        | (uint32)((uint32)0x1U << 24U))
                        & (uint32)(~((uint32)0x1U << 25U));   
    /*SAFETYMCUSW 139 S MR:13.7 <APPROVED> "Hardware status bit read check" */
    if(LPO_TRIM_VALUE != 0xFFFFU)
    {

        systemREG1->LPOMONCTL  = (uint32)((uint32)1U << 24U)
                               | (uint32)((uint32)LPO_TRIM_VALUE);
    }
    else
    {
    
        customTrimLPO();
        
    }
    
    /* Restore the user clocktest register value configuration */
    systemREG1->CLKTEST = u32clocktestConfig;

/* USER CODE BEGIN (5) */
/* USER CODE END */

}


/* SourceId : SYSTEM_SourceId_003 */
/* DesignId : SYSTEM_DesignId_003 */
/* Requirements : HL_CONQ_SYSTEM_SR5 */
void setupFlash(void)
{

/* USER CODE BEGIN (6) */
/* USER CODE END */

    /** - Setup flash read mode, address wait states and data wait states */
    flashWREG->FRDCNTL =  0x00000000U
                       | (uint32)((uint32)3U << 8U)
                       |  3U;

    /** - Setup flash access wait states for bank 7 */
    FSM_WR_ENA_HL    = 0x5U;
    EEPROM_CONFIG_HL = 0x00000002U
                     | (uint32)((uint32)9U << 16U) ;

/* USER CODE BEGIN (7) */
/* USER CODE END */

    /** - Disable write access to flash state machine registers */
    FSM_WR_ENA_HL    = 0x2U;

    /** - Setup flash bank power modes */
    flashWREG->FBPWRMODE = 0x00000000U
                          | (uint32)((uint32)SYS_ACTIVE << 14U) /* BANK 7 */
                          | (uint32)((uint32)SYS_ACTIVE << 2U)  /* BANK 1 */
                          | (uint32)((uint32)SYS_ACTIVE << 0U); /* BANK 0 */

/* USER CODE BEGIN (8) */
/* USER CODE END */
}

/* SourceId : SYSTEM_SourceId_004 */
/* DesignId : SYSTEM_DesignId_004 */
/* Requirements : HL_CONQ_SYSTEM_SR4 */
void periphInit(void)
{

/* USER CODE BEGIN (9) */
/* USER CODE END */

    /** - Disable Peripherals before peripheral powerup*/
    systemREG1->CLKCNTL &= 0xFFFFFEFFU;

    /** - Release peripherals from reset and enable clocks to all peripherals */
    /** - Power-up all peripherals */
    pcrREG1->PSPWRDWNCLR0 = 0xFFFFFFFFU;
    pcrREG1->PSPWRDWNCLR1 = 0xFFFFFFFFU;
    pcrREG1->PSPWRDWNCLR2 = 0xFFFFFFFFU;
    pcrREG1->PSPWRDWNCLR3 = 0xFFFFFFFFU;

    pcrREG2->PSPWRDWNCLR0 = 0xFFFFFFFFU;
    pcrREG2->PSPWRDWNCLR1 = 0xFFFFFFFFU;
    pcrREG2->PSPWRDWNCLR2 = 0xFFFFFFFFU;
    pcrREG2->PSPWRDWNCLR3 = 0xFFFFFFFFU;

    pcrREG3->PSPWRDWNCLR0 = 0xFFFFFFFFU;
    pcrREG3->PSPWRDWNCLR1 = 0xFFFFFFFFU;
    pcrREG3->PSPWRDWNCLR2 = 0xFFFFFFFFU;
    pcrREG3->PSPWRDWNCLR3 = 0xFFFFFFFFU;

    /** - Enable Peripherals */
    systemREG1->CLKCNTL |= 0x00000100U;

/* USER CODE BEGIN (10) */
/* USER CODE END */

}

/* SourceId : SYSTEM_SourceId_005 */
/* DesignId : SYSTEM_DesignId_005 */
/* Requirements : HL_CONQ_SYSTEM_SR7 */
void mapClocks(void)
{
    uint32 SYS_CSVSTAT, SYS_CSDIS;

/* USER CODE BEGIN (11) */
/* USER CODE END */

    /** @b Initialize @b Clock @b Tree: */
    /** - Setup system clock divider for HCLK */
    systemREG2->HCLKCNTL = 1U;

    /** - Disable / Enable clock domain */
    systemREG1->CDDIS = (uint32)((uint32)0U << 4U ) /* AVCLK1 , 1 - OFF, 0 - ON */
                      | (uint32)((uint32)1U << 5U ) /* AVCLK2 , 1 - OFF, 0 - ON */
                      | (uint32)((uint32)0U << 8U ) /* VCLK3 , 1 - OFF, 0 - ON */
                      | (uint32)((uint32)0U << 9U ) /* VCLK4 , 1 - OFF, 0 - ON */
                      | (uint32)((uint32)0U << 10U) /* AVCLK3 , 1 - OFF, 0 - ON */
                      | (uint32)((uint32)0U << 11U); /* AVCLK4 , 1 - OFF, 0 - ON */


    /* Always check the CSDIS register to make sure the clock source is turned on and check
     * the CSVSTAT register to make sure the clock source is valid. Then write to GHVSRC to switch the clock.
     */
    /** - Wait for until clocks are locked */
    SYS_CSVSTAT = systemREG1->CSVSTAT;
    SYS_CSDIS = systemREG1->CSDIS;
    while ((SYS_CSVSTAT & ((SYS_CSDIS ^ 0xFFU) & 0xFFU)) != ((SYS_CSDIS ^ 0xFFU) & 0xFFU))
    {
        SYS_CSVSTAT = systemREG1->CSVSTAT;
        SYS_CSDIS = systemREG1->CSDIS;
    } /* Wait */

/* USER CODE BEGIN (12) */
/* USER CODE END */

    /** - Map device clock domains to desired sources and configure top-level dividers */
    /** - All clock domains are working off the default clock sources until now */
    /** - The below assignments can be easily modified using the HALCoGen GUI */

    /** - Setup GCLK, HCLK and VCLK clock source for normal operation, power down mode and after wakeup */
    systemREG1->GHVSRC = (uint32)((uint32)SYS_PLL1 << 24U)
                       | (uint32)((uint32)SYS_PLL1 << 16U)
                       | (uint32)((uint32)SYS_PLL1 << 0U);

    /** - Setup RTICLK1 and RTICLK2 clocks */
    systemREG1->RCLKSRC = (uint32)((uint32)1U << 24U)        /* RTI2 divider (Not applicable for lock-step device)  */
                        | (uint32)((uint32)SYS_VCLK << 16U) /* RTI2 clock source (Not applicable for lock-step device) */
                        | (uint32)((uint32)1U << 8U)         /* RTI1 divider */
                        | (uint32)((uint32)SYS_VCLK << 0U); /* RTI1 clock source */

    /** - Setup asynchronous peripheral clock sources for AVCLK1 and AVCLK2 */
    systemREG1->VCLKASRC = (uint32)((uint32)SYS_VCLK << 8U)
                         | (uint32)((uint32)SYS_VCLK << 0U);

    /** - Setup synchronous peripheral clock dividers for VCLK1, VCLK2, VCLK3 */
    systemREG1->CLKCNTL  = (systemREG1->CLKCNTL & 0xF0FFFFFFU)
                         | (uint32)((uint32)1U << 24U);
    systemREG1->CLKCNTL  = (systemREG1->CLKCNTL & 0xFFF0FFFFU)
                         | (uint32)((uint32)1U << 16U);

    systemREG2->CLK2CNTRL = (systemREG2->CLK2CNTRL & 0xFFFFFFF0U)
                         | (uint32)((uint32)1U << 0U);

    systemREG2->VCLKACON1 =  (uint32)((uint32)(2U - 1U) << 24U)
                           | (uint32)((uint32)0U << 20U)
                           | (uint32)((uint32)SYS_VCLK << 16U)
                           | (uint32)((uint32)(1U - 1U) << 8U)
                           | (uint32)((uint32)0U << 4U)
                           | (uint32)((uint32)SYS_VCLK << 0U);

/* USER CODE BEGIN (13) */
/* USER CODE END */

    /* Now the PLLs are locked and the PLL outputs can be sped up */
    /* The R-divider was programmed to be 0xF. Now this divider is changed to programmed value */
    systemREG1->PLLCTL1 = (systemREG1->PLLCTL1 & 0xE0FFFFFFU) | (uint32)((uint32)(1U - 1U) << 24U);
    /*SAFETYMCUSW 134 S MR:12.2 <APPROVED> " Clear and write to the volatile register " */
    systemREG2->PLLCTL3 = (systemREG2->PLLCTL3 & 0xE0FFFFFFU) | (uint32)((uint32)(1U - 1U) << 24U);

    /* Enable/Disable Frequency modulation */
    systemREG1->PLLCTL2 |= 0x00000000U;

/* USER CODE BEGIN (14) */
/* USER CODE END */

}

/* SourceId : SYSTEM_SourceId_006 */
/* DesignId : SYSTEM_DesignId_006 */
/* Requirements : HL_CONQ_SYSTEM_SR2 */
void systemInit(void)
{
/* USER CODE BEGIN (15) */
/* USER CODE END */

    /* Configure PLL control registers and enable PLLs.
     * The PLL takes (127 + 1024 * NR) oscillator cycles to acquire lock.
     * This initialization sequence performs all the tasks that are not
     * required to be done at full application speed while the PLL locks.
     */
    setupPLL();


/* USER CODE BEGIN (16) */
/* USER CODE END */

    /* Enable clocks to peripherals and release peripheral reset */
    periphInit();

/* USER CODE BEGIN (17) */
/* USER CODE END */

    /* Configure device-level multiplexing and I/O multiplexing */
    muxInit();

/* USER CODE BEGIN (18) */
/* USER CODE END */

    /** - Set up flash address and data wait states based on the target CPU clock frequency
     * The number of address and data wait states for the target CPU clock frequency are specified
     * in the specific part's datasheet.
     */
    setupFlash();

/* USER CODE BEGIN (19) */
/* USER CODE END */

    /** - Configure the LPO such that HF LPO is as close to 10MHz as possible */
    trimLPO();



/* USER CODE BEGIN (20) */
/* USER CODE END */

    /** - Wait for PLLs to start up and map clock domains to desired clock sources */
    mapClocks();

/* USER CODE BEGIN (21) */
/* USER CODE END */

    /** - set ECLK pins functional mode */
    systemREG1->SYSPC1 = 1U;

    /** - set ECLK pins default output value */
    systemREG1->SYSPC4 = 0U;

    /** - set ECLK pins output direction */
    systemREG1->SYSPC2 = 1U;

    /** - set ECLK pins open drain enable */
    systemREG1->SYSPC7 = 0U;

    /** - set ECLK pins pullup/pulldown enable */
    systemREG1->SYSPC8 = 0U;

    /** - set ECLK pins pullup/pulldown select */
    systemREG1->SYSPC9 = 1U;

    /** - Setup ECLK */
    systemREG1->ECPCNTL = (uint32)((uint32)0U << 24U)
                        | (uint32)((uint32)1U << 23U)
                        | (uint32)((uint32)(3U - 1U) & 0xFFFFU);

/* USER CODE BEGIN (22) */
/* USER CODE END */
}

/* SourceId : SYSTEM_SourceId_007 */
/* DesignId : SYSTEM_DesignId_007 */
/* Requirements : HL_CONQ_SYSTEM_SR8 */
void systemPowerDown(uint32 mode)
{

/* USER CODE BEGIN (23) */
/* USER CODE END */

    /* Disable clock sources */
    systemREG1->CSDISSET = mode & 0x000000FFU;

    /* Disable clock domains */
    systemREG1->CDDIS = (mode >> 8U) & 0x00000FFFU;

    /* Idle CPU */
    /*SAFETYMCUSW 88 S MR:2.1 <APPROVED> "Assembly in C needed" */
    _gotoCPUIdle_();

/* USER CODE BEGIN (24) */
/* USER CODE END */

}

/* USER CODE BEGIN (25) */
/* USER CODE END */

/* SourceId : SYSTEM_SourceId_008 */
/* DesignId : SYSTEM_DesignId_008 */
/* Requirements : HL_CONQ_SYSTEM_SR9 */
resetSource_t getResetSource(void) 
{ 
    register resetSource_t rst_source; 
        
    if ((SYS_EXCEPTION & (uint32)POWERON_RESET) != 0U)
    { 
        /* power-on reset condition */
        rst_source = POWERON_RESET;
        /* Clear all exception status Flag and proceed since it's power up */ 
        SYS_EXCEPTION = 0x0000FFFFU;        
    }

    else if ((SYS_EXCEPTION & (uint32)EXT_RESET) != 0U) 
    {      
        SYS_EXCEPTION = (uint32)EXT_RESET; 
        /*** Check for other causes of EXT_RESET that would take precedence **/
        if ((SYS_EXCEPTION & (uint32)OSC_FAILURE_RESET) != 0U)
        { 
            /* Reset caused due to oscillator failure. Add user code here to handle oscillator failure */ 
            rst_source = OSC_FAILURE_RESET; 
            SYS_EXCEPTION = (uint32)OSC_FAILURE_RESET; 
        }
        else if ((SYS_EXCEPTION & (uint32)WATCHDOG_RESET) !=0U)
        { 
            /* Reset caused due watchdog violation */ 
            rst_source = WATCHDOG_RESET; 
            SYS_EXCEPTION = (uint32)WATCHDOG_RESET; 
        }
        else if ((SYS_EXCEPTION & (uint32)WATCHDOG2_RESET) !=0U)
        { 
            /* Reset caused due watchdog violation */ 
            rst_source = WATCHDOG2_RESET; 
            SYS_EXCEPTION = (uint32)WATCHDOG2_RESET; 
        }
        else if ((SYS_EXCEPTION & (uint32)SW_RESET) != 0U)
        { 
            /* Reset caused due to software reset. */ 
            rst_source = SW_RESET; 
            SYS_EXCEPTION = (uint32)SW_RESET; 
        }
		else
		{
			/* Reset caused due to External reset. */ 
            rst_source = EXT_RESET; 
		}
    } 
    else if ((SYS_EXCEPTION & (uint32)DEBUG_RESET) !=0U)
    { 
        /* Reset caused due Debug reset request */ 
        rst_source = DEBUG_RESET; 
        SYS_EXCEPTION = (uint32)DEBUG_RESET; 
    }
    else if ((SYS_EXCEPTION & (uint32)CPU0_RESET) !=0U)
    {     
        /* Reset caused due to CPU0 reset. CPU reset can be caused by CPU self-test completion, or by toggling the "CPU RESET" bit of the CPU Reset Control Register. */ 
        rst_source = CPU0_RESET; 
        SYS_EXCEPTION = (uint32)CPU0_RESET; 
    }
    else
    {
        /* No_reset occured. */ 
        rst_source = NO_RESET; 
    }
    return rst_source; 
}


/* USER CODE BEGIN (26) */
/* USER CODE END */

/* SourceId : SYSTEM_SourceId_009 */
/* DesignId : SYSTEM_DesignId_009 */
/* Requirements : HL_CONQ_SYSTEM_SR10 */
/** @fn void systemGetConfigValue(system_config_reg_t *config_reg, config_value_type_t type)
*   @brief Get the initial or current values of the configuration registers
*
*    @param[in] *config_reg: pointer to the struct to which the initial or current
*                           value of the configuration registers need to be stored
*    @param[in] type:     whether initial or current value of the configuration registers need to be stored
*                        - InitialValue: initial value of the configuration registers will be stored
*                                       in the struct pointed by config_reg
*                        - CurrentValue: initial value of the configuration registers will be stored
*                                       in the struct pointed by config_reg
*
*   This function will copy the initial or current value (depending on the parameter 'type')
*   of the configuration registers to the struct pointed by config_reg
*/
void systemGetConfigValue(system_config_reg_t *config_reg, config_value_type_t type)
{
    if (type == InitialValue)
    {
        config_reg->CONFIG_SYSPC1      = SYS_SYSPC1_CONFIGVALUE;
        config_reg->CONFIG_SYSPC2      = SYS_SYSPC2_CONFIGVALUE;
        config_reg->CONFIG_SYSPC7      = SYS_SYSPC7_CONFIGVALUE;
        config_reg->CONFIG_SYSPC8      = SYS_SYSPC8_CONFIGVALUE;
        config_reg->CONFIG_SYSPC9      = SYS_SYSPC9_CONFIGVALUE;
        config_reg->CONFIG_CSDIS       = SYS_CSDIS_CONFIGVALUE;
        config_reg->CONFIG_CDDIS       = SYS_CDDIS_CONFIGVALUE;
        config_reg->CONFIG_GHVSRC      = SYS_GHVSRC_CONFIGVALUE;
        config_reg->CONFIG_VCLKASRC    = SYS_VCLKASRC_CONFIGVALUE;
        config_reg->CONFIG_RCLKSRC     = SYS_RCLKSRC_CONFIGVALUE;
        config_reg->CONFIG_MSTGCR      = SYS_MSTGCR_CONFIGVALUE;
        config_reg->CONFIG_MINITGCR    = SYS_MINITGCR_CONFIGVALUE;
        config_reg->CONFIG_MSINENA     = SYS_MSINENA_CONFIGVALUE;
        config_reg->CONFIG_PLLCTL1     = SYS_PLLCTL1_CONFIGVALUE_2;
        config_reg->CONFIG_PLLCTL2     = SYS_PLLCTL2_CONFIGVALUE;
        config_reg->CONFIG_SYSPC10     = SYS_SYSPC10_CONFIGVALUE;
        if(LPO_TRIM_VALUE != 0xFFFFU)
        {
            config_reg->CONFIG_LPOMONCTL = SYS_LPOMONCTL_CONFIGVALUE_1;
        }
        else
        {
            config_reg->CONFIG_LPOMONCTL = SYS_LPOMONCTL_CONFIGVALUE_2;
        }
        config_reg->CONFIG_CLKTEST     = SYS_CLKTEST_CONFIGVALUE;
        config_reg->CONFIG_DFTCTRLREG1 = SYS_DFTCTRLREG1_CONFIGVALUE;
        config_reg->CONFIG_DFTCTRLREG2 = SYS_DFTCTRLREG2_CONFIGVALUE;
        config_reg->CONFIG_GPREG1      = SYS_GPREG1_CONFIGVALUE;
        config_reg->CONFIG_RAMGCR      = SYS_RAMGCR_CONFIGVALUE;
        config_reg->CONFIG_BMMCR1      = SYS_BMMCR1_CONFIGVALUE;
        config_reg->CONFIG_CLKCNTL     = SYS_CLKCNTL_CONFIGVALUE;
        config_reg->CONFIG_ECPCNTL     = SYS_ECPCNTL_CONFIGVALUE;
        config_reg->CONFIG_DEVCR1      = SYS_DEVCR1_CONFIGVALUE;
        config_reg->CONFIG_SYSECR      = SYS_SYSECR_CONFIGVALUE;
        config_reg->CONFIG_PLLCTL3     = SYS2_PLLCTL3_CONFIGVALUE_2;
        config_reg->CONFIG_STCCLKDIV   = SYS2_STCCLKDIV_CONFIGVALUE;
        config_reg->CONFIG_ECPCNTL1    = SYS2_ECPCNTL1_CONFIGVALUE;
        config_reg->CONFIG_CLK2CNTRL   = SYS2_CLK2CNTRL_CONFIGVALUE;
        config_reg->CONFIG_VCLKACON1   = SYS2_VCLKACON1_CONFIGVALUE;
        config_reg->CONFIG_HCLKCNTL    = SYS2_HCLKCNTL_CONFIGVALUE;
        config_reg->CONFIG_CLKSLIP     = SYS2_CLKSLIP_CONFIGVALUE;
        config_reg->CONFIG_EFC_CTLEN   = SYS2_EFC_CTLEN_CONFIGVALUE;
    }
    else
    {
        config_reg->CONFIG_SYSPC1      = systemREG1->SYSPC1;
        config_reg->CONFIG_SYSPC2      = systemREG1->SYSPC2;
        config_reg->CONFIG_SYSPC7      = systemREG1->SYSPC7;
        config_reg->CONFIG_SYSPC8      = systemREG1->SYSPC8;
        config_reg->CONFIG_SYSPC9      = systemREG1->SYSPC9;
        config_reg->CONFIG_CSDIS       = systemREG1->CSDIS;
        config_reg->CONFIG_CDDIS       = systemREG1->CDDIS;
        config_reg->CONFIG_GHVSRC      = systemREG1->GHVSRC;
        config_reg->CONFIG_VCLKASRC    = systemREG1->VCLKASRC;
        config_reg->CONFIG_RCLKSRC     = systemREG1->RCLKSRC;
        config_reg->CONFIG_MSTGCR      = systemREG1->MSTGCR;
        config_reg->CONFIG_MINITGCR    = systemREG1->MINITGCR;
        config_reg->CONFIG_MSINENA     = systemREG1->MSINENA;
        config_reg->CONFIG_PLLCTL1     = systemREG1->PLLCTL1;
        config_reg->CONFIG_PLLCTL2     = systemREG1->PLLCTL2;
        config_reg->CONFIG_SYSPC10     = systemREG1->SYSPC10;
        config_reg->CONFIG_LPOMONCTL   = systemREG1->LPOMONCTL;
        config_reg->CONFIG_CLKTEST     = systemREG1->CLKTEST;
        config_reg->CONFIG_DFTCTRLREG1 = systemREG1->DFTCTRLREG1;
        config_reg->CONFIG_DFTCTRLREG2 = systemREG1->DFTCTRLREG2;
        config_reg->CONFIG_GPREG1      = systemREG1->GPREG1;
        config_reg->CONFIG_RAMGCR      = systemREG1->RAMGCR;
        config_reg->CONFIG_BMMCR1      = systemREG1->BMMCR1;
        config_reg->CONFIG_CLKCNTL     = systemREG1->CLKCNTL;
        config_reg->CONFIG_ECPCNTL     = systemREG1->ECPCNTL;
        config_reg->CONFIG_DEVCR1      = systemREG1->DEVCR1;
        config_reg->CONFIG_SYSECR      = systemREG1->SYSECR;
        config_reg->CONFIG_PLLCTL3     = systemREG2->PLLCTL3;
        config_reg->CONFIG_STCCLKDIV   = systemREG2->STCCLKDIV;
        config_reg->CONFIG_ECPCNTL1    = systemREG2->ECPCNTL1;
        config_reg->CONFIG_CLK2CNTRL   = systemREG2->CLK2CNTRL;
        config_reg->CONFIG_VCLKACON1   = systemREG2->VCLKACON1;
        config_reg->CONFIG_HCLKCNTL    = systemREG2->HCLKCNTL;
        config_reg->CONFIG_CLKSLIP     = systemREG2->CLKSLIP;
        config_reg->CONFIG_EFC_CTLEN   = systemREG2->EFC_CTLEN;
    }
}

/** @fn customTrimLPO(void)
*   @brief custom function to initilize LPO trim values
*
*   This function initializes default LPO trim values if OTP value is 0XFFFF,
*   user can also write their own code to handle this case .
*
*/
void customTrimLPO(void)
{
    /* User can write logic to handle the case where LPO trim is set to 0xFFFFu */
/* USER CODE BEGIN (27) */
/* USER CODE END */
    
    /* Load default trimLPO value */
     systemREG1->LPOMONCTL   = (uint32)((uint32)1U << 24U)
                             | (uint32)((uint32)16U << 8U)
                             | (uint32)((uint32)16U);
                                
/* USER CODE BEGIN (28) */
/* USER CODE END */
}
