setup.c File Reference

#include "../inc/hw_types.h"
#include "../inc/hw_memmap.h"
#include "../inc/hw_adi.h"
#include "../inc/hw_adi_2_refsys.h"
#include "../inc/hw_adi_3_refsys.h"
#include "../inc/hw_aon_ioc.h"
#include "../inc/hw_aon_sysctl.h"
#include "../inc/hw_aon_wuc.h"
#include "../inc/hw_aux_wuc.h"
#include "../inc/hw_ccfg.h"
#include "../inc/hw_fcfg1.h"
#include "../inc/hw_flash.h"
#include "../inc/hw_prcm.h"
#include "../inc/hw_vims.h"
#include "aon_wuc.h"
#include "aux_wuc.h"
#include "chipinfo.h"
#include "setup.h"
#include "setup_rom.h"

Macros
#define	CPU_DELAY_MICRO_SECONDS(x)   CPUdelay(((uint32_t)((( x ) * 48.0 ) / 5.0 )) - 1 )

Functions
static void	TrimAfterColdReset (void)
	Trims to be applied when coming from PIN_RESET. More...
static void	TrimAfterColdResetWakeupFromShutDown (uint32_t ui32Fcfg1Revision)
	Trims to be applied when coming from SHUTDOWN (also called when coming from PIN_RESET). More...
static void	TrimAfterColdResetWakeupFromShutDownWakeupFromPowerDown (void)
	Trims to be applied when coming from POWER_DOWN (also called when coming from SHUTDOWN and PIN_RESET). More...
void	SetupTrimDevice (void)
	Performs the necessary trim of the device which is not done in boot code. More...

Macro Definition Documentation

#define CPU_DELAY_MICRO_SECONDS

(

x

)

CPUdelay(((uint32_t)((( x ) * 48.0 ) / 5.0 )) - 1 )

Function Documentation

static void TrimAfterColdReset ( void  )

static

Trims to be applied when coming from PIN_RESET.

Returns

None

Referenced by SetupTrimDevice().

{
    // Currently no specific trim for Cold Reset
}

static void TrimAfterColdResetWakeupFromShutDown ( uint32_t  ui32Fcfg1Revision )

static

Trims to be applied when coming from SHUTDOWN (also called when coming from PIN_RESET).

Returns

None

Referenced by SetupTrimDevice().

{
    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.
#if ( CCFG_BASE == CCFG_BASE_DEFAULT )
    SetupAfterColdResetWakeupFromShutDownCfg2( ui32Fcfg1Revision, ccfg_ModeConfReg );
#else
    NOROM_SetupAfterColdResetWakeupFromShutDownCfg2( ui32Fcfg1Revision, ccfg_ModeConfReg );
#endif

    // 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 cc13x0 and for mp1rev < 527 for cc26x0
    mp1rev = (( HWREG( FCFG1_BASE + FCFG1_O_TRIM_CAL_REVISION ) & FCFG1_TRIM_CAL_REVISION_MP1_M ) >>
                                                                  FCFG1_TRIM_CAL_REVISION_MP1_S ) ;
    if ( mp1rev < 527 ) {
        uint32_t ldoTrimReg = HWREG( FCFG1_BASE + FCFG1_O_BAT_RC_LDO_TRIM );
        uint32_t vtrim_bod  = (( ldoTrimReg & FCFG1_BAT_RC_LDO_TRIM_VTRIM_BOD_M  ) >>
                                              FCFG1_BAT_RC_LDO_TRIM_VTRIM_BOD_S  ); // bit[27:24] unsigned
        uint32_t vtrim_udig = (( ldoTrimReg & FCFG1_BAT_RC_LDO_TRIM_VTRIM_UDIG_M ) >>
                                              FCFG1_BAT_RC_LDO_TRIM_VTRIM_UDIG_S ); // bit[19:16] signed but treated as unsigned
        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.
#if ( CCFG_BASE == CCFG_BASE_DEFAULT )
    SetupAfterColdResetWakeupFromShutDownCfg3( ccfg_ModeConfReg );
#else
    NOROM_SetupAfterColdResetWakeupFromShutDownCfg3( ccfg_ModeConfReg );
#endif

    //
    // 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;
}

Here is the call graph for this function:

static void TrimAfterColdResetWakeupFromShutDownWakeupFromPowerDown ( void  )

static

Trims to be applied when coming from POWER_DOWN (also called when coming from SHUTDOWN and PIN_RESET).

Returns

None

Referenced by SetupTrimDevice().

{
    // Currently no specific trim for Powerdown
}