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_ddi_0_osc.h"
#include "../inc/hw_ddi.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 ROM 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).

Parameters

ui32Fcfg1Revision

Returns

None

Referenced by SetupTrimDevice().

{
    uint32_t   ccfg_ModeConfReg  ;

    // 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;

    // Check in CCFG for alternative DCDC setting
    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 ));

    }

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

    {
        // Check if the RCOSC_HF trims have to be reloaded - this is a workaround needed on one specific production lot
        uint32_t fcfg1MiscTrimReg = HWREG( FCFG1_BASE + FCFG1_O_MISC_TRIM );
        if (( fcfg1MiscTrimReg & 0x80000000 ) == 0 ) {
            // Reload the RCOSCHF_CTRIM with the CTRIM found in the FCFG1 shadow register.
            HWREGB( AUX_DDI0_OSC_BASE + DDI_0_OSC_O_RCOSCHFCTL + 1 ) =
               ((( HWREG( FCFG1_BASE + FCFG1_O_SHDW_OSC_BIAS_LDO_TRIM ) & FCFG1_SHDW_OSC_BIAS_LDO_TRIM_RCOSCHF_CTRIM_M ) >> FCFG1_SHDW_OSC_BIAS_LDO_TRIM_RCOSCHF_CTRIM_S ) ^ 0xC0 );
            // Reload the RCOSCHF_FINE_RESISTOR trim with the MISC_TRIM[30:29] (Mask bits in [7:6]=0xC0, Data in [3:2](0xC) (shift(29-2))
            HWREGB( AUX_DDI0_OSC_BASE + DDI_O_MASK4B + ( DDI_0_OSC_O_ATESTCTL * 2 ) + 2 ) = ( 0xC0 | (( fcfg1MiscTrimReg >> 27 ) & 0xC ));
            // Set HFCTRIMFRACT_EN
            HWREG( AUX_DDI0_OSC_BASE + DDI_O_SET + DDI_0_OSC_O_CTL1 ) = DDI_0_OSC_CTL1_RCOSCHFCTRIMFRACT_EN ;
        }
    }

    // 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

    // 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
}