Exemplo n.º 1
0
void Wdg_Init (const Wdg_ConfigType* ConfigPtr)
{
	/* Keep a pointer to the config. */
	configWdgPtr = ConfigPtr;

	Wdg_SetMode(ConfigPtr->Wdg_ModeConfig->Wdg_DefaultMode);
}
Exemplo n.º 2
0
/**
 * Starts the watchdog
 * @param timeout - is in either ms or ticks
 */
static void StartWatchdog(uint32 timeout)
{
    /*lint -save -e923 Ok, that casting is done in Freescale header file  */
#if defined(CFG_MPC5567)
	(void)timeout;
	ECSM.SWTCR.R =  0x00D8;
#elif defined(CFG_MPC563XM)
	SWT.TO.R = timeout;/* Timeout in ticks */
	SWT.CR.R = 0x8000011BuL;
#elif defined(CFG_MPC5777M)
    SWT.CR.R = 0xE000011BuL; /* Access for all cores */
#elif defined(CFG_MPC5644A)
	SWT.TO.R = timeout;/* Timeout in ticks */
	SWT.MCR.R = 0x8000011BuL;
#elif defined(CFG_MPC5744P) || defined(CFG_MPC5645S) || defined(CFG_MPC5643L) || defined(CFG_SPC56XL70) || defined(CFG_MPC560X)
    /* Clear soft lock */
	SWT.SR.R = SOFTLOCK_WORD_1;     /* Write keys to clear soft lock bit */
    SWT.SR.R = SOFTLOCK_WORD_2;
#if defined(CFG_MPC5645S) || defined(CFG_MPC560X)
    /* Clocked by 128 kHz IRC clock */
    SWT.TO.R = timeout * 128u; /* Timeout in ms */
#else
    /* Clocked by 16 MHz IRC clock */
	SWT.TO.R = timeout * 16000u; /* Timeout in ms */
#endif
    /* Enable Watchdog */

	/*lint -e{970} Lint does not seem handle typeof well */
    SWT.CR.B = (typeof(SWT.CR.B)){.RIA = 1, .SLK = 1, .FRZ = 1, .WEN = 1, .MAP0 = 1};
#elif defined(CFG_MPC5668)
	/* Clocked by 16 MHz IRC clock */

	/* Clear softlock */
	WRITE32(SWT_BASE + SWT_SR, SOFTLOCK_WORD_1);
	WRITE32(SWT_BASE + SWT_SR, SOFTLOCK_WORD_2);

	/* Write TMO */
	WRITE32(SWT_BASE + SWT_TO, timeout * 16000 ); /* Timeout in ms */

	/* Enable Watchdog */
	WRITE32(SWT_BASE + SWT_CR,0x80000000UL + CR_RIA + CR_SLK + CR_CSL + CR_FRZ + CR_WEN);

#elif defined(CFG_MPC5516)
	/* We running on system clock, ie SIU_SYSCLK.SWTCLKSEL,  so get the value */

	/* The timeout is 2^x, so get best possible value
	 *   Table for 80Mhz
	 *   ------------------
	 *   2^9  = 512 = 6.4 uS
	 *   2^15 =       400 uS
	 *   2^20 =       13 mS
	 *   2^28 =       3.3 S
	 *   2^31 =       26,84 S
	 *
	 * Formula:
	 *   1/clock * 2^n  = tmo_in_s
	 *   2^n = tmo_in_s * clock -> n = log2(tmo_in_s * clock) = log2(tmo_in_ms * clock / 1000 )
	 *  */
	uint32 swtVal = ilog2( Mcu_Arc_GetSystemClock()/1000 * timeout ); /* Timeout in ms */
#if defined(CFG_WDG_TEST)
	MCM.SWTCR.R = (SWTCR_SWE + SWTCR_SWRI(WDG_SWRI_VAL) + swtVal);
#else
	MCM.SWTCR.R = (SWTCR_SWE + SWTCR_SWRI(2) + swtVal);
#endif

#else
	MCM.SWTCR.R = 0x00D8u;
#endif
	/*lint -restore */
}


/**
 * Stops the watchdog
 */
static void StopWatchdog(void)
{
    /*lint -save -e923 Ok, the casting is done in Freesacale header file  */
#if defined(CFG_MPC5567)
 	ECSM.SWTCR.R =  0x0059u;
#elif defined(CFG_MPC560X) || defined(CFG_MPC5668) || defined(CFG_MPC563XM) || defined(CFG_MPC5744P) || defined(CFG_MPC5645S) || defined(CFG_MPC5643L) || defined(CFG_SPC56XL70)
 	SWT.SR.R = SOFTLOCK_WORD_1;     /* Write keys to clear soft lock bit */
 	SWT.SR.R = SOFTLOCK_WORD_2;
 	/*lint -e{970} Lint does not seem handle typeof well */
 	SWT.CR.B = (typeof(SWT.CR.B)){.RIA = 1, .FRZ = 1, .WEN = 0, .MAP0 = 1};
#elif defined(CFG_MPC5777M)
    SWT.SR.R = SOFTLOCK_WORD_1;     /* Write keys to clear soft lock bit */
    SWT.SR.R = SOFTLOCK_WORD_2;
    SWT.CR.R = 0xE000010AuL; /* Access for all cores */
#elif defined(CFG_MPC5644A)
    SWT.SR.R = SOFTLOCK_WORD_1;     /* Write keys to clear soft lock bit */
    SWT.SR.R = SOFTLOCK_WORD_2;
    SWT.MCR.B = (typeof(SWT.MCR.B)){.RIA = 1, .FRZ = 1, .WEN = 0, .MAP0 = 1};

#elif defined(CFG_MPC5516)
 	MCM.SWTCR.R = 0x0u;	  /* Disable the watchdog */
#else
	MCM.SWTCR.R = 0x0059u;
#endif
	/*lint -restore */
}


#if (WDG_VERSION_INFO_API == STD_ON)
void Wdg_GetVersionInfo(Std_VersionInfoType* versioninfo)
{
	/* @req SWS_Wdg_00174 */
    VALIDATE(versioninfo != NULL, WDG_GET_VERSION_INFO_SERVICE_ID, WDG_E_PARAM_POINTER);

    versioninfo->vendorID = WDG_VENDOR_ID;
    versioninfo->moduleID = WDG_MODULE_ID;
    versioninfo->sw_major_version = WDG_SW_MAJOR_VERSION;
    versioninfo->sw_minor_version = WDG_SW_MINOR_VERSION;
    versioninfo->sw_patch_version = WDG_SW_PATCH_VERSION;
}
#endif


void Wdg_Init (const Wdg_ConfigType* ConfigPtr)
{
    /* @req SWS_Wdg_00001 */
    /* @req SWS_Wdg_00100 */
    /* @req SWS_Wdg_00101 */

    /*@req SWS_Wdg_00089 */
    VALIDATE(ConfigPtr != NULL, WDG_INIT_SERVICE_ID, WDG_E_PARAM_POINTER);

    /* @req SWS_Wdg_00010 */
    VALIDATE(runTimeData.configWdgPtr == NULL, WDG_INIT_SERVICE_ID, WDG_E_DRIVER_STATE);

    /* Keep a pointer to the config. */
    /* @req SWS_Wdg_00019 Always set regardless of DET or debugging support */
    runTimeData.configWdgPtr = ConfigPtr;

	/* Ignoring return value, DET error set in Wdg_SetMode */
    (void)Wdg_SetMode(ConfigPtr->Wdg_ModeConfig->Wdg_DefaultMode);
}