[参考译文] AM62A7：在 System_init 函数之前在 SBL 中使用 i2c

/* main.c */


void _System_init(void)
{
    /* DPL init sets up address transalation unit, on some CPUs this is needed
     * to access SCICLIENT services, hence this needs to happen first
     */
    Dpl_init();
    /* We should do sciclient init before we enable power and clock to the peripherals */
    /* SCICLIENT init */
    {

        int32_t retVal = SystemP_SUCCESS;

        retVal = Sciclient_direct_init();
        DebugP_assertNoLog(SystemP_SUCCESS == retVal);

    }

    PowerClock_init();
    /* Now we can do pinmux */
    Pinmux_init();
    /* finally we initialize all peripheral drivers */
    OSPI_init();
	
	GTC_init();

    I2C_init();
    
    DDR_init(&gDdrParams);
    /* UDMA */
    {
        uint32_t        instId;
        int32_t         retVal = UDMA_SOK;

        for(instId = 0U; instId < CONFIG_UDMA_NUM_INSTANCES; instId++)
        {
            retVal += Udma_init(&gUdmaDrvObj[instId], &gUdmaInitPrms[instId]);
            DebugP_assert(UDMA_SOK == retVal);
        }
    }
    Drivers_uartInit();
}


void main()
{
    // System_init();
    _System_init();
}