Esempio n. 1
0
unsigned Phy_Setup (XLlTemac *xlltemacp)
{
	unsigned link_speed = 1000;

	if (XLlTemac_GetPhysicalInterface(xlltemacp) ==
						XTE_PHY_TYPE_RGMII_1_3) {
		; /* Add PHY initialization code for RGMII 1.3 */
	} else if (XLlTemac_GetPhysicalInterface(xlltemacp) ==
						XTE_PHY_TYPE_RGMII_2_0) {
		; /* Add PHY initialization code for RGMII 2.0 */
	} else if (XLlTemac_GetPhysicalInterface(xlltemacp) ==
						XTE_PHY_TYPE_SGMII) {
		; /* Add PHY initialization code for SGMII */
	} else if (XLlTemac_GetPhysicalInterface(xlltemacp) ==
						XTE_PHY_TYPE_1000BASE_X) {
		; /* Add PHY initialization code for 1000 Base-X */
	}
/* set PHY <--> MAC data clock */
#ifdef  CONFIG_LINKSPEED_AUTODETECT
	link_speed = get_IEEE_phy_speed(xlltemacp);
	xil_printf("auto-negotiated link speed: %d\r\n", link_speed);
#elif	defined(CONFIG_LINKSPEED1000)
	link_speed = 1000;
	configure_IEEE_phy_speed(xlltemacp, link_speed);
	xil_printf("link speed: %d\r\n", link_speed);
#elif	defined(CONFIG_LINKSPEED100)
	link_speed = 100;
	configure_IEEE_phy_speed(xlltemacp, link_speed);
	xil_printf("link speed: %d\r\n", link_speed);
#elif	defined(CONFIG_LINKSPEED10)
	link_speed = 10;
	configure_IEEE_phy_speed(xlltemacp, link_speed);
	xil_printf("link speed: %d\r\n", link_speed);
#endif
	return link_speed;
}
/**
*
* This function demonstrates the usage of the TEMAC by sending and receiving
* frames in polled mode.
*
*
* @param    TemacDeviceId is device ID of the Temac Device , typically
*           XPAR_<TEMAC_instance>_DEVICE_ID value from xparameters.h
*
* @return   XST_SUCCESS to indicate success, otherwise XST_FAILURE
*
* @note     None.
*
******************************************************************************/
int TemacPolledExample(u16 TemacDeviceId, u16 FifoDeviceId)
{
	int Status;
	XLlTemac_Config *MacCfgPtr;
	u32 Rdy;
	int LoopbackSpeed;

	/*************************************/
	/* Setup device for first-time usage */
	/*************************************/

	/*
	 * Initialize the FIFO and TEMAC instance
	 */
	MacCfgPtr = XLlTemac_LookupConfig(TemacDeviceId);
	Status = XLlTemac_CfgInitialize(&TemacInstance, MacCfgPtr,
					MacCfgPtr->BaseAddress);

	if (Status != XST_SUCCESS) {
		TemacUtilErrorTrap("Error in initialize");
		return XST_FAILURE;
	}
	XLlFifo_Initialize(&FifoInstance,
			    XLlTemac_LlDevBaseAddress(&TemacInstance));

	/*
	 * Check whether the IPIF interface is correct for this example
	 */
	if (!XLlTemac_IsFifo(&TemacInstance)) {
		TemacUtilErrorTrap
			("Device HW not configured for FIFO direct mode\r\n");
		return XST_FAILURE;
	}

	/*
	 * Set the MAC  address
	 */
	Status = XLlTemac_SetMacAddress(&TemacInstance, (u8 *) TemacMAC);
	if (Status != XST_SUCCESS) {
		TemacUtilErrorTrap("Error setting MAC address");
		return XST_FAILURE;
	}

        /* Make sure the hard temac is ready */
	Rdy = XLlTemac_ReadReg(TemacInstance.Config.BaseAddress,
			       XTE_RDY_OFFSET);
	while ((Rdy & XTE_RDY_HARD_ACS_RDY_MASK) == 0) {
		Rdy = XLlTemac_ReadReg(TemacInstance.Config.BaseAddress,
				       XTE_RDY_OFFSET);
	}

        /*
         * Set PHY to loopback, speed depends on phy type.
         * MII is 100 and all others are 1000.
         */
        if (XLlTemac_GetPhysicalInterface(&TemacInstance) == XTE_PHY_TYPE_MII)
        {
                LoopbackSpeed = TEMAC_LOOPBACK_SPEED;
        } else {
                LoopbackSpeed = TEMAC_LOOPBACK_SPEED_1G;
        }
        Status = TemacUtilEnterLoopback(&TemacInstance, LoopbackSpeed);
        if (Status != XST_SUCCESS) {
                TemacUtilErrorTrap("Error setting the PHY loopback");
                return XST_FAILURE;
        }

        /*
         * Set PHY<-->MAC data clock
         */
        XLlTemac_SetOperatingSpeed(&TemacInstance, (u16)LoopbackSpeed);

	/*
	 * Setting the operating speed of the MAC needs a delay.  There
	 * doesn't seem to be register to poll, so please consider this
	 * during your application design.
	 */
	TemacUtilPhyDelay(2);

	/****************************/
	/* Run through the examples */
	/****************************/

	/*
	 * Run the Single Frame polled example
	 */
	Status = TemacSingleFramePolledExample();
	if (Status != XST_SUCCESS) {
		return XST_FAILURE;
	}

	/*
	 * Run the Multiple Frames polled example
	 */
	Status = TemacMultipleFramesPolledExample();
	if (Status != XST_SUCCESS) {
		return XST_FAILURE;
	}

	return XST_SUCCESS;


}