/** ============================================================================
* @n@b Init_MAC
*
* @b Description
* @n This API initializes the CPGMAC Sliver (MAC Port) port.
*
* @param[in]
* @n macPortNum MAC port number for which the initialization must be done.
*
* @param[in]
* @n macAddress MAC address to configure on this port.
*
* @param[in]
* @n mtu Maximum Frame length to configure on this port.
*
* @return
* @n None
* =============================================================================
*/
int Init_MAC (UInt32 macPortNum, UInt8 macAddress[6], UInt32 mtu)
{
/* Reset MAC Sliver 0 */
CSL_CPGMAC_SL_resetMac (macPortNum);
while (CSL_CPGMAC_SL_isMACResetDone (macPortNum) != TRUE);
/* Setup the MAC Control Register for this port:
* (1) Enable Full duplex
* (2) Enable GMII
* (3) Enable Gigabit
* (4) Enable External Configuration. This enables
* the "Full duplex" and "Gigabit" settings to be
* controlled externally from SGMII
* (5) Don't enable any control/error/short frames
*/
CSL_CPGMAC_SL_enableFullDuplex (macPortNum);
CSL_CPGMAC_SL_enableGMII (macPortNum);
CSL_CPGMAC_SL_enableGigabit (macPortNum);
CSL_CPGMAC_SL_enableExtControl (macPortNum);
/* Configure the MAC address for this port */
CSL_CPSW_3GF_setPortMACAddress (macPortNum, macAddress);
/* Configure VLAN ID/CFI/Priority.
*
* For now, we are not using VLANs so just configure them
* to all zeros.
*/
CSL_CPSW_3GF_setPortVlanReg (macPortNum, 0, 0, 0);
/* Configure the Receive Maximum length on this port,
* i.e., the maximum size the port can receive without
* any errors.
*
* Set the Rx Max length to the MTU configured for the
* interface.
*/
CSL_CPGMAC_SL_setRxMaxLen (macPortNum, mtu);
//platform_write("MAC intialization done for port %d and its mac address is %X:%X:%X:%X:%X:%X\n",macPortNum,macAddress[0],\
macAddress[1],macAddress[2],macAddress[3],macAddress[4],macAddress[5]);
/* Done setting up the MAC port */
return 0;
}
/******************************************************************************
* Init_MAC
******************************************************************************/
void Init_MAC(uint32_t macPortNum)
{
CSL_CPGMAC_SL_resetMac (macPortNum);
while (CSL_CPGMAC_SL_isMACResetDone (macPortNum) != TRUE);
/* Setup the MAC Control Register for this port:
* (1) Enable Full duplex
* (2) Enable GMII
* (3) Enable Gigabit
* (4) Enable External Configuration. This enables
* the "Full duplex" and "Gigabit" settings to be
* controlled externally from SGMII
* (5) Don't Enable any control/error frames
* (6) Enable short frames
*/
CSL_CPGMAC_SL_enableFullDuplex (macPortNum);
CSL_CPGMAC_SL_enableGMII (macPortNum);
CSL_CPGMAC_SL_enableGigabit (macPortNum);
CSL_CPGMAC_SL_enableExtControl (macPortNum);
}