/** ============================================================================
* @n@b Init_SGMII
*
* @b Description
* @n SGMII peripheral initialization code.
*
* @param[in]
* @n macPortNum MAC port number for which the SGMII port setup must
* be performed.
*
* @return
* @n None
* =============================================================================
*/
void Init_SGMII (uint32_t macPortNum)
{
CSL_SGMII_ADVABILITY sgmiiCfg;
/* Reset the port before configuring it */
CSL_SGMII_doSoftReset (macPortNum);
while (CSL_SGMII_getSoftResetStatus (macPortNum) != 0);
/* Hold the port in soft reset and set up
* the SGMII control register:
* (1) Enable Master Mode
* (2) Enable Auto-negotiation
*/
CSL_SGMII_startRxTxSoftReset (macPortNum);
CSL_SGMII_enableMasterMode (macPortNum);
CSL_SGMII_enableAutoNegotiation (macPortNum);
CSL_SGMII_endRxTxSoftReset (macPortNum);
/* Setup the Advertised Ability register for this port:
* (1) Enable Full duplex mode
* (2) Enable Auto Negotiation
* (3) Enable the Link
*/
sgmiiCfg.linkSpeed = CSL_SGMII_1000_MBPS;
sgmiiCfg.duplexMode = CSL_SGMII_FULL_DUPLEX;
CSL_SGMII_setAdvAbility (macPortNum, &sgmiiCfg);
/* All done with configuration. Return Now. */
return;
}
void Init_SGMII (uint32_t macPortNum)
{
CSL_SGMII_ADVABILITY sgmiiCfg;
CSL_SGMII_STATUS sgmiiStatus;
/* Reset the port before configuring it */
CSL_SGMII_doSoftReset (macPortNum);
while (CSL_SGMII_getSoftResetStatus (macPortNum) != 0);
if (macPortNum == 1) {
/* Hold the port in soft reset and set up
* the SGMII control register:
* (1) Enable Master Mode
* (2) Enable Auto-negotiation
*/
CSL_SGMII_startRxTxSoftReset (macPortNum);
CSL_SGMII_disableMasterMode (macPortNum);
CSL_SGMII_enableAutoNegotiation (macPortNum);
CSL_SGMII_endRxTxSoftReset (macPortNum);
/* Setup the Advertised Ability register for this port:
* (1) Enable Full duplex mode
* (2) Enable Auto Negotiation
* (3) Enable the Link
*/
sgmiiCfg.linkSpeed = CSL_SGMII_1000_MBPS;
sgmiiCfg.duplexMode = CSL_SGMII_FULL_DUPLEX;
CSL_SGMII_setAdvAbility (macPortNum, &sgmiiCfg);
do
{
CSL_SGMII_getStatus(macPortNum, &sgmiiStatus);
} while (sgmiiStatus.bIsLinkUp != 1);
/* Wait for SGMII Autonegotiation to complete without error */
do
{
CSL_SGMII_getStatus(macPortNum, &sgmiiStatus);
if (sgmiiStatus.bIsAutoNegError != 0)
return; /* This is an error condition */
} while (sgmiiStatus.bIsAutoNegComplete != 1);
}
if (macPortNum == 0) {
/* Hold the port in soft reset and set up
* the SGMII control register:
* (1) Disable Master Mode
* (2) Enable Auto-negotiation
*/
CSL_SGMII_startRxTxSoftReset (macPortNum);
CSL_SGMII_disableMasterMode (macPortNum);
CSL_SGMII_enableAutoNegotiation (macPortNum);
CSL_SGMII_endRxTxSoftReset (macPortNum);
/* Setup the Advertised Ability register for this port:
* (1) Enable Full duplex mode
* (2) Enable Auto Negotiation
* (3) Enable the Link
*/
sgmiiCfg.linkSpeed = CSL_SGMII_1000_MBPS;
sgmiiCfg.duplexMode = CSL_SGMII_FULL_DUPLEX;
sgmiiCfg.bLinkUp = 1;
CSL_SGMII_setAdvAbility (macPortNum, &sgmiiCfg);
do
{
CSL_SGMII_getStatus(macPortNum, &sgmiiStatus);
} while (sgmiiStatus.bIsLinkUp != 1);
}
/* All done with configuration. Return Now. */
return;
}
/** ============================================================================
* @n@b Init_SGMII
*
* @b Description
* @n SGMII peripheral initialization code.
*
* @param[in]
* @n macPortNum MAC port number for which the SGMII port setup must
* be performed.
*
* @return
* @n None
* =============================================================================
*/
Int32 Init_SGMII(UInt32 macPortNum)
{
CSL_SGMII_ADVABILITY sgmiiCfg;
CSL_SGMII_STATUS sgmiiStatus;
/* Configure SGMII Port 1 only since it is connected to RJ45 at all known EVMs */
// if(cpswSimTest || (macPortNum == 1))
//{
/* Reset the port before configuring it */
CSL_SGMII_doSoftReset (macPortNum);
while (CSL_SGMII_getSoftResetStatus (macPortNum) != 0);
/* Hold the port in soft reset and set up
* the SGMII control register:
* (1) Enable Master Mode (default)
* (2) Enable Auto-negotiation
*/
CSL_SGMII_startRxTxSoftReset (macPortNum);
if (cpswLpbkMode == CPSW_LOOPBACK_NONE)
{
CSL_SGMII_disableMasterMode (macPortNum);
}
else
{
CSL_SGMII_enableMasterMode (macPortNum);
if (cpswLpbkMode == CPSW_LOOPBACK_INTERNAL)
{
CSL_SGMII_enableLoopback (macPortNum);
}
}
/* Setup the Advertised Ability register for this port:
* (1) Enable Full duplex mode
* (2) Enable Auto Negotiation
*/
sgmiiCfg.linkSpeed = CSL_SGMII_1000_MBPS;
sgmiiCfg.duplexMode = CSL_SGMII_FULL_DUPLEX;
CSL_SGMII_setAdvAbility (macPortNum, &sgmiiCfg);
CSL_SGMII_enableAutoNegotiation (macPortNum);
CSL_SGMII_endRxTxSoftReset (macPortNum);
/* Wait for SGMII Link */
if (!cpswSimTest)
{
do
{
CSL_SGMII_getStatus(macPortNum, &sgmiiStatus);
} while (sgmiiStatus.bIsLinkUp != 1);
/* Wait for SGMII Autonegotiation to complete without error */
do
{
CSL_SGMII_getStatus(macPortNum, &sgmiiStatus);
if (sgmiiStatus.bIsAutoNegError != 0)
return -1;
} while (sgmiiStatus.bIsAutoNegComplete != 1);
/*
* May need to wait some more time for the external PHY to be ready to transmit packets reliabily.
* It is possible to access the PHY status register through the MDIO interface to check when
* the PHY is ready.
* To avoid platform-dependent code, we just introduce about 2ms wait here
*/
if((cpswLpbkMode == CPSW_LOOPBACK_EXTERNAL) || (cpswLpbkMode == CPSW_LOOPBACK_NONE))
CycleDelay(2000000);
}
// }
//platform_write("SGMII configured and link up for port num %d\n",macPortNum);
/* All done with configuration. Return Now. */
return 0;
}
