/*FUNCTION****************************************************************
*
* Function Name: enet_mac_init
* Return Value: The execution status.
* Description:Initialize the ENET device with the basic configuration
* When ENET is used, this function need to be called by the NET initialize
* interface.
*END*********************************************************************/
uint32_t enet_mac_init(enet_dev_if_t * enetIfPtr, enet_rxbd_config_t *rxbdCfg,
enet_txbd_config_t *txbdCfg)
{
uint32_t timeOut = 0;
uint32_t devNumber, result = 0;
/* Check the input parameters*/
if (enetIfPtr == NULL)
{
return kStatus_ENET_InvalidInput;
}
/* Get device number and check the parameter*/
devNumber = enetIfPtr->deviceNumber;
/* Store the global ENET structure for ISR input parameters */
enetIfHandle = enetIfPtr;
/* Turn on ENET module clock gate */
CLOCK_SYS_EnableEnetClock(0U);
/* Reset ENET mac*/
enet_hal_reset_ethernet(devNumber);
while ((!enet_hal_is_reset_completed(devNumber)) && (timeOut < kEnetMaxTimeout))
{
time_delay(1);
timeOut++;
}
/* Check out if timeout*/
if (timeOut == kEnetMaxTimeout)
{
return kStatus_ENET_TimeOut;
}
/* Disable all ENET mac interrupt and Clear all interrupt events*/
enet_hal_config_interrupt(devNumber, kEnetAllInterrupt, false);
enet_hal_clear_interrupt(devNumber, kEnetAllInterrupt);
/* Program this station's physical address*/
enet_hal_set_mac_address(devNumber, enetIfPtr->macCfgPtr->macAddr);
/* Enable Multicast group filtering. The entry is All F because we want to listen
* all multicast*/
uint32_t i = 0;
for (i=0; i<=63; i++){
enet_hal_set_group_hashtable(devNumber, i<<26, kEnetSpecialAddressEnable);
}
/* Enable Unicast Group with 0 hash table entry. It means it
* will accept only its own MAC address as the destination address if
* something is received.*/
enet_hal_set_individual_hashtable(devNumber, 0, kEnetSpecialAddressInit);
/* Configure mac controller*/
result = enet_mac_configure_controller(enetIfPtr);
if(result != kStatus_ENET_Success)
{
return result;
}
/* Clear mib zero counters*/
enet_hal_clear_mib(devNumber, true);
/* Initialize FIFO and accelerator*/
result = enet_mac_configure_fifo_accel(enetIfPtr);
if(result != kStatus_ENET_Success)
{
return result;
}
/* Initialize receive buffer descriptors*/
result = enet_mac_rxbd_init(enetIfPtr, rxbdCfg);
if(result != kStatus_ENET_Success)
{
return result;
}
/* Initialize transmit buffer descriptors*/
result = enet_mac_txbd_init(enetIfPtr, txbdCfg);
if(result != kStatus_ENET_Success)
{
return result;
}
/* Initialize rmii/mii interface*/
result = enet_mac_mii_init(enetIfPtr);
if (result != kStatus_ENET_Success)
{
return result;
}
return kStatus_ENET_Success;
}
/*FUNCTION****************************************************************
*
* Function Name: enet_mac_init
* Return Value: The execution status.
* Description:Initialize the ENET device with the basic configuration
* When ENET is used, this function need to be called by the NET initialize
* interface.
*END*********************************************************************/
uint32_t enet_mac_init(enet_dev_if_t * enetIfPtr, enet_rxbd_config_t *rxbdCfg,
enet_txbd_config_t *txbdCfg)
{
uint32_t timeOut = 0;
uint32_t devNumber, result = 0;
/* Check the input parameters*/
if (enetIfPtr == NULL)
{
return kStatus_ENET_InvalidInput;
}
/* Get device number and check the parameter*/
devNumber = enetIfPtr->deviceNumber;
/* Store the global ENET structure for ISR input parameters for instance 0*/
if (!devNumber)
{
enetIfHandle = enetIfPtr;
}
/* Turn on ENET module clock gate */
clock_manager_set_gate(kClockModuleENET, 0U, true);
/* Reset ENET mac*/
enet_hal_reset_ethernet(devNumber);
while ((!enet_hal_is_reset_completed(devNumber)) && (timeOut < kEnetMaxTimeout))
{
time_delay(1);
timeOut++;
}
/* Check out if timeout*/
if (timeOut == kEnetMaxTimeout)
{
return kStatus_ENET_TimeOut;
}
/* Disable all ENET mac interrupt and Clear all interrupt events*/
enet_hal_config_interrupt(devNumber, kEnetAllInterrupt, false);
enet_hal_clear_interrupt(devNumber, kEnetAllInterrupt);
/* Program this station's physical address*/
enet_hal_set_mac_address(devNumber, enetIfPtr->macCfgPtr->macAddr);
/* Clear group and individual hash register*/
enet_hal_set_group_hashtable(devNumber, 0, kEnetSpecialAddressInit);
enet_hal_set_individual_hashtable(devNumber, 0, kEnetSpecialAddressInit);
/* Configure mac controller*/
result = enet_mac_configure_controller(enetIfPtr);
if(result != kStatus_ENET_Success)
{
return result;
}
/* Clear mib zero counters*/
enet_hal_clear_mib(devNumber, true);
/* Initialize FIFO and accelerator*/
result = enet_mac_configure_fifo_accel(enetIfPtr);
if(result != kStatus_ENET_Success)
{
return result;
}
/* Initialize receive buffer descriptors*/
result = enet_mac_rxbd_init(enetIfPtr, rxbdCfg);
if(result != kStatus_ENET_Success)
{
return result;
}
/* Initialize transmit buffer descriptors*/
result = enet_mac_txbd_init(enetIfPtr, txbdCfg);
if(result != kStatus_ENET_Success)
{
return result;
}
/* Initialize rmii/mii interface*/
result = enet_mac_mii_init(enetIfPtr);
if (result != kStatus_ENET_Success)
{
return result;
}
return kStatus_ENET_Success;
}
