32 #define TRACE_LEVEL NIC_TRACE_LEVEL
35 #include "device_registers.h"
36 #include "interrupt_manager.h"
58 static uint_t txBufferIndex;
60 static uint_t rxBufferIndex;
100 TRACE_INFO(
"Initializing MPC5748 Ethernet MAC (ENET1)...\r\n");
103 nicDriverInterface = interface;
109 ENET_1->ECR = ENET_ECR_RESET_MASK;
111 while((ENET_1->ECR & ENET_ECR_RESET_MASK) != 0)
117 ENET_RCR_RMII_MODE_MASK | ENET_RCR_MII_MODE_MASK;
122 ENET_1->MSCR = ENET_MSCR_MII_SPEED(19);
125 if(interface->phyDriver != NULL)
128 error = interface->phyDriver->init(interface);
130 else if(interface->switchDriver != NULL)
133 error = interface->switchDriver->init(interface);
148 value = interface->macAddr.b[5];
149 value |= (interface->macAddr.b[4] << 8);
150 ENET_1->PAUR = ENET_PAUR_PADDR2(
value) | ENET_PAUR_TYPE(0x8808);
153 value = interface->macAddr.b[3];
154 value |= (interface->macAddr.b[2] << 8);
155 value |= (interface->macAddr.b[1] << 16);
156 value |= (interface->macAddr.b[0] << 24);
157 ENET_1->PALR = ENET_PALR_PADDR1(
value);
172 ENET_1->ECR = ENET_ECR_EN1588_MASK;
175 ENET_1->MIBC = ENET_MIBC_MIB_CLEAR_MASK;
182 ENET_1->EIR = 0xFFFFFFFF;
184 ENET_1->EIMR = ENET_EIMR_TXF_MASK | ENET_EIMR_RXF_MASK | ENET_EIMR_EBERR_MASK;
194 ENET_1->ECR |= ENET_ECR_ETHEREN_MASK;
196 ENET_1->RDAR = ENET_RDAR_RDAR_MASK;
227 osMemset(txBufferDesc, 0,
sizeof(txBufferDesc));
228 osMemset(rxBufferDesc, 0,
sizeof(rxBufferDesc));
265 ENET_1->TDSR = (uint32_t) txBufferDesc;
267 ENET_1->RDSR = (uint32_t) rxBufferDesc;
285 if(interface->phyDriver != NULL)
288 interface->phyDriver->tick(interface);
290 else if(interface->switchDriver != NULL)
293 interface->switchDriver->tick(interface);
310 INT_SYS_EnableIRQ(ENET1_GROUP2_IRQn);
311 INT_SYS_EnableIRQ(ENET1_GROUP1_IRQn);
312 INT_SYS_EnableIRQ(ENET1_GROUP0_IRQn);
315 if(interface->phyDriver != NULL)
318 interface->phyDriver->enableIrq(interface);
320 else if(interface->switchDriver != NULL)
323 interface->switchDriver->enableIrq(interface);
340 INT_SYS_DisableIRQ(ENET1_GROUP2_IRQn);
341 INT_SYS_DisableIRQ(ENET1_GROUP1_IRQn);
342 INT_SYS_DisableIRQ(ENET1_GROUP0_IRQn);
345 if(interface->phyDriver != NULL)
348 interface->phyDriver->disableIrq(interface);
350 else if(interface->switchDriver != NULL)
353 interface->switchDriver->disableIrq(interface);
377 if((ENET_1->EIR & ENET_EIR_TXF_MASK) != 0)
380 ENET_1->EIR = ENET_EIR_TXF_MASK;
383 if((txBufferDesc[txBufferIndex][0] &
ENET_TBD0_R) == 0)
390 ENET_1->TDAR = ENET_TDAR_TDAR_MASK;
413 if((ENET_1->EIR & ENET_EIR_RXF_MASK) != 0)
416 ENET_1->EIMR &= ~ENET_EIMR_RXF_MASK;
419 nicDriverInterface->nicEvent =
TRUE;
444 if((ENET_1->EIR & ENET_EIR_EBERR_MASK) != 0)
447 ENET_1->EIMR &= ~ENET_EIMR_EBERR_MASK;
450 nicDriverInterface->nicEvent =
TRUE;
471 status = ENET_1->EIR;
474 if((status & ENET_EIR_RXF_MASK) != 0)
477 ENET_1->EIR = ENET_EIR_RXF_MASK;
490 if((status & ENET_EIR_EBERR_MASK) != 0)
493 ENET_1->EIR = ENET_EIR_EBERR_MASK;
496 ENET_1->ECR &= ~ENET_ECR_ETHEREN_MASK;
500 ENET_1->ECR |= ENET_ECR_ETHEREN_MASK;
502 ENET_1->RDAR = ENET_RDAR_RDAR_MASK;
506 ENET_1->EIMR = ENET_EIMR_TXF_MASK | ENET_EIMR_RXF_MASK | ENET_EIMR_EBERR_MASK;
538 if((txBufferDesc[txBufferIndex][0] &
ENET_TBD0_R) != 0)
547 txBufferDesc[txBufferIndex][4] = 0;
570 ENET_1->TDAR = ENET_TDAR_TDAR_MASK;
573 if((txBufferDesc[txBufferIndex][0] &
ENET_TBD0_R) == 0)
597 if((rxBufferDesc[rxBufferIndex][0] &
ENET_RBD0_E) == 0)
600 if((rxBufferDesc[rxBufferIndex][0] &
ENET_RBD0_L) != 0)
633 rxBufferDesc[rxBufferIndex][4] = 0;
652 ENET_1->RDAR = ENET_RDAR_RDAR_MASK;
677 uint32_t unicastHashTable[2];
678 uint32_t multicastHashTable[2];
685 value = interface->macAddr.b[5];
686 value |= (interface->macAddr.b[4] << 8);
687 ENET_1->PAUR = ENET_PAUR_PADDR2(
value) | ENET_PAUR_TYPE(0x8808);
690 value = interface->macAddr.b[3];
691 value |= (interface->macAddr.b[2] << 8);
692 value |= (interface->macAddr.b[1] << 16);
693 value |= (interface->macAddr.b[0] << 24);
694 ENET_1->PALR = ENET_PALR_PADDR1(
value);
697 unicastHashTable[0] = 0;
698 unicastHashTable[1] = 0;
701 multicastHashTable[0] = 0;
702 multicastHashTable[1] = 0;
709 entry = &interface->macAddrFilter[i];
719 k = (crc >> 26) & 0x3F;
725 multicastHashTable[k / 32] |= (1 << (k % 32));
730 unicastHashTable[k / 32] |= (1 << (k % 32));
736 ENET_1->IALR = unicastHashTable[0];
737 ENET_1->IAUR = unicastHashTable[1];
740 ENET_1->GALR = multicastHashTable[0];
741 ENET_1->GAUR = multicastHashTable[1];
744 TRACE_DEBUG(
" IALR = %08" PRIX32
"\r\n", ENET_1->IALR);
745 TRACE_DEBUG(
" IAUR = %08" PRIX32
"\r\n", ENET_1->IAUR);
746 TRACE_DEBUG(
" GALR = %08" PRIX32
"\r\n", ENET_1->GALR);
747 TRACE_DEBUG(
" GAUR = %08" PRIX32
"\r\n", ENET_1->GAUR);
763 ENET_1->ECR &= ~ENET_ECR_ETHEREN_MASK;
769 ENET_1->RCR &= ~ENET_RCR_RMII_10T_MASK;
774 ENET_1->RCR |= ENET_RCR_RMII_10T_MASK;
781 ENET_1->TCR |= ENET_TCR_FDEN_MASK;
783 ENET_1->RCR &= ~ENET_RCR_DRT_MASK;
788 ENET_1->TCR &= ~ENET_TCR_FDEN_MASK;
790 ENET_1->RCR |= ENET_RCR_DRT_MASK;
797 ENET_1->ECR |= ENET_ECR_ETHEREN_MASK;
799 ENET_1->RDAR = ENET_RDAR_RDAR_MASK;
823 temp = ENET_MMFR_ST(1) | ENET_MMFR_OP(1) | ENET_MMFR_TA(2);
825 temp |= ENET_MMFR_PA(phyAddr);
829 temp |= ENET_MMFR_DATA(
data);
832 ENET_1->EIR = ENET_EIR_MII_MASK;
837 while((ENET_1->EIR & ENET_EIR_MII_MASK) == 0)
866 temp = ENET_MMFR_ST(1) | ENET_MMFR_OP(2) | ENET_MMFR_TA(2);
868 temp |= ENET_MMFR_PA(phyAddr);
873 ENET_1->EIR = ENET_EIR_MII_MASK;
878 while((ENET_1->EIR & ENET_EIR_MII_MASK) == 0)
883 data = ENET_1->MMFR & ENET_MMFR_DATA_MASK;
911 p = (uint8_t *)
data;
916 for(i = 0; i <
length; i++)
922 for(j = 0; j < 8; j++)
924 if((crc & 0x01) != 0)
926 crc = (crc >> 1) ^ 0xEDB88320;
__attribute__((naked))
AVR32 Ethernet MAC interrupt wrapper.
@ ERROR_FAILURE
Generic error code.
#define macIsMulticastAddr(macAddr)
#define MAC_ADDR_FILTER_SIZE
#define ENET_RBD0_DATA_LENGTH
#define ENET_TBD0_DATA_LENGTH
void ENET1_Tx_IRQHandler(void)
Ethernet MAC transmit interrupt.
void mpc5748Eth2EnableIrq(NetInterface *interface)
Enable interrupts.
void mpc5748Eth2DisableIrq(NetInterface *interface)
Disable interrupts.
void mpc5748Eth2WritePhyReg(uint8_t opcode, uint8_t phyAddr, uint8_t regAddr, uint16_t data)
Write PHY register.
void ENET1_Err_IRQHandler(void)
Ethernet MAC error interrupt.
error_t mpc5748Eth2UpdateMacConfig(NetInterface *interface)
Adjust MAC configuration parameters for proper operation.
error_t mpc5748Eth2SendPacket(NetInterface *interface, const NetBuffer *buffer, size_t offset, NetTxAncillary *ancillary)
Send a packet.
error_t mpc5748Eth2ReceivePacket(NetInterface *interface)
Receive a packet.
void mpc5748Eth2InitBufferDesc(NetInterface *interface)
Initialize buffer descriptors.
uint16_t mpc5748Eth2ReadPhyReg(uint8_t opcode, uint8_t phyAddr, uint8_t regAddr)
Read PHY register.
__weak_func void mpc5748Eth2InitGpio(NetInterface *interface)
GPIO configuration.
void mpc5748Eth2Tick(NetInterface *interface)
MPC5748 Ethernet MAC timer handler.
error_t mpc5748Eth2UpdateMacAddrFilter(NetInterface *interface)
Configure MAC address filtering.
const NicDriver mpc5748Eth2Driver
MPC5748 Ethernet MAC driver (ENET1 instance)
void ENET1_Rx_IRQHandler(void)
Ethernet MAC receive interrupt.
uint32_t mpc5748Eth2CalcCrc(const void *data, size_t length)
CRC calculation.
void mpc5748Eth2EventHandler(NetInterface *interface)
MPC5748 Ethernet MAC event handler.
error_t mpc5748Eth2Init(NetInterface *interface)
MPC5748 Ethernet MAC initialization.
NXP MPC5748 Ethernet MAC driver (ENET1 instance)
#define MPC5748_ETH2_RX_BUFFER_COUNT
#define MPC5748_ETH2_RX_BUFFER_SIZE
#define MPC5748_ETH2_TX_BUFFER_COUNT
#define MPC5748_ETH2_IRQ_PRIORITY
#define MPC5748_ETH2_TX_BUFFER_SIZE
size_t netBufferGetLength(const NetBuffer *buffer)
Get the actual length of a multi-part buffer.
size_t netBufferRead(void *dest, const NetBuffer *src, size_t srcOffset, size_t length)
Read data from a multi-part buffer.
const NetRxAncillary NET_DEFAULT_RX_ANCILLARY
void nicProcessPacket(NetInterface *interface, uint8_t *packet, size_t length, NetRxAncillary *ancillary)
Handle a packet received by the network controller.
@ NIC_TYPE_ETHERNET
Ethernet interface.
#define osMemset(p, value, length)
bool_t osSetEventFromIsr(OsEvent *event)
Set an event object to the signaled state from an interrupt service routine.
void osSetEvent(OsEvent *event)
Set the specified event object to the signaled state.
uint_t refCount
Reference count for the current entry.
Structure describing a buffer that spans multiple chunks.