same70_eth_driver.h File Reference

SAME70 Ethernet MAC driver. More...

Go to the source code of this file.

Data Structures

struct  Same70TxBufferDesc
 Transmit buffer descriptor. More...
struct  Same70RxBufferDesc
 Receive buffer descriptor. More...


#define SAME70_ETH_TX_BUFFER_SIZE   1536
#define SAME70_ETH_RX_BUFFER_SIZE   128
#define SAME70_ETH_RAM_SECTION   ".ram_no_cache"
#define GMAC_SA   GmacSa
#define GMAC_TX_USED   0x80000000
#define GMAC_TX_WRAP   0x40000000
#define GMAC_TX_RLE_ERROR   0x20000000
#define GMAC_TX_UNDERRUN_ERROR   0x10000000
#define GMAC_TX_AHB_ERROR   0x08000000
#define GMAC_TX_LATE_COL_ERROR   0x04000000
#define GMAC_TX_CHECKSUM_ERROR   0x00700000
#define GMAC_TX_NO_CRC   0x00010000
#define GMAC_TX_LAST   0x00008000
#define GMAC_TX_LENGTH   0x00003FFF
#define GMAC_RX_WRAP   0x00000002
#define GMAC_RX_OWNERSHIP   0x00000001
#define GMAC_RX_BROADCAST   0x80000000
#define GMAC_RX_MULTICAST_HASH   0x40000000
#define GMAC_RX_UNICAST_HASH   0x20000000
#define GMAC_RX_SAR   0x08000000
#define GMAC_RX_SAR_MASK   0x06000000
#define GMAC_RX_TYPE_ID   0x01000000
#define GMAC_RX_SNAP   0x01000000
#define GMAC_RX_TYPE_ID_MASK   0x00C00000
#define GMAC_RX_CHECKSUM_VALID   0x00C00000
#define GMAC_RX_VLAN_TAG   0x00200000
#define GMAC_RX_PRIORITY_TAG   0x00100000
#define GMAC_RX_VLAN_PRIORITY   0x000E0000
#define GMAC_RX_CFI   0x00010000
#define GMAC_RX_EOF   0x00008000
#define GMAC_RX_SOF   0x00004000
#define GMAC_RX_LENGTH_MSB   0x00002000
#define GMAC_RX_BAD_FCS   0x00002000
#define GMAC_RX_LENGTH   0x00001FFF


error_t same70EthInit (NetInterface *interface)
 SAME70 Ethernet MAC initialization. More...
void same70EthInitGpio (NetInterface *interface)
void same70EthInitBufferDesc (NetInterface *interface)
 Initialize buffer descriptors. More...
void same70EthTick (NetInterface *interface)
 SAME70 Ethernet MAC timer handler. More...
void same70EthEnableIrq (NetInterface *interface)
 Enable interrupts. More...
void same70EthDisableIrq (NetInterface *interface)
 Disable interrupts. More...
void same70EthEventHandler (NetInterface *interface)
 SAME70 Ethernet MAC event handler. More...
error_t same70EthSendPacket (NetInterface *interface, const NetBuffer *buffer, size_t offset, NetTxAncillary *ancillary)
 Send a packet. More...
error_t same70EthReceivePacket (NetInterface *interface)
 Receive a packet. More...
error_t same70EthUpdateMacAddrFilter (NetInterface *interface)
 Configure MAC address filtering. More...
error_t same70EthUpdateMacConfig (NetInterface *interface)
 Adjust MAC configuration parameters for proper operation. More...
void same70EthWritePhyReg (uint8_t opcode, uint8_t phyAddr, uint8_t regAddr, uint16_t data)
 Write PHY register. More...
uint16_t same70EthReadPhyReg (uint8_t opcode, uint8_t phyAddr, uint8_t regAddr)
 Read PHY register. More...


const NicDriver same70EthDriver
 SAME70 Ethernet MAC driver. More...

Detailed Description

SAME70 Ethernet MAC driver.


SPDX-License-Identifier: GPL-2.0-or-later

Copyright (C) 2010-2021 Oryx Embedded SARL. All rights reserved.

This file is part of CycloneTCP Open.

This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

Oryx Embedded SARL (

Definition in file same70_eth_driver.h.

Macro Definition Documentation



Definition at line 118 of file same70_eth_driver.h.



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#define GMAC_RX_BAD_FCS   0x00002000

Definition at line 154 of file same70_eth_driver.h.


#define GMAC_RX_BROADCAST   0x80000000

Definition at line 138 of file same70_eth_driver.h.


#define GMAC_RX_CFI   0x00010000

Definition at line 150 of file same70_eth_driver.h.


#define GMAC_RX_CHECKSUM_VALID   0x00C00000

Definition at line 146 of file same70_eth_driver.h.


#define GMAC_RX_EOF   0x00008000

Definition at line 151 of file same70_eth_driver.h.


#define GMAC_RX_LENGTH   0x00001FFF

Definition at line 155 of file same70_eth_driver.h.


#define GMAC_RX_LENGTH_MSB   0x00002000

Definition at line 153 of file same70_eth_driver.h.


#define GMAC_RX_MULTICAST_HASH   0x40000000

Definition at line 139 of file same70_eth_driver.h.


#define GMAC_RX_OWNERSHIP   0x00000001

Definition at line 137 of file same70_eth_driver.h.


#define GMAC_RX_PRIORITY_TAG   0x00100000

Definition at line 148 of file same70_eth_driver.h.


#define GMAC_RX_SAR   0x08000000

Definition at line 141 of file same70_eth_driver.h.


#define GMAC_RX_SAR_MASK   0x06000000

Definition at line 142 of file same70_eth_driver.h.


#define GMAC_RX_SNAP   0x01000000

Definition at line 144 of file same70_eth_driver.h.


#define GMAC_RX_SOF   0x00004000

Definition at line 152 of file same70_eth_driver.h.


#define GMAC_RX_TYPE_ID   0x01000000

Definition at line 143 of file same70_eth_driver.h.


#define GMAC_RX_TYPE_ID_MASK   0x00C00000

Definition at line 145 of file same70_eth_driver.h.


#define GMAC_RX_UNICAST_HASH   0x20000000

Definition at line 140 of file same70_eth_driver.h.


#define GMAC_RX_VLAN_PRIORITY   0x000E0000

Definition at line 149 of file same70_eth_driver.h.


#define GMAC_RX_VLAN_TAG   0x00200000

Definition at line 147 of file same70_eth_driver.h.


#define GMAC_RX_WRAP   0x00000002

Definition at line 136 of file same70_eth_driver.h.


#define GMAC_SA   GmacSa

Definition at line 114 of file same70_eth_driver.h.


#define GMAC_TX_AHB_ERROR   0x08000000

Definition at line 127 of file same70_eth_driver.h.


#define GMAC_TX_CHECKSUM_ERROR   0x00700000

Definition at line 129 of file same70_eth_driver.h.


#define GMAC_TX_LAST   0x00008000

Definition at line 131 of file same70_eth_driver.h.


#define GMAC_TX_LATE_COL_ERROR   0x04000000

Definition at line 128 of file same70_eth_driver.h.


#define GMAC_TX_LENGTH   0x00003FFF

Definition at line 132 of file same70_eth_driver.h.


#define GMAC_TX_NO_CRC   0x00010000

Definition at line 130 of file same70_eth_driver.h.


#define GMAC_TX_RLE_ERROR   0x20000000

Definition at line 125 of file same70_eth_driver.h.


#define GMAC_TX_UNDERRUN_ERROR   0x10000000

Definition at line 126 of file same70_eth_driver.h.


#define GMAC_TX_USED   0x80000000

Definition at line 123 of file same70_eth_driver.h.


#define GMAC_TX_WRAP   0x40000000

Definition at line 124 of file same70_eth_driver.h.



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#define SAME70_ETH_RAM_SECTION   ".ram_no_cache"

Definition at line 99 of file same70_eth_driver.h.



Definition at line 50 of file same70_eth_driver.h.


#define SAME70_ETH_RX_BUFFER_SIZE   128

Definition at line 57 of file same70_eth_driver.h.



Definition at line 36 of file same70_eth_driver.h.


#define SAME70_ETH_TX_BUFFER_SIZE   1536

Definition at line 43 of file same70_eth_driver.h.

Function Documentation

◆ same70EthDisableIrq()

void same70EthDisableIrq ( NetInterface interface)

Disable interrupts.

[in]interfaceUnderlying network interface

Definition at line 455 of file same70_eth_driver.c.

◆ same70EthEnableIrq()

void same70EthEnableIrq ( NetInterface interface)

Enable interrupts.

[in]interfaceUnderlying network interface

Definition at line 427 of file same70_eth_driver.c.

◆ same70EthEventHandler()

void same70EthEventHandler ( NetInterface interface)

SAME70 Ethernet MAC event handler.

[in]interfaceUnderlying network interface

Definition at line 540 of file same70_eth_driver.c.

◆ same70EthInit()

error_t same70EthInit ( NetInterface interface)

SAME70 Ethernet MAC initialization.

[in]interfaceUnderlying network interface
Error code

Definition at line 149 of file same70_eth_driver.c.

◆ same70EthInitBufferDesc()

void same70EthInitBufferDesc ( NetInterface interface)

Initialize buffer descriptors.

[in]interfaceUnderlying network interface

Definition at line 310 of file same70_eth_driver.c.

◆ same70EthInitGpio()

void same70EthInitGpio ( NetInterface interface)

◆ same70EthReadPhyReg()

uint16_t same70EthReadPhyReg ( uint8_t  opcode,
uint8_t  phyAddr,
uint8_t  regAddr 

Read PHY register.

[in]opcodeAccess type (2 bits)
[in]phyAddrPHY address (5 bits)
[in]regAddrRegister address (5 bits)
Register value

Definition at line 1019 of file same70_eth_driver.c.

◆ same70EthReceivePacket()

error_t same70EthReceivePacket ( NetInterface interface)

Receive a packet.

[in]interfaceUnderlying network interface
Error code

Definition at line 648 of file same70_eth_driver.c.

◆ same70EthSendPacket()

error_t same70EthSendPacket ( NetInterface interface,
const NetBuffer buffer,
size_t  offset,
NetTxAncillary ancillary 

Send a packet.

[in]interfaceUnderlying network interface
[in]bufferMulti-part buffer containing the data to send
[in]offsetOffset to the first data byte
[in]ancillaryAdditional options passed to the stack along with the packet
Error code

Definition at line 576 of file same70_eth_driver.c.

◆ same70EthTick()

void same70EthTick ( NetInterface interface)

SAME70 Ethernet MAC timer handler.

This routine is periodically called by the TCP/IP stack to handle periodic operations such as polling the link state

[in]interfaceUnderlying network interface

Definition at line 402 of file same70_eth_driver.c.

◆ same70EthUpdateMacAddrFilter()

error_t same70EthUpdateMacAddrFilter ( NetInterface interface)

Configure MAC address filtering.

[in]interfaceUnderlying network interface
Error code

Definition at line 779 of file same70_eth_driver.c.

◆ same70EthUpdateMacConfig()

error_t same70EthUpdateMacConfig ( NetInterface interface)

Adjust MAC configuration parameters for proper operation.

[in]interfaceUnderlying network interface
Error code

Definition at line 937 of file same70_eth_driver.c.

◆ same70EthWritePhyReg()

void same70EthWritePhyReg ( uint8_t  opcode,
uint8_t  phyAddr,
uint8_t  regAddr,
uint16_t  data 

Write PHY register.

[in]opcodeAccess type (2 bits)
[in]phyAddrPHY address (5 bits)
[in]regAddrRegister address (5 bits)
[in]dataRegister value

Definition at line 980 of file same70_eth_driver.c.

Variable Documentation

◆ same70EthDriver

const NicDriver same70EthDriver

SAME70 Ethernet MAC driver.

Definition at line 122 of file same70_eth_driver.c.

#define PIO_PD4A_GRXDV
#define PIO_PD5A_GRX0
#define PIO_PD8A_GMDC
#define PIO_PD6A_GRX1
#define PIO_PD1A_GTXEN
#define PIO_PD2A_GTX0
#define PIO_PD9A_GMDIO
#define PIO_PD0A_GTXCK