rx65n_eth_driver.h File Reference

Renesas RX65N Ethernet MAC driver. More...

#include "core/nic.h"

Go to the source code of this file.

Data Structures
struct	Rx65nTxDmaDesc
	Transmit DMA descriptor. More...
struct	Rx65nRxDmaDesc
	Receive DMA descriptor. More...

Macros
#define	RX65N_ETH_TX_BUFFER_COUNT   3
#define	RX65N_ETH_TX_BUFFER_SIZE   1536
#define	RX65N_ETH_RX_BUFFER_COUNT   6
#define	RX65N_ETH_RX_BUFFER_SIZE   1536
#define	RX65N_ETH_IRQ_PRIORITY   2
#define	EDMAC_EESR_TWB   0x40000000
#define	EDMAC_EESR_TABT   0x04000000
#define	EDMAC_EESR_RABT   0x02000000
#define	EDMAC_EESR_RFCOF   0x01000000
#define	EDMAC_EESR_ADE   0x00800000
#define	EDMAC_EESR_ECI   0x00400000
#define	EDMAC_EESR_TC   0x00200000
#define	EDMAC_EESR_TDE   0x00100000
#define	EDMAC_EESR_TFUF   0x00080000
#define	EDMAC_EESR_FR   0x00040000
#define	EDMAC_EESR_RDE   0x00020000
#define	EDMAC_EESR_RFOF   0x00010000
#define	EDMAC_EESR_CND   0x00000800
#define	EDMAC_EESR_DLC   0x00000400
#define	EDMAC_EESR_CD   0x00000200
#define	EDMAC_EESR_TRO   0x00000100
#define	EDMAC_EESR_RMAF   0x00000080
#define	EDMAC_EESR_RRF   0x00000010
#define	EDMAC_EESR_RTLF   0x00000008
#define	EDMAC_EESR_RTSF   0x00000004
#define	EDMAC_EESR_PRE   0x00000002
#define	EDMAC_EESR_CERF   0x00000001
#define	EDMAC_TD0_TACT   0x80000000
#define	EDMAC_TD0_TDLE   0x40000000
#define	EDMAC_TD0_TFP_SOF   0x20000000
#define	EDMAC_TD0_TFP_EOF   0x10000000
#define	EDMAC_TD0_TFE   0x08000000
#define	EDMAC_TD0_TWBI   0x04000000
#define	EDMAC_TD0_TFS_MASK   0x0000010F
#define	EDMAC_TD0_TFS_TABT   0x00000100
#define	EDMAC_TD0_TFS_CND   0x00000008
#define	EDMAC_TD0_TFS_DLC   0x00000004
#define	EDMAC_TD0_TFS_CD   0x00000002
#define	EDMAC_TD0_TFS_TRO   0x00000001
#define	EDMAC_TD1_TBL   0xFFFF0000
#define	EDMAC_TD2_TBA   0xFFFFFFFF
#define	EDMAC_RD0_RACT   0x80000000
#define	EDMAC_RD0_RDLE   0x40000000
#define	EDMAC_RD0_RFP_SOF   0x20000000
#define	EDMAC_RD0_RFP_EOF   0x10000000
#define	EDMAC_RD0_RFE   0x08000000
#define	EDMAC_RD0_RFS_MASK   0x0000039F
#define	EDMAC_RD0_RFS_RFOF   0x00000200
#define	EDMAC_RD0_RFS_RABT   0x00000100
#define	EDMAC_RD0_RFS_RMAF   0x00000080
#define	EDMAC_RD0_RFS_RRF   0x00000010
#define	EDMAC_RD0_RFS_RTLF   0x00000008
#define	EDMAC_RD0_RFS_RTSF   0x00000004
#define	EDMAC_RD0_RFS_PRE   0x00000002
#define	EDMAC_RD0_RFS_CERF   0x00000001
#define	EDMAC_RD1_RBL   0xFFFF0000
#define	EDMAC_RD1_RFL   0x0000FFFF
#define	EDMAC_RD2_RBA   0xFFFFFFFF

Functions
error_t	rx65nEthInit (NetInterface *interface)
	RX65N Ethernet MAC initialization. More...
void	rx65nEthInitGpio (NetInterface *interface)
	GPIO configuration. More...
void	rx65nEthInitDmaDesc (NetInterface *interface)
	Initialize DMA descriptor lists. More...
void	rx65nEthTick (NetInterface *interface)
	RX65N Ethernet MAC timer handler. More...
void	rx65nEthEnableIrq (NetInterface *interface)
	Enable interrupts. More...
void	rx65nEthDisableIrq (NetInterface *interface)
	Disable interrupts. More...
void	rx65nEthIrqHandler (void)
	RX65N Ethernet MAC interrupt service routine. More...
void	rx65nEthEventHandler (NetInterface *interface)
	RX65N Ethernet MAC event handler. More...
error_t	rx65nEthSendPacket (NetInterface *interface, const NetBuffer *buffer, size_t offset, NetTxAncillary *ancillary)
	Send a packet. More...
error_t	rx65nEthReceivePacket (NetInterface *interface)
	Receive a packet. More...
error_t	rx65nEthUpdateMacAddrFilter (NetInterface *interface)
	Configure MAC address filtering. More...
error_t	rx65nEthUpdateMacConfig (NetInterface *interface)
	Adjust MAC configuration parameters for proper operation. More...
void	rx65nEthWritePhyReg (uint8_t opcode, uint8_t phyAddr, uint8_t regAddr, uint16_t data)
	Write PHY register. More...
uint16_t	rx65nEthReadPhyReg (uint8_t opcode, uint8_t phyAddr, uint8_t regAddr)
	Read PHY register. More...
void	rx65nEthWriteSmi (uint32_t data, uint_t length)
	SMI write operation. More...
uint32_t	rx65nEthReadSmi (uint_t length)
	SMI read operation. More...

Variables
const NicDriver	rx65nEthDriver
	RX65N Ethernet MAC driver. More...

Detailed Description

Renesas RX65N Ethernet MAC driver.

License

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

Copyright (C) 2010-2025 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.

Author

Oryx Embedded SARL (www.oryx-embedded.com)

Version

2.5.4

Definition in file rx65n_eth_driver.h.

Macro Definition Documentation

EDMAC_EESR_ADE

#define EDMAC_EESR_ADE   0x00800000

Definition at line 77 of file rx65n_eth_driver.h.

EDMAC_EESR_CD

#define EDMAC_EESR_CD   0x00000200

Definition at line 87 of file rx65n_eth_driver.h.

EDMAC_EESR_CERF

#define EDMAC_EESR_CERF   0x00000001

Definition at line 94 of file rx65n_eth_driver.h.

EDMAC_EESR_CND

#define EDMAC_EESR_CND   0x00000800

Definition at line 85 of file rx65n_eth_driver.h.

EDMAC_EESR_DLC

#define EDMAC_EESR_DLC   0x00000400

Definition at line 86 of file rx65n_eth_driver.h.

EDMAC_EESR_ECI

#define EDMAC_EESR_ECI   0x00400000

Definition at line 78 of file rx65n_eth_driver.h.

EDMAC_EESR_FR

#define EDMAC_EESR_FR   0x00040000

Definition at line 82 of file rx65n_eth_driver.h.

EDMAC_EESR_PRE

#define EDMAC_EESR_PRE   0x00000002

Definition at line 93 of file rx65n_eth_driver.h.

EDMAC_EESR_RABT

#define EDMAC_EESR_RABT   0x02000000

Definition at line 75 of file rx65n_eth_driver.h.

EDMAC_EESR_RDE

#define EDMAC_EESR_RDE   0x00020000

Definition at line 83 of file rx65n_eth_driver.h.

EDMAC_EESR_RFCOF

#define EDMAC_EESR_RFCOF   0x01000000

Definition at line 76 of file rx65n_eth_driver.h.

EDMAC_EESR_RFOF

#define EDMAC_EESR_RFOF   0x00010000

Definition at line 84 of file rx65n_eth_driver.h.

EDMAC_EESR_RMAF

#define EDMAC_EESR_RMAF   0x00000080

Definition at line 89 of file rx65n_eth_driver.h.

EDMAC_EESR_RRF

#define EDMAC_EESR_RRF   0x00000010

Definition at line 90 of file rx65n_eth_driver.h.

EDMAC_EESR_RTLF

#define EDMAC_EESR_RTLF   0x00000008

Definition at line 91 of file rx65n_eth_driver.h.

EDMAC_EESR_RTSF

#define EDMAC_EESR_RTSF   0x00000004

Definition at line 92 of file rx65n_eth_driver.h.

EDMAC_EESR_TABT

#define EDMAC_EESR_TABT   0x04000000

Definition at line 74 of file rx65n_eth_driver.h.

EDMAC_EESR_TC

#define EDMAC_EESR_TC   0x00200000

Definition at line 79 of file rx65n_eth_driver.h.

EDMAC_EESR_TDE

#define EDMAC_EESR_TDE   0x00100000

Definition at line 80 of file rx65n_eth_driver.h.

EDMAC_EESR_TFUF

#define EDMAC_EESR_TFUF   0x00080000

Definition at line 81 of file rx65n_eth_driver.h.

EDMAC_EESR_TRO

#define EDMAC_EESR_TRO   0x00000100

Definition at line 88 of file rx65n_eth_driver.h.

EDMAC_EESR_TWB

#define EDMAC_EESR_TWB   0x40000000

Definition at line 73 of file rx65n_eth_driver.h.

EDMAC_RD0_RACT

#define EDMAC_RD0_RACT   0x80000000

Definition at line 113 of file rx65n_eth_driver.h.

EDMAC_RD0_RDLE

#define EDMAC_RD0_RDLE   0x40000000

Definition at line 114 of file rx65n_eth_driver.h.

EDMAC_RD0_RFE

#define EDMAC_RD0_RFE   0x08000000

Definition at line 117 of file rx65n_eth_driver.h.

EDMAC_RD0_RFP_EOF

#define EDMAC_RD0_RFP_EOF   0x10000000

Definition at line 116 of file rx65n_eth_driver.h.

EDMAC_RD0_RFP_SOF

#define EDMAC_RD0_RFP_SOF   0x20000000

Definition at line 115 of file rx65n_eth_driver.h.

EDMAC_RD0_RFS_CERF

#define EDMAC_RD0_RFS_CERF   0x00000001

Definition at line 126 of file rx65n_eth_driver.h.

EDMAC_RD0_RFS_MASK

#define EDMAC_RD0_RFS_MASK   0x0000039F

Definition at line 118 of file rx65n_eth_driver.h.

EDMAC_RD0_RFS_PRE

#define EDMAC_RD0_RFS_PRE   0x00000002

Definition at line 125 of file rx65n_eth_driver.h.

EDMAC_RD0_RFS_RABT

#define EDMAC_RD0_RFS_RABT   0x00000100

Definition at line 120 of file rx65n_eth_driver.h.

EDMAC_RD0_RFS_RFOF

#define EDMAC_RD0_RFS_RFOF   0x00000200

Definition at line 119 of file rx65n_eth_driver.h.

EDMAC_RD0_RFS_RMAF

#define EDMAC_RD0_RFS_RMAF   0x00000080

Definition at line 121 of file rx65n_eth_driver.h.

EDMAC_RD0_RFS_RRF

#define EDMAC_RD0_RFS_RRF   0x00000010

Definition at line 122 of file rx65n_eth_driver.h.

EDMAC_RD0_RFS_RTLF

#define EDMAC_RD0_RFS_RTLF   0x00000008

Definition at line 123 of file rx65n_eth_driver.h.

EDMAC_RD0_RFS_RTSF

#define EDMAC_RD0_RFS_RTSF   0x00000004

Definition at line 124 of file rx65n_eth_driver.h.

EDMAC_RD1_RBL

#define EDMAC_RD1_RBL   0xFFFF0000

Definition at line 127 of file rx65n_eth_driver.h.

EDMAC_RD1_RFL

#define EDMAC_RD1_RFL   0x0000FFFF

Definition at line 128 of file rx65n_eth_driver.h.

EDMAC_RD2_RBA

#define EDMAC_RD2_RBA   0xFFFFFFFF

Definition at line 129 of file rx65n_eth_driver.h.

EDMAC_TD0_TACT

#define EDMAC_TD0_TACT   0x80000000

Definition at line 97 of file rx65n_eth_driver.h.

EDMAC_TD0_TDLE

#define EDMAC_TD0_TDLE   0x40000000

Definition at line 98 of file rx65n_eth_driver.h.

EDMAC_TD0_TFE

#define EDMAC_TD0_TFE   0x08000000

Definition at line 101 of file rx65n_eth_driver.h.

EDMAC_TD0_TFP_EOF

#define EDMAC_TD0_TFP_EOF   0x10000000

Definition at line 100 of file rx65n_eth_driver.h.

EDMAC_TD0_TFP_SOF

#define EDMAC_TD0_TFP_SOF   0x20000000

Definition at line 99 of file rx65n_eth_driver.h.

EDMAC_TD0_TFS_CD

#define EDMAC_TD0_TFS_CD   0x00000002

Definition at line 107 of file rx65n_eth_driver.h.

EDMAC_TD0_TFS_CND

#define EDMAC_TD0_TFS_CND   0x00000008

Definition at line 105 of file rx65n_eth_driver.h.

EDMAC_TD0_TFS_DLC

#define EDMAC_TD0_TFS_DLC   0x00000004

Definition at line 106 of file rx65n_eth_driver.h.

EDMAC_TD0_TFS_MASK

#define EDMAC_TD0_TFS_MASK   0x0000010F

Definition at line 103 of file rx65n_eth_driver.h.

EDMAC_TD0_TFS_TABT

#define EDMAC_TD0_TFS_TABT   0x00000100

Definition at line 104 of file rx65n_eth_driver.h.

EDMAC_TD0_TFS_TRO

#define EDMAC_TD0_TFS_TRO   0x00000001

Definition at line 108 of file rx65n_eth_driver.h.

EDMAC_TD0_TWBI

#define EDMAC_TD0_TWBI   0x04000000

Definition at line 102 of file rx65n_eth_driver.h.

EDMAC_TD1_TBL

#define EDMAC_TD1_TBL   0xFFFF0000

Definition at line 109 of file rx65n_eth_driver.h.

EDMAC_TD2_TBA

#define EDMAC_TD2_TBA   0xFFFFFFFF

Definition at line 110 of file rx65n_eth_driver.h.

RX65N_ETH_IRQ_PRIORITY

#define RX65N_ETH_IRQ_PRIORITY   2

Definition at line 67 of file rx65n_eth_driver.h.

RX65N_ETH_RX_BUFFER_COUNT

#define RX65N_ETH_RX_BUFFER_COUNT   6

Definition at line 53 of file rx65n_eth_driver.h.

RX65N_ETH_RX_BUFFER_SIZE

#define RX65N_ETH_RX_BUFFER_SIZE   1536

Definition at line 60 of file rx65n_eth_driver.h.

RX65N_ETH_TX_BUFFER_COUNT

#define RX65N_ETH_TX_BUFFER_COUNT   3

Definition at line 39 of file rx65n_eth_driver.h.

RX65N_ETH_TX_BUFFER_SIZE

#define RX65N_ETH_TX_BUFFER_SIZE   1536

Definition at line 46 of file rx65n_eth_driver.h.

Function Documentation

rx65nEthDisableIrq()

void rx65nEthDisableIrq

(

NetInterface *

interface

)

Disable interrupts.

Parameters

[in]

interface

Underlying network interface

Definition at line 439 of file rx65n_eth_driver.c.

rx65nEthEnableIrq()

void rx65nEthEnableIrq

(

NetInterface *

interface

)

Enable interrupts.

Parameters

[in]

interface

Underlying network interface

Definition at line 411 of file rx65n_eth_driver.c.

rx65nEthEventHandler()

void rx65nEthEventHandler

(

NetInterface *

interface

)

RX65N Ethernet MAC event handler.

Parameters

[in]

interface

Underlying network interface

Definition at line 516 of file rx65n_eth_driver.c.

rx65nEthInit()

error_t rx65nEthInit

(

NetInterface *

interface

)

RX65N Ethernet MAC initialization.

Parameters

[in]

interface

Underlying network interface

Returns

Error code

Definition at line 115 of file rx65n_eth_driver.c.

rx65nEthInitDmaDesc()

void rx65nEthInitDmaDesc

(

NetInterface *

interface

)

Initialize DMA descriptor lists.

Parameters

[in]

interface

Underlying network interface

Definition at line 330 of file rx65n_eth_driver.c.

rx65nEthInitGpio()

void rx65nEthInitGpio

(

NetInterface *

interface

)

GPIO configuration.

Parameters

[in]

interface

Underlying network interface

Definition at line 235 of file rx65n_eth_driver.c.

rx65nEthIrqHandler()

void rx65nEthIrqHandler

(

void

)

RX65N Ethernet MAC interrupt service routine.

Definition at line 466 of file rx65n_eth_driver.c.

rx65nEthReadPhyReg()

uint16_t rx65nEthReadPhyReg	(	uint8_t	opcode,
		uint8_t	phyAddr,
		uint8_t	regAddr
	)

Read PHY register.

Parameters

[in]	opcode	Access type (2 bits)
[in]	phyAddr	PHY address (5 bits)
[in]	regAddr	Register address (5 bits)

Returns

Register value

Definition at line 805 of file rx65n_eth_driver.c.

rx65nEthReadSmi()

uint32_t rx65nEthReadSmi

(

uint_t

length

)

SMI read operation.

Parameters

[in]

length

Number of bits to be read

Returns

Data resulting from the MDIO read operation

Definition at line 878 of file rx65n_eth_driver.c.

rx65nEthReceivePacket()

error_t rx65nEthReceivePacket

(

NetInterface *

interface

)

Receive a packet.

Parameters

[in]

interface

Underlying network interface

Returns

Error code

Definition at line 609 of file rx65n_eth_driver.c.

rx65nEthSendPacket()

error_t rx65nEthSendPacket	(	NetInterface *	interface,
		const NetBuffer *	buffer,
		size_t	offset,
		NetTxAncillary *	ancillary
	)

Send a packet.

Parameters

[in]	interface	Underlying network interface
[in]	buffer	Multi-part buffer containing the data to send
[in]	offset	Offset to the first data byte
[in]	ancillary	Additional options passed to the stack along with the packet

Returns

Error code

Definition at line 541 of file rx65n_eth_driver.c.

rx65nEthTick()

void rx65nEthTick

(

NetInterface *

interface

)

RX65N Ethernet MAC timer handler.

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

Parameters

[in]

interface

Underlying network interface

Definition at line 386 of file rx65n_eth_driver.c.

rx65nEthUpdateMacAddrFilter()

error_t rx65nEthUpdateMacAddrFilter

(

NetInterface *

interface

)

Configure MAC address filtering.

Parameters

[in]

interface

Underlying network interface

Returns

Error code

Definition at line 687 of file rx65n_eth_driver.c.

rx65nEthUpdateMacConfig()

error_t rx65nEthUpdateMacConfig

(

NetInterface *

interface

)

Adjust MAC configuration parameters for proper operation.

Parameters

[in]

interface

Underlying network interface

Returns

Error code

Definition at line 740 of file rx65n_eth_driver.c.

rx65nEthWritePhyReg()

void rx65nEthWritePhyReg	(	uint8_t	opcode,
		uint8_t	phyAddr,
		uint8_t	regAddr,
		uint16_t	data
	)

Write PHY register.

Parameters

[in]	opcode	Access type (2 bits)
[in]	phyAddr	PHY address (5 bits)
[in]	regAddr	Register address (5 bits)
[in]	data	Register value

Definition at line 775 of file rx65n_eth_driver.c.

rx65nEthWriteSmi()

void rx65nEthWriteSmi	(	uint32_t	data,
		uint_t	length
	)

SMI write operation.

Parameters

[in]	data	Raw data to be written
[in]	length	Number of bits to be written

Definition at line 838 of file rx65n_eth_driver.c.

Variable Documentation

rx65nEthDriver

const NicDriver rx65nEthDriver

extern

RX65N Ethernet MAC driver.

Definition at line 88 of file rx65n_eth_driver.c.