OMAP-L138 Ethernet MAC driver. More...

#include "soc_omapl138.h"
#include "hw_types.h"
#include "hw_syscfg0_omapl138.h"
#include "hw_emac.h"
#include "hw_emac_ctrl.h"
#include "hw_mdio.h"
#include "cache.h"
#include "interrupt.h"
#include "psc.h"
#include "core/net.h"
#include "drivers/mac/omapl138_eth_driver.h"
#include "debug.h"

Macros
#define	TRACE_LEVEL NIC_TRACE_LEVEL

#define	MDIO_INPUT_CLK 75000000

#define	MDIO_OUTPUT_CLK 1000000

Functions
error_t	omapl138EthInit (NetInterface *interface)
	OMAP-L138 Ethernet MAC initialization. More...

__weak_func void	omapl138EthInitGpio (NetInterface *interface)
	GPIO configuration. More...

void	omapl138EthInitBufferDesc (NetInterface *interface)
	Initialize buffer descriptor lists. More...

void	omapl138EthTick (NetInterface *interface)
	OMAP-L138 Ethernet MAC timer handler. More...

void	omapl138EthEnableIrq (NetInterface *interface)
	Enable interrupts. More...

void	omapl138EthDisableIrq (NetInterface *interface)
	Disable interrupts. More...

void	omapl138EthTxIrqHandler (void)
	Ethernet MAC transmit interrupt. More...

void	omapl138EthRxIrqHandler (void)
	Ethernet MAC receive interrupt. More...

void	omapl138EthEventHandler (NetInterface *interface)
	OMAP-L138 Ethernet MAC event handler. More...

error_t	omapl138EthSendPacket (NetInterface interface, const NetBuffer buffer, size_t offset, NetTxAncillary *ancillary)
	Send a packet. More...

error_t	omapl138EthReceivePacket (NetInterface *interface)
	Receive a packet. More...

error_t	omapl138EthUpdateMacAddrFilter (NetInterface *interface)
	Configure MAC address filtering. More...

error_t	omapl138EthUpdateMacConfig (NetInterface *interface)
	Adjust MAC configuration parameters for proper operation. More...

void	omapl138EthWritePhyReg (uint8_t opcode, uint8_t phyAddr, uint8_t regAddr, uint16_t data)
	Write PHY register. More...

uint16_t	omapl138EthReadPhyReg (uint8_t opcode, uint8_t phyAddr, uint8_t regAddr)
	Read PHY register. More...

Variables
const NicDriver	omapl138EthDriver
	OMAP-L138 Ethernet MAC driver. More...

Detailed Description

OMAP-L138 Ethernet MAC driver.

License

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

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: 2.4.4

Definition in file omapl138_eth_driver.c.

Macro Definition Documentation

◆ MDIO_INPUT_CLK

#define MDIO_INPUT_CLK 75000000

Definition at line 49 of file omapl138_eth_driver.c.

◆ MDIO_OUTPUT_CLK

#define MDIO_OUTPUT_CLK 1000000

Definition at line 51 of file omapl138_eth_driver.c.

◆ TRACE_LEVEL

#define TRACE_LEVEL NIC_TRACE_LEVEL

Definition at line 32 of file omapl138_eth_driver.c.

Function Documentation

◆ omapl138EthDisableIrq()

void omapl138EthDisableIrq ( NetInterface * interface )

Disable interrupts.

Parameters

[in] interface Underlying network interface

Definition at line 521 of file omapl138_eth_driver.c.

◆ omapl138EthEnableIrq()

void omapl138EthEnableIrq ( NetInterface * interface )

Enable interrupts.

Parameters

[in] interface Underlying network interface

Definition at line 492 of file omapl138_eth_driver.c.

◆ omapl138EthEventHandler()

void omapl138EthEventHandler ( NetInterface * interface )

OMAP-L138 Ethernet MAC event handler.

Parameters

[in] interface Underlying network interface

Definition at line 656 of file omapl138_eth_driver.c.

◆ omapl138EthInit()

error_t omapl138EthInit ( NetInterface * interface )

OMAP-L138 Ethernet MAC initialization.

Parameters

[in] interface Underlying network interface

Returns: Error code

Definition at line 131 of file omapl138_eth_driver.c.

◆ omapl138EthInitBufferDesc()

void omapl138EthInitBufferDesc ( NetInterface * interface )

Initialize buffer descriptor lists.

Parameters

[in] interface Underlying network interface

Definition at line 381 of file omapl138_eth_driver.c.

◆ omapl138EthInitGpio()

__weak_func void omapl138EthInitGpio ( NetInterface * interface )

GPIO configuration.

Parameters

[in] interface Underlying network interface

Definition at line 320 of file omapl138_eth_driver.c.

◆ omapl138EthReadPhyReg()

uint16_t omapl138EthReadPhyReg	(	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 1004 of file omapl138_eth_driver.c.

◆ omapl138EthReceivePacket()

error_t omapl138EthReceivePacket ( NetInterface * interface )

Receive a packet.

Parameters

[in] interface Underlying network interface

Returns: Error code

Definition at line 761 of file omapl138_eth_driver.c.

◆ omapl138EthRxIrqHandler()

void omapl138EthRxIrqHandler ( void )

Ethernet MAC receive interrupt.

Definition at line 614 of file omapl138_eth_driver.c.

◆ omapl138EthSendPacket()

error_t omapl138EthSendPacket	(	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 684 of file omapl138_eth_driver.c.

◆ omapl138EthTick()

void omapl138EthTick ( NetInterface * interface )

OMAP-L138 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 455 of file omapl138_eth_driver.c.

◆ omapl138EthTxIrqHandler()

void omapl138EthTxIrqHandler ( void )

Ethernet MAC transmit interrupt.

Definition at line 549 of file omapl138_eth_driver.c.

◆ omapl138EthUpdateMacAddrFilter()

error_t omapl138EthUpdateMacAddrFilter ( NetInterface * interface )

Configure MAC address filtering.

Parameters

[in] interface Underlying network interface

Returns: Error code

Definition at line 859 of file omapl138_eth_driver.c.

◆ omapl138EthUpdateMacConfig()

error_t omapl138EthUpdateMacConfig ( NetInterface * interface )

Adjust MAC configuration parameters for proper operation.

Parameters

[in] interface Underlying network interface

Returns: Error code

Definition at line 922 of file omapl138_eth_driver.c.

◆ omapl138EthWritePhyReg()

void omapl138EthWritePhyReg	(	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 965 of file omapl138_eth_driver.c.

Variable Documentation

◆ omapl138EthDriver

const NicDriver omapl138EthDriver

Initial value:

=
{
   NIC_TYPE_ETHERNET,
   ETH_MTU,
   omapl138EthInit,
   omapl138EthTick,
   omapl138EthEnableIrq,
   omapl138EthDisableIrq,
   omapl138EthEventHandler,
   omapl138EthSendPacket,
   omapl138EthUpdateMacAddrFilter,
   omapl138EthUpdateMacConfig,
   omapl138EthWritePhyReg,
   omapl138EthReadPhyReg,
   FALSE,
   TRUE,
   TRUE,
   FALSE
}

OMAP-L138 Ethernet MAC driver.

Definition at line 104 of file omapl138_eth_driver.c.

Macros

Functions

Variables

Detailed Description

License

Macro Definition Documentation

◆ MDIO_INPUT_CLK

◆ MDIO_OUTPUT_CLK

◆ TRACE_LEVEL

Function Documentation

◆ omapl138EthDisableIrq()

◆ omapl138EthEnableIrq()

◆ omapl138EthEventHandler()

◆ omapl138EthInit()

◆ omapl138EthInitBufferDesc()

◆ omapl138EthInitGpio()

◆ omapl138EthReadPhyReg()

◆ omapl138EthReceivePacket()

◆ omapl138EthRxIrqHandler()

◆ omapl138EthSendPacket()

◆ omapl138EthTick()

◆ omapl138EthTxIrqHandler()

◆ omapl138EthUpdateMacAddrFilter()

◆ omapl138EthUpdateMacConfig()

◆ omapl138EthWritePhyReg()

Variable Documentation

◆ omapl138EthDriver