AM243x MCU+ SDK  10.00.00
Enet Management Data I/O (MDIO)

Introduction

Sub Modules

 CPSW Management Data Input/Output (MDIO)
 

Data Structures

struct  EnetMdio_C22ReadInArgs
 Input args for ENET_MDIO_IOCTL_C22_READ command. More...
 
struct  EnetMdio_C45ReadInArgs
 Input args for ENET_MDIO_IOCTL_C45_READ command. More...
 
struct  EnetMdio_C22WriteInArgs
 Input args for ENET_MDIO_IOCTL_C22_WRITE command. More...
 
struct  EnetMdio_C45WriteInArgs
 Input args for ENET_MDIO_IOCTL_C45_WRITE command. More...
 

Enumerations

enum  EnetMdio_Ioctl {
  ENET_MDIO_IOCTL_GET_VERSION = ENET_MDIO_PUBLIC_IOCTL(0U), ENET_MDIO_IOCTL_PRINT_REGS = ENET_MDIO_PUBLIC_IOCTL(1U), ENET_MDIO_IOCTL_IS_ALIVE = ENET_MDIO_PUBLIC_IOCTL(2U), ENET_MDIO_IOCTL_IS_LINKED = ENET_MDIO_PUBLIC_IOCTL(3U),
  ENET_MDIO_IOCTL_IS_POLL_ENABLED = ENET_MDIO_PUBLIC_IOCTL(4U), ENET_MDIO_IOCTL_C22_READ = ENET_MDIO_PUBLIC_IOCTL(5U), ENET_MDIO_IOCTL_C22_WRITE = ENET_MDIO_PUBLIC_IOCTL(6U), ENET_MDIO_IOCTL_C45_READ = ENET_MDIO_PUBLIC_IOCTL(7U),
  ENET_MDIO_IOCTL_C45_WRITE = ENET_MDIO_PUBLIC_IOCTL(8U), ENET_MDIO_IOCTL_C22_ASYNC_READ_TRIGGER = ENET_MDIO_PUBLIC_IOCTL(9U), ENET_MDIO_IOCTL_C22_ASYNC_READ_COMPLETE = ENET_MDIO_PUBLIC_IOCTL(10U), ENET_MDIO_IOCTL_C22_ASYNC_WRITE_TRIGGER = ENET_MDIO_PUBLIC_IOCTL(11U),
  ENET_MDIO_IOCTL_C22_ASYNC_WRITE_COMPLETE = ENET_MDIO_PUBLIC_IOCTL(12U), ENET_MDIO_IOCTL_C45_ASYNC_READ_TRIGGER = ENET_MDIO_PUBLIC_IOCTL(13U), ENET_MDIO_IOCTL_C45_ASYNC_READ_COMPLETE = ENET_MDIO_PUBLIC_IOCTL(14U), ENET_MDIO_IOCTL_C45_ASYNC_WRITE_TRIGGER = ENET_MDIO_PUBLIC_IOCTL(15U),
  ENET_MDIO_IOCTL_C45_ASYNC_WRITE_COMPLETE = ENET_MDIO_PUBLIC_IOCTL(16U), ENET_MDIO_IOCTL_ENABLE_STATE_MACHINE = ENET_MDIO_PUBLIC_IOCTL(17U)
}
 MDIO IOCTL commands. More...
 
enum  EnetMdio_Group { ENET_MDIO_GROUP_0 = 0U, ENET_MDIO_GROUP_1, ENET_MDIO_GROUP_NUM }
 MDIO user group. More...
 
enum  EnetMdio_FrameFmt { ENET_MDIO_FRAME_FMT_C22 = 0U, ENET_MDIO_FRAME_FMT_C45 }
 Frame format. More...
 
enum  EnetMdio_C45Mmd {
  ENET_MDIO_MMD_PMA_PMD = 1U, ENET_MDIO_MMD_WIS = 2U, ENET_MDIO_MMD_PCS = 3U, ENET_MDIO_MMD_PHY_XS = 4U,
  ENET_MDIO_MMD_DTE_XS = 5U, ENET_MDIO_MMD_VENDOR_1 = 30U, ENET_MDIO_MMD_VENDOR_2 = 31U
}
 Clause-45 MDIO Manageable Device (MMD) addresses. More...
 

Macros

#define ENET_MDIO_FEAT_CLAUSE45   (ENET_BIT(0U))
 MDIO feature mask for Clause-45 support. More...
 
#define ENET_MDIO_FEAT_PHY_MONITOR   (ENET_BIT(1U))
 MDIO feature mask for PHY state change monitoring. More...
 
#define ENET_MDIO_PUBLIC_IOCTL(x)
 Helper macro to create IOCTL commands for MDIO module. More...
 
#define ENET_MDIO_PRIVATE_IOCTL(x)
 Helper macro to create private IOCTL commands for MDIO module. More...
 
#define ENET_MDIO_PHY_ADDR_MASK(addr)   (ENET_BIT(addr))
 Create a MDIO PHY mask from a PHY address. More...
 
#define ENET_MDIO_IS_PHY_ADDR_SET(mask, addr)   (((mask) & ENET_BIT(addr)) != 0U)
 Check if the corresponding PHY address mask is set. More...
 
#define ENET_MDIO_PHY_ADDR_MASK_NONE   (0x00000000U)
 MDIO PHY address mask for no PHYs present. More...
 
#define ENET_MDIO_PHY_ADDR_MASK_ALL   (0xFFFFFFFFU)
 MDIO PHY address mask for all PHYs present. More...
 
#define ENET_MDIO_PHY_CNT_MAX   (31U)
 Maximum number of PHYs supported on the MDIO bus. More...
 

Macro Definition Documentation

◆ ENET_MDIO_FEAT_CLAUSE45

#define ENET_MDIO_FEAT_CLAUSE45   (ENET_BIT(0U))

MDIO feature mask for Clause-45 support.

◆ ENET_MDIO_FEAT_PHY_MONITOR

#define ENET_MDIO_FEAT_PHY_MONITOR   (ENET_BIT(1U))

MDIO feature mask for PHY state change monitoring.

◆ ENET_MDIO_PUBLIC_IOCTL

#define ENET_MDIO_PUBLIC_IOCTL (   x)
Value:
ENET_IOCTL_MDIO_BASE | \
ENET_IOCTL_MIN(x))

Helper macro to create IOCTL commands for MDIO module.

◆ ENET_MDIO_PRIVATE_IOCTL

#define ENET_MDIO_PRIVATE_IOCTL (   x)
Value:
ENET_IOCTL_MDIO_BASE | \
ENET_IOCTL_MIN(x))

Helper macro to create private IOCTL commands for MDIO module.

◆ ENET_MDIO_PHY_ADDR_MASK

#define ENET_MDIO_PHY_ADDR_MASK (   addr)    (ENET_BIT(addr))

Create a MDIO PHY mask from a PHY address.

◆ ENET_MDIO_IS_PHY_ADDR_SET

#define ENET_MDIO_IS_PHY_ADDR_SET (   mask,
  addr 
)    (((mask) & ENET_BIT(addr)) != 0U)

Check if the corresponding PHY address mask is set.

◆ ENET_MDIO_PHY_ADDR_MASK_NONE

#define ENET_MDIO_PHY_ADDR_MASK_NONE   (0x00000000U)

MDIO PHY address mask for no PHYs present.

◆ ENET_MDIO_PHY_ADDR_MASK_ALL

#define ENET_MDIO_PHY_ADDR_MASK_ALL   (0xFFFFFFFFU)

MDIO PHY address mask for all PHYs present.

◆ ENET_MDIO_PHY_CNT_MAX

#define ENET_MDIO_PHY_CNT_MAX   (31U)

Maximum number of PHYs supported on the MDIO bus.

Enumeration Type Documentation

◆ EnetMdio_Ioctl

MDIO IOCTL commands.

Enumerator
ENET_MDIO_IOCTL_GET_VERSION 

Get the hardware version of the MDIO module.

IOCTL parameters:

ENET_MDIO_IOCTL_PRINT_REGS 

Print MDIO registers.

IOCTL parameters:

  • inArgs: None
  • outArgs: None
ENET_MDIO_IOCTL_IS_ALIVE 

Get PHY alive status.

IOCTL parameters:

  • inArgs: uint8_t
  • outArgs: bool
ENET_MDIO_IOCTL_IS_LINKED 

Get PHY link status.

IOCTL parameters:

  • inArgs: uint8_t
  • outArgs: bool
ENET_MDIO_IOCTL_IS_POLL_ENABLED 

Get link state change poll enable status.

Checks if PHY state change is being monitored for the given PHY address regardless of the underlying monitoring mechanism or mode.

IOCTL parameters:

  • inArgs: uint8_t
  • outArgs: bool
ENET_MDIO_IOCTL_C22_READ 

Read a PHY register using clause-22 frame.

IOCTL parameters:

ENET_MDIO_IOCTL_C22_WRITE 

Write a PHY register using clause-22 frame.

IOCTL parameters:

ENET_MDIO_IOCTL_C45_READ 

Read a PHY register using clause-45 frame.

IOCTL parameters:

ENET_MDIO_IOCTL_C45_WRITE 

Write a PHY register using clause-45 frame.

IOCTL parameters:

ENET_MDIO_IOCTL_C22_ASYNC_READ_TRIGGER 

Trigger Asynchronous read to PHY register.

IOCTL parameters:

ENET_MDIO_IOCTL_C22_ASYNC_READ_COMPLETE 

Checks for async read completion to PHY register.

IOCTL parameters:

ENET_MDIO_IOCTL_C22_ASYNC_WRITE_TRIGGER 

Trigger Asynchronous Write to PHY register.

IOCTL parameters:

ENET_MDIO_IOCTL_C22_ASYNC_WRITE_COMPLETE 

Checks for async Write completion to PHY register.

IOCTL parameters:

ENET_MDIO_IOCTL_C45_ASYNC_READ_TRIGGER 

Trigger Asynchronous Read to PHY register using clause-45 frame.

IOCTL parameters:

ENET_MDIO_IOCTL_C45_ASYNC_READ_COMPLETE 

Checks for async Read completion to PHY register using clause-45 frame.

IOCTL parameters:

ENET_MDIO_IOCTL_C45_ASYNC_WRITE_TRIGGER 

Trigger Asynchronous Write to PHY register using clause-45 frame.

IOCTL parameters:

ENET_MDIO_IOCTL_C45_ASYNC_WRITE_COMPLETE 

Checks for async Write completion to PHY register using clause-45 frame.

IOCTL parameters:

ENET_MDIO_IOCTL_ENABLE_STATE_MACHINE 

Enable MDIO state machine. Use.

If Mdio_Cfg.disableStateMachineOnInit is set, this IOCTL allows enabling Mdio state machine via IOCTL. This is used for sequencing external PHY management operation with MDIO state machine so that any link interrupts are not missed and MDIO state machine is enabled only after PHY initialization is complete IOCTL parameters:

  • inArgs: None
  • outArgs: None

◆ EnetMdio_Group

MDIO user group.

Enumerator
ENET_MDIO_GROUP_0 

Group 0

ENET_MDIO_GROUP_1 

Group 1

ENET_MDIO_GROUP_NUM 

Number of groups

◆ EnetMdio_FrameFmt

Frame format.

Enumerator
ENET_MDIO_FRAME_FMT_C22 

Clause 22 frame format

ENET_MDIO_FRAME_FMT_C45 

Clause 45 frame format

◆ EnetMdio_C45Mmd

Clause-45 MDIO Manageable Device (MMD) addresses.

Enumerator
ENET_MDIO_MMD_PMA_PMD 

PMA/PMD

ENET_MDIO_MMD_WIS 

WIS

ENET_MDIO_MMD_PCS 

PCS

ENET_MDIO_MMD_PHY_XS 

PHY XS

ENET_MDIO_MMD_DTE_XS 

DTE XS

ENET_MDIO_MMD_VENDOR_1 

Vendor specific 1

ENET_MDIO_MMD_VENDOR_2 

Vendor specific 2

ENET_IOCTL_TYPE_PUBLIC
@ ENET_IOCTL_TYPE_PUBLIC
Definition: enet_ioctl.h:209
ENET_IOCTL_TYPE_PRIVATE
@ ENET_IOCTL_TYPE_PRIVATE
Definition: enet_ioctl.h:212