mii_bit.h File Reference

MII bit-bashing interface. More...

#include <ipxe/mii.h>
#include <ipxe/bitbash.h>

Go to the source code of this file.

Data Structures
struct	mii_bit_basher
	A bit-bashing MII interface. More...

Macros
#define	MII_BIT_START   0xffffffff
	Start.
#define	MII_BIT_START_MASK   0x80000000
	Start mask.
#define	MII_BIT_CMD_MASK   0x00000008
	Command mask.
#define	MII_BIT_CMD_READ   0x00000006
	Command read.
#define	MII_BIT_CMD_WRITE   0x00000005
	Command write.
#define	MII_BIT_CMD_RW   0x00000001
	Command read or write.
#define	MII_BIT_PHY_MASK   0x00000010
	PHY mask.
#define	MII_BIT_REG_MASK   0x00000010
	Register mask.
#define	MII_BIT_SWITCH   0x00000002
	Switch.
#define	MII_BIT_SWITCH_MASK   0x00000002
	Switch mask.
#define	MII_BIT_DATA_MASK   0x00008000
	Data mask.
#define	MII_BIT_UDELAY   1
	Delay between MDC transitions.

Enumerations
enum	{ MII_BIT_MDC = 0 , MII_BIT_MDIO , MII_BIT_DRIVE }
	Bit indices used for MII bit-bashing interface. More...

Functions
	FILE_LICENCE (GPL2_OR_LATER_OR_UBDL)
void	init_mii_bit_basher (struct mii_bit_basher *miibit)
	Initialise bit-bashing interface.

Detailed Description

MII bit-bashing interface.

Definition in file mii_bit.h.

Macro Definition Documentation

MII_BIT_START

#define MII_BIT_START   0xffffffff

Start.

Definition at line 15 of file mii_bit.h.

Referenced by mii_bit_rw().

MII_BIT_START_MASK

#define MII_BIT_START_MASK   0x80000000

Start mask.

Definition at line 16 of file mii_bit.h.

Referenced by mii_bit_rw().

MII_BIT_CMD_MASK

#define MII_BIT_CMD_MASK   0x00000008

Command mask.

Definition at line 18 of file mii_bit.h.

Referenced by mii_bit_rw().

MII_BIT_CMD_READ

#define MII_BIT_CMD_READ   0x00000006

Command read.

Definition at line 19 of file mii_bit.h.

Referenced by mii_bit_read().

MII_BIT_CMD_WRITE

#define MII_BIT_CMD_WRITE   0x00000005

Command write.

Definition at line 20 of file mii_bit.h.

Referenced by mii_bit_write().

MII_BIT_CMD_RW

#define MII_BIT_CMD_RW   0x00000001

Command read or write.

Definition at line 21 of file mii_bit.h.

Referenced by mii_bit_rw().

MII_BIT_PHY_MASK

#define MII_BIT_PHY_MASK   0x00000010

PHY mask.

Definition at line 23 of file mii_bit.h.

Referenced by mii_bit_rw().

MII_BIT_REG_MASK

#define MII_BIT_REG_MASK   0x00000010

Register mask.

Definition at line 25 of file mii_bit.h.

Referenced by mii_bit_rw().

MII_BIT_SWITCH

#define MII_BIT_SWITCH   0x00000002

Switch.

Definition at line 27 of file mii_bit.h.

Referenced by mii_bit_rw().

MII_BIT_SWITCH_MASK

#define MII_BIT_SWITCH_MASK   0x00000002

Switch mask.

Definition at line 28 of file mii_bit.h.

Referenced by mii_bit_rw().

MII_BIT_DATA_MASK

#define MII_BIT_DATA_MASK   0x00008000

Data mask.

Definition at line 30 of file mii_bit.h.

Referenced by mii_bit_rw().

MII_BIT_UDELAY

#define MII_BIT_UDELAY   1

Delay between MDC transitions.

Definition at line 51 of file mii_bit.h.

Enumeration Type Documentation

anonymous enum

anonymous enum

Bit indices used for MII bit-bashing interface.

Enumerator
MII_BIT_MDC	MII clock.
MII_BIT_MDIO	MII data.
MII_BIT_DRIVE	MII data direction.

Definition at line 41 of file mii_bit.h.

     {
        /** MII clock */
        MII_BIT_MDC = 0,
        /** MII data */
        MII_BIT_MDIO,
        /** MII data direction */
        MII_BIT_DRIVE,
};

Function Documentation

FILE_LICENCE()

FILE_LICENCE

(

GPL2_OR_LATER_OR_UBDL

)

init_mii_bit_basher()

void init_mii_bit_basher ( struct mii_bit_basher * miibit )

extern

Initialise bit-bashing interface.

Parameters

miibit

MII bit basher

Definition at line 160 of file mii_bit.c.

                                                           {
        mdio_init ( &miibit->mdio, &mii_bit_op );
};

References mii_bit_basher::mdio, mdio_init(), and mii_bit_op.

Referenced by icplus_probe().