PHY Generic Defines

Defined Constants and Types for the Ethernet PHY More...

Macros
#define	PHY_REG_BCR   0x00
#define	PHY_REG_BSR   0x01
#define	PHY_REG_ID1   0x02
#define	PHY_REG_ID2   0x03
#define	PHY_REG_ANTX   0x04
#define	PHY_REG_ANRX   0x05
#define	PHY_REG_ANEXP   0x06
#define	PHY_REG_ANNPTX   0x07
#define	PHY_REG_ANNPRX   0x08
#define	PHY_REG_BCR_COLTEST   (1 << 7)
#define	PHY_REG_BCR_FD   (1 << 8)
#define	PHY_REG_BCR_ANRST   (1 << 9)
#define	PHY_REG_BCR_ISOLATE   (1 << 10)
#define	PHY_REG_BCR_POWERDN   (1 << 11)
#define	PHY_REG_BCR_AN   (1 << 12)
#define	PHY_REG_BCR_100M   (1 << 13)
#define	PHY_REG_BCR_LOOPBACK   (1 << 14)
#define	PHY_REG_BCR_RESET   (1 << 15)
#define	PHY_REG_BSR_JABBER   (1 << 1)
#define	PHY_REG_BSR_UP   (1 << 2)
#define	PHY_REG_BSR_FAULT   (1 << 4)
#define	PHY_REG_BSR_ANDONE   (1 << 5)
#define	PHY0   0
#define	PHY1   1

Enumerations
enum	phy_status {   LINK_DOWN , LINK_HD_10M , LINK_HD_100M , LINK_HD_1000M ,   LINK_HD_10000M , LINK_FD_10M , LINK_FD_100M , LINK_FD_1000M ,   LINK_FD_10000M }

Functions
void	phy_reset (uint8_t phy)
	Reset the PHY. More...
bool	phy_link_isup (uint8_t phy)
	Is the link up ? More...
enum phy_status	phy_link_status (uint8_t phy)
	Get the current link status. More...
void	phy_autoneg_force (uint8_t phy, enum phy_status mode)
	Force autonegotiation. More...
void	phy_autoneg_enable (uint8_t phy)
	Enable the autonegotiation. More...

Detailed Description

Defined Constants and Types for the Ethernet PHY

Version

1.0.0

Author

© 2013 Frantisek Burian BuFra.nosp@m.n@se.nosp@m.znam..nosp@m.cz

Date

1 September 2013

LGPL License Terms libopencm3 License

Macro Definition Documentation

PHY0

#define PHY0   0

Definition at line 79 of file phy.h.

PHY1

#define PHY1   1

Definition at line 80 of file phy.h.

PHY_REG_ANEXP

#define PHY_REG_ANEXP   0x06

Definition at line 50 of file phy.h.

PHY_REG_ANNPRX

#define PHY_REG_ANNPRX   0x08

Definition at line 52 of file phy.h.

PHY_REG_ANNPTX

#define PHY_REG_ANNPTX   0x07

Definition at line 51 of file phy.h.

PHY_REG_ANRX

#define PHY_REG_ANRX   0x05

Definition at line 49 of file phy.h.

PHY_REG_ANTX

#define PHY_REG_ANTX   0x04

Definition at line 48 of file phy.h.

PHY_REG_BCR

#define PHY_REG_BCR   0x00

Definition at line 44 of file phy.h.

PHY_REG_BCR_100M

#define PHY_REG_BCR_100M   (1 << 13)

Definition at line 64 of file phy.h.

PHY_REG_BCR_AN

#define PHY_REG_BCR_AN   (1 << 12)

Definition at line 63 of file phy.h.

PHY_REG_BCR_ANRST

#define PHY_REG_BCR_ANRST   (1 << 9)

Definition at line 60 of file phy.h.

PHY_REG_BCR_COLTEST

#define PHY_REG_BCR_COLTEST   (1 << 7)

Definition at line 58 of file phy.h.

PHY_REG_BCR_FD

#define PHY_REG_BCR_FD   (1 << 8)

Definition at line 59 of file phy.h.

PHY_REG_BCR_ISOLATE

#define PHY_REG_BCR_ISOLATE   (1 << 10)

Definition at line 61 of file phy.h.

PHY_REG_BCR_LOOPBACK

#define PHY_REG_BCR_LOOPBACK   (1 << 14)

Definition at line 65 of file phy.h.

PHY_REG_BCR_POWERDN

#define PHY_REG_BCR_POWERDN   (1 << 11)

Definition at line 62 of file phy.h.

PHY_REG_BCR_RESET

#define PHY_REG_BCR_RESET   (1 << 15)

Definition at line 66 of file phy.h.

PHY_REG_BSR

#define PHY_REG_BSR   0x01

Definition at line 45 of file phy.h.

PHY_REG_BSR_ANDONE

#define PHY_REG_BSR_ANDONE   (1 << 5)

Definition at line 71 of file phy.h.

PHY_REG_BSR_FAULT

#define PHY_REG_BSR_FAULT   (1 << 4)

Definition at line 70 of file phy.h.

PHY_REG_BSR_JABBER

#define PHY_REG_BSR_JABBER   (1 << 1)

Definition at line 68 of file phy.h.

PHY_REG_BSR_UP

#define PHY_REG_BSR_UP   (1 << 2)

Definition at line 69 of file phy.h.

PHY_REG_ID1

#define PHY_REG_ID1   0x02

Definition at line 46 of file phy.h.

PHY_REG_ID2

#define PHY_REG_ID2   0x03

Definition at line 47 of file phy.h.

Enumeration Type Documentation

phy_status

enum phy_status

Enumerator
LINK_DOWN
LINK_HD_10M
LINK_HD_100M
LINK_HD_1000M
LINK_HD_10000M
LINK_FD_10M
LINK_FD_100M
LINK_FD_1000M
LINK_FD_10000M

Definition at line 82 of file phy.h.

Function Documentation

phy_autoneg_enable()

void phy_autoneg_enable

(

uint8_t

phy

)

Enable the autonegotiation.

Enable the autonegotiation of the link speed and duplex mode

Parameters

[in]

phy

uint8_t phy ID of the PHY

Definition at line 86 of file phy_ksz80x1.c.

References eth_smi_bit_set(), PHY_REG_BCR, PHY_REG_BCR_AN, and PHY_REG_BCR_ANRST.

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phy_autoneg_force()

void phy_autoneg_force	(	uint8_t	phy,
		enum phy_status	mode
	)

Force autonegotiation.

Force the autonegotiation and set link speed and duplex mode of the link

Parameters

[in]	phy	uint8_t phy ID of the PHY
[in]	mode	enum phy_status Desired link status

Definition at line 62 of file phy_ksz80x1.c.

References eth_smi_bit_op(), LINK_FD_10000M, LINK_FD_1000M, LINK_FD_100M, LINK_FD_10M, LINK_HD_100M, PHY_REG_BCR, PHY_REG_BCR_100M, PHY_REG_BCR_AN, and PHY_REG_BCR_FD.

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phy_link_isup()

bool phy_link_isup

(

uint8_t

phy

)

Is the link up ?

Parameters

[in]

phy

uint8_t phy ID of the PHY

Returns

bool true, if link is up

Definition at line 46 of file phy.c.

References eth_smi_read(), PHY_REG_BSR, and PHY_REG_BSR_UP.

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phy_link_status()

enum phy_status phy_link_status

(

uint8_t

phy

)

Get the current link status.

Retrieve the link speed and duplex status of the link.

Parameters

[in]

phy

uint8_t phy ID of the PHY

Returns

phy_status Link status

Definition at line 49 of file phy_ksz80x1.c.

References eth_smi_read(), and KSZ80X1_CR1.

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phy_reset()

void phy_reset

(

uint8_t

phy

)

Reset the PHY.

Reset the PHY chip and wait for done

Parameters

[in]

phy

uint8_t phy ID of the PHY

Definition at line 57 of file phy.c.

References eth_smi_read(), eth_smi_write(), PHY_REG_BCR, and PHY_REG_BCR_RESET.

Referenced by eth_init().

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