Create PHY Lib for U-Boot
Extends the mii_dev structure to participate in a full-blown MDIO and
PHY driver scheme. The mii_dev structure and miiphy calls are modified
in such a way to allow the original mii command and miiphy
infrastructure to work as before, but also to support a new set of APIs
which allow (among other things) sharing of PHY driver code and 10G support
The mii command will continue to support normal PHY management functions
(Clause 22 of 802.3), but will not be changed to support 10G
(Clause 45).
The basic design is similar to PHY Lib from Linux, but simplified for
U-Boot's network and driver infrastructure.
We now have MDIO drivers and PHY drivers
An MDIO driver provides:
read
write
reset
A PHY driver provides:
(optionally): probe
config - initial setup, starting of auto-negotiation
startup - waiting for AN, and reading link state
shutdown - any cleanup needed
The ethernet drivers interact with the PHY Lib using these functions:
phy_connect()
phy_config()
phy_startup()
phy_shutdown()
Each PHY driver can be configured separately, or all at once using
config_phylib_all_drivers.h (added in the patch which adds the drivers)
We also provide generic drivers for Clause 22 (10/100/1000), and
Clause 45 (10G) PHYs.
We also implement phy_reset(), and call it in phy_connect(). Because
phy_reset() is essentially the same as miiphy_reset, but:
a) must support 10G PHYs, and
b) should use the phylib primitives,
we implement miiphy_reset, using phy_reset(), but only when
CONFIG_PHYLIB is set. Otherwise, we just use the old version. In this
way, we save on compile size, even if we don't manage to save code size.
Pulled ethtool.h and mdio.h from:
git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6
782d640afd15af7a1faf01cfe566ca4ac511319d
With many, many deletions so as to enable compilation under u-boot
Signed-off-by: Andy Fleming <afleming@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Acked-by: Detlev Zundel <dzu@denx.de>
13 years ago
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/*
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* linux/mdio.h: definitions for MDIO (clause 45) transceivers
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* Copyright 2006-2009 Solarflare Communications Inc.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published
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* by the Free Software Foundation, incorporated herein by reference.
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*/
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#ifndef __LINUX_MDIO_H__
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#define __LINUX_MDIO_H__
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#include <linux/mii.h>
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/* MDIO Manageable Devices (MMDs). */
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#define MDIO_MMD_PMAPMD 1 /* Physical Medium Attachment/
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* Physical Medium Dependent */
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#define MDIO_MMD_WIS 2 /* WAN Interface Sublayer */
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#define MDIO_MMD_PCS 3 /* Physical Coding Sublayer */
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#define MDIO_MMD_PHYXS 4 /* PHY Extender Sublayer */
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#define MDIO_MMD_DTEXS 5 /* DTE Extender Sublayer */
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#define MDIO_MMD_TC 6 /* Transmission Convergence */
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#define MDIO_MMD_AN 7 /* Auto-Negotiation */
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#define MDIO_MMD_C22EXT 29 /* Clause 22 extension */
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#define MDIO_MMD_VEND1 30 /* Vendor specific 1 */
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#define MDIO_MMD_VEND2 31 /* Vendor specific 2 */
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/* Generic MDIO registers. */
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#define MDIO_CTRL1 MII_BMCR
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#define MDIO_STAT1 MII_BMSR
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#define MDIO_DEVID1 MII_PHYSID1
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#define MDIO_DEVID2 MII_PHYSID2
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#define MDIO_SPEED 4 /* Speed ability */
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#define MDIO_DEVS1 5 /* Devices in package */
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#define MDIO_DEVS2 6
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#define MDIO_CTRL2 7 /* 10G control 2 */
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#define MDIO_STAT2 8 /* 10G status 2 */
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#define MDIO_PMA_TXDIS 9 /* 10G PMA/PMD transmit disable */
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#define MDIO_PMA_RXDET 10 /* 10G PMA/PMD receive signal detect */
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#define MDIO_PMA_EXTABLE 11 /* 10G PMA/PMD extended ability */
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#define MDIO_PKGID1 14 /* Package identifier */
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#define MDIO_PKGID2 15
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#define MDIO_AN_ADVERTISE 16 /* AN advertising (base page) */
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#define MDIO_AN_LPA 19 /* AN LP abilities (base page) */
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#define MDIO_PHYXS_LNSTAT 24 /* PHY XGXS lane state */
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/* Media-dependent registers. */
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#define MDIO_PMA_10GBT_SWAPPOL 130 /* 10GBASE-T pair swap & polarity */
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#define MDIO_PMA_10GBT_TXPWR 131 /* 10GBASE-T TX power control */
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#define MDIO_PMA_10GBT_SNR 133 /* 10GBASE-T SNR margin, lane A.
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* Lanes B-D are numbered 134-136. */
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#define MDIO_PMA_10GBR_FECABLE 170 /* 10GBASE-R FEC ability */
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#define MDIO_PCS_10GBX_STAT1 24 /* 10GBASE-X PCS status 1 */
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#define MDIO_PCS_10GBRT_STAT1 32 /* 10GBASE-R/-T PCS status 1 */
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#define MDIO_PCS_10GBRT_STAT2 33 /* 10GBASE-R/-T PCS status 2 */
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#define MDIO_AN_10GBT_CTRL 32 /* 10GBASE-T auto-negotiation control */
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#define MDIO_AN_10GBT_STAT 33 /* 10GBASE-T auto-negotiation status */
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#define MDIO_AN_EEE_ADV 60 /* EEE advertisement */
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/* LASI (Link Alarm Status Interrupt) registers, defined by XENPAK MSA. */
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#define MDIO_PMA_LASI_RXCTRL 0x9000 /* RX_ALARM control */
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#define MDIO_PMA_LASI_TXCTRL 0x9001 /* TX_ALARM control */
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#define MDIO_PMA_LASI_CTRL 0x9002 /* LASI control */
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#define MDIO_PMA_LASI_RXSTAT 0x9003 /* RX_ALARM status */
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#define MDIO_PMA_LASI_TXSTAT 0x9004 /* TX_ALARM status */
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#define MDIO_PMA_LASI_STAT 0x9005 /* LASI status */
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/* Control register 1. */
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/* Enable extended speed selection */
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#define MDIO_CTRL1_SPEEDSELEXT (BMCR_SPEED1000 | BMCR_SPEED100)
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/* All speed selection bits */
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#define MDIO_CTRL1_SPEEDSEL (MDIO_CTRL1_SPEEDSELEXT | 0x003c)
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#define MDIO_CTRL1_FULLDPLX BMCR_FULLDPLX
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#define MDIO_CTRL1_LPOWER BMCR_PDOWN
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#define MDIO_CTRL1_RESET BMCR_RESET
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#define MDIO_PMA_CTRL1_LOOPBACK 0x0001
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#define MDIO_PMA_CTRL1_SPEED1000 BMCR_SPEED1000
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#define MDIO_PMA_CTRL1_SPEED100 BMCR_SPEED100
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#define MDIO_PCS_CTRL1_LOOPBACK BMCR_LOOPBACK
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#define MDIO_PHYXS_CTRL1_LOOPBACK BMCR_LOOPBACK
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#define MDIO_AN_CTRL1_RESTART BMCR_ANRESTART
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#define MDIO_AN_CTRL1_ENABLE BMCR_ANENABLE
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#define MDIO_AN_CTRL1_XNP 0x2000 /* Enable extended next page */
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/* 10 Gb/s */
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#define MDIO_CTRL1_SPEED10G (MDIO_CTRL1_SPEEDSELEXT | 0x00)
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/* 10PASS-TS/2BASE-TL */
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#define MDIO_CTRL1_SPEED10P2B (MDIO_CTRL1_SPEEDSELEXT | 0x04)
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/* Status register 1. */
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#define MDIO_STAT1_LPOWERABLE 0x0002 /* Low-power ability */
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#define MDIO_STAT1_LSTATUS BMSR_LSTATUS
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#define MDIO_STAT1_FAULT 0x0080 /* Fault */
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#define MDIO_AN_STAT1_LPABLE 0x0001 /* Link partner AN ability */
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#define MDIO_AN_STAT1_ABLE BMSR_ANEGCAPABLE
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#define MDIO_AN_STAT1_RFAULT BMSR_RFAULT
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#define MDIO_AN_STAT1_COMPLETE BMSR_ANEGCOMPLETE
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#define MDIO_AN_STAT1_PAGE 0x0040 /* Page received */
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#define MDIO_AN_STAT1_XNP 0x0080 /* Extended next page status */
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/* Speed register. */
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#define MDIO_SPEED_10G 0x0001 /* 10G capable */
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#define MDIO_PMA_SPEED_2B 0x0002 /* 2BASE-TL capable */
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#define MDIO_PMA_SPEED_10P 0x0004 /* 10PASS-TS capable */
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#define MDIO_PMA_SPEED_1000 0x0010 /* 1000M capable */
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#define MDIO_PMA_SPEED_100 0x0020 /* 100M capable */
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#define MDIO_PMA_SPEED_10 0x0040 /* 10M capable */
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#define MDIO_PCS_SPEED_10P2B 0x0002 /* 10PASS-TS/2BASE-TL capable */
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/* Device present registers. */
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#define MDIO_DEVS_PRESENT(devad) (1 << (devad))
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#define MDIO_DEVS_PMAPMD MDIO_DEVS_PRESENT(MDIO_MMD_PMAPMD)
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#define MDIO_DEVS_WIS MDIO_DEVS_PRESENT(MDIO_MMD_WIS)
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#define MDIO_DEVS_PCS MDIO_DEVS_PRESENT(MDIO_MMD_PCS)
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#define MDIO_DEVS_PHYXS MDIO_DEVS_PRESENT(MDIO_MMD_PHYXS)
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#define MDIO_DEVS_DTEXS MDIO_DEVS_PRESENT(MDIO_MMD_DTEXS)
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#define MDIO_DEVS_TC MDIO_DEVS_PRESENT(MDIO_MMD_TC)
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#define MDIO_DEVS_AN MDIO_DEVS_PRESENT(MDIO_MMD_AN)
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#define MDIO_DEVS_C22EXT MDIO_DEVS_PRESENT(MDIO_MMD_C22EXT)
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#define MDIO_DEVS_VEND1 MDIO_DEVS_PRESENT(MDIO_MMD_VEND1)
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#define MDIO_DEVS_VEND2 MDIO_DEVS_PRESENT(MDIO_MMD_VEND2)
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#define MDIO_DEVS_LINK (MDIO_DEVS_PMAPMD | \
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MDIO_DEVS_WIS | \
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MDIO_DEVS_PCS | \
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MDIO_DEVS_PHYXS | \
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MDIO_DEVS_DTEXS | \
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MDIO_DEVS_AN)
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Create PHY Lib for U-Boot
Extends the mii_dev structure to participate in a full-blown MDIO and
PHY driver scheme. The mii_dev structure and miiphy calls are modified
in such a way to allow the original mii command and miiphy
infrastructure to work as before, but also to support a new set of APIs
which allow (among other things) sharing of PHY driver code and 10G support
The mii command will continue to support normal PHY management functions
(Clause 22 of 802.3), but will not be changed to support 10G
(Clause 45).
The basic design is similar to PHY Lib from Linux, but simplified for
U-Boot's network and driver infrastructure.
We now have MDIO drivers and PHY drivers
An MDIO driver provides:
read
write
reset
A PHY driver provides:
(optionally): probe
config - initial setup, starting of auto-negotiation
startup - waiting for AN, and reading link state
shutdown - any cleanup needed
The ethernet drivers interact with the PHY Lib using these functions:
phy_connect()
phy_config()
phy_startup()
phy_shutdown()
Each PHY driver can be configured separately, or all at once using
config_phylib_all_drivers.h (added in the patch which adds the drivers)
We also provide generic drivers for Clause 22 (10/100/1000), and
Clause 45 (10G) PHYs.
We also implement phy_reset(), and call it in phy_connect(). Because
phy_reset() is essentially the same as miiphy_reset, but:
a) must support 10G PHYs, and
b) should use the phylib primitives,
we implement miiphy_reset, using phy_reset(), but only when
CONFIG_PHYLIB is set. Otherwise, we just use the old version. In this
way, we save on compile size, even if we don't manage to save code size.
Pulled ethtool.h and mdio.h from:
git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6
782d640afd15af7a1faf01cfe566ca4ac511319d
With many, many deletions so as to enable compilation under u-boot
Signed-off-by: Andy Fleming <afleming@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Acked-by: Detlev Zundel <dzu@denx.de>
13 years ago
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/* Control register 2. */
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#define MDIO_PMA_CTRL2_TYPE 0x000f /* PMA/PMD type selection */
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#define MDIO_PMA_CTRL2_10GBCX4 0x0000 /* 10GBASE-CX4 type */
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#define MDIO_PMA_CTRL2_10GBEW 0x0001 /* 10GBASE-EW type */
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#define MDIO_PMA_CTRL2_10GBLW 0x0002 /* 10GBASE-LW type */
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#define MDIO_PMA_CTRL2_10GBSW 0x0003 /* 10GBASE-SW type */
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#define MDIO_PMA_CTRL2_10GBLX4 0x0004 /* 10GBASE-LX4 type */
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#define MDIO_PMA_CTRL2_10GBER 0x0005 /* 10GBASE-ER type */
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#define MDIO_PMA_CTRL2_10GBLR 0x0006 /* 10GBASE-LR type */
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#define MDIO_PMA_CTRL2_10GBSR 0x0007 /* 10GBASE-SR type */
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#define MDIO_PMA_CTRL2_10GBLRM 0x0008 /* 10GBASE-LRM type */
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#define MDIO_PMA_CTRL2_10GBT 0x0009 /* 10GBASE-T type */
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#define MDIO_PMA_CTRL2_10GBKX4 0x000a /* 10GBASE-KX4 type */
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#define MDIO_PMA_CTRL2_10GBKR 0x000b /* 10GBASE-KR type */
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#define MDIO_PMA_CTRL2_1000BT 0x000c /* 1000BASE-T type */
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#define MDIO_PMA_CTRL2_1000BKX 0x000d /* 1000BASE-KX type */
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#define MDIO_PMA_CTRL2_100BTX 0x000e /* 100BASE-TX type */
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#define MDIO_PMA_CTRL2_10BT 0x000f /* 10BASE-T type */
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#define MDIO_PCS_CTRL2_TYPE 0x0003 /* PCS type selection */
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#define MDIO_PCS_CTRL2_10GBR 0x0000 /* 10GBASE-R type */
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#define MDIO_PCS_CTRL2_10GBX 0x0001 /* 10GBASE-X type */
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#define MDIO_PCS_CTRL2_10GBW 0x0002 /* 10GBASE-W type */
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#define MDIO_PCS_CTRL2_10GBT 0x0003 /* 10GBASE-T type */
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/* Status register 2. */
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#define MDIO_STAT2_RXFAULT 0x0400 /* Receive fault */
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#define MDIO_STAT2_TXFAULT 0x0800 /* Transmit fault */
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#define MDIO_STAT2_DEVPRST 0xc000 /* Device present */
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#define MDIO_STAT2_DEVPRST_VAL 0x8000 /* Device present value */
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#define MDIO_PMA_STAT2_LBABLE 0x0001 /* PMA loopback ability */
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#define MDIO_PMA_STAT2_10GBEW 0x0002 /* 10GBASE-EW ability */
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#define MDIO_PMA_STAT2_10GBLW 0x0004 /* 10GBASE-LW ability */
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#define MDIO_PMA_STAT2_10GBSW 0x0008 /* 10GBASE-SW ability */
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#define MDIO_PMA_STAT2_10GBLX4 0x0010 /* 10GBASE-LX4 ability */
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#define MDIO_PMA_STAT2_10GBER 0x0020 /* 10GBASE-ER ability */
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#define MDIO_PMA_STAT2_10GBLR 0x0040 /* 10GBASE-LR ability */
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#define MDIO_PMA_STAT2_10GBSR 0x0080 /* 10GBASE-SR ability */
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#define MDIO_PMD_STAT2_TXDISAB 0x0100 /* PMD TX disable ability */
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#define MDIO_PMA_STAT2_EXTABLE 0x0200 /* Extended abilities */
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#define MDIO_PMA_STAT2_RXFLTABLE 0x1000 /* Receive fault ability */
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#define MDIO_PMA_STAT2_TXFLTABLE 0x2000 /* Transmit fault ability */
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#define MDIO_PCS_STAT2_10GBR 0x0001 /* 10GBASE-R capable */
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#define MDIO_PCS_STAT2_10GBX 0x0002 /* 10GBASE-X capable */
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#define MDIO_PCS_STAT2_10GBW 0x0004 /* 10GBASE-W capable */
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#define MDIO_PCS_STAT2_RXFLTABLE 0x1000 /* Receive fault ability */
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#define MDIO_PCS_STAT2_TXFLTABLE 0x2000 /* Transmit fault ability */
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/* Transmit disable register. */
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#define MDIO_PMD_TXDIS_GLOBAL 0x0001 /* Global PMD TX disable */
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#define MDIO_PMD_TXDIS_0 0x0002 /* PMD TX disable 0 */
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#define MDIO_PMD_TXDIS_1 0x0004 /* PMD TX disable 1 */
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#define MDIO_PMD_TXDIS_2 0x0008 /* PMD TX disable 2 */
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#define MDIO_PMD_TXDIS_3 0x0010 /* PMD TX disable 3 */
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/* Receive signal detect register. */
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#define MDIO_PMD_RXDET_GLOBAL 0x0001 /* Global PMD RX signal detect */
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#define MDIO_PMD_RXDET_0 0x0002 /* PMD RX signal detect 0 */
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#define MDIO_PMD_RXDET_1 0x0004 /* PMD RX signal detect 1 */
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#define MDIO_PMD_RXDET_2 0x0008 /* PMD RX signal detect 2 */
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#define MDIO_PMD_RXDET_3 0x0010 /* PMD RX signal detect 3 */
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/* Extended abilities register. */
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#define MDIO_PMA_EXTABLE_10GCX4 0x0001 /* 10GBASE-CX4 ability */
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#define MDIO_PMA_EXTABLE_10GBLRM 0x0002 /* 10GBASE-LRM ability */
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#define MDIO_PMA_EXTABLE_10GBT 0x0004 /* 10GBASE-T ability */
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#define MDIO_PMA_EXTABLE_10GBKX4 0x0008 /* 10GBASE-KX4 ability */
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#define MDIO_PMA_EXTABLE_10GBKR 0x0010 /* 10GBASE-KR ability */
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#define MDIO_PMA_EXTABLE_1000BT 0x0020 /* 1000BASE-T ability */
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#define MDIO_PMA_EXTABLE_1000BKX 0x0040 /* 1000BASE-KX ability */
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#define MDIO_PMA_EXTABLE_100BTX 0x0080 /* 100BASE-TX ability */
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#define MDIO_PMA_EXTABLE_10BT 0x0100 /* 10BASE-T ability */
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/* PHY XGXS lane state register. */
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#define MDIO_PHYXS_LNSTAT_SYNC0 0x0001
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#define MDIO_PHYXS_LNSTAT_SYNC1 0x0002
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#define MDIO_PHYXS_LNSTAT_SYNC2 0x0004
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#define MDIO_PHYXS_LNSTAT_SYNC3 0x0008
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#define MDIO_PHYXS_LNSTAT_ALIGN 0x1000
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/* PMA 10GBASE-T pair swap & polarity */
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#define MDIO_PMA_10GBT_SWAPPOL_ABNX 0x0001 /* Pair A/B uncrossed */
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#define MDIO_PMA_10GBT_SWAPPOL_CDNX 0x0002 /* Pair C/D uncrossed */
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#define MDIO_PMA_10GBT_SWAPPOL_AREV 0x0100 /* Pair A polarity reversed */
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#define MDIO_PMA_10GBT_SWAPPOL_BREV 0x0200 /* Pair B polarity reversed */
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#define MDIO_PMA_10GBT_SWAPPOL_CREV 0x0400 /* Pair C polarity reversed */
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#define MDIO_PMA_10GBT_SWAPPOL_DREV 0x0800 /* Pair D polarity reversed */
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/* PMA 10GBASE-T TX power register. */
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#define MDIO_PMA_10GBT_TXPWR_SHORT 0x0001 /* Short-reach mode */
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/* PMA 10GBASE-T SNR registers. */
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/* Value is SNR margin in dB, clamped to range [-127, 127], plus 0x8000. */
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#define MDIO_PMA_10GBT_SNR_BIAS 0x8000
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#define MDIO_PMA_10GBT_SNR_MAX 127
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/* PMA 10GBASE-R FEC ability register. */
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#define MDIO_PMA_10GBR_FECABLE_ABLE 0x0001 /* FEC ability */
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#define MDIO_PMA_10GBR_FECABLE_ERRABLE 0x0002 /* FEC error indic. ability */
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/* PCS 10GBASE-R/-T status register 1. */
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#define MDIO_PCS_10GBRT_STAT1_BLKLK 0x0001 /* Block lock attained */
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/* PCS 10GBASE-R/-T status register 2. */
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#define MDIO_PCS_10GBRT_STAT2_ERR 0x00ff
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#define MDIO_PCS_10GBRT_STAT2_BER 0x3f00
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/* AN 10GBASE-T control register. */
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#define MDIO_AN_10GBT_CTRL_ADV10G 0x1000 /* Advertise 10GBASE-T */
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/* AN 10GBASE-T status register. */
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#define MDIO_AN_10GBT_STAT_LPTRR 0x0200 /* LP training reset req. */
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#define MDIO_AN_10GBT_STAT_LPLTABLE 0x0400 /* LP loop timing ability */
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#define MDIO_AN_10GBT_STAT_LP10G 0x0800 /* LP is 10GBT capable */
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#define MDIO_AN_10GBT_STAT_REMOK 0x1000 /* Remote OK */
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#define MDIO_AN_10GBT_STAT_LOCOK 0x2000 /* Local OK */
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#define MDIO_AN_10GBT_STAT_MS 0x4000 /* Master/slave config */
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#define MDIO_AN_10GBT_STAT_MSFLT 0x8000 /* Master/slave config fault */
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/* AN EEE Advertisement register. */
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#define MDIO_AN_EEE_ADV_100TX 0x0002 /* Advertise 100TX EEE cap */
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#define MDIO_AN_EEE_ADV_1000T 0x0004 /* Advertise 1000T EEE cap */
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/* LASI RX_ALARM control/status registers. */
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#define MDIO_PMA_LASI_RX_PHYXSLFLT 0x0001 /* PHY XS RX local fault */
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#define MDIO_PMA_LASI_RX_PCSLFLT 0x0008 /* PCS RX local fault */
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#define MDIO_PMA_LASI_RX_PMALFLT 0x0010 /* PMA/PMD RX local fault */
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#define MDIO_PMA_LASI_RX_OPTICPOWERFLT 0x0020 /* RX optical power fault */
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#define MDIO_PMA_LASI_RX_WISLFLT 0x0200 /* WIS local fault */
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/* LASI TX_ALARM control/status registers. */
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#define MDIO_PMA_LASI_TX_PHYXSLFLT 0x0001 /* PHY XS TX local fault */
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#define MDIO_PMA_LASI_TX_PCSLFLT 0x0008 /* PCS TX local fault */
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#define MDIO_PMA_LASI_TX_PMALFLT 0x0010 /* PMA/PMD TX local fault */
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#define MDIO_PMA_LASI_TX_LASERPOWERFLT 0x0080 /* Laser output power fault */
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#define MDIO_PMA_LASI_TX_LASERTEMPFLT 0x0100 /* Laser temperature fault */
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#define MDIO_PMA_LASI_TX_LASERBICURRFLT 0x0200 /* Laser bias current fault */
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/* LASI control/status registers. */
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#define MDIO_PMA_LASI_LSALARM 0x0001 /* LS_ALARM enable/status */
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#define MDIO_PMA_LASI_TXALARM 0x0002 /* TX_ALARM enable/status */
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#define MDIO_PMA_LASI_RXALARM 0x0004 /* RX_ALARM enable/status */
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/* Mapping between MDIO PRTAD/DEVAD and mii_ioctl_data::phy_id */
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#define MDIO_PHY_ID_C45 0x8000
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#define MDIO_PHY_ID_PRTAD 0x03e0
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#define MDIO_PHY_ID_DEVAD 0x001f
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#define MDIO_PHY_ID_C45_MASK \
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(MDIO_PHY_ID_C45 | MDIO_PHY_ID_PRTAD | MDIO_PHY_ID_DEVAD)
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#define MDIO_PRTAD_NONE (-1)
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#define MDIO_DEVAD_NONE (-1)
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#define MDIO_EMULATE_C22 4
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#endif /* __LINUX_MDIO_H__ */
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