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Diffstat (limited to 'gpxe/src/include/mii.h')
| -rw-r--r-- | gpxe/src/include/mii.h | 219 |
1 files changed, 0 insertions, 219 deletions
diff --git a/gpxe/src/include/mii.h b/gpxe/src/include/mii.h deleted file mode 100644 index 3b735d99..00000000 --- a/gpxe/src/include/mii.h +++ /dev/null @@ -1,219 +0,0 @@ -/* - * linux/mii.h: definitions for MII-compatible transceivers - * Originally drivers/net/sunhme.h. - * - * Copyright (C) 1996, 1999, 2001 David S. Miller (davem@redhat.com) - * - * Copied Form Linux 2.4.25 an unneeded items removed by: - * Timothy Legge (timlegge at etherboot dot org) - * - * 03/26/2004 - */ - -FILE_LICENCE ( GPL2_ONLY ); - -#ifndef _MII_H_ -#define _MII_H_ - -/* Generic MII registers. */ - -#define MII_BMCR 0x00 /* Basic mode control register */ -#define MII_BMSR 0x01 /* Basic mode status register */ -#define MII_PHYSID1 0x02 /* PHYS ID 1 */ -#define MII_PHYSID2 0x03 /* PHYS ID 2 */ -#define MII_ADVERTISE 0x04 /* Advertisement control reg */ -#define MII_LPA 0x05 /* Link partner ability reg */ -#define MII_EXPANSION 0x06 /* Expansion register */ -#define MII_CTRL1000 0x09 /* 1000BASE-T control */ -#define MII_STAT1000 0x0a /* 1000BASE-T status */ -#define MII_ESTATUS 0x0f /* Extended Status */ -#define MII_DCOUNTER 0x12 /* Disconnect counter */ -#define MII_FCSCOUNTER 0x13 /* False carrier counter */ -#define MII_NWAYTEST 0x14 /* N-way auto-neg test reg */ -#define MII_RERRCOUNTER 0x15 /* Receive error counter */ -#define MII_SREVISION 0x16 /* Silicon revision */ -#define MII_RESV1 0x17 /* Reserved... */ -#define MII_LBRERROR 0x18 /* Lpback, rx, bypass error */ -#define MII_PHYADDR 0x19 /* PHY address */ -#define MII_RESV2 0x1a /* Reserved... */ -#define MII_TPISTATUS 0x1b /* TPI status for 10mbps */ -#define MII_NCONFIG 0x1c /* Network interface config */ - -/* Basic mode control register. */ -#define BMCR_RESV 0x003f /* Unused... */ -#define BMCR_SPEED1000 0x0040 /* MSB of Speed (1000) */ -#define BMCR_CTST 0x0080 /* Collision test */ -#define BMCR_FULLDPLX 0x0100 /* Full duplex */ -#define BMCR_ANRESTART 0x0200 /* Auto negotiation restart */ -#define BMCR_ISOLATE 0x0400 /* Disconnect DP83840 from MII */ -#define BMCR_PDOWN 0x0800 /* Powerdown the DP83840 */ -#define BMCR_ANENABLE 0x1000 /* Enable auto negotiation */ -#define BMCR_SPEED100 0x2000 /* Select 100Mbps */ -#define BMCR_LOOPBACK 0x4000 /* TXD loopback bits */ -#define BMCR_RESET 0x8000 /* Reset the DP83840 */ - -/* Basic mode status register. */ -#define BMSR_ERCAP 0x0001 /* Ext-reg capability */ -#define BMSR_JCD 0x0002 /* Jabber detected */ -#define BMSR_LSTATUS 0x0004 /* Link status */ -#define BMSR_ANEGCAPABLE 0x0008 /* Able to do auto-negotiation */ -#define BMSR_RFAULT 0x0010 /* Remote fault detected */ -#define BMSR_ANEGCOMPLETE 0x0020 /* Auto-negotiation complete */ -#define BMSR_RESV 0x00c0 /* Unused... */ -#define BMSR_ESTATEN 0x0100 /* Extended Status in R15 */ -#define BMSR_100HALF2 0x0200 /* Can do 100BASE-T2 HDX */ -#define BMSR_100FULL2 0x0400 /* Can do 100BASE-T2 FDX */ -#define BMSR_10HALF 0x0800 /* Can do 10mbps, half-duplex */ -#define BMSR_10FULL 0x1000 /* Can do 10mbps, full-duplex */ -#define BMSR_100HALF 0x2000 /* Can do 100mbps, half-duplex */ -#define BMSR_100FULL 0x4000 /* Can do 100mbps, full-duplex */ -#define BMSR_100BASE4 0x8000 /* Can do 100mbps, 4k packets */ - -/* Advertisement control register. */ -#define ADVERTISE_SLCT 0x001f /* Selector bits */ -#define ADVERTISE_CSMA 0x0001 /* Only selector supported */ -#define ADVERTISE_10HALF 0x0020 /* Try for 10mbps half-duplex */ -#define ADVERTISE_1000XFULL 0x0020 /* Try for 1000BASE-X full-duplex */ -#define ADVERTISE_10FULL 0x0040 /* Try for 10mbps full-duplex */ -#define ADVERTISE_1000XHALF 0x0040 /* Try for 1000BASE-X half-duplex */ -#define ADVERTISE_100HALF 0x0080 /* Try for 100mbps half-duplex */ -#define ADVERTISE_1000XPAUSE 0x0080 /* Try for 1000BASE-X pause */ -#define ADVERTISE_100FULL 0x0100 /* Try for 100mbps full-duplex */ -#define ADVERTISE_1000XPSE_ASYM 0x0100 /* Try for 1000BASE-X asym pause */ -#define ADVERTISE_100BASE4 0x0200 /* Try for 100mbps 4k packets */ -#define ADVERTISE_PAUSE_CAP 0x0400 /* Try for pause */ -#define ADVERTISE_PAUSE_ASYM 0x0800 /* Try for asymetric pause */ -#define ADVERTISE_RESV 0x1000 /* Unused... */ -#define ADVERTISE_RFAULT 0x2000 /* Say we can detect faults */ -#define ADVERTISE_LPACK 0x4000 /* Ack link partners response */ -#define ADVERTISE_NPAGE 0x8000 /* Next page bit */ - -#define ADVERTISE_FULL (ADVERTISE_100FULL | ADVERTISE_10FULL | \ - ADVERTISE_CSMA) -#define ADVERTISE_ALL (ADVERTISE_10HALF | ADVERTISE_10FULL | \ - ADVERTISE_100HALF | ADVERTISE_100FULL) - -/* Link partner ability register. */ -#define LPA_SLCT 0x001f /* Same as advertise selector */ -#define LPA_10HALF 0x0020 /* Can do 10mbps half-duplex */ -#define LPA_1000XFULL 0x0020 /* Can do 1000BASE-X full-duplex */ -#define LPA_10FULL 0x0040 /* Can do 10mbps full-duplex */ -#define LPA_1000XHALF 0x0040 /* Can do 1000BASE-X half-duplex */ -#define LPA_100HALF 0x0080 /* Can do 100mbps half-duplex */ -#define LPA_1000XPAUSE 0x0080 /* Can do 1000BASE-X pause */ -#define LPA_100FULL 0x0100 /* Can do 100mbps full-duplex */ -#define LPA_1000XPAUSE_ASYM 0x0100 /* Can do 1000BASE-X pause asym*/ -#define LPA_100BASE4 0x0200 /* Can do 100mbps 4k packets */ -#define LPA_PAUSE_CAP 0x0400 /* Can pause */ -#define LPA_PAUSE_ASYM 0x0800 /* Can pause asymetrically */ -#define LPA_RESV 0x1000 /* Unused... */ -#define LPA_RFAULT 0x2000 /* Link partner faulted */ -#define LPA_LPACK 0x4000 /* Link partner acked us */ -#define LPA_NPAGE 0x8000 /* Next page bit */ - -#define LPA_DUPLEX (LPA_10FULL | LPA_100FULL) -#define LPA_100 (LPA_100FULL | LPA_100HALF | LPA_100BASE4) - -/* Expansion register for auto-negotiation. */ -#define EXPANSION_NWAY 0x0001 /* Can do N-way auto-nego */ -#define EXPANSION_LCWP 0x0002 /* Got new RX page code word */ -#define EXPANSION_ENABLENPAGE 0x0004 /* This enables npage words */ -#define EXPANSION_NPCAPABLE 0x0008 /* Link partner supports npage */ -#define EXPANSION_MFAULTS 0x0010 /* Multiple faults detected */ -#define EXPANSION_RESV 0xffe0 /* Unused... */ - -#define ESTATUS_1000_TFULL 0x2000 /* Can do 1000BT Full */ -#define ESTATUS_1000_THALF 0x1000 /* Can do 1000BT Half */ - -/* N-way test register. */ -#define NWAYTEST_RESV1 0x00ff /* Unused... */ -#define NWAYTEST_LOOPBACK 0x0100 /* Enable loopback for N-way */ -#define NWAYTEST_RESV2 0xfe00 /* Unused... */ - -/* 1000BASE-T Control register */ -#define ADVERTISE_1000FULL 0x0200 /* Advertise 1000BASE-T full duplex */ -#define ADVERTISE_1000HALF 0x0100 /* Advertise 1000BASE-T half duplex */ - -/* 1000BASE-T Status register */ -#define LPA_1000LOCALRXOK 0x2000 /* Link partner local receiver status */ -#define LPA_1000REMRXOK 0x1000 /* Link partner remote receiver status */ -#define LPA_1000FULL 0x0800 /* Link partner 1000BASE-T full duplex */ -#define LPA_1000HALF 0x0400 /* Link partner 1000BASE-T half duplex */ - -#include <gpxe/netdevice.h> - -struct mii_if_info { - int phy_id; - int advertising; - int phy_id_mask; - int reg_num_mask; - - unsigned int full_duplex : 1; /* is full duplex? */ - unsigned int force_media : 1; /* is autoneg. disabled? */ - unsigned int supports_gmii : 1; /* are GMII registers supported? */ - - struct net_device *dev; - int (*mdio_read) (struct net_device *dev, int phy_id, int location); - void (*mdio_write) (struct net_device *dev, int phy_id, int location, int val); -}; - - -extern int mii_link_ok (struct mii_if_info *mii); -extern void mii_check_link (struct mii_if_info *mii); -extern unsigned int mii_check_media (struct mii_if_info *mii, - unsigned int ok_to_print, - unsigned int init_media); - - -/** - * mii_nway_result - * @negotiated: value of MII ANAR and'd with ANLPAR - * - * Given a set of MII abilities, check each bit and returns the - * currently supported media, in the priority order defined by - * IEEE 802.3u. We use LPA_xxx constants but note this is not the - * value of LPA solely, as described above. - * - * The one exception to IEEE 802.3u is that 100baseT4 is placed - * between 100T-full and 100T-half. If your phy does not support - * 100T4 this is fine. If your phy places 100T4 elsewhere in the - * priority order, you will need to roll your own function. - */ -static inline unsigned int mii_nway_result (unsigned int negotiated) -{ - unsigned int ret; - - if (negotiated & LPA_100FULL) - ret = LPA_100FULL; - else if (negotiated & LPA_100BASE4) - ret = LPA_100BASE4; - else if (negotiated & LPA_100HALF) - ret = LPA_100HALF; - else if (negotiated & LPA_10FULL) - ret = LPA_10FULL; - else - ret = LPA_10HALF; - - return ret; -} - -/** - * mii_duplex - * @duplex_lock: Non-zero if duplex is locked at full - * @negotiated: value of MII ANAR and'd with ANLPAR - * - * A small helper function for a common case. Returns one - * if the media is operating or locked at full duplex, and - * returns zero otherwise. - */ -static inline unsigned int mii_duplex (unsigned int duplex_lock, - unsigned int negotiated) -{ - if (duplex_lock) - return 1; - if (mii_nway_result(negotiated) & LPA_DUPLEX) - return 1; - return 0; -} - -#endif |