xref: /titanic_51/usr/src/grub/grub-0.97/netboot/mii.h (revision 1b8adde7ba7d5e04395c141c5400dc2cffd7d809)

/*
 * 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
 */

/* 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_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               0x007f  /* Unused...                   */
#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               0x07c0  /* Unused...                   */
#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_10FULL        0x0040	/* Try for 10mbps full-duplex  */
#define ADVERTISE_100HALF       0x0080	/* Try for 100mbps half-duplex */
#define ADVERTISE_100FULL       0x0100	/* Try for 100mbps full-duplex */
#define ADVERTISE_100BASE4      0x0200  /* Try for 100mbps 4k packets  */
#define ADVERTISE_RESV          0x1c00  /* 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_10FULL              0x0040  /* Can do 10mbps full-duplex   */
#define LPA_100HALF             0x0080  /* Can do 100mbps half-duplex  */
#define LPA_100FULL             0x0100  /* Can do 100mbps full-duplex  */
#define LPA_100BASE4            0x0200  /* Can do 100mbps 4k packets   */
#define LPA_RESV                0x1c00  /* 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...                   */

/* N-way test register. */
#define NWAYTEST_RESV1          0x00ff  /* Unused...                   */
#define NWAYTEST_LOOPBACK       0x0100  /* Enable loopback for N-way   */
#define NWAYTEST_RESV2          0xfe00  /* Unused...                   */