; Generic MII registers. MII_BMCR = 0x00 ; Basic mode control register MII_BMSR = 0x01 ; Basic mode status register MII_PHYSID1 = 0x02 ; PHYS ID 1 MII_PHYSID2 = 0x03 ; PHYS ID 2 MII_ADVERTISE = 0x04 ; Advertisement control reg MII_LPA = 0x05 ; Link partner ability reg MII_EXPANSION = 0x06 ; Expansion register MII_CTRL1000 = 0x09 ; 1000BASE-T control MII_STAT1000 = 0x0a ; 1000BASE-T status MII_ESTATUS = 0x0f ; Extended Status MII_DCOUNTER = 0x12 ; Disconnect counter MII_FCSCOUNTER = 0x13 ; False carrier counter MII_NWAYTEST = 0x14 ; N-way auto-neg test reg MII_RERRCOUNTER = 0x15 ; Receive error counter MII_SREVISION = 0x16 ; Silicon revision MII_RESV1 = 0x17 ; Reserved... MII_LBRERROR = 0x18 ; Lpback, rx, bypass error MII_PHYADDR = 0x19 ; PHY address MII_RESV2 = 0x1a ; Reserved... MII_TPISTATUS = 0x1b ; TPI status for 10mbps MII_NCONFIG = 0x1c ; Network interface config ; Basic mode control register. BMCR_RESV = 0x003f ; Unused... BMCR_SPEED1000 = 0x0040 ; MSB of Speed (1000) BMCR_CTST = 0x0080 ; Collision test BMCR_FULLDPLX = 0x0100 ; Full duplex BMCR_ANRESTART = 0x0200 ; Auto negotiation restart BMCR_ISOLATE = 0x0400 ; Disconnect DP83840 from MII BMCR_PDOWN = 0x0800 ; Powerdown the DP83840 BMCR_ANENABLE = 0x1000 ; Enable auto negotiation BMCR_SPEED100 = 0x2000 ; Select 100Mbps BMCR_LOOPBACK = 0x4000 ; TXD loopback bits BMCR_RESET = 0x8000 ; Reset the DP83840 ; Basic mode status register. BMSR_ERCAP = 0x0001 ; Ext-reg capability BMSR_JCD = 0x0002 ; Jabber detected BMSR_LSTATUS = 0x0004 ; Link status BMSR_ANEGCAPABLE = 0x0008 ; Able to do auto-negotiation BMSR_RFAULT = 0x0010 ; Remote fault detected BMSR_ANEGCOMPLETE = 0x0020 ; Auto-negotiation complete BMSR_RESV = 0x00c0 ; Unused... BMSR_ESTATEN = 0x0100 ; Extended Status in R15 BMSR_100HALF2 = 0x0200 ; Can do 100BASE-T2 HDX BMSR_100FULL2 = 0x0400 ; Can do 100BASE-T2 FDX BMSR_10HALF = 0x0800 ; Can do 10mbps, half-duplex BMSR_10FULL = 0x1000 ; Can do 10mbps, full-duplex BMSR_100HALF = 0x2000 ; Can do 100mbps, half-duplex BMSR_100FULL = 0x4000 ; Can do 100mbps, full-duplex BMSR_100BASE4 = 0x8000 ; Can do 100mbps, 4k packets ; Advertisement control register. ADVERTISE_SLCT = 0x001f ; Selector bits ADVERTISE_CSMA = 0x0001 ; Only selector supported ADVERTISE_10HALF = 0x0020 ; Try for 10mbps half-duplex ADVERTISE_1000XFULL = 0x0020 ; Try for 1000BASE-X full-duplex ADVERTISE_10FULL = 0x0040 ; Try for 10mbps full-duplex ADVERTISE_1000XHALF = 0x0040 ; Try for 1000BASE-X half-duplex ADVERTISE_100HALF = 0x0080 ; Try for 100mbps half-duplex ADVERTISE_1000XPAUSE = 0x0080 ; Try for 1000BASE-X pause ADVERTISE_100FULL = 0x0100 ; Try for 100mbps full-duplex ADVERTISE_1000XPSE_ASYM = 0x0100 ; Try for 1000BASE-X asym pause ADVERTISE_100BASE4 = 0x0200 ; Try for 100mbps 4k packets ADVERTISE_PAUSE_CAP = 0x0400 ; Try for pause ADVERTISE_PAUSE_ASYM = 0x0800 ; Try for asymetric pause ADVERTISE_RESV = 0x1000 ; Unused... ADVERTISE_RFAULT = 0x2000 ; Say we can detect faults ADVERTISE_LPACK = 0x4000 ; Ack link partners response ADVERTISE_NPAGE = 0x8000 ; Next page bit ADVERTISE_FULL = (ADVERTISE_100FULL or ADVERTISE_10FULL or ADVERTISE_CSMA) ADVERTISE_ALL = (ADVERTISE_10HALF or ADVERTISE_10FULL or ADVERTISE_100HALF or ADVERTISE_100FULL) ; Link partner ability register. LPA_SLCT = 0x001f ; Same as advertise selector LPA_10HALF = 0x0020 ; Can do 10mbps half-duplex LPA_1000XFULL = 0x0020 ; Can do 1000BASE-X full-duplex LPA_10FULL = 0x0040 ; Can do 10mbps full-duplex LPA_1000XHALF = 0x0040 ; Can do 1000BASE-X half-duplex LPA_100HALF = 0x0080 ; Can do 100mbps half-duplex LPA_1000XPAUSE = 0x0080 ; Can do 1000BASE-X pause LPA_100FULL = 0x0100 ; Can do 100mbps full-duplex LPA_1000XPAUSE_ASYM = 0x0100 ; Can do 1000BASE-X pause asym LPA_100BASE4 = 0x0200 ; Can do 100mbps 4k packets LPA_PAUSE_CAP = 0x0400 ; Can pause LPA_PAUSE_ASYM = 0x0800 ; Can pause asymetrically LPA_RESV = 0x1000 ; Unused... LPA_RFAULT = 0x2000 ; Link partner faulted LPA_LPACK = 0x4000 ; Link partner acked us LPA_NPAGE = 0x8000 ; Next page bit LPA_DUPLEX = (LPA_10FULL or LPA_100FULL) LPA_100 = (LPA_100FULL or LPA_100HALF or LPA_100BASE4) ; Expansion register for auto-negotiation. EXPANSION_NWAY = 0x0001 ; Can do N-way auto-nego EXPANSION_LCWP = 0x0002 ; Got new RX page code word EXPANSION_ENABLENPAGE = 0x0004 ; This enables npage words EXPANSION_NPCAPABLE = 0x0008 ; Link partner supports npage EXPANSION_MFAULTS = 0x0010 ; Multiple faults detected EXPANSION_RESV = 0xffe0 ; Unused... ESTATUS_1000_TFULL = 0x2000 ; Can do 1000BT Full ESTATUS_1000_THALF = 0x1000 ; Can do 1000BT Half ; N-way test register. NWAYTEST_RESV1 = 0x00ff ; Unused... NWAYTEST_LOOPBACK = 0x0100 ; Enable loopback for N-way NWAYTEST_RESV2 = 0xfe00 ; Unused... ; 1000BASE-T Control register ADVERTISE_1000FULL = 0x0200 ; Advertise 1000BASE-T full duplex ADVERTISE_1000HALF = 0x0100 ; Advertise 1000BASE-T half duplex ; 1000BASE-T Status register LPA_1000LOCALRXOK = 0x2000 ; Link partner local receiver status LPA_1000REMRXOK = 0x1000 ; Link partner remote receiver status LPA_1000FULL = 0x0800 ; Link partner 1000BASE-T full duplex LPA_1000HALF = 0x0400 ; Link partner 1000BASE-T half duplex ; Flow control flags FLOW_CTRL_TX = 0x01 FLOW_CTRL_RX = 0x02 if defined mdio_read align 4 mii_link_ok: DEBUGF 1, "mii_link_ok\n" ; First do a dummy read to latch some MII phys mov ecx, MII_BMSR call mdio_read mov ecx, MII_BMSR call mdio_read DEBUGF 1, "eax=0x%x\n", eax and eax, BMSR_LSTATUS DEBUGF 1, "link status=0x%x\n", eax ret end if