drivers/mii.inc

   1 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
   2 ;;                                                                 ;;
   3 ;; Copyright (C) KolibriOS team 2010-2015. All rights reserved.    ;;
   4 ;; Distributed under terms of the GNU General Public License       ;;
   5 ;;                                                                 ;;
   6 ;;  mii.inc - Media Independent Interface routines for KolibriOS   ;;
   7 ;;                                                                 ;;
   8 ;;          GNU GENERAL PUBLIC LICENSE                             ;;
   9 ;;             Version 2, June 1991                                ;;
  10 ;;                                                                 ;;
  11 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
  12
  13
  14 ; Generic MII registers.
  15
  16         MII_BMCR                = 0x00          ; Basic mode control register
  17         MII_BMSR                = 0x01          ; Basic mode status register
  18         MII_PHYSID1             = 0x02          ; PHYS ID 1
  19         MII_PHYSID2             = 0x03          ; PHYS ID 2
  20
  21         ; Auto negotiation registers
  22         MII_ADVERTISE           = 0x04          ; Advertisement control reg
  23         MII_LPA                 = 0x05          ; Link partner ability reg
  24         MII_EXPANSION           = 0x06          ; Expansion register
  25
  26         MII_CTRL1000            = 0x09          ; 1000BASE-T control
  27         MII_STAT1000            = 0x0a          ; 1000BASE-T status
  28         MII_ESTATUS             = 0x0f          ; Extended Status
  29         MII_DCOUNTER            = 0x12          ; Disconnect counter
  30         MII_FCSCOUNTER          = 0x13          ; False carrier counter
  31         MII_NWAYTEST            = 0x14          ; N-way auto-neg test reg
  32         MII_RERRCOUNTER         = 0x15          ; Receive error counter
  33         MII_SREVISION           = 0x16          ; Silicon revision
  34         MII_RESV1               = 0x17          ; Reserved...
  35         MII_LBRERROR            = 0x18          ; Lpback, rx, bypass error
  36         MII_PHYADDR             = 0x19          ; PHY address
  37         MII_RESV2               = 0x1a          ; Reserved...
  38         MII_TPISTATUS           = 0x1b          ; TPI status for 10mbps
  39         MII_NCONFIG             = 0x1c          ; Network interface config
  40
  41 ; Basic mode control register.
  42
  43         BMCR_RESV               = 0x003f        ; Unused...
  44         BMCR_SPEED1000          = 0x0040        ; MSB of Speed (1000)
  45         BMCR_CTST               = 0x0080        ; Collision test
  46         BMCR_FULLDPLX           = 0x0100        ; Full duplex
  47         BMCR_ANRESTART          = 0x0200        ; Auto negotiation restart
  48         BMCR_ISOLATE            = 0x0400        ; Disconnect DP83840 from MII
  49         BMCR_PDOWN              = 0x0800        ; Powerdown the DP83840
  50         BMCR_ANENABLE           = 0x1000        ; Enable auto negotiation
  51         BMCR_SPEED100           = 0x2000        ; Select 100Mbps
  52         BMCR_LOOPBACK           = 0x4000        ; TXD loopback bits
  53         BMCR_RESET              = 0x8000        ; Reset the DP83840
  54
  55 ; Basic mode status register.
  56
  57         BMSR_ERCAP              = 0x0001        ; Ext-reg capability
  58         BMSR_JCD                = 0x0002        ; Jabber detected
  59         BMSR_LSTATUS            = 0x0004        ; Link status
  60         BMSR_ANEGCAPABLE        = 0x0008        ; Able to do auto-negotiation
  61         BMSR_RFAULT             = 0x0010        ; Remote fault detected
  62         BMSR_ANEGCOMPLETE       = 0x0020        ; Auto-negotiation complete
  63         BMSR_RESV               = 0x00c0        ; Unused...
  64         BMSR_ESTATEN            = 0x0100        ; Extended Status in R15
  65         BMSR_100HALF2           = 0x0200        ; Can do 100BASE-T2 HDX
  66         BMSR_100FULL2           = 0x0400        ; Can do 100BASE-T2 FDX
  67         BMSR_10HALF             = 0x0800        ; Can do 10mbps, half-duplex
  68         BMSR_10FULL             = 0x1000        ; Can do 10mbps, full-duplex
  69         BMSR_100HALF            = 0x2000        ; Can do 100mbps, half-duplex
  70         BMSR_100FULL            = 0x4000        ; Can do 100mbps, full-duplex
  71         BMSR_100BASE4           = 0x8000        ; Can do 100mbps, 4k packets
  72
  73 ; Advertisement control register.
  74
  75         ADVERTISE_SLCT          = 0x001f        ; Selector bits
  76         ADVERTISE_CSMA          = 0x0001        ; Only selector supported
  77         ADVERTISE_10HALF        = 0x0020        ; Try for 10mbps half-duplex
  78         ADVERTISE_1000XFULL     = 0x0020        ; Try for 1000BASE-X full-duplex
  79         ADVERTISE_10FULL        = 0x0040        ; Try for 10mbps full-duplex
  80         ADVERTISE_1000XHALF     = 0x0040        ; Try for 1000BASE-X half-duplex
  81         ADVERTISE_100HALF       = 0x0080        ; Try for 100mbps half-duplex
  82         ADVERTISE_1000XPAUSE    = 0x0080        ; Try for 1000BASE-X pause
  83         ADVERTISE_100FULL       = 0x0100        ; Try for 100mbps full-duplex
  84         ADVERTISE_1000XPSE_ASYM = 0x0100        ; Try for 1000BASE-X asym pause
  85         ADVERTISE_100BASE4      = 0x0200        ; Try for 100mbps 4k packets
  86         ADVERTISE_PAUSE_CAP     = 0x0400        ; Try for pause
  87         ADVERTISE_PAUSE_ASYM    = 0x0800        ; Try for asymetric pause
  88         ADVERTISE_RESV          = 0x1000        ; Unused...
  89         ADVERTISE_RFAULT        = 0x2000        ; Say we can detect faults
  90         ADVERTISE_LPACK         = 0x4000        ; Ack link partners response
  91         ADVERTISE_NPAGE         = 0x8000        ; Next page bit
  92
  93         ADVERTISE_FULL          = (ADVERTISE_100FULL or ADVERTISE_10FULL or ADVERTISE_CSMA)
  94         ADVERTISE_ALL           = (ADVERTISE_10HALF or ADVERTISE_10FULL or ADVERTISE_100HALF or ADVERTISE_100FULL)
  95
  96 ; Link partner ability register.
  97
  98         LPA_SLCT                = 0x001f        ; Same as advertise selector
  99         LPA_10HALF              = 0x0020        ; Can do 10mbps half-duplex
 100         LPA_1000XFULL           = 0x0020        ; Can do 1000BASE-X full-duplex
 101         LPA_10FULL              = 0x0040        ; Can do 10mbps full-duplex
 102         LPA_1000XHALF           = 0x0040        ; Can do 1000BASE-X half-duplex
 103         LPA_100HALF             = 0x0080        ; Can do 100mbps half-duplex
 104         LPA_1000XPAUSE          = 0x0080        ; Can do 1000BASE-X pause
 105         LPA_100FULL             = 0x0100        ; Can do 100mbps full-duplex
 106         LPA_1000XPAUSE_ASYM     = 0x0100        ; Can do 1000BASE-X pause asym
 107         LPA_100BASE4            = 0x0200        ; Can do 100mbps 4k packets
 108         LPA_PAUSE_CAP           = 0x0400        ; Can pause
 109         LPA_PAUSE_ASYM          = 0x0800        ; Can pause asymetrically
 110         LPA_RESV                = 0x1000        ; Unused...
 111         LPA_RFAULT              = 0x2000        ; Link partner faulted
 112         LPA_LPACK               = 0x4000        ; Link partner acked us
 113         LPA_NPAGE               = 0x8000        ; Next page bit
 114
 115         LPA_DUPLEX              = (LPA_10FULL or LPA_100FULL)
 116         LPA_100                 = (LPA_100FULL or LPA_100HALF or LPA_100BASE4)
 117
 118 ; Expansion register for auto-negotiation.
 119
 120         EXPANSION_NWAY          = 0x0001        ; Can do N-way auto-nego
 121         EXPANSION_LCWP          = 0x0002        ; Got new RX page code word
 122         EXPANSION_ENABLENPAGE   = 0x0004        ; This enables npage words
 123         EXPANSION_NPCAPABLE     = 0x0008        ; Link partner supports npage
 124         EXPANSION_MFAULTS       = 0x0010        ; Multiple faults detected
 125         EXPANSION_RESV          = 0xffe0        ; Unused...
 126
 127         ESTATUS_1000_TFULL      = 0x2000        ; Can do 1000BT Full
 128         ESTATUS_1000_THALF      = 0x1000        ; Can do 1000BT Half
 129
 130 ; N-way test register.
 131
 132         NWAYTEST_RESV1          = 0x00ff        ; Unused...
 133         NWAYTEST_LOOPBACK       = 0x0100        ; Enable loopback for N-way
 134         NWAYTEST_RESV2          = 0xfe00        ; Unused...
 135
 136 ; 1000BASE-T Control register
 137
 138         ADVERTISE_1000FULL      = 0x0200        ; Advertise 1000BASE-T full duplex
 139         ADVERTISE_1000HALF      = 0x0100        ; Advertise 1000BASE-T half duplex
 140
 141 ; 1000BASE-T Status register
 142
 143         LPA_1000LOCALRXOK       = 0x2000        ; Link partner local receiver status
 144         LPA_1000REMRXOK         = 0x1000        ; Link partner remote receiver status
 145         LPA_1000FULL            = 0x0800        ; Link partner 1000BASE-T full duplex
 146         LPA_1000HALF            = 0x0400        ; Link partner 1000BASE-T half duplex
 147
 148 ; Flow control flags
 149
 150         FLOW_CTRL_TX            = 0x01
 151         FLOW_CTRL_RX            = 0x02
 152
 153
 154
 155 if used mii_link_ok
 156
 157 align 4
 158 mii_link_ok:
 159
 160         DEBUGF  1, "mii_link_ok\n"
 161
 162 ; First do a dummy read to latch some MII phys
 163
 164         mov     ecx, MII_BMSR
 165         call    mdio_read
 166
 167         mov     ecx, MII_BMSR
 168         call    mdio_read
 169
 170         and     ax, BMSR_LSTATUS
 171
 172         DEBUGF  1, "link status=0x%x\n", ax
 173
 174         ret
 175
 176 end if