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Rev Author Line No. Line
3545 hidnplayr 1
; Generic MII registers.
2
 
3
        MII_BMCR                = 0x00          ; Basic mode control register
4
        MII_BMSR                = 0x01          ; Basic mode status register
5
        MII_PHYSID1             = 0x02          ; PHYS ID 1
6
        MII_PHYSID2             = 0x03          ; PHYS ID 2
7
        MII_ADVERTISE           = 0x04          ; Advertisement control reg
8
        MII_LPA                 = 0x05          ; Link partner ability reg
9
        MII_EXPANSION           = 0x06          ; Expansion register
10
        MII_CTRL1000            = 0x09          ; 1000BASE-T control
11
        MII_STAT1000            = 0x0a          ; 1000BASE-T status
12
        MII_ESTATUS             = 0x0f          ; Extended Status
13
        MII_DCOUNTER            = 0x12          ; Disconnect counter
14
        MII_FCSCOUNTER          = 0x13          ; False carrier counter
15
        MII_NWAYTEST            = 0x14          ; N-way auto-neg test reg
16
        MII_RERRCOUNTER         = 0x15          ; Receive error counter
17
        MII_SREVISION           = 0x16          ; Silicon revision
18
        MII_RESV1               = 0x17          ; Reserved...
19
        MII_LBRERROR            = 0x18          ; Lpback, rx, bypass error
20
        MII_PHYADDR             = 0x19          ; PHY address
21
        MII_RESV2               = 0x1a          ; Reserved...
22
        MII_TPISTATUS           = 0x1b          ; TPI status for 10mbps
23
        MII_NCONFIG             = 0x1c          ; Network interface config
24
 
25
; Basic mode control register.
26
 
27
        BMCR_RESV               = 0x003f        ; Unused...
28
        BMCR_SPEED1000          = 0x0040        ; MSB of Speed (1000)
29
        BMCR_CTST               = 0x0080        ; Collision test
30
        BMCR_FULLDPLX           = 0x0100        ; Full duplex
31
        BMCR_ANRESTART          = 0x0200        ; Auto negotiation restart
32
        BMCR_ISOLATE            = 0x0400        ; Disconnect DP83840 from MII
33
        BMCR_PDOWN              = 0x0800        ; Powerdown the DP83840
34
        BMCR_ANENABLE           = 0x1000        ; Enable auto negotiation
35
        BMCR_SPEED100           = 0x2000        ; Select 100Mbps
36
        BMCR_LOOPBACK           = 0x4000        ; TXD loopback bits
37
        BMCR_RESET              = 0x8000        ; Reset the DP83840
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39
; Basic mode status register.
40
 
41
        BMSR_ERCAP              = 0x0001        ; Ext-reg capability
42
        BMSR_JCD                = 0x0002        ; Jabber detected
43
        BMSR_LSTATUS            = 0x0004        ; Link status
44
        BMSR_ANEGCAPABLE        = 0x0008        ; Able to do auto-negotiation
45
        BMSR_RFAULT             = 0x0010        ; Remote fault detected
46
        BMSR_ANEGCOMPLETE       = 0x0020        ; Auto-negotiation complete
47
        BMSR_RESV               = 0x00c0        ; Unused...
48
        BMSR_ESTATEN            = 0x0100        ; Extended Status in R15
49
        BMSR_100HALF2           = 0x0200        ; Can do 100BASE-T2 HDX
50
        BMSR_100FULL2           = 0x0400        ; Can do 100BASE-T2 FDX
51
        BMSR_10HALF             = 0x0800        ; Can do 10mbps, half-duplex
52
        BMSR_10FULL             = 0x1000        ; Can do 10mbps, full-duplex
53
        BMSR_100HALF            = 0x2000        ; Can do 100mbps, half-duplex
54
        BMSR_100FULL            = 0x4000        ; Can do 100mbps, full-duplex
55
        BMSR_100BASE4           = 0x8000        ; Can do 100mbps, 4k packets
56
 
57
; Advertisement control register.
58
 
59
        ADVERTISE_SLCT          = 0x001f        ; Selector bits
60
        ADVERTISE_CSMA          = 0x0001        ; Only selector supported
61
        ADVERTISE_10HALF        = 0x0020        ; Try for 10mbps half-duplex
62
        ADVERTISE_1000XFULL     = 0x0020        ; Try for 1000BASE-X full-duplex
63
        ADVERTISE_10FULL        = 0x0040        ; Try for 10mbps full-duplex
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        ADVERTISE_1000XHALF     = 0x0040        ; Try for 1000BASE-X half-duplex
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        ADVERTISE_100HALF       = 0x0080        ; Try for 100mbps half-duplex
66
        ADVERTISE_1000XPAUSE    = 0x0080        ; Try for 1000BASE-X pause
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        ADVERTISE_100FULL       = 0x0100        ; Try for 100mbps full-duplex
68
        ADVERTISE_1000XPSE_ASYM = 0x0100        ; Try for 1000BASE-X asym pause
69
        ADVERTISE_100BASE4      = 0x0200        ; Try for 100mbps 4k packets
70
        ADVERTISE_PAUSE_CAP     = 0x0400        ; Try for pause
71
        ADVERTISE_PAUSE_ASYM    = 0x0800        ; Try for asymetric pause
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        ADVERTISE_RESV          = 0x1000        ; Unused...
73
        ADVERTISE_RFAULT        = 0x2000        ; Say we can detect faults
74
        ADVERTISE_LPACK         = 0x4000        ; Ack link partners response
75
        ADVERTISE_NPAGE         = 0x8000        ; Next page bit
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        ADVERTISE_FULL          = (ADVERTISE_100FULL or ADVERTISE_10FULL or ADVERTISE_CSMA)
78
        ADVERTISE_ALL           = (ADVERTISE_10HALF or ADVERTISE_10FULL or ADVERTISE_100HALF or ADVERTISE_100FULL)
79
 
80
; Link partner ability register.
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82
        LPA_SLCT                = 0x001f        ; Same as advertise selector
83
        LPA_10HALF              = 0x0020        ; Can do 10mbps half-duplex
84
        LPA_1000XFULL           = 0x0020        ; Can do 1000BASE-X full-duplex
85
        LPA_10FULL              = 0x0040        ; Can do 10mbps full-duplex
86
        LPA_1000XHALF           = 0x0040        ; Can do 1000BASE-X half-duplex
87
        LPA_100HALF             = 0x0080        ; Can do 100mbps half-duplex
88
        LPA_1000XPAUSE          = 0x0080        ; Can do 1000BASE-X pause
89
        LPA_100FULL             = 0x0100        ; Can do 100mbps full-duplex
90
        LPA_1000XPAUSE_ASYM     = 0x0100        ; Can do 1000BASE-X pause asym
91
        LPA_100BASE4            = 0x0200        ; Can do 100mbps 4k packets
92
        LPA_PAUSE_CAP           = 0x0400        ; Can pause
93
        LPA_PAUSE_ASYM          = 0x0800        ; Can pause asymetrically
94
        LPA_RESV                = 0x1000        ; Unused...
95
        LPA_RFAULT              = 0x2000        ; Link partner faulted
96
        LPA_LPACK               = 0x4000        ; Link partner acked us
97
        LPA_NPAGE               = 0x8000        ; Next page bit
98
 
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        LPA_DUPLEX              = (LPA_10FULL or LPA_100FULL)
100
        LPA_100                 = (LPA_100FULL or LPA_100HALF or LPA_100BASE4)
101
 
102
; Expansion register for auto-negotiation.
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104
        EXPANSION_NWAY          = 0x0001        ; Can do N-way auto-nego
105
        EXPANSION_LCWP          = 0x0002        ; Got new RX page code word
106
        EXPANSION_ENABLENPAGE   = 0x0004        ; This enables npage words
107
        EXPANSION_NPCAPABLE     = 0x0008        ; Link partner supports npage
108
        EXPANSION_MFAULTS       = 0x0010        ; Multiple faults detected
109
        EXPANSION_RESV          = 0xffe0        ; Unused...
110
 
111
        ESTATUS_1000_TFULL      = 0x2000        ; Can do 1000BT Full
112
        ESTATUS_1000_THALF      = 0x1000        ; Can do 1000BT Half
113
 
114
; N-way test register.
115
 
116
        NWAYTEST_RESV1          = 0x00ff        ; Unused...
117
        NWAYTEST_LOOPBACK       = 0x0100        ; Enable loopback for N-way
118
        NWAYTEST_RESV2          = 0xfe00        ; Unused...
119
 
120
; 1000BASE-T Control register
121
 
122
        ADVERTISE_1000FULL      = 0x0200        ; Advertise 1000BASE-T full duplex
123
        ADVERTISE_1000HALF      = 0x0100        ; Advertise 1000BASE-T half duplex
124
 
125
; 1000BASE-T Status register
126
 
127
        LPA_1000LOCALRXOK       = 0x2000        ; Link partner local receiver status
128
        LPA_1000REMRXOK         = 0x1000        ; Link partner remote receiver status
129
        LPA_1000FULL            = 0x0800        ; Link partner 1000BASE-T full duplex
130
        LPA_1000HALF            = 0x0400        ; Link partner 1000BASE-T half duplex
131
 
132
; Flow control flags
133
 
134
        FLOW_CTRL_TX            = 0x01
135
        FLOW_CTRL_RX            = 0x02
136
 
137
 
138
 
139
if used mii_link_ok
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141
align 4
142
mii_link_ok:
143
 
144
        DEBUGF  1, "mii_link_ok\n"
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146
; First do a dummy read to latch some MII phys
147
 
148
        mov     ecx, MII_BMSR
149
        call    mdio_read
150
 
151
        mov     ecx, MII_BMSR
152
        call    mdio_read
153
 
154
        and     ax, BMSR_LSTATUS
155
 
156
        DEBUGF  1, "link status=0x%x\n", ax
157
 
158
        ret
159
 
160
end if