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4467 | hidnplayr | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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3 | ;; Copyright (C) KolibriOS team 2010-2014. All rights reserved. ;; |
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4 | ;; Distributed under terms of the GNU General Public License ;; |
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5 | ;; ;; |
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6 | ;; mii.inc - Media Independent Interface routines for KolibriOS ;; |
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7 | ;; ;; |
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8 | ;; GNU GENERAL PUBLIC LICENSE ;; |
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9 | ;; Version 2, June 1991 ;; |
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10 | ;; ;; |
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11 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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12 | |||
13 | |||
3545 | hidnplayr | 14 | ; Generic MII registers. |
15 | |||
16 | MII_BMCR = 0x00 ; Basic mode control register |
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17 | MII_BMSR = 0x01 ; Basic mode status register |
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18 | MII_PHYSID1 = 0x02 ; PHYS ID 1 |
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19 | MII_PHYSID2 = 0x03 ; PHYS ID 2 |
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5073 | hidnplayr | 20 | |
21 | ; Auto negotiation registers |
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3545 | hidnplayr | 22 | MII_ADVERTISE = 0x04 ; Advertisement control reg |
23 | MII_LPA = 0x05 ; Link partner ability reg |
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24 | MII_EXPANSION = 0x06 ; Expansion register |
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5073 | hidnplayr | 25 | |
3545 | hidnplayr | 26 | MII_CTRL1000 = 0x09 ; 1000BASE-T control |
27 | MII_STAT1000 = 0x0a ; 1000BASE-T status |
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28 | MII_ESTATUS = 0x0f ; Extended Status |
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29 | MII_DCOUNTER = 0x12 ; Disconnect counter |
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30 | MII_FCSCOUNTER = 0x13 ; False carrier counter |
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31 | MII_NWAYTEST = 0x14 ; N-way auto-neg test reg |
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32 | MII_RERRCOUNTER = 0x15 ; Receive error counter |
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33 | MII_SREVISION = 0x16 ; Silicon revision |
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34 | MII_RESV1 = 0x17 ; Reserved... |
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35 | MII_LBRERROR = 0x18 ; Lpback, rx, bypass error |
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36 | MII_PHYADDR = 0x19 ; PHY address |
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37 | MII_RESV2 = 0x1a ; Reserved... |
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38 | MII_TPISTATUS = 0x1b ; TPI status for 10mbps |
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39 | MII_NCONFIG = 0x1c ; Network interface config |
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40 | |||
41 | ; Basic mode control register. |
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42 | |||
43 | BMCR_RESV = 0x003f ; Unused... |
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44 | BMCR_SPEED1000 = 0x0040 ; MSB of Speed (1000) |
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45 | BMCR_CTST = 0x0080 ; Collision test |
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46 | BMCR_FULLDPLX = 0x0100 ; Full duplex |
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47 | BMCR_ANRESTART = 0x0200 ; Auto negotiation restart |
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48 | BMCR_ISOLATE = 0x0400 ; Disconnect DP83840 from MII |
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49 | BMCR_PDOWN = 0x0800 ; Powerdown the DP83840 |
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50 | BMCR_ANENABLE = 0x1000 ; Enable auto negotiation |
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51 | BMCR_SPEED100 = 0x2000 ; Select 100Mbps |
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52 | BMCR_LOOPBACK = 0x4000 ; TXD loopback bits |
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53 | BMCR_RESET = 0x8000 ; Reset the DP83840 |
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54 | |||
55 | ; Basic mode status register. |
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56 | |||
57 | BMSR_ERCAP = 0x0001 ; Ext-reg capability |
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58 | BMSR_JCD = 0x0002 ; Jabber detected |
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59 | BMSR_LSTATUS = 0x0004 ; Link status |
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60 | BMSR_ANEGCAPABLE = 0x0008 ; Able to do auto-negotiation |
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61 | BMSR_RFAULT = 0x0010 ; Remote fault detected |
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62 | BMSR_ANEGCOMPLETE = 0x0020 ; Auto-negotiation complete |
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63 | BMSR_RESV = 0x00c0 ; Unused... |
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64 | BMSR_ESTATEN = 0x0100 ; Extended Status in R15 |
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65 | BMSR_100HALF2 = 0x0200 ; Can do 100BASE-T2 HDX |
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66 | BMSR_100FULL2 = 0x0400 ; Can do 100BASE-T2 FDX |
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67 | BMSR_10HALF = 0x0800 ; Can do 10mbps, half-duplex |
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68 | BMSR_10FULL = 0x1000 ; Can do 10mbps, full-duplex |
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69 | BMSR_100HALF = 0x2000 ; Can do 100mbps, half-duplex |
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70 | BMSR_100FULL = 0x4000 ; Can do 100mbps, full-duplex |
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71 | BMSR_100BASE4 = 0x8000 ; Can do 100mbps, 4k packets |
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72 | |||
73 | ; Advertisement control register. |
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74 | |||
75 | ADVERTISE_SLCT = 0x001f ; Selector bits |
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76 | ADVERTISE_CSMA = 0x0001 ; Only selector supported |
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77 | ADVERTISE_10HALF = 0x0020 ; Try for 10mbps half-duplex |
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78 | ADVERTISE_1000XFULL = 0x0020 ; Try for 1000BASE-X full-duplex |
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79 | ADVERTISE_10FULL = 0x0040 ; Try for 10mbps full-duplex |
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80 | ADVERTISE_1000XHALF = 0x0040 ; Try for 1000BASE-X half-duplex |
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81 | ADVERTISE_100HALF = 0x0080 ; Try for 100mbps half-duplex |
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82 | ADVERTISE_1000XPAUSE = 0x0080 ; Try for 1000BASE-X pause |
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83 | ADVERTISE_100FULL = 0x0100 ; Try for 100mbps full-duplex |
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84 | ADVERTISE_1000XPSE_ASYM = 0x0100 ; Try for 1000BASE-X asym pause |
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85 | ADVERTISE_100BASE4 = 0x0200 ; Try for 100mbps 4k packets |
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86 | ADVERTISE_PAUSE_CAP = 0x0400 ; Try for pause |
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87 | ADVERTISE_PAUSE_ASYM = 0x0800 ; Try for asymetric pause |
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88 | ADVERTISE_RESV = 0x1000 ; Unused... |
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89 | ADVERTISE_RFAULT = 0x2000 ; Say we can detect faults |
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90 | ADVERTISE_LPACK = 0x4000 ; Ack link partners response |
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91 | ADVERTISE_NPAGE = 0x8000 ; Next page bit |
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92 | |||
93 | ADVERTISE_FULL = (ADVERTISE_100FULL or ADVERTISE_10FULL or ADVERTISE_CSMA) |
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94 | ADVERTISE_ALL = (ADVERTISE_10HALF or ADVERTISE_10FULL or ADVERTISE_100HALF or ADVERTISE_100FULL) |
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95 | |||
96 | ; Link partner ability register. |
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97 | |||
98 | LPA_SLCT = 0x001f ; Same as advertise selector |
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99 | LPA_10HALF = 0x0020 ; Can do 10mbps half-duplex |
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100 | LPA_1000XFULL = 0x0020 ; Can do 1000BASE-X full-duplex |
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101 | LPA_10FULL = 0x0040 ; Can do 10mbps full-duplex |
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102 | LPA_1000XHALF = 0x0040 ; Can do 1000BASE-X half-duplex |
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103 | LPA_100HALF = 0x0080 ; Can do 100mbps half-duplex |
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104 | LPA_1000XPAUSE = 0x0080 ; Can do 1000BASE-X pause |
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105 | LPA_100FULL = 0x0100 ; Can do 100mbps full-duplex |
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106 | LPA_1000XPAUSE_ASYM = 0x0100 ; Can do 1000BASE-X pause asym |
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107 | LPA_100BASE4 = 0x0200 ; Can do 100mbps 4k packets |
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108 | LPA_PAUSE_CAP = 0x0400 ; Can pause |
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109 | LPA_PAUSE_ASYM = 0x0800 ; Can pause asymetrically |
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110 | LPA_RESV = 0x1000 ; Unused... |
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111 | LPA_RFAULT = 0x2000 ; Link partner faulted |
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112 | LPA_LPACK = 0x4000 ; Link partner acked us |
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113 | LPA_NPAGE = 0x8000 ; Next page bit |
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114 | |||
115 | LPA_DUPLEX = (LPA_10FULL or LPA_100FULL) |
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116 | LPA_100 = (LPA_100FULL or LPA_100HALF or LPA_100BASE4) |
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117 | |||
118 | ; Expansion register for auto-negotiation. |
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119 | |||
120 | EXPANSION_NWAY = 0x0001 ; Can do N-way auto-nego |
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121 | EXPANSION_LCWP = 0x0002 ; Got new RX page code word |
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122 | EXPANSION_ENABLENPAGE = 0x0004 ; This enables npage words |
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123 | EXPANSION_NPCAPABLE = 0x0008 ; Link partner supports npage |
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124 | EXPANSION_MFAULTS = 0x0010 ; Multiple faults detected |
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125 | EXPANSION_RESV = 0xffe0 ; Unused... |
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126 | |||
127 | ESTATUS_1000_TFULL = 0x2000 ; Can do 1000BT Full |
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128 | ESTATUS_1000_THALF = 0x1000 ; Can do 1000BT Half |
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129 | |||
130 | ; N-way test register. |
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131 | |||
132 | NWAYTEST_RESV1 = 0x00ff ; Unused... |
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133 | NWAYTEST_LOOPBACK = 0x0100 ; Enable loopback for N-way |
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134 | NWAYTEST_RESV2 = 0xfe00 ; Unused... |
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135 | |||
136 | ; 1000BASE-T Control register |
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137 | |||
138 | ADVERTISE_1000FULL = 0x0200 ; Advertise 1000BASE-T full duplex |
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139 | ADVERTISE_1000HALF = 0x0100 ; Advertise 1000BASE-T half duplex |
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140 | |||
141 | ; 1000BASE-T Status register |
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142 | |||
143 | LPA_1000LOCALRXOK = 0x2000 ; Link partner local receiver status |
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144 | LPA_1000REMRXOK = 0x1000 ; Link partner remote receiver status |
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145 | LPA_1000FULL = 0x0800 ; Link partner 1000BASE-T full duplex |
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146 | LPA_1000HALF = 0x0400 ; Link partner 1000BASE-T half duplex |
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147 | |||
148 | ; Flow control flags |
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149 | |||
150 | FLOW_CTRL_TX = 0x01 |
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151 | FLOW_CTRL_RX = 0x02 |
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152 | |||
153 | |||
154 | |||
155 | if used mii_link_ok |
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156 | |||
157 | align 4 |
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158 | mii_link_ok: |
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159 | |||
160 | DEBUGF 1, "mii_link_ok\n" |
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161 | |||
162 | ; First do a dummy read to latch some MII phys |
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163 | |||
164 | mov ecx, MII_BMSR |
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165 | call mdio_read |
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166 | |||
167 | mov ecx, MII_BMSR |
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168 | call mdio_read |
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169 | |||
170 | and ax, BMSR_LSTATUS |
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171 | |||
172 | DEBUGF 1, "link status=0x%x\n", ax |
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173 | |||
174 | ret |
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175 | |||
176 | end if |