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431 | serge | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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3 | ;; Copyright (C) KolibriOS team 2004-2007. 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 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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7 | |||
593 | mikedld | 8 | $Revision: 593 $ |
9 | |||
10 | |||
261 | hidnplayr | 11 | ;; Copyright (c) 2004, Endre Kozma |
12 | ;; All rights reserved. |
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13 | ;; |
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14 | ;; Redistribution and use in source and binary forms, with or without |
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15 | ;; modification, are permitted provided that the following conditions are |
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16 | ;; met: |
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17 | ;; |
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18 | ;; 1. Redistributions of source code must retain the above copyright notice, |
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19 | ;; this list of conditions and the following disclaimer. |
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20 | ;; |
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21 | ;; 2. Redistributions in binary form must reproduce the above copyright |
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22 | ;; notice, this list of conditions and the following disclaimer in the |
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23 | ;; documentation and/or other materials provided with the distribution. |
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24 | ;; |
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25 | ;; 3. The name of the author may not be used to endorse or promote products |
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26 | ;; derived from this software without specific prior written permission. |
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27 | ;; |
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28 | ;; THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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29 | ;; IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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30 | ;; OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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31 | ;; IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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32 | ;; INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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33 | ;; NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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34 | ;; DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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35 | ;; THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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36 | ;; (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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37 | ;; THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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38 | |||
39 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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40 | ;; ;; |
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41 | ;; 3C59X.INC ;; |
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42 | ;; ;; |
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43 | ;; Ethernet driver for Menuet OS ;; |
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44 | ;; ;; |
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45 | ;; Driver for 3Com fast etherlink 3c59x and ;; |
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46 | ;; etherlink XL 3c900 and 3c905 cards ;; |
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47 | ;; References: ;; |
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48 | ;; www.3Com.com - data sheets ;; |
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49 | ;; DP83840A.pdf - ethernet physical layer ;; |
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50 | ;; 3c59x.c - linux driver ;; |
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51 | ;; ethernet driver template by Mike Hibbett ;; |
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52 | ;; ;; |
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53 | ;; Credits ;; |
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54 | ;; Mike Hibbett, ;; |
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55 | ;; who kindly supplied me with a 3Com905C-TX-M card ;; |
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56 | ;; ;; |
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57 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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58 | ;; History |
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59 | ;; ======= |
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60 | ;; $Log: 3C59X.INC,v $ |
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61 | ;; Revision 1.3 2004/07/11 12:21:12 kozma |
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62 | ;; Support of vortex chips (3c59x) added. |
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63 | ;; Support of 3c920 and 3c982 added. |
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64 | ;; Corrections. |
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65 | ;; |
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66 | ;; Revision 1.2 2004/06/12 19:40:20 kozma |
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67 | ;; Function e3c59x_set_available_media added in order to set |
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68 | ;; the default media in case auto detection finds no valid link. |
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69 | ;; Incorrect mii check removed (3c900 Cyclone works now). |
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70 | ;; Cleanups. |
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71 | ;; |
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72 | ;; Revision 1.1 2004/06/12 18:27:15 kozma |
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73 | ;; Initial revision |
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74 | ;; |
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75 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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76 | |||
77 | ; comment the next line out if you don't want debug info printed |
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78 | ; on the debug board. This option adds a lot of bytes to the driver |
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79 | ; so it's worth to comment it out. |
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80 | ; E3C59X_DEBUG equ 1 |
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81 | |||
82 | ; forcing full duplex mode makes sense at some cards and link types |
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83 | E3C59X_FORCE_FD equ 1 |
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84 | |||
85 | macro virt_to_dma reg |
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86 | { |
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87 | if defined E3C59X_LINUX |
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88 | sub reg, [virt_addr] |
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89 | add reg, [dma_addr] |
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90 | end if |
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91 | } |
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92 | |||
93 | macro dma_to_virt reg |
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94 | { |
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95 | if defined E3C59X_LINUX |
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96 | sub reg, [dma_addr] |
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97 | add reg, [virt_addr] |
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98 | end if |
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99 | } |
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100 | |||
101 | macro zero_to_virt reg |
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102 | { |
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103 | if defined E3C59X_LINUX |
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104 | add reg, [virt_addr] |
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105 | end if |
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106 | } |
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107 | |||
108 | macro virt_to_zero reg |
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109 | { |
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110 | if defined E3C59X_LINUX |
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111 | sub reg, [virt_addr] |
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112 | end if |
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113 | } |
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114 | |||
115 | macro zero_to_dma reg |
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116 | { |
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117 | if defined E3C59X_LINUX |
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118 | add reg, [dma_addr] |
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119 | end if |
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120 | } |
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121 | |||
122 | macro dma_to_zero reg |
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123 | { |
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124 | if defined E3C59X_LINUX |
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125 | sub reg, [dma_addr] |
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126 | end if |
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127 | } |
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128 | |||
129 | macro strtbl name, [string] |
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130 | { |
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131 | common |
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132 | label name dword |
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133 | forward |
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134 | local label |
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135 | dd label |
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136 | forward |
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137 | label db string, 0 |
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138 | } |
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139 | |||
140 | ; Ethernet frame symbols |
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141 | ETH_ALEN equ 6 |
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142 | ETH_HLEN equ (2*ETH_ALEN+2) |
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143 | ETH_ZLEN equ 60 ; 60 + 4bytes auto payload for |
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144 | ; mininmum 64bytes frame length |
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145 | ; PCI programming |
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146 | PCI_REG_COMMAND equ 0x4 ; command register |
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147 | PCI_REG_STATUS equ 0x6 ; status register |
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148 | PCI_REG_LATENCY equ 0xd ; latency timer register |
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149 | PCI_REG_CAP_PTR equ 0x34 ; capabilities pointer |
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150 | PCI_REG_CAPABILITY_ID equ 0x0 ; capapility ID in pm register block |
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151 | PCI_REG_PM_STATUS equ 0x4 ; power management status register |
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152 | PCI_REG_PM_CTRL equ 0x4 ; power management control register |
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153 | PCI_BIT_PIO equ 0 ; bit0: io space control |
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154 | PCI_BIT_MMIO equ 1 ; bit1: memory space control |
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155 | PCI_BIT_MASTER equ 2 ; bit2: device acts as a PCI master |
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156 | ; Registers |
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157 | E3C59X_REG_POWER_MGMT_CTRL equ 0x7c |
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158 | E3C59X_REG_UP_LIST_PTR equ 0x38 |
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159 | E3C59X_REG_UP_PKT_STATUS equ 0x30 |
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160 | E3C59X_REG_TX_FREE_THRESH equ 0x2f |
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161 | E3C59X_REG_DN_LIST_PTR equ 0x24 |
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162 | E3C59X_REG_DMA_CTRL equ 0x20 |
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163 | E3C59X_REG_TX_STATUS equ 0x1b |
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164 | E3C59X_REG_RX_STATUS equ 0x18 |
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165 | E3C59X_REG_TX_DATA equ 0x10 |
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166 | ; Common window registers |
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167 | E3C59X_REG_INT_STATUS equ 0xe |
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168 | E3C59X_REG_COMMAND equ 0xe |
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169 | ; Register window 7 |
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170 | E3C59X_REG_MASTER_STATUS equ 0xc |
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171 | E3C59X_REG_POWER_MGMT_EVENT equ 0xc |
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172 | E3C59X_REG_MASTER_LEN equ 0x6 |
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173 | E3C59X_REG_VLAN_ETHER_TYPE equ 0x4 |
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174 | E3C59X_REG_VLAN_MASK equ 0x0 |
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175 | E3C59X_REG_MASTER_ADDRESS equ 0x0 |
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176 | ; Register window 6 |
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177 | E3C59X_REG_BYTES_XMITTED_OK equ 0xc |
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178 | E3C59X_REG_BYTES_RCVD_OK equ 0xa |
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179 | E3C59X_REG_UPPER_FRAMES_OK equ 0x9 |
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180 | E3C59X_REG_FRAMES_DEFERRED equ 0x8 |
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181 | E3C59X_REG_FRAMES_RCVD_OK equ 0x7 |
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182 | E3C59X_REG_FRAMES_XMITTED_OK equ 0x6 |
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183 | E3C59X_REG_RX_OVERRUNS equ 0x5 |
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184 | E3C59X_REG_LATE_COLLISIONS equ 0x4 |
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185 | E3C59X_REG_SINGLE_COLLISIONS equ 0x3 |
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186 | E3C59X_REG_MULTIPLE_COLLISIONS equ 0x2 |
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187 | E3C59X_REG_SQE_ERRORS equ 0x1 |
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188 | E3C59X_REG_CARRIER_LOST equ 0x0 |
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189 | ; Register window 5 |
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190 | E3C59X_REG_INDICATION_ENABLE equ 0xc |
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191 | E3C59X_REG_INTERRUPT_ENABLE equ 0xa |
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192 | E3C59X_REG_TX_RECLAIM_THRESH equ 0x9 |
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193 | E3C59X_REG_RX_FILTER equ 0x8 |
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194 | E3C59X_REG_RX_EARLY_THRESH equ 0x6 |
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195 | E3C59X_REG_TX_START_THRESH equ 0x0 |
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196 | ; Register window 4 |
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197 | E3C59X_REG_UPPER_BYTES_OK equ 0xe |
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198 | E3C59X_REG_BAD_SSD equ 0xc |
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199 | E3C59X_REG_MEDIA_STATUS equ 0xa |
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200 | E3C59X_REG_PHYSICAL_MGMT equ 0x8 |
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201 | E3C59X_REG_NETWORK_DIAGNOSTIC equ 0x6 |
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202 | E3C59X_REG_FIFO_DIAGNOSTIC equ 0x4 |
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203 | E3C59X_REG_VCO_DIAGNOSTIC equ 0x2 ; may not supported |
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204 | ; Bits in register window 4 |
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205 | E3C59X_BIT_AUTOSELECT equ 24 |
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206 | ; Register window 3 |
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207 | E3C59X_REG_TX_FREE equ 0xc |
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208 | E3C59X_REG_RX_FREE equ 0xa |
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209 | E3C59X_REG_MEDIA_OPTIONS equ 0x8 |
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210 | E3C59X_REG_MAC_CONTROL equ 0x6 |
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211 | E3C59X_REG_MAX_PKT_SIZE equ 0x4 |
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212 | E3C59X_REG_INTERNAL_CONFIG equ 0x0 |
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213 | ; Register window 2 |
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214 | E3C59X_REG_RESET_OPTIONS equ 0xc |
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215 | E3C59X_REG_STATION_MASK_HI equ 0xa |
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216 | E3C59X_REG_STATION_MASK_MID equ 0x8 |
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217 | E3C59X_REG_STATION_MASK_LO equ 0x6 |
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218 | E3C59X_REG_STATION_ADDRESS_HI equ 0x4 |
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219 | E3C59X_REG_STATION_ADDRESS_MID equ 0x2 |
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220 | E3C59X_REG_STATION_ADDRESS_LO equ 0x0 |
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221 | ; Register window 1 |
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222 | E3C59X_REG_TRIGGER_BITS equ 0xc |
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223 | E3C59X_REG_SOS_BITS equ 0xa |
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224 | E3C59X_REG_WAKE_ON_TIMER equ 0x8 |
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225 | E3C59X_REG_SMB_RXBYTES equ 0x7 |
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226 | E3C59X_REG_SMB_DIAG equ 0x5 |
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227 | E3C59X_REG_SMB_ARB equ 0x4 |
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228 | E3C59X_REG_SMB_STATUS equ 0x2 |
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229 | E3C59X_REG_SMB_ADDRESS equ 0x1 |
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230 | E3C59X_REG_SMB_FIFO_DATA equ 0x0 |
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231 | ; Register window 0 |
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232 | E3C59X_REG_EEPROM_DATA equ 0xc |
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233 | E3C59X_REG_EEPROM_COMMAND equ 0xa |
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234 | E3C59X_REG_BIOS_ROM_DATA equ 0x8 |
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235 | E3C59X_REG_BIOS_ROM_ADDR equ 0x4 |
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236 | ; Physical management bits |
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237 | E3C59X_BIT_MGMT_DIR equ 2 ; drive with the data written in mgmtData |
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238 | E3C59X_BIT_MGMT_DATA equ 1 ; MII management data bit |
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239 | E3C59X_BIT_MGMT_CLK equ 0 ; MII management clock |
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240 | ; MII commands |
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241 | E3C59X_MII_CMD_MASK equ (1111b shl 10) |
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242 | E3C59X_MII_CMD_READ equ (0110b shl 10) |
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243 | E3C59X_MII_CMD_WRITE equ (0101b shl 10) |
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244 | ; MII registers |
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245 | E3C59X_REG_MII_BMCR equ 0 ; basic mode control register |
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246 | E3C59X_REG_MII_BMSR equ 1 ; basic mode status register |
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247 | E3C59X_REG_MII_ANAR equ 4 ; auto negotiation advertisement register |
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248 | E3C59X_REG_MII_ANLPAR equ 5 ; auto negotiation link partner ability register |
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249 | E3C59X_REG_MII_ANER equ 6 ; auto negotiation expansion register |
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250 | ; MII bits |
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251 | E3C59X_BIT_MII_AUTONEG_COMPLETE equ 5 ; auto-negotiation complete |
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252 | E3C59X_BIT_MII_PREAMBLE_SUPPRESSION equ 6 |
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253 | ; eeprom bits and commands |
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254 | E3C59X_EEPROM_CMD_READ equ 0x80 |
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255 | E3C59X_EEPROM_BIT_BUSY equ 15 |
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256 | ; eeprom registers |
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257 | E3C59X_EEPROM_REG_OEM_NODE_ADDR equ 0xa |
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258 | E3C59X_EEPROM_REG_CAPABILITIES equ 0x10 |
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259 | ; Commands for command register |
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260 | E3C59X_SELECT_REGISTER_WINDOW equ (1 shl 11) |
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261 | |||
262 | IS_VORTEX equ 0x1 |
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263 | IS_BOOMERANG equ 0x2 |
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264 | IS_CYCLONE equ 0x4 |
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265 | IS_TORNADO equ 0x8 |
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266 | EEPROM_8BIT equ 0x10 |
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267 | HAS_PWR_CTRL equ 0x20 |
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268 | HAS_MII equ 0x40 |
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269 | HAS_NWAY equ 0x80 |
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270 | HAS_CB_FNS equ 0x100 |
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271 | INVERT_MII_PWR equ 0x200 |
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272 | INVERT_LED_PWR equ 0x400 |
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273 | MAX_COLLISION_RESET equ 0x800 |
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274 | EEPROM_OFFSET equ 0x1000 |
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275 | HAS_HWCKSM equ 0x2000 |
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276 | EXTRA_PREAMBLE equ 0x4000 |
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277 | |||
278 | iglobal |
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279 | align 4 |
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280 | e3c59x_hw_versions: |
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281 | dw 0x5900, IS_VORTEX ; 3c590 Vortex 10Mbps |
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282 | dw 0x5920, IS_VORTEX ; 3c592 EISA 10Mbps Demon/Vortex |
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283 | dw 0x5970, IS_VORTEX ; 3c597 EISA Fast Demon/Vortex |
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284 | dw 0x5950, IS_VORTEX ; 3c595 Vortex 100baseTx |
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285 | dw 0x5951, IS_VORTEX ; 3c595 Vortex 100baseT4 |
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286 | dw 0x5952, IS_VORTEX ; 3c595 Vortex 100base-MII |
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287 | dw 0x9000, IS_BOOMERANG ; 3c900 Boomerang 10baseT |
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288 | dw 0x9001, IS_BOOMERANG ; 3c900 Boomerang 10Mbps Combo |
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289 | dw 0x9004, IS_CYCLONE or HAS_NWAY or HAS_HWCKSM ; 3c900 Cyclone 10Mbps TPO |
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290 | dw 0x9005, IS_CYCLONE or HAS_HWCKSM ; 3c900 Cyclone 10Mbps Combo |
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291 | dw 0x9006, IS_CYCLONE or HAS_HWCKSM ; 3c900 Cyclone 10Mbps TPC |
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292 | dw 0x900A, IS_CYCLONE or HAS_HWCKSM ; 3c900B-FL Cyclone 10base-FL |
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293 | dw 0x9050, IS_BOOMERANG or HAS_MII ; 3c905 Boomerang 100baseTx |
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294 | dw 0x9051, IS_BOOMERANG or HAS_MII ; 3c905 Boomerang 100baseT4 |
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295 | dw 0x9055, IS_CYCLONE or HAS_NWAY or HAS_HWCKSM or EXTRA_PREAMBLE ; 3c905B Cyclone 100baseTx |
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296 | dw 0x9058, IS_CYCLONE or HAS_NWAY or HAS_HWCKSM ; 3c905B Cyclone 10/100/BNC |
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297 | dw 0x905A, IS_CYCLONE or HAS_HWCKSM ; 3c905B-FX Cyclone 100baseFx |
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298 | dw 0x9200, IS_TORNADO or HAS_NWAY or HAS_HWCKSM ; 3c905C Tornado |
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299 | dw 0x9800, IS_CYCLONE or HAS_NWAY or HAS_HWCKSM ; 3c980 Cyclone |
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300 | dw 0x9805, IS_TORNADO or HAS_NWAY or HAS_HWCKSM ; 3c982 Dual Port Server Cyclone |
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301 | dw 0x7646, IS_CYCLONE or HAS_NWAY or HAS_HWCKSM ; 3cSOHO100-TX Hurricane |
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302 | dw 0x5055, IS_CYCLONE or EEPROM_8BIT or HAS_HWCKSM ; 3c555 Laptop Hurricane |
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303 | dw 0x6055, IS_TORNADO or HAS_NWAY or EEPROM_8BIT or HAS_CB_FNS \ |
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304 | or INVERT_MII_PWR or HAS_HWCKSM ; 3c556 Laptop Tornado |
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305 | dw 0x6056, IS_TORNADO or HAS_NWAY or EEPROM_OFFSET or HAS_CB_FNS \ |
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306 | or INVERT_MII_PWR or HAS_HWCKSM ; 3c556B Laptop Hurricane |
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307 | dw 0x5b57, IS_BOOMERANG or HAS_MII or EEPROM_8BIT ; 3c575 [Megahertz] 10/100 LAN CardBus |
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308 | dw 0x5057, IS_BOOMERANG or HAS_MII or EEPROM_8BIT ; 3c575 Boomerang CardBus |
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309 | dw 0x5157, IS_CYCLONE or HAS_NWAY or HAS_CB_FNS or EEPROM_8BIT \ |
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310 | or INVERT_LED_PWR or HAS_HWCKSM ; 3CCFE575BT Cyclone CardBus |
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311 | dw 0x5257, IS_TORNADO or HAS_NWAY or HAS_CB_FNS or EEPROM_8BIT or INVERT_MII_PWR \ |
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312 | or MAX_COLLISION_RESET or HAS_HWCKSM ; 3CCFE575CT Tornado CardBus |
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313 | dw 0x6560, IS_CYCLONE or HAS_NWAY or HAS_CB_FNS or EEPROM_8BIT or INVERT_MII_PWR \ |
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314 | or INVERT_LED_PWR or HAS_HWCKSM ; 3CCFE656 Cyclone CardBus |
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315 | dw 0x6562, IS_CYCLONE or HAS_NWAY or HAS_CB_FNS or EEPROM_8BIT or INVERT_MII_PWR \ |
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316 | or INVERT_LED_PWR or HAS_HWCKSM ; 3CCFEM656B Cyclone+Winmodem CardBus |
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317 | dw 0x6564, IS_TORNADO or HAS_NWAY or HAS_CB_FNS or EEPROM_8BIT or INVERT_MII_PWR \ |
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318 | or MAX_COLLISION_RESET or HAS_HWCKSM ; 3CXFEM656C Tornado+Winmodem CardBus |
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319 | dw 0x4500, IS_TORNADO or HAS_NWAY or HAS_HWCKSM ; 3c450 HomePNA Tornado |
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320 | dw 0x9201, IS_TORNADO or HAS_NWAY or HAS_HWCKSM ; 3c920 Tornado |
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321 | dw 0x1201, IS_TORNADO or HAS_HWCKSM or HAS_NWAY ; 3c982 Hydra Dual Port A |
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322 | dw 0x1202, IS_TORNADO or HAS_HWCKSM or HAS_NWAY ; 3c982 Hydra Dual Port B |
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323 | dw 0x9056, IS_CYCLONE or HAS_NWAY or HAS_HWCKSM or EXTRA_PREAMBLE ; 3c905B-T4 |
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324 | dw 0x9210, IS_TORNADO or HAS_NWAY or HAS_HWCKSM ; 3c920B-EMB-WNM Tornado |
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325 | E3C59X_HW_VERSIONS_SIZE= $-e3c59x_hw_versions |
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326 | endg |
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327 | |||
328 | ; RX/TX buffers sizes |
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329 | E3C59X_MAX_ETH_PKT_SIZE equ 1536 ; max packet size |
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330 | E3C59X_NUM_RX_DESC equ 4 ; a power of 2 number |
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331 | E3C59X_NUM_TX_DESC equ 4 ; a power of 2 number |
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332 | E3C59X_RX_BUFFER_SIZE equ (E3C59X_MAX_ETH_FRAME_SIZE*E3C59X_NUM_RX_DESC) |
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333 | E3C59X_TX_BUFFER_SIZE equ (E3C59X_MAX_ETH_FRAME_SIZE*E3C59X_NUM_TX_DESC) |
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334 | ; Download Packet Descriptor |
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335 | E3C59X_DPD_DN_NEXT_PTR equ 0 |
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336 | E3C59X_DPD_FRAME_START_HDR equ 4 |
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337 | E3C59X_DPD_DN_FRAG_ADDR equ 8 ; for packet data |
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338 | E3C59X_DPD_DN_FRAG_LEN equ 12 ; for packet data |
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339 | E3C59X_DPD_SIZE equ 16 ; a power of 2 number |
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340 | ; Upload Packet Descriptor |
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341 | E3C59X_UPD_UP_NEXT_PTR equ 0 |
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342 | E3C59X_UPD_PKT_STATUS equ 4 |
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343 | E3C59X_UPD_UP_FRAG_ADDR equ 8 ; for packet data |
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344 | E3C59X_UPD_UP_FRAG_LEN equ 12 ; for packet data |
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345 | E3C59X_UPD_SIZE equ 16 |
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346 | |||
347 | ; RX/TX buffers |
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348 | if defined E3C59X_LINUX |
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349 | E3C59X_MAX_ETH_FRAME_SIZE = 160 ; size of ethernet frame + bytes alignment |
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350 | e3c59x_rx_buff = 0 |
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351 | else |
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352 | E3C59X_MAX_ETH_FRAME_SIZE = 1520 ; size of ethernet frame + bytes alignment |
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353 | e3c59x_rx_buff = eth_data_start |
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354 | end if |
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355 | |||
356 | e3c59x_tx_buff = e3c59x_rx_buff+E3C59X_RX_BUFFER_SIZE |
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357 | e3c59x_dpd_buff = e3c59x_tx_buff+E3C59X_TX_BUFFER_SIZE |
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358 | e3c59x_upd_buff = e3c59x_dpd_buff+(E3C59X_DPD_SIZE*E3C59X_NUM_TX_DESC) |
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359 | |||
360 | uglobal |
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361 | e3c59x_curr_upd: dd 0 |
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362 | e3c59x_prev_dpd: dd 0 |
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363 | e3c59x_prev_tx_frame: dd 0 |
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364 | e3c59x_transmit_function: dd 0 |
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365 | e3c59x_receive_function: dd 0 |
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366 | endg |
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367 | |||
368 | iglobal |
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369 | e3c59x_ver_id: db 17 |
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370 | endg |
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371 | uglobal |
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372 | e3c59x_full_bus_master: db 0 |
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373 | e3c59x_has_hwcksm: db 0 |
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374 | e3c59x_preamble: db 0 |
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375 | e3c59x_dn_list_ptr_cleared: db 0 |
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376 | e3c59x_self_directed_packet: rb 6 |
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377 | endg |
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378 | |||
379 | if defined E3C59X_DEBUG |
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380 | e3c59x_hw_type_str: db "Detected hardware type : ", 0 |
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381 | e3c59x_device_str: db "Device ID : 0x" |
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382 | e3c59x_device_id_str: db "ffff", 13, 10, 0 |
||
383 | e3c59x_vendor_str: db "Vendor ID : 0x" |
||
384 | e3c59x_vendor_id_str: db "ffff", 13, 10, 0 |
||
385 | e3c59x_io_info_str: db "IO address : 0x" |
||
386 | e3c59x_io_addr_str: db "ffff", 13, 10, 0 |
||
387 | e3c59x_mac_info_str: db "MAC address : " |
||
388 | e3c59x_mac_addr_str: db "ff:ff:ff:ff:ff:ff", 13, 10, 0 |
||
389 | e3c59x_boomerang_str: db " (boomerang)", 13, 10, 0 |
||
390 | e3c59x_vortex_str: db " (vortex)", 13, 10, 0 |
||
391 | e3c59x_link_type_str: db "Established link type : ", 0 |
||
392 | e3c59x_new_line_str: db 13, 10, 0 |
||
393 | e3c59x_link_type: dd 0 |
||
394 | |||
395 | e3c59x_charset: db '0123456789abcdef' |
||
396 | |||
397 | strtbl e3c59x_link_str, \ |
||
398 | "No valid link type detected", \ |
||
399 | "10BASE-T half duplex", \ |
||
400 | "10BASE-T full-duplex", \ |
||
401 | "100BASE-TX half duplex", \ |
||
402 | "100BASE-TX full duplex", \ |
||
403 | "100BASE-T4", \ |
||
404 | "100BASE-FX", \ |
||
405 | "10Mbps AUI", \ |
||
406 | "10Mbps COAX (BNC)", \ |
||
407 | "miiDevice - not supported" |
||
408 | |||
409 | strtbl e3c59x_hw_str, \ |
||
410 | "3c590 Vortex 10Mbps", \ |
||
411 | "3c592 EISA 10Mbps Demon/Vortex", \ |
||
412 | "3c597 EISA Fast Demon/Vortex", \ |
||
413 | "3c595 Vortex 100baseTx", \ |
||
414 | "3c595 Vortex 100baseT4", \ |
||
415 | "3c595 Vortex 100base-MII", \ |
||
416 | "3c900 Boomerang 10baseT", \ |
||
417 | "3c900 Boomerang 10Mbps Combo", \ |
||
418 | "3c900 Cyclone 10Mbps TPO", \ |
||
419 | "3c900 Cyclone 10Mbps Combo", \ |
||
420 | "3c900 Cyclone 10Mbps TPC", \ |
||
421 | "3c900B-FL Cyclone 10base-FL", \ |
||
422 | "3c905 Boomerang 100baseTx", \ |
||
423 | "3c905 Boomerang 100baseT4", \ |
||
424 | "3c905B Cyclone 100baseTx", \ |
||
425 | "3c905B Cyclone 10/100/BNC", \ |
||
426 | "3c905B-FX Cyclone 100baseFx", \ |
||
427 | "3c905C Tornado", \ |
||
428 | "3c980 Cyclone", \ |
||
429 | "3c982 Dual Port Server Cyclone", \ |
||
430 | "3cSOHO100-TX Hurricane", \ |
||
431 | "3c555 Laptop Hurricane", \ |
||
432 | "3c556 Laptop Tornado", \ |
||
433 | "3c556B Laptop Hurricane", \ |
||
434 | "3c575 [Megahertz] 10/100 LAN CardBus", \ |
||
435 | "3c575 Boomerang CardBus", \ |
||
436 | "3CCFE575BT Cyclone CardBus", \ |
||
437 | "3CCFE575CT Tornado CardBus", \ |
||
438 | "3CCFE656 Cyclone CardBus", \ |
||
439 | "3CCFEM656B Cyclone+Winmodem CardBus", \ |
||
440 | "3CXFEM656C Tornado+Winmodem CardBus", \ |
||
441 | "3c450 HomePNA Tornado", \ |
||
442 | "3c920 Tornado", \ |
||
443 | "3c982 Hydra Dual Port A", \ |
||
444 | "3c982 Hydra Dual Port B", \ |
||
445 | "3c905B-T4", \ |
||
446 | "3c920B-EMB-WNM Tornado" |
||
447 | |||
448 | end if ; defined E3C59X_DEBUG |
||
449 | |||
450 | ;*************************************************************************** |
||
451 | ; Function |
||
452 | ; e3c59x_debug |
||
453 | ; Description |
||
454 | ; prints debug info to the debug board |
||
455 | ; Parameters |
||
456 | ; ebp - io_addr |
||
457 | ; Return value |
||
458 | ; Destroyed registers |
||
459 | ; eax, ebx, ecx, edx, edi, esi |
||
460 | ; |
||
461 | ;*************************************************************************** |
||
462 | if defined E3C59X_DEBUG |
||
463 | align 4 |
||
464 | e3c59x_debug: |
||
465 | pushad |
||
466 | ; print device type |
||
467 | mov esi, e3c59x_hw_type_str |
||
468 | call sys_msg_board_str |
||
469 | movzx ecx, byte [e3c59x_ver_id] |
||
470 | mov esi, [e3c59x_hw_str+ecx*4] |
||
471 | call sys_msg_board_str |
||
472 | mov esi, e3c59x_boomerang_str |
||
473 | cmp dword [e3c59x_transmit_function], e3c59x_boomerang_transmit |
||
474 | jz .boomerang |
||
475 | mov esi, e3c59x_vortex_str |
||
476 | .boomerang: |
||
477 | call sys_msg_board_str |
||
478 | ; print device/vendor |
||
479 | mov ax, [pci_data+2] |
||
480 | mov cl, 2 |
||
481 | mov ebx, e3c59x_device_id_str |
||
482 | call e3c59x_print_hex |
||
483 | mov esi, e3c59x_device_str |
||
484 | call sys_msg_board_str |
||
485 | mov ax, [pci_data] |
||
486 | mov cl, 2 |
||
487 | mov ebx, e3c59x_vendor_id_str |
||
488 | call e3c59x_print_hex |
||
489 | mov esi, e3c59x_vendor_str |
||
490 | call sys_msg_board_str |
||
491 | ; print io address |
||
492 | mov ax, [io_addr] |
||
493 | mov ebx, e3c59x_io_addr_str |
||
494 | mov cl, 2 |
||
495 | call e3c59x_print_hex |
||
496 | mov esi, e3c59x_io_info_str |
||
497 | call sys_msg_board_str |
||
498 | ; print MAC address |
||
499 | mov ebx, e3c59x_mac_addr_str |
||
500 | xor ecx, ecx |
||
501 | .mac_loop: |
||
502 | push ecx |
||
503 | mov al, [node_addr+ecx] |
||
504 | mov cl, 1 |
||
505 | call e3c59x_print_hex |
||
506 | inc ebx |
||
507 | pop ecx |
||
508 | inc cl |
||
509 | cmp cl, 6 |
||
510 | jne .mac_loop |
||
511 | mov esi, e3c59x_mac_info_str |
||
512 | call sys_msg_board_str |
||
513 | ; print link type |
||
514 | mov esi, e3c59x_link_type_str |
||
515 | call sys_msg_board_str |
||
516 | xor eax, eax |
||
517 | bsr ax, word [e3c59x_link_type] |
||
518 | jz @f |
||
519 | sub ax, 4 |
||
520 | @@: |
||
521 | mov esi, [e3c59x_link_str+eax*4] |
||
522 | call sys_msg_board_str |
||
523 | mov esi, e3c59x_new_line_str |
||
524 | call sys_msg_board_str |
||
525 | popad |
||
526 | ret |
||
527 | |||
528 | ;*************************************************************************** |
||
529 | ; Function |
||
530 | ; e3c59x_print_hex |
||
531 | ; Description |
||
532 | ; prints a hexadecimal value |
||
533 | ; Parameters |
||
534 | ; eax - value to be printed out |
||
535 | ; ebx - where to print |
||
536 | ; cl - value size (1, 2, 4) |
||
537 | ; Return value |
||
538 | ; ebx - end address after the print |
||
539 | ; Destroyed registers |
||
540 | ; eax, ebx |
||
541 | ; |
||
542 | ;*************************************************************************** |
||
543 | align 4 |
||
544 | e3c59x_print_hex: |
||
545 | cmp cl, 1 |
||
546 | je .print_byte |
||
547 | cmp cl, 2 |
||
548 | jz .print_word |
||
549 | .print_dword: |
||
550 | push eax |
||
551 | bswap eax |
||
552 | xchg ah, al |
||
553 | call .print_word |
||
554 | pop eax |
||
555 | .print_word: |
||
556 | push eax |
||
557 | xchg ah, al |
||
558 | call .print_byte |
||
559 | pop eax |
||
560 | .print_byte: |
||
561 | movzx eax, al |
||
562 | push eax |
||
563 | and al, 0xf0 |
||
564 | shr al, 4 |
||
565 | mov al, byte [eax+e3c59x_charset] |
||
566 | mov [ebx], al |
||
567 | inc ebx |
||
568 | pop eax |
||
569 | and al, 0x0f |
||
570 | mov al, byte [eax+e3c59x_charset] |
||
571 | mov [ebx], al |
||
572 | inc ebx |
||
573 | ret |
||
574 | end if ; defined E3C59X_DEBUG |
||
575 | |||
576 | ;*************************************************************************** |
||
577 | ; Function |
||
578 | ; e3c59x_try_link_detect |
||
579 | ; Description |
||
580 | ; e3c59x_try_link_detect checks if link exists |
||
581 | ; Parameters |
||
582 | ; ebp - io_addr |
||
583 | ; Return value |
||
584 | ; al - 0 ; no link detected |
||
585 | ; al - 1 ; link detected |
||
586 | ; Destroyed registers |
||
587 | ; eax, ebx, ecx, edx, edi, esi |
||
588 | ; |
||
589 | ;*************************************************************************** |
||
590 | align 4 |
||
591 | e3c59x_try_link_detect: |
||
592 | ; download self-directed packet |
||
593 | mov edi, node_addr |
||
594 | mov bx, 0x0608 ; packet type |
||
595 | mov esi, e3c59x_self_directed_packet |
||
596 | mov ecx, 6 ; 6 + 6 + 2 + 6 = 20 bytes |
||
597 | call dword [e3c59x_transmit_function] |
||
598 | ; switch to register window 5 |
||
599 | lea edx, [ebp+E3C59X_REG_COMMAND] |
||
600 | mov ax, E3C59X_SELECT_REGISTER_WINDOW+5 |
||
601 | out dx, ax |
||
602 | ; program RxFilter for promiscuous operation |
||
603 | mov ax, (10000b shl 11) |
||
604 | lea edx, [ebp+E3C59X_REG_RX_FILTER] |
||
605 | in al, dx |
||
606 | or al, 1111b |
||
607 | lea edx, [ebp+E3C59X_REG_COMMAND] |
||
608 | out dx, ax |
||
609 | ; switch to register window 4 |
||
610 | mov ax, E3C59X_SELECT_REGISTER_WINDOW+4 |
||
611 | out dx, ax |
||
612 | ; check loop |
||
613 | xor ebx, ebx |
||
614 | mov ecx, 0xffff ; 65535 tries |
||
615 | .loop: |
||
616 | push ecx ebx |
||
617 | call dword [e3c59x_receive_function] |
||
618 | pop ebx ecx |
||
619 | test al, al |
||
620 | jnz .finish |
||
621 | .no_packet_received: |
||
622 | ; switch to register window 4 |
||
623 | lea edx, [ebp+E3C59X_REG_COMMAND] |
||
624 | mov ax, E3C59X_SELECT_REGISTER_WINDOW+4 |
||
625 | out dx, ax |
||
626 | ; read linkbeatdetect |
||
627 | lea edx, [ebp+E3C59X_REG_MEDIA_STATUS] |
||
628 | in ax, dx |
||
629 | test ah, 1000b ; test linkBeatDetect |
||
630 | jnz .link_detected |
||
631 | xor al, al |
||
632 | jmp .finish |
||
633 | .link_detected: |
||
634 | ; test carrierSense |
||
635 | test al, 100000b |
||
636 | jz .no_carrier_sense |
||
637 | inc ebx |
||
638 | .no_carrier_sense: |
||
639 | dec ecx |
||
640 | jns .loop |
||
641 | ; assume the link is good if 0 < ebx < 25 % |
||
642 | test ebx, ebx |
||
643 | setnz al |
||
644 | jz .finish |
||
645 | cmp ebx, 16384 ; 25% |
||
646 | setb al |
||
647 | .finish: |
||
648 | if defined E3C59X_DEBUG |
||
649 | test al, al |
||
650 | jz @f |
||
651 | or byte [e3c59x_link_type+1], 100b |
||
652 | @@: |
||
653 | end if ; defined E3C59X_DEBUG |
||
654 | ret |
||
655 | |||
656 | ;*************************************************************************** |
||
657 | ; Function |
||
658 | ; e3c59x_try_phy |
||
659 | ; Description |
||
660 | ; e3c59x_try_phy checks the auto-negotiation function |
||
661 | ; in the PHY at PHY index. It can also be extended to |
||
662 | ; include link detection for non-IEEE 802.3u |
||
663 | ; auto-negotiation devices, for instance the BCM5000. |
||
664 | ; Parameters |
||
665 | ; ah - PHY index |
||
666 | ; ebp - io_addr |
||
667 | ; Return value |
||
668 | ; al - 0 link is auto-negotiated |
||
669 | ; al - 1 no link is auto-negotiated |
||
670 | ; Destroyed registers |
||
671 | ; eax, ebx, ecx, edx, esi |
||
672 | ; |
||
673 | ;*************************************************************************** |
||
674 | align 4 |
||
675 | e3c59x_try_phy: |
||
676 | mov al, E3C59X_REG_MII_BMCR |
||
677 | push eax |
||
678 | call e3c59x_mdio_read ; returns with window #4 |
||
679 | or ah, 0x80 ; software reset |
||
680 | mov ebx, eax |
||
681 | pop eax |
||
682 | push eax |
||
683 | call e3c59x_mdio_write ; returns with window #4 |
||
684 | ; wait for reset to complete |
||
685 | mov esi, 2000 ; 2000ms = 2s |
||
686 | call delay_ms |
||
687 | pop eax |
||
688 | push eax |
||
689 | call e3c59x_mdio_read ; returns with window #4 |
||
690 | test ah, 0x80 |
||
691 | jnz .fail_finish |
||
692 | pop eax |
||
693 | push eax |
||
694 | ; wait for a while after reset |
||
695 | mov esi, 20 ; 20ms |
||
696 | call delay_ms |
||
697 | pop eax |
||
698 | push eax |
||
699 | mov al, E3C59X_REG_MII_BMSR |
||
700 | call e3c59x_mdio_read ; returns with window #4 |
||
701 | test al, 1 ; extended capability supported? |
||
702 | jz .no_ext_cap |
||
703 | ; auto-neg capable? |
||
704 | test al, 1000b |
||
705 | jz .fail_finish ; not auto-negotiation capable |
||
706 | ; auto-neg complete? |
||
707 | test al, 100000b |
||
708 | jnz .auto_neg_ok |
||
709 | ; restart auto-negotiation |
||
710 | pop eax |
||
711 | push eax |
||
712 | mov al, E3C59X_REG_MII_ANAR |
||
713 | push eax |
||
714 | call e3c59x_mdio_read ; returns with window #4 |
||
715 | or ax, (1111b shl 5) ; advertise only 10base-T and 100base-TX |
||
716 | mov ebx, eax |
||
717 | pop eax |
||
718 | call e3c59x_mdio_write ; returns with window #4 |
||
719 | pop eax |
||
720 | push eax |
||
721 | call e3c59x_mdio_read ; returns with window #4 |
||
722 | mov ebx, eax |
||
723 | or bh, 10010b ; restart auto-negotiation |
||
724 | pop eax |
||
725 | push eax |
||
726 | call e3c59x_mdio_write ; returns with window #4 |
||
727 | mov esi, 4000 ; 4000ms = 4 seconds |
||
728 | call delay_ms |
||
729 | pop eax |
||
730 | push eax |
||
731 | mov al, E3C59X_REG_MII_BMSR |
||
732 | call e3c59x_mdio_read ; returns with window #4 |
||
733 | test al, 100000b ; auto-neg complete? |
||
734 | jnz .auto_neg_ok |
||
735 | jmp .fail_finish |
||
736 | .auto_neg_ok: |
||
737 | ; compare advertisement and link partner ability registers |
||
738 | pop eax |
||
739 | push eax |
||
740 | mov al, E3C59X_REG_MII_ANAR |
||
741 | call e3c59x_mdio_read ; returns with window #4 |
||
742 | xchg eax, [esp] |
||
743 | mov al, E3C59X_REG_MII_ANLPAR |
||
744 | call e3c59x_mdio_read ; returns with window #4 |
||
745 | pop ebx |
||
746 | and eax, ebx |
||
747 | and eax, 1111100000b |
||
748 | push eax |
||
749 | if defined E3C59X_DEBUG |
||
750 | mov word [e3c59x_link_type], ax |
||
751 | end if ; defined E3C59X_DEBUG |
||
752 | ; switch to register window 3 |
||
753 | lea edx, [ebp+E3C59X_REG_COMMAND] |
||
754 | mov ax, E3C59X_SELECT_REGISTER_WINDOW+3 |
||
755 | out dx, ax |
||
756 | ; set full-duplex mode |
||
757 | lea edx, [ebp+E3C59X_REG_MAC_CONTROL] |
||
758 | in ax, dx |
||
759 | and ax, not 0x120 ; clear full duplex and flow control |
||
760 | pop ebx |
||
761 | test ebx, (1010b shl 5) ; check for full-duplex |
||
762 | jz .half_duplex |
||
763 | or ax, 0x120 ; set full duplex and flow control |
||
764 | .half_duplex: |
||
765 | out dx, ax |
||
766 | mov al, 1 |
||
767 | ret |
||
768 | .no_ext_cap: |
||
769 | ; not yet implemented BCM5000 |
||
770 | .fail_finish: |
||
771 | pop eax |
||
772 | xor al, al |
||
773 | ret |
||
774 | |||
775 | ;*************************************************************************** |
||
776 | ; Function |
||
777 | ; e3c59x_try_mii |
||
778 | ; Description |
||
779 | ; e3c59x_try_MII checks the on-chip auto-negotiation logic |
||
780 | ; or an off-chip MII PHY, depending upon what is set in |
||
781 | ; xcvrSelect by the caller. |
||
782 | ; It exits when it finds the first device with a good link. |
||
783 | ; Parameters |
||
784 | ; ebp - io_addr |
||
785 | ; Return value |
||
786 | ; al - 0 |
||
787 | ; al - 1 |
||
788 | ; Destroyed registers |
||
789 | ; eax, ebx, ecx, edx, esi |
||
790 | ; |
||
791 | ;*************************************************************************** |
||
792 | align 4 |
||
793 | e3c59x_try_mii: |
||
794 | ; switch to register window 3 |
||
795 | lea edx, [ebp+E3C59X_REG_COMMAND] |
||
796 | mov ax, E3C59X_SELECT_REGISTER_WINDOW+3 |
||
797 | out dx, ax |
||
798 | lea edx, [ebp+E3C59X_REG_INTERNAL_CONFIG] |
||
799 | in eax, dx |
||
800 | and eax, (1111b shl 20) |
||
801 | cmp eax, (1000b shl 20) ; is auto-negotiation set? |
||
802 | jne .mii_device |
||
803 | ; auto-negotiation is set |
||
804 | ; switch to register window 4 |
||
805 | lea edx, [ebp+E3C59X_REG_COMMAND] |
||
806 | mov ax, E3C59X_SELECT_REGISTER_WINDOW+4 |
||
807 | out dx, ax |
||
808 | ; PHY==24 is the on-chip auto-negotiation logic |
||
809 | ; it supports only 10base-T and 100base-TX |
||
810 | mov ah, 24 |
||
811 | call e3c59x_try_phy |
||
812 | test al, al |
||
813 | jz .fail_finish |
||
814 | mov cl, 24 |
||
815 | jmp .check_preamble |
||
816 | .mii_device: |
||
817 | cmp eax, (0110b shl 20) |
||
818 | jne .fail_finish |
||
819 | lea edx, [ebp+E3C59X_REG_COMMAND] |
||
820 | mov ax, E3C59X_SELECT_REGISTER_WINDOW+4 |
||
821 | out dx, ax |
||
822 | lea edx, [ebp+E3C59X_REG_PHYSICAL_MGMT] |
||
823 | in ax, dx |
||
824 | and al, (1 shl E3C59X_BIT_MGMT_DIR) or (1 shl E3C59X_BIT_MGMT_DATA) |
||
825 | cmp al, (1 shl E3C59X_BIT_MGMT_DATA) |
||
826 | je .serch_for_phy |
||
827 | xor al, al |
||
828 | ret |
||
829 | .serch_for_phy: |
||
830 | ; search for PHY |
||
831 | mov cl, 31 |
||
832 | .search_phy_loop: |
||
833 | cmp cl, 24 |
||
834 | je .next_phy |
||
835 | mov ah, cl ; ah = phy |
||
836 | mov al, E3C59X_REG_MII_BMCR ; al = Basic Mode Status Register |
||
837 | push ecx |
||
838 | call e3c59x_mdio_read |
||
839 | pop ecx |
||
840 | test ax, ax |
||
841 | jz .next_phy |
||
842 | cmp ax, 0xffff |
||
843 | je .next_phy |
||
844 | mov ah, cl ; ah = phy |
||
845 | push ecx |
||
846 | call e3c59x_try_phy |
||
847 | pop ecx |
||
848 | test al, al |
||
849 | jnz .check_preamble |
||
850 | .next_phy: |
||
851 | dec cl |
||
852 | jns .search_phy_loop |
||
853 | .fail_finish: |
||
854 | xor al, al |
||
855 | ret |
||
856 | ; epilog |
||
857 | .check_preamble: |
||
858 | push eax ; eax contains the return value of e3c59x_try_phy |
||
859 | ; check hard coded preamble forcing |
||
860 | movzx eax, byte [e3c59x_ver_id] |
||
861 | test word [eax*4+e3c59x_hw_versions+2], EXTRA_PREAMBLE |
||
862 | setnz [e3c59x_preamble] ; force preamble |
||
863 | jnz .finish |
||
864 | ; check mii for preamble suppression |
||
865 | mov ah, cl |
||
866 | mov al, E3C59X_REG_MII_BMSR |
||
867 | call e3c59x_mdio_read |
||
868 | test al, 1000000b ; preamble suppression? |
||
869 | setz [e3c59x_preamble] ; no |
||
870 | .finish: |
||
871 | pop eax |
||
872 | ret |
||
873 | |||
874 | ;*************************************************************************** |
||
875 | ; Function |
||
876 | ; e3c59x_test_packet |
||
877 | ; Description |
||
878 | ; e3c59x_try_loopback try a loopback packet for 10BASE2 or AUI port |
||
879 | ; Parameters |
||
880 | ; ebp - io_addr |
||
881 | ; Return value |
||
882 | ; al - 0 |
||
883 | ; al - 1 |
||
884 | ; Destroyed registers |
||
885 | ; eax, ebx, ecx, edx, edi, esi |
||
886 | ; |
||
887 | ;*************************************************************************** |
||
888 | align 4 |
||
889 | e3c59x_test_packet: |
||
890 | ; switch to register window 3 |
||
891 | lea edx, [ebp+E3C59X_REG_COMMAND] |
||
892 | mov ax, E3C59X_SELECT_REGISTER_WINDOW+3 |
||
893 | out dx, ax |
||
894 | ; set fullDuplexEnable in MacControl register |
||
895 | lea edx, [ebp+E3C59X_REG_MAC_CONTROL] |
||
896 | in ax, dx |
||
897 | or ax, 0x120 |
||
898 | out dx, ax |
||
899 | ; switch to register window 5 |
||
900 | lea edx, [ebp+E3C59X_REG_COMMAND] |
||
901 | mov ax, E3C59X_SELECT_REGISTER_WINDOW+5 |
||
902 | out dx, ax |
||
903 | ; set RxFilter to enable individual address matches |
||
904 | mov ax, (10000b shl 11) |
||
905 | lea edx, [ebp+E3C59X_REG_RX_FILTER] |
||
906 | in al, dx |
||
907 | or al, 1 |
||
908 | lea edx, [ebp+E3C59X_REG_COMMAND] |
||
909 | out dx, ax |
||
910 | ; issue RxEnable and TxEnable |
||
911 | call e3c59x_rx_reset |
||
912 | call e3c59x_tx_reset |
||
913 | ; download a self-directed test packet |
||
914 | mov edi, node_addr |
||
915 | mov bx, 0x0608 ; packet type |
||
916 | mov esi, e3c59x_self_directed_packet |
||
917 | mov ecx, 6 ; 6 + 6 + 2 + 6 = 20 bytes |
||
918 | call dword [e3c59x_transmit_function] |
||
919 | ; wait for 2s |
||
920 | mov esi, 2000 ; 2000ms = 2s |
||
921 | call delay_ms |
||
922 | ; check if self-directed packet is received |
||
923 | call dword [e3c59x_receive_function] |
||
924 | test al, al |
||
925 | jnz .finish |
||
926 | ; switch to register window 3 |
||
927 | lea edx, [ebp+E3C59X_REG_COMMAND] |
||
928 | mov ax, E3C59X_SELECT_REGISTER_WINDOW+3 |
||
929 | out dx, ax |
||
930 | ; clear fullDuplexEnable in MacControl register |
||
931 | lea edx, [ebp+E3C59X_REG_MAC_CONTROL] |
||
932 | in ax, dx |
||
933 | and ax, not 0x120 |
||
934 | out dx, ax |
||
935 | xor al, al |
||
936 | .finish: |
||
937 | ret |
||
938 | |||
939 | ;*************************************************************************** |
||
940 | ; Function |
||
941 | ; e3c59x_try_loopback |
||
942 | ; Description |
||
943 | ; tries a loopback packet for 10BASE2 or AUI port |
||
944 | ; Parameters |
||
945 | ; al - 0: 10Mbps AUI connector |
||
946 | ; 1: 10BASE-2 |
||
947 | ; ebp - io_addr |
||
948 | ; Return value |
||
949 | ; al - 0 |
||
950 | ; al - 1 |
||
951 | ; Destroyed registers |
||
952 | ; eax, ebx, ecx, edx, edi, esi |
||
953 | ; |
||
954 | ;*************************************************************************** |
||
955 | align 4 |
||
956 | e3c59x_try_loopback: |
||
957 | push eax |
||
958 | ; switch to register window 3 |
||
959 | lea edx, [ebp+E3C59X_REG_COMMAND] |
||
960 | mov ax, E3C59X_SELECT_REGISTER_WINDOW+3 |
||
961 | out dx, ax |
||
962 | pop eax |
||
963 | push eax |
||
964 | if defined E3C59X_DEBUG |
||
965 | mov bl, al |
||
966 | inc bl |
||
967 | shl bl, 3 |
||
968 | or byte [e3c59x_link_type+1], bl |
||
969 | end if ; defined E3C59X_DEBUG |
||
970 | test al, al ; aui or coax? |
||
971 | jz .complete_loopback |
||
972 | ; enable 100BASE-2 DC-DC converter |
||
973 | mov ax, (10b shl 11) ; EnableDcConverter |
||
974 | out dx, ax |
||
975 | .complete_loopback: |
||
976 | mov cl, 2 ; give a port 3 chances to complete a loopback |
||
977 | .next_try: |
||
978 | push ecx |
||
979 | call e3c59x_test_packet |
||
980 | pop ecx |
||
981 | test al, al |
||
982 | jnz .finish |
||
983 | dec cl |
||
984 | jns .next_try |
||
985 | .finish: |
||
986 | xchg eax, [esp] |
||
987 | test al, al |
||
988 | jz .aui_finish |
||
989 | ; issue DisableDcConverter command |
||
990 | lea edx, [ebp+E3C59X_REG_COMMAND] |
||
991 | mov ax, (10111b shl 11) |
||
992 | out dx, ax |
||
993 | .aui_finish: |
||
994 | pop eax ; al contains the result of operation |
||
995 | if defined E3C59X_DEBUG |
||
996 | test al, al |
||
997 | jnz @f |
||
998 | and byte [e3c59x_link_type+1], not 11000b |
||
999 | @@: |
||
1000 | end if ; defined E3C59X_DEBUG |
||
1001 | ret |
||
1002 | |||
1003 | ;*************************************************************************** |
||
1004 | ; Function |
||
1005 | ; e3c59x_set_available_media |
||
1006 | ; Description |
||
1007 | ; sets the first available media |
||
1008 | ; Parameters |
||
1009 | ; ebp - io_addr |
||
1010 | ; Return value |
||
1011 | ; al - 0 |
||
1012 | ; al - 1 |
||
1013 | ; Destroyed registers |
||
1014 | ; eax, edx |
||
1015 | ; |
||
1016 | ;*************************************************************************** |
||
1017 | align 4 |
||
1018 | e3c59x_set_available_media: |
||
1019 | ; switch to register window 3 |
||
1020 | lea edx, [ebp+E3C59X_REG_COMMAND] |
||
1021 | mov ax, E3C59X_SELECT_REGISTER_WINDOW+3 |
||
1022 | out dx, ax |
||
1023 | lea edx, [ebp+E3C59X_REG_INTERNAL_CONFIG] |
||
1024 | in eax, dx |
||
1025 | push eax |
||
1026 | lea edx, [ebp+E3C59X_REG_MEDIA_OPTIONS] |
||
1027 | in ax, dx |
||
1028 | test al, 10b |
||
1029 | jz @f |
||
1030 | ; baseTXAvailable |
||
1031 | pop eax |
||
1032 | and eax, not (1111b shl 20) |
||
1033 | or eax, (100b shl 20) |
||
1034 | if defined E3C59X_DEBUG & defined E3C59X_FORCE_FD |
||
1035 | mov word [e3c59x_link_type], (1 shl 8) |
||
1036 | else if defined E3C59X_DEBUG |
||
1037 | mov word [e3c59x_link_type], (1 shl 7) |
||
1038 | end if |
||
1039 | jmp .set_media |
||
1040 | @@: |
||
1041 | test al, 100b |
||
1042 | jz @f |
||
1043 | ; baseFXAvailable |
||
1044 | pop eax |
||
1045 | and eax, not (1111b shl 20) |
||
1046 | or eax, (101b shl 20) |
||
1047 | if defined E3C59X_DEBUG |
||
1048 | mov word [e3c59x_link_type], (1 shl 10) |
||
1049 | end if |
||
1050 | jmp .set_media |
||
1051 | @@: |
||
1052 | test al, 1000000b |
||
1053 | jz @f |
||
1054 | ; miiDevice |
||
1055 | pop eax |
||
1056 | and eax, not (1111b shl 20) |
||
1057 | or eax, (0110b shl 20) |
||
1058 | if defined E3C59X_DEBUG |
||
1059 | mov word [e3c59x_link_type], (1 shl 13) |
||
1060 | end if |
||
1061 | jmp .set_media |
||
1062 | @@: |
||
1063 | test al, 1000b |
||
1064 | jz @f |
||
1065 | .set_default: |
||
1066 | ; 10bTAvailable |
||
1067 | pop eax |
||
1068 | and eax, not (1111b shl 20) |
||
1069 | if defined E3C59X_DEBUG & defined E3C59X_FORCE_FD |
||
1070 | mov word [e3c59x_link_type], (1 shl 6) |
||
1071 | else if defined E3C59X_DEBUG |
||
1072 | mov word [e3c59x_link_type], (1 shl 5) |
||
1073 | end if ; E3C59X_FORCE_FD |
||
1074 | jmp .set_media |
||
1075 | @@: |
||
1076 | test al, 10000b |
||
1077 | jz @f |
||
1078 | ; coaxAvailable |
||
1079 | lea edx, [ebp+E3C59X_REG_COMMAND] |
||
1080 | mov ax, (10b shl 11) ; EnableDcConverter |
||
1081 | out dx, ax |
||
1082 | pop eax |
||
1083 | and eax, not (1111b shl 20) |
||
1084 | or eax, (11b shl 20) |
||
1085 | if defined E3C59X_DEBUG |
||
1086 | mov word [e3c59x_link_type], (1 shl 12) |
||
1087 | end if ; defined E3C59X_DEBUG |
||
1088 | jmp .set_media |
||
1089 | @@: |
||
1090 | test al, 10000b |
||
1091 | jz .set_default |
||
1092 | ; auiAvailable |
||
1093 | pop eax |
||
1094 | and eax, not (1111b shl 20) |
||
1095 | or eax, (1 shl 20) |
||
1096 | if defined E3C59X_DEBUG |
||
1097 | mov word [e3c59x_link_type], (1 shl 11) |
||
1098 | end if ; defined E3C59X_DEBUG |
||
1099 | .set_media: |
||
1100 | lea edx, [ebp+E3C59X_REG_INTERNAL_CONFIG] |
||
1101 | out dx, eax |
||
1102 | if defined E3C59X_FORCE_FD |
||
1103 | ; set fullDuplexEnable in MacControl register |
||
1104 | lea edx, [ebp+E3C59X_REG_MAC_CONTROL] |
||
1105 | in ax, dx |
||
1106 | or ax, 0x120 |
||
1107 | out dx, ax |
||
1108 | end if ; E3C59X_FORCE_FD |
||
1109 | mov al, 1 |
||
1110 | ret |
||
1111 | |||
1112 | ;*************************************************************************** |
||
1113 | ; Function |
||
1114 | ; e3c59x_set_active_port |
||
1115 | ; Description |
||
1116 | ; It selects the media port (transceiver) to be used |
||
1117 | ; Parameters: |
||
1118 | ; ebp - io_addr |
||
1119 | ; Return value: |
||
1120 | ; Destroyed registers |
||
1121 | ; eax, ebx, ecx, edx, edi, esi |
||
1122 | ; |
||
1123 | ;*************************************************************************** |
||
1124 | align 4 |
||
1125 | e3c59x_set_active_port: |
||
1126 | ; switch to register window 3 |
||
1127 | lea edx, [ebp+E3C59X_REG_COMMAND] |
||
1128 | mov ax, E3C59X_SELECT_REGISTER_WINDOW+3 |
||
1129 | out dx, ax |
||
1130 | lea edx, [ebp+E3C59X_REG_INTERNAL_CONFIG] |
||
1131 | in eax, dx |
||
1132 | test eax, (1 shl 24) ; check if autoselect enable |
||
1133 | jz .set_first_available_media |
||
1134 | ; check 100BASE-TX and 10BASE-T |
||
1135 | lea edx, [ebp+E3C59X_REG_MEDIA_OPTIONS] |
||
1136 | in ax, dx |
||
1137 | test al, 1010b ; check whether 100BASE-TX or 10BASE-T available |
||
1138 | jz .mii_device ; they are not available |
||
1139 | ; set auto-negotiation |
||
1140 | lea edx, [ebp+E3C59X_REG_INTERNAL_CONFIG] |
||
1141 | in eax, dx |
||
1142 | and eax, not (1111b shl 20) |
||
1143 | or eax, (1000b shl 20) |
||
1144 | out dx, eax |
||
1145 | call e3c59x_try_mii |
||
1146 | test al, al |
||
1147 | jz .mii_device |
||
1148 | ret |
||
1149 | .mii_device: |
||
1150 | ; switch to register window 3 |
||
1151 | lea edx, [ebp+E3C59X_REG_COMMAND] |
||
1152 | mov ax, E3C59X_SELECT_REGISTER_WINDOW+3 |
||
1153 | out dx, ax |
||
1154 | ; check for off-chip mii device |
||
1155 | lea edx, [ebp+E3C59X_REG_MEDIA_OPTIONS] |
||
1156 | in ax, dx |
||
1157 | test al, 1000000b ; check miiDevice |
||
1158 | jz .base_fx |
||
1159 | lea edx, [ebp+E3C59X_REG_INTERNAL_CONFIG] |
||
1160 | in eax, dx |
||
1161 | and eax, not (1111b shl 20) |
||
1162 | or eax, (0110b shl 20) ; set MIIDevice |
||
1163 | out dx, eax |
||
1164 | call e3c59x_try_mii |
||
1165 | test al, al |
||
1166 | jz .base_fx |
||
1167 | ret |
||
1168 | .base_fx: |
||
1169 | ; switch to register window 3 |
||
1170 | lea edx, [ebp+E3C59X_REG_COMMAND] |
||
1171 | mov ax, E3C59X_SELECT_REGISTER_WINDOW+3 |
||
1172 | out dx, ax |
||
1173 | ; check for 100BASE-FX |
||
1174 | lea edx, [ebp+E3C59X_REG_MEDIA_OPTIONS] |
||
1175 | in ax, dx ; read media option register |
||
1176 | test al, 100b ; check 100BASE-FX |
||
1177 | jz .aui_enable |
||
1178 | lea edx, [ebp+E3C59X_REG_INTERNAL_CONFIG] |
||
1179 | in eax, dx |
||
1180 | and eax, not (1111b shl 20) |
||
1181 | or eax, (0101b shl 20) ; set 100base-FX |
||
1182 | out dx, eax |
||
1183 | call e3c59x_try_link_detect |
||
1184 | test al, al |
||
1185 | jz .aui_enable |
||
1186 | ret |
||
1187 | .aui_enable: |
||
1188 | ; switch to register window 3 |
||
1189 | lea edx, [ebp+E3C59X_REG_COMMAND] |
||
1190 | mov ax, E3C59X_SELECT_REGISTER_WINDOW+3 |
||
1191 | out dx, ax |
||
1192 | ; check for 10Mbps AUI connector |
||
1193 | lea edx, [ebp+E3C59X_REG_MEDIA_OPTIONS] |
||
1194 | in ax, dx ; read media option register |
||
1195 | test al, 100000b ; check 10Mbps AUI connector |
||
1196 | jz .coax_available |
||
1197 | lea edx, [ebp+E3C59X_REG_INTERNAL_CONFIG] |
||
1198 | in eax, dx |
||
1199 | and eax, not (1111b shl 20) |
||
1200 | or eax, (0001b shl 20) ; set 10Mbps AUI connector |
||
1201 | out dx, eax |
||
1202 | xor al, al ; try 10Mbps AUI connector |
||
1203 | call e3c59x_try_loopback |
||
1204 | test al, al |
||
1205 | jz .coax_available |
||
1206 | ret |
||
1207 | .coax_available: |
||
1208 | ; switch to register window 3 |
||
1209 | lea edx, [ebp+E3C59X_REG_COMMAND] |
||
1210 | mov ax, E3C59X_SELECT_REGISTER_WINDOW+3 |
||
1211 | out dx, ax |
||
1212 | ; check for coaxial 10BASE-2 port |
||
1213 | lea edx, [ebp+E3C59X_REG_MEDIA_OPTIONS] |
||
1214 | in ax, dx ; read media option register |
||
1215 | test al, 10000b ; check 10BASE-2 |
||
1216 | jz .set_first_available_media |
||
1217 | lea edx, [ebp+E3C59X_REG_INTERNAL_CONFIG] |
||
1218 | in eax, dx |
||
1219 | and eax, not (1111b shl 20) |
||
1220 | or eax, (0011b shl 20) ; set 10BASE-2 |
||
1221 | out dx, eax |
||
1222 | mov al, 1 |
||
1223 | call e3c59x_try_loopback |
||
1224 | test al, al |
||
1225 | jz .set_first_available_media |
||
1226 | ret |
||
1227 | .set_first_available_media: |
||
1228 | jmp e3c59x_set_available_media |
||
1229 | |||
1230 | ;*************************************************************************** |
||
1231 | ; Function |
||
1232 | ; e3c59x_wake_up |
||
1233 | ; Description |
||
1234 | ; set the power state to D0 |
||
1235 | ; Destroyed registers |
||
1236 | ; eax, ebx, ecx, edx, edi, esi |
||
1237 | ; |
||
1238 | ;*************************************************************************** |
||
1239 | align 4 |
||
1240 | e3c59x_wake_up: |
||
1241 | ; wake up - we directly do it by programming PCI |
||
1242 | ; check if the device is power management capable |
||
1243 | mov al, 2 |
||
1244 | mov ah, [pci_bus] |
||
1245 | mov bl, PCI_REG_STATUS |
||
1246 | mov bh, [pci_dev] |
||
1247 | push eax ebx |
||
1248 | call pci_read_reg |
||
1249 | test al, 10000b ; is there "new capabilities" linked list? |
||
1250 | pop ebx eax |
||
1251 | jz .device_awake |
||
1252 | ; search for power management register |
||
1253 | mov al, 1 |
||
1254 | mov bl, PCI_REG_CAP_PTR |
||
1255 | push eax ebx |
||
1256 | call pci_read_reg |
||
1257 | mov cl, al |
||
1258 | cmp cl, 0x3f |
||
1259 | pop ebx eax |
||
1260 | jbe .device_awake |
||
1261 | ; traverse the list |
||
1262 | mov al, 2 |
||
1263 | .pm_loop: |
||
1264 | mov bl, cl |
||
1265 | push eax ebx |
||
1266 | call pci_read_reg |
||
1267 | cmp al, 1 |
||
1268 | je .set_pm_state |
||
1269 | test ah, ah |
||
1270 | mov cl, ah |
||
1271 | pop ebx eax |
||
1272 | jnz .pm_loop |
||
1273 | jmp .device_awake |
||
1274 | ; waku up the device if necessary |
||
1275 | .set_pm_state: |
||
1276 | pop ebx eax |
||
1277 | add bl, PCI_REG_PM_CTRL |
||
1278 | push eax ebx |
||
1279 | call pci_read_reg |
||
1280 | mov cx, ax |
||
1281 | test cl, 3 |
||
1282 | pop ebx eax |
||
1283 | jz .device_awake |
||
1284 | and cl, not 11b ; set state to D0 |
||
1285 | call pci_write_reg |
||
1286 | .device_awake: |
||
1287 | ret |
||
1288 | |||
1289 | ;*************************************************************************** |
||
1290 | ; Function |
||
1291 | ; e3c59x_probe |
||
1292 | ; Description |
||
1293 | ; Searches for an ethernet card, enables it and clears the rx buffer |
||
1294 | ; If a card was found, it enables the ethernet -> TCPIP link |
||
1295 | ; Destroyed registers |
||
1296 | ; eax, ebx, ecx, edx, edi, esi |
||
1297 | ; |
||
1298 | ;*************************************************************************** |
||
1299 | align 4 |
||
1300 | e3c59x_probe: |
||
1301 | movzx ebp, word [io_addr] |
||
1302 | mov al, 2 |
||
1303 | mov ah, [pci_bus] |
||
1304 | mov bh, [pci_dev] |
||
1305 | mov bl, PCI_REG_COMMAND |
||
1306 | push ebp eax ebx |
||
1307 | call pci_read_reg |
||
1308 | mov cx, ax |
||
1309 | or cl, (1 shl PCI_BIT_MASTER) or (1 shl PCI_BIT_PIO) |
||
1310 | and cl, not (1 shl PCI_BIT_MMIO) |
||
1311 | pop ebx eax |
||
1312 | call pci_write_reg |
||
1313 | ; wake up the card |
||
1314 | call e3c59x_wake_up |
||
1315 | pop ebp |
||
1316 | ; get chip version |
||
1317 | mov ax, [pci_data+2] |
||
1318 | mov ecx, E3C59X_HW_VERSIONS_SIZE/4-1 |
||
1319 | .chip_ver_loop: |
||
1320 | cmp ax, [e3c59x_hw_versions+ecx*4] |
||
1321 | jz .chip_ver_found |
||
1322 | dec ecx |
||
1323 | jns .chip_ver_loop |
||
1324 | xor ecx, ecx |
||
1325 | .chip_ver_found: |
||
1326 | mov [e3c59x_ver_id], cl |
||
1327 | test word [e3c59x_hw_versions+2+ecx*4], HAS_HWCKSM |
||
1328 | setnz [e3c59x_has_hwcksm] |
||
1329 | ; set pci latency for vortex cards |
||
1330 | test word [e3c59x_hw_versions+2+ecx*4], IS_VORTEX |
||
1331 | jz .not_vortex |
||
1332 | mov cx, 11111000b ; 248 = max latency |
||
1333 | mov al, 1 |
||
1334 | mov ah, [pci_bus] |
||
1335 | mov bl, PCI_REG_LATENCY |
||
1336 | mov bh, [pci_dev] |
||
1337 | call pci_write_reg |
||
1338 | .not_vortex: |
||
1339 | ; set RX/TX functions |
||
1340 | mov ax, E3C59X_EEPROM_REG_CAPABILITIES |
||
1341 | call e3c59x_read_eeprom |
||
1342 | test al, 100000b ; full bus master? |
||
1343 | setnz [e3c59x_full_bus_master] |
||
1344 | jnz .boomerang_func |
||
1345 | mov dword [e3c59x_transmit_function], e3c59x_vortex_transmit |
||
1346 | mov dword [e3c59x_receive_function], e3c59x_vortex_poll |
||
1347 | jmp @f |
||
1348 | .boomerang_func: ; full bus master, so use boomerang functions |
||
1349 | mov dword [e3c59x_transmit_function], e3c59x_boomerang_transmit |
||
1350 | mov dword [e3c59x_receive_function], e3c59x_boomerang_poll |
||
1351 | @@: |
||
1352 | ; read MAC from eeprom |
||
1353 | mov ecx, 2 |
||
1354 | .mac_loop: |
||
1355 | lea ax, [E3C59X_EEPROM_REG_OEM_NODE_ADDR+ecx] |
||
1356 | call e3c59x_read_eeprom |
||
1357 | xchg ah, al ; htons |
||
1358 | mov [node_addr+ecx*2], ax |
||
1359 | dec ecx |
||
1360 | jns .mac_loop |
||
1361 | test byte [e3c59x_full_bus_master], 0xff |
||
1362 | jz .set_preamble |
||
1363 | ; switch to register window 2 |
||
1364 | lea edx, [ebp+E3C59X_REG_COMMAND] |
||
1365 | mov ax, E3C59X_SELECT_REGISTER_WINDOW+2 |
||
1366 | out dx, ax |
||
1367 | ; activate xcvr by setting some magic bits |
||
1368 | lea edx, [ebp+E3C59X_REG_RESET_OPTIONS] |
||
1369 | in ax, dx |
||
1370 | and ax, not 0x4010 |
||
1371 | movzx ebx, byte [e3c59x_ver_id] |
||
1372 | test word [ebx*4+e3c59x_hw_versions+2], INVERT_LED_PWR |
||
1373 | jz @f |
||
1374 | or al, 0x10 |
||
1375 | @@: |
||
1376 | test word [ebx*4+e3c59x_hw_versions+2], INVERT_MII_PWR |
||
1377 | jz @f |
||
1378 | or ah, 0x40 |
||
1379 | @@: |
||
1380 | out dx, ax |
||
1381 | .set_preamble: |
||
1382 | ; use preamble as default |
||
1383 | mov byte [e3c59x_preamble], 1 ; enable preamble |
||
1384 | |||
1385 | ;*************************************************************************** |
||
1386 | ; Function |
||
1387 | ; e3c59x_reset |
||
1388 | ; Description |
||
1389 | ; Place the chip (ie, the ethernet card) into a virgin state |
||
1390 | ; Destroyed registers |
||
1391 | ; eax, ebx, ecx, edx, edi, esi |
||
1392 | ; |
||
1393 | ;*************************************************************************** |
||
1394 | e3c59x_reset: |
||
1395 | ; issue global reset |
||
1396 | call e3c59x_global_reset |
||
1397 | ; disable interrupts |
||
1398 | lea edx, [ebp+E3C59X_REG_COMMAND] |
||
1399 | mov ax, (1110b shl 11) |
||
1400 | out dx, ax |
||
1401 | ; enable Statistics |
||
1402 | mov ax, (10101b shl 11) |
||
1403 | out dx, ax |
||
1404 | ; set indication |
||
1405 | mov ax, (1111b shl 11) or 0x6c6 |
||
1406 | out dx, ax |
||
1407 | ; acknowledge (clear) every interrupt indicator |
||
1408 | mov ax, (1101b shl 11) or 0x661 |
||
1409 | out dx, ax |
||
1410 | ; switch to register window 2 |
||
1411 | mov ax, E3C59X_SELECT_REGISTER_WINDOW+2 |
||
1412 | out dx, ax |
||
1413 | ; write MAC addres back into the station address registers |
||
1414 | lea edx, [ebp+E3C59X_REG_STATION_ADDRESS_LO] |
||
1415 | mov esi, node_addr |
||
1416 | cld |
||
1417 | outsw |
||
1418 | add edx, 2 |
||
1419 | outsw |
||
1420 | add edx, 2 |
||
1421 | outsw |
||
1422 | add edx, 2 |
||
1423 | ; clear station mask |
||
1424 | xor eax, eax |
||
1425 | out dx, ax |
||
1426 | add edx, 2 |
||
1427 | out dx, ax |
||
1428 | add edx, 2 |
||
1429 | out dx, ax |
||
1430 | ; switch to register window 6 |
||
1431 | lea edx, [ebp+E3C59X_REG_COMMAND] |
||
1432 | mov ax, E3C59X_SELECT_REGISTER_WINDOW+6 |
||
1433 | out dx, ax |
||
1434 | ; clear all statistics by reading |
||
1435 | lea edx, [ebp+E3C59X_REG_CARRIER_LOST] |
||
1436 | mov cl, 9 |
||
1437 | .stat_clearing_loop: |
||
1438 | in al, dx |
||
1439 | inc edx |
||
1440 | dec cl |
||
1441 | jns .stat_clearing_loop |
||
1442 | in ax, dx |
||
1443 | add dx, 2 |
||
1444 | in ax, dx |
||
1445 | ; switch to register window 4 |
||
1446 | lea edx, [ebp+E3C59X_REG_COMMAND] |
||
1447 | mov ax, E3C59X_SELECT_REGISTER_WINDOW+4 |
||
1448 | out dx, ax |
||
1449 | ; clear BadSSD |
||
1450 | lea edx, [ebp+E3C59X_REG_BAD_SSD] |
||
1451 | in al, dx |
||
1452 | ; clear extra statistics bit in NetworkDiagnostic |
||
1453 | lea edx, [ebp+E3C59X_REG_NETWORK_DIAGNOSTIC] |
||
1454 | in ax, dx |
||
1455 | or ax, 0x0040 |
||
1456 | out dx, ax |
||
1457 | ; SetRxEarlyThreshold |
||
1458 | lea edx, [ebp+E3C59X_REG_COMMAND] |
||
1459 | mov ax, (10001b shl 11)+(E3C59X_MAX_ETH_PKT_SIZE shr 2) |
||
1460 | out dx, ax |
||
1461 | test byte [e3c59x_full_bus_master], 0xff |
||
1462 | jz .skip_boomerang_setting |
||
1463 | ; set upRxEarlyEnable |
||
1464 | lea edx, [ebp+E3C59X_REG_DMA_CTRL] |
||
1465 | in eax, dx |
||
1466 | or eax, 0x20 |
||
1467 | out dx, eax |
||
1468 | ; TxFreeThreshold |
||
1469 | lea edx, [ebp+E3C59X_REG_TX_FREE_THRESH] |
||
1470 | mov al, (E3C59X_MAX_ETH_PKT_SIZE / 256) |
||
1471 | out dx, al |
||
1472 | ; program DnListPtr |
||
1473 | lea edx, [ebp+E3C59X_REG_DN_LIST_PTR] |
||
1474 | xor eax, eax |
||
1475 | out dx, eax |
||
1476 | .skip_boomerang_setting: |
||
1477 | ; initialization |
||
1478 | call e3c59x_rx_reset |
||
1479 | call e3c59x_tx_reset |
||
1480 | call e3c59x_set_active_port |
||
1481 | call e3c59x_rx_reset |
||
1482 | call e3c59x_tx_reset |
||
1483 | ; switch to register window 5 |
||
1484 | lea edx, [ebp+E3C59X_REG_COMMAND] |
||
1485 | mov ax, E3C59X_SELECT_REGISTER_WINDOW+5 |
||
1486 | out dx, ax |
||
1487 | ; program RxFilter for promiscuous operation |
||
1488 | mov ax, (10000b shl 11) |
||
1489 | lea edx, [ebp+E3C59X_REG_RX_FILTER] |
||
1490 | in al, dx |
||
1491 | or al, 1111b |
||
1492 | lea edx, [ebp+E3C59X_REG_COMMAND] |
||
1493 | out dx, ax |
||
1494 | ; switch to register window 4 |
||
1495 | mov ax, E3C59X_SELECT_REGISTER_WINDOW+4 |
||
1496 | out dx, ax |
||
1497 | ; wait for linkDetect |
||
1498 | lea edx, [ebp+E3C59X_REG_MEDIA_STATUS] |
||
1499 | mov cl, 20 ; wait for max 2s |
||
1500 | mov esi, 100 ; 100ms |
||
1501 | .link_detect_loop: |
||
1502 | call delay_ms |
||
1503 | in ax, dx |
||
1504 | test ah, 1000b ; linkDetect |
||
1505 | jnz @f |
||
1506 | dec cl |
||
1507 | jnz .link_detect_loop |
||
1508 | @@: |
||
1509 | ; Indicate that we have successfully reset the card |
||
1510 | mov eax, [pci_data] |
||
1511 | mov [eth_status], eax |
||
1512 | if defined E3C59X_DEBUG |
||
1513 | call e3c59x_debug |
||
1514 | end if ; defined E3C59X_DEBUG |
||
1515 | ret |
||
1516 | |||
1517 | ;*************************************************************************** |
||
1518 | ; Function |
||
1519 | ; e3c59x_global_reset |
||
1520 | ; Description |
||
1521 | ; resets the device |
||
1522 | ; Parameters: |
||
1523 | ; ebp - io_addr |
||
1524 | ; Return value: |
||
1525 | ; Destroyed registers |
||
1526 | ; ax, ecx, edx, esi |
||
1527 | ; |
||
1528 | ;*************************************************************************** |
||
1529 | align 4 |
||
1530 | e3c59x_global_reset: |
||
1531 | ; GlobalReset |
||
1532 | lea edx, [ebp+E3C59X_REG_COMMAND] |
||
1533 | xor eax, eax |
||
1534 | ; or al, 0x14 |
||
1535 | out dx, ax |
||
1536 | ; wait for GlobalReset to complete |
||
1537 | mov ecx, 64000 |
||
1538 | .global_reset_loop: |
||
1539 | in ax, dx |
||
1540 | test ah, 10000b ; check CmdInProgress |
||
1541 | jz .finish |
||
1542 | dec ecx |
||
1543 | jnz .global_reset_loop |
||
1544 | .finish: |
||
1545 | ; wait for 2 seconds for NIC to boot |
||
1546 | mov esi, 2000 ; 2000ms = 2s |
||
1547 | push ebp |
||
1548 | call delay_ms |
||
1549 | pop ebp |
||
1550 | ret |
||
1551 | |||
1552 | ;*************************************************************************** |
||
1553 | ; Function |
||
1554 | ; e3c59x_tx_reset |
||
1555 | ; Description |
||
1556 | ; resets and enables transmitter engine |
||
1557 | ; Parameters: |
||
1558 | ; ebp - io_addr |
||
1559 | ; Return value: |
||
1560 | ; Destroyed registers |
||
1561 | ; ax, ecx, edx |
||
1562 | ; |
||
1563 | ;*************************************************************************** |
||
1564 | align 4 |
||
1565 | e3c59x_tx_reset: |
||
1566 | ; TxReset |
||
1567 | lea edx, [ebp+E3C59X_REG_COMMAND] |
||
1568 | mov ax, (01011b shl 11) |
||
1569 | out dx, ax |
||
1570 | ; wait for TxReset to complete |
||
1571 | mov ecx, 2000 |
||
1572 | .tx_reset_loop: |
||
1573 | in ax, dx |
||
1574 | test ah, 10000b ; check CmdInProgress |
||
1575 | jz .tx_enable |
||
1576 | dec ecx |
||
1577 | jns .tx_reset_loop |
||
1578 | test byte [e3c59x_full_bus_master], 0xff |
||
1579 | jz .tx_enable |
||
1580 | ; init last_dpd |
||
1581 | mov dword [e3c59x_prev_dpd], e3c59x_dpd_buff+(E3C59X_NUM_TX_DESC-1)*E3C59X_DPD_SIZE |
||
1582 | mov dword [e3c59x_prev_tx_frame], e3c59x_tx_buff+(E3C59X_NUM_TX_DESC-1)*E3C59X_MAX_ETH_FRAME_SIZE |
||
1583 | .tx_enable: |
||
1584 | mov ax, (01001b shl 11) ; TxEnable |
||
1585 | out dx, ax |
||
1586 | ret |
||
1587 | |||
1588 | ;*************************************************************************** |
||
1589 | ; Function |
||
1590 | ; e3c59x_rx_reset |
||
1591 | ; Description |
||
1592 | ; resets and enables receiver engine |
||
1593 | ; Parameters: |
||
1594 | ; ebp - io_addr |
||
1595 | ; Return value: |
||
1596 | ; Destroyed registers |
||
1597 | ; eax, ebx, ecx, edx, edi, esi |
||
1598 | ; |
||
1599 | ;*************************************************************************** |
||
1600 | align 4 |
||
1601 | e3c59x_rx_reset: |
||
1602 | lea edx, [ebp+E3C59X_REG_COMMAND] |
||
1603 | mov ax, (0101b shl 11) or 0x4 ; RxReset |
||
1604 | out dx, ax |
||
1605 | ; wait for RxReset to complete |
||
1606 | mov ecx, 200000 |
||
1607 | .rx_reset_loop: |
||
1608 | in ax, dx |
||
1609 | test ah, 10000b ; check CmdInProgress |
||
1610 | jz .setup_upd |
||
1611 | dec ecx |
||
1612 | jns .rx_reset_loop |
||
1613 | .setup_upd: |
||
1614 | ; check if full bus mastering |
||
1615 | test byte [e3c59x_full_bus_master], 0xff |
||
1616 | jz .rx_enable |
||
1617 | ; create upd ring |
||
1618 | mov eax, e3c59x_upd_buff |
||
1619 | zero_to_virt eax |
||
1620 | mov [e3c59x_curr_upd], eax |
||
1621 | mov esi, eax |
||
1622 | virt_to_dma esi |
||
1623 | mov edi, e3c59x_rx_buff |
||
1624 | zero_to_dma edi |
||
1625 | mov ebx, e3c59x_upd_buff+(E3C59X_NUM_RX_DESC-1)*E3C59X_UPD_SIZE |
||
1626 | zero_to_virt ebx |
||
1627 | mov cl, E3C59X_NUM_RX_DESC-1 |
||
1628 | .upd_loop: |
||
1629 | mov [ebx+E3C59X_UPD_UP_NEXT_PTR], esi |
||
1630 | and dword [eax+E3C59X_UPD_PKT_STATUS], 0 |
||
1631 | mov [eax+E3C59X_UPD_UP_FRAG_ADDR], edi |
||
1632 | mov dword [eax+E3C59X_UPD_UP_FRAG_LEN], E3C59X_MAX_ETH_FRAME_SIZE or (1 shl 31) |
||
1633 | add edi, E3C59X_MAX_ETH_FRAME_SIZE |
||
1634 | add esi, E3C59X_UPD_SIZE |
||
1635 | mov ebx, eax |
||
1636 | add eax, E3C59X_UPD_SIZE |
||
1637 | dec cl |
||
1638 | jns .upd_loop |
||
1639 | mov eax, e3c59x_upd_buff |
||
1640 | zero_to_dma eax |
||
1641 | lea edx, [ebp+E3C59X_REG_UP_LIST_PTR] |
||
1642 | out dx, eax ; write E3C59X_REG_UP_LIST_PTR |
||
1643 | lea edx, [ebp+E3C59X_REG_COMMAND] |
||
1644 | .rx_enable: |
||
1645 | mov ax, (00100b shl 11) ; RxEnable |
||
1646 | out dx, ax |
||
1647 | ret |
||
1648 | |||
1649 | ;*************************************************************************** |
||
1650 | ; Function |
||
1651 | ; e3c59x_write_eeprom |
||
1652 | ; Description |
||
1653 | ; reads eeprom |
||
1654 | ; Note : the caller must switch to the register window 0 |
||
1655 | ; before calling this function |
||
1656 | ; Parameters: |
||
1657 | ; ax - register to be read (only the first 63 words can be read) |
||
1658 | ; cx - value to be read into the register |
||
1659 | ; Return value: |
||
1660 | ; ax - word read |
||
1661 | ; Destroyed registers |
||
1662 | ; ax, ebx, edx |
||
1663 | ; |
||
1664 | ;*************************************************************************** |
||
1665 | ; align 4 |
||
1666 | ;e3c59x_write_eeprom: |
||
1667 | ; mov edx, [io_addr] |
||
1668 | ; add edx, E3C59X_REG_EEPROM_COMMAND |
||
1669 | ; cmp ah, 11b |
||
1670 | ; ja .finish ; address may have a value of maximal 1023 |
||
1671 | ; shl ax, 2 |
||
1672 | ; shr al, 2 |
||
1673 | ; push eax |
||
1674 | ;; wait for busy |
||
1675 | ; mov ebx, 0xffff |
||
1676 | ;@@: |
||
1677 | ; in ax, dx |
||
1678 | ; test ah, 0x80 |
||
1679 | ; jz .write_enable |
||
1680 | ; dec ebx |
||
1681 | ; jns @r |
||
1682 | ;; write enable |
||
1683 | ;.write_enable: |
||
1684 | ; xor eax, eax |
||
1685 | ; mov eax, (11b shl 4) |
||
1686 | ; out dx, ax |
||
1687 | ;; wait for busy |
||
1688 | ; mov ebx, 0xffff |
||
1689 | ;@@: |
||
1690 | ; in ax, dx |
||
1691 | ; test ah, 0x80 |
||
1692 | ; jz .erase_loop |
||
1693 | ; dec ebx |
||
1694 | ; jns @r |
||
1695 | ;.erase_loop: |
||
1696 | ; pop eax |
||
1697 | ; push eax |
||
1698 | ; or ax, (11b shl 6) ; erase register |
||
1699 | ; out dx, ax |
||
1700 | ; mov ebx, 0xffff |
||
1701 | ;@@: |
||
1702 | ; in ax, dx |
||
1703 | ; test ah, 0x80 |
||
1704 | ; jz .write_reg |
||
1705 | ; dec ebx |
||
1706 | ; jns @r |
||
1707 | ;.write_reg: |
||
1708 | ; add edx, E3C59X_REG_EEPROM_DATA-E3C59X_REG_EEPROM_COMMAND |
||
1709 | ; mov eax, ecx |
||
1710 | ; out dx, ax |
||
1711 | ;; write enable |
||
1712 | ; add edx, E3C59X_REG_EEPROM_COMMAND-E3C59X_REG_EEPROM_DATA |
||
1713 | ; xor eax, eax |
||
1714 | ; mov eax, (11b shl 4) |
||
1715 | ; out dx, ax |
||
1716 | ; wait for busy |
||
1717 | ; mov ebx, 0xffff |
||
1718 | ;@@: |
||
1719 | ; in ax, dx |
||
1720 | ; test ah, 0x80 |
||
1721 | ; jz .issue_write_reg |
||
1722 | ; dec ebx |
||
1723 | ; jns @r |
||
1724 | ;.issue_write_reg: |
||
1725 | ; pop eax |
||
1726 | ; or ax, 01b shl 6 |
||
1727 | ; out dx, ax |
||
1728 | ;.finish: |
||
1729 | ; ret |
||
1730 | ;*************************************************************************** |
||
1731 | ; Function |
||
1732 | ; e3c59x_read_eeprom |
||
1733 | ; Description |
||
1734 | ; reads eeprom |
||
1735 | ; Parameters: |
||
1736 | ; ax - register to be read (only the first 63 words can be read) |
||
1737 | ; ebp - io_addr |
||
1738 | ; Return value: |
||
1739 | ; ax - word read |
||
1740 | ; Destroyed registers |
||
1741 | ; ax, ebx, edx, ebp |
||
1742 | ; |
||
1743 | ;*************************************************************************** |
||
1744 | align 4 |
||
1745 | e3c59x_read_eeprom: |
||
1746 | push eax |
||
1747 | ; switch to register window 0 |
||
1748 | lea edx, [ebp+E3C59X_REG_COMMAND] |
||
1749 | mov ax, E3C59X_SELECT_REGISTER_WINDOW+0 |
||
1750 | out dx, ax |
||
1751 | pop eax |
||
1752 | and ax, 111111b ; take only the first 6 bits into account |
||
1753 | movzx ebx, byte [e3c59x_ver_id] |
||
1754 | test word [ebx*4+e3c59x_hw_versions+2], EEPROM_8BIT |
||
1755 | jz @f |
||
1756 | add ax, 0x230 ; hardware constant |
||
1757 | jmp .read |
||
1758 | @@: |
||
1759 | add ax, E3C59X_EEPROM_CMD_READ |
||
1760 | test word [ebx*4+e3c59x_hw_versions+2], EEPROM_OFFSET |
||
1761 | jz .read |
||
1762 | add ax, 0x30 |
||
1763 | .read: |
||
1764 | lea edx, [ebp+E3C59X_REG_EEPROM_COMMAND] |
||
1765 | out dx, ax |
||
1766 | mov ebx, 0xffff ; duration of about 162 us ;-) |
||
1767 | .wait_for_reading: |
||
1768 | in ax, dx |
||
1769 | test ah, 0x80 ; check bit eepromBusy |
||
1770 | jz .read_data |
||
1771 | dec ebx |
||
1772 | jns .wait_for_reading |
||
1773 | .read_data: |
||
1774 | lea edx, [ebp+E3C59X_REG_EEPROM_DATA] |
||
1775 | in ax, dx |
||
1776 | ret |
||
1777 | |||
1778 | ;*************************************************************************** |
||
1779 | ; Function |
||
1780 | ; e3c59x_mdio_sync |
||
1781 | ; Description |
||
1782 | ; initial synchronization |
||
1783 | ; Parameters |
||
1784 | ; ebp - io_addr |
||
1785 | ; Return value |
||
1786 | ; Destroyed registers |
||
1787 | ; ax, edx, cl |
||
1788 | ; |
||
1789 | ;*************************************************************************** |
||
1790 | align 4 |
||
1791 | e3c59x_mdio_sync: |
||
1792 | ; switch to register window 4 |
||
1793 | lea edx, [ebp+E3C59X_REG_COMMAND] |
||
1794 | mov ax, E3C59X_SELECT_REGISTER_WINDOW+4 |
||
1795 | out dx, ax |
||
1796 | cmp byte [e3c59x_preamble], 0 |
||
1797 | je .no_preamble |
||
1798 | ; send 32 logic ones |
||
1799 | lea edx, [ebp+E3C59X_REG_PHYSICAL_MGMT] |
||
1800 | mov cl, 31 |
||
1801 | .loop: |
||
1802 | mov ax, (1 shl E3C59X_BIT_MGMT_DATA) or (1 shl E3C59X_BIT_MGMT_DIR) |
||
1803 | out dx, ax |
||
1804 | in ax, dx ; delay |
||
1805 | mov ax, (1 shl E3C59X_BIT_MGMT_DATA) \ |
||
1806 | or (1 shl E3C59X_BIT_MGMT_DIR) \ |
||
1807 | or (1 shl E3C59X_BIT_MGMT_CLK) |
||
1808 | out dx, ax |
||
1809 | in ax, dx ; delay |
||
1810 | dec cl |
||
1811 | jns .loop |
||
1812 | .no_preamble: |
||
1813 | ret |
||
1814 | |||
1815 | ;*************************************************************************** |
||
1816 | ; Function |
||
1817 | ; e3c59x_mdio_read |
||
1818 | ; Description |
||
1819 | ; read MII register |
||
1820 | ; see page 16 in D83840A.pdf |
||
1821 | ; Parameters |
||
1822 | ; ah - PHY addr |
||
1823 | ; al - register addr |
||
1824 | ; ebp - io_addr |
||
1825 | ; Return value |
||
1826 | ; ax - register read |
||
1827 | ; Destroyed registers |
||
1828 | ; eax, ebx, cx, edx |
||
1829 | ; |
||
1830 | ;*************************************************************************** |
||
1831 | align 4 |
||
1832 | e3c59x_mdio_read: |
||
1833 | push eax |
||
1834 | call e3c59x_mdio_sync ; returns with window #4 |
||
1835 | pop eax |
||
1836 | lea edx, [ebp+E3C59X_REG_PHYSICAL_MGMT] |
||
1837 | shl al, 3 |
||
1838 | shr ax, 3 |
||
1839 | and ax, not E3C59X_MII_CMD_MASK |
||
1840 | or ax, E3C59X_MII_CMD_READ |
||
1841 | mov ebx, eax |
||
1842 | xor ecx, ecx |
||
1843 | mov cl, 13 |
||
1844 | .cmd_loop: |
||
1845 | mov ax, (1 shl E3C59X_BIT_MGMT_DIR) ; write mii |
||
1846 | bt ebx, ecx |
||
1847 | jnc .zero_bit |
||
1848 | or al, (1 shl E3C59X_BIT_MGMT_DATA) |
||
1849 | .zero_bit: |
||
1850 | out dx, ax |
||
1851 | push eax |
||
1852 | in ax, dx ; delay |
||
1853 | pop eax |
||
1854 | or al, (1 shl E3C59X_BIT_MGMT_CLK) ; write |
||
1855 | out dx, ax |
||
1856 | in ax, dx ; delay |
||
1857 | dec cl |
||
1858 | jns .cmd_loop |
||
1859 | ; read data (18 bits with the two transition bits) |
||
1860 | mov cl, 17 |
||
1861 | xor ebx, ebx |
||
1862 | .read_loop: |
||
1863 | shl ebx, 1 |
||
1864 | xor eax, eax ; read comand |
||
1865 | out dx, ax |
||
1866 | in ax, dx ; delay |
||
1867 | in ax, dx |
||
1868 | test al, (1 shl E3C59X_BIT_MGMT_DATA) |
||
1869 | jz .dont_set |
||
1870 | inc ebx |
||
1871 | .dont_set: |
||
1872 | mov ax, (1 shl E3C59X_BIT_MGMT_CLK) |
||
1873 | out dx, ax |
||
1874 | in ax, dx ; delay |
||
1875 | dec cl |
||
1876 | jns .read_loop |
||
1877 | mov eax, ebx |
||
1878 | ret |
||
1879 | |||
1880 | ;*************************************************************************** |
||
1881 | ; Function |
||
1882 | ; e3c59x_mdio_write |
||
1883 | ; Description |
||
1884 | ; write MII register |
||
1885 | ; see page 16 in D83840A.pdf |
||
1886 | ; Parameters |
||
1887 | ; ah - PHY addr |
||
1888 | ; al - register addr |
||
1889 | ; bx - word to be written |
||
1890 | ; ebp - io_addr |
||
1891 | ; Return value |
||
1892 | ; ax - register read |
||
1893 | ; Destroyed registers |
||
1894 | ; eax, ebx, cx, edx |
||
1895 | ; |
||
1896 | ;*************************************************************************** |
||
1897 | align 4 |
||
1898 | e3c59x_mdio_write: |
||
1899 | push eax |
||
1900 | call e3c59x_mdio_sync |
||
1901 | pop eax |
||
1902 | lea edx, [ebp+E3C59X_REG_PHYSICAL_MGMT] |
||
1903 | shl al, 3 |
||
1904 | shr ax, 3 |
||
1905 | and ax, not E3C59X_MII_CMD_MASK |
||
1906 | or ax, E3C59X_MII_CMD_WRITE |
||
1907 | shl eax, 2 |
||
1908 | or eax, 10b ; transition bits |
||
1909 | shl eax, 16 |
||
1910 | mov ax, bx |
||
1911 | mov ebx, eax |
||
1912 | mov ecx, 31 |
||
1913 | .cmd_loop: |
||
1914 | mov ax, (1 shl E3C59X_BIT_MGMT_DIR) ; write mii |
||
1915 | bt ebx, ecx |
||
1916 | jnc .zero_bit |
||
1917 | or al, (1 shl E3C59X_BIT_MGMT_DATA) |
||
1918 | .zero_bit: |
||
1919 | out dx, ax |
||
1920 | push eax |
||
1921 | in ax, dx ; delay |
||
1922 | pop eax |
||
1923 | or al, (1 shl E3C59X_BIT_MGMT_CLK) ; write |
||
1924 | out dx, ax |
||
1925 | in ax, dx ; delay |
||
1926 | dec ecx |
||
1927 | jns .cmd_loop |
||
1928 | ret |
||
1929 | |||
1930 | ;*************************************************************************** |
||
1931 | ; Function |
||
1932 | ; e3c59x_transmit |
||
1933 | ; Description |
||
1934 | ; Transmits a packet of data via the ethernet card |
||
1935 | ; edi - Pointer to 48 bit destination address |
||
1936 | ; bx - Type of packet |
||
1937 | ; ecx - size of packet |
||
1938 | ; esi - pointer to packet data |
||
1939 | ; ebp - io_addr |
||
1940 | ; Destroyed registers |
||
1941 | ; eax, ecx, edx, ebp |
||
1942 | ; |
||
1943 | ;*************************************************************************** |
||
1944 | align 4 |
||
1945 | e3c59x_transmit: |
||
1946 | jmp dword [e3c59x_transmit_function] |
||
1947 | |||
1948 | ;*************************************************************************** |
||
1949 | ; Function |
||
1950 | ; e3c59x_check_tx_status |
||
1951 | ; Description |
||
1952 | ; Checks TxStatus queue. |
||
1953 | ; Return value |
||
1954 | ; al - 0 no error was found |
||
1955 | ; al - 1 error was found TxReset is needed |
||
1956 | ; Destroyed registers |
||
1957 | ; eax, ecx, edx, ebp |
||
1958 | ; |
||
1959 | ;*************************************************************************** |
||
1960 | e3c59x_check_tx_status: |
||
1961 | movzx ebp, word [io_addr] ; to be implemented in ETHERNET.INC |
||
1962 | ; clear TxStatus queue |
||
1963 | lea edx, [ebp+E3C59X_REG_TX_STATUS] |
||
1964 | mov cl, 31 ; max number of queue entries |
||
1965 | .tx_status_loop: |
||
1966 | in al, dx |
||
1967 | test al, al |
||
1968 | jz .finish ; no error |
||
1969 | test al, 0x3f |
||
1970 | jnz .finish ; error |
||
1971 | .no_error_found: |
||
1972 | ; clear current TxStatus entry which advances the next one |
||
1973 | xor al, al |
||
1974 | out dx, al |
||
1975 | dec cl |
||
1976 | jns .tx_status_loop |
||
1977 | .finish: |
||
1978 | ret |
||
1979 | |||
1980 | ;*************************************************************************** |
||
1981 | ; Function |
||
1982 | ; e3c59x_vortex_transmit |
||
1983 | ; Description |
||
1984 | ; Transmits a packet of data via the ethernet card |
||
1985 | ; edi - Pointer to 48 bit destination address |
||
1986 | ; bx - Type of packet |
||
1987 | ; ecx - size of packet |
||
1988 | ; esi - pointer to packet data |
||
1989 | ; ebp - io_addr |
||
1990 | ; Destroyed registers |
||
1991 | ; eax, edx, ecx, edi, esi, ebp |
||
1992 | ; |
||
1993 | ;*************************************************************************** |
||
1994 | align 4 |
||
1995 | e3c59x_vortex_transmit: |
||
1996 | push ecx |
||
1997 | call e3c59x_check_tx_status |
||
1998 | pop ecx |
||
1999 | test al, al |
||
2000 | jz .no_error_found |
||
2001 | jmp e3c59x_tx_reset |
||
2002 | .no_error_found: |
||
2003 | ; switch to register window 7 |
||
2004 | lea edx, [ebp+E3C59X_REG_COMMAND] |
||
2005 | mov ax, E3C59X_SELECT_REGISTER_WINDOW+7 |
||
2006 | out dx, ax |
||
2007 | ; check for master operation in progress |
||
2008 | lea edx, [ebp+E3C59X_REG_MASTER_STATUS] |
||
2009 | in ax, dx |
||
2010 | test ah, 0x80 |
||
2011 | jnz .finish ; no DMA for sending |
||
2012 | ; dword boundary correction |
||
2013 | cmp ecx, E3C59X_MAX_ETH_FRAME_SIZE |
||
2014 | ja .finish ; packet is too long |
||
2015 | ; write Frame Start Header |
||
2016 | mov eax, ecx |
||
2017 | ; add header length and extend the complete length to dword boundary |
||
2018 | add eax, ETH_HLEN+3 |
||
2019 | and eax, not 3 |
||
2020 | lea edx, [ebp+E3C59X_REG_TX_DATA] |
||
2021 | out dx, eax |
||
2022 | ; prepare the complete frame |
||
2023 | push esi |
||
2024 | mov esi, edi |
||
2025 | mov edi, e3c59x_tx_buff |
||
2026 | zero_to_virt edi |
||
2027 | cld |
||
2028 | ; copy destination address |
||
2029 | movsd |
||
2030 | movsw |
||
2031 | ; copy source address |
||
2032 | mov esi, node_addr |
||
2033 | movsd |
||
2034 | movsw |
||
2035 | ; copy packet type |
||
2036 | mov [edi], bx |
||
2037 | add edi, 2 |
||
2038 | ; copy packet data |
||
2039 | pop esi |
||
2040 | push ecx |
||
2041 | shr ecx, 2 |
||
2042 | rep movsd |
||
2043 | pop ecx |
||
2044 | and ecx, 3 |
||
2045 | rep movsb |
||
2046 | mov ecx, eax |
||
2047 | ; program frame address to be sent |
||
2048 | lea edx, [ebp+E3C59X_REG_MASTER_ADDRESS] |
||
2049 | mov eax, e3c59x_tx_buff |
||
2050 | zero_to_dma eax |
||
2051 | out dx, eax |
||
2052 | ; program frame length |
||
2053 | lea edx, [ebp+E3C59X_REG_MASTER_LEN] |
||
2054 | mov eax, ecx |
||
2055 | out dx, ax |
||
2056 | ; start DMA Down |
||
2057 | lea edx, [ebp+E3C59X_REG_COMMAND] |
||
2058 | mov ax, (10100b shl 11) + 1 ; StartDMADown |
||
2059 | out dx, ax |
||
2060 | .finish: |
||
2061 | ret |
||
2062 | |||
2063 | ;*************************************************************************** |
||
2064 | ; Function |
||
2065 | ; e3c59x_boomerang_transmit |
||
2066 | ; Description |
||
2067 | ; Transmits a packet of data via the ethernet card |
||
2068 | ; edi - Pointer to 48 bit destination address |
||
2069 | ; bx - Type of packet |
||
2070 | ; ecx - size of packet |
||
2071 | ; esi - pointer to packet data |
||
2072 | ; ebp - io_addr |
||
2073 | ; Destroyed registers |
||
2074 | ; eax, ebx, ecx, edx, esi, edi, ebp |
||
2075 | ; |
||
2076 | ;*************************************************************************** |
||
2077 | align 4 |
||
2078 | e3c59x_boomerang_transmit: |
||
2079 | push ecx |
||
2080 | call e3c59x_check_tx_status |
||
2081 | pop ecx |
||
2082 | test al, al |
||
2083 | jz .no_error_found |
||
2084 | jmp e3c59x_tx_reset |
||
2085 | .no_error_found: |
||
2086 | cmp ecx, E3C59X_MAX_ETH_FRAME_SIZE |
||
2087 | ja .finish ; packet is too long |
||
2088 | ; calculate descriptor address |
||
2089 | mov eax, [e3c59x_prev_dpd] |
||
2090 | cmp eax, e3c59x_dpd_buff+(E3C59X_NUM_TX_DESC-1)*E3C59X_DPD_SIZE |
||
2091 | jb @f |
||
2092 | ; wrap around |
||
2093 | mov eax, e3c59x_dpd_buff-E3C59X_DPD_SIZE |
||
2094 | @@: |
||
2095 | add eax, E3C59X_DPD_SIZE |
||
2096 | zero_to_virt eax |
||
2097 | push eax |
||
2098 | ; check DnListPtr |
||
2099 | lea edx, [ebp+E3C59X_REG_DN_LIST_PTR] |
||
2100 | in eax, dx |
||
2101 | ; mark if Dn_List_Ptr is cleared |
||
2102 | test eax, eax |
||
2103 | setz [e3c59x_dn_list_ptr_cleared] |
||
2104 | ; finish if no more free descriptor is available - FIXME! |
||
2105 | cmp eax, [esp] |
||
2106 | pop eax |
||
2107 | jz .finish |
||
2108 | push eax esi |
||
2109 | mov esi, edi |
||
2110 | ; calculate tx_buffer address |
||
2111 | mov edi, [e3c59x_prev_tx_frame] |
||
2112 | cmp edi, e3c59x_tx_buff+(E3C59X_NUM_TX_DESC-1)*E3C59X_MAX_ETH_FRAME_SIZE |
||
2113 | jb @f |
||
2114 | ; wrap around |
||
2115 | mov edi, e3c59x_tx_buff-E3C59X_MAX_ETH_FRAME_SIZE |
||
2116 | @@: |
||
2117 | add edi, E3C59X_MAX_ETH_FRAME_SIZE |
||
2118 | zero_to_virt edi |
||
2119 | mov eax, edi |
||
2120 | cld |
||
2121 | ; copy destination address |
||
2122 | movsd |
||
2123 | movsw |
||
2124 | ; copy source address |
||
2125 | mov esi, node_addr |
||
2126 | movsd |
||
2127 | movsw |
||
2128 | ; copy packet type |
||
2129 | mov [edi], bx |
||
2130 | add edi, 2 |
||
2131 | ; copy packet data |
||
2132 | pop esi |
||
2133 | push ecx |
||
2134 | shr ecx, 2 |
||
2135 | rep movsd |
||
2136 | pop ecx |
||
2137 | push ecx |
||
2138 | and ecx, 3 |
||
2139 | rep movsb |
||
2140 | ; padding, do we really need it? |
||
2141 | pop ecx |
||
2142 | add ecx, ETH_HLEN |
||
2143 | cmp ecx, ETH_ZLEN |
||
2144 | jae @f |
||
2145 | mov ecx, ETH_ZLEN |
||
2146 | @@: |
||
2147 | ; calculate |
||
2148 | mov ebx, ecx |
||
2149 | test byte [e3c59x_has_hwcksm], 0xff |
||
2150 | jz @f |
||
2151 | or ebx, (1 shl 26) ; set AddTcpChecksum |
||
2152 | @@: |
||
2153 | or ebx, 0x8000 ; transmission complete notification |
||
2154 | or ecx, 0x80000000 ; last fragment |
||
2155 | ; program DPD |
||
2156 | mov edi, eax |
||
2157 | pop eax |
||
2158 | and dword [eax+E3C59X_DPD_DN_NEXT_PTR], 0 |
||
2159 | mov dword [eax+E3C59X_DPD_FRAME_START_HDR], ebx |
||
2160 | virt_to_dma edi |
||
2161 | mov dword [eax+E3C59X_DPD_DN_FRAG_ADDR], edi |
||
2162 | mov [eax+E3C59X_DPD_DN_FRAG_LEN], ecx |
||
2163 | ; calculate physical address |
||
2164 | virt_to_dma eax |
||
2165 | push eax |
||
2166 | cmp byte [e3c59x_dn_list_ptr_cleared], 0 |
||
2167 | jz .add_to_list |
||
2168 | ; write Dn_List_Ptr |
||
2169 | out dx, eax |
||
2170 | jmp .finish |
||
2171 | .add_to_list: |
||
2172 | ; DnStall |
||
2173 | lea edx, [ebp+E3C59X_REG_COMMAND] |
||
2174 | mov ax, ((110b shl 11)+2) |
||
2175 | out dx, ax |
||
2176 | ; wait for DnStall to complete |
||
2177 | mov ecx, 6000 |
||
2178 | .wait_for_stall: |
||
2179 | in ax, dx ; read E3C59X_REG_INT_STATUS |
||
2180 | test ah, 10000b |
||
2181 | jz .dnstall_ok |
||
2182 | dec ecx |
||
2183 | jnz .wait_for_stall |
||
2184 | .dnstall_ok: |
||
2185 | pop eax |
||
2186 | push eax |
||
2187 | mov ebx, [e3c59x_prev_dpd] |
||
2188 | zero_to_virt ebx |
||
2189 | mov [ebx], eax |
||
2190 | lea edx, [ebp+E3C59X_REG_DN_LIST_PTR] |
||
2191 | in eax, dx |
||
2192 | test eax, eax |
||
2193 | jnz .dnunstall |
||
2194 | ; if Dn_List_Ptr has been cleared fill it up |
||
2195 | pop eax |
||
2196 | push eax |
||
2197 | out dx, eax |
||
2198 | .dnunstall: |
||
2199 | ; DnUnStall |
||
2200 | lea edx, [ebp+E3C59X_REG_COMMAND] |
||
2201 | mov ax, ((110b shl 11)+3) |
||
2202 | out dx, ax |
||
2203 | .finish: |
||
2204 | pop eax |
||
2205 | dma_to_zero eax |
||
2206 | mov [e3c59x_prev_dpd], eax |
||
2207 | dma_to_zero edi |
||
2208 | mov [e3c59x_prev_tx_frame], edi |
||
2209 | ret |
||
2210 | |||
2211 | ;*************************************************************************** |
||
2212 | ; Function |
||
2213 | ; e3c59x_poll |
||
2214 | ; Description |
||
2215 | ; Polls the ethernet card for a received packet |
||
2216 | ; Received data, if any, ends up in Ether_buffer |
||
2217 | ; Destroyed registers |
||
2218 | ; eax, ebx, edx, ecx, edi, esi, ebp |
||
2219 | ; |
||
2220 | ;*************************************************************************** |
||
2221 | align 4 |
||
2222 | e3c59x_poll: |
||
2223 | jmp dword [e3c59x_receive_function] |
||
2224 | |||
2225 | ;*************************************************************************** |
||
2226 | ; Function |
||
2227 | ; e3c59x_vortex_poll |
||
2228 | ; Description |
||
2229 | ; Polls the ethernet card for a received packet |
||
2230 | ; Received data, if any, ends up in Ether_buffer |
||
2231 | ; Parameters |
||
2232 | ; ebp - io_addr |
||
2233 | ; Return value |
||
2234 | ; al - 0 ; no packet received |
||
2235 | ; al - 1 ; packet received |
||
2236 | ; Destroyed registers |
||
2237 | ; eax, ebx, edx, ecx, edi, esi, ebp |
||
2238 | ; |
||
2239 | ;*************************************************************************** |
||
2240 | align 4 |
||
2241 | e3c59x_vortex_poll: |
||
2242 | and word [eth_rx_data_len], 0 ; assume no packet received |
||
2243 | movzx ebp, word [io_addr] ; to be implemented in ETHERNET.INC |
||
2244 | .rx_status_loop: |
||
2245 | ; examine RxStatus |
||
2246 | lea edx, [ebp+E3C59X_REG_RX_STATUS] |
||
2247 | in ax, dx |
||
2248 | test ax, ax |
||
2249 | jz .finish |
||
2250 | test ah, 0x80 ; rxIncomplete |
||
2251 | jz .check_error |
||
2252 | jmp .finish |
||
2253 | .check_error: |
||
2254 | test ah, 0x40 |
||
2255 | jz .check_length |
||
2256 | ; discard the top frame received advancing the next one |
||
2257 | lea edx, [ebp+E3C59X_REG_COMMAND] |
||
2258 | mov ax, (01000b shl 11) |
||
2259 | out dx, ax |
||
2260 | jmp .rx_status_loop |
||
2261 | .check_length: |
||
2262 | and eax, 0x1fff |
||
2263 | cmp eax, E3C59X_MAX_ETH_PKT_SIZE |
||
2264 | ja .discard_frame ; frame is too long discard it |
||
2265 | .check_dma: |
||
2266 | push eax |
||
2267 | ; switch to register window 7 |
||
2268 | lea edx, [ebp+E3C59X_REG_COMMAND] |
||
2269 | mov ax, E3C59X_SELECT_REGISTER_WINDOW+7 |
||
2270 | out dx, ax |
||
2271 | ; check for master operation in progress |
||
2272 | lea edx, [ebp+E3C59X_REG_MASTER_STATUS] |
||
2273 | in ax, dx |
||
2274 | test ah, 0x80 |
||
2275 | jz .read_frame ; no DMA for receiving |
||
2276 | pop eax |
||
2277 | jmp .finish |
||
2278 | .read_frame: |
||
2279 | ; program buffer address to read in |
||
2280 | lea edx, [ebp+E3C59X_REG_MASTER_ADDRESS] |
||
2281 | if defined E3C59X_LINUX |
||
2282 | mov eax, e3c59x_rx_buff |
||
2283 | zero_to_dma eax |
||
2284 | else |
||
2285 | mov eax, Ether_buffer |
||
2286 | end if |
||
2287 | out dx, eax |
||
2288 | ; program frame length |
||
2289 | lea edx, [ebp+E3C59X_REG_MASTER_LEN] |
||
2290 | mov ax, 1560 |
||
2291 | out dx, ax |
||
2292 | ; start DMA Up |
||
2293 | lea edx, [ebp+E3C59X_REG_COMMAND] |
||
2294 | mov ax, (10100b shl 11) ; StartDMAUp |
||
2295 | out dx, ax |
||
2296 | ; check for master operation in progress |
||
2297 | .dma_loop: |
||
2298 | lea edx, [ebp+E3C59X_REG_MASTER_STATUS] |
||
2299 | in ax, dx |
||
2300 | test ah, 0x80 |
||
2301 | jnz .dma_loop |
||
2302 | ; registrate the received packet length |
||
2303 | pop eax |
||
2304 | mov word [eth_rx_data_len], ax |
||
2305 | ; discard the top frame received |
||
2306 | .discard_frame: |
||
2307 | lea edx, [ebp+E3C59X_REG_COMMAND] |
||
2308 | mov ax, (01000b shl 11) |
||
2309 | out dx, ax |
||
2310 | .finish: |
||
2311 | ; set return value |
||
2312 | cmp word [eth_rx_data_len], 0 |
||
2313 | setne al |
||
2314 | ret |
||
2315 | |||
2316 | ;*************************************************************************** |
||
2317 | ; Function |
||
2318 | ; e3c59x_boomerang_poll |
||
2319 | ; Description |
||
2320 | ; Polls the ethernet card for a received packet |
||
2321 | ; Received data, if any, ends up in Ether_buffer |
||
2322 | ; Parameters |
||
2323 | ; ebp - io_addr |
||
2324 | ; Return value |
||
2325 | ; al - 0 ; no packet received |
||
2326 | ; al - 1 ; packet received |
||
2327 | ; Destroyed registers |
||
2328 | ; eax, edx, ecx, edi, esi, ebp |
||
2329 | ; |
||
2330 | ;*************************************************************************** |
||
2331 | align 4 |
||
2332 | e3c59x_boomerang_poll: |
||
2333 | and word [eth_rx_data_len], 0 ; assume no packet received |
||
2334 | movzx ebp, word [io_addr] ; to be implemented in ETHERNET.INC |
||
2335 | ; check if packet is uploaded |
||
2336 | mov eax, [e3c59x_curr_upd] |
||
2337 | test byte [eax+E3C59X_UPD_PKT_STATUS+1], 0x80 ; upPktComplete |
||
2338 | jnz .check_error |
||
2339 | jmp .finish |
||
2340 | ; packet is uploaded check for any error |
||
2341 | .check_error: |
||
2342 | test byte [eax+E3C59X_UPD_PKT_STATUS+1], 0x40 ; upError |
||
2343 | jz .copy_packet_length |
||
2344 | and dword [eax+E3C59X_UPD_PKT_STATUS], 0 |
||
2345 | jmp .finish |
||
2346 | .copy_packet_length: |
||
2347 | mov ecx, [eax+E3C59X_UPD_PKT_STATUS] |
||
2348 | and ecx, 0x1fff |
||
2349 | cmp ecx, E3C59X_MAX_ETH_PKT_SIZE |
||
2350 | jbe .copy_packet |
||
2351 | and dword [eax+E3C59X_UPD_PKT_STATUS], 0 |
||
2352 | jmp .finish |
||
2353 | .copy_packet: |
||
2354 | push ecx |
||
2355 | mov word [eth_rx_data_len], cx |
||
2356 | mov esi, [eax+E3C59X_UPD_UP_FRAG_ADDR] |
||
2357 | dma_to_virt esi |
||
2358 | mov edi, Ether_buffer |
||
2359 | shr ecx, 2 ; first copy dword-wise |
||
2360 | cld |
||
2361 | rep movsd ; copy the dwords |
||
2362 | pop ecx |
||
2363 | and ecx, 3 |
||
2364 | rep movsb ; copy the rest bytes |
||
2365 | mov eax, [e3c59x_curr_upd] |
||
2366 | and dword [eax+E3C59X_UPD_PKT_STATUS], 0 |
||
2367 | virt_to_zero eax |
||
2368 | cmp eax, e3c59x_upd_buff+(E3C59X_NUM_RX_DESC-1)*E3C59X_UPD_SIZE |
||
2369 | jb .no_wrap |
||
2370 | ; wrap around |
||
2371 | mov eax, e3c59x_upd_buff-E3C59X_UPD_SIZE |
||
2372 | .no_wrap: |
||
2373 | add eax, E3C59X_UPD_SIZE |
||
2374 | zero_to_virt eax |
||
2375 | mov [e3c59x_curr_upd], eax |
||
2376 | .finish: |
||
2377 | ; check if the NIC is in the upStall state |
||
2378 | lea edx, [ebp+E3C59X_REG_UP_PKT_STATUS] |
||
2379 | in eax, dx |
||
2380 | test ah, 0x20 ; UpStalled |
||
2381 | jz .noUpUnStall |
||
2382 | ; issue upUnStall command |
||
2383 | lea edx, [ebp+E3C59X_REG_COMMAND] |
||
2384 | mov ax, ((110b shl 11)+1) ; upUnStall |
||
2385 | out dx, ax |
||
2386 | .noUpUnStall: |
||
2387 | ; set return value |
||
2388 | cmp word [eth_rx_data_len], 0 |
||
2389 | setnz al |
||
2390 | ret>> |