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Rev | Author | Line No. | Line |
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425 | victor | 1 | $Revision: 431 $ |
261 | hidnplayr | 2 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
3 | ;; ;; |
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431 | serge | 4 | ;; Copyright (C) KolibriOS team 2004-2007. All rights reserved. ;; |
5 | ;; Distributed under terms of the GNU General Public License ;; |
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6 | ;; ;; |
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7 | ;; ;; |
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261 | hidnplayr | 8 | ;; I8255X.INC ;; |
9 | ;; ;; |
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10 | ;; Ethernet driver for Menuet OS ;; |
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11 | ;; ;; |
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12 | ;; Version 0.3 11 August 2003 ;; |
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13 | ;; ;; |
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14 | ;; This driver is based on the eepro100 driver from ;; |
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15 | ;; the etherboot 5.0.6 project. The copyright statement is ;; |
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16 | ;; ;; |
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17 | ;; GNU GENERAL PUBLIC LICENSE ;; |
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18 | ;; Version 2, June 1991 ;; |
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19 | ;; ;; |
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20 | ;; remaining parts Copyright 2002 Mike Hibbett, ;; |
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21 | ;; mikeh@oceanfree.net ;; |
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22 | ;; ;; |
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23 | ;; See file COPYING for details ;; |
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24 | ;; ;; |
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25 | ;; ;; |
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26 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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27 | |||
28 | |||
29 | ;******************************************************************** |
||
30 | ; Interface |
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31 | ; I8255x_reset |
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32 | ; I8255x_probe |
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33 | ; I8255x_poll |
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34 | ; I8255x_transmit |
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35 | ; |
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36 | ; These functions are referenced in ethernet.inc |
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37 | ; |
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38 | ;******************************************************************** |
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39 | |||
40 | |||
41 | rxfd_status equ eth_data_start |
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42 | rxfd_command equ eth_data_start + 2 |
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43 | rxfd_link equ eth_data_start + 4 |
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44 | rxfd_rx_buf_addr equ eth_data_start + 8 |
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45 | rxfd_count equ eth_data_start + 12 |
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46 | rxfd_size equ eth_data_start + 14 |
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47 | rxfd_packet equ eth_data_start + 16 |
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48 | |||
49 | |||
50 | |||
51 | uglobal |
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52 | eeprom_data: times 16 dd 0 |
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53 | |||
54 | align 4 |
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55 | |||
56 | lstats: |
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57 | tx_good_frames: dd 0 |
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58 | tx_coll16_errs: dd 0 |
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59 | tx_late_colls: dd 0 |
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60 | tx_underruns: dd 0 |
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61 | tx_lost_carrier: dd 0 |
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62 | tx_deferred: dd 0 |
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63 | tx_one_colls: dd 0 |
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64 | tx_multi_colls: dd 0 |
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65 | tx_total_colls: dd 0 |
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66 | rx_good_frames: dd 0 |
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67 | rx_crc_errs: dd 0 |
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68 | rx_align_errs: dd 0 |
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69 | rx_resource_errs: dd 0 |
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70 | rx_overrun_errs: dd 0 |
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71 | rx_colls_errs: dd 0 |
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72 | rx_runt_errs: dd 0 |
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73 | done_marker: dd 0 |
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74 | |||
75 | align 4 |
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76 | |||
77 | confcmd: |
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78 | confcmd_status: dw 0 |
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79 | confcmd_command: dw 0 |
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80 | confcmd_link: dd 0 |
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81 | endg |
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82 | |||
83 | iglobal |
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84 | confcmd_data: db 22, 0x08, 0, 0, 0, 0x80, 0x32, 0x03, 1 |
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85 | db 0, 0x2e, 0, 0x60, 0, 0xf2, 0x48, 0, 0x40, 0xf2 |
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86 | db 0x80, 0x3f, 0x05 |
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87 | endg |
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88 | |||
89 | uglobal |
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90 | align 4 |
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91 | |||
92 | txfd: |
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93 | txfd_status: dw 0 |
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94 | txfd_command: dw 0 |
||
95 | txfd_link: dd 0 |
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96 | txfd_tx_desc_addr: dd 0 |
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97 | txfd_count: dd 0 |
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98 | txfd_tx_buf_addr0: dd 0 |
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99 | txfd_tx_buf_size0: dd 0 |
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100 | txfd_tx_buf_addr1: dd 0 |
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101 | txfd_tx_buf_size1: dd 0 |
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102 | |||
103 | align 4 |
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104 | |||
105 | hdr: |
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106 | hdr_dst_addr: times 6 db 0 |
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107 | hdr_src_addr: times 6 db 0 |
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108 | hdr_type: dw 0 |
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109 | endg |
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110 | |||
111 | |||
112 | ;*************************************************************************** |
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113 | ; Function |
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114 | ; wait_for_cmd_done |
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115 | ; |
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116 | ; Description |
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117 | ; waits for the hardware to complete a command |
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118 | ; port address in edx |
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119 | ; |
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120 | ; al destroyed |
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121 | ;*************************************************************************** |
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122 | wait_for_cmd_done: |
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123 | in al, dx |
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124 | cmp al, 0 |
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125 | jne wait_for_cmd_done |
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126 | ret |
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127 | |||
128 | |||
129 | |||
130 | ;*************************************************************************** |
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131 | ; Function |
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132 | ; mdio_read |
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133 | ; |
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134 | ; Description |
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135 | ; This probably reads a register in the "physical media interface chip" |
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136 | ; Phy_id in ebx |
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137 | ; location in ecx |
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138 | ; |
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139 | ; Data returned in eax |
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140 | ; |
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141 | ;*************************************************************************** |
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142 | mdio_read: |
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143 | mov edx, [io_addr] |
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144 | add edx, 16 ; SCBCtrlMDI |
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145 | |||
146 | mov eax, 0x08000000 |
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147 | shl ecx, 16 |
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148 | or eax, ecx |
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149 | shl ebx, 21 |
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150 | or eax, ebx |
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151 | |||
152 | out dx, eax |
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153 | |||
154 | mrlp: |
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155 | call delay_us |
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156 | in eax, dx |
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157 | mov ecx, eax |
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158 | and ecx, 0x10000000 |
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159 | jz mrlp |
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160 | |||
161 | and eax, 0xffff |
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162 | ret |
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163 | |||
164 | |||
165 | |||
166 | ;*************************************************************************** |
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167 | ; Function |
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168 | ; mdio_write |
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169 | ; |
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170 | ; Description |
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171 | ; This probably writes a register in the "physical media interface chip" |
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172 | ; Phy_id in ebx |
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173 | ; location in ecx |
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174 | ; data in edx |
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175 | ; Data returned in eax |
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176 | ; |
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177 | ;*************************************************************************** |
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178 | mdio_write: |
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179 | mov eax, 0x04000000 |
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180 | shl ecx, 16 |
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181 | or eax, ecx |
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182 | shl ebx, 21 |
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183 | or eax, ebx |
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184 | or eax, edx |
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185 | |||
186 | mov edx, [io_addr] |
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187 | add edx, 16 ; SCBCtrlMDI |
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188 | out dx, eax |
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189 | |||
190 | mwlp: |
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191 | call delay_us |
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192 | in eax, dx |
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193 | mov ecx, eax |
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194 | and ecx, 0x10000000 |
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195 | jz mwlp |
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196 | |||
197 | and eax, 0xffff |
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198 | ret |
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199 | |||
200 | |||
201 | |||
202 | ;/***********************************************************************/ |
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203 | ;/* I82557 related defines */ |
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204 | ;/***********************************************************************/ |
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205 | |||
206 | ; Serial EEPROM section. |
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207 | ; A "bit" grungy, but we work our way through bit-by-bit :->. |
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208 | ; EEPROM_Ctrl bits. |
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209 | EE_SHIFT_CLK equ 0x01 ; EEPROM shift clock. |
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210 | EE_CS equ 0x02 ; EEPROM chip select. |
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211 | EE_DATA_WRITE equ 0x04 ; EEPROM chip data in. |
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212 | EE_DATA_READ equ 0x08 ; EEPROM chip data out. |
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213 | EE_WRITE_0 equ 0x4802 |
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214 | EE_WRITE_1 equ 0x4806 |
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215 | EE_ENB equ 0x4802 |
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216 | |||
217 | |||
218 | ; The EEPROM commands include the alway-set leading bit. |
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219 | EE_READ_CMD equ 6 |
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220 | |||
221 | ; The SCB accepts the following controls for the Tx and Rx units: |
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222 | CU_START equ 0x0010 |
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223 | CU_RESUME equ 0x0020 |
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224 | CU_STATSADDR equ 0x0040 |
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225 | CU_SHOWSTATS equ 0x0050 ; Dump statistics counters. |
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226 | CU_CMD_BASE equ 0x0060 ; Base address to add to add CU commands. |
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227 | CU_DUMPSTATS equ 0x0070 ; Dump then reset stats counters. |
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228 | |||
229 | RX_START equ 0x0001 |
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230 | RX_RESUME equ 0x0002 |
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231 | RX_ABORT equ 0x0004 |
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232 | RX_ADDR_LOAD equ 0x0006 |
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233 | RX_RESUMENR equ 0x0007 |
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234 | INT_MASK equ 0x0100 |
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235 | DRVR_INT equ 0x0200 ; Driver generated interrupt. |
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236 | |||
237 | |||
238 | ;*************************************************************************** |
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239 | ; Function |
||
240 | ; do_eeprom_cmd |
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241 | ; |
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242 | ; Description |
||
243 | ; writes a cmd to the ethernet cards eeprom, by bit bashing |
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244 | ; cmd in ebx |
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245 | ; cmd length in ecx |
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246 | ; return in eax |
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247 | ;*************************************************************************** |
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248 | do_eeprom_cmd: |
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249 | mov edx, [io_addr] ; We only require the value in dx |
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250 | add dx, 14 ; the value SCBeeprom |
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251 | |||
252 | mov ax, EE_ENB |
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253 | out dx, ax |
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254 | call delay_us |
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255 | |||
256 | mov ax, 0x4803 ; EE_ENB | EE_SHIFT_CLK |
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257 | out dx, ax |
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258 | call delay_us |
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259 | |||
260 | ; dx holds ee_addr |
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261 | ; ecx holds count |
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262 | ; eax holds cmd |
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263 | xor edi, edi ; this will be the receive data |
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264 | |||
265 | dec_001: |
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266 | mov esi, 1 |
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267 | |||
268 | dec ecx |
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269 | shl esi, cl |
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270 | inc ecx |
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271 | and esi, ebx |
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272 | mov eax, EE_WRITE_0 ; I am assuming this doesnt affect the flags.. |
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273 | cmp esi,0 |
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274 | jz dec_002 |
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275 | mov eax, EE_WRITE_1 |
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276 | |||
277 | dec_002: |
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278 | out dx, ax |
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279 | call delay_us |
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280 | |||
281 | or ax, EE_SHIFT_CLK |
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282 | out dx, ax |
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283 | call delay_us |
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284 | |||
285 | shl edi,1 |
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286 | |||
287 | in ax, dx |
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288 | and ax, EE_DATA_READ |
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289 | cmp ax,0 |
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290 | jz dec_003 |
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291 | inc edi |
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292 | |||
293 | dec_003: |
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294 | loop dec_001 |
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295 | |||
296 | mov ax, EE_ENB |
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297 | out dx, ax |
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298 | call delay_us |
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299 | |||
300 | mov ax, 0x4800 |
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301 | out dx, ax |
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302 | call delay_us |
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303 | |||
304 | mov eax, edi |
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305 | |||
306 | ret |
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307 | |||
308 | |||
309 | |||
310 | ;*************************************************************************** |
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311 | ; Function |
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312 | ; I8255x_reset |
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313 | ; Description |
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314 | ; Place the chip (ie, the ethernet card) into a virgin state |
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315 | ; No inputs |
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316 | ; All registers destroyed |
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317 | ; |
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318 | ;*************************************************************************** |
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319 | I8255x_reset: |
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320 | ret |
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321 | |||
322 | |||
323 | |||
324 | ;*************************************************************************** |
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325 | ; Function |
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326 | ; I8255x_probe |
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327 | ; Description |
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328 | ; Searches for an ethernet card, enables it and clears the rx buffer |
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329 | ; If a card was found, it enables the ethernet -> TCPIP link |
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330 | ; |
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331 | ;*************************************************************************** |
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332 | I8255x_probe: |
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333 | mov eax, [io_addr] |
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334 | |||
335 | mov ebx, [pci_bus] |
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336 | mov ecx, [pci_dev] |
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337 | mov edx, 0x04 ; PCI_COMMAND |
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338 | call pcibios_read_config_word |
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339 | |||
340 | or ax, 0x05 |
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341 | mov ebx, [pci_bus] |
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342 | mov ecx, [pci_dev] |
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343 | mov edx, 0x04 ; PCI_COMMAND |
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344 | call pcibios_write_config_word |
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345 | |||
346 | mov ebx, 0x6000000 |
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347 | mov ecx, 27 |
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348 | call do_eeprom_cmd |
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349 | and eax, 0xffe0000 |
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350 | cmp eax, 0xffe0000 |
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351 | je bige |
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352 | |||
353 | mov ebx, 0x1800000 |
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354 | mov ecx, 0x40 |
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355 | jmp doread |
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356 | |||
357 | bige: |
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358 | mov ebx, 0x6000000 |
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359 | mov ecx, 0x100 |
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360 | |||
361 | doread: |
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362 | ; do-eeprom-cmd will destroy all registers |
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363 | ; we have eesize in ecx |
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364 | ; read_cmd in ebx |
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365 | |||
366 | ; Ignore full eeprom - just load the mac address |
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367 | mov ecx, 0 |
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368 | |||
369 | drlp: |
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370 | push ecx ; save count |
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371 | push ebx |
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372 | mov eax, ecx |
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373 | shl eax, 16 |
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374 | or ebx, eax |
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375 | mov ecx, 27 |
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376 | call do_eeprom_cmd |
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377 | |||
378 | pop ebx |
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379 | pop ecx |
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380 | |||
381 | mov edx, ecx |
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382 | shl edx, 2 |
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383 | mov esi, eeprom_data |
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384 | add esi, edx |
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385 | mov [esi], eax |
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386 | |||
387 | inc ecx |
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388 | cmp ecx, 16 |
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389 | jne drlp |
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390 | |||
391 | ; OK, we have the MAC address. |
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392 | ; Now reset the card |
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393 | |||
394 | mov edx, [io_addr] |
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395 | add dx, 8 ; SCBPort |
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396 | xor eax, eax ; The reset cmd == 0 |
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397 | out dx, eax |
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398 | |||
399 | mov esi, 10 |
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400 | call delay_ms ; Give the card time to warm up. |
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401 | |||
402 | mov eax, lstats |
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403 | mov edx, [io_addr] |
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404 | add edx, 4 ; SCBPointer |
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405 | out dx, eax |
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406 | |||
407 | mov eax, 0x0140 ; INT_MASK | CU_STATSADDR |
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408 | mov edx, [io_addr] |
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409 | add edx, 2 ; SCBCmd |
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410 | out dx, ax |
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411 | |||
412 | call wait_for_cmd_done |
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413 | |||
414 | mov eax, 0 |
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415 | mov edx, [io_addr] |
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416 | add edx, 4 ; SCBPointer |
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417 | out dx, eax |
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418 | |||
419 | mov eax, 0x0106 ; INT_MASK | RX_ADDR_LOAD |
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420 | mov edx, [io_addr] |
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421 | add edx, 2 ; SCBCmd |
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422 | out dx, ax |
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423 | |||
424 | call wait_for_cmd_done |
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425 | |||
426 | ; build rxrd structure |
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427 | mov ax, 0x0001 |
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428 | mov [rxfd_status], ax |
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429 | mov ax, 0x0000 |
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430 | mov [rxfd_command], ax |
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431 | |||
432 | mov eax, rxfd_status |
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433 | mov [rxfd_link], eax |
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434 | |||
435 | mov eax, Ether_buffer |
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436 | mov [rxfd_rx_buf_addr], eax |
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437 | |||
438 | mov ax, 0 |
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439 | mov [rxfd_count], ax |
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440 | |||
441 | mov ax, 1528 |
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442 | mov [rxfd_size], ax |
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443 | |||
444 | mov edx, [io_addr] |
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445 | add edx, 4 ; SCBPointer |
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446 | |||
447 | mov eax, rxfd_status |
||
448 | out dx, eax |
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449 | |||
450 | mov edx, [io_addr] |
||
451 | add edx, 2 ; SCBCmd |
||
452 | |||
453 | mov ax, 0x0101 ; INT_MASK | RX_START |
||
454 | out dx, ax |
||
455 | |||
456 | call wait_for_cmd_done |
||
457 | |||
458 | ; start the reciver |
||
459 | |||
460 | mov ax, 0 |
||
461 | mov [rxfd_status], ax |
||
462 | |||
463 | mov ax, 0xc000 |
||
464 | mov [rxfd_command], ax |
||
465 | |||
466 | mov edx, [io_addr] |
||
467 | add edx, 4 ; SCBPointer |
||
468 | |||
469 | mov eax, rxfd_status |
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470 | out dx, eax |
||
471 | |||
472 | mov edx, [io_addr] |
||
473 | add edx, 2 ; SCBCmd |
||
474 | |||
475 | mov ax, 0x0101 ; INT_MASK | RX_START |
||
476 | out dx, ax |
||
477 | |||
478 | ; Init TX Stuff |
||
479 | |||
480 | mov edx, [io_addr] |
||
481 | add edx, 4 ; SCBPointer |
||
482 | |||
483 | mov eax, 0 |
||
484 | out dx, eax |
||
485 | |||
486 | mov edx, [io_addr] |
||
487 | add edx, 2 ; SCBCmd |
||
488 | |||
489 | mov ax, 0x0160 ; INT_MASK | CU_CMD_BASE |
||
490 | out dx, ax |
||
491 | |||
492 | call wait_for_cmd_done |
||
493 | |||
494 | ; Set TX Base address |
||
495 | |||
496 | ; First, set up confcmd values |
||
497 | |||
498 | mov ax, 2 |
||
499 | mov [confcmd_command], ax |
||
500 | mov eax, txfd |
||
501 | mov [confcmd_link], eax |
||
502 | |||
503 | mov ax, 1 |
||
504 | mov [txfd_command], ax ; CmdIASetup |
||
505 | |||
506 | mov ax, 0 |
||
507 | mov [txfd_status], ax |
||
508 | |||
509 | mov eax, confcmd |
||
510 | mov [txfd_link], eax |
||
511 | |||
512 | ; ETH_ALEN is 6 bytes |
||
513 | |||
514 | mov esi, eeprom_data |
||
515 | mov edi, node_addr |
||
516 | mov ecx, 3 |
||
517 | drp000: |
||
518 | mov eax, [esi] |
||
519 | mov [edi], al |
||
520 | shr eax, 8 |
||
521 | inc edi |
||
522 | mov [edi], al |
||
523 | inc edi |
||
524 | add esi, 4 |
||
525 | loop drp000 |
||
526 | |||
527 | ; Hard code your MAC address into node_addr at this point, |
||
528 | ; If you cannot read the MAC address from the eeprom in the previous step. |
||
529 | ; You also have to write the mac address into txfd_tx_desc_addr, rather |
||
530 | ; than taking data from eeprom_data |
||
531 | |||
532 | mov esi, eeprom_data |
||
533 | mov edi, txfd_tx_desc_addr |
||
534 | mov ecx, 3 |
||
535 | drp001: |
||
536 | mov eax, [esi] |
||
537 | mov [edi], al |
||
538 | shr eax, 8 |
||
539 | inc edi |
||
540 | mov [edi], al |
||
541 | inc edi |
||
542 | add esi, 4 |
||
543 | loop drp001 |
||
544 | |||
545 | mov esi, eeprom_data + (6 * 4) |
||
546 | mov eax, [esi] |
||
547 | shr eax, 8 |
||
548 | and eax, 0x3f |
||
549 | cmp eax, 4 ; DP83840 |
||
550 | je drp002 |
||
551 | cmp eax, 10 ; DP83840A |
||
552 | je drp002 |
||
553 | jmp drp003 |
||
554 | |||
555 | drp002: |
||
556 | mov ebx, [esi] |
||
557 | and ebx, 0x1f |
||
558 | push ebx |
||
559 | mov ecx, 23 |
||
560 | call mdio_read |
||
561 | pop ebx |
||
562 | or eax, 0x0422 |
||
563 | mov ecx, 23 |
||
564 | mov edx, eax |
||
565 | call mdio_write |
||
566 | |||
567 | drp003: |
||
568 | mov ax, 0x4002 ; Cmdsuspend | CmdConfigure |
||
569 | mov [confcmd_command], ax |
||
570 | mov ax, 0 |
||
571 | mov [confcmd_status], ax |
||
572 | mov eax, txfd |
||
573 | mov [confcmd_link], eax |
||
574 | mov ebx, confcmd_data |
||
575 | mov al, 0x88 ; fifo of 8 each |
||
576 | mov [ebx + 1], al |
||
577 | mov al, 0 |
||
578 | mov [ebx + 4], al |
||
579 | mov al, 0x80 |
||
580 | mov [ebx + 5], al |
||
581 | mov al, 0x48 |
||
582 | mov [ebx + 15], al |
||
583 | mov al, 0x80 |
||
584 | mov [ebx + 19], al |
||
585 | mov al, 0x05 |
||
586 | mov [ebx + 21], al |
||
587 | |||
588 | mov eax, txfd |
||
589 | mov edx, [io_addr] |
||
590 | add edx, 4 ; SCBPointer |
||
591 | out dx, eax |
||
592 | |||
593 | mov eax, 0x0110 ; INT_MASK | CU_START |
||
594 | mov edx, [io_addr] |
||
595 | add edx, 2 ; SCBCmd |
||
596 | out dx, ax |
||
597 | |||
598 | call wait_for_cmd_done |
||
599 | jmp skip |
||
600 | |||
601 | ; wait for thing to start |
||
602 | drp004: |
||
603 | mov ax, [txfd_status] |
||
604 | cmp ax, 0 |
||
605 | je drp004 |
||
606 | |||
607 | skip: |
||
608 | ; Indicate that we have successfully reset the card |
||
609 | mov eax, [pci_data] |
||
610 | mov [eth_status], eax |
||
611 | |||
612 | I8255x_exit: |
||
613 | ret |
||
614 | |||
615 | |||
616 | |||
617 | ;*************************************************************************** |
||
618 | ; Function |
||
619 | ; I8255x_poll |
||
620 | ; |
||
621 | ; Description |
||
622 | ; Polls the ethernet card for a received packet |
||
623 | ; Received data, if any, ends up in Ether_buffer |
||
624 | ; |
||
625 | ;*************************************************************************** |
||
626 | I8255x_poll: |
||
627 | mov ax, 0 ; assume no data |
||
628 | mov [eth_rx_data_len], ax |
||
629 | |||
630 | mov ax, [rxfd_status] |
||
631 | cmp ax, 0 |
||
632 | je i8p_exit |
||
633 | |||
634 | mov ax, 0 |
||
635 | mov [rxfd_status], ax |
||
636 | |||
637 | mov ax, 0xc000 |
||
638 | mov [rxfd_command], ax |
||
639 | |||
640 | mov edx, [io_addr] |
||
641 | add edx, 4 ; SCBPointer |
||
642 | |||
643 | mov eax, rxfd_status |
||
644 | out dx, eax |
||
645 | |||
646 | mov edx, [io_addr] |
||
647 | add edx, 2 ; SCBCmd |
||
648 | |||
649 | mov ax, 0x0101 ; INT_MASK | RX_START |
||
650 | out dx, ax |
||
651 | |||
652 | call wait_for_cmd_done |
||
653 | |||
654 | mov esi, rxfd_packet |
||
655 | mov edi, Ether_buffer |
||
656 | mov ecx, 1518 |
||
657 | cld |
||
658 | rep movsb |
||
659 | |||
660 | mov ax, [rxfd_count] |
||
661 | and ax, 0x3fff |
||
662 | mov [eth_rx_data_len], ax |
||
663 | |||
664 | i8p_exit: |
||
665 | ret |
||
666 | |||
667 | |||
668 | |||
669 | ;*************************************************************************** |
||
670 | ; Function |
||
671 | ; I8255x_transmit |
||
672 | ; |
||
673 | ; Description |
||
674 | ; Transmits a packet of data via the ethernet card |
||
675 | ; Pointer to 48 bit destination address in edi |
||
676 | ; Type of packet in bx |
||
677 | ; size of packet in ecx |
||
678 | ; pointer to packet data in esi |
||
679 | ; |
||
680 | ;*************************************************************************** |
||
681 | I8255x_transmit: |
||
682 | |||
683 | mov [hdr_type], bx |
||
684 | |||
685 | mov eax, [edi] |
||
686 | mov [hdr_dst_addr], eax |
||
687 | mov ax, [edi+4] |
||
688 | mov [hdr_dst_addr+4], ax |
||
689 | |||
690 | mov eax, [node_addr] |
||
691 | mov [hdr_src_addr], eax |
||
692 | mov ax, [node_addr+4] |
||
693 | mov [hdr_src_addr+4], ax |
||
694 | |||
695 | mov edx, [io_addr] |
||
696 | in ax, dx |
||
697 | and ax, 0xfc00 |
||
698 | out dx, ax |
||
699 | |||
700 | xor ax, ax |
||
701 | mov [txfd_status], ax |
||
702 | mov ax, 0x400C ; Cmdsuspend | CmdTx | CmdTxFlex |
||
703 | mov [txfd_command], ax |
||
704 | mov eax, txfd |
||
705 | mov [txfd_link], eax |
||
706 | mov eax, 0x02208000 |
||
707 | mov [txfd_count], eax |
||
708 | mov eax, txfd_tx_buf_addr0 |
||
709 | mov [txfd_tx_desc_addr], eax |
||
710 | mov eax, hdr |
||
711 | mov [txfd_tx_buf_addr0], eax |
||
712 | mov eax, 14 ; sizeof hdr |
||
713 | mov [txfd_tx_buf_size0], eax |
||
714 | |||
715 | ; Copy the buffer address and size in |
||
716 | mov eax, esi |
||
717 | mov [txfd_tx_buf_addr1], eax |
||
718 | mov eax, ecx |
||
719 | mov [txfd_tx_buf_size1], eax |
||
720 | |||
721 | mov eax, txfd |
||
722 | mov edx, [io_addr] |
||
723 | add edx, 4 ; SCBPointer |
||
724 | out dx, eax |
||
725 | |||
726 | mov ax, 0x0110 ; INT_MASK | CU_START |
||
727 | mov edx, [io_addr] |
||
728 | add edx, 2 ; SCBCmd |
||
729 | out dx, ax |
||
730 | |||
731 | call wait_for_cmd_done |
||
732 | |||
733 | mov edx, [io_addr] |
||
734 | in ax, dx |
||
735 | |||
736 | I8t_001: |
||
737 | mov ax, [txfd_status] |
||
738 | cmp ax, 0 |
||
739 | je I8t_001 |
||
740 | |||
741 | mov edx, [io_addr] |
||
742 | in ax, dx |
||
743 | |||
744 | ret |