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Fix FREESCALE_EDMA_NBYTES_MLOFFYES_MLOFF() so it works with negative offsets.
author vae
date Wed, 29 Apr 2015 23:31:48 +0000
parents 74dbf4c3f2e1
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #ifndef CYGONCE_DEVS_ETH_PHYTER_PHYTER_INL
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2 #define CYGONCE_DEVS_ETH_PHYTER_PHYTER_INL
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3 //==========================================================================
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4 //
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5 // phyther.inl
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6 //
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7 // Generic Phyter definitions and helpers
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8 //
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9 //==========================================================================
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10 // ####ECOSGPLCOPYRIGHTBEGIN####
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11 // -------------------------------------------
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12 // This file is part of eCos, the Embedded Configurable Operating System.
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13 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
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14 //
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15 // eCos is free software; you can redistribute it and/or modify it under
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16 // the terms of the GNU General Public License as published by the Free
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17 // Software Foundation; either version 2 or (at your option) any later
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18 // version.
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19 //
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20 // eCos is distributed in the hope that it will be useful, but WITHOUT
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21 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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22 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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23 // for more details.
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24 //
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25 // You should have received a copy of the GNU General Public License
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26 // along with eCos; if not, write to the Free Software Foundation, Inc.,
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27 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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28 //
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29 // As a special exception, if other files instantiate templates or use
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30 // macros or inline functions from this file, or you compile this file
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31 // and link it with other works to produce a work based on this file,
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32 // this file does not by itself cause the resulting work to be covered by
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33 // the GNU General Public License. However the source code for this file
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34 // must still be made available in accordance with section (3) of the GNU
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35 // General Public License v2.
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36 //
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37 // This exception does not invalidate any other reasons why a work based
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38 // on this file might be covered by the GNU General Public License.
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39 // -------------------------------------------
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40 // ####ECOSGPLCOPYRIGHTEND####
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41 //==========================================================================
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42 //#####DESCRIPTIONBEGIN####
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43 //
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44 // Author(s): jskov
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45 // Contributors: jskov
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46 // Date: 2002-02-19
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47 // Purpose: phy/MII definitions
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48 // Description:
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49 //
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50 //####DESCRIPTIONEND####
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51 //
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52 //==========================================================================
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53
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54 // Caller must define _MII_WRITE and _MII_READ macros
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55 #ifndef _MII_WRITE
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56 # error "_MII_WRITE(_priv_, _id_, _reg_, _val_) and _MII_READ(_priv_, _id_, _reg_) must be defined"
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57 #endif
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58
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59 // Caller can define _MII_HAS_EXTENDED to add support for extended registers
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60
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61 //-----------------------------------------------------------------------------
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62 // Helpers
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63
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64 // Renegotiate link
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65 // This function will delay for up to 2 seconds waiting for a renegotiation
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66 // of the link.
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67 #define _MII_RENEGOTIATE(_priv_, _id_) \
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68 CYG_MACRO_START \
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69 _MII_WRITE(_priv_, _id_, CYGARC_REG_MII_BMCR, CYGARC_REG_MII_BMCR_RENEGOTIATE); \
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70 _MII_RENEGOTIATION_WAIT(_priv_, _id_); \
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71 CYG_MACRO_END
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72
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73 // Wait for renegotiation to complete
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74 // This function will delay for up to 2 seconds waiting for a renegotiation
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75 // of the link.
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76 #define _MII_RENEGOTIATION_WAIT(_priv_, _id_) \
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77 CYG_MACRO_START \
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78 int _i; \
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79 cyg_uint16 _r; \
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80 for (_i = 0; _i < 2000; _i++) { \
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81 HAL_DELAY_US(1000); \
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82 _r = _MII_READ(_priv_, _id_, CYGARC_REG_MII_BMSR); \
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83 if (_r & CYGARC_REG_MII_BMSR_AN_COMPLETE) break; \
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84 } \
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85 CYG_MACRO_END
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86
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87 // Link state query
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88 #define _MII_LINK_STATE(_priv_, _id_) \
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89 ({ int _i; \
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90 if (_MII_READ(_priv_, _id_, CYGARC_REG_MII_BMSR) & CYGARC_REG_MII_BMSR_LINK) \
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91 (_i) = 1; \
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92 else \
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93 (_i) = 0; \
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94 _i; })
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95
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96 // Clear 100MB capability advertisement bits
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97 // Caller has to start a new renegoatiation
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98 #define _MII_SPEED_FORCE_10MB(_priv_, _id_) \
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99 CYG_MACRO_START \
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100 cyg_uint16 _d; \
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101 _d = _MII_READ(_priv_, _id_, CYGARC_REG_MII_ANAR); \
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102 _d &= ~(CYGARC_REG_MII_ANAR_T4|CYGARC_REG_MII_ANAR_TX_FD|CYGARC_REG_MII_ANAR_TX); \
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103 _MII_WRITE(_priv_, _id_, CYGARC_REG_MII_ANAR, _d); \
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104 CYG_MACRO_END
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105
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106 #ifdef _MII_HAS_EXTENDED
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107
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108 // Speed state query
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109 // 0 = 10Mb, 1 = 100Mb
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110 #define _MII_SPEED_STATE(_priv_, _id_) \
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111 ({ int _i; \
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112 if (_MII_READ(_priv_, _id_, CYGARC_REG_MII_PHYSTS) & CYGARC_REG_MII_PHYSTS_SPEED) \
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113 (_i) = 0; \
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114 else \
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115 (_i) = 1; \
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116 _i; })
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117
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118 // Duplex state query
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119 // 0 = simplex, 1 = duplex
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120 #define _MII_DUPLEX_STATE(_priv_, _id_) \
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121 ({ int _i; \
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122 if (_MII_READ(_priv_, _id_, CYGARC_REG_MII_PHYSTS) & CYGARC_REG_MII_PHYSTS_DUPLEX) \
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123 (_i) = 1; \
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124 else \
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125 (_i) = 0; \
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126 _i; })
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127
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128 #endif // _MII_HAS_EXTENDED
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129
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130 // Dump registers
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131 // Useful for debugging
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132 #define _MII_DUMP_REGS(_priv_, _id_) \
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133 CYG_MACRO_START \
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134 int _i; \
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135 diag_printf("PHY registers:\n"); \
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136 for(_i = 0; _i <= CYGARC_REG_MII_LAST; _i++) \
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137 diag_printf(" %02d %04x\n", _i, _MII_READ(_priv_, _id_, _i)); \
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138 CYG_MACRO_END
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139
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140 //-----------------------------------------------------------------------------
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141 // Phyter Registers
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142
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143 // Generic
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144 #define CYGARC_REG_MII_BMCR 0x00
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145 #define CYGARC_REG_MII_BMSR 0x01
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146 #define CYGARC_REG_MII_PHYIDR1 0x02
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147 #define CYGARC_REG_MII_PHYIDR2 0x03
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148 #define CYGARC_REG_MII_ANAR 0x04
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149 #define CYGARC_REG_MII_ANLPAR 0x05
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150 #define CYGARC_REG_MII_ANER 0x06
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151 #define CYGARC_REG_MII_ANNPTR 0x07
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152
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153 #define CYGARC_REG_MII_BMCR_RESET 0x8000
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154 #define CYGARC_REG_MII_BMCR_LOOPBACK 0x4000
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155 #define CYGARC_REG_MII_BMCR_RENEGOTIATE 0x3300
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156
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157 #define CYGARC_REG_MII_BMSR_AN_COMPLETE 0x0020
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158 #define CYGARC_REG_MII_BMSR_LINK 0x0004
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159
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160 #define CYGARC_REG_MII_ANAR_T4 0x0200
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161 #define CYGARC_REG_MII_ANAR_TX_FD 0x0100
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162 #define CYGARC_REG_MII_ANAR_TX 0x0080
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163 #define CYGARC_REG_MII_ANAR_10_FD 0x0040
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164 #define CYGARC_REG_MII_ANAR_10 0x0020
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165
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166 // Extended registers
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167 #ifndef _MII_HAS_EXTENDED
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168 # define CYGARC_REG_MII_LAST 0x0f
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169 #else
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170 # define CYGARC_REG_MII_PHYSTS 0x10
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171 # define CYGARC_REG_MII_FCSCR 0x14
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172 # define CYGARC_REG_MII_RECR 0x15
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173 # define CYGARC_REG_MII_PCSR 0x16
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174 # define CYGARC_REG_MII_PHYCTRL 0x19
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175 # define CYGARC_REG_MII_10BTSCR 0x1a
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176 # define CYGARC_REG_MII_CDCTRL 0x1b
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177 # define CYGARC_REG_MII_LAST 0x1f
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178
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179
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180 # define CYGARC_REG_MII_PHYSTS_SPEED 0x00000002
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181 # define CYGARC_REG_MII_PHYSTS_DUPLEX 0x00000004
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182
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183 #endif
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184
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185 #endif // CYGONCE_DEVS_ETH_PHYTER_PHYTER_INL