Mercurial > nand-ecoscentric

annotate packages/devs/eth/arm/ebsa285/current/src/if_ebsa285.c @ 82:6736c52df507 ecos-sw-2000-04-14

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Merge from eCos master repository on 2000-04-14-13:35:46-BST
author jlarmour
date Tue, 18 Apr 2000 21:51:55 +0000
parents
children 489eb5632bc3
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1 //==========================================================================
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2 //
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3 // if_ebsa285.c
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4 //
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5 // Ethernet drivers
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6 // Intel EBSA285 and PRO/100+ platform specific support
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7 //
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8 //==========================================================================
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9 //####COPYRIGHTBEGIN####
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10 //
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11 // -------------------------------------------
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12 // The contents of this file are subject to the Red Hat eCos Public License
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13 // Version 1.1 (the "License"); you may not use this file except in
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14 // compliance with the License. You may obtain a copy of the License at
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15 // http://www.redhat.com/
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16 //
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17 // Software distributed under the License is distributed on an "AS IS"
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18 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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19 // License for the specific language governing rights and limitations under
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20 // the License.
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21 //
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22 // The Original Code is eCos - Embedded Configurable Operating System,
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23 // released September 30, 1998.
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24 //
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25 // The Initial Developer of the Original Code is Red Hat.
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26 // Portions created by Red Hat are
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27 // Copyright (C) 1998, 1999, 2000 Red Hat, Inc.
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28 // All Rights Reserved.
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29 // -------------------------------------------
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30 //
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31 //####COPYRIGHTEND####
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32 //####BSDCOPYRIGHTBEGIN####
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33 //
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34 // -------------------------------------------
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35 //
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36 // Portions of this software may have been derived from OpenBSD or other sources,
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37 // and are covered by the appropriate copyright disclaimers included herein.
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38 //
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39 // -------------------------------------------
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40 //
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41 //####BSDCOPYRIGHTEND####
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42 //==========================================================================
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43 //#####DESCRIPTIONBEGIN####
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44 //
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45 // Author(s): hmt, gthomas
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46 // Contributors: Ron Spence, Pacific Softworks
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47 // Date: 2000-02-01
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48 // Purpose:
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49 // Description: hardware driver for 82559 Intel PRO/100+ ethernet and
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50 // Intel StrongARM EBSA-285 development boards
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51 //
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52 //
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53 //####DESCRIPTIONEND####
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54 //
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55 //==========================================================================
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56
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57 #include <pkgconf/system.h>
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58 #include <cyg/infra/cyg_type.h>
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59 #include <cyg/infra/cyg_ass.h>
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60 #include <cyg/hal/hal_arch.h>
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61 #include <cyg/infra/diag.h>
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62 #include <cyg/hal/drv_api.h>
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63 #include <netdev.h>
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64 #include <eth_drv.h>
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65
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66 #ifdef CYGPKG_IO_PCI
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67 #include <cyg/io/pci.h>
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68 #else
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69 #error "Need PCI package here"
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70 #endif
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71
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72 // ------------------------------------------------------------------------
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73
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74 #define nDEBUG_82559
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75 #define DEBUG
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76
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77 #define nKEEP_STATISTICS
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78 #define nDISPLAY_STATISTICS
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79 #define nDISPLAY_82559_STATISTICS
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80
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81
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82 #define os_printf diag_printf
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83 #define db_printf diag_printf
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84
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85 // ------------------------------------------------------------------------
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86 // I/O access macros as inlines for type safety
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87
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88 static inline void OUTB(cyg_uint8 value, cyg_uint32 io_address)
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89 { *((cyg_uint8 *)io_address) = value; }
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90
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91 static inline void OUTW(cyg_uint16 value, cyg_uint32 io_address)
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92 { *((cyg_uint16 *)io_address) = value; }
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93
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94 static inline void OUTL(cyg_uint32 value, cyg_uint32 io_address)
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95 { *((cyg_uint32 *)io_address) = value; }
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96
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97 static inline cyg_uint8 INB(cyg_uint32 io_address)
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98 { return *((cyg_uint8 *)io_address); }
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99
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100 static inline cyg_uint16 INW(cyg_uint32 io_address)
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101 { return *((cyg_uint16 *)io_address); }
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102
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103 static inline cyg_uint32 INL(cyg_uint32 io_address)
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104 { return *((cyg_uint32 *)io_address); }
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105
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106 #define VIRT_TO_BUS( _x_ ) virt_to_bus((cyg_uint32)(_x_))
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107 static inline cyg_uint32 virt_to_bus(cyg_uint32 p_memory)
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108 { return (p_memory - CYGHWR_HAL_ARM_EBSA285_PCI_MEM_MAP_BASE); }
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109
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110 #define BUS_TO_VIRT( _x_ ) bus_to_virt((cyg_uint32)(_x_))
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111 static inline cyg_uint32 bus_to_virt(cyg_uint32 p_memory)
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112 { return (p_memory + CYGHWR_HAL_ARM_EBSA285_PCI_MEM_MAP_BASE); }
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113
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114
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115 // ------------------------------------------------------------------------
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116 //
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117 // 82559 REGISTER OFFSETS (I/O SPACE)
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118 //
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119 // ------------------------------------------------------------------------
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120 #define SCBStatus 0 // Rx/Command Unit command and status.
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121 #define SCBCmd 2 // Rx/Command Unit command and status.
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122 #define SCBPointer 4 // General purpose pointer.
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123 #define SCBPort 8 // Misc. commands and operands.
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124 #define SCBflash 12 // Flash memory control.
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125 #define SCBeeprom 14 // EEPROM memory control.
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126 #define SCBCtrlMDI 16 // MDI interface control.
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127 #define SCBEarlyRx 20 // Early receive byte count.
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128 #define SCBGenControl 28 // 82559 General Control Register
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129 #define SCBGenStatus 29 // 82559 General Status register
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130
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131
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132 // ------------------------------------------------------------------------
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133 //
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134 // 82559 SCB STATUS WORD DEFNITIONS
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135 //
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136 // ------------------------------------------------------------------------
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137 #define SCB_STATUS_CX 0x8000 // CU finished command (transmit)
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138 #define SCB_STATUS_FR 0x4000 // frame received
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139 #define SCB_STATUS_CNA 0x2000 // CU left active state
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140 #define SCB_STATUS_RNR 0x1000 // receiver left ready state
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141 #define SCB_STATUS_MDI 0x0800 // MDI read/write cycle done
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142 #define SCB_STATUS_SWI 0x0400 // software generated interrupt
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143 #define SCB_STATUS_FCP 0x0100 // flow control pause interrupt
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144
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145
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146 // ------------------------------------------------------------------------
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147 //
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148 // 82559 PORT INTERFACE COMMANDS
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149 //
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150 // ------------------------------------------------------------------------
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151 #define I82559_RESET 0x00000000 // software reset
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152 #define I82559_SELFTEST 0x00000001 // 82559 selftest command
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153 #define I82559_SELECTIVE_RESET 0x00000002
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154 #define I82559_DUMP 0x00000003
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155 #define I82559_DUMP_WAKEUP 0x00000007
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156
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157
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158
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159 // ------------------------------------------------------------------------
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160 //
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161 // 82559 GENERAL STATUS REGISTER
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162 //
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163 // ------------------------------------------------------------------------
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164 #define GEN_STATUS_FDX 0x04 // 1 = full duplex, 0 = half
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165 #define GEN_STATUS_100MBPS 0x02 // 1 = 100 Mbps, 0 = 10 Mbps
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166 #define GEN_STATUS_LINK 0x01 // 1 = link up, 0 = link down
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167
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168
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169 // ------------------------------------------------------------------------
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170 //
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171 // 82559 EEPROM INTERFACE
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172 //
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173 // ------------------------------------------------------------------------
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174 // EEPROM_Ctrl bits.
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175 #define EE_SHIFT_CLK 0x01 // EEPROM shift clock.
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176 #define EE_CS 0x02 // EEPROM chip select.
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177 #define EE_DATA_WRITE 0x04 // EEPROM chip data in.
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178 #define EE_WRITE_0 0x01
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179 #define EE_WRITE_1 0x05
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180 #define EE_DATA_READ 0x08 // EEPROM chip data out.
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181 #define EE_ENB (0x4800 | EE_CS)
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182
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183 // Delay between EEPROM clock transitions.
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184 #define eeprom_delay(usec) udelay(usec);
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185
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186 // The EEPROM commands include the always-set leading bit.
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187 // (and require the local variable "addr_len", usually 6 or 8)
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188 #define EE_WRITE_CMD (5 << addr_len)
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189 #define EE_READ_CMD (6 << addr_len)
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190 #define EE_ERASE_CMD (7 << addr_len)
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191 #define EE_WRITE_EN_CMD (19 << (addr_len-2))
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192
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193
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194 // ------------------------------------------------------------------------
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195 //
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196 // SYSTEM CONTROL BLOCK COMMANDS
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197 //
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198 // ------------------------------------------------------------------------
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199 // CU COMMANDS
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200 #define CU_NOP 0x0000
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201 #define CU_START 0x0010
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202 #define CU_RESUME 0x0020
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203 #define CU_STATSADDR 0x0040 // Load Dump Statistics ctrs addr
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204 #define CU_SHOWSTATS 0x0050 // Dump statistics counters.
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205 #define CU_CMD_BASE 0x0060 // Base address to add to CU commands
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206 #define CU_DUMPSTATS 0x0070 // Dump then reset stats counters.
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207
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208 // RUC COMMANDS
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209 #define RUC_NOP 0x0000
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210 #define RUC_START 0x0001
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211 #define RUC_RESUME 0x0002
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212 #define RUC_ABORT 0x0004
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213 #define RUC_ADDR_LOAD 0x0006
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214 #define RUC_RESUMENR 0x0007
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215
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216 #define SCB_M 0x0100 // 0 = enable interrupt, 1 = disable
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217 #define SCB_SI 0x0200 // 1 - cause device to interrupt
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218
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219 #define CU_STATUS_MASK 0x00C0
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220 #define RU_STATUS_MASK 0x003C
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221
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222 #define CUC_ADDR_LOAD 0x0060
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223 #define CUC_START 0x0010
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224
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225 #define MAX_MEM_RESERVED_IOCTL 1000
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226
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227 // We use this as a templete when writing a new MAC address into the
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228 // eeproms. The MAC address in the first few bytes is over written
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229 // with the correct MAC address and then the whole lot is programmed
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230 // into the serial EEPROM. The checksum is calculated on the fly and
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231 // sent instead of the last two bytes.
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232
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233 static char eeprom_burn[126] = {
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234 0x00, 0x90, 0x27, 0x8c, 0x57, 0x82, 0x03, 0x02, 0x00, 0x00, 0x01,
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235 0x02, 0x01, 0x47, 0x00, 0x00, 0x13, 0x72, 0x06, 0x83, 0xa2, 0x40,
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236 0x0c, 0x00, 0x86, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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237 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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238 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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239 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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240 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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241 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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242 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x28, 0x01, 0x00,
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243 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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244 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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245 0x00, 0x00, 0x00, 0x00, 0x00
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246 };
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247
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248
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249
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250 // ------------------------------------------------------------------------
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251 //
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252 // RECEIVE FRAME DESCRIPTORS
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253 //
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254 // ------------------------------------------------------------------------
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255 typedef struct rfd {
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256 volatile cyg_uint32 status; // result of receive operation
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257 volatile cyg_uint32 link; // offset from RU base to next RFD
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258 volatile cyg_uint32 rdb_address; // pointer to Rx data buffer
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259 volatile cyg_uint32 count:14, // number of bytes received +
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260 f:1, // + EOF & F flags
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261 eof:1,
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262 size:16; // size of the data buffer
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263 volatile cyg_uint8 buffer[0]; // data buffer (simple mode)
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264 } RFD;
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265
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266 #define RFD_STATUS_EL 0x80000000 // 1=last RFD in RFA
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267 #define RFD_STATUS_S 0x40000000 // 1=suspend RU after receiving frame
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268 #define RFD_STATUS_H 0x00100000 // 1=RFD is a header RFD
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269 #define RFD_STATUS_SF 0x00080000 // 0=simplified, 1=flexible mode
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270 #define RFD_STATUS_C 0x00008000 // completion of received frame
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271 #define RFD_STATUS_OK 0x00002000 // frame received with no errors
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272
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273 #define RFD_RX_CRC 0x00000800 // crc error
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274 #define RFD_RX_ALIGNMENT 0x00000400 // alignment error
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275 #define RFD_RX_RESOURCE 0x00000200 // out of space, no resources
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276 #define RFD_RX_DMA_OVER 0x00000100 // DMA overrun
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277 #define RFD_RX_SHORT 0x00000080 // short frame error
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278 #define RFD_RX_LENGTH 0x00000020 //
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279 #define RFD_RX_ERROR 0x00000010 // receive error
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280 #define RFD_RX_NO_ADR_MATCH 0x00000004 // no address match
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281 #define RFD_RX_IA_MATCH 0x00000002 // individual address does not match
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282 #define RFD_RX_TCO 0x00000001 // TCO indication
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283
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284
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285 typedef struct {
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286 volatile cyg_uint32 count:14, // bytes used in buffer
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287 f:1, // buffer has been used (filled)
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288 eof:1; // last receive buffer in frame
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289 volatile cyg_uint32 next_rbd; // next RBD (RU base relative)
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290 volatile cyg_uint32 buffer_address; // address of receive data buffer
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291 volatile cyg_uint32 size:15, // size of the associated buffer
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292 el:1; // buffer of this RBD is last
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293 } RBD;
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294
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295
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296 // ------------------------------------------------------------------------
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297 //
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298 // TRANSMIT FRAME DESCRIPTORS
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299 //
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300 // ------------------------------------------------------------------------
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301 typedef struct {
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302 volatile cyg_uint32 status:16, // result of transmit operation
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303 command:16; // transmit command
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304 volatile cyg_uint32 link; // offset from RU base to next RFD
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305 volatile cyg_uint32 tbd_address; // pointer to Rx data buffer
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306 volatile cyg_uint32 count:15, // number of bytes in transmit buffer
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307 eof:1,
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308 tx_threshold:8,
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309 tbd_number:8;
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310 volatile cyg_uint8 buffer[0]; // data buffer (simple mode)
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311 } TxCB;
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312
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313
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314 #define TxCB_CMD_TRANSMIT 0x0004 // transmit command
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315 #define TxCB_CMD_SF 0x0008 // 0=simplified, 1=flexible mode
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316 #define TxCB_CMD_NC 0x0010 // 0=CRC insert by controller
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317 #define TxCB_CMD_I 0x2000 // generate interrupt on completion
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318 #define TxCB_CMD_S 0x4000 // suspend on completion
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319 #define TxCB_CMD_EL 0x8000 // last command block in CBL
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320
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321
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322 // ------------------------------------------------------------------------
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323 //
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324 // STRUCTURES ADDED FOR PROMISCUOUS MODE
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325 //
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326 // ------------------------------------------------------------------------
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327 typedef struct {
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328 cyg_uint32 cb_status_word:13,
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329 cb_ok:1,
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330 cb_dc:1,
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331 cb_complete:1,
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332 cb_cmd:3,
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333 cb_cmd_word:10,
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334 cb_int:1,
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335 cb_suspend:1,
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336 cb_el:1;
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337 cyg_uint32 cb_link_offset;
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338 } CB_STRUCT;
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339
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340
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341 typedef struct {
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342 CB_STRUCT cb_entry;
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343 cyg_uint8 config_bytes[24];
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344 } CONFIG_CMD_STRUCT;
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345
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346 // ------------------------------------------------------------------------
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347 //
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348 // STATISTICAL COUNTER STRUCTURE
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349 //
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350 // ------------------------------------------------------------------------
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351 #ifdef KEEP_STATISTICS
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352 typedef struct {
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353 cyg_uint32 tx_good;
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354 cyg_uint32 tx_max_collisions;
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355 cyg_uint32 tx_late_collisions;
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356 cyg_uint32 tx_underrun;
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357 cyg_uint32 tx_carrier_loss;
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358 cyg_uint32 tx_deferred;
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359 cyg_uint32 tx_single_collisions;
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360 cyg_uint32 tx_mult_collisions;
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361 cyg_uint32 tx_total_collisions;
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362 cyg_uint32 rx_good;
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363 cyg_uint32 rx_crc_errors;
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364 cyg_uint32 rx_align_errors;
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365 cyg_uint32 rx_resource_errors;
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366 cyg_uint32 rx_overrun_errors;
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367 cyg_uint32 rx_collisions;
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368 cyg_uint32 rx_short_frames;
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369 cyg_uint32 done;
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370 } I82559_COUNTERS;
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371
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372
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373 typedef struct {
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374 cyg_uint32 rx_count;
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375 cyg_uint32 rx_deliver;
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376 cyg_uint32 rx_resource;
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377 cyg_uint32 rx_restart;
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378 cyg_uint32 tx_count;
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379 cyg_uint32 tx_complete;
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380 cyg_uint32 tx_dropped;
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381 } STATISTICS;
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382
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383
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384 STATISTICS statistics[2];
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385 I82559_COUNTERS i82559_counters[2];
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386
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387 #endif // KEEP_STATISTICS
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388
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389 // ------------------------------------------------------------------------
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390
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391 #define MAX_RX_PACKET_SIZE 1536 // maximum Rx packet size
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392 #define MAX_TX_PACKET_SIZE 1536 // maximum Tx packet size
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393
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394 #ifndef MAX_RX_DESCRIPTORS
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395 #define MAX_RX_DESCRIPTORS 128 // number of Rx descriptors
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396 #endif
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397 #ifndef MAX_TX_DESCRIPTORS
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398 #define MAX_TX_DESCRIPTORS 128 // number of Tx descriptors
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399 #endif
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400
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401
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402
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403 typedef struct i82559 {
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404 cyg_uint8 // (split up for atomic byte access)
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405 found:1, // was hardware discovered?
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406 mac_addr_ok:1, // can we bring up?
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407 active:1, // has this if been brung up?
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408 spare1:5;
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409 cyg_uint8
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410 out_of_resources:1, // need to restart rx engine.
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411 spare2:7;
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412 cyg_uint8
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413 tx_in_progress:1, // transmit in progress flag
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414 tx_queue_full:1, // all Tx descriptors used flag
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415 spare3:6;
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416 cyg_uint8 index; // 0 or 1 or whatever
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417 cyg_uint32 devid; // PCI device id
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418 cyg_uint32 memory_address; // PCI memory address
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419 cyg_uint32 io_address; // memory mapped I/O address
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420 cyg_uint8 mac_address[6]; // mac (hardware) address
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421 void *ndp; // Network Device Pointer
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422
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423 int next_rx_descriptor; // descriptor index for RFDs
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424 RFD *rx_ring[MAX_RX_DESCRIPTORS]; // location of Rx descriptors
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425
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426 int tx_descriptor_add; // descriptor index for additions
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427 int tx_descriptor_remove; // descriptor index for removals
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428 TxCB *tx_ring[MAX_TX_DESCRIPTORS]; // location of Tx descriptors
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429 unsigned long tx_keys[MAX_TX_DESCRIPTORS];
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430 // keys for tx q management
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431
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432 // Interrupt handling stuff
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433 cyg_vector_t vector; // interrupt vector
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434 cyg_handle_t interrupt_handle; // handle for int.handler
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435 cyg_interrupt interrupt_object;
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436
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437 #ifdef KEEP_STATISTICS
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438 void *p_statistics; // pointer to statistical counters
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439 #endif
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440
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441 } I82559;
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442
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443
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444 // This is encapsulated here so that a change to > 2 interfaces can
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445 // easily be accommodated.
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446
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447 #define IF_BAD_82559( _p_ ) \
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448 CYG_ASSERT( (&i82559[0] == (_p_)) || (&i82559[1] == (_p_)), \
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449 "Bad pointer-to-i82559" ); \
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450 if ( (&i82559[0] != (_p_)) && (&i82559[1] != (_p_)) )
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451
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452 // ------------------------------------------------------------------------
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453 // Instantiate the interfaces that we have:
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454
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455 #define MAX_82559 2 // number of interfaces
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456
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457 I82559 i82559[MAX_82559]; // i82559 device info. structure
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458
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459 // eth0
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460
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461 ETH_DRV_SC(ebsa285_sc0,
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462 &i82559[0], // Driver specific data
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463 "eth0", // Name for this interface
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464 i82559_start,
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465 i82559_stop,
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466 i82559_ioctl,
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467 i82559_can_send,
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468 i82559_send,
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469 i82559_recv);
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470
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471 NETDEVTAB_ENTRY(ebsa285_netdev0,
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472 "ebsa285-0",
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473 ebsa285_i82559_init,
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474 &ebsa285_sc0);
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475
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476 #if 1
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477
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478 // eth1
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479
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480 ETH_DRV_SC(ebsa285_sc1,
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481 &i82559[1], // Driver specific data
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482 "eth1", // Name for this interface
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483 i82559_start,
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484 i82559_stop,
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485 i82559_ioctl,
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486 i82559_can_send,
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487 i82559_send,
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488 i82559_recv);
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489
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490 NETDEVTAB_ENTRY(ebsa285_netdev1,
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491 "ebsa285-1",
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492 ebsa285_i82559_init,
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493 &ebsa285_sc1);
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494
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495 #else
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496 int ebsa285_netdev1 = -1; // for asserts about valid addresses
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497 int ebsa285_sc1 = -1;
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498 #endif // eth1 is included
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499
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500 // This is in a macro so that if more devices arrive it can easily be changed
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501 #define CHECK_NDP_SC_LINK() CYG_MACRO_START \
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502 CYG_ASSERT( ((void *)ndp == (void *)&ebsa285_netdev0) || \
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503 ((void *)ndp == (void *)&ebsa285_netdev1), "Bad ndp" ); \
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504 CYG_ASSERT( ((void *)sc == (void *)&ebsa285_sc0) || \
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505 ((void *)sc == (void *)&ebsa285_sc1), "Bad sc" ); \
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506 CYG_ASSERT( (void *)p_i82559 == sc->driver_private, "sc pointer bad" );\
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507 CYG_MACRO_END
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508
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509 // ------------------------------------------------------------------------
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510 //
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511 // Communications from ISR to DSR
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512 //
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513 // ------------------------------------------------------------------------
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514
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515 #define PACKET_RX 1
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516 #define PACKET_TX 2
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517
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518 typedef struct {
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519 cyg_uint32 request;
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520 void *p;
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521 unsigned long key;
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522 } I82559_QUEUE;
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523
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524 // 82559 thread request queue
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525 #define I82559_QUEUE_SIZE \
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526 ((MAX_RX_DESCRIPTORS + MAX_TX_DESCRIPTORS) * MAX_82559)
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527
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528 I82559_QUEUE i82559_queue[I82559_QUEUE_SIZE];
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529 int i82559_q_in; // queue insertion index
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530 int i82559_q_out; // queue removal index
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531 int i82559_q_full; // queue full flag
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532
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533
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534 // ------------------------------------------------------------------------
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535 //
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536 // Managing the memory that is windowed onto the PCI bus
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537 //
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538 // ------------------------------------------------------------------------
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539
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540 static cyg_uint32 i82559_heap_size;
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541 static cyg_uint8 *i82559_heap_base;
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542 static cyg_uint8 *i82559_heap_free;
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543
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544 static void *mem_reserved_ioctl = (void*)0;
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545 // uncacheable memory reserved for ioctl calls
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546
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547 // ------------------------------------------------------------------------
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548 //
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549 // FUNCTION PROTOTYPES
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550 //
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551 // ------------------------------------------------------------------------
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552
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553 static int pci_init_find_82559s(void);
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554
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555 static void i82559_reset(struct i82559* p_i82559);
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556
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557 static void InitRxRing(struct i82559* p_i82559);
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558 static void ResetRxRing(struct i82559* p_i82559);
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559 static void PacketRxReady(struct i82559* p_i82559);
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560 static void InitTxRing(struct i82559* p_i82559);
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561 static void ResetTxRing(struct i82559* p_i82559);
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562
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563 static int write_enable_eeprom(long , int );
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564 static void program_eeprom(cyg_uint32 , cyg_uint32 , cyg_uint8 * );
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565
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566 static int eth_set_promiscuous_mode(struct i82559* p_i82559);
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567
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568 // ------------------------------------------------------------------------
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569 // utility that is used in statistics routine
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570 // ------------------------------------------------------------------------
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571 static inline void wait_for_cmd_done(long scb_ioaddr)
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572 {
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573 int wait = 10000;
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574 do /* nothing */ ;
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575 while( INB(scb_ioaddr) && --wait >= 0);
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576 }
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577
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578 static inline void Mask82559Interrupt(struct i82559* p_i82559)
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parents:
diff changeset
579 {
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parents:
diff changeset
580 cyg_drv_interrupt_mask(p_i82559->vector);
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jlarmour
parents:
diff changeset
581 cyg_drv_interrupt_mask(CYGNUM_HAL_INTERRUPT_PCI_IRQ);
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parents:
diff changeset
582 }
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diff changeset
583
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jlarmour
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diff changeset
584 static inline void UnMask82559Interrupt(struct i82559* p_i82559)
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diff changeset
585 {
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diff changeset
586 cyg_drv_interrupt_unmask(p_i82559->vector);
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diff changeset
587 cyg_drv_interrupt_unmask(CYGNUM_HAL_INTERRUPT_PCI_IRQ);
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jlarmour
parents:
diff changeset
588 }
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diff changeset
589
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diff changeset
590
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diff changeset
591 static void udelay(int delay)
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diff changeset
592 {
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diff changeset
593 int i;
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diff changeset
594 // the loop is going to take 3 ticks. At 228 MHz, to give uS, multiply
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diff changeset
595 // by 228/3 = 76 near enough. No volatile is needed on i; gcc recognizes
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596 // delay loops and does NOT elide them.
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diff changeset
597 for ( i = 76 * delay; i ; i--)
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598 ;
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599 }
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600
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diff changeset
601 // ------------------------------------------------------------------------
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jlarmour
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diff changeset
602 //
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jlarmour
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diff changeset
603 //
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604 // CODE FOR DEBUGGING PURPOSES ONLY
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jlarmour
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diff changeset
605 //
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jlarmour
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diff changeset
606 //
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607 // ------------------------------------------------------------------------
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608 void dump_txcb(TxCB *p_txcb)
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diff changeset
609 {
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610 os_printf("TxCB @ %x\n", (int)p_txcb);
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611 os_printf("status = %04X ", p_txcb->status);
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diff changeset
612 os_printf("command = %04X ", p_txcb->command);
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diff changeset
613 os_printf("link = %08X ", p_txcb->link);
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diff changeset
614 os_printf("tbd = %08X ", p_txcb->tbd_address);
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diff changeset
615 os_printf("count = %d ", p_txcb->count);
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diff changeset
616 os_printf("eof = %x ", p_txcb->eof);
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617 os_printf("threshold = %d ", p_txcb->tx_threshold);
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618 os_printf("tbd number = %d\n", p_txcb->tbd_number);
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diff changeset
619 }
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diff changeset
620
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diff changeset
621
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622 // This is intended to be the body of a THREAD that prints stuff every 10
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jlarmour
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diff changeset
623 // seconds or so:
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diff changeset
624 #ifdef KEEP_STATISTICS
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625 #ifdef DISPLAY_STATISTICS
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diff changeset
626 void DisplayStatistics(void)
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627 {
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diff changeset
628 int i;
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diff changeset
629 I82559_COUNTERS *p_statistics;
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630 cyg_uint32 *p_counter;
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diff changeset
631 cyg_uint32 *p_register;
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diff changeset
632 int reg_count;
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diff changeset
633 int status;
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diff changeset
634
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diff changeset
635 while ( 1 ) {
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636 #ifdef DISPLAY_82559_STATISTICS
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diff changeset
637 for ( i = 0; i < 2; i ++ ) {
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diff changeset
638 p_statistics = (I82559_COUNTERS *)i82559[i].p_statistics;
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diff changeset
639 if ( (p_statistics->done & 0xFFFF) == 0xA007 ) {
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diff changeset
640 p_counter = (cyg_uint32 *)&i82559_counters[i];
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641 p_register = (cyg_uint32 *)&p_statistics->tx_good;
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diff changeset
642 for ( reg_count = 20; reg_count != 0; reg_count--) {
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643 *p_counter += *p_register;
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diff changeset
644 p_counter++;
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diff changeset
645 p_register++;
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diff changeset
646 }
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diff changeset
647 p_statistics->done = 0;
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jlarmour
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diff changeset
648 // make sure no command operating
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649 wait_for_cmd_done(i82559[i].io_address + SCBCmd);
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diff changeset
650 // start register dump
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diff changeset
651 OUTW(CU_DUMPSTATS, i82559[i].io_address + SCBCmd);
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652 }
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653 }
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654 #endif
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655 os_printf("\nRx\nPackets = %d %d\n",
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656 statistics[0].rx_count, statistics[1].rx_count);
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diff changeset
657 os_printf("Deliver %d %d\n",
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jlarmour
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diff changeset
658 statistics[0].rx_deliver, statistics[1].rx_deliver);
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diff changeset
659 os_printf("Resource %d %d\n",
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jlarmour
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diff changeset
660 statistics[0].rx_resource, statistics[1].rx_resource);
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diff changeset
661 os_printf("Restart %d %d\n",
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diff changeset
662 statistics[0].rx_restart, statistics[1].rx_restart);
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jlarmour
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diff changeset
663
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jlarmour
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diff changeset
664 #ifdef DISPLAY_82559_STATISTICS
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diff changeset
665 os_printf("Count %d %d\n",
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diff changeset
666 i82559_counters[0].rx_good, i82559_counters[1].rx_good);
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diff changeset
667 os_printf("CRC %d %d\n",
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jlarmour
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diff changeset
668 i82559_counters[0].rx_crc_errors, i82559_counters[1].rx_crc_errors);
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diff changeset
669 os_printf("Align %d %d\n",
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jlarmour
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diff changeset
670 i82559_counters[0].rx_align_errors, i82559_counters[1].rx_align_errors);
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diff changeset
671 os_printf("Resource %d %d\n",
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diff changeset
672 i82559_counters[0].rx_resource_errors, i82559_counters[1].rx_resource_errors);
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diff changeset
673 os_printf("Overrun %d %d\n",
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jlarmour
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diff changeset
674 i82559_counters[0].rx_overrun_errors, i82559_counters[1].rx_overrun_errors);
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diff changeset
675 os_printf("Collision %d %d\n",
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jlarmour
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diff changeset
676 i82559_counters[0].rx_collisions, i82559_counters[1].rx_collisions);
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diff changeset
677 os_printf("Short %d %d\n",
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jlarmour
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diff changeset
678 i82559_counters[0].rx_short_frames, i82559_counters[1].rx_short_frames);
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diff changeset
679 #endif
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diff changeset
680 os_printf("\nTx\nPackets = %d %d\n",
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diff changeset
681 statistics[0].tx_count, statistics[1].tx_count);
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diff changeset
682 os_printf("Complete %d %d\n",
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jlarmour
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diff changeset
683 statistics[0].tx_complete, statistics[1].tx_complete);
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jlarmour
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diff changeset
684 os_printf("Dropped %d %d\n",
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jlarmour
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diff changeset
685 statistics[0].tx_dropped, statistics[1].tx_dropped);
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jlarmour
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diff changeset
686 os_printf("Count %d %d\n",
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jlarmour
parents:
diff changeset
687 i82559_counters[0].tx_good, i82559_counters[1].tx_good);
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jlarmour
parents:
diff changeset
688 #ifdef DISPLAY_82559_STATISTICS
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diff changeset
689 os_printf("Collision %d %d\n",
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jlarmour
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diff changeset
690 i82559_counters[0].tx_max_collisions,i82559_counters[1].tx_max_collisions);
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jlarmour
parents:
diff changeset
691 os_printf("Late Col. %d %d\n",
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jlarmour
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diff changeset
692 i82559_counters[0].tx_late_collisions,i82559_counters[1].tx_late_collisions);
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jlarmour
parents:
diff changeset
693 os_printf("Underrun %d %d\n",
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jlarmour
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diff changeset
694 i82559_counters[0].tx_underrun,i82559_counters[1].tx_underrun);
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jlarmour
parents:
diff changeset
695 os_printf("Carrier %d %d\n",
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jlarmour
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diff changeset
696 i82559_counters[0].tx_carrier_loss,i82559_counters[1].tx_carrier_loss);
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jlarmour
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diff changeset
697 os_printf("Deferred %d %d\n",
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jlarmour
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diff changeset
698 i82559_counters[0].tx_deferred, i82559_counters[1].tx_deferred);
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jlarmour
parents:
diff changeset
699 os_printf("1 Col %d %d\n",
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jlarmour
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diff changeset
700 i82559_counters[0].tx_single_collisions, i82559_counters[0].tx_single_collisions);
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jlarmour
parents:
diff changeset
701 os_printf("Mult. Col %d %d\n",
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jlarmour
parents:
diff changeset
702 i82559_counters[0].tx_mult_collisions, i82559_counters[0].tx_mult_collisions);
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jlarmour
parents:
diff changeset
703 os_printf("Total Col %d %d\n",
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jlarmour
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diff changeset
704 i82559_counters[0].tx_total_collisions, i82559_counters[0].tx_total_collisions);
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diff changeset
705 #endif
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diff changeset
706 status = INB(i82559[0].io_address + SCBGenStatus);
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diff changeset
707 os_printf("Interface 0 Link = %s, %s Mbps, %s Duplex\n",
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jlarmour
parents:
diff changeset
708 status & GEN_STATUS_LINK ? "Up" : "Down",
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jlarmour
parents:
diff changeset
709 status & GEN_STATUS_100MBPS ? "100" : "10",
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jlarmour
parents:
diff changeset
710 status & GEN_STATUS_FDX ? "Full" : "Half");
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jlarmour
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diff changeset
711
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diff changeset
712 status = INB(i82559[1].io_address + SCBGenStatus);
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parents:
diff changeset
713 os_printf("Interface 1 Link = %s, %s Mbps, %s Duplex\n",
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jlarmour
parents:
diff changeset
714 status & GEN_STATUS_LINK ? "Up" : "Down",
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
715 status & GEN_STATUS_100MBPS ? "100" : "10",
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
716 status & GEN_STATUS_FDX ? "Full" : "Half");
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
717
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
718 cyg_thread_delay(1000);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
719 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
720 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
721 #endif // DISPLAY_STATISTICS
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
722 #endif // KEEP_STATISTICS
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
723
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
724 void dump_rfd(RFD *p_rfd, int anyway )
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
725 {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
726 if ( (0 != p_rfd->status) || anyway ) {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
727 os_printf("RFD @ %x = ", (int)p_rfd);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
728 os_printf("status = %x ", p_rfd->status);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
729 os_printf("link = %x ", p_rfd->link);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
730 // os_printf("rdb_address = %x ", p_rfd->rdb_address);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
731 os_printf("count = %x ", p_rfd->count);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
732 os_printf("f = %x ", p_rfd->f);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
733 os_printf("eof = %x ", p_rfd->eof);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
734 os_printf("size = %x\n", p_rfd->size);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
735 os_printf("[%04x %04x %04x] ",
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
736 *((cyg_uint16 *)(&(p_rfd->buffer[0]))),
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
737 *((cyg_uint16 *)(&(p_rfd->buffer[2]))),
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
738 *((cyg_uint16 *)(&(p_rfd->buffer[4]))) );
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
739 os_printf("[%04x %04x %04x] %04x : ",
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
740 *((cyg_uint16 *)(&(p_rfd->buffer[6]))),
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
741 *((cyg_uint16 *)(&(p_rfd->buffer[8]))),
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
742 *((cyg_uint16 *)(&(p_rfd->buffer[10]))),
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
743 *((cyg_uint16 *)(&(p_rfd->buffer[12]))) );
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
744 os_printf("(%04x %04x %04x %04x) ",
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
745 *((cyg_uint16 *)(&(p_rfd->buffer[14]))),
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
746 *((cyg_uint16 *)(&(p_rfd->buffer[16]))),
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
747 *((cyg_uint16 *)(&(p_rfd->buffer[18]))),
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
748 *((cyg_uint16 *)(&(p_rfd->buffer[20]))) );
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
749 os_printf("[%04x %04x %04x] ",
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
750 *((cyg_uint16 *)(&(p_rfd->buffer[22]))),
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
751 *((cyg_uint16 *)(&(p_rfd->buffer[24]))),
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
752 *((cyg_uint16 *)(&(p_rfd->buffer[26]))) );
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
753 os_printf("%d.%d.%d.%d ",
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
754 *((cyg_uint8 *)(&(p_rfd->buffer[28]))),
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
755 *((cyg_uint8 *)(&(p_rfd->buffer[29]))),
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
756 *((cyg_uint8 *)(&(p_rfd->buffer[30]))),
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
757 *((cyg_uint8 *)(&(p_rfd->buffer[31]))) );
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
758 os_printf("[%04x %04x %04x] ",
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
759 *((cyg_uint16 *)(&(p_rfd->buffer[32]))),
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
760 *((cyg_uint16 *)(&(p_rfd->buffer[34]))),
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
761 *((cyg_uint16 *)(&(p_rfd->buffer[36]))) );
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
762 os_printf("%d.%d.%d.%d ...\n",
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
763 *((cyg_uint8 *)(&(p_rfd->buffer[38]))),
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
764 *((cyg_uint8 *)(&(p_rfd->buffer[39]))),
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
765 *((cyg_uint8 *)(&(p_rfd->buffer[40]))),
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
766 *((cyg_uint8 *)(&(p_rfd->buffer[41]))) );
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
767 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
768 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
769
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
770 void dump_all_rfds( int intf )
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
771 {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
772 struct i82559* p_i82559 = &i82559[intf];
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
773 int i, j;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
774 j = p_i82559->next_rx_descriptor;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
775 os_printf("rx descriptors for interface %d (eth%d):\n", intf, intf );
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
776 for ( i = 0; i < MAX_RX_DESCRIPTORS; i++ )
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
777 dump_rfd( p_i82559->rx_ring[i], (i > (j-3) && (i <= j)) );
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
778 os_printf("next rx descriptor = %x\n\n", j);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
779 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
780
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
781
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
782 void dump_packet(cyg_uint8 *p_buffer, int length)
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
783 {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
784 int count;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
785
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
786 count = 0;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
787 while ( length > 0 ) {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
788 if ( count == 0 )
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
789 os_printf("\n");
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
790 count = (count + 1) & 0x0F;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
791 os_printf("%02X ", *p_buffer++);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
792 length--;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
793 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
794 os_printf("\n");
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
795 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
796
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
797
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
798
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
799 // ------------------------------------------------------------------------
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
800 // Memory management
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
801 //
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
802 // Simply carve off from the front of the PCI mapped window into real memory
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
803
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
804 static void *pciwindow_mem_alloc(int size)
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
805 {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
806 void *p_memory;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
807
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
808 CYG_ASSERT(
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
809 (CYGHWR_HAL_ARM_EBSA285_PCI_MEM_MAP_BASE <= (int)i82559_heap_free)
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
810 &&
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
811 ((CYGHWR_HAL_ARM_EBSA285_PCI_MEM_MAP_BASE +
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
812 CYGHWR_HAL_ARM_EBSA285_PCI_MEM_MAP_SIZE) > (int)i82559_heap_free)
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
813 &&
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
814 (0 < i82559_heap_size)
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
815 &&
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
816 (CYGHWR_HAL_ARM_EBSA285_PCI_MEM_MAP_SIZE >= i82559_heap_size)
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
817 &&
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
818 (CYGHWR_HAL_ARM_EBSA285_PCI_MEM_MAP_BASE == (int)i82559_heap_base),
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
819 "Heap variables corrupted" );
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
820
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
821 p_memory = (void *)0;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
822 size = (size + 3) & ~3;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
823 if ( (i82559_heap_free+size) < (i82559_heap_base+i82559_heap_size) ) {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
824 cyg_uint32 *p;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
825 p_memory = (void *)i82559_heap_free;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
826 i82559_heap_free += size;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
827 for ( p = (cyg_uint32 *)p_memory; size > 0; size -= 4 )
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
828 *p++ = 0;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
829 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
830
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
831 return p_memory;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
832 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
833
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
834
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
835
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
836 // ------------------------------------------------------------------------
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
837 //
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
838 // READ EEPROM
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
839 //
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
840 // ------------------------------------------------------------------------
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
841 static int read_eeprom(long ioaddr, int location, int addr_len)
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
842 {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
843 unsigned short retval = 0;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
844 int ee_addr = ioaddr + SCBeeprom;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
845 int read_cmd = location | EE_READ_CMD;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
846 int i;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
847
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
848 OUTW(EE_ENB & ~EE_CS, ee_addr);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
849 eeprom_delay(1);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
850 OUTW(EE_ENB, ee_addr);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
851 eeprom_delay(1);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
852
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
853 // Shift the read command bits out.
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jlarmour
parents:
diff changeset
854 for (i = 12; i >= 0; i--) {
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jlarmour
parents:
diff changeset
855 short dataval = (read_cmd & (1 << i)) ? EE_DATA_WRITE : 0;
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jlarmour
parents:
diff changeset
856 OUTW(EE_ENB | dataval, ee_addr);
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jlarmour
parents:
diff changeset
857 eeprom_delay(1);
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jlarmour
parents:
diff changeset
858 OUTW(EE_ENB | dataval | EE_SHIFT_CLK, ee_addr);
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jlarmour
parents:
diff changeset
859 eeprom_delay(1);
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jlarmour
parents:
diff changeset
860 }
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jlarmour
parents:
diff changeset
861 OUTW(EE_ENB, ee_addr);
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jlarmour
parents:
diff changeset
862 eeprom_delay(1);
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jlarmour
parents:
diff changeset
863
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jlarmour
parents:
diff changeset
864 for (i = 15; i >= 0; i--) {
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jlarmour
parents:
diff changeset
865 OUTW(EE_ENB | EE_SHIFT_CLK, ee_addr);
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jlarmour
parents:
diff changeset
866 eeprom_delay(1);
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jlarmour
parents:
diff changeset
867 retval = (retval << 1) | ((INW(ee_addr) & EE_DATA_READ) ? 1 : 0);
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jlarmour
parents:
diff changeset
868 OUTW(EE_ENB, ee_addr);
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jlarmour
parents:
diff changeset
869 eeprom_delay(1);
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jlarmour
parents:
diff changeset
870 }
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jlarmour
parents:
diff changeset
871
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jlarmour
parents:
diff changeset
872 // Terminate the EEPROM access.
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jlarmour
parents:
diff changeset
873 OUTW(EE_ENB & ~EE_CS, ee_addr);
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jlarmour
parents:
diff changeset
874 return retval;
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jlarmour
parents:
diff changeset
875 }
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jlarmour
parents:
diff changeset
876
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jlarmour
parents:
diff changeset
877
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jlarmour
parents:
diff changeset
878 // ------------------------------------------------------------------------
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jlarmour
parents:
diff changeset
879 //
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jlarmour
parents:
diff changeset
880 // NETWORK INTERFACE INITIALIZATION
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jlarmour
parents:
diff changeset
881 //
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jlarmour
parents:
diff changeset
882 // Function : Init82559
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jlarmour
parents:
diff changeset
883 //
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jlarmour
parents:
diff changeset
884 // Description :
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jlarmour
parents:
diff changeset
885 // This routine resets, configures, and initializes the chip.
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jlarmour
parents:
diff changeset
886 // It also clears the ethernet statistics structure, and selects
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jlarmour
parents:
diff changeset
887 // which statistics are supported by this driver.
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jlarmour
parents:
diff changeset
888 //
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jlarmour
parents:
diff changeset
889 // ------------------------------------------------------------------------
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jlarmour
parents:
diff changeset
890 static bool
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jlarmour
parents:
diff changeset
891 ebsa285_i82559_init(struct cyg_netdevtab_entry * ndp)
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jlarmour
parents:
diff changeset
892 {
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jlarmour
parents:
diff changeset
893 static int initialized = 0; // only probe PCI et al *once*
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jlarmour
parents:
diff changeset
894
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jlarmour
parents:
diff changeset
895 struct eth_drv_sc *sc;
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jlarmour
parents:
diff changeset
896 cyg_uint32 selftest;
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jlarmour
parents:
diff changeset
897 volatile cyg_uint32 *p_selftest;
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jlarmour
parents:
diff changeset
898 cyg_uint32 ioaddr;
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jlarmour
parents:
diff changeset
899 cyg_uint16 checksum;
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jlarmour
parents:
diff changeset
900 int count;
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jlarmour
parents:
diff changeset
901 int i;
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jlarmour
parents:
diff changeset
902 int addr_length;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
903 cyg_uint8 mac_address[6];
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
904 struct i82559 *p_i82559;
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jlarmour
parents:
diff changeset
905
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jlarmour
parents:
diff changeset
906 #ifdef DEBUG
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
907 db_printf("ebsa285_i82559_init\n");
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
908 #endif
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jlarmour
parents:
diff changeset
909
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jlarmour
parents:
diff changeset
910 sc = (struct eth_drv_sc *)(ndp->device_instance);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
911 p_i82559 = (struct i82559 *)(sc->driver_private);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
912
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
913 IF_BAD_82559( p_i82559 ) {
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jlarmour
parents:
diff changeset
914 os_printf( "Bad device private pointer %x\n", sc->driver_private );
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
915 return 0;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
916 }
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jlarmour
parents:
diff changeset
917
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jlarmour
parents:
diff changeset
918 CHECK_NDP_SC_LINK();
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jlarmour
parents:
diff changeset
919
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jlarmour
parents:
diff changeset
920 if ( 0 == initialized++ ) {
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jlarmour
parents:
diff changeset
921 // then this is the first time ever:
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jlarmour
parents:
diff changeset
922 if ( ! pci_init_find_82559s() ) {
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jlarmour
parents:
diff changeset
923 os_printf( "pci_init_find_82559s failed" );
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jlarmour
parents:
diff changeset
924 return 0;
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jlarmour
parents:
diff changeset
925 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
926 }
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jlarmour
parents:
diff changeset
927
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jlarmour
parents:
diff changeset
928 if ( ! p_i82559->found ) // no device on PCI bus
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jlarmour
parents:
diff changeset
929 return (0);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
930
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
931 ioaddr = p_i82559->io_address; // get I/O address for 82559
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
932
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
933 #ifdef DEBUG
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
934 os_printf("Init82559 %d @ %x\n82559 Self Test\n",
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
935 p_i82559->index, (int)ndp);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
936 #endif
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
937
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
938 Mask82559Interrupt(p_i82559);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
939
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jlarmour
parents:
diff changeset
940 wait_for_cmd_done(ioaddr + SCBCmd); // make sure no command operating
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
941
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
942 i82559_reset(p_i82559);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
943
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
944 // Perform a system self-test. (get enough mem to round address)
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
945 if ( (selftest = (cyg_uint32)pciwindow_mem_alloc(32) ) == 0)
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
946 return (0);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
947 p_selftest = (cyg_uint32 *) ((selftest + 15) & ~0xf);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
948 p_selftest[0] = p_selftest[1] = -1;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
949
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jlarmour
parents:
diff changeset
950 OUTL( (VIRT_TO_BUS(p_selftest)) | I82559_SELFTEST, ioaddr + SCBPort);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
951 count = 0x7FFFF; // Timeout for self-test.
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
952 do {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
953 udelay(10);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
954 } while ( (p_selftest[1] == -1) && (--count >= 0) );
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
955
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
956 UnMask82559Interrupt(p_i82559);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
957
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
958 if (count < 0) {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
959 // Test timed out.
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
960 os_printf("Self test failed\n");
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
961 return (0);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
962 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
963 #ifdef DEBUG
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
964 os_printf(" General self-test: %s.\n"
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
965 " Serial sub-system self-test: %s.\n"
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
966 " Internal registers self-test: %s.\n"
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
967 " ROM checksum self-test: %s (%08X).\n",
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
968 p_selftest[1] & 0x1000 ? "failed" : "passed",
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
969 p_selftest[1] & 0x0020 ? "failed" : "passed",
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
970 p_selftest[1] & 0x0008 ? "failed" : "passed",
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
971 p_selftest[1] & 0x0004 ? "failed" : "passed",
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
972 p_selftest[0]);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
973 #endif
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
974
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
975 // read eeprom and get 82559's mac address
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
976 addr_length = (read_eeprom(ioaddr, 0, 6) == 0xffff) ? 8 : 6;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
977 // (this is the length of the *EEPROM*s address, not MAC address)
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jlarmour
parents:
diff changeset
978
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
979 for (checksum = 0, i = 0, count = 0; count < 64; count++) {
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jlarmour
parents:
diff changeset
980 cyg_uint16 value;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
981 // read word from eeprom
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
982 value = read_eeprom(ioaddr, count, addr_length);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
983 checksum += value;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
984 if (count < 3) {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
985 mac_address[i++] = value & 0xFF;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
986 mac_address[i++] = (value >> 8) & 0xFF;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
987 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
988 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
989
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
990 // If the EEPROM checksum is wrong, the MAC address read from the
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
991 // EEPROM is probably wrong as well. In that case, we don't set
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
992 // mac_addr_ok, but continue the initialization. If then somebody calls
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
993 // i82559_start without calling eth_set_mac_address() first, we refuse
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
994 // to bring up the interface, because running with an invalid MAC
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
995 // address is not a very brilliant idea.
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
996
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
997 if ((checksum & 0xFFFF) != 0xBABA) {
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jlarmour
parents:
diff changeset
998 // selftest verified checksum, verify again
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jlarmour
parents:
diff changeset
999 os_printf( "Warning: Invalid EEPROM checksum %04X for device %d\n",
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jlarmour
parents:
diff changeset
1000 checksum, p_i82559->index);
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jlarmour
parents:
diff changeset
1001 } else {
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jlarmour
parents:
diff changeset
1002 p_i82559->mac_addr_ok = 1;
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jlarmour
parents:
diff changeset
1003 }
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jlarmour
parents:
diff changeset
1004 #ifdef DEBUG
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jlarmour
parents:
diff changeset
1005 os_printf("Valid EEPROM checksum\n");
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jlarmour
parents:
diff changeset
1006 os_printf("MAC Address = %02X %02X %02X %02X %02X %02X\n",
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jlarmour
parents:
diff changeset
1007 mac_address[0], mac_address[1], mac_address[2], mac_address[3],
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jlarmour
parents:
diff changeset
1008 mac_address[4], mac_address[5]);
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jlarmour
parents:
diff changeset
1009 #endif
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jlarmour
parents:
diff changeset
1010
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jlarmour
parents:
diff changeset
1011 // record the MAC address in the device structure
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jlarmour
parents:
diff changeset
1012 p_i82559->mac_address[0] = mac_address[0];
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jlarmour
parents:
diff changeset
1013 p_i82559->mac_address[1] = mac_address[1];
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jlarmour
parents:
diff changeset
1014 p_i82559->mac_address[2] = mac_address[2];
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jlarmour
parents:
diff changeset
1015 p_i82559->mac_address[3] = mac_address[3];
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jlarmour
parents:
diff changeset
1016 p_i82559->mac_address[4] = mac_address[4];
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jlarmour
parents:
diff changeset
1017 p_i82559->mac_address[5] = mac_address[5];
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jlarmour
parents:
diff changeset
1018
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jlarmour
parents:
diff changeset
1019 // and record the net dev pointer
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jlarmour
parents:
diff changeset
1020 p_i82559->ndp = (void *)ndp;
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jlarmour
parents:
diff changeset
1021
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jlarmour
parents:
diff changeset
1022 InitRxRing(p_i82559);
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jlarmour
parents:
diff changeset
1023 InitTxRing(p_i82559);
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jlarmour
parents:
diff changeset
1024
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jlarmour
parents:
diff changeset
1025 // Initialize upper level driver
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jlarmour
parents:
diff changeset
1026 if ( p_i82559->mac_addr_ok )
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parents:
diff changeset
1027 eth_drv_init(sc, &(p_i82559->mac_address[0]) );
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jlarmour
parents:
diff changeset
1028 else
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jlarmour
parents:
diff changeset
1029 eth_drv_init(sc, 0 );
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jlarmour
parents:
diff changeset
1030
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jlarmour
parents:
diff changeset
1031 return (1);
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jlarmour
parents:
diff changeset
1032 }
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jlarmour
parents:
diff changeset
1033
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jlarmour
parents:
diff changeset
1034
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jlarmour
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diff changeset
1035
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jlarmour
parents:
diff changeset
1036 // ------------------------------------------------------------------------
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jlarmour
parents:
diff changeset
1037 //
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jlarmour
parents:
diff changeset
1038 // Function : i82559_start
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jlarmour
parents:
diff changeset
1039 //
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jlarmour
parents:
diff changeset
1040 // ------------------------------------------------------------------------
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jlarmour
parents:
diff changeset
1041 static void i82559_start( struct eth_drv_sc *sc,
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jlarmour
parents:
diff changeset
1042 unsigned char *enaddr, int flags )
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jlarmour
parents:
diff changeset
1043 {
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jlarmour
parents:
diff changeset
1044 struct i82559 *p_i82559;
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jlarmour
parents:
diff changeset
1045 cyg_uint32 ioaddr;
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jlarmour
parents:
diff changeset
1046 #ifdef KEEP_STATISTICS
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jlarmour
parents:
diff changeset
1047 void *p_statistics;
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jlarmour
parents:
diff changeset
1048 #endif
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jlarmour
parents:
diff changeset
1049
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jlarmour
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diff changeset
1050 p_i82559 = (struct i82559 *)sc->driver_private;
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jlarmour
parents:
diff changeset
1051
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jlarmour
parents:
diff changeset
1052 IF_BAD_82559( p_i82559 ) {
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parents:
diff changeset
1053 os_printf( "i82559_start: Bad device pointer %x\n", p_i82559 );
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jlarmour
parents:
diff changeset
1054 return;
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jlarmour
parents:
diff changeset
1055 }
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jlarmour
parents:
diff changeset
1056
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jlarmour
parents:
diff changeset
1057 if ( ! p_i82559->mac_addr_ok ) {
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jlarmour
parents:
diff changeset
1058 os_printf("i82559_start %d: invalid MAC address, "
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jlarmour
parents:
diff changeset
1059 "can't bring up interface\n",
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jlarmour
parents:
diff changeset
1060 p_i82559->index );
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jlarmour
parents:
diff changeset
1061 return;
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jlarmour
parents:
diff changeset
1062 }
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jlarmour
parents:
diff changeset
1063
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jlarmour
parents:
diff changeset
1064 if ( p_i82559->active )
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jlarmour
parents:
diff changeset
1065 i82559_stop( sc );
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jlarmour
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diff changeset
1066
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jlarmour
parents:
diff changeset
1067 ioaddr = p_i82559->io_address; // get 82559's I/O address
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jlarmour
parents:
diff changeset
1068
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jlarmour
parents:
diff changeset
1069 #ifdef KEEP_STATISTICS
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jlarmour
parents:
diff changeset
1070 #ifdef DISPLAY_82559_STATISTICS
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jlarmour
parents:
diff changeset
1071 p_i82559->p_statistics =
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jlarmour
parents:
diff changeset
1072 p_statistics = pciwindow_mem_alloc(sizeof(I82559_COUNTERS));
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jlarmour
parents:
diff changeset
1073 memset(p_statistics, 0xFFFFFFFF, sizeof(I82559_COUNTERS));
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jlarmour
parents:
diff changeset
1074 wait_for_cmd_done(ioaddr + SCBCmd); // make sure no command operating
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jlarmour
parents:
diff changeset
1075 // set statistics dump address
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jlarmour
parents:
diff changeset
1076 OUTL(VIRT_TO_BUS(p_statistics), ioaddr + SCBPointer);
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jlarmour
parents:
diff changeset
1077 OUTW(SCB_M | CU_STATSADDR, ioaddr + SCBCmd);
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jlarmour
parents:
diff changeset
1078
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jlarmour
parents:
diff changeset
1079 wait_for_cmd_done(ioaddr + SCBCmd); // make sure no command operating
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jlarmour
parents:
diff changeset
1080 OUTW(SCB_M | CU_DUMPSTATS, ioaddr + SCBCmd); // start register dump
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jlarmour
parents:
diff changeset
1081 #endif
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jlarmour
parents:
diff changeset
1082 #endif
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jlarmour
parents:
diff changeset
1083
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jlarmour
parents:
diff changeset
1084 wait_for_cmd_done(ioaddr + SCBCmd); // make sure no command operating
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jlarmour
parents:
diff changeset
1085
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jlarmour
parents:
diff changeset
1086 OUTL(0, ioaddr + SCBPointer); // load ru base address = 0
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jlarmour
parents:
diff changeset
1087 OUTW(SCB_M | RUC_ADDR_LOAD, ioaddr + SCBCmd);
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jlarmour
parents:
diff changeset
1088
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jlarmour
parents:
diff changeset
1089 wait_for_cmd_done(ioaddr + SCBCmd); // wait for SCB command complete
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jlarmour
parents:
diff changeset
1090 // load pointer to Rx Ring
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jlarmour
parents:
diff changeset
1091 OUTL(VIRT_TO_BUS(p_i82559->rx_ring[0]), ioaddr + SCBPointer);
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jlarmour
parents:
diff changeset
1092 OUTW(RUC_START, ioaddr + SCBCmd);
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jlarmour
parents:
diff changeset
1093
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jlarmour
parents:
diff changeset
1094 p_i82559->out_of_resources = 0;
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jlarmour
parents:
diff changeset
1095 p_i82559->active = 1;
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jlarmour
parents:
diff changeset
1096
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jlarmour
parents:
diff changeset
1097 if ( 0
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jlarmour
parents:
diff changeset
1098 #ifdef ETH_DRV_FLAGS_PROMISC_MODE
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jlarmour
parents:
diff changeset
1099 != (flags & ETH_DRV_FLAGS_PROMISC_MODE)
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jlarmour
parents:
diff changeset
1100 #endif
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jlarmour
parents:
diff changeset
1101 ) {
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jlarmour
parents:
diff changeset
1102 eth_set_promiscuous_mode(p_i82559);
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jlarmour
parents:
diff changeset
1103 }
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jlarmour
parents:
diff changeset
1104 #ifdef DEBUG
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jlarmour
parents:
diff changeset
1105 {
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jlarmour
parents:
diff changeset
1106 int status;
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jlarmour
parents:
diff changeset
1107 status = INB(ioaddr + SCBGenStatus);
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jlarmour
parents:
diff changeset
1108 os_printf("i82559_start %d flg %x Link = %s, %s Mbps, %s Duplex\n",
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jlarmour
parents:
diff changeset
1109 p_i82559->index,
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jlarmour
parents:
diff changeset
1110 *(int *)p_i82559,
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jlarmour
parents:
diff changeset
1111 status & GEN_STATUS_LINK ? "Up" : "Down",
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jlarmour
parents:
diff changeset
1112 status & GEN_STATUS_100MBPS ? "100" : "10",
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jlarmour
parents:
diff changeset
1113 status & GEN_STATUS_FDX ? "Full" : "Half");
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jlarmour
parents:
diff changeset
1114 }
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jlarmour
parents:
diff changeset
1115 #endif
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jlarmour
parents:
diff changeset
1116 }
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jlarmour
parents:
diff changeset
1117
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jlarmour
parents:
diff changeset
1118
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jlarmour
parents:
diff changeset
1119 // ------------------------------------------------------------------------
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jlarmour
parents:
diff changeset
1120 //
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jlarmour
parents:
diff changeset
1121 // Function : BringDown82559
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jlarmour
parents:
diff changeset
1122 //
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jlarmour
parents:
diff changeset
1123 // ------------------------------------------------------------------------
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jlarmour
parents:
diff changeset
1124
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jlarmour
parents:
diff changeset
1125 static void i82559_stop( struct eth_drv_sc *sc )
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jlarmour
parents:
diff changeset
1126 {
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jlarmour
parents:
diff changeset
1127 struct i82559 *p_i82559;
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jlarmour
parents:
diff changeset
1128
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jlarmour
parents:
diff changeset
1129 p_i82559 = (struct i82559 *)sc->driver_private;
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jlarmour
parents:
diff changeset
1130
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jlarmour
parents:
diff changeset
1131 IF_BAD_82559( p_i82559 ) {
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jlarmour
parents:
diff changeset
1132 os_printf( "i82559_stop: Bad device pointer %x\n", p_i82559 );
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jlarmour
parents:
diff changeset
1133 return;
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jlarmour
parents:
diff changeset
1134 }
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jlarmour
parents:
diff changeset
1135
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jlarmour
parents:
diff changeset
1136 #ifdef DEBUG
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jlarmour
parents:
diff changeset
1137 os_printf("i82559_stop %d flg %x\n", p_i82559->index, *(int *)p_i82559 );
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jlarmour
parents:
diff changeset
1138 #endif
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jlarmour
parents:
diff changeset
1139
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jlarmour
parents:
diff changeset
1140 i82559_reset(p_i82559); // that should stop it
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jlarmour
parents:
diff changeset
1141 p_i82559->active = 0; // and stop people tormenting it
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jlarmour
parents:
diff changeset
1142
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parents:
diff changeset
1143 ResetRxRing( p_i82559 );
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jlarmour
parents:
diff changeset
1144 ResetTxRing( p_i82559 );
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jlarmour
parents:
diff changeset
1145 }
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jlarmour
parents:
diff changeset
1146
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jlarmour
parents:
diff changeset
1147
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jlarmour
parents:
diff changeset
1148 // ------------------------------------------------------------------------
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parents:
diff changeset
1149 //
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jlarmour
parents:
diff changeset
1150 // Function : InitRxRing
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jlarmour
parents:
diff changeset
1151 //
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parents:
diff changeset
1152 // ------------------------------------------------------------------------
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diff changeset
1153 static void InitRxRing(struct i82559* p_i82559)
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parents:
diff changeset
1154 {
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jlarmour
parents:
diff changeset
1155 int i;
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parents:
diff changeset
1156 RFD *rfd;
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parents:
diff changeset
1157 RFD *p_rfd = 0;
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jlarmour
parents:
diff changeset
1158 #ifdef DEBUG_82559
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parents:
diff changeset
1159 os_printf("InitRxRing %d\n", p_i82559->index);
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parents:
diff changeset
1160 #endif
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diff changeset
1161 for ( i = 0; i < MAX_RX_DESCRIPTORS; i++ ) {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
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parents:
diff changeset
1162 rfd = (RFD *)pciwindow_mem_alloc(sizeof(RFD) + MAX_RX_PACKET_SIZE);
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jlarmour
parents:
diff changeset
1163 p_i82559->rx_ring[i] = rfd;
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jlarmour
parents:
diff changeset
1164 if ( i )
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diff changeset
1165 p_rfd->link = VIRT_TO_BUS(rfd);
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parents:
diff changeset
1166 p_rfd = (RFD *)rfd;
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jlarmour
parents:
diff changeset
1167 }
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jlarmour
parents:
diff changeset
1168 // link last RFD to first:
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parents:
diff changeset
1169 p_rfd->link = VIRT_TO_BUS(p_i82559->rx_ring[0]);
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diff changeset
1170
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parents:
diff changeset
1171 ResetRxRing( p_i82559 );
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jlarmour
parents:
diff changeset
1172 }
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diff changeset
1173
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parents:
diff changeset
1174 // ------------------------------------------------------------------------
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jlarmour
parents:
diff changeset
1175 //
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jlarmour
parents:
diff changeset
1176 // Function : ResetRxRing
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jlarmour
parents:
diff changeset
1177 //
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parents:
diff changeset
1178 // ------------------------------------------------------------------------
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diff changeset
1179 static void ResetRxRing(struct i82559* p_i82559)
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parents:
diff changeset
1180 {
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parents:
diff changeset
1181 RFD *p_rfd;
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jlarmour
parents:
diff changeset
1182 int i;
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jlarmour
parents:
diff changeset
1183 #ifdef DEBUG_82559
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parents:
diff changeset
1184 os_printf("ResetRxRing %d\n", p_i82559->index);
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parents:
diff changeset
1185 #endif
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parents:
diff changeset
1186 for ( i = 0; i < MAX_RX_DESCRIPTORS; i++ ) {
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parents:
diff changeset
1187 p_rfd = p_i82559->rx_ring[i];
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parents:
diff changeset
1188 CYG_ASSERT( (cyg_uint8 *)p_rfd >= i82559_heap_base, "rfd under" );
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parents:
diff changeset
1189 CYG_ASSERT( (cyg_uint8 *)p_rfd < i82559_heap_free, "rfd over" );
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jlarmour
parents:
diff changeset
1190 CYG_ASSERT( p_i82559->rx_ring[
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jlarmour
parents:
diff changeset
1191 ( i ? (i-1) : (MAX_RX_DESCRIPTORS-1) )
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parents:
diff changeset
1192 ]->link == VIRT_TO_BUS(p_rfd), "rfd linked list broken" );
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parents:
diff changeset
1193 p_rfd->status = 0;
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parents:
diff changeset
1194 p_rfd->count = 0;
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parents:
diff changeset
1195 p_rfd->f = 0;
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parents:
diff changeset
1196 p_rfd->eof = 0;
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jlarmour
parents:
diff changeset
1197 p_rfd->rdb_address = 0xFFFFFFFF;
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jlarmour
parents:
diff changeset
1198 p_rfd->size = MAX_RX_PACKET_SIZE;
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parents:
diff changeset
1199 }
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diff changeset
1200 p_i82559->next_rx_descriptor = 0;
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jlarmour
parents:
diff changeset
1201 }
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jlarmour
parents:
diff changeset
1202
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jlarmour
parents:
diff changeset
1203 // ------------------------------------------------------------------------
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jlarmour
parents:
diff changeset
1204 //
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jlarmour
parents:
diff changeset
1205 // Function : PacketRx
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jlarmour
parents:
diff changeset
1206 //
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parents:
diff changeset
1207 // ------------------------------------------------------------------------
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jlarmour
parents:
diff changeset
1208 static void PacketRxReady(struct i82559* p_i82559)
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parents:
diff changeset
1209 {
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jlarmour
parents:
diff changeset
1210 struct cyg_netdevtab_entry *ndp;
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jlarmour
parents:
diff changeset
1211 struct eth_drv_sc *sc;
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jlarmour
parents:
diff changeset
1212 RFD *p_rfd;
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jlarmour
parents:
diff changeset
1213 int next_descriptor;
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jlarmour
parents:
diff changeset
1214 int length;
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parents:
diff changeset
1215
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parents:
diff changeset
1216 ndp = (struct cyg_netdevtab_entry *)(p_i82559->ndp);
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parents:
diff changeset
1217 sc = (struct eth_drv_sc *)(ndp->device_instance);
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jlarmour
parents:
diff changeset
1218
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jlarmour
parents:
diff changeset
1219 CHECK_NDP_SC_LINK();
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jlarmour
parents:
diff changeset
1220
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jlarmour
parents:
diff changeset
1221 next_descriptor = p_i82559->next_rx_descriptor;
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parents:
diff changeset
1222 p_rfd = p_i82559->rx_ring[next_descriptor];
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jlarmour
parents:
diff changeset
1223
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jlarmour
parents:
diff changeset
1224 CYG_ASSERT( (cyg_uint8 *)p_rfd >= i82559_heap_base, "rfd under" );
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parents:
diff changeset
1225 CYG_ASSERT( (cyg_uint8 *)p_rfd < i82559_heap_free, "rfd over" );
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jlarmour
parents:
diff changeset
1226
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jlarmour
parents:
diff changeset
1227 while ( p_rfd->status & RFD_STATUS_C ) {
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jlarmour
parents:
diff changeset
1228 p_rfd->status |= RFD_STATUS_EL;
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jlarmour
parents:
diff changeset
1229 length = p_rfd->count;
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jlarmour
parents:
diff changeset
1230
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jlarmour
parents:
diff changeset
1231 #ifdef DEBUG_82559
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jlarmour
parents:
diff changeset
1232 os_printf( "Device %d (eth%d), rx descriptor %d:\n",
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1233 p_i82559->index, p_i82559->index, next_descriptor );
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parents:
diff changeset
1234 // dump_rfd( p_rfd, 1 );
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jlarmour
parents:
diff changeset
1235 #endif
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jlarmour
parents:
diff changeset
1236
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jlarmour
parents:
diff changeset
1237 // Offer the data to the network stack
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jlarmour
parents:
diff changeset
1238 p_i82559->next_rx_descriptor = next_descriptor;
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jlarmour
parents:
diff changeset
1239 eth_drv_recv( sc, length );
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jlarmour
parents:
diff changeset
1240
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jlarmour
parents:
diff changeset
1241 p_rfd->count = 0;
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jlarmour
parents:
diff changeset
1242 p_rfd->f = 0;
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jlarmour
parents:
diff changeset
1243 p_rfd->eof = 0;
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jlarmour
parents:
diff changeset
1244 p_rfd->status = 0;
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jlarmour
parents:
diff changeset
1245 #ifdef KEEP_STATISTICS
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jlarmour
parents:
diff changeset
1246 statistics[p_i82559->index].rx_deliver++;
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jlarmour
parents:
diff changeset
1247 #endif
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jlarmour
parents:
diff changeset
1248 if (++next_descriptor >= MAX_RX_DESCRIPTORS)
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jlarmour
parents:
diff changeset
1249 next_descriptor = 0;
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jlarmour
parents:
diff changeset
1250 p_rfd = p_i82559->rx_ring[next_descriptor];
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jlarmour
parents:
diff changeset
1251
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jlarmour
parents:
diff changeset
1252 CYG_ASSERT( (cyg_uint8 *)p_rfd >= i82559_heap_base, "rfd under" );
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jlarmour
parents:
diff changeset
1253 CYG_ASSERT( (cyg_uint8 *)p_rfd < i82559_heap_free, "rfd over" );
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jlarmour
parents:
diff changeset
1254 }
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jlarmour
parents:
diff changeset
1255
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jlarmour
parents:
diff changeset
1256 if ( p_i82559->out_of_resources ) { // out of Rx resources ?
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jlarmour
parents:
diff changeset
1257 if ( ! (p_rfd->status & RFD_STATUS_C) ) { // all buffers processed ?
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jlarmour
parents:
diff changeset
1258 cyg_uint32 ioaddr;
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jlarmour
parents:
diff changeset
1259 // yes, restart RU
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jlarmour
parents:
diff changeset
1260 #ifdef KEEP_STATISTICS
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jlarmour
parents:
diff changeset
1261 statistics[p_i82559->index].rx_restart++;
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jlarmour
parents:
diff changeset
1262 #endif
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jlarmour
parents:
diff changeset
1263 next_descriptor = 0; // re-initialize next desc.
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jlarmour
parents:
diff changeset
1264 p_i82559->out_of_resources = 0; // clear out of resource flag
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jlarmour
parents:
diff changeset
1265 ioaddr = p_i82559->io_address; // get I/O address
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jlarmour
parents:
diff changeset
1266
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jlarmour
parents:
diff changeset
1267 // wait for SCB command complete
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jlarmour
parents:
diff changeset
1268 wait_for_cmd_done(ioaddr + SCBCmd);
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jlarmour
parents:
diff changeset
1269 OUTW(RUC_ABORT, ioaddr + SCBCmd);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1270
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jlarmour
parents:
diff changeset
1271 // make sure no command operating
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jlarmour
parents:
diff changeset
1272 wait_for_cmd_done(ioaddr + SCBCmd);
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jlarmour
parents:
diff changeset
1273
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jlarmour
parents:
diff changeset
1274 OUTL(0, ioaddr + SCBPointer); // load ru base address = 0
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1275 OUTW(SCB_M | RUC_ADDR_LOAD, ioaddr + SCBCmd);
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jlarmour
parents:
diff changeset
1276
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jlarmour
parents:
diff changeset
1277 // wait for SCB command complete
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jlarmour
parents:
diff changeset
1278 wait_for_cmd_done(ioaddr + SCBCmd);
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jlarmour
parents:
diff changeset
1279 // load pointer to Rx Ring
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jlarmour
parents:
diff changeset
1280 OUTL(VIRT_TO_BUS(p_i82559->rx_ring[0]),
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1281 ioaddr + SCBPointer);
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jlarmour
parents:
diff changeset
1282 OUTW(RUC_START, ioaddr + SCBCmd);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1283 }
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jlarmour
parents:
diff changeset
1284 }
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jlarmour
parents:
diff changeset
1285 p_i82559->next_rx_descriptor = next_descriptor;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1286 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1287
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1288 // and the callback function
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1289
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1290 static void i82559_recv( struct eth_drv_sc *sc,
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1291 struct eth_drv_sg *sg_list, int sg_len )
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1292 {
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jlarmour
parents:
diff changeset
1293 struct i82559 *p_i82559;
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jlarmour
parents:
diff changeset
1294 RFD *p_rfd;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1295 int next_descriptor;
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jlarmour
parents:
diff changeset
1296 int total_len;
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jlarmour
parents:
diff changeset
1297 struct eth_drv_sg *last_sg;
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jlarmour
parents:
diff changeset
1298 volatile cyg_uint8 *from_p;
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jlarmour
parents:
diff changeset
1299
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jlarmour
parents:
diff changeset
1300 p_i82559 = (struct i82559 *)sc->driver_private;
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jlarmour
parents:
diff changeset
1301
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jlarmour
parents:
diff changeset
1302 IF_BAD_82559( p_i82559 ) {
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jlarmour
parents:
diff changeset
1303 os_printf( "i82559_recv: Bad device pointer %x\n", p_i82559 );
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1304 return;
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jlarmour
parents:
diff changeset
1305 }
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jlarmour
parents:
diff changeset
1306
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jlarmour
parents:
diff changeset
1307 next_descriptor = p_i82559->next_rx_descriptor;
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jlarmour
parents:
diff changeset
1308 p_rfd = p_i82559->rx_ring[next_descriptor];
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jlarmour
parents:
diff changeset
1309
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jlarmour
parents:
diff changeset
1310 CYG_ASSERT( (cyg_uint8 *)p_rfd >= i82559_heap_base, "rfd under" );
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1311 CYG_ASSERT( (cyg_uint8 *)p_rfd < i82559_heap_free, "rfd over" );
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jlarmour
parents:
diff changeset
1312
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jlarmour
parents:
diff changeset
1313 CYG_ASSERT( p_rfd->status & RFD_STATUS_C, "No complete frame" );
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1314 CYG_ASSERT( p_rfd->status & RFD_STATUS_EL, "No marked frame" );
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jlarmour
parents:
diff changeset
1315
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jlarmour
parents:
diff changeset
1316 if ( 0 == (p_rfd->status & RFD_STATUS_C) )
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1317 return;
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jlarmour
parents:
diff changeset
1318
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jlarmour
parents:
diff changeset
1319 total_len = p_rfd->count;
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jlarmour
parents:
diff changeset
1320
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jlarmour
parents:
diff changeset
1321 #ifdef DEBUG_82559
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jlarmour
parents:
diff changeset
1322 os_printf("Rx %d %x (status %x): %d sg's, %d bytes\n",
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1323 p_i82559->index, (int)priv, p_rfd->status, sg_len, total_len);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1324 #endif
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jlarmour
parents:
diff changeset
1325
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jlarmour
parents:
diff changeset
1326 // Copy the data to the network stack
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jlarmour
parents:
diff changeset
1327 from_p = &p_rfd->buffer[0];
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1328
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1329 // check we have memory to copy into; we would be called even if
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1330 // caller was out of memory in order to maintain our state.
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1331 if ( 0 == sg_len || 0 == sg_list )
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jlarmour
parents:
diff changeset
1332 return; // caller was out of mbufs
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jlarmour
parents:
diff changeset
1333
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jlarmour
parents:
diff changeset
1334 CYG_ASSERT( 0 < sg_len, "sg_len underflow" );
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1335 CYG_ASSERT( MAX_ETH_DRV_SG >= sg_len, "sg_len overflow" );
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1336
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jlarmour
parents:
diff changeset
1337 for ( last_sg = &sg_list[sg_len]; sg_list < last_sg; sg_list++ ) {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1338 cyg_uint8 *to_p;
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jlarmour
parents:
diff changeset
1339 int l;
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jlarmour
parents:
diff changeset
1340
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jlarmour
parents:
diff changeset
1341 to_p = (cyg_uint8 *)(sg_list->buf);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1342 l = sg_list->len;
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jlarmour
parents:
diff changeset
1343
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jlarmour
parents:
diff changeset
1344 if ( 0 == l || 0 == to_p )
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jlarmour
parents:
diff changeset
1345 return; // caller was out of mbufs
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jlarmour
parents:
diff changeset
1346
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jlarmour
parents:
diff changeset
1347 if ( l > total_len )
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jlarmour
parents:
diff changeset
1348 l = total_len;
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jlarmour
parents:
diff changeset
1349
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jlarmour
parents:
diff changeset
1350 memcpy( to_p, (unsigned char *)from_p, l );
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1351 from_p += l;
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jlarmour
parents:
diff changeset
1352 total_len -= l;
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jlarmour
parents:
diff changeset
1353 }
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jlarmour
parents:
diff changeset
1354
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jlarmour
parents:
diff changeset
1355 CYG_ASSERT( 0 == total_len, "total_len mismatch in rx" );
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1356 CYG_ASSERT( last_sg == sg_list, "sg count mismatch in rx" );
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1357 CYG_ASSERT( &p_rfd->buffer[0] < from_p, "from_p wild in rx" );
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1358 CYG_ASSERT( &p_rfd->buffer[0] + MAX_RX_PACKET_SIZE >= from_p,
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1359 "from_p overflow in rx" );
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1360 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1361
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jlarmour
parents:
diff changeset
1362
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jlarmour
parents:
diff changeset
1363 // ------------------------------------------------------------------------
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1364 //
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1365 // Function : InitTxRing
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jlarmour
parents:
diff changeset
1366 //
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1367 // ------------------------------------------------------------------------
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1368 static void InitTxRing(struct i82559* p_i82559)
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1369 {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1370 int i;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1371 cyg_uint32 ioaddr;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1372
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jlarmour
parents:
diff changeset
1373 #ifdef DEBUG_82559
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1374 os_printf("InitTxRing %d\n", p_i82559->index);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1375 #endif
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1376 ioaddr = p_i82559->io_address;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1377 for ( i = 0; i < MAX_TX_DESCRIPTORS; i++) {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1378 p_i82559->tx_ring[i] = (TxCB *)pciwindow_mem_alloc(
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1379 sizeof(TxCB) + MAX_TX_PACKET_SIZE);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1380 p_i82559->tx_keys[i] = 0;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1381 }
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jlarmour
parents:
diff changeset
1382
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1383 ResetTxRing(p_i82559);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1384 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1385
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1386 // ------------------------------------------------------------------------
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1387 //
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1388 // Function : ResetTxRing
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jlarmour
parents:
diff changeset
1389 //
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1390 // ------------------------------------------------------------------------
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1391 static void ResetTxRing(struct i82559* p_i82559)
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1392 {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1393 int i;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1394 cyg_uint32 ioaddr;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1395
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1396 #ifdef DEBUG_82559
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1397 os_printf("ResetTxRing %d\n", p_i82559->index);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1398 #endif
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1399 ioaddr = p_i82559->io_address;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1400 p_i82559->tx_descriptor_add =
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jlarmour
parents:
diff changeset
1401 p_i82559->tx_descriptor_remove = 0;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1402 p_i82559->tx_in_progress =
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1403 p_i82559->tx_queue_full = 0;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1404
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jlarmour
parents:
diff changeset
1405 for ( i = 0; i < MAX_TX_DESCRIPTORS; i++) {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1406 TxCB *p_txcb = p_i82559->tx_ring[i];
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1407 CYG_ASSERT( (cyg_uint8 *)p_txcb >= i82559_heap_base, "txcb under" );
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jlarmour
parents:
diff changeset
1408 CYG_ASSERT( (cyg_uint8 *)p_txcb < i82559_heap_free, "txcb over" );
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1409
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jlarmour
parents:
diff changeset
1410 p_txcb->status = 0;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1411 p_txcb->command = 0;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1412 p_txcb->link = VIRT_TO_BUS((cyg_uint32)p_txcb);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1413 p_txcb->tbd_address = 0xFFFFFFFF;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1414 p_txcb->tbd_number = 0;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1415 p_txcb->tx_threshold = 16;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1416 p_txcb->eof = 1;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1417 p_txcb->count = 0;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1418 p_i82559->tx_keys[i] = 0;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1419 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1420
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1421 wait_for_cmd_done(ioaddr + SCBCmd);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1422 OUTL(0, ioaddr + SCBPointer);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1423 OUTW(CU_CMD_BASE, ioaddr + SCBCmd);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1424 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1425
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1426
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1427
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1428 // ------------------------------------------------------------------------
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1429 //
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1430 // Function : i82559_can_send
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1431 //
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1432 // ------------------------------------------------------------------------
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1433
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1434 static int
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1435 i82559_can_send(struct eth_drv_sc *sc)
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1436 {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1437 // return 1;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1438
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1439 struct i82559 *p_i82559;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1440
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1441 p_i82559 = (struct i82559 *)sc->driver_private;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1442
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jlarmour
parents:
diff changeset
1443 IF_BAD_82559( p_i82559 ) {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1444 os_printf( "i82559_send: Bad device pointer %x\n", p_i82559 );
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1445 return 0;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1446 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1447
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jlarmour
parents:
diff changeset
1448 return ! p_i82559->tx_queue_full;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1449 }
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jlarmour
parents:
diff changeset
1450
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jlarmour
parents:
diff changeset
1451 // ------------------------------------------------------------------------
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1452 //
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1453 // Function : i82559_send
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1454 //
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1455 // ------------------------------------------------------------------------
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1456
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1457 static void
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1458 i82559_send(struct eth_drv_sc *sc,
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1459 struct eth_drv_sg *sg_list, int sg_len, int total_len,
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1460 unsigned long key)
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1461 {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1462 struct i82559 *p_i82559;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1463 int tx_descriptor_add;
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jlarmour
parents:
diff changeset
1464 TxCB *p_txcb;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1465 cyg_uint32 ioaddr;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1466
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1467 p_i82559 = (struct i82559 *)sc->driver_private;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1468
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jlarmour
parents:
diff changeset
1469 IF_BAD_82559( p_i82559 ) {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1470 os_printf( "i82559_send: Bad device pointer %x\n", p_i82559 );
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1471 return;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1472 }
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jlarmour
parents:
diff changeset
1473
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1474 #ifdef DEBUG_82559
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1475 os_printf("Tx %d %x: %d sg's, %d bytes, KEY %x\n",
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1476 p_i82559->index, (int)priv, sg_len, total_len, key );
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1477 #endif
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1478
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jlarmour
parents:
diff changeset
1479 if ( ! p_i82559->active )
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1480 return; // device inactive, no return
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1481 #ifdef KEEP_STATISTICS
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1482 statistics[p_i82559->index].tx_count++;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1483 #endif
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1484 ioaddr = p_i82559->io_address; // get device I/O address
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1485
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1486 if ( p_i82559->tx_queue_full ) {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1487 #ifdef KEEP_STATISTICS
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1488 statistics[p_i82559->index].tx_dropped++
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1489 #endif
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1490 os_printf( "i82559_send: Queue full, device %x, key %x\n",
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1491 p_i82559, key );
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1492 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1493 else {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1494 struct eth_drv_sg *last_sg;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1495 volatile cyg_uint8 *to_p;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1496
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1497 tx_descriptor_add = p_i82559->tx_descriptor_add;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1498
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1499 p_i82559->tx_keys[tx_descriptor_add] = key;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1500
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1501 p_txcb = p_i82559->tx_ring[tx_descriptor_add];
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1502
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1503 CYG_ASSERT( (cyg_uint8 *)p_txcb >= i82559_heap_base, "txcb under" );
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1504 CYG_ASSERT( (cyg_uint8 *)p_txcb < i82559_heap_free, "txcb over" );
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1505
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1506 p_txcb->status = 0;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1507 p_txcb->command = TxCB_CMD_TRANSMIT | TxCB_CMD_S
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1508 | TxCB_CMD_I | TxCB_CMD_EL;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1509 p_txcb->link = VIRT_TO_BUS((cyg_uint32)p_txcb);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1510 p_txcb->tbd_address = 0xFFFFFFFF;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1511 p_txcb->tbd_number = 0;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1512 p_txcb->tx_threshold = 16;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1513 p_txcb->eof = 1;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1514 p_txcb->count = total_len;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1515
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1516 // Copy from the sglist into the txcb
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1517 to_p = &p_txcb->buffer[0];
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1518
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1519 CYG_ASSERT( 0 < sg_len, "sg_len underflow" );
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1520 CYG_ASSERT( MAX_ETH_DRV_SG >= sg_len, "sg_len overflow" );
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1521
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1522 for ( last_sg = &sg_list[sg_len]; sg_list < last_sg; sg_list++ ) {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1523 cyg_uint8 *from_p;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1524 int l;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1525
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1526 from_p = (cyg_uint8 *)(sg_list->buf);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1527 l = sg_list->len;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1528
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1529 if ( l > total_len )
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1530 l = total_len;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1531
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1532 memcpy( (unsigned char *)to_p, from_p, l );
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1533 to_p += l;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1534 total_len -= l;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1535
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1536 if ( 0 > total_len )
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1537 break; // Should exit via sg_last normally
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1538 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1539
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1540 CYG_ASSERT( 0 == total_len, "length mismatch in tx" );
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1541 CYG_ASSERT( last_sg == sg_list, "sg count mismatch in tx" );
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1542 CYG_ASSERT( &p_txcb->buffer[0] < to_p, "to_p wild in tx" );
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1543 CYG_ASSERT( &p_txcb->buffer[0] + MAX_TX_PACKET_SIZE >= to_p,
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1544 "to_p overflow in tx" );
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1545
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1546 if ( ++tx_descriptor_add >= MAX_TX_DESCRIPTORS)
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1547 tx_descriptor_add = 0;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1548
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1549 // no more interrupts until started
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1550 Mask82559Interrupt(p_i82559);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1551
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1552 p_i82559->tx_descriptor_add = tx_descriptor_add;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1553
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1554 if ( p_i82559->tx_descriptor_remove == tx_descriptor_add )
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1555 p_i82559->tx_queue_full = 1;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1556
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1557 if ( ! p_i82559->tx_in_progress ) { // if no Tx operation running
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1558 #ifdef DEBUG_82559
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1559 os_printf("Tx %d %x: Starting Engines, KEY %x\n",
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1560 p_i82559->index, (int)priv, key );
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1561 #endif
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1562 // flag start of Tx operation
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1563 p_i82559->tx_in_progress = 1;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1564 // make sure no command operating
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1565 wait_for_cmd_done(ioaddr + SCBCmd);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1566 // start Tx operation
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1567 OUTL(VIRT_TO_BUS(p_txcb), ioaddr + SCBPointer);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1568 OUTW(CU_START, ioaddr + SCBCmd);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1569 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1570 UnMask82559Interrupt(p_i82559); // Allow this device to interrupt
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1571 }
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jlarmour
parents:
diff changeset
1572
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1573 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1574
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1575
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1576
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1577 // ------------------------------------------------------------------------
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1578 //
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1579 // Function : TxComplete
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1580 //
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1581 // ------------------------------------------------------------------------
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1582 static unsigned long TxComplete(struct i82559* p_i82559)
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1583 {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1584 int tx_descriptor_remove;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1585 cyg_uint32 ioaddr;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1586 TxCB *p_txcb;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1587 unsigned long key;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1588
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1589 tx_descriptor_remove = p_i82559->tx_descriptor_remove;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1590
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1591 CYG_ASSERT( p_i82559->tx_in_progress, "Tx not in progress but Tx intr" );
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1592
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jlarmour
parents:
diff changeset
1593 key = p_i82559->tx_keys[tx_descriptor_remove];
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1594 if ( ++tx_descriptor_remove >= MAX_TX_DESCRIPTORS )
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1595 tx_descriptor_remove = 0;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1596 p_i82559->tx_descriptor_remove = tx_descriptor_remove;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1597 p_i82559->tx_queue_full = 0;
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jlarmour
parents:
diff changeset
1598 if ( p_i82559->tx_descriptor_add != tx_descriptor_remove ) {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1599 // get device I/O address
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jlarmour
parents:
diff changeset
1600 ioaddr = p_i82559->io_address;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1601 p_txcb = p_i82559->tx_ring[tx_descriptor_remove];
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1602 CYG_ASSERT( (cyg_uint8 *)p_txcb >= i82559_heap_base, "txcb under" );
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1603 CYG_ASSERT( (cyg_uint8 *)p_txcb < i82559_heap_free, "txcb over" );
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1604 // make sure no command operating
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1605 wait_for_cmd_done(ioaddr + SCBCmd);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1606 // start Tx operation
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1607 OUTL(VIRT_TO_BUS(p_txcb), ioaddr + SCBPointer);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1608 OUTW(CU_START, ioaddr + SCBCmd);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1609 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1610 else
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1611 p_i82559->tx_in_progress = 0;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1612
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1613 return key;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1614 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1615
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1616 // ------------------------------------------------------------------------
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1617
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1618 static void
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1619 PacketTxDone(struct i82559* p_i82559, unsigned long key)
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1620 {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1621 struct cyg_netdevtab_entry *ndp;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1622 struct eth_drv_sc *sc;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1623
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1624 // Just tell the stack that this device has done a Tx.
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1625 ndp = (struct cyg_netdevtab_entry *)(p_i82559->ndp);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1626 sc = (struct eth_drv_sc *)(ndp->device_instance);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1627
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jlarmour
parents:
diff changeset
1628 CHECK_NDP_SC_LINK();
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1629
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1630 #ifdef DEBUG_82559
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1631 os_printf("TxDone %d %x: KEY %x\n",
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1632 p_i82559->index, (int)p_i82559, key );
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1633 #endif
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jlarmour
parents:
diff changeset
1634
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jlarmour
parents:
diff changeset
1635 eth_drv_tx_done( sc, key, 1 /* status */ );
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1636 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1637
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1638
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1639 // ------------------------------------------------------------------------
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1640 //
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1641 // Function : QueueThreadRequest
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1642 //
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1643 // ------------------------------------------------------------------------
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1644 static void QueueThreadRequest(int type,
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1645 struct i82559* p_i82559,
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1646 unsigned long key)
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1647 {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1648 if ( ! i82559_q_full ) {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1649
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1650 i82559_queue[i82559_q_in].request = type;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1651 i82559_queue[i82559_q_in].p = p_i82559;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1652 i82559_queue[i82559_q_in].key = key;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1653
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1654 if ( ++i82559_q_in >= I82559_QUEUE_SIZE )
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1655 i82559_q_in = 0;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1656
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1657 if ( i82559_q_in == i82559_q_out )
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1658 i82559_q_full = 1;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1659 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1660 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1661
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1662
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1663
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1664 // ------------------------------------------------------------------------
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1665 //
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1666 // Function : i82559_isr
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1667 //
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1668 // ------------------------------------------------------------------------
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1669 int last_status[16] = { 0 };
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1670 int last_index = 0;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1671
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1672 static int i82559_isr(struct i82559* p_i82559)
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1673 {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1674 cyg_uint16 status;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1675 cyg_uint32 io_address;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1676 int return_value;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1677
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1678 IF_BAD_82559( p_i82559 ) {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1679 os_printf( "i82559_isr: Bad device pointer %x\n", p_i82559 );
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1680 return 0;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1681 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1682
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1683 io_address = p_i82559->io_address;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1684 status = INW(io_address + SCBStatus);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1685 OUTW(status & 0xFC00, io_address + SCBStatus);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1686
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1687 return_value = 0;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1688
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1689 last_status[last_index++] = status;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1690 last_status[last_index &= 15] = -1;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1691
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1692 // receiver left ready state ?
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1693 if ( status & SCB_STATUS_RNR ) {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1694 #ifdef KEEP_STATISTICS
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jlarmour
parents:
diff changeset
1695 statistics[p_i82559->index].rx_resource++;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1696 #endif
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1697 // flag out of resources
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1698 p_i82559->out_of_resources = 1;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1699 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1700
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1701 // frame receive interrupt ?
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1702 if ( status & SCB_STATUS_FR ) {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1703 #ifdef KEEP_STATISTICS
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1704 statistics[p_i82559->index].rx_count++;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1705 #endif
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1706 QueueThreadRequest(PACKET_RX, p_i82559, 0);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1707 return_value = 1;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1708 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1709
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1710 // transmit interrupt ?
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1711 if ( status & SCB_STATUS_CX ) {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1712 unsigned long key;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1713 #ifdef KEEP_STATISTICS
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jlarmour
parents:
diff changeset
1714 statistics[p_i82559->index].tx_complete++;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1715 #endif
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1716 key = TxComplete(p_i82559);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1717 QueueThreadRequest(PACKET_TX, p_i82559, key);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1718 return_value = 1;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1719 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1720
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1721 return return_value;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1722 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1723
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1724 // ------------------------------------------------------------------------
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1725 //
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1726 // Function : i82559_mux_isr
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1727 //
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1728 // ------------------------------------------------------------------------
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1729 static int i82559_mux_isr(void)
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1730 {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1731 int return_value = 0;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1732
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jlarmour
parents:
diff changeset
1733 static int mux_device_index = 0;
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jlarmour
parents:
diff changeset
1734
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jlarmour
parents:
diff changeset
1735 int device_index = mux_device_index;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1736
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1737 return_value = i82559_isr( &i82559[device_index] );
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1738
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1739 mux_device_index ^= 1; // look at the other one first next time.
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1740
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1741 if ( return_value )
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jlarmour
parents:
diff changeset
1742 return return_value;
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jlarmour
parents:
diff changeset
1743
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jlarmour
parents:
diff changeset
1744 device_index = mux_device_index;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1745
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jlarmour
parents:
diff changeset
1746 return_value = i82559_isr( &i82559[device_index] );
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jlarmour
parents:
diff changeset
1747
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jlarmour
parents:
diff changeset
1748 return return_value;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1749 }
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jlarmour
parents:
diff changeset
1750
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1751 // ------------------------------------------------------------------------
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1752 //
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1753 // Function : i82559_reset
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1754 //
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1755 // ------------------------------------------------------------------------
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1756 static void i82559_reset(struct i82559* p_i82559)
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1757 {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1758 cyg_uint32 ioaddr;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1759 int count;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1760
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jlarmour
parents:
diff changeset
1761 ioaddr = p_i82559->io_address;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1762 // make sure no command operating
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1763 wait_for_cmd_done(ioaddr + SCBCmd);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1764
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1765 OUTL(I82559_SELECTIVE_RESET, ioaddr + SCBPort);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1766
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1767 for (count = 10 ; count-- ; ) {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1768 udelay(1000);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1769 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1770
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1771 OUTL(I82559_RESET, ioaddr + SCBPort);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1772
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jlarmour
parents:
diff changeset
1773 for (count = 10 ; count-- ; ) {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1774 udelay(1000);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1775 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1776 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1777
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1778
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1779 // ------------------------------------------------------------------------
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1780 //
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1781 // Function : eth_set_promiscuous_mode
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1782 //
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1783 // Return : 0 = It worked.
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1784 // non0 = It failed.
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1785 // ------------------------------------------------------------------------
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1786
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jlarmour
parents:
diff changeset
1787 static int eth_set_promiscuous_mode(struct i82559* p_i82559)
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1788 {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1789 cyg_uint32 ioaddr;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1790 volatile CONFIG_CMD_STRUCT *ccs;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1791
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1792 IF_BAD_82559( p_i82559 ) {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1793 os_printf( "eth_set_promiscuos_mode: Bad device pointer %x\n",
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1794 p_i82559 );
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1795 return -1;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1796 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1797
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1798 ioaddr = p_i82559->io_address;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1799 wait_for_cmd_done(ioaddr + SCBCmd);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1800 // load cu base address = 0 */
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1801 OUTL(0, ioaddr + SCBPointer);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1802 // 32 bit linear addressing used
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1803
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1804 OUTW(SCB_M | CUC_ADDR_LOAD, ioaddr + SCBCmd);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1805 // wait for SCB command complete
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1806 wait_for_cmd_done(ioaddr + SCBCmd);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1807
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1808 ccs = (CONFIG_CMD_STRUCT *)mem_reserved_ioctl;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1809
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1810 // Check the malloc we did earlier worked
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1811 if (ccs == (void*)0)
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1812 return 2; // Failed
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1813
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1814 ccs->cb_entry.cb_cmd=0x2;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1815 ccs->cb_entry.cb_cmd_word=0x0;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1816 ccs->cb_entry.cb_status_word=0x0;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1817 ccs->cb_entry.cb_int=0;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1818 ccs->cb_entry.cb_suspend=1;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1819 ccs->cb_entry.cb_el=1;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1820 ccs->cb_entry.cb_complete=0;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1821 ccs->cb_entry.cb_link_offset=VIRT_TO_BUS((cyg_uint32)&ccs);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1822
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1823 // Default values from the Intel Manual
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1824 ccs->config_bytes[0]=0x13;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1825 ccs->config_bytes[1]=0x8;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1826 ccs->config_bytes[2]=0x0;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1827 ccs->config_bytes[3]=0x0;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1828 ccs->config_bytes[4]=0x0;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1829 ccs->config_bytes[5]=0x0;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1830 ccs->config_bytes[6]=0xb2;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1831 ccs->config_bytes[7]=0x0;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1832 ccs->config_bytes[8]=0x0;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1833 ccs->config_bytes[9]=0x0;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1834 ccs->config_bytes[10]=0x28;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1835 ccs->config_bytes[11]=0x0;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1836 ccs->config_bytes[12]=0x60;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1837 ccs->config_bytes[13]=0x0; // arp
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1838 ccs->config_bytes[14]=0x0; // arp
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1839
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1840 ccs->config_bytes[15]=0x81; // promiscuous mode set
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1841
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1842 ccs->config_bytes[16]=0x0;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1843 ccs->config_bytes[17]=0x40;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1844 ccs->config_bytes[18]=0x70;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1845
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1846 // wait for SCB command complete
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1847 wait_for_cmd_done(ioaddr + SCBCmd);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1848
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1849 OUTL(VIRT_TO_BUS(ccs), ioaddr + SCBPointer);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1850 OUTW(SCB_M | CUC_START, ioaddr + SCBCmd);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1851
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1852 // now check for result ...
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1853 wait_for_cmd_done(ioaddr + SCBCmd);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1854
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1855 if ( (!ccs->cb_entry.cb_ok) || (!ccs->cb_entry.cb_complete) )
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1856 return 1; // Failed
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1857 return 0; // OK
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
1858 }
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jlarmour
parents:
diff changeset
1859
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jlarmour
parents:
diff changeset
1860 // ------------------------------------------------------------------------
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jlarmour
parents:
diff changeset
1861 //
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jlarmour
parents:
diff changeset
1862 // Function : eth_set_mac_address
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jlarmour
parents:
diff changeset
1863 //
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jlarmour
parents:
diff changeset
1864 // Return : 0 = It worked.
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jlarmour
parents:
diff changeset
1865 // non0 = It failed.
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jlarmour
parents:
diff changeset
1866 // ------------------------------------------------------------------------
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jlarmour
parents:
diff changeset
1867 static int eth_set_mac_address(struct i82559* p_i82559, char *addr)
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jlarmour
parents:
diff changeset
1868 {
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jlarmour
parents:
diff changeset
1869 int addr_length;
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jlarmour
parents:
diff changeset
1870
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jlarmour
parents:
diff changeset
1871 cyg_uint32 ioaddr;
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jlarmour
parents:
diff changeset
1872 volatile CONFIG_CMD_STRUCT *ccs;
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jlarmour
parents:
diff changeset
1873
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jlarmour
parents:
diff changeset
1874 IF_BAD_82559( p_i82559 ) {
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jlarmour
parents:
diff changeset
1875 os_printf( "eth_set_mac_address : Bad device pointer %x\n",
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jlarmour
parents:
diff changeset
1876 p_i82559 );
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jlarmour
parents:
diff changeset
1877 return -1;
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jlarmour
parents:
diff changeset
1878 }
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jlarmour
parents:
diff changeset
1879
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jlarmour
parents:
diff changeset
1880 ioaddr = p_i82559->io_address;
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jlarmour
parents:
diff changeset
1881
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jlarmour
parents:
diff changeset
1882 wait_for_cmd_done(ioaddr + SCBCmd);
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jlarmour
parents:
diff changeset
1883 // load cu base address = 0 */
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jlarmour
parents:
diff changeset
1884 OUTL(0, ioaddr + SCBPointer);
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jlarmour
parents:
diff changeset
1885 // 32 bit linear addressing used
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jlarmour
parents:
diff changeset
1886
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jlarmour
parents:
diff changeset
1887 OUTW(SCB_M | CUC_ADDR_LOAD, ioaddr + SCBCmd);
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jlarmour
parents:
diff changeset
1888 // wait for SCB command complete
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jlarmour
parents:
diff changeset
1889 wait_for_cmd_done(ioaddr + SCBCmd);
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jlarmour
parents:
diff changeset
1890
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jlarmour
parents:
diff changeset
1891 ccs = (CONFIG_CMD_STRUCT *)mem_reserved_ioctl;
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jlarmour
parents:
diff changeset
1892 if (ccs == (void*)0)
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jlarmour
parents:
diff changeset
1893 return 2;
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jlarmour
parents:
diff changeset
1894
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jlarmour
parents:
diff changeset
1895 ccs->cb_entry.cb_cmd=0x1;
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jlarmour
parents:
diff changeset
1896 ccs->cb_entry.cb_cmd_word=0x0;
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jlarmour
parents:
diff changeset
1897 ccs->cb_entry.cb_status_word=0x0;
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jlarmour
parents:
diff changeset
1898 ccs->cb_entry.cb_int=0;
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jlarmour
parents:
diff changeset
1899 ccs->cb_entry.cb_suspend=1;
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jlarmour
parents:
diff changeset
1900 ccs->cb_entry.cb_el=1;
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jlarmour
parents:
diff changeset
1901
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jlarmour
parents:
diff changeset
1902 memcpy((char *)(ccs->config_bytes),addr,6);
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parents:
diff changeset
1903
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jlarmour
parents:
diff changeset
1904 ccs->config_bytes[6]=0x0;
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jlarmour
parents:
diff changeset
1905 ccs->config_bytes[7]=0x0;
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jlarmour
parents:
diff changeset
1906
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jlarmour
parents:
diff changeset
1907 ioaddr = p_i82559->io_address;
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jlarmour
parents:
diff changeset
1908
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jlarmour
parents:
diff changeset
1909 OUTL(VIRT_TO_BUS(ccs), ioaddr + SCBPointer);
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jlarmour
parents:
diff changeset
1910 OUTW(SCB_M | CUC_START, ioaddr + SCBCmd);
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jlarmour
parents:
diff changeset
1911 // Next delay seems to be required, otherwise,
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jlarmour
parents:
diff changeset
1912 // cb_ok/cb_complete won't be set later.
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jlarmour
parents:
diff changeset
1913
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jlarmour
parents:
diff changeset
1914 udelay(100);
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jlarmour
parents:
diff changeset
1915 wait_for_cmd_done(ioaddr + SCBCmd);
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jlarmour
parents:
diff changeset
1916
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jlarmour
parents:
diff changeset
1917 // now check for result ...
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jlarmour
parents:
diff changeset
1918 if ( (!ccs->cb_entry.cb_ok) || (!ccs->cb_entry.cb_complete) )
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jlarmour
parents:
diff changeset
1919 return 3;
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parents:
diff changeset
1920
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jlarmour
parents:
diff changeset
1921 // now set this address in the device eeprom ....
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jlarmour
parents:
diff changeset
1922 (void)memcpy(eeprom_burn,addr,6);
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jlarmour
parents:
diff changeset
1923 eeprom_burn[20] &= 0xfe;
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jlarmour
parents:
diff changeset
1924 eeprom_burn[20] |= p_i82559->index;
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parents:
diff changeset
1925
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jlarmour
parents:
diff changeset
1926 addr_length=6; // eeprom address word length in bits ...
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jlarmour
parents:
diff changeset
1927 program_eeprom(ioaddr,addr_length,eeprom_burn);
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jlarmour
parents:
diff changeset
1928
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jlarmour
parents:
diff changeset
1929 // now update netword stack ...
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jlarmour
parents:
diff changeset
1930 // FIXME - no feedback to stack when MAC changes
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jlarmour
parents:
diff changeset
1931
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jlarmour
parents:
diff changeset
1932 // update 82559 driver data structure ...
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jlarmour
parents:
diff changeset
1933 (void)memcpy((char *)(p_i82559->mac_address),addr,6);
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jlarmour
parents:
diff changeset
1934 p_i82559->mac_addr_ok = 1;
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jlarmour
parents:
diff changeset
1935 return 0;
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jlarmour
parents:
diff changeset
1936 }
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jlarmour
parents:
diff changeset
1937
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jlarmour
parents:
diff changeset
1938 // ------------------------------------------------------------------------
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jlarmour
parents:
diff changeset
1939 //
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jlarmour
parents:
diff changeset
1940 // Function : write_enable_eeprom
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jlarmour
parents:
diff changeset
1941 //
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jlarmour
parents:
diff changeset
1942 // ------------------------------------------------------------------------
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jlarmour
parents:
diff changeset
1943 static int write_enable_eeprom(long ioaddr, int addr_len)
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jlarmour
parents:
diff changeset
1944 {
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jlarmour
parents:
diff changeset
1945 int ee_addr = ioaddr + SCBeeprom;
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jlarmour
parents:
diff changeset
1946 int write_en_cmd = EE_WRITE_EN_CMD;
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jlarmour
parents:
diff changeset
1947 int i;
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jlarmour
parents:
diff changeset
1948
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jlarmour
parents:
diff changeset
1949 OUTW(EE_ENB & ~EE_CS, ee_addr);
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jlarmour
parents:
diff changeset
1950 eeprom_delay(1);
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jlarmour
parents:
diff changeset
1951 OUTW(EE_ENB, ee_addr);
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jlarmour
parents:
diff changeset
1952 eeprom_delay(1);
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jlarmour
parents:
diff changeset
1953
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jlarmour
parents:
diff changeset
1954
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jlarmour
parents:
diff changeset
1955 // Shift the wr/er enable command bits out.
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jlarmour
parents:
diff changeset
1956 for (i = (addr_len+2); i >= 0; i--) {
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jlarmour
parents:
diff changeset
1957 short dataval = (write_en_cmd & (1 << i)) ? EE_DATA_WRITE : 0;
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jlarmour
parents:
diff changeset
1958 OUTW(EE_ENB | dataval, ee_addr);
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jlarmour
parents:
diff changeset
1959 eeprom_delay(1);
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jlarmour
parents:
diff changeset
1960 OUTW(EE_ENB | dataval | EE_SHIFT_CLK, ee_addr);
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jlarmour
parents:
diff changeset
1961 eeprom_delay(1);
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jlarmour
parents:
diff changeset
1962 }
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jlarmour
parents:
diff changeset
1963
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jlarmour
parents:
diff changeset
1964 // Terminate the EEPROM access.
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jlarmour
parents:
diff changeset
1965 OUTW(EE_ENB & ~EE_CS, ee_addr);
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jlarmour
parents:
diff changeset
1966 eeprom_delay(1);
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jlarmour
parents:
diff changeset
1967 return 0;
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jlarmour
parents:
diff changeset
1968 }
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jlarmour
parents:
diff changeset
1969
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jlarmour
parents:
diff changeset
1970 // ------------------------------------------------------------------------
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jlarmour
parents:
diff changeset
1971 //
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jlarmour
parents:
diff changeset
1972 // Function : write_eeprom
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jlarmour
parents:
diff changeset
1973 //
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jlarmour
parents:
diff changeset
1974 // Return : 0 = It worked.
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jlarmour
parents:
diff changeset
1975 // 1 = It failed.
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jlarmour
parents:
diff changeset
1976 // ------------------------------------------------------------------------
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jlarmour
parents:
diff changeset
1977 static int write_eeprom(long ioaddr, int location,
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jlarmour
parents:
diff changeset
1978 int addr_len, unsigned short value)
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jlarmour
parents:
diff changeset
1979 {
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jlarmour
parents:
diff changeset
1980 unsigned short retval = 0;
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jlarmour
parents:
diff changeset
1981 int ee_addr = ioaddr + SCBeeprom;
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jlarmour
parents:
diff changeset
1982 int write_cmd = location | EE_WRITE_CMD;
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jlarmour
parents:
diff changeset
1983 int i;
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jlarmour
parents:
diff changeset
1984
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jlarmour
parents:
diff changeset
1985 OUTW(EE_ENB & ~EE_CS, ee_addr);
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jlarmour
parents:
diff changeset
1986 eeprom_delay(1);
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jlarmour
parents:
diff changeset
1987 OUTW(EE_ENB, ee_addr);
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jlarmour
parents:
diff changeset
1988 eeprom_delay(1);
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jlarmour
parents:
diff changeset
1989
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jlarmour
parents:
diff changeset
1990 // Shift the write command bits out.
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jlarmour
parents:
diff changeset
1991 for (i = (addr_len+2); i >= 0; i--) {
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jlarmour
parents:
diff changeset
1992 short dataval = (write_cmd & (1 << i)) ? EE_DATA_WRITE : 0;
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jlarmour
parents:
diff changeset
1993 OUTW(EE_ENB | dataval, ee_addr);
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jlarmour
parents:
diff changeset
1994 eeprom_delay(1);
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jlarmour
parents:
diff changeset
1995 OUTW(EE_ENB | dataval | EE_SHIFT_CLK, ee_addr);
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jlarmour
parents:
diff changeset
1996 eeprom_delay(1);
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jlarmour
parents:
diff changeset
1997 }
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jlarmour
parents:
diff changeset
1998 OUTW(EE_ENB, ee_addr);
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jlarmour
parents:
diff changeset
1999 eeprom_delay(1);
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jlarmour
parents:
diff changeset
2000
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jlarmour
parents:
diff changeset
2001 for (i = 15; i >= 0; i--) {
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jlarmour
parents:
diff changeset
2002 short dataval = (value & (1 << i)) ? EE_DATA_WRITE : 0;
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jlarmour
parents:
diff changeset
2003 OUTW(EE_ENB | dataval, ee_addr);
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jlarmour
parents:
diff changeset
2004 eeprom_delay(1);
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jlarmour
parents:
diff changeset
2005 OUTW(EE_ENB | dataval | EE_SHIFT_CLK, ee_addr);
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jlarmour
parents:
diff changeset
2006 eeprom_delay(1);
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jlarmour
parents:
diff changeset
2007 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2008
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jlarmour
parents:
diff changeset
2009 // Terminate the EEPROM access.
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jlarmour
parents:
diff changeset
2010 OUTW(EE_ENB & ~EE_CS, ee_addr);
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jlarmour
parents:
diff changeset
2011 eeprom_delay(10000);
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jlarmour
parents:
diff changeset
2012 return retval;
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jlarmour
parents:
diff changeset
2013 }
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jlarmour
parents:
diff changeset
2014
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jlarmour
parents:
diff changeset
2015 // ------------------------------------------------------------------------
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jlarmour
parents:
diff changeset
2016 //
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jlarmour
parents:
diff changeset
2017 // Function : Program EEPROM
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jlarmour
parents:
diff changeset
2018 // Parameters : ioaddr
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jlarmour
parents:
diff changeset
2019 // addr_length in bits (8 or 6)
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jlarmour
parents:
diff changeset
2020 // char[128] data to program
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jlarmour
parents:
diff changeset
2021 // Return : void
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jlarmour
parents:
diff changeset
2022 // ------------------------------------------------------------------------
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jlarmour
parents:
diff changeset
2023 static void program_eeprom(cyg_uint32 ioaddr,
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jlarmour
parents:
diff changeset
2024 cyg_uint32 eeprom_size,
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jlarmour
parents:
diff changeset
2025 cyg_uint8 * data)
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jlarmour
parents:
diff changeset
2026 {
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jlarmour
parents:
diff changeset
2027 cyg_uint32 i;
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jlarmour
parents:
diff changeset
2028 cyg_uint16 checksum = 0;
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jlarmour
parents:
diff changeset
2029 cyg_uint16 value;
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jlarmour
parents:
diff changeset
2030 cyg_uint16 * cyg_uint16_data = (cyg_uint16 *) data;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2031
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jlarmour
parents:
diff changeset
2032 // first enable erase/write operations on the eeprom ...
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jlarmour
parents:
diff changeset
2033 // this is done through the EWEN instruction ...
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jlarmour
parents:
diff changeset
2034
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jlarmour
parents:
diff changeset
2035 write_enable_eeprom(ioaddr,eeprom_size);
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jlarmour
parents:
diff changeset
2036
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jlarmour
parents:
diff changeset
2037 // Now write the bytes, except the checksum
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jlarmour
parents:
diff changeset
2038 for (i=0 ; i< 63 ; i++) {
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jlarmour
parents:
diff changeset
2039 value = ((unsigned short*)cyg_uint16_data)[i];
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jlarmour
parents:
diff changeset
2040 checksum += value;
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jlarmour
parents:
diff changeset
2041 write_eeprom(ioaddr,i,eeprom_size,value);
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jlarmour
parents:
diff changeset
2042 }
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jlarmour
parents:
diff changeset
2043
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jlarmour
parents:
diff changeset
2044 // Work out the checksum and program it
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jlarmour
parents:
diff changeset
2045 value = 0xBABA - checksum;
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jlarmour
parents:
diff changeset
2046 write_eeprom(ioaddr,i,eeprom_size,value);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2047 }
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jlarmour
parents:
diff changeset
2048
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jlarmour
parents:
diff changeset
2049 // ------------------------------------------------------------------------
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jlarmour
parents:
diff changeset
2050 //
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jlarmour
parents:
diff changeset
2051 // Function : eth_get_mac_address
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jlarmour
parents:
diff changeset
2052 //
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jlarmour
parents:
diff changeset
2053 // ------------------------------------------------------------------------
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jlarmour
parents:
diff changeset
2054 #ifdef ETH_DRV_GET_MAC_ADDRESS
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jlarmour
parents:
diff changeset
2055 static int eth_get_mac_address(struct i82559* p_i82559, char *addr)
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jlarmour
parents:
diff changeset
2056 {
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jlarmour
parents:
diff changeset
2057 IF_BAD_82559( p_i82559 ) {
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jlarmour
parents:
diff changeset
2058 os_printf( "eth_get_mac_address : Bad device pointer %x\n",
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2059 p_i82559 );
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jlarmour
parents:
diff changeset
2060 return -1;
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jlarmour
parents:
diff changeset
2061 }
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jlarmour
parents:
diff changeset
2062
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jlarmour
parents:
diff changeset
2063 memcpy( addr, (char *)(&p_i82559->mac_address[0]), 6 );
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jlarmour
parents:
diff changeset
2064 return (0);
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jlarmour
parents:
diff changeset
2065 }
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jlarmour
parents:
diff changeset
2066 #endif
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jlarmour
parents:
diff changeset
2067 // ------------------------------------------------------------------------
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jlarmour
parents:
diff changeset
2068 //
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jlarmour
parents:
diff changeset
2069 // Function : i82559_ioctl
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jlarmour
parents:
diff changeset
2070 //
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jlarmour
parents:
diff changeset
2071 // ------------------------------------------------------------------------
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jlarmour
parents:
diff changeset
2072 static int i82559_ioctl(struct eth_drv_sc *sc, unsigned long key,
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jlarmour
parents:
diff changeset
2073 void *data, int data_length)
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jlarmour
parents:
diff changeset
2074 {
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jlarmour
parents:
diff changeset
2075 struct i82559 *p_i82559;
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jlarmour
parents:
diff changeset
2076
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jlarmour
parents:
diff changeset
2077 p_i82559 = (struct i82559 *)sc->driver_private;
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jlarmour
parents:
diff changeset
2078
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jlarmour
parents:
diff changeset
2079 IF_BAD_82559( p_i82559 ) {
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jlarmour
parents:
diff changeset
2080 os_printf( "i82559_ioctl/control: Bad device pointer %x\n", p_i82559 );
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jlarmour
parents:
diff changeset
2081 return -1;
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jlarmour
parents:
diff changeset
2082 }
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jlarmour
parents:
diff changeset
2083
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jlarmour
parents:
diff changeset
2084 switch ( key ) {
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jlarmour
parents:
diff changeset
2085
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jlarmour
parents:
diff changeset
2086 #ifdef ETH_DRV_SET_MAC_ADDRESS
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jlarmour
parents:
diff changeset
2087 case ETH_DRV_SET_MAC_ADDRESS:
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2088 if ( 6 != data_length )
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2089 return -2;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2090 eth_set_mac_address( p_i82559, data );
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2091 return 0;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2092 #endif
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2093
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2094 #ifdef ETH_DRV_GET_MAC_ADDRESS
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2095 case ETH_DRV_GET_MAC_ADDRESS:
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2096 eth_get_mac_address( p_i82559, data );
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2097 return 0;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2098 #endif
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2099
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2100 default:
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2101 break;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2102 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2103 return -1;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2104 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2105
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2106 // ------------------------------------------------------------------------
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2107 //
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2108 // INTERRUPT HANDLERS
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jlarmour
parents:
diff changeset
2109 //
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jlarmour
parents:
diff changeset
2110 // ------------------------------------------------------------------------
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2111
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2112 static cyg_uint32 eth_isr(cyg_vector_t vector, cyg_addrword_t data)
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2113 {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2114 int schedule_dsr;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2115
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2116 cyg_drv_interrupt_mask(vector); // mask this interrupt
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2117
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2118 schedule_dsr = i82559_isr( (struct i82559 *)data ); // process interrupt
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jlarmour
parents:
diff changeset
2119
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2120 cyg_drv_interrupt_acknowledge(vector); // acknowledge interrupt
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2121
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2122 // schedule further processing ?
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2123 if ( schedule_dsr )
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2124 return CYG_ISR_CALL_DSR; // yes, schedule DSR
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2125
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2126 // else...
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2127 cyg_drv_interrupt_unmask(vector); // allow more of these interrupts
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2128 return CYG_ISR_HANDLED;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2129 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2130
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2131
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2132
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2133 static cyg_uint32 eth_mux_isr(cyg_vector_t vector, cyg_addrword_t data)
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2134 {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2135 int schedule_dsr;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2136
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2137 cyg_drv_interrupt_mask( vector ); // mask this interrupt
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2138
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2139 schedule_dsr = i82559_mux_isr(); // process interrupt
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2140
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2141 cyg_drv_interrupt_acknowledge( vector ); // ack interrupt
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2142
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2143 // schedule further processing ?
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2144 if ( schedule_dsr )
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2145 return CYG_ISR_CALL_DSR; // yes, schedule DSR
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2146
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2147 // else...
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2148 cyg_drv_interrupt_unmask( vector ); // allow more of these interrupts
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2149 return CYG_ISR_HANDLED;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2150 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2151
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2152 // ------------------------------------------------------------------------
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2153
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2154 void eth_dsr(cyg_vector_t vector, cyg_ucount32 count, cyg_addrword_t data)
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2155 {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2156 while ( (i82559_q_out != i82559_q_in) || (i82559_q_full) ) {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2157 switch ( i82559_queue[i82559_q_out].request ) {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2158 case PACKET_RX:
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2159 PacketRxReady(i82559_queue[i82559_q_out].p);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2160 break;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2161
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2162 case PACKET_TX:
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2163 PacketTxDone(i82559_queue[i82559_q_out].p,
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2164 i82559_queue[i82559_q_out].key);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2165 break;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2166 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2167 i82559_q_full = 0;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2168 if ( ++i82559_q_out == I82559_QUEUE_SIZE )
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2169 i82559_q_out = 0;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2170 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2171 // allow interrupts to continue from whichever source
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2172 // (if multiple device actions were dispatched in this DSR call,
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2173 // another call will occur almost immediately)
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2174 cyg_drv_interrupt_unmask(vector);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2175 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2176
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2177 // ------------------------------------------------------------------------
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2178 //
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2179 // Function : pci_init_find_82559s
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2180 //
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2181 // This is called exactly once at the start of time to:
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2182 // o scan the PCI bus for objects
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2183 // o record them in the device table
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2184 // o acquire all the info needed for the driver to access them
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2185 // o instantiate interrupts for them
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2186 // o attach those interrupts appropriately
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2187 // ------------------------------------------------------------------------
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2188 static int
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jlarmour
parents:
diff changeset
2189 pci_init_find_82559s( void )
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jlarmour
parents:
diff changeset
2190 {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2191 cyg_pci_device_id devid;
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jlarmour
parents:
diff changeset
2192 cyg_pci_device dev_info;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2193 cyg_uint16 cmd;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2194 int device_index;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2195
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2196 // MUX interrupt - special case when 2 cards share one intr.
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2197 static cyg_handle_t mux_interrupt_handle = 0;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2198 static cyg_interrupt mux_interrupt_object;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2199
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jlarmour
parents:
diff changeset
2200 #ifdef DEBUG
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2201 db_printf("pci_init_find_82559s()\n");
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2202 #endif
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2203
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2204 // allocate memory to be used in ioctls later
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2205 if (mem_reserved_ioctl != (void*)0) {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2206 db_printf("pci_init_find_82559s() called > once\n");
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2207 return 0;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2208 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2209
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2210 // First initialize the heap in PCI window'd memory
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2211 i82559_heap_size = CYGHWR_HAL_ARM_EBSA285_PCI_MEM_MAP_SIZE;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2212 i82559_heap_base = (cyg_uint8 *)CYGHWR_HAL_ARM_EBSA285_PCI_MEM_MAP_BASE;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2213 i82559_heap_free = i82559_heap_base;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2214
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2215 mem_reserved_ioctl = pciwindow_mem_alloc(MAX_MEM_RESERVED_IOCTL);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2216
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2217 // initialize the event queue for DSR actions
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2218 i82559_q_out = i82559_q_in = 0;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2219 i82559_q_full = 0;
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jlarmour
parents:
diff changeset
2220
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jlarmour
parents:
diff changeset
2221 cyg_pci_init();
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2222 #ifdef DEBUG
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2223 db_printf("Finished cyg_pci_init();\n");
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2224 #endif
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2225 devid = CYG_PCI_NULL_DEVID;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2226
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jlarmour
parents:
diff changeset
2227 for (device_index = 0; device_index < MAX_82559; device_index++) {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2228 struct i82559 *p_i82559 = &i82559[device_index];
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2229 p_i82559->index = device_index;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2230
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2231 if (cyg_pci_find_device(0x8086, 0x1229, &devid) ) {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2232 #ifdef DEBUG
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2233 db_printf("eth%d = 82559\n", device_index);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2234 #endif
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2235 cyg_pci_get_device_info(devid, &dev_info);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2236
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2237 if (cyg_pci_translate_interrupt(&dev_info, &p_i82559->vector)) {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2238 #ifdef DEBUG
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2239 db_printf(" Wired to HAL vector %d\n", p_i82559->vector);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2240 #endif
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2241 cyg_drv_interrupt_create(
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2242 p_i82559->vector,
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2243 0, // Priority - unused
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2244 (CYG_ADDRWORD)p_i82559, // Data item passed to ISR
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2245 eth_isr, // ISR
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2246 eth_dsr, // DSR
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2247 &p_i82559->interrupt_handle, // handle to intr obj
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2248 &p_i82559->interrupt_object ); // space for int obj
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2249
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2250 cyg_drv_interrupt_attach(p_i82559->interrupt_handle);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2251
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2252 // Don't unmask the interrupt yet, that could get us into a
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2253 // race.
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2254
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2255 // ALSO attach it to interrupt #18 for multiplexed
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2256 // interrupts. This is for certain boards where the
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2257 // PCI backplane is wired "straight through" instead of
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2258 // with a rotation of interrupt lines in the different
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2259 // slots.
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2260 if ( ! mux_interrupt_handle ) {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2261 #ifdef DEBUG
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2262 db_printf(" Also attaching to HAL vector %d\n",
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2263 CYGNUM_HAL_INTERRUPT_PCI_IRQ);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2264 #endif
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2265 cyg_drv_interrupt_create(
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2266 CYGNUM_HAL_INTERRUPT_PCI_IRQ,
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2267 0, // Priority - unused
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2268 0, // Data item passed to ISR (not used)
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2269 eth_mux_isr, // ISR
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2270 eth_dsr, // DSR
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2271 &mux_interrupt_handle,
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2272 &mux_interrupt_object );
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2273
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2274 cyg_drv_interrupt_attach(mux_interrupt_handle);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2275 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2276 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2277 else {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2278 p_i82559->vector=0;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2279 #ifdef DEBUG
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2280 db_printf(" Does not generate interrupts.\n");
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2281 #endif
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2282 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2283
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2284 if (cyg_pci_configure_device(&dev_info)) {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2285 #ifdef DEBUG
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2286 int i;
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2287 db_printf("Found device on bus %d, devfn 0x%02x:\n",
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2288 CYG_PCI_DEV_GET_BUS(devid),
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2289 CYG_PCI_DEV_GET_DEVFN(devid));
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2290
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2291 if (dev_info.command & CYG_PCI_CFG_COMMAND_ACTIVE) {
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2292 db_printf(" Note that board is active. Probed"
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2293 " sizes and CPU addresses invalid!\n");
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2294 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2295 db_printf(" Vendor 0x%04x", dev_info.vendor);
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jlarmour
parents:
diff changeset
2296 db_printf("\n Device 0x%04x", dev_info.device);
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jlarmour
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diff changeset
2297 db_printf("\n Command 0x%04x, Status 0x%04x\n",
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jlarmour
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diff changeset
2298 dev_info.command, dev_info.status);
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jlarmour
parents:
diff changeset
2299
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jlarmour
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diff changeset
2300 db_printf(" Class/Rev 0x%08x", dev_info.class_rev);
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2301 db_printf("\n Header 0x%02x\n", dev_info.header_type);
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jlarmour
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diff changeset
2302
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jlarmour
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diff changeset
2303 db_printf(" SubVendor 0x%04x, Sub ID 0x%04x\n",
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jlarmour
parents:
diff changeset
2304 dev_info.header.normal.sub_vendor,
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jlarmour
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diff changeset
2305 dev_info.header.normal.sub_id);
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diff changeset
2306
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diff changeset
2307 for(i = 0; i < CYG_PCI_MAX_BAR; i++) {
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jlarmour
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diff changeset
2308 db_printf(" BAR[%d] 0x%08x /", i, dev_info.base_address[i]);
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jlarmour
parents:
diff changeset
2309 db_printf(" probed size 0x%08x / CPU addr 0x%08x\n",
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jlarmour
parents:
diff changeset
2310 dev_info.base_size[i], dev_info.base_map[i]);
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jlarmour
parents:
diff changeset
2311 }
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jlarmour
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diff changeset
2312 db_printf(" eth%d configured\n", device_index);
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jlarmour
parents:
diff changeset
2313 #endif
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jlarmour
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diff changeset
2314 p_i82559->found = 1;
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jlarmour
parents:
diff changeset
2315 p_i82559->active = 0;
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jlarmour
parents:
diff changeset
2316 p_i82559->devid = devid;
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jlarmour
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diff changeset
2317 p_i82559->memory_address = dev_info.base_map[0];
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jlarmour
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diff changeset
2318 p_i82559->io_address = dev_info.base_map[1];
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jlarmour
parents:
diff changeset
2319 #ifdef DEBUG
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jlarmour
parents:
diff changeset
2320 db_printf(" memory address = 0x%08x\n", dev_info.base_map[0]);
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jlarmour
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diff changeset
2321 db_printf(" I/O address = 0x%08x\n", dev_info.base_map[1]);
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jlarmour
parents:
diff changeset
2322 #endif
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jlarmour
parents:
diff changeset
2323
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jlarmour
parents:
diff changeset
2324 // Don't use cyg_pci_set_device_info since it clears
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jlarmour
parents:
diff changeset
2325 // some of the fields we want to print out below.
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jlarmour
parents:
diff changeset
2326 cyg_pci_read_config_uint16(dev_info.devid, CYG_PCI_CFG_COMMAND, &cmd);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2327 cmd |= CYG_PCI_CFG_COMMAND_IO // enable I/O space
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jlarmour
parents:
diff changeset
2328 | CYG_PCI_CFG_COMMAND_MEMORY // enable memory space
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jlarmour
parents:
diff changeset
2329 | CYG_PCI_CFG_COMMAND_MASTER; // enable bus master
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jlarmour
parents:
diff changeset
2330 cyg_pci_write_config_uint16(dev_info.devid, CYG_PCI_CFG_COMMAND, cmd);
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jlarmour
parents:
diff changeset
2331
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jlarmour
parents:
diff changeset
2332 // Now the PCI part of the device is configured, reset it. This
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jlarmour
parents:
diff changeset
2333 // should make it safe to enable the interrupt
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jlarmour
parents:
diff changeset
2334 i82559_reset(p_i82559);
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jlarmour
parents:
diff changeset
2335
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jlarmour
parents:
diff changeset
2336 if (p_i82559->vector != 0) {
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jlarmour
parents:
diff changeset
2337 cyg_interrupt_acknowledge(p_i82559->vector);
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jlarmour
parents:
diff changeset
2338 cyg_drv_interrupt_unmask(p_i82559->vector);
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2339 }
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jlarmour
parents:
diff changeset
2340 #ifdef DEBUG
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jlarmour
parents:
diff changeset
2341 db_printf(" **** Device enabled for I/O and Memory and Bus Master\n");
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2342 #endif
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jlarmour
parents:
diff changeset
2343 }
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jlarmour
parents:
diff changeset
2344 else {
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jlarmour
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diff changeset
2345 p_i82559->found = 0;
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jlarmour
parents:
diff changeset
2346 p_i82559->active = 0;
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jlarmour
parents:
diff changeset
2347 db_printf("Failed to configure device %d\n",device_index);
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jlarmour
parents:
diff changeset
2348 }
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jlarmour
parents:
diff changeset
2349 }
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jlarmour
parents:
diff changeset
2350 else {
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jlarmour
parents:
diff changeset
2351 p_i82559->found = 0;
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jlarmour
parents:
diff changeset
2352 p_i82559->active = 0;
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jlarmour
parents:
diff changeset
2353 db_printf("eth%d not found\n", device_index);
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jlarmour
parents:
diff changeset
2354 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2355 }
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2356
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jlarmour
parents:
diff changeset
2357 // Now enable the mux shared interrupt if it is in use
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jlarmour
parents:
diff changeset
2358 if (mux_interrupt_handle) {
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jlarmour
parents:
diff changeset
2359 cyg_interrupt_acknowledge(CYGNUM_HAL_INTERRUPT_PCI_IRQ);
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jlarmour
parents:
diff changeset
2360 cyg_drv_interrupt_unmask(CYGNUM_HAL_INTERRUPT_PCI_IRQ);
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jlarmour
parents:
diff changeset
2361 }
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jlarmour
parents:
diff changeset
2362
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jlarmour
parents:
diff changeset
2363 return 1;
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jlarmour
parents:
diff changeset
2364 }
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jlarmour
parents:
diff changeset
2365
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jlarmour
parents:
diff changeset
2366
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2367
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jlarmour
parents:
diff changeset
2368 // ------------------------------------------------------------------------
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jlarmour
parents:
diff changeset
2369
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
jlarmour
parents:
diff changeset
2370 // EOF if_ebsa285.c