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annotate packages/devs/eth/arm/ks32c5000/current/src/ks5000_ether.c @ 236:e7500517b4b4

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Fix problem with interrupt names (contributed)
author gthomas
date Wed, 10 Jul 2002 15:42:41 +0000
parents ae8511176102
children 0af4c82c4ed8
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 //==========================================================================
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2 //
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3 // ks5000_ether.c
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4 //
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5 //
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6 //
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7 //==========================================================================
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8 //####ECOSGPLCOPYRIGHTBEGIN####
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9 // -------------------------------------------
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10 // This file is part of eCos, the Embedded Configurable Operating System.
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11 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
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12 //
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13 // eCos is free software; you can redistribute it and/or modify it under
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14 // the terms of the GNU General Public License as published by the Free
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15 // Software Foundation; either version 2 or (at your option) any later version.
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16 //
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17 // eCos is distributed in the hope that it will be useful, but WITHOUT ANY
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18 // WARRANTY; without even the implied warranty of MERCHANTABILITY or
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19 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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20 // for more details.
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21 //
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22 // You should have received a copy of the GNU General Public License along
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23 // with eCos; if not, write to the Free Software Foundation, Inc.,
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24 // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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25 //
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26 // As a special exception, if other files instantiate templates or use macros
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27 // or inline functions from this file, or you compile this file and link it
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28 // with other works to produce a work based on this file, this file does not
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29 // by itself cause the resulting work to be covered by the GNU General Public
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30 // License. However the source code for this file must still be made available
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31 // in accordance with section (3) of the GNU General Public License.
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32 //
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33 // This exception does not invalidate any other reasons why a work based on
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34 // this file might be covered by the GNU General Public License.
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35 //
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36 // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
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37 // at http://sources.redhat.com/ecos/ecos-license/
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38 // -------------------------------------------
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39 //####ECOSGPLCOPYRIGHTEND####
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40 //==========================================================================
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41 //#####DESCRIPTIONBEGIN####
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42 //
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43 // Author(s): gthomas
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44 // Contributors: gthomas, jskov
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45 // Grant Edwards <grante@visi.com>
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46 // Date: 2001-07-31
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47 // Purpose:
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48 // Description:
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49 //
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50 //####DESCRIPTIONEND####
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51 //
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52 //========================================================================*/
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53
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54 #include <pkgconf/system.h>
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55 #include <pkgconf/devs_eth_arm_ks32c5000.h>
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56 #include <pkgconf/io_eth_drivers.h>
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57
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58 #if defined(CYGPKG_IO)
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59 #include <pkgconf/io.h>
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60 #include <cyg/io/io.h>
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61 #include <cyg/io/devtab.h>
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62 #else
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63 // need to prvide fake values for errno
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64 #define EIO 1
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65 #define EINVAL 2
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66 #endif
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67
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68 #include <cyg/infra/diag.h>
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69 #include <cyg/io/eth/netdev.h>
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70 #include <cyg/io/eth/eth_drv.h>
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71 #include <cyg/io/eth/eth_drv_stats.h>
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72 #include <cyg/hal/hal_intr.h>
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73
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74 #if defined(CYGPKG_REDBOOT)
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75 #include <pkgconf/redboot.h>
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76 #endif
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77
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78 #if !defined(CYGPKG_NET)
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79 #define cyg_drv_interrupt_unmask(v) /* noop */
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80 #define cyg_drv_interrupt_mask(v) /* noop */
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81 #define cyg_drv_isr_lock() /* noop */
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82 #define cyg_drv_isr_unlock() /* noop */
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83 #define cyg_drv_mutex_init(m) /* noop */
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84 #define cyg_drv_mutex_lock(m) /* noop */
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85 #define cyg_drv_mutex_unlock(m) /* noop */
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86 #define cyg_drv_dsr_lock() /* noop */
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87 #define cyg_drv_dsr_unlock() /* noop */
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88 #endif
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89
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90 #define HavePHY 1
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91 #define HavePHYinterrupt 0
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92
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93 #include "std.h"
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94 #include "ks5000_regs.h"
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95 #include "ks5000_ether.h"
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96
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97 #if HavePHY
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98 #include "phy.h"
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99 #endif
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100
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101 #if 1
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102 #define debug_printf(args...) diag_printf(args)
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103 #else
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104 #define debug_printf(args...) /* noop */
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105 #endif
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106 #define Bit(n) (1<<(n))
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107
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108 // enable/disable software verification of rx CRC
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109 // should be moved to user-controlled valud in CDL file
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110
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111 #if defined(CYG_HAL_CPUTYPE_KS32C5000A)
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112 #define SoftwareCRC 1
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113 #else
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114 #define SoftwareCRC 0
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115 #endif
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116
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117 #if HavePHY
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118 // functions to read/write Phy chip registers via MII interface
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119 // on 32c5000. These need to be non-static since they're used
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120 // by PHY-specific routines in a different file.
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121 #define PHYREGWRITE 0x0400
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122 #define MiiStart 0x0800
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123
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124 void MiiStationWrite(U32 RegAddr, U32 PhyAddr, U32 PhyWrData)
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125 {
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126 STADATA = PhyWrData ;
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127 STACON = RegAddr | PhyAddr | MiiStart | PHYREGWRITE ;
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128 while (STACON & MiiStart)
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129 ;
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130 //debug_printf("PHY Wr %x:%02x := %04x\n",PhyAddr, RegAddr, PhyWrData) ;
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131 }
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132
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133 U32 MiiStationRead(U32 RegAddr, U32 PhyAddr)
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134 {
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135 U32 PhyRdData;
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136 STACON = RegAddr | PhyAddr | MiiStart;
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137 while (STACON & MiiStart)
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138 ;
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139 PhyRdData = STADATA;
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140 //debug_printf("PHY Rd %x:%02x %04x\n",PhyAddr,RegAddr,PhyRdData) ;
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141 return PhyRdData ;
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142 }
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143 #endif
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144
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145 // miscellaneous data structures
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146
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147 typedef BYTE ETH_ADDR[6] __attribute__((packed));
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148
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149 typedef struct tagETH_HEADER
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150 {
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151 ETH_ADDR daddr __attribute__((packed));
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152 ETH_ADDR saddr __attribute__((packed));
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153 WORD type __attribute__((packed));
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154 } ETH_HEADER __attribute__((packed));
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155
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156 #define ETH_HEADER_SIZE 14
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157
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158 // Tx/Rx common descriptor structure
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159 typedef struct tagFRAME_DESCRIPTOR
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160 {
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161 LWORD FrameDataPtr;
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162 LWORD Reserved; /* cf: RX-reserved, TX-Reserved(25bits) + Control bits(7bits) */
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163 LWORD StatusAndFrameLength;
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164 struct tagFRAME_DESCRIPTOR *NextFD;
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165 } FRAME_DESCRIPTOR;
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166
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167 typedef struct
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168 {
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169 U8 DestinationAddr[6];
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170 U8 SourceAddr[6];
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171 U8 LengthOrType[2];
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172 U8 LLCData[1506];
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173 } MAC_FRAME;
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174
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175 #if defined(CYGPKG_NET)
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176 static cyg_drv_mutex_t txMutex;
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177 struct ether_drv_stats ifStats;
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178 #endif
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179
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180 typedef struct
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181 {
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182 LWORD BTxNLErr;
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183 LWORD BTxNOErr;
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184 LWORD BTxEmptyErr;
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185 } BDMA_TX_ERR;
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186
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187 typedef struct
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188 {
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189 LWORD BRxNLErr;
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190 LWORD BRxNOErr;
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191 LWORD BRxMSOErr;
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192 LWORD BRxEmptyErr;
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193 LWORD sBRxSEarly;
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194 LWORD noBufferAvail;
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195 LWORD queueOverflow;
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196 LWORD bad;
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197 } BDMA_RX_ERR;
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198
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199
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200 // interrupt entry counters
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201 U32 ks5000_MAC_Rx_Cnt;
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202 U32 ks5000_MAC_Tx_Cnt;
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203 U32 ks5000_MAC_Phy_Cnt;
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204 U32 ks5000_BDMA_Tx_Isr_Cnt;
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205 U32 ks5000_BDMA_Tx_Dsr_Cnt;
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206 U32 ks5000_BDMA_Rx_Isr_Cnt;
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207 U32 ks5000_BDMA_Rx_Dsr_Cnt;
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208
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209
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210 // packet and byte counters
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211 static U32 MAC_Tx_Pkts;
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212 static U32 MAC_Tx_Octets;
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213 // static U32 BDMA_Rx_Pkts;
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214 // static U32 BDMA_Rx_Octets;
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215
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216 // configuration values
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217 static volatile U32 MACConfigVar;
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218 static volatile U32 CAMConfigVar = CAMCON_COMP_EN | CAMCON_BROAD_ACC;
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219 static volatile U32 MACTxConfigVar =
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220 /* MACTXCON_EN_UNDER | */
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221 MACTXCON_EN_DEFER |
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222 MACTXCON_EN_NCARR |
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223 MACTXCON_EN_EXCOLL |
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224 MACTXCON_EN_LATE_COLL |
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225 MACTXCON_ENTX_PAR |
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226 MACTXCON_EN_COMP;
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227 static volatile U32 MACRxConfigVar =
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228 MACRXCON_RX_EN |
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229 MACRXCON_EN_ALIGN |
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230 MACRXCON_EN_CRC_ERR |
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231 MACRXCON_EN_OVER |
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232 MACRXCON_EN_LONG_ERR |
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233 MACRXCON_EN_RX_PAR;
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234
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235 static volatile U32 BDMATxConfigVar =
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236 BDMATXCON_MSL111 |
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237 BDMATXCON_STP_SKP |
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238 3; /* burst size - 1 */
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239
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240 #define EtherFramePadding 2
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241
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242 #if EtherFramePadding == 0
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243 #define BDMARXCON_ALIGN BDMARXCON_WA00
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244 #elif EtherFramePadding == 1
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245 #define BDMARXCON_ALIGN BDMARXCON_WA01
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246 #elif EtherFramePadding == 2
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247 #define BDMARXCON_ALIGN BDMARXCON_WA10
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248 #elif EtherFramePadding == 3
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249 #define BDMARXCON_ALIGN BDMARXCON_WA11
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250 #else
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251 #error "EtherFramePadding must be 0,1,2 or 3"
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252 #endif
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253
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254 static volatile U32 BDMARxConfigVar =
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255 BDMARXCON_DIE |
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256 BDMARXCON_EN |
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257 BDMARXCON_BIG |
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258 BDMARXCON_MA_INC |
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259 BDMARXCON_NOIE |
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260 BDMARXCON_ALIGN |
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261 BDMARXCON_STP_SKP |
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262 15; /* burst size - 1 */
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263
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264
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265 /* Global variables For BDMA Error Report */
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266
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267 static BDMA_TX_ERR BDMATxErrCnt = {0,0,0};
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268 static BDMA_RX_ERR BDMARxErrCnt = {0,0,0,0,0};
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269
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270
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271 #if SoftwareCRC
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272 static U32 crc32( unsigned char *blk_adr, unsigned blk_len);
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273 #endif
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274 static void Init_TxFrameDescriptorArray(void);
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275 static void Init_RxFrameDescriptorArray(void);
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276
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277 // number of ethernet buffers should be enough to keep both rx
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278 // and tx queues full plus some extras for in-process packets
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279
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280 #if defined(CYGPKG_REDBOOT)
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281 #define NUM_ETH_BUFFERS 10
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282 #define MAX_RX_FRAME_DESCRIPTORS 4 // Max number of Rx Frame Descriptors
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283 #define MAX_TX_FRAME_DESCRIPTORS 4 // Max number of Tx Frame Descriptors
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284 #else
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285 #define NUM_ETH_BUFFERS 80
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286 #define MAX_RX_FRAME_DESCRIPTORS 32 // Max number of Rx Frame Descriptors
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287 #define MAX_TX_FRAME_DESCRIPTORS 32 // Max number of Tx Frame Descriptors
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288 #endif
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289
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290 static FRAME_DESCRIPTOR _rxFrameDescrArray[MAX_RX_FRAME_DESCRIPTORS] __attribute__((aligned(16)));
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291 static FRAME_DESCRIPTOR _txFrameDescrArray[MAX_TX_FRAME_DESCRIPTORS] __attribute__((aligned(16)));
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292
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293 /* define aliases that will set the no-cache bit */
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294 #define rxFrameDescrArray ((FRAME_DESCRIPTOR*)(((unsigned)_rxFrameDescrArray)|0x4000000))
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295 #define txFrameDescrArray ((FRAME_DESCRIPTOR*)(((unsigned)_txFrameDescrArray)|0x4000000))
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296
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297 static FRAME_DESCRIPTOR *rxReadPointer;
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298 static FRAME_DESCRIPTOR *txDonePointer;
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299 static FRAME_DESCRIPTOR *txWritePointer;
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300
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301 static cyg_drv_mutex_t oldRxMutex;
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302 static cyg_drv_cond_t oldRxCond;
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303
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304
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305 static bool configDone;
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306
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307 /*----------------------------------------------------------------------
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308 * Data structures used to manage ethernet buffers
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309 */
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310 #define MAX_ETH_FRAME_SIZE 1520
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311
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312 typedef struct tEthBufferTag
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313 {
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314 unsigned char data[MAX_ETH_FRAME_SIZE+8];
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315 unsigned length;
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316 unsigned userData;
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317 struct tEthBufferTag *next;
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318 struct tEthBufferTag *prev;
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319 }tEthBuffer;
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320
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321
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322 typedef struct
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323 {
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324 tEthBuffer *head;
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325 tEthBuffer *tail;
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326 }tEthBufQueue;
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327
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328 #define EmptyQueue {NULL,NULL}
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329
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330 static void ethBufQueueClear(tEthBufQueue *q)
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331 {
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332 q->head = NULL;
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333 q->tail = NULL;
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334 }
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335
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336 static tEthBuffer *ethBufQueueGet(tEthBufQueue *q)
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337 {
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338 tEthBuffer *r;
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339
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340 r = q->head;
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341
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342 if (r)
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343 q->head = r->next;
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344
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345 return r;
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346 }
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347
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348 static void ethBufQueuePut(tEthBufQueue *q, tEthBuffer *b)
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349 {
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350 b->next = NULL;
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351
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352 if (!q->head)
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353 {
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354 q->head = b;
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355 q->tail = b;
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356 }
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357 else
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358 {
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359 q->tail->next = b;
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360 q->tail = b;
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361 }
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362 }
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363
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364 #if 0
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365 // not used at the moment
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366 static bool ethBufQueueEmpty(tEthBufQueue *q)
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367 {
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368 return q->head != NULL;
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369 }
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370 #endif
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371
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372 /*----------------------------------------------------------------------
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373 * Free pool and routines to manipulate it.
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374 */
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375
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376 static tEthBuffer __bufferPool[NUM_ETH_BUFFERS] __attribute__((aligned(16)));
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377 #define bufferPool ((tEthBuffer*)((unsigned)__bufferPool|0x4000000))
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378
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379 static tEthBufQueue freeList;
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380 static int freeCount;
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381
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382 // do not call from ISR routine
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383 static void freeBuffer(tEthBuffer *b)
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384 {
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385 cyg_drv_isr_lock();
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386 ++freeCount;
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387 ethBufQueuePut(&freeList,b);
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388 cyg_drv_isr_unlock();
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389 }
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390
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391 static int allocFail;
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392
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393 void bufferListError(void)
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394 {
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395 while (1)
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396 ;
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397 }
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398
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399 // do not call from ISR routine
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400 static tEthBuffer *allocBuffer(void)
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401 {
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402 tEthBuffer *r;
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403 cyg_drv_isr_lock();
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404 r = ethBufQueueGet(&freeList);
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405 cyg_drv_isr_unlock();
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406 if (r)
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407 --freeCount;
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408 else
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409 {
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410 ++allocFail;
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411 if (freeCount)
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412 bufferListError();
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413 }
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414 return r;
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415 }
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416
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417 // call only from ISR routine or init
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418 static void isrFreeBuffer(tEthBuffer *b)
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419 {
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420 ++freeCount;
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421 ethBufQueuePut(&freeList,b);
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422 }
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423
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424 #if 0
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425 // not used at the moment
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426
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427 // call only from ISR routine or init
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428 static tEthBuffer *isrAllocBuffer(void)
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429 {
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430 tEthBuffer *r;
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431 r = ethBufQueueGet(&freeList);
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432 if (r)
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433 --freeCount;
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434 else
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435 {
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436 ++allocFail;
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diff changeset
437 if (freeCount)
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438 bufferListError();
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439 }
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440 return r;
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441 }
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442 #endif
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diff changeset
443
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444 static void initFreeList(void)
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445 {
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446 int i;
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447 ethBufQueueClear(&freeList);
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448 freeCount = 0;
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449 for (i=0; i<NUM_ETH_BUFFERS; ++i)
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450 isrFreeBuffer(bufferPool+i);
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451 }
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diff changeset
452
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453
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454 //----------------------------------------------------------------------
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455 // queue a buffer for transmit
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456 //
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457 // returns true if buffer was queued.
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458
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459 static int ks32c5000_eth_buffer_send(tEthBuffer *buf)
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460 {
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461 #if defined(CYGPKG_NET)
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462 while (!configDone)
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463 cyg_thread_delay(10);
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464 #endif
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465
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466 //diag_printf("Phy Status = %x\n",PhyStatus());
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467
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468 if (txWritePointer->FrameDataPtr & FRM_OWNERSHIP_BDMA)
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469 {
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470 // queue is full! make sure transmit is running
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471 BDMATXCON |= BDMATXCON_EN;
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472 MACTXCON |= MACTXCON_TX_EN;
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473 return 0;
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474 }
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475
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476 cyg_drv_mutex_lock(&txMutex);
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477
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478 // free old buffer if we need to
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479
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480 cyg_drv_isr_lock();
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481 if (txWritePointer->FrameDataPtr)
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482 {
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483 freeBuffer((tEthBuffer*)txWritePointer->FrameDataPtr);
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484 txWritePointer->FrameDataPtr = 0;
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485 }
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486 cyg_drv_isr_unlock();
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487
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488 MAC_Tx_Pkts += 1;
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489 MAC_Tx_Octets += buf->length;
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490
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491 // fill in the packet descriptor
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492
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493 txWritePointer->Reserved = (TXFDCON_PADDING_MODE | TXFDCON_CRC_MODE |
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494 TXFDCON_SRC_ADDR_INC | TXFDCON_BIG_ENDIAN |
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495 TXFDCON_WIDGET_ALIGN00 | TXFDCON_MAC_TX_INT_EN);
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496
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497 txWritePointer->StatusAndFrameLength = buf->length;
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498 txWritePointer->FrameDataPtr = ((unsigned)buf | FRM_OWNERSHIP_BDMA);
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499
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500 txWritePointer = txWritePointer->NextFD;
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501
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502 cyg_drv_mutex_unlock(&txMutex);
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503
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504 // start transmit
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505
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506 #if defined(CYGPKG_NET)
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507 ++ifStats.tx_count;
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508 #endif
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509
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510 BDMATXCON |= BDMATXCON_EN;
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511 MACTXCON |= MACTXCON_TX_EN;
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512 return 1;
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513 }
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514
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515
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516 //======================================================================
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517 // check to see if there's a frame waiting
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diff changeset
518
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519 static int rx_frame_avail(void)
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520 {
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521 if (rxReadPointer->FrameDataPtr & FRM_OWNERSHIP_BDMA)
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522 {
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523 // queue is empty -- make sure Rx is running
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524 if (!(BDMARXCON & BDMARXCON_EN))
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525 {
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526 ++BDMARxErrCnt.queueOverflow;
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527 BDMARXCON |= BDMARXCON_EN;
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528 }
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529 return 0;
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530 }
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531 else
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532 return 1;
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533 }
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534
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535
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536 //======================================================================
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537 // de-queue a receive buffer
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diff changeset
538 static tEthBuffer *ks32c5000_eth_get_recv_buffer(void)
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539 {
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diff changeset
540 unsigned RxStatusAndLength;
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diff changeset
541 tEthBuffer *RxBufPtr;
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diff changeset
542 tEthBuffer *emptyBuf;
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diff changeset
543 #if SoftwareCRC
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diff changeset
544 unsigned crc, crclen;
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diff changeset
545 int crcOK;
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diff changeset
546 #else
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547 # define crcOK 1
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548 #endif
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diff changeset
549
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diff changeset
550 while (1)
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diff changeset
551 {
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552 if (rxReadPointer->FrameDataPtr & FRM_OWNERSHIP_BDMA)
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diff changeset
553 {
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diff changeset
554 // queue is empty -- make sure Rx is running
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diff changeset
555 if (!(BDMARXCON & BDMARXCON_EN))
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diff changeset
556 {
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diff changeset
557 ++BDMARxErrCnt.queueOverflow;
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diff changeset
558 BDMARXCON |= BDMARXCON_EN;
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559 }
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560 return NULL;
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561 }
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562
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563 RxBufPtr = (tEthBuffer*)rxReadPointer->FrameDataPtr;
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564 RxStatusAndLength = rxReadPointer->StatusAndFrameLength;
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diff changeset
565
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566 // counting on short-circuit && evaluation below to only
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567 // allocate a fresh buffer if rx packet is good!!
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diff changeset
568
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diff changeset
569 #if defined (CYGPKG_NET)
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570 ++ifStats.rx_count;
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diff changeset
571 #endif
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572
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573 #if SoftwareCRC
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574 crclen = (RxStatusAndLength & 0xffff) - 4;
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575 crc = crc32(RxBufPtr->data+2,crclen);
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576 crcOK = ((U08)(crc>>0) == RxBufPtr->data[2+crclen+0] &&
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diff changeset
577 (U08)(crc>>8) == RxBufPtr->data[2+crclen+1] &&
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diff changeset
578 (U08)(crc>>16) == RxBufPtr->data[2+crclen+2] &&
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parents:
diff changeset
579 (U08)(crc>>24) == RxBufPtr->data[2+crclen+3]);
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580 #endif
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parents:
diff changeset
581 if ((RxStatusAndLength & (RXFDSTAT_GOOD<<16))
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diff changeset
582 && crcOK
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jlarmour
parents:
diff changeset
583 && (emptyBuf = allocBuffer()))
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jlarmour
parents:
diff changeset
584 {
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jlarmour
parents:
diff changeset
585 // good packet and we've got a fresh buffer to take
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jlarmour
parents:
diff changeset
586 // it's place in the receive queue
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diff changeset
587 rxReadPointer->FrameDataPtr = (unsigned)emptyBuf | FRM_OWNERSHIP_BDMA;
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588 rxReadPointer = rxReadPointer->NextFD;
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diff changeset
589 RxBufPtr->length = RxStatusAndLength & 0xffff;
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diff changeset
590 #if defined(CYGPKG_NET)
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diff changeset
591 ++ifStats.rx_deliver;
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592 #endif
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593 return RxBufPtr;
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diff changeset
594 }
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diff changeset
595 else
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diff changeset
596 {
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diff changeset
597 // bad packet or out of buffers. either way we
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diff changeset
598 // ignore this packet, and reuse the buffer
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diff changeset
599 #if defined(CYGPKG_NET)
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600 if (RxStatusAndLength & (RXFDSTAT_GOOD<<16) && crcOK)
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diff changeset
601 ++ifStats.rx_resource;
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diff changeset
602 else
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diff changeset
603 ++ifStats.rx_crc_errors;
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diff changeset
604 #endif
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605 rxReadPointer->FrameDataPtr |= FRM_OWNERSHIP_BDMA;
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606 rxReadPointer = rxReadPointer->NextFD;
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607 }
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diff changeset
608 }
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diff changeset
609 }
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diff changeset
610
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611 //======================================================================
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612 static int EthInit(U08* mac_address)
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613 {
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diff changeset
614 if (mac_address)
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diff changeset
615 debug_printf("EthInit(%02x:%02x:%02x:%02x:%02x:%02x)\n",
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616 mac_address[0],mac_address[1],mac_address[2],
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617 mac_address[3],mac_address[4],mac_address[5]);
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618 else
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diff changeset
619 debug_printf("EthInit(NULL)\n");
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diff changeset
620
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diff changeset
621 #if HavePHY
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622 PhyReset();
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diff changeset
623 #endif
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624
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625 /* Set the initial condition of the BDMA. */
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626 BDMARXCON = BDMARXCON_RESET;
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627 BDMATXCON = BDMATXCON_RESET;
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628 BDMARXLSZ = MAX_ETH_FRAME_SIZE;
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629
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630 BDMARXPTR = (U32)rxReadPointer;
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631 BDMATXPTR = (U32)txWritePointer;
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632
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633 MACCON = MACON_SW_RESET;
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634 MACCON = MACConfigVar;
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635
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636 CAMCON = CAMConfigVar;
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diff changeset
637
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parents:
diff changeset
638 // set up our MAC address
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diff changeset
639
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diff changeset
640 if (mac_address)
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641 {
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642 *((volatile U32*)CAM_BaseAddr) =
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643 (mac_address[0]<<24) |
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644 (mac_address[1]<<16) |
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645 (mac_address[2]<< 8) |
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646 (mac_address[3]<< 0);
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647 *((volatile U16*)(CAM_BaseAddr+4)) =
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648 (mac_address[4]<< 8) |
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diff changeset
649 (mac_address[5]<< 0);
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650 }
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651
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652 // CAM Enable
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653 CAMEN = 0x0001;
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diff changeset
654
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diff changeset
655 // update the Configuration of BDMA and MAC to begin Rx/Tx
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diff changeset
656
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657 BDMARXCON = BDMARxConfigVar;
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658 MACRXCON = MACRxConfigVar;
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diff changeset
659
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660 BDMATXCON = BDMATxConfigVar;
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661 MACTXCON = MACTxConfigVar;
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662
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663 diag_printf("ks32C5000 eth: %02x:%02x:%02x:%02x:%02x:%02x ",
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664 *((volatile unsigned char*)CAM_BaseAddr+0),
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665 *((volatile unsigned char*)CAM_BaseAddr+1),
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diff changeset
666 *((volatile unsigned char*)CAM_BaseAddr+2),
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diff changeset
667 *((volatile unsigned char*)CAM_BaseAddr+3),
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diff changeset
668 *((volatile unsigned char*)CAM_BaseAddr+4),
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diff changeset
669 *((volatile unsigned char*)CAM_BaseAddr+5));
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diff changeset
670
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671 #if SoftwareCRC
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672 diag_printf("Software CRC\n");
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673 #else
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674 diag_printf("Hardware CRC\n");
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diff changeset
675 #endif
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676
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677 return 0;
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678 }
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679
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680 //======================================================================
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681 static void Init_TxFrameDescriptorArray(void)
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682 {
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683 FRAME_DESCRIPTOR *pFrameDescriptor;
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684 int i;
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685
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686 // Each Frame Descriptor's frame data pointer points is NULL
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687 // if not in use, otherwise points to an ethBuffer
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688
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689 pFrameDescriptor = txFrameDescrArray;
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690
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691 for(i=0; i < MAX_TX_FRAME_DESCRIPTORS; i++)
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692 {
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693 pFrameDescriptor->FrameDataPtr = 0;
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diff changeset
694 pFrameDescriptor->Reserved = 0;
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diff changeset
695 pFrameDescriptor->StatusAndFrameLength = 0;
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696 pFrameDescriptor->NextFD = pFrameDescriptor+1;
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diff changeset
697 pFrameDescriptor++;
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diff changeset
698 }
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diff changeset
699
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diff changeset
700 // fix up the last pointer to loop back to the first
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diff changeset
701
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702 txFrameDescrArray[MAX_TX_FRAME_DESCRIPTORS-1].NextFD = txFrameDescrArray;
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diff changeset
703
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704 txDonePointer = txWritePointer = txFrameDescrArray;
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705
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706 return;
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707 }
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diff changeset
708
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diff changeset
709
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710 //======================================================================
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diff changeset
711 static void Init_RxFrameDescriptorArray(void)
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712 {
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713 FRAME_DESCRIPTOR *pFrameDescriptor;
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714 int i;
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715
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716 // Each Frame Descriptor's frame data pointer points to
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717 // an ethBuffer struct
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diff changeset
718
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719 pFrameDescriptor = rxFrameDescrArray;
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720
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721 for(i=0; i < MAX_RX_FRAME_DESCRIPTORS; i++)
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diff changeset
722 {
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jlarmour
parents:
diff changeset
723 pFrameDescriptor->FrameDataPtr = ((unsigned)allocBuffer() | FRM_OWNERSHIP_BDMA);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
724 pFrameDescriptor->Reserved = 0;
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jlarmour
parents:
diff changeset
725 pFrameDescriptor->StatusAndFrameLength = 0;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
726 pFrameDescriptor->NextFD = pFrameDescriptor+1;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
727 pFrameDescriptor++;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
728 }
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jlarmour
parents:
diff changeset
729
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
730 // fix up the last pointer to loop back to the first
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
731
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
732 rxFrameDescrArray[MAX_RX_FRAME_DESCRIPTORS-1].NextFD = rxFrameDescrArray;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
733
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
734 rxReadPointer = rxFrameDescrArray;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
735
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
736 return;
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jlarmour
parents:
diff changeset
737 }
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jlarmour
parents:
diff changeset
738
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
739 #if HavePHY
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jlarmour
parents:
diff changeset
740
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
741 #if HavePHYinterrupt
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jlarmour
parents:
diff changeset
742 static unsigned linkStatus;
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jlarmour
parents:
diff changeset
743
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jlarmour
parents:
diff changeset
744 static cyg_uint32 MAC_Phy_isr(cyg_vector_t vector, cyg_addrword_t data)
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jlarmour
parents:
diff changeset
745 {
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jlarmour
parents:
diff changeset
746 cyg_drv_interrupt_acknowledge(vector);
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jlarmour
parents:
diff changeset
747 PhyInterruptAck();
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jlarmour
parents:
diff changeset
748 ++ks5000_MAC_Phy_Cnt;
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jlarmour
parents:
diff changeset
749 linkStatus = PhyStatus();
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jlarmour
parents:
diff changeset
750 if (linkStatus & PhyStatus_FullDuplex)
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jlarmour
parents:
diff changeset
751 MACConfigVar |= (1<<3);
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jlarmour
parents:
diff changeset
752 else
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jlarmour
parents:
diff changeset
753 MACConfigVar &= ~(1<<3);
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jlarmour
parents:
diff changeset
754
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jlarmour
parents:
diff changeset
755 #if defined(CYGPKG_NET)
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jlarmour
parents:
diff changeset
756 if (linkStatus & PhyStatus_FullDuplex)
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jlarmour
parents:
diff changeset
757 ifStats.duplex = 3;
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jlarmour
parents:
diff changeset
758 else
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jlarmour
parents:
diff changeset
759 ifStats.duplex = 2;
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jlarmour
parents:
diff changeset
760
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jlarmour
parents:
diff changeset
761 if (linkStatus & PhyStatus_LinkUp)
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jlarmour
parents:
diff changeset
762 ifStats.operational = 3;
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jlarmour
parents:
diff changeset
763 else
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jlarmour
parents:
diff changeset
764 ifStats.operational = 2;
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jlarmour
parents:
diff changeset
765
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jlarmour
parents:
diff changeset
766 if (linkStatus & PhyStatus_100Mb)
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jlarmour
parents:
diff changeset
767 ifStats.speed = 100000000;
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jlarmour
parents:
diff changeset
768 else
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jlarmour
parents:
diff changeset
769 ifStats.speed = 10000000;
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jlarmour
parents:
diff changeset
770 #endif
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jlarmour
parents:
diff changeset
771
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jlarmour
parents:
diff changeset
772 MACCON = MACConfigVar;
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jlarmour
parents:
diff changeset
773 return CYG_ISR_HANDLED;
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jlarmour
parents:
diff changeset
774 }
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jlarmour
parents:
diff changeset
775 #endif
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jlarmour
parents:
diff changeset
776 #endif
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jlarmour
parents:
diff changeset
777
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jlarmour
parents:
diff changeset
778 static void ks32c5000_handle_tx_complete(void)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
779 {
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jlarmour
parents:
diff changeset
780
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
781 // record status and then free any buffers we're done with
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jlarmour
parents:
diff changeset
782
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jlarmour
parents:
diff changeset
783 while (txDonePointer->FrameDataPtr && !(txDonePointer->FrameDataPtr & FRM_OWNERSHIP_BDMA))
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jlarmour
parents:
diff changeset
784 {
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jlarmour
parents:
diff changeset
785 #if defined(CYGPKG_NET)
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jlarmour
parents:
diff changeset
786 U32 txStatus;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
787
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jlarmour
parents:
diff changeset
788 txStatus = txDonePointer->StatusAndFrameLength>>16;
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jlarmour
parents:
diff changeset
789
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jlarmour
parents:
diff changeset
790 ++ks5000_MAC_Tx_Cnt;
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jlarmour
parents:
diff changeset
791 ++ifStats.interrupts;
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jlarmour
parents:
diff changeset
792
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jlarmour
parents:
diff changeset
793 if (txStatus & MACTXSTAT_COMP)
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jlarmour
parents:
diff changeset
794 ++ifStats.tx_complete;
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jlarmour
parents:
diff changeset
795
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jlarmour
parents:
diff changeset
796 if (txStatus & (MACTXSTAT_EX_COLL | MACTXSTAT_DEFFERED |
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jlarmour
parents:
diff changeset
797 MACTXSTAT_UNDER | MACTXSTAT_DEFER |
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jlarmour
parents:
diff changeset
798 MACTXSTAT_NCARR | MACTXSTAT_SIG_QUAL |
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jlarmour
parents:
diff changeset
799 MACTXSTAT_LATE_COLL | MACTXSTAT_PAR |
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
800 MACTXSTAT_PAUSED | MACTXSTAT_HALTED))
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
801 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
802 // transmit failed, log errors
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
803 if (txStatus & MACTXSTAT_EX_COLL)
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jlarmour
parents:
diff changeset
804 ++ifStats.tx_max_collisions;
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jlarmour
parents:
diff changeset
805 if (txStatus & MACTXSTAT_DEFFERED)
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jlarmour
parents:
diff changeset
806 ++ifStats.tx_deferred;
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jlarmour
parents:
diff changeset
807 if (txStatus & MACTXSTAT_UNDER)
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jlarmour
parents:
diff changeset
808 ++ifStats.tx_underrun;
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jlarmour
parents:
diff changeset
809 if (txStatus & MACTXSTAT_DEFER)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
810 ;
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jlarmour
parents:
diff changeset
811 if (txStatus & MACTXSTAT_NCARR)
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jlarmour
parents:
diff changeset
812 ++ifStats.tx_carrier_loss;
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jlarmour
parents:
diff changeset
813 if (txStatus & MACTXSTAT_SIG_QUAL)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
814 ++ifStats.tx_sqetesterrors;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
815 if (txStatus & MACTXSTAT_LATE_COLL)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
816 ++ifStats.tx_late_collisions;
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jlarmour
parents:
diff changeset
817 if (txStatus & MACTXSTAT_PAR)
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jlarmour
parents:
diff changeset
818 ;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
819 if (txStatus & MACTXSTAT_PAUSED)
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jlarmour
parents:
diff changeset
820 ;
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jlarmour
parents:
diff changeset
821 if (txStatus & MACTXSTAT_HALTED)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
822 ;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
823 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
824 else
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
825 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
826 // transmit OK
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
827 int collisionCnt = txStatus & 0x0f;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
828 ++ifStats.tx_good;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
829 if (collisionCnt)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
830 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
831 if (collisionCnt == 1)
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jlarmour
parents:
diff changeset
832 ++ifStats.tx_single_collisions;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
833 else
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
834 ++ifStats.tx_mult_collisions;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
835 ifStats.tx_total_collisions += collisionCnt;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
836 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
837 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
838 #endif
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
839 isrFreeBuffer((tEthBuffer*)txDonePointer->FrameDataPtr);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
840 txDonePointer->FrameDataPtr = 0;
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jlarmour
parents:
diff changeset
841 txDonePointer = txDonePointer->NextFD;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
842 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
843 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
844
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
845
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
846 //======================================================================
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
847 static cyg_uint32 MAC_Tx_isr(cyg_vector_t vector, cyg_addrword_t data)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
848 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
849 cyg_drv_interrupt_acknowledge(vector);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
850 ks32c5000_handle_tx_complete();
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
851 return CYG_ISR_HANDLED;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
852 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
853
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
854 static unsigned accumulatedMaxRxStatus=0;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
855
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
856 //======================================================================
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
857 static cyg_uint32 MAC_Rx_isr(cyg_vector_t vector, cyg_addrword_t data)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
858 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
859 U32 IntMACRxStatus;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
860
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
861 cyg_drv_interrupt_acknowledge(vector);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
862
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
863 IntMACRxStatus = MACRXSTAT;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
864 MACRXSTAT = IntMACRxStatus;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
865
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
866 accumulatedMaxRxStatus |= IntMACRxStatus;
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jlarmour
parents:
diff changeset
867
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
868 ++ks5000_MAC_Rx_Cnt;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
869
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
870 #if defined(CYGPKG_NET)
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jlarmour
parents:
diff changeset
871
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
872 ++ifStats.interrupts;
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jlarmour
parents:
diff changeset
873
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
874 if (IntMACRxStatus & MACRXSTAT_GOOD)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
875 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
876 ++ifStats.rx_good;
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jlarmour
parents:
diff changeset
877
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jlarmour
parents:
diff changeset
878 if (IntMACRxStatus & MACRXSTAT_CTL_RECD)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
879 ; // we don't do anything with control packets
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
880
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
881 return CYG_ISR_HANDLED;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
882 }
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jlarmour
parents:
diff changeset
883
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
884 if (IntMACRxStatus & (MACRXSTAT_ALLIGN_ERR | MACRXSTAT_CRC_ERR |
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
885 MACRXSTAT_OVERFLOW | MACRXSTAT_LONG_ERR |
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
886 MACRXSTAT_PAR | MACRXSTAT_HALTED) )
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jlarmour
parents:
diff changeset
887 {
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jlarmour
parents:
diff changeset
888 if (IntMACRxStatus & MACRXSTAT_ALLIGN_ERR)
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jlarmour
parents:
diff changeset
889 ++ifStats.rx_align_errors;
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jlarmour
parents:
diff changeset
890 if (IntMACRxStatus & MACRXSTAT_CRC_ERR)
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jlarmour
parents:
diff changeset
891 ++ifStats.rx_crc_errors;
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jlarmour
parents:
diff changeset
892 if (IntMACRxStatus & MACRXSTAT_OVERFLOW)
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jlarmour
parents:
diff changeset
893 ++ifStats.rx_overrun_errors;
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jlarmour
parents:
diff changeset
894 if (IntMACRxStatus & MACRXSTAT_LONG_ERR)
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jlarmour
parents:
diff changeset
895 ++ifStats.rx_too_long_frames;
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jlarmour
parents:
diff changeset
896 if (IntMACRxStatus & MACRXSTAT_PAR)
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jlarmour
parents:
diff changeset
897 ++ifStats.rx_symbol_errors;
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jlarmour
parents:
diff changeset
898 if (IntMACRxStatus & MACRXSTAT_HALTED)
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jlarmour
parents:
diff changeset
899 ;
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jlarmour
parents:
diff changeset
900 }
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jlarmour
parents:
diff changeset
901 #endif
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jlarmour
parents:
diff changeset
902 return CYG_ISR_HANDLED;
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jlarmour
parents:
diff changeset
903 }
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jlarmour
parents:
diff changeset
904
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jlarmour
parents:
diff changeset
905
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jlarmour
parents:
diff changeset
906
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
907 //======================================================================
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
908 // This interrupt only happens when errors occur
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jlarmour
parents:
diff changeset
909 static cyg_uint32 BDMA_Tx_isr(cyg_vector_t vector, cyg_addrword_t data)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
910 {
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jlarmour
parents:
diff changeset
911 U32 IntBDMATxStatus;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
912
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
913 cyg_drv_interrupt_acknowledge(vector);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
914
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
915 IntBDMATxStatus = BDMASTAT;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
916 BDMASTAT = IntBDMATxStatus;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
917
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
918 ++ks5000_BDMA_Tx_Isr_Cnt;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
919 #if defined(CYGPKG_NET)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
920 ++ifStats.interrupts;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
921 #endif
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
922 if (IntBDMATxStatus & BDMASTAT_TX_CCP)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
923 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
924 debug_printf("+-- Control Packet Transfered : %x\r",ERMPZCNT);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
925 debug_printf(" Tx Control Frame Status : %x\r",ETXSTAT);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
926 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
927
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
928 if (IntBDMATxStatus & (BDMASTAT_TX_NL|BDMASTAT_TX_NO|BDMASTAT_TX_EMPTY) )
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
929 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
930 if (IntBDMATxStatus & BDMASTAT_TX_NL)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
931 BDMATxErrCnt.BTxNLErr++;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
932 if (IntBDMATxStatus & BDMASTAT_TX_NO)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
933 BDMATxErrCnt.BTxNOErr++;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
934 if (IntBDMATxStatus & BDMASTAT_TX_EMPTY)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
935 BDMATxErrCnt.BTxEmptyErr++;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
936 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
937
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
938 // free any buffers we're done with
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
939
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
940 while (txDonePointer->FrameDataPtr && !(txDonePointer->FrameDataPtr & FRM_OWNERSHIP_BDMA))
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
941 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
942 freeBuffer((tEthBuffer*)txDonePointer->FrameDataPtr);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
943 txDonePointer->FrameDataPtr = 0;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
944 txDonePointer = txDonePointer->NextFD;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
945 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
946
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
947 // don't call tx dsr for now -- it has nothing to do
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
948
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
949 return CYG_ISR_HANDLED;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
950 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
951
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
952
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
953 static void BDMA_Tx_dsr(cyg_vector_t vector, cyg_ucount32 count, cyg_addrword_t data)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
954 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
955 ++ks5000_BDMA_Tx_Dsr_Cnt;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
956 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
957
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
958
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
959
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
960 //======================================================================
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
961 static cyg_uint32 BDMA_Rx_isr(cyg_vector_t vector, cyg_addrword_t data)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
962 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
963 U32 IntBDMARxStatus;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
964
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
965 cyg_drv_interrupt_acknowledge(vector);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
966
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
967 IntBDMARxStatus = BDMASTAT;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
968 BDMASTAT = IntBDMARxStatus;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
969
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
970 ++ks5000_BDMA_Rx_Isr_Cnt;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
971 #if defined(CYGPKG_NET)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
972 ++ifStats.interrupts;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
973 #endif
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
974 if (IntBDMARxStatus & (BDMASTAT_RX_NL | BDMASTAT_RX_NO |
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
975 BDMASTAT_RX_MSO | BDMASTAT_RX_EMPTY |
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
976 BDMASTAT_RX_SEARLY) )
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
977 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
978 // printf("RxIsr %u\r\n", (unsigned)cyg_current_time());
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
979 if (IntBDMARxStatus & BDMASTAT_RX_NL)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
980 BDMARxErrCnt.BRxNLErr++;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
981 if (IntBDMARxStatus & BDMASTAT_RX_NO)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
982 BDMARxErrCnt.BRxNOErr++;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
983 if (IntBDMARxStatus & BDMASTAT_RX_MSO)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
984 BDMARxErrCnt.BRxMSOErr++;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
985 if (IntBDMARxStatus & BDMASTAT_RX_EMPTY)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
986 BDMARxErrCnt.BRxEmptyErr++;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
987 if (IntBDMARxStatus & BDMASTAT_RX_SEARLY)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
988 BDMARxErrCnt.sBRxSEarly++;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
989 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
990
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
991 return CYG_ISR_HANDLED|CYG_ISR_CALL_DSR;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
992 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
993
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
994 static void eth_handle_recv_buffer(tEthBuffer*);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
995
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
996 static cyg_handle_t bdmaRxIntrHandle;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
997 static cyg_handle_t bdmaTxIntrHandle;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
998 static cyg_handle_t macRxIntrHandle;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
999 static cyg_handle_t macTxIntrHandle;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1000
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1001 static cyg_interrupt bdmaRxIntrObject;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1002 static cyg_interrupt bdmaTxIntrObject;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1003 static cyg_interrupt macRxIntrObject;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1004 static cyg_interrupt macTxIntrObject;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1005
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1006 static int ethernetRunning;
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diff changeset
1007
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diff changeset
1008 #if HavePHYinterrupt
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parents:
diff changeset
1009 static cyg_handle_t macPhyIntrHandle;
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diff changeset
1010 static cyg_interrupt macPhyIntrObject;
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diff changeset
1011 #endif
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diff changeset
1012
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diff changeset
1013 static void ks32c5000_eth_deliver(struct eth_drv_sc *sc)
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diff changeset
1014 {
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parents:
diff changeset
1015 unsigned short p;
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diff changeset
1016 tEthBuffer *rxBuffer;
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diff changeset
1017 extern void cyg_interrupt_post_dsr(CYG_ADDRWORD intr_obj);
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diff changeset
1018
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diff changeset
1019 ++ks5000_BDMA_Rx_Dsr_Cnt;
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diff changeset
1020
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diff changeset
1021 while (1)
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parents:
diff changeset
1022 {
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diff changeset
1023 if (!rx_frame_avail())
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diff changeset
1024 {
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diff changeset
1025 // no more frames
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diff changeset
1026 return;
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diff changeset
1027 }
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diff changeset
1028
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diff changeset
1029 if (!(rxBuffer=ks32c5000_eth_get_recv_buffer()))
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1030 {
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diff changeset
1031 // no buffers available
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diff changeset
1032 return;
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diff changeset
1033 }
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1034
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1035 p = *((unsigned short*)(rxBuffer->data+EtherFramePadding+ETH_HEADER_SIZE-2));
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1036
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diff changeset
1037 if (ethernetRunning)
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diff changeset
1038 eth_handle_recv_buffer(rxBuffer);
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diff changeset
1039 else
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diff changeset
1040 freeBuffer(rxBuffer);
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diff changeset
1041 }
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diff changeset
1042 }
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diff changeset
1043
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1044
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1045 static void installInterrupts(void)
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1046 {
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1047 extern struct eth_drv_sc ks32c5000_sc;
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1048 bool firstTime=true;
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1049
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1050 debug_printf("ks5000_ether: installInterrupts()\n");
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1051
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diff changeset
1052 if (!firstTime)
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diff changeset
1053 return;
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1054 firstTime = false;
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diff changeset
1055
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diff changeset
1056 initFreeList();
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diff changeset
1057 Init_RxFrameDescriptorArray();
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diff changeset
1058 Init_TxFrameDescriptorArray();
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diff changeset
1059
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diff changeset
1060 BDMARXPTR = (U32)rxReadPointer;
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diff changeset
1061 BDMATXPTR = (U32)txWritePointer;
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diff changeset
1062
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diff changeset
1063 cyg_drv_mutex_init(&txMutex);
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diff changeset
1064 cyg_drv_mutex_init(&oldRxMutex);
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diff changeset
1065 cyg_drv_cond_init(&oldRxCond,&oldRxMutex);
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1066
236
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diff changeset
1067 cyg_drv_interrupt_create(CYGNUM_HAL_INTERRUPT_ETH_BDMA_RX,0,(unsigned)&ks32c5000_sc,BDMA_Rx_isr,eth_drv_dsr,&bdmaRxIntrHandle,&bdmaRxIntrObject);
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diff changeset
1068 cyg_drv_interrupt_create(CYGNUM_HAL_INTERRUPT_ETH_BDMA_TX,0,0,BDMA_Tx_isr,BDMA_Tx_dsr,&bdmaTxIntrHandle,&bdmaTxIntrObject);
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diff changeset
1069 cyg_drv_interrupt_create(CYGNUM_HAL_INTERRUPT_ETH_MAC_RX,0,0,MAC_Rx_isr,NULL,&macRxIntrHandle,&macRxIntrObject);
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diff changeset
1070 cyg_drv_interrupt_create(CYGNUM_HAL_INTERRUPT_ETH_MAC_TX,0,0,MAC_Tx_isr,NULL,&macTxIntrHandle,&macTxIntrObject);
208
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diff changeset
1071 #if HavePHYinterrupt
236
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diff changeset
1072 cyg_drv_interrupt_create(CYGNUM_HAL_INTERRUPT_EXT0,0,0,MAC_Phy_isr,NULL,&macPhyIntrHandle,&macPhyIntrObject);
208
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1073 cyg_drv_interrupt_attach(macPhyIntrHandle);
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diff changeset
1074 #endif
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diff changeset
1075
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diff changeset
1076 cyg_drv_interrupt_attach(bdmaRxIntrHandle);
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diff changeset
1077 cyg_drv_interrupt_attach(bdmaTxIntrHandle);
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diff changeset
1078 cyg_drv_interrupt_attach(macRxIntrHandle);
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diff changeset
1079 cyg_drv_interrupt_attach(macTxIntrHandle);
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diff changeset
1080
236
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diff changeset
1081 cyg_drv_interrupt_acknowledge(CYGNUM_HAL_INTERRUPT_EXT0);
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diff changeset
1082 cyg_drv_interrupt_unmask(CYGNUM_HAL_INTERRUPT_EXT0);
208
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diff changeset
1083 }
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diff changeset
1084
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diff changeset
1085 //======================================================================
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diff changeset
1086 // Driver code that interfaces to the TCP/IP stack via the common
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diff changeset
1087 // Ethernet interface.
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diff changeset
1088
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diff changeset
1089
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diff changeset
1090 // don't have any private data, but if we did, this is where it would go
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diff changeset
1091 typedef struct
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diff changeset
1092 {
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diff changeset
1093 int j;
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diff changeset
1094 }ks32c5000_priv_data_t;
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diff changeset
1095
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diff changeset
1096 ks32c5000_priv_data_t ks32c5000_priv_data;
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diff changeset
1097
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diff changeset
1098 #define eth_drv_tx_done(sc,key,retval) (sc)->funs->eth_drv->tx_done(sc,key,retval)
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diff changeset
1099 #define eth_drv_init(sc,enaddr) ((sc)->funs->eth_drv->init)(sc, myMacAddr)
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diff changeset
1100 #define eth_drv_recv(sc,len) ((sc)->funs->eth_drv->recv)(sc, len)
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diff changeset
1101
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diff changeset
1102 static unsigned char myMacAddr[6] = { CYGPKG_DEVS_ETH_ARM_KS32C5000_MACADDR };
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diff changeset
1103
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diff changeset
1104 static bool ks32c5000_eth_init(struct cyg_netdevtab_entry *tab)
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diff changeset
1105 {
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diff changeset
1106 struct eth_drv_sc *sc = (struct eth_drv_sc *)tab->device_instance;
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diff changeset
1107 *(unsigned*)0x7ff5000 |= Bit(1)+Bit(3)+Bit(5); // enable debug output bits
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diff changeset
1108 // memcpy(myMacAddr,(unsigned char*)CAM_BaseAddr,6);
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diff changeset
1109 debug_printf("ks32c5000_eth_init()\n");
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diff changeset
1110 debug_printf(" MAC address %02x:%02x:%02x:%02x:%02x:%02x\n",myMacAddr[0],myMacAddr[1],myMacAddr[2],myMacAddr[3],myMacAddr[4],myMacAddr[5]);
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diff changeset
1111 #if defined(CYGPKG_NET)
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diff changeset
1112 ifStats.duplex = 1; //unknown
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diff changeset
1113 ifStats.operational = 1; //unknown
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diff changeset
1114 ifStats.tx_queue_len = MAX_TX_FRAME_DESCRIPTORS;
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diff changeset
1115 #endif
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diff changeset
1116 installInterrupts();
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diff changeset
1117 EthInit(myMacAddr);
236
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diff changeset
1118 cyg_drv_interrupt_unmask(CYGNUM_HAL_INTERRUPT_ETH_BDMA_RX);
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diff changeset
1119 cyg_drv_interrupt_unmask(CYGNUM_HAL_INTERRUPT_ETH_BDMA_TX);
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diff changeset
1120 cyg_drv_interrupt_unmask(CYGNUM_HAL_INTERRUPT_ETH_MAC_RX);
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diff changeset
1121 cyg_drv_interrupt_unmask(CYGNUM_HAL_INTERRUPT_ETH_MAC_TX);
208
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diff changeset
1122 configDone = 1;
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diff changeset
1123 ethernetRunning = 1;
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diff changeset
1124 eth_drv_init(sc, myMacAddr);
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diff changeset
1125 return true;
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diff changeset
1126 }
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diff changeset
1127
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diff changeset
1128 static void ks32c5000_eth_start(struct eth_drv_sc *sc, unsigned char *enaddr, int flags)
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diff changeset
1129 {
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diff changeset
1130 debug_printf("ks32c5000_eth_start()\n");
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diff changeset
1131 if (!ethernetRunning)
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diff changeset
1132 {
236
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diff changeset
1133 cyg_drv_interrupt_mask(CYGNUM_HAL_INTERRUPT_ETH_BDMA_RX);
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diff changeset
1134 cyg_drv_interrupt_mask(CYGNUM_HAL_INTERRUPT_ETH_BDMA_TX);
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diff changeset
1135 cyg_drv_interrupt_mask(CYGNUM_HAL_INTERRUPT_ETH_MAC_RX);
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diff changeset
1136 cyg_drv_interrupt_mask(CYGNUM_HAL_INTERRUPT_ETH_MAC_TX);
208
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diff changeset
1137 EthInit(enaddr);
236
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diff changeset
1138 cyg_drv_interrupt_unmask(CYGNUM_HAL_INTERRUPT_ETH_BDMA_RX);
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diff changeset
1139 cyg_drv_interrupt_unmask(CYGNUM_HAL_INTERRUPT_ETH_BDMA_TX);
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diff changeset
1140 cyg_drv_interrupt_unmask(CYGNUM_HAL_INTERRUPT_ETH_MAC_RX);
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diff changeset
1141 cyg_drv_interrupt_unmask(CYGNUM_HAL_INTERRUPT_ETH_MAC_TX);
208
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diff changeset
1142 ethernetRunning = 1;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1143 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1144 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1145
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1146 static void ks32c5000_eth_stop(struct eth_drv_sc *sc)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1147 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1148 debug_printf("ks32c5000_eth_stop()\n");
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1149 ethernetRunning = 0;
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jlarmour
parents:
diff changeset
1150 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1151
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1152 static int ks32c5000_eth_control(struct eth_drv_sc *sc,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1153 unsigned long cmd,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1154 void *data,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1155 int len)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1156 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1157 switch (cmd)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1158 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1159 #if defined(CYGPKG_NET)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1160 case ETH_DRV_GET_IF_STATS_UD:
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1161 case ETH_DRV_GET_IF_STATS:
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1162 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1163 struct ether_drv_stats *p = (struct ether_drv_stats*)data;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1164 *p = ifStats;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1165 strncpy(p->description,"description goes here",sizeof p->description);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1166 strncpy(p->snmp_chipset,"chipset name",sizeof p->snmp_chipset);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1167 return 0;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1168 }
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jlarmour
parents:
diff changeset
1169 #endif
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jlarmour
parents:
diff changeset
1170 default:
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1171 return -1;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1172 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1173 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1174
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1175 static int ks32c5000_eth_can_send_count=0;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1176 static int ks32c5000_eth_can_send_count_OK=0;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1177
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1178 // In case there are multiple Tx frames waiting, we should
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1179 // return how many empty Tx spots we have. For now we just
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1180 // return 0 or 1.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1181 static int ks32c5000_eth_can_send(struct eth_drv_sc *sc)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1182 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1183 FRAME_DESCRIPTOR *TxFp, *StartFp;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1184
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1185 // find the next unused spot in the queue
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1186
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1187 ++ks32c5000_eth_can_send_count;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1188
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1189 StartFp = TxFp = (FRAME_DESCRIPTOR*)BDMATXPTR;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1190
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1191 while (TxFp->FrameDataPtr & FRM_OWNERSHIP_BDMA)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1192 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1193 TxFp = TxFp->NextFD;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1194 if (TxFp == StartFp)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1195 return 0;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1196 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1197 ++ks32c5000_eth_can_send_count_OK;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1198 return 1;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1199 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1200
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1201 static int ks5000_eth_send_count=0;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1202
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1203 static void ks32c5000_eth_send(struct eth_drv_sc *sc,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1204 struct eth_drv_sg *sg_list,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1205 int sg_len,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1206 int total_len,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1207 unsigned long key)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1208 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1209 unsigned char *dest;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1210 unsigned len;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1211 tEthBuffer *buf;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1212
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1213 if (total_len >= MAX_ETH_FRAME_SIZE)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1214 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1215 eth_drv_tx_done(sc,key,-EINVAL);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1216 return;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1217 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1218
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1219 ++ks5000_eth_send_count;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1220
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1221 // allocate buffer
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1222
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1223 buf = allocBuffer();
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1224 if (!buf)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1225 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1226 // out of buffers
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1227 eth_drv_tx_done(sc,key,-EIO);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1228 return;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1229 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1230
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1231 // copy data from scatter/gather list into BDMA data buffer
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1232
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1233 len = 0;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1234 dest = buf->data;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1235
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1236 while (sg_len)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1237 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1238 memcpy(dest,(unsigned char*)sg_list->buf,sg_list->len);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1239 len += sg_list->len;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1240 dest += sg_list->len;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1241 ++sg_list;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1242 --sg_len;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1243 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1244
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1245 buf->length = len;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1246
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1247 // tell upper layer that we're done with this sglist
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1248
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1249 eth_drv_tx_done(sc,key,0);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1250
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1251 // queue packet for transmit
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1252
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1253 while(!ks32c5000_eth_buffer_send(buf))
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1254 {
212
94b558c9fb67 Merge from eCos master repository on 2002-05-31-00:05:29-BST
jlarmour
parents: 210
diff changeset
1255 #if defined(CYGPKG_KERNEL)
208
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1256 // wait a tick and try again.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1257 cyg_thread_delay(1);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1258 #else
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1259 // toss it.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1260 freeBuffer(buf);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1261 break;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1262 #endif
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1263 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1264
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1265 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1266
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1267
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1268 static int ks5000_eth_rcv_count=0;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1269 static tEthBuffer *tcpIpRxBuffer;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1270
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1271 // called from DSR
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1272 static void eth_handle_recv_buffer(tEthBuffer* rxBuffer)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1273 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1274 extern struct eth_drv_sc ks32c5000_sc;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1275 tcpIpRxBuffer = rxBuffer;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1276 eth_drv_recv(&ks32c5000_sc,tcpIpRxBuffer->length-4); // discard 32-bit CRC
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1277 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1278
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1279 static void ks32c5000_eth_recv(struct eth_drv_sc *sc,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1280 struct eth_drv_sg *sg_list,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1281 int sg_len)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1282 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1283 unsigned char *source;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1284
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1285 ++ks5000_eth_rcv_count;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1286
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1287 if (!tcpIpRxBuffer)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1288 return; // no packet waiting, shouldn't be here!
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1289
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1290 // copy data from eth buffer into scatter/gather list
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1291
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1292 source = tcpIpRxBuffer->data + EtherFramePadding;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1293
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1294 while (sg_len)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1295 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1296 if (sg_list->buf)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1297 memcpy((unsigned char*)sg_list->buf,source,sg_list->len);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1298 source += sg_list->len;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1299 ++sg_list;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1300 --sg_len;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1301 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1302
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1303 freeBuffer(tcpIpRxBuffer);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1304 tcpIpRxBuffer = NULL;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1305 return;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1306 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1307
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1308 // routine called to handle ethernet controller in polled mode
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1309 static void ks32c5000_eth_poll(struct eth_drv_sc *sc)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1310 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1311 ks32c5000_eth_deliver(sc); // handle rx frames
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1312 ks32c5000_handle_tx_complete();
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1313 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1314
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1315 static int ks32c5000_eth_int_vector(struct eth_drv_sc *sc)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1316 {
236
e7500517b4b4 Fix problem with interrupt names (contributed)
gthomas
parents: 219
diff changeset
1317 return CYGNUM_HAL_INTERRUPT_ETH_BDMA_RX;
208
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1318 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1319
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1320
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1321 ETH_DRV_SC(ks32c5000_sc,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1322 &ks32c5000_priv_data, // Driver specific data
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1323 "eth0", // Name for this interface
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1324 ks32c5000_eth_start,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1325 ks32c5000_eth_stop,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1326 ks32c5000_eth_control,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1327 ks32c5000_eth_can_send,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1328 ks32c5000_eth_send,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1329 ks32c5000_eth_recv,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1330 ks32c5000_eth_deliver,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1331 ks32c5000_eth_poll,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1332 ks32c5000_eth_int_vector
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1333 );
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1334
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1335 NETDEVTAB_ENTRY(ks32c5000_netdev,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1336 "ks32c5000",
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1337 ks32c5000_eth_init,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1338 &ks32c5000_sc);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1339
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1340
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1341 #if SoftwareCRC
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1342
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1343 static U32 crctable[256] =
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1344 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1345 0x00000000L, 0x77073096L, 0xEE0E612CL, 0x990951BAL,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1346 0x076DC419L, 0x706AF48FL, 0xE963A535L, 0x9E6495A3L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1347 0x0EDB8832L, 0x79DCB8A4L, 0xE0D5E91EL, 0x97D2D988L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1348 0x09B64C2BL, 0x7EB17CBDL, 0xE7B82D07L, 0x90BF1D91L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1349 0x1DB71064L, 0x6AB020F2L, 0xF3B97148L, 0x84BE41DEL,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1350 0x1ADAD47DL, 0x6DDDE4EBL, 0xF4D4B551L, 0x83D385C7L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1351 0x136C9856L, 0x646BA8C0L, 0xFD62F97AL, 0x8A65C9ECL,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1352 0x14015C4FL, 0x63066CD9L, 0xFA0F3D63L, 0x8D080DF5L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1353 0x3B6E20C8L, 0x4C69105EL, 0xD56041E4L, 0xA2677172L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1354 0x3C03E4D1L, 0x4B04D447L, 0xD20D85FDL, 0xA50AB56BL,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1355 0x35B5A8FAL, 0x42B2986CL, 0xDBBBC9D6L, 0xACBCF940L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1356 0x32D86CE3L, 0x45DF5C75L, 0xDCD60DCFL, 0xABD13D59L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1357 0x26D930ACL, 0x51DE003AL, 0xC8D75180L, 0xBFD06116L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1358 0x21B4F4B5L, 0x56B3C423L, 0xCFBA9599L, 0xB8BDA50FL,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1359 0x2802B89EL, 0x5F058808L, 0xC60CD9B2L, 0xB10BE924L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1360 0x2F6F7C87L, 0x58684C11L, 0xC1611DABL, 0xB6662D3DL,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1361 0x76DC4190L, 0x01DB7106L, 0x98D220BCL, 0xEFD5102AL,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1362 0x71B18589L, 0x06B6B51FL, 0x9FBFE4A5L, 0xE8B8D433L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1363 0x7807C9A2L, 0x0F00F934L, 0x9609A88EL, 0xE10E9818L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1364 0x7F6A0DBBL, 0x086D3D2DL, 0x91646C97L, 0xE6635C01L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1365 0x6B6B51F4L, 0x1C6C6162L, 0x856530D8L, 0xF262004EL,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1366 0x6C0695EDL, 0x1B01A57BL, 0x8208F4C1L, 0xF50FC457L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1367 0x65B0D9C6L, 0x12B7E950L, 0x8BBEB8EAL, 0xFCB9887CL,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1368 0x62DD1DDFL, 0x15DA2D49L, 0x8CD37CF3L, 0xFBD44C65L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1369 0x4DB26158L, 0x3AB551CEL, 0xA3BC0074L, 0xD4BB30E2L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1370 0x4ADFA541L, 0x3DD895D7L, 0xA4D1C46DL, 0xD3D6F4FBL,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1371 0x4369E96AL, 0x346ED9FCL, 0xAD678846L, 0xDA60B8D0L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1372 0x44042D73L, 0x33031DE5L, 0xAA0A4C5FL, 0xDD0D7CC9L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1373 0x5005713CL, 0x270241AAL, 0xBE0B1010L, 0xC90C2086L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1374 0x5768B525L, 0x206F85B3L, 0xB966D409L, 0xCE61E49FL,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1375 0x5EDEF90EL, 0x29D9C998L, 0xB0D09822L, 0xC7D7A8B4L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1376 0x59B33D17L, 0x2EB40D81L, 0xB7BD5C3BL, 0xC0BA6CADL,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1377 0xEDB88320L, 0x9ABFB3B6L, 0x03B6E20CL, 0x74B1D29AL,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1378 0xEAD54739L, 0x9DD277AFL, 0x04DB2615L, 0x73DC1683L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1379 0xE3630B12L, 0x94643B84L, 0x0D6D6A3EL, 0x7A6A5AA8L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1380 0xE40ECF0BL, 0x9309FF9DL, 0x0A00AE27L, 0x7D079EB1L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1381 0xF00F9344L, 0x8708A3D2L, 0x1E01F268L, 0x6906C2FEL,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1382 0xF762575DL, 0x806567CBL, 0x196C3671L, 0x6E6B06E7L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1383 0xFED41B76L, 0x89D32BE0L, 0x10DA7A5AL, 0x67DD4ACCL,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1384 0xF9B9DF6FL, 0x8EBEEFF9L, 0x17B7BE43L, 0x60B08ED5L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1385 0xD6D6A3E8L, 0xA1D1937EL, 0x38D8C2C4L, 0x4FDFF252L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1386 0xD1BB67F1L, 0xA6BC5767L, 0x3FB506DDL, 0x48B2364BL,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1387 0xD80D2BDAL, 0xAF0A1B4CL, 0x36034AF6L, 0x41047A60L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1388 0xDF60EFC3L, 0xA867DF55L, 0x316E8EEFL, 0x4669BE79L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1389 0xCB61B38CL, 0xBC66831AL, 0x256FD2A0L, 0x5268E236L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1390 0xCC0C7795L, 0xBB0B4703L, 0x220216B9L, 0x5505262FL,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1391 0xC5BA3BBEL, 0xB2BD0B28L, 0x2BB45A92L, 0x5CB36A04L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1392 0xC2D7FFA7L, 0xB5D0CF31L, 0x2CD99E8BL, 0x5BDEAE1DL,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1393 0x9B64C2B0L, 0xEC63F226L, 0x756AA39CL, 0x026D930AL,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1394 0x9C0906A9L, 0xEB0E363FL, 0x72076785L, 0x05005713L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1395 0x95BF4A82L, 0xE2B87A14L, 0x7BB12BAEL, 0x0CB61B38L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1396 0x92D28E9BL, 0xE5D5BE0DL, 0x7CDCEFB7L, 0x0BDBDF21L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1397 0x86D3D2D4L, 0xF1D4E242L, 0x68DDB3F8L, 0x1FDA836EL,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1398 0x81BE16CDL, 0xF6B9265BL, 0x6FB077E1L, 0x18B74777L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1399 0x88085AE6L, 0xFF0F6A70L, 0x66063BCAL, 0x11010B5CL,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1400 0x8F659EFFL, 0xF862AE69L, 0x616BFFD3L, 0x166CCF45L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1401 0xA00AE278L, 0xD70DD2EEL, 0x4E048354L, 0x3903B3C2L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1402 0xA7672661L, 0xD06016F7L, 0x4969474DL, 0x3E6E77DBL,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
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1403 0xAED16A4AL, 0xD9D65ADCL, 0x40DF0B66L, 0x37D83BF0L,
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jlarmour
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1404 0xA9BCAE53L, 0xDEBB9EC5L, 0x47B2CF7FL, 0x30B5FFE9L,
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1405 0xBDBDF21CL, 0xCABAC28AL, 0x53B39330L, 0x24B4A3A6L,
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1406 0xBAD03605L, 0xCDD70693L, 0x54DE5729L, 0x23D967BFL,
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1407 0xB3667A2EL, 0xC4614AB8L, 0x5D681B02L, 0x2A6F2B94L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
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1408 0xB40BBE37L, 0xC30C8EA1L, 0x5A05DF1BL, 0x2D02EF8DL
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1409 };
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1410
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1411
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1412 static U32 crc32( unsigned char *blk_adr, unsigned blk_len)
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1413 {
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1414 U32 crc = 0xffffffff;
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1415
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1416 while (blk_len--)
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1417 crc = crctable[(crc ^ *blk_adr++) & 0xffL] ^ (crc >> 8);
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1418
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1419 return crc ^ 0xffffffff;
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1420 }
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1421
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1422 #endif
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1423
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1424
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1425
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1426
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1427