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Merge from eCos master repository on 2002-05-23-21:39:14-BST
author jlarmour
date Thu, 23 May 2002 22:59:51 +0000
parents e0c0827131d1
children 94b558c9fb67
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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/
208
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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 #if defined(CYGPKG_IO)
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57 #include <pkgconf/io.h>
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58 #include <cyg/io/io.h>
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59 #include <cyg/io/devtab.h>
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60 #else
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61 // need to prvide fake values for errno
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62 #define EIO 1
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63 #define EINVAL 2
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64 #endif
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65
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66 #include <cyg/infra/diag.h>
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67 #include <cyg/io/eth/netdev.h>
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68 #include <cyg/io/eth/eth_drv.h>
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69 #include <cyg/io/eth/eth_drv_stats.h>
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70 #include <cyg/hal/hal_intr.h>
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71
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72 #if defined(CYGPKG_REDBOOT)
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73 #include <pkgconf/redboot.h>
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74 #endif
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75
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76 #if !defined(CYGPKG_NET)
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77 #define cyg_drv_interrupt_unmask(v) /* noop */
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78 #define cyg_drv_interrupt_mask(v) /* noop */
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79 #define cyg_drv_isr_lock() /* noop */
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80 #define cyg_drv_isr_unlock() /* noop */
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81 #define cyg_drv_mutex_init(m) /* noop */
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82 #define cyg_drv_mutex_lock(m) /* noop */
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83 #define cyg_drv_mutex_unlock(m) /* noop */
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84 #define cyg_drv_dsr_lock() /* noop */
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85 #define cyg_drv_dsr_unlock() /* noop */
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86 #endif
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87
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88 #define HavePHY 1
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89 #define HavePHYinterrupt 0
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90
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91 #include "std.h"
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92 #include "ks5000_regs.h"
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93 #include "ks5000_ether.h"
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94
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95 #if HavePHY
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96 #include "phy.h"
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97 #endif
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98
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99 #if 1
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100 #define debug_printf(args...) diag_printf(args)
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101 #else
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102 #define debug_printf(args...) /* noop */
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103 #endif
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104 #define Bit(n) (1<<(n))
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105
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106 // enable/disable software verification of rx CRC
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107 // should be moved to user-controlled valud in CDL file
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108
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109 #if defined(CYG_HAL_CPUTYPE_KS32C5000A)
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110 #define SoftwareCRC 1
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111 #else
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112 #define SoftwareCRC 0
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113 #endif
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114
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115 #if HavePHY
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116 // functions to read/write Phy chip registers via MII interface
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117 // on 32c5000. These need to be non-static since they're used
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118 // by PHY-specific routines in a different file.
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119 #define PHYREGWRITE 0x0400
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120 #define MiiStart 0x0800
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121
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122 void MiiStationWrite(U32 RegAddr, U32 PhyAddr, U32 PhyWrData)
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123 {
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124 STADATA = PhyWrData ;
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125 STACON = RegAddr | PhyAddr | MiiStart | PHYREGWRITE ;
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126 while (STACON & MiiStart)
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127 ;
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128 //debug_printf("PHY Wr %x:%02x := %04x\n",PhyAddr, RegAddr, PhyWrData) ;
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129 }
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130
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131 U32 MiiStationRead(U32 RegAddr, U32 PhyAddr)
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132 {
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133 U32 PhyRdData;
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134 STACON = RegAddr | PhyAddr | MiiStart;
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135 while (STACON & MiiStart)
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136 ;
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137 PhyRdData = STADATA;
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138 //debug_printf("PHY Rd %x:%02x %04x\n",PhyAddr,RegAddr,PhyRdData) ;
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139 return PhyRdData ;
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140 }
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141 #endif
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142
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143 // miscellaneous data structures
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144
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145 typedef BYTE ETH_ADDR[6] __attribute__((packed));
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146
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147 typedef struct tagETH_HEADER
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148 {
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149 ETH_ADDR daddr __attribute__((packed));
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150 ETH_ADDR saddr __attribute__((packed));
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151 WORD type __attribute__((packed));
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152 } ETH_HEADER __attribute__((packed));
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153
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154 #define ETH_HEADER_SIZE 14
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155
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156 // Tx/Rx common descriptor structure
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157 typedef struct tagFRAME_DESCRIPTOR
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158 {
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159 LWORD FrameDataPtr;
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160 LWORD Reserved; /* cf: RX-reserved, TX-Reserved(25bits) + Control bits(7bits) */
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161 LWORD StatusAndFrameLength;
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162 struct tagFRAME_DESCRIPTOR *NextFD;
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163 } FRAME_DESCRIPTOR;
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164
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165 typedef struct
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166 {
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167 U8 DestinationAddr[6];
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168 U8 SourceAddr[6];
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169 U8 LengthOrType[2];
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170 U8 LLCData[1506];
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171 } MAC_FRAME;
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172
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173 #if defined(CYGPKG_NET)
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174 static cyg_drv_mutex_t txMutex;
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175 struct ether_drv_stats ifStats;
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176 #endif
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177
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178 typedef struct
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179 {
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180 LWORD BTxNLErr;
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181 LWORD BTxNOErr;
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182 LWORD BTxEmptyErr;
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183 } BDMA_TX_ERR;
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184
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185 typedef struct
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186 {
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187 LWORD BRxNLErr;
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188 LWORD BRxNOErr;
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189 LWORD BRxMSOErr;
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190 LWORD BRxEmptyErr;
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191 LWORD sBRxSEarly;
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192 LWORD noBufferAvail;
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193 LWORD queueOverflow;
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194 LWORD bad;
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195 } BDMA_RX_ERR;
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196
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197
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198 // interrupt entry counters
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199 U32 ks5000_MAC_Rx_Cnt;
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200 U32 ks5000_MAC_Tx_Cnt;
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201 U32 ks5000_MAC_Phy_Cnt;
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202 U32 ks5000_BDMA_Tx_Isr_Cnt;
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203 U32 ks5000_BDMA_Tx_Dsr_Cnt;
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204 U32 ks5000_BDMA_Rx_Isr_Cnt;
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205 U32 ks5000_BDMA_Rx_Dsr_Cnt;
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206
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207
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208 // packet and byte counters
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209 static U32 MAC_Tx_Pkts;
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210 static U32 MAC_Tx_Octets;
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211 // static U32 BDMA_Rx_Pkts;
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212 // static U32 BDMA_Rx_Octets;
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213
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214 // configuration values
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215 static volatile U32 MACConfigVar;
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216 static volatile U32 CAMConfigVar = CAMCON_COMP_EN | CAMCON_BROAD_ACC;
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217 static volatile U32 MACTxConfigVar =
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218 /* MACTXCON_EN_UNDER | */
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219 MACTXCON_EN_DEFER |
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220 MACTXCON_EN_NCARR |
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221 MACTXCON_EN_EXCOLL |
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222 MACTXCON_EN_LATE_COLL |
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223 MACTXCON_ENTX_PAR |
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224 MACTXCON_EN_COMP;
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225 static volatile U32 MACRxConfigVar =
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226 MACRXCON_RX_EN |
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227 MACRXCON_EN_ALIGN |
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228 MACRXCON_EN_CRC_ERR |
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229 MACRXCON_EN_OVER |
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230 MACRXCON_EN_LONG_ERR |
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231 MACRXCON_EN_RX_PAR;
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232
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233 static volatile U32 BDMATxConfigVar =
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234 BDMATXCON_MSL111 |
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235 BDMATXCON_STP_SKP |
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236 3; /* burst size - 1 */
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237
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238 #define EtherFramePadding 2
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239
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240 #if EtherFramePadding == 0
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241 #define BDMARXCON_ALIGN BDMARXCON_WA00
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242 #elif EtherFramePadding == 1
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243 #define BDMARXCON_ALIGN BDMARXCON_WA01
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244 #elif EtherFramePadding == 2
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245 #define BDMARXCON_ALIGN BDMARXCON_WA10
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246 #elif EtherFramePadding == 3
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247 #define BDMARXCON_ALIGN BDMARXCON_WA11
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248 #else
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249 #error "EtherFramePadding must be 0,1,2 or 3"
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250 #endif
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251
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252 static volatile U32 BDMARxConfigVar =
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253 BDMARXCON_DIE |
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254 BDMARXCON_EN |
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255 BDMARXCON_BIG |
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256 BDMARXCON_MA_INC |
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257 BDMARXCON_NOIE |
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258 BDMARXCON_ALIGN |
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259 BDMARXCON_STP_SKP |
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260 15; /* burst size - 1 */
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261
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262
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263 /* Global variables For BDMA Error Report */
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264
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265 static BDMA_TX_ERR BDMATxErrCnt = {0,0,0};
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266 static BDMA_RX_ERR BDMARxErrCnt = {0,0,0,0,0};
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267
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268
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269 #if SoftwareCRC
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270 static U32 crc32( unsigned char *blk_adr, unsigned blk_len);
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271 #endif
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272 static void Init_TxFrameDescriptorArray(void);
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273 static void Init_RxFrameDescriptorArray(void);
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274
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275 // number of ethernet buffers should be enough to keep both rx
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276 // and tx queues full plus some extras for in-process packets
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277
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278 #if defined(CYGPKG_REDBOOT)
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279 #define NUM_ETH_BUFFERS 10
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280 #define MAX_RX_FRAME_DESCRIPTORS 4 // Max number of Rx Frame Descriptors
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281 #define MAX_TX_FRAME_DESCRIPTORS 4 // Max number of Tx Frame Descriptors
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282 #else
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283 #define NUM_ETH_BUFFERS 80
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284 #define MAX_RX_FRAME_DESCRIPTORS 32 // Max number of Rx Frame Descriptors
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285 #define MAX_TX_FRAME_DESCRIPTORS 32 // Max number of Tx Frame Descriptors
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286 #endif
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287
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288 static FRAME_DESCRIPTOR _rxFrameDescrArray[MAX_RX_FRAME_DESCRIPTORS] __attribute__((aligned(16)));
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289 static FRAME_DESCRIPTOR _txFrameDescrArray[MAX_TX_FRAME_DESCRIPTORS] __attribute__((aligned(16)));
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290
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291 /* define aliases that will set the no-cache bit */
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292 #define rxFrameDescrArray ((FRAME_DESCRIPTOR*)(((unsigned)_rxFrameDescrArray)|0x4000000))
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293 #define txFrameDescrArray ((FRAME_DESCRIPTOR*)(((unsigned)_txFrameDescrArray)|0x4000000))
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294
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295 static FRAME_DESCRIPTOR *rxReadPointer;
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296 static FRAME_DESCRIPTOR *txDonePointer;
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297 static FRAME_DESCRIPTOR *txWritePointer;
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298
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299 static cyg_drv_mutex_t oldRxMutex;
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300 static cyg_drv_cond_t oldRxCond;
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301
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302
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303 static bool configDone;
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304
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305 /*----------------------------------------------------------------------
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306 * Data structures used to manage ethernet buffers
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307 */
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308 #define MAX_ETH_FRAME_SIZE 1520
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309
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310 typedef struct tEthBufferTag
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311 {
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312 unsigned char data[MAX_ETH_FRAME_SIZE+8];
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313 unsigned length;
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314 unsigned userData;
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315 struct tEthBufferTag *next;
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316 struct tEthBufferTag *prev;
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317 }tEthBuffer;
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318
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319
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320 typedef struct
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321 {
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322 tEthBuffer *head;
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323 tEthBuffer *tail;
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324 }tEthBufQueue;
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325
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326 #define EmptyQueue {NULL,NULL}
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327
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328 static void ethBufQueueClear(tEthBufQueue *q)
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329 {
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330 q->head = NULL;
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331 q->tail = NULL;
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332 }
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333
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334 static tEthBuffer *ethBufQueueGet(tEthBufQueue *q)
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335 {
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336 tEthBuffer *r;
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337
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338 r = q->head;
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339
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340 if (r)
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341 q->head = r->next;
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342
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343 return r;
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344 }
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345
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346 static void ethBufQueuePut(tEthBufQueue *q, tEthBuffer *b)
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347 {
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348 b->next = NULL;
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349
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350 if (!q->head)
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351 {
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352 q->head = b;
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353 q->tail = b;
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354 }
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355 else
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356 {
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357 q->tail->next = b;
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358 q->tail = b;
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359 }
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360 }
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361
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362 #if 0
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363 // not used at the moment
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364 static bool ethBufQueueEmpty(tEthBufQueue *q)
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365 {
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366 return q->head != NULL;
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367 }
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368 #endif
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369
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370 /*----------------------------------------------------------------------
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371 * Free pool and routines to manipulate it.
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372 */
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373
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374 static tEthBuffer __bufferPool[NUM_ETH_BUFFERS] __attribute__((aligned(16)));
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375 #define bufferPool ((tEthBuffer*)((unsigned)__bufferPool|0x4000000))
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376
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377 static tEthBufQueue freeList;
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378 static int freeCount;
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379
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380 // do not call from ISR routine
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381 static void freeBuffer(tEthBuffer *b)
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382 {
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383 cyg_drv_isr_lock();
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384 ++freeCount;
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385 ethBufQueuePut(&freeList,b);
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386 cyg_drv_isr_unlock();
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387 }
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388
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389 static int allocFail;
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390
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391 void bufferListError(void)
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392 {
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393 while (1)
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394 ;
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395 }
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396
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397 // do not call from ISR routine
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398 static tEthBuffer *allocBuffer(void)
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399 {
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400 tEthBuffer *r;
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401 cyg_drv_isr_lock();
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402 r = ethBufQueueGet(&freeList);
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403 cyg_drv_isr_unlock();
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404 if (r)
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405 --freeCount;
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406 else
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407 {
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408 ++allocFail;
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409 if (freeCount)
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410 bufferListError();
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411 }
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412 return r;
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413 }
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414
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415 // call only from ISR routine or init
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416 static void isrFreeBuffer(tEthBuffer *b)
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417 {
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418 ++freeCount;
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419 ethBufQueuePut(&freeList,b);
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420 }
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421
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422 #if 0
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423 // not used at the moment
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424
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425 // call only from ISR routine or init
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426 static tEthBuffer *isrAllocBuffer(void)
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427 {
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428 tEthBuffer *r;
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429 r = ethBufQueueGet(&freeList);
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430 if (r)
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431 --freeCount;
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432 else
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433 {
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434 ++allocFail;
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diff changeset
435 if (freeCount)
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436 bufferListError();
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437 }
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438 return r;
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439 }
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440 #endif
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441
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442 static void initFreeList(void)
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443 {
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444 int i;
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445 ethBufQueueClear(&freeList);
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446 freeCount = 0;
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447 for (i=0; i<NUM_ETH_BUFFERS; ++i)
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448 isrFreeBuffer(bufferPool+i);
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449 }
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450
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451
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452 //----------------------------------------------------------------------
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453 // queue a buffer for transmit
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454 //
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455 // returns true if buffer was queued.
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456
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457 static int ks32c5000_eth_buffer_send(tEthBuffer *buf)
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458 {
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459 #if defined(CYGPKG_NET)
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460 while (!configDone)
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461 cyg_thread_delay(10);
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462 #endif
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463
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464 //diag_printf("Phy Status = %x\n",PhyStatus());
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465
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466 if (txWritePointer->FrameDataPtr & FRM_OWNERSHIP_BDMA)
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467 {
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468 // queue is full! make sure transmit is running
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469 BDMATXCON |= BDMATXCON_EN;
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470 MACTXCON |= MACTXCON_TX_EN;
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471 return 0;
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472 }
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473
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474 cyg_drv_mutex_lock(&txMutex);
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475
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476 // free old buffer if we need to
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477
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478 cyg_drv_isr_lock();
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479 if (txWritePointer->FrameDataPtr)
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480 {
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481 freeBuffer((tEthBuffer*)txWritePointer->FrameDataPtr);
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482 txWritePointer->FrameDataPtr = 0;
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483 }
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484 cyg_drv_isr_unlock();
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485
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486 MAC_Tx_Pkts += 1;
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487 MAC_Tx_Octets += buf->length;
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488
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489 // fill in the packet descriptor
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490
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491 txWritePointer->Reserved = (TXFDCON_PADDING_MODE | TXFDCON_CRC_MODE |
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492 TXFDCON_SRC_ADDR_INC | TXFDCON_BIG_ENDIAN |
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493 TXFDCON_WIDGET_ALIGN00 | TXFDCON_MAC_TX_INT_EN);
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494
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495 txWritePointer->StatusAndFrameLength = buf->length;
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496 txWritePointer->FrameDataPtr = ((unsigned)buf | FRM_OWNERSHIP_BDMA);
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497
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498 txWritePointer = txWritePointer->NextFD;
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499
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500 cyg_drv_mutex_unlock(&txMutex);
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501
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502 // start transmit
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503
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504 #if defined(CYGPKG_NET)
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505 ++ifStats.tx_count;
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506 #endif
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507
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508 BDMATXCON |= BDMATXCON_EN;
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509 MACTXCON |= MACTXCON_TX_EN;
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510 return 1;
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511 }
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512
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513
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514 //======================================================================
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515 // check to see if there's a frame waiting
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516
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517 static int rx_frame_avail(void)
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518 {
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519 if (rxReadPointer->FrameDataPtr & FRM_OWNERSHIP_BDMA)
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520 {
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521 // queue is empty -- make sure Rx is running
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522 if (!(BDMARXCON & BDMARXCON_EN))
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523 {
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524 ++BDMARxErrCnt.queueOverflow;
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525 BDMARXCON |= BDMARXCON_EN;
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526 }
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527 return 0;
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528 }
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529 else
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530 return 1;
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531 }
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532
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533
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534 //======================================================================
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535 // de-queue a receive buffer
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536 static tEthBuffer *ks32c5000_eth_get_recv_buffer(void)
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537 {
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538 unsigned RxStatusAndLength;
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539 tEthBuffer *RxBufPtr;
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diff changeset
540 tEthBuffer *emptyBuf;
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541 #if SoftwareCRC
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542 unsigned crc, crclen;
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diff changeset
543 int crcOK;
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544 #else
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545 # define crcOK 1
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546 #endif
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547
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diff changeset
548 while (1)
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549 {
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550 if (rxReadPointer->FrameDataPtr & FRM_OWNERSHIP_BDMA)
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diff changeset
551 {
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552 // queue is empty -- make sure Rx is running
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diff changeset
553 if (!(BDMARXCON & BDMARXCON_EN))
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diff changeset
554 {
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555 ++BDMARxErrCnt.queueOverflow;
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diff changeset
556 BDMARXCON |= BDMARXCON_EN;
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diff changeset
557 }
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558 return NULL;
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diff changeset
559 }
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diff changeset
560
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561 RxBufPtr = (tEthBuffer*)rxReadPointer->FrameDataPtr;
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562 RxStatusAndLength = rxReadPointer->StatusAndFrameLength;
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diff changeset
563
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564 // counting on short-circuit && evaluation below to only
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565 // allocate a fresh buffer if rx packet is good!!
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diff changeset
566
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567 #if defined (CYGPKG_NET)
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568 ++ifStats.rx_count;
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569 #endif
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570
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571 #if SoftwareCRC
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572 crclen = (RxStatusAndLength & 0xffff) - 4;
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diff changeset
573 crc = crc32(RxBufPtr->data+2,crclen);
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diff changeset
574 crcOK = ((U08)(crc>>0) == RxBufPtr->data[2+crclen+0] &&
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575 (U08)(crc>>8) == RxBufPtr->data[2+crclen+1] &&
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576 (U08)(crc>>16) == RxBufPtr->data[2+crclen+2] &&
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diff changeset
577 (U08)(crc>>24) == RxBufPtr->data[2+crclen+3]);
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578 #endif
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579 if ((RxStatusAndLength & (RXFDSTAT_GOOD<<16))
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580 && crcOK
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jlarmour
parents:
diff changeset
581 && (emptyBuf = allocBuffer()))
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diff changeset
582 {
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jlarmour
parents:
diff changeset
583 // good packet and we've got a fresh buffer to take
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jlarmour
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diff changeset
584 // it's place in the receive queue
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diff changeset
585 rxReadPointer->FrameDataPtr = (unsigned)emptyBuf | FRM_OWNERSHIP_BDMA;
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586 rxReadPointer = rxReadPointer->NextFD;
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587 RxBufPtr->length = RxStatusAndLength & 0xffff;
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588 #if defined(CYGPKG_NET)
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589 ++ifStats.rx_deliver;
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590 #endif
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591 return RxBufPtr;
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592 }
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593 else
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diff changeset
594 {
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diff changeset
595 // bad packet or out of buffers. either way we
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diff changeset
596 // ignore this packet, and reuse the buffer
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diff changeset
597 #if defined(CYGPKG_NET)
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598 if (RxStatusAndLength & (RXFDSTAT_GOOD<<16) && crcOK)
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599 ++ifStats.rx_resource;
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600 else
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diff changeset
601 ++ifStats.rx_crc_errors;
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diff changeset
602 #endif
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603 rxReadPointer->FrameDataPtr |= FRM_OWNERSHIP_BDMA;
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604 rxReadPointer = rxReadPointer->NextFD;
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605 }
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606 }
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diff changeset
607 }
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diff changeset
608
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609 //======================================================================
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610 static int EthInit(U08* mac_address)
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611 {
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diff changeset
612 if (mac_address)
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613 debug_printf("EthInit(%02x:%02x:%02x:%02x:%02x:%02x)\n",
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614 mac_address[0],mac_address[1],mac_address[2],
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615 mac_address[3],mac_address[4],mac_address[5]);
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616 else
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617 debug_printf("EthInit(NULL)\n");
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618
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diff changeset
619 #if HavePHY
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620 PhyReset();
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621 #endif
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622
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623 /* Set the initial condition of the BDMA. */
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624 BDMARXCON = BDMARXCON_RESET;
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625 BDMATXCON = BDMATXCON_RESET;
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626 BDMARXLSZ = MAX_ETH_FRAME_SIZE;
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diff changeset
627
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628 BDMARXPTR = (U32)rxReadPointer;
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629 BDMATXPTR = (U32)txWritePointer;
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630
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631 MACCON = MACON_SW_RESET;
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632 MACCON = MACConfigVar;
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633
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634 CAMCON = CAMConfigVar;
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635
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diff changeset
636 // set up our MAC address
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diff changeset
637
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diff changeset
638 if (mac_address)
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639 {
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640 *((volatile U32*)CAM_BaseAddr) =
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641 (mac_address[0]<<24) |
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642 (mac_address[1]<<16) |
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643 (mac_address[2]<< 8) |
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644 (mac_address[3]<< 0);
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645 *((volatile U16*)(CAM_BaseAddr+4)) =
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646 (mac_address[4]<< 8) |
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647 (mac_address[5]<< 0);
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648 }
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649
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650 // CAM Enable
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651 CAMEN = 0x0001;
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652
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653 // update the Configuration of BDMA and MAC to begin Rx/Tx
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diff changeset
654
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655 BDMARXCON = BDMARxConfigVar;
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656 MACRXCON = MACRxConfigVar;
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diff changeset
657
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658 BDMATXCON = BDMATxConfigVar;
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659 MACTXCON = MACTxConfigVar;
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660
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661 diag_printf("ks32C5000 eth: %02x:%02x:%02x:%02x:%02x:%02x ",
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662 *((volatile unsigned char*)CAM_BaseAddr+0),
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663 *((volatile unsigned char*)CAM_BaseAddr+1),
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diff changeset
664 *((volatile unsigned char*)CAM_BaseAddr+2),
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665 *((volatile unsigned char*)CAM_BaseAddr+3),
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666 *((volatile unsigned char*)CAM_BaseAddr+4),
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667 *((volatile unsigned char*)CAM_BaseAddr+5));
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668
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669 #if SoftwareCRC
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670 diag_printf("Software CRC\n");
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671 #else
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672 diag_printf("Hardware CRC\n");
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673 #endif
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674
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675 return 0;
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676 }
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677
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678 //======================================================================
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679 static void Init_TxFrameDescriptorArray(void)
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680 {
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681 FRAME_DESCRIPTOR *pFrameDescriptor;
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diff changeset
682 int i;
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683
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684 // Each Frame Descriptor's frame data pointer points is NULL
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685 // if not in use, otherwise points to an ethBuffer
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686
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687 pFrameDescriptor = txFrameDescrArray;
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688
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689 for(i=0; i < MAX_TX_FRAME_DESCRIPTORS; i++)
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690 {
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691 pFrameDescriptor->FrameDataPtr = 0;
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692 pFrameDescriptor->Reserved = 0;
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693 pFrameDescriptor->StatusAndFrameLength = 0;
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694 pFrameDescriptor->NextFD = pFrameDescriptor+1;
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695 pFrameDescriptor++;
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696 }
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diff changeset
697
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diff changeset
698 // fix up the last pointer to loop back to the first
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diff changeset
699
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700 txFrameDescrArray[MAX_TX_FRAME_DESCRIPTORS-1].NextFD = txFrameDescrArray;
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diff changeset
701
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diff changeset
702 txDonePointer = txWritePointer = txFrameDescrArray;
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diff changeset
703
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704 return;
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705 }
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diff changeset
706
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707
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708 //======================================================================
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diff changeset
709 static void Init_RxFrameDescriptorArray(void)
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diff changeset
710 {
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711 FRAME_DESCRIPTOR *pFrameDescriptor;
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712 int i;
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713
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714 // Each Frame Descriptor's frame data pointer points to
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715 // an ethBuffer struct
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diff changeset
716
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717 pFrameDescriptor = rxFrameDescrArray;
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718
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719 for(i=0; i < MAX_RX_FRAME_DESCRIPTORS; i++)
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720 {
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diff changeset
721 pFrameDescriptor->FrameDataPtr = ((unsigned)allocBuffer() | FRM_OWNERSHIP_BDMA);
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jlarmour
parents:
diff changeset
722 pFrameDescriptor->Reserved = 0;
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jlarmour
parents:
diff changeset
723 pFrameDescriptor->StatusAndFrameLength = 0;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
724 pFrameDescriptor->NextFD = pFrameDescriptor+1;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
725 pFrameDescriptor++;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
726 }
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jlarmour
parents:
diff changeset
727
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
728 // 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
729
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
730 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
731
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
732 rxReadPointer = 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 return;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
735 }
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jlarmour
parents:
diff changeset
736
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
737 #if HavePHY
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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 HavePHYinterrupt
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jlarmour
parents:
diff changeset
740 static unsigned linkStatus;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
741
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jlarmour
parents:
diff changeset
742 static cyg_uint32 MAC_Phy_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
743 {
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jlarmour
parents:
diff changeset
744 cyg_drv_interrupt_acknowledge(vector);
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jlarmour
parents:
diff changeset
745 PhyInterruptAck();
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jlarmour
parents:
diff changeset
746 ++ks5000_MAC_Phy_Cnt;
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jlarmour
parents:
diff changeset
747 linkStatus = PhyStatus();
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jlarmour
parents:
diff changeset
748 if (linkStatus & PhyStatus_FullDuplex)
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jlarmour
parents:
diff changeset
749 MACConfigVar |= (1<<3);
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jlarmour
parents:
diff changeset
750 else
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jlarmour
parents:
diff changeset
751 MACConfigVar &= ~(1<<3);
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jlarmour
parents:
diff changeset
752
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jlarmour
parents:
diff changeset
753 #if defined(CYGPKG_NET)
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jlarmour
parents:
diff changeset
754 if (linkStatus & PhyStatus_FullDuplex)
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jlarmour
parents:
diff changeset
755 ifStats.duplex = 3;
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jlarmour
parents:
diff changeset
756 else
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jlarmour
parents:
diff changeset
757 ifStats.duplex = 2;
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jlarmour
parents:
diff changeset
758
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jlarmour
parents:
diff changeset
759 if (linkStatus & PhyStatus_LinkUp)
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jlarmour
parents:
diff changeset
760 ifStats.operational = 3;
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jlarmour
parents:
diff changeset
761 else
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jlarmour
parents:
diff changeset
762 ifStats.operational = 2;
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jlarmour
parents:
diff changeset
763
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jlarmour
parents:
diff changeset
764 if (linkStatus & PhyStatus_100Mb)
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jlarmour
parents:
diff changeset
765 ifStats.speed = 100000000;
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jlarmour
parents:
diff changeset
766 else
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jlarmour
parents:
diff changeset
767 ifStats.speed = 10000000;
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jlarmour
parents:
diff changeset
768 #endif
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jlarmour
parents:
diff changeset
769
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jlarmour
parents:
diff changeset
770 MACCON = MACConfigVar;
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jlarmour
parents:
diff changeset
771 return CYG_ISR_HANDLED;
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jlarmour
parents:
diff changeset
772 }
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jlarmour
parents:
diff changeset
773 #endif
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jlarmour
parents:
diff changeset
774 #endif
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jlarmour
parents:
diff changeset
775
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jlarmour
parents:
diff changeset
776 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
777 {
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jlarmour
parents:
diff changeset
778
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
779 // record status and then free any buffers we're done with
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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 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
782 {
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jlarmour
parents:
diff changeset
783 #if defined(CYGPKG_NET)
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jlarmour
parents:
diff changeset
784 U32 txStatus;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
785
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jlarmour
parents:
diff changeset
786 txStatus = txDonePointer->StatusAndFrameLength>>16;
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 ++ks5000_MAC_Tx_Cnt;
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jlarmour
parents:
diff changeset
789 ++ifStats.interrupts;
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jlarmour
parents:
diff changeset
790
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jlarmour
parents:
diff changeset
791 if (txStatus & MACTXSTAT_COMP)
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jlarmour
parents:
diff changeset
792 ++ifStats.tx_complete;
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jlarmour
parents:
diff changeset
793
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
794 if (txStatus & (MACTXSTAT_EX_COLL | MACTXSTAT_DEFFERED |
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
795 MACTXSTAT_UNDER | MACTXSTAT_DEFER |
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
796 MACTXSTAT_NCARR | MACTXSTAT_SIG_QUAL |
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
797 MACTXSTAT_LATE_COLL | MACTXSTAT_PAR |
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
798 MACTXSTAT_PAUSED | MACTXSTAT_HALTED))
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
799 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
800 // transmit failed, log errors
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
801 if (txStatus & MACTXSTAT_EX_COLL)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
802 ++ifStats.tx_max_collisions;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
803 if (txStatus & MACTXSTAT_DEFFERED)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
804 ++ifStats.tx_deferred;
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jlarmour
parents:
diff changeset
805 if (txStatus & MACTXSTAT_UNDER)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
806 ++ifStats.tx_underrun;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
807 if (txStatus & MACTXSTAT_DEFER)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
808 ;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
809 if (txStatus & MACTXSTAT_NCARR)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
810 ++ifStats.tx_carrier_loss;
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jlarmour
parents:
diff changeset
811 if (txStatus & MACTXSTAT_SIG_QUAL)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
812 ++ifStats.tx_sqetesterrors;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
813 if (txStatus & MACTXSTAT_LATE_COLL)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
814 ++ifStats.tx_late_collisions;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
815 if (txStatus & MACTXSTAT_PAR)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
816 ;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
817 if (txStatus & MACTXSTAT_PAUSED)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
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_HALTED)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
820 ;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
821 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
822 else
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 // transmit OK
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
825 int collisionCnt = txStatus & 0x0f;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
826 ++ifStats.tx_good;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
827 if (collisionCnt)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
828 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
829 if (collisionCnt == 1)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
830 ++ifStats.tx_single_collisions;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
831 else
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
832 ++ifStats.tx_mult_collisions;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
833 ifStats.tx_total_collisions += collisionCnt;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
834 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
835 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
836 #endif
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
837 isrFreeBuffer((tEthBuffer*)txDonePointer->FrameDataPtr);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
838 txDonePointer->FrameDataPtr = 0;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
839 txDonePointer = txDonePointer->NextFD;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
840 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
841 }
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 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
846 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
847 cyg_drv_interrupt_acknowledge(vector);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
848 ks32c5000_handle_tx_complete();
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
849 return CYG_ISR_HANDLED;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
850 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
851
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
852 static unsigned accumulatedMaxRxStatus=0;
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 //======================================================================
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
855 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
856 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
857 U32 IntMACRxStatus;
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 cyg_drv_interrupt_acknowledge(vector);
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 IntMACRxStatus = MACRXSTAT;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
862 MACRXSTAT = IntMACRxStatus;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
863
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
864 accumulatedMaxRxStatus |= IntMACRxStatus;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
865
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jlarmour
parents:
diff changeset
866 ++ks5000_MAC_Rx_Cnt;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
867
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
868 #if defined(CYGPKG_NET)
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 ++ifStats.interrupts;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
871
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
872 if (IntMACRxStatus & MACRXSTAT_GOOD)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
873 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
874 ++ifStats.rx_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 if (IntMACRxStatus & MACRXSTAT_CTL_RECD)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
877 ; // 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
878
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
879 return CYG_ISR_HANDLED;
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
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
882 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
883 MACRXSTAT_OVERFLOW | MACRXSTAT_LONG_ERR |
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
884 MACRXSTAT_PAR | MACRXSTAT_HALTED) )
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
885 {
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jlarmour
parents:
diff changeset
886 if (IntMACRxStatus & MACRXSTAT_ALLIGN_ERR)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
887 ++ifStats.rx_align_errors;
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jlarmour
parents:
diff changeset
888 if (IntMACRxStatus & MACRXSTAT_CRC_ERR)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
889 ++ifStats.rx_crc_errors;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
890 if (IntMACRxStatus & MACRXSTAT_OVERFLOW)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
891 ++ifStats.rx_overrun_errors;
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jlarmour
parents:
diff changeset
892 if (IntMACRxStatus & MACRXSTAT_LONG_ERR)
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jlarmour
parents:
diff changeset
893 ++ifStats.rx_too_long_frames;
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jlarmour
parents:
diff changeset
894 if (IntMACRxStatus & MACRXSTAT_PAR)
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jlarmour
parents:
diff changeset
895 ++ifStats.rx_symbol_errors;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
896 if (IntMACRxStatus & MACRXSTAT_HALTED)
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jlarmour
parents:
diff changeset
897 ;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
898 }
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jlarmour
parents:
diff changeset
899 #endif
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jlarmour
parents:
diff changeset
900 return CYG_ISR_HANDLED;
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jlarmour
parents:
diff changeset
901 }
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jlarmour
parents:
diff changeset
902
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
903
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
904
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
905 //======================================================================
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
906 // This interrupt only happens when errors occur
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jlarmour
parents:
diff changeset
907 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
908 {
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jlarmour
parents:
diff changeset
909 U32 IntBDMATxStatus;
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jlarmour
parents:
diff changeset
910
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jlarmour
parents:
diff changeset
911 cyg_drv_interrupt_acknowledge(vector);
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jlarmour
parents:
diff changeset
912
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jlarmour
parents:
diff changeset
913 IntBDMATxStatus = BDMASTAT;
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jlarmour
parents:
diff changeset
914 BDMASTAT = IntBDMATxStatus;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
915
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
916 ++ks5000_BDMA_Tx_Isr_Cnt;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
917 #if defined(CYGPKG_NET)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
918 ++ifStats.interrupts;
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jlarmour
parents:
diff changeset
919 #endif
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jlarmour
parents:
diff changeset
920 if (IntBDMATxStatus & BDMASTAT_TX_CCP)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
921 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
922 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
923 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
924 }
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jlarmour
parents:
diff changeset
925
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
926 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
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)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
929 BDMATxErrCnt.BTxNLErr++;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
930 if (IntBDMATxStatus & BDMASTAT_TX_NO)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
931 BDMATxErrCnt.BTxNOErr++;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
932 if (IntBDMATxStatus & BDMASTAT_TX_EMPTY)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
933 BDMATxErrCnt.BTxEmptyErr++;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
934 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
935
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
936 // 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
937
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
938 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
939 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
940 freeBuffer((tEthBuffer*)txDonePointer->FrameDataPtr);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
941 txDonePointer->FrameDataPtr = 0;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
942 txDonePointer = txDonePointer->NextFD;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
943 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
944
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
945 // 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
946
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
947 return CYG_ISR_HANDLED;
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
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 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
952 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
953 ++ks5000_BDMA_Tx_Dsr_Cnt;
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
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 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
960 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
961 U32 IntBDMARxStatus;
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 cyg_drv_interrupt_acknowledge(vector);
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 IntBDMARxStatus = BDMASTAT;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
966 BDMASTAT = IntBDMARxStatus;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
967
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
968 ++ks5000_BDMA_Rx_Isr_Cnt;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
969 #if defined(CYGPKG_NET)
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jlarmour
parents:
diff changeset
970 ++ifStats.interrupts;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
971 #endif
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
972 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
973 BDMASTAT_RX_MSO | BDMASTAT_RX_EMPTY |
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
974 BDMASTAT_RX_SEARLY) )
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
975 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
976 // 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
977 if (IntBDMARxStatus & BDMASTAT_RX_NL)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
978 BDMARxErrCnt.BRxNLErr++;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
979 if (IntBDMARxStatus & BDMASTAT_RX_NO)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
980 BDMARxErrCnt.BRxNOErr++;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
981 if (IntBDMARxStatus & BDMASTAT_RX_MSO)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
982 BDMARxErrCnt.BRxMSOErr++;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
983 if (IntBDMARxStatus & BDMASTAT_RX_EMPTY)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
984 BDMARxErrCnt.BRxEmptyErr++;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
985 if (IntBDMARxStatus & BDMASTAT_RX_SEARLY)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
986 BDMARxErrCnt.sBRxSEarly++;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
987 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
988
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
989 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
990 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
991
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
992 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
993
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
994 static cyg_handle_t bdmaRxIntrHandle;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
995 static cyg_handle_t bdmaTxIntrHandle;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
996 static cyg_handle_t macRxIntrHandle;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
997 static cyg_handle_t macTxIntrHandle;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
998
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
999 static cyg_interrupt bdmaRxIntrObject;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1000 static cyg_interrupt bdmaTxIntrObject;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1001 static cyg_interrupt macRxIntrObject;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1002 static cyg_interrupt macTxIntrObject;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1003
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1004 static int ethernetRunning;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1005
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diff changeset
1006 #if HavePHYinterrupt
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diff changeset
1007 static cyg_handle_t macPhyIntrHandle;
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diff changeset
1008 static cyg_interrupt macPhyIntrObject;
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diff changeset
1009 #endif
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diff changeset
1010
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diff changeset
1011 static void ks32c5000_eth_deliver(struct eth_drv_sc *sc)
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1012 {
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diff changeset
1013 unsigned short p;
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diff changeset
1014 tEthBuffer *rxBuffer;
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diff changeset
1015 extern void cyg_interrupt_post_dsr(CYG_ADDRWORD intr_obj);
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diff changeset
1016
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diff changeset
1017 ++ks5000_BDMA_Rx_Dsr_Cnt;
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diff changeset
1018
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diff changeset
1019 while (1)
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diff changeset
1020 {
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diff changeset
1021 if (!rx_frame_avail())
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diff changeset
1022 {
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diff changeset
1023 // no more frames
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1024 return;
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diff changeset
1025 }
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diff changeset
1026
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1027 if (!(rxBuffer=ks32c5000_eth_get_recv_buffer()))
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1028 {
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1029 // no buffers available
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1030 return;
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diff changeset
1031 }
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1032
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1033 p = *((unsigned short*)(rxBuffer->data+EtherFramePadding+ETH_HEADER_SIZE-2));
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1034
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1035 if (ethernetRunning)
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1036 eth_handle_recv_buffer(rxBuffer);
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1037 else
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1038 freeBuffer(rxBuffer);
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diff changeset
1039 }
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1040 }
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diff changeset
1041
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1042
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1043 static void installInterrupts(void)
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1044 {
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1045 extern struct eth_drv_sc ks32c5000_sc;
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1046 bool firstTime=true;
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1047
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1048 debug_printf("ks5000_ether: installInterrupts()\n");
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1049
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1050 if (!firstTime)
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1051 return;
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1052 firstTime = false;
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diff changeset
1053
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diff changeset
1054 initFreeList();
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diff changeset
1055 Init_RxFrameDescriptorArray();
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diff changeset
1056 Init_TxFrameDescriptorArray();
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1057
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1058 BDMARXPTR = (U32)rxReadPointer;
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1059 BDMATXPTR = (U32)txWritePointer;
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1060
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1061 cyg_drv_mutex_init(&txMutex);
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1062 cyg_drv_mutex_init(&oldRxMutex);
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diff changeset
1063 cyg_drv_cond_init(&oldRxCond,&oldRxMutex);
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1064
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1065 cyg_drv_interrupt_create(CYGNUM_HAL_INTERRUPT_EtherBDMARx,0,(unsigned)&ks32c5000_sc,BDMA_Rx_isr,eth_drv_dsr,&bdmaRxIntrHandle,&bdmaRxIntrObject);
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1066 cyg_drv_interrupt_create(CYGNUM_HAL_INTERRUPT_EtherBDMATx,0,0,BDMA_Tx_isr,BDMA_Tx_dsr,&bdmaTxIntrHandle,&bdmaTxIntrObject);
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1067 cyg_drv_interrupt_create(CYGNUM_HAL_INTERRUPT_EtherMacRx,0,0,MAC_Rx_isr,NULL,&macRxIntrHandle,&macRxIntrObject);
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1068 cyg_drv_interrupt_create(CYGNUM_HAL_INTERRUPT_EtherMacTx,0,0,MAC_Tx_isr,NULL,&macTxIntrHandle,&macTxIntrObject);
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diff changeset
1069 #if HavePHYinterrupt
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diff changeset
1070 cyg_drv_interrupt_create(CYGNUM_HAL_INTERRUPT_Ext0,0,0,MAC_Phy_isr,NULL,&macPhyIntrHandle,&macPhyIntrObject);
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1071 cyg_drv_interrupt_attach(macPhyIntrHandle);
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1072 #endif
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diff changeset
1073
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diff changeset
1074 cyg_drv_interrupt_attach(bdmaRxIntrHandle);
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1075 cyg_drv_interrupt_attach(bdmaTxIntrHandle);
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diff changeset
1076 cyg_drv_interrupt_attach(macRxIntrHandle);
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diff changeset
1077 cyg_drv_interrupt_attach(macTxIntrHandle);
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diff changeset
1078
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diff changeset
1079 cyg_drv_interrupt_acknowledge(CYGNUM_HAL_INTERRUPT_Ext0);
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1080 cyg_drv_interrupt_unmask(CYGNUM_HAL_INTERRUPT_Ext0);
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diff changeset
1081 }
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diff changeset
1082
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diff changeset
1083 //======================================================================
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diff changeset
1084 // Driver code that interfaces to the TCP/IP stack via the common
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diff changeset
1085 // Ethernet interface.
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diff changeset
1086
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diff changeset
1087
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1088 // don't have any private data, but if we did, this is where it would go
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diff changeset
1089 typedef struct
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diff changeset
1090 {
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diff changeset
1091 int j;
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diff changeset
1092 }ks32c5000_priv_data_t;
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diff changeset
1093
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diff changeset
1094 ks32c5000_priv_data_t ks32c5000_priv_data;
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diff changeset
1095
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diff changeset
1096 #define eth_drv_tx_done(sc,key,retval) (sc)->funs->eth_drv->tx_done(sc,key,retval)
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1097 #define eth_drv_init(sc,enaddr) ((sc)->funs->eth_drv->init)(sc, myMacAddr)
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diff changeset
1098 #define eth_drv_recv(sc,len) ((sc)->funs->eth_drv->recv)(sc, len)
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diff changeset
1099
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diff changeset
1100 static unsigned char myMacAddr[6] = { CYGPKG_DEVS_ETH_ARM_KS32C5000_MACADDR };
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diff changeset
1101
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diff changeset
1102 static bool ks32c5000_eth_init(struct cyg_netdevtab_entry *tab)
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diff changeset
1103 {
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diff changeset
1104 struct eth_drv_sc *sc = (struct eth_drv_sc *)tab->device_instance;
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1105 *(unsigned*)0x7ff5000 |= Bit(1)+Bit(3)+Bit(5); // enable debug output bits
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1106 // memcpy(myMacAddr,(unsigned char*)CAM_BaseAddr,6);
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diff changeset
1107 debug_printf("ks32c5000_eth_init()\n");
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diff changeset
1108 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
1109 #if defined(CYGPKG_NET)
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diff changeset
1110 ifStats.duplex = 1; //unknown
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diff changeset
1111 ifStats.operational = 1; //unknown
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diff changeset
1112 ifStats.tx_queue_len = MAX_TX_FRAME_DESCRIPTORS;
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diff changeset
1113 #endif
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diff changeset
1114 installInterrupts();
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diff changeset
1115 EthInit(myMacAddr);
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diff changeset
1116 #if defined(CYGPKG_NET)
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diff changeset
1117 cyg_drv_interrupt_unmask(CYGNUM_HAL_INTERRUPT_EtherBDMARx);
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diff changeset
1118 cyg_drv_interrupt_unmask(CYGNUM_HAL_INTERRUPT_EtherBDMATx);
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1119 cyg_drv_interrupt_unmask(CYGNUM_HAL_INTERRUPT_EtherMacRx);
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1120 cyg_drv_interrupt_unmask(CYGNUM_HAL_INTERRUPT_EtherMacTx);
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diff changeset
1121 #endif
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1122 configDone = 1;
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diff changeset
1123 ethernetRunning = 1;
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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 {
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diff changeset
1133 cyg_drv_interrupt_mask(CYGNUM_HAL_INTERRUPT_EtherBDMARx);
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diff changeset
1134 cyg_drv_interrupt_mask(CYGNUM_HAL_INTERRUPT_EtherBDMATx);
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diff changeset
1135 cyg_drv_interrupt_mask(CYGNUM_HAL_INTERRUPT_EtherMacRx);
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diff changeset
1136 cyg_drv_interrupt_mask(CYGNUM_HAL_INTERRUPT_EtherMacTx);
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diff changeset
1137 EthInit(enaddr);
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diff changeset
1138 cyg_drv_interrupt_unmask(CYGNUM_HAL_INTERRUPT_EtherBDMARx);
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parents:
diff changeset
1139 cyg_drv_interrupt_unmask(CYGNUM_HAL_INTERRUPT_EtherBDMATx);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1140 cyg_drv_interrupt_unmask(CYGNUM_HAL_INTERRUPT_EtherMacRx);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1141 cyg_drv_interrupt_unmask(CYGNUM_HAL_INTERRUPT_EtherMacTx);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
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 {
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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
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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;
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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);
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jlarmour
parents:
diff changeset
1167 return 0;
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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:
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jlarmour
parents:
diff changeset
1171 return -1;
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jlarmour
parents:
diff changeset
1172 }
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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 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1255 #if defined(CYGPKG_NET)
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 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
diff changeset
1317 return CYGNUM_HAL_INTERRUPT_EtherBDMARx;
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,
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1401 0xA00AE278L, 0xD70DD2EEL, 0x4E048354L, 0x3903B3C2L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
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1402 0xA7672661L, 0xD06016F7L, 0x4969474DL, 0x3E6E77DBL,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
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1403 0xAED16A4AL, 0xD9D65ADCL, 0x40DF0B66L, 0x37D83BF0L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
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1404 0xA9BCAE53L, 0xDEBB9EC5L, 0x47B2CF7FL, 0x30B5FFE9L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
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1405 0xBDBDF21CL, 0xCABAC28AL, 0x53B39330L, 0x24B4A3A6L,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
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1406 0xBAD03605L, 0xCDD70693L, 0x54DE5729L, 0x23D967BFL,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
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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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diff changeset
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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diff changeset
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