1 | /* |
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2 | * RTEMS driver for WD800x |
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3 | * |
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4 | * Based on the 68360 Network Driver by: |
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5 | * W. Eric Norum |
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6 | * Saskatchewan Accelerator Laboratory |
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7 | * University of Saskatchewan |
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8 | * Saskatoon, Saskatchewan, CANADA |
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9 | * eric@skatter.usask.ca |
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10 | * |
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11 | * $Id$ |
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12 | */ |
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13 | |
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14 | #include <bsp.h> |
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15 | #include <wd80x3.h> |
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16 | |
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17 | #include <stdio.h> |
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18 | #include <stdarg.h> |
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19 | #include <rtems/error.h> |
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20 | #include <rtems/rtems_bsdnet.h> |
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21 | |
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22 | #include <sys/param.h> |
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23 | #include <sys/mbuf.h> |
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24 | #include <sys/socket.h> |
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25 | #include <sys/sockio.h> |
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26 | |
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27 | #include <net/if.h> |
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28 | |
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29 | #include <netinet/in.h> |
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30 | #include <netinet/if_ether.h> |
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31 | |
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32 | #include <irq.h> |
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33 | |
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34 | #define ET_MINLEN 60 /* minimum message length */ |
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35 | |
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36 | /* |
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37 | * Number of WDs supported by this driver |
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38 | */ |
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39 | #define NWDDRIVER 1 |
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40 | |
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41 | /* |
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42 | * Default number of buffer descriptors set aside for this driver. |
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43 | * The number of transmit buffer descriptors has to be quite large |
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44 | * since a single frame often uses four or more buffer descriptors. |
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45 | */ |
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46 | #define RX_BUF_COUNT 15 |
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47 | #define TX_BUF_COUNT 4 |
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48 | #define TX_BD_PER_BUF 4 |
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49 | |
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50 | /* |
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51 | * RTEMS event used by interrupt handler to signal driver tasks. |
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52 | * This must not be any of the events used by the network task synchronization. |
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53 | */ |
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54 | #define INTERRUPT_EVENT RTEMS_EVENT_1 |
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55 | |
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56 | /* |
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57 | * RTEMS event used to start transmit daemon. |
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58 | * This must not be the same as INTERRUPT_EVENT. |
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59 | */ |
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60 | #define START_TRANSMIT_EVENT RTEMS_EVENT_2 |
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61 | |
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62 | /* |
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63 | * Receive buffer size -- Allow for a full ethernet packet including CRC |
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64 | */ |
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65 | #define RBUF_SIZE 1520 |
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66 | |
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67 | #if (MCLBYTES < RBUF_SIZE) |
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68 | # error "Driver must have MCLBYTES > RBUF_SIZE" |
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69 | #endif |
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70 | |
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71 | /* |
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72 | * Per-device data |
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73 | */ |
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74 | struct wd_softc { |
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75 | struct arpcom arpcom; |
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76 | rtems_irq_connect_data irqInfo; |
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77 | struct mbuf **rxMbuf; |
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78 | struct mbuf **txMbuf; |
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79 | int acceptBroadcast; |
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80 | int rxBdCount; |
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81 | int txBdCount; |
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82 | int txBdHead; |
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83 | int txBdTail; |
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84 | int txBdActiveCount; |
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85 | rtems_id rxDaemonTid; |
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86 | rtems_id txDaemonTid; |
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87 | |
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88 | unsigned int port; |
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89 | unsigned char *base; |
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90 | unsigned long bpar; |
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91 | |
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92 | /* |
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93 | * Statistics |
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94 | */ |
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95 | unsigned long rxInterrupts; |
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96 | unsigned long rxNotFirst; |
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97 | unsigned long rxNotLast; |
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98 | unsigned long rxGiant; |
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99 | unsigned long rxNonOctet; |
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100 | unsigned long rxRunt; |
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101 | unsigned long rxBadCRC; |
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102 | unsigned long rxOverrun; |
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103 | unsigned long rxCollision; |
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104 | |
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105 | unsigned long txInterrupts; |
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106 | unsigned long txDeferred; |
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107 | unsigned long txHeartbeat; |
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108 | unsigned long txLateCollision; |
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109 | unsigned long txRetryLimit; |
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110 | unsigned long txUnderrun; |
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111 | unsigned long txLostCarrier; |
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112 | unsigned long txRawWait; |
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113 | }; |
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114 | |
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115 | #define RO 0x10 |
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116 | |
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117 | #define SHATOT (8*1024) /* size of shared memory */ |
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118 | #define SHAPAGE 256 /* shared memory information */ |
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119 | #define MAXSIZ 1536 /*(MAXBUF - MESSH_SZ)*/ |
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120 | #define OUTPAGE ((SHATOT-(MAXSIZ+SHAPAGE-1))/SHAPAGE) |
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121 | |
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122 | static volatile unsigned long overrun; |
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123 | static volatile unsigned long resend; |
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124 | static struct wd_softc wd_softc[NWDDRIVER]; |
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125 | |
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126 | /* |
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127 | * WD interrupt handler |
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128 | */ |
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129 | static rtems_isr |
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130 | wd8003Enet_interrupt_handler (rtems_vector_number v) |
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131 | { |
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132 | unsigned int tport; |
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133 | unsigned char status, status2; |
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134 | |
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135 | tport = wd_softc[0].port ; |
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136 | |
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137 | /* |
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138 | * Read status |
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139 | */ |
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140 | inport_byte(tport+ISR, status); |
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141 | outport_byte(tport+IMR, 0x00); |
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142 | |
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143 | /* |
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144 | * Ring overwrite |
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145 | */ |
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146 | |
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147 | if (status & MSK_OVW){ |
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148 | outport_byte(tport+CMDR, MSK_STP + MSK_RD2); /* stop 8390 */ |
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149 | Wait_X_ms(2); |
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150 | outport_byte(tport+RBCR0, 0); /* clear byte count */ |
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151 | outport_byte(tport+RBCR1, 0); |
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152 | inport_byte(tport+ISR, status2); |
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153 | status |= (status2 & (MSK_PTX+MSK_TXE)) ; /* TX status */ |
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154 | outport_byte(tport+TCR, MSK_LOOP); /* loopback mode */ |
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155 | outport_byte(tport+CMDR, MSK_STA + MSK_RD2); /* start */ |
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156 | overrun = 1 ; |
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157 | if ((status & (MSK_PTX+MSK_TXE)) == 0) |
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158 | resend = 1; |
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159 | } |
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160 | |
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161 | /* |
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162 | * Frame received? |
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163 | */ |
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164 | if (status & (MSK_PRX+MSK_RXE)) { |
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165 | outport_byte(tport+ISR, status & (MSK_PRX+MSK_RXE)); |
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166 | wd_softc[0].rxInterrupts++; |
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167 | rtems_event_send (wd_softc[0].rxDaemonTid, INTERRUPT_EVENT); |
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168 | } |
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169 | |
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170 | } |
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171 | |
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172 | static void nopOn(const rtems_irq_connect_data* notUsed) |
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173 | { |
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174 | /* |
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175 | * code should be moved from wd8003Enet_initialize_hardware |
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176 | * to this location |
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177 | */ |
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178 | } |
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179 | |
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180 | static int wdIsOn(const rtems_irq_connect_data* irq) |
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181 | { |
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182 | return BSP_irq_enabled_at_i8259s (irq->name); |
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183 | } |
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184 | |
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185 | /* |
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186 | * Initialize the ethernet hardware |
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187 | */ |
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188 | static void |
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189 | wd8003Enet_initialize_hardware (struct wd_softc *sc) |
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190 | { |
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191 | int i1, ultra; |
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192 | char cc1, cc2; |
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193 | unsigned char temp; |
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194 | rtems_status_code st; |
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195 | unsigned int tport; |
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196 | unsigned char *hwaddr; |
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197 | |
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198 | tport = sc->port; |
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199 | |
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200 | /* address from board ROM */ |
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201 | inport_byte(tport+0x04, temp); |
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202 | outport_byte(tport+0x04, temp & 0x7f); |
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203 | |
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204 | hwaddr = sc->arpcom.ac_enaddr; |
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205 | for (i1=cc2=0; i1<8; i1++) { |
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206 | inport_byte(tport + ADDROM + i1, cc1); |
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207 | cc2 += cc1; |
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208 | if (i1 < 6) |
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209 | hwaddr[i1] = cc1; |
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210 | } |
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211 | |
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212 | inport_byte(tport+0x04, temp); |
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213 | outport_byte(tport+0x04, temp | 0x80); /* alternate registers */ |
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214 | outport_byte(tport+W83CREG, MSK_RESET); /* reset board, set buffer */ |
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215 | outport_byte(tport+W83CREG, 0); |
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216 | outport_byte(tport+W83CREG, MSK_ENASH + (int)((sc->bpar>>13)&0x3f)); |
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217 | |
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218 | outport_byte(tport+CMDR, MSK_PG0 + MSK_RD2); |
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219 | cc1 = MSK_BMS + MSK_FT10; /* configure 8 or 16 bits */ |
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220 | |
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221 | inport_byte(tport+0x07, temp) ; |
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222 | |
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223 | ultra = ((temp & 0xf0) == 0x20 || (temp & 0xf0) == 0x40); |
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224 | if (ultra) |
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225 | cc1 = MSK_WTS + MSK_BMS + MSK_FT10; |
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226 | outport_byte(tport+DCR, cc1); |
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227 | outport_byte(tport+RBCR0, 0); |
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228 | outport_byte(tport+RBCR1, 0); |
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229 | outport_byte(tport+RCR, MSK_MON); /* disable the rxer */ |
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230 | outport_byte(tport+TCR, 0); /* normal operation */ |
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231 | outport_byte(tport+PSTOP, OUTPAGE); /* init PSTOP */ |
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232 | outport_byte(tport+PSTART, 0); /* init PSTART */ |
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233 | outport_byte(tport+BNRY, -1); /* init BNRY */ |
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234 | outport_byte(tport+ISR, -1); /* clear IR's */ |
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235 | outport_byte(tport+IMR, 0x15); /* enable interrupt */ |
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236 | |
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237 | outport_byte(tport+CMDR, MSK_PG1 + MSK_RD2); |
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238 | |
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239 | for (i1=0; i1<6; i1++) /* initial physical addr */ |
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240 | outport_byte(tport+PAR+i1, hwaddr[i1]); |
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241 | |
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242 | for (i1=0; i1<MARsize; i1++) /* clear multicast */ |
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243 | outport_byte(tport+MAR+i1, 0); |
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244 | outport_byte(tport+CURR, 0); /* init current packet */ |
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245 | |
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246 | outport_byte(tport+CMDR, MSK_PG0 + MSK_RD2); |
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247 | outport_byte(tport+CMDR, MSK_STA + MSK_RD2); /* put 8390 on line */ |
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248 | outport_byte(tport+RCR, MSK_AB); /* MSK_AB accept broadcast */ |
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249 | |
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250 | if (ultra) { |
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251 | inport_byte(tport+0x0c, temp); |
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252 | outport_byte(tport+0x0c, temp | 0x80); |
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253 | outport_byte(tport+0x05, 0x80); |
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254 | outport_byte(tport+0x06, 0x01); |
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255 | } |
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256 | |
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257 | /* |
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258 | * Set up interrupts |
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259 | */ |
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260 | sc->irqInfo.hdl = wd8003Enet_interrupt_handler; |
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261 | sc->irqInfo.on = nopOn; |
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262 | sc->irqInfo.off = nopOn; |
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263 | sc->irqInfo.isOn = wdIsOn; |
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264 | |
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265 | st = BSP_install_rtems_irq_handler (&sc->irqInfo); |
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266 | if (!st) |
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267 | rtems_panic ("Can't attach WD interrupt handler for irq %d\n", |
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268 | sc->irqInfo.name); |
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269 | } |
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270 | |
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271 | static void |
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272 | wd_rxDaemon (void *arg) |
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273 | { |
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274 | unsigned int tport; |
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275 | struct ether_header *eh; |
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276 | struct wd_softc *dp = (struct wd_softc *)&wd_softc[0]; |
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277 | struct ifnet *ifp = &dp->arpcom.ac_if; |
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278 | struct mbuf *m; |
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279 | unsigned int i2; |
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280 | unsigned int len; |
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281 | volatile unsigned char start, next, current; |
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282 | char *shp, *temp; |
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283 | rtems_event_set events; |
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284 | |
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285 | tport = wd_softc[0].port ; |
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286 | |
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287 | for (;;){ |
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288 | |
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289 | |
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290 | rtems_bsdnet_event_receive (INTERRUPT_EVENT, |
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291 | RTEMS_WAIT|RTEMS_EVENT_ANY, |
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292 | RTEMS_NO_TIMEOUT, |
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293 | &events); |
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294 | |
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295 | for (;;){ |
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296 | inport_byte(tport+BNRY, start); |
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297 | |
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298 | outport_byte(tport+CMDR, MSK_PG1 + MSK_RD2); |
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299 | inport_byte(tport+CURR, current); |
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300 | outport_byte(tport+CMDR, MSK_PG0 + MSK_RD2); |
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301 | |
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302 | start += 1; |
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303 | if (start >= OUTPAGE){ |
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304 | start = 0; |
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305 | } |
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306 | |
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307 | if (current == start) |
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308 | break; |
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309 | |
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310 | shp = dp->base + 1 + (SHAPAGE * start); |
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311 | next = *shp++; |
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312 | len = *((short *)shp)++ - 4; |
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313 | |
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314 | if (next >= OUTPAGE){ |
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315 | next = 0; |
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316 | } |
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317 | |
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318 | MGETHDR (m, M_WAIT, MT_DATA); |
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319 | MCLGET (m, M_WAIT); |
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320 | m->m_pkthdr.rcvif = ifp; |
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321 | |
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322 | temp = m->m_data; |
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323 | m->m_len = m->m_pkthdr.len = len - sizeof(struct ether_header); |
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324 | |
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325 | if ((i2 = (OUTPAGE - start) * SHAPAGE - 4) < len){ |
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326 | memcpy(temp, shp, i2); |
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327 | len -= i2; |
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328 | temp += i2; |
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329 | shp = dp->base; |
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330 | } |
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331 | memcpy(temp, shp, len); |
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332 | |
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333 | eh = mtod (m, struct ether_header *); |
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334 | m->m_data += sizeof(struct ether_header); |
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335 | ether_input (ifp, eh, m); |
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336 | |
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337 | outport_byte(tport+BNRY, next-1); |
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338 | } |
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339 | |
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340 | /* |
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341 | * Ring overwrite |
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342 | */ |
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343 | if (overrun){ |
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344 | outport_byte(tport+ISR, MSK_OVW); /* reset IR */ |
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345 | outport_byte(tport+TCR, 0); /* out of loopback */ |
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346 | if (resend == 1) |
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347 | outport_byte(tport+CMDR, MSK_TXP + MSK_RD2); /* resend */ |
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348 | resend = 0; |
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349 | overrun = 0; |
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350 | } |
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351 | |
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352 | outport_byte(tport+IMR, 0x15); /* re-enable IT rx */ |
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353 | } |
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354 | } |
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355 | |
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356 | static void |
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357 | sendpacket (struct ifnet *ifp, struct mbuf *m) |
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358 | { |
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359 | struct wd_softc *dp = ifp->if_softc; |
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360 | struct mbuf *n; |
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361 | unsigned int len, tport; |
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362 | char *shp, txReady; |
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363 | |
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364 | tport = dp->port; |
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365 | |
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366 | /* |
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367 | * Waiting for Transmitter ready |
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368 | */ |
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369 | inport_byte(tport+CMDR, txReady); |
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370 | while(txReady & MSK_TXP) |
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371 | inport_byte(tport+CMDR, txReady); |
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372 | |
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373 | len = 0; |
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374 | shp = dp->base + (SHAPAGE * OUTPAGE); |
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375 | |
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376 | n = m; |
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377 | |
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378 | for (;;){ |
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379 | len += m->m_len; |
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380 | memcpy(shp, (char *)m->m_data, m->m_len); |
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381 | shp += m->m_len ; |
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382 | if ((m = m->m_next) == NULL) |
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383 | break; |
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384 | } |
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385 | |
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386 | m_freem(n); |
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387 | |
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388 | if (len < ET_MINLEN) len = ET_MINLEN; |
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389 | outport_byte(tport+TBCR0, len); |
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390 | outport_byte(tport+TBCR1, (len >> 8) ); |
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391 | outport_byte(tport+TPSR, OUTPAGE); |
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392 | outport_byte(tport+CMDR, MSK_TXP + MSK_RD2); |
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393 | } |
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394 | |
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395 | /* |
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396 | * Driver transmit daemon |
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397 | */ |
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398 | void |
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399 | wd_txDaemon (void *arg) |
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400 | { |
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401 | struct wd_softc *sc = (struct wd_softc *)arg; |
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402 | struct ifnet *ifp = &sc->arpcom.ac_if; |
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403 | struct mbuf *m; |
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404 | rtems_event_set events; |
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405 | |
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406 | for (;;) { |
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407 | /* |
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408 | * Wait for packet |
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409 | */ |
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410 | rtems_bsdnet_event_receive (START_TRANSMIT_EVENT, RTEMS_EVENT_ANY | RTEMS_WAIT, RTEMS_NO_TIMEOUT, &events); |
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411 | |
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412 | /* |
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413 | * Send packets till queue is empty |
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414 | */ |
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415 | for (;;) { |
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416 | /* |
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417 | * Get the next mbuf chain to transmit. |
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418 | */ |
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419 | IF_DEQUEUE(&ifp->if_snd, m); |
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420 | if (!m) |
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421 | break; |
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422 | sendpacket (ifp, m); |
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423 | } |
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424 | ifp->if_flags &= ~IFF_OACTIVE; |
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425 | } |
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426 | } |
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427 | |
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428 | /* |
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429 | * Send packet (caller provides header). |
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430 | */ |
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431 | static void |
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432 | wd_start (struct ifnet *ifp) |
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433 | { |
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434 | struct wd_softc *sc = ifp->if_softc; |
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435 | |
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436 | rtems_event_send (sc->txDaemonTid, START_TRANSMIT_EVENT); |
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437 | ifp->if_flags |= IFF_OACTIVE; |
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438 | } |
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439 | |
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440 | /* |
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441 | * Initialize and start the device |
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442 | */ |
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443 | static void |
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444 | wd_init (void *arg) |
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445 | { |
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446 | struct wd_softc *sc = arg; |
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447 | struct ifnet *ifp = &sc->arpcom.ac_if; |
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448 | |
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449 | if (sc->txDaemonTid == 0) { |
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450 | |
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451 | /* |
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452 | * Set up WD hardware |
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453 | */ |
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454 | wd8003Enet_initialize_hardware (sc); |
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455 | |
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456 | /* |
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457 | * Start driver tasks |
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458 | */ |
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459 | sc->txDaemonTid = rtems_bsdnet_newproc ("SCtx", 4096, wd_txDaemon, sc); |
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460 | sc->rxDaemonTid = rtems_bsdnet_newproc ("SCrx", 4096, wd_rxDaemon, sc); |
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461 | } |
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462 | |
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463 | /* |
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464 | * Tell the world that we're running. |
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465 | */ |
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466 | ifp->if_flags |= IFF_RUNNING; |
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467 | |
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468 | } |
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469 | |
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470 | /* |
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471 | * Stop the device |
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472 | */ |
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473 | static void |
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474 | wd_stop (struct wd_softc *sc) |
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475 | { |
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476 | unsigned int tport; |
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477 | unsigned char temp; |
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478 | struct ifnet *ifp = &sc->arpcom.ac_if; |
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479 | |
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480 | ifp->if_flags &= ~IFF_RUNNING; |
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481 | |
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482 | /* |
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483 | * Stop the transmitter |
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484 | */ |
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485 | tport=wd_softc[0].port ; |
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486 | inport_byte(tport+0x04,temp); |
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487 | outport_byte(tport+0x04, temp & 0x7f); |
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488 | outport_byte(tport + CMDR, MSK_STP + MSK_RD2); |
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489 | |
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490 | } |
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491 | |
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492 | |
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493 | /* |
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494 | * Show interface statistics |
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495 | */ |
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496 | static void |
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497 | wd_stats (struct wd_softc *sc) |
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498 | { |
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499 | printf (" Rx Interrupts:%-8lu", sc->rxInterrupts); |
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500 | printf (" Not First:%-8lu", sc->rxNotFirst); |
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501 | printf (" Not Last:%-8lu\n", sc->rxNotLast); |
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502 | printf (" Giant:%-8lu", sc->rxGiant); |
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503 | printf (" Runt:%-8lu", sc->rxRunt); |
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504 | printf (" Non-octet:%-8lu\n", sc->rxNonOctet); |
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505 | printf (" Bad CRC:%-8lu", sc->rxBadCRC); |
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506 | printf (" Overrun:%-8lu", sc->rxOverrun); |
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507 | printf (" Collision:%-8lu\n", sc->rxCollision); |
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508 | |
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509 | printf (" Tx Interrupts:%-8lu", sc->txInterrupts); |
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510 | printf (" Deferred:%-8lu", sc->txDeferred); |
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511 | printf (" Missed Hearbeat:%-8lu\n", sc->txHeartbeat); |
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512 | printf (" No Carrier:%-8lu", sc->txLostCarrier); |
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513 | printf ("Retransmit Limit:%-8lu", sc->txRetryLimit); |
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514 | printf (" Late Collision:%-8lu\n", sc->txLateCollision); |
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515 | printf (" Underrun:%-8lu", sc->txUnderrun); |
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516 | printf (" Raw output wait:%-8lu\n", sc->txRawWait); |
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517 | } |
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518 | |
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519 | /* |
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520 | * Driver ioctl handler |
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521 | */ |
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522 | static int |
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523 | wd_ioctl (struct ifnet *ifp, int command, caddr_t data) |
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524 | { |
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525 | struct wd_softc *sc = ifp->if_softc; |
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526 | int error = 0; |
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527 | |
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528 | switch (command) { |
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529 | case SIOCGIFADDR: |
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530 | case SIOCSIFADDR: |
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531 | ether_ioctl (ifp, command, data); |
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532 | break; |
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533 | |
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534 | case SIOCSIFFLAGS: |
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535 | switch (ifp->if_flags & (IFF_UP | IFF_RUNNING)) { |
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536 | case IFF_RUNNING: |
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537 | wd_stop (sc); |
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538 | break; |
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539 | |
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540 | case IFF_UP: |
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541 | wd_init (sc); |
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542 | break; |
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543 | |
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544 | case IFF_UP | IFF_RUNNING: |
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545 | wd_stop (sc); |
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546 | wd_init (sc); |
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547 | break; |
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548 | |
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549 | default: |
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550 | break; |
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551 | } |
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552 | break; |
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553 | |
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554 | case SIO_RTEMS_SHOW_STATS: |
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555 | wd_stats (sc); |
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556 | break; |
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557 | |
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558 | /* |
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559 | * FIXME: All sorts of multicast commands need to be added here! |
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560 | */ |
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561 | default: |
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562 | error = EINVAL; |
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563 | break; |
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564 | } |
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565 | return error; |
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566 | } |
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567 | |
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568 | /* |
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569 | * Attach an WD driver to the system |
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570 | */ |
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571 | int |
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572 | rtems_wd_driver_attach (struct rtems_bsdnet_ifconfig *config) |
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573 | { |
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574 | struct wd_softc *sc; |
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575 | struct ifnet *ifp; |
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576 | int mtu; |
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577 | int i; |
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578 | |
---|
579 | /* |
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580 | * Find a free driver |
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581 | */ |
---|
582 | for (i = 0 ; i < NWDDRIVER ; i++) { |
---|
583 | sc = &wd_softc[i]; |
---|
584 | ifp = &sc->arpcom.ac_if; |
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585 | if (ifp->if_softc == NULL) |
---|
586 | break; |
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587 | } |
---|
588 | if (i >= NWDDRIVER) { |
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589 | printf ("Too many WD drivers.\n"); |
---|
590 | return 0; |
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591 | } |
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592 | |
---|
593 | /* |
---|
594 | * Process options |
---|
595 | */ |
---|
596 | if (config->hardware_address) { |
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597 | memcpy (sc->arpcom.ac_enaddr, config->hardware_address, |
---|
598 | ETHER_ADDR_LEN); |
---|
599 | } |
---|
600 | else { |
---|
601 | memset (sc->arpcom.ac_enaddr, 0x08,ETHER_ADDR_LEN); |
---|
602 | } |
---|
603 | if (config->mtu) |
---|
604 | mtu = config->mtu; |
---|
605 | else |
---|
606 | mtu = ETHERMTU; |
---|
607 | |
---|
608 | |
---|
609 | if (config->irno) |
---|
610 | sc->irqInfo.name = config->irno; |
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611 | else |
---|
612 | sc->irqInfo.name = 5; |
---|
613 | |
---|
614 | if (config->port) |
---|
615 | sc->port = config->port; |
---|
616 | else |
---|
617 | sc->port = 0x240; |
---|
618 | |
---|
619 | if (config->bpar) { |
---|
620 | sc->bpar = config->bpar; |
---|
621 | sc->base = (unsigned char*) config->bpar; |
---|
622 | } |
---|
623 | else { |
---|
624 | sc->bpar = 0xD0000; |
---|
625 | sc->base = (unsigned char*) 0xD0000; |
---|
626 | } |
---|
627 | |
---|
628 | sc->acceptBroadcast = !config->ignore_broadcast; |
---|
629 | |
---|
630 | /* |
---|
631 | * Set up network interface values |
---|
632 | */ |
---|
633 | ifp->if_softc = sc; |
---|
634 | ifp->if_unit = i + 1; |
---|
635 | ifp->if_name = "wd"; |
---|
636 | ifp->if_mtu = mtu; |
---|
637 | ifp->if_init = wd_init; |
---|
638 | ifp->if_ioctl = wd_ioctl; |
---|
639 | ifp->if_start = wd_start; |
---|
640 | ifp->if_output = ether_output; |
---|
641 | ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX; |
---|
642 | if (ifp->if_snd.ifq_maxlen == 0) |
---|
643 | ifp->if_snd.ifq_maxlen = ifqmaxlen; |
---|
644 | |
---|
645 | /* |
---|
646 | * init some variables |
---|
647 | */ |
---|
648 | overrun = 0; |
---|
649 | resend = 0; |
---|
650 | |
---|
651 | /* |
---|
652 | * Attach the interface |
---|
653 | */ |
---|
654 | if_attach (ifp); |
---|
655 | ether_ifattach (ifp); |
---|
656 | return 1; |
---|
657 | }; |
---|