[dbaf51a] | 1 | /* |
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[1094cf0d] | 2 | * RTEMS driver for WD800x |
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[dbaf51a] | 3 | * |
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[1094cf0d] | 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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[dbaf51a] | 10 | * |
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| 11 | * $Id$ |
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| 12 | */ |
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[d9d75fc] | 13 | |
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[dbaf51a] | 14 | #include <bsp.h> |
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| 15 | #include <wd80x3.h> |
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[d9d75fc] | 16 | |
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| 17 | #include <stdio.h> |
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| 18 | #include <stdarg.h> |
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[dbaf51a] | 19 | #include <rtems/error.h> |
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[d9d75fc] | 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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[dbab462] | 32 | #include <irq.h> |
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[dbaf51a] | 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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[d9d75fc] | 37 | * Number of WDs supported by this driver |
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[dbaf51a] | 38 | */ |
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[d9d75fc] | 39 | #define NWDDRIVER 1 |
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[dbaf51a] | 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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[d9d75fc] | 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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[dbaf51a] | 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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[d9d75fc] | 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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[dbaf51a] | 64 | */ |
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[d9d75fc] | 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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[dbaf51a] | 70 | |
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| 71 | /* |
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[d9d75fc] | 72 | * Per-device data |
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[dbaf51a] | 73 | */ |
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[d9d75fc] | 74 | struct wd_softc { |
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| 75 | struct arpcom arpcom; |
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[dbab462] | 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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[d9d75fc] | 79 | int acceptBroadcast; |
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[dbab462] | 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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[d9d75fc] | 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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[dbaf51a] | 91 | |
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| 92 | /* |
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| 93 | * Statistics |
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| 94 | */ |
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[d9d75fc] | 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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[dbaf51a] | 104 | |
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[d9d75fc] | 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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[dbaf51a] | 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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[d9d75fc] | 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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[dbaf51a] | 125 | |
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| 126 | /* |
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[d9d75fc] | 127 | * WD interrupt handler |
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[dbaf51a] | 128 | */ |
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[d9d75fc] | 129 | static rtems_isr |
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| 130 | wd8003Enet_interrupt_handler (rtems_vector_number v) |
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[dbaf51a] | 131 | { |
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[eff217e] | 132 | unsigned int tport; |
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[dbaf51a] | 133 | unsigned char status, status2; |
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| 134 | |
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[d9d75fc] | 135 | tport = wd_softc[0].port ; |
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[dbaf51a] | 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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[d9d75fc] | 141 | outport_byte(tport+IMR, 0x00); |
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[dbaf51a] | 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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[eff217e] | 149 | Wait_X_ms(2); |
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[dbaf51a] | 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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[d9d75fc] | 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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[dbaf51a] | 159 | } |
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| 160 | |
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| 161 | /* |
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[d9d75fc] | 162 | * Frame received? |
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[dbaf51a] | 163 | */ |
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[d9d75fc] | 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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[dbaf51a] | 168 | } |
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| 169 | |
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[dbab462] | 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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[c77b2ca] | 182 | return BSP_irq_enabled_at_i8259s (irq->name); |
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[dbaf51a] | 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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[d9d75fc] | 189 | wd8003Enet_initialize_hardware (struct wd_softc *sc) |
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[dbaf51a] | 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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[d9d75fc] | 194 | rtems_status_code st; |
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[dbaf51a] | 195 | unsigned int tport; |
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[d9d75fc] | 196 | unsigned char *hwaddr; |
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[dbaf51a] | 197 | |
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[d9d75fc] | 198 | tport = sc->port; |
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[dbaf51a] | 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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[d9d75fc] | 204 | hwaddr = sc->arpcom.ac_enaddr; |
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[dbaf51a] | 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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[d9d75fc] | 209 | hwaddr[i1] = cc1; |
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[dbaf51a] | 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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[d9d75fc] | 216 | outport_byte(tport+W83CREG, MSK_ENASH + (int)((sc->bpar>>13)&0x3f)); |
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[dbaf51a] | 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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[d9d75fc] | 235 | outport_byte(tport+IMR, 0x15); /* enable interrupt */ |
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[dbaf51a] | 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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[d9d75fc] | 240 | outport_byte(tport+PAR+i1, hwaddr[i1]); |
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[dbaf51a] | 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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[d9d75fc] | 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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[dbab462] | 264 | |
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[c77b2ca] | 265 | st = BSP_install_rtems_irq_handler (&sc->irqInfo); |
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[d9d75fc] | 266 | if (!st) |
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[dbab462] | 267 | rtems_panic ("Can't attach WD interrupt handler for irq %d\n", |
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[d9d75fc] | 268 | sc->irqInfo.name); |
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[dbaf51a] | 269 | } |
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| 270 | |
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[d9d75fc] | 271 | static void |
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| 272 | wd_rxDaemon (void *arg) |
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[dbaf51a] | 273 | { |
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[d9d75fc] | 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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[dbaf51a] | 284 | |
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[d9d75fc] | 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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[dbaf51a] | 340 | /* |
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[d9d75fc] | 341 | * Ring overwrite |
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[dbaf51a] | 342 | */ |
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[d9d75fc] | 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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[eff217e] | 362 | char *shp, txReady; |
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[d9d75fc] | 363 | |
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| 364 | tport = dp->port; |
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| 365 | |
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[eff217e] | 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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[dbaf51a] | 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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[d9d75fc] | 376 | n = m; |
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[dbaf51a] | 377 | |
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| 378 | for (;;){ |
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[d9d75fc] | 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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[dbaf51a] | 383 | break; |
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| 384 | } |
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| 385 | |
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[d9d75fc] | 386 | m_freem(n); |
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| 387 | |
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[dbaf51a] | 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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[d9d75fc] | 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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[dbaf51a] | 462 | |
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| 463 | /* |
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[d9d75fc] | 464 | * Tell the world that we're running. |
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[dbaf51a] | 465 | */ |
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[d9d75fc] | 466 | ifp->if_flags |= IFF_RUNNING; |
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[dbaf51a] | 467 | |
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[d9d75fc] | 468 | } |
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[dbaf51a] | 469 | |
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| 470 | /* |
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[d9d75fc] | 471 | * Stop the device |
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[dbaf51a] | 472 | */ |
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[d9d75fc] | 473 | static void |
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| 474 | wd_stop (struct wd_softc *sc) |
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[dbaf51a] | 475 | { |
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| 476 | unsigned int tport; |
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| 477 | unsigned char temp; |
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[d9d75fc] | 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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[dbaf51a] | 482 | /* |
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| 483 | * Stop the transmitter |
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| 484 | */ |
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[d9d75fc] | 485 | tport=wd_softc[0].port ; |
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[dbaf51a] | 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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[d9d75fc] | 489 | |
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[dbaf51a] | 490 | } |
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| 491 | |
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[d9d75fc] | 492 | |
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[dbaf51a] | 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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[d9d75fc] | 497 | wd_stats (struct wd_softc *sc) |
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[dbaf51a] | 498 | { |
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[d9d75fc] | 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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[dbaf51a] | 517 | } |
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| 518 | |
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| 519 | /* |
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[d9d75fc] | 520 | * Driver ioctl handler |
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[dbaf51a] | 521 | */ |
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[d9d75fc] | 522 | static int |
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| 523 | wd_ioctl (struct ifnet *ifp, int command, caddr_t data) |
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[dbaf51a] | 524 | { |
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[d9d75fc] | 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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[dbaf51a] | 567 | |
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[d9d75fc] | 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 | |
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| 579 | /* |
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| 580 | * Find a free driver |
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| 581 | */ |
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| 582 | for (i = 0 ; i < NWDDRIVER ; i++) { |
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| 583 | sc = &wd_softc[i]; |
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| 584 | ifp = &sc->arpcom.ac_if; |
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| 585 | if (ifp->if_softc == NULL) |
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| 586 | break; |
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| 587 | } |
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| 588 | if (i >= NWDDRIVER) { |
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| 589 | printf ("Too many WD drivers.\n"); |
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| 590 | return 0; |
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| 591 | } |
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| 592 | |
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| 593 | /* |
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| 594 | * Process options |
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| 595 | */ |
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| 596 | if (config->hardware_address) { |
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| 597 | memcpy (sc->arpcom.ac_enaddr, config->hardware_address, |
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| 598 | ETHER_ADDR_LEN); |
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| 599 | } |
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| 600 | else { |
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| 601 | memset (sc->arpcom.ac_enaddr, 0x08,ETHER_ADDR_LEN); |
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| 602 | } |
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| 603 | if (config->mtu) |
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| 604 | mtu = config->mtu; |
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| 605 | else |
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| 606 | mtu = ETHERMTU; |
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| 607 | |
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| 608 | |
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| 609 | if (config->irno) |
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| 610 | sc->irqInfo.name = config->irno; |
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| 611 | else |
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| 612 | sc->irqInfo.name = 5; |
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| 613 | |
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| 614 | if (config->port) |
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| 615 | sc->port = config->port; |
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| 616 | else |
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| 617 | sc->port = 0x240; |
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| 618 | |
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| 619 | if (config->bpar) { |
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| 620 | sc->bpar = config->bpar; |
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| 621 | sc->base = (unsigned char*) config->bpar; |
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| 622 | } |
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| 623 | else { |
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| 624 | sc->bpar = 0xD0000; |
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| 625 | sc->base = (unsigned char*) 0xD0000; |
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| 626 | } |
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| 627 | |
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| 628 | sc->acceptBroadcast = !config->ignore_broadcast; |
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| 629 | |
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| 630 | /* |
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| 631 | * Set up network interface values |
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| 632 | */ |
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| 633 | ifp->if_softc = sc; |
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| 634 | ifp->if_unit = i + 1; |
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| 635 | ifp->if_name = "wd"; |
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| 636 | ifp->if_mtu = mtu; |
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| 637 | ifp->if_init = wd_init; |
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| 638 | ifp->if_ioctl = wd_ioctl; |
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| 639 | ifp->if_start = wd_start; |
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| 640 | ifp->if_output = ether_output; |
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| 641 | ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX; |
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| 642 | if (ifp->if_snd.ifq_maxlen == 0) |
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| 643 | ifp->if_snd.ifq_maxlen = ifqmaxlen; |
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| 644 | |
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| 645 | /* |
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| 646 | * init some variables |
---|
| 647 | */ |
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| 648 | overrun = 0; |
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| 649 | resend = 0; |
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| 650 | |
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| 651 | /* |
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| 652 | * Attach the interface |
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| 653 | */ |
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| 654 | if_attach (ifp); |
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| 655 | ether_ifattach (ifp); |
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| 656 | return 1; |
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| 657 | }; |
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