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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 | /*********************************** * $Id: m68360_enet.h,v 1.1 2002/03/02 15:01:07 gerg Exp $ *********************************** * *************************************** * Definitions for the ETHERNET controllers *************************************** */ #ifndef __ETHER_H #define __ETHER_H #include "quicc_simple.h" /* * transmit BD's */ #define T_R 0x8000 /* ready bit */ #define E_T_PAD 0x4000 /* short frame padding */ #define T_W 0x2000 /* wrap bit */ #define T_I 0x1000 /* interrupt on completion */ #define T_L 0x0800 /* last in frame */ #define T_TC 0x0400 /* transmit CRC (when last) */ #define T_DEF 0x0200 /* defer indication */ #define T_HB 0x0100 /* heartbeat */ #define T_LC 0x0080 /* error: late collision */ #define T_RL 0x0040 /* error: retransmission limit */ #define T_RC 0x003c /* retry count */ #define T_UN 0x0002 /* error: underrun */ #define T_CSL 0x0001 /* carier sense lost */ #define T_ERROR (T_HB | T_LC | T_RL | T_UN | T_CSL) /* * receive BD's */ #define R_E 0x8000 /* buffer empty */ #define R_W 0x2000 /* wrap bit */ #define R_I 0x1000 /* interrupt on reception */ #define R_L 0x0800 /* last BD in frame */ #define R_F 0x0400 /* first BD in frame */ #define R_M 0x0100 /* received because of promisc. mode */ #define R_LG 0x0020 /* frame too long */ #define R_NO 0x0010 /* non-octet aligned */ #define R_SH 0x0008 /* short frame */ #define R_CR 0x0004 /* receive CRC error */ #define R_OV 0x0002 /* receive overrun */ #define R_CL 0x0001 /* collision */ #define ETHER_R_ERROR (R_LG | R_NO | R_SH | R_CR | R_OV | R_CL) /* * ethernet interrupts */ #define ETHERNET_GRA 0x0080 /* graceful stop complete */ #define ETHERNET_TXE 0x0010 /* transmit error */ #define ETHERNET_RXF 0x0008 /* receive frame */ #define ETHERNET_BSY 0x0004 /* busy condition */ #define ETHERNET_TXB 0x0002 /* transmit buffer */ #define ETHERNET_RXB 0x0001 /* receive buffer */ /* * ethernet protocol specific mode register (PSMR) */ #define ETHER_HBC 0x8000 /* heartbeat checking */ #define ETHER_FC 0x4000 /* force collision */ #define ETHER_RSH 0x2000 /* receive short frames */ #define ETHER_IAM 0x1000 /* individual address mode */ #define ETHER_CRC_32 (0x2<<10) /* Enable CRC */ #define ETHER_PRO 0x0200 /* promiscuous */ #define ETHER_BRO 0x0100 /* broadcast address */ #define ETHER_SBT 0x0080 /* stop backoff timer */ #define ETHER_LPB 0x0040 /* Loop Back Mode */ #define ETHER_SIP 0x0020 /* sample input pins */ #define ETHER_LCW 0x0010 /* late collision window */ #define ETHER_NIB_13 (0x0<<1) /* # of ignored bits 13 */ #define ETHER_NIB_14 (0x1<<1) /* # of ignored bits 14 */ #define ETHER_NIB_15 (0x2<<1) /* # of ignored bits 15 */ #define ETHER_NIB_16 (0x3<<1) /* # of ignored bits 16 */ #define ETHER_NIB_21 (0x4<<1) /* # of ignored bits 21 */ #define ETHER_NIB_22 (0x5<<1) /* # of ignored bits 22 */ #define ETHER_NIB_23 (0x6<<1) /* # of ignored bits 23 */ #define ETHER_NIB_24 (0x7<<1) /* # of ignored bits 24 */ /* * ethernet specific parameters */ #define CRC_WORD 4 /* Length in bytes of CRC */ #define C_PRES 0xffffffff /* preform 32 bit CRC */ #define C_MASK 0xdebb20e3 /* comply with 32 bit CRC */ #define CRCEC 0x00000000 #define ALEC 0x00000000 #define DISFC 0x00000000 #define PADS 0x00000000 #define RET_LIM 0x000f /* retry 15 times to send a frame before interrupt */ #define ETH_MFLR 0x05ee /* 1518 max frame size */ #define MINFLR 0x0040 /* Minimum frame size 64 */ #define MAXD1 0x05ee /* Max dma count 1518 */ #define MAXD2 0x05ee #define GADDR1 0x00000000 /* Clear group address */ #define GADDR2 0x00000000 #define GADDR3 0x00000000 #define GADDR4 0x00000000 #define P_PER 0x00000000 /*not used */ #define IADDR1 0x00000000 /* Individual hash table not used */ #define IADDR2 0x00000000 #define IADDR3 0x00000000 #define IADDR4 0x00000000 #define TADDR_H 0x00000000 /* clear this regs */ #define TADDR_M 0x00000000 #define TADDR_L 0x00000000 /* SCC Parameter Ram */ #define RFCR 0x18 /* normal operation */ #define TFCR 0x18 /* normal operation */ #define E_MRBLR 1518 /* Max ethernet frame length */ /* * ethernet specific structure */ typedef union { unsigned char b[6]; struct { unsigned short high; unsigned short middl; unsigned short low; } w; } ETHER_ADDR; typedef struct { int max_frame_length; int promisc_mode; int reject_broadcast; ETHER_ADDR phys_adr; } ETHER_SPECIFIC; typedef struct { ETHER_ADDR dst_addr; ETHER_ADDR src_addr; unsigned short type_or_len; unsigned char data[1]; } ETHER_FRAME; #define MAX_DATALEN 1500 typedef struct { ETHER_ADDR dst_addr; ETHER_ADDR src_addr; unsigned short type_or_len; unsigned char data[MAX_DATALEN]; unsigned char fcs[CRC_WORD]; } ETHER_MAX_FRAME; /* * Internal ethernet function prototypes */ void ether_interrupt(int scc_num); /* mleslie: debug */ /* static void ethernet_rx_internal(int scc_num); */ /* static void ethernet_tx_internal(int scc_num); */ /* * User callable routines prototypes (ethernet specific) */ void ethernet_init(int scc_number, alloc_routine *alloc_buffer, free_routine *free_buffer, store_rx_buffer_routine *store_rx_buffer, handle_tx_error_routine *handle_tx_error, handle_rx_error_routine *handle_rx_error, handle_lost_error_routine *handle_lost_error, ETHER_SPECIFIC *ether_spec); int ethernet_tx(int scc_number, void *buf, int length); #endif |