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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 | /****************************************************************************/ /* * fec.h -- Fast Ethernet Controller for Motorola ColdFire 5272. * * (C) Copyright 2000-2001, Greg Ungerer (gerg@snapgear.com) * (C) Copyright 2000-2001, Lineo (www.lineo.com) */ /****************************************************************************/ #ifndef FEC_H #define FEC_H /****************************************************************************/ /* * Define device register set address map. */ typedef struct fec { unsigned long fec_ecntrl; /* Ethernet control reg */ unsigned long fec_ievent; /* Interrupt even reg */ unsigned long fec_imask; /* Interrupt mask reg */ unsigned long fec_ivec; /* Interrupt vec status reg */ unsigned long fec_r_des_active; /* Receive descriptor reg */ unsigned long fec_x_des_active; /* Transmit descriptor reg */ unsigned long fec_reserved1[10]; unsigned long fec_mii_data; /* MII manage frame reg */ unsigned long fec_mii_speed; /* MII speed control reg */ unsigned long fec_reserved2[17]; unsigned long fec_r_bound; /* FIFO receive bound reg */ unsigned long fec_r_fstart; /* FIFO receive start reg */ unsigned long fec_reserved3[4]; unsigned long fec_x_wmrk; /* FIFO transmit water mark */ unsigned long fec_reserved4; unsigned long fec_x_fstart; /* FIFO transmit start reg */ unsigned long fec_reserved5[21]; unsigned long fec_r_cntrl; /* Receive control reg */ unsigned long fec_max_frm_len; /* Maximum frame length reg */ unsigned long fec_reserved6[14]; unsigned long fec_x_cntrl; /* Transmit Control reg */ unsigned long fec_reserved7[158]; unsigned long fec_addr_low; /* Low 32bits MAC address */ unsigned long fec_addr_high; /* High 16bits MAC address */ unsigned long fec_hash_table_high; /* High 32bits hash table */ unsigned long fec_hash_table_low; /* Low 32bits hash table */ unsigned long fec_r_des_start; /* Receive descriptor ring */ unsigned long fec_x_des_start; /* Transmit descriptor ring */ unsigned long fec_r_buff_size; /* Maximum receive buff size */ unsigned long reserved8[9]; unsigned long fec_fifo_ram[112]; /* FIFO RAM buffer */ } fec_t; /* * Define the buffer descriptor structure. */ typedef struct bufdesc { unsigned short cbd_sc; /* Control and status info */ unsigned short cbd_datlen; /* Data length */ unsigned long cbd_bufaddr; /* Buffer address */ } cbd_t; /* * The following definitions courtesy of commproc.h, which where * Copyright (c) 1997 Dan Malek (dmalek@jlc.net). */ #define BD_SC_EMPTY ((ushort)0x8000) /* Recieve is empty */ #define BD_SC_READY ((ushort)0x8000) /* Transmit is ready */ #define BD_SC_WRAP ((ushort)0x2000) /* Last buffer descriptor */ #define BD_SC_INTRPT ((ushort)0x1000) /* Interrupt on change */ #define BD_SC_CM ((ushort)0x0200) /* Continous mode */ #define BD_SC_ID ((ushort)0x0100) /* Rec'd too many idles */ #define BD_SC_P ((ushort)0x0100) /* xmt preamble */ #define BD_SC_BR ((ushort)0x0020) /* Break received */ #define BD_SC_FR ((ushort)0x0010) /* Framing error */ #define BD_SC_PR ((ushort)0x0008) /* Parity error */ #define BD_SC_OV ((ushort)0x0002) /* Overrun */ #define BD_SC_CD ((ushort)0x0001) /* ?? */ /* Buffer descriptor control/status used by Ethernet receive. */ #define BD_ENET_RX_EMPTY ((ushort)0x8000) #define BD_ENET_RX_WRAP ((ushort)0x2000) #define BD_ENET_RX_INTR ((ushort)0x1000) #define BD_ENET_RX_LAST ((ushort)0x0800) #define BD_ENET_RX_FIRST ((ushort)0x0400) #define BD_ENET_RX_MISS ((ushort)0x0100) #define BD_ENET_RX_LG ((ushort)0x0020) #define BD_ENET_RX_NO ((ushort)0x0010) #define BD_ENET_RX_SH ((ushort)0x0008) #define BD_ENET_RX_CR ((ushort)0x0004) #define BD_ENET_RX_OV ((ushort)0x0002) #define BD_ENET_RX_CL ((ushort)0x0001) #define BD_ENET_RX_STATS ((ushort)0x013f) /* All status bits */ /* Buffer descriptor control/status used by Ethernet transmit. */ #define BD_ENET_TX_READY ((ushort)0x8000) #define BD_ENET_TX_PAD ((ushort)0x4000) #define BD_ENET_TX_WRAP ((ushort)0x2000) #define BD_ENET_TX_INTR ((ushort)0x1000) #define BD_ENET_TX_LAST ((ushort)0x0800) #define BD_ENET_TX_TC ((ushort)0x0400) #define BD_ENET_TX_DEF ((ushort)0x0200) #define BD_ENET_TX_HB ((ushort)0x0100) #define BD_ENET_TX_LC ((ushort)0x0080) #define BD_ENET_TX_RL ((ushort)0x0040) #define BD_ENET_TX_RCMASK ((ushort)0x003c) #define BD_ENET_TX_UN ((ushort)0x0002) #define BD_ENET_TX_CSL ((ushort)0x0001) #define BD_ENET_TX_STATS ((ushort)0x03ff) /* All status bits */ /****************************************************************************/ #endif /* FEC_H */ |