| 1 | /* sis900.h Definitions for SiS ethernet controllers including 7014/7016 and 900 |
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| 2 | * Copyright 1999 Silicon Integrated System Corporation |
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| 3 | * References: |
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| 4 | * SiS 7016 Fast Ethernet PCI Bus 10/100 Mbps LAN Controller with OnNow Support, |
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| 5 | * preliminary Rev. 1.0 Jan. 14, 1998 |
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| 6 | * SiS 900 Fast Ethernet PCI Bus 10/100 Mbps LAN Single Chip with OnNow Support, |
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| 7 | * preliminary Rev. 1.0 Nov. 10, 1998 |
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| 8 | * SiS 7014 Single Chip 100BASE-TX/10BASE-T Physical Layer Solution, |
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| 9 | * preliminary Rev. 1.0 Jan. 18, 1998 |
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| 10 | * http://www.sis.com.tw/support/databook.htm |
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| 11 | */ |
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| 12 | |
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| 13 | /* |
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| 14 | * SiS 7016 and SiS 900 ethernet controller registers |
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| 15 | */ |
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| 16 | |
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| 17 | /* The I/O extent, SiS 900 needs 256 bytes of io address */ |
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| 18 | #define SIS900_TOTAL_SIZE 0x100 |
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| 19 | |
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| 20 | /* Symbolic offsets to registers. */ |
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| 21 | enum sis900_registers { |
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| 22 | cr=0x0, /* Command Register */ |
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| 23 | cfg=0x4, /* Configuration Register */ |
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| 24 | mear=0x8, /* EEPROM Access Register */ |
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| 25 | ptscr=0xc, /* PCI Test Control Register */ |
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| 26 | isr=0x10, /* Interrupt Status Register */ |
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| 27 | imr=0x14, /* Interrupt Mask Register */ |
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| 28 | ier=0x18, /* Interrupt Enable Register */ |
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| 29 | epar=0x18, /* Enhanced PHY Access Register */ |
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| 30 | txdp=0x20, /* Transmit Descriptor Pointer Register */ |
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| 31 | txcfg=0x24, /* Transmit Configuration Register */ |
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| 32 | rxdp=0x30, /* Receive Descriptor Pointer Register */ |
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| 33 | rxcfg=0x34, /* Receive Configuration Register */ |
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| 34 | flctrl=0x38, /* Flow Control Register */ |
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| 35 | rxlen=0x3c, /* Receive Packet Length Register */ |
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| 36 | rfcr=0x48, /* Receive Filter Control Register */ |
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| 37 | rfdr=0x4C, /* Receive Filter Data Register */ |
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| 38 | pmctrl=0xB0, /* Power Management Control Register */ |
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| 39 | pmer=0xB4 /* Power Management Wake-up Event Register */ |
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| 40 | }; |
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| 41 | |
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| 42 | /* Symbolic names for bits in various registers */ |
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| 43 | enum sis900_command_register_bits { |
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| 44 | RELOAD = 0x00000400, |
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| 45 | ACCESSMODE = 0x00000200, |
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| 46 | RESET = 0x00000100, |
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| 47 | SWI = 0x00000080, |
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| 48 | RxRESET = 0x00000020, |
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| 49 | TxRESET = 0x00000010, |
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| 50 | RxDIS = 0x00000008, |
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| 51 | RxENA = 0x00000004, |
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| 52 | TxDIS = 0x00000002, |
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| 53 | TxENA = 0x00000001 |
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| 54 | }; |
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| 55 | |
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| 56 | enum sis900_configuration_register_bits { |
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| 57 | DESCRFMT = 0x00000100, /* 7016 specific */ |
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| 58 | REQALG = 0x00000080, |
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| 59 | SB = 0x00000040, |
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| 60 | POW = 0x00000020, |
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| 61 | EXD = 0x00000010, |
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| 62 | PESEL = 0x00000008, |
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| 63 | LPM = 0x00000004, |
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| 64 | BEM = 0x00000001, |
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| 65 | RND_CNT = 0x00000400, |
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| 66 | FAIR_BACKOFF = 0x00000200, |
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| 67 | EDB_MASTER_EN = 0x00002000 |
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| 68 | }; |
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| 69 | |
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| 70 | enum sis900_eeprom_access_reigster_bits { |
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| 71 | MDC = 0x00000040, |
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| 72 | MDDIR = 0x00000020, |
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| 73 | MDIO = 0x00000010, /* 7016 specific */ |
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| 74 | EECS = 0x00000008, |
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| 75 | EECLK = 0x00000004, |
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| 76 | EEDO = 0x00000002, |
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| 77 | EEDI = 0x00000001 |
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| 78 | }; |
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| 79 | |
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| 80 | enum sis900_interrupt_register_bits { |
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| 81 | WKEVT = 0x10000000, |
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| 82 | TxPAUSEEND = 0x08000000, |
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| 83 | TxPAUSE = 0x04000000, |
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| 84 | TxRCMP = 0x02000000, |
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| 85 | RxRCMP = 0x01000000, |
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| 86 | DPERR = 0x00800000, |
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| 87 | SSERR = 0x00400000, |
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| 88 | RMABT = 0x00200000, |
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| 89 | RTABT = 0x00100000, |
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| 90 | RxSOVR = 0x00010000, |
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| 91 | HIBERR = 0x00008000, |
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| 92 | SWINT = 0x00001000, |
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| 93 | MIBINT = 0x00000800, |
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| 94 | TxURN = 0x00000400, |
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| 95 | TxIDLE = 0x00000200, |
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| 96 | TxERR = 0x00000100, |
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| 97 | TxDESC = 0x00000080, |
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| 98 | TxOK = 0x00000040, |
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| 99 | RxORN = 0x00000020, |
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| 100 | RxIDLE = 0x00000010, |
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| 101 | RxEARLY = 0x00000008, |
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| 102 | RxERR = 0x00000004, |
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| 103 | RxDESC = 0x00000002, |
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| 104 | RxOK = 0x00000001 |
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| 105 | }; |
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| 106 | |
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| 107 | enum sis900_interrupt_enable_reigster_bits { |
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| 108 | IE = 0x00000001 |
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| 109 | }; |
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| 110 | |
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| 111 | /* maximum dma burst for transmission and receive */ |
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| 112 | #define MAX_DMA_RANGE 7 /* actually 0 means MAXIMUM !! */ |
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| 113 | #define TxMXDMA_shift 20 |
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| 114 | #define RxMXDMA_shift 20 |
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| 115 | #define TX_DMA_BURST 0 |
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| 116 | #define RX_DMA_BURST 0 |
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| 117 | |
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| 118 | enum sis900_tx_rx_dma{ |
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| 119 | DMA_BURST_512 = 0, DMA_BURST_64 = 5 |
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| 120 | }; |
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| 121 | |
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| 122 | /* transmit FIFO thresholds */ |
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| 123 | #define TX_FILL_THRESH 16 /* 1/4 FIFO size */ |
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| 124 | #define TxFILLT_shift 8 |
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| 125 | #define TxDRNT_shift 0 |
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| 126 | #define TxDRNT_100 48 /* 3/4 FIFO size */ |
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| 127 | #define TxDRNT_10 16 /* 1/2 FIFO size */ |
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| 128 | |
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| 129 | enum sis900_transmit_config_register_bits { |
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| 130 | TxCSI = 0x80000000, |
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| 131 | TxHBI = 0x40000000, |
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| 132 | TxMLB = 0x20000000, |
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| 133 | TxATP = 0x10000000, |
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| 134 | TxIFG = 0x0C000000, |
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| 135 | TxFILLT = 0x00003F00, |
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| 136 | TxDRNT = 0x0000003F |
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| 137 | }; |
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| 138 | |
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| 139 | /* recevie FIFO thresholds */ |
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| 140 | #define RxDRNT_shift 1 |
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| 141 | #define RxDRNT_100 16 /* 1/2 FIFO size */ |
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| 142 | #define RxDRNT_10 24 /* 3/4 FIFO size */ |
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| 143 | |
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| 144 | enum sis900_reveive_config_register_bits { |
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| 145 | RxAEP = 0x80000000, |
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| 146 | RxARP = 0x40000000, |
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| 147 | RxATX = 0x10000000, |
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| 148 | RxAJAB = 0x08000000, |
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| 149 | RxDRNT = 0x0000007F |
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| 150 | }; |
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| 151 | |
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| 152 | #define RFAA_shift 28 |
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| 153 | #define RFADDR_shift 16 |
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| 154 | |
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| 155 | enum sis900_receive_filter_control_register_bits { |
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| 156 | RFEN = 0x80000000, |
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| 157 | RFAAB = 0x40000000, |
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| 158 | RFAAM = 0x20000000, |
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| 159 | RFAAP = 0x10000000, |
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| 160 | RFPromiscuous = (RFAAB|RFAAM|RFAAP) |
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| 161 | }; |
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| 162 | |
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| 163 | enum sis900_reveive_filter_data_mask { |
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| 164 | RFDAT = 0x0000FFFF |
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| 165 | }; |
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| 166 | |
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| 167 | /* EEPROM Addresses */ |
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| 168 | enum sis900_eeprom_address { |
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| 169 | EEPROMSignature = 0x00, |
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| 170 | EEPROMVendorID = 0x02, |
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| 171 | EEPROMDeviceID = 0x03, |
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| 172 | EEPROMMACAddr = 0x08, |
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| 173 | EEPROMChecksum = 0x0b |
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| 174 | }; |
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| 175 | |
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| 176 | /* The EEPROM commands include the alway-set leading bit. Refer to NM93Cxx datasheet */ |
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| 177 | enum sis900_eeprom_command { |
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| 178 | EEread = 0x0180, |
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| 179 | EEwrite = 0x0140, |
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| 180 | EEerase = 0x01C0, |
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| 181 | EEwriteEnable = 0x0130, |
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| 182 | EEwriteDisable = 0x0100, |
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| 183 | EEeraseAll = 0x0120, |
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| 184 | EEwriteAll = 0x0110, |
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| 185 | EEaddrMask = 0x013F, |
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| 186 | EEcmdShift = 16 |
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| 187 | }; |
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| 188 | |
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| 189 | /* For SiS962 or SiS963, request the eeprom software access */ |
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| 190 | enum sis96x_eeprom_command { |
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| 191 | EEREQ = 0x00000400, EEDONE = 0x00000200, EEGNT = 0x00000100 |
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| 192 | }; |
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| 193 | |
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| 194 | /* PCI Registers */ |
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| 195 | enum sis900_pci_registers { |
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| 196 | CFGPMC = 0x40, |
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| 197 | CFGPMCSR = 0x44 |
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| 198 | }; |
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| 199 | |
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| 200 | /* Power management capabilities bits */ |
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| 201 | enum sis900_cfgpmc_register_bits { |
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| 202 | PMVER = 0x00070000, |
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| 203 | DSI = 0x00100000, |
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| 204 | PMESP = 0xf8000000 |
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| 205 | }; |
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| 206 | |
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| 207 | enum sis900_pmesp_bits { |
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| 208 | PME_D0 = 0x1, |
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| 209 | PME_D1 = 0x2, |
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| 210 | PME_D2 = 0x4, |
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| 211 | PME_D3H = 0x8, |
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| 212 | PME_D3C = 0x10 |
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| 213 | }; |
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| 214 | |
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| 215 | /* Power management control/status bits */ |
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| 216 | enum sis900_cfgpmcsr_register_bits { |
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| 217 | PMESTS = 0x00004000, |
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| 218 | PME_EN = 0x00000100, // Power management enable |
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| 219 | PWR_STA = 0x00000003 // Current power state |
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| 220 | }; |
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| 221 | |
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| 222 | /* Wake-on-LAN support. */ |
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| 223 | enum sis900_power_management_control_register_bits { |
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| 224 | LINKLOSS = 0x00000001, |
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| 225 | LINKON = 0x00000002, |
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| 226 | MAGICPKT = 0x00000400, |
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| 227 | ALGORITHM = 0x00000800, |
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| 228 | FRM1EN = 0x00100000, |
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| 229 | FRM2EN = 0x00200000, |
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| 230 | FRM3EN = 0x00400000, |
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| 231 | FRM1ACS = 0x01000000, |
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| 232 | FRM2ACS = 0x02000000, |
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| 233 | FRM3ACS = 0x04000000, |
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| 234 | WAKEALL = 0x40000000, |
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| 235 | GATECLK = 0x80000000 |
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| 236 | }; |
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| 237 | |
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| 238 | /* Management Data I/O (mdio) frame */ |
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| 239 | #define MIIread 0x6000 |
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| 240 | #define MIIwrite 0x5002 |
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| 241 | #define MIIpmdShift 7 |
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| 242 | #define MIIregShift 2 |
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| 243 | #define MIIcmdLen 16 |
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| 244 | #define MIIcmdShift 16 |
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| 245 | |
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| 246 | /* Buffer Descriptor Status*/ |
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| 247 | enum sis900_buffer_status { |
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| 248 | OWN = 0x80000000, |
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| 249 | MORE = 0x40000000, |
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| 250 | INTR = 0x20000000, |
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| 251 | SUPCRC = 0x10000000, |
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| 252 | INCCRC = 0x10000000, |
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| 253 | OK = 0x08000000, |
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| 254 | DSIZE = 0x00000FFF |
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| 255 | }; |
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| 256 | /* Status for TX Buffers */ |
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| 257 | enum sis900_tx_buffer_status { |
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| 258 | ABORT = 0x04000000, |
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| 259 | UNDERRUN = 0x02000000, |
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| 260 | NOCARRIER = 0x01000000, |
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| 261 | DEFERD = 0x00800000, |
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| 262 | EXCDEFER = 0x00400000, |
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| 263 | OWCOLL = 0x00200000, |
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| 264 | EXCCOLL = 0x00100000, |
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| 265 | COLCNT = 0x000F0000 |
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| 266 | }; |
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| 267 | |
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| 268 | enum sis900_rx_bufer_status { |
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| 269 | OVERRUN = 0x02000000, |
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| 270 | DEST = 0x00800000, |
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| 271 | BCAST = 0x01800000, |
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| 272 | MCAST = 0x01000000, |
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| 273 | UNIMATCH = 0x00800000, |
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| 274 | TOOLONG = 0x00400000, |
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| 275 | RUNT = 0x00200000, |
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| 276 | RXISERR = 0x00100000, |
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| 277 | CRCERR = 0x00080000, |
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| 278 | FAERR = 0x00040000, |
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| 279 | LOOPBK = 0x00020000, |
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| 280 | RXCOL = 0x00010000 |
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| 281 | }; |
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| 282 | |
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| 283 | /* MII register offsets */ |
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| 284 | enum mii_registers { |
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| 285 | MII_CONTROL = 0x0000, |
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| 286 | MII_STATUS = 0x0001, |
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| 287 | MII_PHY_ID0 = 0x0002, |
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| 288 | MII_PHY_ID1 = 0x0003, |
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| 289 | MII_ANADV = 0x0004, |
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| 290 | MII_ANLPAR = 0x0005, |
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| 291 | MII_ANEXT = 0x0006 |
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| 292 | }; |
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| 293 | |
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| 294 | /* mii registers specific to SiS 900 */ |
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| 295 | enum sis_mii_registers { |
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| 296 | MII_CONFIG1 = 0x0010, |
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| 297 | MII_CONFIG2 = 0x0011, |
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| 298 | MII_STSOUT = 0x0012, |
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| 299 | MII_MASK = 0x0013, |
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| 300 | MII_RESV = 0x0014 |
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| 301 | }; |
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| 302 | |
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| 303 | /* mii registers specific to AMD 79C901 */ |
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| 304 | enum amd_mii_registers { |
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| 305 | MII_STATUS_SUMMARY = 0x0018 |
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| 306 | }; |
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| 307 | |
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| 308 | /* mii registers specific to ICS 1893 */ |
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| 309 | enum ics_mii_registers { |
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| 310 | MII_EXTCTRL = 0x0010, MII_QPDSTS = 0x0011, MII_10BTOP = 0x0012, |
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| 311 | MII_EXTCTRL2 = 0x0013 |
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| 312 | }; |
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| 313 | |
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| 314 | |
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| 315 | |
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| 316 | /* MII Control register bit definitions. */ |
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| 317 | enum mii_control_register_bits { |
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| 318 | MII_CNTL_FDX = 0x0100, |
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| 319 | MII_CNTL_RST_AUTO = 0x0200, |
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| 320 | MII_CNTL_ISOLATE = 0x0400, |
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| 321 | MII_CNTL_PWRDWN = 0x0800, |
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| 322 | MII_CNTL_AUTO = 0x1000, |
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| 323 | MII_CNTL_SPEED = 0x2000, |
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| 324 | MII_CNTL_LPBK = 0x4000, |
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| 325 | MII_CNTL_RESET = 0x8000 |
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| 326 | }; |
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| 327 | |
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| 328 | /* MII Status register bit */ |
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| 329 | enum mii_status_register_bits { |
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| 330 | MII_STAT_EXT = 0x0001, |
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| 331 | MII_STAT_JAB = 0x0002, |
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| 332 | MII_STAT_LINK = 0x0004, |
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| 333 | MII_STAT_CAN_AUTO = 0x0008, |
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| 334 | MII_STAT_FAULT = 0x0010, |
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| 335 | MII_STAT_AUTO_DONE = 0x0020, |
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| 336 | MII_STAT_CAN_T = 0x0800, |
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| 337 | MII_STAT_CAN_T_FDX = 0x1000, |
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| 338 | MII_STAT_CAN_TX = 0x2000, |
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| 339 | MII_STAT_CAN_TX_FDX = 0x4000, |
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| 340 | MII_STAT_CAN_T4 = 0x8000 |
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| 341 | }; |
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| 342 | |
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| 343 | #define MII_ID1_OUI_LO 0xFC00 /* low bits of OUI mask */ |
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| 344 | #define MII_ID1_MODEL 0x03F0 /* model number */ |
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| 345 | #define MII_ID1_REV 0x000F /* model number */ |
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| 346 | |
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| 347 | /* MII NWAY Register Bits ... |
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| 348 | valid for the ANAR (Auto-Negotiation Advertisement) and |
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| 349 | ANLPAR (Auto-Negotiation Link Partner) registers */ |
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| 350 | enum mii_nway_register_bits { |
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| 351 | MII_NWAY_NODE_SEL = 0x001f, |
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| 352 | MII_NWAY_CSMA_CD = 0x0001, |
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| 353 | MII_NWAY_T = 0x0020, |
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| 354 | MII_NWAY_T_FDX = 0x0040, |
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| 355 | MII_NWAY_TX = 0x0080, |
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| 356 | MII_NWAY_TX_FDX = 0x0100, |
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| 357 | MII_NWAY_T4 = 0x0200, |
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| 358 | MII_NWAY_PAUSE = 0x0400, |
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| 359 | MII_NWAY_RF = 0x2000, |
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| 360 | MII_NWAY_ACK = 0x4000, |
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| 361 | MII_NWAY_NP = 0x8000 |
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| 362 | }; |
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| 363 | |
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| 364 | enum mii_stsout_register_bits { |
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| 365 | MII_STSOUT_LINK_FAIL = 0x4000, |
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| 366 | MII_STSOUT_SPD = 0x0080, |
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| 367 | MII_STSOUT_DPLX = 0x0040 |
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| 368 | }; |
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| 369 | |
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| 370 | enum mii_stsics_register_bits { |
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| 371 | MII_STSICS_SPD = 0x8000, MII_STSICS_DPLX = 0x4000, |
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| 372 | MII_STSICS_LINKSTS = 0x0001 |
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| 373 | }; |
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| 374 | |
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| 375 | enum mii_stssum_register_bits { |
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| 376 | MII_STSSUM_LINK = 0x0008, |
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| 377 | MII_STSSUM_DPLX = 0x0004, |
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| 378 | MII_STSSUM_AUTO = 0x0002, |
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| 379 | MII_STSSUM_SPD = 0x0001 |
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| 380 | }; |
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| 381 | |
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| 382 | enum sis900_revision_id { |
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| 383 | SIS630A_900_REV = 0x80, SIS630E_900_REV = 0x81, |
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| 384 | SIS630S_900_REV = 0x82, SIS630EA1_900_REV = 0x83, |
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| 385 | SIS630ET_900_REV = 0x84, SIS635A_900_REV = 0x90, |
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| 386 | SIS96x_900_REV = 0X91, SIS900B_900_REV = 0x03 |
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| 387 | }; |
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| 388 | |
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| 389 | enum sis630_revision_id { |
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| 390 | SIS630A0 = 0x00, SIS630A1 = 0x01, |
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| 391 | SIS630B0 = 0x10, SIS630B1 = 0x11 |
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| 392 | }; |
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| 393 | |
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| 394 | #define FDX_CAPABLE_DUPLEX_UNKNOWN 0 |
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| 395 | #define FDX_CAPABLE_HALF_SELECTED 1 |
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| 396 | #define FDX_CAPABLE_FULL_SELECTED 2 |
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| 397 | |
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| 398 | #define HW_SPEED_UNCONFIG 0 |
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| 399 | #define HW_SPEED_HOME 1 |
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| 400 | #define HW_SPEED_10_MBPS 10 |
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| 401 | #define HW_SPEED_100_MBPS 100 |
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| 402 | #define HW_SPEED_DEFAULT (HW_SPEED_100_MBPS) |
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| 403 | |
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| 404 | #define CRC_SIZE 4 |
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| 405 | #define MAC_HEADER_SIZE 14 |
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| 406 | |
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| 407 | #if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE) |
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| 408 | #define MAX_FRAME_SIZE (1518 + 4) |
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| 409 | #else |
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| 410 | #define MAX_FRAME_SIZE 1518 |
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| 411 | #endif /* CONFIG_VLAN_802_1Q */ |
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| 412 | |
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| 413 | #define TX_BUF_SIZE (MAX_FRAME_SIZE+18) |
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| 414 | #define RX_BUF_SIZE (MAX_FRAME_SIZE+18) |
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| 415 | |
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| 416 | #define NUM_TX_DESC 16 /* Number of Tx descriptor registers. */ |
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| 417 | #define NUM_RX_DESC 16 /* Number of Rx descriptor registers. */ |
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| 418 | #define TX_TOTAL_SIZE NUM_TX_DESC*sizeof(BufferDesc) |
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| 419 | #define RX_TOTAL_SIZE NUM_RX_DESC*sizeof(BufferDesc) |
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| 420 | |
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| 421 | /* PCI stuff, should be move to pci.h */ |
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| 422 | #define SIS630_VENDOR_ID 0x1039 |
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| 423 | #define SIS630_DEVICE_ID 0x0630 |
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