1 /* sis900.h Definitions for SiS ethernet controllers including 7014/7016 and 900 2 * Copyright 1999 Silicon Integrated System Corporation 3 * References: 4 * SiS 7016 Fast Ethernet PCI Bus 10/100 Mbps LAN Controller with OnNow Support, 5 * preliminary Rev. 1.0 Jan. 14, 1998 6 * SiS 900 Fast Ethernet PCI Bus 10/100 Mbps LAN Single Chip with OnNow Support, 7 * preliminary Rev. 1.0 Nov. 10, 1998 8 * SiS 7014 Single Chip 100BASE-TX/10BASE-T Physical Layer Solution, 9 * preliminary Rev. 1.0 Jan. 18, 1998 10 * http://www.sis.com.tw/support/databook.htm 11 */ 12 13 /* 14 * SiS 7016 and SiS 900 ethernet controller registers 15 */ 16 17 /* The I/O extent, SiS 900 needs 256 bytes of io address */ 18 #define SIS900_TOTAL_SIZE 0x100 19 20 /* Symbolic offsets to registers. */ 21 enum sis900_registers { 22 cr=0x0, //Command Register 23 cfg=0x4, //Configuration Register 24 mear=0x8, //EEPROM Access Register 25 ptscr=0xc, //PCI Test Control Register 26 isr=0x10, //Interrupt Status Register 27 imr=0x14, //Interrupt Mask Register 28 ier=0x18, //Interrupt Enable Register 29 epar=0x18, //Enhanced PHY Access Register 30 txdp=0x20, //Transmit Descriptor Pointer Register 31 txcfg=0x24, //Transmit Configuration Register 32 rxdp=0x30, //Receive Descriptor Pointer Register 33 rxcfg=0x34, //Receive Configuration Register 34 flctrl=0x38, //Flow Control Register 35 rxlen=0x3c, //Receive Packet Length Register 36 rfcr=0x48, //Receive Filter Control Register 37 rfdr=0x4C, //Receive Filter Data Register 38 pmctrl=0xB0, //Power Management Control Register 39 pmer=0xB4 //Power Management Wake-up Event Register 40 }; 41 42 /* Symbolic names for bits in various registers */ 43 enum sis900_command_register_bits { 44 RELOAD = 0x00000400, ACCESSMODE = 0x00000200,/* ET */ 45 RESET = 0x00000100, SWI = 0x00000080, RxRESET = 0x00000020, 46 TxRESET = 0x00000010, RxDIS = 0x00000008, RxENA = 0x00000004, 47 TxDIS = 0x00000002, TxENA = 0x00000001 48 }; 49 50 enum sis900_configuration_register_bits { 51 DESCRFMT = 0x00000100 /* 7016 specific */, REQALG = 0x00000080, 52 SB = 0x00000040, POW = 0x00000020, EXD = 0x00000010, 53 PESEL = 0x00000008, LPM = 0x00000004, BEM = 0x00000001, 54 /* 635 & 900B Specific */ 55 RND_CNT = 0x00000400, FAIR_BACKOFF = 0x00000200, 56 EDB_MASTER_EN = 0x00002000 57 }; 58 59 enum sis900_eeprom_access_register_bits { 60 MDC = 0x00000040, MDDIR = 0x00000020, MDIO = 0x00000010, /* 7016 specific */ 61 EECS = 0x00000008, EECLK = 0x00000004, EEDO = 0x00000002, 62 EEDI = 0x00000001 63 }; 64 65 enum sis900_interrupt_register_bits { 66 WKEVT = 0x10000000, TxPAUSEEND = 0x08000000, TxPAUSE = 0x04000000, 67 TxRCMP = 0x02000000, RxRCMP = 0x01000000, DPERR = 0x00800000, 68 SSERR = 0x00400000, RMABT = 0x00200000, RTABT = 0x00100000, 69 RxSOVR = 0x00010000, HIBERR = 0x00008000, SWINT = 0x00001000, 70 MIBINT = 0x00000800, TxURN = 0x00000400, TxIDLE = 0x00000200, 71 TxERR = 0x00000100, TxDESC = 0x00000080, TxOK = 0x00000040, 72 RxORN = 0x00000020, RxIDLE = 0x00000010, RxEARLY = 0x00000008, 73 RxERR = 0x00000004, RxDESC = 0x00000002, RxOK = 0x00000001 74 }; 75 76 enum sis900_interrupt_enable_register_bits { 77 IE = 0x00000001 78 }; 79 80 /* maximum dma burst for transmission and receive */ 81 #define MAX_DMA_RANGE 7 /* actually 0 means MAXIMUM !! */ 82 #define TxMXDMA_shift 20 83 #define RxMXDMA_shift 20 84 85 enum sis900_tx_rx_dma{ 86 DMA_BURST_512 = 0, DMA_BURST_64 = 5 87 }; 88 89 /* transmit FIFO thresholds */ 90 #define TX_FILL_THRESH 16 /* 1/4 FIFO size */ 91 #define TxFILLT_shift 8 92 #define TxDRNT_shift 0 93 #define TxDRNT_100 48 /* 3/4 FIFO size */ 94 #define TxDRNT_10 16 /* 1/2 FIFO size */ 95 96 enum sis900_transmit_config_register_bits { 97 TxCSI = 0x80000000, TxHBI = 0x40000000, TxMLB = 0x20000000, 98 TxATP = 0x10000000, TxIFG = 0x0C000000, TxFILLT = 0x00003F00, 99 TxDRNT = 0x0000003F 100 }; 101 102 /* recevie FIFO thresholds */ 103 #define RxDRNT_shift 1 104 #define RxDRNT_100 16 /* 1/2 FIFO size */ 105 #define RxDRNT_10 24 /* 3/4 FIFO size */ 106 107 enum sis900_reveive_config_register_bits { 108 RxAEP = 0x80000000, RxARP = 0x40000000, RxATX = 0x10000000, 109 RxAJAB = 0x08000000, RxDRNT = 0x0000007F 110 }; 111 112 #define RFAA_shift 28 113 #define RFADDR_shift 16 114 115 enum sis900_receive_filter_control_register_bits { 116 RFEN = 0x80000000, RFAAB = 0x40000000, RFAAM = 0x20000000, 117 RFAAP = 0x10000000, RFPromiscuous = (RFAAB|RFAAM|RFAAP) 118 }; 119 120 enum sis900_reveive_filter_data_mask { 121 RFDAT = 0x0000FFFF 122 }; 123 124 /* EEPROM Addresses */ 125 enum sis900_eeprom_address { 126 EEPROMSignature = 0x00, EEPROMVendorID = 0x02, EEPROMDeviceID = 0x03, 127 EEPROMMACAddr = 0x08, EEPROMChecksum = 0x0b 128 }; 129 130 /* The EEPROM commands include the alway-set leading bit. Refer to NM93Cxx datasheet */ 131 enum sis900_eeprom_command { 132 EEread = 0x0180, EEwrite = 0x0140, EEerase = 0x01C0, 133 EEwriteEnable = 0x0130, EEwriteDisable = 0x0100, 134 EEeraseAll = 0x0120, EEwriteAll = 0x0110, 135 EEaddrMask = 0x013F, EEcmdShift = 16 136 }; 137 138 /* For SiS962 or SiS963, request the eeprom software access */ 139 enum sis96x_eeprom_command { 140 EEREQ = 0x00000400, EEDONE = 0x00000200, EEGNT = 0x00000100 141 }; 142 143 /* PCI Registers */ 144 enum sis900_pci_registers { 145 CFGPMC = 0x40, 146 CFGPMCSR = 0x44 147 }; 148 149 /* Power management capabilities bits */ 150 enum sis900_cfgpmc_register_bits { 151 PMVER = 0x00070000, 152 DSI = 0x00100000, 153 PMESP = 0xf8000000 154 }; 155 156 enum sis900_pmesp_bits { 157 PME_D0 = 0x1, 158 PME_D1 = 0x2, 159 PME_D2 = 0x4, 160 PME_D3H = 0x8, 161 PME_D3C = 0x10 162 }; 163 164 /* Power management control/status bits */ 165 enum sis900_cfgpmcsr_register_bits { 166 PMESTS = 0x00004000, 167 PME_EN = 0x00000100, // Power management enable 168 PWR_STA = 0x00000003 // Current power state 169 }; 170 171 /* Wake-on-LAN support. */ 172 enum sis900_power_management_control_register_bits { 173 LINKLOSS = 0x00000001, 174 LINKON = 0x00000002, 175 MAGICPKT = 0x00000400, 176 ALGORITHM = 0x00000800, 177 FRM1EN = 0x00100000, 178 FRM2EN = 0x00200000, 179 FRM3EN = 0x00400000, 180 FRM1ACS = 0x01000000, 181 FRM2ACS = 0x02000000, 182 FRM3ACS = 0x04000000, 183 WAKEALL = 0x40000000, 184 GATECLK = 0x80000000 185 }; 186 187 /* Management Data I/O (mdio) frame */ 188 #define MIIread 0x6000 189 #define MIIwrite 0x5002 190 #define MIIpmdShift 7 191 #define MIIregShift 2 192 #define MIIcmdLen 16 193 #define MIIcmdShift 16 194 195 /* Buffer Descriptor Status*/ 196 enum sis900_buffer_status { 197 OWN = 0x80000000, MORE = 0x40000000, INTR = 0x20000000, 198 SUPCRC = 0x10000000, INCCRC = 0x10000000, 199 OK = 0x08000000, DSIZE = 0x00000FFF 200 }; 201 /* Status for TX Buffers */ 202 enum sis900_tx_buffer_status { 203 ABORT = 0x04000000, UNDERRUN = 0x02000000, NOCARRIER = 0x01000000, 204 DEFERD = 0x00800000, EXCDEFER = 0x00400000, OWCOLL = 0x00200000, 205 EXCCOLL = 0x00100000, COLCNT = 0x000F0000 206 }; 207 208 enum sis900_rx_buffer_status { 209 OVERRUN = 0x02000000, DEST = 0x00800000, BCAST = 0x01800000, 210 MCAST = 0x01000000, UNIMATCH = 0x00800000, TOOLONG = 0x00400000, 211 RUNT = 0x00200000, RXISERR = 0x00100000, CRCERR = 0x00080000, 212 FAERR = 0x00040000, LOOPBK = 0x00020000, RXCOL = 0x00010000 213 }; 214 215 /* MII register offsets */ 216 enum mii_registers { 217 MII_CONTROL = 0x0000, MII_STATUS = 0x0001, MII_PHY_ID0 = 0x0002, 218 MII_PHY_ID1 = 0x0003, MII_ANADV = 0x0004, MII_ANLPAR = 0x0005, 219 MII_ANEXT = 0x0006 220 }; 221 222 /* mii registers specific to SiS 900 */ 223 enum sis_mii_registers { 224 MII_CONFIG1 = 0x0010, MII_CONFIG2 = 0x0011, MII_STSOUT = 0x0012, 225 MII_MASK = 0x0013, MII_RESV = 0x0014 226 }; 227 228 /* mii registers specific to ICS 1893 */ 229 enum ics_mii_registers { 230 MII_EXTCTRL = 0x0010, MII_QPDSTS = 0x0011, MII_10BTOP = 0x0012, 231 MII_EXTCTRL2 = 0x0013 232 }; 233 234 /* mii registers specific to AMD 79C901 */ 235 enum amd_mii_registers { 236 MII_STATUS_SUMMARY = 0x0018 237 }; 238 239 /* MII Control register bit definitions. */ 240 enum mii_control_register_bits { 241 MII_CNTL_FDX = 0x0100, MII_CNTL_RST_AUTO = 0x0200, 242 MII_CNTL_ISOLATE = 0x0400, MII_CNTL_PWRDWN = 0x0800, 243 MII_CNTL_AUTO = 0x1000, MII_CNTL_SPEED = 0x2000, 244 MII_CNTL_LPBK = 0x4000, MII_CNTL_RESET = 0x8000 245 }; 246 247 /* MII Status register bit */ 248 enum mii_status_register_bits { 249 MII_STAT_EXT = 0x0001, MII_STAT_JAB = 0x0002, 250 MII_STAT_LINK = 0x0004, MII_STAT_CAN_AUTO = 0x0008, 251 MII_STAT_FAULT = 0x0010, MII_STAT_AUTO_DONE = 0x0020, 252 MII_STAT_CAN_T = 0x0800, MII_STAT_CAN_T_FDX = 0x1000, 253 MII_STAT_CAN_TX = 0x2000, MII_STAT_CAN_TX_FDX = 0x4000, 254 MII_STAT_CAN_T4 = 0x8000 255 }; 256 257 #define MII_ID1_OUI_LO 0xFC00 /* low bits of OUI mask */ 258 #define MII_ID1_MODEL 0x03F0 /* model number */ 259 #define MII_ID1_REV 0x000F /* model number */ 260 261 /* MII NWAY Register Bits ... 262 valid for the ANAR (Auto-Negotiation Advertisement) and 263 ANLPAR (Auto-Negotiation Link Partner) registers */ 264 enum mii_nway_register_bits { 265 MII_NWAY_NODE_SEL = 0x001f, MII_NWAY_CSMA_CD = 0x0001, 266 MII_NWAY_T = 0x0020, MII_NWAY_T_FDX = 0x0040, 267 MII_NWAY_TX = 0x0080, MII_NWAY_TX_FDX = 0x0100, 268 MII_NWAY_T4 = 0x0200, MII_NWAY_PAUSE = 0x0400, 269 MII_NWAY_RF = 0x2000, MII_NWAY_ACK = 0x4000, 270 MII_NWAY_NP = 0x8000 271 }; 272 273 enum mii_stsout_register_bits { 274 MII_STSOUT_LINK_FAIL = 0x4000, 275 MII_STSOUT_SPD = 0x0080, MII_STSOUT_DPLX = 0x0040 276 }; 277 278 enum mii_stsics_register_bits { 279 MII_STSICS_SPD = 0x8000, MII_STSICS_DPLX = 0x4000, 280 MII_STSICS_LINKSTS = 0x0001 281 }; 282 283 enum mii_stssum_register_bits { 284 MII_STSSUM_LINK = 0x0008, MII_STSSUM_DPLX = 0x0004, 285 MII_STSSUM_AUTO = 0x0002, MII_STSSUM_SPD = 0x0001 286 }; 287 288 enum sis900_revision_id { 289 SIS630A_900_REV = 0x80, SIS630E_900_REV = 0x81, 290 SIS630S_900_REV = 0x82, SIS630EA1_900_REV = 0x83, 291 SIS630ET_900_REV = 0x84, SIS635A_900_REV = 0x90, 292 SIS96x_900_REV = 0X91, SIS900B_900_REV = 0x03 293 }; 294 295 enum sis630_revision_id { 296 SIS630A0 = 0x00, SIS630A1 = 0x01, 297 SIS630B0 = 0x10, SIS630B1 = 0x11 298 }; 299 300 #define FDX_CAPABLE_DUPLEX_UNKNOWN 0 301 #define FDX_CAPABLE_HALF_SELECTED 1 302 #define FDX_CAPABLE_FULL_SELECTED 2 303 304 #define HW_SPEED_UNCONFIG 0 305 #define HW_SPEED_HOME 1 306 #define HW_SPEED_10_MBPS 10 307 #define HW_SPEED_100_MBPS 100 308 #define HW_SPEED_DEFAULT (HW_SPEED_100_MBPS) 309 310 #define CRC_SIZE 4 311 #define MAC_HEADER_SIZE 14 312 313 #if IS_ENABLED(CONFIG_VLAN_8021Q) 314 #define MAX_FRAME_SIZE (1518 + 4) 315 #else 316 #define MAX_FRAME_SIZE 1518 317 #endif /* CONFIG_VLAN_802_1Q */ 318 319 #define TX_BUF_SIZE (MAX_FRAME_SIZE+18) 320 #define RX_BUF_SIZE (MAX_FRAME_SIZE+18) 321 322 #define NUM_TX_DESC 16 /* Number of Tx descriptor registers. */ 323 #define NUM_RX_DESC 16 /* Number of Rx descriptor registers. */ 324 #define TX_TOTAL_SIZE NUM_TX_DESC*sizeof(BufferDesc) 325 #define RX_TOTAL_SIZE NUM_RX_DESC*sizeof(BufferDesc) 326 327 /* PCI stuff, should be move to pci.h */ 328 #define SIS630_VENDOR_ID 0x1039 329 #define SIS630_DEVICE_ID 0x0630 330