| /* -*- Mode:C; c-basic-offset:4; -*- */ |
| |
| /* Definitions for SiS ethernet controllers including 7014/7016 and 900 |
| * References: |
| * SiS 7016 Fast Ethernet PCI Bus 10/100 Mbps LAN Controller with OnNow Support, |
| * preliminary Rev. 1.0 Jan. 14, 1998 |
| * SiS 900 Fast Ethernet PCI Bus 10/100 Mbps LAN Single Chip with OnNow Support, |
| * preliminary Rev. 1.0 Nov. 10, 1998 |
| * SiS 7014 Single Chip 100BASE-TX/10BASE-T Physical Layer Solution, |
| * preliminary Rev. 1.0 Jan. 18, 1998 |
| * http://www.sis.com.tw/support/databook.htm |
| */ |
| |
| FILE_LICENCE ( GPL_ANY ); |
| |
| /* MAC operationl registers of SiS 7016 and SiS 900 ethernet controller */ |
| /* The I/O extent, SiS 900 needs 256 bytes of io address */ |
| #define SIS900_TOTAL_SIZE 0x100 |
| |
| /* Symbolic offsets to registers. */ |
| enum sis900_registers { |
| cr=0x0, /* Command Register */ |
| cfg=0x4, /* Configuration Register */ |
| mear=0x8, /* EEPROM Access Register */ |
| ptscr=0xc, /* PCI Test Control Register */ |
| isr=0x10, /* Interrupt Status Register */ |
| imr=0x14, /* Interrupt Mask Register */ |
| ier=0x18, /* Interrupt Enable Register */ |
| epar=0x18, /* Enhanced PHY Access Register */ |
| txdp=0x20, /* Transmit Descriptor Pointer Register */ |
| txcfg=0x24, /* Transmit Configuration Register */ |
| rxdp=0x30, /* Receive Descriptor Pointer Register */ |
| rxcfg=0x34, /* Receive Configuration Register */ |
| flctrl=0x38, /* Flow Control Register */ |
| rxlen=0x3c, /* Receive Packet Length Register */ |
| rfcr=0x48, /* Receive Filter Control Register */ |
| rfdr=0x4C, /* Receive Filter Data Register */ |
| pmctrl=0xB0, /* Power Management Control Register */ |
| pmer=0xB4 /* Power Management Wake-up Event Register */ |
| }; |
| |
| /* Symbolic names for bits in various registers */ |
| enum sis900_command_register_bits { |
| RELOAD = 0x00000400, |
| ACCESSMODE = 0x00000200, |
| RESET = 0x00000100, |
| SWI = 0x00000080, |
| RxRESET = 0x00000020, |
| TxRESET = 0x00000010, |
| RxDIS = 0x00000008, |
| RxENA = 0x00000004, |
| TxDIS = 0x00000002, |
| TxENA = 0x00000001 |
| }; |
| |
| enum sis900_configuration_register_bits { |
| DESCRFMT = 0x00000100, /* 7016 specific */ |
| REQALG = 0x00000080, |
| SB = 0x00000040, |
| POW = 0x00000020, |
| EXD = 0x00000010, |
| PESEL = 0x00000008, |
| LPM = 0x00000004, |
| BEM = 0x00000001, |
| RND_CNT = 0x00000400, |
| FAIR_BACKOFF = 0x00000200, |
| EDB_MASTER_EN = 0x00002000 |
| }; |
| |
| enum sis900_eeprom_access_reigster_bits { |
| MDC = 0x00000040, |
| MDDIR = 0x00000020, |
| MDIO = 0x00000010, /* 7016 specific */ |
| EECS = 0x00000008, |
| EECLK = 0x00000004, |
| EEDO = 0x00000002, |
| EEDI = 0x00000001 |
| }; |
| |
| enum sis900_interrupt_register_bits { |
| WKEVT = 0x10000000, |
| TxPAUSEEND = 0x08000000, |
| TxPAUSE = 0x04000000, |
| TxRCMP = 0x02000000, |
| RxRCMP = 0x01000000, |
| DPERR = 0x00800000, |
| SSERR = 0x00400000, |
| RMABT = 0x00200000, |
| RTABT = 0x00100000, |
| RxSOVR = 0x00010000, |
| HIBERR = 0x00008000, |
| SWINT = 0x00001000, |
| MIBINT = 0x00000800, |
| TxURN = 0x00000400, |
| TxIDLE = 0x00000200, |
| TxERR = 0x00000100, |
| TxDESC = 0x00000080, |
| TxOK = 0x00000040, |
| RxORN = 0x00000020, |
| RxIDLE = 0x00000010, |
| RxEARLY = 0x00000008, |
| RxERR = 0x00000004, |
| RxDESC = 0x00000002, |
| RxOK = 0x00000001 |
| }; |
| |
| enum sis900_interrupt_enable_reigster_bits { |
| IE = 0x00000001 |
| }; |
| |
| /* maximum dma burst fro transmission and receive*/ |
| #define MAX_DMA_RANGE 7 /* actually 0 means MAXIMUM !! */ |
| #define TxMXDMA_shift 20 |
| #define RxMXDMA_shift 20 |
| #define TX_DMA_BURST 0 |
| #define RX_DMA_BURST 0 |
| |
| enum sis900_tx_rx_dma{ |
| DMA_BURST_512 = 0, DMA_BURST_64 = 5 |
| }; |
| |
| /* transmit FIFO threshholds */ |
| #define TX_FILL_THRESH 16 /* 1/4 FIFO size */ |
| #define TxFILLT_shift 8 |
| #define TxDRNT_shift 0 |
| #define TxDRNT_100 48 /* 3/4 FIFO size */ |
| #define TxDRNT_10 16 /* 1/2 FIFO size */ |
| |
| enum sis900_transmit_config_register_bits { |
| TxCSI = 0x80000000, |
| TxHBI = 0x40000000, |
| TxMLB = 0x20000000, |
| TxATP = 0x10000000, |
| TxIFG = 0x0C000000, |
| TxFILLT = 0x00003F00, |
| TxDRNT = 0x0000003F |
| }; |
| |
| /* recevie FIFO thresholds */ |
| #define RxDRNT_shift 1 |
| #define RxDRNT_100 16 /* 1/2 FIFO size */ |
| #define RxDRNT_10 24 /* 3/4 FIFO size */ |
| |
| enum sis900_reveive_config_register_bits { |
| RxAEP = 0x80000000, |
| RxARP = 0x40000000, |
| RxATX = 0x10000000, |
| RxAJAB = 0x08000000, |
| RxDRNT = 0x0000007F |
| }; |
| |
| #define RFAA_shift 28 |
| #define RFADDR_shift 16 |
| |
| enum sis900_receive_filter_control_register_bits { |
| RFEN = 0x80000000, |
| RFAAB = 0x40000000, |
| RFAAM = 0x20000000, |
| RFAAP = 0x10000000, |
| RFPromiscuous = (RFAAB|RFAAM|RFAAP) |
| }; |
| |
| enum sis900_reveive_filter_data_mask { |
| RFDAT = 0x0000FFFF |
| }; |
| |
| /* EEPROM Addresses */ |
| enum sis900_eeprom_address { |
| EEPROMSignature = 0x00, |
| EEPROMVendorID = 0x02, |
| EEPROMDeviceID = 0x03, |
| EEPROMMACAddr = 0x08, |
| EEPROMChecksum = 0x0b |
| }; |
| |
| /* The EEPROM commands include the alway-set leading bit. Refer to NM93Cxx datasheet */ |
| enum sis900_eeprom_command { |
| EEread = 0x0180, |
| EEwrite = 0x0140, |
| EEerase = 0x01C0, |
| EEwriteEnable = 0x0130, |
| EEwriteDisable = 0x0100, |
| EEeraseAll = 0x0120, |
| EEwriteAll = 0x0110, |
| EEaddrMask = 0x013F, |
| EEcmdShift = 16 |
| }; |
| /* For SiS962 or SiS963, request the eeprom software access */ |
| enum sis96x_eeprom_command { |
| EEREQ = 0x00000400, EEDONE = 0x00000200, EEGNT = 0x00000100 |
| }; |
| |
| /* Manamgement Data I/O (mdio) frame */ |
| #define MIIread 0x6000 |
| #define MIIwrite 0x5002 |
| #define MIIpmdShift 7 |
| #define MIIregShift 2 |
| #define MIIcmdLen 16 |
| #define MIIcmdShift 16 |
| |
| /* Buffer Descriptor Status*/ |
| enum sis900_buffer_status { |
| OWN = 0x80000000, |
| MORE = 0x40000000, |
| INTR = 0x20000000, |
| SUPCRC = 0x10000000, |
| INCCRC = 0x10000000, |
| OK = 0x08000000, |
| DSIZE = 0x00000FFF |
| }; |
| |
| /* Status for TX Buffers */ |
| enum sis900_tx_buffer_status { |
| ABORT = 0x04000000, |
| UNDERRUN = 0x02000000, |
| NOCARRIER = 0x01000000, |
| DEFERD = 0x00800000, |
| EXCDEFER = 0x00400000, |
| OWCOLL = 0x00200000, |
| EXCCOLL = 0x00100000, |
| COLCNT = 0x000F0000 |
| }; |
| |
| enum sis900_rx_bufer_status { |
| OVERRUN = 0x02000000, |
| DEST = 0x00800000, |
| BCAST = 0x01800000, |
| MCAST = 0x01000000, |
| UNIMATCH = 0x00800000, |
| TOOLONG = 0x00400000, |
| RUNT = 0x00200000, |
| RXISERR = 0x00100000, |
| CRCERR = 0x00080000, |
| FAERR = 0x00040000, |
| LOOPBK = 0x00020000, |
| RXCOL = 0x00010000 |
| }; |
| |
| /* MII register offsets */ |
| enum mii_registers { |
| MII_CONTROL = 0x0000, |
| MII_STATUS = 0x0001, |
| MII_PHY_ID0 = 0x0002, |
| MII_PHY_ID1 = 0x0003, |
| MII_ANADV = 0x0004, |
| MII_ANLPAR = 0x0005, |
| MII_ANEXT = 0x0006 |
| }; |
| |
| /* mii registers specific to SiS 900 */ |
| enum sis_mii_registers { |
| MII_CONFIG1 = 0x0010, |
| MII_CONFIG2 = 0x0011, |
| MII_STSOUT = 0x0012, |
| MII_MASK = 0x0013, |
| MII_RESV = 0x0014 |
| }; |
| |
| /* mii registers specific to AMD 79C901 */ |
| enum amd_mii_registers { |
| MII_STATUS_SUMMARY = 0x0018 |
| }; |
| |
| /* mii registers specific to ICS 1893 */ |
| enum ics_mii_registers { |
| MII_EXTCTRL = 0x0010, MII_QPDSTS = 0x0011, MII_10BTOP = 0x0012, |
| MII_EXTCTRL2 = 0x0013 |
| }; |
| |
| |
| |
| /* MII Control register bit definitions. */ |
| enum mii_control_register_bits { |
| MII_CNTL_FDX = 0x0100, |
| MII_CNTL_RST_AUTO = 0x0200, |
| MII_CNTL_ISOLATE = 0x0400, |
| MII_CNTL_PWRDWN = 0x0800, |
| MII_CNTL_AUTO = 0x1000, |
| MII_CNTL_SPEED = 0x2000, |
| MII_CNTL_LPBK = 0x4000, |
| MII_CNTL_RESET = 0x8000 |
| }; |
| |
| /* MII Status register bit */ |
| enum mii_status_register_bits { |
| MII_STAT_EXT = 0x0001, |
| MII_STAT_JAB = 0x0002, |
| MII_STAT_LINK = 0x0004, |
| MII_STAT_CAN_AUTO = 0x0008, |
| MII_STAT_FAULT = 0x0010, |
| MII_STAT_AUTO_DONE = 0x0020, |
| MII_STAT_CAN_T = 0x0800, |
| MII_STAT_CAN_T_FDX = 0x1000, |
| MII_STAT_CAN_TX = 0x2000, |
| MII_STAT_CAN_TX_FDX = 0x4000, |
| MII_STAT_CAN_T4 = 0x8000 |
| }; |
| |
| #define MII_ID1_OUI_LO 0xFC00 /* low bits of OUI mask */ |
| #define MII_ID1_MODEL 0x03F0 /* model number */ |
| #define MII_ID1_REV 0x000F /* model number */ |
| |
| /* MII NWAY Register Bits ... |
| valid for the ANAR (Auto-Negotiation Advertisement) and |
| ANLPAR (Auto-Negotiation Link Partner) registers */ |
| enum mii_nway_register_bits { |
| MII_NWAY_NODE_SEL = 0x001f, |
| MII_NWAY_CSMA_CD = 0x0001, |
| MII_NWAY_T = 0x0020, |
| MII_NWAY_T_FDX = 0x0040, |
| MII_NWAY_TX = 0x0080, |
| MII_NWAY_TX_FDX = 0x0100, |
| MII_NWAY_T4 = 0x0200, |
| MII_NWAY_PAUSE = 0x0400, |
| MII_NWAY_RF = 0x2000, |
| MII_NWAY_ACK = 0x4000, |
| MII_NWAY_NP = 0x8000 |
| }; |
| |
| enum mii_stsout_register_bits { |
| MII_STSOUT_LINK_FAIL = 0x4000, |
| MII_STSOUT_SPD = 0x0080, |
| MII_STSOUT_DPLX = 0x0040 |
| }; |
| |
| enum mii_stsics_register_bits { |
| MII_STSICS_SPD = 0x8000, MII_STSICS_DPLX = 0x4000, |
| MII_STSICS_LINKSTS = 0x0001 |
| }; |
| |
| enum mii_stssum_register_bits { |
| MII_STSSUM_LINK = 0x0008, |
| MII_STSSUM_DPLX = 0x0004, |
| MII_STSSUM_AUTO = 0x0002, |
| MII_STSSUM_SPD = 0x0001 |
| }; |
| |
| enum sis900_revision_id { |
| SIS630A_900_REV = 0x80, SIS630E_900_REV = 0x81, |
| SIS630S_900_REV = 0x82, SIS630EA1_900_REV = 0x83, |
| SIS630ET_900_REV = 0x84, SIS635A_900_REV = 0x90, |
| SIS96x_900_REV = 0X91, SIS900B_900_REV = 0x03 |
| }; |
| |
| enum sis630_revision_id { |
| SIS630A0 = 0x00, SIS630A1 = 0x01, |
| SIS630B0 = 0x10, SIS630B1 = 0x11 |
| }; |
| |
| #define FDX_CAPABLE_DUPLEX_UNKNOWN 0 |
| #define FDX_CAPABLE_HALF_SELECTED 1 |
| #define FDX_CAPABLE_FULL_SELECTED 2 |
| |
| #define HW_SPEED_UNCONFIG 0 |
| #define HW_SPEED_HOME 1 |
| #define HW_SPEED_10_MBPS 10 |
| #define HW_SPEED_100_MBPS 100 |
| #define HW_SPEED_DEFAULT (HW_SPEED_100_MBPS) |
| |
| #define CRC_SIZE 4 |
| #define MAC_HEADER_SIZE 14 |
| |
| #define TX_BUF_SIZE 1536 |
| #define RX_BUF_SIZE 1536 |
| |
| #define NUM_RX_DESC 4 /* Number of Rx descriptor registers. */ |
| |
| /* Time in ticks before concluding the transmitter is hung. */ |
| #define TX_TIMEOUT (4*TICKS_PER_SEC) |
| |
| typedef struct _BufferDesc { |
| u32 link; |
| volatile u32 cmdsts; |
| u32 bufptr; |
| } BufferDesc; |
