diff options
Diffstat (limited to 'contrib/syslinux-4.02/gpxe/src/drivers/net/sis900.h')
| -rw-r--r-- | contrib/syslinux-4.02/gpxe/src/drivers/net/sis900.h | 375 |
1 files changed, 375 insertions, 0 deletions
diff --git a/contrib/syslinux-4.02/gpxe/src/drivers/net/sis900.h b/contrib/syslinux-4.02/gpxe/src/drivers/net/sis900.h new file mode 100644 index 0000000..7a5c6b5 --- /dev/null +++ b/contrib/syslinux-4.02/gpxe/src/drivers/net/sis900.h @@ -0,0 +1,375 @@ +/* -*- 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; |