/* -*- 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
*/
/* 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 {
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
};
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
/* 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,
};
/* 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 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
};
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. */
typedef unsigned char u8;
typedef signed char s8;
typedef unsigned short u16;
typedef signed short s16;
typedef unsigned int u32;
typedef signed int s32;
/* 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;