/* SPDX-License-Identifier: GPL-2.0 */
/* sis900.h Definitions for SiS ethernet controllers including 7014/7016 and 900
* Copyright 1999 Silicon Integrated System Corporation
* 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
*/
/*
* SiS 7016 and SiS 900 ethernet controller registers
*/
/* The I/O extent, SiS 900 needs 256 bytes of io address */
#define SIS900_TOTAL_SIZE
0 x100
/* Symbolic offsets to registers. */
enum sis900_registers {
cr=
0 x0,
//Command Register
cfg=
0 x4,
//Configuration Register
mear=
0 x8,
//EEPROM Access Register
ptscr=
0 xc,
//PCI Test Control Register
isr=
0 x10,
//Interrupt Status Register
imr=
0 x14,
//Interrupt Mask Register
ier=
0 x18,
//Interrupt Enable Register
epar=
0 x18,
//Enhanced PHY Access Register
txdp=
0 x20,
//Transmit Descriptor Pointer Register
txcfg=
0 x24,
//Transmit Configuration Register
rxdp=
0 x30,
//Receive Descriptor Pointer Register
rxcfg=
0 x34,
//Receive Configuration Register
flctrl=
0 x38,
//Flow Control Register
rxlen=
0 x3c,
//Receive Packet Length Register
rfcr=
0 x48,
//Receive Filter Control Register
rfdr=
0 x4C,
//Receive Filter Data Register
pmctrl=
0 xB0,
//Power Management Control Register
pmer=
0 xB4
//Power Management Wake-up Event Register
};
/* Symbolic names for bits in various registers */
enum sis900_command_register_bits {
RELOAD =
0 x00000400, ACCESSMODE =
0 x00000200,
/* ET */
RESET =
0 x00000100, SWI =
0 x00000080, RxRESET =
0 x00000020,
TxRESET =
0 x00000010, RxDIS =
0 x00000008, RxENA =
0 x00000004,
TxDIS =
0 x00000002, TxENA =
0 x00000001
};
enum sis900_configuration_register_bits {
DESCRFMT =
0 x00000100
/* 7016 specific */, REQALG = 0x00000080,
SB =
0 x00000040, POW =
0 x00000020, EXD =
0 x00000010,
PESEL =
0 x00000008, LPM =
0 x00000004, BEM =
0 x00000001,
/* 635 & 900B Specific */
RND_CNT =
0 x00000400, FAIR_BACKOFF =
0 x00000200,
EDB_MASTER_EN =
0 x00002000
};
enum sis900_eeprom_access_register_bits {
MDC =
0 x00000040, MDDIR =
0 x00000020, MDIO =
0 x00000010,
/* 7016 specific */
EECS =
0 x00000008, EECLK =
0 x00000004, EEDO =
0 x00000002,
EEDI =
0 x00000001
};
enum sis900_interrupt_register_bits {
WKEVT =
0 x10000000, TxPAUSEEND =
0 x08000000, TxPAUSE =
0 x04000000,
TxRCMP =
0 x02000000, RxRCMP =
0 x01000000, DPERR =
0 x00800000,
SSERR =
0 x00400000, RMABT =
0 x00200000, RTABT =
0 x00100000,
RxSOVR =
0 x00010000, HIBERR =
0 x00008000, SWINT =
0 x00001000,
MIBINT =
0 x00000800, TxURN =
0 x00000400, TxIDLE =
0 x00000200,
TxERR =
0 x00000100, TxDESC =
0 x00000080, TxOK =
0 x00000040,
RxORN =
0 x00000020, RxIDLE =
0 x00000010, RxEARLY =
0 x00000008,
RxERR =
0 x00000004, RxDESC =
0 x00000002, RxOK =
0 x00000001
};
enum sis900_interrupt_enable_register_bits {
IE =
0 x00000001
};
/* maximum dma burst for transmission and receive */
#define MAX_DMA_RANGE
7 /* actually 0 means MAXIMUM !! */
#define TxMXDMA_shift
20
#define RxMXDMA_shift
20
enum sis900_tx_rx_dma{
DMA_BURST_512 =
0 , DMA_BURST_64 =
5
};
/* transmit FIFO thresholds */
#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 =
0 x80000000, TxHBI =
0 x40000000, TxMLB =
0 x20000000,
TxATP =
0 x10000000, TxIFG =
0 x0C000000, TxFILLT =
0 x00003F00,
TxDRNT =
0 x0000003F
};
/* 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 =
0 x80000000, RxARP =
0 x40000000, RxATX =
0 x10000000,
RxAJAB =
0 x08000000, RxDRNT =
0 x0000007F
};
#define RFAA_shift
28
#define RFADDR_shift
16
enum sis900_receive_filter_control_register_bits {
RFEN =
0 x80000000, RFAAB =
0 x40000000, RFAAM =
0 x20000000,
RFAAP =
0 x10000000, RFPromiscuous = (RFAAB|RFAAM|RFAAP)
};
enum sis900_reveive_filter_data_mask {
RFDAT =
0 x0000FFFF
};
/* EEPROM Addresses */
enum sis900_eeprom_address {
EEPROMSignature =
0 x00, EEPROMVendorID =
0 x02, EEPROMDeviceID =
0 x03,
EEPROMMACAddr =
0 x08, EEPROMChecksum =
0 x0b
};
/* The EEPROM commands include the alway-set leading bit. Refer to NM93Cxx datasheet */
enum sis900_eeprom_command {
EEread =
0 x0180, EEwrite =
0 x0140, EEerase =
0 x01C0,
EEwriteEnable =
0 x0130, EEwriteDisable =
0 x0100,
EEeraseAll =
0 x0120, EEwriteAll =
0 x0110,
EEaddrMask =
0 x013F, EEcmdShift =
16
};
/* For SiS962 or SiS963, request the eeprom software access */
enum sis96x_eeprom_command {
EEREQ =
0 x00000400, EEDONE =
0 x00000200, EEGNT =
0 x00000100
};
/* PCI Registers */
enum sis900_pci_registers {
CFGPMC =
0 x40,
CFGPMCSR =
0 x44
};
/* Power management capabilities bits */
enum sis900_cfgpmc_register_bits {
PMVER =
0 x00070000,
DSI =
0 x00100000,
PMESP =
0 xf8000000
};
enum sis900_pmesp_bits {
PME_D0 =
0 x1,
PME_D1 =
0 x2,
PME_D2 =
0 x4,
PME_D3H =
0 x8,
PME_D3C =
0 x10
};
/* Power management control/status bits */
enum sis900_cfgpmcsr_register_bits {
PMESTS =
0 x00004000,
PME_EN =
0 x00000100,
// Power management enable
PWR_STA =
0 x00000003
// Current power state
};
/* Wake-on-LAN support. */
enum sis900_power_management_control_register_bits {
LINKLOSS =
0 x00000001,
LINKON =
0 x00000002,
MAGICPKT =
0 x00000400,
ALGORITHM =
0 x00000800,
FRM1EN =
0 x00100000,
FRM2EN =
0 x00200000,
FRM3EN =
0 x00400000,
FRM1ACS =
0 x01000000,
FRM2ACS =
0 x02000000,
FRM3ACS =
0 x04000000,
WAKEALL =
0 x40000000,
GATECLK =
0 x80000000
};
/* Management Data I/O (mdio) frame */
#define MIIread
0 x6000
#define MIIwrite
0 x5002
#define MIIpmdShift
7
#define MIIregShift
2
#define MIIcmdLen
16
#define MIIcmdShift
16
/* Buffer Descriptor Status*/
enum sis900_buffer_status {
OWN =
0 x80000000, MORE =
0 x40000000, INTR =
0 x20000000,
SUPCRC =
0 x10000000, INCCRC =
0 x10000000,
OK =
0 x08000000, DSIZE =
0 x00000FFF
};
/* Status for TX Buffers */
enum sis900_tx_buffer_status {
ABORT =
0 x04000000, UNDERRUN =
0 x02000000, NOCARRIER =
0 x01000000,
DEFERD =
0 x00800000, EXCDEFER =
0 x00400000, OWCOLL =
0 x00200000,
EXCCOLL =
0 x00100000, COLCNT =
0 x000F0000
};
enum sis900_rx_buffer_status {
OVERRUN =
0 x02000000, DEST =
0 x00800000, BCAST =
0 x01800000,
MCAST =
0 x01000000, UNIMATCH =
0 x00800000, TOOLONG =
0 x00400000,
RUNT =
0 x00200000, RXISERR =
0 x00100000, CRCERR =
0 x00080000,
FAERR =
0 x00040000, LOOPBK =
0 x00020000, RXCOL =
0 x00010000
};
/* MII register offsets */
enum mii_registers {
MII_CONTROL =
0 x0000, MII_STATUS =
0 x0001, MII_PHY_ID0 =
0 x0002,
MII_PHY_ID1 =
0 x0003, MII_ANADV =
0 x0004, MII_ANLPAR =
0 x0005,
MII_ANEXT =
0 x0006
};
/* mii registers specific to SiS 900 */
enum sis_mii_registers {
MII_CONFIG1 =
0 x0010, MII_CONFIG2 =
0 x0011, MII_STSOUT =
0 x0012,
MII_MASK =
0 x0013, MII_RESV =
0 x0014
};
/* mii registers specific to ICS 1893 */
enum ics_mii_registers {
MII_EXTCTRL =
0 x0010, MII_QPDSTS =
0 x0011, MII_10BTOP =
0 x0012,
MII_EXTCTRL2 =
0 x0013
};
/* mii registers specific to AMD 79C901 */
enum amd_mii_registers {
MII_STATUS_SUMMARY =
0 x0018
};
/* MII Control register bit definitions. */
enum mii_control_register_bits {
MII_CNTL_FDX =
0 x0100, MII_CNTL_RST_AUTO =
0 x0200,
MII_CNTL_ISOLATE =
0 x0400, MII_CNTL_PWRDWN =
0 x0800,
MII_CNTL_AUTO =
0 x1000, MII_CNTL_SPEED =
0 x2000,
MII_CNTL_LPBK =
0 x4000, MII_CNTL_RESET =
0 x8000
};
/* MII Status register bit */
enum mii_status_register_bits {
MII_STAT_EXT =
0 x0001, MII_STAT_JAB =
0 x0002,
MII_STAT_LINK =
0 x0004, MII_STAT_CAN_AUTO =
0 x0008,
MII_STAT_FAULT =
0 x0010, MII_STAT_AUTO_DONE =
0 x0020,
MII_STAT_CAN_T =
0 x0800, MII_STAT_CAN_T_FDX =
0 x1000,
MII_STAT_CAN_TX =
0 x2000, MII_STAT_CAN_TX_FDX =
0 x4000,
MII_STAT_CAN_T4 =
0 x8000
};
#define MII_ID1_OUI_LO
0 xFC00
/* low bits of OUI mask */
#define MII_ID1_MODEL
0 x03F0
/* model number */
#define MII_ID1_REV
0 x000F
/* 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 =
0 x001f, MII_NWAY_CSMA_CD =
0 x0001,
MII_NWAY_T =
0 x0020, MII_NWAY_T_FDX =
0 x0040,
MII_NWAY_TX =
0 x0080, MII_NWAY_TX_FDX =
0 x0100,
MII_NWAY_T4 =
0 x0200, MII_NWAY_PAUSE =
0 x0400,
MII_NWAY_RF =
0 x2000, MII_NWAY_ACK =
0 x4000,
MII_NWAY_NP =
0 x8000
};
enum mii_stsout_register_bits {
MII_STSOUT_LINK_FAIL =
0 x4000,
MII_STSOUT_SPD =
0 x0080, MII_STSOUT_DPLX =
0 x0040
};
enum mii_stsics_register_bits {
MII_STSICS_SPD =
0 x8000, MII_STSICS_DPLX =
0 x4000,
MII_STSICS_LINKSTS =
0 x0001
};
enum mii_stssum_register_bits {
MII_STSSUM_LINK =
0 x0008, MII_STSSUM_DPLX =
0 x0004,
MII_STSSUM_AUTO =
0 x0002, MII_STSSUM_SPD =
0 x0001
};
enum sis900_revision_id {
SIS630A_900_REV =
0 x80, SIS630E_900_REV =
0 x81,
SIS630S_900_REV =
0 x82, SIS630EA1_900_REV =
0 x83,
SIS630ET_900_REV =
0 x84, SIS635A_900_REV =
0 x90,
SIS96x_900_REV =
0 X91, SIS900B_900_REV =
0 x03
};
enum sis630_revision_id {
SIS630A0 =
0 x00, SIS630A1 =
0 x01,
SIS630B0 =
0 x10, SIS630B1 =
0 x11
};
#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
#if IS_ENABLED(CONFIG_VLAN_8021Q)
#define MAX_FRAME_SIZE (
1518 +
4 )
#else
#define MAX_FRAME_SIZE
1518
#endif /* CONFIG_VLAN_802_1Q */
#define TX_BUF_SIZE (MAX_FRAME_SIZE+
18 )
#define RX_BUF_SIZE (MAX_FRAME_SIZE+
18 )
#define NUM_TX_DESC
16 /* Number of Tx descriptor registers. */
#define NUM_RX_DESC
16 /* Number of Rx descriptor registers. */
#define TX_TOTAL_SIZE NUM_TX_DESC*
sizeof (BufferDesc)
#define RX_TOTAL_SIZE NUM_RX_DESC*
sizeof (BufferDesc)
/* PCI stuff, should be move to pci.h */
#define SIS630_VENDOR_ID
0 x1039
#define SIS630_DEVICE_ID
0 x0630
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