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minix/drivers/fxp/fxp.h
Erik van der Kouwe ada4859302 Extend Intel PRO/100 support
2009-08-26 21:01:46 +00:00

577 lines
20 KiB
C
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/*
ibm/fxp.h
Registers and datastructures of the Intel 82557, 82558, 82559, 82550,
and 82562 fast ethernet controllers.
Created: Nov 2004 by Philip Homburg <philip@f-mnx.phicoh.com>
*/
#define VERBOSE 0 /* display output during intialization */
/* Revisions in PCI_REV */
#define FXP_REV_82557A 0x01
#define FXP_REV_82557B 0x02
#define FXP_REV_82557C 0x03
#define FXP_REV_82558A 0x04
#define FXP_REV_82558B 0x05
#define FXP_REV_82559A 0x06
#define FXP_REV_82559B 0x07
#define FXP_REV_82559C 0x08
#define FXP_REV_82559ERA 0x09
#define FXP_REV_82550_1 0x0C
#define FXP_REV_82550_2 0x0D
#define FXP_REV_82550_3 0x0E
#define FXP_REV_82551_1 0x0F
#define FXP_REV_82551_2 0x10
#define FXP_REV_82801DB 0x81
/* Control/Status Registers (CSR). The first 8 bytes are called
* System Control Block (SCB)
*/
#define SCB_STATUS 0x00 /* Lower half of the SCB status word. CU and
* RU status.
*/
#define SS_CUS_MASK 0xC0 /* CU Status */
#define SS_CU_IDLE 0x00 /* Idle */
#define SS_CU_SUSP 0x40 /* Suspended */
#define SS_CU_LPQA 0x80 /* LPQ Active */
#define SS_CU_HQPA 0xC0 /* HQP Active */
#define SS_RUS_MASK 0x3C /* RU Status */
#define SS_RU_IDLE 0x00 /* Idle */
#define SS_RU_SUSP 0x04 /* Suspended */
#define SS_RU_NORES 0x08 /* No Resources */
#define SS_RU_READY 0x10 /* Ready */
/* Other values are reserved */
#define SS_RESERVED 0x03 /* Reserved */
#define SCB_INT_STAT 0x01 /* Upper half of the SCB status word.
* Interrupt status. Also used to acknoledge
* interrupts.
*/
#define SIS_CX 0x80 /* CU command with interrupt bit set. On
* 82557 also TNO Interrupt.
*/
#define SIS_FR 0x40 /* Frame Received */
#define SIS_CNA 0x20 /* CU Not Active */
#define SIS_RNR 0x10 /* RU Not Ready */
#define SIS_MDI 0x08 /* MDI read/write cycle completed */
#define SIS_SWI 0x04 /* Software Interrupt */
#define SIS_RES 0x02 /* Reserved */
#define SIS_FCP 0x01 /* Flow Control Pause Interrupt (82558 and
* later, reserved on 82557)
*/
#define SCB_CMD 0x02 /* Lower half of the SCB command word. CU and
* RU commands.
*/
#define SC_CUC_MASK 0xF0
#define SC_CU_NOP 0x00 /* NOP */
#define SC_CU_START 0x10 /* Start CU */
#define SC_CU_RESUME 0x20 /* Resume CU */
#define SC_CU_LOAD_DCA 0x40 /* Load Dump Counters Address */
#define SC_CU_DUMP_SC 0x50 /* Dump Statistical Counters */
#define SC_CU_LOAD_BASE 0x60 /* Load CU Base */
#define SC_CU_DUMP_RSET_SC 0x70 /* Dump and Reset Counters */
#define SC_CU_STATIC_RESUME 0xA0 /* Static Resume, 82558 and
* above
*/
#define SC_RESERVED 0x08 /* Reserved */
#define SC_RUC_MASK 0x07 /* RU Command Mask */
#define SC_RU_NOP 0x00 /* NOP */
#define SC_RU_START 0x01 /* Start RU */
#define SC_RU_RESUME 0x02 /* Resume RU */
#define SC_RU_DMA_REDIR 0x03 /* DMA Redirect */
#define SC_RU_ABORT 0x04 /* Abort RU */
#define SC_RU_LOAD_HDR 0x05 /* Load Header Data Size */
#define SC_RU_LOAD_BASE 0x06 /* Load RU Base */
#define SCB_INT_MASK 0x03 /* Upper half of the SCB command word.
* Interrupt mask. Can also be used to
* generate a 'software' interrupt.
*/
/* The following 6 mask bits are not valid on
* the 82557.
*/
#define SIM_CX 0x80 /* Mask CX */
#define SIM_FR 0x40 /* Mask FR */
#define SIM_CNA 0x20 /* Mask CNA */
#define SIM_RNR 0x10 /* Mask RNR */
#define SIM_ER 0x08 /* Mask ER */
#define SIM_FCP 0x04 /* Mask FCP */
#define SIM_SI 0x02 /* Generate Software Interrupt */
#define SIM_M 0x01 /* Mask all interrupts */
#define SCB_POINTER 0x04 /* A 32-bit (pointer) argument for CU and RU
* commands.
*/
#define CSR_PORT 0x08 /* Control functions that bypass the SCB */
#define CP_PTR_MASK 0xFFFFFFF0 /* Argument pointer */
#define CP_CMD_MASK 0x0000000F /* Commands bits */
#define CP_CMD_SOFT_RESET 0x00000000 /* Software reset */
#define CSR_PORT_RESET_DELAY 10 /* Wait for reset to
* complete. In micro
* seconds.
*/
#define CP_CMD_SELF_TEST 0x00000001 /* Self test */
#define CP_CMD_SEL_RESET 0x00000002 /* Selective reset */
#define CP_CMD_DUMP 0x00000003 /* Dump */
#define CP_CMD_DUMP_WAKEUP 0x00000007 /* Dump and wake-up,
* 82559 and later.
*/
#define CSR_RESERVED 0x0C /* reserved, 16-bits */
#define CSR_EEPROM 0x0E /* EEPROM Control Register */
#define CE_RESERVED 0xF0 /* Reserved */
#define CE_EEDO 0x08 /* Serial Data Out (of the EEPROM) */
#define CE_EEDI 0x04 /* Serial Data In (to the EEPROM) */
#define CE_EECS 0x02 /* Chip Select */
#define CE_EESK 0x01 /* Serial Clock */
#define CSR_RESERVED1 0x0F /* Reserved */
#define CSR_MDI_CTL 0x10 /* MDI Control Register, 32-bits */
#define CM_RESERVED 0xC0000000 /* Reserved */
#define CM_IE 0x20000000 /* Enable Interrupt */
#define CM_READY 0x10000000 /* Command completed */
#define CM_OPCODE_MASK 0x0C000000 /* Opcode */
#define CM_WRITE 0x04000000 /* Write */
#define CM_READ 0x08000000 /* Read */
#define CM_PHYADDR_MASK 0x03E00000 /* Which PHY */
#define CM_PHYADDR_SHIFT 21
#define CM_REG_MASK 0x001F0000 /* Which register in the PHY */
#define CM_REG_SHIFT 16
#define CM_DATA_MASK 0x0000FFFF /* Data to be read or written */
/* Control Block List (CBL) commands */
#define CBL_NOP 0 /* No-operation */
#define CBL_AIS 1 /* Individual Address Setup */
#define CBL_CONF 2 /* Configure NIC */
#define CBL_MAS 3 /* Multicast Address Setup */
#define CBL_XMIT 4 /* Transmit */
#define CBL_LM 5 /* Load Microcode */
#define CBL_DUMP 6 /* Dump Internal Registers */
#define CBL_DIAG 7 /* Diagnose Command */
/* Common command fields */
#define CBL_C_CMD_MASK 0x0007 /* Command bits */
#define CBL_C_EL 0x8000 /* End of CBL */
#define CBL_C_S 0x4000 /* Suspend after the completion of the CB */
#define CBL_C_I 0x2000 /* Request CX Interrupt */
#define CBL_C_RES 0x1FF8 /* Reserved */
/* Command flags */
#define CBL_F_C 0x8000 /* Command has completed */
#define CBL_F_RES1 0x4000 /* Reserved */
#define CBL_F_OK 0x2000 /* Command was executed without errors */
#define CBL_F_RES0 0x1FFF /* Reserved */
/* Individual Address Setup (1) */
struct ias
{
u16_t ias_status;
u16_t ias_command;
u32_t ias_linkaddr;
u8_t ias_ethaddr[6];
u8_t ias_reserved[2];
};
/* Configure (2) */
#define CC_BYTES_NR 22 /* Number of configuration bytes */
struct cbl_conf
{
u16_t cc_status;
u16_t cc_command;
u32_t cc_linkaddr;
u8_t cc_bytes[CC_BYTES_NR];
};
/* Byte 0 */
#define CCB0_RES 0xC0 /* Reserved (0) */
#define CCB0_BYTECOUNT 0x3F /* Byte Count (typically either 8 or 22) */
/* Byte 1 */
#define CCB1_RES 0x80 /* Reserved (0) */
#define CCB1_TXFIFO_LIM 0x70 /* Transmit FIFO Limit, in DWORDS */
#define CTL_DEFAULT 0x00 /* 0 bytes */
#define CCB1_RXFIFO_LIM 0x0F /* Receive FIFO Limit */
#define CRL_DEFAULT 0x08 /* 32 bytes on 82557, 64 bytes on
* 82558/82559.
*/
/* Byte 2 */
#define CCB2_AIFS 0xFF /* Adaptive IFS */
#define CAI_DEFAULT 0
/* Byte 3 */
/* Reserved (must be 0) on 82557 */
#define CCB3_RES 0xF0 /* Reserved (0) */
#define CCB3_TWCL 0x08 /* Terminate Write on Cache Line */
#define CCB3_RAE 0x04 /* Read Alignment Enable */
#define CCB3_TE 0x02 /* Type Enable??? */
#define CCB3_MWIE 0x01 /* Memory Write and Invalidate (MWI) Enable
* Additionally the MWI bit in the PCI
* command register has to be set.
* Recommended by Intel.
*/
/* Byte 4 */
#define CCB4_RES 0x80 /* Reserved (0) */
#define CCB4_RXDMA_MAX 0x7F /* Receive DMA Maximum Byte Count */
/* Byte 5 */
#define CCB5_DMBCE 0x80 /* DMA Maximum Byte Count Enable */
#define CCB5_TXDMA_MAX 0x7F /* Transmit DMA Maximum Byte Count */
/* Byte 6 */
#define CCB6_SBF 0x80 /* Save Bad Frames */
#define CCB6_DORF 0x40 /* (Do not) Discard Overrun Receive Frame,
* Set this bit to keep them.
*/
#define CCB6_ESC 0x20 /* Extended Statistical Counter. Reserved
* on 82557, must be set to 1.
* Clear this bit to get more counters.
*/
#define CCB6_ETCB 0x10 /* Extended Transmit CB. Reserved on 82557,
* must be set to 1.
* Clear this bit to use Extended TxCBs.
*/
#define CCB6_CI_INT 0x08 /* CPU Idle (CI) Interrupt. Generate a
* CI Int (bit set) or a CNA Int (bit clear)
* when the CU goes to the idle state (or
* to suspended for CNA).
*/
#define CCB6_TNO_INT 0x04 /* Enable TNO Interrupt (82557 only) */
#define CCB6_TCOSC 0x04 /* TCO Statistical Counter (82559 only) */
#define CCB6_RES 0x02 /* Reserved, must be set to 1. Called "disable
* direct rcv dma mode" by the FreeBSD
* driver.
*/
#define CCB6_LSCB 0x01 /* Late SCB Update. Only on 82557. */
/* Byte 7 */
#define CCB7_DTBD 0x80 /* Dynamic TBD. Reserved on 82557, should be
* be set to 0.
*/
#define CCB7_2FFIFO 0x40 /* (At Most) Two Frames in FIFO. Reserved on
* 82557, should be set to 0.
*/
#define CCB7_RES 0x38 /* Reserved (0) */
#define CCB7_UR 0x06 /* Underrun Retry */
#define CUR_0 0x00 /* No re-transmission */
#define CUR_1 0x02 /* One re-transmission */
#define CUR_2 0x04 /* Two re-transmissions, 1st retry with
* 512 bytes.
*/
#define CUR_3 0x06 /* Tree re-transmissions, 1st retry
* with 512 bytes, 2nd retry with 1024.
*/
#define CCB7_DSRF 0x01 /* Discard Short Receive Frames. */
/* Byte 8 */
#define CCB8_CSMAD 0x80 /* CSMA Disable. Reserved on 82557, should be
* set to zero.
*/
#define CCB8_RES 0x7E /* Reserved (0) */
#define CCB8_503_MII 0x01 /* 503 mode or MII mode. Reserved on 82558
* and 82559, should be set to 1.
*/
/* Byte 9 */
#define CCB9_MMWE 0x80 /* Multicast Match Wake Enable. 82558 B-step
* only, should be set to zero on other
* devices.
*/
#define CCB9_AWE 0x40 /* ARP Wake-up Enable. 82558 B-step only,
* should be set to zero on other devices.
*/
#define CCB9_LSCWE 0x20 /* Link Status Change Wake Enable. Available
* on 82558 B-step and 82559. Should be
* set to zero on 82557 and 82558 A-step
*/
#define CCB9_VARP 0x10 /* VLAN ARP (82558 B-step) or VLAN TCO (82559).
* Should be zero on 82557 and 82558 A-step
*/
#define CCB9_RES 0x0E /* Reserved (0) */
#define CCB9_TUC 0x01 /* TCP/UDP Checksum. 82559 only, should be
* zero on other devices.
*/
/* Byte 10 */
#define CCB10_LOOPBACK 0xC0 /* Loopback mode */
#define CLB_NORMAL 0x00 /* Normal operation */
#define CLB_INTERNAL 0x40 /* Internal loopback */
#define CLB_RESERVED 0x80 /* Reserved */
#define CLB_EXTERNAL 0xC0 /* External loopback */
#define CCB10_PAL 0x30 /* Pre-amble length */
#define CPAL_1 0x00 /* 1 byte */
#define CPAL_3 0x10 /* 3 bytes */
#define CPAL_7 0x20 /* 7 bytes */
#define CPAL_15 0x30 /* 15 bytes */
#define CPAL_DEFAULT CPAL_7
#define CCB10_NSAI 0x08 /* No Source Address Insertion */
#define CCB10_RES1 0x06 /* Reserved, should be set to 1 */
#define CCB10_RES0 0x01 /* Reserved (0) */
/* Byte 11 */
#define CCB11_RES 0xF8 /* Reserved (0) */
#define CCB11_LINPRIO 0x07 /* Linear Priority. 82557 only,
* should be zero on other devices.
*/
/* Byte 12 */
#define CCB12_IS 0xF0 /* Interframe spacing in multiples of
* 16 bit times.
*/
#define CIS_DEFAULT 0x60 /* 96 (6 in register) */
#define CCB12_RES 0x0E /* Reserved (0) */
#define CCB12_LPM 0x01 /* Linear Priority Mode. 82557 only,
* should be zero on other devices.
*/
/* Byte 13, 4th byte of IP address for ARP frame filtering. Only valid on
* 82558 B-step. Should be 0 on other devices.
*/
#define CCB13_DEFAULT 0x00
/* Byte 14, 3rd byte of IP address for ARP fram efiltering. Only valid on
* 82558 B-step. Should be 0xF2 on other devices.
*/
#define CCB14_DEFAULT 0xF2
/* Byte 15 */
#define CCB15_CRSCDT 0x80 /* CRS or CDT. */
#define CCB15_RES1 0x40 /* Reserved, should be set to one. */
#define CCB15_CRC16 0x20 /* 16-bit CRC. Only on 82559,
* should be zero on other devices
*/
#define CCB15_IUL 0x10 /* Ignore U/L. Reserved on 82557 and
* should be set to zero.
*/
#define CCB15_RES2 0x08 /* Reserved, should be set to one. */
#define CCB15_WAW 0x04 /* Wait After Win. Reserved on 82557,
* should be set to zero.
*/
#define CCB15_BD 0x02 /* Broadcast disable */
#define CCB15_PM 0x01 /* Promiscuous mode */
/* Byte 16. FC Delay Least Significant Byte. Reserved on the 82557 and
* should be set to zero.
*/
#define CCB16_DEFAULT 0x00
/* Byte 17. FC Delay Most Significant Byte. This byte is reserved on the
* 82557 and should be set to 0x40.
*/
#define CCB17_DEFAULT 0x40
/* Byte 18 */
#define CCB18_RES1 0x80 /* Reserved, should be set to 1 */
#define CCB18_PFCT 0x70 /* Priority Flow Control Threshold.
* Reserved on the 82557 and should
* be set to 1. All bits 1 (disabled)
* is the recommended default.
*/
#define CCB18_LROK 0x08 /* Long Receive OK. Reserved on the
* 82557 and should be set to zero.
* Required for VLANs.
*/
#define CCB18_RCRCT 0x04 /* Receive CRC Transfer */
#define CCB18_PE 0x02 /* Padding Enable */
#define CCB18_SE 0x01 /* Stripping Enable */
/* Byte 19 */
#define CCB19_FDPE 0x80 /* Full Duplex Pin Enable */
#define CCB19_FFD 0x40 /* Force Full Duplex */
#define CCB19_RFC 0x20 /* Reject FC. Reserved on the 82557
* and should be set to zero.
*/
#define CCB19_FDRSTAFC 0x10 /* Full Duplex Restart Flow Control.
* Reserved on the 82557 and should be
* set to zero.
*/
#define CCB19_FDRSTOFC 0x08 /* Full Duplex Restop Flow Control.
* Reserved on the 82557 and should be
* set to zero.
*/
#define CCB19_FDTFCD 0x04 /* Full Duplex Transmit Flow Control
* Disable. Reserved on the 82557 and
* should be set to zero.
*/
#define CCB19_MPWD 0x02 /* Magic Packet Wake-up Disable.
* Reserved on the 82557 and 82559ER
* and should be set to zero.
*/
#define CCB19_AW 0x01 /* Address Wake-up (82558 A-step) and
* IA Match Wake Enable (82558 B-step)
* Reserved on the 82557 and 82559 and
* should be set to zero.
*/
/* Byte 20 */
#define CCB20_RES 0x80 /* Reserved (0) */
#define CCB20_MIA 0x40 /* Multiple IA */
#define CCB20_PFCL 0x20 /* Priority FC Location. Reserved on
* the 82557 and should be set to 1.
*/
#define CCB20_RES1 0x1F /* Reserved, should be set to 1 */
/* Byte 21 */
#define CCB21_RES 0xF0 /* Reserved (0) */
#define CCB21_MA 0x08 /* Multicast All */
#define CCB21_RES1_MASK 0x07 /* Reserved, should be set to 5 */
#define CCB21_RES21 0x05
/* Transmit (4) */
struct tx
{
u16_t tx_status;
u16_t tx_command;
u32_t tx_linkaddr;
u32_t tx_tbda;
u16_t tx_size;
u8_t tx_tthresh;
u8_t tx_ntbd;
u8_t tx_buf[ETH_MAX_PACK_SIZE_TAGGED];
};
#define TXS_C 0x8000 /* Transmit DMA has completed */
#define TXS_RES 0x4000 /* Reserved */
#define TXS_OK 0x2000 /* Command was executed without error */
#define TXS_U 0x1000 /* This or previous frame encoutered underrun */
#define TXS_RES1 0x0FFF /* Reserved (0) */
#define TXC_EL 0x8000 /* End of List */
#define TXC_S 0x4000 /* Suspend after this CB */
#define TXC_I 0x2000 /* Interrupt after this CB */
#define TXC_CID_MASK 0x1F00 /* CNA Interrupt Delay */
#define TXC_RES 0x00E0 /* Reserved (0) */
#define TXC_NC 0x0010 /* No CRC and Source Address Insertion */
#define TXC_SF 0x0008 /* Not in Simplified Mode */
#define TXC_CMD 0x0007 /* Command */
#define TXSZ_EOF 0x8000 /* End of Frame */
#define TXSZ_RES 0x4000 /* Reserved (0) */
#define TXSZ_COUNT 0x3FFF /* Transmit Byte Count */
#define TX_TBDA_NIL 0xFFFFFFFF /* Null Pointer for TBD Array */
#define TXTT_MIN 0x01 /* Minimum for Transmit Threshold */
#define TXTT_MAX 0xE0 /* Maximum for Transmit Threshold */
/* Statistical Counters */
struct sc
{
u32_t sc_tx_good; /* Transmit Good Frames */
u32_t sc_tx_maxcol; /* Transmit Maximum Collisions errors */
u32_t sc_tx_latecol; /* Transmit Late Collisions errors */
u32_t sc_tx_underrun; /* Transmit Underrun errors */
u32_t sc_tx_crs; /* Transmit Lost Carrier Sense */
u32_t sc_tx_defered; /* Transmit Defered */
u32_t sc_tx_scol; /* Transmit Single Collision */
u32_t sc_tx_mcol; /* Transmit Multiple Collisions */
u32_t sc_tx_totcol; /* Transmit Total Collisions */
u32_t sc_rx_good; /* Receive Good Frames */
u32_t sc_rx_crc; /* Receive CRC errors */
u32_t sc_rx_align; /* Receive Alignment errors */
u32_t sc_rx_resource; /* Receive Resource errors */
u32_t sc_rx_overrun; /* Receive Overrun errors */
u32_t sc_rx_cd; /* Receive Collision Detect errors */
u32_t sc_rx_short; /* Receive Short Frame errors */
/* Short form ends here. The magic number will
* be stored in the next field.
*/
u32_t sc_tx_fcp; /* Transmit Flow Control Pause */
u32_t sc_rx_fcp; /* Receive Flow Control Pause */
u32_t sc_rx_fcu; /* Receive Flow Control Unsupported */
/* Longer form (82558 and later) ends here.
* The magic number will be stored in the
* next field.
*/
u32_t sc_tx_tco; /* Transmit TCO frames */
u32_t sc_rx_tco; /* Receive TCO frames */
u32_t sc_magic; /* Dump of counters completed */
};
#define SCM_DSC 0x0000A005 /* Magic for SC_CU_DUMP_SC command */
#define SCM_DRSC 0x0000A007 /* Magic for SC_CU_DUMP_RSET_SC cmd */
/* Receive Frame Descriptor (RFD) */
struct rfd
{
u16_t rfd_status;
u16_t rfd_command;
u32_t rfd_linkaddr;
u32_t rfd_reserved;
u16_t rfd_res;
u16_t rfd_size;
u8_t rfd_buf[ETH_MAX_PACK_SIZE_TAGGED];
};
#define RFDS_C 0x8000 /* Frame Reception Completed */
#define RFDS_RES 0x4000 /* Reserved (0) */
#define RFDS_OK 0x2000 /* Frame received without any errors */
#define RFDS_RES1 0x1000 /* Reserved */
#define RFDS_CRCERR 0x0800 /* CRC error */
#define RFDS_ALIGNERR 0x0400 /* Alignment error */
#define RFDS_OUTOFBUF 0x0200 /* Ran out of buffer space (frame is frager
* than supplied buffer).
*/
#define RFDS_DMAOVR 0x0100 /* DMA overrun failure */
#define RFDS_TOOSHORT 0x0080 /* Frame Too Short */
#define RFDS_RES2 0x0040 /* Reserved */
#define RFDS_TYPED 0x0020 /* Frame Is Typed (Type/Length field is 0 or
* >1500)
*/
#define RFDS_RXERR 0x0010 /* Receive Error */
#define RFDS_RES3 0x0008 /* Reserved */
#define RFDS_NOAM 0x0004 /* No Address Match */
#define RFDS_NOAIAM 0x0002 /* No IA Address Match */
#define RFDS_RXCOL 0x0001 /* Collition Detected During Reception (82557
* and 82558 only)
*/
#define RFDS_TCO 0x0001 /* TCO Packet (82559 and later) */
#define RFDC_EL 0x8000 /* End of List */
#define RFDC_S 0x4000 /* Suspend */
#define RFDC_RES 0x3FE0 /* Reserved (0) */
#define RFDC_H 0x0010 /* Header RFD */
#define RFDC_SF 0x0008 /* (Not) Simplified Mode */
#define RFDC_RES1 0x0007 /* Reserved (0) */
#define RFDR_EOF 0x8000 /* End of Frame (all data is in the buffer) */
#define RFDR_F 0x4000 /* Finished updating the count field */
#define RFDR_COUNT 0x3FFF /* Actual Count */
#define RFDSZ_RES 0xC000 /* Reserved (0) */
#define RFDSZ_SIZE 0x3FFF /* Buffer Size */
/* EEPROM commands */
#define EEPROM_READ_PREFIX 0x6 /* Read command */
#define EEPROM_PREFIX_LEN 3 /* Start bit and two command bits */
/* EEPROM timing parameters */
#define EECS_DELAY 1 /* Keep EECS low for at least EECS_DELAY
* microseconds
*/
#define EESK_PERIOD 4 /* A cycle of driving EESK high followed by
* driving EESK low should take at least
* EESK_PERIOD microseconds
*/
/* Special registers in the 82555 (and compatible) PHYs. Should be moved
* to a separate file if other drivers need this too.
*/
#define MII_SCR 0x10 /* Status and Control Register */
#define MII_SCR_FC 0x8000 /* Flow Control */
#define MII_SCR_T4E 0x4000 /* Enable T4 unless auto-negotiation */
#define MII_SCR_CRSDC 0x2000 /* RX100 CRS Disconnect */
#define MII_SCR_RES 0x1000 /* Reserved */
#define MII_SCR_RCVSYNC 0x0800 /* RCV De-Serializer in sync */
#define MII_SCR_100DOWN 0x0400 /* 100Base-T Power Down */
#define MII_SCR_10DOWN 0x0200 /* 10Base-T Power Down */
#define MII_SCR_POLARITY 0x0100 /* 10Base-T Polarity */
#define MII_SCR_RES_1 0x00F8 /* Reserved */
#define MII_SCR_T4 0x0004 /* 100Base-T4 negotiated */
#define MII_SCR_100 0x0002 /* 100 Mbps negotiated */
#define MII_SCR_FD 0x0001 /* Full Duplex negotiated */
/*
* $PchId: fxp.h,v 1.1 2004/11/23 14:34:03 philip Exp $
*/
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