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/* $OpenBSD: bereg.h,v 1.12 2003/06/02 18:40:59 jason Exp $ */
/*
* Copyright (c) 1998 Theo de Raadt and Jason L. Wright.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* BE Global registers
*/
struct be_bregs {
volatile u_int32_t xif_cfg; /* XIF config */
volatile u_int32_t _unused[63]; /* reserved */
volatile u_int32_t stat; /* status, clear on read */
volatile u_int32_t imask; /* interrupt mask */
volatile u_int32_t _unused2[64]; /* reserved */
volatile u_int32_t tx_swreset; /* tx software reset */
volatile u_int32_t tx_cfg; /* tx config */
volatile u_int32_t ipkt_gap1; /* inter-packet gap 1 */
volatile u_int32_t ipkt_gap2; /* inter-packet gap 2 */
volatile u_int32_t attempt_limit; /* tx attempt limit */
volatile u_int32_t stime; /* tx slot time */
volatile u_int32_t preamble_len; /* size of tx preamble */
volatile u_int32_t preamble_pattern; /* pattern for tx preamble */
volatile u_int32_t tx_sframe_delim; /* tx delimiter */
volatile u_int32_t jsize; /* jam length */
volatile u_int32_t tx_pkt_max; /* tx max pkt size */
volatile u_int32_t tx_pkt_min; /* tx min pkt size */
volatile u_int32_t peak_attempt; /* count of tx peak attempts */
volatile u_int32_t dt_ctr; /* tx defer timer */
volatile u_int32_t nc_ctr; /* tx normal collision cntr */
volatile u_int32_t fc_ctr; /* tx first-collision cntr */
volatile u_int32_t ex_ctr; /* tx excess-collision cntr */
volatile u_int32_t lt_ctr; /* tx late-collision cntr */
volatile u_int32_t rand_seed; /* tx random number seed */
volatile u_int32_t tx_smachine; /* tx state machine */
volatile u_int32_t _unused3[44]; /* reserved */
volatile u_int32_t rx_swreset; /* rx software reset */
volatile u_int32_t rx_cfg; /* rx config register */
volatile u_int32_t rx_pkt_max; /* rx max pkt size */
volatile u_int32_t rx_pkt_min; /* rx min pkt size */
volatile u_int32_t mac_addr2; /* ethernet address 2 (MSB) */
volatile u_int32_t mac_addr1; /* ethernet address 1 */
volatile u_int32_t mac_addr0; /* ethernet address 0 (LSB) */
volatile u_int32_t fr_ctr; /* rx frame receive cntr */
volatile u_int32_t gle_ctr; /* rx giant-len error cntr */
volatile u_int32_t unale_ctr; /* rx unaligned error cntr */
volatile u_int32_t rcrce_ctr; /* rx CRC error cntr */
volatile u_int32_t rx_smachine; /* rx state machine */
volatile u_int32_t rx_cvalid; /* rx code violation */
volatile u_int32_t _unused4; /* reserved */
volatile u_int32_t htable3; /* hash table 3 */
volatile u_int32_t htable2; /* hash table 2 */
volatile u_int32_t htable1; /* hash table 1 */
volatile u_int32_t htable0; /* hash table 0 */
volatile u_int32_t afilter2; /* address filter 2 */
volatile u_int32_t afilter1; /* address filter 1 */
volatile u_int32_t afilter0; /* address filter 0 */
volatile u_int32_t afilter_mask; /* address filter mask */
};
/* be_bregs.xif_cfg: XIF config. */
#define BE_BR_XCFG_ODENABLE 0x00000001 /* output driver enable */
#define BE_BR_XCFG_RESV 0x00000002 /* reserved, write as 1 */
#define BE_BR_XCFG_MLBACK 0x00000004 /* loopback-mode mii enable */
#define BE_BR_XCFG_SMODE 0x00000008 /* enable serial mode */
/* be_bregs.stat: status, clear on read. */
#define BE_BR_STAT_GOTFRAME 0x00000001 /* received a frame */
#define BE_BR_STAT_RCNTEXP 0x00000002 /* rx frame cntr expired */
#define BE_BR_STAT_ACNTEXP 0x00000004 /* align-error cntr expired */
#define BE_BR_STAT_CCNTEXP 0x00000008 /* crc-error cntr expired */
#define BE_BR_STAT_LCNTEXP 0x00000010 /* length-error cntr expired */
#define BE_BR_STAT_RFIFOVF 0x00000020 /* rx fifo overflow */
#define BE_BR_STAT_CVCNTEXP 0x00000040 /* code-violation cntr exprd */
#define BE_BR_STAT_SENTFRAME 0x00000100 /* transmitted a frame */
#define BE_BR_STAT_TFIFO_UND 0x00000200 /* tx fifo underrun */
#define BE_BR_STAT_MAXPKTERR 0x00000400 /* max-packet size error */
#define BE_BR_STAT_NCNTEXP 0x00000800 /* normal-collision cntr exp */
#define BE_BR_STAT_ECNTEXP 0x00001000 /* excess-collision cntr exp */
#define BE_BR_STAT_LCCNTEXP 0x00002000 /* late-collision cntr exp */
#define BE_BR_STAT_FCNTEXP 0x00004000 /* first-collision cntr exp */
#define BE_BR_STAT_DTIMEXP 0x00008000 /* defer-timer expired */
#define BE_BR_STAT_BITS "\20\1RX\2RCNT\3ACNT\4CCNT\5LCNT\6RFIFO\7CVCNT\11TX\12TFIFO\13TMAXPKT\14NCNT\15ECNT\16LCCNT\17ECNT\20DTIME"
/* be_bregs.imask: interrupt mask. */
#define BE_BR_IMASK_GOTFRAME 0x00000001 /* received a frame */
#define BE_BR_IMASK_RCNTEXP 0x00000002 /* rx frame cntr expired */
#define BE_BR_IMASK_ACNTEXP 0x00000004 /* align-error cntr expired */
#define BE_BR_IMASK_CCNTEXP 0x00000008 /* crc-error cntr expired */
#define BE_BR_IMASK_LCNTEXP 0x00000010 /* length-error cntr expired */
#define BE_BR_IMASK_RFIFOVF 0x00000020 /* rx fifo overflow */
#define BE_BR_IMASK_CVCNTEXP 0x00000040 /* code-violation cntr exprd */
#define BE_BR_IMASK_SENTFRAME 0x00000100 /* transmitted a frame */
#define BE_BR_IMASK_TFIFO_UND 0x00000200 /* tx fifo underrun */
#define BE_BR_IMASK_MAXPKTERR 0x00000400 /* max-packet size error */
#define BE_BR_IMASK_NCNTEXP 0x00000800 /* normal-collision cntr exp */
#define BE_BR_IMASK_ECNTEXP 0x00001000 /* excess-collision cntr exp */
#define BE_BR_IMASK_LCCNTEXP 0x00002000 /* late-collision cntr exp */
#define BE_BR_IMASK_FCNTEXP 0x00004000 /* first-collision cntr exp */
#define BE_BR_IMASK_DTIMEXP 0x00008000 /* defer-timer expired */
/* be_bregs.tx_cfg: tx config. */
#define BE_BR_TXCFG_ENABLE 0x00000001 /* enable the transmitter */
#define BE_BR_TXCFG_FIFO 0x00000010 /* default tx fthresh */
#define BE_BR_TXCFG_SMODE 0x00000020 /* enable slow transmit mode */
#define BE_BR_TXCFG_CIGN 0x00000040 /* ignore tx collisions */
#define BE_BR_TXCFG_FCSOFF 0x00000080 /* do not emit fcs */
#define BE_BR_TXCFG_DBACKOFF 0x00000100 /* disable backoff */
#define BE_BR_TXCFG_FULLDPLX 0x00000200 /* enable full-duplex */
/* be_bregs.rx_cfg: rx config. */
#define BE_BR_RXCFG_ENABLE 0x00000001 /* enable the receiver */
#define BE_BR_RXCFG_FIFO 0x0000000e /* default rx fthresh */
#define BE_BR_RXCFG_PSTRIP 0x00000020 /* pad byte strip enable */
#define BE_BR_RXCFG_PMISC 0x00000040 /* enable promiscous mode */
#define BE_BR_RXCFG_DERR 0x00000080 /* disable error checking */
#define BE_BR_RXCFG_DCRCS 0x00000100 /* disable crc stripping */
#define BE_BR_RXCFG_ME 0x00000200 /* receive packets for me */
#define BE_BR_RXCFG_PGRP 0x00000400 /* enable promisc group mode */
#define BE_BR_RXCFG_HENABLE 0x00000800 /* enable hash filter */
#define BE_BR_RXCFG_AENABLE 0x00001000 /* enable address filter */
/*
* BE Channel registers
*/
struct be_cregs {
volatile u_int32_t ctrl; /* control */
volatile u_int32_t stat; /* status */
volatile u_int32_t rxds; /* rx descriptor ring ptr */
volatile u_int32_t txds; /* tx descriptor ring ptr */
volatile u_int32_t rimask; /* rx interrupt mask */
volatile u_int32_t timask; /* tx interrupt mask */
volatile u_int32_t qmask; /* qec error interrupt mask */
volatile u_int32_t bmask; /* be error interrupt mask */
volatile u_int32_t rxwbufptr; /* local memory rx write ptr */
volatile u_int32_t rxrbufptr; /* local memory rx read ptr */
volatile u_int32_t txwbufptr; /* local memory tx write ptr */
volatile u_int32_t txrbufptr; /* local memory tx read ptr */
volatile u_int32_t ccnt; /* collision counter */
};
/* be_cregs.ctrl: control. */
#define BE_CR_CTRL_TWAKEUP 0x00000001 /* tx dma wakeup */
/* be_cregs.stat: status. */
#define BE_CR_STAT_BERROR 0x80000000 /* be error */
#define BE_CR_STAT_TXIRQ 0x00200000 /* tx interrupt */
#define BE_CR_STAT_TXDERR 0x00080000 /* tx descriptor is bad */
#define BE_CR_STAT_TXLERR 0x00040000 /* tx late error */
#define BE_CR_STAT_TXPERR 0x00020000 /* tx parity error */
#define BE_CR_STAT_TXSERR 0x00010000 /* tx sbus error ack */
#define BE_CR_STAT_RXIRQ 0x00000020 /* rx interrupt */
#define BE_CR_STAT_RXDROP 0x00000010 /* rx packet dropped */
#define BE_CR_STAT_RXSMALL 0x00000008 /* rx buffer too small */
#define BE_CR_STAT_RXLERR 0x00000004 /* rx late error */
#define BE_CR_STAT_RXPERR 0x00000002 /* rx parity error */
#define BE_CR_STAT_RXSERR 0x00000001 /* rx sbus error ack */
/*
* All bits except rxirq/txirq
*/
#define BE_CR_STAT_ERRORS \
(BE_CR_STAT_BERROR | \
BE_CR_STAT_TXDERR | BE_CR_STAT_TXLERR | \
BE_CR_STAT_TXPERR | BE_CR_STAT_TXSERR | \
BE_CR_STAT_RXDROP | BE_CR_STAT_RXSMALL | \
BE_CR_STAT_RXLERR | BE_CR_STAT_RXPERR | \
BE_CR_STAT_RXSERR)
#define BE_CR_STAT_BITS \
"\20\1RXS\2RXP\3RXL\4RXSMALL\5RXDROP\6RX\21TXS\22TXP\23TXL\24TXD\26TX\40BE"
/* be_cregs.qmask: qec error interrupt mask. */
#define BE_CR_QMASK_TXDERR 0x00080000 /* tx descriptor is bad */
#define BE_CR_QMASK_TXLERR 0x00040000 /* tx late error */
#define BE_CR_QMASK_TXPERR 0x00020000 /* tx parity error */
#define BE_CR_QMASK_TXSERR 0x00010000 /* tx sbus error ack */
#define BE_CR_QMASK_RXDROP 0x00000010 /* rx packet dropped */
#define BE_CR_QMASK_RXSMALL 0x00000008 /* rx buffer too small */
#define BE_CR_QMASK_RXLERR 0x00000004 /* rx late error */
#define BE_CR_QMASK_RXPERR 0x00000002 /* rx parity error */
#define BE_CR_QMASK_RXSERR 0x00000001 /* rx sbus error ack */
/*
* BE Transceiver registers
*/
struct be_tregs {
volatile u_int32_t tcvr_pal; /* transceiver pal */
volatile u_int32_t mgmt_pal; /* management pal */
};
/* be_tregs.tcvr_pal: transceiver pal */
#define TCVR_PAL_SERIAL 0x00000001 /* serial mode enable */
#define TCVR_PAL_EXTLBACK 0x00000002 /* external loopback */
#define TCVR_PAL_MSENSE 0x00000004 /* media sense */
#define TCVR_PAL_LTENABLE 0x00000008 /* link test enable */
#define TCVR_PAL_LTSTATUS 0x00000010 /* link test status: p1 only */
/* be_tregs.mgmt_pal: management pal */
#define MGMT_PAL_DCLOCK 0x00000001 /* data clock strobe */
#define MGMT_PAL_OENAB 0x00000002 /* output enable */
#define MGMT_PAL_MDIO 0x00000004 /* MDIO data/attached */
#define MGMT_PAL_EXT_MDIO MGMT_PAL_MDIO /* external mdio */
#define MGMT_PAL_TIMEO 0x00000008 /* tx enable timeout error */
#define MGMT_PAL_INT_MDIO MGMT_PAL_TIMEO /* internal mdio */
/*
* BE receive descriptor
*/
struct be_rxd {
volatile u_int32_t rx_flags; /* rx descriptor flags */
volatile u_int32_t rx_addr; /* rx buffer address */
};
#define BE_RXD_OWN 0x80000000 /* ownership: 1=hw, 0=sw */
#define BE_RXD_UPDATE 0x10000000 /* being updated? */
#define BE_RXD_LENGTH 0x00001fff /* packet length */
/*
* BE transmit descriptor
*/
struct be_txd {
volatile u_int32_t tx_flags; /* tx descriptor flags */
volatile u_int32_t tx_addr; /* tx buffer address */
};
#define BE_TXD_OWN 0x80000000 /* ownership: 1=hw, 0=sw */
#define BE_TXD_SOP 0x40000000 /* start of packet marker */
#define BE_TXD_EOP 0x20000000 /* end of packet marker */
#define BE_TXD_UPDATE 0x10000000 /* being updated? */
#define BE_TXD_LENGTH 0x00001fff /* packet length */
/* Buffer and Ring sizes: fixed ring size */
#define BE_TX_RING_MAXSIZE 256 /* maximum tx ring size */
#define BE_RX_RING_MAXSIZE 256 /* maximum rx ring size */
#define BE_TX_RING_SIZE 32 /* power of 2, <= MAXSIZE */
#define BE_RX_RING_SIZE 32 /* power of 2, <= MAXSIZE */
#define BE_PKT_BUF_SZ 2048
#define BE_TX_HIGH_WATER 27 /* enable tx interrupt */
#define BE_TX_LOW_WATER 5 /* disable tx interrupt */
#define BE_TX_RING_MAXMASK (BE_TX_RING_MAXSIZE-1)
#define BE_RX_RING_MAXMASK (BE_RX_RING_MAXSIZE-1)
#define BE_TX_RING_MASK (BE_TX_RING_SIZE-1)
#define BE_RX_RING_MASK (BE_RX_RING_SIZE-1)
/*
* BE descriptor rings
*/
struct be_desc {
struct be_rxd be_rxd[BE_RX_RING_MAXSIZE];
struct be_txd be_txd[BE_TX_RING_MAXSIZE];
};
/*
* BE packet buffers
*/
struct be_bufs {
char rx_buf[BE_RX_RING_SIZE][BE_PKT_BUF_SZ];
char tx_buf[BE_TX_RING_SIZE][BE_PKT_BUF_SZ];
};
#define MC_POLY_BE 0x04c11db7UL /* mcast crc, big endian */
#define MC_POLY_LE 0xedb88320UL /* mcast crc, little endian */
/* PHY addresses */
#define BE_PHY_EXTERNAL 0
#define BE_PHY_INTERNAL 1
/* Transceiver types */
#define BE_TCVR_NONE 0
#define BE_TCVR_INTERNAL 1
#define BE_TCVR_EXTERNAL 2
#define BE_TCVR_READ_INVALID 0xff000000
#define BE_NEGOTIATE_MAXTICKS 16
#define PHY_BMCR 0x00 /* Basic Mode Control Register */
#define PHY_BMSR 0x01 /* Basic Mode Status Register */
/*
* Basic Mode Control Register (BMCR)
*/
#define PHY_BMCR_RESET 0x8000 /* Software reset */
#define PHY_BMCR_LOOPBACK 0x4000 /* Lookback enable */
#define PHY_BMCR_SPEED 0x2000 /* 1=100Mb, 0=10Mb */
#define PHY_BMCR_ANE 0x1000 /* Auto-Negiation enable */
#define PHY_BMCR_PDOWN 0x0800 /* power down the chip */
#define PHY_BMCR_ISOLATE 0x0400 /* Isolate the chip */
#define PHY_BMCR_RAN 0x0200 /* Restart autonegotiation */
#define PHY_BMCR_DUPLEX 0x0100 /* 1=full, 0=half */
#define PHY_BMCR_COLLISONTEST 0x0080 /* Create collisions on TX */
/*
* Basic Mode Status Register (BMSR)
*/
#define PHY_BMSR_100BASET4 0x8000 /* 100BaseT4 capable? */
#define PHY_BMSR_100BASETX_FULL 0x4000 /* 100BaseTX full duplex cap? */
#define PHY_BMSR_100BASETX_HALF 0x2000 /* 100BaseTX half duplex cap? */
#define PHY_BMSR_10BASET_FULL 0x1000 /* 10BaseT full duplex cap? */
#define PHY_BMSR_10BASET_HALF 0x0800 /* 10BaseT half duplex cap? */
#define PHY_BMSR_ANCOMPLETE 0x0020 /* auto-negotiation complete? */
#define PHY_BMSR_REMOTEFAULT 0x0010 /* Fault condition seen? */
#define PHY_BMSR_ANC 0x0008 /* Can auto-negotiate? */
#define PHY_BMSR_LINKSTATUS 0x0004 /* Link established? */
#define PHY_BMSR_JABBER 0x0002 /* Jabber detected? */
#define PHY_BMSR_EXTENDED 0x0001 /* Extended registers? */
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