wd80x3.h

Go to the documentation of this file.

/*
 *  Information about the DP8390 Ethernet controller.
 */

#ifndef __BSP_WD80x3_h
#define __BSP_WD80x3_h

/* Register descriptions */
/* Controller DP8390.    */

#define DATAPORT    0x10    /* Port Window. */
#define RESET       0x1f    /* Issue a read for reset */
#define W83CREG     0x00    /* I/O port definition */
#define ADDROM      0x08

/* page 0 read or read/write registers */

#define CMDR        0x00+RO
#define CLDA0       0x01+RO /* current local dma addr 0 for read */
#define CLDA1       0x02+RO /* current local dma addr 1 for read */
#define BNRY        0x03+RO /* boundary reg for rd and wr */
#define TSR         0x04+RO /* tx status reg for rd */
#define NCR         0x05+RO /* number of collision reg for rd */
#define FIFO        0x06+RO /* FIFO for rd */
#define ISR         0x07+RO /* interrupt status reg for rd and wr */
#define CRDA0       0x08+RO /* current remote dma address 0 for rd */
#define CRDA1       0x09+RO /* current remote dma address 1 for rd */
#define RSR         0x0C+RO /* rx status reg for rd */
#define CNTR0       0x0D+RO /* tally cnt 0 for frm alg err for rd */
#define CNTR1       RO+0x0E /* tally cnt 1 for crc err for rd */
#define CNTR2       0x0F+RO /* tally cnt 2 for missed pkt for rd */

/* page 0 write registers */

#define PSTART      0x01+RO /* page start register */
#define PSTOP       0x02+RO /* page stop register */
#define TPSR        0x04+RO /* tx start page start reg */
#define TBCR0       0x05+RO /* tx byte count 0 reg */
#define TBCR1       0x06+RO /* tx byte count 1 reg */
#define RSAR0       0x08+RO /* remote start address reg 0  */
#define RSAR1       0x09+RO /* remote start address reg 1 */
#define RBCR0       0x0A+RO /* remote byte count reg 0 */
#define RBCR1       0x0B+RO /* remote byte count reg 1 */
#define RCR         0x0C+RO /* rx configuration reg */
#define TCR         0x0D+RO /* tx configuration reg */
#define DCR         RO+0x0E /* data configuration reg */
#define IMR         0x0F+RO /* interrupt mask reg */

/* page 1 registers */

#define PAR         0x01+RO /* physical addr reg base for rd and wr */
#define CURR        0x07+RO /* current page reg for rd and wr */
#define MAR         0x08+RO /* multicast addr reg base fro rd and WR */
#define MARsize 8       /* size of multicast addr space */

/*-----W83CREG command bits-----*/
#define MSK_RESET  0x80     /* W83CREG masks */
#define MSK_ENASH  0x40
#define MSK_DECOD  0x3F     /* memory decode bits, corresponding */
                /* to SA 18-13. SA 19 assumed to be 1 */

/*-----CMDR command bits-----*/
#define MSK_STP     0x01    /* stop the chip */
#define MSK_STA     0x02    /* start the chip */
#define MSK_TXP         0x04    /* initial txing of a frm */
#define MSK_RRE     0x08    /* remote read */
#define MSK_RWR     0x10    /* remote write */
#define MSK_RD2     0x20    /* no DMA used */
#define MSK_PG0         0x00    /* select register page 0 */
#define MSK_PG1         0x40    /* select register page 1 */
#define MSK_PG2         0x80    /* select register page 2 */

/*-----ISR and TSR status bits-----*/
#define MSK_PRX     0x01    /* rx with no error */
#define MSK_PTX     0x02    /* tx with no error */
#define MSK_RXE     0x04    /* rx with error */
#define MSK_TXE     0x08    /* tx with error */
#define MSK_OVW     0x10    /* overwrite warning */
#define MSK_CNT     0x20    /* MSB of one of the tally counters is set */
#define MSK_RDC     0x40    /* remote dma completed */
#define MSK_RST     0x80    /* reset state indicator */

/*-----DCR command bits-----*/
#define MSK_WTS     0x01    /* word transfer mode selection */
#define MSK_BOS     0x02    /* byte order selection */
#define MSK_LAS     0x04    /* long addr selection */
#define MSK_BMS     0x08    /* burst mode selection */
#define MSK_ARM     0x10    /* autoinitialize remote */
#define MSK_FT00    0x00    /* burst lrngth selection */
#define MSK_FT01    0x20    /* burst lrngth selection */
#define MSK_FT10    0x40    /* burst lrngth selection */
#define MSK_FT11    0x60    /* burst lrngth selection */

/*-----RCR command bits-----*/
#define MSK_SEP     0x01    /* save error pkts */
#define MSK_AR      0x02    /* accept runt pkt */
#define MSK_AB      0x04    /* 8390 RCR */
#define MSK_AM      0x08    /* accept multicast  */
#define MSK_PRO     0x10    /* accept all pkt with physical adr */
#define MSK_MON     0x20    /* monitor mode */

/*-----TCR command bits-----*/
#define MSK_CRC     0x01    /* inhibit CRC, do not append crc */
#define MSK_LOOP    0x02    /* set loopback mode */
#define MSK_BCST    0x04    /* Accept broadcasts */
#define MSK_LB01    0x06    /* encoded loopback control */
#define MSK_ATD     0x08    /* auto tx disable */
#define MSK_OFST    0x10    /* collision offset enable  */

/*-----receive status bits-----*/
#define SMK_PRX   0x01      /* rx without error */
#define SMK_CRC   0x02      /* CRC error */
#define SMK_FAE   0x04      /* frame alignment error */
#define SMK_FO    0x08      /* FIFO overrun */
#define SMK_MPA   0x10      /* missed pkt */
#define SMK_PHY   0x20      /* physical/multicase address */
#define SMK_DIS   0x40      /* receiver disable. set in monitor mode */
#define SMK_DEF   0x80      /* deferring */

/*-----transmit status bits-----*/
#define SMK_PTX   0x01      /* tx without error */
#define SMK_DFR   0x02      /* non deferred tx */
#define SMK_COL   0x04      /* tx collided */
#define SMK_ABT   0x08      /* tx abort because of excessive collisions */
#define SMK_CRS   0x10      /* carrier sense lost */
#define SMK_FU    0x20      /* FIFO underrun */
#define SMK_CDH   0x40      /* collision detect heartbeat */
#define SMK_OWC   0x80      /* out of window collision */

#endif
/* end of include */