/* +++=>>> * %n  Edition: %v  Last changed: %f  By: %w */
/* rtl8019.h  Edition: 2  Last changed: 17-Feb-98,15:36:34  By: BILLK */
/* +++=>>> '%l' */
/* Currently extracted for edit by: '***_NOBODY_***' */
/*
    NS8390.H -- National Semiconductor 8390 Hardware Definitions for USNET

    Copyright (C) 1993 By
    United States Software Corporation
    7175 NW Evergreen Parkway
    Hillsboro, OR 97124
    503-844-6614  www.ussw.com

    This software is furnished under a license and may be used
    and copied only in accordance with the terms of such license
    and with the inclusion of the above copyright notice.
    This software or any other copies thereof may not be provided
    or otherwise made available to any other person.  No title to
    and ownership of the software is hereby transferred.

    The information in this software is subject to change without
    notice and should not be construed as a commitment by United
    States Software Corporation.
*/

/* Register descriptions for Ethernet board using the National
   Semiconductor Ethernet controller DP8390. */

#ifndef _USS_RTL8019_H_
#define _USS_RTL8019_H_


#define DATAPORT    0x10    /* Port Window. */
#define RESET        0x1f    /* Issue a read for reset */

/* 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 */

/*page3 */

#define CONFIG0 0x03
#define CONFIG1 0x04
#define CONFIG2 0x05
#define CONFIG3 0x06


/*-----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 */


/* Ethernet address format */
#define Eid_SZ 6

int init8019();

typedef unsigned char   uint8;          /* Unsigned  8 bit quantity */
typedef unsigned long   uint32;         /* Unsigned 32 bit quantity */
typedef unsigned int    uint;           /* Unsigned natural int */

#define AscWait 0x0


#define Nprintf Uart_Printf

#define uss_printf Uart_Printf
#define NTRACE 9

void ussOut8( uint32 port, uint8 val);
uint ussIn8(uint port);

#endif