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148 lines
4.6 KiB
C
148 lines
4.6 KiB
C
/*-
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* Copyright (c) 2000
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* Paul Richards. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer,
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* verbatim and that no modifications are made prior to this
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* point in the file.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name Paul Richards may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY PAUL RICHARDS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL PAUL RICHARDS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifdef PC98
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#include "lnc.h"
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#include <sys/param.h>
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#include <sys/socket.h>
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#include <sys/systm.h>
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#include <machine/clock.h>
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#include <net/ethernet.h>
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#include <net/if.h>
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#include <net/if_dl.h>
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#include <net/if_types.h>
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#include <netinet/in.h>
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#include <netinet/if_ether.h>
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#include <i386/isa/isa_device.h>
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#include <dev/lnc/if_lncvar.h>
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#include <dev/lnc/if_lncreg.h>
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int pcnet_probe __P((lnc_softc_t *sc));
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int cnet98s_probe __P((lnc_softc_t *sc, unsigned iobase));
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/* C-NET(98)S port addresses */
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#define CNET98S_RDP 0x400 /* Register Data Port */
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#define CNET98S_RAP 0x402 /* Register Address Port */
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#define CNET98S_RESET 0x404
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#define CNET98S_IDP 0x406
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#define CNET98S_EEPROM 0x40e
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/*
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* XXX - The I/O address range is fragmented in the C-NET(98)S.
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* This is the number of regs at iobase.
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*/
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#define CNET98S_IOSIZE 16 /* # of i/o addresses used. */
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/* ISA Bus Configuration Registers */
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/* XXX - Should be in ic/Am7990.h */
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#define MSRDA 0x0000 /* ISACSR0: Master Mode Read Activity */
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#define MSWRA 0x0001 /* ISACSR1: Master Mode Write Activity */
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#define MC 0x0002 /* ISACSR2: Miscellaneous Configuration */
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#define LED1 0x0005 /* ISACSR5: LED1 Status */
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#define LED2 0x0006 /* ISACSR6: LED2 Status */
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#define LED3 0x0007 /* ISACSR7: LED3 Status */
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#define LED_PSE 0x0080 /* Pulse Stretcher */
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#define LED_XMTE 0x0010 /* Transmit Status */
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#define LED_RVPOLE 0x0008 /* Receive Polarity */
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#define LED_RCVE 0x0004 /* Receive Status */
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#define LED_JABE 0x0002 /* Jabber */
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#define LED_COLE 0x0001 /* Collision */
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int
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cnet98s_probe(lnc_softc_t *sc, unsigned iobase)
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{
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int i;
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ushort tmp;
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sc->rap = iobase + CNET98S_RAP;
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sc->rdp = iobase + CNET98S_RDP;
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/* Reset */
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tmp = inw(iobase + CNET98S_RESET);
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outw(iobase + CNET98S_RESET, tmp);
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DELAY(500);
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sc->nic.ic = pcnet_probe(sc);
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if ((sc->nic.ic == UNKNOWN) || (sc->nic.ic > PCnet_32)) {
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return (0);
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}
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sc->nic.ident = CNET98S;
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sc->nic.mem_mode = DMA_FIXED;
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/* XXX - For now just use the defines */
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sc->nrdre = NRDRE;
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sc->ntdre = NTDRE;
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/* Extract MAC address from PROM */
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for (i = 0; i < ETHER_ADDR_LEN; i++) {
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sc->arpcom.ac_enaddr[i] = inb(iobase + (i * 2));
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}
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/*
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* ISA Configuration
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*
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* XXX - Following parameters are Contec C-NET(98)S only.
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* So, check the Ethernet address here.
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*
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* Contec uses 00 80 4c ?? ?? ??
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*/
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if (sc->arpcom.ac_enaddr[0] == (u_char)0x00
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&& sc->arpcom.ac_enaddr[1] == (u_char)0x80
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&& sc->arpcom.ac_enaddr[2] == (u_char)0x4c) {
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outw(sc->rap, MSRDA);
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outw(iobase + CNET98S_IDP, 0x0006);
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outw(sc->rap, MSWRA);
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outw(iobase + CNET98S_IDP, 0x0006);
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#ifdef DIAGNOSTIC
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outw(sc->rap, MC);
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printf("ISACSR2 = %x\n", inw(iobase + CNET98S_IDP));
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#endif
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outw(sc->rap, LED1);
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outw(iobase + CNET98S_IDP, LED_PSE | LED_XMTE);
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outw(sc->rap, LED2);
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outw(iobase + CNET98S_IDP, LED_PSE | LED_RCVE);
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outw(sc->rap, LED3);
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outw(iobase + CNET98S_IDP, LED_PSE | LED_COLE);
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}
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return (CNET98S_IOSIZE);
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}
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#endif
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